HandsomeGroup/作业/20200404142周佳妮/day2 20200404142周佳妮/Jupyter_test - Jupyter Notebook_files/main.min.js

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// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.


var Jupyter = Jupyter || {};

var jprop = function(name, module_path){
    Object.defineProperty(Jupyter, name, {
      get: function() { 
          console.warn('accessing `'+name+'` is deprecated. Use `requirejs("'+module_path+'")`');
          return requirejs(module_path); 
      },
      enumerable: true,
      configurable: false
    });
}

var jglobal = function(name, module_path){
    Object.defineProperty(Jupyter, name, {
      get: function() { 
          console.warn('accessing `'+name+'` is deprecated. Use `requirejs("'+module_path+'").'+name+'`');
          return requirejs(module_path)[name]; 
      },
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    });
}

define('base/js/namespace',[],function(){
    "use strict";

    // expose modules
    
    jprop('utils','base/js/utils')
    jprop('mathjaxutils','base/js/mathjaxutils');

    //Jupyter.load_extensions = Jupyter.utils.load_extensions;
    // 
    jprop('security','base/js/security');
    jprop('keyboard','base/js/keyboard');
    jprop('dialog','base/js/dialog');


    //// exposed constructors
    jglobal('CommManager','services/kernels/comm')
    jglobal('Comm','services/kernels/comm')

    jglobal('NotificationWidget','base/js/notificationwidget');
    jglobal('Kernel','services/kernels/kernel');
    jglobal('Session','services/sessions/session');
    jglobal('LoginWidget','auth/js/loginwidget');
    jglobal('Page','base/js/page');

    // notebook
    jglobal('TextCell','notebook/js/textcell');
    jglobal('OutputArea','notebook/js/outputarea');
    jglobal('KeyboardManager','notebook/js/keyboardmanager');
    jglobal('Completer','notebook/js/completer');
    jglobal('Notebook','notebook/js/notebook');
    jglobal('Tooltip','notebook/js/tooltip');
    jglobal('Toolbar','notebook/js/toolbar');
    jglobal('SaveWidget','notebook/js/savewidget');
    jglobal('Pager','notebook/js/pager');
    jglobal('QuickHelp','notebook/js/quickhelp');
    jglobal('MarkdownCell','notebook/js/textcell');
    jglobal('RawCell','notebook/js/textcell');
    jglobal('Cell','notebook/js/cell');
    jglobal('MainToolBar','notebook/js/maintoolbar');
    jglobal('NotebookNotificationArea','notebook/js/notificationarea');
    jglobal('NotebookTour', 'notebook/js/tour');
    jglobal('MenuBar', 'notebook/js/menubar');

    // tree
    jglobal('SessionList','tree/js/sessionlist');

    Jupyter.version = "1.0.0";
    Jupyter._target = '_blank';

    return Jupyter;
});

// deprecated since 4.0, remove in 5+
var IPython = Jupyter;

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// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: https://codemirror.net/LICENSE

// This is CodeMirror (https://codemirror.net), a code editor
// implemented in JavaScript on top of the browser's DOM.
//
// You can find some technical background for some of the code below
// at http://marijnhaverbeke.nl/blog/#cm-internals .

(function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
  typeof define === 'function' && define.amd ? define('codemirror/lib/codemirror',factory) :
  (global = global || self, global.CodeMirror = factory());
}(this, (function () { 'use strict';

  // Kludges for bugs and behavior differences that can't be feature
  // detected are enabled based on userAgent etc sniffing.
  var userAgent = navigator.userAgent;
  var platform = navigator.platform;

  var gecko = /gecko\/\d/i.test(userAgent);
  var ie_upto10 = /MSIE \d/.test(userAgent);
  var ie_11up = /Trident\/(?:[7-9]|\d{2,})\..*rv:(\d+)/.exec(userAgent);
  var edge = /Edge\/(\d+)/.exec(userAgent);
  var ie = ie_upto10 || ie_11up || edge;
  var ie_version = ie && (ie_upto10 ? document.documentMode || 6 : +(edge || ie_11up)[1]);
  var webkit = !edge && /WebKit\//.test(userAgent);
  var qtwebkit = webkit && /Qt\/\d+\.\d+/.test(userAgent);
  var chrome = !edge && /Chrome\//.test(userAgent);
  var presto = /Opera\//.test(userAgent);
  var safari = /Apple Computer/.test(navigator.vendor);
  var mac_geMountainLion = /Mac OS X 1\d\D([8-9]|\d\d)\D/.test(userAgent);
  var phantom = /PhantomJS/.test(userAgent);

  var ios = !edge && /AppleWebKit/.test(userAgent) && /Mobile\/\w+/.test(userAgent);
  var android = /Android/.test(userAgent);
  // This is woefully incomplete. Suggestions for alternative methods welcome.
  var mobile = ios || android || /webOS|BlackBerry|Opera Mini|Opera Mobi|IEMobile/i.test(userAgent);
  var mac = ios || /Mac/.test(platform);
  var chromeOS = /\bCrOS\b/.test(userAgent);
  var windows = /win/i.test(platform);

  var presto_version = presto && userAgent.match(/Version\/(\d*\.\d*)/);
  if (presto_version) { presto_version = Number(presto_version[1]); }
  if (presto_version && presto_version >= 15) { presto = false; webkit = true; }
  // Some browsers use the wrong event properties to signal cmd/ctrl on OS X
  var flipCtrlCmd = mac && (qtwebkit || presto && (presto_version == null || presto_version < 12.11));
  var captureRightClick = gecko || (ie && ie_version >= 9);

  function classTest(cls) { return new RegExp("(^|\\s)" + cls + "(?:$|\\s)\\s*") }

  var rmClass = function(node, cls) {
    var current = node.className;
    var match = classTest(cls).exec(current);
    if (match) {
      var after = current.slice(match.index + match[0].length);
      node.className = current.slice(0, match.index) + (after ? match[1] + after : "");
    }
  };

  function removeChildren(e) {
    for (var count = e.childNodes.length; count > 0; --count)
      { e.removeChild(e.firstChild); }
    return e
  }

  function removeChildrenAndAdd(parent, e) {
    return removeChildren(parent).appendChild(e)
  }

  function elt(tag, content, className, style) {
    var e = document.createElement(tag);
    if (className) { e.className = className; }
    if (style) { e.style.cssText = style; }
    if (typeof content == "string") { e.appendChild(document.createTextNode(content)); }
    else if (content) { for (var i = 0; i < content.length; ++i) { e.appendChild(content[i]); } }
    return e
  }
  // wrapper for elt, which removes the elt from the accessibility tree
  function eltP(tag, content, className, style) {
    var e = elt(tag, content, className, style);
    e.setAttribute("role", "presentation");
    return e
  }

  var range;
  if (document.createRange) { range = function(node, start, end, endNode) {
    var r = document.createRange();
    r.setEnd(endNode || node, end);
    r.setStart(node, start);
    return r
  }; }
  else { range = function(node, start, end) {
    var r = document.body.createTextRange();
    try { r.moveToElementText(node.parentNode); }
    catch(e) { return r }
    r.collapse(true);
    r.moveEnd("character", end);
    r.moveStart("character", start);
    return r
  }; }

  function contains(parent, child) {
    if (child.nodeType == 3) // Android browser always returns false when child is a textnode
      { child = child.parentNode; }
    if (parent.contains)
      { return parent.contains(child) }
    do {
      if (child.nodeType == 11) { child = child.host; }
      if (child == parent) { return true }
    } while (child = child.parentNode)
  }

  function activeElt() {
    // IE and Edge may throw an "Unspecified Error" when accessing document.activeElement.
    // IE < 10 will throw when accessed while the page is loading or in an iframe.
    // IE > 9 and Edge will throw when accessed in an iframe if document.body is unavailable.
    var activeElement;
    try {
      activeElement = document.activeElement;
    } catch(e) {
      activeElement = document.body || null;
    }
    while (activeElement && activeElement.shadowRoot && activeElement.shadowRoot.activeElement)
      { activeElement = activeElement.shadowRoot.activeElement; }
    return activeElement
  }

  function addClass(node, cls) {
    var current = node.className;
    if (!classTest(cls).test(current)) { node.className += (current ? " " : "") + cls; }
  }
  function joinClasses(a, b) {
    var as = a.split(" ");
    for (var i = 0; i < as.length; i++)
      { if (as[i] && !classTest(as[i]).test(b)) { b += " " + as[i]; } }
    return b
  }

  var selectInput = function(node) { node.select(); };
  if (ios) // Mobile Safari apparently has a bug where select() is broken.
    { selectInput = function(node) { node.selectionStart = 0; node.selectionEnd = node.value.length; }; }
  else if (ie) // Suppress mysterious IE10 errors
    { selectInput = function(node) { try { node.select(); } catch(_e) {} }; }

  function bind(f) {
    var args = Array.prototype.slice.call(arguments, 1);
    return function(){return f.apply(null, args)}
  }

  function copyObj(obj, target, overwrite) {
    if (!target) { target = {}; }
    for (var prop in obj)
      { if (obj.hasOwnProperty(prop) && (overwrite !== false || !target.hasOwnProperty(prop)))
        { target[prop] = obj[prop]; } }
    return target
  }

  // Counts the column offset in a string, taking tabs into account.
  // Used mostly to find indentation.
  function countColumn(string, end, tabSize, startIndex, startValue) {
    if (end == null) {
      end = string.search(/[^\s\u00a0]/);
      if (end == -1) { end = string.length; }
    }
    for (var i = startIndex || 0, n = startValue || 0;;) {
      var nextTab = string.indexOf("\t", i);
      if (nextTab < 0 || nextTab >= end)
        { return n + (end - i) }
      n += nextTab - i;
      n += tabSize - (n % tabSize);
      i = nextTab + 1;
    }
  }

  var Delayed = function() {
    this.id = null;
    this.f = null;
    this.time = 0;
    this.handler = bind(this.onTimeout, this);
  };
  Delayed.prototype.onTimeout = function (self) {
    self.id = 0;
    if (self.time <= +new Date) {
      self.f();
    } else {
      setTimeout(self.handler, self.time - +new Date);
    }
  };
  Delayed.prototype.set = function (ms, f) {
    this.f = f;
    var time = +new Date + ms;
    if (!this.id || time < this.time) {
      clearTimeout(this.id);
      this.id = setTimeout(this.handler, ms);
      this.time = time;
    }
  };

  function indexOf(array, elt) {
    for (var i = 0; i < array.length; ++i)
      { if (array[i] == elt) { return i } }
    return -1
  }

  // Number of pixels added to scroller and sizer to hide scrollbar
  var scrollerGap = 50;

  // Returned or thrown by various protocols to signal 'I'm not
  // handling this'.
  var Pass = {toString: function(){return "CodeMirror.Pass"}};

  // Reused option objects for setSelection & friends
  var sel_dontScroll = {scroll: false}, sel_mouse = {origin: "*mouse"}, sel_move = {origin: "+move"};

  // The inverse of countColumn -- find the offset that corresponds to
  // a particular column.
  function findColumn(string, goal, tabSize) {
    for (var pos = 0, col = 0;;) {
      var nextTab = string.indexOf("\t", pos);
      if (nextTab == -1) { nextTab = string.length; }
      var skipped = nextTab - pos;
      if (nextTab == string.length || col + skipped >= goal)
        { return pos + Math.min(skipped, goal - col) }
      col += nextTab - pos;
      col += tabSize - (col % tabSize);
      pos = nextTab + 1;
      if (col >= goal) { return pos }
    }
  }

  var spaceStrs = [""];
  function spaceStr(n) {
    while (spaceStrs.length <= n)
      { spaceStrs.push(lst(spaceStrs) + " "); }
    return spaceStrs[n]
  }

  function lst(arr) { return arr[arr.length-1] }

  function map(array, f) {
    var out = [];
    for (var i = 0; i < array.length; i++) { out[i] = f(array[i], i); }
    return out
  }

  function insertSorted(array, value, score) {
    var pos = 0, priority = score(value);
    while (pos < array.length && score(array[pos]) <= priority) { pos++; }
    array.splice(pos, 0, value);
  }

  function nothing() {}

  function createObj(base, props) {
    var inst;
    if (Object.create) {
      inst = Object.create(base);
    } else {
      nothing.prototype = base;
      inst = new nothing();
    }
    if (props) { copyObj(props, inst); }
    return inst
  }

  var nonASCIISingleCaseWordChar = /[\u00df\u0587\u0590-\u05f4\u0600-\u06ff\u3040-\u309f\u30a0-\u30ff\u3400-\u4db5\u4e00-\u9fcc\uac00-\ud7af]/;
  function isWordCharBasic(ch) {
    return /\w/.test(ch) || ch > "\x80" &&
      (ch.toUpperCase() != ch.toLowerCase() || nonASCIISingleCaseWordChar.test(ch))
  }
  function isWordChar(ch, helper) {
    if (!helper) { return isWordCharBasic(ch) }
    if (helper.source.indexOf("\\w") > -1 && isWordCharBasic(ch)) { return true }
    return helper.test(ch)
  }

  function isEmpty(obj) {
    for (var n in obj) { if (obj.hasOwnProperty(n) && obj[n]) { return false } }
    return true
  }

  // Extending unicode characters. A series of a non-extending char +
  // any number of extending chars is treated as a single unit as far
  // as editing and measuring is concerned. This is not fully correct,
  // since some scripts/fonts/browsers also treat other configurations
  // of code points as a group.
  var extendingChars = /[\u0300-\u036f\u0483-\u0489\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u065e\u0670\u06d6-\u06dc\u06de-\u06e4\u06e7\u06e8\u06ea-\u06ed\u0711\u0730-\u074a\u07a6-\u07b0\u07eb-\u07f3\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0900-\u0902\u093c\u0941-\u0948\u094d\u0951-\u0955\u0962\u0963\u0981\u09bc\u09be\u09c1-\u09c4\u09cd\u09d7\u09e2\u09e3\u0a01\u0a02\u0a3c\u0a41\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a70\u0a71\u0a75\u0a81\u0a82\u0abc\u0ac1-\u0ac5\u0ac7\u0ac8\u0acd\u0ae2\u0ae3\u0b01\u0b3c\u0b3e\u0b3f\u0b41-\u0b44\u0b4d\u0b56\u0b57\u0b62\u0b63\u0b82\u0bbe\u0bc0\u0bcd\u0bd7\u0c3e-\u0c40\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0cbc\u0cbf\u0cc2\u0cc6\u0ccc\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0d3e\u0d41-\u0d44\u0d4d\u0d57\u0d62\u0d63\u0dca\u0dcf\u0dd2-\u0dd4\u0dd6\u0ddf\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0eb1\u0eb4-\u0eb9\u0ebb\u0ebc\u0ec8-\u0ecd\u0f18\u0f19\u0f35\u0f37\u0f39\u0f71-\u0f7e\u0f80-\u0f84\u0f86\u0f87\u0f90-\u0f97\u0f99-\u0fbc\u0fc6\u102d-\u1030\u1032-\u1037\u1039\u103a\u103d\u103e\u1058\u1059\u105e-\u1060\u1071-\u1074\u1082\u1085\u1086\u108d\u109d\u135f\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17b7-\u17bd\u17c6\u17c9-\u17d3\u17dd\u180b-\u180d\u18a9\u1920-\u1922\u1927\u1928\u1932\u1939-\u193b\u1a17\u1a18\u1a56\u1a58-\u1a5e\u1a60\u1a62\u1a65-\u1a6c\u1a73-\u1a7c\u1a7f\u1b00-\u1b03\u1b34\u1b36-\u1b3a\u1b3c\u1b42\u1b6b-\u1b73\u1b80\u1b81\u1ba2-\u1ba5\u1ba8\u1ba9\u1c2c-\u1c33\u1c36\u1c37\u1cd0-\u1cd2\u1cd4-\u1ce0\u1ce2-\u1ce8\u1ced\u1dc0-\u1de6\u1dfd-\u1dff\u200c\u200d\u20d0-\u20f0\u2cef-\u2cf1\u2de0-\u2dff\u302a-\u302f\u3099\u309a\ua66f-\ua672\ua67c\ua67d\ua6f0\ua6f1\ua802\ua806\ua80b\ua825\ua826\ua8c4\ua8e0-\ua8f1\ua926-\ua92d\ua947-\ua951\ua980-\ua982\ua9b3\ua9b6-\ua9b9\ua9bc\uaa29-\uaa2e\uaa31\uaa32\uaa35\uaa36\uaa43\uaa4c\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uabe5\uabe8\uabed\udc00-\udfff\ufb1e\ufe00-\ufe0f\ufe20-\ufe26\uff9e\uff9f]/;
  function isExtendingChar(ch) { return ch.charCodeAt(0) >= 768 && extendingChars.test(ch) }

  // Returns a number from the range [`0`; `str.length`] unless `pos` is outside that range.
  function skipExtendingChars(str, pos, dir) {
    while ((dir < 0 ? pos > 0 : pos < str.length) && isExtendingChar(str.charAt(pos))) { pos += dir; }
    return pos
  }

  // Returns the value from the range [`from`; `to`] that satisfies
  // `pred` and is closest to `from`. Assumes that at least `to`
  // satisfies `pred`. Supports `from` being greater than `to`.
  function findFirst(pred, from, to) {
    // At any point we are certain `to` satisfies `pred`, don't know
    // whether `from` does.
    var dir = from > to ? -1 : 1;
    for (;;) {
      if (from == to) { return from }
      var midF = (from + to) / 2, mid = dir < 0 ? Math.ceil(midF) : Math.floor(midF);
      if (mid == from) { return pred(mid) ? from : to }
      if (pred(mid)) { to = mid; }
      else { from = mid + dir; }
    }
  }

  // BIDI HELPERS

  function iterateBidiSections(order, from, to, f) {
    if (!order) { return f(from, to, "ltr", 0) }
    var found = false;
    for (var i = 0; i < order.length; ++i) {
      var part = order[i];
      if (part.from < to && part.to > from || from == to && part.to == from) {
        f(Math.max(part.from, from), Math.min(part.to, to), part.level == 1 ? "rtl" : "ltr", i);
        found = true;
      }
    }
    if (!found) { f(from, to, "ltr"); }
  }

  var bidiOther = null;
  function getBidiPartAt(order, ch, sticky) {
    var found;
    bidiOther = null;
    for (var i = 0; i < order.length; ++i) {
      var cur = order[i];
      if (cur.from < ch && cur.to > ch) { return i }
      if (cur.to == ch) {
        if (cur.from != cur.to && sticky == "before") { found = i; }
        else { bidiOther = i; }
      }
      if (cur.from == ch) {
        if (cur.from != cur.to && sticky != "before") { found = i; }
        else { bidiOther = i; }
      }
    }
    return found != null ? found : bidiOther
  }

  // Bidirectional ordering algorithm
  // See http://unicode.org/reports/tr9/tr9-13.html for the algorithm
  // that this (partially) implements.

  // One-char codes used for character types:
  // L (L):   Left-to-Right
  // R (R):   Right-to-Left
  // r (AL):  Right-to-Left Arabic
  // 1 (EN):  European Number
  // + (ES):  European Number Separator
  // % (ET):  European Number Terminator
  // n (AN):  Arabic Number
  // , (CS):  Common Number Separator
  // m (NSM): Non-Spacing Mark
  // b (BN):  Boundary Neutral
  // s (B):   Paragraph Separator
  // t (S):   Segment Separator
  // w (WS):  Whitespace
  // N (ON):  Other Neutrals

  // Returns null if characters are ordered as they appear
  // (left-to-right), or an array of sections ({from, to, level}
  // objects) in the order in which they occur visually.
  var bidiOrdering = (function() {
    // Character types for codepoints 0 to 0xff
    var lowTypes = "bbbbbbbbbtstwsbbbbbbbbbbbbbbssstwNN%%%NNNNNN,N,N1111111111NNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNbbbbbbsbbbbbbbbbbbbbbbbbbbbbbbbbb,N%%%%NNNNLNNNNN%%11NLNNN1LNNNNNLLLLLLLLLLLLLLLLLLLLLLLNLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLN";
    // Character types for codepoints 0x600 to 0x6f9
    var arabicTypes = "nnnnnnNNr%%r,rNNmmmmmmmmmmmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmmmmmmmmnnnnnnnnnn%nnrrrmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmnNmmmmmmrrmmNmmmmrr1111111111";
    function charType(code) {
      if (code <= 0xf7) { return lowTypes.charAt(code) }
      else if (0x590 <= code && code <= 0x5f4) { return "R" }
      else if (0x600 <= code && code <= 0x6f9) { return arabicTypes.charAt(code - 0x600) }
      else if (0x6ee <= code && code <= 0x8ac) { return "r" }
      else if (0x2000 <= code && code <= 0x200b) { return "w" }
      else if (code == 0x200c) { return "b" }
      else { return "L" }
    }

    var bidiRE = /[\u0590-\u05f4\u0600-\u06ff\u0700-\u08ac]/;
    var isNeutral = /[stwN]/, isStrong = /[LRr]/, countsAsLeft = /[Lb1n]/, countsAsNum = /[1n]/;

    function BidiSpan(level, from, to) {
      this.level = level;
      this.from = from; this.to = to;
    }

    return function(str, direction) {
      var outerType = direction == "ltr" ? "L" : "R";

      if (str.length == 0 || direction == "ltr" && !bidiRE.test(str)) { return false }
      var len = str.length, types = [];
      for (var i = 0; i < len; ++i)
        { types.push(charType(str.charCodeAt(i))); }

      // W1. Examine each non-spacing mark (NSM) in the level run, and
      // change the type of the NSM to the type of the previous
      // character. If the NSM is at the start of the level run, it will
      // get the type of sor.
      for (var i$1 = 0, prev = outerType; i$1 < len; ++i$1) {
        var type = types[i$1];
        if (type == "m") { types[i$1] = prev; }
        else { prev = type; }
      }

      // W2. Search backwards from each instance of a European number
      // until the first strong type (R, L, AL, or sor) is found. If an
      // AL is found, change the type of the European number to Arabic
      // number.
      // W3. Change all ALs to R.
      for (var i$2 = 0, cur = outerType; i$2 < len; ++i$2) {
        var type$1 = types[i$2];
        if (type$1 == "1" && cur == "r") { types[i$2] = "n"; }
        else if (isStrong.test(type$1)) { cur = type$1; if (type$1 == "r") { types[i$2] = "R"; } }
      }

      // W4. A single European separator between two European numbers
      // changes to a European number. A single common separator between
      // two numbers of the same type changes to that type.
      for (var i$3 = 1, prev$1 = types[0]; i$3 < len - 1; ++i$3) {
        var type$2 = types[i$3];
        if (type$2 == "+" && prev$1 == "1" && types[i$3+1] == "1") { types[i$3] = "1"; }
        else if (type$2 == "," && prev$1 == types[i$3+1] &&
                 (prev$1 == "1" || prev$1 == "n")) { types[i$3] = prev$1; }
        prev$1 = type$2;
      }

      // W5. A sequence of European terminators adjacent to European
      // numbers changes to all European numbers.
      // W6. Otherwise, separators and terminators change to Other
      // Neutral.
      for (var i$4 = 0; i$4 < len; ++i$4) {
        var type$3 = types[i$4];
        if (type$3 == ",") { types[i$4] = "N"; }
        else if (type$3 == "%") {
          var end = (void 0);
          for (end = i$4 + 1; end < len && types[end] == "%"; ++end) {}
          var replace = (i$4 && types[i$4-1] == "!") || (end < len && types[end] == "1") ? "1" : "N";
          for (var j = i$4; j < end; ++j) { types[j] = replace; }
          i$4 = end - 1;
        }
      }

      // W7. Search backwards from each instance of a European number
      // until the first strong type (R, L, or sor) is found. If an L is
      // found, then change the type of the European number to L.
      for (var i$5 = 0, cur$1 = outerType; i$5 < len; ++i$5) {
        var type$4 = types[i$5];
        if (cur$1 == "L" && type$4 == "1") { types[i$5] = "L"; }
        else if (isStrong.test(type$4)) { cur$1 = type$4; }
      }

      // N1. A sequence of neutrals takes the direction of the
      // surrounding strong text if the text on both sides has the same
      // direction. European and Arabic numbers act as if they were R in
      // terms of their influence on neutrals. Start-of-level-run (sor)
      // and end-of-level-run (eor) are used at level run boundaries.
      // N2. Any remaining neutrals take the embedding direction.
      for (var i$6 = 0; i$6 < len; ++i$6) {
        if (isNeutral.test(types[i$6])) {
          var end$1 = (void 0);
          for (end$1 = i$6 + 1; end$1 < len && isNeutral.test(types[end$1]); ++end$1) {}
          var before = (i$6 ? types[i$6-1] : outerType) == "L";
          var after = (end$1 < len ? types[end$1] : outerType) == "L";
          var replace$1 = before == after ? (before ? "L" : "R") : outerType;
          for (var j$1 = i$6; j$1 < end$1; ++j$1) { types[j$1] = replace$1; }
          i$6 = end$1 - 1;
        }
      }

      // Here we depart from the documented algorithm, in order to avoid
      // building up an actual levels array. Since there are only three
      // levels (0, 1, 2) in an implementation that doesn't take
      // explicit embedding into account, we can build up the order on
      // the fly, without following the level-based algorithm.
      var order = [], m;
      for (var i$7 = 0; i$7 < len;) {
        if (countsAsLeft.test(types[i$7])) {
          var start = i$7;
          for (++i$7; i$7 < len && countsAsLeft.test(types[i$7]); ++i$7) {}
          order.push(new BidiSpan(0, start, i$7));
        } else {
          var pos = i$7, at = order.length, isRTL = direction == "rtl" ? 1 : 0;
          for (++i$7; i$7 < len && types[i$7] != "L"; ++i$7) {}
          for (var j$2 = pos; j$2 < i$7;) {
            if (countsAsNum.test(types[j$2])) {
              if (pos < j$2) { order.splice(at, 0, new BidiSpan(1, pos, j$2)); at += isRTL; }
              var nstart = j$2;
              for (++j$2; j$2 < i$7 && countsAsNum.test(types[j$2]); ++j$2) {}
              order.splice(at, 0, new BidiSpan(2, nstart, j$2));
              at += isRTL;
              pos = j$2;
            } else { ++j$2; }
          }
          if (pos < i$7) { order.splice(at, 0, new BidiSpan(1, pos, i$7)); }
        }
      }
      if (direction == "ltr") {
        if (order[0].level == 1 && (m = str.match(/^\s+/))) {
          order[0].from = m[0].length;
          order.unshift(new BidiSpan(0, 0, m[0].length));
        }
        if (lst(order).level == 1 && (m = str.match(/\s+$/))) {
          lst(order).to -= m[0].length;
          order.push(new BidiSpan(0, len - m[0].length, len));
        }
      }

      return direction == "rtl" ? order.reverse() : order
    }
  })();

  // Get the bidi ordering for the given line (and cache it). Returns
  // false for lines that are fully left-to-right, and an array of
  // BidiSpan objects otherwise.
  function getOrder(line, direction) {
    var order = line.order;
    if (order == null) { order = line.order = bidiOrdering(line.text, direction); }
    return order
  }

  // EVENT HANDLING

  // Lightweight event framework. on/off also work on DOM nodes,
  // registering native DOM handlers.

  var noHandlers = [];

  var on = function(emitter, type, f) {
    if (emitter.addEventListener) {
      emitter.addEventListener(type, f, false);
    } else if (emitter.attachEvent) {
      emitter.attachEvent("on" + type, f);
    } else {
      var map = emitter._handlers || (emitter._handlers = {});
      map[type] = (map[type] || noHandlers).concat(f);
    }
  };

  function getHandlers(emitter, type) {
    return emitter._handlers && emitter._handlers[type] || noHandlers
  }

  function off(emitter, type, f) {
    if (emitter.removeEventListener) {
      emitter.removeEventListener(type, f, false);
    } else if (emitter.detachEvent) {
      emitter.detachEvent("on" + type, f);
    } else {
      var map = emitter._handlers, arr = map && map[type];
      if (arr) {
        var index = indexOf(arr, f);
        if (index > -1)
          { map[type] = arr.slice(0, index).concat(arr.slice(index + 1)); }
      }
    }
  }

  function signal(emitter, type /*, values...*/) {
    var handlers = getHandlers(emitter, type);
    if (!handlers.length) { return }
    var args = Array.prototype.slice.call(arguments, 2);
    for (var i = 0; i < handlers.length; ++i) { handlers[i].apply(null, args); }
  }

  // The DOM events that CodeMirror handles can be overridden by
  // registering a (non-DOM) handler on the editor for the event name,
  // and preventDefault-ing the event in that handler.
  function signalDOMEvent(cm, e, override) {
    if (typeof e == "string")
      { e = {type: e, preventDefault: function() { this.defaultPrevented = true; }}; }
    signal(cm, override || e.type, cm, e);
    return e_defaultPrevented(e) || e.codemirrorIgnore
  }

  function signalCursorActivity(cm) {
    var arr = cm._handlers && cm._handlers.cursorActivity;
    if (!arr) { return }
    var set = cm.curOp.cursorActivityHandlers || (cm.curOp.cursorActivityHandlers = []);
    for (var i = 0; i < arr.length; ++i) { if (indexOf(set, arr[i]) == -1)
      { set.push(arr[i]); } }
  }

  function hasHandler(emitter, type) {
    return getHandlers(emitter, type).length > 0
  }

  // Add on and off methods to a constructor's prototype, to make
  // registering events on such objects more convenient.
  function eventMixin(ctor) {
    ctor.prototype.on = function(type, f) {on(this, type, f);};
    ctor.prototype.off = function(type, f) {off(this, type, f);};
  }

  // Due to the fact that we still support jurassic IE versions, some
  // compatibility wrappers are needed.

  function e_preventDefault(e) {
    if (e.preventDefault) { e.preventDefault(); }
    else { e.returnValue = false; }
  }
  function e_stopPropagation(e) {
    if (e.stopPropagation) { e.stopPropagation(); }
    else { e.cancelBubble = true; }
  }
  function e_defaultPrevented(e) {
    return e.defaultPrevented != null ? e.defaultPrevented : e.returnValue == false
  }
  function e_stop(e) {e_preventDefault(e); e_stopPropagation(e);}

  function e_target(e) {return e.target || e.srcElement}
  function e_button(e) {
    var b = e.which;
    if (b == null) {
      if (e.button & 1) { b = 1; }
      else if (e.button & 2) { b = 3; }
      else if (e.button & 4) { b = 2; }
    }
    if (mac && e.ctrlKey && b == 1) { b = 3; }
    return b
  }

  // Detect drag-and-drop
  var dragAndDrop = function() {
    // There is *some* kind of drag-and-drop support in IE6-8, but I
    // couldn't get it to work yet.
    if (ie && ie_version < 9) { return false }
    var div = elt('div');
    return "draggable" in div || "dragDrop" in div
  }();

  var zwspSupported;
  function zeroWidthElement(measure) {
    if (zwspSupported == null) {
      var test = elt("span", "\u200b");
      removeChildrenAndAdd(measure, elt("span", [test, document.createTextNode("x")]));
      if (measure.firstChild.offsetHeight != 0)
        { zwspSupported = test.offsetWidth <= 1 && test.offsetHeight > 2 && !(ie && ie_version < 8); }
    }
    var node = zwspSupported ? elt("span", "\u200b") :
      elt("span", "\u00a0", null, "display: inline-block; width: 1px; margin-right: -1px");
    node.setAttribute("cm-text", "");
    return node
  }

  // Feature-detect IE's crummy client rect reporting for bidi text
  var badBidiRects;
  function hasBadBidiRects(measure) {
    if (badBidiRects != null) { return badBidiRects }
    var txt = removeChildrenAndAdd(measure, document.createTextNode("A\u062eA"));
    var r0 = range(txt, 0, 1).getBoundingClientRect();
    var r1 = range(txt, 1, 2).getBoundingClientRect();
    removeChildren(measure);
    if (!r0 || r0.left == r0.right) { return false } // Safari returns null in some cases (#2780)
    return badBidiRects = (r1.right - r0.right < 3)
  }

  // See if "".split is the broken IE version, if so, provide an
  // alternative way to split lines.
  var splitLinesAuto = "\n\nb".split(/\n/).length != 3 ? function (string) {
    var pos = 0, result = [], l = string.length;
    while (pos <= l) {
      var nl = string.indexOf("\n", pos);
      if (nl == -1) { nl = string.length; }
      var line = string.slice(pos, string.charAt(nl - 1) == "\r" ? nl - 1 : nl);
      var rt = line.indexOf("\r");
      if (rt != -1) {
        result.push(line.slice(0, rt));
        pos += rt + 1;
      } else {
        result.push(line);
        pos = nl + 1;
      }
    }
    return result
  } : function (string) { return string.split(/\r\n?|\n/); };

  var hasSelection = window.getSelection ? function (te) {
    try { return te.selectionStart != te.selectionEnd }
    catch(e) { return false }
  } : function (te) {
    var range;
    try {range = te.ownerDocument.selection.createRange();}
    catch(e) {}
    if (!range || range.parentElement() != te) { return false }
    return range.compareEndPoints("StartToEnd", range) != 0
  };

  var hasCopyEvent = (function () {
    var e = elt("div");
    if ("oncopy" in e) { return true }
    e.setAttribute("oncopy", "return;");
    return typeof e.oncopy == "function"
  })();

  var badZoomedRects = null;
  function hasBadZoomedRects(measure) {
    if (badZoomedRects != null) { return badZoomedRects }
    var node = removeChildrenAndAdd(measure, elt("span", "x"));
    var normal = node.getBoundingClientRect();
    var fromRange = range(node, 0, 1).getBoundingClientRect();
    return badZoomedRects = Math.abs(normal.left - fromRange.left) > 1
  }

  // Known modes, by name and by MIME
  var modes = {}, mimeModes = {};

  // Extra arguments are stored as the mode's dependencies, which is
  // used by (legacy) mechanisms like loadmode.js to automatically
  // load a mode. (Preferred mechanism is the require/define calls.)
  function defineMode(name, mode) {
    if (arguments.length > 2)
      { mode.dependencies = Array.prototype.slice.call(arguments, 2); }
    modes[name] = mode;
  }

  function defineMIME(mime, spec) {
    mimeModes[mime] = spec;
  }

  // Given a MIME type, a {name, ...options} config object, or a name
  // string, return a mode config object.
  function resolveMode(spec) {
    if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) {
      spec = mimeModes[spec];
    } else if (spec && typeof spec.name == "string" && mimeModes.hasOwnProperty(spec.name)) {
      var found = mimeModes[spec.name];
      if (typeof found == "string") { found = {name: found}; }
      spec = createObj(found, spec);
      spec.name = found.name;
    } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+xml$/.test(spec)) {
      return resolveMode("application/xml")
    } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+json$/.test(spec)) {
      return resolveMode("application/json")
    }
    if (typeof spec == "string") { return {name: spec} }
    else { return spec || {name: "null"} }
  }

  // Given a mode spec (anything that resolveMode accepts), find and
  // initialize an actual mode object.
  function getMode(options, spec) {
    spec = resolveMode(spec);
    var mfactory = modes[spec.name];
    if (!mfactory) { return getMode(options, "text/plain") }
    var modeObj = mfactory(options, spec);
    if (modeExtensions.hasOwnProperty(spec.name)) {
      var exts = modeExtensions[spec.name];
      for (var prop in exts) {
        if (!exts.hasOwnProperty(prop)) { continue }
        if (modeObj.hasOwnProperty(prop)) { modeObj["_" + prop] = modeObj[prop]; }
        modeObj[prop] = exts[prop];
      }
    }
    modeObj.name = spec.name;
    if (spec.helperType) { modeObj.helperType = spec.helperType; }
    if (spec.modeProps) { for (var prop$1 in spec.modeProps)
      { modeObj[prop$1] = spec.modeProps[prop$1]; } }

    return modeObj
  }

  // This can be used to attach properties to mode objects from
  // outside the actual mode definition.
  var modeExtensions = {};
  function extendMode(mode, properties) {
    var exts = modeExtensions.hasOwnProperty(mode) ? modeExtensions[mode] : (modeExtensions[mode] = {});
    copyObj(properties, exts);
  }

  function copyState(mode, state) {
    if (state === true) { return state }
    if (mode.copyState) { return mode.copyState(state) }
    var nstate = {};
    for (var n in state) {
      var val = state[n];
      if (val instanceof Array) { val = val.concat([]); }
      nstate[n] = val;
    }
    return nstate
  }

  // Given a mode and a state (for that mode), find the inner mode and
  // state at the position that the state refers to.
  function innerMode(mode, state) {
    var info;
    while (mode.innerMode) {
      info = mode.innerMode(state);
      if (!info || info.mode == mode) { break }
      state = info.state;
      mode = info.mode;
    }
    return info || {mode: mode, state: state}
  }

  function startState(mode, a1, a2) {
    return mode.startState ? mode.startState(a1, a2) : true
  }

  // STRING STREAM

  // Fed to the mode parsers, provides helper functions to make
  // parsers more succinct.

  var StringStream = function(string, tabSize, lineOracle) {
    this.pos = this.start = 0;
    this.string = string;
    this.tabSize = tabSize || 8;
    this.lastColumnPos = this.lastColumnValue = 0;
    this.lineStart = 0;
    this.lineOracle = lineOracle;
  };

  StringStream.prototype.eol = function () {return this.pos >= this.string.length};
  StringStream.prototype.sol = function () {return this.pos == this.lineStart};
  StringStream.prototype.peek = function () {return this.string.charAt(this.pos) || undefined};
  StringStream.prototype.next = function () {
    if (this.pos < this.string.length)
      { return this.string.charAt(this.pos++) }
  };
  StringStream.prototype.eat = function (match) {
    var ch = this.string.charAt(this.pos);
    var ok;
    if (typeof match == "string") { ok = ch == match; }
    else { ok = ch && (match.test ? match.test(ch) : match(ch)); }
    if (ok) {++this.pos; return ch}
  };
  StringStream.prototype.eatWhile = function (match) {
    var start = this.pos;
    while (this.eat(match)){}
    return this.pos > start
  };
  StringStream.prototype.eatSpace = function () {
    var start = this.pos;
    while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) { ++this.pos; }
    return this.pos > start
  };
  StringStream.prototype.skipToEnd = function () {this.pos = this.string.length;};
  StringStream.prototype.skipTo = function (ch) {
    var found = this.string.indexOf(ch, this.pos);
    if (found > -1) {this.pos = found; return true}
  };
  StringStream.prototype.backUp = function (n) {this.pos -= n;};
  StringStream.prototype.column = function () {
    if (this.lastColumnPos < this.start) {
      this.lastColumnValue = countColumn(this.string, this.start, this.tabSize, this.lastColumnPos, this.lastColumnValue);
      this.lastColumnPos = this.start;
    }
    return this.lastColumnValue - (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0)
  };
  StringStream.prototype.indentation = function () {
    return countColumn(this.string, null, this.tabSize) -
      (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0)
  };
  StringStream.prototype.match = function (pattern, consume, caseInsensitive) {
    if (typeof pattern == "string") {
      var cased = function (str) { return caseInsensitive ? str.toLowerCase() : str; };
      var substr = this.string.substr(this.pos, pattern.length);
      if (cased(substr) == cased(pattern)) {
        if (consume !== false) { this.pos += pattern.length; }
        return true
      }
    } else {
      var match = this.string.slice(this.pos).match(pattern);
      if (match && match.index > 0) { return null }
      if (match && consume !== false) { this.pos += match[0].length; }
      return match
    }
  };
  StringStream.prototype.current = function (){return this.string.slice(this.start, this.pos)};
  StringStream.prototype.hideFirstChars = function (n, inner) {
    this.lineStart += n;
    try { return inner() }
    finally { this.lineStart -= n; }
  };
  StringStream.prototype.lookAhead = function (n) {
    var oracle = this.lineOracle;
    return oracle && oracle.lookAhead(n)
  };
  StringStream.prototype.baseToken = function () {
    var oracle = this.lineOracle;
    return oracle && oracle.baseToken(this.pos)
  };

  // Find the line object corresponding to the given line number.
  function getLine(doc, n) {
    n -= doc.first;
    if (n < 0 || n >= doc.size) { throw new Error("There is no line " + (n + doc.first) + " in the document.") }
    var chunk = doc;
    while (!chunk.lines) {
      for (var i = 0;; ++i) {
        var child = chunk.children[i], sz = child.chunkSize();
        if (n < sz) { chunk = child; break }
        n -= sz;
      }
    }
    return chunk.lines[n]
  }

  // Get the part of a document between two positions, as an array of
  // strings.
  function getBetween(doc, start, end) {
    var out = [], n = start.line;
    doc.iter(start.line, end.line + 1, function (line) {
      var text = line.text;
      if (n == end.line) { text = text.slice(0, end.ch); }
      if (n == start.line) { text = text.slice(start.ch); }
      out.push(text);
      ++n;
    });
    return out
  }
  // Get the lines between from and to, as array of strings.
  function getLines(doc, from, to) {
    var out = [];
    doc.iter(from, to, function (line) { out.push(line.text); }); // iter aborts when callback returns truthy value
    return out
  }

  // Update the height of a line, propagating the height change
  // upwards to parent nodes.
  function updateLineHeight(line, height) {
    var diff = height - line.height;
    if (diff) { for (var n = line; n; n = n.parent) { n.height += diff; } }
  }

  // Given a line object, find its line number by walking up through
  // its parent links.
  function lineNo(line) {
    if (line.parent == null) { return null }
    var cur = line.parent, no = indexOf(cur.lines, line);
    for (var chunk = cur.parent; chunk; cur = chunk, chunk = chunk.parent) {
      for (var i = 0;; ++i) {
        if (chunk.children[i] == cur) { break }
        no += chunk.children[i].chunkSize();
      }
    }
    return no + cur.first
  }

  // Find the line at the given vertical position, using the height
  // information in the document tree.
  function lineAtHeight(chunk, h) {
    var n = chunk.first;
    outer: do {
      for (var i$1 = 0; i$1 < chunk.children.length; ++i$1) {
        var child = chunk.children[i$1], ch = child.height;
        if (h < ch) { chunk = child; continue outer }
        h -= ch;
        n += child.chunkSize();
      }
      return n
    } while (!chunk.lines)
    var i = 0;
    for (; i < chunk.lines.length; ++i) {
      var line = chunk.lines[i], lh = line.height;
      if (h < lh) { break }
      h -= lh;
    }
    return n + i
  }

  function isLine(doc, l) {return l >= doc.first && l < doc.first + doc.size}

  function lineNumberFor(options, i) {
    return String(options.lineNumberFormatter(i + options.firstLineNumber))
  }

  // A Pos instance represents a position within the text.
  function Pos(line, ch, sticky) {
    if ( sticky === void 0 ) sticky = null;

    if (!(this instanceof Pos)) { return new Pos(line, ch, sticky) }
    this.line = line;
    this.ch = ch;
    this.sticky = sticky;
  }

  // Compare two positions, return 0 if they are the same, a negative
  // number when a is less, and a positive number otherwise.
  function cmp(a, b) { return a.line - b.line || a.ch - b.ch }

  function equalCursorPos(a, b) { return a.sticky == b.sticky && cmp(a, b) == 0 }

  function copyPos(x) {return Pos(x.line, x.ch)}
  function maxPos(a, b) { return cmp(a, b) < 0 ? b : a }
  function minPos(a, b) { return cmp(a, b) < 0 ? a : b }

  // Most of the external API clips given positions to make sure they
  // actually exist within the document.
  function clipLine(doc, n) {return Math.max(doc.first, Math.min(n, doc.first + doc.size - 1))}
  function clipPos(doc, pos) {
    if (pos.line < doc.first) { return Pos(doc.first, 0) }
    var last = doc.first + doc.size - 1;
    if (pos.line > last) { return Pos(last, getLine(doc, last).text.length) }
    return clipToLen(pos, getLine(doc, pos.line).text.length)
  }
  function clipToLen(pos, linelen) {
    var ch = pos.ch;
    if (ch == null || ch > linelen) { return Pos(pos.line, linelen) }
    else if (ch < 0) { return Pos(pos.line, 0) }
    else { return pos }
  }
  function clipPosArray(doc, array) {
    var out = [];
    for (var i = 0; i < array.length; i++) { out[i] = clipPos(doc, array[i]); }
    return out
  }

  var SavedContext = function(state, lookAhead) {
    this.state = state;
    this.lookAhead = lookAhead;
  };

  var Context = function(doc, state, line, lookAhead) {
    this.state = state;
    this.doc = doc;
    this.line = line;
    this.maxLookAhead = lookAhead || 0;
    this.baseTokens = null;
    this.baseTokenPos = 1;
  };

  Context.prototype.lookAhead = function (n) {
    var line = this.doc.getLine(this.line + n);
    if (line != null && n > this.maxLookAhead) { this.maxLookAhead = n; }
    return line
  };

  Context.prototype.baseToken = function (n) {
    if (!this.baseTokens) { return null }
    while (this.baseTokens[this.baseTokenPos] <= n)
      { this.baseTokenPos += 2; }
    var type = this.baseTokens[this.baseTokenPos + 1];
    return {type: type && type.replace(/( |^)overlay .*/, ""),
            size: this.baseTokens[this.baseTokenPos] - n}
  };

  Context.prototype.nextLine = function () {
    this.line++;
    if (this.maxLookAhead > 0) { this.maxLookAhead--; }
  };

  Context.fromSaved = function (doc, saved, line) {
    if (saved instanceof SavedContext)
      { return new Context(doc, copyState(doc.mode, saved.state), line, saved.lookAhead) }
    else
      { return new Context(doc, copyState(doc.mode, saved), line) }
  };

  Context.prototype.save = function (copy) {
    var state = copy !== false ? copyState(this.doc.mode, this.state) : this.state;
    return this.maxLookAhead > 0 ? new SavedContext(state, this.maxLookAhead) : state
  };


  // Compute a style array (an array starting with a mode generation
  // -- for invalidation -- followed by pairs of end positions and
  // style strings), which is used to highlight the tokens on the
  // line.
  function highlightLine(cm, line, context, forceToEnd) {
    // A styles array always starts with a number identifying the
    // mode/overlays that it is based on (for easy invalidation).
    var st = [cm.state.modeGen], lineClasses = {};
    // Compute the base array of styles
    runMode(cm, line.text, cm.doc.mode, context, function (end, style) { return st.push(end, style); },
            lineClasses, forceToEnd);
    var state = context.state;

    // Run overlays, adjust style array.
    var loop = function ( o ) {
      context.baseTokens = st;
      var overlay = cm.state.overlays[o], i = 1, at = 0;
      context.state = true;
      runMode(cm, line.text, overlay.mode, context, function (end, style) {
        var start = i;
        // Ensure there's a token end at the current position, and that i points at it
        while (at < end) {
          var i_end = st[i];
          if (i_end > end)
            { st.splice(i, 1, end, st[i+1], i_end); }
          i += 2;
          at = Math.min(end, i_end);
        }
        if (!style) { return }
        if (overlay.opaque) {
          st.splice(start, i - start, end, "overlay " + style);
          i = start + 2;
        } else {
          for (; start < i; start += 2) {
            var cur = st[start+1];
            st[start+1] = (cur ? cur + " " : "") + "overlay " + style;
          }
        }
      }, lineClasses);
      context.state = state;
      context.baseTokens = null;
      context.baseTokenPos = 1;
    };

    for (var o = 0; o < cm.state.overlays.length; ++o) loop( o );

    return {styles: st, classes: lineClasses.bgClass || lineClasses.textClass ? lineClasses : null}
  }

  function getLineStyles(cm, line, updateFrontier) {
    if (!line.styles || line.styles[0] != cm.state.modeGen) {
      var context = getContextBefore(cm, lineNo(line));
      var resetState = line.text.length > cm.options.maxHighlightLength && copyState(cm.doc.mode, context.state);
      var result = highlightLine(cm, line, context);
      if (resetState) { context.state = resetState; }
      line.stateAfter = context.save(!resetState);
      line.styles = result.styles;
      if (result.classes) { line.styleClasses = result.classes; }
      else if (line.styleClasses) { line.styleClasses = null; }
      if (updateFrontier === cm.doc.highlightFrontier)
        { cm.doc.modeFrontier = Math.max(cm.doc.modeFrontier, ++cm.doc.highlightFrontier); }
    }
    return line.styles
  }

  function getContextBefore(cm, n, precise) {
    var doc = cm.doc, display = cm.display;
    if (!doc.mode.startState) { return new Context(doc, true, n) }
    var start = findStartLine(cm, n, precise);
    var saved = start > doc.first && getLine(doc, start - 1).stateAfter;
    var context = saved ? Context.fromSaved(doc, saved, start) : new Context(doc, startState(doc.mode), start);

    doc.iter(start, n, function (line) {
      processLine(cm, line.text, context);
      var pos = context.line;
      line.stateAfter = pos == n - 1 || pos % 5 == 0 || pos >= display.viewFrom && pos < display.viewTo ? context.save() : null;
      context.nextLine();
    });
    if (precise) { doc.modeFrontier = context.line; }
    return context
  }

  // Lightweight form of highlight -- proceed over this line and
  // update state, but don't save a style array. Used for lines that
  // aren't currently visible.
  function processLine(cm, text, context, startAt) {
    var mode = cm.doc.mode;
    var stream = new StringStream(text, cm.options.tabSize, context);
    stream.start = stream.pos = startAt || 0;
    if (text == "") { callBlankLine(mode, context.state); }
    while (!stream.eol()) {
      readToken(mode, stream, context.state);
      stream.start = stream.pos;
    }
  }

  function callBlankLine(mode, state) {
    if (mode.blankLine) { return mode.blankLine(state) }
    if (!mode.innerMode) { return }
    var inner = innerMode(mode, state);
    if (inner.mode.blankLine) { return inner.mode.blankLine(inner.state) }
  }

  function readToken(mode, stream, state, inner) {
    for (var i = 0; i < 10; i++) {
      if (inner) { inner[0] = innerMode(mode, state).mode; }
      var style = mode.token(stream, state);
      if (stream.pos > stream.start) { return style }
    }
    throw new Error("Mode " + mode.name + " failed to advance stream.")
  }

  var Token = function(stream, type, state) {
    this.start = stream.start; this.end = stream.pos;
    this.string = stream.current();
    this.type = type || null;
    this.state = state;
  };

  // Utility for getTokenAt and getLineTokens
  function takeToken(cm, pos, precise, asArray) {
    var doc = cm.doc, mode = doc.mode, style;
    pos = clipPos(doc, pos);
    var line = getLine(doc, pos.line), context = getContextBefore(cm, pos.line, precise);
    var stream = new StringStream(line.text, cm.options.tabSize, context), tokens;
    if (asArray) { tokens = []; }
    while ((asArray || stream.pos < pos.ch) && !stream.eol()) {
      stream.start = stream.pos;
      style = readToken(mode, stream, context.state);
      if (asArray) { tokens.push(new Token(stream, style, copyState(doc.mode, context.state))); }
    }
    return asArray ? tokens : new Token(stream, style, context.state)
  }

  function extractLineClasses(type, output) {
    if (type) { for (;;) {
      var lineClass = type.match(/(?:^|\s+)line-(background-)?(\S+)/);
      if (!lineClass) { break }
      type = type.slice(0, lineClass.index) + type.slice(lineClass.index + lineClass[0].length);
      var prop = lineClass[1] ? "bgClass" : "textClass";
      if (output[prop] == null)
        { output[prop] = lineClass[2]; }
      else if (!(new RegExp("(?:^|\\s)" + lineClass[2] + "(?:$|\\s)")).test(output[prop]))
        { output[prop] += " " + lineClass[2]; }
    } }
    return type
  }

  // Run the given mode's parser over a line, calling f for each token.
  function runMode(cm, text, mode, context, f, lineClasses, forceToEnd) {
    var flattenSpans = mode.flattenSpans;
    if (flattenSpans == null) { flattenSpans = cm.options.flattenSpans; }
    var curStart = 0, curStyle = null;
    var stream = new StringStream(text, cm.options.tabSize, context), style;
    var inner = cm.options.addModeClass && [null];
    if (text == "") { extractLineClasses(callBlankLine(mode, context.state), lineClasses); }
    while (!stream.eol()) {
      if (stream.pos > cm.options.maxHighlightLength) {
        flattenSpans = false;
        if (forceToEnd) { processLine(cm, text, context, stream.pos); }
        stream.pos = text.length;
        style = null;
      } else {
        style = extractLineClasses(readToken(mode, stream, context.state, inner), lineClasses);
      }
      if (inner) {
        var mName = inner[0].name;
        if (mName) { style = "m-" + (style ? mName + " " + style : mName); }
      }
      if (!flattenSpans || curStyle != style) {
        while (curStart < stream.start) {
          curStart = Math.min(stream.start, curStart + 5000);
          f(curStart, curStyle);
        }
        curStyle = style;
      }
      stream.start = stream.pos;
    }
    while (curStart < stream.pos) {
      // Webkit seems to refuse to render text nodes longer than 57444
      // characters, and returns inaccurate measurements in nodes
      // starting around 5000 chars.
      var pos = Math.min(stream.pos, curStart + 5000);
      f(pos, curStyle);
      curStart = pos;
    }
  }

  // Finds the line to start with when starting a parse. Tries to
  // find a line with a stateAfter, so that it can start with a
  // valid state. If that fails, it returns the line with the
  // smallest indentation, which tends to need the least context to
  // parse correctly.
  function findStartLine(cm, n, precise) {
    var minindent, minline, doc = cm.doc;
    var lim = precise ? -1 : n - (cm.doc.mode.innerMode ? 1000 : 100);
    for (var search = n; search > lim; --search) {
      if (search <= doc.first) { return doc.first }
      var line = getLine(doc, search - 1), after = line.stateAfter;
      if (after && (!precise || search + (after instanceof SavedContext ? after.lookAhead : 0) <= doc.modeFrontier))
        { return search }
      var indented = countColumn(line.text, null, cm.options.tabSize);
      if (minline == null || minindent > indented) {
        minline = search - 1;
        minindent = indented;
      }
    }
    return minline
  }

  function retreatFrontier(doc, n) {
    doc.modeFrontier = Math.min(doc.modeFrontier, n);
    if (doc.highlightFrontier < n - 10) { return }
    var start = doc.first;
    for (var line = n - 1; line > start; line--) {
      var saved = getLine(doc, line).stateAfter;
      // change is on 3
      // state on line 1 looked ahead 2 -- so saw 3
      // test 1 + 2 < 3 should cover this
      if (saved && (!(saved instanceof SavedContext) || line + saved.lookAhead < n)) {
        start = line + 1;
        break
      }
    }
    doc.highlightFrontier = Math.min(doc.highlightFrontier, start);
  }

  // Optimize some code when these features are not used.
  var sawReadOnlySpans = false, sawCollapsedSpans = false;

  function seeReadOnlySpans() {
    sawReadOnlySpans = true;
  }

  function seeCollapsedSpans() {
    sawCollapsedSpans = true;
  }

  // TEXTMARKER SPANS

  function MarkedSpan(marker, from, to) {
    this.marker = marker;
    this.from = from; this.to = to;
  }

  // Search an array of spans for a span matching the given marker.
  function getMarkedSpanFor(spans, marker) {
    if (spans) { for (var i = 0; i < spans.length; ++i) {
      var span = spans[i];
      if (span.marker == marker) { return span }
    } }
  }
  // Remove a span from an array, returning undefined if no spans are
  // left (we don't store arrays for lines without spans).
  function removeMarkedSpan(spans, span) {
    var r;
    for (var i = 0; i < spans.length; ++i)
      { if (spans[i] != span) { (r || (r = [])).push(spans[i]); } }
    return r
  }
  // Add a span to a line.
  function addMarkedSpan(line, span) {
    line.markedSpans = line.markedSpans ? line.markedSpans.concat([span]) : [span];
    span.marker.attachLine(line);
  }

  // Used for the algorithm that adjusts markers for a change in the
  // document. These functions cut an array of spans at a given
  // character position, returning an array of remaining chunks (or
  // undefined if nothing remains).
  function markedSpansBefore(old, startCh, isInsert) {
    var nw;
    if (old) { for (var i = 0; i < old.length; ++i) {
      var span = old[i], marker = span.marker;
      var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= startCh : span.from < startCh);
      if (startsBefore || span.from == startCh && marker.type == "bookmark" && (!isInsert || !span.marker.insertLeft)) {
        var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= startCh : span.to > startCh)
        ;(nw || (nw = [])).push(new MarkedSpan(marker, span.from, endsAfter ? null : span.to));
      }
    } }
    return nw
  }
  function markedSpansAfter(old, endCh, isInsert) {
    var nw;
    if (old) { for (var i = 0; i < old.length; ++i) {
      var span = old[i], marker = span.marker;
      var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= endCh : span.to > endCh);
      if (endsAfter || span.from == endCh && marker.type == "bookmark" && (!isInsert || span.marker.insertLeft)) {
        var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= endCh : span.from < endCh)
        ;(nw || (nw = [])).push(new MarkedSpan(marker, startsBefore ? null : span.from - endCh,
                                              span.to == null ? null : span.to - endCh));
      }
    } }
    return nw
  }

  // Given a change object, compute the new set of marker spans that
  // cover the line in which the change took place. Removes spans
  // entirely within the change, reconnects spans belonging to the
  // same marker that appear on both sides of the change, and cuts off
  // spans partially within the change. Returns an array of span
  // arrays with one element for each line in (after) the change.
  function stretchSpansOverChange(doc, change) {
    if (change.full) { return null }
    var oldFirst = isLine(doc, change.from.line) && getLine(doc, change.from.line).markedSpans;
    var oldLast = isLine(doc, change.to.line) && getLine(doc, change.to.line).markedSpans;
    if (!oldFirst && !oldLast) { return null }

    var startCh = change.from.ch, endCh = change.to.ch, isInsert = cmp(change.from, change.to) == 0;
    // Get the spans that 'stick out' on both sides
    var first = markedSpansBefore(oldFirst, startCh, isInsert);
    var last = markedSpansAfter(oldLast, endCh, isInsert);

    // Next, merge those two ends
    var sameLine = change.text.length == 1, offset = lst(change.text).length + (sameLine ? startCh : 0);
    if (first) {
      // Fix up .to properties of first
      for (var i = 0; i < first.length; ++i) {
        var span = first[i];
        if (span.to == null) {
          var found = getMarkedSpanFor(last, span.marker);
          if (!found) { span.to = startCh; }
          else if (sameLine) { span.to = found.to == null ? null : found.to + offset; }
        }
      }
    }
    if (last) {
      // Fix up .from in last (or move them into first in case of sameLine)
      for (var i$1 = 0; i$1 < last.length; ++i$1) {
        var span$1 = last[i$1];
        if (span$1.to != null) { span$1.to += offset; }
        if (span$1.from == null) {
          var found$1 = getMarkedSpanFor(first, span$1.marker);
          if (!found$1) {
            span$1.from = offset;
            if (sameLine) { (first || (first = [])).push(span$1); }
          }
        } else {
          span$1.from += offset;
          if (sameLine) { (first || (first = [])).push(span$1); }
        }
      }
    }
    // Make sure we didn't create any zero-length spans
    if (first) { first = clearEmptySpans(first); }
    if (last && last != first) { last = clearEmptySpans(last); }

    var newMarkers = [first];
    if (!sameLine) {
      // Fill gap with whole-line-spans
      var gap = change.text.length - 2, gapMarkers;
      if (gap > 0 && first)
        { for (var i$2 = 0; i$2 < first.length; ++i$2)
          { if (first[i$2].to == null)
            { (gapMarkers || (gapMarkers = [])).push(new MarkedSpan(first[i$2].marker, null, null)); } } }
      for (var i$3 = 0; i$3 < gap; ++i$3)
        { newMarkers.push(gapMarkers); }
      newMarkers.push(last);
    }
    return newMarkers
  }

  // Remove spans that are empty and don't have a clearWhenEmpty
  // option of false.
  function clearEmptySpans(spans) {
    for (var i = 0; i < spans.length; ++i) {
      var span = spans[i];
      if (span.from != null && span.from == span.to && span.marker.clearWhenEmpty !== false)
        { spans.splice(i--, 1); }
    }
    if (!spans.length) { return null }
    return spans
  }

  // Used to 'clip' out readOnly ranges when making a change.
  function removeReadOnlyRanges(doc, from, to) {
    var markers = null;
    doc.iter(from.line, to.line + 1, function (line) {
      if (line.markedSpans) { for (var i = 0; i < line.markedSpans.length; ++i) {
        var mark = line.markedSpans[i].marker;
        if (mark.readOnly && (!markers || indexOf(markers, mark) == -1))
          { (markers || (markers = [])).push(mark); }
      } }
    });
    if (!markers) { return null }
    var parts = [{from: from, to: to}];
    for (var i = 0; i < markers.length; ++i) {
      var mk = markers[i], m = mk.find(0);
      for (var j = 0; j < parts.length; ++j) {
        var p = parts[j];
        if (cmp(p.to, m.from) < 0 || cmp(p.from, m.to) > 0) { continue }
        var newParts = [j, 1], dfrom = cmp(p.from, m.from), dto = cmp(p.to, m.to);
        if (dfrom < 0 || !mk.inclusiveLeft && !dfrom)
          { newParts.push({from: p.from, to: m.from}); }
        if (dto > 0 || !mk.inclusiveRight && !dto)
          { newParts.push({from: m.to, to: p.to}); }
        parts.splice.apply(parts, newParts);
        j += newParts.length - 3;
      }
    }
    return parts
  }

  // Connect or disconnect spans from a line.
  function detachMarkedSpans(line) {
    var spans = line.markedSpans;
    if (!spans) { return }
    for (var i = 0; i < spans.length; ++i)
      { spans[i].marker.detachLine(line); }
    line.markedSpans = null;
  }
  function attachMarkedSpans(line, spans) {
    if (!spans) { return }
    for (var i = 0; i < spans.length; ++i)
      { spans[i].marker.attachLine(line); }
    line.markedSpans = spans;
  }

  // Helpers used when computing which overlapping collapsed span
  // counts as the larger one.
  function extraLeft(marker) { return marker.inclusiveLeft ? -1 : 0 }
  function extraRight(marker) { return marker.inclusiveRight ? 1 : 0 }

  // Returns a number indicating which of two overlapping collapsed
  // spans is larger (and thus includes the other). Falls back to
  // comparing ids when the spans cover exactly the same range.
  function compareCollapsedMarkers(a, b) {
    var lenDiff = a.lines.length - b.lines.length;
    if (lenDiff != 0) { return lenDiff }
    var aPos = a.find(), bPos = b.find();
    var fromCmp = cmp(aPos.from, bPos.from) || extraLeft(a) - extraLeft(b);
    if (fromCmp) { return -fromCmp }
    var toCmp = cmp(aPos.to, bPos.to) || extraRight(a) - extraRight(b);
    if (toCmp) { return toCmp }
    return b.id - a.id
  }

  // Find out whether a line ends or starts in a collapsed span. If
  // so, return the marker for that span.
  function collapsedSpanAtSide(line, start) {
    var sps = sawCollapsedSpans && line.markedSpans, found;
    if (sps) { for (var sp = (void 0), i = 0; i < sps.length; ++i) {
      sp = sps[i];
      if (sp.marker.collapsed && (start ? sp.from : sp.to) == null &&
          (!found || compareCollapsedMarkers(found, sp.marker) < 0))
        { found = sp.marker; }
    } }
    return found
  }
  function collapsedSpanAtStart(line) { return collapsedSpanAtSide(line, true) }
  function collapsedSpanAtEnd(line) { return collapsedSpanAtSide(line, false) }

  function collapsedSpanAround(line, ch) {
    var sps = sawCollapsedSpans && line.markedSpans, found;
    if (sps) { for (var i = 0; i < sps.length; ++i) {
      var sp = sps[i];
      if (sp.marker.collapsed && (sp.from == null || sp.from < ch) && (sp.to == null || sp.to > ch) &&
          (!found || compareCollapsedMarkers(found, sp.marker) < 0)) { found = sp.marker; }
    } }
    return found
  }

  // Test whether there exists a collapsed span that partially
  // overlaps (covers the start or end, but not both) of a new span.
  // Such overlap is not allowed.
  function conflictingCollapsedRange(doc, lineNo, from, to, marker) {
    var line = getLine(doc, lineNo);
    var sps = sawCollapsedSpans && line.markedSpans;
    if (sps) { for (var i = 0; i < sps.length; ++i) {
      var sp = sps[i];
      if (!sp.marker.collapsed) { continue }
      var found = sp.marker.find(0);
      var fromCmp = cmp(found.from, from) || extraLeft(sp.marker) - extraLeft(marker);
      var toCmp = cmp(found.to, to) || extraRight(sp.marker) - extraRight(marker);
      if (fromCmp >= 0 && toCmp <= 0 || fromCmp <= 0 && toCmp >= 0) { continue }
      if (fromCmp <= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.to, from) >= 0 : cmp(found.to, from) > 0) ||
          fromCmp >= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.from, to) <= 0 : cmp(found.from, to) < 0))
        { return true }
    } }
  }

  // A visual line is a line as drawn on the screen. Folding, for
  // example, can cause multiple logical lines to appear on the same
  // visual line. This finds the start of the visual line that the
  // given line is part of (usually that is the line itself).
  function visualLine(line) {
    var merged;
    while (merged = collapsedSpanAtStart(line))
      { line = merged.find(-1, true).line; }
    return line
  }

  function visualLineEnd(line) {
    var merged;
    while (merged = collapsedSpanAtEnd(line))
      { line = merged.find(1, true).line; }
    return line
  }

  // Returns an array of logical lines that continue the visual line
  // started by the argument, or undefined if there are no such lines.
  function visualLineContinued(line) {
    var merged, lines;
    while (merged = collapsedSpanAtEnd(line)) {
      line = merged.find(1, true).line
      ;(lines || (lines = [])).push(line);
    }
    return lines
  }

  // Get the line number of the start of the visual line that the
  // given line number is part of.
  function visualLineNo(doc, lineN) {
    var line = getLine(doc, lineN), vis = visualLine(line);
    if (line == vis) { return lineN }
    return lineNo(vis)
  }

  // Get the line number of the start of the next visual line after
  // the given line.
  function visualLineEndNo(doc, lineN) {
    if (lineN > doc.lastLine()) { return lineN }
    var line = getLine(doc, lineN), merged;
    if (!lineIsHidden(doc, line)) { return lineN }
    while (merged = collapsedSpanAtEnd(line))
      { line = merged.find(1, true).line; }
    return lineNo(line) + 1
  }

  // Compute whether a line is hidden. Lines count as hidden when they
  // are part of a visual line that starts with another line, or when
  // they are entirely covered by collapsed, non-widget span.
  function lineIsHidden(doc, line) {
    var sps = sawCollapsedSpans && line.markedSpans;
    if (sps) { for (var sp = (void 0), i = 0; i < sps.length; ++i) {
      sp = sps[i];
      if (!sp.marker.collapsed) { continue }
      if (sp.from == null) { return true }
      if (sp.marker.widgetNode) { continue }
      if (sp.from == 0 && sp.marker.inclusiveLeft && lineIsHiddenInner(doc, line, sp))
        { return true }
    } }
  }
  function lineIsHiddenInner(doc, line, span) {
    if (span.to == null) {
      var end = span.marker.find(1, true);
      return lineIsHiddenInner(doc, end.line, getMarkedSpanFor(end.line.markedSpans, span.marker))
    }
    if (span.marker.inclusiveRight && span.to == line.text.length)
      { return true }
    for (var sp = (void 0), i = 0; i < line.markedSpans.length; ++i) {
      sp = line.markedSpans[i];
      if (sp.marker.collapsed && !sp.marker.widgetNode && sp.from == span.to &&
          (sp.to == null || sp.to != span.from) &&
          (sp.marker.inclusiveLeft || span.marker.inclusiveRight) &&
          lineIsHiddenInner(doc, line, sp)) { return true }
    }
  }

  // Find the height above the given line.
  function heightAtLine(lineObj) {
    lineObj = visualLine(lineObj);

    var h = 0, chunk = lineObj.parent;
    for (var i = 0; i < chunk.lines.length; ++i) {
      var line = chunk.lines[i];
      if (line == lineObj) { break }
      else { h += line.height; }
    }
    for (var p = chunk.parent; p; chunk = p, p = chunk.parent) {
      for (var i$1 = 0; i$1 < p.children.length; ++i$1) {
        var cur = p.children[i$1];
        if (cur == chunk) { break }
        else { h += cur.height; }
      }
    }
    return h
  }

  // Compute the character length of a line, taking into account
  // collapsed ranges (see markText) that might hide parts, and join
  // other lines onto it.
  function lineLength(line) {
    if (line.height == 0) { return 0 }
    var len = line.text.length, merged, cur = line;
    while (merged = collapsedSpanAtStart(cur)) {
      var found = merged.find(0, true);
      cur = found.from.line;
      len += found.from.ch - found.to.ch;
    }
    cur = line;
    while (merged = collapsedSpanAtEnd(cur)) {
      var found$1 = merged.find(0, true);
      len -= cur.text.length - found$1.from.ch;
      cur = found$1.to.line;
      len += cur.text.length - found$1.to.ch;
    }
    return len
  }

  // Find the longest line in the document.
  function findMaxLine(cm) {
    var d = cm.display, doc = cm.doc;
    d.maxLine = getLine(doc, doc.first);
    d.maxLineLength = lineLength(d.maxLine);
    d.maxLineChanged = true;
    doc.iter(function (line) {
      var len = lineLength(line);
      if (len > d.maxLineLength) {
        d.maxLineLength = len;
        d.maxLine = line;
      }
    });
  }

  // LINE DATA STRUCTURE

  // Line objects. These hold state related to a line, including
  // highlighting info (the styles array).
  var Line = function(text, markedSpans, estimateHeight) {
    this.text = text;
    attachMarkedSpans(this, markedSpans);
    this.height = estimateHeight ? estimateHeight(this) : 1;
  };

  Line.prototype.lineNo = function () { return lineNo(this) };
  eventMixin(Line);

  // Change the content (text, markers) of a line. Automatically
  // invalidates cached information and tries to re-estimate the
  // line's height.
  function updateLine(line, text, markedSpans, estimateHeight) {
    line.text = text;
    if (line.stateAfter) { line.stateAfter = null; }
    if (line.styles) { line.styles = null; }
    if (line.order != null) { line.order = null; }
    detachMarkedSpans(line);
    attachMarkedSpans(line, markedSpans);
    var estHeight = estimateHeight ? estimateHeight(line) : 1;
    if (estHeight != line.height) { updateLineHeight(line, estHeight); }
  }

  // Detach a line from the document tree and its markers.
  function cleanUpLine(line) {
    line.parent = null;
    detachMarkedSpans(line);
  }

  // Convert a style as returned by a mode (either null, or a string
  // containing one or more styles) to a CSS style. This is cached,
  // and also looks for line-wide styles.
  var styleToClassCache = {}, styleToClassCacheWithMode = {};
  function interpretTokenStyle(style, options) {
    if (!style || /^\s*$/.test(style)) { return null }
    var cache = options.addModeClass ? styleToClassCacheWithMode : styleToClassCache;
    return cache[style] ||
      (cache[style] = style.replace(/\S+/g, "cm-$&"))
  }

  // Render the DOM representation of the text of a line. Also builds
  // up a 'line map', which points at the DOM nodes that represent
  // specific stretches of text, and is used by the measuring code.
  // The returned object contains the DOM node, this map, and
  // information about line-wide styles that were set by the mode.
  function buildLineContent(cm, lineView) {
    // The padding-right forces the element to have a 'border', which
    // is needed on Webkit to be able to get line-level bounding
    // rectangles for it (in measureChar).
    var content = eltP("span", null, null, webkit ? "padding-right: .1px" : null);
    var builder = {pre: eltP("pre", [content], "CodeMirror-line"), content: content,
                   col: 0, pos: 0, cm: cm,
                   trailingSpace: false,
                   splitSpaces: cm.getOption("lineWrapping")};
    lineView.measure = {};

    // Iterate over the logical lines that make up this visual line.
    for (var i = 0; i <= (lineView.rest ? lineView.rest.length : 0); i++) {
      var line = i ? lineView.rest[i - 1] : lineView.line, order = (void 0);
      builder.pos = 0;
      builder.addToken = buildToken;
      // Optionally wire in some hacks into the token-rendering
      // algorithm, to deal with browser quirks.
      if (hasBadBidiRects(cm.display.measure) && (order = getOrder(line, cm.doc.direction)))
        { builder.addToken = buildTokenBadBidi(builder.addToken, order); }
      builder.map = [];
      var allowFrontierUpdate = lineView != cm.display.externalMeasured && lineNo(line);
      insertLineContent(line, builder, getLineStyles(cm, line, allowFrontierUpdate));
      if (line.styleClasses) {
        if (line.styleClasses.bgClass)
          { builder.bgClass = joinClasses(line.styleClasses.bgClass, builder.bgClass || ""); }
        if (line.styleClasses.textClass)
          { builder.textClass = joinClasses(line.styleClasses.textClass, builder.textClass || ""); }
      }

      // Ensure at least a single node is present, for measuring.
      if (builder.map.length == 0)
        { builder.map.push(0, 0, builder.content.appendChild(zeroWidthElement(cm.display.measure))); }

      // Store the map and a cache object for the current logical line
      if (i == 0) {
        lineView.measure.map = builder.map;
        lineView.measure.cache = {};
      } else {
  (lineView.measure.maps || (lineView.measure.maps = [])).push(builder.map)
        ;(lineView.measure.caches || (lineView.measure.caches = [])).push({});
      }
    }

    // See issue #2901
    if (webkit) {
      var last = builder.content.lastChild;
      if (/\bcm-tab\b/.test(last.className) || (last.querySelector && last.querySelector(".cm-tab")))
        { builder.content.className = "cm-tab-wrap-hack"; }
    }

    signal(cm, "renderLine", cm, lineView.line, builder.pre);
    if (builder.pre.className)
      { builder.textClass = joinClasses(builder.pre.className, builder.textClass || ""); }

    return builder
  }

  function defaultSpecialCharPlaceholder(ch) {
    var token = elt("span", "\u2022", "cm-invalidchar");
    token.title = "\\u" + ch.charCodeAt(0).toString(16);
    token.setAttribute("aria-label", token.title);
    return token
  }

  // Build up the DOM representation for a single token, and add it to
  // the line map. Takes care to render special characters separately.
  function buildToken(builder, text, style, startStyle, endStyle, css, attributes) {
    if (!text) { return }
    var displayText = builder.splitSpaces ? splitSpaces(text, builder.trailingSpace) : text;
    var special = builder.cm.state.specialChars, mustWrap = false;
    var content;
    if (!special.test(text)) {
      builder.col += text.length;
      content = document.createTextNode(displayText);
      builder.map.push(builder.pos, builder.pos + text.length, content);
      if (ie && ie_version < 9) { mustWrap = true; }
      builder.pos += text.length;
    } else {
      content = document.createDocumentFragment();
      var pos = 0;
      while (true) {
        special.lastIndex = pos;
        var m = special.exec(text);
        var skipped = m ? m.index - pos : text.length - pos;
        if (skipped) {
          var txt = document.createTextNode(displayText.slice(pos, pos + skipped));
          if (ie && ie_version < 9) { content.appendChild(elt("span", [txt])); }
          else { content.appendChild(txt); }
          builder.map.push(builder.pos, builder.pos + skipped, txt);
          builder.col += skipped;
          builder.pos += skipped;
        }
        if (!m) { break }
        pos += skipped + 1;
        var txt$1 = (void 0);
        if (m[0] == "\t") {
          var tabSize = builder.cm.options.tabSize, tabWidth = tabSize - builder.col % tabSize;
          txt$1 = content.appendChild(elt("span", spaceStr(tabWidth), "cm-tab"));
          txt$1.setAttribute("role", "presentation");
          txt$1.setAttribute("cm-text", "\t");
          builder.col += tabWidth;
        } else if (m[0] == "\r" || m[0] == "\n") {
          txt$1 = content.appendChild(elt("span", m[0] == "\r" ? "\u240d" : "\u2424", "cm-invalidchar"));
          txt$1.setAttribute("cm-text", m[0]);
          builder.col += 1;
        } else {
          txt$1 = builder.cm.options.specialCharPlaceholder(m[0]);
          txt$1.setAttribute("cm-text", m[0]);
          if (ie && ie_version < 9) { content.appendChild(elt("span", [txt$1])); }
          else { content.appendChild(txt$1); }
          builder.col += 1;
        }
        builder.map.push(builder.pos, builder.pos + 1, txt$1);
        builder.pos++;
      }
    }
    builder.trailingSpace = displayText.charCodeAt(text.length - 1) == 32;
    if (style || startStyle || endStyle || mustWrap || css || attributes) {
      var fullStyle = style || "";
      if (startStyle) { fullStyle += startStyle; }
      if (endStyle) { fullStyle += endStyle; }
      var token = elt("span", [content], fullStyle, css);
      if (attributes) {
        for (var attr in attributes) { if (attributes.hasOwnProperty(attr) && attr != "style" && attr != "class")
          { token.setAttribute(attr, attributes[attr]); } }
      }
      return builder.content.appendChild(token)
    }
    builder.content.appendChild(content);
  }

  // Change some spaces to NBSP to prevent the browser from collapsing
  // trailing spaces at the end of a line when rendering text (issue #1362).
  function splitSpaces(text, trailingBefore) {
    if (text.length > 1 && !/  /.test(text)) { return text }
    var spaceBefore = trailingBefore, result = "";
    for (var i = 0; i < text.length; i++) {
      var ch = text.charAt(i);
      if (ch == " " && spaceBefore && (i == text.length - 1 || text.charCodeAt(i + 1) == 32))
        { ch = "\u00a0"; }
      result += ch;
      spaceBefore = ch == " ";
    }
    return result
  }

  // Work around nonsense dimensions being reported for stretches of
  // right-to-left text.
  function buildTokenBadBidi(inner, order) {
    return function (builder, text, style, startStyle, endStyle, css, attributes) {
      style = style ? style + " cm-force-border" : "cm-force-border";
      var start = builder.pos, end = start + text.length;
      for (;;) {
        // Find the part that overlaps with the start of this text
        var part = (void 0);
        for (var i = 0; i < order.length; i++) {
          part = order[i];
          if (part.to > start && part.from <= start) { break }
        }
        if (part.to >= end) { return inner(builder, text, style, startStyle, endStyle, css, attributes) }
        inner(builder, text.slice(0, part.to - start), style, startStyle, null, css, attributes);
        startStyle = null;
        text = text.slice(part.to - start);
        start = part.to;
      }
    }
  }

  function buildCollapsedSpan(builder, size, marker, ignoreWidget) {
    var widget = !ignoreWidget && marker.widgetNode;
    if (widget) { builder.map.push(builder.pos, builder.pos + size, widget); }
    if (!ignoreWidget && builder.cm.display.input.needsContentAttribute) {
      if (!widget)
        { widget = builder.content.appendChild(document.createElement("span")); }
      widget.setAttribute("cm-marker", marker.id);
    }
    if (widget) {
      builder.cm.display.input.setUneditable(widget);
      builder.content.appendChild(widget);
    }
    builder.pos += size;
    builder.trailingSpace = false;
  }

  // Outputs a number of spans to make up a line, taking highlighting
  // and marked text into account.
  function insertLineContent(line, builder, styles) {
    var spans = line.markedSpans, allText = line.text, at = 0;
    if (!spans) {
      for (var i$1 = 1; i$1 < styles.length; i$1+=2)
        { builder.addToken(builder, allText.slice(at, at = styles[i$1]), interpretTokenStyle(styles[i$1+1], builder.cm.options)); }
      return
    }

    var len = allText.length, pos = 0, i = 1, text = "", style, css;
    var nextChange = 0, spanStyle, spanEndStyle, spanStartStyle, collapsed, attributes;
    for (;;) {
      if (nextChange == pos) { // Update current marker set
        spanStyle = spanEndStyle = spanStartStyle = css = "";
        attributes = null;
        collapsed = null; nextChange = Infinity;
        var foundBookmarks = [], endStyles = (void 0);
        for (var j = 0; j < spans.length; ++j) {
          var sp = spans[j], m = sp.marker;
          if (m.type == "bookmark" && sp.from == pos && m.widgetNode) {
            foundBookmarks.push(m);
          } else if (sp.from <= pos && (sp.to == null || sp.to > pos || m.collapsed && sp.to == pos && sp.from == pos)) {
            if (sp.to != null && sp.to != pos && nextChange > sp.to) {
              nextChange = sp.to;
              spanEndStyle = "";
            }
            if (m.className) { spanStyle += " " + m.className; }
            if (m.css) { css = (css ? css + ";" : "") + m.css; }
            if (m.startStyle && sp.from == pos) { spanStartStyle += " " + m.startStyle; }
            if (m.endStyle && sp.to == nextChange) { (endStyles || (endStyles = [])).push(m.endStyle, sp.to); }
            // support for the old title property
            // https://github.com/codemirror/CodeMirror/pull/5673
            if (m.title) { (attributes || (attributes = {})).title = m.title; }
            if (m.attributes) {
              for (var attr in m.attributes)
                { (attributes || (attributes = {}))[attr] = m.attributes[attr]; }
            }
            if (m.collapsed && (!collapsed || compareCollapsedMarkers(collapsed.marker, m) < 0))
              { collapsed = sp; }
          } else if (sp.from > pos && nextChange > sp.from) {
            nextChange = sp.from;
          }
        }
        if (endStyles) { for (var j$1 = 0; j$1 < endStyles.length; j$1 += 2)
          { if (endStyles[j$1 + 1] == nextChange) { spanEndStyle += " " + endStyles[j$1]; } } }

        if (!collapsed || collapsed.from == pos) { for (var j$2 = 0; j$2 < foundBookmarks.length; ++j$2)
          { buildCollapsedSpan(builder, 0, foundBookmarks[j$2]); } }
        if (collapsed && (collapsed.from || 0) == pos) {
          buildCollapsedSpan(builder, (collapsed.to == null ? len + 1 : collapsed.to) - pos,
                             collapsed.marker, collapsed.from == null);
          if (collapsed.to == null) { return }
          if (collapsed.to == pos) { collapsed = false; }
        }
      }
      if (pos >= len) { break }

      var upto = Math.min(len, nextChange);
      while (true) {
        if (text) {
          var end = pos + text.length;
          if (!collapsed) {
            var tokenText = end > upto ? text.slice(0, upto - pos) : text;
            builder.addToken(builder, tokenText, style ? style + spanStyle : spanStyle,
                             spanStartStyle, pos + tokenText.length == nextChange ? spanEndStyle : "", css, attributes);
          }
          if (end >= upto) {text = text.slice(upto - pos); pos = upto; break}
          pos = end;
          spanStartStyle = "";
        }
        text = allText.slice(at, at = styles[i++]);
        style = interpretTokenStyle(styles[i++], builder.cm.options);
      }
    }
  }


  // These objects are used to represent the visible (currently drawn)
  // part of the document. A LineView may correspond to multiple
  // logical lines, if those are connected by collapsed ranges.
  function LineView(doc, line, lineN) {
    // The starting line
    this.line = line;
    // Continuing lines, if any
    this.rest = visualLineContinued(line);
    // Number of logical lines in this visual line
    this.size = this.rest ? lineNo(lst(this.rest)) - lineN + 1 : 1;
    this.node = this.text = null;
    this.hidden = lineIsHidden(doc, line);
  }

  // Create a range of LineView objects for the given lines.
  function buildViewArray(cm, from, to) {
    var array = [], nextPos;
    for (var pos = from; pos < to; pos = nextPos) {
      var view = new LineView(cm.doc, getLine(cm.doc, pos), pos);
      nextPos = pos + view.size;
      array.push(view);
    }
    return array
  }

  var operationGroup = null;

  function pushOperation(op) {
    if (operationGroup) {
      operationGroup.ops.push(op);
    } else {
      op.ownsGroup = operationGroup = {
        ops: [op],
        delayedCallbacks: []
      };
    }
  }

  function fireCallbacksForOps(group) {
    // Calls delayed callbacks and cursorActivity handlers until no
    // new ones appear
    var callbacks = group.delayedCallbacks, i = 0;
    do {
      for (; i < callbacks.length; i++)
        { callbacks[i].call(null); }
      for (var j = 0; j < group.ops.length; j++) {
        var op = group.ops[j];
        if (op.cursorActivityHandlers)
          { while (op.cursorActivityCalled < op.cursorActivityHandlers.length)
            { op.cursorActivityHandlers[op.cursorActivityCalled++].call(null, op.cm); } }
      }
    } while (i < callbacks.length)
  }

  function finishOperation(op, endCb) {
    var group = op.ownsGroup;
    if (!group) { return }

    try { fireCallbacksForOps(group); }
    finally {
      operationGroup = null;
      endCb(group);
    }
  }

  var orphanDelayedCallbacks = null;

  // Often, we want to signal events at a point where we are in the
  // middle of some work, but don't want the handler to start calling
  // other methods on the editor, which might be in an inconsistent
  // state or simply not expect any other events to happen.
  // signalLater looks whether there are any handlers, and schedules
  // them to be executed when the last operation ends, or, if no
  // operation is active, when a timeout fires.
  function signalLater(emitter, type /*, values...*/) {
    var arr = getHandlers(emitter, type);
    if (!arr.length) { return }
    var args = Array.prototype.slice.call(arguments, 2), list;
    if (operationGroup) {
      list = operationGroup.delayedCallbacks;
    } else if (orphanDelayedCallbacks) {
      list = orphanDelayedCallbacks;
    } else {
      list = orphanDelayedCallbacks = [];
      setTimeout(fireOrphanDelayed, 0);
    }
    var loop = function ( i ) {
      list.push(function () { return arr[i].apply(null, args); });
    };

    for (var i = 0; i < arr.length; ++i)
      loop( i );
  }

  function fireOrphanDelayed() {
    var delayed = orphanDelayedCallbacks;
    orphanDelayedCallbacks = null;
    for (var i = 0; i < delayed.length; ++i) { delayed[i](); }
  }

  // When an aspect of a line changes, a string is added to
  // lineView.changes. This updates the relevant part of the line's
  // DOM structure.
  function updateLineForChanges(cm, lineView, lineN, dims) {
    for (var j = 0; j < lineView.changes.length; j++) {
      var type = lineView.changes[j];
      if (type == "text") { updateLineText(cm, lineView); }
      else if (type == "gutter") { updateLineGutter(cm, lineView, lineN, dims); }
      else if (type == "class") { updateLineClasses(cm, lineView); }
      else if (type == "widget") { updateLineWidgets(cm, lineView, dims); }
    }
    lineView.changes = null;
  }

  // Lines with gutter elements, widgets or a background class need to
  // be wrapped, and have the extra elements added to the wrapper div
  function ensureLineWrapped(lineView) {
    if (lineView.node == lineView.text) {
      lineView.node = elt("div", null, null, "position: relative");
      if (lineView.text.parentNode)
        { lineView.text.parentNode.replaceChild(lineView.node, lineView.text); }
      lineView.node.appendChild(lineView.text);
      if (ie && ie_version < 8) { lineView.node.style.zIndex = 2; }
    }
    return lineView.node
  }

  function updateLineBackground(cm, lineView) {
    var cls = lineView.bgClass ? lineView.bgClass + " " + (lineView.line.bgClass || "") : lineView.line.bgClass;
    if (cls) { cls += " CodeMirror-linebackground"; }
    if (lineView.background) {
      if (cls) { lineView.background.className = cls; }
      else { lineView.background.parentNode.removeChild(lineView.background); lineView.background = null; }
    } else if (cls) {
      var wrap = ensureLineWrapped(lineView);
      lineView.background = wrap.insertBefore(elt("div", null, cls), wrap.firstChild);
      cm.display.input.setUneditable(lineView.background);
    }
  }

  // Wrapper around buildLineContent which will reuse the structure
  // in display.externalMeasured when possible.
  function getLineContent(cm, lineView) {
    var ext = cm.display.externalMeasured;
    if (ext && ext.line == lineView.line) {
      cm.display.externalMeasured = null;
      lineView.measure = ext.measure;
      return ext.built
    }
    return buildLineContent(cm, lineView)
  }

  // Redraw the line's text. Interacts with the background and text
  // classes because the mode may output tokens that influence these
  // classes.
  function updateLineText(cm, lineView) {
    var cls = lineView.text.className;
    var built = getLineContent(cm, lineView);
    if (lineView.text == lineView.node) { lineView.node = built.pre; }
    lineView.text.parentNode.replaceChild(built.pre, lineView.text);
    lineView.text = built.pre;
    if (built.bgClass != lineView.bgClass || built.textClass != lineView.textClass) {
      lineView.bgClass = built.bgClass;
      lineView.textClass = built.textClass;
      updateLineClasses(cm, lineView);
    } else if (cls) {
      lineView.text.className = cls;
    }
  }

  function updateLineClasses(cm, lineView) {
    updateLineBackground(cm, lineView);
    if (lineView.line.wrapClass)
      { ensureLineWrapped(lineView).className = lineView.line.wrapClass; }
    else if (lineView.node != lineView.text)
      { lineView.node.className = ""; }
    var textClass = lineView.textClass ? lineView.textClass + " " + (lineView.line.textClass || "") : lineView.line.textClass;
    lineView.text.className = textClass || "";
  }

  function updateLineGutter(cm, lineView, lineN, dims) {
    if (lineView.gutter) {
      lineView.node.removeChild(lineView.gutter);
      lineView.gutter = null;
    }
    if (lineView.gutterBackground) {
      lineView.node.removeChild(lineView.gutterBackground);
      lineView.gutterBackground = null;
    }
    if (lineView.line.gutterClass) {
      var wrap = ensureLineWrapped(lineView);
      lineView.gutterBackground = elt("div", null, "CodeMirror-gutter-background " + lineView.line.gutterClass,
                                      ("left: " + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px; width: " + (dims.gutterTotalWidth) + "px"));
      cm.display.input.setUneditable(lineView.gutterBackground);
      wrap.insertBefore(lineView.gutterBackground, lineView.text);
    }
    var markers = lineView.line.gutterMarkers;
    if (cm.options.lineNumbers || markers) {
      var wrap$1 = ensureLineWrapped(lineView);
      var gutterWrap = lineView.gutter = elt("div", null, "CodeMirror-gutter-wrapper", ("left: " + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px"));
      cm.display.input.setUneditable(gutterWrap);
      wrap$1.insertBefore(gutterWrap, lineView.text);
      if (lineView.line.gutterClass)
        { gutterWrap.className += " " + lineView.line.gutterClass; }
      if (cm.options.lineNumbers && (!markers || !markers["CodeMirror-linenumbers"]))
        { lineView.lineNumber = gutterWrap.appendChild(
          elt("div", lineNumberFor(cm.options, lineN),
              "CodeMirror-linenumber CodeMirror-gutter-elt",
              ("left: " + (dims.gutterLeft["CodeMirror-linenumbers"]) + "px; width: " + (cm.display.lineNumInnerWidth) + "px"))); }
      if (markers) { for (var k = 0; k < cm.display.gutterSpecs.length; ++k) {
        var id = cm.display.gutterSpecs[k].className, found = markers.hasOwnProperty(id) && markers[id];
        if (found)
          { gutterWrap.appendChild(elt("div", [found], "CodeMirror-gutter-elt",
                                     ("left: " + (dims.gutterLeft[id]) + "px; width: " + (dims.gutterWidth[id]) + "px"))); }
      } }
    }
  }

  function updateLineWidgets(cm, lineView, dims) {
    if (lineView.alignable) { lineView.alignable = null; }
    var isWidget = classTest("CodeMirror-linewidget");
    for (var node = lineView.node.firstChild, next = (void 0); node; node = next) {
      next = node.nextSibling;
      if (isWidget.test(node.className)) { lineView.node.removeChild(node); }
    }
    insertLineWidgets(cm, lineView, dims);
  }

  // Build a line's DOM representation from scratch
  function buildLineElement(cm, lineView, lineN, dims) {
    var built = getLineContent(cm, lineView);
    lineView.text = lineView.node = built.pre;
    if (built.bgClass) { lineView.bgClass = built.bgClass; }
    if (built.textClass) { lineView.textClass = built.textClass; }

    updateLineClasses(cm, lineView);
    updateLineGutter(cm, lineView, lineN, dims);
    insertLineWidgets(cm, lineView, dims);
    return lineView.node
  }

  // A lineView may contain multiple logical lines (when merged by
  // collapsed spans). The widgets for all of them need to be drawn.
  function insertLineWidgets(cm, lineView, dims) {
    insertLineWidgetsFor(cm, lineView.line, lineView, dims, true);
    if (lineView.rest) { for (var i = 0; i < lineView.rest.length; i++)
      { insertLineWidgetsFor(cm, lineView.rest[i], lineView, dims, false); } }
  }

  function insertLineWidgetsFor(cm, line, lineView, dims, allowAbove) {
    if (!line.widgets) { return }
    var wrap = ensureLineWrapped(lineView);
    for (var i = 0, ws = line.widgets; i < ws.length; ++i) {
      var widget = ws[i], node = elt("div", [widget.node], "CodeMirror-linewidget" + (widget.className ? " " + widget.className : ""));
      if (!widget.handleMouseEvents) { node.setAttribute("cm-ignore-events", "true"); }
      positionLineWidget(widget, node, lineView, dims);
      cm.display.input.setUneditable(node);
      if (allowAbove && widget.above)
        { wrap.insertBefore(node, lineView.gutter || lineView.text); }
      else
        { wrap.appendChild(node); }
      signalLater(widget, "redraw");
    }
  }

  function positionLineWidget(widget, node, lineView, dims) {
    if (widget.noHScroll) {
  (lineView.alignable || (lineView.alignable = [])).push(node);
      var width = dims.wrapperWidth;
      node.style.left = dims.fixedPos + "px";
      if (!widget.coverGutter) {
        width -= dims.gutterTotalWidth;
        node.style.paddingLeft = dims.gutterTotalWidth + "px";
      }
      node.style.width = width + "px";
    }
    if (widget.coverGutter) {
      node.style.zIndex = 5;
      node.style.position = "relative";
      if (!widget.noHScroll) { node.style.marginLeft = -dims.gutterTotalWidth + "px"; }
    }
  }

  function widgetHeight(widget) {
    if (widget.height != null) { return widget.height }
    var cm = widget.doc.cm;
    if (!cm) { return 0 }
    if (!contains(document.body, widget.node)) {
      var parentStyle = "position: relative;";
      if (widget.coverGutter)
        { parentStyle += "margin-left: -" + cm.display.gutters.offsetWidth + "px;"; }
      if (widget.noHScroll)
        { parentStyle += "width: " + cm.display.wrapper.clientWidth + "px;"; }
      removeChildrenAndAdd(cm.display.measure, elt("div", [widget.node], null, parentStyle));
    }
    return widget.height = widget.node.parentNode.offsetHeight
  }

  // Return true when the given mouse event happened in a widget
  function eventInWidget(display, e) {
    for (var n = e_target(e); n != display.wrapper; n = n.parentNode) {
      if (!n || (n.nodeType == 1 && n.getAttribute("cm-ignore-events") == "true") ||
          (n.parentNode == display.sizer && n != display.mover))
        { return true }
    }
  }

  // POSITION MEASUREMENT

  function paddingTop(display) {return display.lineSpace.offsetTop}
  function paddingVert(display) {return display.mover.offsetHeight - display.lineSpace.offsetHeight}
  function paddingH(display) {
    if (display.cachedPaddingH) { return display.cachedPaddingH }
    var e = removeChildrenAndAdd(display.measure, elt("pre", "x", "CodeMirror-line-like"));
    var style = window.getComputedStyle ? window.getComputedStyle(e) : e.currentStyle;
    var data = {left: parseInt(style.paddingLeft), right: parseInt(style.paddingRight)};
    if (!isNaN(data.left) && !isNaN(data.right)) { display.cachedPaddingH = data; }
    return data
  }

  function scrollGap(cm) { return scrollerGap - cm.display.nativeBarWidth }
  function displayWidth(cm) {
    return cm.display.scroller.clientWidth - scrollGap(cm) - cm.display.barWidth
  }
  function displayHeight(cm) {
    return cm.display.scroller.clientHeight - scrollGap(cm) - cm.display.barHeight
  }

  // Ensure the lineView.wrapping.heights array is populated. This is
  // an array of bottom offsets for the lines that make up a drawn
  // line. When lineWrapping is on, there might be more than one
  // height.
  function ensureLineHeights(cm, lineView, rect) {
    var wrapping = cm.options.lineWrapping;
    var curWidth = wrapping && displayWidth(cm);
    if (!lineView.measure.heights || wrapping && lineView.measure.width != curWidth) {
      var heights = lineView.measure.heights = [];
      if (wrapping) {
        lineView.measure.width = curWidth;
        var rects = lineView.text.firstChild.getClientRects();
        for (var i = 0; i < rects.length - 1; i++) {
          var cur = rects[i], next = rects[i + 1];
          if (Math.abs(cur.bottom - next.bottom) > 2)
            { heights.push((cur.bottom + next.top) / 2 - rect.top); }
        }
      }
      heights.push(rect.bottom - rect.top);
    }
  }

  // Find a line map (mapping character offsets to text nodes) and a
  // measurement cache for the given line number. (A line view might
  // contain multiple lines when collapsed ranges are present.)
  function mapFromLineView(lineView, line, lineN) {
    if (lineView.line == line)
      { return {map: lineView.measure.map, cache: lineView.measure.cache} }
    for (var i = 0; i < lineView.rest.length; i++)
      { if (lineView.rest[i] == line)
        { return {map: lineView.measure.maps[i], cache: lineView.measure.caches[i]} } }
    for (var i$1 = 0; i$1 < lineView.rest.length; i$1++)
      { if (lineNo(lineView.rest[i$1]) > lineN)
        { return {map: lineView.measure.maps[i$1], cache: lineView.measure.caches[i$1], before: true} } }
  }

  // Render a line into the hidden node display.externalMeasured. Used
  // when measurement is needed for a line that's not in the viewport.
  function updateExternalMeasurement(cm, line) {
    line = visualLine(line);
    var lineN = lineNo(line);
    var view = cm.display.externalMeasured = new LineView(cm.doc, line, lineN);
    view.lineN = lineN;
    var built = view.built = buildLineContent(cm, view);
    view.text = built.pre;
    removeChildrenAndAdd(cm.display.lineMeasure, built.pre);
    return view
  }

  // Get a {top, bottom, left, right} box (in line-local coordinates)
  // for a given character.
  function measureChar(cm, line, ch, bias) {
    return measureCharPrepared(cm, prepareMeasureForLine(cm, line), ch, bias)
  }

  // Find a line view that corresponds to the given line number.
  function findViewForLine(cm, lineN) {
    if (lineN >= cm.display.viewFrom && lineN < cm.display.viewTo)
      { return cm.display.view[findViewIndex(cm, lineN)] }
    var ext = cm.display.externalMeasured;
    if (ext && lineN >= ext.lineN && lineN < ext.lineN + ext.size)
      { return ext }
  }

  // Measurement can be split in two steps, the set-up work that
  // applies to the whole line, and the measurement of the actual
  // character. Functions like coordsChar, that need to do a lot of
  // measurements in a row, can thus ensure that the set-up work is
  // only done once.
  function prepareMeasureForLine(cm, line) {
    var lineN = lineNo(line);
    var view = findViewForLine(cm, lineN);
    if (view && !view.text) {
      view = null;
    } else if (view && view.changes) {
      updateLineForChanges(cm, view, lineN, getDimensions(cm));
      cm.curOp.forceUpdate = true;
    }
    if (!view)
      { view = updateExternalMeasurement(cm, line); }

    var info = mapFromLineView(view, line, lineN);
    return {
      line: line, view: view, rect: null,
      map: info.map, cache: info.cache, before: info.before,
      hasHeights: false
    }
  }

  // Given a prepared measurement object, measures the position of an
  // actual character (or fetches it from the cache).
  function measureCharPrepared(cm, prepared, ch, bias, varHeight) {
    if (prepared.before) { ch = -1; }
    var key = ch + (bias || ""), found;
    if (prepared.cache.hasOwnProperty(key)) {
      found = prepared.cache[key];
    } else {
      if (!prepared.rect)
        { prepared.rect = prepared.view.text.getBoundingClientRect(); }
      if (!prepared.hasHeights) {
        ensureLineHeights(cm, prepared.view, prepared.rect);
        prepared.hasHeights = true;
      }
      found = measureCharInner(cm, prepared, ch, bias);
      if (!found.bogus) { prepared.cache[key] = found; }
    }
    return {left: found.left, right: found.right,
            top: varHeight ? found.rtop : found.top,
            bottom: varHeight ? found.rbottom : found.bottom}
  }

  var nullRect = {left: 0, right: 0, top: 0, bottom: 0};

  function nodeAndOffsetInLineMap(map, ch, bias) {
    var node, start, end, collapse, mStart, mEnd;
    // First, search the line map for the text node corresponding to,
    // or closest to, the target character.
    for (var i = 0; i < map.length; i += 3) {
      mStart = map[i];
      mEnd = map[i + 1];
      if (ch < mStart) {
        start = 0; end = 1;
        collapse = "left";
      } else if (ch < mEnd) {
        start = ch - mStart;
        end = start + 1;
      } else if (i == map.length - 3 || ch == mEnd && map[i + 3] > ch) {
        end = mEnd - mStart;
        start = end - 1;
        if (ch >= mEnd) { collapse = "right"; }
      }
      if (start != null) {
        node = map[i + 2];
        if (mStart == mEnd && bias == (node.insertLeft ? "left" : "right"))
          { collapse = bias; }
        if (bias == "left" && start == 0)
          { while (i && map[i - 2] == map[i - 3] && map[i - 1].insertLeft) {
            node = map[(i -= 3) + 2];
            collapse = "left";
          } }
        if (bias == "right" && start == mEnd - mStart)
          { while (i < map.length - 3 && map[i + 3] == map[i + 4] && !map[i + 5].insertLeft) {
            node = map[(i += 3) + 2];
            collapse = "right";
          } }
        break
      }
    }
    return {node: node, start: start, end: end, collapse: collapse, coverStart: mStart, coverEnd: mEnd}
  }

  function getUsefulRect(rects, bias) {
    var rect = nullRect;
    if (bias == "left") { for (var i = 0; i < rects.length; i++) {
      if ((rect = rects[i]).left != rect.right) { break }
    } } else { for (var i$1 = rects.length - 1; i$1 >= 0; i$1--) {
      if ((rect = rects[i$1]).left != rect.right) { break }
    } }
    return rect
  }

  function measureCharInner(cm, prepared, ch, bias) {
    var place = nodeAndOffsetInLineMap(prepared.map, ch, bias);
    var node = place.node, start = place.start, end = place.end, collapse = place.collapse;

    var rect;
    if (node.nodeType == 3) { // If it is a text node, use a range to retrieve the coordinates.
      for (var i$1 = 0; i$1 < 4; i$1++) { // Retry a maximum of 4 times when nonsense rectangles are returned
        while (start && isExtendingChar(prepared.line.text.charAt(place.coverStart + start))) { --start; }
        while (place.coverStart + end < place.coverEnd && isExtendingChar(prepared.line.text.charAt(place.coverStart + end))) { ++end; }
        if (ie && ie_version < 9 && start == 0 && end == place.coverEnd - place.coverStart)
          { rect = node.parentNode.getBoundingClientRect(); }
        else
          { rect = getUsefulRect(range(node, start, end).getClientRects(), bias); }
        if (rect.left || rect.right || start == 0) { break }
        end = start;
        start = start - 1;
        collapse = "right";
      }
      if (ie && ie_version < 11) { rect = maybeUpdateRectForZooming(cm.display.measure, rect); }
    } else { // If it is a widget, simply get the box for the whole widget.
      if (start > 0) { collapse = bias = "right"; }
      var rects;
      if (cm.options.lineWrapping && (rects = node.getClientRects()).length > 1)
        { rect = rects[bias == "right" ? rects.length - 1 : 0]; }
      else
        { rect = node.getBoundingClientRect(); }
    }
    if (ie && ie_version < 9 && !start && (!rect || !rect.left && !rect.right)) {
      var rSpan = node.parentNode.getClientRects()[0];
      if (rSpan)
        { rect = {left: rSpan.left, right: rSpan.left + charWidth(cm.display), top: rSpan.top, bottom: rSpan.bottom}; }
      else
        { rect = nullRect; }
    }

    var rtop = rect.top - prepared.rect.top, rbot = rect.bottom - prepared.rect.top;
    var mid = (rtop + rbot) / 2;
    var heights = prepared.view.measure.heights;
    var i = 0;
    for (; i < heights.length - 1; i++)
      { if (mid < heights[i]) { break } }
    var top = i ? heights[i - 1] : 0, bot = heights[i];
    var result = {left: (collapse == "right" ? rect.right : rect.left) - prepared.rect.left,
                  right: (collapse == "left" ? rect.left : rect.right) - prepared.rect.left,
                  top: top, bottom: bot};
    if (!rect.left && !rect.right) { result.bogus = true; }
    if (!cm.options.singleCursorHeightPerLine) { result.rtop = rtop; result.rbottom = rbot; }

    return result
  }

  // Work around problem with bounding client rects on ranges being
  // returned incorrectly when zoomed on IE10 and below.
  function maybeUpdateRectForZooming(measure, rect) {
    if (!window.screen || screen.logicalXDPI == null ||
        screen.logicalXDPI == screen.deviceXDPI || !hasBadZoomedRects(measure))
      { return rect }
    var scaleX = screen.logicalXDPI / screen.deviceXDPI;
    var scaleY = screen.logicalYDPI / screen.deviceYDPI;
    return {left: rect.left * scaleX, right: rect.right * scaleX,
            top: rect.top * scaleY, bottom: rect.bottom * scaleY}
  }

  function clearLineMeasurementCacheFor(lineView) {
    if (lineView.measure) {
      lineView.measure.cache = {};
      lineView.measure.heights = null;
      if (lineView.rest) { for (var i = 0; i < lineView.rest.length; i++)
        { lineView.measure.caches[i] = {}; } }
    }
  }

  function clearLineMeasurementCache(cm) {
    cm.display.externalMeasure = null;
    removeChildren(cm.display.lineMeasure);
    for (var i = 0; i < cm.display.view.length; i++)
      { clearLineMeasurementCacheFor(cm.display.view[i]); }
  }

  function clearCaches(cm) {
    clearLineMeasurementCache(cm);
    cm.display.cachedCharWidth = cm.display.cachedTextHeight = cm.display.cachedPaddingH = null;
    if (!cm.options.lineWrapping) { cm.display.maxLineChanged = true; }
    cm.display.lineNumChars = null;
  }

  function pageScrollX() {
    // Work around https://bugs.chromium.org/p/chromium/issues/detail?id=489206
    // which causes page_Offset and bounding client rects to use
    // different reference viewports and invalidate our calculations.
    if (chrome && android) { return -(document.body.getBoundingClientRect().left - parseInt(getComputedStyle(document.body).marginLeft)) }
    return window.pageXOffset || (document.documentElement || document.body).scrollLeft
  }
  function pageScrollY() {
    if (chrome && android) { return -(document.body.getBoundingClientRect().top - parseInt(getComputedStyle(document.body).marginTop)) }
    return window.pageYOffset || (document.documentElement || document.body).scrollTop
  }

  function widgetTopHeight(lineObj) {
    var height = 0;
    if (lineObj.widgets) { for (var i = 0; i < lineObj.widgets.length; ++i) { if (lineObj.widgets[i].above)
      { height += widgetHeight(lineObj.widgets[i]); } } }
    return height
  }

  // Converts a {top, bottom, left, right} box from line-local
  // coordinates into another coordinate system. Context may be one of
  // "line", "div" (display.lineDiv), "local"./null (editor), "window",
  // or "page".
  function intoCoordSystem(cm, lineObj, rect, context, includeWidgets) {
    if (!includeWidgets) {
      var height = widgetTopHeight(lineObj);
      rect.top += height; rect.bottom += height;
    }
    if (context == "line") { return rect }
    if (!context) { context = "local"; }
    var yOff = heightAtLine(lineObj);
    if (context == "local") { yOff += paddingTop(cm.display); }
    else { yOff -= cm.display.viewOffset; }
    if (context == "page" || context == "window") {
      var lOff = cm.display.lineSpace.getBoundingClientRect();
      yOff += lOff.top + (context == "window" ? 0 : pageScrollY());
      var xOff = lOff.left + (context == "window" ? 0 : pageScrollX());
      rect.left += xOff; rect.right += xOff;
    }
    rect.top += yOff; rect.bottom += yOff;
    return rect
  }

  // Coverts a box from "div" coords to another coordinate system.
  // Context may be "window", "page", "div", or "local"./null.
  function fromCoordSystem(cm, coords, context) {
    if (context == "div") { return coords }
    var left = coords.left, top = coords.top;
    // First move into "page" coordinate system
    if (context == "page") {
      left -= pageScrollX();
      top -= pageScrollY();
    } else if (context == "local" || !context) {
      var localBox = cm.display.sizer.getBoundingClientRect();
      left += localBox.left;
      top += localBox.top;
    }

    var lineSpaceBox = cm.display.lineSpace.getBoundingClientRect();
    return {left: left - lineSpaceBox.left, top: top - lineSpaceBox.top}
  }

  function charCoords(cm, pos, context, lineObj, bias) {
    if (!lineObj) { lineObj = getLine(cm.doc, pos.line); }
    return intoCoordSystem(cm, lineObj, measureChar(cm, lineObj, pos.ch, bias), context)
  }

  // Returns a box for a given cursor position, which may have an
  // 'other' property containing the position of the secondary cursor
  // on a bidi boundary.
  // A cursor Pos(line, char, "before") is on the same visual line as `char - 1`
  // and after `char - 1` in writing order of `char - 1`
  // A cursor Pos(line, char, "after") is on the same visual line as `char`
  // and before `char` in writing order of `char`
  // Examples (upper-case letters are RTL, lower-case are LTR):
  //     Pos(0, 1, ...)
  //     before   after
  // ab     a|b     a|b
  // aB     a|B     aB|
  // Ab     |Ab     A|b
  // AB     B|A     B|A
  // Every position after the last character on a line is considered to stick
  // to the last character on the line.
  function cursorCoords(cm, pos, context, lineObj, preparedMeasure, varHeight) {
    lineObj = lineObj || getLine(cm.doc, pos.line);
    if (!preparedMeasure) { preparedMeasure = prepareMeasureForLine(cm, lineObj); }
    function get(ch, right) {
      var m = measureCharPrepared(cm, preparedMeasure, ch, right ? "right" : "left", varHeight);
      if (right) { m.left = m.right; } else { m.right = m.left; }
      return intoCoordSystem(cm, lineObj, m, context)
    }
    var order = getOrder(lineObj, cm.doc.direction), ch = pos.ch, sticky = pos.sticky;
    if (ch >= lineObj.text.length) {
      ch = lineObj.text.length;
      sticky = "before";
    } else if (ch <= 0) {
      ch = 0;
      sticky = "after";
    }
    if (!order) { return get(sticky == "before" ? ch - 1 : ch, sticky == "before") }

    function getBidi(ch, partPos, invert) {
      var part = order[partPos], right = part.level == 1;
      return get(invert ? ch - 1 : ch, right != invert)
    }
    var partPos = getBidiPartAt(order, ch, sticky);
    var other = bidiOther;
    var val = getBidi(ch, partPos, sticky == "before");
    if (other != null) { val.other = getBidi(ch, other, sticky != "before"); }
    return val
  }

  // Used to cheaply estimate the coordinates for a position. Used for
  // intermediate scroll updates.
  function estimateCoords(cm, pos) {
    var left = 0;
    pos = clipPos(cm.doc, pos);
    if (!cm.options.lineWrapping) { left = charWidth(cm.display) * pos.ch; }
    var lineObj = getLine(cm.doc, pos.line);
    var top = heightAtLine(lineObj) + paddingTop(cm.display);
    return {left: left, right: left, top: top, bottom: top + lineObj.height}
  }

  // Positions returned by coordsChar contain some extra information.
  // xRel is the relative x position of the input coordinates compared
  // to the found position (so xRel > 0 means the coordinates are to
  // the right of the character position, for example). When outside
  // is true, that means the coordinates lie outside the line's
  // vertical range.
  function PosWithInfo(line, ch, sticky, outside, xRel) {
    var pos = Pos(line, ch, sticky);
    pos.xRel = xRel;
    if (outside) { pos.outside = outside; }
    return pos
  }

  // Compute the character position closest to the given coordinates.
  // Input must be lineSpace-local ("div" coordinate system).
  function coordsChar(cm, x, y) {
    var doc = cm.doc;
    y += cm.display.viewOffset;
    if (y < 0) { return PosWithInfo(doc.first, 0, null, -1, -1) }
    var lineN = lineAtHeight(doc, y), last = doc.first + doc.size - 1;
    if (lineN > last)
      { return PosWithInfo(doc.first + doc.size - 1, getLine(doc, last).text.length, null, 1, 1) }
    if (x < 0) { x = 0; }

    var lineObj = getLine(doc, lineN);
    for (;;) {
      var found = coordsCharInner(cm, lineObj, lineN, x, y);
      var collapsed = collapsedSpanAround(lineObj, found.ch + (found.xRel > 0 || found.outside > 0 ? 1 : 0));
      if (!collapsed) { return found }
      var rangeEnd = collapsed.find(1);
      if (rangeEnd.line == lineN) { return rangeEnd }
      lineObj = getLine(doc, lineN = rangeEnd.line);
    }
  }

  function wrappedLineExtent(cm, lineObj, preparedMeasure, y) {
    y -= widgetTopHeight(lineObj);
    var end = lineObj.text.length;
    var begin = findFirst(function (ch) { return measureCharPrepared(cm, preparedMeasure, ch - 1).bottom <= y; }, end, 0);
    end = findFirst(function (ch) { return measureCharPrepared(cm, preparedMeasure, ch).top > y; }, begin, end);
    return {begin: begin, end: end}
  }

  function wrappedLineExtentChar(cm, lineObj, preparedMeasure, target) {
    if (!preparedMeasure) { preparedMeasure = prepareMeasureForLine(cm, lineObj); }
    var targetTop = intoCoordSystem(cm, lineObj, measureCharPrepared(cm, preparedMeasure, target), "line").top;
    return wrappedLineExtent(cm, lineObj, preparedMeasure, targetTop)
  }

  // Returns true if the given side of a box is after the given
  // coordinates, in top-to-bottom, left-to-right order.
  function boxIsAfter(box, x, y, left) {
    return box.bottom <= y ? false : box.top > y ? true : (left ? box.left : box.right) > x
  }

  function coordsCharInner(cm, lineObj, lineNo, x, y) {
    // Move y into line-local coordinate space
    y -= heightAtLine(lineObj);
    var preparedMeasure = prepareMeasureForLine(cm, lineObj);
    // When directly calling `measureCharPrepared`, we have to adjust
    // for the widgets at this line.
    var widgetHeight = widgetTopHeight(lineObj);
    var begin = 0, end = lineObj.text.length, ltr = true;

    var order = getOrder(lineObj, cm.doc.direction);
    // If the line isn't plain left-to-right text, first figure out
    // which bidi section the coordinates fall into.
    if (order) {
      var part = (cm.options.lineWrapping ? coordsBidiPartWrapped : coordsBidiPart)
                   (cm, lineObj, lineNo, preparedMeasure, order, x, y);
      ltr = part.level != 1;
      // The awkward -1 offsets are needed because findFirst (called
      // on these below) will treat its first bound as inclusive,
      // second as exclusive, but we want to actually address the
      // characters in the part's range
      begin = ltr ? part.from : part.to - 1;
      end = ltr ? part.to : part.from - 1;
    }

    // A binary search to find the first character whose bounding box
    // starts after the coordinates. If we run across any whose box wrap
    // the coordinates, store that.
    var chAround = null, boxAround = null;
    var ch = findFirst(function (ch) {
      var box = measureCharPrepared(cm, preparedMeasure, ch);
      box.top += widgetHeight; box.bottom += widgetHeight;
      if (!boxIsAfter(box, x, y, false)) { return false }
      if (box.top <= y && box.left <= x) {
        chAround = ch;
        boxAround = box;
      }
      return true
    }, begin, end);

    var baseX, sticky, outside = false;
    // If a box around the coordinates was found, use that
    if (boxAround) {
      // Distinguish coordinates nearer to the left or right side of the box
      var atLeft = x - boxAround.left < boxAround.right - x, atStart = atLeft == ltr;
      ch = chAround + (atStart ? 0 : 1);
      sticky = atStart ? "after" : "before";
      baseX = atLeft ? boxAround.left : boxAround.right;
    } else {
      // (Adjust for extended bound, if necessary.)
      if (!ltr && (ch == end || ch == begin)) { ch++; }
      // To determine which side to associate with, get the box to the
      // left of the character and compare it's vertical position to the
      // coordinates
      sticky = ch == 0 ? "after" : ch == lineObj.text.length ? "before" :
        (measureCharPrepared(cm, preparedMeasure, ch - (ltr ? 1 : 0)).bottom + widgetHeight <= y) == ltr ?
        "after" : "before";
      // Now get accurate coordinates for this place, in order to get a
      // base X position
      var coords = cursorCoords(cm, Pos(lineNo, ch, sticky), "line", lineObj, preparedMeasure);
      baseX = coords.left;
      outside = y < coords.top ? -1 : y >= coords.bottom ? 1 : 0;
    }

    ch = skipExtendingChars(lineObj.text, ch, 1);
    return PosWithInfo(lineNo, ch, sticky, outside, x - baseX)
  }

  function coordsBidiPart(cm, lineObj, lineNo, preparedMeasure, order, x, y) {
    // Bidi parts are sorted left-to-right, and in a non-line-wrapping
    // situation, we can take this ordering to correspond to the visual
    // ordering. This finds the first part whose end is after the given
    // coordinates.
    var index = findFirst(function (i) {
      var part = order[i], ltr = part.level != 1;
      return boxIsAfter(cursorCoords(cm, Pos(lineNo, ltr ? part.to : part.from, ltr ? "before" : "after"),
                                     "line", lineObj, preparedMeasure), x, y, true)
    }, 0, order.length - 1);
    var part = order[index];
    // If this isn't the first part, the part's start is also after
    // the coordinates, and the coordinates aren't on the same line as
    // that start, move one part back.
    if (index > 0) {
      var ltr = part.level != 1;
      var start = cursorCoords(cm, Pos(lineNo, ltr ? part.from : part.to, ltr ? "after" : "before"),
                               "line", lineObj, preparedMeasure);
      if (boxIsAfter(start, x, y, true) && start.top > y)
        { part = order[index - 1]; }
    }
    return part
  }

  function coordsBidiPartWrapped(cm, lineObj, _lineNo, preparedMeasure, order, x, y) {
    // In a wrapped line, rtl text on wrapping boundaries can do things
    // that don't correspond to the ordering in our `order` array at
    // all, so a binary search doesn't work, and we want to return a
    // part that only spans one line so that the binary search in
    // coordsCharInner is safe. As such, we first find the extent of the
    // wrapped line, and then do a flat search in which we discard any
    // spans that aren't on the line.
    var ref = wrappedLineExtent(cm, lineObj, preparedMeasure, y);
    var begin = ref.begin;
    var end = ref.end;
    if (/\s/.test(lineObj.text.charAt(end - 1))) { end--; }
    var part = null, closestDist = null;
    for (var i = 0; i < order.length; i++) {
      var p = order[i];
      if (p.from >= end || p.to <= begin) { continue }
      var ltr = p.level != 1;
      var endX = measureCharPrepared(cm, preparedMeasure, ltr ? Math.min(end, p.to) - 1 : Math.max(begin, p.from)).right;
      // Weigh against spans ending before this, so that they are only
      // picked if nothing ends after
      var dist = endX < x ? x - endX + 1e9 : endX - x;
      if (!part || closestDist > dist) {
        part = p;
        closestDist = dist;
      }
    }
    if (!part) { part = order[order.length - 1]; }
    // Clip the part to the wrapped line.
    if (part.from < begin) { part = {from: begin, to: part.to, level: part.level}; }
    if (part.to > end) { part = {from: part.from, to: end, level: part.level}; }
    return part
  }

  var measureText;
  // Compute the default text height.
  function textHeight(display) {
    if (display.cachedTextHeight != null) { return display.cachedTextHeight }
    if (measureText == null) {
      measureText = elt("pre", null, "CodeMirror-line-like");
      // Measure a bunch of lines, for browsers that compute
      // fractional heights.
      for (var i = 0; i < 49; ++i) {
        measureText.appendChild(document.createTextNode("x"));
        measureText.appendChild(elt("br"));
      }
      measureText.appendChild(document.createTextNode("x"));
    }
    removeChildrenAndAdd(display.measure, measureText);
    var height = measureText.offsetHeight / 50;
    if (height > 3) { display.cachedTextHeight = height; }
    removeChildren(display.measure);
    return height || 1
  }

  // Compute the default character width.
  function charWidth(display) {
    if (display.cachedCharWidth != null) { return display.cachedCharWidth }
    var anchor = elt("span", "xxxxxxxxxx");
    var pre = elt("pre", [anchor], "CodeMirror-line-like");
    removeChildrenAndAdd(display.measure, pre);
    var rect = anchor.getBoundingClientRect(), width = (rect.right - rect.left) / 10;
    if (width > 2) { display.cachedCharWidth = width; }
    return width || 10
  }

  // Do a bulk-read of the DOM positions and sizes needed to draw the
  // view, so that we don't interleave reading and writing to the DOM.
  function getDimensions(cm) {
    var d = cm.display, left = {}, width = {};
    var gutterLeft = d.gutters.clientLeft;
    for (var n = d.gutters.firstChild, i = 0; n; n = n.nextSibling, ++i) {
      var id = cm.display.gutterSpecs[i].className;
      left[id] = n.offsetLeft + n.clientLeft + gutterLeft;
      width[id] = n.clientWidth;
    }
    return {fixedPos: compensateForHScroll(d),
            gutterTotalWidth: d.gutters.offsetWidth,
            gutterLeft: left,
            gutterWidth: width,
            wrapperWidth: d.wrapper.clientWidth}
  }

  // Computes display.scroller.scrollLeft + display.gutters.offsetWidth,
  // but using getBoundingClientRect to get a sub-pixel-accurate
  // result.
  function compensateForHScroll(display) {
    return display.scroller.getBoundingClientRect().left - display.sizer.getBoundingClientRect().left
  }

  // Returns a function that estimates the height of a line, to use as
  // first approximation until the line becomes visible (and is thus
  // properly measurable).
  function estimateHeight(cm) {
    var th = textHeight(cm.display), wrapping = cm.options.lineWrapping;
    var perLine = wrapping && Math.max(5, cm.display.scroller.clientWidth / charWidth(cm.display) - 3);
    return function (line) {
      if (lineIsHidden(cm.doc, line)) { return 0 }

      var widgetsHeight = 0;
      if (line.widgets) { for (var i = 0; i < line.widgets.length; i++) {
        if (line.widgets[i].height) { widgetsHeight += line.widgets[i].height; }
      } }

      if (wrapping)
        { return widgetsHeight + (Math.ceil(line.text.length / perLine) || 1) * th }
      else
        { return widgetsHeight + th }
    }
  }

  function estimateLineHeights(cm) {
    var doc = cm.doc, est = estimateHeight(cm);
    doc.iter(function (line) {
      var estHeight = est(line);
      if (estHeight != line.height) { updateLineHeight(line, estHeight); }
    });
  }

  // Given a mouse event, find the corresponding position. If liberal
  // is false, it checks whether a gutter or scrollbar was clicked,
  // and returns null if it was. forRect is used by rectangular
  // selections, and tries to estimate a character position even for
  // coordinates beyond the right of the text.
  function posFromMouse(cm, e, liberal, forRect) {
    var display = cm.display;
    if (!liberal && e_target(e).getAttribute("cm-not-content") == "true") { return null }

    var x, y, space = display.lineSpace.getBoundingClientRect();
    // Fails unpredictably on IE[67] when mouse is dragged around quickly.
    try { x = e.clientX - space.left; y = e.clientY - space.top; }
    catch (e$1) { return null }
    var coords = coordsChar(cm, x, y), line;
    if (forRect && coords.xRel > 0 && (line = getLine(cm.doc, coords.line).text).length == coords.ch) {
      var colDiff = countColumn(line, line.length, cm.options.tabSize) - line.length;
      coords = Pos(coords.line, Math.max(0, Math.round((x - paddingH(cm.display).left) / charWidth(cm.display)) - colDiff));
    }
    return coords
  }

  // Find the view element corresponding to a given line. Return null
  // when the line isn't visible.
  function findViewIndex(cm, n) {
    if (n >= cm.display.viewTo) { return null }
    n -= cm.display.viewFrom;
    if (n < 0) { return null }
    var view = cm.display.view;
    for (var i = 0; i < view.length; i++) {
      n -= view[i].size;
      if (n < 0) { return i }
    }
  }

  // Updates the display.view data structure for a given change to the
  // document. From and to are in pre-change coordinates. Lendiff is
  // the amount of lines added or subtracted by the change. This is
  // used for changes that span multiple lines, or change the way
  // lines are divided into visual lines. regLineChange (below)
  // registers single-line changes.
  function regChange(cm, from, to, lendiff) {
    if (from == null) { from = cm.doc.first; }
    if (to == null) { to = cm.doc.first + cm.doc.size; }
    if (!lendiff) { lendiff = 0; }

    var display = cm.display;
    if (lendiff && to < display.viewTo &&
        (display.updateLineNumbers == null || display.updateLineNumbers > from))
      { display.updateLineNumbers = from; }

    cm.curOp.viewChanged = true;

    if (from >= display.viewTo) { // Change after
      if (sawCollapsedSpans && visualLineNo(cm.doc, from) < display.viewTo)
        { resetView(cm); }
    } else if (to <= display.viewFrom) { // Change before
      if (sawCollapsedSpans && visualLineEndNo(cm.doc, to + lendiff) > display.viewFrom) {
        resetView(cm);
      } else {
        display.viewFrom += lendiff;
        display.viewTo += lendiff;
      }
    } else if (from <= display.viewFrom && to >= display.viewTo) { // Full overlap
      resetView(cm);
    } else if (from <= display.viewFrom) { // Top overlap
      var cut = viewCuttingPoint(cm, to, to + lendiff, 1);
      if (cut) {
        display.view = display.view.slice(cut.index);
        display.viewFrom = cut.lineN;
        display.viewTo += lendiff;
      } else {
        resetView(cm);
      }
    } else if (to >= display.viewTo) { // Bottom overlap
      var cut$1 = viewCuttingPoint(cm, from, from, -1);
      if (cut$1) {
        display.view = display.view.slice(0, cut$1.index);
        display.viewTo = cut$1.lineN;
      } else {
        resetView(cm);
      }
    } else { // Gap in the middle
      var cutTop = viewCuttingPoint(cm, from, from, -1);
      var cutBot = viewCuttingPoint(cm, to, to + lendiff, 1);
      if (cutTop && cutBot) {
        display.view = display.view.slice(0, cutTop.index)
          .concat(buildViewArray(cm, cutTop.lineN, cutBot.lineN))
          .concat(display.view.slice(cutBot.index));
        display.viewTo += lendiff;
      } else {
        resetView(cm);
      }
    }

    var ext = display.externalMeasured;
    if (ext) {
      if (to < ext.lineN)
        { ext.lineN += lendiff; }
      else if (from < ext.lineN + ext.size)
        { display.externalMeasured = null; }
    }
  }

  // Register a change to a single line. Type must be one of "text",
  // "gutter", "class", "widget"
  function regLineChange(cm, line, type) {
    cm.curOp.viewChanged = true;
    var display = cm.display, ext = cm.display.externalMeasured;
    if (ext && line >= ext.lineN && line < ext.lineN + ext.size)
      { display.externalMeasured = null; }

    if (line < display.viewFrom || line >= display.viewTo) { return }
    var lineView = display.view[findViewIndex(cm, line)];
    if (lineView.node == null) { return }
    var arr = lineView.changes || (lineView.changes = []);
    if (indexOf(arr, type) == -1) { arr.push(type); }
  }

  // Clear the view.
  function resetView(cm) {
    cm.display.viewFrom = cm.display.viewTo = cm.doc.first;
    cm.display.view = [];
    cm.display.viewOffset = 0;
  }

  function viewCuttingPoint(cm, oldN, newN, dir) {
    var index = findViewIndex(cm, oldN), diff, view = cm.display.view;
    if (!sawCollapsedSpans || newN == cm.doc.first + cm.doc.size)
      { return {index: index, lineN: newN} }
    var n = cm.display.viewFrom;
    for (var i = 0; i < index; i++)
      { n += view[i].size; }
    if (n != oldN) {
      if (dir > 0) {
        if (index == view.length - 1) { return null }
        diff = (n + view[index].size) - oldN;
        index++;
      } else {
        diff = n - oldN;
      }
      oldN += diff; newN += diff;
    }
    while (visualLineNo(cm.doc, newN) != newN) {
      if (index == (dir < 0 ? 0 : view.length - 1)) { return null }
      newN += dir * view[index - (dir < 0 ? 1 : 0)].size;
      index += dir;
    }
    return {index: index, lineN: newN}
  }

  // Force the view to cover a given range, adding empty view element
  // or clipping off existing ones as needed.
  function adjustView(cm, from, to) {
    var display = cm.display, view = display.view;
    if (view.length == 0 || from >= display.viewTo || to <= display.viewFrom) {
      display.view = buildViewArray(cm, from, to);
      display.viewFrom = from;
    } else {
      if (display.viewFrom > from)
        { display.view = buildViewArray(cm, from, display.viewFrom).concat(display.view); }
      else if (display.viewFrom < from)
        { display.view = display.view.slice(findViewIndex(cm, from)); }
      display.viewFrom = from;
      if (display.viewTo < to)
        { display.view = display.view.concat(buildViewArray(cm, display.viewTo, to)); }
      else if (display.viewTo > to)
        { display.view = display.view.slice(0, findViewIndex(cm, to)); }
    }
    display.viewTo = to;
  }

  // Count the number of lines in the view whose DOM representation is
  // out of date (or nonexistent).
  function countDirtyView(cm) {
    var view = cm.display.view, dirty = 0;
    for (var i = 0; i < view.length; i++) {
      var lineView = view[i];
      if (!lineView.hidden && (!lineView.node || lineView.changes)) { ++dirty; }
    }
    return dirty
  }

  function updateSelection(cm) {
    cm.display.input.showSelection(cm.display.input.prepareSelection());
  }

  function prepareSelection(cm, primary) {
    if ( primary === void 0 ) primary = true;

    var doc = cm.doc, result = {};
    var curFragment = result.cursors = document.createDocumentFragment();
    var selFragment = result.selection = document.createDocumentFragment();

    for (var i = 0; i < doc.sel.ranges.length; i++) {
      if (!primary && i == doc.sel.primIndex) { continue }
      var range = doc.sel.ranges[i];
      if (range.from().line >= cm.display.viewTo || range.to().line < cm.display.viewFrom) { continue }
      var collapsed = range.empty();
      if (collapsed || cm.options.showCursorWhenSelecting)
        { drawSelectionCursor(cm, range.head, curFragment); }
      if (!collapsed)
        { drawSelectionRange(cm, range, selFragment); }
    }
    return result
  }

  // Draws a cursor for the given range
  function drawSelectionCursor(cm, head, output) {
    var pos = cursorCoords(cm, head, "div", null, null, !cm.options.singleCursorHeightPerLine);

    var cursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor"));
    cursor.style.left = pos.left + "px";
    cursor.style.top = pos.top + "px";
    cursor.style.height = Math.max(0, pos.bottom - pos.top) * cm.options.cursorHeight + "px";

    if (pos.other) {
      // Secondary cursor, shown when on a 'jump' in bi-directional text
      var otherCursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor CodeMirror-secondarycursor"));
      otherCursor.style.display = "";
      otherCursor.style.left = pos.other.left + "px";
      otherCursor.style.top = pos.other.top + "px";
      otherCursor.style.height = (pos.other.bottom - pos.other.top) * .85 + "px";
    }
  }

  function cmpCoords(a, b) { return a.top - b.top || a.left - b.left }

  // Draws the given range as a highlighted selection
  function drawSelectionRange(cm, range, output) {
    var display = cm.display, doc = cm.doc;
    var fragment = document.createDocumentFragment();
    var padding = paddingH(cm.display), leftSide = padding.left;
    var rightSide = Math.max(display.sizerWidth, displayWidth(cm) - display.sizer.offsetLeft) - padding.right;
    var docLTR = doc.direction == "ltr";

    function add(left, top, width, bottom) {
      if (top < 0) { top = 0; }
      top = Math.round(top);
      bottom = Math.round(bottom);
      fragment.appendChild(elt("div", null, "CodeMirror-selected", ("position: absolute; left: " + left + "px;\n                             top: " + top + "px; width: " + (width == null ? rightSide - left : width) + "px;\n                             height: " + (bottom - top) + "px")));
    }

    function drawForLine(line, fromArg, toArg) {
      var lineObj = getLine(doc, line);
      var lineLen = lineObj.text.length;
      var start, end;
      function coords(ch, bias) {
        return charCoords(cm, Pos(line, ch), "div", lineObj, bias)
      }

      function wrapX(pos, dir, side) {
        var extent = wrappedLineExtentChar(cm, lineObj, null, pos);
        var prop = (dir == "ltr") == (side == "after") ? "left" : "right";
        var ch = side == "after" ? extent.begin : extent.end - (/\s/.test(lineObj.text.charAt(extent.end - 1)) ? 2 : 1);
        return coords(ch, prop)[prop]
      }

      var order = getOrder(lineObj, doc.direction);
      iterateBidiSections(order, fromArg || 0, toArg == null ? lineLen : toArg, function (from, to, dir, i) {
        var ltr = dir == "ltr";
        var fromPos = coords(from, ltr ? "left" : "right");
        var toPos = coords(to - 1, ltr ? "right" : "left");

        var openStart = fromArg == null && from == 0, openEnd = toArg == null && to == lineLen;
        var first = i == 0, last = !order || i == order.length - 1;
        if (toPos.top - fromPos.top <= 3) { // Single line
          var openLeft = (docLTR ? openStart : openEnd) && first;
          var openRight = (docLTR ? openEnd : openStart) && last;
          var left = openLeft ? leftSide : (ltr ? fromPos : toPos).left;
          var right = openRight ? rightSide : (ltr ? toPos : fromPos).right;
          add(left, fromPos.top, right - left, fromPos.bottom);
        } else { // Multiple lines
          var topLeft, topRight, botLeft, botRight;
          if (ltr) {
            topLeft = docLTR && openStart && first ? leftSide : fromPos.left;
            topRight = docLTR ? rightSide : wrapX(from, dir, "before");
            botLeft = docLTR ? leftSide : wrapX(to, dir, "after");
            botRight = docLTR && openEnd && last ? rightSide : toPos.right;
          } else {
            topLeft = !docLTR ? leftSide : wrapX(from, dir, "before");
            topRight = !docLTR && openStart && first ? rightSide : fromPos.right;
            botLeft = !docLTR && openEnd && last ? leftSide : toPos.left;
            botRight = !docLTR ? rightSide : wrapX(to, dir, "after");
          }
          add(topLeft, fromPos.top, topRight - topLeft, fromPos.bottom);
          if (fromPos.bottom < toPos.top) { add(leftSide, fromPos.bottom, null, toPos.top); }
          add(botLeft, toPos.top, botRight - botLeft, toPos.bottom);
        }

        if (!start || cmpCoords(fromPos, start) < 0) { start = fromPos; }
        if (cmpCoords(toPos, start) < 0) { start = toPos; }
        if (!end || cmpCoords(fromPos, end) < 0) { end = fromPos; }
        if (cmpCoords(toPos, end) < 0) { end = toPos; }
      });
      return {start: start, end: end}
    }

    var sFrom = range.from(), sTo = range.to();
    if (sFrom.line == sTo.line) {
      drawForLine(sFrom.line, sFrom.ch, sTo.ch);
    } else {
      var fromLine = getLine(doc, sFrom.line), toLine = getLine(doc, sTo.line);
      var singleVLine = visualLine(fromLine) == visualLine(toLine);
      var leftEnd = drawForLine(sFrom.line, sFrom.ch, singleVLine ? fromLine.text.length + 1 : null).end;
      var rightStart = drawForLine(sTo.line, singleVLine ? 0 : null, sTo.ch).start;
      if (singleVLine) {
        if (leftEnd.top < rightStart.top - 2) {
          add(leftEnd.right, leftEnd.top, null, leftEnd.bottom);
          add(leftSide, rightStart.top, rightStart.left, rightStart.bottom);
        } else {
          add(leftEnd.right, leftEnd.top, rightStart.left - leftEnd.right, leftEnd.bottom);
        }
      }
      if (leftEnd.bottom < rightStart.top)
        { add(leftSide, leftEnd.bottom, null, rightStart.top); }
    }

    output.appendChild(fragment);
  }

  // Cursor-blinking
  function restartBlink(cm) {
    if (!cm.state.focused) { return }
    var display = cm.display;
    clearInterval(display.blinker);
    var on = true;
    display.cursorDiv.style.visibility = "";
    if (cm.options.cursorBlinkRate > 0)
      { display.blinker = setInterval(function () {
        if (!cm.hasFocus()) { onBlur(cm); }
        display.cursorDiv.style.visibility = (on = !on) ? "" : "hidden";
      }, cm.options.cursorBlinkRate); }
    else if (cm.options.cursorBlinkRate < 0)
      { display.cursorDiv.style.visibility = "hidden"; }
  }

  function ensureFocus(cm) {
    if (!cm.state.focused) { cm.display.input.focus(); onFocus(cm); }
  }

  function delayBlurEvent(cm) {
    cm.state.delayingBlurEvent = true;
    setTimeout(function () { if (cm.state.delayingBlurEvent) {
      cm.state.delayingBlurEvent = false;
      onBlur(cm);
    } }, 100);
  }

  function onFocus(cm, e) {
    if (cm.state.delayingBlurEvent) { cm.state.delayingBlurEvent = false; }

    if (cm.options.readOnly == "nocursor") { return }
    if (!cm.state.focused) {
      signal(cm, "focus", cm, e);
      cm.state.focused = true;
      addClass(cm.display.wrapper, "CodeMirror-focused");
      // This test prevents this from firing when a context
      // menu is closed (since the input reset would kill the
      // select-all detection hack)
      if (!cm.curOp && cm.display.selForContextMenu != cm.doc.sel) {
        cm.display.input.reset();
        if (webkit) { setTimeout(function () { return cm.display.input.reset(true); }, 20); } // Issue #1730
      }
      cm.display.input.receivedFocus();
    }
    restartBlink(cm);
  }
  function onBlur(cm, e) {
    if (cm.state.delayingBlurEvent) { return }

    if (cm.state.focused) {
      signal(cm, "blur", cm, e);
      cm.state.focused = false;
      rmClass(cm.display.wrapper, "CodeMirror-focused");
    }
    clearInterval(cm.display.blinker);
    setTimeout(function () { if (!cm.state.focused) { cm.display.shift = false; } }, 150);
  }

  // Read the actual heights of the rendered lines, and update their
  // stored heights to match.
  function updateHeightsInViewport(cm) {
    var display = cm.display;
    var prevBottom = display.lineDiv.offsetTop;
    for (var i = 0; i < display.view.length; i++) {
      var cur = display.view[i], wrapping = cm.options.lineWrapping;
      var height = (void 0), width = 0;
      if (cur.hidden) { continue }
      if (ie && ie_version < 8) {
        var bot = cur.node.offsetTop + cur.node.offsetHeight;
        height = bot - prevBottom;
        prevBottom = bot;
      } else {
        var box = cur.node.getBoundingClientRect();
        height = box.bottom - box.top;
        // Check that lines don't extend past the right of the current
        // editor width
        if (!wrapping && cur.text.firstChild)
          { width = cur.text.firstChild.getBoundingClientRect().right - box.left - 1; }
      }
      var diff = cur.line.height - height;
      if (diff > .005 || diff < -.005) {
        updateLineHeight(cur.line, height);
        updateWidgetHeight(cur.line);
        if (cur.rest) { for (var j = 0; j < cur.rest.length; j++)
          { updateWidgetHeight(cur.rest[j]); } }
      }
      if (width > cm.display.sizerWidth) {
        var chWidth = Math.ceil(width / charWidth(cm.display));
        if (chWidth > cm.display.maxLineLength) {
          cm.display.maxLineLength = chWidth;
          cm.display.maxLine = cur.line;
          cm.display.maxLineChanged = true;
        }
      }
    }
  }

  // Read and store the height of line widgets associated with the
  // given line.
  function updateWidgetHeight(line) {
    if (line.widgets) { for (var i = 0; i < line.widgets.length; ++i) {
      var w = line.widgets[i], parent = w.node.parentNode;
      if (parent) { w.height = parent.offsetHeight; }
    } }
  }

  // Compute the lines that are visible in a given viewport (defaults
  // the the current scroll position). viewport may contain top,
  // height, and ensure (see op.scrollToPos) properties.
  function visibleLines(display, doc, viewport) {
    var top = viewport && viewport.top != null ? Math.max(0, viewport.top) : display.scroller.scrollTop;
    top = Math.floor(top - paddingTop(display));
    var bottom = viewport && viewport.bottom != null ? viewport.bottom : top + display.wrapper.clientHeight;

    var from = lineAtHeight(doc, top), to = lineAtHeight(doc, bottom);
    // Ensure is a {from: {line, ch}, to: {line, ch}} object, and
    // forces those lines into the viewport (if possible).
    if (viewport && viewport.ensure) {
      var ensureFrom = viewport.ensure.from.line, ensureTo = viewport.ensure.to.line;
      if (ensureFrom < from) {
        from = ensureFrom;
        to = lineAtHeight(doc, heightAtLine(getLine(doc, ensureFrom)) + display.wrapper.clientHeight);
      } else if (Math.min(ensureTo, doc.lastLine()) >= to) {
        from = lineAtHeight(doc, heightAtLine(getLine(doc, ensureTo)) - display.wrapper.clientHeight);
        to = ensureTo;
      }
    }
    return {from: from, to: Math.max(to, from + 1)}
  }

  // SCROLLING THINGS INTO VIEW

  // If an editor sits on the top or bottom of the window, partially
  // scrolled out of view, this ensures that the cursor is visible.
  function maybeScrollWindow(cm, rect) {
    if (signalDOMEvent(cm, "scrollCursorIntoView")) { return }

    var display = cm.display, box = display.sizer.getBoundingClientRect(), doScroll = null;
    if (rect.top + box.top < 0) { doScroll = true; }
    else if (rect.bottom + box.top > (window.innerHeight || document.documentElement.clientHeight)) { doScroll = false; }
    if (doScroll != null && !phantom) {
      var scrollNode = elt("div", "\u200b", null, ("position: absolute;\n                         top: " + (rect.top - display.viewOffset - paddingTop(cm.display)) + "px;\n                         height: " + (rect.bottom - rect.top + scrollGap(cm) + display.barHeight) + "px;\n                         left: " + (rect.left) + "px; width: " + (Math.max(2, rect.right - rect.left)) + "px;"));
      cm.display.lineSpace.appendChild(scrollNode);
      scrollNode.scrollIntoView(doScroll);
      cm.display.lineSpace.removeChild(scrollNode);
    }
  }

  // Scroll a given position into view (immediately), verifying that
  // it actually became visible (as line heights are accurately
  // measured, the position of something may 'drift' during drawing).
  function scrollPosIntoView(cm, pos, end, margin) {
    if (margin == null) { margin = 0; }
    var rect;
    if (!cm.options.lineWrapping && pos == end) {
      // Set pos and end to the cursor positions around the character pos sticks to
      // If pos.sticky == "before", that is around pos.ch - 1, otherwise around pos.ch
      // If pos == Pos(_, 0, "before"), pos and end are unchanged
      pos = pos.ch ? Pos(pos.line, pos.sticky == "before" ? pos.ch - 1 : pos.ch, "after") : pos;
      end = pos.sticky == "before" ? Pos(pos.line, pos.ch + 1, "before") : pos;
    }
    for (var limit = 0; limit < 5; limit++) {
      var changed = false;
      var coords = cursorCoords(cm, pos);
      var endCoords = !end || end == pos ? coords : cursorCoords(cm, end);
      rect = {left: Math.min(coords.left, endCoords.left),
              top: Math.min(coords.top, endCoords.top) - margin,
              right: Math.max(coords.left, endCoords.left),
              bottom: Math.max(coords.bottom, endCoords.bottom) + margin};
      var scrollPos = calculateScrollPos(cm, rect);
      var startTop = cm.doc.scrollTop, startLeft = cm.doc.scrollLeft;
      if (scrollPos.scrollTop != null) {
        updateScrollTop(cm, scrollPos.scrollTop);
        if (Math.abs(cm.doc.scrollTop - startTop) > 1) { changed = true; }
      }
      if (scrollPos.scrollLeft != null) {
        setScrollLeft(cm, scrollPos.scrollLeft);
        if (Math.abs(cm.doc.scrollLeft - startLeft) > 1) { changed = true; }
      }
      if (!changed) { break }
    }
    return rect
  }

  // Scroll a given set of coordinates into view (immediately).
  function scrollIntoView(cm, rect) {
    var scrollPos = calculateScrollPos(cm, rect);
    if (scrollPos.scrollTop != null) { updateScrollTop(cm, scrollPos.scrollTop); }
    if (scrollPos.scrollLeft != null) { setScrollLeft(cm, scrollPos.scrollLeft); }
  }

  // Calculate a new scroll position needed to scroll the given
  // rectangle into view. Returns an object with scrollTop and
  // scrollLeft properties. When these are undefined, the
  // vertical/horizontal position does not need to be adjusted.
  function calculateScrollPos(cm, rect) {
    var display = cm.display, snapMargin = textHeight(cm.display);
    if (rect.top < 0) { rect.top = 0; }
    var screentop = cm.curOp && cm.curOp.scrollTop != null ? cm.curOp.scrollTop : display.scroller.scrollTop;
    var screen = displayHeight(cm), result = {};
    if (rect.bottom - rect.top > screen) { rect.bottom = rect.top + screen; }
    var docBottom = cm.doc.height + paddingVert(display);
    var atTop = rect.top < snapMargin, atBottom = rect.bottom > docBottom - snapMargin;
    if (rect.top < screentop) {
      result.scrollTop = atTop ? 0 : rect.top;
    } else if (rect.bottom > screentop + screen) {
      var newTop = Math.min(rect.top, (atBottom ? docBottom : rect.bottom) - screen);
      if (newTop != screentop) { result.scrollTop = newTop; }
    }

    var gutterSpace = cm.options.fixedGutter ? 0 : display.gutters.offsetWidth;
    var screenleft = cm.curOp && cm.curOp.scrollLeft != null ? cm.curOp.scrollLeft : display.scroller.scrollLeft - gutterSpace;
    var screenw = displayWidth(cm) - display.gutters.offsetWidth;
    var tooWide = rect.right - rect.left > screenw;
    if (tooWide) { rect.right = rect.left + screenw; }
    if (rect.left < 10)
      { result.scrollLeft = 0; }
    else if (rect.left < screenleft)
      { result.scrollLeft = Math.max(0, rect.left + gutterSpace - (tooWide ? 0 : 10)); }
    else if (rect.right > screenw + screenleft - 3)
      { result.scrollLeft = rect.right + (tooWide ? 0 : 10) - screenw; }
    return result
  }

  // Store a relative adjustment to the scroll position in the current
  // operation (to be applied when the operation finishes).
  function addToScrollTop(cm, top) {
    if (top == null) { return }
    resolveScrollToPos(cm);
    cm.curOp.scrollTop = (cm.curOp.scrollTop == null ? cm.doc.scrollTop : cm.curOp.scrollTop) + top;
  }

  // Make sure that at the end of the operation the current cursor is
  // shown.
  function ensureCursorVisible(cm) {
    resolveScrollToPos(cm);
    var cur = cm.getCursor();
    cm.curOp.scrollToPos = {from: cur, to: cur, margin: cm.options.cursorScrollMargin};
  }

  function scrollToCoords(cm, x, y) {
    if (x != null || y != null) { resolveScrollToPos(cm); }
    if (x != null) { cm.curOp.scrollLeft = x; }
    if (y != null) { cm.curOp.scrollTop = y; }
  }

  function scrollToRange(cm, range) {
    resolveScrollToPos(cm);
    cm.curOp.scrollToPos = range;
  }

  // When an operation has its scrollToPos property set, and another
  // scroll action is applied before the end of the operation, this
  // 'simulates' scrolling that position into view in a cheap way, so
  // that the effect of intermediate scroll commands is not ignored.
  function resolveScrollToPos(cm) {
    var range = cm.curOp.scrollToPos;
    if (range) {
      cm.curOp.scrollToPos = null;
      var from = estimateCoords(cm, range.from), to = estimateCoords(cm, range.to);
      scrollToCoordsRange(cm, from, to, range.margin);
    }
  }

  function scrollToCoordsRange(cm, from, to, margin) {
    var sPos = calculateScrollPos(cm, {
      left: Math.min(from.left, to.left),
      top: Math.min(from.top, to.top) - margin,
      right: Math.max(from.right, to.right),
      bottom: Math.max(from.bottom, to.bottom) + margin
    });
    scrollToCoords(cm, sPos.scrollLeft, sPos.scrollTop);
  }

  // Sync the scrollable area and scrollbars, ensure the viewport
  // covers the visible area.
  function updateScrollTop(cm, val) {
    if (Math.abs(cm.doc.scrollTop - val) < 2) { return }
    if (!gecko) { updateDisplaySimple(cm, {top: val}); }
    setScrollTop(cm, val, true);
    if (gecko) { updateDisplaySimple(cm); }
    startWorker(cm, 100);
  }

  function setScrollTop(cm, val, forceScroll) {
    val = Math.max(0, Math.min(cm.display.scroller.scrollHeight - cm.display.scroller.clientHeight, val));
    if (cm.display.scroller.scrollTop == val && !forceScroll) { return }
    cm.doc.scrollTop = val;
    cm.display.scrollbars.setScrollTop(val);
    if (cm.display.scroller.scrollTop != val) { cm.display.scroller.scrollTop = val; }
  }

  // Sync scroller and scrollbar, ensure the gutter elements are
  // aligned.
  function setScrollLeft(cm, val, isScroller, forceScroll) {
    val = Math.max(0, Math.min(val, cm.display.scroller.scrollWidth - cm.display.scroller.clientWidth));
    if ((isScroller ? val == cm.doc.scrollLeft : Math.abs(cm.doc.scrollLeft - val) < 2) && !forceScroll) { return }
    cm.doc.scrollLeft = val;
    alignHorizontally(cm);
    if (cm.display.scroller.scrollLeft != val) { cm.display.scroller.scrollLeft = val; }
    cm.display.scrollbars.setScrollLeft(val);
  }

  // SCROLLBARS

  // Prepare DOM reads needed to update the scrollbars. Done in one
  // shot to minimize update/measure roundtrips.
  function measureForScrollbars(cm) {
    var d = cm.display, gutterW = d.gutters.offsetWidth;
    var docH = Math.round(cm.doc.height + paddingVert(cm.display));
    return {
      clientHeight: d.scroller.clientHeight,
      viewHeight: d.wrapper.clientHeight,
      scrollWidth: d.scroller.scrollWidth, clientWidth: d.scroller.clientWidth,
      viewWidth: d.wrapper.clientWidth,
      barLeft: cm.options.fixedGutter ? gutterW : 0,
      docHeight: docH,
      scrollHeight: docH + scrollGap(cm) + d.barHeight,
      nativeBarWidth: d.nativeBarWidth,
      gutterWidth: gutterW
    }
  }

  var NativeScrollbars = function(place, scroll, cm) {
    this.cm = cm;
    var vert = this.vert = elt("div", [elt("div", null, null, "min-width: 1px")], "CodeMirror-vscrollbar");
    var horiz = this.horiz = elt("div", [elt("div", null, null, "height: 100%; min-height: 1px")], "CodeMirror-hscrollbar");
    vert.tabIndex = horiz.tabIndex = -1;
    place(vert); place(horiz);

    on(vert, "scroll", function () {
      if (vert.clientHeight) { scroll(vert.scrollTop, "vertical"); }
    });
    on(horiz, "scroll", function () {
      if (horiz.clientWidth) { scroll(horiz.scrollLeft, "horizontal"); }
    });

    this.checkedZeroWidth = false;
    // Need to set a minimum width to see the scrollbar on IE7 (but must not set it on IE8).
    if (ie && ie_version < 8) { this.horiz.style.minHeight = this.vert.style.minWidth = "18px"; }
  };

  NativeScrollbars.prototype.update = function (measure) {
    var needsH = measure.scrollWidth > measure.clientWidth + 1;
    var needsV = measure.scrollHeight > measure.clientHeight + 1;
    var sWidth = measure.nativeBarWidth;

    if (needsV) {
      this.vert.style.display = "block";
      this.vert.style.bottom = needsH ? sWidth + "px" : "0";
      var totalHeight = measure.viewHeight - (needsH ? sWidth : 0);
      // A bug in IE8 can cause this value to be negative, so guard it.
      this.vert.firstChild.style.height =
        Math.max(0, measure.scrollHeight - measure.clientHeight + totalHeight) + "px";
    } else {
      this.vert.style.display = "";
      this.vert.firstChild.style.height = "0";
    }

    if (needsH) {
      this.horiz.style.display = "block";
      this.horiz.style.right = needsV ? sWidth + "px" : "0";
      this.horiz.style.left = measure.barLeft + "px";
      var totalWidth = measure.viewWidth - measure.barLeft - (needsV ? sWidth : 0);
      this.horiz.firstChild.style.width =
        Math.max(0, measure.scrollWidth - measure.clientWidth + totalWidth) + "px";
    } else {
      this.horiz.style.display = "";
      this.horiz.firstChild.style.width = "0";
    }

    if (!this.checkedZeroWidth && measure.clientHeight > 0) {
      if (sWidth == 0) { this.zeroWidthHack(); }
      this.checkedZeroWidth = true;
    }

    return {right: needsV ? sWidth : 0, bottom: needsH ? sWidth : 0}
  };

  NativeScrollbars.prototype.setScrollLeft = function (pos) {
    if (this.horiz.scrollLeft != pos) { this.horiz.scrollLeft = pos; }
    if (this.disableHoriz) { this.enableZeroWidthBar(this.horiz, this.disableHoriz, "horiz"); }
  };

  NativeScrollbars.prototype.setScrollTop = function (pos) {
    if (this.vert.scrollTop != pos) { this.vert.scrollTop = pos; }
    if (this.disableVert) { this.enableZeroWidthBar(this.vert, this.disableVert, "vert"); }
  };

  NativeScrollbars.prototype.zeroWidthHack = function () {
    var w = mac && !mac_geMountainLion ? "12px" : "18px";
    this.horiz.style.height = this.vert.style.width = w;
    this.horiz.style.pointerEvents = this.vert.style.pointerEvents = "none";
    this.disableHoriz = new Delayed;
    this.disableVert = new Delayed;
  };

  NativeScrollbars.prototype.enableZeroWidthBar = function (bar, delay, type) {
    bar.style.pointerEvents = "auto";
    function maybeDisable() {
      // To find out whether the scrollbar is still visible, we
      // check whether the element under the pixel in the bottom
      // right corner of the scrollbar box is the scrollbar box
      // itself (when the bar is still visible) or its filler child
      // (when the bar is hidden). If it is still visible, we keep
      // it enabled, if it's hidden, we disable pointer events.
      var box = bar.getBoundingClientRect();
      var elt = type == "vert" ? document.elementFromPoint(box.right - 1, (box.top + box.bottom) / 2)
          : document.elementFromPoint((box.right + box.left) / 2, box.bottom - 1);
      if (elt != bar) { bar.style.pointerEvents = "none"; }
      else { delay.set(1000, maybeDisable); }
    }
    delay.set(1000, maybeDisable);
  };

  NativeScrollbars.prototype.clear = function () {
    var parent = this.horiz.parentNode;
    parent.removeChild(this.horiz);
    parent.removeChild(this.vert);
  };

  var NullScrollbars = function () {};

  NullScrollbars.prototype.update = function () { return {bottom: 0, right: 0} };
  NullScrollbars.prototype.setScrollLeft = function () {};
  NullScrollbars.prototype.setScrollTop = function () {};
  NullScrollbars.prototype.clear = function () {};

  function updateScrollbars(cm, measure) {
    if (!measure) { measure = measureForScrollbars(cm); }
    var startWidth = cm.display.barWidth, startHeight = cm.display.barHeight;
    updateScrollbarsInner(cm, measure);
    for (var i = 0; i < 4 && startWidth != cm.display.barWidth || startHeight != cm.display.barHeight; i++) {
      if (startWidth != cm.display.barWidth && cm.options.lineWrapping)
        { updateHeightsInViewport(cm); }
      updateScrollbarsInner(cm, measureForScrollbars(cm));
      startWidth = cm.display.barWidth; startHeight = cm.display.barHeight;
    }
  }

  // Re-synchronize the fake scrollbars with the actual size of the
  // content.
  function updateScrollbarsInner(cm, measure) {
    var d = cm.display;
    var sizes = d.scrollbars.update(measure);

    d.sizer.style.paddingRight = (d.barWidth = sizes.right) + "px";
    d.sizer.style.paddingBottom = (d.barHeight = sizes.bottom) + "px";
    d.heightForcer.style.borderBottom = sizes.bottom + "px solid transparent";

    if (sizes.right && sizes.bottom) {
      d.scrollbarFiller.style.display = "block";
      d.scrollbarFiller.style.height = sizes.bottom + "px";
      d.scrollbarFiller.style.width = sizes.right + "px";
    } else { d.scrollbarFiller.style.display = ""; }
    if (sizes.bottom && cm.options.coverGutterNextToScrollbar && cm.options.fixedGutter) {
      d.gutterFiller.style.display = "block";
      d.gutterFiller.style.height = sizes.bottom + "px";
      d.gutterFiller.style.width = measure.gutterWidth + "px";
    } else { d.gutterFiller.style.display = ""; }
  }

  var scrollbarModel = {"native": NativeScrollbars, "null": NullScrollbars};

  function initScrollbars(cm) {
    if (cm.display.scrollbars) {
      cm.display.scrollbars.clear();
      if (cm.display.scrollbars.addClass)
        { rmClass(cm.display.wrapper, cm.display.scrollbars.addClass); }
    }

    cm.display.scrollbars = new scrollbarModel[cm.options.scrollbarStyle](function (node) {
      cm.display.wrapper.insertBefore(node, cm.display.scrollbarFiller);
      // Prevent clicks in the scrollbars from killing focus
      on(node, "mousedown", function () {
        if (cm.state.focused) { setTimeout(function () { return cm.display.input.focus(); }, 0); }
      });
      node.setAttribute("cm-not-content", "true");
    }, function (pos, axis) {
      if (axis == "horizontal") { setScrollLeft(cm, pos); }
      else { updateScrollTop(cm, pos); }
    }, cm);
    if (cm.display.scrollbars.addClass)
      { addClass(cm.display.wrapper, cm.display.scrollbars.addClass); }
  }

  // Operations are used to wrap a series of changes to the editor
  // state in such a way that each change won't have to update the
  // cursor and display (which would be awkward, slow, and
  // error-prone). Instead, display updates are batched and then all
  // combined and executed at once.

  var nextOpId = 0;
  // Start a new operation.
  function startOperation(cm) {
    cm.curOp = {
      cm: cm,
      viewChanged: false,      // Flag that indicates that lines might need to be redrawn
      startHeight: cm.doc.height, // Used to detect need to update scrollbar
      forceUpdate: false,      // Used to force a redraw
      updateInput: 0,       // Whether to reset the input textarea
      typing: false,           // Whether this reset should be careful to leave existing text (for compositing)
      changeObjs: null,        // Accumulated changes, for firing change events
      cursorActivityHandlers: null, // Set of handlers to fire cursorActivity on
      cursorActivityCalled: 0, // Tracks which cursorActivity handlers have been called already
      selectionChanged: false, // Whether the selection needs to be redrawn
      updateMaxLine: false,    // Set when the widest line needs to be determined anew
      scrollLeft: null, scrollTop: null, // Intermediate scroll position, not pushed to DOM yet
      scrollToPos: null,       // Used to scroll to a specific position
      focus: false,
      id: ++nextOpId           // Unique ID
    };
    pushOperation(cm.curOp);
  }

  // Finish an operation, updating the display and signalling delayed events
  function endOperation(cm) {
    var op = cm.curOp;
    if (op) { finishOperation(op, function (group) {
      for (var i = 0; i < group.ops.length; i++)
        { group.ops[i].cm.curOp = null; }
      endOperations(group);
    }); }
  }

  // The DOM updates done when an operation finishes are batched so
  // that the minimum number of relayouts are required.
  function endOperations(group) {
    var ops = group.ops;
    for (var i = 0; i < ops.length; i++) // Read DOM
      { endOperation_R1(ops[i]); }
    for (var i$1 = 0; i$1 < ops.length; i$1++) // Write DOM (maybe)
      { endOperation_W1(ops[i$1]); }
    for (var i$2 = 0; i$2 < ops.length; i$2++) // Read DOM
      { endOperation_R2(ops[i$2]); }
    for (var i$3 = 0; i$3 < ops.length; i$3++) // Write DOM (maybe)
      { endOperation_W2(ops[i$3]); }
    for (var i$4 = 0; i$4 < ops.length; i$4++) // Read DOM
      { endOperation_finish(ops[i$4]); }
  }

  function endOperation_R1(op) {
    var cm = op.cm, display = cm.display;
    maybeClipScrollbars(cm);
    if (op.updateMaxLine) { findMaxLine(cm); }

    op.mustUpdate = op.viewChanged || op.forceUpdate || op.scrollTop != null ||
      op.scrollToPos && (op.scrollToPos.from.line < display.viewFrom ||
                         op.scrollToPos.to.line >= display.viewTo) ||
      display.maxLineChanged && cm.options.lineWrapping;
    op.update = op.mustUpdate &&
      new DisplayUpdate(cm, op.mustUpdate && {top: op.scrollTop, ensure: op.scrollToPos}, op.forceUpdate);
  }

  function endOperation_W1(op) {
    op.updatedDisplay = op.mustUpdate && updateDisplayIfNeeded(op.cm, op.update);
  }

  function endOperation_R2(op) {
    var cm = op.cm, display = cm.display;
    if (op.updatedDisplay) { updateHeightsInViewport(cm); }

    op.barMeasure = measureForScrollbars(cm);

    // If the max line changed since it was last measured, measure it,
    // and ensure the document's width matches it.
    // updateDisplay_W2 will use these properties to do the actual resizing
    if (display.maxLineChanged && !cm.options.lineWrapping) {
      op.adjustWidthTo = measureChar(cm, display.maxLine, display.maxLine.text.length).left + 3;
      cm.display.sizerWidth = op.adjustWidthTo;
      op.barMeasure.scrollWidth =
        Math.max(display.scroller.clientWidth, display.sizer.offsetLeft + op.adjustWidthTo + scrollGap(cm) + cm.display.barWidth);
      op.maxScrollLeft = Math.max(0, display.sizer.offsetLeft + op.adjustWidthTo - displayWidth(cm));
    }

    if (op.updatedDisplay || op.selectionChanged)
      { op.preparedSelection = display.input.prepareSelection(); }
  }

  function endOperation_W2(op) {
    var cm = op.cm;

    if (op.adjustWidthTo != null) {
      cm.display.sizer.style.minWidth = op.adjustWidthTo + "px";
      if (op.maxScrollLeft < cm.doc.scrollLeft)
        { setScrollLeft(cm, Math.min(cm.display.scroller.scrollLeft, op.maxScrollLeft), true); }
      cm.display.maxLineChanged = false;
    }

    var takeFocus = op.focus && op.focus == activeElt();
    if (op.preparedSelection)
      { cm.display.input.showSelection(op.preparedSelection, takeFocus); }
    if (op.updatedDisplay || op.startHeight != cm.doc.height)
      { updateScrollbars(cm, op.barMeasure); }
    if (op.updatedDisplay)
      { setDocumentHeight(cm, op.barMeasure); }

    if (op.selectionChanged) { restartBlink(cm); }

    if (cm.state.focused && op.updateInput)
      { cm.display.input.reset(op.typing); }
    if (takeFocus) { ensureFocus(op.cm); }
  }

  function endOperation_finish(op) {
    var cm = op.cm, display = cm.display, doc = cm.doc;

    if (op.updatedDisplay) { postUpdateDisplay(cm, op.update); }

    // Abort mouse wheel delta measurement, when scrolling explicitly
    if (display.wheelStartX != null && (op.scrollTop != null || op.scrollLeft != null || op.scrollToPos))
      { display.wheelStartX = display.wheelStartY = null; }

    // Propagate the scroll position to the actual DOM scroller
    if (op.scrollTop != null) { setScrollTop(cm, op.scrollTop, op.forceScroll); }

    if (op.scrollLeft != null) { setScrollLeft(cm, op.scrollLeft, true, true); }
    // If we need to scroll a specific position into view, do so.
    if (op.scrollToPos) {
      var rect = scrollPosIntoView(cm, clipPos(doc, op.scrollToPos.from),
                                   clipPos(doc, op.scrollToPos.to), op.scrollToPos.margin);
      maybeScrollWindow(cm, rect);
    }

    // Fire events for markers that are hidden/unidden by editing or
    // undoing
    var hidden = op.maybeHiddenMarkers, unhidden = op.maybeUnhiddenMarkers;
    if (hidden) { for (var i = 0; i < hidden.length; ++i)
      { if (!hidden[i].lines.length) { signal(hidden[i], "hide"); } } }
    if (unhidden) { for (var i$1 = 0; i$1 < unhidden.length; ++i$1)
      { if (unhidden[i$1].lines.length) { signal(unhidden[i$1], "unhide"); } } }

    if (display.wrapper.offsetHeight)
      { doc.scrollTop = cm.display.scroller.scrollTop; }

    // Fire change events, and delayed event handlers
    if (op.changeObjs)
      { signal(cm, "changes", cm, op.changeObjs); }
    if (op.update)
      { op.update.finish(); }
  }

  // Run the given function in an operation
  function runInOp(cm, f) {
    if (cm.curOp) { return f() }
    startOperation(cm);
    try { return f() }
    finally { endOperation(cm); }
  }
  // Wraps a function in an operation. Returns the wrapped function.
  function operation(cm, f) {
    return function() {
      if (cm.curOp) { return f.apply(cm, arguments) }
      startOperation(cm);
      try { return f.apply(cm, arguments) }
      finally { endOperation(cm); }
    }
  }
  // Used to add methods to editor and doc instances, wrapping them in
  // operations.
  function methodOp(f) {
    return function() {
      if (this.curOp) { return f.apply(this, arguments) }
      startOperation(this);
      try { return f.apply(this, arguments) }
      finally { endOperation(this); }
    }
  }
  function docMethodOp(f) {
    return function() {
      var cm = this.cm;
      if (!cm || cm.curOp) { return f.apply(this, arguments) }
      startOperation(cm);
      try { return f.apply(this, arguments) }
      finally { endOperation(cm); }
    }
  }

  // HIGHLIGHT WORKER

  function startWorker(cm, time) {
    if (cm.doc.highlightFrontier < cm.display.viewTo)
      { cm.state.highlight.set(time, bind(highlightWorker, cm)); }
  }

  function highlightWorker(cm) {
    var doc = cm.doc;
    if (doc.highlightFrontier >= cm.display.viewTo) { return }
    var end = +new Date + cm.options.workTime;
    var context = getContextBefore(cm, doc.highlightFrontier);
    var changedLines = [];

    doc.iter(context.line, Math.min(doc.first + doc.size, cm.display.viewTo + 500), function (line) {
      if (context.line >= cm.display.viewFrom) { // Visible
        var oldStyles = line.styles;
        var resetState = line.text.length > cm.options.maxHighlightLength ? copyState(doc.mode, context.state) : null;
        var highlighted = highlightLine(cm, line, context, true);
        if (resetState) { context.state = resetState; }
        line.styles = highlighted.styles;
        var oldCls = line.styleClasses, newCls = highlighted.classes;
        if (newCls) { line.styleClasses = newCls; }
        else if (oldCls) { line.styleClasses = null; }
        var ischange = !oldStyles || oldStyles.length != line.styles.length ||
          oldCls != newCls && (!oldCls || !newCls || oldCls.bgClass != newCls.bgClass || oldCls.textClass != newCls.textClass);
        for (var i = 0; !ischange && i < oldStyles.length; ++i) { ischange = oldStyles[i] != line.styles[i]; }
        if (ischange) { changedLines.push(context.line); }
        line.stateAfter = context.save();
        context.nextLine();
      } else {
        if (line.text.length <= cm.options.maxHighlightLength)
          { processLine(cm, line.text, context); }
        line.stateAfter = context.line % 5 == 0 ? context.save() : null;
        context.nextLine();
      }
      if (+new Date > end) {
        startWorker(cm, cm.options.workDelay);
        return true
      }
    });
    doc.highlightFrontier = context.line;
    doc.modeFrontier = Math.max(doc.modeFrontier, context.line);
    if (changedLines.length) { runInOp(cm, function () {
      for (var i = 0; i < changedLines.length; i++)
        { regLineChange(cm, changedLines[i], "text"); }
    }); }
  }

  // DISPLAY DRAWING

  var DisplayUpdate = function(cm, viewport, force) {
    var display = cm.display;

    this.viewport = viewport;
    // Store some values that we'll need later (but don't want to force a relayout for)
    this.visible = visibleLines(display, cm.doc, viewport);
    this.editorIsHidden = !display.wrapper.offsetWidth;
    this.wrapperHeight = display.wrapper.clientHeight;
    this.wrapperWidth = display.wrapper.clientWidth;
    this.oldDisplayWidth = displayWidth(cm);
    this.force = force;
    this.dims = getDimensions(cm);
    this.events = [];
  };

  DisplayUpdate.prototype.signal = function (emitter, type) {
    if (hasHandler(emitter, type))
      { this.events.push(arguments); }
  };
  DisplayUpdate.prototype.finish = function () {
    for (var i = 0; i < this.events.length; i++)
      { signal.apply(null, this.events[i]); }
  };

  function maybeClipScrollbars(cm) {
    var display = cm.display;
    if (!display.scrollbarsClipped && display.scroller.offsetWidth) {
      display.nativeBarWidth = display.scroller.offsetWidth - display.scroller.clientWidth;
      display.heightForcer.style.height = scrollGap(cm) + "px";
      display.sizer.style.marginBottom = -display.nativeBarWidth + "px";
      display.sizer.style.borderRightWidth = scrollGap(cm) + "px";
      display.scrollbarsClipped = true;
    }
  }

  function selectionSnapshot(cm) {
    if (cm.hasFocus()) { return null }
    var active = activeElt();
    if (!active || !contains(cm.display.lineDiv, active)) { return null }
    var result = {activeElt: active};
    if (window.getSelection) {
      var sel = window.getSelection();
      if (sel.anchorNode && sel.extend && contains(cm.display.lineDiv, sel.anchorNode)) {
        result.anchorNode = sel.anchorNode;
        result.anchorOffset = sel.anchorOffset;
        result.focusNode = sel.focusNode;
        result.focusOffset = sel.focusOffset;
      }
    }
    return result
  }

  function restoreSelection(snapshot) {
    if (!snapshot || !snapshot.activeElt || snapshot.activeElt == activeElt()) { return }
    snapshot.activeElt.focus();
    if (!/^(INPUT|TEXTAREA)$/.test(snapshot.activeElt.nodeName) &&
        snapshot.anchorNode && contains(document.body, snapshot.anchorNode) && contains(document.body, snapshot.focusNode)) {
      var sel = window.getSelection(), range = document.createRange();
      range.setEnd(snapshot.anchorNode, snapshot.anchorOffset);
      range.collapse(false);
      sel.removeAllRanges();
      sel.addRange(range);
      sel.extend(snapshot.focusNode, snapshot.focusOffset);
    }
  }

  // Does the actual updating of the line display. Bails out
  // (returning false) when there is nothing to be done and forced is
  // false.
  function updateDisplayIfNeeded(cm, update) {
    var display = cm.display, doc = cm.doc;

    if (update.editorIsHidden) {
      resetView(cm);
      return false
    }

    // Bail out if the visible area is already rendered and nothing changed.
    if (!update.force &&
        update.visible.from >= display.viewFrom && update.visible.to <= display.viewTo &&
        (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo) &&
        display.renderedView == display.view && countDirtyView(cm) == 0)
      { return false }

    if (maybeUpdateLineNumberWidth(cm)) {
      resetView(cm);
      update.dims = getDimensions(cm);
    }

    // Compute a suitable new viewport (from & to)
    var end = doc.first + doc.size;
    var from = Math.max(update.visible.from - cm.options.viewportMargin, doc.first);
    var to = Math.min(end, update.visible.to + cm.options.viewportMargin);
    if (display.viewFrom < from && from - display.viewFrom < 20) { from = Math.max(doc.first, display.viewFrom); }
    if (display.viewTo > to && display.viewTo - to < 20) { to = Math.min(end, display.viewTo); }
    if (sawCollapsedSpans) {
      from = visualLineNo(cm.doc, from);
      to = visualLineEndNo(cm.doc, to);
    }

    var different = from != display.viewFrom || to != display.viewTo ||
      display.lastWrapHeight != update.wrapperHeight || display.lastWrapWidth != update.wrapperWidth;
    adjustView(cm, from, to);

    display.viewOffset = heightAtLine(getLine(cm.doc, display.viewFrom));
    // Position the mover div to align with the current scroll position
    cm.display.mover.style.top = display.viewOffset + "px";

    var toUpdate = countDirtyView(cm);
    if (!different && toUpdate == 0 && !update.force && display.renderedView == display.view &&
        (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo))
      { return false }

    // For big changes, we hide the enclosing element during the
    // update, since that speeds up the operations on most browsers.
    var selSnapshot = selectionSnapshot(cm);
    if (toUpdate > 4) { display.lineDiv.style.display = "none"; }
    patchDisplay(cm, display.updateLineNumbers, update.dims);
    if (toUpdate > 4) { display.lineDiv.style.display = ""; }
    display.renderedView = display.view;
    // There might have been a widget with a focused element that got
    // hidden or updated, if so re-focus it.
    restoreSelection(selSnapshot);

    // Prevent selection and cursors from interfering with the scroll
    // width and height.
    removeChildren(display.cursorDiv);
    removeChildren(display.selectionDiv);
    display.gutters.style.height = display.sizer.style.minHeight = 0;

    if (different) {
      display.lastWrapHeight = update.wrapperHeight;
      display.lastWrapWidth = update.wrapperWidth;
      startWorker(cm, 400);
    }

    display.updateLineNumbers = null;

    return true
  }

  function postUpdateDisplay(cm, update) {
    var viewport = update.viewport;

    for (var first = true;; first = false) {
      if (!first || !cm.options.lineWrapping || update.oldDisplayWidth == displayWidth(cm)) {
        // Clip forced viewport to actual scrollable area.
        if (viewport && viewport.top != null)
          { viewport = {top: Math.min(cm.doc.height + paddingVert(cm.display) - displayHeight(cm), viewport.top)}; }
        // Updated line heights might result in the drawn area not
        // actually covering the viewport. Keep looping until it does.
        update.visible = visibleLines(cm.display, cm.doc, viewport);
        if (update.visible.from >= cm.display.viewFrom && update.visible.to <= cm.display.viewTo)
          { break }
      } else if (first) {
        update.visible = visibleLines(cm.display, cm.doc, viewport);
      }
      if (!updateDisplayIfNeeded(cm, update)) { break }
      updateHeightsInViewport(cm);
      var barMeasure = measureForScrollbars(cm);
      updateSelection(cm);
      updateScrollbars(cm, barMeasure);
      setDocumentHeight(cm, barMeasure);
      update.force = false;
    }

    update.signal(cm, "update", cm);
    if (cm.display.viewFrom != cm.display.reportedViewFrom || cm.display.viewTo != cm.display.reportedViewTo) {
      update.signal(cm, "viewportChange", cm, cm.display.viewFrom, cm.display.viewTo);
      cm.display.reportedViewFrom = cm.display.viewFrom; cm.display.reportedViewTo = cm.display.viewTo;
    }
  }

  function updateDisplaySimple(cm, viewport) {
    var update = new DisplayUpdate(cm, viewport);
    if (updateDisplayIfNeeded(cm, update)) {
      updateHeightsInViewport(cm);
      postUpdateDisplay(cm, update);
      var barMeasure = measureForScrollbars(cm);
      updateSelection(cm);
      updateScrollbars(cm, barMeasure);
      setDocumentHeight(cm, barMeasure);
      update.finish();
    }
  }

  // Sync the actual display DOM structure with display.view, removing
  // nodes for lines that are no longer in view, and creating the ones
  // that are not there yet, and updating the ones that are out of
  // date.
  function patchDisplay(cm, updateNumbersFrom, dims) {
    var display = cm.display, lineNumbers = cm.options.lineNumbers;
    var container = display.lineDiv, cur = container.firstChild;

    function rm(node) {
      var next = node.nextSibling;
      // Works around a throw-scroll bug in OS X Webkit
      if (webkit && mac && cm.display.currentWheelTarget == node)
        { node.style.display = "none"; }
      else
        { node.parentNode.removeChild(node); }
      return next
    }

    var view = display.view, lineN = display.viewFrom;
    // Loop over the elements in the view, syncing cur (the DOM nodes
    // in display.lineDiv) with the view as we go.
    for (var i = 0; i < view.length; i++) {
      var lineView = view[i];
      if (lineView.hidden) ; else if (!lineView.node || lineView.node.parentNode != container) { // Not drawn yet
        var node = buildLineElement(cm, lineView, lineN, dims);
        container.insertBefore(node, cur);
      } else { // Already drawn
        while (cur != lineView.node) { cur = rm(cur); }
        var updateNumber = lineNumbers && updateNumbersFrom != null &&
          updateNumbersFrom <= lineN && lineView.lineNumber;
        if (lineView.changes) {
          if (indexOf(lineView.changes, "gutter") > -1) { updateNumber = false; }
          updateLineForChanges(cm, lineView, lineN, dims);
        }
        if (updateNumber) {
          removeChildren(lineView.lineNumber);
          lineView.lineNumber.appendChild(document.createTextNode(lineNumberFor(cm.options, lineN)));
        }
        cur = lineView.node.nextSibling;
      }
      lineN += lineView.size;
    }
    while (cur) { cur = rm(cur); }
  }

  function updateGutterSpace(display) {
    var width = display.gutters.offsetWidth;
    display.sizer.style.marginLeft = width + "px";
  }

  function setDocumentHeight(cm, measure) {
    cm.display.sizer.style.minHeight = measure.docHeight + "px";
    cm.display.heightForcer.style.top = measure.docHeight + "px";
    cm.display.gutters.style.height = (measure.docHeight + cm.display.barHeight + scrollGap(cm)) + "px";
  }

  // Re-align line numbers and gutter marks to compensate for
  // horizontal scrolling.
  function alignHorizontally(cm) {
    var display = cm.display, view = display.view;
    if (!display.alignWidgets && (!display.gutters.firstChild || !cm.options.fixedGutter)) { return }
    var comp = compensateForHScroll(display) - display.scroller.scrollLeft + cm.doc.scrollLeft;
    var gutterW = display.gutters.offsetWidth, left = comp + "px";
    for (var i = 0; i < view.length; i++) { if (!view[i].hidden) {
      if (cm.options.fixedGutter) {
        if (view[i].gutter)
          { view[i].gutter.style.left = left; }
        if (view[i].gutterBackground)
          { view[i].gutterBackground.style.left = left; }
      }
      var align = view[i].alignable;
      if (align) { for (var j = 0; j < align.length; j++)
        { align[j].style.left = left; } }
    } }
    if (cm.options.fixedGutter)
      { display.gutters.style.left = (comp + gutterW) + "px"; }
  }

  // Used to ensure that the line number gutter is still the right
  // size for the current document size. Returns true when an update
  // is needed.
  function maybeUpdateLineNumberWidth(cm) {
    if (!cm.options.lineNumbers) { return false }
    var doc = cm.doc, last = lineNumberFor(cm.options, doc.first + doc.size - 1), display = cm.display;
    if (last.length != display.lineNumChars) {
      var test = display.measure.appendChild(elt("div", [elt("div", last)],
                                                 "CodeMirror-linenumber CodeMirror-gutter-elt"));
      var innerW = test.firstChild.offsetWidth, padding = test.offsetWidth - innerW;
      display.lineGutter.style.width = "";
      display.lineNumInnerWidth = Math.max(innerW, display.lineGutter.offsetWidth - padding) + 1;
      display.lineNumWidth = display.lineNumInnerWidth + padding;
      display.lineNumChars = display.lineNumInnerWidth ? last.length : -1;
      display.lineGutter.style.width = display.lineNumWidth + "px";
      updateGutterSpace(cm.display);
      return true
    }
    return false
  }

  function getGutters(gutters, lineNumbers) {
    var result = [], sawLineNumbers = false;
    for (var i = 0; i < gutters.length; i++) {
      var name = gutters[i], style = null;
      if (typeof name != "string") { style = name.style; name = name.className; }
      if (name == "CodeMirror-linenumbers") {
        if (!lineNumbers) { continue }
        else { sawLineNumbers = true; }
      }
      result.push({className: name, style: style});
    }
    if (lineNumbers && !sawLineNumbers) { result.push({className: "CodeMirror-linenumbers", style: null}); }
    return result
  }

  // Rebuild the gutter elements, ensure the margin to the left of the
  // code matches their width.
  function renderGutters(display) {
    var gutters = display.gutters, specs = display.gutterSpecs;
    removeChildren(gutters);
    display.lineGutter = null;
    for (var i = 0; i < specs.length; ++i) {
      var ref = specs[i];
      var className = ref.className;
      var style = ref.style;
      var gElt = gutters.appendChild(elt("div", null, "CodeMirror-gutter " + className));
      if (style) { gElt.style.cssText = style; }
      if (className == "CodeMirror-linenumbers") {
        display.lineGutter = gElt;
        gElt.style.width = (display.lineNumWidth || 1) + "px";
      }
    }
    gutters.style.display = specs.length ? "" : "none";
    updateGutterSpace(display);
  }

  function updateGutters(cm) {
    renderGutters(cm.display);
    regChange(cm);
    alignHorizontally(cm);
  }

  // The display handles the DOM integration, both for input reading
  // and content drawing. It holds references to DOM nodes and
  // display-related state.

  function Display(place, doc, input, options) {
    var d = this;
    this.input = input;

    // Covers bottom-right square when both scrollbars are present.
    d.scrollbarFiller = elt("div", null, "CodeMirror-scrollbar-filler");
    d.scrollbarFiller.setAttribute("cm-not-content", "true");
    // Covers bottom of gutter when coverGutterNextToScrollbar is on
    // and h scrollbar is present.
    d.gutterFiller = elt("div", null, "CodeMirror-gutter-filler");
    d.gutterFiller.setAttribute("cm-not-content", "true");
    // Will contain the actual code, positioned to cover the viewport.
    d.lineDiv = eltP("div", null, "CodeMirror-code");
    // Elements are added to these to represent selection and cursors.
    d.selectionDiv = elt("div", null, null, "position: relative; z-index: 1");
    d.cursorDiv = elt("div", null, "CodeMirror-cursors");
    // A visibility: hidden element used to find the size of things.
    d.measure = elt("div", null, "CodeMirror-measure");
    // When lines outside of the viewport are measured, they are drawn in this.
    d.lineMeasure = elt("div", null, "CodeMirror-measure");
    // Wraps everything that needs to exist inside the vertically-padded coordinate system
    d.lineSpace = eltP("div", [d.measure, d.lineMeasure, d.selectionDiv, d.cursorDiv, d.lineDiv],
                      null, "position: relative; outline: none");
    var lines = eltP("div", [d.lineSpace], "CodeMirror-lines");
    // Moved around its parent to cover visible view.
    d.mover = elt("div", [lines], null, "position: relative");
    // Set to the height of the document, allowing scrolling.
    d.sizer = elt("div", [d.mover], "CodeMirror-sizer");
    d.sizerWidth = null;
    // Behavior of elts with overflow: auto and padding is
    // inconsistent across browsers. This is used to ensure the
    // scrollable area is big enough.
    d.heightForcer = elt("div", null, null, "position: absolute; height: " + scrollerGap + "px; width: 1px;");
    // Will contain the gutters, if any.
    d.gutters = elt("div", null, "CodeMirror-gutters");
    d.lineGutter = null;
    // Actual scrollable element.
    d.scroller = elt("div", [d.sizer, d.heightForcer, d.gutters], "CodeMirror-scroll");
    d.scroller.setAttribute("tabIndex", "-1");
    // The element in which the editor lives.
    d.wrapper = elt("div", [d.scrollbarFiller, d.gutterFiller, d.scroller], "CodeMirror");

    // Work around IE7 z-index bug (not perfect, hence IE7 not really being supported)
    if (ie && ie_version < 8) { d.gutters.style.zIndex = -1; d.scroller.style.paddingRight = 0; }
    if (!webkit && !(gecko && mobile)) { d.scroller.draggable = true; }

    if (place) {
      if (place.appendChild) { place.appendChild(d.wrapper); }
      else { place(d.wrapper); }
    }

    // Current rendered range (may be bigger than the view window).
    d.viewFrom = d.viewTo = doc.first;
    d.reportedViewFrom = d.reportedViewTo = doc.first;
    // Information about the rendered lines.
    d.view = [];
    d.renderedView = null;
    // Holds info about a single rendered line when it was rendered
    // for measurement, while not in view.
    d.externalMeasured = null;
    // Empty space (in pixels) above the view
    d.viewOffset = 0;
    d.lastWrapHeight = d.lastWrapWidth = 0;
    d.updateLineNumbers = null;

    d.nativeBarWidth = d.barHeight = d.barWidth = 0;
    d.scrollbarsClipped = false;

    // Used to only resize the line number gutter when necessary (when
    // the amount of lines crosses a boundary that makes its width change)
    d.lineNumWidth = d.lineNumInnerWidth = d.lineNumChars = null;
    // Set to true when a non-horizontal-scrolling line widget is
    // added. As an optimization, line widget aligning is skipped when
    // this is false.
    d.alignWidgets = false;

    d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null;

    // Tracks the maximum line length so that the horizontal scrollbar
    // can be kept static when scrolling.
    d.maxLine = null;
    d.maxLineLength = 0;
    d.maxLineChanged = false;

    // Used for measuring wheel scrolling granularity
    d.wheelDX = d.wheelDY = d.wheelStartX = d.wheelStartY = null;

    // True when shift is held down.
    d.shift = false;

    // Used to track whether anything happened since the context menu
    // was opened.
    d.selForContextMenu = null;

    d.activeTouch = null;

    d.gutterSpecs = getGutters(options.gutters, options.lineNumbers);
    renderGutters(d);

    input.init(d);
  }

  // Since the delta values reported on mouse wheel events are
  // unstandardized between browsers and even browser versions, and
  // generally horribly unpredictable, this code starts by measuring
  // the scroll effect that the first few mouse wheel events have,
  // and, from that, detects the way it can convert deltas to pixel
  // offsets afterwards.
  //
  // The reason we want to know the amount a wheel event will scroll
  // is that it gives us a chance to update the display before the
  // actual scrolling happens, reducing flickering.

  var wheelSamples = 0, wheelPixelsPerUnit = null;
  // Fill in a browser-detected starting value on browsers where we
  // know one. These don't have to be accurate -- the result of them
  // being wrong would just be a slight flicker on the first wheel
  // scroll (if it is large enough).
  if (ie) { wheelPixelsPerUnit = -.53; }
  else if (gecko) { wheelPixelsPerUnit = 15; }
  else if (chrome) { wheelPixelsPerUnit = -.7; }
  else if (safari) { wheelPixelsPerUnit = -1/3; }

  function wheelEventDelta(e) {
    var dx = e.wheelDeltaX, dy = e.wheelDeltaY;
    if (dx == null && e.detail && e.axis == e.HORIZONTAL_AXIS) { dx = e.detail; }
    if (dy == null && e.detail && e.axis == e.VERTICAL_AXIS) { dy = e.detail; }
    else if (dy == null) { dy = e.wheelDelta; }
    return {x: dx, y: dy}
  }
  function wheelEventPixels(e) {
    var delta = wheelEventDelta(e);
    delta.x *= wheelPixelsPerUnit;
    delta.y *= wheelPixelsPerUnit;
    return delta
  }

  function onScrollWheel(cm, e) {
    var delta = wheelEventDelta(e), dx = delta.x, dy = delta.y;

    var display = cm.display, scroll = display.scroller;
    // Quit if there's nothing to scroll here
    var canScrollX = scroll.scrollWidth > scroll.clientWidth;
    var canScrollY = scroll.scrollHeight > scroll.clientHeight;
    if (!(dx && canScrollX || dy && canScrollY)) { return }

    // Webkit browsers on OS X abort momentum scrolls when the target
    // of the scroll event is removed from the scrollable element.
    // This hack (see related code in patchDisplay) makes sure the
    // element is kept around.
    if (dy && mac && webkit) {
      outer: for (var cur = e.target, view = display.view; cur != scroll; cur = cur.parentNode) {
        for (var i = 0; i < view.length; i++) {
          if (view[i].node == cur) {
            cm.display.currentWheelTarget = cur;
            break outer
          }
        }
      }
    }

    // On some browsers, horizontal scrolling will cause redraws to
    // happen before the gutter has been realigned, causing it to
    // wriggle around in a most unseemly way. When we have an
    // estimated pixels/delta value, we just handle horizontal
    // scrolling entirely here. It'll be slightly off from native, but
    // better than glitching out.
    if (dx && !gecko && !presto && wheelPixelsPerUnit != null) {
      if (dy && canScrollY)
        { updateScrollTop(cm, Math.max(0, scroll.scrollTop + dy * wheelPixelsPerUnit)); }
      setScrollLeft(cm, Math.max(0, scroll.scrollLeft + dx * wheelPixelsPerUnit));
      // Only prevent default scrolling if vertical scrolling is
      // actually possible. Otherwise, it causes vertical scroll
      // jitter on OSX trackpads when deltaX is small and deltaY
      // is large (issue #3579)
      if (!dy || (dy && canScrollY))
        { e_preventDefault(e); }
      display.wheelStartX = null; // Abort measurement, if in progress
      return
    }

    // 'Project' the visible viewport to cover the area that is being
    // scrolled into view (if we know enough to estimate it).
    if (dy && wheelPixelsPerUnit != null) {
      var pixels = dy * wheelPixelsPerUnit;
      var top = cm.doc.scrollTop, bot = top + display.wrapper.clientHeight;
      if (pixels < 0) { top = Math.max(0, top + pixels - 50); }
      else { bot = Math.min(cm.doc.height, bot + pixels + 50); }
      updateDisplaySimple(cm, {top: top, bottom: bot});
    }

    if (wheelSamples < 20) {
      if (display.wheelStartX == null) {
        display.wheelStartX = scroll.scrollLeft; display.wheelStartY = scroll.scrollTop;
        display.wheelDX = dx; display.wheelDY = dy;
        setTimeout(function () {
          if (display.wheelStartX == null) { return }
          var movedX = scroll.scrollLeft - display.wheelStartX;
          var movedY = scroll.scrollTop - display.wheelStartY;
          var sample = (movedY && display.wheelDY && movedY / display.wheelDY) ||
            (movedX && display.wheelDX && movedX / display.wheelDX);
          display.wheelStartX = display.wheelStartY = null;
          if (!sample) { return }
          wheelPixelsPerUnit = (wheelPixelsPerUnit * wheelSamples + sample) / (wheelSamples + 1);
          ++wheelSamples;
        }, 200);
      } else {
        display.wheelDX += dx; display.wheelDY += dy;
      }
    }
  }

  // Selection objects are immutable. A new one is created every time
  // the selection changes. A selection is one or more non-overlapping
  // (and non-touching) ranges, sorted, and an integer that indicates
  // which one is the primary selection (the one that's scrolled into
  // view, that getCursor returns, etc).
  var Selection = function(ranges, primIndex) {
    this.ranges = ranges;
    this.primIndex = primIndex;
  };

  Selection.prototype.primary = function () { return this.ranges[this.primIndex] };

  Selection.prototype.equals = function (other) {
    if (other == this) { return true }
    if (other.primIndex != this.primIndex || other.ranges.length != this.ranges.length) { return false }
    for (var i = 0; i < this.ranges.length; i++) {
      var here = this.ranges[i], there = other.ranges[i];
      if (!equalCursorPos(here.anchor, there.anchor) || !equalCursorPos(here.head, there.head)) { return false }
    }
    return true
  };

  Selection.prototype.deepCopy = function () {
    var out = [];
    for (var i = 0; i < this.ranges.length; i++)
      { out[i] = new Range(copyPos(this.ranges[i].anchor), copyPos(this.ranges[i].head)); }
    return new Selection(out, this.primIndex)
  };

  Selection.prototype.somethingSelected = function () {
    for (var i = 0; i < this.ranges.length; i++)
      { if (!this.ranges[i].empty()) { return true } }
    return false
  };

  Selection.prototype.contains = function (pos, end) {
    if (!end) { end = pos; }
    for (var i = 0; i < this.ranges.length; i++) {
      var range = this.ranges[i];
      if (cmp(end, range.from()) >= 0 && cmp(pos, range.to()) <= 0)
        { return i }
    }
    return -1
  };

  var Range = function(anchor, head) {
    this.anchor = anchor; this.head = head;
  };

  Range.prototype.from = function () { return minPos(this.anchor, this.head) };
  Range.prototype.to = function () { return maxPos(this.anchor, this.head) };
  Range.prototype.empty = function () { return this.head.line == this.anchor.line && this.head.ch == this.anchor.ch };

  // Take an unsorted, potentially overlapping set of ranges, and
  // build a selection out of it. 'Consumes' ranges array (modifying
  // it).
  function normalizeSelection(cm, ranges, primIndex) {
    var mayTouch = cm && cm.options.selectionsMayTouch;
    var prim = ranges[primIndex];
    ranges.sort(function (a, b) { return cmp(a.from(), b.from()); });
    primIndex = indexOf(ranges, prim);
    for (var i = 1; i < ranges.length; i++) {
      var cur = ranges[i], prev = ranges[i - 1];
      var diff = cmp(prev.to(), cur.from());
      if (mayTouch && !cur.empty() ? diff > 0 : diff >= 0) {
        var from = minPos(prev.from(), cur.from()), to = maxPos(prev.to(), cur.to());
        var inv = prev.empty() ? cur.from() == cur.head : prev.from() == prev.head;
        if (i <= primIndex) { --primIndex; }
        ranges.splice(--i, 2, new Range(inv ? to : from, inv ? from : to));
      }
    }
    return new Selection(ranges, primIndex)
  }

  function simpleSelection(anchor, head) {
    return new Selection([new Range(anchor, head || anchor)], 0)
  }

  // Compute the position of the end of a change (its 'to' property
  // refers to the pre-change end).
  function changeEnd(change) {
    if (!change.text) { return change.to }
    return Pos(change.from.line + change.text.length - 1,
               lst(change.text).length + (change.text.length == 1 ? change.from.ch : 0))
  }

  // Adjust a position to refer to the post-change position of the
  // same text, or the end of the change if the change covers it.
  function adjustForChange(pos, change) {
    if (cmp(pos, change.from) < 0) { return pos }
    if (cmp(pos, change.to) <= 0) { return changeEnd(change) }

    var line = pos.line + change.text.length - (change.to.line - change.from.line) - 1, ch = pos.ch;
    if (pos.line == change.to.line) { ch += changeEnd(change).ch - change.to.ch; }
    return Pos(line, ch)
  }

  function computeSelAfterChange(doc, change) {
    var out = [];
    for (var i = 0; i < doc.sel.ranges.length; i++) {
      var range = doc.sel.ranges[i];
      out.push(new Range(adjustForChange(range.anchor, change),
                         adjustForChange(range.head, change)));
    }
    return normalizeSelection(doc.cm, out, doc.sel.primIndex)
  }

  function offsetPos(pos, old, nw) {
    if (pos.line == old.line)
      { return Pos(nw.line, pos.ch - old.ch + nw.ch) }
    else
      { return Pos(nw.line + (pos.line - old.line), pos.ch) }
  }

  // Used by replaceSelections to allow moving the selection to the
  // start or around the replaced test. Hint may be "start" or "around".
  function computeReplacedSel(doc, changes, hint) {
    var out = [];
    var oldPrev = Pos(doc.first, 0), newPrev = oldPrev;
    for (var i = 0; i < changes.length; i++) {
      var change = changes[i];
      var from = offsetPos(change.from, oldPrev, newPrev);
      var to = offsetPos(changeEnd(change), oldPrev, newPrev);
      oldPrev = change.to;
      newPrev = to;
      if (hint == "around") {
        var range = doc.sel.ranges[i], inv = cmp(range.head, range.anchor) < 0;
        out[i] = new Range(inv ? to : from, inv ? from : to);
      } else {
        out[i] = new Range(from, from);
      }
    }
    return new Selection(out, doc.sel.primIndex)
  }

  // Used to get the editor into a consistent state again when options change.

  function loadMode(cm) {
    cm.doc.mode = getMode(cm.options, cm.doc.modeOption);
    resetModeState(cm);
  }

  function resetModeState(cm) {
    cm.doc.iter(function (line) {
      if (line.stateAfter) { line.stateAfter = null; }
      if (line.styles) { line.styles = null; }
    });
    cm.doc.modeFrontier = cm.doc.highlightFrontier = cm.doc.first;
    startWorker(cm, 100);
    cm.state.modeGen++;
    if (cm.curOp) { regChange(cm); }
  }

  // DOCUMENT DATA STRUCTURE

  // By default, updates that start and end at the beginning of a line
  // are treated specially, in order to make the association of line
  // widgets and marker elements with the text behave more intuitive.
  function isWholeLineUpdate(doc, change) {
    return change.from.ch == 0 && change.to.ch == 0 && lst(change.text) == "" &&
      (!doc.cm || doc.cm.options.wholeLineUpdateBefore)
  }

  // Perform a change on the document data structure.
  function updateDoc(doc, change, markedSpans, estimateHeight) {
    function spansFor(n) {return markedSpans ? markedSpans[n] : null}
    function update(line, text, spans) {
      updateLine(line, text, spans, estimateHeight);
      signalLater(line, "change", line, change);
    }
    function linesFor(start, end) {
      var result = [];
      for (var i = start; i < end; ++i)
        { result.push(new Line(text[i], spansFor(i), estimateHeight)); }
      return result
    }

    var from = change.from, to = change.to, text = change.text;
    var firstLine = getLine(doc, from.line), lastLine = getLine(doc, to.line);
    var lastText = lst(text), lastSpans = spansFor(text.length - 1), nlines = to.line - from.line;

    // Adjust the line structure
    if (change.full) {
      doc.insert(0, linesFor(0, text.length));
      doc.remove(text.length, doc.size - text.length);
    } else if (isWholeLineUpdate(doc, change)) {
      // This is a whole-line replace. Treated specially to make
      // sure line objects move the way they are supposed to.
      var added = linesFor(0, text.length - 1);
      update(lastLine, lastLine.text, lastSpans);
      if (nlines) { doc.remove(from.line, nlines); }
      if (added.length) { doc.insert(from.line, added); }
    } else if (firstLine == lastLine) {
      if (text.length == 1) {
        update(firstLine, firstLine.text.slice(0, from.ch) + lastText + firstLine.text.slice(to.ch), lastSpans);
      } else {
        var added$1 = linesFor(1, text.length - 1);
        added$1.push(new Line(lastText + firstLine.text.slice(to.ch), lastSpans, estimateHeight));
        update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0));
        doc.insert(from.line + 1, added$1);
      }
    } else if (text.length == 1) {
      update(firstLine, firstLine.text.slice(0, from.ch) + text[0] + lastLine.text.slice(to.ch), spansFor(0));
      doc.remove(from.line + 1, nlines);
    } else {
      update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0));
      update(lastLine, lastText + lastLine.text.slice(to.ch), lastSpans);
      var added$2 = linesFor(1, text.length - 1);
      if (nlines > 1) { doc.remove(from.line + 1, nlines - 1); }
      doc.insert(from.line + 1, added$2);
    }

    signalLater(doc, "change", doc, change);
  }

  // Call f for all linked documents.
  function linkedDocs(doc, f, sharedHistOnly) {
    function propagate(doc, skip, sharedHist) {
      if (doc.linked) { for (var i = 0; i < doc.linked.length; ++i) {
        var rel = doc.linked[i];
        if (rel.doc == skip) { continue }
        var shared = sharedHist && rel.sharedHist;
        if (sharedHistOnly && !shared) { continue }
        f(rel.doc, shared);
        propagate(rel.doc, doc, shared);
      } }
    }
    propagate(doc, null, true);
  }

  // Attach a document to an editor.
  function attachDoc(cm, doc) {
    if (doc.cm) { throw new Error("This document is already in use.") }
    cm.doc = doc;
    doc.cm = cm;
    estimateLineHeights(cm);
    loadMode(cm);
    setDirectionClass(cm);
    if (!cm.options.lineWrapping) { findMaxLine(cm); }
    cm.options.mode = doc.modeOption;
    regChange(cm);
  }

  function setDirectionClass(cm) {
  (cm.doc.direction == "rtl" ? addClass : rmClass)(cm.display.lineDiv, "CodeMirror-rtl");
  }

  function directionChanged(cm) {
    runInOp(cm, function () {
      setDirectionClass(cm);
      regChange(cm);
    });
  }

  function History(startGen) {
    // Arrays of change events and selections. Doing something adds an
    // event to done and clears undo. Undoing moves events from done
    // to undone, redoing moves them in the other direction.
    this.done = []; this.undone = [];
    this.undoDepth = Infinity;
    // Used to track when changes can be merged into a single undo
    // event
    this.lastModTime = this.lastSelTime = 0;
    this.lastOp = this.lastSelOp = null;
    this.lastOrigin = this.lastSelOrigin = null;
    // Used by the isClean() method
    this.generation = this.maxGeneration = startGen || 1;
  }

  // Create a history change event from an updateDoc-style change
  // object.
  function historyChangeFromChange(doc, change) {
    var histChange = {from: copyPos(change.from), to: changeEnd(change), text: getBetween(doc, change.from, change.to)};
    attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1);
    linkedDocs(doc, function (doc) { return attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1); }, true);
    return histChange
  }

  // Pop all selection events off the end of a history array. Stop at
  // a change event.
  function clearSelectionEvents(array) {
    while (array.length) {
      var last = lst(array);
      if (last.ranges) { array.pop(); }
      else { break }
    }
  }

  // Find the top change event in the history. Pop off selection
  // events that are in the way.
  function lastChangeEvent(hist, force) {
    if (force) {
      clearSelectionEvents(hist.done);
      return lst(hist.done)
    } else if (hist.done.length && !lst(hist.done).ranges) {
      return lst(hist.done)
    } else if (hist.done.length > 1 && !hist.done[hist.done.length - 2].ranges) {
      hist.done.pop();
      return lst(hist.done)
    }
  }

  // Register a change in the history. Merges changes that are within
  // a single operation, or are close together with an origin that
  // allows merging (starting with "+") into a single event.
  function addChangeToHistory(doc, change, selAfter, opId) {
    var hist = doc.history;
    hist.undone.length = 0;
    var time = +new Date, cur;
    var last;

    if ((hist.lastOp == opId ||
         hist.lastOrigin == change.origin && change.origin &&
         ((change.origin.charAt(0) == "+" && hist.lastModTime > time - (doc.cm ? doc.cm.options.historyEventDelay : 500)) ||
          change.origin.charAt(0) == "*")) &&
        (cur = lastChangeEvent(hist, hist.lastOp == opId))) {
      // Merge this change into the last event
      last = lst(cur.changes);
      if (cmp(change.from, change.to) == 0 && cmp(change.from, last.to) == 0) {
        // Optimized case for simple insertion -- don't want to add
        // new changesets for every character typed
        last.to = changeEnd(change);
      } else {
        // Add new sub-event
        cur.changes.push(historyChangeFromChange(doc, change));
      }
    } else {
      // Can not be merged, start a new event.
      var before = lst(hist.done);
      if (!before || !before.ranges)
        { pushSelectionToHistory(doc.sel, hist.done); }
      cur = {changes: [historyChangeFromChange(doc, change)],
             generation: hist.generation};
      hist.done.push(cur);
      while (hist.done.length > hist.undoDepth) {
        hist.done.shift();
        if (!hist.done[0].ranges) { hist.done.shift(); }
      }
    }
    hist.done.push(selAfter);
    hist.generation = ++hist.maxGeneration;
    hist.lastModTime = hist.lastSelTime = time;
    hist.lastOp = hist.lastSelOp = opId;
    hist.lastOrigin = hist.lastSelOrigin = change.origin;

    if (!last) { signal(doc, "historyAdded"); }
  }

  function selectionEventCanBeMerged(doc, origin, prev, sel) {
    var ch = origin.charAt(0);
    return ch == "*" ||
      ch == "+" &&
      prev.ranges.length == sel.ranges.length &&
      prev.somethingSelected() == sel.somethingSelected() &&
      new Date - doc.history.lastSelTime <= (doc.cm ? doc.cm.options.historyEventDelay : 500)
  }

  // Called whenever the selection changes, sets the new selection as
  // the pending selection in the history, and pushes the old pending
  // selection into the 'done' array when it was significantly
  // different (in number of selected ranges, emptiness, or time).
  function addSelectionToHistory(doc, sel, opId, options) {
    var hist = doc.history, origin = options && options.origin;

    // A new event is started when the previous origin does not match
    // the current, or the origins don't allow matching. Origins
    // starting with * are always merged, those starting with + are
    // merged when similar and close together in time.
    if (opId == hist.lastSelOp ||
        (origin && hist.lastSelOrigin == origin &&
         (hist.lastModTime == hist.lastSelTime && hist.lastOrigin == origin ||
          selectionEventCanBeMerged(doc, origin, lst(hist.done), sel))))
      { hist.done[hist.done.length - 1] = sel; }
    else
      { pushSelectionToHistory(sel, hist.done); }

    hist.lastSelTime = +new Date;
    hist.lastSelOrigin = origin;
    hist.lastSelOp = opId;
    if (options && options.clearRedo !== false)
      { clearSelectionEvents(hist.undone); }
  }

  function pushSelectionToHistory(sel, dest) {
    var top = lst(dest);
    if (!(top && top.ranges && top.equals(sel)))
      { dest.push(sel); }
  }

  // Used to store marked span information in the history.
  function attachLocalSpans(doc, change, from, to) {
    var existing = change["spans_" + doc.id], n = 0;
    doc.iter(Math.max(doc.first, from), Math.min(doc.first + doc.size, to), function (line) {
      if (line.markedSpans)
        { (existing || (existing = change["spans_" + doc.id] = {}))[n] = line.markedSpans; }
      ++n;
    });
  }

  // When un/re-doing restores text containing marked spans, those
  // that have been explicitly cleared should not be restored.
  function removeClearedSpans(spans) {
    if (!spans) { return null }
    var out;
    for (var i = 0; i < spans.length; ++i) {
      if (spans[i].marker.explicitlyCleared) { if (!out) { out = spans.slice(0, i); } }
      else if (out) { out.push(spans[i]); }
    }
    return !out ? spans : out.length ? out : null
  }

  // Retrieve and filter the old marked spans stored in a change event.
  function getOldSpans(doc, change) {
    var found = change["spans_" + doc.id];
    if (!found) { return null }
    var nw = [];
    for (var i = 0; i < change.text.length; ++i)
      { nw.push(removeClearedSpans(found[i])); }
    return nw
  }

  // Used for un/re-doing changes from the history. Combines the
  // result of computing the existing spans with the set of spans that
  // existed in the history (so that deleting around a span and then
  // undoing brings back the span).
  function mergeOldSpans(doc, change) {
    var old = getOldSpans(doc, change);
    var stretched = stretchSpansOverChange(doc, change);
    if (!old) { return stretched }
    if (!stretched) { return old }

    for (var i = 0; i < old.length; ++i) {
      var oldCur = old[i], stretchCur = stretched[i];
      if (oldCur && stretchCur) {
        spans: for (var j = 0; j < stretchCur.length; ++j) {
          var span = stretchCur[j];
          for (var k = 0; k < oldCur.length; ++k)
            { if (oldCur[k].marker == span.marker) { continue spans } }
          oldCur.push(span);
        }
      } else if (stretchCur) {
        old[i] = stretchCur;
      }
    }
    return old
  }

  // Used both to provide a JSON-safe object in .getHistory, and, when
  // detaching a document, to split the history in two
  function copyHistoryArray(events, newGroup, instantiateSel) {
    var copy = [];
    for (var i = 0; i < events.length; ++i) {
      var event = events[i];
      if (event.ranges) {
        copy.push(instantiateSel ? Selection.prototype.deepCopy.call(event) : event);
        continue
      }
      var changes = event.changes, newChanges = [];
      copy.push({changes: newChanges});
      for (var j = 0; j < changes.length; ++j) {
        var change = changes[j], m = (void 0);
        newChanges.push({from: change.from, to: change.to, text: change.text});
        if (newGroup) { for (var prop in change) { if (m = prop.match(/^spans_(\d+)$/)) {
          if (indexOf(newGroup, Number(m[1])) > -1) {
            lst(newChanges)[prop] = change[prop];
            delete change[prop];
          }
        } } }
      }
    }
    return copy
  }

  // The 'scroll' parameter given to many of these indicated whether
  // the new cursor position should be scrolled into view after
  // modifying the selection.

  // If shift is held or the extend flag is set, extends a range to
  // include a given position (and optionally a second position).
  // Otherwise, simply returns the range between the given positions.
  // Used for cursor motion and such.
  function extendRange(range, head, other, extend) {
    if (extend) {
      var anchor = range.anchor;
      if (other) {
        var posBefore = cmp(head, anchor) < 0;
        if (posBefore != (cmp(other, anchor) < 0)) {
          anchor = head;
          head = other;
        } else if (posBefore != (cmp(head, other) < 0)) {
          head = other;
        }
      }
      return new Range(anchor, head)
    } else {
      return new Range(other || head, head)
    }
  }

  // Extend the primary selection range, discard the rest.
  function extendSelection(doc, head, other, options, extend) {
    if (extend == null) { extend = doc.cm && (doc.cm.display.shift || doc.extend); }
    setSelection(doc, new Selection([extendRange(doc.sel.primary(), head, other, extend)], 0), options);
  }

  // Extend all selections (pos is an array of selections with length
  // equal the number of selections)
  function extendSelections(doc, heads, options) {
    var out = [];
    var extend = doc.cm && (doc.cm.display.shift || doc.extend);
    for (var i = 0; i < doc.sel.ranges.length; i++)
      { out[i] = extendRange(doc.sel.ranges[i], heads[i], null, extend); }
    var newSel = normalizeSelection(doc.cm, out, doc.sel.primIndex);
    setSelection(doc, newSel, options);
  }

  // Updates a single range in the selection.
  function replaceOneSelection(doc, i, range, options) {
    var ranges = doc.sel.ranges.slice(0);
    ranges[i] = range;
    setSelection(doc, normalizeSelection(doc.cm, ranges, doc.sel.primIndex), options);
  }

  // Reset the selection to a single range.
  function setSimpleSelection(doc, anchor, head, options) {
    setSelection(doc, simpleSelection(anchor, head), options);
  }

  // Give beforeSelectionChange handlers a change to influence a
  // selection update.
  function filterSelectionChange(doc, sel, options) {
    var obj = {
      ranges: sel.ranges,
      update: function(ranges) {
        this.ranges = [];
        for (var i = 0; i < ranges.length; i++)
          { this.ranges[i] = new Range(clipPos(doc, ranges[i].anchor),
                                     clipPos(doc, ranges[i].head)); }
      },
      origin: options && options.origin
    };
    signal(doc, "beforeSelectionChange", doc, obj);
    if (doc.cm) { signal(doc.cm, "beforeSelectionChange", doc.cm, obj); }
    if (obj.ranges != sel.ranges) { return normalizeSelection(doc.cm, obj.ranges, obj.ranges.length - 1) }
    else { return sel }
  }

  function setSelectionReplaceHistory(doc, sel, options) {
    var done = doc.history.done, last = lst(done);
    if (last && last.ranges) {
      done[done.length - 1] = sel;
      setSelectionNoUndo(doc, sel, options);
    } else {
      setSelection(doc, sel, options);
    }
  }

  // Set a new selection.
  function setSelection(doc, sel, options) {
    setSelectionNoUndo(doc, sel, options);
    addSelectionToHistory(doc, doc.sel, doc.cm ? doc.cm.curOp.id : NaN, options);
  }

  function setSelectionNoUndo(doc, sel, options) {
    if (hasHandler(doc, "beforeSelectionChange") || doc.cm && hasHandler(doc.cm, "beforeSelectionChange"))
      { sel = filterSelectionChange(doc, sel, options); }

    var bias = options && options.bias ||
      (cmp(sel.primary().head, doc.sel.primary().head) < 0 ? -1 : 1);
    setSelectionInner(doc, skipAtomicInSelection(doc, sel, bias, true));

    if (!(options && options.scroll === false) && doc.cm)
      { ensureCursorVisible(doc.cm); }
  }

  function setSelectionInner(doc, sel) {
    if (sel.equals(doc.sel)) { return }

    doc.sel = sel;

    if (doc.cm) {
      doc.cm.curOp.updateInput = 1;
      doc.cm.curOp.selectionChanged = true;
      signalCursorActivity(doc.cm);
    }
    signalLater(doc, "cursorActivity", doc);
  }

  // Verify that the selection does not partially select any atomic
  // marked ranges.
  function reCheckSelection(doc) {
    setSelectionInner(doc, skipAtomicInSelection(doc, doc.sel, null, false));
  }

  // Return a selection that does not partially select any atomic
  // ranges.
  function skipAtomicInSelection(doc, sel, bias, mayClear) {
    var out;
    for (var i = 0; i < sel.ranges.length; i++) {
      var range = sel.ranges[i];
      var old = sel.ranges.length == doc.sel.ranges.length && doc.sel.ranges[i];
      var newAnchor = skipAtomic(doc, range.anchor, old && old.anchor, bias, mayClear);
      var newHead = skipAtomic(doc, range.head, old && old.head, bias, mayClear);
      if (out || newAnchor != range.anchor || newHead != range.head) {
        if (!out) { out = sel.ranges.slice(0, i); }
        out[i] = new Range(newAnchor, newHead);
      }
    }
    return out ? normalizeSelection(doc.cm, out, sel.primIndex) : sel
  }

  function skipAtomicInner(doc, pos, oldPos, dir, mayClear) {
    var line = getLine(doc, pos.line);
    if (line.markedSpans) { for (var i = 0; i < line.markedSpans.length; ++i) {
      var sp = line.markedSpans[i], m = sp.marker;

      // Determine if we should prevent the cursor being placed to the left/right of an atomic marker
      // Historically this was determined using the inclusiveLeft/Right option, but the new way to control it
      // is with selectLeft/Right
      var preventCursorLeft = ("selectLeft" in m) ? !m.selectLeft : m.inclusiveLeft;
      var preventCursorRight = ("selectRight" in m) ? !m.selectRight : m.inclusiveRight;

      if ((sp.from == null || (preventCursorLeft ? sp.from <= pos.ch : sp.from < pos.ch)) &&
          (sp.to == null || (preventCursorRight ? sp.to >= pos.ch : sp.to > pos.ch))) {
        if (mayClear) {
          signal(m, "beforeCursorEnter");
          if (m.explicitlyCleared) {
            if (!line.markedSpans) { break }
            else {--i; continue}
          }
        }
        if (!m.atomic) { continue }

        if (oldPos) {
          var near = m.find(dir < 0 ? 1 : -1), diff = (void 0);
          if (dir < 0 ? preventCursorRight : preventCursorLeft)
            { near = movePos(doc, near, -dir, near && near.line == pos.line ? line : null); }
          if (near && near.line == pos.line && (diff = cmp(near, oldPos)) && (dir < 0 ? diff < 0 : diff > 0))
            { return skipAtomicInner(doc, near, pos, dir, mayClear) }
        }

        var far = m.find(dir < 0 ? -1 : 1);
        if (dir < 0 ? preventCursorLeft : preventCursorRight)
          { far = movePos(doc, far, dir, far.line == pos.line ? line : null); }
        return far ? skipAtomicInner(doc, far, pos, dir, mayClear) : null
      }
    } }
    return pos
  }

  // Ensure a given position is not inside an atomic range.
  function skipAtomic(doc, pos, oldPos, bias, mayClear) {
    var dir = bias || 1;
    var found = skipAtomicInner(doc, pos, oldPos, dir, mayClear) ||
        (!mayClear && skipAtomicInner(doc, pos, oldPos, dir, true)) ||
        skipAtomicInner(doc, pos, oldPos, -dir, mayClear) ||
        (!mayClear && skipAtomicInner(doc, pos, oldPos, -dir, true));
    if (!found) {
      doc.cantEdit = true;
      return Pos(doc.first, 0)
    }
    return found
  }

  function movePos(doc, pos, dir, line) {
    if (dir < 0 && pos.ch == 0) {
      if (pos.line > doc.first) { return clipPos(doc, Pos(pos.line - 1)) }
      else { return null }
    } else if (dir > 0 && pos.ch == (line || getLine(doc, pos.line)).text.length) {
      if (pos.line < doc.first + doc.size - 1) { return Pos(pos.line + 1, 0) }
      else { return null }
    } else {
      return new Pos(pos.line, pos.ch + dir)
    }
  }

  function selectAll(cm) {
    cm.setSelection(Pos(cm.firstLine(), 0), Pos(cm.lastLine()), sel_dontScroll);
  }

  // UPDATING

  // Allow "beforeChange" event handlers to influence a change
  function filterChange(doc, change, update) {
    var obj = {
      canceled: false,
      from: change.from,
      to: change.to,
      text: change.text,
      origin: change.origin,
      cancel: function () { return obj.canceled = true; }
    };
    if (update) { obj.update = function (from, to, text, origin) {
      if (from) { obj.from = clipPos(doc, from); }
      if (to) { obj.to = clipPos(doc, to); }
      if (text) { obj.text = text; }
      if (origin !== undefined) { obj.origin = origin; }
    }; }
    signal(doc, "beforeChange", doc, obj);
    if (doc.cm) { signal(doc.cm, "beforeChange", doc.cm, obj); }

    if (obj.canceled) {
      if (doc.cm) { doc.cm.curOp.updateInput = 2; }
      return null
    }
    return {from: obj.from, to: obj.to, text: obj.text, origin: obj.origin}
  }

  // Apply a change to a document, and add it to the document's
  // history, and propagating it to all linked documents.
  function makeChange(doc, change, ignoreReadOnly) {
    if (doc.cm) {
      if (!doc.cm.curOp) { return operation(doc.cm, makeChange)(doc, change, ignoreReadOnly) }
      if (doc.cm.state.suppressEdits) { return }
    }

    if (hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange")) {
      change = filterChange(doc, change, true);
      if (!change) { return }
    }

    // Possibly split or suppress the update based on the presence
    // of read-only spans in its range.
    var split = sawReadOnlySpans && !ignoreReadOnly && removeReadOnlyRanges(doc, change.from, change.to);
    if (split) {
      for (var i = split.length - 1; i >= 0; --i)
        { makeChangeInner(doc, {from: split[i].from, to: split[i].to, text: i ? [""] : change.text, origin: change.origin}); }
    } else {
      makeChangeInner(doc, change);
    }
  }

  function makeChangeInner(doc, change) {
    if (change.text.length == 1 && change.text[0] == "" && cmp(change.from, change.to) == 0) { return }
    var selAfter = computeSelAfterChange(doc, change);
    addChangeToHistory(doc, change, selAfter, doc.cm ? doc.cm.curOp.id : NaN);

    makeChangeSingleDoc(doc, change, selAfter, stretchSpansOverChange(doc, change));
    var rebased = [];

    linkedDocs(doc, function (doc, sharedHist) {
      if (!sharedHist && indexOf(rebased, doc.history) == -1) {
        rebaseHist(doc.history, change);
        rebased.push(doc.history);
      }
      makeChangeSingleDoc(doc, change, null, stretchSpansOverChange(doc, change));
    });
  }

  // Revert a change stored in a document's history.
  function makeChangeFromHistory(doc, type, allowSelectionOnly) {
    var suppress = doc.cm && doc.cm.state.suppressEdits;
    if (suppress && !allowSelectionOnly) { return }

    var hist = doc.history, event, selAfter = doc.sel;
    var source = type == "undo" ? hist.done : hist.undone, dest = type == "undo" ? hist.undone : hist.done;

    // Verify that there is a useable event (so that ctrl-z won't
    // needlessly clear selection events)
    var i = 0;
    for (; i < source.length; i++) {
      event = source[i];
      if (allowSelectionOnly ? event.ranges && !event.equals(doc.sel) : !event.ranges)
        { break }
    }
    if (i == source.length) { return }
    hist.lastOrigin = hist.lastSelOrigin = null;

    for (;;) {
      event = source.pop();
      if (event.ranges) {
        pushSelectionToHistory(event, dest);
        if (allowSelectionOnly && !event.equals(doc.sel)) {
          setSelection(doc, event, {clearRedo: false});
          return
        }
        selAfter = event;
      } else if (suppress) {
        source.push(event);
        return
      } else { break }
    }

    // Build up a reverse change object to add to the opposite history
    // stack (redo when undoing, and vice versa).
    var antiChanges = [];
    pushSelectionToHistory(selAfter, dest);
    dest.push({changes: antiChanges, generation: hist.generation});
    hist.generation = event.generation || ++hist.maxGeneration;

    var filter = hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange");

    var loop = function ( i ) {
      var change = event.changes[i];
      change.origin = type;
      if (filter && !filterChange(doc, change, false)) {
        source.length = 0;
        return {}
      }

      antiChanges.push(historyChangeFromChange(doc, change));

      var after = i ? computeSelAfterChange(doc, change) : lst(source);
      makeChangeSingleDoc(doc, change, after, mergeOldSpans(doc, change));
      if (!i && doc.cm) { doc.cm.scrollIntoView({from: change.from, to: changeEnd(change)}); }
      var rebased = [];

      // Propagate to the linked documents
      linkedDocs(doc, function (doc, sharedHist) {
        if (!sharedHist && indexOf(rebased, doc.history) == -1) {
          rebaseHist(doc.history, change);
          rebased.push(doc.history);
        }
        makeChangeSingleDoc(doc, change, null, mergeOldSpans(doc, change));
      });
    };

    for (var i$1 = event.changes.length - 1; i$1 >= 0; --i$1) {
      var returned = loop( i$1 );

      if ( returned ) return returned.v;
    }
  }

  // Sub-views need their line numbers shifted when text is added
  // above or below them in the parent document.
  function shiftDoc(doc, distance) {
    if (distance == 0) { return }
    doc.first += distance;
    doc.sel = new Selection(map(doc.sel.ranges, function (range) { return new Range(
      Pos(range.anchor.line + distance, range.anchor.ch),
      Pos(range.head.line + distance, range.head.ch)
    ); }), doc.sel.primIndex);
    if (doc.cm) {
      regChange(doc.cm, doc.first, doc.first - distance, distance);
      for (var d = doc.cm.display, l = d.viewFrom; l < d.viewTo; l++)
        { regLineChange(doc.cm, l, "gutter"); }
    }
  }

  // More lower-level change function, handling only a single document
  // (not linked ones).
  function makeChangeSingleDoc(doc, change, selAfter, spans) {
    if (doc.cm && !doc.cm.curOp)
      { return operation(doc.cm, makeChangeSingleDoc)(doc, change, selAfter, spans) }

    if (change.to.line < doc.first) {
      shiftDoc(doc, change.text.length - 1 - (change.to.line - change.from.line));
      return
    }
    if (change.from.line > doc.lastLine()) { return }

    // Clip the change to the size of this doc
    if (change.from.line < doc.first) {
      var shift = change.text.length - 1 - (doc.first - change.from.line);
      shiftDoc(doc, shift);
      change = {from: Pos(doc.first, 0), to: Pos(change.to.line + shift, change.to.ch),
                text: [lst(change.text)], origin: change.origin};
    }
    var last = doc.lastLine();
    if (change.to.line > last) {
      change = {from: change.from, to: Pos(last, getLine(doc, last).text.length),
                text: [change.text[0]], origin: change.origin};
    }

    change.removed = getBetween(doc, change.from, change.to);

    if (!selAfter) { selAfter = computeSelAfterChange(doc, change); }
    if (doc.cm) { makeChangeSingleDocInEditor(doc.cm, change, spans); }
    else { updateDoc(doc, change, spans); }
    setSelectionNoUndo(doc, selAfter, sel_dontScroll);

    if (doc.cantEdit && skipAtomic(doc, Pos(doc.firstLine(), 0)))
      { doc.cantEdit = false; }
  }

  // Handle the interaction of a change to a document with the editor
  // that this document is part of.
  function makeChangeSingleDocInEditor(cm, change, spans) {
    var doc = cm.doc, display = cm.display, from = change.from, to = change.to;

    var recomputeMaxLength = false, checkWidthStart = from.line;
    if (!cm.options.lineWrapping) {
      checkWidthStart = lineNo(visualLine(getLine(doc, from.line)));
      doc.iter(checkWidthStart, to.line + 1, function (line) {
        if (line == display.maxLine) {
          recomputeMaxLength = true;
          return true
        }
      });
    }

    if (doc.sel.contains(change.from, change.to) > -1)
      { signalCursorActivity(cm); }

    updateDoc(doc, change, spans, estimateHeight(cm));

    if (!cm.options.lineWrapping) {
      doc.iter(checkWidthStart, from.line + change.text.length, function (line) {
        var len = lineLength(line);
        if (len > display.maxLineLength) {
          display.maxLine = line;
          display.maxLineLength = len;
          display.maxLineChanged = true;
          recomputeMaxLength = false;
        }
      });
      if (recomputeMaxLength) { cm.curOp.updateMaxLine = true; }
    }

    retreatFrontier(doc, from.line);
    startWorker(cm, 400);

    var lendiff = change.text.length - (to.line - from.line) - 1;
    // Remember that these lines changed, for updating the display
    if (change.full)
      { regChange(cm); }
    else if (from.line == to.line && change.text.length == 1 && !isWholeLineUpdate(cm.doc, change))
      { regLineChange(cm, from.line, "text"); }
    else
      { regChange(cm, from.line, to.line + 1, lendiff); }

    var changesHandler = hasHandler(cm, "changes"), changeHandler = hasHandler(cm, "change");
    if (changeHandler || changesHandler) {
      var obj = {
        from: from, to: to,
        text: change.text,
        removed: change.removed,
        origin: change.origin
      };
      if (changeHandler) { signalLater(cm, "change", cm, obj); }
      if (changesHandler) { (cm.curOp.changeObjs || (cm.curOp.changeObjs = [])).push(obj); }
    }
    cm.display.selForContextMenu = null;
  }

  function replaceRange(doc, code, from, to, origin) {
    var assign;

    if (!to) { to = from; }
    if (cmp(to, from) < 0) { (assign = [to, from], from = assign[0], to = assign[1]); }
    if (typeof code == "string") { code = doc.splitLines(code); }
    makeChange(doc, {from: from, to: to, text: code, origin: origin});
  }

  // Rebasing/resetting history to deal with externally-sourced changes

  function rebaseHistSelSingle(pos, from, to, diff) {
    if (to < pos.line) {
      pos.line += diff;
    } else if (from < pos.line) {
      pos.line = from;
      pos.ch = 0;
    }
  }

  // Tries to rebase an array of history events given a change in the
  // document. If the change touches the same lines as the event, the
  // event, and everything 'behind' it, is discarded. If the change is
  // before the event, the event's positions are updated. Uses a
  // copy-on-write scheme for the positions, to avoid having to
  // reallocate them all on every rebase, but also avoid problems with
  // shared position objects being unsafely updated.
  function rebaseHistArray(array, from, to, diff) {
    for (var i = 0; i < array.length; ++i) {
      var sub = array[i], ok = true;
      if (sub.ranges) {
        if (!sub.copied) { sub = array[i] = sub.deepCopy(); sub.copied = true; }
        for (var j = 0; j < sub.ranges.length; j++) {
          rebaseHistSelSingle(sub.ranges[j].anchor, from, to, diff);
          rebaseHistSelSingle(sub.ranges[j].head, from, to, diff);
        }
        continue
      }
      for (var j$1 = 0; j$1 < sub.changes.length; ++j$1) {
        var cur = sub.changes[j$1];
        if (to < cur.from.line) {
          cur.from = Pos(cur.from.line + diff, cur.from.ch);
          cur.to = Pos(cur.to.line + diff, cur.to.ch);
        } else if (from <= cur.to.line) {
          ok = false;
          break
        }
      }
      if (!ok) {
        array.splice(0, i + 1);
        i = 0;
      }
    }
  }

  function rebaseHist(hist, change) {
    var from = change.from.line, to = change.to.line, diff = change.text.length - (to - from) - 1;
    rebaseHistArray(hist.done, from, to, diff);
    rebaseHistArray(hist.undone, from, to, diff);
  }

  // Utility for applying a change to a line by handle or number,
  // returning the number and optionally registering the line as
  // changed.
  function changeLine(doc, handle, changeType, op) {
    var no = handle, line = handle;
    if (typeof handle == "number") { line = getLine(doc, clipLine(doc, handle)); }
    else { no = lineNo(handle); }
    if (no == null) { return null }
    if (op(line, no) && doc.cm) { regLineChange(doc.cm, no, changeType); }
    return line
  }

  // The document is represented as a BTree consisting of leaves, with
  // chunk of lines in them, and branches, with up to ten leaves or
  // other branch nodes below them. The top node is always a branch
  // node, and is the document object itself (meaning it has
  // additional methods and properties).
  //
  // All nodes have parent links. The tree is used both to go from
  // line numbers to line objects, and to go from objects to numbers.
  // It also indexes by height, and is used to convert between height
  // and line object, and to find the total height of the document.
  //
  // See also http://marijnhaverbeke.nl/blog/codemirror-line-tree.html

  function LeafChunk(lines) {
    this.lines = lines;
    this.parent = null;
    var height = 0;
    for (var i = 0; i < lines.length; ++i) {
      lines[i].parent = this;
      height += lines[i].height;
    }
    this.height = height;
  }

  LeafChunk.prototype = {
    chunkSize: function() { return this.lines.length },

    // Remove the n lines at offset 'at'.
    removeInner: function(at, n) {
      for (var i = at, e = at + n; i < e; ++i) {
        var line = this.lines[i];
        this.height -= line.height;
        cleanUpLine(line);
        signalLater(line, "delete");
      }
      this.lines.splice(at, n);
    },

    // Helper used to collapse a small branch into a single leaf.
    collapse: function(lines) {
      lines.push.apply(lines, this.lines);
    },

    // Insert the given array of lines at offset 'at', count them as
    // having the given height.
    insertInner: function(at, lines, height) {
      this.height += height;
      this.lines = this.lines.slice(0, at).concat(lines).concat(this.lines.slice(at));
      for (var i = 0; i < lines.length; ++i) { lines[i].parent = this; }
    },

    // Used to iterate over a part of the tree.
    iterN: function(at, n, op) {
      for (var e = at + n; at < e; ++at)
        { if (op(this.lines[at])) { return true } }
    }
  };

  function BranchChunk(children) {
    this.children = children;
    var size = 0, height = 0;
    for (var i = 0; i < children.length; ++i) {
      var ch = children[i];
      size += ch.chunkSize(); height += ch.height;
      ch.parent = this;
    }
    this.size = size;
    this.height = height;
    this.parent = null;
  }

  BranchChunk.prototype = {
    chunkSize: function() { return this.size },

    removeInner: function(at, n) {
      this.size -= n;
      for (var i = 0; i < this.children.length; ++i) {
        var child = this.children[i], sz = child.chunkSize();
        if (at < sz) {
          var rm = Math.min(n, sz - at), oldHeight = child.height;
          child.removeInner(at, rm);
          this.height -= oldHeight - child.height;
          if (sz == rm) { this.children.splice(i--, 1); child.parent = null; }
          if ((n -= rm) == 0) { break }
          at = 0;
        } else { at -= sz; }
      }
      // If the result is smaller than 25 lines, ensure that it is a
      // single leaf node.
      if (this.size - n < 25 &&
          (this.children.length > 1 || !(this.children[0] instanceof LeafChunk))) {
        var lines = [];
        this.collapse(lines);
        this.children = [new LeafChunk(lines)];
        this.children[0].parent = this;
      }
    },

    collapse: function(lines) {
      for (var i = 0; i < this.children.length; ++i) { this.children[i].collapse(lines); }
    },

    insertInner: function(at, lines, height) {
      this.size += lines.length;
      this.height += height;
      for (var i = 0; i < this.children.length; ++i) {
        var child = this.children[i], sz = child.chunkSize();
        if (at <= sz) {
          child.insertInner(at, lines, height);
          if (child.lines && child.lines.length > 50) {
            // To avoid memory thrashing when child.lines is huge (e.g. first view of a large file), it's never spliced.
            // Instead, small slices are taken. They're taken in order because sequential memory accesses are fastest.
            var remaining = child.lines.length % 25 + 25;
            for (var pos = remaining; pos < child.lines.length;) {
              var leaf = new LeafChunk(child.lines.slice(pos, pos += 25));
              child.height -= leaf.height;
              this.children.splice(++i, 0, leaf);
              leaf.parent = this;
            }
            child.lines = child.lines.slice(0, remaining);
            this.maybeSpill();
          }
          break
        }
        at -= sz;
      }
    },

    // When a node has grown, check whether it should be split.
    maybeSpill: function() {
      if (this.children.length <= 10) { return }
      var me = this;
      do {
        var spilled = me.children.splice(me.children.length - 5, 5);
        var sibling = new BranchChunk(spilled);
        if (!me.parent) { // Become the parent node
          var copy = new BranchChunk(me.children);
          copy.parent = me;
          me.children = [copy, sibling];
          me = copy;
       } else {
          me.size -= sibling.size;
          me.height -= sibling.height;
          var myIndex = indexOf(me.parent.children, me);
          me.parent.children.splice(myIndex + 1, 0, sibling);
        }
        sibling.parent = me.parent;
      } while (me.children.length > 10)
      me.parent.maybeSpill();
    },

    iterN: function(at, n, op) {
      for (var i = 0; i < this.children.length; ++i) {
        var child = this.children[i], sz = child.chunkSize();
        if (at < sz) {
          var used = Math.min(n, sz - at);
          if (child.iterN(at, used, op)) { return true }
          if ((n -= used) == 0) { break }
          at = 0;
        } else { at -= sz; }
      }
    }
  };

  // Line widgets are block elements displayed above or below a line.

  var LineWidget = function(doc, node, options) {
    if (options) { for (var opt in options) { if (options.hasOwnProperty(opt))
      { this[opt] = options[opt]; } } }
    this.doc = doc;
    this.node = node;
  };

  LineWidget.prototype.clear = function () {
    var cm = this.doc.cm, ws = this.line.widgets, line = this.line, no = lineNo(line);
    if (no == null || !ws) { return }
    for (var i = 0; i < ws.length; ++i) { if (ws[i] == this) { ws.splice(i--, 1); } }
    if (!ws.length) { line.widgets = null; }
    var height = widgetHeight(this);
    updateLineHeight(line, Math.max(0, line.height - height));
    if (cm) {
      runInOp(cm, function () {
        adjustScrollWhenAboveVisible(cm, line, -height);
        regLineChange(cm, no, "widget");
      });
      signalLater(cm, "lineWidgetCleared", cm, this, no);
    }
  };

  LineWidget.prototype.changed = function () {
      var this$1 = this;

    var oldH = this.height, cm = this.doc.cm, line = this.line;
    this.height = null;
    var diff = widgetHeight(this) - oldH;
    if (!diff) { return }
    if (!lineIsHidden(this.doc, line)) { updateLineHeight(line, line.height + diff); }
    if (cm) {
      runInOp(cm, function () {
        cm.curOp.forceUpdate = true;
        adjustScrollWhenAboveVisible(cm, line, diff);
        signalLater(cm, "lineWidgetChanged", cm, this$1, lineNo(line));
      });
    }
  };
  eventMixin(LineWidget);

  function adjustScrollWhenAboveVisible(cm, line, diff) {
    if (heightAtLine(line) < ((cm.curOp && cm.curOp.scrollTop) || cm.doc.scrollTop))
      { addToScrollTop(cm, diff); }
  }

  function addLineWidget(doc, handle, node, options) {
    var widget = new LineWidget(doc, node, options);
    var cm = doc.cm;
    if (cm && widget.noHScroll) { cm.display.alignWidgets = true; }
    changeLine(doc, handle, "widget", function (line) {
      var widgets = line.widgets || (line.widgets = []);
      if (widget.insertAt == null) { widgets.push(widget); }
      else { widgets.splice(Math.min(widgets.length - 1, Math.max(0, widget.insertAt)), 0, widget); }
      widget.line = line;
      if (cm && !lineIsHidden(doc, line)) {
        var aboveVisible = heightAtLine(line) < doc.scrollTop;
        updateLineHeight(line, line.height + widgetHeight(widget));
        if (aboveVisible) { addToScrollTop(cm, widget.height); }
        cm.curOp.forceUpdate = true;
      }
      return true
    });
    if (cm) { signalLater(cm, "lineWidgetAdded", cm, widget, typeof handle == "number" ? handle : lineNo(handle)); }
    return widget
  }

  // TEXTMARKERS

  // Created with markText and setBookmark methods. A TextMarker is a
  // handle that can be used to clear or find a marked position in the
  // document. Line objects hold arrays (markedSpans) containing
  // {from, to, marker} object pointing to such marker objects, and
  // indicating that such a marker is present on that line. Multiple
  // lines may point to the same marker when it spans across lines.
  // The spans will have null for their from/to properties when the
  // marker continues beyond the start/end of the line. Markers have
  // links back to the lines they currently touch.

  // Collapsed markers have unique ids, in order to be able to order
  // them, which is needed for uniquely determining an outer marker
  // when they overlap (they may nest, but not partially overlap).
  var nextMarkerId = 0;

  var TextMarker = function(doc, type) {
    this.lines = [];
    this.type = type;
    this.doc = doc;
    this.id = ++nextMarkerId;
  };

  // Clear the marker.
  TextMarker.prototype.clear = function () {
    if (this.explicitlyCleared) { return }
    var cm = this.doc.cm, withOp = cm && !cm.curOp;
    if (withOp) { startOperation(cm); }
    if (hasHandler(this, "clear")) {
      var found = this.find();
      if (found) { signalLater(this, "clear", found.from, found.to); }
    }
    var min = null, max = null;
    for (var i = 0; i < this.lines.length; ++i) {
      var line = this.lines[i];
      var span = getMarkedSpanFor(line.markedSpans, this);
      if (cm && !this.collapsed) { regLineChange(cm, lineNo(line), "text"); }
      else if (cm) {
        if (span.to != null) { max = lineNo(line); }
        if (span.from != null) { min = lineNo(line); }
      }
      line.markedSpans = removeMarkedSpan(line.markedSpans, span);
      if (span.from == null && this.collapsed && !lineIsHidden(this.doc, line) && cm)
        { updateLineHeight(line, textHeight(cm.display)); }
    }
    if (cm && this.collapsed && !cm.options.lineWrapping) { for (var i$1 = 0; i$1 < this.lines.length; ++i$1) {
      var visual = visualLine(this.lines[i$1]), len = lineLength(visual);
      if (len > cm.display.maxLineLength) {
        cm.display.maxLine = visual;
        cm.display.maxLineLength = len;
        cm.display.maxLineChanged = true;
      }
    } }

    if (min != null && cm && this.collapsed) { regChange(cm, min, max + 1); }
    this.lines.length = 0;
    this.explicitlyCleared = true;
    if (this.atomic && this.doc.cantEdit) {
      this.doc.cantEdit = false;
      if (cm) { reCheckSelection(cm.doc); }
    }
    if (cm) { signalLater(cm, "markerCleared", cm, this, min, max); }
    if (withOp) { endOperation(cm); }
    if (this.parent) { this.parent.clear(); }
  };

  // Find the position of the marker in the document. Returns a {from,
  // to} object by default. Side can be passed to get a specific side
  // -- 0 (both), -1 (left), or 1 (right). When lineObj is true, the
  // Pos objects returned contain a line object, rather than a line
  // number (used to prevent looking up the same line twice).
  TextMarker.prototype.find = function (side, lineObj) {
    if (side == null && this.type == "bookmark") { side = 1; }
    var from, to;
    for (var i = 0; i < this.lines.length; ++i) {
      var line = this.lines[i];
      var span = getMarkedSpanFor(line.markedSpans, this);
      if (span.from != null) {
        from = Pos(lineObj ? line : lineNo(line), span.from);
        if (side == -1) { return from }
      }
      if (span.to != null) {
        to = Pos(lineObj ? line : lineNo(line), span.to);
        if (side == 1) { return to }
      }
    }
    return from && {from: from, to: to}
  };

  // Signals that the marker's widget changed, and surrounding layout
  // should be recomputed.
  TextMarker.prototype.changed = function () {
      var this$1 = this;

    var pos = this.find(-1, true), widget = this, cm = this.doc.cm;
    if (!pos || !cm) { return }
    runInOp(cm, function () {
      var line = pos.line, lineN = lineNo(pos.line);
      var view = findViewForLine(cm, lineN);
      if (view) {
        clearLineMeasurementCacheFor(view);
        cm.curOp.selectionChanged = cm.curOp.forceUpdate = true;
      }
      cm.curOp.updateMaxLine = true;
      if (!lineIsHidden(widget.doc, line) && widget.height != null) {
        var oldHeight = widget.height;
        widget.height = null;
        var dHeight = widgetHeight(widget) - oldHeight;
        if (dHeight)
          { updateLineHeight(line, line.height + dHeight); }
      }
      signalLater(cm, "markerChanged", cm, this$1);
    });
  };

  TextMarker.prototype.attachLine = function (line) {
    if (!this.lines.length && this.doc.cm) {
      var op = this.doc.cm.curOp;
      if (!op.maybeHiddenMarkers || indexOf(op.maybeHiddenMarkers, this) == -1)
        { (op.maybeUnhiddenMarkers || (op.maybeUnhiddenMarkers = [])).push(this); }
    }
    this.lines.push(line);
  };

  TextMarker.prototype.detachLine = function (line) {
    this.lines.splice(indexOf(this.lines, line), 1);
    if (!this.lines.length && this.doc.cm) {
      var op = this.doc.cm.curOp
      ;(op.maybeHiddenMarkers || (op.maybeHiddenMarkers = [])).push(this);
    }
  };
  eventMixin(TextMarker);

  // Create a marker, wire it up to the right lines, and
  function markText(doc, from, to, options, type) {
    // Shared markers (across linked documents) are handled separately
    // (markTextShared will call out to this again, once per
    // document).
    if (options && options.shared) { return markTextShared(doc, from, to, options, type) }
    // Ensure we are in an operation.
    if (doc.cm && !doc.cm.curOp) { return operation(doc.cm, markText)(doc, from, to, options, type) }

    var marker = new TextMarker(doc, type), diff = cmp(from, to);
    if (options) { copyObj(options, marker, false); }
    // Don't connect empty markers unless clearWhenEmpty is false
    if (diff > 0 || diff == 0 && marker.clearWhenEmpty !== false)
      { return marker }
    if (marker.replacedWith) {
      // Showing up as a widget implies collapsed (widget replaces text)
      marker.collapsed = true;
      marker.widgetNode = eltP("span", [marker.replacedWith], "CodeMirror-widget");
      if (!options.handleMouseEvents) { marker.widgetNode.setAttribute("cm-ignore-events", "true"); }
      if (options.insertLeft) { marker.widgetNode.insertLeft = true; }
    }
    if (marker.collapsed) {
      if (conflictingCollapsedRange(doc, from.line, from, to, marker) ||
          from.line != to.line && conflictingCollapsedRange(doc, to.line, from, to, marker))
        { throw new Error("Inserting collapsed marker partially overlapping an existing one") }
      seeCollapsedSpans();
    }

    if (marker.addToHistory)
      { addChangeToHistory(doc, {from: from, to: to, origin: "markText"}, doc.sel, NaN); }

    var curLine = from.line, cm = doc.cm, updateMaxLine;
    doc.iter(curLine, to.line + 1, function (line) {
      if (cm && marker.collapsed && !cm.options.lineWrapping && visualLine(line) == cm.display.maxLine)
        { updateMaxLine = true; }
      if (marker.collapsed && curLine != from.line) { updateLineHeight(line, 0); }
      addMarkedSpan(line, new MarkedSpan(marker,
                                         curLine == from.line ? from.ch : null,
                                         curLine == to.line ? to.ch : null));
      ++curLine;
    });
    // lineIsHidden depends on the presence of the spans, so needs a second pass
    if (marker.collapsed) { doc.iter(from.line, to.line + 1, function (line) {
      if (lineIsHidden(doc, line)) { updateLineHeight(line, 0); }
    }); }

    if (marker.clearOnEnter) { on(marker, "beforeCursorEnter", function () { return marker.clear(); }); }

    if (marker.readOnly) {
      seeReadOnlySpans();
      if (doc.history.done.length || doc.history.undone.length)
        { doc.clearHistory(); }
    }
    if (marker.collapsed) {
      marker.id = ++nextMarkerId;
      marker.atomic = true;
    }
    if (cm) {
      // Sync editor state
      if (updateMaxLine) { cm.curOp.updateMaxLine = true; }
      if (marker.collapsed)
        { regChange(cm, from.line, to.line + 1); }
      else if (marker.className || marker.startStyle || marker.endStyle || marker.css ||
               marker.attributes || marker.title)
        { for (var i = from.line; i <= to.line; i++) { regLineChange(cm, i, "text"); } }
      if (marker.atomic) { reCheckSelection(cm.doc); }
      signalLater(cm, "markerAdded", cm, marker);
    }
    return marker
  }

  // SHARED TEXTMARKERS

  // A shared marker spans multiple linked documents. It is
  // implemented as a meta-marker-object controlling multiple normal
  // markers.
  var SharedTextMarker = function(markers, primary) {
    this.markers = markers;
    this.primary = primary;
    for (var i = 0; i < markers.length; ++i)
      { markers[i].parent = this; }
  };

  SharedTextMarker.prototype.clear = function () {
    if (this.explicitlyCleared) { return }
    this.explicitlyCleared = true;
    for (var i = 0; i < this.markers.length; ++i)
      { this.markers[i].clear(); }
    signalLater(this, "clear");
  };

  SharedTextMarker.prototype.find = function (side, lineObj) {
    return this.primary.find(side, lineObj)
  };
  eventMixin(SharedTextMarker);

  function markTextShared(doc, from, to, options, type) {
    options = copyObj(options);
    options.shared = false;
    var markers = [markText(doc, from, to, options, type)], primary = markers[0];
    var widget = options.widgetNode;
    linkedDocs(doc, function (doc) {
      if (widget) { options.widgetNode = widget.cloneNode(true); }
      markers.push(markText(doc, clipPos(doc, from), clipPos(doc, to), options, type));
      for (var i = 0; i < doc.linked.length; ++i)
        { if (doc.linked[i].isParent) { return } }
      primary = lst(markers);
    });
    return new SharedTextMarker(markers, primary)
  }

  function findSharedMarkers(doc) {
    return doc.findMarks(Pos(doc.first, 0), doc.clipPos(Pos(doc.lastLine())), function (m) { return m.parent; })
  }

  function copySharedMarkers(doc, markers) {
    for (var i = 0; i < markers.length; i++) {
      var marker = markers[i], pos = marker.find();
      var mFrom = doc.clipPos(pos.from), mTo = doc.clipPos(pos.to);
      if (cmp(mFrom, mTo)) {
        var subMark = markText(doc, mFrom, mTo, marker.primary, marker.primary.type);
        marker.markers.push(subMark);
        subMark.parent = marker;
      }
    }
  }

  function detachSharedMarkers(markers) {
    var loop = function ( i ) {
      var marker = markers[i], linked = [marker.primary.doc];
      linkedDocs(marker.primary.doc, function (d) { return linked.push(d); });
      for (var j = 0; j < marker.markers.length; j++) {
        var subMarker = marker.markers[j];
        if (indexOf(linked, subMarker.doc) == -1) {
          subMarker.parent = null;
          marker.markers.splice(j--, 1);
        }
      }
    };

    for (var i = 0; i < markers.length; i++) loop( i );
  }

  var nextDocId = 0;
  var Doc = function(text, mode, firstLine, lineSep, direction) {
    if (!(this instanceof Doc)) { return new Doc(text, mode, firstLine, lineSep, direction) }
    if (firstLine == null) { firstLine = 0; }

    BranchChunk.call(this, [new LeafChunk([new Line("", null)])]);
    this.first = firstLine;
    this.scrollTop = this.scrollLeft = 0;
    this.cantEdit = false;
    this.cleanGeneration = 1;
    this.modeFrontier = this.highlightFrontier = firstLine;
    var start = Pos(firstLine, 0);
    this.sel = simpleSelection(start);
    this.history = new History(null);
    this.id = ++nextDocId;
    this.modeOption = mode;
    this.lineSep = lineSep;
    this.direction = (direction == "rtl") ? "rtl" : "ltr";
    this.extend = false;

    if (typeof text == "string") { text = this.splitLines(text); }
    updateDoc(this, {from: start, to: start, text: text});
    setSelection(this, simpleSelection(start), sel_dontScroll);
  };

  Doc.prototype = createObj(BranchChunk.prototype, {
    constructor: Doc,
    // Iterate over the document. Supports two forms -- with only one
    // argument, it calls that for each line in the document. With
    // three, it iterates over the range given by the first two (with
    // the second being non-inclusive).
    iter: function(from, to, op) {
      if (op) { this.iterN(from - this.first, to - from, op); }
      else { this.iterN(this.first, this.first + this.size, from); }
    },

    // Non-public interface for adding and removing lines.
    insert: function(at, lines) {
      var height = 0;
      for (var i = 0; i < lines.length; ++i) { height += lines[i].height; }
      this.insertInner(at - this.first, lines, height);
    },
    remove: function(at, n) { this.removeInner(at - this.first, n); },

    // From here, the methods are part of the public interface. Most
    // are also available from CodeMirror (editor) instances.

    getValue: function(lineSep) {
      var lines = getLines(this, this.first, this.first + this.size);
      if (lineSep === false) { return lines }
      return lines.join(lineSep || this.lineSeparator())
    },
    setValue: docMethodOp(function(code) {
      var top = Pos(this.first, 0), last = this.first + this.size - 1;
      makeChange(this, {from: top, to: Pos(last, getLine(this, last).text.length),
                        text: this.splitLines(code), origin: "setValue", full: true}, true);
      if (this.cm) { scrollToCoords(this.cm, 0, 0); }
      setSelection(this, simpleSelection(top), sel_dontScroll);
    }),
    replaceRange: function(code, from, to, origin) {
      from = clipPos(this, from);
      to = to ? clipPos(this, to) : from;
      replaceRange(this, code, from, to, origin);
    },
    getRange: function(from, to, lineSep) {
      var lines = getBetween(this, clipPos(this, from), clipPos(this, to));
      if (lineSep === false) { return lines }
      return lines.join(lineSep || this.lineSeparator())
    },

    getLine: function(line) {var l = this.getLineHandle(line); return l && l.text},

    getLineHandle: function(line) {if (isLine(this, line)) { return getLine(this, line) }},
    getLineNumber: function(line) {return lineNo(line)},

    getLineHandleVisualStart: function(line) {
      if (typeof line == "number") { line = getLine(this, line); }
      return visualLine(line)
    },

    lineCount: function() {return this.size},
    firstLine: function() {return this.first},
    lastLine: function() {return this.first + this.size - 1},

    clipPos: function(pos) {return clipPos(this, pos)},

    getCursor: function(start) {
      var range = this.sel.primary(), pos;
      if (start == null || start == "head") { pos = range.head; }
      else if (start == "anchor") { pos = range.anchor; }
      else if (start == "end" || start == "to" || start === false) { pos = range.to(); }
      else { pos = range.from(); }
      return pos
    },
    listSelections: function() { return this.sel.ranges },
    somethingSelected: function() {return this.sel.somethingSelected()},

    setCursor: docMethodOp(function(line, ch, options) {
      setSimpleSelection(this, clipPos(this, typeof line == "number" ? Pos(line, ch || 0) : line), null, options);
    }),
    setSelection: docMethodOp(function(anchor, head, options) {
      setSimpleSelection(this, clipPos(this, anchor), clipPos(this, head || anchor), options);
    }),
    extendSelection: docMethodOp(function(head, other, options) {
      extendSelection(this, clipPos(this, head), other && clipPos(this, other), options);
    }),
    extendSelections: docMethodOp(function(heads, options) {
      extendSelections(this, clipPosArray(this, heads), options);
    }),
    extendSelectionsBy: docMethodOp(function(f, options) {
      var heads = map(this.sel.ranges, f);
      extendSelections(this, clipPosArray(this, heads), options);
    }),
    setSelections: docMethodOp(function(ranges, primary, options) {
      if (!ranges.length) { return }
      var out = [];
      for (var i = 0; i < ranges.length; i++)
        { out[i] = new Range(clipPos(this, ranges[i].anchor),
                           clipPos(this, ranges[i].head)); }
      if (primary == null) { primary = Math.min(ranges.length - 1, this.sel.primIndex); }
      setSelection(this, normalizeSelection(this.cm, out, primary), options);
    }),
    addSelection: docMethodOp(function(anchor, head, options) {
      var ranges = this.sel.ranges.slice(0);
      ranges.push(new Range(clipPos(this, anchor), clipPos(this, head || anchor)));
      setSelection(this, normalizeSelection(this.cm, ranges, ranges.length - 1), options);
    }),

    getSelection: function(lineSep) {
      var ranges = this.sel.ranges, lines;
      for (var i = 0; i < ranges.length; i++) {
        var sel = getBetween(this, ranges[i].from(), ranges[i].to());
        lines = lines ? lines.concat(sel) : sel;
      }
      if (lineSep === false) { return lines }
      else { return lines.join(lineSep || this.lineSeparator()) }
    },
    getSelections: function(lineSep) {
      var parts = [], ranges = this.sel.ranges;
      for (var i = 0; i < ranges.length; i++) {
        var sel = getBetween(this, ranges[i].from(), ranges[i].to());
        if (lineSep !== false) { sel = sel.join(lineSep || this.lineSeparator()); }
        parts[i] = sel;
      }
      return parts
    },
    replaceSelection: function(code, collapse, origin) {
      var dup = [];
      for (var i = 0; i < this.sel.ranges.length; i++)
        { dup[i] = code; }
      this.replaceSelections(dup, collapse, origin || "+input");
    },
    replaceSelections: docMethodOp(function(code, collapse, origin) {
      var changes = [], sel = this.sel;
      for (var i = 0; i < sel.ranges.length; i++) {
        var range = sel.ranges[i];
        changes[i] = {from: range.from(), to: range.to(), text: this.splitLines(code[i]), origin: origin};
      }
      var newSel = collapse && collapse != "end" && computeReplacedSel(this, changes, collapse);
      for (var i$1 = changes.length - 1; i$1 >= 0; i$1--)
        { makeChange(this, changes[i$1]); }
      if (newSel) { setSelectionReplaceHistory(this, newSel); }
      else if (this.cm) { ensureCursorVisible(this.cm); }
    }),
    undo: docMethodOp(function() {makeChangeFromHistory(this, "undo");}),
    redo: docMethodOp(function() {makeChangeFromHistory(this, "redo");}),
    undoSelection: docMethodOp(function() {makeChangeFromHistory(this, "undo", true);}),
    redoSelection: docMethodOp(function() {makeChangeFromHistory(this, "redo", true);}),

    setExtending: function(val) {this.extend = val;},
    getExtending: function() {return this.extend},

    historySize: function() {
      var hist = this.history, done = 0, undone = 0;
      for (var i = 0; i < hist.done.length; i++) { if (!hist.done[i].ranges) { ++done; } }
      for (var i$1 = 0; i$1 < hist.undone.length; i$1++) { if (!hist.undone[i$1].ranges) { ++undone; } }
      return {undo: done, redo: undone}
    },
    clearHistory: function() {
      var this$1 = this;

      this.history = new History(this.history.maxGeneration);
      linkedDocs(this, function (doc) { return doc.history = this$1.history; }, true);
    },

    markClean: function() {
      this.cleanGeneration = this.changeGeneration(true);
    },
    changeGeneration: function(forceSplit) {
      if (forceSplit)
        { this.history.lastOp = this.history.lastSelOp = this.history.lastOrigin = null; }
      return this.history.generation
    },
    isClean: function (gen) {
      return this.history.generation == (gen || this.cleanGeneration)
    },

    getHistory: function() {
      return {done: copyHistoryArray(this.history.done),
              undone: copyHistoryArray(this.history.undone)}
    },
    setHistory: function(histData) {
      var hist = this.history = new History(this.history.maxGeneration);
      hist.done = copyHistoryArray(histData.done.slice(0), null, true);
      hist.undone = copyHistoryArray(histData.undone.slice(0), null, true);
    },

    setGutterMarker: docMethodOp(function(line, gutterID, value) {
      return changeLine(this, line, "gutter", function (line) {
        var markers = line.gutterMarkers || (line.gutterMarkers = {});
        markers[gutterID] = value;
        if (!value && isEmpty(markers)) { line.gutterMarkers = null; }
        return true
      })
    }),

    clearGutter: docMethodOp(function(gutterID) {
      var this$1 = this;

      this.iter(function (line) {
        if (line.gutterMarkers && line.gutterMarkers[gutterID]) {
          changeLine(this$1, line, "gutter", function () {
            line.gutterMarkers[gutterID] = null;
            if (isEmpty(line.gutterMarkers)) { line.gutterMarkers = null; }
            return true
          });
        }
      });
    }),

    lineInfo: function(line) {
      var n;
      if (typeof line == "number") {
        if (!isLine(this, line)) { return null }
        n = line;
        line = getLine(this, line);
        if (!line) { return null }
      } else {
        n = lineNo(line);
        if (n == null) { return null }
      }
      return {line: n, handle: line, text: line.text, gutterMarkers: line.gutterMarkers,
              textClass: line.textClass, bgClass: line.bgClass, wrapClass: line.wrapClass,
              widgets: line.widgets}
    },

    addLineClass: docMethodOp(function(handle, where, cls) {
      return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function (line) {
        var prop = where == "text" ? "textClass"
                 : where == "background" ? "bgClass"
                 : where == "gutter" ? "gutterClass" : "wrapClass";
        if (!line[prop]) { line[prop] = cls; }
        else if (classTest(cls).test(line[prop])) { return false }
        else { line[prop] += " " + cls; }
        return true
      })
    }),
    removeLineClass: docMethodOp(function(handle, where, cls) {
      return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function (line) {
        var prop = where == "text" ? "textClass"
                 : where == "background" ? "bgClass"
                 : where == "gutter" ? "gutterClass" : "wrapClass";
        var cur = line[prop];
        if (!cur) { return false }
        else if (cls == null) { line[prop] = null; }
        else {
          var found = cur.match(classTest(cls));
          if (!found) { return false }
          var end = found.index + found[0].length;
          line[prop] = cur.slice(0, found.index) + (!found.index || end == cur.length ? "" : " ") + cur.slice(end) || null;
        }
        return true
      })
    }),

    addLineWidget: docMethodOp(function(handle, node, options) {
      return addLineWidget(this, handle, node, options)
    }),
    removeLineWidget: function(widget) { widget.clear(); },

    markText: function(from, to, options) {
      return markText(this, clipPos(this, from), clipPos(this, to), options, options && options.type || "range")
    },
    setBookmark: function(pos, options) {
      var realOpts = {replacedWith: options && (options.nodeType == null ? options.widget : options),
                      insertLeft: options && options.insertLeft,
                      clearWhenEmpty: false, shared: options && options.shared,
                      handleMouseEvents: options && options.handleMouseEvents};
      pos = clipPos(this, pos);
      return markText(this, pos, pos, realOpts, "bookmark")
    },
    findMarksAt: function(pos) {
      pos = clipPos(this, pos);
      var markers = [], spans = getLine(this, pos.line).markedSpans;
      if (spans) { for (var i = 0; i < spans.length; ++i) {
        var span = spans[i];
        if ((span.from == null || span.from <= pos.ch) &&
            (span.to == null || span.to >= pos.ch))
          { markers.push(span.marker.parent || span.marker); }
      } }
      return markers
    },
    findMarks: function(from, to, filter) {
      from = clipPos(this, from); to = clipPos(this, to);
      var found = [], lineNo = from.line;
      this.iter(from.line, to.line + 1, function (line) {
        var spans = line.markedSpans;
        if (spans) { for (var i = 0; i < spans.length; i++) {
          var span = spans[i];
          if (!(span.to != null && lineNo == from.line && from.ch >= span.to ||
                span.from == null && lineNo != from.line ||
                span.from != null && lineNo == to.line && span.from >= to.ch) &&
              (!filter || filter(span.marker)))
            { found.push(span.marker.parent || span.marker); }
        } }
        ++lineNo;
      });
      return found
    },
    getAllMarks: function() {
      var markers = [];
      this.iter(function (line) {
        var sps = line.markedSpans;
        if (sps) { for (var i = 0; i < sps.length; ++i)
          { if (sps[i].from != null) { markers.push(sps[i].marker); } } }
      });
      return markers
    },

    posFromIndex: function(off) {
      var ch, lineNo = this.first, sepSize = this.lineSeparator().length;
      this.iter(function (line) {
        var sz = line.text.length + sepSize;
        if (sz > off) { ch = off; return true }
        off -= sz;
        ++lineNo;
      });
      return clipPos(this, Pos(lineNo, ch))
    },
    indexFromPos: function (coords) {
      coords = clipPos(this, coords);
      var index = coords.ch;
      if (coords.line < this.first || coords.ch < 0) { return 0 }
      var sepSize = this.lineSeparator().length;
      this.iter(this.first, coords.line, function (line) { // iter aborts when callback returns a truthy value
        index += line.text.length + sepSize;
      });
      return index
    },

    copy: function(copyHistory) {
      var doc = new Doc(getLines(this, this.first, this.first + this.size),
                        this.modeOption, this.first, this.lineSep, this.direction);
      doc.scrollTop = this.scrollTop; doc.scrollLeft = this.scrollLeft;
      doc.sel = this.sel;
      doc.extend = false;
      if (copyHistory) {
        doc.history.undoDepth = this.history.undoDepth;
        doc.setHistory(this.getHistory());
      }
      return doc
    },

    linkedDoc: function(options) {
      if (!options) { options = {}; }
      var from = this.first, to = this.first + this.size;
      if (options.from != null && options.from > from) { from = options.from; }
      if (options.to != null && options.to < to) { to = options.to; }
      var copy = new Doc(getLines(this, from, to), options.mode || this.modeOption, from, this.lineSep, this.direction);
      if (options.sharedHist) { copy.history = this.history
      ; }(this.linked || (this.linked = [])).push({doc: copy, sharedHist: options.sharedHist});
      copy.linked = [{doc: this, isParent: true, sharedHist: options.sharedHist}];
      copySharedMarkers(copy, findSharedMarkers(this));
      return copy
    },
    unlinkDoc: function(other) {
      if (other instanceof CodeMirror) { other = other.doc; }
      if (this.linked) { for (var i = 0; i < this.linked.length; ++i) {
        var link = this.linked[i];
        if (link.doc != other) { continue }
        this.linked.splice(i, 1);
        other.unlinkDoc(this);
        detachSharedMarkers(findSharedMarkers(this));
        break
      } }
      // If the histories were shared, split them again
      if (other.history == this.history) {
        var splitIds = [other.id];
        linkedDocs(other, function (doc) { return splitIds.push(doc.id); }, true);
        other.history = new History(null);
        other.history.done = copyHistoryArray(this.history.done, splitIds);
        other.history.undone = copyHistoryArray(this.history.undone, splitIds);
      }
    },
    iterLinkedDocs: function(f) {linkedDocs(this, f);},

    getMode: function() {return this.mode},
    getEditor: function() {return this.cm},

    splitLines: function(str) {
      if (this.lineSep) { return str.split(this.lineSep) }
      return splitLinesAuto(str)
    },
    lineSeparator: function() { return this.lineSep || "\n" },

    setDirection: docMethodOp(function (dir) {
      if (dir != "rtl") { dir = "ltr"; }
      if (dir == this.direction) { return }
      this.direction = dir;
      this.iter(function (line) { return line.order = null; });
      if (this.cm) { directionChanged(this.cm); }
    })
  });

  // Public alias.
  Doc.prototype.eachLine = Doc.prototype.iter;

  // Kludge to work around strange IE behavior where it'll sometimes
  // re-fire a series of drag-related events right after the drop (#1551)
  var lastDrop = 0;

  function onDrop(e) {
    var cm = this;
    clearDragCursor(cm);
    if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e))
      { return }
    e_preventDefault(e);
    if (ie) { lastDrop = +new Date; }
    var pos = posFromMouse(cm, e, true), files = e.dataTransfer.files;
    if (!pos || cm.isReadOnly()) { return }
    // Might be a file drop, in which case we simply extract the text
    // and insert it.
    if (files && files.length && window.FileReader && window.File) {
      var n = files.length, text = Array(n), read = 0;
      var markAsReadAndPasteIfAllFilesAreRead = function () {
        if (++read == n) {
          operation(cm, function () {
            pos = clipPos(cm.doc, pos);
            var change = {from: pos, to: pos,
                          text: cm.doc.splitLines(
                              text.filter(function (t) { return t != null; }).join(cm.doc.lineSeparator())),
                          origin: "paste"};
            makeChange(cm.doc, change);
            setSelectionReplaceHistory(cm.doc, simpleSelection(clipPos(cm.doc, pos), clipPos(cm.doc, changeEnd(change))));
          })();
        }
      };
      var readTextFromFile = function (file, i) {
        if (cm.options.allowDropFileTypes &&
            indexOf(cm.options.allowDropFileTypes, file.type) == -1) {
          markAsReadAndPasteIfAllFilesAreRead();
          return
        }
        var reader = new FileReader;
        reader.onerror = function () { return markAsReadAndPasteIfAllFilesAreRead(); };
        reader.onload = function () {
          var content = reader.result;
          if (/[\x00-\x08\x0e-\x1f]{2}/.test(content)) {
            markAsReadAndPasteIfAllFilesAreRead();
            return
          }
          text[i] = content;
          markAsReadAndPasteIfAllFilesAreRead();
        };
        reader.readAsText(file);
      };
      for (var i = 0; i < files.length; i++) { readTextFromFile(files[i], i); }
    } else { // Normal drop
      // Don't do a replace if the drop happened inside of the selected text.
      if (cm.state.draggingText && cm.doc.sel.contains(pos) > -1) {
        cm.state.draggingText(e);
        // Ensure the editor is re-focused
        setTimeout(function () { return cm.display.input.focus(); }, 20);
        return
      }
      try {
        var text$1 = e.dataTransfer.getData("Text");
        if (text$1) {
          var selected;
          if (cm.state.draggingText && !cm.state.draggingText.copy)
            { selected = cm.listSelections(); }
          setSelectionNoUndo(cm.doc, simpleSelection(pos, pos));
          if (selected) { for (var i$1 = 0; i$1 < selected.length; ++i$1)
            { replaceRange(cm.doc, "", selected[i$1].anchor, selected[i$1].head, "drag"); } }
          cm.replaceSelection(text$1, "around", "paste");
          cm.display.input.focus();
        }
      }
      catch(e$1){}
    }
  }

  function onDragStart(cm, e) {
    if (ie && (!cm.state.draggingText || +new Date - lastDrop < 100)) { e_stop(e); return }
    if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) { return }

    e.dataTransfer.setData("Text", cm.getSelection());
    e.dataTransfer.effectAllowed = "copyMove";

    // Use dummy image instead of default browsers image.
    // Recent Safari (~6.0.2) have a tendency to segfault when this happens, so we don't do it there.
    if (e.dataTransfer.setDragImage && !safari) {
      var img = elt("img", null, null, "position: fixed; left: 0; top: 0;");
      img.src = "data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==";
      if (presto) {
        img.width = img.height = 1;
        cm.display.wrapper.appendChild(img);
        // Force a relayout, or Opera won't use our image for some obscure reason
        img._top = img.offsetTop;
      }
      e.dataTransfer.setDragImage(img, 0, 0);
      if (presto) { img.parentNode.removeChild(img); }
    }
  }

  function onDragOver(cm, e) {
    var pos = posFromMouse(cm, e);
    if (!pos) { return }
    var frag = document.createDocumentFragment();
    drawSelectionCursor(cm, pos, frag);
    if (!cm.display.dragCursor) {
      cm.display.dragCursor = elt("div", null, "CodeMirror-cursors CodeMirror-dragcursors");
      cm.display.lineSpace.insertBefore(cm.display.dragCursor, cm.display.cursorDiv);
    }
    removeChildrenAndAdd(cm.display.dragCursor, frag);
  }

  function clearDragCursor(cm) {
    if (cm.display.dragCursor) {
      cm.display.lineSpace.removeChild(cm.display.dragCursor);
      cm.display.dragCursor = null;
    }
  }

  // These must be handled carefully, because naively registering a
  // handler for each editor will cause the editors to never be
  // garbage collected.

  function forEachCodeMirror(f) {
    if (!document.getElementsByClassName) { return }
    var byClass = document.getElementsByClassName("CodeMirror"), editors = [];
    for (var i = 0; i < byClass.length; i++) {
      var cm = byClass[i].CodeMirror;
      if (cm) { editors.push(cm); }
    }
    if (editors.length) { editors[0].operation(function () {
      for (var i = 0; i < editors.length; i++) { f(editors[i]); }
    }); }
  }

  var globalsRegistered = false;
  function ensureGlobalHandlers() {
    if (globalsRegistered) { return }
    registerGlobalHandlers();
    globalsRegistered = true;
  }
  function registerGlobalHandlers() {
    // When the window resizes, we need to refresh active editors.
    var resizeTimer;
    on(window, "resize", function () {
      if (resizeTimer == null) { resizeTimer = setTimeout(function () {
        resizeTimer = null;
        forEachCodeMirror(onResize);
      }, 100); }
    });
    // When the window loses focus, we want to show the editor as blurred
    on(window, "blur", function () { return forEachCodeMirror(onBlur); });
  }
  // Called when the window resizes
  function onResize(cm) {
    var d = cm.display;
    // Might be a text scaling operation, clear size caches.
    d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null;
    d.scrollbarsClipped = false;
    cm.setSize();
  }

  var keyNames = {
    3: "Pause", 8: "Backspace", 9: "Tab", 13: "Enter", 16: "Shift", 17: "Ctrl", 18: "Alt",
    19: "Pause", 20: "CapsLock", 27: "Esc", 32: "Space", 33: "PageUp", 34: "PageDown", 35: "End",
    36: "Home", 37: "Left", 38: "Up", 39: "Right", 40: "Down", 44: "PrintScrn", 45: "Insert",
    46: "Delete", 59: ";", 61: "=", 91: "Mod", 92: "Mod", 93: "Mod",
    106: "*", 107: "=", 109: "-", 110: ".", 111: "/", 145: "ScrollLock",
    173: "-", 186: ";", 187: "=", 188: ",", 189: "-", 190: ".", 191: "/", 192: "`", 219: "[", 220: "\\",
    221: "]", 222: "'", 224: "Mod", 63232: "Up", 63233: "Down", 63234: "Left", 63235: "Right", 63272: "Delete",
    63273: "Home", 63275: "End", 63276: "PageUp", 63277: "PageDown", 63302: "Insert"
  };

  // Number keys
  for (var i = 0; i < 10; i++) { keyNames[i + 48] = keyNames[i + 96] = String(i); }
  // Alphabetic keys
  for (var i$1 = 65; i$1 <= 90; i$1++) { keyNames[i$1] = String.fromCharCode(i$1); }
  // Function keys
  for (var i$2 = 1; i$2 <= 12; i$2++) { keyNames[i$2 + 111] = keyNames[i$2 + 63235] = "F" + i$2; }

  var keyMap = {};

  keyMap.basic = {
    "Left": "goCharLeft", "Right": "goCharRight", "Up": "goLineUp", "Down": "goLineDown",
    "End": "goLineEnd", "Home": "goLineStartSmart", "PageUp": "goPageUp", "PageDown": "goPageDown",
    "Delete": "delCharAfter", "Backspace": "delCharBefore", "Shift-Backspace": "delCharBefore",
    "Tab": "defaultTab", "Shift-Tab": "indentAuto",
    "Enter": "newlineAndIndent", "Insert": "toggleOverwrite",
    "Esc": "singleSelection"
  };
  // Note that the save and find-related commands aren't defined by
  // default. User code or addons can define them. Unknown commands
  // are simply ignored.
  keyMap.pcDefault = {
    "Ctrl-A": "selectAll", "Ctrl-D": "deleteLine", "Ctrl-Z": "undo", "Shift-Ctrl-Z": "redo", "Ctrl-Y": "redo",
    "Ctrl-Home": "goDocStart", "Ctrl-End": "goDocEnd", "Ctrl-Up": "goLineUp", "Ctrl-Down": "goLineDown",
    "Ctrl-Left": "goGroupLeft", "Ctrl-Right": "goGroupRight", "Alt-Left": "goLineStart", "Alt-Right": "goLineEnd",
    "Ctrl-Backspace": "delGroupBefore", "Ctrl-Delete": "delGroupAfter", "Ctrl-S": "save", "Ctrl-F": "find",
    "Ctrl-G": "findNext", "Shift-Ctrl-G": "findPrev", "Shift-Ctrl-F": "replace", "Shift-Ctrl-R": "replaceAll",
    "Ctrl-[": "indentLess", "Ctrl-]": "indentMore",
    "Ctrl-U": "undoSelection", "Shift-Ctrl-U": "redoSelection", "Alt-U": "redoSelection",
    "fallthrough": "basic"
  };
  // Very basic readline/emacs-style bindings, which are standard on Mac.
  keyMap.emacsy = {
    "Ctrl-F": "goCharRight", "Ctrl-B": "goCharLeft", "Ctrl-P": "goLineUp", "Ctrl-N": "goLineDown",
    "Alt-F": "goWordRight", "Alt-B": "goWordLeft", "Ctrl-A": "goLineStart", "Ctrl-E": "goLineEnd",
    "Ctrl-V": "goPageDown", "Shift-Ctrl-V": "goPageUp", "Ctrl-D": "delCharAfter", "Ctrl-H": "delCharBefore",
    "Alt-D": "delWordAfter", "Alt-Backspace": "delWordBefore", "Ctrl-K": "killLine", "Ctrl-T": "transposeChars",
    "Ctrl-O": "openLine"
  };
  keyMap.macDefault = {
    "Cmd-A": "selectAll", "Cmd-D": "deleteLine", "Cmd-Z": "undo", "Shift-Cmd-Z": "redo", "Cmd-Y": "redo",
    "Cmd-Home": "goDocStart", "Cmd-Up": "goDocStart", "Cmd-End": "goDocEnd", "Cmd-Down": "goDocEnd", "Alt-Left": "goGroupLeft",
    "Alt-Right": "goGroupRight", "Cmd-Left": "goLineLeft", "Cmd-Right": "goLineRight", "Alt-Backspace": "delGroupBefore",
    "Ctrl-Alt-Backspace": "delGroupAfter", "Alt-Delete": "delGroupAfter", "Cmd-S": "save", "Cmd-F": "find",
    "Cmd-G": "findNext", "Shift-Cmd-G": "findPrev", "Cmd-Alt-F": "replace", "Shift-Cmd-Alt-F": "replaceAll",
    "Cmd-[": "indentLess", "Cmd-]": "indentMore", "Cmd-Backspace": "delWrappedLineLeft", "Cmd-Delete": "delWrappedLineRight",
    "Cmd-U": "undoSelection", "Shift-Cmd-U": "redoSelection", "Ctrl-Up": "goDocStart", "Ctrl-Down": "goDocEnd",
    "fallthrough": ["basic", "emacsy"]
  };
  keyMap["default"] = mac ? keyMap.macDefault : keyMap.pcDefault;

  // KEYMAP DISPATCH

  function normalizeKeyName(name) {
    var parts = name.split(/-(?!$)/);
    name = parts[parts.length - 1];
    var alt, ctrl, shift, cmd;
    for (var i = 0; i < parts.length - 1; i++) {
      var mod = parts[i];
      if (/^(cmd|meta|m)$/i.test(mod)) { cmd = true; }
      else if (/^a(lt)?$/i.test(mod)) { alt = true; }
      else if (/^(c|ctrl|control)$/i.test(mod)) { ctrl = true; }
      else if (/^s(hift)?$/i.test(mod)) { shift = true; }
      else { throw new Error("Unrecognized modifier name: " + mod) }
    }
    if (alt) { name = "Alt-" + name; }
    if (ctrl) { name = "Ctrl-" + name; }
    if (cmd) { name = "Cmd-" + name; }
    if (shift) { name = "Shift-" + name; }
    return name
  }

  // This is a kludge to keep keymaps mostly working as raw objects
  // (backwards compatibility) while at the same time support features
  // like normalization and multi-stroke key bindings. It compiles a
  // new normalized keymap, and then updates the old object to reflect
  // this.
  function normalizeKeyMap(keymap) {
    var copy = {};
    for (var keyname in keymap) { if (keymap.hasOwnProperty(keyname)) {
      var value = keymap[keyname];
      if (/^(name|fallthrough|(de|at)tach)$/.test(keyname)) { continue }
      if (value == "...") { delete keymap[keyname]; continue }

      var keys = map(keyname.split(" "), normalizeKeyName);
      for (var i = 0; i < keys.length; i++) {
        var val = (void 0), name = (void 0);
        if (i == keys.length - 1) {
          name = keys.join(" ");
          val = value;
        } else {
          name = keys.slice(0, i + 1).join(" ");
          val = "...";
        }
        var prev = copy[name];
        if (!prev) { copy[name] = val; }
        else if (prev != val) { throw new Error("Inconsistent bindings for " + name) }
      }
      delete keymap[keyname];
    } }
    for (var prop in copy) { keymap[prop] = copy[prop]; }
    return keymap
  }

  function lookupKey(key, map, handle, context) {
    map = getKeyMap(map);
    var found = map.call ? map.call(key, context) : map[key];
    if (found === false) { return "nothing" }
    if (found === "...") { return "multi" }
    if (found != null && handle(found)) { return "handled" }

    if (map.fallthrough) {
      if (Object.prototype.toString.call(map.fallthrough) != "[object Array]")
        { return lookupKey(key, map.fallthrough, handle, context) }
      for (var i = 0; i < map.fallthrough.length; i++) {
        var result = lookupKey(key, map.fallthrough[i], handle, context);
        if (result) { return result }
      }
    }
  }

  // Modifier key presses don't count as 'real' key presses for the
  // purpose of keymap fallthrough.
  function isModifierKey(value) {
    var name = typeof value == "string" ? value : keyNames[value.keyCode];
    return name == "Ctrl" || name == "Alt" || name == "Shift" || name == "Mod"
  }

  function addModifierNames(name, event, noShift) {
    var base = name;
    if (event.altKey && base != "Alt") { name = "Alt-" + name; }
    if ((flipCtrlCmd ? event.metaKey : event.ctrlKey) && base != "Ctrl") { name = "Ctrl-" + name; }
    if ((flipCtrlCmd ? event.ctrlKey : event.metaKey) && base != "Mod") { name = "Cmd-" + name; }
    if (!noShift && event.shiftKey && base != "Shift") { name = "Shift-" + name; }
    return name
  }

  // Look up the name of a key as indicated by an event object.
  function keyName(event, noShift) {
    if (presto && event.keyCode == 34 && event["char"]) { return false }
    var name = keyNames[event.keyCode];
    if (name == null || event.altGraphKey) { return false }
    // Ctrl-ScrollLock has keyCode 3, same as Ctrl-Pause,
    // so we'll use event.code when available (Chrome 48+, FF 38+, Safari 10.1+)
    if (event.keyCode == 3 && event.code) { name = event.code; }
    return addModifierNames(name, event, noShift)
  }

  function getKeyMap(val) {
    return typeof val == "string" ? keyMap[val] : val
  }

  // Helper for deleting text near the selection(s), used to implement
  // backspace, delete, and similar functionality.
  function deleteNearSelection(cm, compute) {
    var ranges = cm.doc.sel.ranges, kill = [];
    // Build up a set of ranges to kill first, merging overlapping
    // ranges.
    for (var i = 0; i < ranges.length; i++) {
      var toKill = compute(ranges[i]);
      while (kill.length && cmp(toKill.from, lst(kill).to) <= 0) {
        var replaced = kill.pop();
        if (cmp(replaced.from, toKill.from) < 0) {
          toKill.from = replaced.from;
          break
        }
      }
      kill.push(toKill);
    }
    // Next, remove those actual ranges.
    runInOp(cm, function () {
      for (var i = kill.length - 1; i >= 0; i--)
        { replaceRange(cm.doc, "", kill[i].from, kill[i].to, "+delete"); }
      ensureCursorVisible(cm);
    });
  }

  function moveCharLogically(line, ch, dir) {
    var target = skipExtendingChars(line.text, ch + dir, dir);
    return target < 0 || target > line.text.length ? null : target
  }

  function moveLogically(line, start, dir) {
    var ch = moveCharLogically(line, start.ch, dir);
    return ch == null ? null : new Pos(start.line, ch, dir < 0 ? "after" : "before")
  }

  function endOfLine(visually, cm, lineObj, lineNo, dir) {
    if (visually) {
      if (cm.doc.direction == "rtl") { dir = -dir; }
      var order = getOrder(lineObj, cm.doc.direction);
      if (order) {
        var part = dir < 0 ? lst(order) : order[0];
        var moveInStorageOrder = (dir < 0) == (part.level == 1);
        var sticky = moveInStorageOrder ? "after" : "before";
        var ch;
        // With a wrapped rtl chunk (possibly spanning multiple bidi parts),
        // it could be that the last bidi part is not on the last visual line,
        // since visual lines contain content order-consecutive chunks.
        // Thus, in rtl, we are looking for the first (content-order) character
        // in the rtl chunk that is on the last line (that is, the same line
        // as the last (content-order) character).
        if (part.level > 0 || cm.doc.direction == "rtl") {
          var prep = prepareMeasureForLine(cm, lineObj);
          ch = dir < 0 ? lineObj.text.length - 1 : 0;
          var targetTop = measureCharPrepared(cm, prep, ch).top;
          ch = findFirst(function (ch) { return measureCharPrepared(cm, prep, ch).top == targetTop; }, (dir < 0) == (part.level == 1) ? part.from : part.to - 1, ch);
          if (sticky == "before") { ch = moveCharLogically(lineObj, ch, 1); }
        } else { ch = dir < 0 ? part.to : part.from; }
        return new Pos(lineNo, ch, sticky)
      }
    }
    return new Pos(lineNo, dir < 0 ? lineObj.text.length : 0, dir < 0 ? "before" : "after")
  }

  function moveVisually(cm, line, start, dir) {
    var bidi = getOrder(line, cm.doc.direction);
    if (!bidi) { return moveLogically(line, start, dir) }
    if (start.ch >= line.text.length) {
      start.ch = line.text.length;
      start.sticky = "before";
    } else if (start.ch <= 0) {
      start.ch = 0;
      start.sticky = "after";
    }
    var partPos = getBidiPartAt(bidi, start.ch, start.sticky), part = bidi[partPos];
    if (cm.doc.direction == "ltr" && part.level % 2 == 0 && (dir > 0 ? part.to > start.ch : part.from < start.ch)) {
      // Case 1: We move within an ltr part in an ltr editor. Even with wrapped lines,
      // nothing interesting happens.
      return moveLogically(line, start, dir)
    }

    var mv = function (pos, dir) { return moveCharLogically(line, pos instanceof Pos ? pos.ch : pos, dir); };
    var prep;
    var getWrappedLineExtent = function (ch) {
      if (!cm.options.lineWrapping) { return {begin: 0, end: line.text.length} }
      prep = prep || prepareMeasureForLine(cm, line);
      return wrappedLineExtentChar(cm, line, prep, ch)
    };
    var wrappedLineExtent = getWrappedLineExtent(start.sticky == "before" ? mv(start, -1) : start.ch);

    if (cm.doc.direction == "rtl" || part.level == 1) {
      var moveInStorageOrder = (part.level == 1) == (dir < 0);
      var ch = mv(start, moveInStorageOrder ? 1 : -1);
      if (ch != null && (!moveInStorageOrder ? ch >= part.from && ch >= wrappedLineExtent.begin : ch <= part.to && ch <= wrappedLineExtent.end)) {
        // Case 2: We move within an rtl part or in an rtl editor on the same visual line
        var sticky = moveInStorageOrder ? "before" : "after";
        return new Pos(start.line, ch, sticky)
      }
    }

    // Case 3: Could not move within this bidi part in this visual line, so leave
    // the current bidi part

    var searchInVisualLine = function (partPos, dir, wrappedLineExtent) {
      var getRes = function (ch, moveInStorageOrder) { return moveInStorageOrder
        ? new Pos(start.line, mv(ch, 1), "before")
        : new Pos(start.line, ch, "after"); };

      for (; partPos >= 0 && partPos < bidi.length; partPos += dir) {
        var part = bidi[partPos];
        var moveInStorageOrder = (dir > 0) == (part.level != 1);
        var ch = moveInStorageOrder ? wrappedLineExtent.begin : mv(wrappedLineExtent.end, -1);
        if (part.from <= ch && ch < part.to) { return getRes(ch, moveInStorageOrder) }
        ch = moveInStorageOrder ? part.from : mv(part.to, -1);
        if (wrappedLineExtent.begin <= ch && ch < wrappedLineExtent.end) { return getRes(ch, moveInStorageOrder) }
      }
    };

    // Case 3a: Look for other bidi parts on the same visual line
    var res = searchInVisualLine(partPos + dir, dir, wrappedLineExtent);
    if (res) { return res }

    // Case 3b: Look for other bidi parts on the next visual line
    var nextCh = dir > 0 ? wrappedLineExtent.end : mv(wrappedLineExtent.begin, -1);
    if (nextCh != null && !(dir > 0 && nextCh == line.text.length)) {
      res = searchInVisualLine(dir > 0 ? 0 : bidi.length - 1, dir, getWrappedLineExtent(nextCh));
      if (res) { return res }
    }

    // Case 4: Nowhere to move
    return null
  }

  // Commands are parameter-less actions that can be performed on an
  // editor, mostly used for keybindings.
  var commands = {
    selectAll: selectAll,
    singleSelection: function (cm) { return cm.setSelection(cm.getCursor("anchor"), cm.getCursor("head"), sel_dontScroll); },
    killLine: function (cm) { return deleteNearSelection(cm, function (range) {
      if (range.empty()) {
        var len = getLine(cm.doc, range.head.line).text.length;
        if (range.head.ch == len && range.head.line < cm.lastLine())
          { return {from: range.head, to: Pos(range.head.line + 1, 0)} }
        else
          { return {from: range.head, to: Pos(range.head.line, len)} }
      } else {
        return {from: range.from(), to: range.to()}
      }
    }); },
    deleteLine: function (cm) { return deleteNearSelection(cm, function (range) { return ({
      from: Pos(range.from().line, 0),
      to: clipPos(cm.doc, Pos(range.to().line + 1, 0))
    }); }); },
    delLineLeft: function (cm) { return deleteNearSelection(cm, function (range) { return ({
      from: Pos(range.from().line, 0), to: range.from()
    }); }); },
    delWrappedLineLeft: function (cm) { return deleteNearSelection(cm, function (range) {
      var top = cm.charCoords(range.head, "div").top + 5;
      var leftPos = cm.coordsChar({left: 0, top: top}, "div");
      return {from: leftPos, to: range.from()}
    }); },
    delWrappedLineRight: function (cm) { return deleteNearSelection(cm, function (range) {
      var top = cm.charCoords(range.head, "div").top + 5;
      var rightPos = cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div");
      return {from: range.from(), to: rightPos }
    }); },
    undo: function (cm) { return cm.undo(); },
    redo: function (cm) { return cm.redo(); },
    undoSelection: function (cm) { return cm.undoSelection(); },
    redoSelection: function (cm) { return cm.redoSelection(); },
    goDocStart: function (cm) { return cm.extendSelection(Pos(cm.firstLine(), 0)); },
    goDocEnd: function (cm) { return cm.extendSelection(Pos(cm.lastLine())); },
    goLineStart: function (cm) { return cm.extendSelectionsBy(function (range) { return lineStart(cm, range.head.line); },
      {origin: "+move", bias: 1}
    ); },
    goLineStartSmart: function (cm) { return cm.extendSelectionsBy(function (range) { return lineStartSmart(cm, range.head); },
      {origin: "+move", bias: 1}
    ); },
    goLineEnd: function (cm) { return cm.extendSelectionsBy(function (range) { return lineEnd(cm, range.head.line); },
      {origin: "+move", bias: -1}
    ); },
    goLineRight: function (cm) { return cm.extendSelectionsBy(function (range) {
      var top = cm.cursorCoords(range.head, "div").top + 5;
      return cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div")
    }, sel_move); },
    goLineLeft: function (cm) { return cm.extendSelectionsBy(function (range) {
      var top = cm.cursorCoords(range.head, "div").top + 5;
      return cm.coordsChar({left: 0, top: top}, "div")
    }, sel_move); },
    goLineLeftSmart: function (cm) { return cm.extendSelectionsBy(function (range) {
      var top = cm.cursorCoords(range.head, "div").top + 5;
      var pos = cm.coordsChar({left: 0, top: top}, "div");
      if (pos.ch < cm.getLine(pos.line).search(/\S/)) { return lineStartSmart(cm, range.head) }
      return pos
    }, sel_move); },
    goLineUp: function (cm) { return cm.moveV(-1, "line"); },
    goLineDown: function (cm) { return cm.moveV(1, "line"); },
    goPageUp: function (cm) { return cm.moveV(-1, "page"); },
    goPageDown: function (cm) { return cm.moveV(1, "page"); },
    goCharLeft: function (cm) { return cm.moveH(-1, "char"); },
    goCharRight: function (cm) { return cm.moveH(1, "char"); },
    goColumnLeft: function (cm) { return cm.moveH(-1, "column"); },
    goColumnRight: function (cm) { return cm.moveH(1, "column"); },
    goWordLeft: function (cm) { return cm.moveH(-1, "word"); },
    goGroupRight: function (cm) { return cm.moveH(1, "group"); },
    goGroupLeft: function (cm) { return cm.moveH(-1, "group"); },
    goWordRight: function (cm) { return cm.moveH(1, "word"); },
    delCharBefore: function (cm) { return cm.deleteH(-1, "codepoint"); },
    delCharAfter: function (cm) { return cm.deleteH(1, "char"); },
    delWordBefore: function (cm) { return cm.deleteH(-1, "word"); },
    delWordAfter: function (cm) { return cm.deleteH(1, "word"); },
    delGroupBefore: function (cm) { return cm.deleteH(-1, "group"); },
    delGroupAfter: function (cm) { return cm.deleteH(1, "group"); },
    indentAuto: function (cm) { return cm.indentSelection("smart"); },
    indentMore: function (cm) { return cm.indentSelection("add"); },
    indentLess: function (cm) { return cm.indentSelection("subtract"); },
    insertTab: function (cm) { return cm.replaceSelection("\t"); },
    insertSoftTab: function (cm) {
      var spaces = [], ranges = cm.listSelections(), tabSize = cm.options.tabSize;
      for (var i = 0; i < ranges.length; i++) {
        var pos = ranges[i].from();
        var col = countColumn(cm.getLine(pos.line), pos.ch, tabSize);
        spaces.push(spaceStr(tabSize - col % tabSize));
      }
      cm.replaceSelections(spaces);
    },
    defaultTab: function (cm) {
      if (cm.somethingSelected()) { cm.indentSelection("add"); }
      else { cm.execCommand("insertTab"); }
    },
    // Swap the two chars left and right of each selection's head.
    // Move cursor behind the two swapped characters afterwards.
    //
    // Doesn't consider line feeds a character.
    // Doesn't scan more than one line above to find a character.
    // Doesn't do anything on an empty line.
    // Doesn't do anything with non-empty selections.
    transposeChars: function (cm) { return runInOp(cm, function () {
      var ranges = cm.listSelections(), newSel = [];
      for (var i = 0; i < ranges.length; i++) {
        if (!ranges[i].empty()) { continue }
        var cur = ranges[i].head, line = getLine(cm.doc, cur.line).text;
        if (line) {
          if (cur.ch == line.length) { cur = new Pos(cur.line, cur.ch - 1); }
          if (cur.ch > 0) {
            cur = new Pos(cur.line, cur.ch + 1);
            cm.replaceRange(line.charAt(cur.ch - 1) + line.charAt(cur.ch - 2),
                            Pos(cur.line, cur.ch - 2), cur, "+transpose");
          } else if (cur.line > cm.doc.first) {
            var prev = getLine(cm.doc, cur.line - 1).text;
            if (prev) {
              cur = new Pos(cur.line, 1);
              cm.replaceRange(line.charAt(0) + cm.doc.lineSeparator() +
                              prev.charAt(prev.length - 1),
                              Pos(cur.line - 1, prev.length - 1), cur, "+transpose");
            }
          }
        }
        newSel.push(new Range(cur, cur));
      }
      cm.setSelections(newSel);
    }); },
    newlineAndIndent: function (cm) { return runInOp(cm, function () {
      var sels = cm.listSelections();
      for (var i = sels.length - 1; i >= 0; i--)
        { cm.replaceRange(cm.doc.lineSeparator(), sels[i].anchor, sels[i].head, "+input"); }
      sels = cm.listSelections();
      for (var i$1 = 0; i$1 < sels.length; i$1++)
        { cm.indentLine(sels[i$1].from().line, null, true); }
      ensureCursorVisible(cm);
    }); },
    openLine: function (cm) { return cm.replaceSelection("\n", "start"); },
    toggleOverwrite: function (cm) { return cm.toggleOverwrite(); }
  };


  function lineStart(cm, lineN) {
    var line = getLine(cm.doc, lineN);
    var visual = visualLine(line);
    if (visual != line) { lineN = lineNo(visual); }
    return endOfLine(true, cm, visual, lineN, 1)
  }
  function lineEnd(cm, lineN) {
    var line = getLine(cm.doc, lineN);
    var visual = visualLineEnd(line);
    if (visual != line) { lineN = lineNo(visual); }
    return endOfLine(true, cm, line, lineN, -1)
  }
  function lineStartSmart(cm, pos) {
    var start = lineStart(cm, pos.line);
    var line = getLine(cm.doc, start.line);
    var order = getOrder(line, cm.doc.direction);
    if (!order || order[0].level == 0) {
      var firstNonWS = Math.max(start.ch, line.text.search(/\S/));
      var inWS = pos.line == start.line && pos.ch <= firstNonWS && pos.ch;
      return Pos(start.line, inWS ? 0 : firstNonWS, start.sticky)
    }
    return start
  }

  // Run a handler that was bound to a key.
  function doHandleBinding(cm, bound, dropShift) {
    if (typeof bound == "string") {
      bound = commands[bound];
      if (!bound) { return false }
    }
    // Ensure previous input has been read, so that the handler sees a
    // consistent view of the document
    cm.display.input.ensurePolled();
    var prevShift = cm.display.shift, done = false;
    try {
      if (cm.isReadOnly()) { cm.state.suppressEdits = true; }
      if (dropShift) { cm.display.shift = false; }
      done = bound(cm) != Pass;
    } finally {
      cm.display.shift = prevShift;
      cm.state.suppressEdits = false;
    }
    return done
  }

  function lookupKeyForEditor(cm, name, handle) {
    for (var i = 0; i < cm.state.keyMaps.length; i++) {
      var result = lookupKey(name, cm.state.keyMaps[i], handle, cm);
      if (result) { return result }
    }
    return (cm.options.extraKeys && lookupKey(name, cm.options.extraKeys, handle, cm))
      || lookupKey(name, cm.options.keyMap, handle, cm)
  }

  // Note that, despite the name, this function is also used to check
  // for bound mouse clicks.

  var stopSeq = new Delayed;

  function dispatchKey(cm, name, e, handle) {
    var seq = cm.state.keySeq;
    if (seq) {
      if (isModifierKey(name)) { return "handled" }
      if (/\'$/.test(name))
        { cm.state.keySeq = null; }
      else
        { stopSeq.set(50, function () {
          if (cm.state.keySeq == seq) {
            cm.state.keySeq = null;
            cm.display.input.reset();
          }
        }); }
      if (dispatchKeyInner(cm, seq + " " + name, e, handle)) { return true }
    }
    return dispatchKeyInner(cm, name, e, handle)
  }

  function dispatchKeyInner(cm, name, e, handle) {
    var result = lookupKeyForEditor(cm, name, handle);

    if (result == "multi")
      { cm.state.keySeq = name; }
    if (result == "handled")
      { signalLater(cm, "keyHandled", cm, name, e); }

    if (result == "handled" || result == "multi") {
      e_preventDefault(e);
      restartBlink(cm);
    }

    return !!result
  }

  // Handle a key from the keydown event.
  function handleKeyBinding(cm, e) {
    var name = keyName(e, true);
    if (!name) { return false }

    if (e.shiftKey && !cm.state.keySeq) {
      // First try to resolve full name (including 'Shift-'). Failing
      // that, see if there is a cursor-motion command (starting with
      // 'go') bound to the keyname without 'Shift-'.
      return dispatchKey(cm, "Shift-" + name, e, function (b) { return doHandleBinding(cm, b, true); })
          || dispatchKey(cm, name, e, function (b) {
               if (typeof b == "string" ? /^go[A-Z]/.test(b) : b.motion)
                 { return doHandleBinding(cm, b) }
             })
    } else {
      return dispatchKey(cm, name, e, function (b) { return doHandleBinding(cm, b); })
    }
  }

  // Handle a key from the keypress event
  function handleCharBinding(cm, e, ch) {
    return dispatchKey(cm, "'" + ch + "'", e, function (b) { return doHandleBinding(cm, b, true); })
  }

  var lastStoppedKey = null;
  function onKeyDown(e) {
    var cm = this;
    if (e.target && e.target != cm.display.input.getField()) { return }
    cm.curOp.focus = activeElt();
    if (signalDOMEvent(cm, e)) { return }
    // IE does strange things with escape.
    if (ie && ie_version < 11 && e.keyCode == 27) { e.returnValue = false; }
    var code = e.keyCode;
    cm.display.shift = code == 16 || e.shiftKey;
    var handled = handleKeyBinding(cm, e);
    if (presto) {
      lastStoppedKey = handled ? code : null;
      // Opera has no cut event... we try to at least catch the key combo
      if (!handled && code == 88 && !hasCopyEvent && (mac ? e.metaKey : e.ctrlKey))
        { cm.replaceSelection("", null, "cut"); }
    }
    if (gecko && !mac && !handled && code == 46 && e.shiftKey && !e.ctrlKey && document.execCommand)
      { document.execCommand("cut"); }

    // Turn mouse into crosshair when Alt is held on Mac.
    if (code == 18 && !/\bCodeMirror-crosshair\b/.test(cm.display.lineDiv.className))
      { showCrossHair(cm); }
  }

  function showCrossHair(cm) {
    var lineDiv = cm.display.lineDiv;
    addClass(lineDiv, "CodeMirror-crosshair");

    function up(e) {
      if (e.keyCode == 18 || !e.altKey) {
        rmClass(lineDiv, "CodeMirror-crosshair");
        off(document, "keyup", up);
        off(document, "mouseover", up);
      }
    }
    on(document, "keyup", up);
    on(document, "mouseover", up);
  }

  function onKeyUp(e) {
    if (e.keyCode == 16) { this.doc.sel.shift = false; }
    signalDOMEvent(this, e);
  }

  function onKeyPress(e) {
    var cm = this;
    if (e.target && e.target != cm.display.input.getField()) { return }
    if (eventInWidget(cm.display, e) || signalDOMEvent(cm, e) || e.ctrlKey && !e.altKey || mac && e.metaKey) { return }
    var keyCode = e.keyCode, charCode = e.charCode;
    if (presto && keyCode == lastStoppedKey) {lastStoppedKey = null; e_preventDefault(e); return}
    if ((presto && (!e.which || e.which < 10)) && handleKeyBinding(cm, e)) { return }
    var ch = String.fromCharCode(charCode == null ? keyCode : charCode);
    // Some browsers fire keypress events for backspace
    if (ch == "\x08") { return }
    if (handleCharBinding(cm, e, ch)) { return }
    cm.display.input.onKeyPress(e);
  }

  var DOUBLECLICK_DELAY = 400;

  var PastClick = function(time, pos, button) {
    this.time = time;
    this.pos = pos;
    this.button = button;
  };

  PastClick.prototype.compare = function (time, pos, button) {
    return this.time + DOUBLECLICK_DELAY > time &&
      cmp(pos, this.pos) == 0 && button == this.button
  };

  var lastClick, lastDoubleClick;
  function clickRepeat(pos, button) {
    var now = +new Date;
    if (lastDoubleClick && lastDoubleClick.compare(now, pos, button)) {
      lastClick = lastDoubleClick = null;
      return "triple"
    } else if (lastClick && lastClick.compare(now, pos, button)) {
      lastDoubleClick = new PastClick(now, pos, button);
      lastClick = null;
      return "double"
    } else {
      lastClick = new PastClick(now, pos, button);
      lastDoubleClick = null;
      return "single"
    }
  }

  // A mouse down can be a single click, double click, triple click,
  // start of selection drag, start of text drag, new cursor
  // (ctrl-click), rectangle drag (alt-drag), or xwin
  // middle-click-paste. Or it might be a click on something we should
  // not interfere with, such as a scrollbar or widget.
  function onMouseDown(e) {
    var cm = this, display = cm.display;
    if (signalDOMEvent(cm, e) || display.activeTouch && display.input.supportsTouch()) { return }
    display.input.ensurePolled();
    display.shift = e.shiftKey;

    if (eventInWidget(display, e)) {
      if (!webkit) {
        // Briefly turn off draggability, to allow widgets to do
        // normal dragging things.
        display.scroller.draggable = false;
        setTimeout(function () { return display.scroller.draggable = true; }, 100);
      }
      return
    }
    if (clickInGutter(cm, e)) { return }
    var pos = posFromMouse(cm, e), button = e_button(e), repeat = pos ? clickRepeat(pos, button) : "single";
    window.focus();

    // #3261: make sure, that we're not starting a second selection
    if (button == 1 && cm.state.selectingText)
      { cm.state.selectingText(e); }

    if (pos && handleMappedButton(cm, button, pos, repeat, e)) { return }

    if (button == 1) {
      if (pos) { leftButtonDown(cm, pos, repeat, e); }
      else if (e_target(e) == display.scroller) { e_preventDefault(e); }
    } else if (button == 2) {
      if (pos) { extendSelection(cm.doc, pos); }
      setTimeout(function () { return display.input.focus(); }, 20);
    } else if (button == 3) {
      if (captureRightClick) { cm.display.input.onContextMenu(e); }
      else { delayBlurEvent(cm); }
    }
  }

  function handleMappedButton(cm, button, pos, repeat, event) {
    var name = "Click";
    if (repeat == "double") { name = "Double" + name; }
    else if (repeat == "triple") { name = "Triple" + name; }
    name = (button == 1 ? "Left" : button == 2 ? "Middle" : "Right") + name;

    return dispatchKey(cm,  addModifierNames(name, event), event, function (bound) {
      if (typeof bound == "string") { bound = commands[bound]; }
      if (!bound) { return false }
      var done = false;
      try {
        if (cm.isReadOnly()) { cm.state.suppressEdits = true; }
        done = bound(cm, pos) != Pass;
      } finally {
        cm.state.suppressEdits = false;
      }
      return done
    })
  }

  function configureMouse(cm, repeat, event) {
    var option = cm.getOption("configureMouse");
    var value = option ? option(cm, repeat, event) : {};
    if (value.unit == null) {
      var rect = chromeOS ? event.shiftKey && event.metaKey : event.altKey;
      value.unit = rect ? "rectangle" : repeat == "single" ? "char" : repeat == "double" ? "word" : "line";
    }
    if (value.extend == null || cm.doc.extend) { value.extend = cm.doc.extend || event.shiftKey; }
    if (value.addNew == null) { value.addNew = mac ? event.metaKey : event.ctrlKey; }
    if (value.moveOnDrag == null) { value.moveOnDrag = !(mac ? event.altKey : event.ctrlKey); }
    return value
  }

  function leftButtonDown(cm, pos, repeat, event) {
    if (ie) { setTimeout(bind(ensureFocus, cm), 0); }
    else { cm.curOp.focus = activeElt(); }

    var behavior = configureMouse(cm, repeat, event);

    var sel = cm.doc.sel, contained;
    if (cm.options.dragDrop && dragAndDrop && !cm.isReadOnly() &&
        repeat == "single" && (contained = sel.contains(pos)) > -1 &&
        (cmp((contained = sel.ranges[contained]).from(), pos) < 0 || pos.xRel > 0) &&
        (cmp(contained.to(), pos) > 0 || pos.xRel < 0))
      { leftButtonStartDrag(cm, event, pos, behavior); }
    else
      { leftButtonSelect(cm, event, pos, behavior); }
  }

  // Start a text drag. When it ends, see if any dragging actually
  // happen, and treat as a click if it didn't.
  function leftButtonStartDrag(cm, event, pos, behavior) {
    var display = cm.display, moved = false;
    var dragEnd = operation(cm, function (e) {
      if (webkit) { display.scroller.draggable = false; }
      cm.state.draggingText = false;
      off(display.wrapper.ownerDocument, "mouseup", dragEnd);
      off(display.wrapper.ownerDocument, "mousemove", mouseMove);
      off(display.scroller, "dragstart", dragStart);
      off(display.scroller, "drop", dragEnd);
      if (!moved) {
        e_preventDefault(e);
        if (!behavior.addNew)
          { extendSelection(cm.doc, pos, null, null, behavior.extend); }
        // Work around unexplainable focus problem in IE9 (#2127) and Chrome (#3081)
        if ((webkit && !safari) || ie && ie_version == 9)
          { setTimeout(function () {display.wrapper.ownerDocument.body.focus({preventScroll: true}); display.input.focus();}, 20); }
        else
          { display.input.focus(); }
      }
    });
    var mouseMove = function(e2) {
      moved = moved || Math.abs(event.clientX - e2.clientX) + Math.abs(event.clientY - e2.clientY) >= 10;
    };
    var dragStart = function () { return moved = true; };
    // Let the drag handler handle this.
    if (webkit) { display.scroller.draggable = true; }
    cm.state.draggingText = dragEnd;
    dragEnd.copy = !behavior.moveOnDrag;
    // IE's approach to draggable
    if (display.scroller.dragDrop) { display.scroller.dragDrop(); }
    on(display.wrapper.ownerDocument, "mouseup", dragEnd);
    on(display.wrapper.ownerDocument, "mousemove", mouseMove);
    on(display.scroller, "dragstart", dragStart);
    on(display.scroller, "drop", dragEnd);

    delayBlurEvent(cm);
    setTimeout(function () { return display.input.focus(); }, 20);
  }

  function rangeForUnit(cm, pos, unit) {
    if (unit == "char") { return new Range(pos, pos) }
    if (unit == "word") { return cm.findWordAt(pos) }
    if (unit == "line") { return new Range(Pos(pos.line, 0), clipPos(cm.doc, Pos(pos.line + 1, 0))) }
    var result = unit(cm, pos);
    return new Range(result.from, result.to)
  }

  // Normal selection, as opposed to text dragging.
  function leftButtonSelect(cm, event, start, behavior) {
    var display = cm.display, doc = cm.doc;
    e_preventDefault(event);

    var ourRange, ourIndex, startSel = doc.sel, ranges = startSel.ranges;
    if (behavior.addNew && !behavior.extend) {
      ourIndex = doc.sel.contains(start);
      if (ourIndex > -1)
        { ourRange = ranges[ourIndex]; }
      else
        { ourRange = new Range(start, start); }
    } else {
      ourRange = doc.sel.primary();
      ourIndex = doc.sel.primIndex;
    }

    if (behavior.unit == "rectangle") {
      if (!behavior.addNew) { ourRange = new Range(start, start); }
      start = posFromMouse(cm, event, true, true);
      ourIndex = -1;
    } else {
      var range = rangeForUnit(cm, start, behavior.unit);
      if (behavior.extend)
        { ourRange = extendRange(ourRange, range.anchor, range.head, behavior.extend); }
      else
        { ourRange = range; }
    }

    if (!behavior.addNew) {
      ourIndex = 0;
      setSelection(doc, new Selection([ourRange], 0), sel_mouse);
      startSel = doc.sel;
    } else if (ourIndex == -1) {
      ourIndex = ranges.length;
      setSelection(doc, normalizeSelection(cm, ranges.concat([ourRange]), ourIndex),
                   {scroll: false, origin: "*mouse"});
    } else if (ranges.length > 1 && ranges[ourIndex].empty() && behavior.unit == "char" && !behavior.extend) {
      setSelection(doc, normalizeSelection(cm, ranges.slice(0, ourIndex).concat(ranges.slice(ourIndex + 1)), 0),
                   {scroll: false, origin: "*mouse"});
      startSel = doc.sel;
    } else {
      replaceOneSelection(doc, ourIndex, ourRange, sel_mouse);
    }

    var lastPos = start;
    function extendTo(pos) {
      if (cmp(lastPos, pos) == 0) { return }
      lastPos = pos;

      if (behavior.unit == "rectangle") {
        var ranges = [], tabSize = cm.options.tabSize;
        var startCol = countColumn(getLine(doc, start.line).text, start.ch, tabSize);
        var posCol = countColumn(getLine(doc, pos.line).text, pos.ch, tabSize);
        var left = Math.min(startCol, posCol), right = Math.max(startCol, posCol);
        for (var line = Math.min(start.line, pos.line), end = Math.min(cm.lastLine(), Math.max(start.line, pos.line));
             line <= end; line++) {
          var text = getLine(doc, line).text, leftPos = findColumn(text, left, tabSize);
          if (left == right)
            { ranges.push(new Range(Pos(line, leftPos), Pos(line, leftPos))); }
          else if (text.length > leftPos)
            { ranges.push(new Range(Pos(line, leftPos), Pos(line, findColumn(text, right, tabSize)))); }
        }
        if (!ranges.length) { ranges.push(new Range(start, start)); }
        setSelection(doc, normalizeSelection(cm, startSel.ranges.slice(0, ourIndex).concat(ranges), ourIndex),
                     {origin: "*mouse", scroll: false});
        cm.scrollIntoView(pos);
      } else {
        var oldRange = ourRange;
        var range = rangeForUnit(cm, pos, behavior.unit);
        var anchor = oldRange.anchor, head;
        if (cmp(range.anchor, anchor) > 0) {
          head = range.head;
          anchor = minPos(oldRange.from(), range.anchor);
        } else {
          head = range.anchor;
          anchor = maxPos(oldRange.to(), range.head);
        }
        var ranges$1 = startSel.ranges.slice(0);
        ranges$1[ourIndex] = bidiSimplify(cm, new Range(clipPos(doc, anchor), head));
        setSelection(doc, normalizeSelection(cm, ranges$1, ourIndex), sel_mouse);
      }
    }

    var editorSize = display.wrapper.getBoundingClientRect();
    // Used to ensure timeout re-tries don't fire when another extend
    // happened in the meantime (clearTimeout isn't reliable -- at
    // least on Chrome, the timeouts still happen even when cleared,
    // if the clear happens after their scheduled firing time).
    var counter = 0;

    function extend(e) {
      var curCount = ++counter;
      var cur = posFromMouse(cm, e, true, behavior.unit == "rectangle");
      if (!cur) { return }
      if (cmp(cur, lastPos) != 0) {
        cm.curOp.focus = activeElt();
        extendTo(cur);
        var visible = visibleLines(display, doc);
        if (cur.line >= visible.to || cur.line < visible.from)
          { setTimeout(operation(cm, function () {if (counter == curCount) { extend(e); }}), 150); }
      } else {
        var outside = e.clientY < editorSize.top ? -20 : e.clientY > editorSize.bottom ? 20 : 0;
        if (outside) { setTimeout(operation(cm, function () {
          if (counter != curCount) { return }
          display.scroller.scrollTop += outside;
          extend(e);
        }), 50); }
      }
    }

    function done(e) {
      cm.state.selectingText = false;
      counter = Infinity;
      // If e is null or undefined we interpret this as someone trying
      // to explicitly cancel the selection rather than the user
      // letting go of the mouse button.
      if (e) {
        e_preventDefault(e);
        display.input.focus();
      }
      off(display.wrapper.ownerDocument, "mousemove", move);
      off(display.wrapper.ownerDocument, "mouseup", up);
      doc.history.lastSelOrigin = null;
    }

    var move = operation(cm, function (e) {
      if (e.buttons === 0 || !e_button(e)) { done(e); }
      else { extend(e); }
    });
    var up = operation(cm, done);
    cm.state.selectingText = up;
    on(display.wrapper.ownerDocument, "mousemove", move);
    on(display.wrapper.ownerDocument, "mouseup", up);
  }

  // Used when mouse-selecting to adjust the anchor to the proper side
  // of a bidi jump depending on the visual position of the head.
  function bidiSimplify(cm, range) {
    var anchor = range.anchor;
    var head = range.head;
    var anchorLine = getLine(cm.doc, anchor.line);
    if (cmp(anchor, head) == 0 && anchor.sticky == head.sticky) { return range }
    var order = getOrder(anchorLine);
    if (!order) { return range }
    var index = getBidiPartAt(order, anchor.ch, anchor.sticky), part = order[index];
    if (part.from != anchor.ch && part.to != anchor.ch) { return range }
    var boundary = index + ((part.from == anchor.ch) == (part.level != 1) ? 0 : 1);
    if (boundary == 0 || boundary == order.length) { return range }

    // Compute the relative visual position of the head compared to the
    // anchor (<0 is to the left, >0 to the right)
    var leftSide;
    if (head.line != anchor.line) {
      leftSide = (head.line - anchor.line) * (cm.doc.direction == "ltr" ? 1 : -1) > 0;
    } else {
      var headIndex = getBidiPartAt(order, head.ch, head.sticky);
      var dir = headIndex - index || (head.ch - anchor.ch) * (part.level == 1 ? -1 : 1);
      if (headIndex == boundary - 1 || headIndex == boundary)
        { leftSide = dir < 0; }
      else
        { leftSide = dir > 0; }
    }

    var usePart = order[boundary + (leftSide ? -1 : 0)];
    var from = leftSide == (usePart.level == 1);
    var ch = from ? usePart.from : usePart.to, sticky = from ? "after" : "before";
    return anchor.ch == ch && anchor.sticky == sticky ? range : new Range(new Pos(anchor.line, ch, sticky), head)
  }


  // Determines whether an event happened in the gutter, and fires the
  // handlers for the corresponding event.
  function gutterEvent(cm, e, type, prevent) {
    var mX, mY;
    if (e.touches) {
      mX = e.touches[0].clientX;
      mY = e.touches[0].clientY;
    } else {
      try { mX = e.clientX; mY = e.clientY; }
      catch(e$1) { return false }
    }
    if (mX >= Math.floor(cm.display.gutters.getBoundingClientRect().right)) { return false }
    if (prevent) { e_preventDefault(e); }

    var display = cm.display;
    var lineBox = display.lineDiv.getBoundingClientRect();

    if (mY > lineBox.bottom || !hasHandler(cm, type)) { return e_defaultPrevented(e) }
    mY -= lineBox.top - display.viewOffset;

    for (var i = 0; i < cm.display.gutterSpecs.length; ++i) {
      var g = display.gutters.childNodes[i];
      if (g && g.getBoundingClientRect().right >= mX) {
        var line = lineAtHeight(cm.doc, mY);
        var gutter = cm.display.gutterSpecs[i];
        signal(cm, type, cm, line, gutter.className, e);
        return e_defaultPrevented(e)
      }
    }
  }

  function clickInGutter(cm, e) {
    return gutterEvent(cm, e, "gutterClick", true)
  }

  // CONTEXT MENU HANDLING

  // To make the context menu work, we need to briefly unhide the
  // textarea (making it as unobtrusive as possible) to let the
  // right-click take effect on it.
  function onContextMenu(cm, e) {
    if (eventInWidget(cm.display, e) || contextMenuInGutter(cm, e)) { return }
    if (signalDOMEvent(cm, e, "contextmenu")) { return }
    if (!captureRightClick) { cm.display.input.onContextMenu(e); }
  }

  function contextMenuInGutter(cm, e) {
    if (!hasHandler(cm, "gutterContextMenu")) { return false }
    return gutterEvent(cm, e, "gutterContextMenu", false)
  }

  function themeChanged(cm) {
    cm.display.wrapper.className = cm.display.wrapper.className.replace(/\s*cm-s-\S+/g, "") +
      cm.options.theme.replace(/(^|\s)\s*/g, " cm-s-");
    clearCaches(cm);
  }

  var Init = {toString: function(){return "CodeMirror.Init"}};

  var defaults = {};
  var optionHandlers = {};

  function defineOptions(CodeMirror) {
    var optionHandlers = CodeMirror.optionHandlers;

    function option(name, deflt, handle, notOnInit) {
      CodeMirror.defaults[name] = deflt;
      if (handle) { optionHandlers[name] =
        notOnInit ? function (cm, val, old) {if (old != Init) { handle(cm, val, old); }} : handle; }
    }

    CodeMirror.defineOption = option;

    // Passed to option handlers when there is no old value.
    CodeMirror.Init = Init;

    // These two are, on init, called from the constructor because they
    // have to be initialized before the editor can start at all.
    option("value", "", function (cm, val) { return cm.setValue(val); }, true);
    option("mode", null, function (cm, val) {
      cm.doc.modeOption = val;
      loadMode(cm);
    }, true);

    option("indentUnit", 2, loadMode, true);
    option("indentWithTabs", false);
    option("smartIndent", true);
    option("tabSize", 4, function (cm) {
      resetModeState(cm);
      clearCaches(cm);
      regChange(cm);
    }, true);

    option("lineSeparator", null, function (cm, val) {
      cm.doc.lineSep = val;
      if (!val) { return }
      var newBreaks = [], lineNo = cm.doc.first;
      cm.doc.iter(function (line) {
        for (var pos = 0;;) {
          var found = line.text.indexOf(val, pos);
          if (found == -1) { break }
          pos = found + val.length;
          newBreaks.push(Pos(lineNo, found));
        }
        lineNo++;
      });
      for (var i = newBreaks.length - 1; i >= 0; i--)
        { replaceRange(cm.doc, val, newBreaks[i], Pos(newBreaks[i].line, newBreaks[i].ch + val.length)); }
    });
    option("specialChars", /[\u0000-\u001f\u007f-\u009f\u00ad\u061c\u200b-\u200c\u200e\u200f\u2028\u2029\ufeff\ufff9-\ufffc]/g, function (cm, val, old) {
      cm.state.specialChars = new RegExp(val.source + (val.test("\t") ? "" : "|\t"), "g");
      if (old != Init) { cm.refresh(); }
    });
    option("specialCharPlaceholder", defaultSpecialCharPlaceholder, function (cm) { return cm.refresh(); }, true);
    option("electricChars", true);
    option("inputStyle", mobile ? "contenteditable" : "textarea", function () {
      throw new Error("inputStyle can not (yet) be changed in a running editor") // FIXME
    }, true);
    option("spellcheck", false, function (cm, val) { return cm.getInputField().spellcheck = val; }, true);
    option("autocorrect", false, function (cm, val) { return cm.getInputField().autocorrect = val; }, true);
    option("autocapitalize", false, function (cm, val) { return cm.getInputField().autocapitalize = val; }, true);
    option("rtlMoveVisually", !windows);
    option("wholeLineUpdateBefore", true);

    option("theme", "default", function (cm) {
      themeChanged(cm);
      updateGutters(cm);
    }, true);
    option("keyMap", "default", function (cm, val, old) {
      var next = getKeyMap(val);
      var prev = old != Init && getKeyMap(old);
      if (prev && prev.detach) { prev.detach(cm, next); }
      if (next.attach) { next.attach(cm, prev || null); }
    });
    option("extraKeys", null);
    option("configureMouse", null);

    option("lineWrapping", false, wrappingChanged, true);
    option("gutters", [], function (cm, val) {
      cm.display.gutterSpecs = getGutters(val, cm.options.lineNumbers);
      updateGutters(cm);
    }, true);
    option("fixedGutter", true, function (cm, val) {
      cm.display.gutters.style.left = val ? compensateForHScroll(cm.display) + "px" : "0";
      cm.refresh();
    }, true);
    option("coverGutterNextToScrollbar", false, function (cm) { return updateScrollbars(cm); }, true);
    option("scrollbarStyle", "native", function (cm) {
      initScrollbars(cm);
      updateScrollbars(cm);
      cm.display.scrollbars.setScrollTop(cm.doc.scrollTop);
      cm.display.scrollbars.setScrollLeft(cm.doc.scrollLeft);
    }, true);
    option("lineNumbers", false, function (cm, val) {
      cm.display.gutterSpecs = getGutters(cm.options.gutters, val);
      updateGutters(cm);
    }, true);
    option("firstLineNumber", 1, updateGutters, true);
    option("lineNumberFormatter", function (integer) { return integer; }, updateGutters, true);
    option("showCursorWhenSelecting", false, updateSelection, true);

    option("resetSelectionOnContextMenu", true);
    option("lineWiseCopyCut", true);
    option("pasteLinesPerSelection", true);
    option("selectionsMayTouch", false);

    option("readOnly", false, function (cm, val) {
      if (val == "nocursor") {
        onBlur(cm);
        cm.display.input.blur();
      }
      cm.display.input.readOnlyChanged(val);
    });

    option("screenReaderLabel", null, function (cm, val) {
      val = (val === '') ? null : val;
      cm.display.input.screenReaderLabelChanged(val);
    });

    option("disableInput", false, function (cm, val) {if (!val) { cm.display.input.reset(); }}, true);
    option("dragDrop", true, dragDropChanged);
    option("allowDropFileTypes", null);

    option("cursorBlinkRate", 530);
    option("cursorScrollMargin", 0);
    option("cursorHeight", 1, updateSelection, true);
    option("singleCursorHeightPerLine", true, updateSelection, true);
    option("workTime", 100);
    option("workDelay", 100);
    option("flattenSpans", true, resetModeState, true);
    option("addModeClass", false, resetModeState, true);
    option("pollInterval", 100);
    option("undoDepth", 200, function (cm, val) { return cm.doc.history.undoDepth = val; });
    option("historyEventDelay", 1250);
    option("viewportMargin", 10, function (cm) { return cm.refresh(); }, true);
    option("maxHighlightLength", 10000, resetModeState, true);
    option("moveInputWithCursor", true, function (cm, val) {
      if (!val) { cm.display.input.resetPosition(); }
    });

    option("tabindex", null, function (cm, val) { return cm.display.input.getField().tabIndex = val || ""; });
    option("autofocus", null);
    option("direction", "ltr", function (cm, val) { return cm.doc.setDirection(val); }, true);
    option("phrases", null);
  }

  function dragDropChanged(cm, value, old) {
    var wasOn = old && old != Init;
    if (!value != !wasOn) {
      var funcs = cm.display.dragFunctions;
      var toggle = value ? on : off;
      toggle(cm.display.scroller, "dragstart", funcs.start);
      toggle(cm.display.scroller, "dragenter", funcs.enter);
      toggle(cm.display.scroller, "dragover", funcs.over);
      toggle(cm.display.scroller, "dragleave", funcs.leave);
      toggle(cm.display.scroller, "drop", funcs.drop);
    }
  }

  function wrappingChanged(cm) {
    if (cm.options.lineWrapping) {
      addClass(cm.display.wrapper, "CodeMirror-wrap");
      cm.display.sizer.style.minWidth = "";
      cm.display.sizerWidth = null;
    } else {
      rmClass(cm.display.wrapper, "CodeMirror-wrap");
      findMaxLine(cm);
    }
    estimateLineHeights(cm);
    regChange(cm);
    clearCaches(cm);
    setTimeout(function () { return updateScrollbars(cm); }, 100);
  }

  // A CodeMirror instance represents an editor. This is the object
  // that user code is usually dealing with.

  function CodeMirror(place, options) {
    var this$1 = this;

    if (!(this instanceof CodeMirror)) { return new CodeMirror(place, options) }

    this.options = options = options ? copyObj(options) : {};
    // Determine effective options based on given values and defaults.
    copyObj(defaults, options, false);

    var doc = options.value;
    if (typeof doc == "string") { doc = new Doc(doc, options.mode, null, options.lineSeparator, options.direction); }
    else if (options.mode) { doc.modeOption = options.mode; }
    this.doc = doc;

    var input = new CodeMirror.inputStyles[options.inputStyle](this);
    var display = this.display = new Display(place, doc, input, options);
    display.wrapper.CodeMirror = this;
    themeChanged(this);
    if (options.lineWrapping)
      { this.display.wrapper.className += " CodeMirror-wrap"; }
    initScrollbars(this);

    this.state = {
      keyMaps: [],  // stores maps added by addKeyMap
      overlays: [], // highlighting overlays, as added by addOverlay
      modeGen: 0,   // bumped when mode/overlay changes, used to invalidate highlighting info
      overwrite: false,
      delayingBlurEvent: false,
      focused: false,
      suppressEdits: false, // used to disable editing during key handlers when in readOnly mode
      pasteIncoming: -1, cutIncoming: -1, // help recognize paste/cut edits in input.poll
      selectingText: false,
      draggingText: false,
      highlight: new Delayed(), // stores highlight worker timeout
      keySeq: null,  // Unfinished key sequence
      specialChars: null
    };

    if (options.autofocus && !mobile) { display.input.focus(); }

    // Override magic textarea content restore that IE sometimes does
    // on our hidden textarea on reload
    if (ie && ie_version < 11) { setTimeout(function () { return this$1.display.input.reset(true); }, 20); }

    registerEventHandlers(this);
    ensureGlobalHandlers();

    startOperation(this);
    this.curOp.forceUpdate = true;
    attachDoc(this, doc);

    if ((options.autofocus && !mobile) || this.hasFocus())
      { setTimeout(function () {
        if (this$1.hasFocus() && !this$1.state.focused) { onFocus(this$1); }
      }, 20); }
    else
      { onBlur(this); }

    for (var opt in optionHandlers) { if (optionHandlers.hasOwnProperty(opt))
      { optionHandlers[opt](this, options[opt], Init); } }
    maybeUpdateLineNumberWidth(this);
    if (options.finishInit) { options.finishInit(this); }
    for (var i = 0; i < initHooks.length; ++i) { initHooks[i](this); }
    endOperation(this);
    // Suppress optimizelegibility in Webkit, since it breaks text
    // measuring on line wrapping boundaries.
    if (webkit && options.lineWrapping &&
        getComputedStyle(display.lineDiv).textRendering == "optimizelegibility")
      { display.lineDiv.style.textRendering = "auto"; }
  }

  // The default configuration options.
  CodeMirror.defaults = defaults;
  // Functions to run when options are changed.
  CodeMirror.optionHandlers = optionHandlers;

  // Attach the necessary event handlers when initializing the editor
  function registerEventHandlers(cm) {
    var d = cm.display;
    on(d.scroller, "mousedown", operation(cm, onMouseDown));
    // Older IE's will not fire a second mousedown for a double click
    if (ie && ie_version < 11)
      { on(d.scroller, "dblclick", operation(cm, function (e) {
        if (signalDOMEvent(cm, e)) { return }
        var pos = posFromMouse(cm, e);
        if (!pos || clickInGutter(cm, e) || eventInWidget(cm.display, e)) { return }
        e_preventDefault(e);
        var word = cm.findWordAt(pos);
        extendSelection(cm.doc, word.anchor, word.head);
      })); }
    else
      { on(d.scroller, "dblclick", function (e) { return signalDOMEvent(cm, e) || e_preventDefault(e); }); }
    // Some browsers fire contextmenu *after* opening the menu, at
    // which point we can't mess with it anymore. Context menu is
    // handled in onMouseDown for these browsers.
    on(d.scroller, "contextmenu", function (e) { return onContextMenu(cm, e); });
    on(d.input.getField(), "contextmenu", function (e) {
      if (!d.scroller.contains(e.target)) { onContextMenu(cm, e); }
    });

    // Used to suppress mouse event handling when a touch happens
    var touchFinished, prevTouch = {end: 0};
    function finishTouch() {
      if (d.activeTouch) {
        touchFinished = setTimeout(function () { return d.activeTouch = null; }, 1000);
        prevTouch = d.activeTouch;
        prevTouch.end = +new Date;
      }
    }
    function isMouseLikeTouchEvent(e) {
      if (e.touches.length != 1) { return false }
      var touch = e.touches[0];
      return touch.radiusX <= 1 && touch.radiusY <= 1
    }
    function farAway(touch, other) {
      if (other.left == null) { return true }
      var dx = other.left - touch.left, dy = other.top - touch.top;
      return dx * dx + dy * dy > 20 * 20
    }
    on(d.scroller, "touchstart", function (e) {
      if (!signalDOMEvent(cm, e) && !isMouseLikeTouchEvent(e) && !clickInGutter(cm, e)) {
        d.input.ensurePolled();
        clearTimeout(touchFinished);
        var now = +new Date;
        d.activeTouch = {start: now, moved: false,
                         prev: now - prevTouch.end <= 300 ? prevTouch : null};
        if (e.touches.length == 1) {
          d.activeTouch.left = e.touches[0].pageX;
          d.activeTouch.top = e.touches[0].pageY;
        }
      }
    });
    on(d.scroller, "touchmove", function () {
      if (d.activeTouch) { d.activeTouch.moved = true; }
    });
    on(d.scroller, "touchend", function (e) {
      var touch = d.activeTouch;
      if (touch && !eventInWidget(d, e) && touch.left != null &&
          !touch.moved && new Date - touch.start < 300) {
        var pos = cm.coordsChar(d.activeTouch, "page"), range;
        if (!touch.prev || farAway(touch, touch.prev)) // Single tap
          { range = new Range(pos, pos); }
        else if (!touch.prev.prev || farAway(touch, touch.prev.prev)) // Double tap
          { range = cm.findWordAt(pos); }
        else // Triple tap
          { range = new Range(Pos(pos.line, 0), clipPos(cm.doc, Pos(pos.line + 1, 0))); }
        cm.setSelection(range.anchor, range.head);
        cm.focus();
        e_preventDefault(e);
      }
      finishTouch();
    });
    on(d.scroller, "touchcancel", finishTouch);

    // Sync scrolling between fake scrollbars and real scrollable
    // area, ensure viewport is updated when scrolling.
    on(d.scroller, "scroll", function () {
      if (d.scroller.clientHeight) {
        updateScrollTop(cm, d.scroller.scrollTop);
        setScrollLeft(cm, d.scroller.scrollLeft, true);
        signal(cm, "scroll", cm);
      }
    });

    // Listen to wheel events in order to try and update the viewport on time.
    on(d.scroller, "mousewheel", function (e) { return onScrollWheel(cm, e); });
    on(d.scroller, "DOMMouseScroll", function (e) { return onScrollWheel(cm, e); });

    // Prevent wrapper from ever scrolling
    on(d.wrapper, "scroll", function () { return d.wrapper.scrollTop = d.wrapper.scrollLeft = 0; });

    d.dragFunctions = {
      enter: function (e) {if (!signalDOMEvent(cm, e)) { e_stop(e); }},
      over: function (e) {if (!signalDOMEvent(cm, e)) { onDragOver(cm, e); e_stop(e); }},
      start: function (e) { return onDragStart(cm, e); },
      drop: operation(cm, onDrop),
      leave: function (e) {if (!signalDOMEvent(cm, e)) { clearDragCursor(cm); }}
    };

    var inp = d.input.getField();
    on(inp, "keyup", function (e) { return onKeyUp.call(cm, e); });
    on(inp, "keydown", operation(cm, onKeyDown));
    on(inp, "keypress", operation(cm, onKeyPress));
    on(inp, "focus", function (e) { return onFocus(cm, e); });
    on(inp, "blur", function (e) { return onBlur(cm, e); });
  }

  var initHooks = [];
  CodeMirror.defineInitHook = function (f) { return initHooks.push(f); };

  // Indent the given line. The how parameter can be "smart",
  // "add"/null, "subtract", or "prev". When aggressive is false
  // (typically set to true for forced single-line indents), empty
  // lines are not indented, and places where the mode returns Pass
  // are left alone.
  function indentLine(cm, n, how, aggressive) {
    var doc = cm.doc, state;
    if (how == null) { how = "add"; }
    if (how == "smart") {
      // Fall back to "prev" when the mode doesn't have an indentation
      // method.
      if (!doc.mode.indent) { how = "prev"; }
      else { state = getContextBefore(cm, n).state; }
    }

    var tabSize = cm.options.tabSize;
    var line = getLine(doc, n), curSpace = countColumn(line.text, null, tabSize);
    if (line.stateAfter) { line.stateAfter = null; }
    var curSpaceString = line.text.match(/^\s*/)[0], indentation;
    if (!aggressive && !/\S/.test(line.text)) {
      indentation = 0;
      how = "not";
    } else if (how == "smart") {
      indentation = doc.mode.indent(state, line.text.slice(curSpaceString.length), line.text);
      if (indentation == Pass || indentation > 150) {
        if (!aggressive) { return }
        how = "prev";
      }
    }
    if (how == "prev") {
      if (n > doc.first) { indentation = countColumn(getLine(doc, n-1).text, null, tabSize); }
      else { indentation = 0; }
    } else if (how == "add") {
      indentation = curSpace + cm.options.indentUnit;
    } else if (how == "subtract") {
      indentation = curSpace - cm.options.indentUnit;
    } else if (typeof how == "number") {
      indentation = curSpace + how;
    }
    indentation = Math.max(0, indentation);

    var indentString = "", pos = 0;
    if (cm.options.indentWithTabs)
      { for (var i = Math.floor(indentation / tabSize); i; --i) {pos += tabSize; indentString += "\t";} }
    if (pos < indentation) { indentString += spaceStr(indentation - pos); }

    if (indentString != curSpaceString) {
      replaceRange(doc, indentString, Pos(n, 0), Pos(n, curSpaceString.length), "+input");
      line.stateAfter = null;
      return true
    } else {
      // Ensure that, if the cursor was in the whitespace at the start
      // of the line, it is moved to the end of that space.
      for (var i$1 = 0; i$1 < doc.sel.ranges.length; i$1++) {
        var range = doc.sel.ranges[i$1];
        if (range.head.line == n && range.head.ch < curSpaceString.length) {
          var pos$1 = Pos(n, curSpaceString.length);
          replaceOneSelection(doc, i$1, new Range(pos$1, pos$1));
          break
        }
      }
    }
  }

  // This will be set to a {lineWise: bool, text: [string]} object, so
  // that, when pasting, we know what kind of selections the copied
  // text was made out of.
  var lastCopied = null;

  function setLastCopied(newLastCopied) {
    lastCopied = newLastCopied;
  }

  function applyTextInput(cm, inserted, deleted, sel, origin) {
    var doc = cm.doc;
    cm.display.shift = false;
    if (!sel) { sel = doc.sel; }

    var recent = +new Date - 200;
    var paste = origin == "paste" || cm.state.pasteIncoming > recent;
    var textLines = splitLinesAuto(inserted), multiPaste = null;
    // When pasting N lines into N selections, insert one line per selection
    if (paste && sel.ranges.length > 1) {
      if (lastCopied && lastCopied.text.join("\n") == inserted) {
        if (sel.ranges.length % lastCopied.text.length == 0) {
          multiPaste = [];
          for (var i = 0; i < lastCopied.text.length; i++)
            { multiPaste.push(doc.splitLines(lastCopied.text[i])); }
        }
      } else if (textLines.length == sel.ranges.length && cm.options.pasteLinesPerSelection) {
        multiPaste = map(textLines, function (l) { return [l]; });
      }
    }

    var updateInput = cm.curOp.updateInput;
    // Normal behavior is to insert the new text into every selection
    for (var i$1 = sel.ranges.length - 1; i$1 >= 0; i$1--) {
      var range = sel.ranges[i$1];
      var from = range.from(), to = range.to();
      if (range.empty()) {
        if (deleted && deleted > 0) // Handle deletion
          { from = Pos(from.line, from.ch - deleted); }
        else if (cm.state.overwrite && !paste) // Handle overwrite
          { to = Pos(to.line, Math.min(getLine(doc, to.line).text.length, to.ch + lst(textLines).length)); }
        else if (paste && lastCopied && lastCopied.lineWise && lastCopied.text.join("\n") == textLines.join("\n"))
          { from = to = Pos(from.line, 0); }
      }
      var changeEvent = {from: from, to: to, text: multiPaste ? multiPaste[i$1 % multiPaste.length] : textLines,
                         origin: origin || (paste ? "paste" : cm.state.cutIncoming > recent ? "cut" : "+input")};
      makeChange(cm.doc, changeEvent);
      signalLater(cm, "inputRead", cm, changeEvent);
    }
    if (inserted && !paste)
      { triggerElectric(cm, inserted); }

    ensureCursorVisible(cm);
    if (cm.curOp.updateInput < 2) { cm.curOp.updateInput = updateInput; }
    cm.curOp.typing = true;
    cm.state.pasteIncoming = cm.state.cutIncoming = -1;
  }

  function handlePaste(e, cm) {
    var pasted = e.clipboardData && e.clipboardData.getData("Text");
    if (pasted) {
      e.preventDefault();
      if (!cm.isReadOnly() && !cm.options.disableInput)
        { runInOp(cm, function () { return applyTextInput(cm, pasted, 0, null, "paste"); }); }
      return true
    }
  }

  function triggerElectric(cm, inserted) {
    // When an 'electric' character is inserted, immediately trigger a reindent
    if (!cm.options.electricChars || !cm.options.smartIndent) { return }
    var sel = cm.doc.sel;

    for (var i = sel.ranges.length - 1; i >= 0; i--) {
      var range = sel.ranges[i];
      if (range.head.ch > 100 || (i && sel.ranges[i - 1].head.line == range.head.line)) { continue }
      var mode = cm.getModeAt(range.head);
      var indented = false;
      if (mode.electricChars) {
        for (var j = 0; j < mode.electricChars.length; j++)
          { if (inserted.indexOf(mode.electricChars.charAt(j)) > -1) {
            indented = indentLine(cm, range.head.line, "smart");
            break
          } }
      } else if (mode.electricInput) {
        if (mode.electricInput.test(getLine(cm.doc, range.head.line).text.slice(0, range.head.ch)))
          { indented = indentLine(cm, range.head.line, "smart"); }
      }
      if (indented) { signalLater(cm, "electricInput", cm, range.head.line); }
    }
  }

  function copyableRanges(cm) {
    var text = [], ranges = [];
    for (var i = 0; i < cm.doc.sel.ranges.length; i++) {
      var line = cm.doc.sel.ranges[i].head.line;
      var lineRange = {anchor: Pos(line, 0), head: Pos(line + 1, 0)};
      ranges.push(lineRange);
      text.push(cm.getRange(lineRange.anchor, lineRange.head));
    }
    return {text: text, ranges: ranges}
  }

  function disableBrowserMagic(field, spellcheck, autocorrect, autocapitalize) {
    field.setAttribute("autocorrect", autocorrect ? "" : "off");
    field.setAttribute("autocapitalize", autocapitalize ? "" : "off");
    field.setAttribute("spellcheck", !!spellcheck);
  }

  function hiddenTextarea() {
    var te = elt("textarea", null, null, "position: absolute; bottom: -1em; padding: 0; width: 1px; height: 1em; outline: none");
    var div = elt("div", [te], null, "overflow: hidden; position: relative; width: 3px; height: 0px;");
    // The textarea is kept positioned near the cursor to prevent the
    // fact that it'll be scrolled into view on input from scrolling
    // our fake cursor out of view. On webkit, when wrap=off, paste is
    // very slow. So make the area wide instead.
    if (webkit) { te.style.width = "1000px"; }
    else { te.setAttribute("wrap", "off"); }
    // If border: 0; -- iOS fails to open keyboard (issue #1287)
    if (ios) { te.style.border = "1px solid black"; }
    disableBrowserMagic(te);
    return div
  }

  // The publicly visible API. Note that methodOp(f) means
  // 'wrap f in an operation, performed on its `this` parameter'.

  // This is not the complete set of editor methods. Most of the
  // methods defined on the Doc type are also injected into
  // CodeMirror.prototype, for backwards compatibility and
  // convenience.

  function addEditorMethods(CodeMirror) {
    var optionHandlers = CodeMirror.optionHandlers;

    var helpers = CodeMirror.helpers = {};

    CodeMirror.prototype = {
      constructor: CodeMirror,
      focus: function(){window.focus(); this.display.input.focus();},

      setOption: function(option, value) {
        var options = this.options, old = options[option];
        if (options[option] == value && option != "mode") { return }
        options[option] = value;
        if (optionHandlers.hasOwnProperty(option))
          { operation(this, optionHandlers[option])(this, value, old); }
        signal(this, "optionChange", this, option);
      },

      getOption: function(option) {return this.options[option]},
      getDoc: function() {return this.doc},

      addKeyMap: function(map, bottom) {
        this.state.keyMaps[bottom ? "push" : "unshift"](getKeyMap(map));
      },
      removeKeyMap: function(map) {
        var maps = this.state.keyMaps;
        for (var i = 0; i < maps.length; ++i)
          { if (maps[i] == map || maps[i].name == map) {
            maps.splice(i, 1);
            return true
          } }
      },

      addOverlay: methodOp(function(spec, options) {
        var mode = spec.token ? spec : CodeMirror.getMode(this.options, spec);
        if (mode.startState) { throw new Error("Overlays may not be stateful.") }
        insertSorted(this.state.overlays,
                     {mode: mode, modeSpec: spec, opaque: options && options.opaque,
                      priority: (options && options.priority) || 0},
                     function (overlay) { return overlay.priority; });
        this.state.modeGen++;
        regChange(this);
      }),
      removeOverlay: methodOp(function(spec) {
        var overlays = this.state.overlays;
        for (var i = 0; i < overlays.length; ++i) {
          var cur = overlays[i].modeSpec;
          if (cur == spec || typeof spec == "string" && cur.name == spec) {
            overlays.splice(i, 1);
            this.state.modeGen++;
            regChange(this);
            return
          }
        }
      }),

      indentLine: methodOp(function(n, dir, aggressive) {
        if (typeof dir != "string" && typeof dir != "number") {
          if (dir == null) { dir = this.options.smartIndent ? "smart" : "prev"; }
          else { dir = dir ? "add" : "subtract"; }
        }
        if (isLine(this.doc, n)) { indentLine(this, n, dir, aggressive); }
      }),
      indentSelection: methodOp(function(how) {
        var ranges = this.doc.sel.ranges, end = -1;
        for (var i = 0; i < ranges.length; i++) {
          var range = ranges[i];
          if (!range.empty()) {
            var from = range.from(), to = range.to();
            var start = Math.max(end, from.line);
            end = Math.min(this.lastLine(), to.line - (to.ch ? 0 : 1)) + 1;
            for (var j = start; j < end; ++j)
              { indentLine(this, j, how); }
            var newRanges = this.doc.sel.ranges;
            if (from.ch == 0 && ranges.length == newRanges.length && newRanges[i].from().ch > 0)
              { replaceOneSelection(this.doc, i, new Range(from, newRanges[i].to()), sel_dontScroll); }
          } else if (range.head.line > end) {
            indentLine(this, range.head.line, how, true);
            end = range.head.line;
            if (i == this.doc.sel.primIndex) { ensureCursorVisible(this); }
          }
        }
      }),

      // Fetch the parser token for a given character. Useful for hacks
      // that want to inspect the mode state (say, for completion).
      getTokenAt: function(pos, precise) {
        return takeToken(this, pos, precise)
      },

      getLineTokens: function(line, precise) {
        return takeToken(this, Pos(line), precise, true)
      },

      getTokenTypeAt: function(pos) {
        pos = clipPos(this.doc, pos);
        var styles = getLineStyles(this, getLine(this.doc, pos.line));
        var before = 0, after = (styles.length - 1) / 2, ch = pos.ch;
        var type;
        if (ch == 0) { type = styles[2]; }
        else { for (;;) {
          var mid = (before + after) >> 1;
          if ((mid ? styles[mid * 2 - 1] : 0) >= ch) { after = mid; }
          else if (styles[mid * 2 + 1] < ch) { before = mid + 1; }
          else { type = styles[mid * 2 + 2]; break }
        } }
        var cut = type ? type.indexOf("overlay ") : -1;
        return cut < 0 ? type : cut == 0 ? null : type.slice(0, cut - 1)
      },

      getModeAt: function(pos) {
        var mode = this.doc.mode;
        if (!mode.innerMode) { return mode }
        return CodeMirror.innerMode(mode, this.getTokenAt(pos).state).mode
      },

      getHelper: function(pos, type) {
        return this.getHelpers(pos, type)[0]
      },

      getHelpers: function(pos, type) {
        var found = [];
        if (!helpers.hasOwnProperty(type)) { return found }
        var help = helpers[type], mode = this.getModeAt(pos);
        if (typeof mode[type] == "string") {
          if (help[mode[type]]) { found.push(help[mode[type]]); }
        } else if (mode[type]) {
          for (var i = 0; i < mode[type].length; i++) {
            var val = help[mode[type][i]];
            if (val) { found.push(val); }
          }
        } else if (mode.helperType && help[mode.helperType]) {
          found.push(help[mode.helperType]);
        } else if (help[mode.name]) {
          found.push(help[mode.name]);
        }
        for (var i$1 = 0; i$1 < help._global.length; i$1++) {
          var cur = help._global[i$1];
          if (cur.pred(mode, this) && indexOf(found, cur.val) == -1)
            { found.push(cur.val); }
        }
        return found
      },

      getStateAfter: function(line, precise) {
        var doc = this.doc;
        line = clipLine(doc, line == null ? doc.first + doc.size - 1: line);
        return getContextBefore(this, line + 1, precise).state
      },

      cursorCoords: function(start, mode) {
        var pos, range = this.doc.sel.primary();
        if (start == null) { pos = range.head; }
        else if (typeof start == "object") { pos = clipPos(this.doc, start); }
        else { pos = start ? range.from() : range.to(); }
        return cursorCoords(this, pos, mode || "page")
      },

      charCoords: function(pos, mode) {
        return charCoords(this, clipPos(this.doc, pos), mode || "page")
      },

      coordsChar: function(coords, mode) {
        coords = fromCoordSystem(this, coords, mode || "page");
        return coordsChar(this, coords.left, coords.top)
      },

      lineAtHeight: function(height, mode) {
        height = fromCoordSystem(this, {top: height, left: 0}, mode || "page").top;
        return lineAtHeight(this.doc, height + this.display.viewOffset)
      },
      heightAtLine: function(line, mode, includeWidgets) {
        var end = false, lineObj;
        if (typeof line == "number") {
          var last = this.doc.first + this.doc.size - 1;
          if (line < this.doc.first) { line = this.doc.first; }
          else if (line > last) { line = last; end = true; }
          lineObj = getLine(this.doc, line);
        } else {
          lineObj = line;
        }
        return intoCoordSystem(this, lineObj, {top: 0, left: 0}, mode || "page", includeWidgets || end).top +
          (end ? this.doc.height - heightAtLine(lineObj) : 0)
      },

      defaultTextHeight: function() { return textHeight(this.display) },
      defaultCharWidth: function() { return charWidth(this.display) },

      getViewport: function() { return {from: this.display.viewFrom, to: this.display.viewTo}},

      addWidget: function(pos, node, scroll, vert, horiz) {
        var display = this.display;
        pos = cursorCoords(this, clipPos(this.doc, pos));
        var top = pos.bottom, left = pos.left;
        node.style.position = "absolute";
        node.setAttribute("cm-ignore-events", "true");
        this.display.input.setUneditable(node);
        display.sizer.appendChild(node);
        if (vert == "over") {
          top = pos.top;
        } else if (vert == "above" || vert == "near") {
          var vspace = Math.max(display.wrapper.clientHeight, this.doc.height),
          hspace = Math.max(display.sizer.clientWidth, display.lineSpace.clientWidth);
          // Default to positioning above (if specified and possible); otherwise default to positioning below
          if ((vert == 'above' || pos.bottom + node.offsetHeight > vspace) && pos.top > node.offsetHeight)
            { top = pos.top - node.offsetHeight; }
          else if (pos.bottom + node.offsetHeight <= vspace)
            { top = pos.bottom; }
          if (left + node.offsetWidth > hspace)
            { left = hspace - node.offsetWidth; }
        }
        node.style.top = top + "px";
        node.style.left = node.style.right = "";
        if (horiz == "right") {
          left = display.sizer.clientWidth - node.offsetWidth;
          node.style.right = "0px";
        } else {
          if (horiz == "left") { left = 0; }
          else if (horiz == "middle") { left = (display.sizer.clientWidth - node.offsetWidth) / 2; }
          node.style.left = left + "px";
        }
        if (scroll)
          { scrollIntoView(this, {left: left, top: top, right: left + node.offsetWidth, bottom: top + node.offsetHeight}); }
      },

      triggerOnKeyDown: methodOp(onKeyDown),
      triggerOnKeyPress: methodOp(onKeyPress),
      triggerOnKeyUp: onKeyUp,
      triggerOnMouseDown: methodOp(onMouseDown),

      execCommand: function(cmd) {
        if (commands.hasOwnProperty(cmd))
          { return commands[cmd].call(null, this) }
      },

      triggerElectric: methodOp(function(text) { triggerElectric(this, text); }),

      findPosH: function(from, amount, unit, visually) {
        var dir = 1;
        if (amount < 0) { dir = -1; amount = -amount; }
        var cur = clipPos(this.doc, from);
        for (var i = 0; i < amount; ++i) {
          cur = findPosH(this.doc, cur, dir, unit, visually);
          if (cur.hitSide) { break }
        }
        return cur
      },

      moveH: methodOp(function(dir, unit) {
        var this$1 = this;

        this.extendSelectionsBy(function (range) {
          if (this$1.display.shift || this$1.doc.extend || range.empty())
            { return findPosH(this$1.doc, range.head, dir, unit, this$1.options.rtlMoveVisually) }
          else
            { return dir < 0 ? range.from() : range.to() }
        }, sel_move);
      }),

      deleteH: methodOp(function(dir, unit) {
        var sel = this.doc.sel, doc = this.doc;
        if (sel.somethingSelected())
          { doc.replaceSelection("", null, "+delete"); }
        else
          { deleteNearSelection(this, function (range) {
            var other = findPosH(doc, range.head, dir, unit, false);
            return dir < 0 ? {from: other, to: range.head} : {from: range.head, to: other}
          }); }
      }),

      findPosV: function(from, amount, unit, goalColumn) {
        var dir = 1, x = goalColumn;
        if (amount < 0) { dir = -1; amount = -amount; }
        var cur = clipPos(this.doc, from);
        for (var i = 0; i < amount; ++i) {
          var coords = cursorCoords(this, cur, "div");
          if (x == null) { x = coords.left; }
          else { coords.left = x; }
          cur = findPosV(this, coords, dir, unit);
          if (cur.hitSide) { break }
        }
        return cur
      },

      moveV: methodOp(function(dir, unit) {
        var this$1 = this;

        var doc = this.doc, goals = [];
        var collapse = !this.display.shift && !doc.extend && doc.sel.somethingSelected();
        doc.extendSelectionsBy(function (range) {
          if (collapse)
            { return dir < 0 ? range.from() : range.to() }
          var headPos = cursorCoords(this$1, range.head, "div");
          if (range.goalColumn != null) { headPos.left = range.goalColumn; }
          goals.push(headPos.left);
          var pos = findPosV(this$1, headPos, dir, unit);
          if (unit == "page" && range == doc.sel.primary())
            { addToScrollTop(this$1, charCoords(this$1, pos, "div").top - headPos.top); }
          return pos
        }, sel_move);
        if (goals.length) { for (var i = 0; i < doc.sel.ranges.length; i++)
          { doc.sel.ranges[i].goalColumn = goals[i]; } }
      }),

      // Find the word at the given position (as returned by coordsChar).
      findWordAt: function(pos) {
        var doc = this.doc, line = getLine(doc, pos.line).text;
        var start = pos.ch, end = pos.ch;
        if (line) {
          var helper = this.getHelper(pos, "wordChars");
          if ((pos.sticky == "before" || end == line.length) && start) { --start; } else { ++end; }
          var startChar = line.charAt(start);
          var check = isWordChar(startChar, helper)
            ? function (ch) { return isWordChar(ch, helper); }
            : /\s/.test(startChar) ? function (ch) { return /\s/.test(ch); }
            : function (ch) { return (!/\s/.test(ch) && !isWordChar(ch)); };
          while (start > 0 && check(line.charAt(start - 1))) { --start; }
          while (end < line.length && check(line.charAt(end))) { ++end; }
        }
        return new Range(Pos(pos.line, start), Pos(pos.line, end))
      },

      toggleOverwrite: function(value) {
        if (value != null && value == this.state.overwrite) { return }
        if (this.state.overwrite = !this.state.overwrite)
          { addClass(this.display.cursorDiv, "CodeMirror-overwrite"); }
        else
          { rmClass(this.display.cursorDiv, "CodeMirror-overwrite"); }

        signal(this, "overwriteToggle", this, this.state.overwrite);
      },
      hasFocus: function() { return this.display.input.getField() == activeElt() },
      isReadOnly: function() { return !!(this.options.readOnly || this.doc.cantEdit) },

      scrollTo: methodOp(function (x, y) { scrollToCoords(this, x, y); }),
      getScrollInfo: function() {
        var scroller = this.display.scroller;
        return {left: scroller.scrollLeft, top: scroller.scrollTop,
                height: scroller.scrollHeight - scrollGap(this) - this.display.barHeight,
                width: scroller.scrollWidth - scrollGap(this) - this.display.barWidth,
                clientHeight: displayHeight(this), clientWidth: displayWidth(this)}
      },

      scrollIntoView: methodOp(function(range, margin) {
        if (range == null) {
          range = {from: this.doc.sel.primary().head, to: null};
          if (margin == null) { margin = this.options.cursorScrollMargin; }
        } else if (typeof range == "number") {
          range = {from: Pos(range, 0), to: null};
        } else if (range.from == null) {
          range = {from: range, to: null};
        }
        if (!range.to) { range.to = range.from; }
        range.margin = margin || 0;

        if (range.from.line != null) {
          scrollToRange(this, range);
        } else {
          scrollToCoordsRange(this, range.from, range.to, range.margin);
        }
      }),

      setSize: methodOp(function(width, height) {
        var this$1 = this;

        var interpret = function (val) { return typeof val == "number" || /^\d+$/.test(String(val)) ? val + "px" : val; };
        if (width != null) { this.display.wrapper.style.width = interpret(width); }
        if (height != null) { this.display.wrapper.style.height = interpret(height); }
        if (this.options.lineWrapping) { clearLineMeasurementCache(this); }
        var lineNo = this.display.viewFrom;
        this.doc.iter(lineNo, this.display.viewTo, function (line) {
          if (line.widgets) { for (var i = 0; i < line.widgets.length; i++)
            { if (line.widgets[i].noHScroll) { regLineChange(this$1, lineNo, "widget"); break } } }
          ++lineNo;
        });
        this.curOp.forceUpdate = true;
        signal(this, "refresh", this);
      }),

      operation: function(f){return runInOp(this, f)},
      startOperation: function(){return startOperation(this)},
      endOperation: function(){return endOperation(this)},

      refresh: methodOp(function() {
        var oldHeight = this.display.cachedTextHeight;
        regChange(this);
        this.curOp.forceUpdate = true;
        clearCaches(this);
        scrollToCoords(this, this.doc.scrollLeft, this.doc.scrollTop);
        updateGutterSpace(this.display);
        if (oldHeight == null || Math.abs(oldHeight - textHeight(this.display)) > .5 || this.options.lineWrapping)
          { estimateLineHeights(this); }
        signal(this, "refresh", this);
      }),

      swapDoc: methodOp(function(doc) {
        var old = this.doc;
        old.cm = null;
        // Cancel the current text selection if any (#5821)
        if (this.state.selectingText) { this.state.selectingText(); }
        attachDoc(this, doc);
        clearCaches(this);
        this.display.input.reset();
        scrollToCoords(this, doc.scrollLeft, doc.scrollTop);
        this.curOp.forceScroll = true;
        signalLater(this, "swapDoc", this, old);
        return old
      }),

      phrase: function(phraseText) {
        var phrases = this.options.phrases;
        return phrases && Object.prototype.hasOwnProperty.call(phrases, phraseText) ? phrases[phraseText] : phraseText
      },

      getInputField: function(){return this.display.input.getField()},
      getWrapperElement: function(){return this.display.wrapper},
      getScrollerElement: function(){return this.display.scroller},
      getGutterElement: function(){return this.display.gutters}
    };
    eventMixin(CodeMirror);

    CodeMirror.registerHelper = function(type, name, value) {
      if (!helpers.hasOwnProperty(type)) { helpers[type] = CodeMirror[type] = {_global: []}; }
      helpers[type][name] = value;
    };
    CodeMirror.registerGlobalHelper = function(type, name, predicate, value) {
      CodeMirror.registerHelper(type, name, value);
      helpers[type]._global.push({pred: predicate, val: value});
    };
  }

  // Used for horizontal relative motion. Dir is -1 or 1 (left or
  // right), unit can be "codepoint", "char", "column" (like char, but
  // doesn't cross line boundaries), "word" (across next word), or
  // "group" (to the start of next group of word or
  // non-word-non-whitespace chars). The visually param controls
  // whether, in right-to-left text, direction 1 means to move towards
  // the next index in the string, or towards the character to the right
  // of the current position. The resulting position will have a
  // hitSide=true property if it reached the end of the document.
  function findPosH(doc, pos, dir, unit, visually) {
    var oldPos = pos;
    var origDir = dir;
    var lineObj = getLine(doc, pos.line);
    var lineDir = visually && doc.direction == "rtl" ? -dir : dir;
    function findNextLine() {
      var l = pos.line + lineDir;
      if (l < doc.first || l >= doc.first + doc.size) { return false }
      pos = new Pos(l, pos.ch, pos.sticky);
      return lineObj = getLine(doc, l)
    }
    function moveOnce(boundToLine) {
      var next;
      if (unit == "codepoint") {
        var ch = lineObj.text.charCodeAt(pos.ch + (unit > 0 ? 0 : -1));
        if (isNaN(ch)) { next = null; }
        else { next = new Pos(pos.line, Math.max(0, Math.min(lineObj.text.length, pos.ch + dir * (ch >= 0xD800 && ch < 0xDC00 ? 2 : 1))),
                            -dir); }
      } else if (visually) {
        next = moveVisually(doc.cm, lineObj, pos, dir);
      } else {
        next = moveLogically(lineObj, pos, dir);
      }
      if (next == null) {
        if (!boundToLine && findNextLine())
          { pos = endOfLine(visually, doc.cm, lineObj, pos.line, lineDir); }
        else
          { return false }
      } else {
        pos = next;
      }
      return true
    }

    if (unit == "char" || unit == "codepoint") {
      moveOnce();
    } else if (unit == "column") {
      moveOnce(true);
    } else if (unit == "word" || unit == "group") {
      var sawType = null, group = unit == "group";
      var helper = doc.cm && doc.cm.getHelper(pos, "wordChars");
      for (var first = true;; first = false) {
        if (dir < 0 && !moveOnce(!first)) { break }
        var cur = lineObj.text.charAt(pos.ch) || "\n";
        var type = isWordChar(cur, helper) ? "w"
          : group && cur == "\n" ? "n"
          : !group || /\s/.test(cur) ? null
          : "p";
        if (group && !first && !type) { type = "s"; }
        if (sawType && sawType != type) {
          if (dir < 0) {dir = 1; moveOnce(); pos.sticky = "after";}
          break
        }

        if (type) { sawType = type; }
        if (dir > 0 && !moveOnce(!first)) { break }
      }
    }
    var result = skipAtomic(doc, pos, oldPos, origDir, true);
    if (equalCursorPos(oldPos, result)) { result.hitSide = true; }
    return result
  }

  // For relative vertical movement. Dir may be -1 or 1. Unit can be
  // "page" or "line". The resulting position will have a hitSide=true
  // property if it reached the end of the document.
  function findPosV(cm, pos, dir, unit) {
    var doc = cm.doc, x = pos.left, y;
    if (unit == "page") {
      var pageSize = Math.min(cm.display.wrapper.clientHeight, window.innerHeight || document.documentElement.clientHeight);
      var moveAmount = Math.max(pageSize - .5 * textHeight(cm.display), 3);
      y = (dir > 0 ? pos.bottom : pos.top) + dir * moveAmount;

    } else if (unit == "line") {
      y = dir > 0 ? pos.bottom + 3 : pos.top - 3;
    }
    var target;
    for (;;) {
      target = coordsChar(cm, x, y);
      if (!target.outside) { break }
      if (dir < 0 ? y <= 0 : y >= doc.height) { target.hitSide = true; break }
      y += dir * 5;
    }
    return target
  }

  // CONTENTEDITABLE INPUT STYLE

  var ContentEditableInput = function(cm) {
    this.cm = cm;
    this.lastAnchorNode = this.lastAnchorOffset = this.lastFocusNode = this.lastFocusOffset = null;
    this.polling = new Delayed();
    this.composing = null;
    this.gracePeriod = false;
    this.readDOMTimeout = null;
  };

  ContentEditableInput.prototype.init = function (display) {
      var this$1 = this;

    var input = this, cm = input.cm;
    var div = input.div = display.lineDiv;
    disableBrowserMagic(div, cm.options.spellcheck, cm.options.autocorrect, cm.options.autocapitalize);

    function belongsToInput(e) {
      for (var t = e.target; t; t = t.parentNode) {
        if (t == div) { return true }
        if (/\bCodeMirror-(?:line)?widget\b/.test(t.className)) { break }
      }
      return false
    }

    on(div, "paste", function (e) {
      if (!belongsToInput(e) || signalDOMEvent(cm, e) || handlePaste(e, cm)) { return }
      // IE doesn't fire input events, so we schedule a read for the pasted content in this way
      if (ie_version <= 11) { setTimeout(operation(cm, function () { return this$1.updateFromDOM(); }), 20); }
    });

    on(div, "compositionstart", function (e) {
      this$1.composing = {data: e.data, done: false};
    });
    on(div, "compositionupdate", function (e) {
      if (!this$1.composing) { this$1.composing = {data: e.data, done: false}; }
    });
    on(div, "compositionend", function (e) {
      if (this$1.composing) {
        if (e.data != this$1.composing.data) { this$1.readFromDOMSoon(); }
        this$1.composing.done = true;
      }
    });

    on(div, "touchstart", function () { return input.forceCompositionEnd(); });

    on(div, "input", function () {
      if (!this$1.composing) { this$1.readFromDOMSoon(); }
    });

    function onCopyCut(e) {
      if (!belongsToInput(e) || signalDOMEvent(cm, e)) { return }
      if (cm.somethingSelected()) {
        setLastCopied({lineWise: false, text: cm.getSelections()});
        if (e.type == "cut") { cm.replaceSelection("", null, "cut"); }
      } else if (!cm.options.lineWiseCopyCut) {
        return
      } else {
        var ranges = copyableRanges(cm);
        setLastCopied({lineWise: true, text: ranges.text});
        if (e.type == "cut") {
          cm.operation(function () {
            cm.setSelections(ranges.ranges, 0, sel_dontScroll);
            cm.replaceSelection("", null, "cut");
          });
        }
      }
      if (e.clipboardData) {
        e.clipboardData.clearData();
        var content = lastCopied.text.join("\n");
        // iOS exposes the clipboard API, but seems to discard content inserted into it
        e.clipboardData.setData("Text", content);
        if (e.clipboardData.getData("Text") == content) {
          e.preventDefault();
          return
        }
      }
      // Old-fashioned briefly-focus-a-textarea hack
      var kludge = hiddenTextarea(), te = kludge.firstChild;
      cm.display.lineSpace.insertBefore(kludge, cm.display.lineSpace.firstChild);
      te.value = lastCopied.text.join("\n");
      var hadFocus = document.activeElement;
      selectInput(te);
      setTimeout(function () {
        cm.display.lineSpace.removeChild(kludge);
        hadFocus.focus();
        if (hadFocus == div) { input.showPrimarySelection(); }
      }, 50);
    }
    on(div, "copy", onCopyCut);
    on(div, "cut", onCopyCut);
  };

  ContentEditableInput.prototype.screenReaderLabelChanged = function (label) {
    // Label for screenreaders, accessibility
    if(label) {
      this.div.setAttribute('aria-label', label);
    } else {
      this.div.removeAttribute('aria-label');
    }
  };

  ContentEditableInput.prototype.prepareSelection = function () {
    var result = prepareSelection(this.cm, false);
    result.focus = document.activeElement == this.div;
    return result
  };

  ContentEditableInput.prototype.showSelection = function (info, takeFocus) {
    if (!info || !this.cm.display.view.length) { return }
    if (info.focus || takeFocus) { this.showPrimarySelection(); }
    this.showMultipleSelections(info);
  };

  ContentEditableInput.prototype.getSelection = function () {
    return this.cm.display.wrapper.ownerDocument.getSelection()
  };

  ContentEditableInput.prototype.showPrimarySelection = function () {
    var sel = this.getSelection(), cm = this.cm, prim = cm.doc.sel.primary();
    var from = prim.from(), to = prim.to();

    if (cm.display.viewTo == cm.display.viewFrom || from.line >= cm.display.viewTo || to.line < cm.display.viewFrom) {
      sel.removeAllRanges();
      return
    }

    var curAnchor = domToPos(cm, sel.anchorNode, sel.anchorOffset);
    var curFocus = domToPos(cm, sel.focusNode, sel.focusOffset);
    if (curAnchor && !curAnchor.bad && curFocus && !curFocus.bad &&
        cmp(minPos(curAnchor, curFocus), from) == 0 &&
        cmp(maxPos(curAnchor, curFocus), to) == 0)
      { return }

    var view = cm.display.view;
    var start = (from.line >= cm.display.viewFrom && posToDOM(cm, from)) ||
        {node: view[0].measure.map[2], offset: 0};
    var end = to.line < cm.display.viewTo && posToDOM(cm, to);
    if (!end) {
      var measure = view[view.length - 1].measure;
      var map = measure.maps ? measure.maps[measure.maps.length - 1] : measure.map;
      end = {node: map[map.length - 1], offset: map[map.length - 2] - map[map.length - 3]};
    }

    if (!start || !end) {
      sel.removeAllRanges();
      return
    }

    var old = sel.rangeCount && sel.getRangeAt(0), rng;
    try { rng = range(start.node, start.offset, end.offset, end.node); }
    catch(e) {} // Our model of the DOM might be outdated, in which case the range we try to set can be impossible
    if (rng) {
      if (!gecko && cm.state.focused) {
        sel.collapse(start.node, start.offset);
        if (!rng.collapsed) {
          sel.removeAllRanges();
          sel.addRange(rng);
        }
      } else {
        sel.removeAllRanges();
        sel.addRange(rng);
      }
      if (old && sel.anchorNode == null) { sel.addRange(old); }
      else if (gecko) { this.startGracePeriod(); }
    }
    this.rememberSelection();
  };

  ContentEditableInput.prototype.startGracePeriod = function () {
      var this$1 = this;

    clearTimeout(this.gracePeriod);
    this.gracePeriod = setTimeout(function () {
      this$1.gracePeriod = false;
      if (this$1.selectionChanged())
        { this$1.cm.operation(function () { return this$1.cm.curOp.selectionChanged = true; }); }
    }, 20);
  };

  ContentEditableInput.prototype.showMultipleSelections = function (info) {
    removeChildrenAndAdd(this.cm.display.cursorDiv, info.cursors);
    removeChildrenAndAdd(this.cm.display.selectionDiv, info.selection);
  };

  ContentEditableInput.prototype.rememberSelection = function () {
    var sel = this.getSelection();
    this.lastAnchorNode = sel.anchorNode; this.lastAnchorOffset = sel.anchorOffset;
    this.lastFocusNode = sel.focusNode; this.lastFocusOffset = sel.focusOffset;
  };

  ContentEditableInput.prototype.selectionInEditor = function () {
    var sel = this.getSelection();
    if (!sel.rangeCount) { return false }
    var node = sel.getRangeAt(0).commonAncestorContainer;
    return contains(this.div, node)
  };

  ContentEditableInput.prototype.focus = function () {
    if (this.cm.options.readOnly != "nocursor") {
      if (!this.selectionInEditor() || document.activeElement != this.div)
        { this.showSelection(this.prepareSelection(), true); }
      this.div.focus();
    }
  };
  ContentEditableInput.prototype.blur = function () { this.div.blur(); };
  ContentEditableInput.prototype.getField = function () { return this.div };

  ContentEditableInput.prototype.supportsTouch = function () { return true };

  ContentEditableInput.prototype.receivedFocus = function () {
    var input = this;
    if (this.selectionInEditor())
      { this.pollSelection(); }
    else
      { runInOp(this.cm, function () { return input.cm.curOp.selectionChanged = true; }); }

    function poll() {
      if (input.cm.state.focused) {
        input.pollSelection();
        input.polling.set(input.cm.options.pollInterval, poll);
      }
    }
    this.polling.set(this.cm.options.pollInterval, poll);
  };

  ContentEditableInput.prototype.selectionChanged = function () {
    var sel = this.getSelection();
    return sel.anchorNode != this.lastAnchorNode || sel.anchorOffset != this.lastAnchorOffset ||
      sel.focusNode != this.lastFocusNode || sel.focusOffset != this.lastFocusOffset
  };

  ContentEditableInput.prototype.pollSelection = function () {
    if (this.readDOMTimeout != null || this.gracePeriod || !this.selectionChanged()) { return }
    var sel = this.getSelection(), cm = this.cm;
    // On Android Chrome (version 56, at least), backspacing into an
    // uneditable block element will put the cursor in that element,
    // and then, because it's not editable, hide the virtual keyboard.
    // Because Android doesn't allow us to actually detect backspace
    // presses in a sane way, this code checks for when that happens
    // and simulates a backspace press in this case.
    if (android && chrome && this.cm.display.gutterSpecs.length && isInGutter(sel.anchorNode)) {
      this.cm.triggerOnKeyDown({type: "keydown", keyCode: 8, preventDefault: Math.abs});
      this.blur();
      this.focus();
      return
    }
    if (this.composing) { return }
    this.rememberSelection();
    var anchor = domToPos(cm, sel.anchorNode, sel.anchorOffset);
    var head = domToPos(cm, sel.focusNode, sel.focusOffset);
    if (anchor && head) { runInOp(cm, function () {
      setSelection(cm.doc, simpleSelection(anchor, head), sel_dontScroll);
      if (anchor.bad || head.bad) { cm.curOp.selectionChanged = true; }
    }); }
  };

  ContentEditableInput.prototype.pollContent = function () {
    if (this.readDOMTimeout != null) {
      clearTimeout(this.readDOMTimeout);
      this.readDOMTimeout = null;
    }

    var cm = this.cm, display = cm.display, sel = cm.doc.sel.primary();
    var from = sel.from(), to = sel.to();
    if (from.ch == 0 && from.line > cm.firstLine())
      { from = Pos(from.line - 1, getLine(cm.doc, from.line - 1).length); }
    if (to.ch == getLine(cm.doc, to.line).text.length && to.line < cm.lastLine())
      { to = Pos(to.line + 1, 0); }
    if (from.line < display.viewFrom || to.line > display.viewTo - 1) { return false }

    var fromIndex, fromLine, fromNode;
    if (from.line == display.viewFrom || (fromIndex = findViewIndex(cm, from.line)) == 0) {
      fromLine = lineNo(display.view[0].line);
      fromNode = display.view[0].node;
    } else {
      fromLine = lineNo(display.view[fromIndex].line);
      fromNode = display.view[fromIndex - 1].node.nextSibling;
    }
    var toIndex = findViewIndex(cm, to.line);
    var toLine, toNode;
    if (toIndex == display.view.length - 1) {
      toLine = display.viewTo - 1;
      toNode = display.lineDiv.lastChild;
    } else {
      toLine = lineNo(display.view[toIndex + 1].line) - 1;
      toNode = display.view[toIndex + 1].node.previousSibling;
    }

    if (!fromNode) { return false }
    var newText = cm.doc.splitLines(domTextBetween(cm, fromNode, toNode, fromLine, toLine));
    var oldText = getBetween(cm.doc, Pos(fromLine, 0), Pos(toLine, getLine(cm.doc, toLine).text.length));
    while (newText.length > 1 && oldText.length > 1) {
      if (lst(newText) == lst(oldText)) { newText.pop(); oldText.pop(); toLine--; }
      else if (newText[0] == oldText[0]) { newText.shift(); oldText.shift(); fromLine++; }
      else { break }
    }

    var cutFront = 0, cutEnd = 0;
    var newTop = newText[0], oldTop = oldText[0], maxCutFront = Math.min(newTop.length, oldTop.length);
    while (cutFront < maxCutFront && newTop.charCodeAt(cutFront) == oldTop.charCodeAt(cutFront))
      { ++cutFront; }
    var newBot = lst(newText), oldBot = lst(oldText);
    var maxCutEnd = Math.min(newBot.length - (newText.length == 1 ? cutFront : 0),
                             oldBot.length - (oldText.length == 1 ? cutFront : 0));
    while (cutEnd < maxCutEnd &&
           newBot.charCodeAt(newBot.length - cutEnd - 1) == oldBot.charCodeAt(oldBot.length - cutEnd - 1))
      { ++cutEnd; }
    // Try to move start of change to start of selection if ambiguous
    if (newText.length == 1 && oldText.length == 1 && fromLine == from.line) {
      while (cutFront && cutFront > from.ch &&
             newBot.charCodeAt(newBot.length - cutEnd - 1) == oldBot.charCodeAt(oldBot.length - cutEnd - 1)) {
        cutFront--;
        cutEnd++;
      }
    }

    newText[newText.length - 1] = newBot.slice(0, newBot.length - cutEnd).replace(/^\u200b+/, "");
    newText[0] = newText[0].slice(cutFront).replace(/\u200b+$/, "");

    var chFrom = Pos(fromLine, cutFront);
    var chTo = Pos(toLine, oldText.length ? lst(oldText).length - cutEnd : 0);
    if (newText.length > 1 || newText[0] || cmp(chFrom, chTo)) {
      replaceRange(cm.doc, newText, chFrom, chTo, "+input");
      return true
    }
  };

  ContentEditableInput.prototype.ensurePolled = function () {
    this.forceCompositionEnd();
  };
  ContentEditableInput.prototype.reset = function () {
    this.forceCompositionEnd();
  };
  ContentEditableInput.prototype.forceCompositionEnd = function () {
    if (!this.composing) { return }
    clearTimeout(this.readDOMTimeout);
    this.composing = null;
    this.updateFromDOM();
    this.div.blur();
    this.div.focus();
  };
  ContentEditableInput.prototype.readFromDOMSoon = function () {
      var this$1 = this;

    if (this.readDOMTimeout != null) { return }
    this.readDOMTimeout = setTimeout(function () {
      this$1.readDOMTimeout = null;
      if (this$1.composing) {
        if (this$1.composing.done) { this$1.composing = null; }
        else { return }
      }
      this$1.updateFromDOM();
    }, 80);
  };

  ContentEditableInput.prototype.updateFromDOM = function () {
      var this$1 = this;

    if (this.cm.isReadOnly() || !this.pollContent())
      { runInOp(this.cm, function () { return regChange(this$1.cm); }); }
  };

  ContentEditableInput.prototype.setUneditable = function (node) {
    node.contentEditable = "false";
  };

  ContentEditableInput.prototype.onKeyPress = function (e) {
    if (e.charCode == 0 || this.composing) { return }
    e.preventDefault();
    if (!this.cm.isReadOnly())
      { operation(this.cm, applyTextInput)(this.cm, String.fromCharCode(e.charCode == null ? e.keyCode : e.charCode), 0); }
  };

  ContentEditableInput.prototype.readOnlyChanged = function (val) {
    this.div.contentEditable = String(val != "nocursor");
  };

  ContentEditableInput.prototype.onContextMenu = function () {};
  ContentEditableInput.prototype.resetPosition = function () {};

  ContentEditableInput.prototype.needsContentAttribute = true;

  function posToDOM(cm, pos) {
    var view = findViewForLine(cm, pos.line);
    if (!view || view.hidden) { return null }
    var line = getLine(cm.doc, pos.line);
    var info = mapFromLineView(view, line, pos.line);

    var order = getOrder(line, cm.doc.direction), side = "left";
    if (order) {
      var partPos = getBidiPartAt(order, pos.ch);
      side = partPos % 2 ? "right" : "left";
    }
    var result = nodeAndOffsetInLineMap(info.map, pos.ch, side);
    result.offset = result.collapse == "right" ? result.end : result.start;
    return result
  }

  function isInGutter(node) {
    for (var scan = node; scan; scan = scan.parentNode)
      { if (/CodeMirror-gutter-wrapper/.test(scan.className)) { return true } }
    return false
  }

  function badPos(pos, bad) { if (bad) { pos.bad = true; } return pos }

  function domTextBetween(cm, from, to, fromLine, toLine) {
    var text = "", closing = false, lineSep = cm.doc.lineSeparator(), extraLinebreak = false;
    function recognizeMarker(id) { return function (marker) { return marker.id == id; } }
    function close() {
      if (closing) {
        text += lineSep;
        if (extraLinebreak) { text += lineSep; }
        closing = extraLinebreak = false;
      }
    }
    function addText(str) {
      if (str) {
        close();
        text += str;
      }
    }
    function walk(node) {
      if (node.nodeType == 1) {
        var cmText = node.getAttribute("cm-text");
        if (cmText) {
          addText(cmText);
          return
        }
        var markerID = node.getAttribute("cm-marker"), range;
        if (markerID) {
          var found = cm.findMarks(Pos(fromLine, 0), Pos(toLine + 1, 0), recognizeMarker(+markerID));
          if (found.length && (range = found[0].find(0)))
            { addText(getBetween(cm.doc, range.from, range.to).join(lineSep)); }
          return
        }
        if (node.getAttribute("contenteditable") == "false") { return }
        var isBlock = /^(pre|div|p|li|table|br)$/i.test(node.nodeName);
        if (!/^br$/i.test(node.nodeName) && node.textContent.length == 0) { return }

        if (isBlock) { close(); }
        for (var i = 0; i < node.childNodes.length; i++)
          { walk(node.childNodes[i]); }

        if (/^(pre|p)$/i.test(node.nodeName)) { extraLinebreak = true; }
        if (isBlock) { closing = true; }
      } else if (node.nodeType == 3) {
        addText(node.nodeValue.replace(/\u200b/g, "").replace(/\u00a0/g, " "));
      }
    }
    for (;;) {
      walk(from);
      if (from == to) { break }
      from = from.nextSibling;
      extraLinebreak = false;
    }
    return text
  }

  function domToPos(cm, node, offset) {
    var lineNode;
    if (node == cm.display.lineDiv) {
      lineNode = cm.display.lineDiv.childNodes[offset];
      if (!lineNode) { return badPos(cm.clipPos(Pos(cm.display.viewTo - 1)), true) }
      node = null; offset = 0;
    } else {
      for (lineNode = node;; lineNode = lineNode.parentNode) {
        if (!lineNode || lineNode == cm.display.lineDiv) { return null }
        if (lineNode.parentNode && lineNode.parentNode == cm.display.lineDiv) { break }
      }
    }
    for (var i = 0; i < cm.display.view.length; i++) {
      var lineView = cm.display.view[i];
      if (lineView.node == lineNode)
        { return locateNodeInLineView(lineView, node, offset) }
    }
  }

  function locateNodeInLineView(lineView, node, offset) {
    var wrapper = lineView.text.firstChild, bad = false;
    if (!node || !contains(wrapper, node)) { return badPos(Pos(lineNo(lineView.line), 0), true) }
    if (node == wrapper) {
      bad = true;
      node = wrapper.childNodes[offset];
      offset = 0;
      if (!node) {
        var line = lineView.rest ? lst(lineView.rest) : lineView.line;
        return badPos(Pos(lineNo(line), line.text.length), bad)
      }
    }

    var textNode = node.nodeType == 3 ? node : null, topNode = node;
    if (!textNode && node.childNodes.length == 1 && node.firstChild.nodeType == 3) {
      textNode = node.firstChild;
      if (offset) { offset = textNode.nodeValue.length; }
    }
    while (topNode.parentNode != wrapper) { topNode = topNode.parentNode; }
    var measure = lineView.measure, maps = measure.maps;

    function find(textNode, topNode, offset) {
      for (var i = -1; i < (maps ? maps.length : 0); i++) {
        var map = i < 0 ? measure.map : maps[i];
        for (var j = 0; j < map.length; j += 3) {
          var curNode = map[j + 2];
          if (curNode == textNode || curNode == topNode) {
            var line = lineNo(i < 0 ? lineView.line : lineView.rest[i]);
            var ch = map[j] + offset;
            if (offset < 0 || curNode != textNode) { ch = map[j + (offset ? 1 : 0)]; }
            return Pos(line, ch)
          }
        }
      }
    }
    var found = find(textNode, topNode, offset);
    if (found) { return badPos(found, bad) }

    // FIXME this is all really shaky. might handle the few cases it needs to handle, but likely to cause problems
    for (var after = topNode.nextSibling, dist = textNode ? textNode.nodeValue.length - offset : 0; after; after = after.nextSibling) {
      found = find(after, after.firstChild, 0);
      if (found)
        { return badPos(Pos(found.line, found.ch - dist), bad) }
      else
        { dist += after.textContent.length; }
    }
    for (var before = topNode.previousSibling, dist$1 = offset; before; before = before.previousSibling) {
      found = find(before, before.firstChild, -1);
      if (found)
        { return badPos(Pos(found.line, found.ch + dist$1), bad) }
      else
        { dist$1 += before.textContent.length; }
    }
  }

  // TEXTAREA INPUT STYLE

  var TextareaInput = function(cm) {
    this.cm = cm;
    // See input.poll and input.reset
    this.prevInput = "";

    // Flag that indicates whether we expect input to appear real soon
    // now (after some event like 'keypress' or 'input') and are
    // polling intensively.
    this.pollingFast = false;
    // Self-resetting timeout for the poller
    this.polling = new Delayed();
    // Used to work around IE issue with selection being forgotten when focus moves away from textarea
    this.hasSelection = false;
    this.composing = null;
  };

  TextareaInput.prototype.init = function (display) {
      var this$1 = this;

    var input = this, cm = this.cm;
    this.createField(display);
    var te = this.textarea;

    display.wrapper.insertBefore(this.wrapper, display.wrapper.firstChild);

    // Needed to hide big blue blinking cursor on Mobile Safari (doesn't seem to work in iOS 8 anymore)
    if (ios) { te.style.width = "0px"; }

    on(te, "input", function () {
      if (ie && ie_version >= 9 && this$1.hasSelection) { this$1.hasSelection = null; }
      input.poll();
    });

    on(te, "paste", function (e) {
      if (signalDOMEvent(cm, e) || handlePaste(e, cm)) { return }

      cm.state.pasteIncoming = +new Date;
      input.fastPoll();
    });

    function prepareCopyCut(e) {
      if (signalDOMEvent(cm, e)) { return }
      if (cm.somethingSelected()) {
        setLastCopied({lineWise: false, text: cm.getSelections()});
      } else if (!cm.options.lineWiseCopyCut) {
        return
      } else {
        var ranges = copyableRanges(cm);
        setLastCopied({lineWise: true, text: ranges.text});
        if (e.type == "cut") {
          cm.setSelections(ranges.ranges, null, sel_dontScroll);
        } else {
          input.prevInput = "";
          te.value = ranges.text.join("\n");
          selectInput(te);
        }
      }
      if (e.type == "cut") { cm.state.cutIncoming = +new Date; }
    }
    on(te, "cut", prepareCopyCut);
    on(te, "copy", prepareCopyCut);

    on(display.scroller, "paste", function (e) {
      if (eventInWidget(display, e) || signalDOMEvent(cm, e)) { return }
      if (!te.dispatchEvent) {
        cm.state.pasteIncoming = +new Date;
        input.focus();
        return
      }

      // Pass the `paste` event to the textarea so it's handled by its event listener.
      var event = new Event("paste");
      event.clipboardData = e.clipboardData;
      te.dispatchEvent(event);
    });

    // Prevent normal selection in the editor (we handle our own)
    on(display.lineSpace, "selectstart", function (e) {
      if (!eventInWidget(display, e)) { e_preventDefault(e); }
    });

    on(te, "compositionstart", function () {
      var start = cm.getCursor("from");
      if (input.composing) { input.composing.range.clear(); }
      input.composing = {
        start: start,
        range: cm.markText(start, cm.getCursor("to"), {className: "CodeMirror-composing"})
      };
    });
    on(te, "compositionend", function () {
      if (input.composing) {
        input.poll();
        input.composing.range.clear();
        input.composing = null;
      }
    });
  };

  TextareaInput.prototype.createField = function (_display) {
    // Wraps and hides input textarea
    this.wrapper = hiddenTextarea();
    // The semihidden textarea that is focused when the editor is
    // focused, and receives input.
    this.textarea = this.wrapper.firstChild;
  };

  TextareaInput.prototype.screenReaderLabelChanged = function (label) {
    // Label for screenreaders, accessibility
    if(label) {
      this.textarea.setAttribute('aria-label', label);
    } else {
      this.textarea.removeAttribute('aria-label');
    }
  };

  TextareaInput.prototype.prepareSelection = function () {
    // Redraw the selection and/or cursor
    var cm = this.cm, display = cm.display, doc = cm.doc;
    var result = prepareSelection(cm);

    // Move the hidden textarea near the cursor to prevent scrolling artifacts
    if (cm.options.moveInputWithCursor) {
      var headPos = cursorCoords(cm, doc.sel.primary().head, "div");
      var wrapOff = display.wrapper.getBoundingClientRect(), lineOff = display.lineDiv.getBoundingClientRect();
      result.teTop = Math.max(0, Math.min(display.wrapper.clientHeight - 10,
                                          headPos.top + lineOff.top - wrapOff.top));
      result.teLeft = Math.max(0, Math.min(display.wrapper.clientWidth - 10,
                                           headPos.left + lineOff.left - wrapOff.left));
    }

    return result
  };

  TextareaInput.prototype.showSelection = function (drawn) {
    var cm = this.cm, display = cm.display;
    removeChildrenAndAdd(display.cursorDiv, drawn.cursors);
    removeChildrenAndAdd(display.selectionDiv, drawn.selection);
    if (drawn.teTop != null) {
      this.wrapper.style.top = drawn.teTop + "px";
      this.wrapper.style.left = drawn.teLeft + "px";
    }
  };

  // Reset the input to correspond to the selection (or to be empty,
  // when not typing and nothing is selected)
  TextareaInput.prototype.reset = function (typing) {
    if (this.contextMenuPending || this.composing) { return }
    var cm = this.cm;
    if (cm.somethingSelected()) {
      this.prevInput = "";
      var content = cm.getSelection();
      this.textarea.value = content;
      if (cm.state.focused) { selectInput(this.textarea); }
      if (ie && ie_version >= 9) { this.hasSelection = content; }
    } else if (!typing) {
      this.prevInput = this.textarea.value = "";
      if (ie && ie_version >= 9) { this.hasSelection = null; }
    }
  };

  TextareaInput.prototype.getField = function () { return this.textarea };

  TextareaInput.prototype.supportsTouch = function () { return false };

  TextareaInput.prototype.focus = function () {
    if (this.cm.options.readOnly != "nocursor" && (!mobile || activeElt() != this.textarea)) {
      try { this.textarea.focus(); }
      catch (e) {} // IE8 will throw if the textarea is display: none or not in DOM
    }
  };

  TextareaInput.prototype.blur = function () { this.textarea.blur(); };

  TextareaInput.prototype.resetPosition = function () {
    this.wrapper.style.top = this.wrapper.style.left = 0;
  };

  TextareaInput.prototype.receivedFocus = function () { this.slowPoll(); };

  // Poll for input changes, using the normal rate of polling. This
  // runs as long as the editor is focused.
  TextareaInput.prototype.slowPoll = function () {
      var this$1 = this;

    if (this.pollingFast) { return }
    this.polling.set(this.cm.options.pollInterval, function () {
      this$1.poll();
      if (this$1.cm.state.focused) { this$1.slowPoll(); }
    });
  };

  // When an event has just come in that is likely to add or change
  // something in the input textarea, we poll faster, to ensure that
  // the change appears on the screen quickly.
  TextareaInput.prototype.fastPoll = function () {
    var missed = false, input = this;
    input.pollingFast = true;
    function p() {
      var changed = input.poll();
      if (!changed && !missed) {missed = true; input.polling.set(60, p);}
      else {input.pollingFast = false; input.slowPoll();}
    }
    input.polling.set(20, p);
  };

  // Read input from the textarea, and update the document to match.
  // When something is selected, it is present in the textarea, and
  // selected (unless it is huge, in which case a placeholder is
  // used). When nothing is selected, the cursor sits after previously
  // seen text (can be empty), which is stored in prevInput (we must
  // not reset the textarea when typing, because that breaks IME).
  TextareaInput.prototype.poll = function () {
      var this$1 = this;

    var cm = this.cm, input = this.textarea, prevInput = this.prevInput;
    // Since this is called a *lot*, try to bail out as cheaply as
    // possible when it is clear that nothing happened. hasSelection
    // will be the case when there is a lot of text in the textarea,
    // in which case reading its value would be expensive.
    if (this.contextMenuPending || !cm.state.focused ||
        (hasSelection(input) && !prevInput && !this.composing) ||
        cm.isReadOnly() || cm.options.disableInput || cm.state.keySeq)
      { return false }

    var text = input.value;
    // If nothing changed, bail.
    if (text == prevInput && !cm.somethingSelected()) { return false }
    // Work around nonsensical selection resetting in IE9/10, and
    // inexplicable appearance of private area unicode characters on
    // some key combos in Mac (#2689).
    if (ie && ie_version >= 9 && this.hasSelection === text ||
        mac && /[\uf700-\uf7ff]/.test(text)) {
      cm.display.input.reset();
      return false
    }

    if (cm.doc.sel == cm.display.selForContextMenu) {
      var first = text.charCodeAt(0);
      if (first == 0x200b && !prevInput) { prevInput = "\u200b"; }
      if (first == 0x21da) { this.reset(); return this.cm.execCommand("undo") }
    }
    // Find the part of the input that is actually new
    var same = 0, l = Math.min(prevInput.length, text.length);
    while (same < l && prevInput.charCodeAt(same) == text.charCodeAt(same)) { ++same; }

    runInOp(cm, function () {
      applyTextInput(cm, text.slice(same), prevInput.length - same,
                     null, this$1.composing ? "*compose" : null);

      // Don't leave long text in the textarea, since it makes further polling slow
      if (text.length > 1000 || text.indexOf("\n") > -1) { input.value = this$1.prevInput = ""; }
      else { this$1.prevInput = text; }

      if (this$1.composing) {
        this$1.composing.range.clear();
        this$1.composing.range = cm.markText(this$1.composing.start, cm.getCursor("to"),
                                           {className: "CodeMirror-composing"});
      }
    });
    return true
  };

  TextareaInput.prototype.ensurePolled = function () {
    if (this.pollingFast && this.poll()) { this.pollingFast = false; }
  };

  TextareaInput.prototype.onKeyPress = function () {
    if (ie && ie_version >= 9) { this.hasSelection = null; }
    this.fastPoll();
  };

  TextareaInput.prototype.onContextMenu = function (e) {
    var input = this, cm = input.cm, display = cm.display, te = input.textarea;
    if (input.contextMenuPending) { input.contextMenuPending(); }
    var pos = posFromMouse(cm, e), scrollPos = display.scroller.scrollTop;
    if (!pos || presto) { return } // Opera is difficult.

    // Reset the current text selection only if the click is done outside of the selection
    // and 'resetSelectionOnContextMenu' option is true.
    var reset = cm.options.resetSelectionOnContextMenu;
    if (reset && cm.doc.sel.contains(pos) == -1)
      { operation(cm, setSelection)(cm.doc, simpleSelection(pos), sel_dontScroll); }

    var oldCSS = te.style.cssText, oldWrapperCSS = input.wrapper.style.cssText;
    var wrapperBox = input.wrapper.offsetParent.getBoundingClientRect();
    input.wrapper.style.cssText = "position: static";
    te.style.cssText = "position: absolute; width: 30px; height: 30px;\n      top: " + (e.clientY - wrapperBox.top - 5) + "px; left: " + (e.clientX - wrapperBox.left - 5) + "px;\n      z-index: 1000; background: " + (ie ? "rgba(255, 255, 255, .05)" : "transparent") + ";\n      outline: none; border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);";
    var oldScrollY;
    if (webkit) { oldScrollY = window.scrollY; } // Work around Chrome issue (#2712)
    display.input.focus();
    if (webkit) { window.scrollTo(null, oldScrollY); }
    display.input.reset();
    // Adds "Select all" to context menu in FF
    if (!cm.somethingSelected()) { te.value = input.prevInput = " "; }
    input.contextMenuPending = rehide;
    display.selForContextMenu = cm.doc.sel;
    clearTimeout(display.detectingSelectAll);

    // Select-all will be greyed out if there's nothing to select, so
    // this adds a zero-width space so that we can later check whether
    // it got selected.
    function prepareSelectAllHack() {
      if (te.selectionStart != null) {
        var selected = cm.somethingSelected();
        var extval = "\u200b" + (selected ? te.value : "");
        te.value = "\u21da"; // Used to catch context-menu undo
        te.value = extval;
        input.prevInput = selected ? "" : "\u200b";
        te.selectionStart = 1; te.selectionEnd = extval.length;
        // Re-set this, in case some other handler touched the
        // selection in the meantime.
        display.selForContextMenu = cm.doc.sel;
      }
    }
    function rehide() {
      if (input.contextMenuPending != rehide) { return }
      input.contextMenuPending = false;
      input.wrapper.style.cssText = oldWrapperCSS;
      te.style.cssText = oldCSS;
      if (ie && ie_version < 9) { display.scrollbars.setScrollTop(display.scroller.scrollTop = scrollPos); }

      // Try to detect the user choosing select-all
      if (te.selectionStart != null) {
        if (!ie || (ie && ie_version < 9)) { prepareSelectAllHack(); }
        var i = 0, poll = function () {
          if (display.selForContextMenu == cm.doc.sel && te.selectionStart == 0 &&
              te.selectionEnd > 0 && input.prevInput == "\u200b") {
            operation(cm, selectAll)(cm);
          } else if (i++ < 10) {
            display.detectingSelectAll = setTimeout(poll, 500);
          } else {
            display.selForContextMenu = null;
            display.input.reset();
          }
        };
        display.detectingSelectAll = setTimeout(poll, 200);
      }
    }

    if (ie && ie_version >= 9) { prepareSelectAllHack(); }
    if (captureRightClick) {
      e_stop(e);
      var mouseup = function () {
        off(window, "mouseup", mouseup);
        setTimeout(rehide, 20);
      };
      on(window, "mouseup", mouseup);
    } else {
      setTimeout(rehide, 50);
    }
  };

  TextareaInput.prototype.readOnlyChanged = function (val) {
    if (!val) { this.reset(); }
    this.textarea.disabled = val == "nocursor";
    this.textarea.readOnly = !!val;
  };

  TextareaInput.prototype.setUneditable = function () {};

  TextareaInput.prototype.needsContentAttribute = false;

  function fromTextArea(textarea, options) {
    options = options ? copyObj(options) : {};
    options.value = textarea.value;
    if (!options.tabindex && textarea.tabIndex)
      { options.tabindex = textarea.tabIndex; }
    if (!options.placeholder && textarea.placeholder)
      { options.placeholder = textarea.placeholder; }
    // Set autofocus to true if this textarea is focused, or if it has
    // autofocus and no other element is focused.
    if (options.autofocus == null) {
      var hasFocus = activeElt();
      options.autofocus = hasFocus == textarea ||
        textarea.getAttribute("autofocus") != null && hasFocus == document.body;
    }

    function save() {textarea.value = cm.getValue();}

    var realSubmit;
    if (textarea.form) {
      on(textarea.form, "submit", save);
      // Deplorable hack to make the submit method do the right thing.
      if (!options.leaveSubmitMethodAlone) {
        var form = textarea.form;
        realSubmit = form.submit;
        try {
          var wrappedSubmit = form.submit = function () {
            save();
            form.submit = realSubmit;
            form.submit();
            form.submit = wrappedSubmit;
          };
        } catch(e) {}
      }
    }

    options.finishInit = function (cm) {
      cm.save = save;
      cm.getTextArea = function () { return textarea; };
      cm.toTextArea = function () {
        cm.toTextArea = isNaN; // Prevent this from being ran twice
        save();
        textarea.parentNode.removeChild(cm.getWrapperElement());
        textarea.style.display = "";
        if (textarea.form) {
          off(textarea.form, "submit", save);
          if (!options.leaveSubmitMethodAlone && typeof textarea.form.submit == "function")
            { textarea.form.submit = realSubmit; }
        }
      };
    };

    textarea.style.display = "none";
    var cm = CodeMirror(function (node) { return textarea.parentNode.insertBefore(node, textarea.nextSibling); },
      options);
    return cm
  }

  function addLegacyProps(CodeMirror) {
    CodeMirror.off = off;
    CodeMirror.on = on;
    CodeMirror.wheelEventPixels = wheelEventPixels;
    CodeMirror.Doc = Doc;
    CodeMirror.splitLines = splitLinesAuto;
    CodeMirror.countColumn = countColumn;
    CodeMirror.findColumn = findColumn;
    CodeMirror.isWordChar = isWordCharBasic;
    CodeMirror.Pass = Pass;
    CodeMirror.signal = signal;
    CodeMirror.Line = Line;
    CodeMirror.changeEnd = changeEnd;
    CodeMirror.scrollbarModel = scrollbarModel;
    CodeMirror.Pos = Pos;
    CodeMirror.cmpPos = cmp;
    CodeMirror.modes = modes;
    CodeMirror.mimeModes = mimeModes;
    CodeMirror.resolveMode = resolveMode;
    CodeMirror.getMode = getMode;
    CodeMirror.modeExtensions = modeExtensions;
    CodeMirror.extendMode = extendMode;
    CodeMirror.copyState = copyState;
    CodeMirror.startState = startState;
    CodeMirror.innerMode = innerMode;
    CodeMirror.commands = commands;
    CodeMirror.keyMap = keyMap;
    CodeMirror.keyName = keyName;
    CodeMirror.isModifierKey = isModifierKey;
    CodeMirror.lookupKey = lookupKey;
    CodeMirror.normalizeKeyMap = normalizeKeyMap;
    CodeMirror.StringStream = StringStream;
    CodeMirror.SharedTextMarker = SharedTextMarker;
    CodeMirror.TextMarker = TextMarker;
    CodeMirror.LineWidget = LineWidget;
    CodeMirror.e_preventDefault = e_preventDefault;
    CodeMirror.e_stopPropagation = e_stopPropagation;
    CodeMirror.e_stop = e_stop;
    CodeMirror.addClass = addClass;
    CodeMirror.contains = contains;
    CodeMirror.rmClass = rmClass;
    CodeMirror.keyNames = keyNames;
  }

  // EDITOR CONSTRUCTOR

  defineOptions(CodeMirror);

  addEditorMethods(CodeMirror);

  // Set up methods on CodeMirror's prototype to redirect to the editor's document.
  var dontDelegate = "iter insert remove copy getEditor constructor".split(" ");
  for (var prop in Doc.prototype) { if (Doc.prototype.hasOwnProperty(prop) && indexOf(dontDelegate, prop) < 0)
    { CodeMirror.prototype[prop] = (function(method) {
      return function() {return method.apply(this.doc, arguments)}
    })(Doc.prototype[prop]); } }

  eventMixin(Doc);
  CodeMirror.inputStyles = {"textarea": TextareaInput, "contenteditable": ContentEditableInput};

  // Extra arguments are stored as the mode's dependencies, which is
  // used by (legacy) mechanisms like loadmode.js to automatically
  // load a mode. (Preferred mechanism is the require/define calls.)
  CodeMirror.defineMode = function(name/*, mode, …*/) {
    if (!CodeMirror.defaults.mode && name != "null") { CodeMirror.defaults.mode = name; }
    defineMode.apply(this, arguments);
  };

  CodeMirror.defineMIME = defineMIME;

  // Minimal default mode.
  CodeMirror.defineMode("null", function () { return ({token: function (stream) { return stream.skipToEnd(); }}); });
  CodeMirror.defineMIME("text/plain", "null");

  // EXTENSIONS

  CodeMirror.defineExtension = function (name, func) {
    CodeMirror.prototype[name] = func;
  };
  CodeMirror.defineDocExtension = function (name, func) {
    Doc.prototype[name] = func;
  };

  CodeMirror.fromTextArea = fromTextArea;

  addLegacyProps(CodeMirror);

  CodeMirror.version = "5.58.2";

  return CodeMirror;

})));

;(function (global, factory) {
    typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
    typeof define === 'function' && define.amd ? define('moment',factory) :
    global.moment = factory()
}(this, (function () { 'use strict';

    var hookCallback;

    function hooks() {
        return hookCallback.apply(null, arguments);
    }

    // This is done to register the method called with moment()
    // without creating circular dependencies.
    function setHookCallback(callback) {
        hookCallback = callback;
    }

    function isArray(input) {
        return (
            input instanceof Array ||
            Object.prototype.toString.call(input) === '[object Array]'
        );
    }

    function isObject(input) {
        // IE8 will treat undefined and null as object if it wasn't for
        // input != null
        return (
            input != null &&
            Object.prototype.toString.call(input) === '[object Object]'
        );
    }

    function hasOwnProp(a, b) {
        return Object.prototype.hasOwnProperty.call(a, b);
    }

    function isObjectEmpty(obj) {
        if (Object.getOwnPropertyNames) {
            return Object.getOwnPropertyNames(obj).length === 0;
        } else {
            var k;
            for (k in obj) {
                if (hasOwnProp(obj, k)) {
                    return false;
                }
            }
            return true;
        }
    }

    function isUndefined(input) {
        return input === void 0;
    }

    function isNumber(input) {
        return (
            typeof input === 'number' ||
            Object.prototype.toString.call(input) === '[object Number]'
        );
    }

    function isDate(input) {
        return (
            input instanceof Date ||
            Object.prototype.toString.call(input) === '[object Date]'
        );
    }

    function map(arr, fn) {
        var res = [],
            i,
            arrLen = arr.length;
        for (i = 0; i < arrLen; ++i) {
            res.push(fn(arr[i], i));
        }
        return res;
    }

    function extend(a, b) {
        for (var i in b) {
            if (hasOwnProp(b, i)) {
                a[i] = b[i];
            }
        }

        if (hasOwnProp(b, 'toString')) {
            a.toString = b.toString;
        }

        if (hasOwnProp(b, 'valueOf')) {
            a.valueOf = b.valueOf;
        }

        return a;
    }

    function createUTC(input, format, locale, strict) {
        return createLocalOrUTC(input, format, locale, strict, true).utc();
    }

    function defaultParsingFlags() {
        // We need to deep clone this object.
        return {
            empty: false,
            unusedTokens: [],
            unusedInput: [],
            overflow: -2,
            charsLeftOver: 0,
            nullInput: false,
            invalidEra: null,
            invalidMonth: null,
            invalidFormat: false,
            userInvalidated: false,
            iso: false,
            parsedDateParts: [],
            era: null,
            meridiem: null,
            rfc2822: false,
            weekdayMismatch: false,
        };
    }

    function getParsingFlags(m) {
        if (m._pf == null) {
            m._pf = defaultParsingFlags();
        }
        return m._pf;
    }

    var some;
    if (Array.prototype.some) {
        some = Array.prototype.some;
    } else {
        some = function (fun) {
            var t = Object(this),
                len = t.length >>> 0,
                i;

            for (i = 0; i < len; i++) {
                if (i in t && fun.call(this, t[i], i, t)) {
                    return true;
                }
            }

            return false;
        };
    }

    function isValid(m) {
        if (m._isValid == null) {
            var flags = getParsingFlags(m),
                parsedParts = some.call(flags.parsedDateParts, function (i) {
                    return i != null;
                }),
                isNowValid =
                    !isNaN(m._d.getTime()) &&
                    flags.overflow < 0 &&
                    !flags.empty &&
                    !flags.invalidEra &&
                    !flags.invalidMonth &&
                    !flags.invalidWeekday &&
                    !flags.weekdayMismatch &&
                    !flags.nullInput &&
                    !flags.invalidFormat &&
                    !flags.userInvalidated &&
                    (!flags.meridiem || (flags.meridiem && parsedParts));

            if (m._strict) {
                isNowValid =
                    isNowValid &&
                    flags.charsLeftOver === 0 &&
                    flags.unusedTokens.length === 0 &&
                    flags.bigHour === undefined;
            }

            if (Object.isFrozen == null || !Object.isFrozen(m)) {
                m._isValid = isNowValid;
            } else {
                return isNowValid;
            }
        }
        return m._isValid;
    }

    function createInvalid(flags) {
        var m = createUTC(NaN);
        if (flags != null) {
            extend(getParsingFlags(m), flags);
        } else {
            getParsingFlags(m).userInvalidated = true;
        }

        return m;
    }

    // Plugins that add properties should also add the key here (null value),
    // so we can properly clone ourselves.
    var momentProperties = (hooks.momentProperties = []),
        updateInProgress = false;

    function copyConfig(to, from) {
        var i,
            prop,
            val,
            momentPropertiesLen = momentProperties.length;

        if (!isUndefined(from._isAMomentObject)) {
            to._isAMomentObject = from._isAMomentObject;
        }
        if (!isUndefined(from._i)) {
            to._i = from._i;
        }
        if (!isUndefined(from._f)) {
            to._f = from._f;
        }
        if (!isUndefined(from._l)) {
            to._l = from._l;
        }
        if (!isUndefined(from._strict)) {
            to._strict = from._strict;
        }
        if (!isUndefined(from._tzm)) {
            to._tzm = from._tzm;
        }
        if (!isUndefined(from._isUTC)) {
            to._isUTC = from._isUTC;
        }
        if (!isUndefined(from._offset)) {
            to._offset = from._offset;
        }
        if (!isUndefined(from._pf)) {
            to._pf = getParsingFlags(from);
        }
        if (!isUndefined(from._locale)) {
            to._locale = from._locale;
        }

        if (momentPropertiesLen > 0) {
            for (i = 0; i < momentPropertiesLen; i++) {
                prop = momentProperties[i];
                val = from[prop];
                if (!isUndefined(val)) {
                    to[prop] = val;
                }
            }
        }

        return to;
    }

    // Moment prototype object
    function Moment(config) {
        copyConfig(this, config);
        this._d = new Date(config._d != null ? config._d.getTime() : NaN);
        if (!this.isValid()) {
            this._d = new Date(NaN);
        }
        // Prevent infinite loop in case updateOffset creates new moment
        // objects.
        if (updateInProgress === false) {
            updateInProgress = true;
            hooks.updateOffset(this);
            updateInProgress = false;
        }
    }

    function isMoment(obj) {
        return (
            obj instanceof Moment || (obj != null && obj._isAMomentObject != null)
        );
    }

    function warn(msg) {
        if (
            hooks.suppressDeprecationWarnings === false &&
            typeof console !== 'undefined' &&
            console.warn
        ) {
            console.warn('Deprecation warning: ' + msg);
        }
    }

    function deprecate(msg, fn) {
        var firstTime = true;

        return extend(function () {
            if (hooks.deprecationHandler != null) {
                hooks.deprecationHandler(null, msg);
            }
            if (firstTime) {
                var args = [],
                    arg,
                    i,
                    key,
                    argLen = arguments.length;
                for (i = 0; i < argLen; i++) {
                    arg = '';
                    if (typeof arguments[i] === 'object') {
                        arg += '\n[' + i + '] ';
                        for (key in arguments[0]) {
                            if (hasOwnProp(arguments[0], key)) {
                                arg += key + ': ' + arguments[0][key] + ', ';
                            }
                        }
                        arg = arg.slice(0, -2); // Remove trailing comma and space
                    } else {
                        arg = arguments[i];
                    }
                    args.push(arg);
                }
                warn(
                    msg +
                        '\nArguments: ' +
                        Array.prototype.slice.call(args).join('') +
                        '\n' +
                        new Error().stack
                );
                firstTime = false;
            }
            return fn.apply(this, arguments);
        }, fn);
    }

    var deprecations = {};

    function deprecateSimple(name, msg) {
        if (hooks.deprecationHandler != null) {
            hooks.deprecationHandler(name, msg);
        }
        if (!deprecations[name]) {
            warn(msg);
            deprecations[name] = true;
        }
    }

    hooks.suppressDeprecationWarnings = false;
    hooks.deprecationHandler = null;

    function isFunction(input) {
        return (
            (typeof Function !== 'undefined' && input instanceof Function) ||
            Object.prototype.toString.call(input) === '[object Function]'
        );
    }

    function set(config) {
        var prop, i;
        for (i in config) {
            if (hasOwnProp(config, i)) {
                prop = config[i];
                if (isFunction(prop)) {
                    this[i] = prop;
                } else {
                    this['_' + i] = prop;
                }
            }
        }
        this._config = config;
        // Lenient ordinal parsing accepts just a number in addition to
        // number + (possibly) stuff coming from _dayOfMonthOrdinalParse.
        // TODO: Remove "ordinalParse" fallback in next major release.
        this._dayOfMonthOrdinalParseLenient = new RegExp(
            (this._dayOfMonthOrdinalParse.source || this._ordinalParse.source) +
                '|' +
                /\d{1,2}/.source
        );
    }

    function mergeConfigs(parentConfig, childConfig) {
        var res = extend({}, parentConfig),
            prop;
        for (prop in childConfig) {
            if (hasOwnProp(childConfig, prop)) {
                if (isObject(parentConfig[prop]) && isObject(childConfig[prop])) {
                    res[prop] = {};
                    extend(res[prop], parentConfig[prop]);
                    extend(res[prop], childConfig[prop]);
                } else if (childConfig[prop] != null) {
                    res[prop] = childConfig[prop];
                } else {
                    delete res[prop];
                }
            }
        }
        for (prop in parentConfig) {
            if (
                hasOwnProp(parentConfig, prop) &&
                !hasOwnProp(childConfig, prop) &&
                isObject(parentConfig[prop])
            ) {
                // make sure changes to properties don't modify parent config
                res[prop] = extend({}, res[prop]);
            }
        }
        return res;
    }

    function Locale(config) {
        if (config != null) {
            this.set(config);
        }
    }

    var keys;

    if (Object.keys) {
        keys = Object.keys;
    } else {
        keys = function (obj) {
            var i,
                res = [];
            for (i in obj) {
                if (hasOwnProp(obj, i)) {
                    res.push(i);
                }
            }
            return res;
        };
    }

    var defaultCalendar = {
        sameDay: '[Today at] LT',
        nextDay: '[Tomorrow at] LT',
        nextWeek: 'dddd [at] LT',
        lastDay: '[Yesterday at] LT',
        lastWeek: '[Last] dddd [at] LT',
        sameElse: 'L',
    };

    function calendar(key, mom, now) {
        var output = this._calendar[key] || this._calendar['sameElse'];
        return isFunction(output) ? output.call(mom, now) : output;
    }

    function zeroFill(number, targetLength, forceSign) {
        var absNumber = '' + Math.abs(number),
            zerosToFill = targetLength - absNumber.length,
            sign = number >= 0;
        return (
            (sign ? (forceSign ? '+' : '') : '-') +
            Math.pow(10, Math.max(0, zerosToFill)).toString().substr(1) +
            absNumber
        );
    }

    var formattingTokens =
            /(\[[^\[]*\])|(\\)?([Hh]mm(ss)?|Mo|MM?M?M?|Do|DDDo|DD?D?D?|ddd?d?|do?|w[o|w]?|W[o|W]?|Qo?|N{1,5}|YYYYYY|YYYYY|YYYY|YY|y{2,4}|yo?|gg(ggg?)?|GG(GGG?)?|e|E|a|A|hh?|HH?|kk?|mm?|ss?|S{1,9}|x|X|zz?|ZZ?|.)/g,
        localFormattingTokens = /(\[[^\[]*\])|(\\)?(LTS|LT|LL?L?L?|l{1,4})/g,
        formatFunctions = {},
        formatTokenFunctions = {};

    // token:    'M'
    // padded:   ['MM', 2]
    // ordinal:  'Mo'
    // callback: function () { this.month() + 1 }
    function addFormatToken(token, padded, ordinal, callback) {
        var func = callback;
        if (typeof callback === 'string') {
            func = function () {
                return this[callback]();
            };
        }
        if (token) {
            formatTokenFunctions[token] = func;
        }
        if (padded) {
            formatTokenFunctions[padded[0]] = function () {
                return zeroFill(func.apply(this, arguments), padded[1], padded[2]);
            };
        }
        if (ordinal) {
            formatTokenFunctions[ordinal] = function () {
                return this.localeData().ordinal(
                    func.apply(this, arguments),
                    token
                );
            };
        }
    }

    function removeFormattingTokens(input) {
        if (input.match(/\[[\s\S]/)) {
            return input.replace(/^\[|\]$/g, '');
        }
        return input.replace(/\\/g, '');
    }

    function makeFormatFunction(format) {
        var array = format.match(formattingTokens),
            i,
            length;

        for (i = 0, length = array.length; i < length; i++) {
            if (formatTokenFunctions[array[i]]) {
                array[i] = formatTokenFunctions[array[i]];
            } else {
                array[i] = removeFormattingTokens(array[i]);
            }
        }

        return function (mom) {
            var output = '',
                i;
            for (i = 0; i < length; i++) {
                output += isFunction(array[i])
                    ? array[i].call(mom, format)
                    : array[i];
            }
            return output;
        };
    }

    // format date using native date object
    function formatMoment(m, format) {
        if (!m.isValid()) {
            return m.localeData().invalidDate();
        }

        format = expandFormat(format, m.localeData());
        formatFunctions[format] =
            formatFunctions[format] || makeFormatFunction(format);

        return formatFunctions[format](m);
    }

    function expandFormat(format, locale) {
        var i = 5;

        function replaceLongDateFormatTokens(input) {
            return locale.longDateFormat(input) || input;
        }

        localFormattingTokens.lastIndex = 0;
        while (i >= 0 && localFormattingTokens.test(format)) {
            format = format.replace(
                localFormattingTokens,
                replaceLongDateFormatTokens
            );
            localFormattingTokens.lastIndex = 0;
            i -= 1;
        }

        return format;
    }

    var defaultLongDateFormat = {
        LTS: 'h:mm:ss A',
        LT: 'h:mm A',
        L: 'MM/DD/YYYY',
        LL: 'MMMM D, YYYY',
        LLL: 'MMMM D, YYYY h:mm A',
        LLLL: 'dddd, MMMM D, YYYY h:mm A',
    };

    function longDateFormat(key) {
        var format = this._longDateFormat[key],
            formatUpper = this._longDateFormat[key.toUpperCase()];

        if (format || !formatUpper) {
            return format;
        }

        this._longDateFormat[key] = formatUpper
            .match(formattingTokens)
            .map(function (tok) {
                if (
                    tok === 'MMMM' ||
                    tok === 'MM' ||
                    tok === 'DD' ||
                    tok === 'dddd'
                ) {
                    return tok.slice(1);
                }
                return tok;
            })
            .join('');

        return this._longDateFormat[key];
    }

    var defaultInvalidDate = 'Invalid date';

    function invalidDate() {
        return this._invalidDate;
    }

    var defaultOrdinal = '%d',
        defaultDayOfMonthOrdinalParse = /\d{1,2}/;

    function ordinal(number) {
        return this._ordinal.replace('%d', number);
    }

    var defaultRelativeTime = {
        future: 'in %s',
        past: '%s ago',
        s: 'a few seconds',
        ss: '%d seconds',
        m: 'a minute',
        mm: '%d minutes',
        h: 'an hour',
        hh: '%d hours',
        d: 'a day',
        dd: '%d days',
        w: 'a week',
        ww: '%d weeks',
        M: 'a month',
        MM: '%d months',
        y: 'a year',
        yy: '%d years',
    };

    function relativeTime(number, withoutSuffix, string, isFuture) {
        var output = this._relativeTime[string];
        return isFunction(output)
            ? output(number, withoutSuffix, string, isFuture)
            : output.replace(/%d/i, number);
    }

    function pastFuture(diff, output) {
        var format = this._relativeTime[diff > 0 ? 'future' : 'past'];
        return isFunction(format) ? format(output) : format.replace(/%s/i, output);
    }

    var aliases = {};

    function addUnitAlias(unit, shorthand) {
        var lowerCase = unit.toLowerCase();
        aliases[lowerCase] = aliases[lowerCase + 's'] = aliases[shorthand] = unit;
    }

    function normalizeUnits(units) {
        return typeof units === 'string'
            ? aliases[units] || aliases[units.toLowerCase()]
            : undefined;
    }

    function normalizeObjectUnits(inputObject) {
        var normalizedInput = {},
            normalizedProp,
            prop;

        for (prop in inputObject) {
            if (hasOwnProp(inputObject, prop)) {
                normalizedProp = normalizeUnits(prop);
                if (normalizedProp) {
                    normalizedInput[normalizedProp] = inputObject[prop];
                }
            }
        }

        return normalizedInput;
    }

    var priorities = {};

    function addUnitPriority(unit, priority) {
        priorities[unit] = priority;
    }

    function getPrioritizedUnits(unitsObj) {
        var units = [],
            u;
        for (u in unitsObj) {
            if (hasOwnProp(unitsObj, u)) {
                units.push({ unit: u, priority: priorities[u] });
            }
        }
        units.sort(function (a, b) {
            return a.priority - b.priority;
        });
        return units;
    }

    function isLeapYear(year) {
        return (year % 4 === 0 && year % 100 !== 0) || year % 400 === 0;
    }

    function absFloor(number) {
        if (number < 0) {
            // -0 -> 0
            return Math.ceil(number) || 0;
        } else {
            return Math.floor(number);
        }
    }

    function toInt(argumentForCoercion) {
        var coercedNumber = +argumentForCoercion,
            value = 0;

        if (coercedNumber !== 0 && isFinite(coercedNumber)) {
            value = absFloor(coercedNumber);
        }

        return value;
    }

    function makeGetSet(unit, keepTime) {
        return function (value) {
            if (value != null) {
                set$1(this, unit, value);
                hooks.updateOffset(this, keepTime);
                return this;
            } else {
                return get(this, unit);
            }
        };
    }

    function get(mom, unit) {
        return mom.isValid()
            ? mom._d['get' + (mom._isUTC ? 'UTC' : '') + unit]()
            : NaN;
    }

    function set$1(mom, unit, value) {
        if (mom.isValid() && !isNaN(value)) {
            if (
                unit === 'FullYear' &&
                isLeapYear(mom.year()) &&
                mom.month() === 1 &&
                mom.date() === 29
            ) {
                value = toInt(value);
                mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](
                    value,
                    mom.month(),
                    daysInMonth(value, mom.month())
                );
            } else {
                mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](value);
            }
        }
    }

    // MOMENTS

    function stringGet(units) {
        units = normalizeUnits(units);
        if (isFunction(this[units])) {
            return this[units]();
        }
        return this;
    }

    function stringSet(units, value) {
        if (typeof units === 'object') {
            units = normalizeObjectUnits(units);
            var prioritized = getPrioritizedUnits(units),
                i,
                prioritizedLen = prioritized.length;
            for (i = 0; i < prioritizedLen; i++) {
                this[prioritized[i].unit](units[prioritized[i].unit]);
            }
        } else {
            units = normalizeUnits(units);
            if (isFunction(this[units])) {
                return this[units](value);
            }
        }
        return this;
    }

    var match1 = /\d/, //       0 - 9
        match2 = /\d\d/, //      00 - 99
        match3 = /\d{3}/, //     000 - 999
        match4 = /\d{4}/, //    0000 - 9999
        match6 = /[+-]?\d{6}/, // -999999 - 999999
        match1to2 = /\d\d?/, //       0 - 99
        match3to4 = /\d\d\d\d?/, //     999 - 9999
        match5to6 = /\d\d\d\d\d\d?/, //   99999 - 999999
        match1to3 = /\d{1,3}/, //       0 - 999
        match1to4 = /\d{1,4}/, //       0 - 9999
        match1to6 = /[+-]?\d{1,6}/, // -999999 - 999999
        matchUnsigned = /\d+/, //       0 - inf
        matchSigned = /[+-]?\d+/, //    -inf - inf
        matchOffset = /Z|[+-]\d\d:?\d\d/gi, // +00:00 -00:00 +0000 -0000 or Z
        matchShortOffset = /Z|[+-]\d\d(?::?\d\d)?/gi, // +00 -00 +00:00 -00:00 +0000 -0000 or Z
        matchTimestamp = /[+-]?\d+(\.\d{1,3})?/, // 123456789 123456789.123
        // any word (or two) characters or numbers including two/three word month in arabic.
        // includes scottish gaelic two word and hyphenated months
        matchWord =
            /[0-9]{0,256}['a-z\u00A0-\u05FF\u0700-\uD7FF\uF900-\uFDCF\uFDF0-\uFF07\uFF10-\uFFEF]{1,256}|[\u0600-\u06FF\/]{1,256}(\s*?[\u0600-\u06FF]{1,256}){1,2}/i,
        regexes;

    regexes = {};

    function addRegexToken(token, regex, strictRegex) {
        regexes[token] = isFunction(regex)
            ? regex
            : function (isStrict, localeData) {
                  return isStrict && strictRegex ? strictRegex : regex;
              };
    }

    function getParseRegexForToken(token, config) {
        if (!hasOwnProp(regexes, token)) {
            return new RegExp(unescapeFormat(token));
        }

        return regexes[token](config._strict, config._locale);
    }

    // Code from http://stackoverflow.com/questions/3561493/is-there-a-regexp-escape-function-in-javascript
    function unescapeFormat(s) {
        return regexEscape(
            s
                .replace('\\', '')
                .replace(
                    /\\(\[)|\\(\])|\[([^\]\[]*)\]|\\(.)/g,
                    function (matched, p1, p2, p3, p4) {
                        return p1 || p2 || p3 || p4;
                    }
                )
        );
    }

    function regexEscape(s) {
        return s.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&');
    }

    var tokens = {};

    function addParseToken(token, callback) {
        var i,
            func = callback,
            tokenLen;
        if (typeof token === 'string') {
            token = [token];
        }
        if (isNumber(callback)) {
            func = function (input, array) {
                array[callback] = toInt(input);
            };
        }
        tokenLen = token.length;
        for (i = 0; i < tokenLen; i++) {
            tokens[token[i]] = func;
        }
    }

    function addWeekParseToken(token, callback) {
        addParseToken(token, function (input, array, config, token) {
            config._w = config._w || {};
            callback(input, config._w, config, token);
        });
    }

    function addTimeToArrayFromToken(token, input, config) {
        if (input != null && hasOwnProp(tokens, token)) {
            tokens[token](input, config._a, config, token);
        }
    }

    var YEAR = 0,
        MONTH = 1,
        DATE = 2,
        HOUR = 3,
        MINUTE = 4,
        SECOND = 5,
        MILLISECOND = 6,
        WEEK = 7,
        WEEKDAY = 8;

    function mod(n, x) {
        return ((n % x) + x) % x;
    }

    var indexOf;

    if (Array.prototype.indexOf) {
        indexOf = Array.prototype.indexOf;
    } else {
        indexOf = function (o) {
            // I know
            var i;
            for (i = 0; i < this.length; ++i) {
                if (this[i] === o) {
                    return i;
                }
            }
            return -1;
        };
    }

    function daysInMonth(year, month) {
        if (isNaN(year) || isNaN(month)) {
            return NaN;
        }
        var modMonth = mod(month, 12);
        year += (month - modMonth) / 12;
        return modMonth === 1
            ? isLeapYear(year)
                ? 29
                : 28
            : 31 - ((modMonth % 7) % 2);
    }

    // FORMATTING

    addFormatToken('M', ['MM', 2], 'Mo', function () {
        return this.month() + 1;
    });

    addFormatToken('MMM', 0, 0, function (format) {
        return this.localeData().monthsShort(this, format);
    });

    addFormatToken('MMMM', 0, 0, function (format) {
        return this.localeData().months(this, format);
    });

    // ALIASES

    addUnitAlias('month', 'M');

    // PRIORITY

    addUnitPriority('month', 8);

    // PARSING

    addRegexToken('M', match1to2);
    addRegexToken('MM', match1to2, match2);
    addRegexToken('MMM', function (isStrict, locale) {
        return locale.monthsShortRegex(isStrict);
    });
    addRegexToken('MMMM', function (isStrict, locale) {
        return locale.monthsRegex(isStrict);
    });

    addParseToken(['M', 'MM'], function (input, array) {
        array[MONTH] = toInt(input) - 1;
    });

    addParseToken(['MMM', 'MMMM'], function (input, array, config, token) {
        var month = config._locale.monthsParse(input, token, config._strict);
        // if we didn't find a month name, mark the date as invalid.
        if (month != null) {
            array[MONTH] = month;
        } else {
            getParsingFlags(config).invalidMonth = input;
        }
    });

    // LOCALES

    var defaultLocaleMonths =
            'January_February_March_April_May_June_July_August_September_October_November_December'.split(
                '_'
            ),
        defaultLocaleMonthsShort =
            'Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec'.split('_'),
        MONTHS_IN_FORMAT = /D[oD]?(\[[^\[\]]*\]|\s)+MMMM?/,
        defaultMonthsShortRegex = matchWord,
        defaultMonthsRegex = matchWord;

    function localeMonths(m, format) {
        if (!m) {
            return isArray(this._months)
                ? this._months
                : this._months['standalone'];
        }
        return isArray(this._months)
            ? this._months[m.month()]
            : this._months[
                  (this._months.isFormat || MONTHS_IN_FORMAT).test(format)
                      ? 'format'
                      : 'standalone'
              ][m.month()];
    }

    function localeMonthsShort(m, format) {
        if (!m) {
            return isArray(this._monthsShort)
                ? this._monthsShort
                : this._monthsShort['standalone'];
        }
        return isArray(this._monthsShort)
            ? this._monthsShort[m.month()]
            : this._monthsShort[
                  MONTHS_IN_FORMAT.test(format) ? 'format' : 'standalone'
              ][m.month()];
    }

    function handleStrictParse(monthName, format, strict) {
        var i,
            ii,
            mom,
            llc = monthName.toLocaleLowerCase();
        if (!this._monthsParse) {
            // this is not used
            this._monthsParse = [];
            this._longMonthsParse = [];
            this._shortMonthsParse = [];
            for (i = 0; i < 12; ++i) {
                mom = createUTC([2000, i]);
                this._shortMonthsParse[i] = this.monthsShort(
                    mom,
                    ''
                ).toLocaleLowerCase();
                this._longMonthsParse[i] = this.months(mom, '').toLocaleLowerCase();
            }
        }

        if (strict) {
            if (format === 'MMM') {
                ii = indexOf.call(this._shortMonthsParse, llc);
                return ii !== -1 ? ii : null;
            } else {
                ii = indexOf.call(this._longMonthsParse, llc);
                return ii !== -1 ? ii : null;
            }
        } else {
            if (format === 'MMM') {
                ii = indexOf.call(this._shortMonthsParse, llc);
                if (ii !== -1) {
                    return ii;
                }
                ii = indexOf.call(this._longMonthsParse, llc);
                return ii !== -1 ? ii : null;
            } else {
                ii = indexOf.call(this._longMonthsParse, llc);
                if (ii !== -1) {
                    return ii;
                }
                ii = indexOf.call(this._shortMonthsParse, llc);
                return ii !== -1 ? ii : null;
            }
        }
    }

    function localeMonthsParse(monthName, format, strict) {
        var i, mom, regex;

        if (this._monthsParseExact) {
            return handleStrictParse.call(this, monthName, format, strict);
        }

        if (!this._monthsParse) {
            this._monthsParse = [];
            this._longMonthsParse = [];
            this._shortMonthsParse = [];
        }

        // TODO: add sorting
        // Sorting makes sure if one month (or abbr) is a prefix of another
        // see sorting in computeMonthsParse
        for (i = 0; i < 12; i++) {
            // make the regex if we don't have it already
            mom = createUTC([2000, i]);
            if (strict && !this._longMonthsParse[i]) {
                this._longMonthsParse[i] = new RegExp(
                    '^' + this.months(mom, '').replace('.', '') + '$',
                    'i'
                );
                this._shortMonthsParse[i] = new RegExp(
                    '^' + this.monthsShort(mom, '').replace('.', '') + '$',
                    'i'
                );
            }
            if (!strict && !this._monthsParse[i]) {
                regex =
                    '^' + this.months(mom, '') + '|^' + this.monthsShort(mom, '');
                this._monthsParse[i] = new RegExp(regex.replace('.', ''), 'i');
            }
            // test the regex
            if (
                strict &&
                format === 'MMMM' &&
                this._longMonthsParse[i].test(monthName)
            ) {
                return i;
            } else if (
                strict &&
                format === 'MMM' &&
                this._shortMonthsParse[i].test(monthName)
            ) {
                return i;
            } else if (!strict && this._monthsParse[i].test(monthName)) {
                return i;
            }
        }
    }

    // MOMENTS

    function setMonth(mom, value) {
        var dayOfMonth;

        if (!mom.isValid()) {
            // No op
            return mom;
        }

        if (typeof value === 'string') {
            if (/^\d+$/.test(value)) {
                value = toInt(value);
            } else {
                value = mom.localeData().monthsParse(value);
                // TODO: Another silent failure?
                if (!isNumber(value)) {
                    return mom;
                }
            }
        }

        dayOfMonth = Math.min(mom.date(), daysInMonth(mom.year(), value));
        mom._d['set' + (mom._isUTC ? 'UTC' : '') + 'Month'](value, dayOfMonth);
        return mom;
    }

    function getSetMonth(value) {
        if (value != null) {
            setMonth(this, value);
            hooks.updateOffset(this, true);
            return this;
        } else {
            return get(this, 'Month');
        }
    }

    function getDaysInMonth() {
        return daysInMonth(this.year(), this.month());
    }

    function monthsShortRegex(isStrict) {
        if (this._monthsParseExact) {
            if (!hasOwnProp(this, '_monthsRegex')) {
                computeMonthsParse.call(this);
            }
            if (isStrict) {
                return this._monthsShortStrictRegex;
            } else {
                return this._monthsShortRegex;
            }
        } else {
            if (!hasOwnProp(this, '_monthsShortRegex')) {
                this._monthsShortRegex = defaultMonthsShortRegex;
            }
            return this._monthsShortStrictRegex && isStrict
                ? this._monthsShortStrictRegex
                : this._monthsShortRegex;
        }
    }

    function monthsRegex(isStrict) {
        if (this._monthsParseExact) {
            if (!hasOwnProp(this, '_monthsRegex')) {
                computeMonthsParse.call(this);
            }
            if (isStrict) {
                return this._monthsStrictRegex;
            } else {
                return this._monthsRegex;
            }
        } else {
            if (!hasOwnProp(this, '_monthsRegex')) {
                this._monthsRegex = defaultMonthsRegex;
            }
            return this._monthsStrictRegex && isStrict
                ? this._monthsStrictRegex
                : this._monthsRegex;
        }
    }

    function computeMonthsParse() {
        function cmpLenRev(a, b) {
            return b.length - a.length;
        }

        var shortPieces = [],
            longPieces = [],
            mixedPieces = [],
            i,
            mom;
        for (i = 0; i < 12; i++) {
            // make the regex if we don't have it already
            mom = createUTC([2000, i]);
            shortPieces.push(this.monthsShort(mom, ''));
            longPieces.push(this.months(mom, ''));
            mixedPieces.push(this.months(mom, ''));
            mixedPieces.push(this.monthsShort(mom, ''));
        }
        // Sorting makes sure if one month (or abbr) is a prefix of another it
        // will match the longer piece.
        shortPieces.sort(cmpLenRev);
        longPieces.sort(cmpLenRev);
        mixedPieces.sort(cmpLenRev);
        for (i = 0; i < 12; i++) {
            shortPieces[i] = regexEscape(shortPieces[i]);
            longPieces[i] = regexEscape(longPieces[i]);
        }
        for (i = 0; i < 24; i++) {
            mixedPieces[i] = regexEscape(mixedPieces[i]);
        }

        this._monthsRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i');
        this._monthsShortRegex = this._monthsRegex;
        this._monthsStrictRegex = new RegExp(
            '^(' + longPieces.join('|') + ')',
            'i'
        );
        this._monthsShortStrictRegex = new RegExp(
            '^(' + shortPieces.join('|') + ')',
            'i'
        );
    }

    // FORMATTING

    addFormatToken('Y', 0, 0, function () {
        var y = this.year();
        return y <= 9999 ? zeroFill(y, 4) : '+' + y;
    });

    addFormatToken(0, ['YY', 2], 0, function () {
        return this.year() % 100;
    });

    addFormatToken(0, ['YYYY', 4], 0, 'year');
    addFormatToken(0, ['YYYYY', 5], 0, 'year');
    addFormatToken(0, ['YYYYYY', 6, true], 0, 'year');

    // ALIASES

    addUnitAlias('year', 'y');

    // PRIORITIES

    addUnitPriority('year', 1);

    // PARSING

    addRegexToken('Y', matchSigned);
    addRegexToken('YY', match1to2, match2);
    addRegexToken('YYYY', match1to4, match4);
    addRegexToken('YYYYY', match1to6, match6);
    addRegexToken('YYYYYY', match1to6, match6);

    addParseToken(['YYYYY', 'YYYYYY'], YEAR);
    addParseToken('YYYY', function (input, array) {
        array[YEAR] =
            input.length === 2 ? hooks.parseTwoDigitYear(input) : toInt(input);
    });
    addParseToken('YY', function (input, array) {
        array[YEAR] = hooks.parseTwoDigitYear(input);
    });
    addParseToken('Y', function (input, array) {
        array[YEAR] = parseInt(input, 10);
    });

    // HELPERS

    function daysInYear(year) {
        return isLeapYear(year) ? 366 : 365;
    }

    // HOOKS

    hooks.parseTwoDigitYear = function (input) {
        return toInt(input) + (toInt(input) > 68 ? 1900 : 2000);
    };

    // MOMENTS

    var getSetYear = makeGetSet('FullYear', true);

    function getIsLeapYear() {
        return isLeapYear(this.year());
    }

    function createDate(y, m, d, h, M, s, ms) {
        // can't just apply() to create a date:
        // https://stackoverflow.com/q/181348
        var date;
        // the date constructor remaps years 0-99 to 1900-1999
        if (y < 100 && y >= 0) {
            // preserve leap years using a full 400 year cycle, then reset
            date = new Date(y + 400, m, d, h, M, s, ms);
            if (isFinite(date.getFullYear())) {
                date.setFullYear(y);
            }
        } else {
            date = new Date(y, m, d, h, M, s, ms);
        }

        return date;
    }

    function createUTCDate(y) {
        var date, args;
        // the Date.UTC function remaps years 0-99 to 1900-1999
        if (y < 100 && y >= 0) {
            args = Array.prototype.slice.call(arguments);
            // preserve leap years using a full 400 year cycle, then reset
            args[0] = y + 400;
            date = new Date(Date.UTC.apply(null, args));
            if (isFinite(date.getUTCFullYear())) {
                date.setUTCFullYear(y);
            }
        } else {
            date = new Date(Date.UTC.apply(null, arguments));
        }

        return date;
    }

    // start-of-first-week - start-of-year
    function firstWeekOffset(year, dow, doy) {
        var // first-week day -- which january is always in the first week (4 for iso, 1 for other)
            fwd = 7 + dow - doy,
            // first-week day local weekday -- which local weekday is fwd
            fwdlw = (7 + createUTCDate(year, 0, fwd).getUTCDay() - dow) % 7;

        return -fwdlw + fwd - 1;
    }

    // https://en.wikipedia.org/wiki/ISO_week_date#Calculating_a_date_given_the_year.2C_week_number_and_weekday
    function dayOfYearFromWeeks(year, week, weekday, dow, doy) {
        var localWeekday = (7 + weekday - dow) % 7,
            weekOffset = firstWeekOffset(year, dow, doy),
            dayOfYear = 1 + 7 * (week - 1) + localWeekday + weekOffset,
            resYear,
            resDayOfYear;

        if (dayOfYear <= 0) {
            resYear = year - 1;
            resDayOfYear = daysInYear(resYear) + dayOfYear;
        } else if (dayOfYear > daysInYear(year)) {
            resYear = year + 1;
            resDayOfYear = dayOfYear - daysInYear(year);
        } else {
            resYear = year;
            resDayOfYear = dayOfYear;
        }

        return {
            year: resYear,
            dayOfYear: resDayOfYear,
        };
    }

    function weekOfYear(mom, dow, doy) {
        var weekOffset = firstWeekOffset(mom.year(), dow, doy),
            week = Math.floor((mom.dayOfYear() - weekOffset - 1) / 7) + 1,
            resWeek,
            resYear;

        if (week < 1) {
            resYear = mom.year() - 1;
            resWeek = week + weeksInYear(resYear, dow, doy);
        } else if (week > weeksInYear(mom.year(), dow, doy)) {
            resWeek = week - weeksInYear(mom.year(), dow, doy);
            resYear = mom.year() + 1;
        } else {
            resYear = mom.year();
            resWeek = week;
        }

        return {
            week: resWeek,
            year: resYear,
        };
    }

    function weeksInYear(year, dow, doy) {
        var weekOffset = firstWeekOffset(year, dow, doy),
            weekOffsetNext = firstWeekOffset(year + 1, dow, doy);
        return (daysInYear(year) - weekOffset + weekOffsetNext) / 7;
    }

    // FORMATTING

    addFormatToken('w', ['ww', 2], 'wo', 'week');
    addFormatToken('W', ['WW', 2], 'Wo', 'isoWeek');

    // ALIASES

    addUnitAlias('week', 'w');
    addUnitAlias('isoWeek', 'W');

    // PRIORITIES

    addUnitPriority('week', 5);
    addUnitPriority('isoWeek', 5);

    // PARSING

    addRegexToken('w', match1to2);
    addRegexToken('ww', match1to2, match2);
    addRegexToken('W', match1to2);
    addRegexToken('WW', match1to2, match2);

    addWeekParseToken(
        ['w', 'ww', 'W', 'WW'],
        function (input, week, config, token) {
            week[token.substr(0, 1)] = toInt(input);
        }
    );

    // HELPERS

    // LOCALES

    function localeWeek(mom) {
        return weekOfYear(mom, this._week.dow, this._week.doy).week;
    }

    var defaultLocaleWeek = {
        dow: 0, // Sunday is the first day of the week.
        doy: 6, // The week that contains Jan 6th is the first week of the year.
    };

    function localeFirstDayOfWeek() {
        return this._week.dow;
    }

    function localeFirstDayOfYear() {
        return this._week.doy;
    }

    // MOMENTS

    function getSetWeek(input) {
        var week = this.localeData().week(this);
        return input == null ? week : this.add((input - week) * 7, 'd');
    }

    function getSetISOWeek(input) {
        var week = weekOfYear(this, 1, 4).week;
        return input == null ? week : this.add((input - week) * 7, 'd');
    }

    // FORMATTING

    addFormatToken('d', 0, 'do', 'day');

    addFormatToken('dd', 0, 0, function (format) {
        return this.localeData().weekdaysMin(this, format);
    });

    addFormatToken('ddd', 0, 0, function (format) {
        return this.localeData().weekdaysShort(this, format);
    });

    addFormatToken('dddd', 0, 0, function (format) {
        return this.localeData().weekdays(this, format);
    });

    addFormatToken('e', 0, 0, 'weekday');
    addFormatToken('E', 0, 0, 'isoWeekday');

    // ALIASES

    addUnitAlias('day', 'd');
    addUnitAlias('weekday', 'e');
    addUnitAlias('isoWeekday', 'E');

    // PRIORITY
    addUnitPriority('day', 11);
    addUnitPriority('weekday', 11);
    addUnitPriority('isoWeekday', 11);

    // PARSING

    addRegexToken('d', match1to2);
    addRegexToken('e', match1to2);
    addRegexToken('E', match1to2);
    addRegexToken('dd', function (isStrict, locale) {
        return locale.weekdaysMinRegex(isStrict);
    });
    addRegexToken('ddd', function (isStrict, locale) {
        return locale.weekdaysShortRegex(isStrict);
    });
    addRegexToken('dddd', function (isStrict, locale) {
        return locale.weekdaysRegex(isStrict);
    });

    addWeekParseToken(['dd', 'ddd', 'dddd'], function (input, week, config, token) {
        var weekday = config._locale.weekdaysParse(input, token, config._strict);
        // if we didn't get a weekday name, mark the date as invalid
        if (weekday != null) {
            week.d = weekday;
        } else {
            getParsingFlags(config).invalidWeekday = input;
        }
    });

    addWeekParseToken(['d', 'e', 'E'], function (input, week, config, token) {
        week[token] = toInt(input);
    });

    // HELPERS

    function parseWeekday(input, locale) {
        if (typeof input !== 'string') {
            return input;
        }

        if (!isNaN(input)) {
            return parseInt(input, 10);
        }

        input = locale.weekdaysParse(input);
        if (typeof input === 'number') {
            return input;
        }

        return null;
    }

    function parseIsoWeekday(input, locale) {
        if (typeof input === 'string') {
            return locale.weekdaysParse(input) % 7 || 7;
        }
        return isNaN(input) ? null : input;
    }

    // LOCALES
    function shiftWeekdays(ws, n) {
        return ws.slice(n, 7).concat(ws.slice(0, n));
    }

    var defaultLocaleWeekdays =
            'Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday'.split('_'),
        defaultLocaleWeekdaysShort = 'Sun_Mon_Tue_Wed_Thu_Fri_Sat'.split('_'),
        defaultLocaleWeekdaysMin = 'Su_Mo_Tu_We_Th_Fr_Sa'.split('_'),
        defaultWeekdaysRegex = matchWord,
        defaultWeekdaysShortRegex = matchWord,
        defaultWeekdaysMinRegex = matchWord;

    function localeWeekdays(m, format) {
        var weekdays = isArray(this._weekdays)
            ? this._weekdays
            : this._weekdays[
                  m && m !== true && this._weekdays.isFormat.test(format)
                      ? 'format'
                      : 'standalone'
              ];
        return m === true
            ? shiftWeekdays(weekdays, this._week.dow)
            : m
            ? weekdays[m.day()]
            : weekdays;
    }

    function localeWeekdaysShort(m) {
        return m === true
            ? shiftWeekdays(this._weekdaysShort, this._week.dow)
            : m
            ? this._weekdaysShort[m.day()]
            : this._weekdaysShort;
    }

    function localeWeekdaysMin(m) {
        return m === true
            ? shiftWeekdays(this._weekdaysMin, this._week.dow)
            : m
            ? this._weekdaysMin[m.day()]
            : this._weekdaysMin;
    }

    function handleStrictParse$1(weekdayName, format, strict) {
        var i,
            ii,
            mom,
            llc = weekdayName.toLocaleLowerCase();
        if (!this._weekdaysParse) {
            this._weekdaysParse = [];
            this._shortWeekdaysParse = [];
            this._minWeekdaysParse = [];

            for (i = 0; i < 7; ++i) {
                mom = createUTC([2000, 1]).day(i);
                this._minWeekdaysParse[i] = this.weekdaysMin(
                    mom,
                    ''
                ).toLocaleLowerCase();
                this._shortWeekdaysParse[i] = this.weekdaysShort(
                    mom,
                    ''
                ).toLocaleLowerCase();
                this._weekdaysParse[i] = this.weekdays(mom, '').toLocaleLowerCase();
            }
        }

        if (strict) {
            if (format === 'dddd') {
                ii = indexOf.call(this._weekdaysParse, llc);
                return ii !== -1 ? ii : null;
            } else if (format === 'ddd') {
                ii = indexOf.call(this._shortWeekdaysParse, llc);
                return ii !== -1 ? ii : null;
            } else {
                ii = indexOf.call(this._minWeekdaysParse, llc);
                return ii !== -1 ? ii : null;
            }
        } else {
            if (format === 'dddd') {
                ii = indexOf.call(this._weekdaysParse, llc);
                if (ii !== -1) {
                    return ii;
                }
                ii = indexOf.call(this._shortWeekdaysParse, llc);
                if (ii !== -1) {
                    return ii;
                }
                ii = indexOf.call(this._minWeekdaysParse, llc);
                return ii !== -1 ? ii : null;
            } else if (format === 'ddd') {
                ii = indexOf.call(this._shortWeekdaysParse, llc);
                if (ii !== -1) {
                    return ii;
                }
                ii = indexOf.call(this._weekdaysParse, llc);
                if (ii !== -1) {
                    return ii;
                }
                ii = indexOf.call(this._minWeekdaysParse, llc);
                return ii !== -1 ? ii : null;
            } else {
                ii = indexOf.call(this._minWeekdaysParse, llc);
                if (ii !== -1) {
                    return ii;
                }
                ii = indexOf.call(this._weekdaysParse, llc);
                if (ii !== -1) {
                    return ii;
                }
                ii = indexOf.call(this._shortWeekdaysParse, llc);
                return ii !== -1 ? ii : null;
            }
        }
    }

    function localeWeekdaysParse(weekdayName, format, strict) {
        var i, mom, regex;

        if (this._weekdaysParseExact) {
            return handleStrictParse$1.call(this, weekdayName, format, strict);
        }

        if (!this._weekdaysParse) {
            this._weekdaysParse = [];
            this._minWeekdaysParse = [];
            this._shortWeekdaysParse = [];
            this._fullWeekdaysParse = [];
        }

        for (i = 0; i < 7; i++) {
            // make the regex if we don't have it already

            mom = createUTC([2000, 1]).day(i);
            if (strict && !this._fullWeekdaysParse[i]) {
                this._fullWeekdaysParse[i] = new RegExp(
                    '^' + this.weekdays(mom, '').replace('.', '\\.?') + '$',
                    'i'
                );
                this._shortWeekdaysParse[i] = new RegExp(
                    '^' + this.weekdaysShort(mom, '').replace('.', '\\.?') + '$',
                    'i'
                );
                this._minWeekdaysParse[i] = new RegExp(
                    '^' + this.weekdaysMin(mom, '').replace('.', '\\.?') + '$',
                    'i'
                );
            }
            if (!this._weekdaysParse[i]) {
                regex =
                    '^' +
                    this.weekdays(mom, '') +
                    '|^' +
                    this.weekdaysShort(mom, '') +
                    '|^' +
                    this.weekdaysMin(mom, '');
                this._weekdaysParse[i] = new RegExp(regex.replace('.', ''), 'i');
            }
            // test the regex
            if (
                strict &&
                format === 'dddd' &&
                this._fullWeekdaysParse[i].test(weekdayName)
            ) {
                return i;
            } else if (
                strict &&
                format === 'ddd' &&
                this._shortWeekdaysParse[i].test(weekdayName)
            ) {
                return i;
            } else if (
                strict &&
                format === 'dd' &&
                this._minWeekdaysParse[i].test(weekdayName)
            ) {
                return i;
            } else if (!strict && this._weekdaysParse[i].test(weekdayName)) {
                return i;
            }
        }
    }

    // MOMENTS

    function getSetDayOfWeek(input) {
        if (!this.isValid()) {
            return input != null ? this : NaN;
        }
        var day = this._isUTC ? this._d.getUTCDay() : this._d.getDay();
        if (input != null) {
            input = parseWeekday(input, this.localeData());
            return this.add(input - day, 'd');
        } else {
            return day;
        }
    }

    function getSetLocaleDayOfWeek(input) {
        if (!this.isValid()) {
            return input != null ? this : NaN;
        }
        var weekday = (this.day() + 7 - this.localeData()._week.dow) % 7;
        return input == null ? weekday : this.add(input - weekday, 'd');
    }

    function getSetISODayOfWeek(input) {
        if (!this.isValid()) {
            return input != null ? this : NaN;
        }

        // behaves the same as moment#day except
        // as a getter, returns 7 instead of 0 (1-7 range instead of 0-6)
        // as a setter, sunday should belong to the previous week.

        if (input != null) {
            var weekday = parseIsoWeekday(input, this.localeData());
            return this.day(this.day() % 7 ? weekday : weekday - 7);
        } else {
            return this.day() || 7;
        }
    }

    function weekdaysRegex(isStrict) {
        if (this._weekdaysParseExact) {
            if (!hasOwnProp(this, '_weekdaysRegex')) {
                computeWeekdaysParse.call(this);
            }
            if (isStrict) {
                return this._weekdaysStrictRegex;
            } else {
                return this._weekdaysRegex;
            }
        } else {
            if (!hasOwnProp(this, '_weekdaysRegex')) {
                this._weekdaysRegex = defaultWeekdaysRegex;
            }
            return this._weekdaysStrictRegex && isStrict
                ? this._weekdaysStrictRegex
                : this._weekdaysRegex;
        }
    }

    function weekdaysShortRegex(isStrict) {
        if (this._weekdaysParseExact) {
            if (!hasOwnProp(this, '_weekdaysRegex')) {
                computeWeekdaysParse.call(this);
            }
            if (isStrict) {
                return this._weekdaysShortStrictRegex;
            } else {
                return this._weekdaysShortRegex;
            }
        } else {
            if (!hasOwnProp(this, '_weekdaysShortRegex')) {
                this._weekdaysShortRegex = defaultWeekdaysShortRegex;
            }
            return this._weekdaysShortStrictRegex && isStrict
                ? this._weekdaysShortStrictRegex
                : this._weekdaysShortRegex;
        }
    }

    function weekdaysMinRegex(isStrict) {
        if (this._weekdaysParseExact) {
            if (!hasOwnProp(this, '_weekdaysRegex')) {
                computeWeekdaysParse.call(this);
            }
            if (isStrict) {
                return this._weekdaysMinStrictRegex;
            } else {
                return this._weekdaysMinRegex;
            }
        } else {
            if (!hasOwnProp(this, '_weekdaysMinRegex')) {
                this._weekdaysMinRegex = defaultWeekdaysMinRegex;
            }
            return this._weekdaysMinStrictRegex && isStrict
                ? this._weekdaysMinStrictRegex
                : this._weekdaysMinRegex;
        }
    }

    function computeWeekdaysParse() {
        function cmpLenRev(a, b) {
            return b.length - a.length;
        }

        var minPieces = [],
            shortPieces = [],
            longPieces = [],
            mixedPieces = [],
            i,
            mom,
            minp,
            shortp,
            longp;
        for (i = 0; i < 7; i++) {
            // make the regex if we don't have it already
            mom = createUTC([2000, 1]).day(i);
            minp = regexEscape(this.weekdaysMin(mom, ''));
            shortp = regexEscape(this.weekdaysShort(mom, ''));
            longp = regexEscape(this.weekdays(mom, ''));
            minPieces.push(minp);
            shortPieces.push(shortp);
            longPieces.push(longp);
            mixedPieces.push(minp);
            mixedPieces.push(shortp);
            mixedPieces.push(longp);
        }
        // Sorting makes sure if one weekday (or abbr) is a prefix of another it
        // will match the longer piece.
        minPieces.sort(cmpLenRev);
        shortPieces.sort(cmpLenRev);
        longPieces.sort(cmpLenRev);
        mixedPieces.sort(cmpLenRev);

        this._weekdaysRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i');
        this._weekdaysShortRegex = this._weekdaysRegex;
        this._weekdaysMinRegex = this._weekdaysRegex;

        this._weekdaysStrictRegex = new RegExp(
            '^(' + longPieces.join('|') + ')',
            'i'
        );
        this._weekdaysShortStrictRegex = new RegExp(
            '^(' + shortPieces.join('|') + ')',
            'i'
        );
        this._weekdaysMinStrictRegex = new RegExp(
            '^(' + minPieces.join('|') + ')',
            'i'
        );
    }

    // FORMATTING

    function hFormat() {
        return this.hours() % 12 || 12;
    }

    function kFormat() {
        return this.hours() || 24;
    }

    addFormatToken('H', ['HH', 2], 0, 'hour');
    addFormatToken('h', ['hh', 2], 0, hFormat);
    addFormatToken('k', ['kk', 2], 0, kFormat);

    addFormatToken('hmm', 0, 0, function () {
        return '' + hFormat.apply(this) + zeroFill(this.minutes(), 2);
    });

    addFormatToken('hmmss', 0, 0, function () {
        return (
            '' +
            hFormat.apply(this) +
            zeroFill(this.minutes(), 2) +
            zeroFill(this.seconds(), 2)
        );
    });

    addFormatToken('Hmm', 0, 0, function () {
        return '' + this.hours() + zeroFill(this.minutes(), 2);
    });

    addFormatToken('Hmmss', 0, 0, function () {
        return (
            '' +
            this.hours() +
            zeroFill(this.minutes(), 2) +
            zeroFill(this.seconds(), 2)
        );
    });

    function meridiem(token, lowercase) {
        addFormatToken(token, 0, 0, function () {
            return this.localeData().meridiem(
                this.hours(),
                this.minutes(),
                lowercase
            );
        });
    }

    meridiem('a', true);
    meridiem('A', false);

    // ALIASES

    addUnitAlias('hour', 'h');

    // PRIORITY
    addUnitPriority('hour', 13);

    // PARSING

    function matchMeridiem(isStrict, locale) {
        return locale._meridiemParse;
    }

    addRegexToken('a', matchMeridiem);
    addRegexToken('A', matchMeridiem);
    addRegexToken('H', match1to2);
    addRegexToken('h', match1to2);
    addRegexToken('k', match1to2);
    addRegexToken('HH', match1to2, match2);
    addRegexToken('hh', match1to2, match2);
    addRegexToken('kk', match1to2, match2);

    addRegexToken('hmm', match3to4);
    addRegexToken('hmmss', match5to6);
    addRegexToken('Hmm', match3to4);
    addRegexToken('Hmmss', match5to6);

    addParseToken(['H', 'HH'], HOUR);
    addParseToken(['k', 'kk'], function (input, array, config) {
        var kInput = toInt(input);
        array[HOUR] = kInput === 24 ? 0 : kInput;
    });
    addParseToken(['a', 'A'], function (input, array, config) {
        config._isPm = config._locale.isPM(input);
        config._meridiem = input;
    });
    addParseToken(['h', 'hh'], function (input, array, config) {
        array[HOUR] = toInt(input);
        getParsingFlags(config).bigHour = true;
    });
    addParseToken('hmm', function (input, array, config) {
        var pos = input.length - 2;
        array[HOUR] = toInt(input.substr(0, pos));
        array[MINUTE] = toInt(input.substr(pos));
        getParsingFlags(config).bigHour = true;
    });
    addParseToken('hmmss', function (input, array, config) {
        var pos1 = input.length - 4,
            pos2 = input.length - 2;
        array[HOUR] = toInt(input.substr(0, pos1));
        array[MINUTE] = toInt(input.substr(pos1, 2));
        array[SECOND] = toInt(input.substr(pos2));
        getParsingFlags(config).bigHour = true;
    });
    addParseToken('Hmm', function (input, array, config) {
        var pos = input.length - 2;
        array[HOUR] = toInt(input.substr(0, pos));
        array[MINUTE] = toInt(input.substr(pos));
    });
    addParseToken('Hmmss', function (input, array, config) {
        var pos1 = input.length - 4,
            pos2 = input.length - 2;
        array[HOUR] = toInt(input.substr(0, pos1));
        array[MINUTE] = toInt(input.substr(pos1, 2));
        array[SECOND] = toInt(input.substr(pos2));
    });

    // LOCALES

    function localeIsPM(input) {
        // IE8 Quirks Mode & IE7 Standards Mode do not allow accessing strings like arrays
        // Using charAt should be more compatible.
        return (input + '').toLowerCase().charAt(0) === 'p';
    }

    var defaultLocaleMeridiemParse = /[ap]\.?m?\.?/i,
        // Setting the hour should keep the time, because the user explicitly
        // specified which hour they want. So trying to maintain the same hour (in
        // a new timezone) makes sense. Adding/subtracting hours does not follow
        // this rule.
        getSetHour = makeGetSet('Hours', true);

    function localeMeridiem(hours, minutes, isLower) {
        if (hours > 11) {
            return isLower ? 'pm' : 'PM';
        } else {
            return isLower ? 'am' : 'AM';
        }
    }

    var baseConfig = {
        calendar: defaultCalendar,
        longDateFormat: defaultLongDateFormat,
        invalidDate: defaultInvalidDate,
        ordinal: defaultOrdinal,
        dayOfMonthOrdinalParse: defaultDayOfMonthOrdinalParse,
        relativeTime: defaultRelativeTime,

        months: defaultLocaleMonths,
        monthsShort: defaultLocaleMonthsShort,

        week: defaultLocaleWeek,

        weekdays: defaultLocaleWeekdays,
        weekdaysMin: defaultLocaleWeekdaysMin,
        weekdaysShort: defaultLocaleWeekdaysShort,

        meridiemParse: defaultLocaleMeridiemParse,
    };

    // internal storage for locale config files
    var locales = {},
        localeFamilies = {},
        globalLocale;

    function commonPrefix(arr1, arr2) {
        var i,
            minl = Math.min(arr1.length, arr2.length);
        for (i = 0; i < minl; i += 1) {
            if (arr1[i] !== arr2[i]) {
                return i;
            }
        }
        return minl;
    }

    function normalizeLocale(key) {
        return key ? key.toLowerCase().replace('_', '-') : key;
    }

    // pick the locale from the array
    // try ['en-au', 'en-gb'] as 'en-au', 'en-gb', 'en', as in move through the list trying each
    // substring from most specific to least, but move to the next array item if it's a more specific variant than the current root
    function chooseLocale(names) {
        var i = 0,
            j,
            next,
            locale,
            split;

        while (i < names.length) {
            split = normalizeLocale(names[i]).split('-');
            j = split.length;
            next = normalizeLocale(names[i + 1]);
            next = next ? next.split('-') : null;
            while (j > 0) {
                locale = loadLocale(split.slice(0, j).join('-'));
                if (locale) {
                    return locale;
                }
                if (
                    next &&
                    next.length >= j &&
                    commonPrefix(split, next) >= j - 1
                ) {
                    //the next array item is better than a shallower substring of this one
                    break;
                }
                j--;
            }
            i++;
        }
        return globalLocale;
    }

    function isLocaleNameSane(name) {
        // Prevent names that look like filesystem paths, i.e contain '/' or '\'
        return name.match('^[^/\\\\]*$') != null;
    }

    function loadLocale(name) {
        var oldLocale = null,
            aliasedRequire;
        // TODO: Find a better way to register and load all the locales in Node
        if (
            locales[name] === undefined &&
            typeof module !== 'undefined' &&
            module &&
            module.exports &&
            isLocaleNameSane(name)
        ) {
            try {
                oldLocale = globalLocale._abbr;
                aliasedRequire = require;
                aliasedRequire('./locale/' + name);
                getSetGlobalLocale(oldLocale);
            } catch (e) {
                // mark as not found to avoid repeating expensive file require call causing high CPU
                // when trying to find en-US, en_US, en-us for every format call
                locales[name] = null; // null means not found
            }
        }
        return locales[name];
    }

    // This function will load locale and then set the global locale.  If
    // no arguments are passed in, it will simply return the current global
    // locale key.
    function getSetGlobalLocale(key, values) {
        var data;
        if (key) {
            if (isUndefined(values)) {
                data = getLocale(key);
            } else {
                data = defineLocale(key, values);
            }

            if (data) {
                // moment.duration._locale = moment._locale = data;
                globalLocale = data;
            } else {
                if (typeof console !== 'undefined' && console.warn) {
                    //warn user if arguments are passed but the locale could not be set
                    console.warn(
                        'Locale ' + key + ' not found. Did you forget to load it?'
                    );
                }
            }
        }

        return globalLocale._abbr;
    }

    function defineLocale(name, config) {
        if (config !== null) {
            var locale,
                parentConfig = baseConfig;
            config.abbr = name;
            if (locales[name] != null) {
                deprecateSimple(
                    'defineLocaleOverride',
                    'use moment.updateLocale(localeName, config) to change ' +
                        'an existing locale. moment.defineLocale(localeName, ' +
                        'config) should only be used for creating a new locale ' +
                        'See http://momentjs.com/guides/#/warnings/define-locale/ for more info.'
                );
                parentConfig = locales[name]._config;
            } else if (config.parentLocale != null) {
                if (locales[config.parentLocale] != null) {
                    parentConfig = locales[config.parentLocale]._config;
                } else {
                    locale = loadLocale(config.parentLocale);
                    if (locale != null) {
                        parentConfig = locale._config;
                    } else {
                        if (!localeFamilies[config.parentLocale]) {
                            localeFamilies[config.parentLocale] = [];
                        }
                        localeFamilies[config.parentLocale].push({
                            name: name,
                            config: config,
                        });
                        return null;
                    }
                }
            }
            locales[name] = new Locale(mergeConfigs(parentConfig, config));

            if (localeFamilies[name]) {
                localeFamilies[name].forEach(function (x) {
                    defineLocale(x.name, x.config);
                });
            }

            // backwards compat for now: also set the locale
            // make sure we set the locale AFTER all child locales have been
            // created, so we won't end up with the child locale set.
            getSetGlobalLocale(name);

            return locales[name];
        } else {
            // useful for testing
            delete locales[name];
            return null;
        }
    }

    function updateLocale(name, config) {
        if (config != null) {
            var locale,
                tmpLocale,
                parentConfig = baseConfig;

            if (locales[name] != null && locales[name].parentLocale != null) {
                // Update existing child locale in-place to avoid memory-leaks
                locales[name].set(mergeConfigs(locales[name]._config, config));
            } else {
                // MERGE
                tmpLocale = loadLocale(name);
                if (tmpLocale != null) {
                    parentConfig = tmpLocale._config;
                }
                config = mergeConfigs(parentConfig, config);
                if (tmpLocale == null) {
                    // updateLocale is called for creating a new locale
                    // Set abbr so it will have a name (getters return
                    // undefined otherwise).
                    config.abbr = name;
                }
                locale = new Locale(config);
                locale.parentLocale = locales[name];
                locales[name] = locale;
            }

            // backwards compat for now: also set the locale
            getSetGlobalLocale(name);
        } else {
            // pass null for config to unupdate, useful for tests
            if (locales[name] != null) {
                if (locales[name].parentLocale != null) {
                    locales[name] = locales[name].parentLocale;
                    if (name === getSetGlobalLocale()) {
                        getSetGlobalLocale(name);
                    }
                } else if (locales[name] != null) {
                    delete locales[name];
                }
            }
        }
        return locales[name];
    }

    // returns locale data
    function getLocale(key) {
        var locale;

        if (key && key._locale && key._locale._abbr) {
            key = key._locale._abbr;
        }

        if (!key) {
            return globalLocale;
        }

        if (!isArray(key)) {
            //short-circuit everything else
            locale = loadLocale(key);
            if (locale) {
                return locale;
            }
            key = [key];
        }

        return chooseLocale(key);
    }

    function listLocales() {
        return keys(locales);
    }

    function checkOverflow(m) {
        var overflow,
            a = m._a;

        if (a && getParsingFlags(m).overflow === -2) {
            overflow =
                a[MONTH] < 0 || a[MONTH] > 11
                    ? MONTH
                    : a[DATE] < 1 || a[DATE] > daysInMonth(a[YEAR], a[MONTH])
                    ? DATE
                    : a[HOUR] < 0 ||
                      a[HOUR] > 24 ||
                      (a[HOUR] === 24 &&
                          (a[MINUTE] !== 0 ||
                              a[SECOND] !== 0 ||
                              a[MILLISECOND] !== 0))
                    ? HOUR
                    : a[MINUTE] < 0 || a[MINUTE] > 59
                    ? MINUTE
                    : a[SECOND] < 0 || a[SECOND] > 59
                    ? SECOND
                    : a[MILLISECOND] < 0 || a[MILLISECOND] > 999
                    ? MILLISECOND
                    : -1;

            if (
                getParsingFlags(m)._overflowDayOfYear &&
                (overflow < YEAR || overflow > DATE)
            ) {
                overflow = DATE;
            }
            if (getParsingFlags(m)._overflowWeeks && overflow === -1) {
                overflow = WEEK;
            }
            if (getParsingFlags(m)._overflowWeekday && overflow === -1) {
                overflow = WEEKDAY;
            }

            getParsingFlags(m).overflow = overflow;
        }

        return m;
    }

    // iso 8601 regex
    // 0000-00-00 0000-W00 or 0000-W00-0 + T + 00 or 00:00 or 00:00:00 or 00:00:00.000 + +00:00 or +0000 or +00)
    var extendedIsoRegex =
            /^\s*((?:[+-]\d{6}|\d{4})-(?:\d\d-\d\d|W\d\d-\d|W\d\d|\d\d\d|\d\d))(?:(T| )(\d\d(?::\d\d(?::\d\d(?:[.,]\d+)?)?)?)([+-]\d\d(?::?\d\d)?|\s*Z)?)?$/,
        basicIsoRegex =
            /^\s*((?:[+-]\d{6}|\d{4})(?:\d\d\d\d|W\d\d\d|W\d\d|\d\d\d|\d\d|))(?:(T| )(\d\d(?:\d\d(?:\d\d(?:[.,]\d+)?)?)?)([+-]\d\d(?::?\d\d)?|\s*Z)?)?$/,
        tzRegex = /Z|[+-]\d\d(?::?\d\d)?/,
        isoDates = [
            ['YYYYYY-MM-DD', /[+-]\d{6}-\d\d-\d\d/],
            ['YYYY-MM-DD', /\d{4}-\d\d-\d\d/],
            ['GGGG-[W]WW-E', /\d{4}-W\d\d-\d/],
            ['GGGG-[W]WW', /\d{4}-W\d\d/, false],
            ['YYYY-DDD', /\d{4}-\d{3}/],
            ['YYYY-MM', /\d{4}-\d\d/, false],
            ['YYYYYYMMDD', /[+-]\d{10}/],
            ['YYYYMMDD', /\d{8}/],
            ['GGGG[W]WWE', /\d{4}W\d{3}/],
            ['GGGG[W]WW', /\d{4}W\d{2}/, false],
            ['YYYYDDD', /\d{7}/],
            ['YYYYMM', /\d{6}/, false],
            ['YYYY', /\d{4}/, false],
        ],
        // iso time formats and regexes
        isoTimes = [
            ['HH:mm:ss.SSSS', /\d\d:\d\d:\d\d\.\d+/],
            ['HH:mm:ss,SSSS', /\d\d:\d\d:\d\d,\d+/],
            ['HH:mm:ss', /\d\d:\d\d:\d\d/],
            ['HH:mm', /\d\d:\d\d/],
            ['HHmmss.SSSS', /\d\d\d\d\d\d\.\d+/],
            ['HHmmss,SSSS', /\d\d\d\d\d\d,\d+/],
            ['HHmmss', /\d\d\d\d\d\d/],
            ['HHmm', /\d\d\d\d/],
            ['HH', /\d\d/],
        ],
        aspNetJsonRegex = /^\/?Date\((-?\d+)/i,
        // RFC 2822 regex: For details see https://tools.ietf.org/html/rfc2822#section-3.3
        rfc2822 =
            /^(?:(Mon|Tue|Wed|Thu|Fri|Sat|Sun),?\s)?(\d{1,2})\s(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\s(\d{2,4})\s(\d\d):(\d\d)(?::(\d\d))?\s(?:(UT|GMT|[ECMP][SD]T)|([Zz])|([+-]\d{4}))$/,
        obsOffsets = {
            UT: 0,
            GMT: 0,
            EDT: -4 * 60,
            EST: -5 * 60,
            CDT: -5 * 60,
            CST: -6 * 60,
            MDT: -6 * 60,
            MST: -7 * 60,
            PDT: -7 * 60,
            PST: -8 * 60,
        };

    // date from iso format
    function configFromISO(config) {
        var i,
            l,
            string = config._i,
            match = extendedIsoRegex.exec(string) || basicIsoRegex.exec(string),
            allowTime,
            dateFormat,
            timeFormat,
            tzFormat,
            isoDatesLen = isoDates.length,
            isoTimesLen = isoTimes.length;

        if (match) {
            getParsingFlags(config).iso = true;
            for (i = 0, l = isoDatesLen; i < l; i++) {
                if (isoDates[i][1].exec(match[1])) {
                    dateFormat = isoDates[i][0];
                    allowTime = isoDates[i][2] !== false;
                    break;
                }
            }
            if (dateFormat == null) {
                config._isValid = false;
                return;
            }
            if (match[3]) {
                for (i = 0, l = isoTimesLen; i < l; i++) {
                    if (isoTimes[i][1].exec(match[3])) {
                        // match[2] should be 'T' or space
                        timeFormat = (match[2] || ' ') + isoTimes[i][0];
                        break;
                    }
                }
                if (timeFormat == null) {
                    config._isValid = false;
                    return;
                }
            }
            if (!allowTime && timeFormat != null) {
                config._isValid = false;
                return;
            }
            if (match[4]) {
                if (tzRegex.exec(match[4])) {
                    tzFormat = 'Z';
                } else {
                    config._isValid = false;
                    return;
                }
            }
            config._f = dateFormat + (timeFormat || '') + (tzFormat || '');
            configFromStringAndFormat(config);
        } else {
            config._isValid = false;
        }
    }

    function extractFromRFC2822Strings(
        yearStr,
        monthStr,
        dayStr,
        hourStr,
        minuteStr,
        secondStr
    ) {
        var result = [
            untruncateYear(yearStr),
            defaultLocaleMonthsShort.indexOf(monthStr),
            parseInt(dayStr, 10),
            parseInt(hourStr, 10),
            parseInt(minuteStr, 10),
        ];

        if (secondStr) {
            result.push(parseInt(secondStr, 10));
        }

        return result;
    }

    function untruncateYear(yearStr) {
        var year = parseInt(yearStr, 10);
        if (year <= 49) {
            return 2000 + year;
        } else if (year <= 999) {
            return 1900 + year;
        }
        return year;
    }

    function preprocessRFC2822(s) {
        // Remove comments and folding whitespace and replace multiple-spaces with a single space
        return s
            .replace(/\([^()]*\)|[\n\t]/g, ' ')
            .replace(/(\s\s+)/g, ' ')
            .replace(/^\s\s*/, '')
            .replace(/\s\s*$/, '');
    }

    function checkWeekday(weekdayStr, parsedInput, config) {
        if (weekdayStr) {
            // TODO: Replace the vanilla JS Date object with an independent day-of-week check.
            var weekdayProvided = defaultLocaleWeekdaysShort.indexOf(weekdayStr),
                weekdayActual = new Date(
                    parsedInput[0],
                    parsedInput[1],
                    parsedInput[2]
                ).getDay();
            if (weekdayProvided !== weekdayActual) {
                getParsingFlags(config).weekdayMismatch = true;
                config._isValid = false;
                return false;
            }
        }
        return true;
    }

    function calculateOffset(obsOffset, militaryOffset, numOffset) {
        if (obsOffset) {
            return obsOffsets[obsOffset];
        } else if (militaryOffset) {
            // the only allowed military tz is Z
            return 0;
        } else {
            var hm = parseInt(numOffset, 10),
                m = hm % 100,
                h = (hm - m) / 100;
            return h * 60 + m;
        }
    }

    // date and time from ref 2822 format
    function configFromRFC2822(config) {
        var match = rfc2822.exec(preprocessRFC2822(config._i)),
            parsedArray;
        if (match) {
            parsedArray = extractFromRFC2822Strings(
                match[4],
                match[3],
                match[2],
                match[5],
                match[6],
                match[7]
            );
            if (!checkWeekday(match[1], parsedArray, config)) {
                return;
            }

            config._a = parsedArray;
            config._tzm = calculateOffset(match[8], match[9], match[10]);

            config._d = createUTCDate.apply(null, config._a);
            config._d.setUTCMinutes(config._d.getUTCMinutes() - config._tzm);

            getParsingFlags(config).rfc2822 = true;
        } else {
            config._isValid = false;
        }
    }

    // date from 1) ASP.NET, 2) ISO, 3) RFC 2822 formats, or 4) optional fallback if parsing isn't strict
    function configFromString(config) {
        var matched = aspNetJsonRegex.exec(config._i);
        if (matched !== null) {
            config._d = new Date(+matched[1]);
            return;
        }

        configFromISO(config);
        if (config._isValid === false) {
            delete config._isValid;
        } else {
            return;
        }

        configFromRFC2822(config);
        if (config._isValid === false) {
            delete config._isValid;
        } else {
            return;
        }

        if (config._strict) {
            config._isValid = false;
        } else {
            // Final attempt, use Input Fallback
            hooks.createFromInputFallback(config);
        }
    }

    hooks.createFromInputFallback = deprecate(
        'value provided is not in a recognized RFC2822 or ISO format. moment construction falls back to js Date(), ' +
            'which is not reliable across all browsers and versions. Non RFC2822/ISO date formats are ' +
            'discouraged. Please refer to http://momentjs.com/guides/#/warnings/js-date/ for more info.',
        function (config) {
            config._d = new Date(config._i + (config._useUTC ? ' UTC' : ''));
        }
    );

    // Pick the first defined of two or three arguments.
    function defaults(a, b, c) {
        if (a != null) {
            return a;
        }
        if (b != null) {
            return b;
        }
        return c;
    }

    function currentDateArray(config) {
        // hooks is actually the exported moment object
        var nowValue = new Date(hooks.now());
        if (config._useUTC) {
            return [
                nowValue.getUTCFullYear(),
                nowValue.getUTCMonth(),
                nowValue.getUTCDate(),
            ];
        }
        return [nowValue.getFullYear(), nowValue.getMonth(), nowValue.getDate()];
    }

    // convert an array to a date.
    // the array should mirror the parameters below
    // note: all values past the year are optional and will default to the lowest possible value.
    // [year, month, day , hour, minute, second, millisecond]
    function configFromArray(config) {
        var i,
            date,
            input = [],
            currentDate,
            expectedWeekday,
            yearToUse;

        if (config._d) {
            return;
        }

        currentDate = currentDateArray(config);

        //compute day of the year from weeks and weekdays
        if (config._w && config._a[DATE] == null && config._a[MONTH] == null) {
            dayOfYearFromWeekInfo(config);
        }

        //if the day of the year is set, figure out what it is
        if (config._dayOfYear != null) {
            yearToUse = defaults(config._a[YEAR], currentDate[YEAR]);

            if (
                config._dayOfYear > daysInYear(yearToUse) ||
                config._dayOfYear === 0
            ) {
                getParsingFlags(config)._overflowDayOfYear = true;
            }

            date = createUTCDate(yearToUse, 0, config._dayOfYear);
            config._a[MONTH] = date.getUTCMonth();
            config._a[DATE] = date.getUTCDate();
        }

        // Default to current date.
        // * if no year, month, day of month are given, default to today
        // * if day of month is given, default month and year
        // * if month is given, default only year
        // * if year is given, don't default anything
        for (i = 0; i < 3 && config._a[i] == null; ++i) {
            config._a[i] = input[i] = currentDate[i];
        }

        // Zero out whatever was not defaulted, including time
        for (; i < 7; i++) {
            config._a[i] = input[i] =
                config._a[i] == null ? (i === 2 ? 1 : 0) : config._a[i];
        }

        // Check for 24:00:00.000
        if (
            config._a[HOUR] === 24 &&
            config._a[MINUTE] === 0 &&
            config._a[SECOND] === 0 &&
            config._a[MILLISECOND] === 0
        ) {
            config._nextDay = true;
            config._a[HOUR] = 0;
        }

        config._d = (config._useUTC ? createUTCDate : createDate).apply(
            null,
            input
        );
        expectedWeekday = config._useUTC
            ? config._d.getUTCDay()
            : config._d.getDay();

        // Apply timezone offset from input. The actual utcOffset can be changed
        // with parseZone.
        if (config._tzm != null) {
            config._d.setUTCMinutes(config._d.getUTCMinutes() - config._tzm);
        }

        if (config._nextDay) {
            config._a[HOUR] = 24;
        }

        // check for mismatching day of week
        if (
            config._w &&
            typeof config._w.d !== 'undefined' &&
            config._w.d !== expectedWeekday
        ) {
            getParsingFlags(config).weekdayMismatch = true;
        }
    }

    function dayOfYearFromWeekInfo(config) {
        var w, weekYear, week, weekday, dow, doy, temp, weekdayOverflow, curWeek;

        w = config._w;
        if (w.GG != null || w.W != null || w.E != null) {
            dow = 1;
            doy = 4;

            // TODO: We need to take the current isoWeekYear, but that depends on
            // how we interpret now (local, utc, fixed offset). So create
            // a now version of current config (take local/utc/offset flags, and
            // create now).
            weekYear = defaults(
                w.GG,
                config._a[YEAR],
                weekOfYear(createLocal(), 1, 4).year
            );
            week = defaults(w.W, 1);
            weekday = defaults(w.E, 1);
            if (weekday < 1 || weekday > 7) {
                weekdayOverflow = true;
            }
        } else {
            dow = config._locale._week.dow;
            doy = config._locale._week.doy;

            curWeek = weekOfYear(createLocal(), dow, doy);

            weekYear = defaults(w.gg, config._a[YEAR], curWeek.year);

            // Default to current week.
            week = defaults(w.w, curWeek.week);

            if (w.d != null) {
                // weekday -- low day numbers are considered next week
                weekday = w.d;
                if (weekday < 0 || weekday > 6) {
                    weekdayOverflow = true;
                }
            } else if (w.e != null) {
                // local weekday -- counting starts from beginning of week
                weekday = w.e + dow;
                if (w.e < 0 || w.e > 6) {
                    weekdayOverflow = true;
                }
            } else {
                // default to beginning of week
                weekday = dow;
            }
        }
        if (week < 1 || week > weeksInYear(weekYear, dow, doy)) {
            getParsingFlags(config)._overflowWeeks = true;
        } else if (weekdayOverflow != null) {
            getParsingFlags(config)._overflowWeekday = true;
        } else {
            temp = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy);
            config._a[YEAR] = temp.year;
            config._dayOfYear = temp.dayOfYear;
        }
    }

    // constant that refers to the ISO standard
    hooks.ISO_8601 = function () {};

    // constant that refers to the RFC 2822 form
    hooks.RFC_2822 = function () {};

    // date from string and format string
    function configFromStringAndFormat(config) {
        // TODO: Move this to another part of the creation flow to prevent circular deps
        if (config._f === hooks.ISO_8601) {
            configFromISO(config);
            return;
        }
        if (config._f === hooks.RFC_2822) {
            configFromRFC2822(config);
            return;
        }
        config._a = [];
        getParsingFlags(config).empty = true;

        // This array is used to make a Date, either with `new Date` or `Date.UTC`
        var string = '' + config._i,
            i,
            parsedInput,
            tokens,
            token,
            skipped,
            stringLength = string.length,
            totalParsedInputLength = 0,
            era,
            tokenLen;

        tokens =
            expandFormat(config._f, config._locale).match(formattingTokens) || [];
        tokenLen = tokens.length;
        for (i = 0; i < tokenLen; i++) {
            token = tokens[i];
            parsedInput = (string.match(getParseRegexForToken(token, config)) ||
                [])[0];
            if (parsedInput) {
                skipped = string.substr(0, string.indexOf(parsedInput));
                if (skipped.length > 0) {
                    getParsingFlags(config).unusedInput.push(skipped);
                }
                string = string.slice(
                    string.indexOf(parsedInput) + parsedInput.length
                );
                totalParsedInputLength += parsedInput.length;
            }
            // don't parse if it's not a known token
            if (formatTokenFunctions[token]) {
                if (parsedInput) {
                    getParsingFlags(config).empty = false;
                } else {
                    getParsingFlags(config).unusedTokens.push(token);
                }
                addTimeToArrayFromToken(token, parsedInput, config);
            } else if (config._strict && !parsedInput) {
                getParsingFlags(config).unusedTokens.push(token);
            }
        }

        // add remaining unparsed input length to the string
        getParsingFlags(config).charsLeftOver =
            stringLength - totalParsedInputLength;
        if (string.length > 0) {
            getParsingFlags(config).unusedInput.push(string);
        }

        // clear _12h flag if hour is <= 12
        if (
            config._a[HOUR] <= 12 &&
            getParsingFlags(config).bigHour === true &&
            config._a[HOUR] > 0
        ) {
            getParsingFlags(config).bigHour = undefined;
        }

        getParsingFlags(config).parsedDateParts = config._a.slice(0);
        getParsingFlags(config).meridiem = config._meridiem;
        // handle meridiem
        config._a[HOUR] = meridiemFixWrap(
            config._locale,
            config._a[HOUR],
            config._meridiem
        );

        // handle era
        era = getParsingFlags(config).era;
        if (era !== null) {
            config._a[YEAR] = config._locale.erasConvertYear(era, config._a[YEAR]);
        }

        configFromArray(config);
        checkOverflow(config);
    }

    function meridiemFixWrap(locale, hour, meridiem) {
        var isPm;

        if (meridiem == null) {
            // nothing to do
            return hour;
        }
        if (locale.meridiemHour != null) {
            return locale.meridiemHour(hour, meridiem);
        } else if (locale.isPM != null) {
            // Fallback
            isPm = locale.isPM(meridiem);
            if (isPm && hour < 12) {
                hour += 12;
            }
            if (!isPm && hour === 12) {
                hour = 0;
            }
            return hour;
        } else {
            // this is not supposed to happen
            return hour;
        }
    }

    // date from string and array of format strings
    function configFromStringAndArray(config) {
        var tempConfig,
            bestMoment,
            scoreToBeat,
            i,
            currentScore,
            validFormatFound,
            bestFormatIsValid = false,
            configfLen = config._f.length;

        if (configfLen === 0) {
            getParsingFlags(config).invalidFormat = true;
            config._d = new Date(NaN);
            return;
        }

        for (i = 0; i < configfLen; i++) {
            currentScore = 0;
            validFormatFound = false;
            tempConfig = copyConfig({}, config);
            if (config._useUTC != null) {
                tempConfig._useUTC = config._useUTC;
            }
            tempConfig._f = config._f[i];
            configFromStringAndFormat(tempConfig);

            if (isValid(tempConfig)) {
                validFormatFound = true;
            }

            // if there is any input that was not parsed add a penalty for that format
            currentScore += getParsingFlags(tempConfig).charsLeftOver;

            //or tokens
            currentScore += getParsingFlags(tempConfig).unusedTokens.length * 10;

            getParsingFlags(tempConfig).score = currentScore;

            if (!bestFormatIsValid) {
                if (
                    scoreToBeat == null ||
                    currentScore < scoreToBeat ||
                    validFormatFound
                ) {
                    scoreToBeat = currentScore;
                    bestMoment = tempConfig;
                    if (validFormatFound) {
                        bestFormatIsValid = true;
                    }
                }
            } else {
                if (currentScore < scoreToBeat) {
                    scoreToBeat = currentScore;
                    bestMoment = tempConfig;
                }
            }
        }

        extend(config, bestMoment || tempConfig);
    }

    function configFromObject(config) {
        if (config._d) {
            return;
        }

        var i = normalizeObjectUnits(config._i),
            dayOrDate = i.day === undefined ? i.date : i.day;
        config._a = map(
            [i.year, i.month, dayOrDate, i.hour, i.minute, i.second, i.millisecond],
            function (obj) {
                return obj && parseInt(obj, 10);
            }
        );

        configFromArray(config);
    }

    function createFromConfig(config) {
        var res = new Moment(checkOverflow(prepareConfig(config)));
        if (res._nextDay) {
            // Adding is smart enough around DST
            res.add(1, 'd');
            res._nextDay = undefined;
        }

        return res;
    }

    function prepareConfig(config) {
        var input = config._i,
            format = config._f;

        config._locale = config._locale || getLocale(config._l);

        if (input === null || (format === undefined && input === '')) {
            return createInvalid({ nullInput: true });
        }

        if (typeof input === 'string') {
            config._i = input = config._locale.preparse(input);
        }

        if (isMoment(input)) {
            return new Moment(checkOverflow(input));
        } else if (isDate(input)) {
            config._d = input;
        } else if (isArray(format)) {
            configFromStringAndArray(config);
        } else if (format) {
            configFromStringAndFormat(config);
        } else {
            configFromInput(config);
        }

        if (!isValid(config)) {
            config._d = null;
        }

        return config;
    }

    function configFromInput(config) {
        var input = config._i;
        if (isUndefined(input)) {
            config._d = new Date(hooks.now());
        } else if (isDate(input)) {
            config._d = new Date(input.valueOf());
        } else if (typeof input === 'string') {
            configFromString(config);
        } else if (isArray(input)) {
            config._a = map(input.slice(0), function (obj) {
                return parseInt(obj, 10);
            });
            configFromArray(config);
        } else if (isObject(input)) {
            configFromObject(config);
        } else if (isNumber(input)) {
            // from milliseconds
            config._d = new Date(input);
        } else {
            hooks.createFromInputFallback(config);
        }
    }

    function createLocalOrUTC(input, format, locale, strict, isUTC) {
        var c = {};

        if (format === true || format === false) {
            strict = format;
            format = undefined;
        }

        if (locale === true || locale === false) {
            strict = locale;
            locale = undefined;
        }

        if (
            (isObject(input) && isObjectEmpty(input)) ||
            (isArray(input) && input.length === 0)
        ) {
            input = undefined;
        }
        // object construction must be done this way.
        // https://github.com/moment/moment/issues/1423
        c._isAMomentObject = true;
        c._useUTC = c._isUTC = isUTC;
        c._l = locale;
        c._i = input;
        c._f = format;
        c._strict = strict;

        return createFromConfig(c);
    }

    function createLocal(input, format, locale, strict) {
        return createLocalOrUTC(input, format, locale, strict, false);
    }

    var prototypeMin = deprecate(
            'moment().min is deprecated, use moment.max instead. http://momentjs.com/guides/#/warnings/min-max/',
            function () {
                var other = createLocal.apply(null, arguments);
                if (this.isValid() && other.isValid()) {
                    return other < this ? this : other;
                } else {
                    return createInvalid();
                }
            }
        ),
        prototypeMax = deprecate(
            'moment().max is deprecated, use moment.min instead. http://momentjs.com/guides/#/warnings/min-max/',
            function () {
                var other = createLocal.apply(null, arguments);
                if (this.isValid() && other.isValid()) {
                    return other > this ? this : other;
                } else {
                    return createInvalid();
                }
            }
        );

    // Pick a moment m from moments so that m[fn](other) is true for all
    // other. This relies on the function fn to be transitive.
    //
    // moments should either be an array of moment objects or an array, whose
    // first element is an array of moment objects.
    function pickBy(fn, moments) {
        var res, i;
        if (moments.length === 1 && isArray(moments[0])) {
            moments = moments[0];
        }
        if (!moments.length) {
            return createLocal();
        }
        res = moments[0];
        for (i = 1; i < moments.length; ++i) {
            if (!moments[i].isValid() || moments[i][fn](res)) {
                res = moments[i];
            }
        }
        return res;
    }

    // TODO: Use [].sort instead?
    function min() {
        var args = [].slice.call(arguments, 0);

        return pickBy('isBefore', args);
    }

    function max() {
        var args = [].slice.call(arguments, 0);

        return pickBy('isAfter', args);
    }

    var now = function () {
        return Date.now ? Date.now() : +new Date();
    };

    var ordering = [
        'year',
        'quarter',
        'month',
        'week',
        'day',
        'hour',
        'minute',
        'second',
        'millisecond',
    ];

    function isDurationValid(m) {
        var key,
            unitHasDecimal = false,
            i,
            orderLen = ordering.length;
        for (key in m) {
            if (
                hasOwnProp(m, key) &&
                !(
                    indexOf.call(ordering, key) !== -1 &&
                    (m[key] == null || !isNaN(m[key]))
                )
            ) {
                return false;
            }
        }

        for (i = 0; i < orderLen; ++i) {
            if (m[ordering[i]]) {
                if (unitHasDecimal) {
                    return false; // only allow non-integers for smallest unit
                }
                if (parseFloat(m[ordering[i]]) !== toInt(m[ordering[i]])) {
                    unitHasDecimal = true;
                }
            }
        }

        return true;
    }

    function isValid$1() {
        return this._isValid;
    }

    function createInvalid$1() {
        return createDuration(NaN);
    }

    function Duration(duration) {
        var normalizedInput = normalizeObjectUnits(duration),
            years = normalizedInput.year || 0,
            quarters = normalizedInput.quarter || 0,
            months = normalizedInput.month || 0,
            weeks = normalizedInput.week || normalizedInput.isoWeek || 0,
            days = normalizedInput.day || 0,
            hours = normalizedInput.hour || 0,
            minutes = normalizedInput.minute || 0,
            seconds = normalizedInput.second || 0,
            milliseconds = normalizedInput.millisecond || 0;

        this._isValid = isDurationValid(normalizedInput);

        // representation for dateAddRemove
        this._milliseconds =
            +milliseconds +
            seconds * 1e3 + // 1000
            minutes * 6e4 + // 1000 * 60
            hours * 1000 * 60 * 60; //using 1000 * 60 * 60 instead of 36e5 to avoid floating point rounding errors https://github.com/moment/moment/issues/2978
        // Because of dateAddRemove treats 24 hours as different from a
        // day when working around DST, we need to store them separately
        this._days = +days + weeks * 7;
        // It is impossible to translate months into days without knowing
        // which months you are are talking about, so we have to store
        // it separately.
        this._months = +months + quarters * 3 + years * 12;

        this._data = {};

        this._locale = getLocale();

        this._bubble();
    }

    function isDuration(obj) {
        return obj instanceof Duration;
    }

    function absRound(number) {
        if (number < 0) {
            return Math.round(-1 * number) * -1;
        } else {
            return Math.round(number);
        }
    }

    // compare two arrays, return the number of differences
    function compareArrays(array1, array2, dontConvert) {
        var len = Math.min(array1.length, array2.length),
            lengthDiff = Math.abs(array1.length - array2.length),
            diffs = 0,
            i;
        for (i = 0; i < len; i++) {
            if (
                (dontConvert && array1[i] !== array2[i]) ||
                (!dontConvert && toInt(array1[i]) !== toInt(array2[i]))
            ) {
                diffs++;
            }
        }
        return diffs + lengthDiff;
    }

    // FORMATTING

    function offset(token, separator) {
        addFormatToken(token, 0, 0, function () {
            var offset = this.utcOffset(),
                sign = '+';
            if (offset < 0) {
                offset = -offset;
                sign = '-';
            }
            return (
                sign +
                zeroFill(~~(offset / 60), 2) +
                separator +
                zeroFill(~~offset % 60, 2)
            );
        });
    }

    offset('Z', ':');
    offset('ZZ', '');

    // PARSING

    addRegexToken('Z', matchShortOffset);
    addRegexToken('ZZ', matchShortOffset);
    addParseToken(['Z', 'ZZ'], function (input, array, config) {
        config._useUTC = true;
        config._tzm = offsetFromString(matchShortOffset, input);
    });

    // HELPERS

    // timezone chunker
    // '+10:00' > ['10',  '00']
    // '-1530'  > ['-15', '30']
    var chunkOffset = /([\+\-]|\d\d)/gi;

    function offsetFromString(matcher, string) {
        var matches = (string || '').match(matcher),
            chunk,
            parts,
            minutes;

        if (matches === null) {
            return null;
        }

        chunk = matches[matches.length - 1] || [];
        parts = (chunk + '').match(chunkOffset) || ['-', 0, 0];
        minutes = +(parts[1] * 60) + toInt(parts[2]);

        return minutes === 0 ? 0 : parts[0] === '+' ? minutes : -minutes;
    }

    // Return a moment from input, that is local/utc/zone equivalent to model.
    function cloneWithOffset(input, model) {
        var res, diff;
        if (model._isUTC) {
            res = model.clone();
            diff =
                (isMoment(input) || isDate(input)
                    ? input.valueOf()
                    : createLocal(input).valueOf()) - res.valueOf();
            // Use low-level api, because this fn is low-level api.
            res._d.setTime(res._d.valueOf() + diff);
            hooks.updateOffset(res, false);
            return res;
        } else {
            return createLocal(input).local();
        }
    }

    function getDateOffset(m) {
        // On Firefox.24 Date#getTimezoneOffset returns a floating point.
        // https://github.com/moment/moment/pull/1871
        return -Math.round(m._d.getTimezoneOffset());
    }

    // HOOKS

    // This function will be called whenever a moment is mutated.
    // It is intended to keep the offset in sync with the timezone.
    hooks.updateOffset = function () {};

    // MOMENTS

    // keepLocalTime = true means only change the timezone, without
    // affecting the local hour. So 5:31:26 +0300 --[utcOffset(2, true)]-->
    // 5:31:26 +0200 It is possible that 5:31:26 doesn't exist with offset
    // +0200, so we adjust the time as needed, to be valid.
    //
    // Keeping the time actually adds/subtracts (one hour)
    // from the actual represented time. That is why we call updateOffset
    // a second time. In case it wants us to change the offset again
    // _changeInProgress == true case, then we have to adjust, because
    // there is no such time in the given timezone.
    function getSetOffset(input, keepLocalTime, keepMinutes) {
        var offset = this._offset || 0,
            localAdjust;
        if (!this.isValid()) {
            return input != null ? this : NaN;
        }
        if (input != null) {
            if (typeof input === 'string') {
                input = offsetFromString(matchShortOffset, input);
                if (input === null) {
                    return this;
                }
            } else if (Math.abs(input) < 16 && !keepMinutes) {
                input = input * 60;
            }
            if (!this._isUTC && keepLocalTime) {
                localAdjust = getDateOffset(this);
            }
            this._offset = input;
            this._isUTC = true;
            if (localAdjust != null) {
                this.add(localAdjust, 'm');
            }
            if (offset !== input) {
                if (!keepLocalTime || this._changeInProgress) {
                    addSubtract(
                        this,
                        createDuration(input - offset, 'm'),
                        1,
                        false
                    );
                } else if (!this._changeInProgress) {
                    this._changeInProgress = true;
                    hooks.updateOffset(this, true);
                    this._changeInProgress = null;
                }
            }
            return this;
        } else {
            return this._isUTC ? offset : getDateOffset(this);
        }
    }

    function getSetZone(input, keepLocalTime) {
        if (input != null) {
            if (typeof input !== 'string') {
                input = -input;
            }

            this.utcOffset(input, keepLocalTime);

            return this;
        } else {
            return -this.utcOffset();
        }
    }

    function setOffsetToUTC(keepLocalTime) {
        return this.utcOffset(0, keepLocalTime);
    }

    function setOffsetToLocal(keepLocalTime) {
        if (this._isUTC) {
            this.utcOffset(0, keepLocalTime);
            this._isUTC = false;

            if (keepLocalTime) {
                this.subtract(getDateOffset(this), 'm');
            }
        }
        return this;
    }

    function setOffsetToParsedOffset() {
        if (this._tzm != null) {
            this.utcOffset(this._tzm, false, true);
        } else if (typeof this._i === 'string') {
            var tZone = offsetFromString(matchOffset, this._i);
            if (tZone != null) {
                this.utcOffset(tZone);
            } else {
                this.utcOffset(0, true);
            }
        }
        return this;
    }

    function hasAlignedHourOffset(input) {
        if (!this.isValid()) {
            return false;
        }
        input = input ? createLocal(input).utcOffset() : 0;

        return (this.utcOffset() - input) % 60 === 0;
    }

    function isDaylightSavingTime() {
        return (
            this.utcOffset() > this.clone().month(0).utcOffset() ||
            this.utcOffset() > this.clone().month(5).utcOffset()
        );
    }

    function isDaylightSavingTimeShifted() {
        if (!isUndefined(this._isDSTShifted)) {
            return this._isDSTShifted;
        }

        var c = {},
            other;

        copyConfig(c, this);
        c = prepareConfig(c);

        if (c._a) {
            other = c._isUTC ? createUTC(c._a) : createLocal(c._a);
            this._isDSTShifted =
                this.isValid() && compareArrays(c._a, other.toArray()) > 0;
        } else {
            this._isDSTShifted = false;
        }

        return this._isDSTShifted;
    }

    function isLocal() {
        return this.isValid() ? !this._isUTC : false;
    }

    function isUtcOffset() {
        return this.isValid() ? this._isUTC : false;
    }

    function isUtc() {
        return this.isValid() ? this._isUTC && this._offset === 0 : false;
    }

    // ASP.NET json date format regex
    var aspNetRegex = /^(-|\+)?(?:(\d*)[. ])?(\d+):(\d+)(?::(\d+)(\.\d*)?)?$/,
        // from http://docs.closure-library.googlecode.com/git/closure_goog_date_date.js.source.html
        // somewhat more in line with 4.4.3.2 2004 spec, but allows decimal anywhere
        // and further modified to allow for strings containing both week and day
        isoRegex =
            /^(-|\+)?P(?:([-+]?[0-9,.]*)Y)?(?:([-+]?[0-9,.]*)M)?(?:([-+]?[0-9,.]*)W)?(?:([-+]?[0-9,.]*)D)?(?:T(?:([-+]?[0-9,.]*)H)?(?:([-+]?[0-9,.]*)M)?(?:([-+]?[0-9,.]*)S)?)?$/;

    function createDuration(input, key) {
        var duration = input,
            // matching against regexp is expensive, do it on demand
            match = null,
            sign,
            ret,
            diffRes;

        if (isDuration(input)) {
            duration = {
                ms: input._milliseconds,
                d: input._days,
                M: input._months,
            };
        } else if (isNumber(input) || !isNaN(+input)) {
            duration = {};
            if (key) {
                duration[key] = +input;
            } else {
                duration.milliseconds = +input;
            }
        } else if ((match = aspNetRegex.exec(input))) {
            sign = match[1] === '-' ? -1 : 1;
            duration = {
                y: 0,
                d: toInt(match[DATE]) * sign,
                h: toInt(match[HOUR]) * sign,
                m: toInt(match[MINUTE]) * sign,
                s: toInt(match[SECOND]) * sign,
                ms: toInt(absRound(match[MILLISECOND] * 1000)) * sign, // the millisecond decimal point is included in the match
            };
        } else if ((match = isoRegex.exec(input))) {
            sign = match[1] === '-' ? -1 : 1;
            duration = {
                y: parseIso(match[2], sign),
                M: parseIso(match[3], sign),
                w: parseIso(match[4], sign),
                d: parseIso(match[5], sign),
                h: parseIso(match[6], sign),
                m: parseIso(match[7], sign),
                s: parseIso(match[8], sign),
            };
        } else if (duration == null) {
            // checks for null or undefined
            duration = {};
        } else if (
            typeof duration === 'object' &&
            ('from' in duration || 'to' in duration)
        ) {
            diffRes = momentsDifference(
                createLocal(duration.from),
                createLocal(duration.to)
            );

            duration = {};
            duration.ms = diffRes.milliseconds;
            duration.M = diffRes.months;
        }

        ret = new Duration(duration);

        if (isDuration(input) && hasOwnProp(input, '_locale')) {
            ret._locale = input._locale;
        }

        if (isDuration(input) && hasOwnProp(input, '_isValid')) {
            ret._isValid = input._isValid;
        }

        return ret;
    }

    createDuration.fn = Duration.prototype;
    createDuration.invalid = createInvalid$1;

    function parseIso(inp, sign) {
        // We'd normally use ~~inp for this, but unfortunately it also
        // converts floats to ints.
        // inp may be undefined, so careful calling replace on it.
        var res = inp && parseFloat(inp.replace(',', '.'));
        // apply sign while we're at it
        return (isNaN(res) ? 0 : res) * sign;
    }

    function positiveMomentsDifference(base, other) {
        var res = {};

        res.months =
            other.month() - base.month() + (other.year() - base.year()) * 12;
        if (base.clone().add(res.months, 'M').isAfter(other)) {
            --res.months;
        }

        res.milliseconds = +other - +base.clone().add(res.months, 'M');

        return res;
    }

    function momentsDifference(base, other) {
        var res;
        if (!(base.isValid() && other.isValid())) {
            return { milliseconds: 0, months: 0 };
        }

        other = cloneWithOffset(other, base);
        if (base.isBefore(other)) {
            res = positiveMomentsDifference(base, other);
        } else {
            res = positiveMomentsDifference(other, base);
            res.milliseconds = -res.milliseconds;
            res.months = -res.months;
        }

        return res;
    }

    // TODO: remove 'name' arg after deprecation is removed
    function createAdder(direction, name) {
        return function (val, period) {
            var dur, tmp;
            //invert the arguments, but complain about it
            if (period !== null && !isNaN(+period)) {
                deprecateSimple(
                    name,
                    'moment().' +
                        name +
                        '(period, number) is deprecated. Please use moment().' +
                        name +
                        '(number, period). ' +
                        'See http://momentjs.com/guides/#/warnings/add-inverted-param/ for more info.'
                );
                tmp = val;
                val = period;
                period = tmp;
            }

            dur = createDuration(val, period);
            addSubtract(this, dur, direction);
            return this;
        };
    }

    function addSubtract(mom, duration, isAdding, updateOffset) {
        var milliseconds = duration._milliseconds,
            days = absRound(duration._days),
            months = absRound(duration._months);

        if (!mom.isValid()) {
            // No op
            return;
        }

        updateOffset = updateOffset == null ? true : updateOffset;

        if (months) {
            setMonth(mom, get(mom, 'Month') + months * isAdding);
        }
        if (days) {
            set$1(mom, 'Date', get(mom, 'Date') + days * isAdding);
        }
        if (milliseconds) {
            mom._d.setTime(mom._d.valueOf() + milliseconds * isAdding);
        }
        if (updateOffset) {
            hooks.updateOffset(mom, days || months);
        }
    }

    var add = createAdder(1, 'add'),
        subtract = createAdder(-1, 'subtract');

    function isString(input) {
        return typeof input === 'string' || input instanceof String;
    }

    // type MomentInput = Moment | Date | string | number | (number | string)[] | MomentInputObject | void; // null | undefined
    function isMomentInput(input) {
        return (
            isMoment(input) ||
            isDate(input) ||
            isString(input) ||
            isNumber(input) ||
            isNumberOrStringArray(input) ||
            isMomentInputObject(input) ||
            input === null ||
            input === undefined
        );
    }

    function isMomentInputObject(input) {
        var objectTest = isObject(input) && !isObjectEmpty(input),
            propertyTest = false,
            properties = [
                'years',
                'year',
                'y',
                'months',
                'month',
                'M',
                'days',
                'day',
                'd',
                'dates',
                'date',
                'D',
                'hours',
                'hour',
                'h',
                'minutes',
                'minute',
                'm',
                'seconds',
                'second',
                's',
                'milliseconds',
                'millisecond',
                'ms',
            ],
            i,
            property,
            propertyLen = properties.length;

        for (i = 0; i < propertyLen; i += 1) {
            property = properties[i];
            propertyTest = propertyTest || hasOwnProp(input, property);
        }

        return objectTest && propertyTest;
    }

    function isNumberOrStringArray(input) {
        var arrayTest = isArray(input),
            dataTypeTest = false;
        if (arrayTest) {
            dataTypeTest =
                input.filter(function (item) {
                    return !isNumber(item) && isString(input);
                }).length === 0;
        }
        return arrayTest && dataTypeTest;
    }

    function isCalendarSpec(input) {
        var objectTest = isObject(input) && !isObjectEmpty(input),
            propertyTest = false,
            properties = [
                'sameDay',
                'nextDay',
                'lastDay',
                'nextWeek',
                'lastWeek',
                'sameElse',
            ],
            i,
            property;

        for (i = 0; i < properties.length; i += 1) {
            property = properties[i];
            propertyTest = propertyTest || hasOwnProp(input, property);
        }

        return objectTest && propertyTest;
    }

    function getCalendarFormat(myMoment, now) {
        var diff = myMoment.diff(now, 'days', true);
        return diff < -6
            ? 'sameElse'
            : diff < -1
            ? 'lastWeek'
            : diff < 0
            ? 'lastDay'
            : diff < 1
            ? 'sameDay'
            : diff < 2
            ? 'nextDay'
            : diff < 7
            ? 'nextWeek'
            : 'sameElse';
    }

    function calendar$1(time, formats) {
        // Support for single parameter, formats only overload to the calendar function
        if (arguments.length === 1) {
            if (!arguments[0]) {
                time = undefined;
                formats = undefined;
            } else if (isMomentInput(arguments[0])) {
                time = arguments[0];
                formats = undefined;
            } else if (isCalendarSpec(arguments[0])) {
                formats = arguments[0];
                time = undefined;
            }
        }
        // We want to compare the start of today, vs this.
        // Getting start-of-today depends on whether we're local/utc/offset or not.
        var now = time || createLocal(),
            sod = cloneWithOffset(now, this).startOf('day'),
            format = hooks.calendarFormat(this, sod) || 'sameElse',
            output =
                formats &&
                (isFunction(formats[format])
                    ? formats[format].call(this, now)
                    : formats[format]);

        return this.format(
            output || this.localeData().calendar(format, this, createLocal(now))
        );
    }

    function clone() {
        return new Moment(this);
    }

    function isAfter(input, units) {
        var localInput = isMoment(input) ? input : createLocal(input);
        if (!(this.isValid() && localInput.isValid())) {
            return false;
        }
        units = normalizeUnits(units) || 'millisecond';
        if (units === 'millisecond') {
            return this.valueOf() > localInput.valueOf();
        } else {
            return localInput.valueOf() < this.clone().startOf(units).valueOf();
        }
    }

    function isBefore(input, units) {
        var localInput = isMoment(input) ? input : createLocal(input);
        if (!(this.isValid() && localInput.isValid())) {
            return false;
        }
        units = normalizeUnits(units) || 'millisecond';
        if (units === 'millisecond') {
            return this.valueOf() < localInput.valueOf();
        } else {
            return this.clone().endOf(units).valueOf() < localInput.valueOf();
        }
    }

    function isBetween(from, to, units, inclusivity) {
        var localFrom = isMoment(from) ? from : createLocal(from),
            localTo = isMoment(to) ? to : createLocal(to);
        if (!(this.isValid() && localFrom.isValid() && localTo.isValid())) {
            return false;
        }
        inclusivity = inclusivity || '()';
        return (
            (inclusivity[0] === '('
                ? this.isAfter(localFrom, units)
                : !this.isBefore(localFrom, units)) &&
            (inclusivity[1] === ')'
                ? this.isBefore(localTo, units)
                : !this.isAfter(localTo, units))
        );
    }

    function isSame(input, units) {
        var localInput = isMoment(input) ? input : createLocal(input),
            inputMs;
        if (!(this.isValid() && localInput.isValid())) {
            return false;
        }
        units = normalizeUnits(units) || 'millisecond';
        if (units === 'millisecond') {
            return this.valueOf() === localInput.valueOf();
        } else {
            inputMs = localInput.valueOf();
            return (
                this.clone().startOf(units).valueOf() <= inputMs &&
                inputMs <= this.clone().endOf(units).valueOf()
            );
        }
    }

    function isSameOrAfter(input, units) {
        return this.isSame(input, units) || this.isAfter(input, units);
    }

    function isSameOrBefore(input, units) {
        return this.isSame(input, units) || this.isBefore(input, units);
    }

    function diff(input, units, asFloat) {
        var that, zoneDelta, output;

        if (!this.isValid()) {
            return NaN;
        }

        that = cloneWithOffset(input, this);

        if (!that.isValid()) {
            return NaN;
        }

        zoneDelta = (that.utcOffset() - this.utcOffset()) * 6e4;

        units = normalizeUnits(units);

        switch (units) {
            case 'year':
                output = monthDiff(this, that) / 12;
                break;
            case 'month':
                output = monthDiff(this, that);
                break;
            case 'quarter':
                output = monthDiff(this, that) / 3;
                break;
            case 'second':
                output = (this - that) / 1e3;
                break; // 1000
            case 'minute':
                output = (this - that) / 6e4;
                break; // 1000 * 60
            case 'hour':
                output = (this - that) / 36e5;
                break; // 1000 * 60 * 60
            case 'day':
                output = (this - that - zoneDelta) / 864e5;
                break; // 1000 * 60 * 60 * 24, negate dst
            case 'week':
                output = (this - that - zoneDelta) / 6048e5;
                break; // 1000 * 60 * 60 * 24 * 7, negate dst
            default:
                output = this - that;
        }

        return asFloat ? output : absFloor(output);
    }

    function monthDiff(a, b) {
        if (a.date() < b.date()) {
            // end-of-month calculations work correct when the start month has more
            // days than the end month.
            return -monthDiff(b, a);
        }
        // difference in months
        var wholeMonthDiff = (b.year() - a.year()) * 12 + (b.month() - a.month()),
            // b is in (anchor - 1 month, anchor + 1 month)
            anchor = a.clone().add(wholeMonthDiff, 'months'),
            anchor2,
            adjust;

        if (b - anchor < 0) {
            anchor2 = a.clone().add(wholeMonthDiff - 1, 'months');
            // linear across the month
            adjust = (b - anchor) / (anchor - anchor2);
        } else {
            anchor2 = a.clone().add(wholeMonthDiff + 1, 'months');
            // linear across the month
            adjust = (b - anchor) / (anchor2 - anchor);
        }

        //check for negative zero, return zero if negative zero
        return -(wholeMonthDiff + adjust) || 0;
    }

    hooks.defaultFormat = 'YYYY-MM-DDTHH:mm:ssZ';
    hooks.defaultFormatUtc = 'YYYY-MM-DDTHH:mm:ss[Z]';

    function toString() {
        return this.clone().locale('en').format('ddd MMM DD YYYY HH:mm:ss [GMT]ZZ');
    }

    function toISOString(keepOffset) {
        if (!this.isValid()) {
            return null;
        }
        var utc = keepOffset !== true,
            m = utc ? this.clone().utc() : this;
        if (m.year() < 0 || m.year() > 9999) {
            return formatMoment(
                m,
                utc
                    ? 'YYYYYY-MM-DD[T]HH:mm:ss.SSS[Z]'
                    : 'YYYYYY-MM-DD[T]HH:mm:ss.SSSZ'
            );
        }
        if (isFunction(Date.prototype.toISOString)) {
            // native implementation is ~50x faster, use it when we can
            if (utc) {
                return this.toDate().toISOString();
            } else {
                return new Date(this.valueOf() + this.utcOffset() * 60 * 1000)
                    .toISOString()
                    .replace('Z', formatMoment(m, 'Z'));
            }
        }
        return formatMoment(
            m,
            utc ? 'YYYY-MM-DD[T]HH:mm:ss.SSS[Z]' : 'YYYY-MM-DD[T]HH:mm:ss.SSSZ'
        );
    }

    /**
     * Return a human readable representation of a moment that can
     * also be evaluated to get a new moment which is the same
     *
     * @link https://nodejs.org/dist/latest/docs/api/util.html#util_custom_inspect_function_on_objects
     */
    function inspect() {
        if (!this.isValid()) {
            return 'moment.invalid(/* ' + this._i + ' */)';
        }
        var func = 'moment',
            zone = '',
            prefix,
            year,
            datetime,
            suffix;
        if (!this.isLocal()) {
            func = this.utcOffset() === 0 ? 'moment.utc' : 'moment.parseZone';
            zone = 'Z';
        }
        prefix = '[' + func + '("]';
        year = 0 <= this.year() && this.year() <= 9999 ? 'YYYY' : 'YYYYYY';
        datetime = '-MM-DD[T]HH:mm:ss.SSS';
        suffix = zone + '[")]';

        return this.format(prefix + year + datetime + suffix);
    }

    function format(inputString) {
        if (!inputString) {
            inputString = this.isUtc()
                ? hooks.defaultFormatUtc
                : hooks.defaultFormat;
        }
        var output = formatMoment(this, inputString);
        return this.localeData().postformat(output);
    }

    function from(time, withoutSuffix) {
        if (
            this.isValid() &&
            ((isMoment(time) && time.isValid()) || createLocal(time).isValid())
        ) {
            return createDuration({ to: this, from: time })
                .locale(this.locale())
                .humanize(!withoutSuffix);
        } else {
            return this.localeData().invalidDate();
        }
    }

    function fromNow(withoutSuffix) {
        return this.from(createLocal(), withoutSuffix);
    }

    function to(time, withoutSuffix) {
        if (
            this.isValid() &&
            ((isMoment(time) && time.isValid()) || createLocal(time).isValid())
        ) {
            return createDuration({ from: this, to: time })
                .locale(this.locale())
                .humanize(!withoutSuffix);
        } else {
            return this.localeData().invalidDate();
        }
    }

    function toNow(withoutSuffix) {
        return this.to(createLocal(), withoutSuffix);
    }

    // If passed a locale key, it will set the locale for this
    // instance.  Otherwise, it will return the locale configuration
    // variables for this instance.
    function locale(key) {
        var newLocaleData;

        if (key === undefined) {
            return this._locale._abbr;
        } else {
            newLocaleData = getLocale(key);
            if (newLocaleData != null) {
                this._locale = newLocaleData;
            }
            return this;
        }
    }

    var lang = deprecate(
        'moment().lang() is deprecated. Instead, use moment().localeData() to get the language configuration. Use moment().locale() to change languages.',
        function (key) {
            if (key === undefined) {
                return this.localeData();
            } else {
                return this.locale(key);
            }
        }
    );

    function localeData() {
        return this._locale;
    }

    var MS_PER_SECOND = 1000,
        MS_PER_MINUTE = 60 * MS_PER_SECOND,
        MS_PER_HOUR = 60 * MS_PER_MINUTE,
        MS_PER_400_YEARS = (365 * 400 + 97) * 24 * MS_PER_HOUR;

    // actual modulo - handles negative numbers (for dates before 1970):
    function mod$1(dividend, divisor) {
        return ((dividend % divisor) + divisor) % divisor;
    }

    function localStartOfDate(y, m, d) {
        // the date constructor remaps years 0-99 to 1900-1999
        if (y < 100 && y >= 0) {
            // preserve leap years using a full 400 year cycle, then reset
            return new Date(y + 400, m, d) - MS_PER_400_YEARS;
        } else {
            return new Date(y, m, d).valueOf();
        }
    }

    function utcStartOfDate(y, m, d) {
        // Date.UTC remaps years 0-99 to 1900-1999
        if (y < 100 && y >= 0) {
            // preserve leap years using a full 400 year cycle, then reset
            return Date.UTC(y + 400, m, d) - MS_PER_400_YEARS;
        } else {
            return Date.UTC(y, m, d);
        }
    }

    function startOf(units) {
        var time, startOfDate;
        units = normalizeUnits(units);
        if (units === undefined || units === 'millisecond' || !this.isValid()) {
            return this;
        }

        startOfDate = this._isUTC ? utcStartOfDate : localStartOfDate;

        switch (units) {
            case 'year':
                time = startOfDate(this.year(), 0, 1);
                break;
            case 'quarter':
                time = startOfDate(
                    this.year(),
                    this.month() - (this.month() % 3),
                    1
                );
                break;
            case 'month':
                time = startOfDate(this.year(), this.month(), 1);
                break;
            case 'week':
                time = startOfDate(
                    this.year(),
                    this.month(),
                    this.date() - this.weekday()
                );
                break;
            case 'isoWeek':
                time = startOfDate(
                    this.year(),
                    this.month(),
                    this.date() - (this.isoWeekday() - 1)
                );
                break;
            case 'day':
            case 'date':
                time = startOfDate(this.year(), this.month(), this.date());
                break;
            case 'hour':
                time = this._d.valueOf();
                time -= mod$1(
                    time + (this._isUTC ? 0 : this.utcOffset() * MS_PER_MINUTE),
                    MS_PER_HOUR
                );
                break;
            case 'minute':
                time = this._d.valueOf();
                time -= mod$1(time, MS_PER_MINUTE);
                break;
            case 'second':
                time = this._d.valueOf();
                time -= mod$1(time, MS_PER_SECOND);
                break;
        }

        this._d.setTime(time);
        hooks.updateOffset(this, true);
        return this;
    }

    function endOf(units) {
        var time, startOfDate;
        units = normalizeUnits(units);
        if (units === undefined || units === 'millisecond' || !this.isValid()) {
            return this;
        }

        startOfDate = this._isUTC ? utcStartOfDate : localStartOfDate;

        switch (units) {
            case 'year':
                time = startOfDate(this.year() + 1, 0, 1) - 1;
                break;
            case 'quarter':
                time =
                    startOfDate(
                        this.year(),
                        this.month() - (this.month() % 3) + 3,
                        1
                    ) - 1;
                break;
            case 'month':
                time = startOfDate(this.year(), this.month() + 1, 1) - 1;
                break;
            case 'week':
                time =
                    startOfDate(
                        this.year(),
                        this.month(),
                        this.date() - this.weekday() + 7
                    ) - 1;
                break;
            case 'isoWeek':
                time =
                    startOfDate(
                        this.year(),
                        this.month(),
                        this.date() - (this.isoWeekday() - 1) + 7
                    ) - 1;
                break;
            case 'day':
            case 'date':
                time = startOfDate(this.year(), this.month(), this.date() + 1) - 1;
                break;
            case 'hour':
                time = this._d.valueOf();
                time +=
                    MS_PER_HOUR -
                    mod$1(
                        time + (this._isUTC ? 0 : this.utcOffset() * MS_PER_MINUTE),
                        MS_PER_HOUR
                    ) -
                    1;
                break;
            case 'minute':
                time = this._d.valueOf();
                time += MS_PER_MINUTE - mod$1(time, MS_PER_MINUTE) - 1;
                break;
            case 'second':
                time = this._d.valueOf();
                time += MS_PER_SECOND - mod$1(time, MS_PER_SECOND) - 1;
                break;
        }

        this._d.setTime(time);
        hooks.updateOffset(this, true);
        return this;
    }

    function valueOf() {
        return this._d.valueOf() - (this._offset || 0) * 60000;
    }

    function unix() {
        return Math.floor(this.valueOf() / 1000);
    }

    function toDate() {
        return new Date(this.valueOf());
    }

    function toArray() {
        var m = this;
        return [
            m.year(),
            m.month(),
            m.date(),
            m.hour(),
            m.minute(),
            m.second(),
            m.millisecond(),
        ];
    }

    function toObject() {
        var m = this;
        return {
            years: m.year(),
            months: m.month(),
            date: m.date(),
            hours: m.hours(),
            minutes: m.minutes(),
            seconds: m.seconds(),
            milliseconds: m.milliseconds(),
        };
    }

    function toJSON() {
        // new Date(NaN).toJSON() === null
        return this.isValid() ? this.toISOString() : null;
    }

    function isValid$2() {
        return isValid(this);
    }

    function parsingFlags() {
        return extend({}, getParsingFlags(this));
    }

    function invalidAt() {
        return getParsingFlags(this).overflow;
    }

    function creationData() {
        return {
            input: this._i,
            format: this._f,
            locale: this._locale,
            isUTC: this._isUTC,
            strict: this._strict,
        };
    }

    addFormatToken('N', 0, 0, 'eraAbbr');
    addFormatToken('NN', 0, 0, 'eraAbbr');
    addFormatToken('NNN', 0, 0, 'eraAbbr');
    addFormatToken('NNNN', 0, 0, 'eraName');
    addFormatToken('NNNNN', 0, 0, 'eraNarrow');

    addFormatToken('y', ['y', 1], 'yo', 'eraYear');
    addFormatToken('y', ['yy', 2], 0, 'eraYear');
    addFormatToken('y', ['yyy', 3], 0, 'eraYear');
    addFormatToken('y', ['yyyy', 4], 0, 'eraYear');

    addRegexToken('N', matchEraAbbr);
    addRegexToken('NN', matchEraAbbr);
    addRegexToken('NNN', matchEraAbbr);
    addRegexToken('NNNN', matchEraName);
    addRegexToken('NNNNN', matchEraNarrow);

    addParseToken(
        ['N', 'NN', 'NNN', 'NNNN', 'NNNNN'],
        function (input, array, config, token) {
            var era = config._locale.erasParse(input, token, config._strict);
            if (era) {
                getParsingFlags(config).era = era;
            } else {
                getParsingFlags(config).invalidEra = input;
            }
        }
    );

    addRegexToken('y', matchUnsigned);
    addRegexToken('yy', matchUnsigned);
    addRegexToken('yyy', matchUnsigned);
    addRegexToken('yyyy', matchUnsigned);
    addRegexToken('yo', matchEraYearOrdinal);

    addParseToken(['y', 'yy', 'yyy', 'yyyy'], YEAR);
    addParseToken(['yo'], function (input, array, config, token) {
        var match;
        if (config._locale._eraYearOrdinalRegex) {
            match = input.match(config._locale._eraYearOrdinalRegex);
        }

        if (config._locale.eraYearOrdinalParse) {
            array[YEAR] = config._locale.eraYearOrdinalParse(input, match);
        } else {
            array[YEAR] = parseInt(input, 10);
        }
    });

    function localeEras(m, format) {
        var i,
            l,
            date,
            eras = this._eras || getLocale('en')._eras;
        for (i = 0, l = eras.length; i < l; ++i) {
            switch (typeof eras[i].since) {
                case 'string':
                    // truncate time
                    date = hooks(eras[i].since).startOf('day');
                    eras[i].since = date.valueOf();
                    break;
            }

            switch (typeof eras[i].until) {
                case 'undefined':
                    eras[i].until = +Infinity;
                    break;
                case 'string':
                    // truncate time
                    date = hooks(eras[i].until).startOf('day').valueOf();
                    eras[i].until = date.valueOf();
                    break;
            }
        }
        return eras;
    }

    function localeErasParse(eraName, format, strict) {
        var i,
            l,
            eras = this.eras(),
            name,
            abbr,
            narrow;
        eraName = eraName.toUpperCase();

        for (i = 0, l = eras.length; i < l; ++i) {
            name = eras[i].name.toUpperCase();
            abbr = eras[i].abbr.toUpperCase();
            narrow = eras[i].narrow.toUpperCase();

            if (strict) {
                switch (format) {
                    case 'N':
                    case 'NN':
                    case 'NNN':
                        if (abbr === eraName) {
                            return eras[i];
                        }
                        break;

                    case 'NNNN':
                        if (name === eraName) {
                            return eras[i];
                        }
                        break;

                    case 'NNNNN':
                        if (narrow === eraName) {
                            return eras[i];
                        }
                        break;
                }
            } else if ([name, abbr, narrow].indexOf(eraName) >= 0) {
                return eras[i];
            }
        }
    }

    function localeErasConvertYear(era, year) {
        var dir = era.since <= era.until ? +1 : -1;
        if (year === undefined) {
            return hooks(era.since).year();
        } else {
            return hooks(era.since).year() + (year - era.offset) * dir;
        }
    }

    function getEraName() {
        var i,
            l,
            val,
            eras = this.localeData().eras();
        for (i = 0, l = eras.length; i < l; ++i) {
            // truncate time
            val = this.clone().startOf('day').valueOf();

            if (eras[i].since <= val && val <= eras[i].until) {
                return eras[i].name;
            }
            if (eras[i].until <= val && val <= eras[i].since) {
                return eras[i].name;
            }
        }

        return '';
    }

    function getEraNarrow() {
        var i,
            l,
            val,
            eras = this.localeData().eras();
        for (i = 0, l = eras.length; i < l; ++i) {
            // truncate time
            val = this.clone().startOf('day').valueOf();

            if (eras[i].since <= val && val <= eras[i].until) {
                return eras[i].narrow;
            }
            if (eras[i].until <= val && val <= eras[i].since) {
                return eras[i].narrow;
            }
        }

        return '';
    }

    function getEraAbbr() {
        var i,
            l,
            val,
            eras = this.localeData().eras();
        for (i = 0, l = eras.length; i < l; ++i) {
            // truncate time
            val = this.clone().startOf('day').valueOf();

            if (eras[i].since <= val && val <= eras[i].until) {
                return eras[i].abbr;
            }
            if (eras[i].until <= val && val <= eras[i].since) {
                return eras[i].abbr;
            }
        }

        return '';
    }

    function getEraYear() {
        var i,
            l,
            dir,
            val,
            eras = this.localeData().eras();
        for (i = 0, l = eras.length; i < l; ++i) {
            dir = eras[i].since <= eras[i].until ? +1 : -1;

            // truncate time
            val = this.clone().startOf('day').valueOf();

            if (
                (eras[i].since <= val && val <= eras[i].until) ||
                (eras[i].until <= val && val <= eras[i].since)
            ) {
                return (
                    (this.year() - hooks(eras[i].since).year()) * dir +
                    eras[i].offset
                );
            }
        }

        return this.year();
    }

    function erasNameRegex(isStrict) {
        if (!hasOwnProp(this, '_erasNameRegex')) {
            computeErasParse.call(this);
        }
        return isStrict ? this._erasNameRegex : this._erasRegex;
    }

    function erasAbbrRegex(isStrict) {
        if (!hasOwnProp(this, '_erasAbbrRegex')) {
            computeErasParse.call(this);
        }
        return isStrict ? this._erasAbbrRegex : this._erasRegex;
    }

    function erasNarrowRegex(isStrict) {
        if (!hasOwnProp(this, '_erasNarrowRegex')) {
            computeErasParse.call(this);
        }
        return isStrict ? this._erasNarrowRegex : this._erasRegex;
    }

    function matchEraAbbr(isStrict, locale) {
        return locale.erasAbbrRegex(isStrict);
    }

    function matchEraName(isStrict, locale) {
        return locale.erasNameRegex(isStrict);
    }

    function matchEraNarrow(isStrict, locale) {
        return locale.erasNarrowRegex(isStrict);
    }

    function matchEraYearOrdinal(isStrict, locale) {
        return locale._eraYearOrdinalRegex || matchUnsigned;
    }

    function computeErasParse() {
        var abbrPieces = [],
            namePieces = [],
            narrowPieces = [],
            mixedPieces = [],
            i,
            l,
            eras = this.eras();

        for (i = 0, l = eras.length; i < l; ++i) {
            namePieces.push(regexEscape(eras[i].name));
            abbrPieces.push(regexEscape(eras[i].abbr));
            narrowPieces.push(regexEscape(eras[i].narrow));

            mixedPieces.push(regexEscape(eras[i].name));
            mixedPieces.push(regexEscape(eras[i].abbr));
            mixedPieces.push(regexEscape(eras[i].narrow));
        }

        this._erasRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i');
        this._erasNameRegex = new RegExp('^(' + namePieces.join('|') + ')', 'i');
        this._erasAbbrRegex = new RegExp('^(' + abbrPieces.join('|') + ')', 'i');
        this._erasNarrowRegex = new RegExp(
            '^(' + narrowPieces.join('|') + ')',
            'i'
        );
    }

    // FORMATTING

    addFormatToken(0, ['gg', 2], 0, function () {
        return this.weekYear() % 100;
    });

    addFormatToken(0, ['GG', 2], 0, function () {
        return this.isoWeekYear() % 100;
    });

    function addWeekYearFormatToken(token, getter) {
        addFormatToken(0, [token, token.length], 0, getter);
    }

    addWeekYearFormatToken('gggg', 'weekYear');
    addWeekYearFormatToken('ggggg', 'weekYear');
    addWeekYearFormatToken('GGGG', 'isoWeekYear');
    addWeekYearFormatToken('GGGGG', 'isoWeekYear');

    // ALIASES

    addUnitAlias('weekYear', 'gg');
    addUnitAlias('isoWeekYear', 'GG');

    // PRIORITY

    addUnitPriority('weekYear', 1);
    addUnitPriority('isoWeekYear', 1);

    // PARSING

    addRegexToken('G', matchSigned);
    addRegexToken('g', matchSigned);
    addRegexToken('GG', match1to2, match2);
    addRegexToken('gg', match1to2, match2);
    addRegexToken('GGGG', match1to4, match4);
    addRegexToken('gggg', match1to4, match4);
    addRegexToken('GGGGG', match1to6, match6);
    addRegexToken('ggggg', match1to6, match6);

    addWeekParseToken(
        ['gggg', 'ggggg', 'GGGG', 'GGGGG'],
        function (input, week, config, token) {
            week[token.substr(0, 2)] = toInt(input);
        }
    );

    addWeekParseToken(['gg', 'GG'], function (input, week, config, token) {
        week[token] = hooks.parseTwoDigitYear(input);
    });

    // MOMENTS

    function getSetWeekYear(input) {
        return getSetWeekYearHelper.call(
            this,
            input,
            this.week(),
            this.weekday(),
            this.localeData()._week.dow,
            this.localeData()._week.doy
        );
    }

    function getSetISOWeekYear(input) {
        return getSetWeekYearHelper.call(
            this,
            input,
            this.isoWeek(),
            this.isoWeekday(),
            1,
            4
        );
    }

    function getISOWeeksInYear() {
        return weeksInYear(this.year(), 1, 4);
    }

    function getISOWeeksInISOWeekYear() {
        return weeksInYear(this.isoWeekYear(), 1, 4);
    }

    function getWeeksInYear() {
        var weekInfo = this.localeData()._week;
        return weeksInYear(this.year(), weekInfo.dow, weekInfo.doy);
    }

    function getWeeksInWeekYear() {
        var weekInfo = this.localeData()._week;
        return weeksInYear(this.weekYear(), weekInfo.dow, weekInfo.doy);
    }

    function getSetWeekYearHelper(input, week, weekday, dow, doy) {
        var weeksTarget;
        if (input == null) {
            return weekOfYear(this, dow, doy).year;
        } else {
            weeksTarget = weeksInYear(input, dow, doy);
            if (week > weeksTarget) {
                week = weeksTarget;
            }
            return setWeekAll.call(this, input, week, weekday, dow, doy);
        }
    }

    function setWeekAll(weekYear, week, weekday, dow, doy) {
        var dayOfYearData = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy),
            date = createUTCDate(dayOfYearData.year, 0, dayOfYearData.dayOfYear);

        this.year(date.getUTCFullYear());
        this.month(date.getUTCMonth());
        this.date(date.getUTCDate());
        return this;
    }

    // FORMATTING

    addFormatToken('Q', 0, 'Qo', 'quarter');

    // ALIASES

    addUnitAlias('quarter', 'Q');

    // PRIORITY

    addUnitPriority('quarter', 7);

    // PARSING

    addRegexToken('Q', match1);
    addParseToken('Q', function (input, array) {
        array[MONTH] = (toInt(input) - 1) * 3;
    });

    // MOMENTS

    function getSetQuarter(input) {
        return input == null
            ? Math.ceil((this.month() + 1) / 3)
            : this.month((input - 1) * 3 + (this.month() % 3));
    }

    // FORMATTING

    addFormatToken('D', ['DD', 2], 'Do', 'date');

    // ALIASES

    addUnitAlias('date', 'D');

    // PRIORITY
    addUnitPriority('date', 9);

    // PARSING

    addRegexToken('D', match1to2);
    addRegexToken('DD', match1to2, match2);
    addRegexToken('Do', function (isStrict, locale) {
        // TODO: Remove "ordinalParse" fallback in next major release.
        return isStrict
            ? locale._dayOfMonthOrdinalParse || locale._ordinalParse
            : locale._dayOfMonthOrdinalParseLenient;
    });

    addParseToken(['D', 'DD'], DATE);
    addParseToken('Do', function (input, array) {
        array[DATE] = toInt(input.match(match1to2)[0]);
    });

    // MOMENTS

    var getSetDayOfMonth = makeGetSet('Date', true);

    // FORMATTING

    addFormatToken('DDD', ['DDDD', 3], 'DDDo', 'dayOfYear');

    // ALIASES

    addUnitAlias('dayOfYear', 'DDD');

    // PRIORITY
    addUnitPriority('dayOfYear', 4);

    // PARSING

    addRegexToken('DDD', match1to3);
    addRegexToken('DDDD', match3);
    addParseToken(['DDD', 'DDDD'], function (input, array, config) {
        config._dayOfYear = toInt(input);
    });

    // HELPERS

    // MOMENTS

    function getSetDayOfYear(input) {
        var dayOfYear =
            Math.round(
                (this.clone().startOf('day') - this.clone().startOf('year')) / 864e5
            ) + 1;
        return input == null ? dayOfYear : this.add(input - dayOfYear, 'd');
    }

    // FORMATTING

    addFormatToken('m', ['mm', 2], 0, 'minute');

    // ALIASES

    addUnitAlias('minute', 'm');

    // PRIORITY

    addUnitPriority('minute', 14);

    // PARSING

    addRegexToken('m', match1to2);
    addRegexToken('mm', match1to2, match2);
    addParseToken(['m', 'mm'], MINUTE);

    // MOMENTS

    var getSetMinute = makeGetSet('Minutes', false);

    // FORMATTING

    addFormatToken('s', ['ss', 2], 0, 'second');

    // ALIASES

    addUnitAlias('second', 's');

    // PRIORITY

    addUnitPriority('second', 15);

    // PARSING

    addRegexToken('s', match1to2);
    addRegexToken('ss', match1to2, match2);
    addParseToken(['s', 'ss'], SECOND);

    // MOMENTS

    var getSetSecond = makeGetSet('Seconds', false);

    // FORMATTING

    addFormatToken('S', 0, 0, function () {
        return ~~(this.millisecond() / 100);
    });

    addFormatToken(0, ['SS', 2], 0, function () {
        return ~~(this.millisecond() / 10);
    });

    addFormatToken(0, ['SSS', 3], 0, 'millisecond');
    addFormatToken(0, ['SSSS', 4], 0, function () {
        return this.millisecond() * 10;
    });
    addFormatToken(0, ['SSSSS', 5], 0, function () {
        return this.millisecond() * 100;
    });
    addFormatToken(0, ['SSSSSS', 6], 0, function () {
        return this.millisecond() * 1000;
    });
    addFormatToken(0, ['SSSSSSS', 7], 0, function () {
        return this.millisecond() * 10000;
    });
    addFormatToken(0, ['SSSSSSSS', 8], 0, function () {
        return this.millisecond() * 100000;
    });
    addFormatToken(0, ['SSSSSSSSS', 9], 0, function () {
        return this.millisecond() * 1000000;
    });

    // ALIASES

    addUnitAlias('millisecond', 'ms');

    // PRIORITY

    addUnitPriority('millisecond', 16);

    // PARSING

    addRegexToken('S', match1to3, match1);
    addRegexToken('SS', match1to3, match2);
    addRegexToken('SSS', match1to3, match3);

    var token, getSetMillisecond;
    for (token = 'SSSS'; token.length <= 9; token += 'S') {
        addRegexToken(token, matchUnsigned);
    }

    function parseMs(input, array) {
        array[MILLISECOND] = toInt(('0.' + input) * 1000);
    }

    for (token = 'S'; token.length <= 9; token += 'S') {
        addParseToken(token, parseMs);
    }

    getSetMillisecond = makeGetSet('Milliseconds', false);

    // FORMATTING

    addFormatToken('z', 0, 0, 'zoneAbbr');
    addFormatToken('zz', 0, 0, 'zoneName');

    // MOMENTS

    function getZoneAbbr() {
        return this._isUTC ? 'UTC' : '';
    }

    function getZoneName() {
        return this._isUTC ? 'Coordinated Universal Time' : '';
    }

    var proto = Moment.prototype;

    proto.add = add;
    proto.calendar = calendar$1;
    proto.clone = clone;
    proto.diff = diff;
    proto.endOf = endOf;
    proto.format = format;
    proto.from = from;
    proto.fromNow = fromNow;
    proto.to = to;
    proto.toNow = toNow;
    proto.get = stringGet;
    proto.invalidAt = invalidAt;
    proto.isAfter = isAfter;
    proto.isBefore = isBefore;
    proto.isBetween = isBetween;
    proto.isSame = isSame;
    proto.isSameOrAfter = isSameOrAfter;
    proto.isSameOrBefore = isSameOrBefore;
    proto.isValid = isValid$2;
    proto.lang = lang;
    proto.locale = locale;
    proto.localeData = localeData;
    proto.max = prototypeMax;
    proto.min = prototypeMin;
    proto.parsingFlags = parsingFlags;
    proto.set = stringSet;
    proto.startOf = startOf;
    proto.subtract = subtract;
    proto.toArray = toArray;
    proto.toObject = toObject;
    proto.toDate = toDate;
    proto.toISOString = toISOString;
    proto.inspect = inspect;
    if (typeof Symbol !== 'undefined' && Symbol.for != null) {
        proto[Symbol.for('nodejs.util.inspect.custom')] = function () {
            return 'Moment<' + this.format() + '>';
        };
    }
    proto.toJSON = toJSON;
    proto.toString = toString;
    proto.unix = unix;
    proto.valueOf = valueOf;
    proto.creationData = creationData;
    proto.eraName = getEraName;
    proto.eraNarrow = getEraNarrow;
    proto.eraAbbr = getEraAbbr;
    proto.eraYear = getEraYear;
    proto.year = getSetYear;
    proto.isLeapYear = getIsLeapYear;
    proto.weekYear = getSetWeekYear;
    proto.isoWeekYear = getSetISOWeekYear;
    proto.quarter = proto.quarters = getSetQuarter;
    proto.month = getSetMonth;
    proto.daysInMonth = getDaysInMonth;
    proto.week = proto.weeks = getSetWeek;
    proto.isoWeek = proto.isoWeeks = getSetISOWeek;
    proto.weeksInYear = getWeeksInYear;
    proto.weeksInWeekYear = getWeeksInWeekYear;
    proto.isoWeeksInYear = getISOWeeksInYear;
    proto.isoWeeksInISOWeekYear = getISOWeeksInISOWeekYear;
    proto.date = getSetDayOfMonth;
    proto.day = proto.days = getSetDayOfWeek;
    proto.weekday = getSetLocaleDayOfWeek;
    proto.isoWeekday = getSetISODayOfWeek;
    proto.dayOfYear = getSetDayOfYear;
    proto.hour = proto.hours = getSetHour;
    proto.minute = proto.minutes = getSetMinute;
    proto.second = proto.seconds = getSetSecond;
    proto.millisecond = proto.milliseconds = getSetMillisecond;
    proto.utcOffset = getSetOffset;
    proto.utc = setOffsetToUTC;
    proto.local = setOffsetToLocal;
    proto.parseZone = setOffsetToParsedOffset;
    proto.hasAlignedHourOffset = hasAlignedHourOffset;
    proto.isDST = isDaylightSavingTime;
    proto.isLocal = isLocal;
    proto.isUtcOffset = isUtcOffset;
    proto.isUtc = isUtc;
    proto.isUTC = isUtc;
    proto.zoneAbbr = getZoneAbbr;
    proto.zoneName = getZoneName;
    proto.dates = deprecate(
        'dates accessor is deprecated. Use date instead.',
        getSetDayOfMonth
    );
    proto.months = deprecate(
        'months accessor is deprecated. Use month instead',
        getSetMonth
    );
    proto.years = deprecate(
        'years accessor is deprecated. Use year instead',
        getSetYear
    );
    proto.zone = deprecate(
        'moment().zone is deprecated, use moment().utcOffset instead. http://momentjs.com/guides/#/warnings/zone/',
        getSetZone
    );
    proto.isDSTShifted = deprecate(
        'isDSTShifted is deprecated. See http://momentjs.com/guides/#/warnings/dst-shifted/ for more information',
        isDaylightSavingTimeShifted
    );

    function createUnix(input) {
        return createLocal(input * 1000);
    }

    function createInZone() {
        return createLocal.apply(null, arguments).parseZone();
    }

    function preParsePostFormat(string) {
        return string;
    }

    var proto$1 = Locale.prototype;

    proto$1.calendar = calendar;
    proto$1.longDateFormat = longDateFormat;
    proto$1.invalidDate = invalidDate;
    proto$1.ordinal = ordinal;
    proto$1.preparse = preParsePostFormat;
    proto$1.postformat = preParsePostFormat;
    proto$1.relativeTime = relativeTime;
    proto$1.pastFuture = pastFuture;
    proto$1.set = set;
    proto$1.eras = localeEras;
    proto$1.erasParse = localeErasParse;
    proto$1.erasConvertYear = localeErasConvertYear;
    proto$1.erasAbbrRegex = erasAbbrRegex;
    proto$1.erasNameRegex = erasNameRegex;
    proto$1.erasNarrowRegex = erasNarrowRegex;

    proto$1.months = localeMonths;
    proto$1.monthsShort = localeMonthsShort;
    proto$1.monthsParse = localeMonthsParse;
    proto$1.monthsRegex = monthsRegex;
    proto$1.monthsShortRegex = monthsShortRegex;
    proto$1.week = localeWeek;
    proto$1.firstDayOfYear = localeFirstDayOfYear;
    proto$1.firstDayOfWeek = localeFirstDayOfWeek;

    proto$1.weekdays = localeWeekdays;
    proto$1.weekdaysMin = localeWeekdaysMin;
    proto$1.weekdaysShort = localeWeekdaysShort;
    proto$1.weekdaysParse = localeWeekdaysParse;

    proto$1.weekdaysRegex = weekdaysRegex;
    proto$1.weekdaysShortRegex = weekdaysShortRegex;
    proto$1.weekdaysMinRegex = weekdaysMinRegex;

    proto$1.isPM = localeIsPM;
    proto$1.meridiem = localeMeridiem;

    function get$1(format, index, field, setter) {
        var locale = getLocale(),
            utc = createUTC().set(setter, index);
        return locale[field](utc, format);
    }

    function listMonthsImpl(format, index, field) {
        if (isNumber(format)) {
            index = format;
            format = undefined;
        }

        format = format || '';

        if (index != null) {
            return get$1(format, index, field, 'month');
        }

        var i,
            out = [];
        for (i = 0; i < 12; i++) {
            out[i] = get$1(format, i, field, 'month');
        }
        return out;
    }

    // ()
    // (5)
    // (fmt, 5)
    // (fmt)
    // (true)
    // (true, 5)
    // (true, fmt, 5)
    // (true, fmt)
    function listWeekdaysImpl(localeSorted, format, index, field) {
        if (typeof localeSorted === 'boolean') {
            if (isNumber(format)) {
                index = format;
                format = undefined;
            }

            format = format || '';
        } else {
            format = localeSorted;
            index = format;
            localeSorted = false;

            if (isNumber(format)) {
                index = format;
                format = undefined;
            }

            format = format || '';
        }

        var locale = getLocale(),
            shift = localeSorted ? locale._week.dow : 0,
            i,
            out = [];

        if (index != null) {
            return get$1(format, (index + shift) % 7, field, 'day');
        }

        for (i = 0; i < 7; i++) {
            out[i] = get$1(format, (i + shift) % 7, field, 'day');
        }
        return out;
    }

    function listMonths(format, index) {
        return listMonthsImpl(format, index, 'months');
    }

    function listMonthsShort(format, index) {
        return listMonthsImpl(format, index, 'monthsShort');
    }

    function listWeekdays(localeSorted, format, index) {
        return listWeekdaysImpl(localeSorted, format, index, 'weekdays');
    }

    function listWeekdaysShort(localeSorted, format, index) {
        return listWeekdaysImpl(localeSorted, format, index, 'weekdaysShort');
    }

    function listWeekdaysMin(localeSorted, format, index) {
        return listWeekdaysImpl(localeSorted, format, index, 'weekdaysMin');
    }

    getSetGlobalLocale('en', {
        eras: [
            {
                since: '0001-01-01',
                until: +Infinity,
                offset: 1,
                name: 'Anno Domini',
                narrow: 'AD',
                abbr: 'AD',
            },
            {
                since: '0000-12-31',
                until: -Infinity,
                offset: 1,
                name: 'Before Christ',
                narrow: 'BC',
                abbr: 'BC',
            },
        ],
        dayOfMonthOrdinalParse: /\d{1,2}(th|st|nd|rd)/,
        ordinal: function (number) {
            var b = number % 10,
                output =
                    toInt((number % 100) / 10) === 1
                        ? 'th'
                        : b === 1
                        ? 'st'
                        : b === 2
                        ? 'nd'
                        : b === 3
                        ? 'rd'
                        : 'th';
            return number + output;
        },
    });

    // Side effect imports

    hooks.lang = deprecate(
        'moment.lang is deprecated. Use moment.locale instead.',
        getSetGlobalLocale
    );
    hooks.langData = deprecate(
        'moment.langData is deprecated. Use moment.localeData instead.',
        getLocale
    );

    var mathAbs = Math.abs;

    function abs() {
        var data = this._data;

        this._milliseconds = mathAbs(this._milliseconds);
        this._days = mathAbs(this._days);
        this._months = mathAbs(this._months);

        data.milliseconds = mathAbs(data.milliseconds);
        data.seconds = mathAbs(data.seconds);
        data.minutes = mathAbs(data.minutes);
        data.hours = mathAbs(data.hours);
        data.months = mathAbs(data.months);
        data.years = mathAbs(data.years);

        return this;
    }

    function addSubtract$1(duration, input, value, direction) {
        var other = createDuration(input, value);

        duration._milliseconds += direction * other._milliseconds;
        duration._days += direction * other._days;
        duration._months += direction * other._months;

        return duration._bubble();
    }

    // supports only 2.0-style add(1, 's') or add(duration)
    function add$1(input, value) {
        return addSubtract$1(this, input, value, 1);
    }

    // supports only 2.0-style subtract(1, 's') or subtract(duration)
    function subtract$1(input, value) {
        return addSubtract$1(this, input, value, -1);
    }

    function absCeil(number) {
        if (number < 0) {
            return Math.floor(number);
        } else {
            return Math.ceil(number);
        }
    }

    function bubble() {
        var milliseconds = this._milliseconds,
            days = this._days,
            months = this._months,
            data = this._data,
            seconds,
            minutes,
            hours,
            years,
            monthsFromDays;

        // if we have a mix of positive and negative values, bubble down first
        // check: https://github.com/moment/moment/issues/2166
        if (
            !(
                (milliseconds >= 0 && days >= 0 && months >= 0) ||
                (milliseconds <= 0 && days <= 0 && months <= 0)
            )
        ) {
            milliseconds += absCeil(monthsToDays(months) + days) * 864e5;
            days = 0;
            months = 0;
        }

        // The following code bubbles up values, see the tests for
        // examples of what that means.
        data.milliseconds = milliseconds % 1000;

        seconds = absFloor(milliseconds / 1000);
        data.seconds = seconds % 60;

        minutes = absFloor(seconds / 60);
        data.minutes = minutes % 60;

        hours = absFloor(minutes / 60);
        data.hours = hours % 24;

        days += absFloor(hours / 24);

        // convert days to months
        monthsFromDays = absFloor(daysToMonths(days));
        months += monthsFromDays;
        days -= absCeil(monthsToDays(monthsFromDays));

        // 12 months -> 1 year
        years = absFloor(months / 12);
        months %= 12;

        data.days = days;
        data.months = months;
        data.years = years;

        return this;
    }

    function daysToMonths(days) {
        // 400 years have 146097 days (taking into account leap year rules)
        // 400 years have 12 months === 4800
        return (days * 4800) / 146097;
    }

    function monthsToDays(months) {
        // the reverse of daysToMonths
        return (months * 146097) / 4800;
    }

    function as(units) {
        if (!this.isValid()) {
            return NaN;
        }
        var days,
            months,
            milliseconds = this._milliseconds;

        units = normalizeUnits(units);

        if (units === 'month' || units === 'quarter' || units === 'year') {
            days = this._days + milliseconds / 864e5;
            months = this._months + daysToMonths(days);
            switch (units) {
                case 'month':
                    return months;
                case 'quarter':
                    return months / 3;
                case 'year':
                    return months / 12;
            }
        } else {
            // handle milliseconds separately because of floating point math errors (issue #1867)
            days = this._days + Math.round(monthsToDays(this._months));
            switch (units) {
                case 'week':
                    return days / 7 + milliseconds / 6048e5;
                case 'day':
                    return days + milliseconds / 864e5;
                case 'hour':
                    return days * 24 + milliseconds / 36e5;
                case 'minute':
                    return days * 1440 + milliseconds / 6e4;
                case 'second':
                    return days * 86400 + milliseconds / 1000;
                // Math.floor prevents floating point math errors here
                case 'millisecond':
                    return Math.floor(days * 864e5) + milliseconds;
                default:
                    throw new Error('Unknown unit ' + units);
            }
        }
    }

    // TODO: Use this.as('ms')?
    function valueOf$1() {
        if (!this.isValid()) {
            return NaN;
        }
        return (
            this._milliseconds +
            this._days * 864e5 +
            (this._months % 12) * 2592e6 +
            toInt(this._months / 12) * 31536e6
        );
    }

    function makeAs(alias) {
        return function () {
            return this.as(alias);
        };
    }

    var asMilliseconds = makeAs('ms'),
        asSeconds = makeAs('s'),
        asMinutes = makeAs('m'),
        asHours = makeAs('h'),
        asDays = makeAs('d'),
        asWeeks = makeAs('w'),
        asMonths = makeAs('M'),
        asQuarters = makeAs('Q'),
        asYears = makeAs('y');

    function clone$1() {
        return createDuration(this);
    }

    function get$2(units) {
        units = normalizeUnits(units);
        return this.isValid() ? this[units + 's']() : NaN;
    }

    function makeGetter(name) {
        return function () {
            return this.isValid() ? this._data[name] : NaN;
        };
    }

    var milliseconds = makeGetter('milliseconds'),
        seconds = makeGetter('seconds'),
        minutes = makeGetter('minutes'),
        hours = makeGetter('hours'),
        days = makeGetter('days'),
        months = makeGetter('months'),
        years = makeGetter('years');

    function weeks() {
        return absFloor(this.days() / 7);
    }

    var round = Math.round,
        thresholds = {
            ss: 44, // a few seconds to seconds
            s: 45, // seconds to minute
            m: 45, // minutes to hour
            h: 22, // hours to day
            d: 26, // days to month/week
            w: null, // weeks to month
            M: 11, // months to year
        };

    // helper function for moment.fn.from, moment.fn.fromNow, and moment.duration.fn.humanize
    function substituteTimeAgo(string, number, withoutSuffix, isFuture, locale) {
        return locale.relativeTime(number || 1, !!withoutSuffix, string, isFuture);
    }

    function relativeTime$1(posNegDuration, withoutSuffix, thresholds, locale) {
        var duration = createDuration(posNegDuration).abs(),
            seconds = round(duration.as('s')),
            minutes = round(duration.as('m')),
            hours = round(duration.as('h')),
            days = round(duration.as('d')),
            months = round(duration.as('M')),
            weeks = round(duration.as('w')),
            years = round(duration.as('y')),
            a =
                (seconds <= thresholds.ss && ['s', seconds]) ||
                (seconds < thresholds.s && ['ss', seconds]) ||
                (minutes <= 1 && ['m']) ||
                (minutes < thresholds.m && ['mm', minutes]) ||
                (hours <= 1 && ['h']) ||
                (hours < thresholds.h && ['hh', hours]) ||
                (days <= 1 && ['d']) ||
                (days < thresholds.d && ['dd', days]);

        if (thresholds.w != null) {
            a =
                a ||
                (weeks <= 1 && ['w']) ||
                (weeks < thresholds.w && ['ww', weeks]);
        }
        a = a ||
            (months <= 1 && ['M']) ||
            (months < thresholds.M && ['MM', months]) ||
            (years <= 1 && ['y']) || ['yy', years];

        a[2] = withoutSuffix;
        a[3] = +posNegDuration > 0;
        a[4] = locale;
        return substituteTimeAgo.apply(null, a);
    }

    // This function allows you to set the rounding function for relative time strings
    function getSetRelativeTimeRounding(roundingFunction) {
        if (roundingFunction === undefined) {
            return round;
        }
        if (typeof roundingFunction === 'function') {
            round = roundingFunction;
            return true;
        }
        return false;
    }

    // This function allows you to set a threshold for relative time strings
    function getSetRelativeTimeThreshold(threshold, limit) {
        if (thresholds[threshold] === undefined) {
            return false;
        }
        if (limit === undefined) {
            return thresholds[threshold];
        }
        thresholds[threshold] = limit;
        if (threshold === 's') {
            thresholds.ss = limit - 1;
        }
        return true;
    }

    function humanize(argWithSuffix, argThresholds) {
        if (!this.isValid()) {
            return this.localeData().invalidDate();
        }

        var withSuffix = false,
            th = thresholds,
            locale,
            output;

        if (typeof argWithSuffix === 'object') {
            argThresholds = argWithSuffix;
            argWithSuffix = false;
        }
        if (typeof argWithSuffix === 'boolean') {
            withSuffix = argWithSuffix;
        }
        if (typeof argThresholds === 'object') {
            th = Object.assign({}, thresholds, argThresholds);
            if (argThresholds.s != null && argThresholds.ss == null) {
                th.ss = argThresholds.s - 1;
            }
        }

        locale = this.localeData();
        output = relativeTime$1(this, !withSuffix, th, locale);

        if (withSuffix) {
            output = locale.pastFuture(+this, output);
        }

        return locale.postformat(output);
    }

    var abs$1 = Math.abs;

    function sign(x) {
        return (x > 0) - (x < 0) || +x;
    }

    function toISOString$1() {
        // for ISO strings we do not use the normal bubbling rules:
        //  * milliseconds bubble up until they become hours
        //  * days do not bubble at all
        //  * months bubble up until they become years
        // This is because there is no context-free conversion between hours and days
        // (think of clock changes)
        // and also not between days and months (28-31 days per month)
        if (!this.isValid()) {
            return this.localeData().invalidDate();
        }

        var seconds = abs$1(this._milliseconds) / 1000,
            days = abs$1(this._days),
            months = abs$1(this._months),
            minutes,
            hours,
            years,
            s,
            total = this.asSeconds(),
            totalSign,
            ymSign,
            daysSign,
            hmsSign;

        if (!total) {
            // this is the same as C#'s (Noda) and python (isodate)...
            // but not other JS (goog.date)
            return 'P0D';
        }

        // 3600 seconds -> 60 minutes -> 1 hour
        minutes = absFloor(seconds / 60);
        hours = absFloor(minutes / 60);
        seconds %= 60;
        minutes %= 60;

        // 12 months -> 1 year
        years = absFloor(months / 12);
        months %= 12;

        // inspired by https://github.com/dordille/moment-isoduration/blob/master/moment.isoduration.js
        s = seconds ? seconds.toFixed(3).replace(/\.?0+$/, '') : '';

        totalSign = total < 0 ? '-' : '';
        ymSign = sign(this._months) !== sign(total) ? '-' : '';
        daysSign = sign(this._days) !== sign(total) ? '-' : '';
        hmsSign = sign(this._milliseconds) !== sign(total) ? '-' : '';

        return (
            totalSign +
            'P' +
            (years ? ymSign + years + 'Y' : '') +
            (months ? ymSign + months + 'M' : '') +
            (days ? daysSign + days + 'D' : '') +
            (hours || minutes || seconds ? 'T' : '') +
            (hours ? hmsSign + hours + 'H' : '') +
            (minutes ? hmsSign + minutes + 'M' : '') +
            (seconds ? hmsSign + s + 'S' : '')
        );
    }

    var proto$2 = Duration.prototype;

    proto$2.isValid = isValid$1;
    proto$2.abs = abs;
    proto$2.add = add$1;
    proto$2.subtract = subtract$1;
    proto$2.as = as;
    proto$2.asMilliseconds = asMilliseconds;
    proto$2.asSeconds = asSeconds;
    proto$2.asMinutes = asMinutes;
    proto$2.asHours = asHours;
    proto$2.asDays = asDays;
    proto$2.asWeeks = asWeeks;
    proto$2.asMonths = asMonths;
    proto$2.asQuarters = asQuarters;
    proto$2.asYears = asYears;
    proto$2.valueOf = valueOf$1;
    proto$2._bubble = bubble;
    proto$2.clone = clone$1;
    proto$2.get = get$2;
    proto$2.milliseconds = milliseconds;
    proto$2.seconds = seconds;
    proto$2.minutes = minutes;
    proto$2.hours = hours;
    proto$2.days = days;
    proto$2.weeks = weeks;
    proto$2.months = months;
    proto$2.years = years;
    proto$2.humanize = humanize;
    proto$2.toISOString = toISOString$1;
    proto$2.toString = toISOString$1;
    proto$2.toJSON = toISOString$1;
    proto$2.locale = locale;
    proto$2.localeData = localeData;

    proto$2.toIsoString = deprecate(
        'toIsoString() is deprecated. Please use toISOString() instead (notice the capitals)',
        toISOString$1
    );
    proto$2.lang = lang;

    // FORMATTING

    addFormatToken('X', 0, 0, 'unix');
    addFormatToken('x', 0, 0, 'valueOf');

    // PARSING

    addRegexToken('x', matchSigned);
    addRegexToken('X', matchTimestamp);
    addParseToken('X', function (input, array, config) {
        config._d = new Date(parseFloat(input) * 1000);
    });
    addParseToken('x', function (input, array, config) {
        config._d = new Date(toInt(input));
    });

    //! moment.js

    hooks.version = '2.29.4';

    setHookCallback(createLocal);

    hooks.fn = proto;
    hooks.min = min;
    hooks.max = max;
    hooks.now = now;
    hooks.utc = createUTC;
    hooks.unix = createUnix;
    hooks.months = listMonths;
    hooks.isDate = isDate;
    hooks.locale = getSetGlobalLocale;
    hooks.invalid = createInvalid;
    hooks.duration = createDuration;
    hooks.isMoment = isMoment;
    hooks.weekdays = listWeekdays;
    hooks.parseZone = createInZone;
    hooks.localeData = getLocale;
    hooks.isDuration = isDuration;
    hooks.monthsShort = listMonthsShort;
    hooks.weekdaysMin = listWeekdaysMin;
    hooks.defineLocale = defineLocale;
    hooks.updateLocale = updateLocale;
    hooks.locales = listLocales;
    hooks.weekdaysShort = listWeekdaysShort;
    hooks.normalizeUnits = normalizeUnits;
    hooks.relativeTimeRounding = getSetRelativeTimeRounding;
    hooks.relativeTimeThreshold = getSetRelativeTimeThreshold;
    hooks.calendarFormat = getCalendarFormat;
    hooks.prototype = proto;

    // currently HTML5 input type only supports 24-hour formats
    hooks.HTML5_FMT = {
        DATETIME_LOCAL: 'YYYY-MM-DDTHH:mm', // <input type="datetime-local" />
        DATETIME_LOCAL_SECONDS: 'YYYY-MM-DDTHH:mm:ss', // <input type="datetime-local" step="1" />
        DATETIME_LOCAL_MS: 'YYYY-MM-DDTHH:mm:ss.SSS', // <input type="datetime-local" step="0.001" />
        DATE: 'YYYY-MM-DD', // <input type="date" />
        TIME: 'HH:mm', // <input type="time" />
        TIME_SECONDS: 'HH:mm:ss', // <input type="time" step="1" />
        TIME_MS: 'HH:mm:ss.SSS', // <input type="time" step="0.001" />
        WEEK: 'GGGG-[W]WW', // <input type="week" />
        MONTH: 'YYYY-MM', // <input type="month" />
    };

    //! moment.js locale configuration

    hooks.defineLocale('af', {
        months: 'Januarie_Februarie_Maart_April_Mei_Junie_Julie_Augustus_September_Oktober_November_Desember'.split(
            '_'
        ),
        monthsShort: 'Jan_Feb_Mrt_Apr_Mei_Jun_Jul_Aug_Sep_Okt_Nov_Des'.split('_'),
        weekdays: 'Sondag_Maandag_Dinsdag_Woensdag_Donderdag_Vrydag_Saterdag'.split(
            '_'
        ),
        weekdaysShort: 'Son_Maa_Din_Woe_Don_Vry_Sat'.split('_'),
        weekdaysMin: 'So_Ma_Di_Wo_Do_Vr_Sa'.split('_'),
        meridiemParse: /vm|nm/i,
        isPM: function (input) {
            return /^nm$/i.test(input);
        },
        meridiem: function (hours, minutes, isLower) {
            if (hours < 12) {
                return isLower ? 'vm' : 'VM';
            } else {
                return isLower ? 'nm' : 'NM';
            }
        },
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY HH:mm',
            LLLL: 'dddd, D MMMM YYYY HH:mm',
        },
        calendar: {
            sameDay: '[Vandag om] LT',
            nextDay: '[Môre om] LT',
            nextWeek: 'dddd [om] LT',
            lastDay: '[Gister om] LT',
            lastWeek: '[Laas] dddd [om] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'oor %s',
            past: '%s gelede',
            s: "'n paar sekondes",
            ss: '%d sekondes',
            m: "'n minuut",
            mm: '%d minute',
            h: "'n uur",
            hh: '%d ure',
            d: "'n dag",
            dd: '%d dae',
            M: "'n maand",
            MM: '%d maande',
            y: "'n jaar",
            yy: '%d jaar',
        },
        dayOfMonthOrdinalParse: /\d{1,2}(ste|de)/,
        ordinal: function (number) {
            return (
                number +
                (number === 1 || number === 8 || number >= 20 ? 'ste' : 'de')
            ); // Thanks to Joris Röling : https://github.com/jjupiter
        },
        week: {
            dow: 1, // Maandag is die eerste dag van die week.
            doy: 4, // Die week wat die 4de Januarie bevat is die eerste week van die jaar.
        },
    });

    //! moment.js locale configuration

    var pluralForm = function (n) {
            return n === 0
                ? 0
                : n === 1
                ? 1
                : n === 2
                ? 2
                : n % 100 >= 3 && n % 100 <= 10
                ? 3
                : n % 100 >= 11
                ? 4
                : 5;
        },
        plurals = {
            s: [
                'أقل من ثانية',
                'ثانية واحدة',
                ['ثانيتان', 'ثانيتين'],
                '%d ثوان',
                '%d ثانية',
                '%d ثانية',
            ],
            m: [
                'أقل من دقيقة',
                'دقيقة واحدة',
                ['دقيقتان', 'دقيقتين'],
                '%d دقائق',
                '%d دقيقة',
                '%d دقيقة',
            ],
            h: [
                'أقل من ساعة',
                'ساعة واحدة',
                ['ساعتان', 'ساعتين'],
                '%d ساعات',
                '%d ساعة',
                '%d ساعة',
            ],
            d: [
                'أقل من يوم',
                'يوم واحد',
                ['يومان', 'يومين'],
                '%d أيام',
                '%d يومًا',
                '%d يوم',
            ],
            M: [
                'أقل من شهر',
                'شهر واحد',
                ['شهران', 'شهرين'],
                '%d أشهر',
                '%d شهرا',
                '%d شهر',
            ],
            y: [
                'أقل من عام',
                'عام واحد',
                ['عامان', 'عامين'],
                '%d أعوام',
                '%d عامًا',
                '%d عام',
            ],
        },
        pluralize = function (u) {
            return function (number, withoutSuffix, string, isFuture) {
                var f = pluralForm(number),
                    str = plurals[u][pluralForm(number)];
                if (f === 2) {
                    str = str[withoutSuffix ? 0 : 1];
                }
                return str.replace(/%d/i, number);
            };
        },
        months$1 = [
            'جانفي',
            'فيفري',
            'مارس',
            'أفريل',
            'ماي',
            'جوان',
            'جويلية',
            'أوت',
            'سبتمبر',
            'أكتوبر',
            'نوفمبر',
            'ديسمبر',
        ];

    hooks.defineLocale('ar-dz', {
        months: months$1,
        monthsShort: months$1,
        weekdays: 'الأحد_الإثنين_الثلاثاء_الأربعاء_الخميس_الجمعة_السبت'.split('_'),
        weekdaysShort: 'أحد_إثنين_ثلاثاء_أربعاء_خميس_جمعة_سبت'.split('_'),
        weekdaysMin: 'ح_ن_ث_ر_خ_ج_س'.split('_'),
        weekdaysParseExact: true,
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'D/\u200FM/\u200FYYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY HH:mm',
            LLLL: 'dddd D MMMM YYYY HH:mm',
        },
        meridiemParse: /ص|م/,
        isPM: function (input) {
            return 'م' === input;
        },
        meridiem: function (hour, minute, isLower) {
            if (hour < 12) {
                return 'ص';
            } else {
                return 'م';
            }
        },
        calendar: {
            sameDay: '[اليوم عند الساعة] LT',
            nextDay: '[غدًا عند الساعة] LT',
            nextWeek: 'dddd [عند الساعة] LT',
            lastDay: '[أمس عند الساعة] LT',
            lastWeek: 'dddd [عند الساعة] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'بعد %s',
            past: 'منذ %s',
            s: pluralize('s'),
            ss: pluralize('s'),
            m: pluralize('m'),
            mm: pluralize('m'),
            h: pluralize('h'),
            hh: pluralize('h'),
            d: pluralize('d'),
            dd: pluralize('d'),
            M: pluralize('M'),
            MM: pluralize('M'),
            y: pluralize('y'),
            yy: pluralize('y'),
        },
        postformat: function (string) {
            return string.replace(/,/g, '،');
        },
        week: {
            dow: 0, // Sunday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('ar-kw', {
        months: 'يناير_فبراير_مارس_أبريل_ماي_يونيو_يوليوز_غشت_شتنبر_أكتوبر_نونبر_دجنبر'.split(
            '_'
        ),
        monthsShort:
            'يناير_فبراير_مارس_أبريل_ماي_يونيو_يوليوز_غشت_شتنبر_أكتوبر_نونبر_دجنبر'.split(
                '_'
            ),
        weekdays: 'الأحد_الإتنين_الثلاثاء_الأربعاء_الخميس_الجمعة_السبت'.split('_'),
        weekdaysShort: 'احد_اتنين_ثلاثاء_اربعاء_خميس_جمعة_سبت'.split('_'),
        weekdaysMin: 'ح_ن_ث_ر_خ_ج_س'.split('_'),
        weekdaysParseExact: true,
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY HH:mm',
            LLLL: 'dddd D MMMM YYYY HH:mm',
        },
        calendar: {
            sameDay: '[اليوم على الساعة] LT',
            nextDay: '[غدا على الساعة] LT',
            nextWeek: 'dddd [على الساعة] LT',
            lastDay: '[أمس على الساعة] LT',
            lastWeek: 'dddd [على الساعة] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'في %s',
            past: 'منذ %s',
            s: 'ثوان',
            ss: '%d ثانية',
            m: 'دقيقة',
            mm: '%d دقائق',
            h: 'ساعة',
            hh: '%d ساعات',
            d: 'يوم',
            dd: '%d أيام',
            M: 'شهر',
            MM: '%d أشهر',
            y: 'سنة',
            yy: '%d سنوات',
        },
        week: {
            dow: 0, // Sunday is the first day of the week.
            doy: 12, // The week that contains Jan 12th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    var symbolMap = {
            1: '1',
            2: '2',
            3: '3',
            4: '4',
            5: '5',
            6: '6',
            7: '7',
            8: '8',
            9: '9',
            0: '0',
        },
        pluralForm$1 = function (n) {
            return n === 0
                ? 0
                : n === 1
                ? 1
                : n === 2
                ? 2
                : n % 100 >= 3 && n % 100 <= 10
                ? 3
                : n % 100 >= 11
                ? 4
                : 5;
        },
        plurals$1 = {
            s: [
                'أقل من ثانية',
                'ثانية واحدة',
                ['ثانيتان', 'ثانيتين'],
                '%d ثوان',
                '%d ثانية',
                '%d ثانية',
            ],
            m: [
                'أقل من دقيقة',
                'دقيقة واحدة',
                ['دقيقتان', 'دقيقتين'],
                '%d دقائق',
                '%d دقيقة',
                '%d دقيقة',
            ],
            h: [
                'أقل من ساعة',
                'ساعة واحدة',
                ['ساعتان', 'ساعتين'],
                '%d ساعات',
                '%d ساعة',
                '%d ساعة',
            ],
            d: [
                'أقل من يوم',
                'يوم واحد',
                ['يومان', 'يومين'],
                '%d أيام',
                '%d يومًا',
                '%d يوم',
            ],
            M: [
                'أقل من شهر',
                'شهر واحد',
                ['شهران', 'شهرين'],
                '%d أشهر',
                '%d شهرا',
                '%d شهر',
            ],
            y: [
                'أقل من عام',
                'عام واحد',
                ['عامان', 'عامين'],
                '%d أعوام',
                '%d عامًا',
                '%d عام',
            ],
        },
        pluralize$1 = function (u) {
            return function (number, withoutSuffix, string, isFuture) {
                var f = pluralForm$1(number),
                    str = plurals$1[u][pluralForm$1(number)];
                if (f === 2) {
                    str = str[withoutSuffix ? 0 : 1];
                }
                return str.replace(/%d/i, number);
            };
        },
        months$2 = [
            'يناير',
            'فبراير',
            'مارس',
            'أبريل',
            'مايو',
            'يونيو',
            'يوليو',
            'أغسطس',
            'سبتمبر',
            'أكتوبر',
            'نوفمبر',
            'ديسمبر',
        ];

    hooks.defineLocale('ar-ly', {
        months: months$2,
        monthsShort: months$2,
        weekdays: 'الأحد_الإثنين_الثلاثاء_الأربعاء_الخميس_الجمعة_السبت'.split('_'),
        weekdaysShort: 'أحد_إثنين_ثلاثاء_أربعاء_خميس_جمعة_سبت'.split('_'),
        weekdaysMin: 'ح_ن_ث_ر_خ_ج_س'.split('_'),
        weekdaysParseExact: true,
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'D/\u200FM/\u200FYYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY HH:mm',
            LLLL: 'dddd D MMMM YYYY HH:mm',
        },
        meridiemParse: /ص|م/,
        isPM: function (input) {
            return 'م' === input;
        },
        meridiem: function (hour, minute, isLower) {
            if (hour < 12) {
                return 'ص';
            } else {
                return 'م';
            }
        },
        calendar: {
            sameDay: '[اليوم عند الساعة] LT',
            nextDay: '[غدًا عند الساعة] LT',
            nextWeek: 'dddd [عند الساعة] LT',
            lastDay: '[أمس عند الساعة] LT',
            lastWeek: 'dddd [عند الساعة] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'بعد %s',
            past: 'منذ %s',
            s: pluralize$1('s'),
            ss: pluralize$1('s'),
            m: pluralize$1('m'),
            mm: pluralize$1('m'),
            h: pluralize$1('h'),
            hh: pluralize$1('h'),
            d: pluralize$1('d'),
            dd: pluralize$1('d'),
            M: pluralize$1('M'),
            MM: pluralize$1('M'),
            y: pluralize$1('y'),
            yy: pluralize$1('y'),
        },
        preparse: function (string) {
            return string.replace(/،/g, ',');
        },
        postformat: function (string) {
            return string
                .replace(/\d/g, function (match) {
                    return symbolMap[match];
                })
                .replace(/,/g, '،');
        },
        week: {
            dow: 6, // Saturday is the first day of the week.
            doy: 12, // The week that contains Jan 12th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('ar-ma', {
        months: 'يناير_فبراير_مارس_أبريل_ماي_يونيو_يوليوز_غشت_شتنبر_أكتوبر_نونبر_دجنبر'.split(
            '_'
        ),
        monthsShort:
            'يناير_فبراير_مارس_أبريل_ماي_يونيو_يوليوز_غشت_شتنبر_أكتوبر_نونبر_دجنبر'.split(
                '_'
            ),
        weekdays: 'الأحد_الإثنين_الثلاثاء_الأربعاء_الخميس_الجمعة_السبت'.split('_'),
        weekdaysShort: 'احد_اثنين_ثلاثاء_اربعاء_خميس_جمعة_سبت'.split('_'),
        weekdaysMin: 'ح_ن_ث_ر_خ_ج_س'.split('_'),
        weekdaysParseExact: true,
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY HH:mm',
            LLLL: 'dddd D MMMM YYYY HH:mm',
        },
        calendar: {
            sameDay: '[اليوم على الساعة] LT',
            nextDay: '[غدا على الساعة] LT',
            nextWeek: 'dddd [على الساعة] LT',
            lastDay: '[أمس على الساعة] LT',
            lastWeek: 'dddd [على الساعة] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'في %s',
            past: 'منذ %s',
            s: 'ثوان',
            ss: '%d ثانية',
            m: 'دقيقة',
            mm: '%d دقائق',
            h: 'ساعة',
            hh: '%d ساعات',
            d: 'يوم',
            dd: '%d أيام',
            M: 'شهر',
            MM: '%d أشهر',
            y: 'سنة',
            yy: '%d سنوات',
        },
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    var symbolMap$1 = {
            1: '١',
            2: '٢',
            3: '٣',
            4: '٤',
            5: '٥',
            6: '٦',
            7: '٧',
            8: '٨',
            9: '٩',
            0: '٠',
        },
        numberMap = {
            '١': '1',
            '٢': '2',
            '٣': '3',
            '٤': '4',
            '٥': '5',
            '٦': '6',
            '٧': '7',
            '٨': '8',
            '٩': '9',
            '٠': '0',
        };

    hooks.defineLocale('ar-sa', {
        months: 'يناير_فبراير_مارس_أبريل_مايو_يونيو_يوليو_أغسطس_سبتمبر_أكتوبر_نوفمبر_ديسمبر'.split(
            '_'
        ),
        monthsShort:
            'يناير_فبراير_مارس_أبريل_مايو_يونيو_يوليو_أغسطس_سبتمبر_أكتوبر_نوفمبر_ديسمبر'.split(
                '_'
            ),
        weekdays: 'الأحد_الإثنين_الثلاثاء_الأربعاء_الخميس_الجمعة_السبت'.split('_'),
        weekdaysShort: 'أحد_إثنين_ثلاثاء_أربعاء_خميس_جمعة_سبت'.split('_'),
        weekdaysMin: 'ح_ن_ث_ر_خ_ج_س'.split('_'),
        weekdaysParseExact: true,
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY HH:mm',
            LLLL: 'dddd D MMMM YYYY HH:mm',
        },
        meridiemParse: /ص|م/,
        isPM: function (input) {
            return 'م' === input;
        },
        meridiem: function (hour, minute, isLower) {
            if (hour < 12) {
                return 'ص';
            } else {
                return 'م';
            }
        },
        calendar: {
            sameDay: '[اليوم على الساعة] LT',
            nextDay: '[غدا على الساعة] LT',
            nextWeek: 'dddd [على الساعة] LT',
            lastDay: '[أمس على الساعة] LT',
            lastWeek: 'dddd [على الساعة] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'في %s',
            past: 'منذ %s',
            s: 'ثوان',
            ss: '%d ثانية',
            m: 'دقيقة',
            mm: '%d دقائق',
            h: 'ساعة',
            hh: '%d ساعات',
            d: 'يوم',
            dd: '%d أيام',
            M: 'شهر',
            MM: '%d أشهر',
            y: 'سنة',
            yy: '%d سنوات',
        },
        preparse: function (string) {
            return string
                .replace(/[١٢٣٤٥٦٧٨٩٠]/g, function (match) {
                    return numberMap[match];
                })
                .replace(/،/g, ',');
        },
        postformat: function (string) {
            return string
                .replace(/\d/g, function (match) {
                    return symbolMap$1[match];
                })
                .replace(/,/g, '،');
        },
        week: {
            dow: 0, // Sunday is the first day of the week.
            doy: 6, // The week that contains Jan 6th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('ar-tn', {
        months: 'جانفي_فيفري_مارس_أفريل_ماي_جوان_جويلية_أوت_سبتمبر_أكتوبر_نوفمبر_ديسمبر'.split(
            '_'
        ),
        monthsShort:
            'جانفي_فيفري_مارس_أفريل_ماي_جوان_جويلية_أوت_سبتمبر_أكتوبر_نوفمبر_ديسمبر'.split(
                '_'
            ),
        weekdays: 'الأحد_الإثنين_الثلاثاء_الأربعاء_الخميس_الجمعة_السبت'.split('_'),
        weekdaysShort: 'أحد_إثنين_ثلاثاء_أربعاء_خميس_جمعة_سبت'.split('_'),
        weekdaysMin: 'ح_ن_ث_ر_خ_ج_س'.split('_'),
        weekdaysParseExact: true,
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY HH:mm',
            LLLL: 'dddd D MMMM YYYY HH:mm',
        },
        calendar: {
            sameDay: '[اليوم على الساعة] LT',
            nextDay: '[غدا على الساعة] LT',
            nextWeek: 'dddd [على الساعة] LT',
            lastDay: '[أمس على الساعة] LT',
            lastWeek: 'dddd [على الساعة] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'في %s',
            past: 'منذ %s',
            s: 'ثوان',
            ss: '%d ثانية',
            m: 'دقيقة',
            mm: '%d دقائق',
            h: 'ساعة',
            hh: '%d ساعات',
            d: 'يوم',
            dd: '%d أيام',
            M: 'شهر',
            MM: '%d أشهر',
            y: 'سنة',
            yy: '%d سنوات',
        },
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    var symbolMap$2 = {
            1: '١',
            2: '٢',
            3: '٣',
            4: '٤',
            5: '٥',
            6: '٦',
            7: '٧',
            8: '٨',
            9: '٩',
            0: '٠',
        },
        numberMap$1 = {
            '١': '1',
            '٢': '2',
            '٣': '3',
            '٤': '4',
            '٥': '5',
            '٦': '6',
            '٧': '7',
            '٨': '8',
            '٩': '9',
            '٠': '0',
        },
        pluralForm$2 = function (n) {
            return n === 0
                ? 0
                : n === 1
                ? 1
                : n === 2
                ? 2
                : n % 100 >= 3 && n % 100 <= 10
                ? 3
                : n % 100 >= 11
                ? 4
                : 5;
        },
        plurals$2 = {
            s: [
                'أقل من ثانية',
                'ثانية واحدة',
                ['ثانيتان', 'ثانيتين'],
                '%d ثوان',
                '%d ثانية',
                '%d ثانية',
            ],
            m: [
                'أقل من دقيقة',
                'دقيقة واحدة',
                ['دقيقتان', 'دقيقتين'],
                '%d دقائق',
                '%d دقيقة',
                '%d دقيقة',
            ],
            h: [
                'أقل من ساعة',
                'ساعة واحدة',
                ['ساعتان', 'ساعتين'],
                '%d ساعات',
                '%d ساعة',
                '%d ساعة',
            ],
            d: [
                'أقل من يوم',
                'يوم واحد',
                ['يومان', 'يومين'],
                '%d أيام',
                '%d يومًا',
                '%d يوم',
            ],
            M: [
                'أقل من شهر',
                'شهر واحد',
                ['شهران', 'شهرين'],
                '%d أشهر',
                '%d شهرا',
                '%d شهر',
            ],
            y: [
                'أقل من عام',
                'عام واحد',
                ['عامان', 'عامين'],
                '%d أعوام',
                '%d عامًا',
                '%d عام',
            ],
        },
        pluralize$2 = function (u) {
            return function (number, withoutSuffix, string, isFuture) {
                var f = pluralForm$2(number),
                    str = plurals$2[u][pluralForm$2(number)];
                if (f === 2) {
                    str = str[withoutSuffix ? 0 : 1];
                }
                return str.replace(/%d/i, number);
            };
        },
        months$3 = [
            'يناير',
            'فبراير',
            'مارس',
            'أبريل',
            'مايو',
            'يونيو',
            'يوليو',
            'أغسطس',
            'سبتمبر',
            'أكتوبر',
            'نوفمبر',
            'ديسمبر',
        ];

    hooks.defineLocale('ar', {
        months: months$3,
        monthsShort: months$3,
        weekdays: 'الأحد_الإثنين_الثلاثاء_الأربعاء_الخميس_الجمعة_السبت'.split('_'),
        weekdaysShort: 'أحد_إثنين_ثلاثاء_أربعاء_خميس_جمعة_سبت'.split('_'),
        weekdaysMin: 'ح_ن_ث_ر_خ_ج_س'.split('_'),
        weekdaysParseExact: true,
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'D/\u200FM/\u200FYYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY HH:mm',
            LLLL: 'dddd D MMMM YYYY HH:mm',
        },
        meridiemParse: /ص|م/,
        isPM: function (input) {
            return 'م' === input;
        },
        meridiem: function (hour, minute, isLower) {
            if (hour < 12) {
                return 'ص';
            } else {
                return 'م';
            }
        },
        calendar: {
            sameDay: '[اليوم عند الساعة] LT',
            nextDay: '[غدًا عند الساعة] LT',
            nextWeek: 'dddd [عند الساعة] LT',
            lastDay: '[أمس عند الساعة] LT',
            lastWeek: 'dddd [عند الساعة] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'بعد %s',
            past: 'منذ %s',
            s: pluralize$2('s'),
            ss: pluralize$2('s'),
            m: pluralize$2('m'),
            mm: pluralize$2('m'),
            h: pluralize$2('h'),
            hh: pluralize$2('h'),
            d: pluralize$2('d'),
            dd: pluralize$2('d'),
            M: pluralize$2('M'),
            MM: pluralize$2('M'),
            y: pluralize$2('y'),
            yy: pluralize$2('y'),
        },
        preparse: function (string) {
            return string
                .replace(/[١٢٣٤٥٦٧٨٩٠]/g, function (match) {
                    return numberMap$1[match];
                })
                .replace(/،/g, ',');
        },
        postformat: function (string) {
            return string
                .replace(/\d/g, function (match) {
                    return symbolMap$2[match];
                })
                .replace(/,/g, '،');
        },
        week: {
            dow: 6, // Saturday is the first day of the week.
            doy: 12, // The week that contains Jan 12th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    var suffixes = {
        1: '-inci',
        5: '-inci',
        8: '-inci',
        70: '-inci',
        80: '-inci',
        2: '-nci',
        7: '-nci',
        20: '-nci',
        50: '-nci',
        3: '-üncü',
        4: '-üncü',
        100: '-üncü',
        6: '-ncı',
        9: '-uncu',
        10: '-uncu',
        30: '-uncu',
        60: '-ıncı',
        90: '-ıncı',
    };

    hooks.defineLocale('az', {
        months: 'yanvar_fevral_mart_aprel_may_iyun_iyul_avqust_sentyabr_oktyabr_noyabr_dekabr'.split(
            '_'
        ),
        monthsShort: 'yan_fev_mar_apr_may_iyn_iyl_avq_sen_okt_noy_dek'.split('_'),
        weekdays:
            'Bazar_Bazar ertəsi_Çərşənbə axşamı_Çərşənbə_Cümə axşamı_Cümə_Şənbə'.split(
                '_'
            ),
        weekdaysShort: 'Baz_BzE_ÇAx_Çər_CAx_Cüm_Şən'.split('_'),
        weekdaysMin: 'Bz_BE_ÇA_Çə_CA_Cü_Şə'.split('_'),
        weekdaysParseExact: true,
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD.MM.YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY HH:mm',
            LLLL: 'dddd, D MMMM YYYY HH:mm',
        },
        calendar: {
            sameDay: '[bugün saat] LT',
            nextDay: '[sabah saat] LT',
            nextWeek: '[gələn həftə] dddd [saat] LT',
            lastDay: '[dünən] LT',
            lastWeek: '[keçən həftə] dddd [saat] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: '%s sonra',
            past: '%s əvvəl',
            s: 'bir neçə saniyə',
            ss: '%d saniyə',
            m: 'bir dəqiqə',
            mm: '%d dəqiqə',
            h: 'bir saat',
            hh: '%d saat',
            d: 'bir gün',
            dd: '%d gün',
            M: 'bir ay',
            MM: '%d ay',
            y: 'bir il',
            yy: '%d il',
        },
        meridiemParse: /gecə|səhər|gündüz|axşam/,
        isPM: function (input) {
            return /^(gündüz|axşam)$/.test(input);
        },
        meridiem: function (hour, minute, isLower) {
            if (hour < 4) {
                return 'gecə';
            } else if (hour < 12) {
                return 'səhər';
            } else if (hour < 17) {
                return 'gündüz';
            } else {
                return 'axşam';
            }
        },
        dayOfMonthOrdinalParse: /\d{1,2}-(ıncı|inci|nci|üncü|ncı|uncu)/,
        ordinal: function (number) {
            if (number === 0) {
                // special case for zero
                return number + '-ıncı';
            }
            var a = number % 10,
                b = (number % 100) - a,
                c = number >= 100 ? 100 : null;
            return number + (suffixes[a] || suffixes[b] || suffixes[c]);
        },
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 7, // The week that contains Jan 7th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    function plural(word, num) {
        var forms = word.split('_');
        return num % 10 === 1 && num % 100 !== 11
            ? forms[0]
            : num % 10 >= 2 && num % 10 <= 4 && (num % 100 < 10 || num % 100 >= 20)
            ? forms[1]
            : forms[2];
    }
    function relativeTimeWithPlural(number, withoutSuffix, key) {
        var format = {
            ss: withoutSuffix ? 'секунда_секунды_секунд' : 'секунду_секунды_секунд',
            mm: withoutSuffix ? 'хвіліна_хвіліны_хвілін' : 'хвіліну_хвіліны_хвілін',
            hh: withoutSuffix ? 'гадзіна_гадзіны_гадзін' : 'гадзіну_гадзіны_гадзін',
            dd: 'дзень_дні_дзён',
            MM: 'месяц_месяцы_месяцаў',
            yy: 'год_гады_гадоў',
        };
        if (key === 'm') {
            return withoutSuffix ? 'хвіліна' : 'хвіліну';
        } else if (key === 'h') {
            return withoutSuffix ? 'гадзіна' : 'гадзіну';
        } else {
            return number + ' ' + plural(format[key], +number);
        }
    }

    hooks.defineLocale('be', {
        months: {
            format: 'студзеня_лютага_сакавіка_красавіка_траўня_чэрвеня_ліпеня_жніўня_верасня_кастрычніка_лістапада_снежня'.split(
                '_'
            ),
            standalone:
                'студзень_люты_сакавік_красавік_травень_чэрвень_ліпень_жнівень_верасень_кастрычнік_лістапад_снежань'.split(
                    '_'
                ),
        },
        monthsShort:
            'студ_лют_сак_крас_трав_чэрв_ліп_жнів_вер_каст_ліст_снеж'.split('_'),
        weekdays: {
            format: 'нядзелю_панядзелак_аўторак_сераду_чацвер_пятніцу_суботу'.split(
                '_'
            ),
            standalone:
                'нядзеля_панядзелак_аўторак_серада_чацвер_пятніца_субота'.split(
                    '_'
                ),
            isFormat: /\[ ?[Ууў] ?(?:мінулую|наступную)? ?\] ?dddd/,
        },
        weekdaysShort: 'нд_пн_ат_ср_чц_пт_сб'.split('_'),
        weekdaysMin: 'нд_пн_ат_ср_чц_пт_сб'.split('_'),
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD.MM.YYYY',
            LL: 'D MMMM YYYY г.',
            LLL: 'D MMMM YYYY г., HH:mm',
            LLLL: 'dddd, D MMMM YYYY г., HH:mm',
        },
        calendar: {
            sameDay: '[Сёння ў] LT',
            nextDay: '[Заўтра ў] LT',
            lastDay: '[Учора ў] LT',
            nextWeek: function () {
                return '[У] dddd [ў] LT';
            },
            lastWeek: function () {
                switch (this.day()) {
                    case 0:
                    case 3:
                    case 5:
                    case 6:
                        return '[У мінулую] dddd [ў] LT';
                    case 1:
                    case 2:
                    case 4:
                        return '[У мінулы] dddd [ў] LT';
                }
            },
            sameElse: 'L',
        },
        relativeTime: {
            future: 'праз %s',
            past: '%s таму',
            s: 'некалькі секунд',
            m: relativeTimeWithPlural,
            mm: relativeTimeWithPlural,
            h: relativeTimeWithPlural,
            hh: relativeTimeWithPlural,
            d: 'дзень',
            dd: relativeTimeWithPlural,
            M: 'месяц',
            MM: relativeTimeWithPlural,
            y: 'год',
            yy: relativeTimeWithPlural,
        },
        meridiemParse: /ночы|раніцы|дня|вечара/,
        isPM: function (input) {
            return /^(дня|вечара)$/.test(input);
        },
        meridiem: function (hour, minute, isLower) {
            if (hour < 4) {
                return 'ночы';
            } else if (hour < 12) {
                return 'раніцы';
            } else if (hour < 17) {
                return 'дня';
            } else {
                return 'вечара';
            }
        },
        dayOfMonthOrdinalParse: /\d{1,2}-(і|ы|га)/,
        ordinal: function (number, period) {
            switch (period) {
                case 'M':
                case 'd':
                case 'DDD':
                case 'w':
                case 'W':
                    return (number % 10 === 2 || number % 10 === 3) &&
                        number % 100 !== 12 &&
                        number % 100 !== 13
                        ? number + '-і'
                        : number + '-ы';
                case 'D':
                    return number + '-га';
                default:
                    return number;
            }
        },
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 7, // The week that contains Jan 7th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('bg', {
        months: 'януари_февруари_март_април_май_юни_юли_август_септември_октомври_ноември_декември'.split(
            '_'
        ),
        monthsShort: 'яну_фев_мар_апр_май_юни_юли_авг_сеп_окт_ное_дек'.split('_'),
        weekdays: 'неделя_понеделник_вторник_сряда_четвъртък_петък_събота'.split(
            '_'
        ),
        weekdaysShort: 'нед_пон_вто_сря_чет_пет_съб'.split('_'),
        weekdaysMin: 'нд_пн_вт_ср_чт_пт_сб'.split('_'),
        longDateFormat: {
            LT: 'H:mm',
            LTS: 'H:mm:ss',
            L: 'D.MM.YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY H:mm',
            LLLL: 'dddd, D MMMM YYYY H:mm',
        },
        calendar: {
            sameDay: '[Днес в] LT',
            nextDay: '[Утре в] LT',
            nextWeek: 'dddd [в] LT',
            lastDay: '[Вчера в] LT',
            lastWeek: function () {
                switch (this.day()) {
                    case 0:
                    case 3:
                    case 6:
                        return '[Миналата] dddd [в] LT';
                    case 1:
                    case 2:
                    case 4:
                    case 5:
                        return '[Миналия] dddd [в] LT';
                }
            },
            sameElse: 'L',
        },
        relativeTime: {
            future: 'след %s',
            past: 'преди %s',
            s: 'няколко секунди',
            ss: '%d секунди',
            m: 'минута',
            mm: '%d минути',
            h: 'час',
            hh: '%d часа',
            d: 'ден',
            dd: '%d дена',
            w: 'седмица',
            ww: '%d седмици',
            M: 'месец',
            MM: '%d месеца',
            y: 'година',
            yy: '%d години',
        },
        dayOfMonthOrdinalParse: /\d{1,2}-(ев|ен|ти|ви|ри|ми)/,
        ordinal: function (number) {
            var lastDigit = number % 10,
                last2Digits = number % 100;
            if (number === 0) {
                return number + '-ев';
            } else if (last2Digits === 0) {
                return number + '-ен';
            } else if (last2Digits > 10 && last2Digits < 20) {
                return number + '-ти';
            } else if (lastDigit === 1) {
                return number + '-ви';
            } else if (lastDigit === 2) {
                return number + '-ри';
            } else if (lastDigit === 7 || lastDigit === 8) {
                return number + '-ми';
            } else {
                return number + '-ти';
            }
        },
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 7, // The week that contains Jan 7th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('bm', {
        months: 'Zanwuyekalo_Fewuruyekalo_Marisikalo_Awirilikalo_Mɛkalo_Zuwɛnkalo_Zuluyekalo_Utikalo_Sɛtanburukalo_ɔkutɔburukalo_Nowanburukalo_Desanburukalo'.split(
            '_'
        ),
        monthsShort: 'Zan_Few_Mar_Awi_Mɛ_Zuw_Zul_Uti_Sɛt_ɔku_Now_Des'.split('_'),
        weekdays: 'Kari_Ntɛnɛn_Tarata_Araba_Alamisa_Juma_Sibiri'.split('_'),
        weekdaysShort: 'Kar_Ntɛ_Tar_Ara_Ala_Jum_Sib'.split('_'),
        weekdaysMin: 'Ka_Nt_Ta_Ar_Al_Ju_Si'.split('_'),
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD/MM/YYYY',
            LL: 'MMMM [tile] D [san] YYYY',
            LLL: 'MMMM [tile] D [san] YYYY [lɛrɛ] HH:mm',
            LLLL: 'dddd MMMM [tile] D [san] YYYY [lɛrɛ] HH:mm',
        },
        calendar: {
            sameDay: '[Bi lɛrɛ] LT',
            nextDay: '[Sini lɛrɛ] LT',
            nextWeek: 'dddd [don lɛrɛ] LT',
            lastDay: '[Kunu lɛrɛ] LT',
            lastWeek: 'dddd [tɛmɛnen lɛrɛ] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: '%s kɔnɔ',
            past: 'a bɛ %s bɔ',
            s: 'sanga dama dama',
            ss: 'sekondi %d',
            m: 'miniti kelen',
            mm: 'miniti %d',
            h: 'lɛrɛ kelen',
            hh: 'lɛrɛ %d',
            d: 'tile kelen',
            dd: 'tile %d',
            M: 'kalo kelen',
            MM: 'kalo %d',
            y: 'san kelen',
            yy: 'san %d',
        },
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    var symbolMap$3 = {
            1: '১',
            2: '২',
            3: '৩',
            4: '৪',
            5: '৫',
            6: '৬',
            7: '৭',
            8: '৮',
            9: '৯',
            0: '০',
        },
        numberMap$2 = {
            '১': '1',
            '২': '2',
            '৩': '3',
            '৪': '4',
            '৫': '5',
            '৬': '6',
            '৭': '7',
            '৮': '8',
            '৯': '9',
            '০': '0',
        };

    hooks.defineLocale('bn-bd', {
        months: 'জানুয়ারি_ফেব্রুয়ারি_মার্চ_এপ্রিল_মে_জুন_জুলাই_আগস্ট_সেপ্টেম্বর_অক্টোবর_নভেম্বর_ডিসেম্বর'.split(
            '_'
        ),
        monthsShort:
            'জানু_ফেব্রু_মার্চ_এপ্রিল_মে_জুন_জুলাই_আগস্ট_সেপ্ট_অক্টো_নভে_ডিসে'.split(
                '_'
            ),
        weekdays: 'রবিবার_সোমবার_মঙ্গলবার_বুধবার_বৃহস্পতিবার_শুক্রবার_শনিবার'.split(
            '_'
        ),
        weekdaysShort: 'রবি_সোম_মঙ্গল_বুধ_বৃহস্পতি_শুক্র_শনি'.split('_'),
        weekdaysMin: 'রবি_সোম_মঙ্গল_বুধ_বৃহ_শুক্র_শনি'.split('_'),
        longDateFormat: {
            LT: 'A h:mm সময়',
            LTS: 'A h:mm:ss সময়',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY, A h:mm সময়',
            LLLL: 'dddd, D MMMM YYYY, A h:mm সময়',
        },
        calendar: {
            sameDay: '[আজ] LT',
            nextDay: '[আগামীকাল] LT',
            nextWeek: 'dddd, LT',
            lastDay: '[গতকাল] LT',
            lastWeek: '[গত] dddd, LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: '%s পরে',
            past: '%s আগে',
            s: 'কয়েক সেকেন্ড',
            ss: '%d সেকেন্ড',
            m: 'এক মিনিট',
            mm: '%d মিনিট',
            h: 'এক ঘন্টা',
            hh: '%d ঘন্টা',
            d: 'এক দিন',
            dd: '%d দিন',
            M: 'এক মাস',
            MM: '%d মাস',
            y: 'এক বছর',
            yy: '%d বছর',
        },
        preparse: function (string) {
            return string.replace(/[১২৩৪৫৬৭৮৯০]/g, function (match) {
                return numberMap$2[match];
            });
        },
        postformat: function (string) {
            return string.replace(/\d/g, function (match) {
                return symbolMap$3[match];
            });
        },

        meridiemParse: /রাত|ভোর|সকাল|দুপুর|বিকাল|সন্ধ্যা|রাত/,
        meridiemHour: function (hour, meridiem) {
            if (hour === 12) {
                hour = 0;
            }
            if (meridiem === 'রাত') {
                return hour < 4 ? hour : hour + 12;
            } else if (meridiem === 'ভোর') {
                return hour;
            } else if (meridiem === 'সকাল') {
                return hour;
            } else if (meridiem === 'দুপুর') {
                return hour >= 3 ? hour : hour + 12;
            } else if (meridiem === 'বিকাল') {
                return hour + 12;
            } else if (meridiem === 'সন্ধ্যা') {
                return hour + 12;
            }
        },

        meridiem: function (hour, minute, isLower) {
            if (hour < 4) {
                return 'রাত';
            } else if (hour < 6) {
                return 'ভোর';
            } else if (hour < 12) {
                return 'সকাল';
            } else if (hour < 15) {
                return 'দুপুর';
            } else if (hour < 18) {
                return 'বিকাল';
            } else if (hour < 20) {
                return 'সন্ধ্যা';
            } else {
                return 'রাত';
            }
        },
        week: {
            dow: 0, // Sunday is the first day of the week.
            doy: 6, // The week that contains Jan 6th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    var symbolMap$4 = {
            1: '১',
            2: '২',
            3: '৩',
            4: '৪',
            5: '৫',
            6: '৬',
            7: '৭',
            8: '৮',
            9: '৯',
            0: '০',
        },
        numberMap$3 = {
            '১': '1',
            '২': '2',
            '৩': '3',
            '৪': '4',
            '৫': '5',
            '৬': '6',
            '৭': '7',
            '৮': '8',
            '৯': '9',
            '০': '0',
        };

    hooks.defineLocale('bn', {
        months: 'জানুয়ারি_ফেব্রুয়ারি_মার্চ_এপ্রিল_মে_জুন_জুলাই_আগস্ট_সেপ্টেম্বর_অক্টোবর_নভেম্বর_ডিসেম্বর'.split(
            '_'
        ),
        monthsShort:
            'জানু_ফেব্রু_মার্চ_এপ্রিল_মে_জুন_জুলাই_আগস্ট_সেপ্ট_অক্টো_নভে_ডিসে'.split(
                '_'
            ),
        weekdays: 'রবিবার_সোমবার_মঙ্গলবার_বুধবার_বৃহস্পতিবার_শুক্রবার_শনিবার'.split(
            '_'
        ),
        weekdaysShort: 'রবি_সোম_মঙ্গল_বুধ_বৃহস্পতি_শুক্র_শনি'.split('_'),
        weekdaysMin: 'রবি_সোম_মঙ্গল_বুধ_বৃহ_শুক্র_শনি'.split('_'),
        longDateFormat: {
            LT: 'A h:mm সময়',
            LTS: 'A h:mm:ss সময়',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY, A h:mm সময়',
            LLLL: 'dddd, D MMMM YYYY, A h:mm সময়',
        },
        calendar: {
            sameDay: '[আজ] LT',
            nextDay: '[আগামীকাল] LT',
            nextWeek: 'dddd, LT',
            lastDay: '[গতকাল] LT',
            lastWeek: '[গত] dddd, LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: '%s পরে',
            past: '%s আগে',
            s: 'কয়েক সেকেন্ড',
            ss: '%d সেকেন্ড',
            m: 'এক মিনিট',
            mm: '%d মিনিট',
            h: 'এক ঘন্টা',
            hh: '%d ঘন্টা',
            d: 'এক দিন',
            dd: '%d দিন',
            M: 'এক মাস',
            MM: '%d মাস',
            y: 'এক বছর',
            yy: '%d বছর',
        },
        preparse: function (string) {
            return string.replace(/[১২৩৪৫৬৭৮৯০]/g, function (match) {
                return numberMap$3[match];
            });
        },
        postformat: function (string) {
            return string.replace(/\d/g, function (match) {
                return symbolMap$4[match];
            });
        },
        meridiemParse: /রাত|সকাল|দুপুর|বিকাল|রাত/,
        meridiemHour: function (hour, meridiem) {
            if (hour === 12) {
                hour = 0;
            }
            if (
                (meridiem === 'রাত' && hour >= 4) ||
                (meridiem === 'দুপুর' && hour < 5) ||
                meridiem === 'বিকাল'
            ) {
                return hour + 12;
            } else {
                return hour;
            }
        },
        meridiem: function (hour, minute, isLower) {
            if (hour < 4) {
                return 'রাত';
            } else if (hour < 10) {
                return 'সকাল';
            } else if (hour < 17) {
                return 'দুপুর';
            } else if (hour < 20) {
                return 'বিকাল';
            } else {
                return 'রাত';
            }
        },
        week: {
            dow: 0, // Sunday is the first day of the week.
            doy: 6, // The week that contains Jan 6th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    var symbolMap$5 = {
            1: '༡',
            2: '༢',
            3: '༣',
            4: '༤',
            5: '༥',
            6: '༦',
            7: '༧',
            8: '༨',
            9: '༩',
            0: '༠',
        },
        numberMap$4 = {
            '༡': '1',
            '༢': '2',
            '༣': '3',
            '༤': '4',
            '༥': '5',
            '༦': '6',
            '༧': '7',
            '༨': '8',
            '༩': '9',
            '༠': '0',
        };

    hooks.defineLocale('bo', {
        months: 'ཟླ་བ་དང་པོ_ཟླ་བ་གཉིས་པ_ཟླ་བ་གསུམ་པ_ཟླ་བ་བཞི་པ_ཟླ་བ་ལྔ་པ_ཟླ་བ་དྲུག་པ_ཟླ་བ་བདུན་པ_ཟླ་བ་བརྒྱད་པ_ཟླ་བ་དགུ་པ_ཟླ་བ་བཅུ་པ_ཟླ་བ་བཅུ་གཅིག་པ_ཟླ་བ་བཅུ་གཉིས་པ'.split(
            '_'
        ),
        monthsShort:
            'ཟླ་1_ཟླ་2_ཟླ་3_ཟླ་4_ཟླ་5_ཟླ་6_ཟླ་7_ཟླ་8_ཟླ་9_ཟླ་10_ཟླ་11_ཟླ་12'.split(
                '_'
            ),
        monthsShortRegex: /^(ཟླ་\d{1,2})/,
        monthsParseExact: true,
        weekdays:
            'གཟའ་ཉི་མ་_གཟའ་ཟླ་བ་_གཟའ་མིག་དམར་_གཟའ་ལྷག་པ་_གཟའ་ཕུར་བུ_གཟའ་པ་སངས་_གཟའ་སྤེན་པ་'.split(
                '_'
            ),
        weekdaysShort: 'ཉི་མ་_ཟླ་བ་_མིག་དམར་_ལྷག་པ་_ཕུར་བུ_པ་སངས་_སྤེན་པ་'.split(
            '_'
        ),
        weekdaysMin: 'ཉི_ཟླ_མིག_ལྷག_ཕུར_སངས_སྤེན'.split('_'),
        longDateFormat: {
            LT: 'A h:mm',
            LTS: 'A h:mm:ss',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY, A h:mm',
            LLLL: 'dddd, D MMMM YYYY, A h:mm',
        },
        calendar: {
            sameDay: '[དི་རིང] LT',
            nextDay: '[སང་ཉིན] LT',
            nextWeek: '[བདུན་ཕྲག་རྗེས་མ], LT',
            lastDay: '[ཁ་སང] LT',
            lastWeek: '[བདུན་ཕྲག་མཐའ་མ] dddd, LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: '%s ལ་',
            past: '%s སྔན་ལ',
            s: 'ལམ་སང',
            ss: '%d སྐར་ཆ།',
            m: 'སྐར་མ་གཅིག',
            mm: '%d སྐར་མ',
            h: 'ཆུ་ཚོད་གཅིག',
            hh: '%d ཆུ་ཚོད',
            d: 'ཉིན་གཅིག',
            dd: '%d ཉིན་',
            M: 'ཟླ་བ་གཅིག',
            MM: '%d ཟླ་བ',
            y: 'ལོ་གཅིག',
            yy: '%d ལོ',
        },
        preparse: function (string) {
            return string.replace(/[༡༢༣༤༥༦༧༨༩༠]/g, function (match) {
                return numberMap$4[match];
            });
        },
        postformat: function (string) {
            return string.replace(/\d/g, function (match) {
                return symbolMap$5[match];
            });
        },
        meridiemParse: /མཚན་མོ|ཞོགས་ཀས|ཉིན་གུང|དགོང་དག|མཚན་མོ/,
        meridiemHour: function (hour, meridiem) {
            if (hour === 12) {
                hour = 0;
            }
            if (
                (meridiem === 'མཚན་མོ' && hour >= 4) ||
                (meridiem === 'ཉིན་གུང' && hour < 5) ||
                meridiem === 'དགོང་དག'
            ) {
                return hour + 12;
            } else {
                return hour;
            }
        },
        meridiem: function (hour, minute, isLower) {
            if (hour < 4) {
                return 'མཚན་མོ';
            } else if (hour < 10) {
                return 'ཞོགས་ཀས';
            } else if (hour < 17) {
                return 'ཉིན་གུང';
            } else if (hour < 20) {
                return 'དགོང་དག';
            } else {
                return 'མཚན་མོ';
            }
        },
        week: {
            dow: 0, // Sunday is the first day of the week.
            doy: 6, // The week that contains Jan 6th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    function relativeTimeWithMutation(number, withoutSuffix, key) {
        var format = {
            mm: 'munutenn',
            MM: 'miz',
            dd: 'devezh',
        };
        return number + ' ' + mutation(format[key], number);
    }
    function specialMutationForYears(number) {
        switch (lastNumber(number)) {
            case 1:
            case 3:
            case 4:
            case 5:
            case 9:
                return number + ' bloaz';
            default:
                return number + ' vloaz';
        }
    }
    function lastNumber(number) {
        if (number > 9) {
            return lastNumber(number % 10);
        }
        return number;
    }
    function mutation(text, number) {
        if (number === 2) {
            return softMutation(text);
        }
        return text;
    }
    function softMutation(text) {
        var mutationTable = {
            m: 'v',
            b: 'v',
            d: 'z',
        };
        if (mutationTable[text.charAt(0)] === undefined) {
            return text;
        }
        return mutationTable[text.charAt(0)] + text.substring(1);
    }

    var monthsParse = [
            /^gen/i,
            /^c[ʼ\']hwe/i,
            /^meu/i,
            /^ebr/i,
            /^mae/i,
            /^(mez|eve)/i,
            /^gou/i,
            /^eos/i,
            /^gwe/i,
            /^her/i,
            /^du/i,
            /^ker/i,
        ],
        monthsRegex$1 =
            /^(genver|c[ʼ\']hwevrer|meurzh|ebrel|mae|mezheven|gouere|eost|gwengolo|here|du|kerzu|gen|c[ʼ\']hwe|meu|ebr|mae|eve|gou|eos|gwe|her|du|ker)/i,
        monthsStrictRegex =
            /^(genver|c[ʼ\']hwevrer|meurzh|ebrel|mae|mezheven|gouere|eost|gwengolo|here|du|kerzu)/i,
        monthsShortStrictRegex =
            /^(gen|c[ʼ\']hwe|meu|ebr|mae|eve|gou|eos|gwe|her|du|ker)/i,
        fullWeekdaysParse = [
            /^sul/i,
            /^lun/i,
            /^meurzh/i,
            /^merc[ʼ\']her/i,
            /^yaou/i,
            /^gwener/i,
            /^sadorn/i,
        ],
        shortWeekdaysParse = [
            /^Sul/i,
            /^Lun/i,
            /^Meu/i,
            /^Mer/i,
            /^Yao/i,
            /^Gwe/i,
            /^Sad/i,
        ],
        minWeekdaysParse = [
            /^Su/i,
            /^Lu/i,
            /^Me([^r]|$)/i,
            /^Mer/i,
            /^Ya/i,
            /^Gw/i,
            /^Sa/i,
        ];

    hooks.defineLocale('br', {
        months: 'Genver_Cʼhwevrer_Meurzh_Ebrel_Mae_Mezheven_Gouere_Eost_Gwengolo_Here_Du_Kerzu'.split(
            '_'
        ),
        monthsShort: 'Gen_Cʼhwe_Meu_Ebr_Mae_Eve_Gou_Eos_Gwe_Her_Du_Ker'.split('_'),
        weekdays: 'Sul_Lun_Meurzh_Mercʼher_Yaou_Gwener_Sadorn'.split('_'),
        weekdaysShort: 'Sul_Lun_Meu_Mer_Yao_Gwe_Sad'.split('_'),
        weekdaysMin: 'Su_Lu_Me_Mer_Ya_Gw_Sa'.split('_'),
        weekdaysParse: minWeekdaysParse,
        fullWeekdaysParse: fullWeekdaysParse,
        shortWeekdaysParse: shortWeekdaysParse,
        minWeekdaysParse: minWeekdaysParse,

        monthsRegex: monthsRegex$1,
        monthsShortRegex: monthsRegex$1,
        monthsStrictRegex: monthsStrictRegex,
        monthsShortStrictRegex: monthsShortStrictRegex,
        monthsParse: monthsParse,
        longMonthsParse: monthsParse,
        shortMonthsParse: monthsParse,

        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD/MM/YYYY',
            LL: 'D [a viz] MMMM YYYY',
            LLL: 'D [a viz] MMMM YYYY HH:mm',
            LLLL: 'dddd, D [a viz] MMMM YYYY HH:mm',
        },
        calendar: {
            sameDay: '[Hiziv da] LT',
            nextDay: '[Warcʼhoazh da] LT',
            nextWeek: 'dddd [da] LT',
            lastDay: '[Decʼh da] LT',
            lastWeek: 'dddd [paset da] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'a-benn %s',
            past: '%s ʼzo',
            s: 'un nebeud segondennoù',
            ss: '%d eilenn',
            m: 'ur vunutenn',
            mm: relativeTimeWithMutation,
            h: 'un eur',
            hh: '%d eur',
            d: 'un devezh',
            dd: relativeTimeWithMutation,
            M: 'ur miz',
            MM: relativeTimeWithMutation,
            y: 'ur bloaz',
            yy: specialMutationForYears,
        },
        dayOfMonthOrdinalParse: /\d{1,2}(añ|vet)/,
        ordinal: function (number) {
            var output = number === 1 ? 'añ' : 'vet';
            return number + output;
        },
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
        meridiemParse: /a.m.|g.m./, // goude merenn | a-raok merenn
        isPM: function (token) {
            return token === 'g.m.';
        },
        meridiem: function (hour, minute, isLower) {
            return hour < 12 ? 'a.m.' : 'g.m.';
        },
    });

    //! moment.js locale configuration

    function translate(number, withoutSuffix, key) {
        var result = number + ' ';
        switch (key) {
            case 'ss':
                if (number === 1) {
                    result += 'sekunda';
                } else if (number === 2 || number === 3 || number === 4) {
                    result += 'sekunde';
                } else {
                    result += 'sekundi';
                }
                return result;
            case 'm':
                return withoutSuffix ? 'jedna minuta' : 'jedne minute';
            case 'mm':
                if (number === 1) {
                    result += 'minuta';
                } else if (number === 2 || number === 3 || number === 4) {
                    result += 'minute';
                } else {
                    result += 'minuta';
                }
                return result;
            case 'h':
                return withoutSuffix ? 'jedan sat' : 'jednog sata';
            case 'hh':
                if (number === 1) {
                    result += 'sat';
                } else if (number === 2 || number === 3 || number === 4) {
                    result += 'sata';
                } else {
                    result += 'sati';
                }
                return result;
            case 'dd':
                if (number === 1) {
                    result += 'dan';
                } else {
                    result += 'dana';
                }
                return result;
            case 'MM':
                if (number === 1) {
                    result += 'mjesec';
                } else if (number === 2 || number === 3 || number === 4) {
                    result += 'mjeseca';
                } else {
                    result += 'mjeseci';
                }
                return result;
            case 'yy':
                if (number === 1) {
                    result += 'godina';
                } else if (number === 2 || number === 3 || number === 4) {
                    result += 'godine';
                } else {
                    result += 'godina';
                }
                return result;
        }
    }

    hooks.defineLocale('bs', {
        months: 'januar_februar_mart_april_maj_juni_juli_august_septembar_oktobar_novembar_decembar'.split(
            '_'
        ),
        monthsShort:
            'jan._feb._mar._apr._maj._jun._jul._aug._sep._okt._nov._dec.'.split(
                '_'
            ),
        monthsParseExact: true,
        weekdays: 'nedjelja_ponedjeljak_utorak_srijeda_četvrtak_petak_subota'.split(
            '_'
        ),
        weekdaysShort: 'ned._pon._uto._sri._čet._pet._sub.'.split('_'),
        weekdaysMin: 'ne_po_ut_sr_če_pe_su'.split('_'),
        weekdaysParseExact: true,
        longDateFormat: {
            LT: 'H:mm',
            LTS: 'H:mm:ss',
            L: 'DD.MM.YYYY',
            LL: 'D. MMMM YYYY',
            LLL: 'D. MMMM YYYY H:mm',
            LLLL: 'dddd, D. MMMM YYYY H:mm',
        },
        calendar: {
            sameDay: '[danas u] LT',
            nextDay: '[sutra u] LT',
            nextWeek: function () {
                switch (this.day()) {
                    case 0:
                        return '[u] [nedjelju] [u] LT';
                    case 3:
                        return '[u] [srijedu] [u] LT';
                    case 6:
                        return '[u] [subotu] [u] LT';
                    case 1:
                    case 2:
                    case 4:
                    case 5:
                        return '[u] dddd [u] LT';
                }
            },
            lastDay: '[jučer u] LT',
            lastWeek: function () {
                switch (this.day()) {
                    case 0:
                    case 3:
                        return '[prošlu] dddd [u] LT';
                    case 6:
                        return '[prošle] [subote] [u] LT';
                    case 1:
                    case 2:
                    case 4:
                    case 5:
                        return '[prošli] dddd [u] LT';
                }
            },
            sameElse: 'L',
        },
        relativeTime: {
            future: 'za %s',
            past: 'prije %s',
            s: 'par sekundi',
            ss: translate,
            m: translate,
            mm: translate,
            h: translate,
            hh: translate,
            d: 'dan',
            dd: translate,
            M: 'mjesec',
            MM: translate,
            y: 'godinu',
            yy: translate,
        },
        dayOfMonthOrdinalParse: /\d{1,2}\./,
        ordinal: '%d.',
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 7, // The week that contains Jan 7th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('ca', {
        months: {
            standalone:
                'gener_febrer_març_abril_maig_juny_juliol_agost_setembre_octubre_novembre_desembre'.split(
                    '_'
                ),
            format: "de gener_de febrer_de març_d'abril_de maig_de juny_de juliol_d'agost_de setembre_d'octubre_de novembre_de desembre".split(
                '_'
            ),
            isFormat: /D[oD]?(\s)+MMMM/,
        },
        monthsShort:
            'gen._febr._març_abr._maig_juny_jul._ag._set._oct._nov._des.'.split(
                '_'
            ),
        monthsParseExact: true,
        weekdays:
            'diumenge_dilluns_dimarts_dimecres_dijous_divendres_dissabte'.split(
                '_'
            ),
        weekdaysShort: 'dg._dl._dt._dc._dj._dv._ds.'.split('_'),
        weekdaysMin: 'dg_dl_dt_dc_dj_dv_ds'.split('_'),
        weekdaysParseExact: true,
        longDateFormat: {
            LT: 'H:mm',
            LTS: 'H:mm:ss',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM [de] YYYY',
            ll: 'D MMM YYYY',
            LLL: 'D MMMM [de] YYYY [a les] H:mm',
            lll: 'D MMM YYYY, H:mm',
            LLLL: 'dddd D MMMM [de] YYYY [a les] H:mm',
            llll: 'ddd D MMM YYYY, H:mm',
        },
        calendar: {
            sameDay: function () {
                return '[avui a ' + (this.hours() !== 1 ? 'les' : 'la') + '] LT';
            },
            nextDay: function () {
                return '[demà a ' + (this.hours() !== 1 ? 'les' : 'la') + '] LT';
            },
            nextWeek: function () {
                return 'dddd [a ' + (this.hours() !== 1 ? 'les' : 'la') + '] LT';
            },
            lastDay: function () {
                return '[ahir a ' + (this.hours() !== 1 ? 'les' : 'la') + '] LT';
            },
            lastWeek: function () {
                return (
                    '[el] dddd [passat a ' +
                    (this.hours() !== 1 ? 'les' : 'la') +
                    '] LT'
                );
            },
            sameElse: 'L',
        },
        relativeTime: {
            future: "d'aquí %s",
            past: 'fa %s',
            s: 'uns segons',
            ss: '%d segons',
            m: 'un minut',
            mm: '%d minuts',
            h: 'una hora',
            hh: '%d hores',
            d: 'un dia',
            dd: '%d dies',
            M: 'un mes',
            MM: '%d mesos',
            y: 'un any',
            yy: '%d anys',
        },
        dayOfMonthOrdinalParse: /\d{1,2}(r|n|t|è|a)/,
        ordinal: function (number, period) {
            var output =
                number === 1
                    ? 'r'
                    : number === 2
                    ? 'n'
                    : number === 3
                    ? 'r'
                    : number === 4
                    ? 't'
                    : 'è';
            if (period === 'w' || period === 'W') {
                output = 'a';
            }
            return number + output;
        },
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    var months$4 = {
            format: 'leden_únor_březen_duben_květen_červen_červenec_srpen_září_říjen_listopad_prosinec'.split(
                '_'
            ),
            standalone:
                'ledna_února_března_dubna_května_června_července_srpna_září_října_listopadu_prosince'.split(
                    '_'
                ),
        },
        monthsShort = 'led_úno_bře_dub_kvě_čvn_čvc_srp_zář_říj_lis_pro'.split('_'),
        monthsParse$1 = [
            /^led/i,
            /^úno/i,
            /^bře/i,
            /^dub/i,
            /^kvě/i,
            /^(čvn|červen$|června)/i,
            /^(čvc|červenec|července)/i,
            /^srp/i,
            /^zář/i,
            /^říj/i,
            /^lis/i,
            /^pro/i,
        ],
        // NOTE: 'červen' is substring of 'červenec'; therefore 'červenec' must precede 'červen' in the regex to be fully matched.
        // Otherwise parser matches '1. červenec' as '1. červen' + 'ec'.
        monthsRegex$2 =
            /^(leden|únor|březen|duben|květen|červenec|července|červen|června|srpen|září|říjen|listopad|prosinec|led|úno|bře|dub|kvě|čvn|čvc|srp|zář|říj|lis|pro)/i;

    function plural$1(n) {
        return n > 1 && n < 5 && ~~(n / 10) !== 1;
    }
    function translate$1(number, withoutSuffix, key, isFuture) {
        var result = number + ' ';
        switch (key) {
            case 's': // a few seconds / in a few seconds / a few seconds ago
                return withoutSuffix || isFuture ? 'pár sekund' : 'pár sekundami';
            case 'ss': // 9 seconds / in 9 seconds / 9 seconds ago
                if (withoutSuffix || isFuture) {
                    return result + (plural$1(number) ? 'sekundy' : 'sekund');
                } else {
                    return result + 'sekundami';
                }
            case 'm': // a minute / in a minute / a minute ago
                return withoutSuffix ? 'minuta' : isFuture ? 'minutu' : 'minutou';
            case 'mm': // 9 minutes / in 9 minutes / 9 minutes ago
                if (withoutSuffix || isFuture) {
                    return result + (plural$1(number) ? 'minuty' : 'minut');
                } else {
                    return result + 'minutami';
                }
            case 'h': // an hour / in an hour / an hour ago
                return withoutSuffix ? 'hodina' : isFuture ? 'hodinu' : 'hodinou';
            case 'hh': // 9 hours / in 9 hours / 9 hours ago
                if (withoutSuffix || isFuture) {
                    return result + (plural$1(number) ? 'hodiny' : 'hodin');
                } else {
                    return result + 'hodinami';
                }
            case 'd': // a day / in a day / a day ago
                return withoutSuffix || isFuture ? 'den' : 'dnem';
            case 'dd': // 9 days / in 9 days / 9 days ago
                if (withoutSuffix || isFuture) {
                    return result + (plural$1(number) ? 'dny' : 'dní');
                } else {
                    return result + 'dny';
                }
            case 'M': // a month / in a month / a month ago
                return withoutSuffix || isFuture ? 'měsíc' : 'měsícem';
            case 'MM': // 9 months / in 9 months / 9 months ago
                if (withoutSuffix || isFuture) {
                    return result + (plural$1(number) ? 'měsíce' : 'měsíců');
                } else {
                    return result + 'měsíci';
                }
            case 'y': // a year / in a year / a year ago
                return withoutSuffix || isFuture ? 'rok' : 'rokem';
            case 'yy': // 9 years / in 9 years / 9 years ago
                if (withoutSuffix || isFuture) {
                    return result + (plural$1(number) ? 'roky' : 'let');
                } else {
                    return result + 'lety';
                }
        }
    }

    hooks.defineLocale('cs', {
        months: months$4,
        monthsShort: monthsShort,
        monthsRegex: monthsRegex$2,
        monthsShortRegex: monthsRegex$2,
        // NOTE: 'červen' is substring of 'červenec'; therefore 'červenec' must precede 'červen' in the regex to be fully matched.
        // Otherwise parser matches '1. červenec' as '1. červen' + 'ec'.
        monthsStrictRegex:
            /^(leden|ledna|února|únor|březen|března|duben|dubna|květen|května|červenec|července|červen|června|srpen|srpna|září|říjen|října|listopadu|listopad|prosinec|prosince)/i,
        monthsShortStrictRegex:
            /^(led|úno|bře|dub|kvě|čvn|čvc|srp|zář|říj|lis|pro)/i,
        monthsParse: monthsParse$1,
        longMonthsParse: monthsParse$1,
        shortMonthsParse: monthsParse$1,
        weekdays: 'neděle_pondělí_úterý_středa_čtvrtek_pátek_sobota'.split('_'),
        weekdaysShort: 'ne_po_út_st_čt_pá_so'.split('_'),
        weekdaysMin: 'ne_po_út_st_čt_pá_so'.split('_'),
        longDateFormat: {
            LT: 'H:mm',
            LTS: 'H:mm:ss',
            L: 'DD.MM.YYYY',
            LL: 'D. MMMM YYYY',
            LLL: 'D. MMMM YYYY H:mm',
            LLLL: 'dddd D. MMMM YYYY H:mm',
            l: 'D. M. YYYY',
        },
        calendar: {
            sameDay: '[dnes v] LT',
            nextDay: '[zítra v] LT',
            nextWeek: function () {
                switch (this.day()) {
                    case 0:
                        return '[v neděli v] LT';
                    case 1:
                    case 2:
                        return '[v] dddd [v] LT';
                    case 3:
                        return '[ve středu v] LT';
                    case 4:
                        return '[ve čtvrtek v] LT';
                    case 5:
                        return '[v pátek v] LT';
                    case 6:
                        return '[v sobotu v] LT';
                }
            },
            lastDay: '[včera v] LT',
            lastWeek: function () {
                switch (this.day()) {
                    case 0:
                        return '[minulou neděli v] LT';
                    case 1:
                    case 2:
                        return '[minulé] dddd [v] LT';
                    case 3:
                        return '[minulou středu v] LT';
                    case 4:
                    case 5:
                        return '[minulý] dddd [v] LT';
                    case 6:
                        return '[minulou sobotu v] LT';
                }
            },
            sameElse: 'L',
        },
        relativeTime: {
            future: 'za %s',
            past: 'před %s',
            s: translate$1,
            ss: translate$1,
            m: translate$1,
            mm: translate$1,
            h: translate$1,
            hh: translate$1,
            d: translate$1,
            dd: translate$1,
            M: translate$1,
            MM: translate$1,
            y: translate$1,
            yy: translate$1,
        },
        dayOfMonthOrdinalParse: /\d{1,2}\./,
        ordinal: '%d.',
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('cv', {
        months: 'кӑрлач_нарӑс_пуш_ака_май_ҫӗртме_утӑ_ҫурла_авӑн_юпа_чӳк_раштав'.split(
            '_'
        ),
        monthsShort: 'кӑр_нар_пуш_ака_май_ҫӗр_утӑ_ҫур_авн_юпа_чӳк_раш'.split('_'),
        weekdays:
            'вырсарникун_тунтикун_ытларикун_юнкун_кӗҫнерникун_эрнекун_шӑматкун'.split(
                '_'
            ),
        weekdaysShort: 'выр_тун_ытл_юн_кӗҫ_эрн_шӑм'.split('_'),
        weekdaysMin: 'вр_тн_ыт_юн_кҫ_эр_шм'.split('_'),
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD-MM-YYYY',
            LL: 'YYYY [ҫулхи] MMMM [уйӑхӗн] D[-мӗшӗ]',
            LLL: 'YYYY [ҫулхи] MMMM [уйӑхӗн] D[-мӗшӗ], HH:mm',
            LLLL: 'dddd, YYYY [ҫулхи] MMMM [уйӑхӗн] D[-мӗшӗ], HH:mm',
        },
        calendar: {
            sameDay: '[Паян] LT [сехетре]',
            nextDay: '[Ыран] LT [сехетре]',
            lastDay: '[Ӗнер] LT [сехетре]',
            nextWeek: '[Ҫитес] dddd LT [сехетре]',
            lastWeek: '[Иртнӗ] dddd LT [сехетре]',
            sameElse: 'L',
        },
        relativeTime: {
            future: function (output) {
                var affix = /сехет$/i.exec(output)
                    ? 'рен'
                    : /ҫул$/i.exec(output)
                    ? 'тан'
                    : 'ран';
                return output + affix;
            },
            past: '%s каялла',
            s: 'пӗр-ик ҫеккунт',
            ss: '%d ҫеккунт',
            m: 'пӗр минут',
            mm: '%d минут',
            h: 'пӗр сехет',
            hh: '%d сехет',
            d: 'пӗр кун',
            dd: '%d кун',
            M: 'пӗр уйӑх',
            MM: '%d уйӑх',
            y: 'пӗр ҫул',
            yy: '%d ҫул',
        },
        dayOfMonthOrdinalParse: /\d{1,2}-мӗш/,
        ordinal: '%d-мӗш',
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 7, // The week that contains Jan 7th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('cy', {
        months: 'Ionawr_Chwefror_Mawrth_Ebrill_Mai_Mehefin_Gorffennaf_Awst_Medi_Hydref_Tachwedd_Rhagfyr'.split(
            '_'
        ),
        monthsShort: 'Ion_Chwe_Maw_Ebr_Mai_Meh_Gor_Aws_Med_Hyd_Tach_Rhag'.split(
            '_'
        ),
        weekdays:
            'Dydd Sul_Dydd Llun_Dydd Mawrth_Dydd Mercher_Dydd Iau_Dydd Gwener_Dydd Sadwrn'.split(
                '_'
            ),
        weekdaysShort: 'Sul_Llun_Maw_Mer_Iau_Gwe_Sad'.split('_'),
        weekdaysMin: 'Su_Ll_Ma_Me_Ia_Gw_Sa'.split('_'),
        weekdaysParseExact: true,
        // time formats are the same as en-gb
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY HH:mm',
            LLLL: 'dddd, D MMMM YYYY HH:mm',
        },
        calendar: {
            sameDay: '[Heddiw am] LT',
            nextDay: '[Yfory am] LT',
            nextWeek: 'dddd [am] LT',
            lastDay: '[Ddoe am] LT',
            lastWeek: 'dddd [diwethaf am] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'mewn %s',
            past: '%s yn ôl',
            s: 'ychydig eiliadau',
            ss: '%d eiliad',
            m: 'munud',
            mm: '%d munud',
            h: 'awr',
            hh: '%d awr',
            d: 'diwrnod',
            dd: '%d diwrnod',
            M: 'mis',
            MM: '%d mis',
            y: 'blwyddyn',
            yy: '%d flynedd',
        },
        dayOfMonthOrdinalParse: /\d{1,2}(fed|ain|af|il|ydd|ed|eg)/,
        // traditional ordinal numbers above 31 are not commonly used in colloquial Welsh
        ordinal: function (number) {
            var b = number,
                output = '',
                lookup = [
                    '',
                    'af',
                    'il',
                    'ydd',
                    'ydd',
                    'ed',
                    'ed',
                    'ed',
                    'fed',
                    'fed',
                    'fed', // 1af to 10fed
                    'eg',
                    'fed',
                    'eg',
                    'eg',
                    'fed',
                    'eg',
                    'eg',
                    'fed',
                    'eg',
                    'fed', // 11eg to 20fed
                ];
            if (b > 20) {
                if (b === 40 || b === 50 || b === 60 || b === 80 || b === 100) {
                    output = 'fed'; // not 30ain, 70ain or 90ain
                } else {
                    output = 'ain';
                }
            } else if (b > 0) {
                output = lookup[b];
            }
            return number + output;
        },
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('da', {
        months: 'januar_februar_marts_april_maj_juni_juli_august_september_oktober_november_december'.split(
            '_'
        ),
        monthsShort: 'jan_feb_mar_apr_maj_jun_jul_aug_sep_okt_nov_dec'.split('_'),
        weekdays: 'søndag_mandag_tirsdag_onsdag_torsdag_fredag_lørdag'.split('_'),
        weekdaysShort: 'søn_man_tir_ons_tor_fre_lør'.split('_'),
        weekdaysMin: 'sø_ma_ti_on_to_fr_lø'.split('_'),
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD.MM.YYYY',
            LL: 'D. MMMM YYYY',
            LLL: 'D. MMMM YYYY HH:mm',
            LLLL: 'dddd [d.] D. MMMM YYYY [kl.] HH:mm',
        },
        calendar: {
            sameDay: '[i dag kl.] LT',
            nextDay: '[i morgen kl.] LT',
            nextWeek: 'på dddd [kl.] LT',
            lastDay: '[i går kl.] LT',
            lastWeek: '[i] dddd[s kl.] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'om %s',
            past: '%s siden',
            s: 'få sekunder',
            ss: '%d sekunder',
            m: 'et minut',
            mm: '%d minutter',
            h: 'en time',
            hh: '%d timer',
            d: 'en dag',
            dd: '%d dage',
            M: 'en måned',
            MM: '%d måneder',
            y: 'et år',
            yy: '%d år',
        },
        dayOfMonthOrdinalParse: /\d{1,2}\./,
        ordinal: '%d.',
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    function processRelativeTime(number, withoutSuffix, key, isFuture) {
        var format = {
            m: ['eine Minute', 'einer Minute'],
            h: ['eine Stunde', 'einer Stunde'],
            d: ['ein Tag', 'einem Tag'],
            dd: [number + ' Tage', number + ' Tagen'],
            w: ['eine Woche', 'einer Woche'],
            M: ['ein Monat', 'einem Monat'],
            MM: [number + ' Monate', number + ' Monaten'],
            y: ['ein Jahr', 'einem Jahr'],
            yy: [number + ' Jahre', number + ' Jahren'],
        };
        return withoutSuffix ? format[key][0] : format[key][1];
    }

    hooks.defineLocale('de-at', {
        months: 'Jänner_Februar_März_April_Mai_Juni_Juli_August_September_Oktober_November_Dezember'.split(
            '_'
        ),
        monthsShort:
            'Jän._Feb._März_Apr._Mai_Juni_Juli_Aug._Sep._Okt._Nov._Dez.'.split('_'),
        monthsParseExact: true,
        weekdays:
            'Sonntag_Montag_Dienstag_Mittwoch_Donnerstag_Freitag_Samstag'.split(
                '_'
            ),
        weekdaysShort: 'So._Mo._Di._Mi._Do._Fr._Sa.'.split('_'),
        weekdaysMin: 'So_Mo_Di_Mi_Do_Fr_Sa'.split('_'),
        weekdaysParseExact: true,
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD.MM.YYYY',
            LL: 'D. MMMM YYYY',
            LLL: 'D. MMMM YYYY HH:mm',
            LLLL: 'dddd, D. MMMM YYYY HH:mm',
        },
        calendar: {
            sameDay: '[heute um] LT [Uhr]',
            sameElse: 'L',
            nextDay: '[morgen um] LT [Uhr]',
            nextWeek: 'dddd [um] LT [Uhr]',
            lastDay: '[gestern um] LT [Uhr]',
            lastWeek: '[letzten] dddd [um] LT [Uhr]',
        },
        relativeTime: {
            future: 'in %s',
            past: 'vor %s',
            s: 'ein paar Sekunden',
            ss: '%d Sekunden',
            m: processRelativeTime,
            mm: '%d Minuten',
            h: processRelativeTime,
            hh: '%d Stunden',
            d: processRelativeTime,
            dd: processRelativeTime,
            w: processRelativeTime,
            ww: '%d Wochen',
            M: processRelativeTime,
            MM: processRelativeTime,
            y: processRelativeTime,
            yy: processRelativeTime,
        },
        dayOfMonthOrdinalParse: /\d{1,2}\./,
        ordinal: '%d.',
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    function processRelativeTime$1(number, withoutSuffix, key, isFuture) {
        var format = {
            m: ['eine Minute', 'einer Minute'],
            h: ['eine Stunde', 'einer Stunde'],
            d: ['ein Tag', 'einem Tag'],
            dd: [number + ' Tage', number + ' Tagen'],
            w: ['eine Woche', 'einer Woche'],
            M: ['ein Monat', 'einem Monat'],
            MM: [number + ' Monate', number + ' Monaten'],
            y: ['ein Jahr', 'einem Jahr'],
            yy: [number + ' Jahre', number + ' Jahren'],
        };
        return withoutSuffix ? format[key][0] : format[key][1];
    }

    hooks.defineLocale('de-ch', {
        months: 'Januar_Februar_März_April_Mai_Juni_Juli_August_September_Oktober_November_Dezember'.split(
            '_'
        ),
        monthsShort:
            'Jan._Feb._März_Apr._Mai_Juni_Juli_Aug._Sep._Okt._Nov._Dez.'.split('_'),
        monthsParseExact: true,
        weekdays:
            'Sonntag_Montag_Dienstag_Mittwoch_Donnerstag_Freitag_Samstag'.split(
                '_'
            ),
        weekdaysShort: 'So_Mo_Di_Mi_Do_Fr_Sa'.split('_'),
        weekdaysMin: 'So_Mo_Di_Mi_Do_Fr_Sa'.split('_'),
        weekdaysParseExact: true,
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD.MM.YYYY',
            LL: 'D. MMMM YYYY',
            LLL: 'D. MMMM YYYY HH:mm',
            LLLL: 'dddd, D. MMMM YYYY HH:mm',
        },
        calendar: {
            sameDay: '[heute um] LT [Uhr]',
            sameElse: 'L',
            nextDay: '[morgen um] LT [Uhr]',
            nextWeek: 'dddd [um] LT [Uhr]',
            lastDay: '[gestern um] LT [Uhr]',
            lastWeek: '[letzten] dddd [um] LT [Uhr]',
        },
        relativeTime: {
            future: 'in %s',
            past: 'vor %s',
            s: 'ein paar Sekunden',
            ss: '%d Sekunden',
            m: processRelativeTime$1,
            mm: '%d Minuten',
            h: processRelativeTime$1,
            hh: '%d Stunden',
            d: processRelativeTime$1,
            dd: processRelativeTime$1,
            w: processRelativeTime$1,
            ww: '%d Wochen',
            M: processRelativeTime$1,
            MM: processRelativeTime$1,
            y: processRelativeTime$1,
            yy: processRelativeTime$1,
        },
        dayOfMonthOrdinalParse: /\d{1,2}\./,
        ordinal: '%d.',
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    function processRelativeTime$2(number, withoutSuffix, key, isFuture) {
        var format = {
            m: ['eine Minute', 'einer Minute'],
            h: ['eine Stunde', 'einer Stunde'],
            d: ['ein Tag', 'einem Tag'],
            dd: [number + ' Tage', number + ' Tagen'],
            w: ['eine Woche', 'einer Woche'],
            M: ['ein Monat', 'einem Monat'],
            MM: [number + ' Monate', number + ' Monaten'],
            y: ['ein Jahr', 'einem Jahr'],
            yy: [number + ' Jahre', number + ' Jahren'],
        };
        return withoutSuffix ? format[key][0] : format[key][1];
    }

    hooks.defineLocale('de', {
        months: 'Januar_Februar_März_April_Mai_Juni_Juli_August_September_Oktober_November_Dezember'.split(
            '_'
        ),
        monthsShort:
            'Jan._Feb._März_Apr._Mai_Juni_Juli_Aug._Sep._Okt._Nov._Dez.'.split('_'),
        monthsParseExact: true,
        weekdays:
            'Sonntag_Montag_Dienstag_Mittwoch_Donnerstag_Freitag_Samstag'.split(
                '_'
            ),
        weekdaysShort: 'So._Mo._Di._Mi._Do._Fr._Sa.'.split('_'),
        weekdaysMin: 'So_Mo_Di_Mi_Do_Fr_Sa'.split('_'),
        weekdaysParseExact: true,
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD.MM.YYYY',
            LL: 'D. MMMM YYYY',
            LLL: 'D. MMMM YYYY HH:mm',
            LLLL: 'dddd, D. MMMM YYYY HH:mm',
        },
        calendar: {
            sameDay: '[heute um] LT [Uhr]',
            sameElse: 'L',
            nextDay: '[morgen um] LT [Uhr]',
            nextWeek: 'dddd [um] LT [Uhr]',
            lastDay: '[gestern um] LT [Uhr]',
            lastWeek: '[letzten] dddd [um] LT [Uhr]',
        },
        relativeTime: {
            future: 'in %s',
            past: 'vor %s',
            s: 'ein paar Sekunden',
            ss: '%d Sekunden',
            m: processRelativeTime$2,
            mm: '%d Minuten',
            h: processRelativeTime$2,
            hh: '%d Stunden',
            d: processRelativeTime$2,
            dd: processRelativeTime$2,
            w: processRelativeTime$2,
            ww: '%d Wochen',
            M: processRelativeTime$2,
            MM: processRelativeTime$2,
            y: processRelativeTime$2,
            yy: processRelativeTime$2,
        },
        dayOfMonthOrdinalParse: /\d{1,2}\./,
        ordinal: '%d.',
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    var months$5 = [
            'ޖެނުއަރީ',
            'ފެބްރުއަރީ',
            'މާރިޗު',
            'އޭޕްރީލު',
            'މޭ',
            'ޖޫން',
            'ޖުލައި',
            'އޯގަސްޓު',
            'ސެޕްޓެމްބަރު',
            'އޮކްޓޯބަރު',
            'ނޮވެމްބަރު',
            'ޑިސެމްބަރު',
        ],
        weekdays = [
            'އާދިއްތަ',
            'ހޯމަ',
            'އަންގާރަ',
            'ބުދަ',
            'ބުރާސްފަތި',
            'ހުކުރު',
            'ހޮނިހިރު',
        ];

    hooks.defineLocale('dv', {
        months: months$5,
        monthsShort: months$5,
        weekdays: weekdays,
        weekdaysShort: weekdays,
        weekdaysMin: 'އާދި_ހޯމަ_އަން_ބުދަ_ބުރާ_ހުކު_ހޮނި'.split('_'),
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'D/M/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY HH:mm',
            LLLL: 'dddd D MMMM YYYY HH:mm',
        },
        meridiemParse: /މކ|މފ/,
        isPM: function (input) {
            return 'މފ' === input;
        },
        meridiem: function (hour, minute, isLower) {
            if (hour < 12) {
                return 'މކ';
            } else {
                return 'މފ';
            }
        },
        calendar: {
            sameDay: '[މިއަދު] LT',
            nextDay: '[މާދަމާ] LT',
            nextWeek: 'dddd LT',
            lastDay: '[އިއްޔެ] LT',
            lastWeek: '[ފާއިތުވި] dddd LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'ތެރޭގައި %s',
            past: 'ކުރިން %s',
            s: 'ސިކުންތުކޮޅެއް',
            ss: 'd% ސިކުންތު',
            m: 'މިނިޓެއް',
            mm: 'މިނިޓު %d',
            h: 'ގަޑިއިރެއް',
            hh: 'ގަޑިއިރު %d',
            d: 'ދުވަހެއް',
            dd: 'ދުވަސް %d',
            M: 'މަހެއް',
            MM: 'މަސް %d',
            y: 'އަހަރެއް',
            yy: 'އަހަރު %d',
        },
        preparse: function (string) {
            return string.replace(/،/g, ',');
        },
        postformat: function (string) {
            return string.replace(/,/g, '،');
        },
        week: {
            dow: 7, // Sunday is the first day of the week.
            doy: 12, // The week that contains Jan 12th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    function isFunction$1(input) {
        return (
            (typeof Function !== 'undefined' && input instanceof Function) ||
            Object.prototype.toString.call(input) === '[object Function]'
        );
    }

    hooks.defineLocale('el', {
        monthsNominativeEl:
            'Ιανουάριος_Φεβρουάριος_Μάρτιος_Απρίλιος_Μάιος_Ιούνιος_Ιούλιος_Αύγουστος_Σεπτέμβριος_Οκτώβριος_Νοέμβριος_Δεκέμβριος'.split(
                '_'
            ),
        monthsGenitiveEl:
            'Ιανουαρίου_Φεβρουαρίου_Μαρτίου_Απριλίου_Μαΐου_Ιουνίου_Ιουλίου_Αυγούστου_Σεπτεμβρίου_Οκτωβρίου_Νοεμβρίου_Δεκεμβρίου'.split(
                '_'
            ),
        months: function (momentToFormat, format) {
            if (!momentToFormat) {
                return this._monthsNominativeEl;
            } else if (
                typeof format === 'string' &&
                /D/.test(format.substring(0, format.indexOf('MMMM')))
            ) {
                // if there is a day number before 'MMMM'
                return this._monthsGenitiveEl[momentToFormat.month()];
            } else {
                return this._monthsNominativeEl[momentToFormat.month()];
            }
        },
        monthsShort: 'Ιαν_Φεβ_Μαρ_Απρ_Μαϊ_Ιουν_Ιουλ_Αυγ_Σεπ_Οκτ_Νοε_Δεκ'.split('_'),
        weekdays: 'Κυριακή_Δευτέρα_Τρίτη_Τετάρτη_Πέμπτη_Παρασκευή_Σάββατο'.split(
            '_'
        ),
        weekdaysShort: 'Κυρ_Δευ_Τρι_Τετ_Πεμ_Παρ_Σαβ'.split('_'),
        weekdaysMin: 'Κυ_Δε_Τρ_Τε_Πε_Πα_Σα'.split('_'),
        meridiem: function (hours, minutes, isLower) {
            if (hours > 11) {
                return isLower ? 'μμ' : 'ΜΜ';
            } else {
                return isLower ? 'πμ' : 'ΠΜ';
            }
        },
        isPM: function (input) {
            return (input + '').toLowerCase()[0] === 'μ';
        },
        meridiemParse: /[ΠΜ]\.?Μ?\.?/i,
        longDateFormat: {
            LT: 'h:mm A',
            LTS: 'h:mm:ss A',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY h:mm A',
            LLLL: 'dddd, D MMMM YYYY h:mm A',
        },
        calendarEl: {
            sameDay: '[Σήμερα {}] LT',
            nextDay: '[Αύριο {}] LT',
            nextWeek: 'dddd [{}] LT',
            lastDay: '[Χθες {}] LT',
            lastWeek: function () {
                switch (this.day()) {
                    case 6:
                        return '[το προηγούμενο] dddd [{}] LT';
                    default:
                        return '[την προηγούμενη] dddd [{}] LT';
                }
            },
            sameElse: 'L',
        },
        calendar: function (key, mom) {
            var output = this._calendarEl[key],
                hours = mom && mom.hours();
            if (isFunction$1(output)) {
                output = output.apply(mom);
            }
            return output.replace('{}', hours % 12 === 1 ? 'στη' : 'στις');
        },
        relativeTime: {
            future: 'σε %s',
            past: '%s πριν',
            s: 'λίγα δευτερόλεπτα',
            ss: '%d δευτερόλεπτα',
            m: 'ένα λεπτό',
            mm: '%d λεπτά',
            h: 'μία ώρα',
            hh: '%d ώρες',
            d: 'μία μέρα',
            dd: '%d μέρες',
            M: 'ένας μήνας',
            MM: '%d μήνες',
            y: 'ένας χρόνος',
            yy: '%d χρόνια',
        },
        dayOfMonthOrdinalParse: /\d{1,2}η/,
        ordinal: '%dη',
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4st is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('en-au', {
        months: 'January_February_March_April_May_June_July_August_September_October_November_December'.split(
            '_'
        ),
        monthsShort: 'Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec'.split('_'),
        weekdays: 'Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday'.split(
            '_'
        ),
        weekdaysShort: 'Sun_Mon_Tue_Wed_Thu_Fri_Sat'.split('_'),
        weekdaysMin: 'Su_Mo_Tu_We_Th_Fr_Sa'.split('_'),
        longDateFormat: {
            LT: 'h:mm A',
            LTS: 'h:mm:ss A',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY h:mm A',
            LLLL: 'dddd, D MMMM YYYY h:mm A',
        },
        calendar: {
            sameDay: '[Today at] LT',
            nextDay: '[Tomorrow at] LT',
            nextWeek: 'dddd [at] LT',
            lastDay: '[Yesterday at] LT',
            lastWeek: '[Last] dddd [at] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'in %s',
            past: '%s ago',
            s: 'a few seconds',
            ss: '%d seconds',
            m: 'a minute',
            mm: '%d minutes',
            h: 'an hour',
            hh: '%d hours',
            d: 'a day',
            dd: '%d days',
            M: 'a month',
            MM: '%d months',
            y: 'a year',
            yy: '%d years',
        },
        dayOfMonthOrdinalParse: /\d{1,2}(st|nd|rd|th)/,
        ordinal: function (number) {
            var b = number % 10,
                output =
                    ~~((number % 100) / 10) === 1
                        ? 'th'
                        : b === 1
                        ? 'st'
                        : b === 2
                        ? 'nd'
                        : b === 3
                        ? 'rd'
                        : 'th';
            return number + output;
        },
        week: {
            dow: 0, // Sunday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('en-ca', {
        months: 'January_February_March_April_May_June_July_August_September_October_November_December'.split(
            '_'
        ),
        monthsShort: 'Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec'.split('_'),
        weekdays: 'Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday'.split(
            '_'
        ),
        weekdaysShort: 'Sun_Mon_Tue_Wed_Thu_Fri_Sat'.split('_'),
        weekdaysMin: 'Su_Mo_Tu_We_Th_Fr_Sa'.split('_'),
        longDateFormat: {
            LT: 'h:mm A',
            LTS: 'h:mm:ss A',
            L: 'YYYY-MM-DD',
            LL: 'MMMM D, YYYY',
            LLL: 'MMMM D, YYYY h:mm A',
            LLLL: 'dddd, MMMM D, YYYY h:mm A',
        },
        calendar: {
            sameDay: '[Today at] LT',
            nextDay: '[Tomorrow at] LT',
            nextWeek: 'dddd [at] LT',
            lastDay: '[Yesterday at] LT',
            lastWeek: '[Last] dddd [at] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'in %s',
            past: '%s ago',
            s: 'a few seconds',
            ss: '%d seconds',
            m: 'a minute',
            mm: '%d minutes',
            h: 'an hour',
            hh: '%d hours',
            d: 'a day',
            dd: '%d days',
            M: 'a month',
            MM: '%d months',
            y: 'a year',
            yy: '%d years',
        },
        dayOfMonthOrdinalParse: /\d{1,2}(st|nd|rd|th)/,
        ordinal: function (number) {
            var b = number % 10,
                output =
                    ~~((number % 100) / 10) === 1
                        ? 'th'
                        : b === 1
                        ? 'st'
                        : b === 2
                        ? 'nd'
                        : b === 3
                        ? 'rd'
                        : 'th';
            return number + output;
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('en-gb', {
        months: 'January_February_March_April_May_June_July_August_September_October_November_December'.split(
            '_'
        ),
        monthsShort: 'Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec'.split('_'),
        weekdays: 'Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday'.split(
            '_'
        ),
        weekdaysShort: 'Sun_Mon_Tue_Wed_Thu_Fri_Sat'.split('_'),
        weekdaysMin: 'Su_Mo_Tu_We_Th_Fr_Sa'.split('_'),
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY HH:mm',
            LLLL: 'dddd, D MMMM YYYY HH:mm',
        },
        calendar: {
            sameDay: '[Today at] LT',
            nextDay: '[Tomorrow at] LT',
            nextWeek: 'dddd [at] LT',
            lastDay: '[Yesterday at] LT',
            lastWeek: '[Last] dddd [at] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'in %s',
            past: '%s ago',
            s: 'a few seconds',
            ss: '%d seconds',
            m: 'a minute',
            mm: '%d minutes',
            h: 'an hour',
            hh: '%d hours',
            d: 'a day',
            dd: '%d days',
            M: 'a month',
            MM: '%d months',
            y: 'a year',
            yy: '%d years',
        },
        dayOfMonthOrdinalParse: /\d{1,2}(st|nd|rd|th)/,
        ordinal: function (number) {
            var b = number % 10,
                output =
                    ~~((number % 100) / 10) === 1
                        ? 'th'
                        : b === 1
                        ? 'st'
                        : b === 2
                        ? 'nd'
                        : b === 3
                        ? 'rd'
                        : 'th';
            return number + output;
        },
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('en-ie', {
        months: 'January_February_March_April_May_June_July_August_September_October_November_December'.split(
            '_'
        ),
        monthsShort: 'Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec'.split('_'),
        weekdays: 'Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday'.split(
            '_'
        ),
        weekdaysShort: 'Sun_Mon_Tue_Wed_Thu_Fri_Sat'.split('_'),
        weekdaysMin: 'Su_Mo_Tu_We_Th_Fr_Sa'.split('_'),
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY HH:mm',
            LLLL: 'dddd D MMMM YYYY HH:mm',
        },
        calendar: {
            sameDay: '[Today at] LT',
            nextDay: '[Tomorrow at] LT',
            nextWeek: 'dddd [at] LT',
            lastDay: '[Yesterday at] LT',
            lastWeek: '[Last] dddd [at] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'in %s',
            past: '%s ago',
            s: 'a few seconds',
            ss: '%d seconds',
            m: 'a minute',
            mm: '%d minutes',
            h: 'an hour',
            hh: '%d hours',
            d: 'a day',
            dd: '%d days',
            M: 'a month',
            MM: '%d months',
            y: 'a year',
            yy: '%d years',
        },
        dayOfMonthOrdinalParse: /\d{1,2}(st|nd|rd|th)/,
        ordinal: function (number) {
            var b = number % 10,
                output =
                    ~~((number % 100) / 10) === 1
                        ? 'th'
                        : b === 1
                        ? 'st'
                        : b === 2
                        ? 'nd'
                        : b === 3
                        ? 'rd'
                        : 'th';
            return number + output;
        },
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('en-il', {
        months: 'January_February_March_April_May_June_July_August_September_October_November_December'.split(
            '_'
        ),
        monthsShort: 'Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec'.split('_'),
        weekdays: 'Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday'.split(
            '_'
        ),
        weekdaysShort: 'Sun_Mon_Tue_Wed_Thu_Fri_Sat'.split('_'),
        weekdaysMin: 'Su_Mo_Tu_We_Th_Fr_Sa'.split('_'),
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY HH:mm',
            LLLL: 'dddd, D MMMM YYYY HH:mm',
        },
        calendar: {
            sameDay: '[Today at] LT',
            nextDay: '[Tomorrow at] LT',
            nextWeek: 'dddd [at] LT',
            lastDay: '[Yesterday at] LT',
            lastWeek: '[Last] dddd [at] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'in %s',
            past: '%s ago',
            s: 'a few seconds',
            ss: '%d seconds',
            m: 'a minute',
            mm: '%d minutes',
            h: 'an hour',
            hh: '%d hours',
            d: 'a day',
            dd: '%d days',
            M: 'a month',
            MM: '%d months',
            y: 'a year',
            yy: '%d years',
        },
        dayOfMonthOrdinalParse: /\d{1,2}(st|nd|rd|th)/,
        ordinal: function (number) {
            var b = number % 10,
                output =
                    ~~((number % 100) / 10) === 1
                        ? 'th'
                        : b === 1
                        ? 'st'
                        : b === 2
                        ? 'nd'
                        : b === 3
                        ? 'rd'
                        : 'th';
            return number + output;
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('en-in', {
        months: 'January_February_March_April_May_June_July_August_September_October_November_December'.split(
            '_'
        ),
        monthsShort: 'Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec'.split('_'),
        weekdays: 'Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday'.split(
            '_'
        ),
        weekdaysShort: 'Sun_Mon_Tue_Wed_Thu_Fri_Sat'.split('_'),
        weekdaysMin: 'Su_Mo_Tu_We_Th_Fr_Sa'.split('_'),
        longDateFormat: {
            LT: 'h:mm A',
            LTS: 'h:mm:ss A',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY h:mm A',
            LLLL: 'dddd, D MMMM YYYY h:mm A',
        },
        calendar: {
            sameDay: '[Today at] LT',
            nextDay: '[Tomorrow at] LT',
            nextWeek: 'dddd [at] LT',
            lastDay: '[Yesterday at] LT',
            lastWeek: '[Last] dddd [at] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'in %s',
            past: '%s ago',
            s: 'a few seconds',
            ss: '%d seconds',
            m: 'a minute',
            mm: '%d minutes',
            h: 'an hour',
            hh: '%d hours',
            d: 'a day',
            dd: '%d days',
            M: 'a month',
            MM: '%d months',
            y: 'a year',
            yy: '%d years',
        },
        dayOfMonthOrdinalParse: /\d{1,2}(st|nd|rd|th)/,
        ordinal: function (number) {
            var b = number % 10,
                output =
                    ~~((number % 100) / 10) === 1
                        ? 'th'
                        : b === 1
                        ? 'st'
                        : b === 2
                        ? 'nd'
                        : b === 3
                        ? 'rd'
                        : 'th';
            return number + output;
        },
        week: {
            dow: 0, // Sunday is the first day of the week.
            doy: 6, // The week that contains Jan 1st is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('en-nz', {
        months: 'January_February_March_April_May_June_July_August_September_October_November_December'.split(
            '_'
        ),
        monthsShort: 'Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec'.split('_'),
        weekdays: 'Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday'.split(
            '_'
        ),
        weekdaysShort: 'Sun_Mon_Tue_Wed_Thu_Fri_Sat'.split('_'),
        weekdaysMin: 'Su_Mo_Tu_We_Th_Fr_Sa'.split('_'),
        longDateFormat: {
            LT: 'h:mm A',
            LTS: 'h:mm:ss A',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY h:mm A',
            LLLL: 'dddd, D MMMM YYYY h:mm A',
        },
        calendar: {
            sameDay: '[Today at] LT',
            nextDay: '[Tomorrow at] LT',
            nextWeek: 'dddd [at] LT',
            lastDay: '[Yesterday at] LT',
            lastWeek: '[Last] dddd [at] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'in %s',
            past: '%s ago',
            s: 'a few seconds',
            ss: '%d seconds',
            m: 'a minute',
            mm: '%d minutes',
            h: 'an hour',
            hh: '%d hours',
            d: 'a day',
            dd: '%d days',
            M: 'a month',
            MM: '%d months',
            y: 'a year',
            yy: '%d years',
        },
        dayOfMonthOrdinalParse: /\d{1,2}(st|nd|rd|th)/,
        ordinal: function (number) {
            var b = number % 10,
                output =
                    ~~((number % 100) / 10) === 1
                        ? 'th'
                        : b === 1
                        ? 'st'
                        : b === 2
                        ? 'nd'
                        : b === 3
                        ? 'rd'
                        : 'th';
            return number + output;
        },
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('en-sg', {
        months: 'January_February_March_April_May_June_July_August_September_October_November_December'.split(
            '_'
        ),
        monthsShort: 'Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec'.split('_'),
        weekdays: 'Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday'.split(
            '_'
        ),
        weekdaysShort: 'Sun_Mon_Tue_Wed_Thu_Fri_Sat'.split('_'),
        weekdaysMin: 'Su_Mo_Tu_We_Th_Fr_Sa'.split('_'),
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY HH:mm',
            LLLL: 'dddd, D MMMM YYYY HH:mm',
        },
        calendar: {
            sameDay: '[Today at] LT',
            nextDay: '[Tomorrow at] LT',
            nextWeek: 'dddd [at] LT',
            lastDay: '[Yesterday at] LT',
            lastWeek: '[Last] dddd [at] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'in %s',
            past: '%s ago',
            s: 'a few seconds',
            ss: '%d seconds',
            m: 'a minute',
            mm: '%d minutes',
            h: 'an hour',
            hh: '%d hours',
            d: 'a day',
            dd: '%d days',
            M: 'a month',
            MM: '%d months',
            y: 'a year',
            yy: '%d years',
        },
        dayOfMonthOrdinalParse: /\d{1,2}(st|nd|rd|th)/,
        ordinal: function (number) {
            var b = number % 10,
                output =
                    ~~((number % 100) / 10) === 1
                        ? 'th'
                        : b === 1
                        ? 'st'
                        : b === 2
                        ? 'nd'
                        : b === 3
                        ? 'rd'
                        : 'th';
            return number + output;
        },
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('eo', {
        months: 'januaro_februaro_marto_aprilo_majo_junio_julio_aŭgusto_septembro_oktobro_novembro_decembro'.split(
            '_'
        ),
        monthsShort: 'jan_feb_mart_apr_maj_jun_jul_aŭg_sept_okt_nov_dec'.split('_'),
        weekdays: 'dimanĉo_lundo_mardo_merkredo_ĵaŭdo_vendredo_sabato'.split('_'),
        weekdaysShort: 'dim_lun_mard_merk_ĵaŭ_ven_sab'.split('_'),
        weekdaysMin: 'di_lu_ma_me_ĵa_ve_sa'.split('_'),
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'YYYY-MM-DD',
            LL: '[la] D[-an de] MMMM, YYYY',
            LLL: '[la] D[-an de] MMMM, YYYY HH:mm',
            LLLL: 'dddd[n], [la] D[-an de] MMMM, YYYY HH:mm',
            llll: 'ddd, [la] D[-an de] MMM, YYYY HH:mm',
        },
        meridiemParse: /[ap]\.t\.m/i,
        isPM: function (input) {
            return input.charAt(0).toLowerCase() === 'p';
        },
        meridiem: function (hours, minutes, isLower) {
            if (hours > 11) {
                return isLower ? 'p.t.m.' : 'P.T.M.';
            } else {
                return isLower ? 'a.t.m.' : 'A.T.M.';
            }
        },
        calendar: {
            sameDay: '[Hodiaŭ je] LT',
            nextDay: '[Morgaŭ je] LT',
            nextWeek: 'dddd[n je] LT',
            lastDay: '[Hieraŭ je] LT',
            lastWeek: '[pasintan] dddd[n je] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'post %s',
            past: 'antaŭ %s',
            s: 'kelkaj sekundoj',
            ss: '%d sekundoj',
            m: 'unu minuto',
            mm: '%d minutoj',
            h: 'unu horo',
            hh: '%d horoj',
            d: 'unu tago', //ne 'diurno', ĉar estas uzita por proksimumo
            dd: '%d tagoj',
            M: 'unu monato',
            MM: '%d monatoj',
            y: 'unu jaro',
            yy: '%d jaroj',
        },
        dayOfMonthOrdinalParse: /\d{1,2}a/,
        ordinal: '%da',
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 7, // The week that contains Jan 7th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    var monthsShortDot =
            'ene._feb._mar._abr._may._jun._jul._ago._sep._oct._nov._dic.'.split(
                '_'
            ),
        monthsShort$1 = 'ene_feb_mar_abr_may_jun_jul_ago_sep_oct_nov_dic'.split('_'),
        monthsParse$2 = [
            /^ene/i,
            /^feb/i,
            /^mar/i,
            /^abr/i,
            /^may/i,
            /^jun/i,
            /^jul/i,
            /^ago/i,
            /^sep/i,
            /^oct/i,
            /^nov/i,
            /^dic/i,
        ],
        monthsRegex$3 =
            /^(enero|febrero|marzo|abril|mayo|junio|julio|agosto|septiembre|octubre|noviembre|diciembre|ene\.?|feb\.?|mar\.?|abr\.?|may\.?|jun\.?|jul\.?|ago\.?|sep\.?|oct\.?|nov\.?|dic\.?)/i;

    hooks.defineLocale('es-do', {
        months: 'enero_febrero_marzo_abril_mayo_junio_julio_agosto_septiembre_octubre_noviembre_diciembre'.split(
            '_'
        ),
        monthsShort: function (m, format) {
            if (!m) {
                return monthsShortDot;
            } else if (/-MMM-/.test(format)) {
                return monthsShort$1[m.month()];
            } else {
                return monthsShortDot[m.month()];
            }
        },
        monthsRegex: monthsRegex$3,
        monthsShortRegex: monthsRegex$3,
        monthsStrictRegex:
            /^(enero|febrero|marzo|abril|mayo|junio|julio|agosto|septiembre|octubre|noviembre|diciembre)/i,
        monthsShortStrictRegex:
            /^(ene\.?|feb\.?|mar\.?|abr\.?|may\.?|jun\.?|jul\.?|ago\.?|sep\.?|oct\.?|nov\.?|dic\.?)/i,
        monthsParse: monthsParse$2,
        longMonthsParse: monthsParse$2,
        shortMonthsParse: monthsParse$2,
        weekdays: 'domingo_lunes_martes_miércoles_jueves_viernes_sábado'.split('_'),
        weekdaysShort: 'dom._lun._mar._mié._jue._vie._sáb.'.split('_'),
        weekdaysMin: 'do_lu_ma_mi_ju_vi_sá'.split('_'),
        weekdaysParseExact: true,
        longDateFormat: {
            LT: 'h:mm A',
            LTS: 'h:mm:ss A',
            L: 'DD/MM/YYYY',
            LL: 'D [de] MMMM [de] YYYY',
            LLL: 'D [de] MMMM [de] YYYY h:mm A',
            LLLL: 'dddd, D [de] MMMM [de] YYYY h:mm A',
        },
        calendar: {
            sameDay: function () {
                return '[hoy a la' + (this.hours() !== 1 ? 's' : '') + '] LT';
            },
            nextDay: function () {
                return '[mañana a la' + (this.hours() !== 1 ? 's' : '') + '] LT';
            },
            nextWeek: function () {
                return 'dddd [a la' + (this.hours() !== 1 ? 's' : '') + '] LT';
            },
            lastDay: function () {
                return '[ayer a la' + (this.hours() !== 1 ? 's' : '') + '] LT';
            },
            lastWeek: function () {
                return (
                    '[el] dddd [pasado a la' +
                    (this.hours() !== 1 ? 's' : '') +
                    '] LT'
                );
            },
            sameElse: 'L',
        },
        relativeTime: {
            future: 'en %s',
            past: 'hace %s',
            s: 'unos segundos',
            ss: '%d segundos',
            m: 'un minuto',
            mm: '%d minutos',
            h: 'una hora',
            hh: '%d horas',
            d: 'un día',
            dd: '%d días',
            w: 'una semana',
            ww: '%d semanas',
            M: 'un mes',
            MM: '%d meses',
            y: 'un año',
            yy: '%d años',
        },
        dayOfMonthOrdinalParse: /\d{1,2}º/,
        ordinal: '%dº',
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    var monthsShortDot$1 =
            'ene._feb._mar._abr._may._jun._jul._ago._sep._oct._nov._dic.'.split(
                '_'
            ),
        monthsShort$2 = 'ene_feb_mar_abr_may_jun_jul_ago_sep_oct_nov_dic'.split('_'),
        monthsParse$3 = [
            /^ene/i,
            /^feb/i,
            /^mar/i,
            /^abr/i,
            /^may/i,
            /^jun/i,
            /^jul/i,
            /^ago/i,
            /^sep/i,
            /^oct/i,
            /^nov/i,
            /^dic/i,
        ],
        monthsRegex$4 =
            /^(enero|febrero|marzo|abril|mayo|junio|julio|agosto|septiembre|octubre|noviembre|diciembre|ene\.?|feb\.?|mar\.?|abr\.?|may\.?|jun\.?|jul\.?|ago\.?|sep\.?|oct\.?|nov\.?|dic\.?)/i;

    hooks.defineLocale('es-mx', {
        months: 'enero_febrero_marzo_abril_mayo_junio_julio_agosto_septiembre_octubre_noviembre_diciembre'.split(
            '_'
        ),
        monthsShort: function (m, format) {
            if (!m) {
                return monthsShortDot$1;
            } else if (/-MMM-/.test(format)) {
                return monthsShort$2[m.month()];
            } else {
                return monthsShortDot$1[m.month()];
            }
        },
        monthsRegex: monthsRegex$4,
        monthsShortRegex: monthsRegex$4,
        monthsStrictRegex:
            /^(enero|febrero|marzo|abril|mayo|junio|julio|agosto|septiembre|octubre|noviembre|diciembre)/i,
        monthsShortStrictRegex:
            /^(ene\.?|feb\.?|mar\.?|abr\.?|may\.?|jun\.?|jul\.?|ago\.?|sep\.?|oct\.?|nov\.?|dic\.?)/i,
        monthsParse: monthsParse$3,
        longMonthsParse: monthsParse$3,
        shortMonthsParse: monthsParse$3,
        weekdays: 'domingo_lunes_martes_miércoles_jueves_viernes_sábado'.split('_'),
        weekdaysShort: 'dom._lun._mar._mié._jue._vie._sáb.'.split('_'),
        weekdaysMin: 'do_lu_ma_mi_ju_vi_sá'.split('_'),
        weekdaysParseExact: true,
        longDateFormat: {
            LT: 'H:mm',
            LTS: 'H:mm:ss',
            L: 'DD/MM/YYYY',
            LL: 'D [de] MMMM [de] YYYY',
            LLL: 'D [de] MMMM [de] YYYY H:mm',
            LLLL: 'dddd, D [de] MMMM [de] YYYY H:mm',
        },
        calendar: {
            sameDay: function () {
                return '[hoy a la' + (this.hours() !== 1 ? 's' : '') + '] LT';
            },
            nextDay: function () {
                return '[mañana a la' + (this.hours() !== 1 ? 's' : '') + '] LT';
            },
            nextWeek: function () {
                return 'dddd [a la' + (this.hours() !== 1 ? 's' : '') + '] LT';
            },
            lastDay: function () {
                return '[ayer a la' + (this.hours() !== 1 ? 's' : '') + '] LT';
            },
            lastWeek: function () {
                return (
                    '[el] dddd [pasado a la' +
                    (this.hours() !== 1 ? 's' : '') +
                    '] LT'
                );
            },
            sameElse: 'L',
        },
        relativeTime: {
            future: 'en %s',
            past: 'hace %s',
            s: 'unos segundos',
            ss: '%d segundos',
            m: 'un minuto',
            mm: '%d minutos',
            h: 'una hora',
            hh: '%d horas',
            d: 'un día',
            dd: '%d días',
            w: 'una semana',
            ww: '%d semanas',
            M: 'un mes',
            MM: '%d meses',
            y: 'un año',
            yy: '%d años',
        },
        dayOfMonthOrdinalParse: /\d{1,2}º/,
        ordinal: '%dº',
        week: {
            dow: 0, // Sunday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
        invalidDate: 'Fecha inválida',
    });

    //! moment.js locale configuration

    var monthsShortDot$2 =
            'ene._feb._mar._abr._may._jun._jul._ago._sep._oct._nov._dic.'.split(
                '_'
            ),
        monthsShort$3 = 'ene_feb_mar_abr_may_jun_jul_ago_sep_oct_nov_dic'.split('_'),
        monthsParse$4 = [
            /^ene/i,
            /^feb/i,
            /^mar/i,
            /^abr/i,
            /^may/i,
            /^jun/i,
            /^jul/i,
            /^ago/i,
            /^sep/i,
            /^oct/i,
            /^nov/i,
            /^dic/i,
        ],
        monthsRegex$5 =
            /^(enero|febrero|marzo|abril|mayo|junio|julio|agosto|septiembre|octubre|noviembre|diciembre|ene\.?|feb\.?|mar\.?|abr\.?|may\.?|jun\.?|jul\.?|ago\.?|sep\.?|oct\.?|nov\.?|dic\.?)/i;

    hooks.defineLocale('es-us', {
        months: 'enero_febrero_marzo_abril_mayo_junio_julio_agosto_septiembre_octubre_noviembre_diciembre'.split(
            '_'
        ),
        monthsShort: function (m, format) {
            if (!m) {
                return monthsShortDot$2;
            } else if (/-MMM-/.test(format)) {
                return monthsShort$3[m.month()];
            } else {
                return monthsShortDot$2[m.month()];
            }
        },
        monthsRegex: monthsRegex$5,
        monthsShortRegex: monthsRegex$5,
        monthsStrictRegex:
            /^(enero|febrero|marzo|abril|mayo|junio|julio|agosto|septiembre|octubre|noviembre|diciembre)/i,
        monthsShortStrictRegex:
            /^(ene\.?|feb\.?|mar\.?|abr\.?|may\.?|jun\.?|jul\.?|ago\.?|sep\.?|oct\.?|nov\.?|dic\.?)/i,
        monthsParse: monthsParse$4,
        longMonthsParse: monthsParse$4,
        shortMonthsParse: monthsParse$4,
        weekdays: 'domingo_lunes_martes_miércoles_jueves_viernes_sábado'.split('_'),
        weekdaysShort: 'dom._lun._mar._mié._jue._vie._sáb.'.split('_'),
        weekdaysMin: 'do_lu_ma_mi_ju_vi_sá'.split('_'),
        weekdaysParseExact: true,
        longDateFormat: {
            LT: 'h:mm A',
            LTS: 'h:mm:ss A',
            L: 'MM/DD/YYYY',
            LL: 'D [de] MMMM [de] YYYY',
            LLL: 'D [de] MMMM [de] YYYY h:mm A',
            LLLL: 'dddd, D [de] MMMM [de] YYYY h:mm A',
        },
        calendar: {
            sameDay: function () {
                return '[hoy a la' + (this.hours() !== 1 ? 's' : '') + '] LT';
            },
            nextDay: function () {
                return '[mañana a la' + (this.hours() !== 1 ? 's' : '') + '] LT';
            },
            nextWeek: function () {
                return 'dddd [a la' + (this.hours() !== 1 ? 's' : '') + '] LT';
            },
            lastDay: function () {
                return '[ayer a la' + (this.hours() !== 1 ? 's' : '') + '] LT';
            },
            lastWeek: function () {
                return (
                    '[el] dddd [pasado a la' +
                    (this.hours() !== 1 ? 's' : '') +
                    '] LT'
                );
            },
            sameElse: 'L',
        },
        relativeTime: {
            future: 'en %s',
            past: 'hace %s',
            s: 'unos segundos',
            ss: '%d segundos',
            m: 'un minuto',
            mm: '%d minutos',
            h: 'una hora',
            hh: '%d horas',
            d: 'un día',
            dd: '%d días',
            w: 'una semana',
            ww: '%d semanas',
            M: 'un mes',
            MM: '%d meses',
            y: 'un año',
            yy: '%d años',
        },
        dayOfMonthOrdinalParse: /\d{1,2}º/,
        ordinal: '%dº',
        week: {
            dow: 0, // Sunday is the first day of the week.
            doy: 6, // The week that contains Jan 6th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    var monthsShortDot$3 =
            'ene._feb._mar._abr._may._jun._jul._ago._sep._oct._nov._dic.'.split(
                '_'
            ),
        monthsShort$4 = 'ene_feb_mar_abr_may_jun_jul_ago_sep_oct_nov_dic'.split('_'),
        monthsParse$5 = [
            /^ene/i,
            /^feb/i,
            /^mar/i,
            /^abr/i,
            /^may/i,
            /^jun/i,
            /^jul/i,
            /^ago/i,
            /^sep/i,
            /^oct/i,
            /^nov/i,
            /^dic/i,
        ],
        monthsRegex$6 =
            /^(enero|febrero|marzo|abril|mayo|junio|julio|agosto|septiembre|octubre|noviembre|diciembre|ene\.?|feb\.?|mar\.?|abr\.?|may\.?|jun\.?|jul\.?|ago\.?|sep\.?|oct\.?|nov\.?|dic\.?)/i;

    hooks.defineLocale('es', {
        months: 'enero_febrero_marzo_abril_mayo_junio_julio_agosto_septiembre_octubre_noviembre_diciembre'.split(
            '_'
        ),
        monthsShort: function (m, format) {
            if (!m) {
                return monthsShortDot$3;
            } else if (/-MMM-/.test(format)) {
                return monthsShort$4[m.month()];
            } else {
                return monthsShortDot$3[m.month()];
            }
        },
        monthsRegex: monthsRegex$6,
        monthsShortRegex: monthsRegex$6,
        monthsStrictRegex:
            /^(enero|febrero|marzo|abril|mayo|junio|julio|agosto|septiembre|octubre|noviembre|diciembre)/i,
        monthsShortStrictRegex:
            /^(ene\.?|feb\.?|mar\.?|abr\.?|may\.?|jun\.?|jul\.?|ago\.?|sep\.?|oct\.?|nov\.?|dic\.?)/i,
        monthsParse: monthsParse$5,
        longMonthsParse: monthsParse$5,
        shortMonthsParse: monthsParse$5,
        weekdays: 'domingo_lunes_martes_miércoles_jueves_viernes_sábado'.split('_'),
        weekdaysShort: 'dom._lun._mar._mié._jue._vie._sáb.'.split('_'),
        weekdaysMin: 'do_lu_ma_mi_ju_vi_sá'.split('_'),
        weekdaysParseExact: true,
        longDateFormat: {
            LT: 'H:mm',
            LTS: 'H:mm:ss',
            L: 'DD/MM/YYYY',
            LL: 'D [de] MMMM [de] YYYY',
            LLL: 'D [de] MMMM [de] YYYY H:mm',
            LLLL: 'dddd, D [de] MMMM [de] YYYY H:mm',
        },
        calendar: {
            sameDay: function () {
                return '[hoy a la' + (this.hours() !== 1 ? 's' : '') + '] LT';
            },
            nextDay: function () {
                return '[mañana a la' + (this.hours() !== 1 ? 's' : '') + '] LT';
            },
            nextWeek: function () {
                return 'dddd [a la' + (this.hours() !== 1 ? 's' : '') + '] LT';
            },
            lastDay: function () {
                return '[ayer a la' + (this.hours() !== 1 ? 's' : '') + '] LT';
            },
            lastWeek: function () {
                return (
                    '[el] dddd [pasado a la' +
                    (this.hours() !== 1 ? 's' : '') +
                    '] LT'
                );
            },
            sameElse: 'L',
        },
        relativeTime: {
            future: 'en %s',
            past: 'hace %s',
            s: 'unos segundos',
            ss: '%d segundos',
            m: 'un minuto',
            mm: '%d minutos',
            h: 'una hora',
            hh: '%d horas',
            d: 'un día',
            dd: '%d días',
            w: 'una semana',
            ww: '%d semanas',
            M: 'un mes',
            MM: '%d meses',
            y: 'un año',
            yy: '%d años',
        },
        dayOfMonthOrdinalParse: /\d{1,2}º/,
        ordinal: '%dº',
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
        invalidDate: 'Fecha inválida',
    });

    //! moment.js locale configuration

    function processRelativeTime$3(number, withoutSuffix, key, isFuture) {
        var format = {
            s: ['mõne sekundi', 'mõni sekund', 'paar sekundit'],
            ss: [number + 'sekundi', number + 'sekundit'],
            m: ['ühe minuti', 'üks minut'],
            mm: [number + ' minuti', number + ' minutit'],
            h: ['ühe tunni', 'tund aega', 'üks tund'],
            hh: [number + ' tunni', number + ' tundi'],
            d: ['ühe päeva', 'üks päev'],
            M: ['kuu aja', 'kuu aega', 'üks kuu'],
            MM: [number + ' kuu', number + ' kuud'],
            y: ['ühe aasta', 'aasta', 'üks aasta'],
            yy: [number + ' aasta', number + ' aastat'],
        };
        if (withoutSuffix) {
            return format[key][2] ? format[key][2] : format[key][1];
        }
        return isFuture ? format[key][0] : format[key][1];
    }

    hooks.defineLocale('et', {
        months: 'jaanuar_veebruar_märts_aprill_mai_juuni_juuli_august_september_oktoober_november_detsember'.split(
            '_'
        ),
        monthsShort:
            'jaan_veebr_märts_apr_mai_juuni_juuli_aug_sept_okt_nov_dets'.split('_'),
        weekdays:
            'pühapäev_esmaspäev_teisipäev_kolmapäev_neljapäev_reede_laupäev'.split(
                '_'
            ),
        weekdaysShort: 'P_E_T_K_N_R_L'.split('_'),
        weekdaysMin: 'P_E_T_K_N_R_L'.split('_'),
        longDateFormat: {
            LT: 'H:mm',
            LTS: 'H:mm:ss',
            L: 'DD.MM.YYYY',
            LL: 'D. MMMM YYYY',
            LLL: 'D. MMMM YYYY H:mm',
            LLLL: 'dddd, D. MMMM YYYY H:mm',
        },
        calendar: {
            sameDay: '[Täna,] LT',
            nextDay: '[Homme,] LT',
            nextWeek: '[Järgmine] dddd LT',
            lastDay: '[Eile,] LT',
            lastWeek: '[Eelmine] dddd LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: '%s pärast',
            past: '%s tagasi',
            s: processRelativeTime$3,
            ss: processRelativeTime$3,
            m: processRelativeTime$3,
            mm: processRelativeTime$3,
            h: processRelativeTime$3,
            hh: processRelativeTime$3,
            d: processRelativeTime$3,
            dd: '%d päeva',
            M: processRelativeTime$3,
            MM: processRelativeTime$3,
            y: processRelativeTime$3,
            yy: processRelativeTime$3,
        },
        dayOfMonthOrdinalParse: /\d{1,2}\./,
        ordinal: '%d.',
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('eu', {
        months: 'urtarrila_otsaila_martxoa_apirila_maiatza_ekaina_uztaila_abuztua_iraila_urria_azaroa_abendua'.split(
            '_'
        ),
        monthsShort:
            'urt._ots._mar._api._mai._eka._uzt._abu._ira._urr._aza._abe.'.split(
                '_'
            ),
        monthsParseExact: true,
        weekdays:
            'igandea_astelehena_asteartea_asteazkena_osteguna_ostirala_larunbata'.split(
                '_'
            ),
        weekdaysShort: 'ig._al._ar._az._og._ol._lr.'.split('_'),
        weekdaysMin: 'ig_al_ar_az_og_ol_lr'.split('_'),
        weekdaysParseExact: true,
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'YYYY-MM-DD',
            LL: 'YYYY[ko] MMMM[ren] D[a]',
            LLL: 'YYYY[ko] MMMM[ren] D[a] HH:mm',
            LLLL: 'dddd, YYYY[ko] MMMM[ren] D[a] HH:mm',
            l: 'YYYY-M-D',
            ll: 'YYYY[ko] MMM D[a]',
            lll: 'YYYY[ko] MMM D[a] HH:mm',
            llll: 'ddd, YYYY[ko] MMM D[a] HH:mm',
        },
        calendar: {
            sameDay: '[gaur] LT[etan]',
            nextDay: '[bihar] LT[etan]',
            nextWeek: 'dddd LT[etan]',
            lastDay: '[atzo] LT[etan]',
            lastWeek: '[aurreko] dddd LT[etan]',
            sameElse: 'L',
        },
        relativeTime: {
            future: '%s barru',
            past: 'duela %s',
            s: 'segundo batzuk',
            ss: '%d segundo',
            m: 'minutu bat',
            mm: '%d minutu',
            h: 'ordu bat',
            hh: '%d ordu',
            d: 'egun bat',
            dd: '%d egun',
            M: 'hilabete bat',
            MM: '%d hilabete',
            y: 'urte bat',
            yy: '%d urte',
        },
        dayOfMonthOrdinalParse: /\d{1,2}\./,
        ordinal: '%d.',
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 7, // The week that contains Jan 7th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    var symbolMap$6 = {
            1: '۱',
            2: '۲',
            3: '۳',
            4: '۴',
            5: '۵',
            6: '۶',
            7: '۷',
            8: '۸',
            9: '۹',
            0: '۰',
        },
        numberMap$5 = {
            '۱': '1',
            '۲': '2',
            '۳': '3',
            '۴': '4',
            '۵': '5',
            '۶': '6',
            '۷': '7',
            '۸': '8',
            '۹': '9',
            '۰': '0',
        };

    hooks.defineLocale('fa', {
        months: 'ژانویه_فوریه_مارس_آوریل_مه_ژوئن_ژوئیه_اوت_سپتامبر_اکتبر_نوامبر_دسامبر'.split(
            '_'
        ),
        monthsShort:
            'ژانویه_فوریه_مارس_آوریل_مه_ژوئن_ژوئیه_اوت_سپتامبر_اکتبر_نوامبر_دسامبر'.split(
                '_'
            ),
        weekdays:
            'یک\u200cشنبه_دوشنبه_سه\u200cشنبه_چهارشنبه_پنج\u200cشنبه_جمعه_شنبه'.split(
                '_'
            ),
        weekdaysShort:
            'یک\u200cشنبه_دوشنبه_سه\u200cشنبه_چهارشنبه_پنج\u200cشنبه_جمعه_شنبه'.split(
                '_'
            ),
        weekdaysMin: 'ی_د_س_چ_پ_ج_ش'.split('_'),
        weekdaysParseExact: true,
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY HH:mm',
            LLLL: 'dddd, D MMMM YYYY HH:mm',
        },
        meridiemParse: /قبل از ظهر|بعد از ظهر/,
        isPM: function (input) {
            return /بعد از ظهر/.test(input);
        },
        meridiem: function (hour, minute, isLower) {
            if (hour < 12) {
                return 'قبل از ظهر';
            } else {
                return 'بعد از ظهر';
            }
        },
        calendar: {
            sameDay: '[امروز ساعت] LT',
            nextDay: '[فردا ساعت] LT',
            nextWeek: 'dddd [ساعت] LT',
            lastDay: '[دیروز ساعت] LT',
            lastWeek: 'dddd [پیش] [ساعت] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'در %s',
            past: '%s پیش',
            s: 'چند ثانیه',
            ss: '%d ثانیه',
            m: 'یک دقیقه',
            mm: '%d دقیقه',
            h: 'یک ساعت',
            hh: '%d ساعت',
            d: 'یک روز',
            dd: '%d روز',
            M: 'یک ماه',
            MM: '%d ماه',
            y: 'یک سال',
            yy: '%d سال',
        },
        preparse: function (string) {
            return string
                .replace(/[۰-۹]/g, function (match) {
                    return numberMap$5[match];
                })
                .replace(/،/g, ',');
        },
        postformat: function (string) {
            return string
                .replace(/\d/g, function (match) {
                    return symbolMap$6[match];
                })
                .replace(/,/g, '،');
        },
        dayOfMonthOrdinalParse: /\d{1,2}م/,
        ordinal: '%dم',
        week: {
            dow: 6, // Saturday is the first day of the week.
            doy: 12, // The week that contains Jan 12th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    var numbersPast =
            'nolla yksi kaksi kolme neljä viisi kuusi seitsemän kahdeksan yhdeksän'.split(
                ' '
            ),
        numbersFuture = [
            'nolla',
            'yhden',
            'kahden',
            'kolmen',
            'neljän',
            'viiden',
            'kuuden',
            numbersPast[7],
            numbersPast[8],
            numbersPast[9],
        ];
    function translate$2(number, withoutSuffix, key, isFuture) {
        var result = '';
        switch (key) {
            case 's':
                return isFuture ? 'muutaman sekunnin' : 'muutama sekunti';
            case 'ss':
                result = isFuture ? 'sekunnin' : 'sekuntia';
                break;
            case 'm':
                return isFuture ? 'minuutin' : 'minuutti';
            case 'mm':
                result = isFuture ? 'minuutin' : 'minuuttia';
                break;
            case 'h':
                return isFuture ? 'tunnin' : 'tunti';
            case 'hh':
                result = isFuture ? 'tunnin' : 'tuntia';
                break;
            case 'd':
                return isFuture ? 'päivän' : 'päivä';
            case 'dd':
                result = isFuture ? 'päivän' : 'päivää';
                break;
            case 'M':
                return isFuture ? 'kuukauden' : 'kuukausi';
            case 'MM':
                result = isFuture ? 'kuukauden' : 'kuukautta';
                break;
            case 'y':
                return isFuture ? 'vuoden' : 'vuosi';
            case 'yy':
                result = isFuture ? 'vuoden' : 'vuotta';
                break;
        }
        result = verbalNumber(number, isFuture) + ' ' + result;
        return result;
    }
    function verbalNumber(number, isFuture) {
        return number < 10
            ? isFuture
                ? numbersFuture[number]
                : numbersPast[number]
            : number;
    }

    hooks.defineLocale('fi', {
        months: 'tammikuu_helmikuu_maaliskuu_huhtikuu_toukokuu_kesäkuu_heinäkuu_elokuu_syyskuu_lokakuu_marraskuu_joulukuu'.split(
            '_'
        ),
        monthsShort:
            'tammi_helmi_maalis_huhti_touko_kesä_heinä_elo_syys_loka_marras_joulu'.split(
                '_'
            ),
        weekdays:
            'sunnuntai_maanantai_tiistai_keskiviikko_torstai_perjantai_lauantai'.split(
                '_'
            ),
        weekdaysShort: 'su_ma_ti_ke_to_pe_la'.split('_'),
        weekdaysMin: 'su_ma_ti_ke_to_pe_la'.split('_'),
        longDateFormat: {
            LT: 'HH.mm',
            LTS: 'HH.mm.ss',
            L: 'DD.MM.YYYY',
            LL: 'Do MMMM[ta] YYYY',
            LLL: 'Do MMMM[ta] YYYY, [klo] HH.mm',
            LLLL: 'dddd, Do MMMM[ta] YYYY, [klo] HH.mm',
            l: 'D.M.YYYY',
            ll: 'Do MMM YYYY',
            lll: 'Do MMM YYYY, [klo] HH.mm',
            llll: 'ddd, Do MMM YYYY, [klo] HH.mm',
        },
        calendar: {
            sameDay: '[tänään] [klo] LT',
            nextDay: '[huomenna] [klo] LT',
            nextWeek: 'dddd [klo] LT',
            lastDay: '[eilen] [klo] LT',
            lastWeek: '[viime] dddd[na] [klo] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: '%s päästä',
            past: '%s sitten',
            s: translate$2,
            ss: translate$2,
            m: translate$2,
            mm: translate$2,
            h: translate$2,
            hh: translate$2,
            d: translate$2,
            dd: translate$2,
            M: translate$2,
            MM: translate$2,
            y: translate$2,
            yy: translate$2,
        },
        dayOfMonthOrdinalParse: /\d{1,2}\./,
        ordinal: '%d.',
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('fil', {
        months: 'Enero_Pebrero_Marso_Abril_Mayo_Hunyo_Hulyo_Agosto_Setyembre_Oktubre_Nobyembre_Disyembre'.split(
            '_'
        ),
        monthsShort: 'Ene_Peb_Mar_Abr_May_Hun_Hul_Ago_Set_Okt_Nob_Dis'.split('_'),
        weekdays: 'Linggo_Lunes_Martes_Miyerkules_Huwebes_Biyernes_Sabado'.split(
            '_'
        ),
        weekdaysShort: 'Lin_Lun_Mar_Miy_Huw_Biy_Sab'.split('_'),
        weekdaysMin: 'Li_Lu_Ma_Mi_Hu_Bi_Sab'.split('_'),
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'MM/D/YYYY',
            LL: 'MMMM D, YYYY',
            LLL: 'MMMM D, YYYY HH:mm',
            LLLL: 'dddd, MMMM DD, YYYY HH:mm',
        },
        calendar: {
            sameDay: 'LT [ngayong araw]',
            nextDay: '[Bukas ng] LT',
            nextWeek: 'LT [sa susunod na] dddd',
            lastDay: 'LT [kahapon]',
            lastWeek: 'LT [noong nakaraang] dddd',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'sa loob ng %s',
            past: '%s ang nakalipas',
            s: 'ilang segundo',
            ss: '%d segundo',
            m: 'isang minuto',
            mm: '%d minuto',
            h: 'isang oras',
            hh: '%d oras',
            d: 'isang araw',
            dd: '%d araw',
            M: 'isang buwan',
            MM: '%d buwan',
            y: 'isang taon',
            yy: '%d taon',
        },
        dayOfMonthOrdinalParse: /\d{1,2}/,
        ordinal: function (number) {
            return number;
        },
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('fo', {
        months: 'januar_februar_mars_apríl_mai_juni_juli_august_september_oktober_november_desember'.split(
            '_'
        ),
        monthsShort: 'jan_feb_mar_apr_mai_jun_jul_aug_sep_okt_nov_des'.split('_'),
        weekdays:
            'sunnudagur_mánadagur_týsdagur_mikudagur_hósdagur_fríggjadagur_leygardagur'.split(
                '_'
            ),
        weekdaysShort: 'sun_mán_týs_mik_hós_frí_ley'.split('_'),
        weekdaysMin: 'su_má_tý_mi_hó_fr_le'.split('_'),
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY HH:mm',
            LLLL: 'dddd D. MMMM, YYYY HH:mm',
        },
        calendar: {
            sameDay: '[Í dag kl.] LT',
            nextDay: '[Í morgin kl.] LT',
            nextWeek: 'dddd [kl.] LT',
            lastDay: '[Í gjár kl.] LT',
            lastWeek: '[síðstu] dddd [kl] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'um %s',
            past: '%s síðani',
            s: 'fá sekund',
            ss: '%d sekundir',
            m: 'ein minuttur',
            mm: '%d minuttir',
            h: 'ein tími',
            hh: '%d tímar',
            d: 'ein dagur',
            dd: '%d dagar',
            M: 'ein mánaður',
            MM: '%d mánaðir',
            y: 'eitt ár',
            yy: '%d ár',
        },
        dayOfMonthOrdinalParse: /\d{1,2}\./,
        ordinal: '%d.',
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('fr-ca', {
        months: 'janvier_février_mars_avril_mai_juin_juillet_août_septembre_octobre_novembre_décembre'.split(
            '_'
        ),
        monthsShort:
            'janv._févr._mars_avr._mai_juin_juil._août_sept._oct._nov._déc.'.split(
                '_'
            ),
        monthsParseExact: true,
        weekdays: 'dimanche_lundi_mardi_mercredi_jeudi_vendredi_samedi'.split('_'),
        weekdaysShort: 'dim._lun._mar._mer._jeu._ven._sam.'.split('_'),
        weekdaysMin: 'di_lu_ma_me_je_ve_sa'.split('_'),
        weekdaysParseExact: true,
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'YYYY-MM-DD',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY HH:mm',
            LLLL: 'dddd D MMMM YYYY HH:mm',
        },
        calendar: {
            sameDay: '[Aujourd’hui à] LT',
            nextDay: '[Demain à] LT',
            nextWeek: 'dddd [à] LT',
            lastDay: '[Hier à] LT',
            lastWeek: 'dddd [dernier à] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'dans %s',
            past: 'il y a %s',
            s: 'quelques secondes',
            ss: '%d secondes',
            m: 'une minute',
            mm: '%d minutes',
            h: 'une heure',
            hh: '%d heures',
            d: 'un jour',
            dd: '%d jours',
            M: 'un mois',
            MM: '%d mois',
            y: 'un an',
            yy: '%d ans',
        },
        dayOfMonthOrdinalParse: /\d{1,2}(er|e)/,
        ordinal: function (number, period) {
            switch (period) {
                // Words with masculine grammatical gender: mois, trimestre, jour
                default:
                case 'M':
                case 'Q':
                case 'D':
                case 'DDD':
                case 'd':
                    return number + (number === 1 ? 'er' : 'e');

                // Words with feminine grammatical gender: semaine
                case 'w':
                case 'W':
                    return number + (number === 1 ? 're' : 'e');
            }
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('fr-ch', {
        months: 'janvier_février_mars_avril_mai_juin_juillet_août_septembre_octobre_novembre_décembre'.split(
            '_'
        ),
        monthsShort:
            'janv._févr._mars_avr._mai_juin_juil._août_sept._oct._nov._déc.'.split(
                '_'
            ),
        monthsParseExact: true,
        weekdays: 'dimanche_lundi_mardi_mercredi_jeudi_vendredi_samedi'.split('_'),
        weekdaysShort: 'dim._lun._mar._mer._jeu._ven._sam.'.split('_'),
        weekdaysMin: 'di_lu_ma_me_je_ve_sa'.split('_'),
        weekdaysParseExact: true,
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD.MM.YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY HH:mm',
            LLLL: 'dddd D MMMM YYYY HH:mm',
        },
        calendar: {
            sameDay: '[Aujourd’hui à] LT',
            nextDay: '[Demain à] LT',
            nextWeek: 'dddd [à] LT',
            lastDay: '[Hier à] LT',
            lastWeek: 'dddd [dernier à] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'dans %s',
            past: 'il y a %s',
            s: 'quelques secondes',
            ss: '%d secondes',
            m: 'une minute',
            mm: '%d minutes',
            h: 'une heure',
            hh: '%d heures',
            d: 'un jour',
            dd: '%d jours',
            M: 'un mois',
            MM: '%d mois',
            y: 'un an',
            yy: '%d ans',
        },
        dayOfMonthOrdinalParse: /\d{1,2}(er|e)/,
        ordinal: function (number, period) {
            switch (period) {
                // Words with masculine grammatical gender: mois, trimestre, jour
                default:
                case 'M':
                case 'Q':
                case 'D':
                case 'DDD':
                case 'd':
                    return number + (number === 1 ? 'er' : 'e');

                // Words with feminine grammatical gender: semaine
                case 'w':
                case 'W':
                    return number + (number === 1 ? 're' : 'e');
            }
        },
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    var monthsStrictRegex$1 =
            /^(janvier|février|mars|avril|mai|juin|juillet|août|septembre|octobre|novembre|décembre)/i,
        monthsShortStrictRegex$1 =
            /(janv\.?|févr\.?|mars|avr\.?|mai|juin|juil\.?|août|sept\.?|oct\.?|nov\.?|déc\.?)/i,
        monthsRegex$7 =
            /(janv\.?|févr\.?|mars|avr\.?|mai|juin|juil\.?|août|sept\.?|oct\.?|nov\.?|déc\.?|janvier|février|mars|avril|mai|juin|juillet|août|septembre|octobre|novembre|décembre)/i,
        monthsParse$6 = [
            /^janv/i,
            /^févr/i,
            /^mars/i,
            /^avr/i,
            /^mai/i,
            /^juin/i,
            /^juil/i,
            /^août/i,
            /^sept/i,
            /^oct/i,
            /^nov/i,
            /^déc/i,
        ];

    hooks.defineLocale('fr', {
        months: 'janvier_février_mars_avril_mai_juin_juillet_août_septembre_octobre_novembre_décembre'.split(
            '_'
        ),
        monthsShort:
            'janv._févr._mars_avr._mai_juin_juil._août_sept._oct._nov._déc.'.split(
                '_'
            ),
        monthsRegex: monthsRegex$7,
        monthsShortRegex: monthsRegex$7,
        monthsStrictRegex: monthsStrictRegex$1,
        monthsShortStrictRegex: monthsShortStrictRegex$1,
        monthsParse: monthsParse$6,
        longMonthsParse: monthsParse$6,
        shortMonthsParse: monthsParse$6,
        weekdays: 'dimanche_lundi_mardi_mercredi_jeudi_vendredi_samedi'.split('_'),
        weekdaysShort: 'dim._lun._mar._mer._jeu._ven._sam.'.split('_'),
        weekdaysMin: 'di_lu_ma_me_je_ve_sa'.split('_'),
        weekdaysParseExact: true,
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY HH:mm',
            LLLL: 'dddd D MMMM YYYY HH:mm',
        },
        calendar: {
            sameDay: '[Aujourd’hui à] LT',
            nextDay: '[Demain à] LT',
            nextWeek: 'dddd [à] LT',
            lastDay: '[Hier à] LT',
            lastWeek: 'dddd [dernier à] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'dans %s',
            past: 'il y a %s',
            s: 'quelques secondes',
            ss: '%d secondes',
            m: 'une minute',
            mm: '%d minutes',
            h: 'une heure',
            hh: '%d heures',
            d: 'un jour',
            dd: '%d jours',
            w: 'une semaine',
            ww: '%d semaines',
            M: 'un mois',
            MM: '%d mois',
            y: 'un an',
            yy: '%d ans',
        },
        dayOfMonthOrdinalParse: /\d{1,2}(er|)/,
        ordinal: function (number, period) {
            switch (period) {
                // TODO: Return 'e' when day of month > 1. Move this case inside
                // block for masculine words below.
                // See https://github.com/moment/moment/issues/3375
                case 'D':
                    return number + (number === 1 ? 'er' : '');

                // Words with masculine grammatical gender: mois, trimestre, jour
                default:
                case 'M':
                case 'Q':
                case 'DDD':
                case 'd':
                    return number + (number === 1 ? 'er' : 'e');

                // Words with feminine grammatical gender: semaine
                case 'w':
                case 'W':
                    return number + (number === 1 ? 're' : 'e');
            }
        },
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    var monthsShortWithDots =
            'jan._feb._mrt._apr._mai_jun._jul._aug._sep._okt._nov._des.'.split('_'),
        monthsShortWithoutDots =
            'jan_feb_mrt_apr_mai_jun_jul_aug_sep_okt_nov_des'.split('_');

    hooks.defineLocale('fy', {
        months: 'jannewaris_febrewaris_maart_april_maaie_juny_july_augustus_septimber_oktober_novimber_desimber'.split(
            '_'
        ),
        monthsShort: function (m, format) {
            if (!m) {
                return monthsShortWithDots;
            } else if (/-MMM-/.test(format)) {
                return monthsShortWithoutDots[m.month()];
            } else {
                return monthsShortWithDots[m.month()];
            }
        },
        monthsParseExact: true,
        weekdays: 'snein_moandei_tiisdei_woansdei_tongersdei_freed_sneon'.split(
            '_'
        ),
        weekdaysShort: 'si._mo._ti._wo._to._fr._so.'.split('_'),
        weekdaysMin: 'Si_Mo_Ti_Wo_To_Fr_So'.split('_'),
        weekdaysParseExact: true,
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD-MM-YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY HH:mm',
            LLLL: 'dddd D MMMM YYYY HH:mm',
        },
        calendar: {
            sameDay: '[hjoed om] LT',
            nextDay: '[moarn om] LT',
            nextWeek: 'dddd [om] LT',
            lastDay: '[juster om] LT',
            lastWeek: '[ôfrûne] dddd [om] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'oer %s',
            past: '%s lyn',
            s: 'in pear sekonden',
            ss: '%d sekonden',
            m: 'ien minút',
            mm: '%d minuten',
            h: 'ien oere',
            hh: '%d oeren',
            d: 'ien dei',
            dd: '%d dagen',
            M: 'ien moanne',
            MM: '%d moannen',
            y: 'ien jier',
            yy: '%d jierren',
        },
        dayOfMonthOrdinalParse: /\d{1,2}(ste|de)/,
        ordinal: function (number) {
            return (
                number +
                (number === 1 || number === 8 || number >= 20 ? 'ste' : 'de')
            );
        },
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    var months$6 = [
            'Eanáir',
            'Feabhra',
            'Márta',
            'Aibreán',
            'Bealtaine',
            'Meitheamh',
            'Iúil',
            'Lúnasa',
            'Meán Fómhair',
            'Deireadh Fómhair',
            'Samhain',
            'Nollaig',
        ],
        monthsShort$5 = [
            'Ean',
            'Feabh',
            'Márt',
            'Aib',
            'Beal',
            'Meith',
            'Iúil',
            'Lún',
            'M.F.',
            'D.F.',
            'Samh',
            'Noll',
        ],
        weekdays$1 = [
            'Dé Domhnaigh',
            'Dé Luain',
            'Dé Máirt',
            'Dé Céadaoin',
            'Déardaoin',
            'Dé hAoine',
            'Dé Sathairn',
        ],
        weekdaysShort = ['Domh', 'Luan', 'Máirt', 'Céad', 'Déar', 'Aoine', 'Sath'],
        weekdaysMin = ['Do', 'Lu', 'Má', 'Cé', 'Dé', 'A', 'Sa'];

    hooks.defineLocale('ga', {
        months: months$6,
        monthsShort: monthsShort$5,
        monthsParseExact: true,
        weekdays: weekdays$1,
        weekdaysShort: weekdaysShort,
        weekdaysMin: weekdaysMin,
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY HH:mm',
            LLLL: 'dddd, D MMMM YYYY HH:mm',
        },
        calendar: {
            sameDay: '[Inniu ag] LT',
            nextDay: '[Amárach ag] LT',
            nextWeek: 'dddd [ag] LT',
            lastDay: '[Inné ag] LT',
            lastWeek: 'dddd [seo caite] [ag] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'i %s',
            past: '%s ó shin',
            s: 'cúpla soicind',
            ss: '%d soicind',
            m: 'nóiméad',
            mm: '%d nóiméad',
            h: 'uair an chloig',
            hh: '%d uair an chloig',
            d: 'lá',
            dd: '%d lá',
            M: 'mí',
            MM: '%d míonna',
            y: 'bliain',
            yy: '%d bliain',
        },
        dayOfMonthOrdinalParse: /\d{1,2}(d|na|mh)/,
        ordinal: function (number) {
            var output = number === 1 ? 'd' : number % 10 === 2 ? 'na' : 'mh';
            return number + output;
        },
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    var months$7 = [
            'Am Faoilleach',
            'An Gearran',
            'Am Màrt',
            'An Giblean',
            'An Cèitean',
            'An t-Ògmhios',
            'An t-Iuchar',
            'An Lùnastal',
            'An t-Sultain',
            'An Dàmhair',
            'An t-Samhain',
            'An Dùbhlachd',
        ],
        monthsShort$6 = [
            'Faoi',
            'Gear',
            'Màrt',
            'Gibl',
            'Cèit',
            'Ògmh',
            'Iuch',
            'Lùn',
            'Sult',
            'Dàmh',
            'Samh',
            'Dùbh',
        ],
        weekdays$2 = [
            'Didòmhnaich',
            'Diluain',
            'Dimàirt',
            'Diciadain',
            'Diardaoin',
            'Dihaoine',
            'Disathairne',
        ],
        weekdaysShort$1 = ['Did', 'Dil', 'Dim', 'Dic', 'Dia', 'Dih', 'Dis'],
        weekdaysMin$1 = ['Dò', 'Lu', 'Mà', 'Ci', 'Ar', 'Ha', 'Sa'];

    hooks.defineLocale('gd', {
        months: months$7,
        monthsShort: monthsShort$6,
        monthsParseExact: true,
        weekdays: weekdays$2,
        weekdaysShort: weekdaysShort$1,
        weekdaysMin: weekdaysMin$1,
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY HH:mm',
            LLLL: 'dddd, D MMMM YYYY HH:mm',
        },
        calendar: {
            sameDay: '[An-diugh aig] LT',
            nextDay: '[A-màireach aig] LT',
            nextWeek: 'dddd [aig] LT',
            lastDay: '[An-dè aig] LT',
            lastWeek: 'dddd [seo chaidh] [aig] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'ann an %s',
            past: 'bho chionn %s',
            s: 'beagan diogan',
            ss: '%d diogan',
            m: 'mionaid',
            mm: '%d mionaidean',
            h: 'uair',
            hh: '%d uairean',
            d: 'latha',
            dd: '%d latha',
            M: 'mìos',
            MM: '%d mìosan',
            y: 'bliadhna',
            yy: '%d bliadhna',
        },
        dayOfMonthOrdinalParse: /\d{1,2}(d|na|mh)/,
        ordinal: function (number) {
            var output = number === 1 ? 'd' : number % 10 === 2 ? 'na' : 'mh';
            return number + output;
        },
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('gl', {
        months: 'xaneiro_febreiro_marzo_abril_maio_xuño_xullo_agosto_setembro_outubro_novembro_decembro'.split(
            '_'
        ),
        monthsShort:
            'xan._feb._mar._abr._mai._xuñ._xul._ago._set._out._nov._dec.'.split(
                '_'
            ),
        monthsParseExact: true,
        weekdays: 'domingo_luns_martes_mércores_xoves_venres_sábado'.split('_'),
        weekdaysShort: 'dom._lun._mar._mér._xov._ven._sáb.'.split('_'),
        weekdaysMin: 'do_lu_ma_mé_xo_ve_sá'.split('_'),
        weekdaysParseExact: true,
        longDateFormat: {
            LT: 'H:mm',
            LTS: 'H:mm:ss',
            L: 'DD/MM/YYYY',
            LL: 'D [de] MMMM [de] YYYY',
            LLL: 'D [de] MMMM [de] YYYY H:mm',
            LLLL: 'dddd, D [de] MMMM [de] YYYY H:mm',
        },
        calendar: {
            sameDay: function () {
                return '[hoxe ' + (this.hours() !== 1 ? 'ás' : 'á') + '] LT';
            },
            nextDay: function () {
                return '[mañá ' + (this.hours() !== 1 ? 'ás' : 'á') + '] LT';
            },
            nextWeek: function () {
                return 'dddd [' + (this.hours() !== 1 ? 'ás' : 'a') + '] LT';
            },
            lastDay: function () {
                return '[onte ' + (this.hours() !== 1 ? 'á' : 'a') + '] LT';
            },
            lastWeek: function () {
                return (
                    '[o] dddd [pasado ' + (this.hours() !== 1 ? 'ás' : 'a') + '] LT'
                );
            },
            sameElse: 'L',
        },
        relativeTime: {
            future: function (str) {
                if (str.indexOf('un') === 0) {
                    return 'n' + str;
                }
                return 'en ' + str;
            },
            past: 'hai %s',
            s: 'uns segundos',
            ss: '%d segundos',
            m: 'un minuto',
            mm: '%d minutos',
            h: 'unha hora',
            hh: '%d horas',
            d: 'un día',
            dd: '%d días',
            M: 'un mes',
            MM: '%d meses',
            y: 'un ano',
            yy: '%d anos',
        },
        dayOfMonthOrdinalParse: /\d{1,2}º/,
        ordinal: '%dº',
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    function processRelativeTime$4(number, withoutSuffix, key, isFuture) {
        var format = {
            s: ['थोडया सॅकंडांनी', 'थोडे सॅकंड'],
            ss: [number + ' सॅकंडांनी', number + ' सॅकंड'],
            m: ['एका मिणटान', 'एक मिनूट'],
            mm: [number + ' मिणटांनी', number + ' मिणटां'],
            h: ['एका वरान', 'एक वर'],
            hh: [number + ' वरांनी', number + ' वरां'],
            d: ['एका दिसान', 'एक दीस'],
            dd: [number + ' दिसांनी', number + ' दीस'],
            M: ['एका म्हयन्यान', 'एक म्हयनो'],
            MM: [number + ' म्हयन्यानी', number + ' म्हयने'],
            y: ['एका वर्सान', 'एक वर्स'],
            yy: [number + ' वर्सांनी', number + ' वर्सां'],
        };
        return isFuture ? format[key][0] : format[key][1];
    }

    hooks.defineLocale('gom-deva', {
        months: {
            standalone:
                'जानेवारी_फेब्रुवारी_मार्च_एप्रील_मे_जून_जुलय_ऑगस्ट_सप्टेंबर_ऑक्टोबर_नोव्हेंबर_डिसेंबर'.split(
                    '_'
                ),
            format: 'जानेवारीच्या_फेब्रुवारीच्या_मार्चाच्या_एप्रीलाच्या_मेयाच्या_जूनाच्या_जुलयाच्या_ऑगस्टाच्या_सप्टेंबराच्या_ऑक्टोबराच्या_नोव्हेंबराच्या_डिसेंबराच्या'.split(
                '_'
            ),
            isFormat: /MMMM(\s)+D[oD]?/,
        },
        monthsShort:
            'जाने._फेब्रु._मार्च_एप्री._मे_जून_जुल._ऑग._सप्टें._ऑक्टो._नोव्हें._डिसें.'.split(
                '_'
            ),
        monthsParseExact: true,
        weekdays: 'आयतार_सोमार_मंगळार_बुधवार_बिरेस्तार_सुक्रार_शेनवार'.split('_'),
        weekdaysShort: 'आयत._सोम._मंगळ._बुध._ब्रेस्त._सुक्र._शेन.'.split('_'),
        weekdaysMin: 'आ_सो_मं_बु_ब्रे_सु_शे'.split('_'),
        weekdaysParseExact: true,
        longDateFormat: {
            LT: 'A h:mm [वाजतां]',
            LTS: 'A h:mm:ss [वाजतां]',
            L: 'DD-MM-YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY A h:mm [वाजतां]',
            LLLL: 'dddd, MMMM Do, YYYY, A h:mm [वाजतां]',
            llll: 'ddd, D MMM YYYY, A h:mm [वाजतां]',
        },
        calendar: {
            sameDay: '[आयज] LT',
            nextDay: '[फाल्यां] LT',
            nextWeek: '[फुडलो] dddd[,] LT',
            lastDay: '[काल] LT',
            lastWeek: '[फाटलो] dddd[,] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: '%s',
            past: '%s आदीं',
            s: processRelativeTime$4,
            ss: processRelativeTime$4,
            m: processRelativeTime$4,
            mm: processRelativeTime$4,
            h: processRelativeTime$4,
            hh: processRelativeTime$4,
            d: processRelativeTime$4,
            dd: processRelativeTime$4,
            M: processRelativeTime$4,
            MM: processRelativeTime$4,
            y: processRelativeTime$4,
            yy: processRelativeTime$4,
        },
        dayOfMonthOrdinalParse: /\d{1,2}(वेर)/,
        ordinal: function (number, period) {
            switch (period) {
                // the ordinal 'वेर' only applies to day of the month
                case 'D':
                    return number + 'वेर';
                default:
                case 'M':
                case 'Q':
                case 'DDD':
                case 'd':
                case 'w':
                case 'W':
                    return number;
            }
        },
        week: {
            dow: 0, // Sunday is the first day of the week
            doy: 3, // The week that contains Jan 4th is the first week of the year (7 + 0 - 4)
        },
        meridiemParse: /राती|सकाळीं|दनपारां|सांजे/,
        meridiemHour: function (hour, meridiem) {
            if (hour === 12) {
                hour = 0;
            }
            if (meridiem === 'राती') {
                return hour < 4 ? hour : hour + 12;
            } else if (meridiem === 'सकाळीं') {
                return hour;
            } else if (meridiem === 'दनपारां') {
                return hour > 12 ? hour : hour + 12;
            } else if (meridiem === 'सांजे') {
                return hour + 12;
            }
        },
        meridiem: function (hour, minute, isLower) {
            if (hour < 4) {
                return 'राती';
            } else if (hour < 12) {
                return 'सकाळीं';
            } else if (hour < 16) {
                return 'दनपारां';
            } else if (hour < 20) {
                return 'सांजे';
            } else {
                return 'राती';
            }
        },
    });

    //! moment.js locale configuration

    function processRelativeTime$5(number, withoutSuffix, key, isFuture) {
        var format = {
            s: ['thoddea sekondamni', 'thodde sekond'],
            ss: [number + ' sekondamni', number + ' sekond'],
            m: ['eka mintan', 'ek minut'],
            mm: [number + ' mintamni', number + ' mintam'],
            h: ['eka voran', 'ek vor'],
            hh: [number + ' voramni', number + ' voram'],
            d: ['eka disan', 'ek dis'],
            dd: [number + ' disamni', number + ' dis'],
            M: ['eka mhoinean', 'ek mhoino'],
            MM: [number + ' mhoineamni', number + ' mhoine'],
            y: ['eka vorsan', 'ek voros'],
            yy: [number + ' vorsamni', number + ' vorsam'],
        };
        return isFuture ? format[key][0] : format[key][1];
    }

    hooks.defineLocale('gom-latn', {
        months: {
            standalone:
                'Janer_Febrer_Mars_Abril_Mai_Jun_Julai_Agost_Setembr_Otubr_Novembr_Dezembr'.split(
                    '_'
                ),
            format: 'Janerachea_Febrerachea_Marsachea_Abrilachea_Maiachea_Junachea_Julaiachea_Agostachea_Setembrachea_Otubrachea_Novembrachea_Dezembrachea'.split(
                '_'
            ),
            isFormat: /MMMM(\s)+D[oD]?/,
        },
        monthsShort:
            'Jan._Feb._Mars_Abr._Mai_Jun_Jul._Ago._Set._Otu._Nov._Dez.'.split('_'),
        monthsParseExact: true,
        weekdays: "Aitar_Somar_Mongllar_Budhvar_Birestar_Sukrar_Son'var".split('_'),
        weekdaysShort: 'Ait._Som._Mon._Bud._Bre._Suk._Son.'.split('_'),
        weekdaysMin: 'Ai_Sm_Mo_Bu_Br_Su_Sn'.split('_'),
        weekdaysParseExact: true,
        longDateFormat: {
            LT: 'A h:mm [vazta]',
            LTS: 'A h:mm:ss [vazta]',
            L: 'DD-MM-YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY A h:mm [vazta]',
            LLLL: 'dddd, MMMM Do, YYYY, A h:mm [vazta]',
            llll: 'ddd, D MMM YYYY, A h:mm [vazta]',
        },
        calendar: {
            sameDay: '[Aiz] LT',
            nextDay: '[Faleam] LT',
            nextWeek: '[Fuddlo] dddd[,] LT',
            lastDay: '[Kal] LT',
            lastWeek: '[Fattlo] dddd[,] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: '%s',
            past: '%s adim',
            s: processRelativeTime$5,
            ss: processRelativeTime$5,
            m: processRelativeTime$5,
            mm: processRelativeTime$5,
            h: processRelativeTime$5,
            hh: processRelativeTime$5,
            d: processRelativeTime$5,
            dd: processRelativeTime$5,
            M: processRelativeTime$5,
            MM: processRelativeTime$5,
            y: processRelativeTime$5,
            yy: processRelativeTime$5,
        },
        dayOfMonthOrdinalParse: /\d{1,2}(er)/,
        ordinal: function (number, period) {
            switch (period) {
                // the ordinal 'er' only applies to day of the month
                case 'D':
                    return number + 'er';
                default:
                case 'M':
                case 'Q':
                case 'DDD':
                case 'd':
                case 'w':
                case 'W':
                    return number;
            }
        },
        week: {
            dow: 0, // Sunday is the first day of the week
            doy: 3, // The week that contains Jan 4th is the first week of the year (7 + 0 - 4)
        },
        meridiemParse: /rati|sokallim|donparam|sanje/,
        meridiemHour: function (hour, meridiem) {
            if (hour === 12) {
                hour = 0;
            }
            if (meridiem === 'rati') {
                return hour < 4 ? hour : hour + 12;
            } else if (meridiem === 'sokallim') {
                return hour;
            } else if (meridiem === 'donparam') {
                return hour > 12 ? hour : hour + 12;
            } else if (meridiem === 'sanje') {
                return hour + 12;
            }
        },
        meridiem: function (hour, minute, isLower) {
            if (hour < 4) {
                return 'rati';
            } else if (hour < 12) {
                return 'sokallim';
            } else if (hour < 16) {
                return 'donparam';
            } else if (hour < 20) {
                return 'sanje';
            } else {
                return 'rati';
            }
        },
    });

    //! moment.js locale configuration

    var symbolMap$7 = {
            1: '૧',
            2: '૨',
            3: '૩',
            4: '૪',
            5: '૫',
            6: '૬',
            7: '૭',
            8: '૮',
            9: '૯',
            0: '૦',
        },
        numberMap$6 = {
            '૧': '1',
            '૨': '2',
            '૩': '3',
            '૪': '4',
            '૫': '5',
            '૬': '6',
            '૭': '7',
            '૮': '8',
            '૯': '9',
            '૦': '0',
        };

    hooks.defineLocale('gu', {
        months: 'જાન્યુઆરી_ફેબ્રુઆરી_માર્ચ_એપ્રિલ_મે_જૂન_જુલાઈ_ઑગસ્ટ_સપ્ટેમ્બર_ઑક્ટ્બર_નવેમ્બર_ડિસેમ્બર'.split(
            '_'
        ),
        monthsShort:
            'જાન્યુ._ફેબ્રુ._માર્ચ_એપ્રિ._મે_જૂન_જુલા._ઑગ._સપ્ટે._ઑક્ટ્._નવે._ડિસે.'.split(
                '_'
            ),
        monthsParseExact: true,
        weekdays: 'રવિવાર_સોમવાર_મંગળવાર_બુધ્વાર_ગુરુવાર_શુક્રવાર_શનિવાર'.split(
            '_'
        ),
        weekdaysShort: 'રવિ_સોમ_મંગળ_બુધ્_ગુરુ_શુક્ર_શનિ'.split('_'),
        weekdaysMin: 'ર_સો_મં_બુ_ગુ_શુ_શ'.split('_'),
        longDateFormat: {
            LT: 'A h:mm વાગ્યે',
            LTS: 'A h:mm:ss વાગ્યે',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY, A h:mm વાગ્યે',
            LLLL: 'dddd, D MMMM YYYY, A h:mm વાગ્યે',
        },
        calendar: {
            sameDay: '[આજ] LT',
            nextDay: '[કાલે] LT',
            nextWeek: 'dddd, LT',
            lastDay: '[ગઇકાલે] LT',
            lastWeek: '[પાછલા] dddd, LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: '%s મા',
            past: '%s પહેલા',
            s: 'અમુક પળો',
            ss: '%d સેકંડ',
            m: 'એક મિનિટ',
            mm: '%d મિનિટ',
            h: 'એક કલાક',
            hh: '%d કલાક',
            d: 'એક દિવસ',
            dd: '%d દિવસ',
            M: 'એક મહિનો',
            MM: '%d મહિનો',
            y: 'એક વર્ષ',
            yy: '%d વર્ષ',
        },
        preparse: function (string) {
            return string.replace(/[૧૨૩૪૫૬૭૮૯૦]/g, function (match) {
                return numberMap$6[match];
            });
        },
        postformat: function (string) {
            return string.replace(/\d/g, function (match) {
                return symbolMap$7[match];
            });
        },
        // Gujarati notation for meridiems are quite fuzzy in practice. While there exists
        // a rigid notion of a 'Pahar' it is not used as rigidly in modern Gujarati.
        meridiemParse: /રાત|બપોર|સવાર|સાંજ/,
        meridiemHour: function (hour, meridiem) {
            if (hour === 12) {
                hour = 0;
            }
            if (meridiem === 'રાત') {
                return hour < 4 ? hour : hour + 12;
            } else if (meridiem === 'સવાર') {
                return hour;
            } else if (meridiem === 'બપોર') {
                return hour >= 10 ? hour : hour + 12;
            } else if (meridiem === 'સાંજ') {
                return hour + 12;
            }
        },
        meridiem: function (hour, minute, isLower) {
            if (hour < 4) {
                return 'રાત';
            } else if (hour < 10) {
                return 'સવાર';
            } else if (hour < 17) {
                return 'બપોર';
            } else if (hour < 20) {
                return 'સાંજ';
            } else {
                return 'રાત';
            }
        },
        week: {
            dow: 0, // Sunday is the first day of the week.
            doy: 6, // The week that contains Jan 6th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('he', {
        months: 'ינואר_פברואר_מרץ_אפריל_מאי_יוני_יולי_אוגוסט_ספטמבר_אוקטובר_נובמבר_דצמבר'.split(
            '_'
        ),
        monthsShort:
            'ינו׳_פבר׳_מרץ_אפר׳_מאי_יוני_יולי_אוג׳_ספט׳_אוק׳_נוב׳_דצמ׳'.split('_'),
        weekdays: 'ראשון_שני_שלישי_רביעי_חמישי_שישי_שבת'.split('_'),
        weekdaysShort: 'א׳_ב׳_ג׳_ד׳_ה׳_ו׳_ש׳'.split('_'),
        weekdaysMin: 'א_ב_ג_ד_ה_ו_ש'.split('_'),
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD/MM/YYYY',
            LL: 'D [ב]MMMM YYYY',
            LLL: 'D [ב]MMMM YYYY HH:mm',
            LLLL: 'dddd, D [ב]MMMM YYYY HH:mm',
            l: 'D/M/YYYY',
            ll: 'D MMM YYYY',
            lll: 'D MMM YYYY HH:mm',
            llll: 'ddd, D MMM YYYY HH:mm',
        },
        calendar: {
            sameDay: '[היום ב־]LT',
            nextDay: '[מחר ב־]LT',
            nextWeek: 'dddd [בשעה] LT',
            lastDay: '[אתמול ב־]LT',
            lastWeek: '[ביום] dddd [האחרון בשעה] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'בעוד %s',
            past: 'לפני %s',
            s: 'מספר שניות',
            ss: '%d שניות',
            m: 'דקה',
            mm: '%d דקות',
            h: 'שעה',
            hh: function (number) {
                if (number === 2) {
                    return 'שעתיים';
                }
                return number + ' שעות';
            },
            d: 'יום',
            dd: function (number) {
                if (number === 2) {
                    return 'יומיים';
                }
                return number + ' ימים';
            },
            M: 'חודש',
            MM: function (number) {
                if (number === 2) {
                    return 'חודשיים';
                }
                return number + ' חודשים';
            },
            y: 'שנה',
            yy: function (number) {
                if (number === 2) {
                    return 'שנתיים';
                } else if (number % 10 === 0 && number !== 10) {
                    return number + ' שנה';
                }
                return number + ' שנים';
            },
        },
        meridiemParse:
            /אחה"צ|לפנה"צ|אחרי הצהריים|לפני הצהריים|לפנות בוקר|בבוקר|בערב/i,
        isPM: function (input) {
            return /^(אחה"צ|אחרי הצהריים|בערב)$/.test(input);
        },
        meridiem: function (hour, minute, isLower) {
            if (hour < 5) {
                return 'לפנות בוקר';
            } else if (hour < 10) {
                return 'בבוקר';
            } else if (hour < 12) {
                return isLower ? 'לפנה"צ' : 'לפני הצהריים';
            } else if (hour < 18) {
                return isLower ? 'אחה"צ' : 'אחרי הצהריים';
            } else {
                return 'בערב';
            }
        },
    });

    //! moment.js locale configuration

    var symbolMap$8 = {
            1: '१',
            2: '२',
            3: '३',
            4: '४',
            5: '५',
            6: '६',
            7: '७',
            8: '८',
            9: '९',
            0: '०',
        },
        numberMap$7 = {
            '१': '1',
            '२': '2',
            '३': '3',
            '४': '4',
            '५': '5',
            '६': '6',
            '७': '7',
            '८': '8',
            '९': '9',
            '०': '0',
        },
        monthsParse$7 = [
            /^जन/i,
            /^फ़र|फर/i,
            /^मार्च/i,
            /^अप्रै/i,
            /^मई/i,
            /^जून/i,
            /^जुल/i,
            /^अग/i,
            /^सितं|सित/i,
            /^अक्टू/i,
            /^नव|नवं/i,
            /^दिसं|दिस/i,
        ],
        shortMonthsParse = [
            /^जन/i,
            /^फ़र/i,
            /^मार्च/i,
            /^अप्रै/i,
            /^मई/i,
            /^जून/i,
            /^जुल/i,
            /^अग/i,
            /^सित/i,
            /^अक्टू/i,
            /^नव/i,
            /^दिस/i,
        ];

    hooks.defineLocale('hi', {
        months: {
            format: 'जनवरी_फ़रवरी_मार्च_अप्रैल_मई_जून_जुलाई_अगस्त_सितम्बर_अक्टूबर_नवम्बर_दिसम्बर'.split(
                '_'
            ),
            standalone:
                'जनवरी_फरवरी_मार्च_अप्रैल_मई_जून_जुलाई_अगस्त_सितंबर_अक्टूबर_नवंबर_दिसंबर'.split(
                    '_'
                ),
        },
        monthsShort:
            'जन._फ़र._मार्च_अप्रै._मई_जून_जुल._अग._सित._अक्टू._नव._दिस.'.split('_'),
        weekdays: 'रविवार_सोमवार_मंगलवार_बुधवार_गुरूवार_शुक्रवार_शनिवार'.split('_'),
        weekdaysShort: 'रवि_सोम_मंगल_बुध_गुरू_शुक्र_शनि'.split('_'),
        weekdaysMin: 'र_सो_मं_बु_गु_शु_श'.split('_'),
        longDateFormat: {
            LT: 'A h:mm बजे',
            LTS: 'A h:mm:ss बजे',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY, A h:mm बजे',
            LLLL: 'dddd, D MMMM YYYY, A h:mm बजे',
        },

        monthsParse: monthsParse$7,
        longMonthsParse: monthsParse$7,
        shortMonthsParse: shortMonthsParse,

        monthsRegex:
            /^(जनवरी|जन\.?|फ़रवरी|फरवरी|फ़र\.?|मार्च?|अप्रैल|अप्रै\.?|मई?|जून?|जुलाई|जुल\.?|अगस्त|अग\.?|सितम्बर|सितंबर|सित\.?|अक्टूबर|अक्टू\.?|नवम्बर|नवंबर|नव\.?|दिसम्बर|दिसंबर|दिस\.?)/i,

        monthsShortRegex:
            /^(जनवरी|जन\.?|फ़रवरी|फरवरी|फ़र\.?|मार्च?|अप्रैल|अप्रै\.?|मई?|जून?|जुलाई|जुल\.?|अगस्त|अग\.?|सितम्बर|सितंबर|सित\.?|अक्टूबर|अक्टू\.?|नवम्बर|नवंबर|नव\.?|दिसम्बर|दिसंबर|दिस\.?)/i,

        monthsStrictRegex:
            /^(जनवरी?|फ़रवरी|फरवरी?|मार्च?|अप्रैल?|मई?|जून?|जुलाई?|अगस्त?|सितम्बर|सितंबर|सित?\.?|अक्टूबर|अक्टू\.?|नवम्बर|नवंबर?|दिसम्बर|दिसंबर?)/i,

        monthsShortStrictRegex:
            /^(जन\.?|फ़र\.?|मार्च?|अप्रै\.?|मई?|जून?|जुल\.?|अग\.?|सित\.?|अक्टू\.?|नव\.?|दिस\.?)/i,

        calendar: {
            sameDay: '[आज] LT',
            nextDay: '[कल] LT',
            nextWeek: 'dddd, LT',
            lastDay: '[कल] LT',
            lastWeek: '[पिछले] dddd, LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: '%s में',
            past: '%s पहले',
            s: 'कुछ ही क्षण',
            ss: '%d सेकंड',
            m: 'एक मिनट',
            mm: '%d मिनट',
            h: 'एक घंटा',
            hh: '%d घंटे',
            d: 'एक दिन',
            dd: '%d दिन',
            M: 'एक महीने',
            MM: '%d महीने',
            y: 'एक वर्ष',
            yy: '%d वर्ष',
        },
        preparse: function (string) {
            return string.replace(/[१२३४५६७८९०]/g, function (match) {
                return numberMap$7[match];
            });
        },
        postformat: function (string) {
            return string.replace(/\d/g, function (match) {
                return symbolMap$8[match];
            });
        },
        // Hindi notation for meridiems are quite fuzzy in practice. While there exists
        // a rigid notion of a 'Pahar' it is not used as rigidly in modern Hindi.
        meridiemParse: /रात|सुबह|दोपहर|शाम/,
        meridiemHour: function (hour, meridiem) {
            if (hour === 12) {
                hour = 0;
            }
            if (meridiem === 'रात') {
                return hour < 4 ? hour : hour + 12;
            } else if (meridiem === 'सुबह') {
                return hour;
            } else if (meridiem === 'दोपहर') {
                return hour >= 10 ? hour : hour + 12;
            } else if (meridiem === 'शाम') {
                return hour + 12;
            }
        },
        meridiem: function (hour, minute, isLower) {
            if (hour < 4) {
                return 'रात';
            } else if (hour < 10) {
                return 'सुबह';
            } else if (hour < 17) {
                return 'दोपहर';
            } else if (hour < 20) {
                return 'शाम';
            } else {
                return 'रात';
            }
        },
        week: {
            dow: 0, // Sunday is the first day of the week.
            doy: 6, // The week that contains Jan 6th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    function translate$3(number, withoutSuffix, key) {
        var result = number + ' ';
        switch (key) {
            case 'ss':
                if (number === 1) {
                    result += 'sekunda';
                } else if (number === 2 || number === 3 || number === 4) {
                    result += 'sekunde';
                } else {
                    result += 'sekundi';
                }
                return result;
            case 'm':
                return withoutSuffix ? 'jedna minuta' : 'jedne minute';
            case 'mm':
                if (number === 1) {
                    result += 'minuta';
                } else if (number === 2 || number === 3 || number === 4) {
                    result += 'minute';
                } else {
                    result += 'minuta';
                }
                return result;
            case 'h':
                return withoutSuffix ? 'jedan sat' : 'jednog sata';
            case 'hh':
                if (number === 1) {
                    result += 'sat';
                } else if (number === 2 || number === 3 || number === 4) {
                    result += 'sata';
                } else {
                    result += 'sati';
                }
                return result;
            case 'dd':
                if (number === 1) {
                    result += 'dan';
                } else {
                    result += 'dana';
                }
                return result;
            case 'MM':
                if (number === 1) {
                    result += 'mjesec';
                } else if (number === 2 || number === 3 || number === 4) {
                    result += 'mjeseca';
                } else {
                    result += 'mjeseci';
                }
                return result;
            case 'yy':
                if (number === 1) {
                    result += 'godina';
                } else if (number === 2 || number === 3 || number === 4) {
                    result += 'godine';
                } else {
                    result += 'godina';
                }
                return result;
        }
    }

    hooks.defineLocale('hr', {
        months: {
            format: 'siječnja_veljače_ožujka_travnja_svibnja_lipnja_srpnja_kolovoza_rujna_listopada_studenoga_prosinca'.split(
                '_'
            ),
            standalone:
                'siječanj_veljača_ožujak_travanj_svibanj_lipanj_srpanj_kolovoz_rujan_listopad_studeni_prosinac'.split(
                    '_'
                ),
        },
        monthsShort:
            'sij._velj._ožu._tra._svi._lip._srp._kol._ruj._lis._stu._pro.'.split(
                '_'
            ),
        monthsParseExact: true,
        weekdays: 'nedjelja_ponedjeljak_utorak_srijeda_četvrtak_petak_subota'.split(
            '_'
        ),
        weekdaysShort: 'ned._pon._uto._sri._čet._pet._sub.'.split('_'),
        weekdaysMin: 'ne_po_ut_sr_če_pe_su'.split('_'),
        weekdaysParseExact: true,
        longDateFormat: {
            LT: 'H:mm',
            LTS: 'H:mm:ss',
            L: 'DD.MM.YYYY',
            LL: 'Do MMMM YYYY',
            LLL: 'Do MMMM YYYY H:mm',
            LLLL: 'dddd, Do MMMM YYYY H:mm',
        },
        calendar: {
            sameDay: '[danas u] LT',
            nextDay: '[sutra u] LT',
            nextWeek: function () {
                switch (this.day()) {
                    case 0:
                        return '[u] [nedjelju] [u] LT';
                    case 3:
                        return '[u] [srijedu] [u] LT';
                    case 6:
                        return '[u] [subotu] [u] LT';
                    case 1:
                    case 2:
                    case 4:
                    case 5:
                        return '[u] dddd [u] LT';
                }
            },
            lastDay: '[jučer u] LT',
            lastWeek: function () {
                switch (this.day()) {
                    case 0:
                        return '[prošlu] [nedjelju] [u] LT';
                    case 3:
                        return '[prošlu] [srijedu] [u] LT';
                    case 6:
                        return '[prošle] [subote] [u] LT';
                    case 1:
                    case 2:
                    case 4:
                    case 5:
                        return '[prošli] dddd [u] LT';
                }
            },
            sameElse: 'L',
        },
        relativeTime: {
            future: 'za %s',
            past: 'prije %s',
            s: 'par sekundi',
            ss: translate$3,
            m: translate$3,
            mm: translate$3,
            h: translate$3,
            hh: translate$3,
            d: 'dan',
            dd: translate$3,
            M: 'mjesec',
            MM: translate$3,
            y: 'godinu',
            yy: translate$3,
        },
        dayOfMonthOrdinalParse: /\d{1,2}\./,
        ordinal: '%d.',
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 7, // The week that contains Jan 7th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    var weekEndings =
        'vasárnap hétfőn kedden szerdán csütörtökön pénteken szombaton'.split(' ');
    function translate$4(number, withoutSuffix, key, isFuture) {
        var num = number;
        switch (key) {
            case 's':
                return isFuture || withoutSuffix
                    ? 'néhány másodperc'
                    : 'néhány másodperce';
            case 'ss':
                return num + (isFuture || withoutSuffix)
                    ? ' másodperc'
                    : ' másodperce';
            case 'm':
                return 'egy' + (isFuture || withoutSuffix ? ' perc' : ' perce');
            case 'mm':
                return num + (isFuture || withoutSuffix ? ' perc' : ' perce');
            case 'h':
                return 'egy' + (isFuture || withoutSuffix ? ' óra' : ' órája');
            case 'hh':
                return num + (isFuture || withoutSuffix ? ' óra' : ' órája');
            case 'd':
                return 'egy' + (isFuture || withoutSuffix ? ' nap' : ' napja');
            case 'dd':
                return num + (isFuture || withoutSuffix ? ' nap' : ' napja');
            case 'M':
                return 'egy' + (isFuture || withoutSuffix ? ' hónap' : ' hónapja');
            case 'MM':
                return num + (isFuture || withoutSuffix ? ' hónap' : ' hónapja');
            case 'y':
                return 'egy' + (isFuture || withoutSuffix ? ' év' : ' éve');
            case 'yy':
                return num + (isFuture || withoutSuffix ? ' év' : ' éve');
        }
        return '';
    }
    function week(isFuture) {
        return (
            (isFuture ? '' : '[múlt] ') +
            '[' +
            weekEndings[this.day()] +
            '] LT[-kor]'
        );
    }

    hooks.defineLocale('hu', {
        months: 'január_február_március_április_május_június_július_augusztus_szeptember_október_november_december'.split(
            '_'
        ),
        monthsShort:
            'jan._feb._márc._ápr._máj._jún._júl._aug._szept._okt._nov._dec.'.split(
                '_'
            ),
        monthsParseExact: true,
        weekdays: 'vasárnap_hétfő_kedd_szerda_csütörtök_péntek_szombat'.split('_'),
        weekdaysShort: 'vas_hét_kedd_sze_csüt_pén_szo'.split('_'),
        weekdaysMin: 'v_h_k_sze_cs_p_szo'.split('_'),
        longDateFormat: {
            LT: 'H:mm',
            LTS: 'H:mm:ss',
            L: 'YYYY.MM.DD.',
            LL: 'YYYY. MMMM D.',
            LLL: 'YYYY. MMMM D. H:mm',
            LLLL: 'YYYY. MMMM D., dddd H:mm',
        },
        meridiemParse: /de|du/i,
        isPM: function (input) {
            return input.charAt(1).toLowerCase() === 'u';
        },
        meridiem: function (hours, minutes, isLower) {
            if (hours < 12) {
                return isLower === true ? 'de' : 'DE';
            } else {
                return isLower === true ? 'du' : 'DU';
            }
        },
        calendar: {
            sameDay: '[ma] LT[-kor]',
            nextDay: '[holnap] LT[-kor]',
            nextWeek: function () {
                return week.call(this, true);
            },
            lastDay: '[tegnap] LT[-kor]',
            lastWeek: function () {
                return week.call(this, false);
            },
            sameElse: 'L',
        },
        relativeTime: {
            future: '%s múlva',
            past: '%s',
            s: translate$4,
            ss: translate$4,
            m: translate$4,
            mm: translate$4,
            h: translate$4,
            hh: translate$4,
            d: translate$4,
            dd: translate$4,
            M: translate$4,
            MM: translate$4,
            y: translate$4,
            yy: translate$4,
        },
        dayOfMonthOrdinalParse: /\d{1,2}\./,
        ordinal: '%d.',
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('hy-am', {
        months: {
            format: 'հունվարի_փետրվարի_մարտի_ապրիլի_մայիսի_հունիսի_հուլիսի_օգոստոսի_սեպտեմբերի_հոկտեմբերի_նոյեմբերի_դեկտեմբերի'.split(
                '_'
            ),
            standalone:
                'հունվար_փետրվար_մարտ_ապրիլ_մայիս_հունիս_հուլիս_օգոստոս_սեպտեմբեր_հոկտեմբեր_նոյեմբեր_դեկտեմբեր'.split(
                    '_'
                ),
        },
        monthsShort: 'հնվ_փտր_մրտ_ապր_մյս_հնս_հլս_օգս_սպտ_հկտ_նմբ_դկտ'.split('_'),
        weekdays:
            'կիրակի_երկուշաբթի_երեքշաբթի_չորեքշաբթի_հինգշաբթի_ուրբաթ_շաբաթ'.split(
                '_'
            ),
        weekdaysShort: 'կրկ_երկ_երք_չրք_հնգ_ուրբ_շբթ'.split('_'),
        weekdaysMin: 'կրկ_երկ_երք_չրք_հնգ_ուրբ_շբթ'.split('_'),
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD.MM.YYYY',
            LL: 'D MMMM YYYY թ.',
            LLL: 'D MMMM YYYY թ., HH:mm',
            LLLL: 'dddd, D MMMM YYYY թ., HH:mm',
        },
        calendar: {
            sameDay: '[այսօր] LT',
            nextDay: '[վաղը] LT',
            lastDay: '[երեկ] LT',
            nextWeek: function () {
                return 'dddd [օրը ժամը] LT';
            },
            lastWeek: function () {
                return '[անցած] dddd [օրը ժամը] LT';
            },
            sameElse: 'L',
        },
        relativeTime: {
            future: '%s հետո',
            past: '%s առաջ',
            s: 'մի քանի վայրկյան',
            ss: '%d վայրկյան',
            m: 'րոպե',
            mm: '%d րոպե',
            h: 'ժամ',
            hh: '%d ժամ',
            d: 'օր',
            dd: '%d օր',
            M: 'ամիս',
            MM: '%d ամիս',
            y: 'տարի',
            yy: '%d տարի',
        },
        meridiemParse: /գիշերվա|առավոտվա|ցերեկվա|երեկոյան/,
        isPM: function (input) {
            return /^(ցերեկվա|երեկոյան)$/.test(input);
        },
        meridiem: function (hour) {
            if (hour < 4) {
                return 'գիշերվա';
            } else if (hour < 12) {
                return 'առավոտվա';
            } else if (hour < 17) {
                return 'ցերեկվա';
            } else {
                return 'երեկոյան';
            }
        },
        dayOfMonthOrdinalParse: /\d{1,2}|\d{1,2}-(ին|րդ)/,
        ordinal: function (number, period) {
            switch (period) {
                case 'DDD':
                case 'w':
                case 'W':
                case 'DDDo':
                    if (number === 1) {
                        return number + '-ին';
                    }
                    return number + '-րդ';
                default:
                    return number;
            }
        },
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 7, // The week that contains Jan 7th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('id', {
        months: 'Januari_Februari_Maret_April_Mei_Juni_Juli_Agustus_September_Oktober_November_Desember'.split(
            '_'
        ),
        monthsShort: 'Jan_Feb_Mar_Apr_Mei_Jun_Jul_Agt_Sep_Okt_Nov_Des'.split('_'),
        weekdays: 'Minggu_Senin_Selasa_Rabu_Kamis_Jumat_Sabtu'.split('_'),
        weekdaysShort: 'Min_Sen_Sel_Rab_Kam_Jum_Sab'.split('_'),
        weekdaysMin: 'Mg_Sn_Sl_Rb_Km_Jm_Sb'.split('_'),
        longDateFormat: {
            LT: 'HH.mm',
            LTS: 'HH.mm.ss',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY [pukul] HH.mm',
            LLLL: 'dddd, D MMMM YYYY [pukul] HH.mm',
        },
        meridiemParse: /pagi|siang|sore|malam/,
        meridiemHour: function (hour, meridiem) {
            if (hour === 12) {
                hour = 0;
            }
            if (meridiem === 'pagi') {
                return hour;
            } else if (meridiem === 'siang') {
                return hour >= 11 ? hour : hour + 12;
            } else if (meridiem === 'sore' || meridiem === 'malam') {
                return hour + 12;
            }
        },
        meridiem: function (hours, minutes, isLower) {
            if (hours < 11) {
                return 'pagi';
            } else if (hours < 15) {
                return 'siang';
            } else if (hours < 19) {
                return 'sore';
            } else {
                return 'malam';
            }
        },
        calendar: {
            sameDay: '[Hari ini pukul] LT',
            nextDay: '[Besok pukul] LT',
            nextWeek: 'dddd [pukul] LT',
            lastDay: '[Kemarin pukul] LT',
            lastWeek: 'dddd [lalu pukul] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'dalam %s',
            past: '%s yang lalu',
            s: 'beberapa detik',
            ss: '%d detik',
            m: 'semenit',
            mm: '%d menit',
            h: 'sejam',
            hh: '%d jam',
            d: 'sehari',
            dd: '%d hari',
            M: 'sebulan',
            MM: '%d bulan',
            y: 'setahun',
            yy: '%d tahun',
        },
        week: {
            dow: 0, // Sunday is the first day of the week.
            doy: 6, // The week that contains Jan 6th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    function plural$2(n) {
        if (n % 100 === 11) {
            return true;
        } else if (n % 10 === 1) {
            return false;
        }
        return true;
    }
    function translate$5(number, withoutSuffix, key, isFuture) {
        var result = number + ' ';
        switch (key) {
            case 's':
                return withoutSuffix || isFuture
                    ? 'nokkrar sekúndur'
                    : 'nokkrum sekúndum';
            case 'ss':
                if (plural$2(number)) {
                    return (
                        result +
                        (withoutSuffix || isFuture ? 'sekúndur' : 'sekúndum')
                    );
                }
                return result + 'sekúnda';
            case 'm':
                return withoutSuffix ? 'mínúta' : 'mínútu';
            case 'mm':
                if (plural$2(number)) {
                    return (
                        result + (withoutSuffix || isFuture ? 'mínútur' : 'mínútum')
                    );
                } else if (withoutSuffix) {
                    return result + 'mínúta';
                }
                return result + 'mínútu';
            case 'hh':
                if (plural$2(number)) {
                    return (
                        result +
                        (withoutSuffix || isFuture
                            ? 'klukkustundir'
                            : 'klukkustundum')
                    );
                }
                return result + 'klukkustund';
            case 'd':
                if (withoutSuffix) {
                    return 'dagur';
                }
                return isFuture ? 'dag' : 'degi';
            case 'dd':
                if (plural$2(number)) {
                    if (withoutSuffix) {
                        return result + 'dagar';
                    }
                    return result + (isFuture ? 'daga' : 'dögum');
                } else if (withoutSuffix) {
                    return result + 'dagur';
                }
                return result + (isFuture ? 'dag' : 'degi');
            case 'M':
                if (withoutSuffix) {
                    return 'mánuður';
                }
                return isFuture ? 'mánuð' : 'mánuði';
            case 'MM':
                if (plural$2(number)) {
                    if (withoutSuffix) {
                        return result + 'mánuðir';
                    }
                    return result + (isFuture ? 'mánuði' : 'mánuðum');
                } else if (withoutSuffix) {
                    return result + 'mánuður';
                }
                return result + (isFuture ? 'mánuð' : 'mánuði');
            case 'y':
                return withoutSuffix || isFuture ? 'ár' : 'ári';
            case 'yy':
                if (plural$2(number)) {
                    return result + (withoutSuffix || isFuture ? 'ár' : 'árum');
                }
                return result + (withoutSuffix || isFuture ? 'ár' : 'ári');
        }
    }

    hooks.defineLocale('is', {
        months: 'janúar_febrúar_mars_apríl_maí_júní_júlí_ágúst_september_október_nóvember_desember'.split(
            '_'
        ),
        monthsShort: 'jan_feb_mar_apr_maí_jún_júl_ágú_sep_okt_nóv_des'.split('_'),
        weekdays:
            'sunnudagur_mánudagur_þriðjudagur_miðvikudagur_fimmtudagur_föstudagur_laugardagur'.split(
                '_'
            ),
        weekdaysShort: 'sun_mán_þri_mið_fim_fös_lau'.split('_'),
        weekdaysMin: 'Su_Má_Þr_Mi_Fi_Fö_La'.split('_'),
        longDateFormat: {
            LT: 'H:mm',
            LTS: 'H:mm:ss',
            L: 'DD.MM.YYYY',
            LL: 'D. MMMM YYYY',
            LLL: 'D. MMMM YYYY [kl.] H:mm',
            LLLL: 'dddd, D. MMMM YYYY [kl.] H:mm',
        },
        calendar: {
            sameDay: '[í dag kl.] LT',
            nextDay: '[á morgun kl.] LT',
            nextWeek: 'dddd [kl.] LT',
            lastDay: '[í gær kl.] LT',
            lastWeek: '[síðasta] dddd [kl.] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'eftir %s',
            past: 'fyrir %s síðan',
            s: translate$5,
            ss: translate$5,
            m: translate$5,
            mm: translate$5,
            h: 'klukkustund',
            hh: translate$5,
            d: translate$5,
            dd: translate$5,
            M: translate$5,
            MM: translate$5,
            y: translate$5,
            yy: translate$5,
        },
        dayOfMonthOrdinalParse: /\d{1,2}\./,
        ordinal: '%d.',
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('it-ch', {
        months: 'gennaio_febbraio_marzo_aprile_maggio_giugno_luglio_agosto_settembre_ottobre_novembre_dicembre'.split(
            '_'
        ),
        monthsShort: 'gen_feb_mar_apr_mag_giu_lug_ago_set_ott_nov_dic'.split('_'),
        weekdays: 'domenica_lunedì_martedì_mercoledì_giovedì_venerdì_sabato'.split(
            '_'
        ),
        weekdaysShort: 'dom_lun_mar_mer_gio_ven_sab'.split('_'),
        weekdaysMin: 'do_lu_ma_me_gi_ve_sa'.split('_'),
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD.MM.YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY HH:mm',
            LLLL: 'dddd D MMMM YYYY HH:mm',
        },
        calendar: {
            sameDay: '[Oggi alle] LT',
            nextDay: '[Domani alle] LT',
            nextWeek: 'dddd [alle] LT',
            lastDay: '[Ieri alle] LT',
            lastWeek: function () {
                switch (this.day()) {
                    case 0:
                        return '[la scorsa] dddd [alle] LT';
                    default:
                        return '[lo scorso] dddd [alle] LT';
                }
            },
            sameElse: 'L',
        },
        relativeTime: {
            future: function (s) {
                return (/^[0-9].+$/.test(s) ? 'tra' : 'in') + ' ' + s;
            },
            past: '%s fa',
            s: 'alcuni secondi',
            ss: '%d secondi',
            m: 'un minuto',
            mm: '%d minuti',
            h: "un'ora",
            hh: '%d ore',
            d: 'un giorno',
            dd: '%d giorni',
            M: 'un mese',
            MM: '%d mesi',
            y: 'un anno',
            yy: '%d anni',
        },
        dayOfMonthOrdinalParse: /\d{1,2}º/,
        ordinal: '%dº',
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('it', {
        months: 'gennaio_febbraio_marzo_aprile_maggio_giugno_luglio_agosto_settembre_ottobre_novembre_dicembre'.split(
            '_'
        ),
        monthsShort: 'gen_feb_mar_apr_mag_giu_lug_ago_set_ott_nov_dic'.split('_'),
        weekdays: 'domenica_lunedì_martedì_mercoledì_giovedì_venerdì_sabato'.split(
            '_'
        ),
        weekdaysShort: 'dom_lun_mar_mer_gio_ven_sab'.split('_'),
        weekdaysMin: 'do_lu_ma_me_gi_ve_sa'.split('_'),
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY HH:mm',
            LLLL: 'dddd D MMMM YYYY HH:mm',
        },
        calendar: {
            sameDay: function () {
                return (
                    '[Oggi a' +
                    (this.hours() > 1 ? 'lle ' : this.hours() === 0 ? ' ' : "ll'") +
                    ']LT'
                );
            },
            nextDay: function () {
                return (
                    '[Domani a' +
                    (this.hours() > 1 ? 'lle ' : this.hours() === 0 ? ' ' : "ll'") +
                    ']LT'
                );
            },
            nextWeek: function () {
                return (
                    'dddd [a' +
                    (this.hours() > 1 ? 'lle ' : this.hours() === 0 ? ' ' : "ll'") +
                    ']LT'
                );
            },
            lastDay: function () {
                return (
                    '[Ieri a' +
                    (this.hours() > 1 ? 'lle ' : this.hours() === 0 ? ' ' : "ll'") +
                    ']LT'
                );
            },
            lastWeek: function () {
                switch (this.day()) {
                    case 0:
                        return (
                            '[La scorsa] dddd [a' +
                            (this.hours() > 1
                                ? 'lle '
                                : this.hours() === 0
                                ? ' '
                                : "ll'") +
                            ']LT'
                        );
                    default:
                        return (
                            '[Lo scorso] dddd [a' +
                            (this.hours() > 1
                                ? 'lle '
                                : this.hours() === 0
                                ? ' '
                                : "ll'") +
                            ']LT'
                        );
                }
            },
            sameElse: 'L',
        },
        relativeTime: {
            future: 'tra %s',
            past: '%s fa',
            s: 'alcuni secondi',
            ss: '%d secondi',
            m: 'un minuto',
            mm: '%d minuti',
            h: "un'ora",
            hh: '%d ore',
            d: 'un giorno',
            dd: '%d giorni',
            w: 'una settimana',
            ww: '%d settimane',
            M: 'un mese',
            MM: '%d mesi',
            y: 'un anno',
            yy: '%d anni',
        },
        dayOfMonthOrdinalParse: /\d{1,2}º/,
        ordinal: '%dº',
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('ja', {
        eras: [
            {
                since: '2019-05-01',
                offset: 1,
                name: '令和',
                narrow: '㋿',
                abbr: 'R',
            },
            {
                since: '1989-01-08',
                until: '2019-04-30',
                offset: 1,
                name: '平成',
                narrow: '㍻',
                abbr: 'H',
            },
            {
                since: '1926-12-25',
                until: '1989-01-07',
                offset: 1,
                name: '昭和',
                narrow: '㍼',
                abbr: 'S',
            },
            {
                since: '1912-07-30',
                until: '1926-12-24',
                offset: 1,
                name: '大正',
                narrow: '㍽',
                abbr: 'T',
            },
            {
                since: '1873-01-01',
                until: '1912-07-29',
                offset: 6,
                name: '明治',
                narrow: '㍾',
                abbr: 'M',
            },
            {
                since: '0001-01-01',
                until: '1873-12-31',
                offset: 1,
                name: '西暦',
                narrow: 'AD',
                abbr: 'AD',
            },
            {
                since: '0000-12-31',
                until: -Infinity,
                offset: 1,
                name: '紀元前',
                narrow: 'BC',
                abbr: 'BC',
            },
        ],
        eraYearOrdinalRegex: /(元|\d+)年/,
        eraYearOrdinalParse: function (input, match) {
            return match[1] === '元' ? 1 : parseInt(match[1] || input, 10);
        },
        months: '1月_2月_3月_4月_5月_6月_7月_8月_9月_10月_11月_12月'.split('_'),
        monthsShort: '1月_2月_3月_4月_5月_6月_7月_8月_9月_10月_11月_12月'.split(
            '_'
        ),
        weekdays: '日曜日_月曜日_火曜日_水曜日_木曜日_金曜日_土曜日'.split('_'),
        weekdaysShort: '日_月_火_水_木_金_土'.split('_'),
        weekdaysMin: '日_月_火_水_木_金_土'.split('_'),
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'YYYY/MM/DD',
            LL: 'YYYY年M月D日',
            LLL: 'YYYY年M月D日 HH:mm',
            LLLL: 'YYYY年M月D日 dddd HH:mm',
            l: 'YYYY/MM/DD',
            ll: 'YYYY年M月D日',
            lll: 'YYYY年M月D日 HH:mm',
            llll: 'YYYY年M月D日(ddd) HH:mm',
        },
        meridiemParse: /午前|午後/i,
        isPM: function (input) {
            return input === '午後';
        },
        meridiem: function (hour, minute, isLower) {
            if (hour < 12) {
                return '午前';
            } else {
                return '午後';
            }
        },
        calendar: {
            sameDay: '[今日] LT',
            nextDay: '[明日] LT',
            nextWeek: function (now) {
                if (now.week() !== this.week()) {
                    return '[来週]dddd LT';
                } else {
                    return 'dddd LT';
                }
            },
            lastDay: '[昨日] LT',
            lastWeek: function (now) {
                if (this.week() !== now.week()) {
                    return '[先週]dddd LT';
                } else {
                    return 'dddd LT';
                }
            },
            sameElse: 'L',
        },
        dayOfMonthOrdinalParse: /\d{1,2}日/,
        ordinal: function (number, period) {
            switch (period) {
                case 'y':
                    return number === 1 ? '元年' : number + '年';
                case 'd':
                case 'D':
                case 'DDD':
                    return number + '日';
                default:
                    return number;
            }
        },
        relativeTime: {
            future: '%s後',
            past: '%s前',
            s: '数秒',
            ss: '%d秒',
            m: '1分',
            mm: '%d分',
            h: '1時間',
            hh: '%d時間',
            d: '1日',
            dd: '%d日',
            M: '1ヶ月',
            MM: '%dヶ月',
            y: '1年',
            yy: '%d年',
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('jv', {
        months: 'Januari_Februari_Maret_April_Mei_Juni_Juli_Agustus_September_Oktober_Nopember_Desember'.split(
            '_'
        ),
        monthsShort: 'Jan_Feb_Mar_Apr_Mei_Jun_Jul_Ags_Sep_Okt_Nop_Des'.split('_'),
        weekdays: 'Minggu_Senen_Seloso_Rebu_Kemis_Jemuwah_Septu'.split('_'),
        weekdaysShort: 'Min_Sen_Sel_Reb_Kem_Jem_Sep'.split('_'),
        weekdaysMin: 'Mg_Sn_Sl_Rb_Km_Jm_Sp'.split('_'),
        longDateFormat: {
            LT: 'HH.mm',
            LTS: 'HH.mm.ss',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY [pukul] HH.mm',
            LLLL: 'dddd, D MMMM YYYY [pukul] HH.mm',
        },
        meridiemParse: /enjing|siyang|sonten|ndalu/,
        meridiemHour: function (hour, meridiem) {
            if (hour === 12) {
                hour = 0;
            }
            if (meridiem === 'enjing') {
                return hour;
            } else if (meridiem === 'siyang') {
                return hour >= 11 ? hour : hour + 12;
            } else if (meridiem === 'sonten' || meridiem === 'ndalu') {
                return hour + 12;
            }
        },
        meridiem: function (hours, minutes, isLower) {
            if (hours < 11) {
                return 'enjing';
            } else if (hours < 15) {
                return 'siyang';
            } else if (hours < 19) {
                return 'sonten';
            } else {
                return 'ndalu';
            }
        },
        calendar: {
            sameDay: '[Dinten puniko pukul] LT',
            nextDay: '[Mbenjang pukul] LT',
            nextWeek: 'dddd [pukul] LT',
            lastDay: '[Kala wingi pukul] LT',
            lastWeek: 'dddd [kepengker pukul] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'wonten ing %s',
            past: '%s ingkang kepengker',
            s: 'sawetawis detik',
            ss: '%d detik',
            m: 'setunggal menit',
            mm: '%d menit',
            h: 'setunggal jam',
            hh: '%d jam',
            d: 'sedinten',
            dd: '%d dinten',
            M: 'sewulan',
            MM: '%d wulan',
            y: 'setaun',
            yy: '%d taun',
        },
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 7, // The week that contains Jan 7th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('ka', {
        months: 'იანვარი_თებერვალი_მარტი_აპრილი_მაისი_ივნისი_ივლისი_აგვისტო_სექტემბერი_ოქტომბერი_ნოემბერი_დეკემბერი'.split(
            '_'
        ),
        monthsShort: 'იან_თებ_მარ_აპრ_მაი_ივნ_ივლ_აგვ_სექ_ოქტ_ნოე_დეკ'.split('_'),
        weekdays: {
            standalone:
                'კვირა_ორშაბათი_სამშაბათი_ოთხშაბათი_ხუთშაბათი_პარასკევი_შაბათი'.split(
                    '_'
                ),
            format: 'კვირას_ორშაბათს_სამშაბათს_ოთხშაბათს_ხუთშაბათს_პარასკევს_შაბათს'.split(
                '_'
            ),
            isFormat: /(წინა|შემდეგ)/,
        },
        weekdaysShort: 'კვი_ორშ_სამ_ოთხ_ხუთ_პარ_შაბ'.split('_'),
        weekdaysMin: 'კვ_ორ_სა_ოთ_ხუ_პა_შა'.split('_'),
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY HH:mm',
            LLLL: 'dddd, D MMMM YYYY HH:mm',
        },
        calendar: {
            sameDay: '[დღეს] LT[-ზე]',
            nextDay: '[ხვალ] LT[-ზე]',
            lastDay: '[გუშინ] LT[-ზე]',
            nextWeek: '[შემდეგ] dddd LT[-ზე]',
            lastWeek: '[წინა] dddd LT-ზე',
            sameElse: 'L',
        },
        relativeTime: {
            future: function (s) {
                return s.replace(
                    /(წამ|წუთ|საათ|წელ|დღ|თვ)(ი|ე)/,
                    function ($0, $1, $2) {
                        return $2 === 'ი' ? $1 + 'ში' : $1 + $2 + 'ში';
                    }
                );
            },
            past: function (s) {
                if (/(წამი|წუთი|საათი|დღე|თვე)/.test(s)) {
                    return s.replace(/(ი|ე)$/, 'ის წინ');
                }
                if (/წელი/.test(s)) {
                    return s.replace(/წელი$/, 'წლის წინ');
                }
                return s;
            },
            s: 'რამდენიმე წამი',
            ss: '%d წამი',
            m: 'წუთი',
            mm: '%d წუთი',
            h: 'საათი',
            hh: '%d საათი',
            d: 'დღე',
            dd: '%d დღე',
            M: 'თვე',
            MM: '%d თვე',
            y: 'წელი',
            yy: '%d წელი',
        },
        dayOfMonthOrdinalParse: /0|1-ლი|მე-\d{1,2}|\d{1,2}-ე/,
        ordinal: function (number) {
            if (number === 0) {
                return number;
            }
            if (number === 1) {
                return number + '-ლი';
            }
            if (
                number < 20 ||
                (number <= 100 && number % 20 === 0) ||
                number % 100 === 0
            ) {
                return 'მე-' + number;
            }
            return number + '-ე';
        },
        week: {
            dow: 1,
            doy: 7,
        },
    });

    //! moment.js locale configuration

    var suffixes$1 = {
        0: '-ші',
        1: '-ші',
        2: '-ші',
        3: '-ші',
        4: '-ші',
        5: '-ші',
        6: '-шы',
        7: '-ші',
        8: '-ші',
        9: '-шы',
        10: '-шы',
        20: '-шы',
        30: '-шы',
        40: '-шы',
        50: '-ші',
        60: '-шы',
        70: '-ші',
        80: '-ші',
        90: '-шы',
        100: '-ші',
    };

    hooks.defineLocale('kk', {
        months: 'қаңтар_ақпан_наурыз_сәуір_мамыр_маусым_шілде_тамыз_қыркүйек_қазан_қараша_желтоқсан'.split(
            '_'
        ),
        monthsShort: 'қаң_ақп_нау_сәу_мам_мау_шіл_там_қыр_қаз_қар_жел'.split('_'),
        weekdays: 'жексенбі_дүйсенбі_сейсенбі_сәрсенбі_бейсенбі_жұма_сенбі'.split(
            '_'
        ),
        weekdaysShort: 'жек_дүй_сей_сәр_бей_жұм_сен'.split('_'),
        weekdaysMin: 'жк_дй_сй_ср_бй_жм_сн'.split('_'),
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD.MM.YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY HH:mm',
            LLLL: 'dddd, D MMMM YYYY HH:mm',
        },
        calendar: {
            sameDay: '[Бүгін сағат] LT',
            nextDay: '[Ертең сағат] LT',
            nextWeek: 'dddd [сағат] LT',
            lastDay: '[Кеше сағат] LT',
            lastWeek: '[Өткен аптаның] dddd [сағат] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: '%s ішінде',
            past: '%s бұрын',
            s: 'бірнеше секунд',
            ss: '%d секунд',
            m: 'бір минут',
            mm: '%d минут',
            h: 'бір сағат',
            hh: '%d сағат',
            d: 'бір күн',
            dd: '%d күн',
            M: 'бір ай',
            MM: '%d ай',
            y: 'бір жыл',
            yy: '%d жыл',
        },
        dayOfMonthOrdinalParse: /\d{1,2}-(ші|шы)/,
        ordinal: function (number) {
            var a = number % 10,
                b = number >= 100 ? 100 : null;
            return number + (suffixes$1[number] || suffixes$1[a] || suffixes$1[b]);
        },
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 7, // The week that contains Jan 7th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    var symbolMap$9 = {
            1: '១',
            2: '២',
            3: '៣',
            4: '៤',
            5: '៥',
            6: '៦',
            7: '៧',
            8: '៨',
            9: '៩',
            0: '០',
        },
        numberMap$8 = {
            '១': '1',
            '២': '2',
            '៣': '3',
            '៤': '4',
            '៥': '5',
            '៦': '6',
            '៧': '7',
            '៨': '8',
            '៩': '9',
            '០': '0',
        };

    hooks.defineLocale('km', {
        months: 'មករា_កុម្ភៈ_មីនា_មេសា_ឧសភា_មិថុនា_កក្កដា_សីហា_កញ្ញា_តុលា_វិច្ឆិកា_ធ្នូ'.split(
            '_'
        ),
        monthsShort:
            'មករា_កុម្ភៈ_មីនា_មេសា_ឧសភា_មិថុនា_កក្កដា_សីហា_កញ្ញា_តុលា_វិច្ឆិកា_ធ្នូ'.split(
                '_'
            ),
        weekdays: 'អាទិត្យ_ច័ន្ទ_អង្គារ_ពុធ_ព្រហស្បតិ៍_សុក្រ_សៅរ៍'.split('_'),
        weekdaysShort: 'អា_ច_អ_ព_ព្រ_សុ_ស'.split('_'),
        weekdaysMin: 'អា_ច_អ_ព_ព្រ_សុ_ស'.split('_'),
        weekdaysParseExact: true,
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY HH:mm',
            LLLL: 'dddd, D MMMM YYYY HH:mm',
        },
        meridiemParse: /ព្រឹក|ល្ងាច/,
        isPM: function (input) {
            return input === 'ល្ងាច';
        },
        meridiem: function (hour, minute, isLower) {
            if (hour < 12) {
                return 'ព្រឹក';
            } else {
                return 'ល្ងាច';
            }
        },
        calendar: {
            sameDay: '[ថ្ងៃនេះ ម៉ោង] LT',
            nextDay: '[ស្អែក ម៉ោង] LT',
            nextWeek: 'dddd [ម៉ោង] LT',
            lastDay: '[ម្សិលមិញ ម៉ោង] LT',
            lastWeek: 'dddd [សប្តាហ៍មុន] [ម៉ោង] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: '%sទៀត',
            past: '%sមុន',
            s: 'ប៉ុន្មានវិនាទី',
            ss: '%d វិនាទី',
            m: 'មួយនាទី',
            mm: '%d នាទី',
            h: 'មួយម៉ោង',
            hh: '%d ម៉ោង',
            d: 'មួយថ្ងៃ',
            dd: '%d ថ្ងៃ',
            M: 'មួយខែ',
            MM: '%d ខែ',
            y: 'មួយឆ្នាំ',
            yy: '%d ឆ្នាំ',
        },
        dayOfMonthOrdinalParse: /ទី\d{1,2}/,
        ordinal: 'ទី%d',
        preparse: function (string) {
            return string.replace(/[១២៣៤៥៦៧៨៩០]/g, function (match) {
                return numberMap$8[match];
            });
        },
        postformat: function (string) {
            return string.replace(/\d/g, function (match) {
                return symbolMap$9[match];
            });
        },
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    var symbolMap$a = {
            1: '೧',
            2: '೨',
            3: '೩',
            4: '೪',
            5: '೫',
            6: '೬',
            7: '೭',
            8: '೮',
            9: '೯',
            0: '೦',
        },
        numberMap$9 = {
            '೧': '1',
            '೨': '2',
            '೩': '3',
            '೪': '4',
            '೫': '5',
            '೬': '6',
            '೭': '7',
            '೮': '8',
            '೯': '9',
            '೦': '0',
        };

    hooks.defineLocale('kn', {
        months: 'ಜನವರಿ_ಫೆಬ್ರವರಿ_ಮಾರ್ಚ್_ಏಪ್ರಿಲ್_ಮೇ_ಜೂನ್_ಜುಲೈ_ಆಗಸ್ಟ್_ಸೆಪ್ಟೆಂಬರ್_ಅಕ್ಟೋಬರ್_ನವೆಂಬರ್_ಡಿಸೆಂಬರ್'.split(
            '_'
        ),
        monthsShort:
            'ಜನ_ಫೆಬ್ರ_ಮಾರ್ಚ್_ಏಪ್ರಿಲ್_ಮೇ_ಜೂನ್_ಜುಲೈ_ಆಗಸ್ಟ್_ಸೆಪ್ಟೆಂ_ಅಕ್ಟೋ_ನವೆಂ_ಡಿಸೆಂ'.split(
                '_'
            ),
        monthsParseExact: true,
        weekdays: 'ಭಾನುವಾರ_ಸೋಮವಾರ_ಮಂಗಳವಾರ_ಬುಧವಾರ_ಗುರುವಾರ_ಶುಕ್ರವಾರ_ಶನಿವಾರ'.split(
            '_'
        ),
        weekdaysShort: 'ಭಾನು_ಸೋಮ_ಮಂಗಳ_ಬುಧ_ಗುರು_ಶುಕ್ರ_ಶನಿ'.split('_'),
        weekdaysMin: 'ಭಾ_ಸೋ_ಮಂ_ಬು_ಗು_ಶು_ಶ'.split('_'),
        longDateFormat: {
            LT: 'A h:mm',
            LTS: 'A h:mm:ss',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY, A h:mm',
            LLLL: 'dddd, D MMMM YYYY, A h:mm',
        },
        calendar: {
            sameDay: '[ಇಂದು] LT',
            nextDay: '[ನಾಳೆ] LT',
            nextWeek: 'dddd, LT',
            lastDay: '[ನಿನ್ನೆ] LT',
            lastWeek: '[ಕೊನೆಯ] dddd, LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: '%s ನಂತರ',
            past: '%s ಹಿಂದೆ',
            s: 'ಕೆಲವು ಕ್ಷಣಗಳು',
            ss: '%d ಸೆಕೆಂಡುಗಳು',
            m: 'ಒಂದು ನಿಮಿಷ',
            mm: '%d ನಿಮಿಷ',
            h: 'ಒಂದು ಗಂಟೆ',
            hh: '%d ಗಂಟೆ',
            d: 'ಒಂದು ದಿನ',
            dd: '%d ದಿನ',
            M: 'ಒಂದು ತಿಂಗಳು',
            MM: '%d ತಿಂಗಳು',
            y: 'ಒಂದು ವರ್ಷ',
            yy: '%d ವರ್ಷ',
        },
        preparse: function (string) {
            return string.replace(/[೧೨೩೪೫೬೭೮೯೦]/g, function (match) {
                return numberMap$9[match];
            });
        },
        postformat: function (string) {
            return string.replace(/\d/g, function (match) {
                return symbolMap$a[match];
            });
        },
        meridiemParse: /ರಾತ್ರಿ|ಬೆಳಿಗ್ಗೆ|ಮಧ್ಯಾಹ್ನ|ಸಂಜೆ/,
        meridiemHour: function (hour, meridiem) {
            if (hour === 12) {
                hour = 0;
            }
            if (meridiem === 'ರಾತ್ರಿ') {
                return hour < 4 ? hour : hour + 12;
            } else if (meridiem === 'ಬೆಳಿಗ್ಗೆ') {
                return hour;
            } else if (meridiem === 'ಮಧ್ಯಾಹ್ನ') {
                return hour >= 10 ? hour : hour + 12;
            } else if (meridiem === 'ಸಂಜೆ') {
                return hour + 12;
            }
        },
        meridiem: function (hour, minute, isLower) {
            if (hour < 4) {
                return 'ರಾತ್ರಿ';
            } else if (hour < 10) {
                return 'ಬೆಳಿಗ್ಗೆ';
            } else if (hour < 17) {
                return 'ಮಧ್ಯಾಹ್ನ';
            } else if (hour < 20) {
                return 'ಸಂಜೆ';
            } else {
                return 'ರಾತ್ರಿ';
            }
        },
        dayOfMonthOrdinalParse: /\d{1,2}(ನೇ)/,
        ordinal: function (number) {
            return number + 'ನೇ';
        },
        week: {
            dow: 0, // Sunday is the first day of the week.
            doy: 6, // The week that contains Jan 6th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('ko', {
        months: '1월_2월_3월_4월_5월_6월_7월_8월_9월_10월_11월_12월'.split('_'),
        monthsShort: '1월_2월_3월_4월_5월_6월_7월_8월_9월_10월_11월_12월'.split(
            '_'
        ),
        weekdays: '일요일_월요일_화요일_수요일_목요일_금요일_토요일'.split('_'),
        weekdaysShort: '일_월_화_수_목_금_토'.split('_'),
        weekdaysMin: '일_월_화_수_목_금_토'.split('_'),
        longDateFormat: {
            LT: 'A h:mm',
            LTS: 'A h:mm:ss',
            L: 'YYYY.MM.DD.',
            LL: 'YYYY년 MMMM D일',
            LLL: 'YYYY년 MMMM D일 A h:mm',
            LLLL: 'YYYY년 MMMM D일 dddd A h:mm',
            l: 'YYYY.MM.DD.',
            ll: 'YYYY년 MMMM D일',
            lll: 'YYYY년 MMMM D일 A h:mm',
            llll: 'YYYY년 MMMM D일 dddd A h:mm',
        },
        calendar: {
            sameDay: '오늘 LT',
            nextDay: '내일 LT',
            nextWeek: 'dddd LT',
            lastDay: '어제 LT',
            lastWeek: '지난주 dddd LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: '%s 후',
            past: '%s 전',
            s: '몇 초',
            ss: '%d초',
            m: '1분',
            mm: '%d분',
            h: '한 시간',
            hh: '%d시간',
            d: '하루',
            dd: '%d일',
            M: '한 달',
            MM: '%d달',
            y: '일 년',
            yy: '%d년',
        },
        dayOfMonthOrdinalParse: /\d{1,2}(일|월|주)/,
        ordinal: function (number, period) {
            switch (period) {
                case 'd':
                case 'D':
                case 'DDD':
                    return number + '일';
                case 'M':
                    return number + '월';
                case 'w':
                case 'W':
                    return number + '주';
                default:
                    return number;
            }
        },
        meridiemParse: /오전|오후/,
        isPM: function (token) {
            return token === '오후';
        },
        meridiem: function (hour, minute, isUpper) {
            return hour < 12 ? '오전' : '오후';
        },
    });

    //! moment.js locale configuration

    var symbolMap$b = {
            1: '١',
            2: '٢',
            3: '٣',
            4: '٤',
            5: '٥',
            6: '٦',
            7: '٧',
            8: '٨',
            9: '٩',
            0: '٠',
        },
        numberMap$a = {
            '١': '1',
            '٢': '2',
            '٣': '3',
            '٤': '4',
            '٥': '5',
            '٦': '6',
            '٧': '7',
            '٨': '8',
            '٩': '9',
            '٠': '0',
        },
        months$8 = [
            'کانونی دووەم',
            'شوبات',
            'ئازار',
            'نیسان',
            'ئایار',
            'حوزەیران',
            'تەمموز',
            'ئاب',
            'ئەیلوول',
            'تشرینی یەكەم',
            'تشرینی دووەم',
            'كانونی یەکەم',
        ];

    hooks.defineLocale('ku', {
        months: months$8,
        monthsShort: months$8,
        weekdays:
            'یه‌كشه‌ممه‌_دووشه‌ممه‌_سێشه‌ممه‌_چوارشه‌ممه‌_پێنجشه‌ممه‌_هه‌ینی_شه‌ممه‌'.split(
                '_'
            ),
        weekdaysShort:
            'یه‌كشه‌م_دووشه‌م_سێشه‌م_چوارشه‌م_پێنجشه‌م_هه‌ینی_شه‌ممه‌'.split('_'),
        weekdaysMin: 'ی_د_س_چ_پ_ه_ش'.split('_'),
        weekdaysParseExact: true,
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY HH:mm',
            LLLL: 'dddd, D MMMM YYYY HH:mm',
        },
        meridiemParse: /ئێواره‌|به‌یانی/,
        isPM: function (input) {
            return /ئێواره‌/.test(input);
        },
        meridiem: function (hour, minute, isLower) {
            if (hour < 12) {
                return 'به‌یانی';
            } else {
                return 'ئێواره‌';
            }
        },
        calendar: {
            sameDay: '[ئه‌مرۆ كاتژمێر] LT',
            nextDay: '[به‌یانی كاتژمێر] LT',
            nextWeek: 'dddd [كاتژمێر] LT',
            lastDay: '[دوێنێ كاتژمێر] LT',
            lastWeek: 'dddd [كاتژمێر] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'له‌ %s',
            past: '%s',
            s: 'چه‌ند چركه‌یه‌ك',
            ss: 'چركه‌ %d',
            m: 'یه‌ك خوله‌ك',
            mm: '%d خوله‌ك',
            h: 'یه‌ك كاتژمێر',
            hh: '%d كاتژمێر',
            d: 'یه‌ك ڕۆژ',
            dd: '%d ڕۆژ',
            M: 'یه‌ك مانگ',
            MM: '%d مانگ',
            y: 'یه‌ك ساڵ',
            yy: '%d ساڵ',
        },
        preparse: function (string) {
            return string
                .replace(/[١٢٣٤٥٦٧٨٩٠]/g, function (match) {
                    return numberMap$a[match];
                })
                .replace(/،/g, ',');
        },
        postformat: function (string) {
            return string
                .replace(/\d/g, function (match) {
                    return symbolMap$b[match];
                })
                .replace(/,/g, '،');
        },
        week: {
            dow: 6, // Saturday is the first day of the week.
            doy: 12, // The week that contains Jan 12th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    var suffixes$2 = {
        0: '-чү',
        1: '-чи',
        2: '-чи',
        3: '-чү',
        4: '-чү',
        5: '-чи',
        6: '-чы',
        7: '-чи',
        8: '-чи',
        9: '-чу',
        10: '-чу',
        20: '-чы',
        30: '-чу',
        40: '-чы',
        50: '-чү',
        60: '-чы',
        70: '-чи',
        80: '-чи',
        90: '-чу',
        100: '-чү',
    };

    hooks.defineLocale('ky', {
        months: 'январь_февраль_март_апрель_май_июнь_июль_август_сентябрь_октябрь_ноябрь_декабрь'.split(
            '_'
        ),
        monthsShort: 'янв_фев_март_апр_май_июнь_июль_авг_сен_окт_ноя_дек'.split(
            '_'
        ),
        weekdays: 'Жекшемби_Дүйшөмбү_Шейшемби_Шаршемби_Бейшемби_Жума_Ишемби'.split(
            '_'
        ),
        weekdaysShort: 'Жек_Дүй_Шей_Шар_Бей_Жум_Ише'.split('_'),
        weekdaysMin: 'Жк_Дй_Шй_Шр_Бй_Жм_Иш'.split('_'),
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD.MM.YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY HH:mm',
            LLLL: 'dddd, D MMMM YYYY HH:mm',
        },
        calendar: {
            sameDay: '[Бүгүн саат] LT',
            nextDay: '[Эртең саат] LT',
            nextWeek: 'dddd [саат] LT',
            lastDay: '[Кечээ саат] LT',
            lastWeek: '[Өткөн аптанын] dddd [күнү] [саат] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: '%s ичинде',
            past: '%s мурун',
            s: 'бирнече секунд',
            ss: '%d секунд',
            m: 'бир мүнөт',
            mm: '%d мүнөт',
            h: 'бир саат',
            hh: '%d саат',
            d: 'бир күн',
            dd: '%d күн',
            M: 'бир ай',
            MM: '%d ай',
            y: 'бир жыл',
            yy: '%d жыл',
        },
        dayOfMonthOrdinalParse: /\d{1,2}-(чи|чы|чү|чу)/,
        ordinal: function (number) {
            var a = number % 10,
                b = number >= 100 ? 100 : null;
            return number + (suffixes$2[number] || suffixes$2[a] || suffixes$2[b]);
        },
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 7, // The week that contains Jan 7th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    function processRelativeTime$6(number, withoutSuffix, key, isFuture) {
        var format = {
            m: ['eng Minutt', 'enger Minutt'],
            h: ['eng Stonn', 'enger Stonn'],
            d: ['een Dag', 'engem Dag'],
            M: ['ee Mount', 'engem Mount'],
            y: ['ee Joer', 'engem Joer'],
        };
        return withoutSuffix ? format[key][0] : format[key][1];
    }
    function processFutureTime(string) {
        var number = string.substr(0, string.indexOf(' '));
        if (eifelerRegelAppliesToNumber(number)) {
            return 'a ' + string;
        }
        return 'an ' + string;
    }
    function processPastTime(string) {
        var number = string.substr(0, string.indexOf(' '));
        if (eifelerRegelAppliesToNumber(number)) {
            return 'viru ' + string;
        }
        return 'virun ' + string;
    }
    /**
     * Returns true if the word before the given number loses the '-n' ending.
     * e.g. 'an 10 Deeg' but 'a 5 Deeg'
     *
     * @param number {integer}
     * @returns {boolean}
     */
    function eifelerRegelAppliesToNumber(number) {
        number = parseInt(number, 10);
        if (isNaN(number)) {
            return false;
        }
        if (number < 0) {
            // Negative Number --> always true
            return true;
        } else if (number < 10) {
            // Only 1 digit
            if (4 <= number && number <= 7) {
                return true;
            }
            return false;
        } else if (number < 100) {
            // 2 digits
            var lastDigit = number % 10,
                firstDigit = number / 10;
            if (lastDigit === 0) {
                return eifelerRegelAppliesToNumber(firstDigit);
            }
            return eifelerRegelAppliesToNumber(lastDigit);
        } else if (number < 10000) {
            // 3 or 4 digits --> recursively check first digit
            while (number >= 10) {
                number = number / 10;
            }
            return eifelerRegelAppliesToNumber(number);
        } else {
            // Anything larger than 4 digits: recursively check first n-3 digits
            number = number / 1000;
            return eifelerRegelAppliesToNumber(number);
        }
    }

    hooks.defineLocale('lb', {
        months: 'Januar_Februar_Mäerz_Abrëll_Mee_Juni_Juli_August_September_Oktober_November_Dezember'.split(
            '_'
        ),
        monthsShort:
            'Jan._Febr._Mrz._Abr._Mee_Jun._Jul._Aug._Sept._Okt._Nov._Dez.'.split(
                '_'
            ),
        monthsParseExact: true,
        weekdays:
            'Sonndeg_Méindeg_Dënschdeg_Mëttwoch_Donneschdeg_Freideg_Samschdeg'.split(
                '_'
            ),
        weekdaysShort: 'So._Mé._Dë._Më._Do._Fr._Sa.'.split('_'),
        weekdaysMin: 'So_Mé_Dë_Më_Do_Fr_Sa'.split('_'),
        weekdaysParseExact: true,
        longDateFormat: {
            LT: 'H:mm [Auer]',
            LTS: 'H:mm:ss [Auer]',
            L: 'DD.MM.YYYY',
            LL: 'D. MMMM YYYY',
            LLL: 'D. MMMM YYYY H:mm [Auer]',
            LLLL: 'dddd, D. MMMM YYYY H:mm [Auer]',
        },
        calendar: {
            sameDay: '[Haut um] LT',
            sameElse: 'L',
            nextDay: '[Muer um] LT',
            nextWeek: 'dddd [um] LT',
            lastDay: '[Gëschter um] LT',
            lastWeek: function () {
                // Different date string for 'Dënschdeg' (Tuesday) and 'Donneschdeg' (Thursday) due to phonological rule
                switch (this.day()) {
                    case 2:
                    case 4:
                        return '[Leschten] dddd [um] LT';
                    default:
                        return '[Leschte] dddd [um] LT';
                }
            },
        },
        relativeTime: {
            future: processFutureTime,
            past: processPastTime,
            s: 'e puer Sekonnen',
            ss: '%d Sekonnen',
            m: processRelativeTime$6,
            mm: '%d Minutten',
            h: processRelativeTime$6,
            hh: '%d Stonnen',
            d: processRelativeTime$6,
            dd: '%d Deeg',
            M: processRelativeTime$6,
            MM: '%d Méint',
            y: processRelativeTime$6,
            yy: '%d Joer',
        },
        dayOfMonthOrdinalParse: /\d{1,2}\./,
        ordinal: '%d.',
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('lo', {
        months: 'ມັງກອນ_ກຸມພາ_ມີນາ_ເມສາ_ພຶດສະພາ_ມິຖຸນາ_ກໍລະກົດ_ສິງຫາ_ກັນຍາ_ຕຸລາ_ພະຈິກ_ທັນວາ'.split(
            '_'
        ),
        monthsShort:
            'ມັງກອນ_ກຸມພາ_ມີນາ_ເມສາ_ພຶດສະພາ_ມິຖຸນາ_ກໍລະກົດ_ສິງຫາ_ກັນຍາ_ຕຸລາ_ພະຈິກ_ທັນວາ'.split(
                '_'
            ),
        weekdays: 'ອາທິດ_ຈັນ_ອັງຄານ_ພຸດ_ພະຫັດ_ສຸກ_ເສົາ'.split('_'),
        weekdaysShort: 'ທິດ_ຈັນ_ອັງຄານ_ພຸດ_ພະຫັດ_ສຸກ_ເສົາ'.split('_'),
        weekdaysMin: 'ທ_ຈ_ອຄ_ພ_ພຫ_ສກ_ສ'.split('_'),
        weekdaysParseExact: true,
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY HH:mm',
            LLLL: 'ວັນdddd D MMMM YYYY HH:mm',
        },
        meridiemParse: /ຕອນເຊົ້າ|ຕອນແລງ/,
        isPM: function (input) {
            return input === 'ຕອນແລງ';
        },
        meridiem: function (hour, minute, isLower) {
            if (hour < 12) {
                return 'ຕອນເຊົ້າ';
            } else {
                return 'ຕອນແລງ';
            }
        },
        calendar: {
            sameDay: '[ມື້ນີ້ເວລາ] LT',
            nextDay: '[ມື້ອື່ນເວລາ] LT',
            nextWeek: '[ວັນ]dddd[ໜ້າເວລາ] LT',
            lastDay: '[ມື້ວານນີ້ເວລາ] LT',
            lastWeek: '[ວັນ]dddd[ແລ້ວນີ້ເວລາ] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'ອີກ %s',
            past: '%sຜ່ານມາ',
            s: 'ບໍ່ເທົ່າໃດວິນາທີ',
            ss: '%d ວິນາທີ',
            m: '1 ນາທີ',
            mm: '%d ນາທີ',
            h: '1 ຊົ່ວໂມງ',
            hh: '%d ຊົ່ວໂມງ',
            d: '1 ມື້',
            dd: '%d ມື້',
            M: '1 ເດືອນ',
            MM: '%d ເດືອນ',
            y: '1 ປີ',
            yy: '%d ປີ',
        },
        dayOfMonthOrdinalParse: /(ທີ່)\d{1,2}/,
        ordinal: function (number) {
            return 'ທີ່' + number;
        },
    });

    //! moment.js locale configuration

    var units = {
        ss: 'sekundė_sekundžių_sekundes',
        m: 'minutė_minutės_minutę',
        mm: 'minutės_minučių_minutes',
        h: 'valanda_valandos_valandą',
        hh: 'valandos_valandų_valandas',
        d: 'diena_dienos_dieną',
        dd: 'dienos_dienų_dienas',
        M: 'mėnuo_mėnesio_mėnesį',
        MM: 'mėnesiai_mėnesių_mėnesius',
        y: 'metai_metų_metus',
        yy: 'metai_metų_metus',
    };
    function translateSeconds(number, withoutSuffix, key, isFuture) {
        if (withoutSuffix) {
            return 'kelios sekundės';
        } else {
            return isFuture ? 'kelių sekundžių' : 'kelias sekundes';
        }
    }
    function translateSingular(number, withoutSuffix, key, isFuture) {
        return withoutSuffix
            ? forms(key)[0]
            : isFuture
            ? forms(key)[1]
            : forms(key)[2];
    }
    function special(number) {
        return number % 10 === 0 || (number > 10 && number < 20);
    }
    function forms(key) {
        return units[key].split('_');
    }
    function translate$6(number, withoutSuffix, key, isFuture) {
        var result = number + ' ';
        if (number === 1) {
            return (
                result + translateSingular(number, withoutSuffix, key[0], isFuture)
            );
        } else if (withoutSuffix) {
            return result + (special(number) ? forms(key)[1] : forms(key)[0]);
        } else {
            if (isFuture) {
                return result + forms(key)[1];
            } else {
                return result + (special(number) ? forms(key)[1] : forms(key)[2]);
            }
        }
    }
    hooks.defineLocale('lt', {
        months: {
            format: 'sausio_vasario_kovo_balandžio_gegužės_birželio_liepos_rugpjūčio_rugsėjo_spalio_lapkričio_gruodžio'.split(
                '_'
            ),
            standalone:
                'sausis_vasaris_kovas_balandis_gegužė_birželis_liepa_rugpjūtis_rugsėjis_spalis_lapkritis_gruodis'.split(
                    '_'
                ),
            isFormat: /D[oD]?(\[[^\[\]]*\]|\s)+MMMM?|MMMM?(\[[^\[\]]*\]|\s)+D[oD]?/,
        },
        monthsShort: 'sau_vas_kov_bal_geg_bir_lie_rgp_rgs_spa_lap_grd'.split('_'),
        weekdays: {
            format: 'sekmadienį_pirmadienį_antradienį_trečiadienį_ketvirtadienį_penktadienį_šeštadienį'.split(
                '_'
            ),
            standalone:
                'sekmadienis_pirmadienis_antradienis_trečiadienis_ketvirtadienis_penktadienis_šeštadienis'.split(
                    '_'
                ),
            isFormat: /dddd HH:mm/,
        },
        weekdaysShort: 'Sek_Pir_Ant_Tre_Ket_Pen_Šeš'.split('_'),
        weekdaysMin: 'S_P_A_T_K_Pn_Š'.split('_'),
        weekdaysParseExact: true,
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'YYYY-MM-DD',
            LL: 'YYYY [m.] MMMM D [d.]',
            LLL: 'YYYY [m.] MMMM D [d.], HH:mm [val.]',
            LLLL: 'YYYY [m.] MMMM D [d.], dddd, HH:mm [val.]',
            l: 'YYYY-MM-DD',
            ll: 'YYYY [m.] MMMM D [d.]',
            lll: 'YYYY [m.] MMMM D [d.], HH:mm [val.]',
            llll: 'YYYY [m.] MMMM D [d.], ddd, HH:mm [val.]',
        },
        calendar: {
            sameDay: '[Šiandien] LT',
            nextDay: '[Rytoj] LT',
            nextWeek: 'dddd LT',
            lastDay: '[Vakar] LT',
            lastWeek: '[Praėjusį] dddd LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'po %s',
            past: 'prieš %s',
            s: translateSeconds,
            ss: translate$6,
            m: translateSingular,
            mm: translate$6,
            h: translateSingular,
            hh: translate$6,
            d: translateSingular,
            dd: translate$6,
            M: translateSingular,
            MM: translate$6,
            y: translateSingular,
            yy: translate$6,
        },
        dayOfMonthOrdinalParse: /\d{1,2}-oji/,
        ordinal: function (number) {
            return number + '-oji';
        },
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    var units$1 = {
        ss: 'sekundes_sekundēm_sekunde_sekundes'.split('_'),
        m: 'minūtes_minūtēm_minūte_minūtes'.split('_'),
        mm: 'minūtes_minūtēm_minūte_minūtes'.split('_'),
        h: 'stundas_stundām_stunda_stundas'.split('_'),
        hh: 'stundas_stundām_stunda_stundas'.split('_'),
        d: 'dienas_dienām_diena_dienas'.split('_'),
        dd: 'dienas_dienām_diena_dienas'.split('_'),
        M: 'mēneša_mēnešiem_mēnesis_mēneši'.split('_'),
        MM: 'mēneša_mēnešiem_mēnesis_mēneši'.split('_'),
        y: 'gada_gadiem_gads_gadi'.split('_'),
        yy: 'gada_gadiem_gads_gadi'.split('_'),
    };
    /**
     * @param withoutSuffix boolean true = a length of time; false = before/after a period of time.
     */
    function format$1(forms, number, withoutSuffix) {
        if (withoutSuffix) {
            // E.g. "21 minūte", "3 minūtes".
            return number % 10 === 1 && number % 100 !== 11 ? forms[2] : forms[3];
        } else {
            // E.g. "21 minūtes" as in "pēc 21 minūtes".
            // E.g. "3 minūtēm" as in "pēc 3 minūtēm".
            return number % 10 === 1 && number % 100 !== 11 ? forms[0] : forms[1];
        }
    }
    function relativeTimeWithPlural$1(number, withoutSuffix, key) {
        return number + ' ' + format$1(units$1[key], number, withoutSuffix);
    }
    function relativeTimeWithSingular(number, withoutSuffix, key) {
        return format$1(units$1[key], number, withoutSuffix);
    }
    function relativeSeconds(number, withoutSuffix) {
        return withoutSuffix ? 'dažas sekundes' : 'dažām sekundēm';
    }

    hooks.defineLocale('lv', {
        months: 'janvāris_februāris_marts_aprīlis_maijs_jūnijs_jūlijs_augusts_septembris_oktobris_novembris_decembris'.split(
            '_'
        ),
        monthsShort: 'jan_feb_mar_apr_mai_jūn_jūl_aug_sep_okt_nov_dec'.split('_'),
        weekdays:
            'svētdiena_pirmdiena_otrdiena_trešdiena_ceturtdiena_piektdiena_sestdiena'.split(
                '_'
            ),
        weekdaysShort: 'Sv_P_O_T_C_Pk_S'.split('_'),
        weekdaysMin: 'Sv_P_O_T_C_Pk_S'.split('_'),
        weekdaysParseExact: true,
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD.MM.YYYY.',
            LL: 'YYYY. [gada] D. MMMM',
            LLL: 'YYYY. [gada] D. MMMM, HH:mm',
            LLLL: 'YYYY. [gada] D. MMMM, dddd, HH:mm',
        },
        calendar: {
            sameDay: '[Šodien pulksten] LT',
            nextDay: '[Rīt pulksten] LT',
            nextWeek: 'dddd [pulksten] LT',
            lastDay: '[Vakar pulksten] LT',
            lastWeek: '[Pagājušā] dddd [pulksten] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'pēc %s',
            past: 'pirms %s',
            s: relativeSeconds,
            ss: relativeTimeWithPlural$1,
            m: relativeTimeWithSingular,
            mm: relativeTimeWithPlural$1,
            h: relativeTimeWithSingular,
            hh: relativeTimeWithPlural$1,
            d: relativeTimeWithSingular,
            dd: relativeTimeWithPlural$1,
            M: relativeTimeWithSingular,
            MM: relativeTimeWithPlural$1,
            y: relativeTimeWithSingular,
            yy: relativeTimeWithPlural$1,
        },
        dayOfMonthOrdinalParse: /\d{1,2}\./,
        ordinal: '%d.',
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    var translator = {
        words: {
            //Different grammatical cases
            ss: ['sekund', 'sekunda', 'sekundi'],
            m: ['jedan minut', 'jednog minuta'],
            mm: ['minut', 'minuta', 'minuta'],
            h: ['jedan sat', 'jednog sata'],
            hh: ['sat', 'sata', 'sati'],
            dd: ['dan', 'dana', 'dana'],
            MM: ['mjesec', 'mjeseca', 'mjeseci'],
            yy: ['godina', 'godine', 'godina'],
        },
        correctGrammaticalCase: function (number, wordKey) {
            return number === 1
                ? wordKey[0]
                : number >= 2 && number <= 4
                ? wordKey[1]
                : wordKey[2];
        },
        translate: function (number, withoutSuffix, key) {
            var wordKey = translator.words[key];
            if (key.length === 1) {
                return withoutSuffix ? wordKey[0] : wordKey[1];
            } else {
                return (
                    number +
                    ' ' +
                    translator.correctGrammaticalCase(number, wordKey)
                );
            }
        },
    };

    hooks.defineLocale('me', {
        months: 'januar_februar_mart_april_maj_jun_jul_avgust_septembar_oktobar_novembar_decembar'.split(
            '_'
        ),
        monthsShort:
            'jan._feb._mar._apr._maj_jun_jul_avg._sep._okt._nov._dec.'.split('_'),
        monthsParseExact: true,
        weekdays: 'nedjelja_ponedjeljak_utorak_srijeda_četvrtak_petak_subota'.split(
            '_'
        ),
        weekdaysShort: 'ned._pon._uto._sri._čet._pet._sub.'.split('_'),
        weekdaysMin: 'ne_po_ut_sr_če_pe_su'.split('_'),
        weekdaysParseExact: true,
        longDateFormat: {
            LT: 'H:mm',
            LTS: 'H:mm:ss',
            L: 'DD.MM.YYYY',
            LL: 'D. MMMM YYYY',
            LLL: 'D. MMMM YYYY H:mm',
            LLLL: 'dddd, D. MMMM YYYY H:mm',
        },
        calendar: {
            sameDay: '[danas u] LT',
            nextDay: '[sjutra u] LT',

            nextWeek: function () {
                switch (this.day()) {
                    case 0:
                        return '[u] [nedjelju] [u] LT';
                    case 3:
                        return '[u] [srijedu] [u] LT';
                    case 6:
                        return '[u] [subotu] [u] LT';
                    case 1:
                    case 2:
                    case 4:
                    case 5:
                        return '[u] dddd [u] LT';
                }
            },
            lastDay: '[juče u] LT',
            lastWeek: function () {
                var lastWeekDays = [
                    '[prošle] [nedjelje] [u] LT',
                    '[prošlog] [ponedjeljka] [u] LT',
                    '[prošlog] [utorka] [u] LT',
                    '[prošle] [srijede] [u] LT',
                    '[prošlog] [četvrtka] [u] LT',
                    '[prošlog] [petka] [u] LT',
                    '[prošle] [subote] [u] LT',
                ];
                return lastWeekDays[this.day()];
            },
            sameElse: 'L',
        },
        relativeTime: {
            future: 'za %s',
            past: 'prije %s',
            s: 'nekoliko sekundi',
            ss: translator.translate,
            m: translator.translate,
            mm: translator.translate,
            h: translator.translate,
            hh: translator.translate,
            d: 'dan',
            dd: translator.translate,
            M: 'mjesec',
            MM: translator.translate,
            y: 'godinu',
            yy: translator.translate,
        },
        dayOfMonthOrdinalParse: /\d{1,2}\./,
        ordinal: '%d.',
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 7, // The week that contains Jan 7th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('mi', {
        months: 'Kohi-tāte_Hui-tanguru_Poutū-te-rangi_Paenga-whāwhā_Haratua_Pipiri_Hōngoingoi_Here-turi-kōkā_Mahuru_Whiringa-ā-nuku_Whiringa-ā-rangi_Hakihea'.split(
            '_'
        ),
        monthsShort:
            'Kohi_Hui_Pou_Pae_Hara_Pipi_Hōngoi_Here_Mahu_Whi-nu_Whi-ra_Haki'.split(
                '_'
            ),
        monthsRegex: /(?:['a-z\u0101\u014D\u016B]+\-?){1,3}/i,
        monthsStrictRegex: /(?:['a-z\u0101\u014D\u016B]+\-?){1,3}/i,
        monthsShortRegex: /(?:['a-z\u0101\u014D\u016B]+\-?){1,3}/i,
        monthsShortStrictRegex: /(?:['a-z\u0101\u014D\u016B]+\-?){1,2}/i,
        weekdays: 'Rātapu_Mane_Tūrei_Wenerei_Tāite_Paraire_Hātarei'.split('_'),
        weekdaysShort: 'Ta_Ma_Tū_We_Tāi_Pa_Hā'.split('_'),
        weekdaysMin: 'Ta_Ma_Tū_We_Tāi_Pa_Hā'.split('_'),
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY [i] HH:mm',
            LLLL: 'dddd, D MMMM YYYY [i] HH:mm',
        },
        calendar: {
            sameDay: '[i teie mahana, i] LT',
            nextDay: '[apopo i] LT',
            nextWeek: 'dddd [i] LT',
            lastDay: '[inanahi i] LT',
            lastWeek: 'dddd [whakamutunga i] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'i roto i %s',
            past: '%s i mua',
            s: 'te hēkona ruarua',
            ss: '%d hēkona',
            m: 'he meneti',
            mm: '%d meneti',
            h: 'te haora',
            hh: '%d haora',
            d: 'he ra',
            dd: '%d ra',
            M: 'he marama',
            MM: '%d marama',
            y: 'he tau',
            yy: '%d tau',
        },
        dayOfMonthOrdinalParse: /\d{1,2}º/,
        ordinal: '%dº',
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('mk', {
        months: 'јануари_февруари_март_април_мај_јуни_јули_август_септември_октомври_ноември_декември'.split(
            '_'
        ),
        monthsShort: 'јан_фев_мар_апр_мај_јун_јул_авг_сеп_окт_ное_дек'.split('_'),
        weekdays: 'недела_понеделник_вторник_среда_четврток_петок_сабота'.split(
            '_'
        ),
        weekdaysShort: 'нед_пон_вто_сре_чет_пет_саб'.split('_'),
        weekdaysMin: 'нe_пo_вт_ср_че_пе_сa'.split('_'),
        longDateFormat: {
            LT: 'H:mm',
            LTS: 'H:mm:ss',
            L: 'D.MM.YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY H:mm',
            LLLL: 'dddd, D MMMM YYYY H:mm',
        },
        calendar: {
            sameDay: '[Денес во] LT',
            nextDay: '[Утре во] LT',
            nextWeek: '[Во] dddd [во] LT',
            lastDay: '[Вчера во] LT',
            lastWeek: function () {
                switch (this.day()) {
                    case 0:
                    case 3:
                    case 6:
                        return '[Изминатата] dddd [во] LT';
                    case 1:
                    case 2:
                    case 4:
                    case 5:
                        return '[Изминатиот] dddd [во] LT';
                }
            },
            sameElse: 'L',
        },
        relativeTime: {
            future: 'за %s',
            past: 'пред %s',
            s: 'неколку секунди',
            ss: '%d секунди',
            m: 'една минута',
            mm: '%d минути',
            h: 'еден час',
            hh: '%d часа',
            d: 'еден ден',
            dd: '%d дена',
            M: 'еден месец',
            MM: '%d месеци',
            y: 'една година',
            yy: '%d години',
        },
        dayOfMonthOrdinalParse: /\d{1,2}-(ев|ен|ти|ви|ри|ми)/,
        ordinal: function (number) {
            var lastDigit = number % 10,
                last2Digits = number % 100;
            if (number === 0) {
                return number + '-ев';
            } else if (last2Digits === 0) {
                return number + '-ен';
            } else if (last2Digits > 10 && last2Digits < 20) {
                return number + '-ти';
            } else if (lastDigit === 1) {
                return number + '-ви';
            } else if (lastDigit === 2) {
                return number + '-ри';
            } else if (lastDigit === 7 || lastDigit === 8) {
                return number + '-ми';
            } else {
                return number + '-ти';
            }
        },
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 7, // The week that contains Jan 7th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('ml', {
        months: 'ജനുവരി_ഫെബ്രുവരി_മാർച്ച്_ഏപ്രിൽ_മേയ്_ജൂൺ_ജൂലൈ_ഓഗസ്റ്റ്_സെപ്റ്റംബർ_ഒക്ടോബർ_നവംബർ_ഡിസംബർ'.split(
            '_'
        ),
        monthsShort:
            'ജനു._ഫെബ്രു._മാർ._ഏപ്രി._മേയ്_ജൂൺ_ജൂലൈ._ഓഗ._സെപ്റ്റ._ഒക്ടോ._നവം._ഡിസം.'.split(
                '_'
            ),
        monthsParseExact: true,
        weekdays:
            'ഞായറാഴ്ച_തിങ്കളാഴ്ച_ചൊവ്വാഴ്ച_ബുധനാഴ്ച_വ്യാഴാഴ്ച_വെള്ളിയാഴ്ച_ശനിയാഴ്ച'.split(
                '_'
            ),
        weekdaysShort: 'ഞായർ_തിങ്കൾ_ചൊവ്വ_ബുധൻ_വ്യാഴം_വെള്ളി_ശനി'.split('_'),
        weekdaysMin: 'ഞാ_തി_ചൊ_ബു_വ്യാ_വെ_ശ'.split('_'),
        longDateFormat: {
            LT: 'A h:mm -നു',
            LTS: 'A h:mm:ss -നു',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY, A h:mm -നു',
            LLLL: 'dddd, D MMMM YYYY, A h:mm -നു',
        },
        calendar: {
            sameDay: '[ഇന്ന്] LT',
            nextDay: '[നാളെ] LT',
            nextWeek: 'dddd, LT',
            lastDay: '[ഇന്നലെ] LT',
            lastWeek: '[കഴിഞ്ഞ] dddd, LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: '%s കഴിഞ്ഞ്',
            past: '%s മുൻപ്',
            s: 'അൽപ നിമിഷങ്ങൾ',
            ss: '%d സെക്കൻഡ്',
            m: 'ഒരു മിനിറ്റ്',
            mm: '%d മിനിറ്റ്',
            h: 'ഒരു മണിക്കൂർ',
            hh: '%d മണിക്കൂർ',
            d: 'ഒരു ദിവസം',
            dd: '%d ദിവസം',
            M: 'ഒരു മാസം',
            MM: '%d മാസം',
            y: 'ഒരു വർഷം',
            yy: '%d വർഷം',
        },
        meridiemParse: /രാത്രി|രാവിലെ|ഉച്ച കഴിഞ്ഞ്|വൈകുന്നേരം|രാത്രി/i,
        meridiemHour: function (hour, meridiem) {
            if (hour === 12) {
                hour = 0;
            }
            if (
                (meridiem === 'രാത്രി' && hour >= 4) ||
                meridiem === 'ഉച്ച കഴിഞ്ഞ്' ||
                meridiem === 'വൈകുന്നേരം'
            ) {
                return hour + 12;
            } else {
                return hour;
            }
        },
        meridiem: function (hour, minute, isLower) {
            if (hour < 4) {
                return 'രാത്രി';
            } else if (hour < 12) {
                return 'രാവിലെ';
            } else if (hour < 17) {
                return 'ഉച്ച കഴിഞ്ഞ്';
            } else if (hour < 20) {
                return 'വൈകുന്നേരം';
            } else {
                return 'രാത്രി';
            }
        },
    });

    //! moment.js locale configuration

    function translate$7(number, withoutSuffix, key, isFuture) {
        switch (key) {
            case 's':
                return withoutSuffix ? 'хэдхэн секунд' : 'хэдхэн секундын';
            case 'ss':
                return number + (withoutSuffix ? ' секунд' : ' секундын');
            case 'm':
            case 'mm':
                return number + (withoutSuffix ? ' минут' : ' минутын');
            case 'h':
            case 'hh':
                return number + (withoutSuffix ? ' цаг' : ' цагийн');
            case 'd':
            case 'dd':
                return number + (withoutSuffix ? ' өдөр' : ' өдрийн');
            case 'M':
            case 'MM':
                return number + (withoutSuffix ? ' сар' : ' сарын');
            case 'y':
            case 'yy':
                return number + (withoutSuffix ? ' жил' : ' жилийн');
            default:
                return number;
        }
    }

    hooks.defineLocale('mn', {
        months: 'Нэгдүгээр сар_Хоёрдугаар сар_Гуравдугаар сар_Дөрөвдүгээр сар_Тавдугаар сар_Зургадугаар сар_Долдугаар сар_Наймдугаар сар_Есдүгээр сар_Аравдугаар сар_Арван нэгдүгээр сар_Арван хоёрдугаар сар'.split(
            '_'
        ),
        monthsShort:
            '1 сар_2 сар_3 сар_4 сар_5 сар_6 сар_7 сар_8 сар_9 сар_10 сар_11 сар_12 сар'.split(
                '_'
            ),
        monthsParseExact: true,
        weekdays: 'Ням_Даваа_Мягмар_Лхагва_Пүрэв_Баасан_Бямба'.split('_'),
        weekdaysShort: 'Ням_Дав_Мяг_Лха_Пүр_Баа_Бям'.split('_'),
        weekdaysMin: 'Ня_Да_Мя_Лх_Пү_Ба_Бя'.split('_'),
        weekdaysParseExact: true,
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'YYYY-MM-DD',
            LL: 'YYYY оны MMMMын D',
            LLL: 'YYYY оны MMMMын D HH:mm',
            LLLL: 'dddd, YYYY оны MMMMын D HH:mm',
        },
        meridiemParse: /ҮӨ|ҮХ/i,
        isPM: function (input) {
            return input === 'ҮХ';
        },
        meridiem: function (hour, minute, isLower) {
            if (hour < 12) {
                return 'ҮӨ';
            } else {
                return 'ҮХ';
            }
        },
        calendar: {
            sameDay: '[Өнөөдөр] LT',
            nextDay: '[Маргааш] LT',
            nextWeek: '[Ирэх] dddd LT',
            lastDay: '[Өчигдөр] LT',
            lastWeek: '[Өнгөрсөн] dddd LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: '%s дараа',
            past: '%s өмнө',
            s: translate$7,
            ss: translate$7,
            m: translate$7,
            mm: translate$7,
            h: translate$7,
            hh: translate$7,
            d: translate$7,
            dd: translate$7,
            M: translate$7,
            MM: translate$7,
            y: translate$7,
            yy: translate$7,
        },
        dayOfMonthOrdinalParse: /\d{1,2} өдөр/,
        ordinal: function (number, period) {
            switch (period) {
                case 'd':
                case 'D':
                case 'DDD':
                    return number + ' өдөр';
                default:
                    return number;
            }
        },
    });

    //! moment.js locale configuration

    var symbolMap$c = {
            1: '१',
            2: '२',
            3: '३',
            4: '४',
            5: '५',
            6: '६',
            7: '७',
            8: '८',
            9: '९',
            0: '०',
        },
        numberMap$b = {
            '१': '1',
            '२': '2',
            '३': '3',
            '४': '4',
            '५': '5',
            '६': '6',
            '७': '7',
            '८': '8',
            '९': '9',
            '०': '0',
        };

    function relativeTimeMr(number, withoutSuffix, string, isFuture) {
        var output = '';
        if (withoutSuffix) {
            switch (string) {
                case 's':
                    output = 'काही सेकंद';
                    break;
                case 'ss':
                    output = '%d सेकंद';
                    break;
                case 'm':
                    output = 'एक मिनिट';
                    break;
                case 'mm':
                    output = '%d मिनिटे';
                    break;
                case 'h':
                    output = 'एक तास';
                    break;
                case 'hh':
                    output = '%d तास';
                    break;
                case 'd':
                    output = 'एक दिवस';
                    break;
                case 'dd':
                    output = '%d दिवस';
                    break;
                case 'M':
                    output = 'एक महिना';
                    break;
                case 'MM':
                    output = '%d महिने';
                    break;
                case 'y':
                    output = 'एक वर्ष';
                    break;
                case 'yy':
                    output = '%d वर्षे';
                    break;
            }
        } else {
            switch (string) {
                case 's':
                    output = 'काही सेकंदां';
                    break;
                case 'ss':
                    output = '%d सेकंदां';
                    break;
                case 'm':
                    output = 'एका मिनिटा';
                    break;
                case 'mm':
                    output = '%d मिनिटां';
                    break;
                case 'h':
                    output = 'एका तासा';
                    break;
                case 'hh':
                    output = '%d तासां';
                    break;
                case 'd':
                    output = 'एका दिवसा';
                    break;
                case 'dd':
                    output = '%d दिवसां';
                    break;
                case 'M':
                    output = 'एका महिन्या';
                    break;
                case 'MM':
                    output = '%d महिन्यां';
                    break;
                case 'y':
                    output = 'एका वर्षा';
                    break;
                case 'yy':
                    output = '%d वर्षां';
                    break;
            }
        }
        return output.replace(/%d/i, number);
    }

    hooks.defineLocale('mr', {
        months: 'जानेवारी_फेब्रुवारी_मार्च_एप्रिल_मे_जून_जुलै_ऑगस्ट_सप्टेंबर_ऑक्टोबर_नोव्हेंबर_डिसेंबर'.split(
            '_'
        ),
        monthsShort:
            'जाने._फेब्रु._मार्च._एप्रि._मे._जून._जुलै._ऑग._सप्टें._ऑक्टो._नोव्हें._डिसें.'.split(
                '_'
            ),
        monthsParseExact: true,
        weekdays: 'रविवार_सोमवार_मंगळवार_बुधवार_गुरूवार_शुक्रवार_शनिवार'.split('_'),
        weekdaysShort: 'रवि_सोम_मंगळ_बुध_गुरू_शुक्र_शनि'.split('_'),
        weekdaysMin: 'र_सो_मं_बु_गु_शु_श'.split('_'),
        longDateFormat: {
            LT: 'A h:mm वाजता',
            LTS: 'A h:mm:ss वाजता',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY, A h:mm वाजता',
            LLLL: 'dddd, D MMMM YYYY, A h:mm वाजता',
        },
        calendar: {
            sameDay: '[आज] LT',
            nextDay: '[उद्या] LT',
            nextWeek: 'dddd, LT',
            lastDay: '[काल] LT',
            lastWeek: '[मागील] dddd, LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: '%sमध्ये',
            past: '%sपूर्वी',
            s: relativeTimeMr,
            ss: relativeTimeMr,
            m: relativeTimeMr,
            mm: relativeTimeMr,
            h: relativeTimeMr,
            hh: relativeTimeMr,
            d: relativeTimeMr,
            dd: relativeTimeMr,
            M: relativeTimeMr,
            MM: relativeTimeMr,
            y: relativeTimeMr,
            yy: relativeTimeMr,
        },
        preparse: function (string) {
            return string.replace(/[१२३४५६७८९०]/g, function (match) {
                return numberMap$b[match];
            });
        },
        postformat: function (string) {
            return string.replace(/\d/g, function (match) {
                return symbolMap$c[match];
            });
        },
        meridiemParse: /पहाटे|सकाळी|दुपारी|सायंकाळी|रात्री/,
        meridiemHour: function (hour, meridiem) {
            if (hour === 12) {
                hour = 0;
            }
            if (meridiem === 'पहाटे' || meridiem === 'सकाळी') {
                return hour;
            } else if (
                meridiem === 'दुपारी' ||
                meridiem === 'सायंकाळी' ||
                meridiem === 'रात्री'
            ) {
                return hour >= 12 ? hour : hour + 12;
            }
        },
        meridiem: function (hour, minute, isLower) {
            if (hour >= 0 && hour < 6) {
                return 'पहाटे';
            } else if (hour < 12) {
                return 'सकाळी';
            } else if (hour < 17) {
                return 'दुपारी';
            } else if (hour < 20) {
                return 'सायंकाळी';
            } else {
                return 'रात्री';
            }
        },
        week: {
            dow: 0, // Sunday is the first day of the week.
            doy: 6, // The week that contains Jan 6th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('ms-my', {
        months: 'Januari_Februari_Mac_April_Mei_Jun_Julai_Ogos_September_Oktober_November_Disember'.split(
            '_'
        ),
        monthsShort: 'Jan_Feb_Mac_Apr_Mei_Jun_Jul_Ogs_Sep_Okt_Nov_Dis'.split('_'),
        weekdays: 'Ahad_Isnin_Selasa_Rabu_Khamis_Jumaat_Sabtu'.split('_'),
        weekdaysShort: 'Ahd_Isn_Sel_Rab_Kha_Jum_Sab'.split('_'),
        weekdaysMin: 'Ah_Is_Sl_Rb_Km_Jm_Sb'.split('_'),
        longDateFormat: {
            LT: 'HH.mm',
            LTS: 'HH.mm.ss',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY [pukul] HH.mm',
            LLLL: 'dddd, D MMMM YYYY [pukul] HH.mm',
        },
        meridiemParse: /pagi|tengahari|petang|malam/,
        meridiemHour: function (hour, meridiem) {
            if (hour === 12) {
                hour = 0;
            }
            if (meridiem === 'pagi') {
                return hour;
            } else if (meridiem === 'tengahari') {
                return hour >= 11 ? hour : hour + 12;
            } else if (meridiem === 'petang' || meridiem === 'malam') {
                return hour + 12;
            }
        },
        meridiem: function (hours, minutes, isLower) {
            if (hours < 11) {
                return 'pagi';
            } else if (hours < 15) {
                return 'tengahari';
            } else if (hours < 19) {
                return 'petang';
            } else {
                return 'malam';
            }
        },
        calendar: {
            sameDay: '[Hari ini pukul] LT',
            nextDay: '[Esok pukul] LT',
            nextWeek: 'dddd [pukul] LT',
            lastDay: '[Kelmarin pukul] LT',
            lastWeek: 'dddd [lepas pukul] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'dalam %s',
            past: '%s yang lepas',
            s: 'beberapa saat',
            ss: '%d saat',
            m: 'seminit',
            mm: '%d minit',
            h: 'sejam',
            hh: '%d jam',
            d: 'sehari',
            dd: '%d hari',
            M: 'sebulan',
            MM: '%d bulan',
            y: 'setahun',
            yy: '%d tahun',
        },
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 7, // The week that contains Jan 7th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('ms', {
        months: 'Januari_Februari_Mac_April_Mei_Jun_Julai_Ogos_September_Oktober_November_Disember'.split(
            '_'
        ),
        monthsShort: 'Jan_Feb_Mac_Apr_Mei_Jun_Jul_Ogs_Sep_Okt_Nov_Dis'.split('_'),
        weekdays: 'Ahad_Isnin_Selasa_Rabu_Khamis_Jumaat_Sabtu'.split('_'),
        weekdaysShort: 'Ahd_Isn_Sel_Rab_Kha_Jum_Sab'.split('_'),
        weekdaysMin: 'Ah_Is_Sl_Rb_Km_Jm_Sb'.split('_'),
        longDateFormat: {
            LT: 'HH.mm',
            LTS: 'HH.mm.ss',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY [pukul] HH.mm',
            LLLL: 'dddd, D MMMM YYYY [pukul] HH.mm',
        },
        meridiemParse: /pagi|tengahari|petang|malam/,
        meridiemHour: function (hour, meridiem) {
            if (hour === 12) {
                hour = 0;
            }
            if (meridiem === 'pagi') {
                return hour;
            } else if (meridiem === 'tengahari') {
                return hour >= 11 ? hour : hour + 12;
            } else if (meridiem === 'petang' || meridiem === 'malam') {
                return hour + 12;
            }
        },
        meridiem: function (hours, minutes, isLower) {
            if (hours < 11) {
                return 'pagi';
            } else if (hours < 15) {
                return 'tengahari';
            } else if (hours < 19) {
                return 'petang';
            } else {
                return 'malam';
            }
        },
        calendar: {
            sameDay: '[Hari ini pukul] LT',
            nextDay: '[Esok pukul] LT',
            nextWeek: 'dddd [pukul] LT',
            lastDay: '[Kelmarin pukul] LT',
            lastWeek: 'dddd [lepas pukul] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'dalam %s',
            past: '%s yang lepas',
            s: 'beberapa saat',
            ss: '%d saat',
            m: 'seminit',
            mm: '%d minit',
            h: 'sejam',
            hh: '%d jam',
            d: 'sehari',
            dd: '%d hari',
            M: 'sebulan',
            MM: '%d bulan',
            y: 'setahun',
            yy: '%d tahun',
        },
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 7, // The week that contains Jan 7th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('mt', {
        months: 'Jannar_Frar_Marzu_April_Mejju_Ġunju_Lulju_Awwissu_Settembru_Ottubru_Novembru_Diċembru'.split(
            '_'
        ),
        monthsShort: 'Jan_Fra_Mar_Apr_Mej_Ġun_Lul_Aww_Set_Ott_Nov_Diċ'.split('_'),
        weekdays:
            'Il-Ħadd_It-Tnejn_It-Tlieta_L-Erbgħa_Il-Ħamis_Il-Ġimgħa_Is-Sibt'.split(
                '_'
            ),
        weekdaysShort: 'Ħad_Tne_Tli_Erb_Ħam_Ġim_Sib'.split('_'),
        weekdaysMin: 'Ħa_Tn_Tl_Er_Ħa_Ġi_Si'.split('_'),
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY HH:mm',
            LLLL: 'dddd, D MMMM YYYY HH:mm',
        },
        calendar: {
            sameDay: '[Illum fil-]LT',
            nextDay: '[Għada fil-]LT',
            nextWeek: 'dddd [fil-]LT',
            lastDay: '[Il-bieraħ fil-]LT',
            lastWeek: 'dddd [li għadda] [fil-]LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'f’ %s',
            past: '%s ilu',
            s: 'ftit sekondi',
            ss: '%d sekondi',
            m: 'minuta',
            mm: '%d minuti',
            h: 'siegħa',
            hh: '%d siegħat',
            d: 'ġurnata',
            dd: '%d ġranet',
            M: 'xahar',
            MM: '%d xhur',
            y: 'sena',
            yy: '%d sni',
        },
        dayOfMonthOrdinalParse: /\d{1,2}º/,
        ordinal: '%dº',
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    var symbolMap$d = {
            1: '၁',
            2: '၂',
            3: '၃',
            4: '၄',
            5: '၅',
            6: '၆',
            7: '၇',
            8: '၈',
            9: '၉',
            0: '၀',
        },
        numberMap$c = {
            '၁': '1',
            '၂': '2',
            '၃': '3',
            '၄': '4',
            '၅': '5',
            '၆': '6',
            '၇': '7',
            '၈': '8',
            '၉': '9',
            '၀': '0',
        };

    hooks.defineLocale('my', {
        months: 'ဇန်နဝါရီ_ဖေဖော်ဝါရီ_မတ်_ဧပြီ_မေ_ဇွန်_ဇူလိုင်_သြဂုတ်_စက်တင်ဘာ_အောက်တိုဘာ_နိုဝင်ဘာ_ဒီဇင်ဘာ'.split(
            '_'
        ),
        monthsShort: 'ဇန်_ဖေ_မတ်_ပြီ_မေ_ဇွန်_လိုင်_သြ_စက်_အောက်_နို_ဒီ'.split('_'),
        weekdays: 'တနင်္ဂနွေ_တနင်္လာ_အင်္ဂါ_ဗုဒ္ဓဟူး_ကြာသပတေး_သောကြာ_စနေ'.split(
            '_'
        ),
        weekdaysShort: 'နွေ_လာ_ဂါ_ဟူး_ကြာ_သော_နေ'.split('_'),
        weekdaysMin: 'နွေ_လာ_ဂါ_ဟူး_ကြာ_သော_နေ'.split('_'),

        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY HH:mm',
            LLLL: 'dddd D MMMM YYYY HH:mm',
        },
        calendar: {
            sameDay: '[ယနေ.] LT [မှာ]',
            nextDay: '[မနက်ဖြန်] LT [မှာ]',
            nextWeek: 'dddd LT [မှာ]',
            lastDay: '[မနေ.က] LT [မှာ]',
            lastWeek: '[ပြီးခဲ့သော] dddd LT [မှာ]',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'လာမည့် %s မှာ',
            past: 'လွန်ခဲ့သော %s က',
            s: 'စက္ကန်.အနည်းငယ်',
            ss: '%d စက္ကန့်',
            m: 'တစ်မိနစ်',
            mm: '%d မိနစ်',
            h: 'တစ်နာရီ',
            hh: '%d နာရီ',
            d: 'တစ်ရက်',
            dd: '%d ရက်',
            M: 'တစ်လ',
            MM: '%d လ',
            y: 'တစ်နှစ်',
            yy: '%d နှစ်',
        },
        preparse: function (string) {
            return string.replace(/[၁၂၃၄၅၆၇၈၉၀]/g, function (match) {
                return numberMap$c[match];
            });
        },
        postformat: function (string) {
            return string.replace(/\d/g, function (match) {
                return symbolMap$d[match];
            });
        },
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('nb', {
        months: 'januar_februar_mars_april_mai_juni_juli_august_september_oktober_november_desember'.split(
            '_'
        ),
        monthsShort:
            'jan._feb._mars_apr._mai_juni_juli_aug._sep._okt._nov._des.'.split('_'),
        monthsParseExact: true,
        weekdays: 'søndag_mandag_tirsdag_onsdag_torsdag_fredag_lørdag'.split('_'),
        weekdaysShort: 'sø._ma._ti._on._to._fr._lø.'.split('_'),
        weekdaysMin: 'sø_ma_ti_on_to_fr_lø'.split('_'),
        weekdaysParseExact: true,
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD.MM.YYYY',
            LL: 'D. MMMM YYYY',
            LLL: 'D. MMMM YYYY [kl.] HH:mm',
            LLLL: 'dddd D. MMMM YYYY [kl.] HH:mm',
        },
        calendar: {
            sameDay: '[i dag kl.] LT',
            nextDay: '[i morgen kl.] LT',
            nextWeek: 'dddd [kl.] LT',
            lastDay: '[i går kl.] LT',
            lastWeek: '[forrige] dddd [kl.] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'om %s',
            past: '%s siden',
            s: 'noen sekunder',
            ss: '%d sekunder',
            m: 'ett minutt',
            mm: '%d minutter',
            h: 'en time',
            hh: '%d timer',
            d: 'en dag',
            dd: '%d dager',
            w: 'en uke',
            ww: '%d uker',
            M: 'en måned',
            MM: '%d måneder',
            y: 'ett år',
            yy: '%d år',
        },
        dayOfMonthOrdinalParse: /\d{1,2}\./,
        ordinal: '%d.',
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    var symbolMap$e = {
            1: '१',
            2: '२',
            3: '३',
            4: '४',
            5: '५',
            6: '६',
            7: '७',
            8: '८',
            9: '९',
            0: '०',
        },
        numberMap$d = {
            '१': '1',
            '२': '2',
            '३': '3',
            '४': '4',
            '५': '5',
            '६': '6',
            '७': '7',
            '८': '8',
            '९': '9',
            '०': '0',
        };

    hooks.defineLocale('ne', {
        months: 'जनवरी_फेब्रुवरी_मार्च_अप्रिल_मई_जुन_जुलाई_अगष्ट_सेप्टेम्बर_अक्टोबर_नोभेम्बर_डिसेम्बर'.split(
            '_'
        ),
        monthsShort:
            'जन._फेब्रु._मार्च_अप्रि._मई_जुन_जुलाई._अग._सेप्ट._अक्टो._नोभे._डिसे.'.split(
                '_'
            ),
        monthsParseExact: true,
        weekdays: 'आइतबार_सोमबार_मङ्गलबार_बुधबार_बिहिबार_शुक्रबार_शनिबार'.split(
            '_'
        ),
        weekdaysShort: 'आइत._सोम._मङ्गल._बुध._बिहि._शुक्र._शनि.'.split('_'),
        weekdaysMin: 'आ._सो._मं._बु._बि._शु._श.'.split('_'),
        weekdaysParseExact: true,
        longDateFormat: {
            LT: 'Aको h:mm बजे',
            LTS: 'Aको h:mm:ss बजे',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY, Aको h:mm बजे',
            LLLL: 'dddd, D MMMM YYYY, Aको h:mm बजे',
        },
        preparse: function (string) {
            return string.replace(/[१२३४५६७८९०]/g, function (match) {
                return numberMap$d[match];
            });
        },
        postformat: function (string) {
            return string.replace(/\d/g, function (match) {
                return symbolMap$e[match];
            });
        },
        meridiemParse: /राति|बिहान|दिउँसो|साँझ/,
        meridiemHour: function (hour, meridiem) {
            if (hour === 12) {
                hour = 0;
            }
            if (meridiem === 'राति') {
                return hour < 4 ? hour : hour + 12;
            } else if (meridiem === 'बिहान') {
                return hour;
            } else if (meridiem === 'दिउँसो') {
                return hour >= 10 ? hour : hour + 12;
            } else if (meridiem === 'साँझ') {
                return hour + 12;
            }
        },
        meridiem: function (hour, minute, isLower) {
            if (hour < 3) {
                return 'राति';
            } else if (hour < 12) {
                return 'बिहान';
            } else if (hour < 16) {
                return 'दिउँसो';
            } else if (hour < 20) {
                return 'साँझ';
            } else {
                return 'राति';
            }
        },
        calendar: {
            sameDay: '[आज] LT',
            nextDay: '[भोलि] LT',
            nextWeek: '[आउँदो] dddd[,] LT',
            lastDay: '[हिजो] LT',
            lastWeek: '[गएको] dddd[,] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: '%sमा',
            past: '%s अगाडि',
            s: 'केही क्षण',
            ss: '%d सेकेण्ड',
            m: 'एक मिनेट',
            mm: '%d मिनेट',
            h: 'एक घण्टा',
            hh: '%d घण्टा',
            d: 'एक दिन',
            dd: '%d दिन',
            M: 'एक महिना',
            MM: '%d महिना',
            y: 'एक बर्ष',
            yy: '%d बर्ष',
        },
        week: {
            dow: 0, // Sunday is the first day of the week.
            doy: 6, // The week that contains Jan 6th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    var monthsShortWithDots$1 =
            'jan._feb._mrt._apr._mei_jun._jul._aug._sep._okt._nov._dec.'.split('_'),
        monthsShortWithoutDots$1 =
            'jan_feb_mrt_apr_mei_jun_jul_aug_sep_okt_nov_dec'.split('_'),
        monthsParse$8 = [
            /^jan/i,
            /^feb/i,
            /^maart|mrt.?$/i,
            /^apr/i,
            /^mei$/i,
            /^jun[i.]?$/i,
            /^jul[i.]?$/i,
            /^aug/i,
            /^sep/i,
            /^okt/i,
            /^nov/i,
            /^dec/i,
        ],
        monthsRegex$8 =
            /^(januari|februari|maart|april|mei|ju[nl]i|augustus|september|oktober|november|december|jan\.?|feb\.?|mrt\.?|apr\.?|ju[nl]\.?|aug\.?|sep\.?|okt\.?|nov\.?|dec\.?)/i;

    hooks.defineLocale('nl-be', {
        months: 'januari_februari_maart_april_mei_juni_juli_augustus_september_oktober_november_december'.split(
            '_'
        ),
        monthsShort: function (m, format) {
            if (!m) {
                return monthsShortWithDots$1;
            } else if (/-MMM-/.test(format)) {
                return monthsShortWithoutDots$1[m.month()];
            } else {
                return monthsShortWithDots$1[m.month()];
            }
        },

        monthsRegex: monthsRegex$8,
        monthsShortRegex: monthsRegex$8,
        monthsStrictRegex:
            /^(januari|februari|maart|april|mei|ju[nl]i|augustus|september|oktober|november|december)/i,
        monthsShortStrictRegex:
            /^(jan\.?|feb\.?|mrt\.?|apr\.?|mei|ju[nl]\.?|aug\.?|sep\.?|okt\.?|nov\.?|dec\.?)/i,

        monthsParse: monthsParse$8,
        longMonthsParse: monthsParse$8,
        shortMonthsParse: monthsParse$8,

        weekdays:
            'zondag_maandag_dinsdag_woensdag_donderdag_vrijdag_zaterdag'.split('_'),
        weekdaysShort: 'zo._ma._di._wo._do._vr._za.'.split('_'),
        weekdaysMin: 'zo_ma_di_wo_do_vr_za'.split('_'),
        weekdaysParseExact: true,
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY HH:mm',
            LLLL: 'dddd D MMMM YYYY HH:mm',
        },
        calendar: {
            sameDay: '[vandaag om] LT',
            nextDay: '[morgen om] LT',
            nextWeek: 'dddd [om] LT',
            lastDay: '[gisteren om] LT',
            lastWeek: '[afgelopen] dddd [om] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'over %s',
            past: '%s geleden',
            s: 'een paar seconden',
            ss: '%d seconden',
            m: 'één minuut',
            mm: '%d minuten',
            h: 'één uur',
            hh: '%d uur',
            d: 'één dag',
            dd: '%d dagen',
            M: 'één maand',
            MM: '%d maanden',
            y: 'één jaar',
            yy: '%d jaar',
        },
        dayOfMonthOrdinalParse: /\d{1,2}(ste|de)/,
        ordinal: function (number) {
            return (
                number +
                (number === 1 || number === 8 || number >= 20 ? 'ste' : 'de')
            );
        },
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    var monthsShortWithDots$2 =
            'jan._feb._mrt._apr._mei_jun._jul._aug._sep._okt._nov._dec.'.split('_'),
        monthsShortWithoutDots$2 =
            'jan_feb_mrt_apr_mei_jun_jul_aug_sep_okt_nov_dec'.split('_'),
        monthsParse$9 = [
            /^jan/i,
            /^feb/i,
            /^maart|mrt.?$/i,
            /^apr/i,
            /^mei$/i,
            /^jun[i.]?$/i,
            /^jul[i.]?$/i,
            /^aug/i,
            /^sep/i,
            /^okt/i,
            /^nov/i,
            /^dec/i,
        ],
        monthsRegex$9 =
            /^(januari|februari|maart|april|mei|ju[nl]i|augustus|september|oktober|november|december|jan\.?|feb\.?|mrt\.?|apr\.?|ju[nl]\.?|aug\.?|sep\.?|okt\.?|nov\.?|dec\.?)/i;

    hooks.defineLocale('nl', {
        months: 'januari_februari_maart_april_mei_juni_juli_augustus_september_oktober_november_december'.split(
            '_'
        ),
        monthsShort: function (m, format) {
            if (!m) {
                return monthsShortWithDots$2;
            } else if (/-MMM-/.test(format)) {
                return monthsShortWithoutDots$2[m.month()];
            } else {
                return monthsShortWithDots$2[m.month()];
            }
        },

        monthsRegex: monthsRegex$9,
        monthsShortRegex: monthsRegex$9,
        monthsStrictRegex:
            /^(januari|februari|maart|april|mei|ju[nl]i|augustus|september|oktober|november|december)/i,
        monthsShortStrictRegex:
            /^(jan\.?|feb\.?|mrt\.?|apr\.?|mei|ju[nl]\.?|aug\.?|sep\.?|okt\.?|nov\.?|dec\.?)/i,

        monthsParse: monthsParse$9,
        longMonthsParse: monthsParse$9,
        shortMonthsParse: monthsParse$9,

        weekdays:
            'zondag_maandag_dinsdag_woensdag_donderdag_vrijdag_zaterdag'.split('_'),
        weekdaysShort: 'zo._ma._di._wo._do._vr._za.'.split('_'),
        weekdaysMin: 'zo_ma_di_wo_do_vr_za'.split('_'),
        weekdaysParseExact: true,
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD-MM-YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY HH:mm',
            LLLL: 'dddd D MMMM YYYY HH:mm',
        },
        calendar: {
            sameDay: '[vandaag om] LT',
            nextDay: '[morgen om] LT',
            nextWeek: 'dddd [om] LT',
            lastDay: '[gisteren om] LT',
            lastWeek: '[afgelopen] dddd [om] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'over %s',
            past: '%s geleden',
            s: 'een paar seconden',
            ss: '%d seconden',
            m: 'één minuut',
            mm: '%d minuten',
            h: 'één uur',
            hh: '%d uur',
            d: 'één dag',
            dd: '%d dagen',
            w: 'één week',
            ww: '%d weken',
            M: 'één maand',
            MM: '%d maanden',
            y: 'één jaar',
            yy: '%d jaar',
        },
        dayOfMonthOrdinalParse: /\d{1,2}(ste|de)/,
        ordinal: function (number) {
            return (
                number +
                (number === 1 || number === 8 || number >= 20 ? 'ste' : 'de')
            );
        },
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('nn', {
        months: 'januar_februar_mars_april_mai_juni_juli_august_september_oktober_november_desember'.split(
            '_'
        ),
        monthsShort:
            'jan._feb._mars_apr._mai_juni_juli_aug._sep._okt._nov._des.'.split('_'),
        monthsParseExact: true,
        weekdays: 'sundag_måndag_tysdag_onsdag_torsdag_fredag_laurdag'.split('_'),
        weekdaysShort: 'su._må._ty._on._to._fr._lau.'.split('_'),
        weekdaysMin: 'su_må_ty_on_to_fr_la'.split('_'),
        weekdaysParseExact: true,
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD.MM.YYYY',
            LL: 'D. MMMM YYYY',
            LLL: 'D. MMMM YYYY [kl.] H:mm',
            LLLL: 'dddd D. MMMM YYYY [kl.] HH:mm',
        },
        calendar: {
            sameDay: '[I dag klokka] LT',
            nextDay: '[I morgon klokka] LT',
            nextWeek: 'dddd [klokka] LT',
            lastDay: '[I går klokka] LT',
            lastWeek: '[Føregåande] dddd [klokka] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'om %s',
            past: '%s sidan',
            s: 'nokre sekund',
            ss: '%d sekund',
            m: 'eit minutt',
            mm: '%d minutt',
            h: 'ein time',
            hh: '%d timar',
            d: 'ein dag',
            dd: '%d dagar',
            w: 'ei veke',
            ww: '%d veker',
            M: 'ein månad',
            MM: '%d månader',
            y: 'eit år',
            yy: '%d år',
        },
        dayOfMonthOrdinalParse: /\d{1,2}\./,
        ordinal: '%d.',
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('oc-lnc', {
        months: {
            standalone:
                'genièr_febrièr_març_abril_mai_junh_julhet_agost_setembre_octòbre_novembre_decembre'.split(
                    '_'
                ),
            format: "de genièr_de febrièr_de març_d'abril_de mai_de junh_de julhet_d'agost_de setembre_d'octòbre_de novembre_de decembre".split(
                '_'
            ),
            isFormat: /D[oD]?(\s)+MMMM/,
        },
        monthsShort:
            'gen._febr._març_abr._mai_junh_julh._ago._set._oct._nov._dec.'.split(
                '_'
            ),
        monthsParseExact: true,
        weekdays: 'dimenge_diluns_dimars_dimècres_dijòus_divendres_dissabte'.split(
            '_'
        ),
        weekdaysShort: 'dg._dl._dm._dc._dj._dv._ds.'.split('_'),
        weekdaysMin: 'dg_dl_dm_dc_dj_dv_ds'.split('_'),
        weekdaysParseExact: true,
        longDateFormat: {
            LT: 'H:mm',
            LTS: 'H:mm:ss',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM [de] YYYY',
            ll: 'D MMM YYYY',
            LLL: 'D MMMM [de] YYYY [a] H:mm',
            lll: 'D MMM YYYY, H:mm',
            LLLL: 'dddd D MMMM [de] YYYY [a] H:mm',
            llll: 'ddd D MMM YYYY, H:mm',
        },
        calendar: {
            sameDay: '[uèi a] LT',
            nextDay: '[deman a] LT',
            nextWeek: 'dddd [a] LT',
            lastDay: '[ièr a] LT',
            lastWeek: 'dddd [passat a] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: "d'aquí %s",
            past: 'fa %s',
            s: 'unas segondas',
            ss: '%d segondas',
            m: 'una minuta',
            mm: '%d minutas',
            h: 'una ora',
            hh: '%d oras',
            d: 'un jorn',
            dd: '%d jorns',
            M: 'un mes',
            MM: '%d meses',
            y: 'un an',
            yy: '%d ans',
        },
        dayOfMonthOrdinalParse: /\d{1,2}(r|n|t|è|a)/,
        ordinal: function (number, period) {
            var output =
                number === 1
                    ? 'r'
                    : number === 2
                    ? 'n'
                    : number === 3
                    ? 'r'
                    : number === 4
                    ? 't'
                    : 'è';
            if (period === 'w' || period === 'W') {
                output = 'a';
            }
            return number + output;
        },
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4,
        },
    });

    //! moment.js locale configuration

    var symbolMap$f = {
            1: '੧',
            2: '੨',
            3: '੩',
            4: '੪',
            5: '੫',
            6: '੬',
            7: '੭',
            8: '੮',
            9: '੯',
            0: '੦',
        },
        numberMap$e = {
            '੧': '1',
            '੨': '2',
            '੩': '3',
            '੪': '4',
            '੫': '5',
            '੬': '6',
            '੭': '7',
            '੮': '8',
            '੯': '9',
            '੦': '0',
        };

    hooks.defineLocale('pa-in', {
        // There are months name as per Nanakshahi Calendar but they are not used as rigidly in modern Punjabi.
        months: 'ਜਨਵਰੀ_ਫ਼ਰਵਰੀ_ਮਾਰਚ_ਅਪ੍ਰੈਲ_ਮਈ_ਜੂਨ_ਜੁਲਾਈ_ਅਗਸਤ_ਸਤੰਬਰ_ਅਕਤੂਬਰ_ਨਵੰਬਰ_ਦਸੰਬਰ'.split(
            '_'
        ),
        monthsShort:
            'ਜਨਵਰੀ_ਫ਼ਰਵਰੀ_ਮਾਰਚ_ਅਪ੍ਰੈਲ_ਮਈ_ਜੂਨ_ਜੁਲਾਈ_ਅਗਸਤ_ਸਤੰਬਰ_ਅਕਤੂਬਰ_ਨਵੰਬਰ_ਦਸੰਬਰ'.split(
                '_'
            ),
        weekdays: 'ਐਤਵਾਰ_ਸੋਮਵਾਰ_ਮੰਗਲਵਾਰ_ਬੁਧਵਾਰ_ਵੀਰਵਾਰ_ਸ਼ੁੱਕਰਵਾਰ_ਸ਼ਨੀਚਰਵਾਰ'.split(
            '_'
        ),
        weekdaysShort: 'ਐਤ_ਸੋਮ_ਮੰਗਲ_ਬੁਧ_ਵੀਰ_ਸ਼ੁਕਰ_ਸ਼ਨੀ'.split('_'),
        weekdaysMin: 'ਐਤ_ਸੋਮ_ਮੰਗਲ_ਬੁਧ_ਵੀਰ_ਸ਼ੁਕਰ_ਸ਼ਨੀ'.split('_'),
        longDateFormat: {
            LT: 'A h:mm ਵਜੇ',
            LTS: 'A h:mm:ss ਵਜੇ',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY, A h:mm ਵਜੇ',
            LLLL: 'dddd, D MMMM YYYY, A h:mm ਵਜੇ',
        },
        calendar: {
            sameDay: '[ਅਜ] LT',
            nextDay: '[ਕਲ] LT',
            nextWeek: '[ਅਗਲਾ] dddd, LT',
            lastDay: '[ਕਲ] LT',
            lastWeek: '[ਪਿਛਲੇ] dddd, LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: '%s ਵਿੱਚ',
            past: '%s ਪਿਛਲੇ',
            s: 'ਕੁਝ ਸਕਿੰਟ',
            ss: '%d ਸਕਿੰਟ',
            m: 'ਇਕ ਮਿੰਟ',
            mm: '%d ਮਿੰਟ',
            h: 'ਇੱਕ ਘੰਟਾ',
            hh: '%d ਘੰਟੇ',
            d: 'ਇੱਕ ਦਿਨ',
            dd: '%d ਦਿਨ',
            M: 'ਇੱਕ ਮਹੀਨਾ',
            MM: '%d ਮਹੀਨੇ',
            y: 'ਇੱਕ ਸਾਲ',
            yy: '%d ਸਾਲ',
        },
        preparse: function (string) {
            return string.replace(/[੧੨੩੪੫੬੭੮੯੦]/g, function (match) {
                return numberMap$e[match];
            });
        },
        postformat: function (string) {
            return string.replace(/\d/g, function (match) {
                return symbolMap$f[match];
            });
        },
        // Punjabi notation for meridiems are quite fuzzy in practice. While there exists
        // a rigid notion of a 'Pahar' it is not used as rigidly in modern Punjabi.
        meridiemParse: /ਰਾਤ|ਸਵੇਰ|ਦੁਪਹਿਰ|ਸ਼ਾਮ/,
        meridiemHour: function (hour, meridiem) {
            if (hour === 12) {
                hour = 0;
            }
            if (meridiem === 'ਰਾਤ') {
                return hour < 4 ? hour : hour + 12;
            } else if (meridiem === 'ਸਵੇਰ') {
                return hour;
            } else if (meridiem === 'ਦੁਪਹਿਰ') {
                return hour >= 10 ? hour : hour + 12;
            } else if (meridiem === 'ਸ਼ਾਮ') {
                return hour + 12;
            }
        },
        meridiem: function (hour, minute, isLower) {
            if (hour < 4) {
                return 'ਰਾਤ';
            } else if (hour < 10) {
                return 'ਸਵੇਰ';
            } else if (hour < 17) {
                return 'ਦੁਪਹਿਰ';
            } else if (hour < 20) {
                return 'ਸ਼ਾਮ';
            } else {
                return 'ਰਾਤ';
            }
        },
        week: {
            dow: 0, // Sunday is the first day of the week.
            doy: 6, // The week that contains Jan 6th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    var monthsNominative =
            'styczeń_luty_marzec_kwiecień_maj_czerwiec_lipiec_sierpień_wrzesień_październik_listopad_grudzień'.split(
                '_'
            ),
        monthsSubjective =
            'stycznia_lutego_marca_kwietnia_maja_czerwca_lipca_sierpnia_września_października_listopada_grudnia'.split(
                '_'
            ),
        monthsParse$a = [
            /^sty/i,
            /^lut/i,
            /^mar/i,
            /^kwi/i,
            /^maj/i,
            /^cze/i,
            /^lip/i,
            /^sie/i,
            /^wrz/i,
            /^paź/i,
            /^lis/i,
            /^gru/i,
        ];
    function plural$3(n) {
        return n % 10 < 5 && n % 10 > 1 && ~~(n / 10) % 10 !== 1;
    }
    function translate$8(number, withoutSuffix, key) {
        var result = number + ' ';
        switch (key) {
            case 'ss':
                return result + (plural$3(number) ? 'sekundy' : 'sekund');
            case 'm':
                return withoutSuffix ? 'minuta' : 'minutę';
            case 'mm':
                return result + (plural$3(number) ? 'minuty' : 'minut');
            case 'h':
                return withoutSuffix ? 'godzina' : 'godzinę';
            case 'hh':
                return result + (plural$3(number) ? 'godziny' : 'godzin');
            case 'ww':
                return result + (plural$3(number) ? 'tygodnie' : 'tygodni');
            case 'MM':
                return result + (plural$3(number) ? 'miesiące' : 'miesięcy');
            case 'yy':
                return result + (plural$3(number) ? 'lata' : 'lat');
        }
    }

    hooks.defineLocale('pl', {
        months: function (momentToFormat, format) {
            if (!momentToFormat) {
                return monthsNominative;
            } else if (/D MMMM/.test(format)) {
                return monthsSubjective[momentToFormat.month()];
            } else {
                return monthsNominative[momentToFormat.month()];
            }
        },
        monthsShort: 'sty_lut_mar_kwi_maj_cze_lip_sie_wrz_paź_lis_gru'.split('_'),
        monthsParse: monthsParse$a,
        longMonthsParse: monthsParse$a,
        shortMonthsParse: monthsParse$a,
        weekdays:
            'niedziela_poniedziałek_wtorek_środa_czwartek_piątek_sobota'.split('_'),
        weekdaysShort: 'ndz_pon_wt_śr_czw_pt_sob'.split('_'),
        weekdaysMin: 'Nd_Pn_Wt_Śr_Cz_Pt_So'.split('_'),
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD.MM.YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY HH:mm',
            LLLL: 'dddd, D MMMM YYYY HH:mm',
        },
        calendar: {
            sameDay: '[Dziś o] LT',
            nextDay: '[Jutro o] LT',
            nextWeek: function () {
                switch (this.day()) {
                    case 0:
                        return '[W niedzielę o] LT';

                    case 2:
                        return '[We wtorek o] LT';

                    case 3:
                        return '[W środę o] LT';

                    case 6:
                        return '[W sobotę o] LT';

                    default:
                        return '[W] dddd [o] LT';
                }
            },
            lastDay: '[Wczoraj o] LT',
            lastWeek: function () {
                switch (this.day()) {
                    case 0:
                        return '[W zeszłą niedzielę o] LT';
                    case 3:
                        return '[W zeszłą środę o] LT';
                    case 6:
                        return '[W zeszłą sobotę o] LT';
                    default:
                        return '[W zeszły] dddd [o] LT';
                }
            },
            sameElse: 'L',
        },
        relativeTime: {
            future: 'za %s',
            past: '%s temu',
            s: 'kilka sekund',
            ss: translate$8,
            m: translate$8,
            mm: translate$8,
            h: translate$8,
            hh: translate$8,
            d: '1 dzień',
            dd: '%d dni',
            w: 'tydzień',
            ww: translate$8,
            M: 'miesiąc',
            MM: translate$8,
            y: 'rok',
            yy: translate$8,
        },
        dayOfMonthOrdinalParse: /\d{1,2}\./,
        ordinal: '%d.',
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('pt-br', {
        months: 'janeiro_fevereiro_março_abril_maio_junho_julho_agosto_setembro_outubro_novembro_dezembro'.split(
            '_'
        ),
        monthsShort: 'jan_fev_mar_abr_mai_jun_jul_ago_set_out_nov_dez'.split('_'),
        weekdays:
            'domingo_segunda-feira_terça-feira_quarta-feira_quinta-feira_sexta-feira_sábado'.split(
                '_'
            ),
        weekdaysShort: 'dom_seg_ter_qua_qui_sex_sáb'.split('_'),
        weekdaysMin: 'do_2ª_3ª_4ª_5ª_6ª_sá'.split('_'),
        weekdaysParseExact: true,
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD/MM/YYYY',
            LL: 'D [de] MMMM [de] YYYY',
            LLL: 'D [de] MMMM [de] YYYY [às] HH:mm',
            LLLL: 'dddd, D [de] MMMM [de] YYYY [às] HH:mm',
        },
        calendar: {
            sameDay: '[Hoje às] LT',
            nextDay: '[Amanhã às] LT',
            nextWeek: 'dddd [às] LT',
            lastDay: '[Ontem às] LT',
            lastWeek: function () {
                return this.day() === 0 || this.day() === 6
                    ? '[Último] dddd [às] LT' // Saturday + Sunday
                    : '[Última] dddd [às] LT'; // Monday - Friday
            },
            sameElse: 'L',
        },
        relativeTime: {
            future: 'em %s',
            past: 'há %s',
            s: 'poucos segundos',
            ss: '%d segundos',
            m: 'um minuto',
            mm: '%d minutos',
            h: 'uma hora',
            hh: '%d horas',
            d: 'um dia',
            dd: '%d dias',
            M: 'um mês',
            MM: '%d meses',
            y: 'um ano',
            yy: '%d anos',
        },
        dayOfMonthOrdinalParse: /\d{1,2}º/,
        ordinal: '%dº',
        invalidDate: 'Data inválida',
    });

    //! moment.js locale configuration

    hooks.defineLocale('pt', {
        months: 'janeiro_fevereiro_março_abril_maio_junho_julho_agosto_setembro_outubro_novembro_dezembro'.split(
            '_'
        ),
        monthsShort: 'jan_fev_mar_abr_mai_jun_jul_ago_set_out_nov_dez'.split('_'),
        weekdays:
            'Domingo_Segunda-feira_Terça-feira_Quarta-feira_Quinta-feira_Sexta-feira_Sábado'.split(
                '_'
            ),
        weekdaysShort: 'Dom_Seg_Ter_Qua_Qui_Sex_Sáb'.split('_'),
        weekdaysMin: 'Do_2ª_3ª_4ª_5ª_6ª_Sá'.split('_'),
        weekdaysParseExact: true,
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD/MM/YYYY',
            LL: 'D [de] MMMM [de] YYYY',
            LLL: 'D [de] MMMM [de] YYYY HH:mm',
            LLLL: 'dddd, D [de] MMMM [de] YYYY HH:mm',
        },
        calendar: {
            sameDay: '[Hoje às] LT',
            nextDay: '[Amanhã às] LT',
            nextWeek: 'dddd [às] LT',
            lastDay: '[Ontem às] LT',
            lastWeek: function () {
                return this.day() === 0 || this.day() === 6
                    ? '[Último] dddd [às] LT' // Saturday + Sunday
                    : '[Última] dddd [às] LT'; // Monday - Friday
            },
            sameElse: 'L',
        },
        relativeTime: {
            future: 'em %s',
            past: 'há %s',
            s: 'segundos',
            ss: '%d segundos',
            m: 'um minuto',
            mm: '%d minutos',
            h: 'uma hora',
            hh: '%d horas',
            d: 'um dia',
            dd: '%d dias',
            w: 'uma semana',
            ww: '%d semanas',
            M: 'um mês',
            MM: '%d meses',
            y: 'um ano',
            yy: '%d anos',
        },
        dayOfMonthOrdinalParse: /\d{1,2}º/,
        ordinal: '%dº',
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    function relativeTimeWithPlural$2(number, withoutSuffix, key) {
        var format = {
                ss: 'secunde',
                mm: 'minute',
                hh: 'ore',
                dd: 'zile',
                ww: 'săptămâni',
                MM: 'luni',
                yy: 'ani',
            },
            separator = ' ';
        if (number % 100 >= 20 || (number >= 100 && number % 100 === 0)) {
            separator = ' de ';
        }
        return number + separator + format[key];
    }

    hooks.defineLocale('ro', {
        months: 'ianuarie_februarie_martie_aprilie_mai_iunie_iulie_august_septembrie_octombrie_noiembrie_decembrie'.split(
            '_'
        ),
        monthsShort:
            'ian._feb._mart._apr._mai_iun._iul._aug._sept._oct._nov._dec.'.split(
                '_'
            ),
        monthsParseExact: true,
        weekdays: 'duminică_luni_marți_miercuri_joi_vineri_sâmbătă'.split('_'),
        weekdaysShort: 'Dum_Lun_Mar_Mie_Joi_Vin_Sâm'.split('_'),
        weekdaysMin: 'Du_Lu_Ma_Mi_Jo_Vi_Sâ'.split('_'),
        longDateFormat: {
            LT: 'H:mm',
            LTS: 'H:mm:ss',
            L: 'DD.MM.YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY H:mm',
            LLLL: 'dddd, D MMMM YYYY H:mm',
        },
        calendar: {
            sameDay: '[azi la] LT',
            nextDay: '[mâine la] LT',
            nextWeek: 'dddd [la] LT',
            lastDay: '[ieri la] LT',
            lastWeek: '[fosta] dddd [la] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'peste %s',
            past: '%s în urmă',
            s: 'câteva secunde',
            ss: relativeTimeWithPlural$2,
            m: 'un minut',
            mm: relativeTimeWithPlural$2,
            h: 'o oră',
            hh: relativeTimeWithPlural$2,
            d: 'o zi',
            dd: relativeTimeWithPlural$2,
            w: 'o săptămână',
            ww: relativeTimeWithPlural$2,
            M: 'o lună',
            MM: relativeTimeWithPlural$2,
            y: 'un an',
            yy: relativeTimeWithPlural$2,
        },
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 7, // The week that contains Jan 7th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    function plural$4(word, num) {
        var forms = word.split('_');
        return num % 10 === 1 && num % 100 !== 11
            ? forms[0]
            : num % 10 >= 2 && num % 10 <= 4 && (num % 100 < 10 || num % 100 >= 20)
            ? forms[1]
            : forms[2];
    }
    function relativeTimeWithPlural$3(number, withoutSuffix, key) {
        var format = {
            ss: withoutSuffix ? 'секунда_секунды_секунд' : 'секунду_секунды_секунд',
            mm: withoutSuffix ? 'минута_минуты_минут' : 'минуту_минуты_минут',
            hh: 'час_часа_часов',
            dd: 'день_дня_дней',
            ww: 'неделя_недели_недель',
            MM: 'месяц_месяца_месяцев',
            yy: 'год_года_лет',
        };
        if (key === 'm') {
            return withoutSuffix ? 'минута' : 'минуту';
        } else {
            return number + ' ' + plural$4(format[key], +number);
        }
    }
    var monthsParse$b = [
        /^янв/i,
        /^фев/i,
        /^мар/i,
        /^апр/i,
        /^ма[йя]/i,
        /^июн/i,
        /^июл/i,
        /^авг/i,
        /^сен/i,
        /^окт/i,
        /^ноя/i,
        /^дек/i,
    ];

    // http://new.gramota.ru/spravka/rules/139-prop : § 103
    // Сокращения месяцев: http://new.gramota.ru/spravka/buro/search-answer?s=242637
    // CLDR data:          http://www.unicode.org/cldr/charts/28/summary/ru.html#1753
    hooks.defineLocale('ru', {
        months: {
            format: 'января_февраля_марта_апреля_мая_июня_июля_августа_сентября_октября_ноября_декабря'.split(
                '_'
            ),
            standalone:
                'январь_февраль_март_апрель_май_июнь_июль_август_сентябрь_октябрь_ноябрь_декабрь'.split(
                    '_'
                ),
        },
        monthsShort: {
            // по CLDR именно "июл." и "июн.", но какой смысл менять букву на точку?
            format: 'янв._февр._мар._апр._мая_июня_июля_авг._сент._окт._нояб._дек.'.split(
                '_'
            ),
            standalone:
                'янв._февр._март_апр._май_июнь_июль_авг._сент._окт._нояб._дек.'.split(
                    '_'
                ),
        },
        weekdays: {
            standalone:
                'воскресенье_понедельник_вторник_среда_четверг_пятница_суббота'.split(
                    '_'
                ),
            format: 'воскресенье_понедельник_вторник_среду_четверг_пятницу_субботу'.split(
                '_'
            ),
            isFormat: /\[ ?[Вв] ?(?:прошлую|следующую|эту)? ?] ?dddd/,
        },
        weekdaysShort: 'вс_пн_вт_ср_чт_пт_сб'.split('_'),
        weekdaysMin: 'вс_пн_вт_ср_чт_пт_сб'.split('_'),
        monthsParse: monthsParse$b,
        longMonthsParse: monthsParse$b,
        shortMonthsParse: monthsParse$b,

        // полные названия с падежами, по три буквы, для некоторых, по 4 буквы, сокращения с точкой и без точки
        monthsRegex:
            /^(январ[ья]|янв\.?|феврал[ья]|февр?\.?|марта?|мар\.?|апрел[ья]|апр\.?|ма[йя]|июн[ья]|июн\.?|июл[ья]|июл\.?|августа?|авг\.?|сентябр[ья]|сент?\.?|октябр[ья]|окт\.?|ноябр[ья]|нояб?\.?|декабр[ья]|дек\.?)/i,

        // копия предыдущего
        monthsShortRegex:
            /^(январ[ья]|янв\.?|феврал[ья]|февр?\.?|марта?|мар\.?|апрел[ья]|апр\.?|ма[йя]|июн[ья]|июн\.?|июл[ья]|июл\.?|августа?|авг\.?|сентябр[ья]|сент?\.?|октябр[ья]|окт\.?|ноябр[ья]|нояб?\.?|декабр[ья]|дек\.?)/i,

        // полные названия с падежами
        monthsStrictRegex:
            /^(январ[яь]|феврал[яь]|марта?|апрел[яь]|ма[яй]|июн[яь]|июл[яь]|августа?|сентябр[яь]|октябр[яь]|ноябр[яь]|декабр[яь])/i,

        // Выражение, которое соответствует только сокращённым формам
        monthsShortStrictRegex:
            /^(янв\.|февр?\.|мар[т.]|апр\.|ма[яй]|июн[ья.]|июл[ья.]|авг\.|сент?\.|окт\.|нояб?\.|дек\.)/i,
        longDateFormat: {
            LT: 'H:mm',
            LTS: 'H:mm:ss',
            L: 'DD.MM.YYYY',
            LL: 'D MMMM YYYY г.',
            LLL: 'D MMMM YYYY г., H:mm',
            LLLL: 'dddd, D MMMM YYYY г., H:mm',
        },
        calendar: {
            sameDay: '[Сегодня, в] LT',
            nextDay: '[Завтра, в] LT',
            lastDay: '[Вчера, в] LT',
            nextWeek: function (now) {
                if (now.week() !== this.week()) {
                    switch (this.day()) {
                        case 0:
                            return '[В следующее] dddd, [в] LT';
                        case 1:
                        case 2:
                        case 4:
                            return '[В следующий] dddd, [в] LT';
                        case 3:
                        case 5:
                        case 6:
                            return '[В следующую] dddd, [в] LT';
                    }
                } else {
                    if (this.day() === 2) {
                        return '[Во] dddd, [в] LT';
                    } else {
                        return '[В] dddd, [в] LT';
                    }
                }
            },
            lastWeek: function (now) {
                if (now.week() !== this.week()) {
                    switch (this.day()) {
                        case 0:
                            return '[В прошлое] dddd, [в] LT';
                        case 1:
                        case 2:
                        case 4:
                            return '[В прошлый] dddd, [в] LT';
                        case 3:
                        case 5:
                        case 6:
                            return '[В прошлую] dddd, [в] LT';
                    }
                } else {
                    if (this.day() === 2) {
                        return '[Во] dddd, [в] LT';
                    } else {
                        return '[В] dddd, [в] LT';
                    }
                }
            },
            sameElse: 'L',
        },
        relativeTime: {
            future: 'через %s',
            past: '%s назад',
            s: 'несколько секунд',
            ss: relativeTimeWithPlural$3,
            m: relativeTimeWithPlural$3,
            mm: relativeTimeWithPlural$3,
            h: 'час',
            hh: relativeTimeWithPlural$3,
            d: 'день',
            dd: relativeTimeWithPlural$3,
            w: 'неделя',
            ww: relativeTimeWithPlural$3,
            M: 'месяц',
            MM: relativeTimeWithPlural$3,
            y: 'год',
            yy: relativeTimeWithPlural$3,
        },
        meridiemParse: /ночи|утра|дня|вечера/i,
        isPM: function (input) {
            return /^(дня|вечера)$/.test(input);
        },
        meridiem: function (hour, minute, isLower) {
            if (hour < 4) {
                return 'ночи';
            } else if (hour < 12) {
                return 'утра';
            } else if (hour < 17) {
                return 'дня';
            } else {
                return 'вечера';
            }
        },
        dayOfMonthOrdinalParse: /\d{1,2}-(й|го|я)/,
        ordinal: function (number, period) {
            switch (period) {
                case 'M':
                case 'd':
                case 'DDD':
                    return number + '-й';
                case 'D':
                    return number + '-го';
                case 'w':
                case 'W':
                    return number + '-я';
                default:
                    return number;
            }
        },
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    var months$9 = [
            'جنوري',
            'فيبروري',
            'مارچ',
            'اپريل',
            'مئي',
            'جون',
            'جولاءِ',
            'آگسٽ',
            'سيپٽمبر',
            'آڪٽوبر',
            'نومبر',
            'ڊسمبر',
        ],
        days$1 = ['آچر', 'سومر', 'اڱارو', 'اربع', 'خميس', 'جمع', 'ڇنڇر'];

    hooks.defineLocale('sd', {
        months: months$9,
        monthsShort: months$9,
        weekdays: days$1,
        weekdaysShort: days$1,
        weekdaysMin: days$1,
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY HH:mm',
            LLLL: 'dddd، D MMMM YYYY HH:mm',
        },
        meridiemParse: /صبح|شام/,
        isPM: function (input) {
            return 'شام' === input;
        },
        meridiem: function (hour, minute, isLower) {
            if (hour < 12) {
                return 'صبح';
            }
            return 'شام';
        },
        calendar: {
            sameDay: '[اڄ] LT',
            nextDay: '[سڀاڻي] LT',
            nextWeek: 'dddd [اڳين هفتي تي] LT',
            lastDay: '[ڪالهه] LT',
            lastWeek: '[گزريل هفتي] dddd [تي] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: '%s پوء',
            past: '%s اڳ',
            s: 'چند سيڪنڊ',
            ss: '%d سيڪنڊ',
            m: 'هڪ منٽ',
            mm: '%d منٽ',
            h: 'هڪ ڪلاڪ',
            hh: '%d ڪلاڪ',
            d: 'هڪ ڏينهن',
            dd: '%d ڏينهن',
            M: 'هڪ مهينو',
            MM: '%d مهينا',
            y: 'هڪ سال',
            yy: '%d سال',
        },
        preparse: function (string) {
            return string.replace(/،/g, ',');
        },
        postformat: function (string) {
            return string.replace(/,/g, '،');
        },
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('se', {
        months: 'ođđajagemánnu_guovvamánnu_njukčamánnu_cuoŋománnu_miessemánnu_geassemánnu_suoidnemánnu_borgemánnu_čakčamánnu_golggotmánnu_skábmamánnu_juovlamánnu'.split(
            '_'
        ),
        monthsShort:
            'ođđj_guov_njuk_cuo_mies_geas_suoi_borg_čakč_golg_skáb_juov'.split('_'),
        weekdays:
            'sotnabeaivi_vuossárga_maŋŋebárga_gaskavahkku_duorastat_bearjadat_lávvardat'.split(
                '_'
            ),
        weekdaysShort: 'sotn_vuos_maŋ_gask_duor_bear_láv'.split('_'),
        weekdaysMin: 's_v_m_g_d_b_L'.split('_'),
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD.MM.YYYY',
            LL: 'MMMM D. [b.] YYYY',
            LLL: 'MMMM D. [b.] YYYY [ti.] HH:mm',
            LLLL: 'dddd, MMMM D. [b.] YYYY [ti.] HH:mm',
        },
        calendar: {
            sameDay: '[otne ti] LT',
            nextDay: '[ihttin ti] LT',
            nextWeek: 'dddd [ti] LT',
            lastDay: '[ikte ti] LT',
            lastWeek: '[ovddit] dddd [ti] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: '%s geažes',
            past: 'maŋit %s',
            s: 'moadde sekunddat',
            ss: '%d sekunddat',
            m: 'okta minuhta',
            mm: '%d minuhtat',
            h: 'okta diimmu',
            hh: '%d diimmut',
            d: 'okta beaivi',
            dd: '%d beaivvit',
            M: 'okta mánnu',
            MM: '%d mánut',
            y: 'okta jahki',
            yy: '%d jagit',
        },
        dayOfMonthOrdinalParse: /\d{1,2}\./,
        ordinal: '%d.',
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    /*jshint -W100*/
    hooks.defineLocale('si', {
        months: 'ජනවාරි_පෙබරවාරි_මාර්තු_අප්‍රේල්_මැයි_ජූනි_ජූලි_අගෝස්තු_සැප්තැම්බර්_ඔක්තෝබර්_නොවැම්බර්_දෙසැම්බර්'.split(
            '_'
        ),
        monthsShort: 'ජන_පෙබ_මාර්_අප්_මැයි_ජූනි_ජූලි_අගෝ_සැප්_ඔක්_නොවැ_දෙසැ'.split(
            '_'
        ),
        weekdays:
            'ඉරිදා_සඳුදා_අඟහරුවාදා_බදාදා_බ්‍රහස්පතින්දා_සිකුරාදා_සෙනසුරාදා'.split(
                '_'
            ),
        weekdaysShort: 'ඉරි_සඳු_අඟ_බදා_බ්‍රහ_සිකු_සෙන'.split('_'),
        weekdaysMin: 'ඉ_ස_අ_බ_බ්‍ර_සි_සෙ'.split('_'),
        weekdaysParseExact: true,
        longDateFormat: {
            LT: 'a h:mm',
            LTS: 'a h:mm:ss',
            L: 'YYYY/MM/DD',
            LL: 'YYYY MMMM D',
            LLL: 'YYYY MMMM D, a h:mm',
            LLLL: 'YYYY MMMM D [වැනි] dddd, a h:mm:ss',
        },
        calendar: {
            sameDay: '[අද] LT[ට]',
            nextDay: '[හෙට] LT[ට]',
            nextWeek: 'dddd LT[ට]',
            lastDay: '[ඊයේ] LT[ට]',
            lastWeek: '[පසුගිය] dddd LT[ට]',
            sameElse: 'L',
        },
        relativeTime: {
            future: '%sකින්',
            past: '%sකට පෙර',
            s: 'තත්පර කිහිපය',
            ss: 'තත්පර %d',
            m: 'මිනිත්තුව',
            mm: 'මිනිත්තු %d',
            h: 'පැය',
            hh: 'පැය %d',
            d: 'දිනය',
            dd: 'දින %d',
            M: 'මාසය',
            MM: 'මාස %d',
            y: 'වසර',
            yy: 'වසර %d',
        },
        dayOfMonthOrdinalParse: /\d{1,2} වැනි/,
        ordinal: function (number) {
            return number + ' වැනි';
        },
        meridiemParse: /පෙර වරු|පස් වරු|පෙ.ව|ප.ව./,
        isPM: function (input) {
            return input === 'ප.ව.' || input === 'පස් වරු';
        },
        meridiem: function (hours, minutes, isLower) {
            if (hours > 11) {
                return isLower ? 'ප.ව.' : 'පස් වරු';
            } else {
                return isLower ? 'පෙ.ව.' : 'පෙර වරු';
            }
        },
    });

    //! moment.js locale configuration

    var months$a =
            'január_február_marec_apríl_máj_jún_júl_august_september_október_november_december'.split(
                '_'
            ),
        monthsShort$7 = 'jan_feb_mar_apr_máj_jún_júl_aug_sep_okt_nov_dec'.split('_');
    function plural$5(n) {
        return n > 1 && n < 5;
    }
    function translate$9(number, withoutSuffix, key, isFuture) {
        var result = number + ' ';
        switch (key) {
            case 's': // a few seconds / in a few seconds / a few seconds ago
                return withoutSuffix || isFuture ? 'pár sekúnd' : 'pár sekundami';
            case 'ss': // 9 seconds / in 9 seconds / 9 seconds ago
                if (withoutSuffix || isFuture) {
                    return result + (plural$5(number) ? 'sekundy' : 'sekúnd');
                } else {
                    return result + 'sekundami';
                }
            case 'm': // a minute / in a minute / a minute ago
                return withoutSuffix ? 'minúta' : isFuture ? 'minútu' : 'minútou';
            case 'mm': // 9 minutes / in 9 minutes / 9 minutes ago
                if (withoutSuffix || isFuture) {
                    return result + (plural$5(number) ? 'minúty' : 'minút');
                } else {
                    return result + 'minútami';
                }
            case 'h': // an hour / in an hour / an hour ago
                return withoutSuffix ? 'hodina' : isFuture ? 'hodinu' : 'hodinou';
            case 'hh': // 9 hours / in 9 hours / 9 hours ago
                if (withoutSuffix || isFuture) {
                    return result + (plural$5(number) ? 'hodiny' : 'hodín');
                } else {
                    return result + 'hodinami';
                }
            case 'd': // a day / in a day / a day ago
                return withoutSuffix || isFuture ? 'deň' : 'dňom';
            case 'dd': // 9 days / in 9 days / 9 days ago
                if (withoutSuffix || isFuture) {
                    return result + (plural$5(number) ? 'dni' : 'dní');
                } else {
                    return result + 'dňami';
                }
            case 'M': // a month / in a month / a month ago
                return withoutSuffix || isFuture ? 'mesiac' : 'mesiacom';
            case 'MM': // 9 months / in 9 months / 9 months ago
                if (withoutSuffix || isFuture) {
                    return result + (plural$5(number) ? 'mesiace' : 'mesiacov');
                } else {
                    return result + 'mesiacmi';
                }
            case 'y': // a year / in a year / a year ago
                return withoutSuffix || isFuture ? 'rok' : 'rokom';
            case 'yy': // 9 years / in 9 years / 9 years ago
                if (withoutSuffix || isFuture) {
                    return result + (plural$5(number) ? 'roky' : 'rokov');
                } else {
                    return result + 'rokmi';
                }
        }
    }

    hooks.defineLocale('sk', {
        months: months$a,
        monthsShort: monthsShort$7,
        weekdays: 'nedeľa_pondelok_utorok_streda_štvrtok_piatok_sobota'.split('_'),
        weekdaysShort: 'ne_po_ut_st_št_pi_so'.split('_'),
        weekdaysMin: 'ne_po_ut_st_št_pi_so'.split('_'),
        longDateFormat: {
            LT: 'H:mm',
            LTS: 'H:mm:ss',
            L: 'DD.MM.YYYY',
            LL: 'D. MMMM YYYY',
            LLL: 'D. MMMM YYYY H:mm',
            LLLL: 'dddd D. MMMM YYYY H:mm',
        },
        calendar: {
            sameDay: '[dnes o] LT',
            nextDay: '[zajtra o] LT',
            nextWeek: function () {
                switch (this.day()) {
                    case 0:
                        return '[v nedeľu o] LT';
                    case 1:
                    case 2:
                        return '[v] dddd [o] LT';
                    case 3:
                        return '[v stredu o] LT';
                    case 4:
                        return '[vo štvrtok o] LT';
                    case 5:
                        return '[v piatok o] LT';
                    case 6:
                        return '[v sobotu o] LT';
                }
            },
            lastDay: '[včera o] LT',
            lastWeek: function () {
                switch (this.day()) {
                    case 0:
                        return '[minulú nedeľu o] LT';
                    case 1:
                    case 2:
                        return '[minulý] dddd [o] LT';
                    case 3:
                        return '[minulú stredu o] LT';
                    case 4:
                    case 5:
                        return '[minulý] dddd [o] LT';
                    case 6:
                        return '[minulú sobotu o] LT';
                }
            },
            sameElse: 'L',
        },
        relativeTime: {
            future: 'za %s',
            past: 'pred %s',
            s: translate$9,
            ss: translate$9,
            m: translate$9,
            mm: translate$9,
            h: translate$9,
            hh: translate$9,
            d: translate$9,
            dd: translate$9,
            M: translate$9,
            MM: translate$9,
            y: translate$9,
            yy: translate$9,
        },
        dayOfMonthOrdinalParse: /\d{1,2}\./,
        ordinal: '%d.',
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    function processRelativeTime$7(number, withoutSuffix, key, isFuture) {
        var result = number + ' ';
        switch (key) {
            case 's':
                return withoutSuffix || isFuture
                    ? 'nekaj sekund'
                    : 'nekaj sekundami';
            case 'ss':
                if (number === 1) {
                    result += withoutSuffix ? 'sekundo' : 'sekundi';
                } else if (number === 2) {
                    result += withoutSuffix || isFuture ? 'sekundi' : 'sekundah';
                } else if (number < 5) {
                    result += withoutSuffix || isFuture ? 'sekunde' : 'sekundah';
                } else {
                    result += 'sekund';
                }
                return result;
            case 'm':
                return withoutSuffix ? 'ena minuta' : 'eno minuto';
            case 'mm':
                if (number === 1) {
                    result += withoutSuffix ? 'minuta' : 'minuto';
                } else if (number === 2) {
                    result += withoutSuffix || isFuture ? 'minuti' : 'minutama';
                } else if (number < 5) {
                    result += withoutSuffix || isFuture ? 'minute' : 'minutami';
                } else {
                    result += withoutSuffix || isFuture ? 'minut' : 'minutami';
                }
                return result;
            case 'h':
                return withoutSuffix ? 'ena ura' : 'eno uro';
            case 'hh':
                if (number === 1) {
                    result += withoutSuffix ? 'ura' : 'uro';
                } else if (number === 2) {
                    result += withoutSuffix || isFuture ? 'uri' : 'urama';
                } else if (number < 5) {
                    result += withoutSuffix || isFuture ? 'ure' : 'urami';
                } else {
                    result += withoutSuffix || isFuture ? 'ur' : 'urami';
                }
                return result;
            case 'd':
                return withoutSuffix || isFuture ? 'en dan' : 'enim dnem';
            case 'dd':
                if (number === 1) {
                    result += withoutSuffix || isFuture ? 'dan' : 'dnem';
                } else if (number === 2) {
                    result += withoutSuffix || isFuture ? 'dni' : 'dnevoma';
                } else {
                    result += withoutSuffix || isFuture ? 'dni' : 'dnevi';
                }
                return result;
            case 'M':
                return withoutSuffix || isFuture ? 'en mesec' : 'enim mesecem';
            case 'MM':
                if (number === 1) {
                    result += withoutSuffix || isFuture ? 'mesec' : 'mesecem';
                } else if (number === 2) {
                    result += withoutSuffix || isFuture ? 'meseca' : 'mesecema';
                } else if (number < 5) {
                    result += withoutSuffix || isFuture ? 'mesece' : 'meseci';
                } else {
                    result += withoutSuffix || isFuture ? 'mesecev' : 'meseci';
                }
                return result;
            case 'y':
                return withoutSuffix || isFuture ? 'eno leto' : 'enim letom';
            case 'yy':
                if (number === 1) {
                    result += withoutSuffix || isFuture ? 'leto' : 'letom';
                } else if (number === 2) {
                    result += withoutSuffix || isFuture ? 'leti' : 'letoma';
                } else if (number < 5) {
                    result += withoutSuffix || isFuture ? 'leta' : 'leti';
                } else {
                    result += withoutSuffix || isFuture ? 'let' : 'leti';
                }
                return result;
        }
    }

    hooks.defineLocale('sl', {
        months: 'januar_februar_marec_april_maj_junij_julij_avgust_september_oktober_november_december'.split(
            '_'
        ),
        monthsShort:
            'jan._feb._mar._apr._maj._jun._jul._avg._sep._okt._nov._dec.'.split(
                '_'
            ),
        monthsParseExact: true,
        weekdays: 'nedelja_ponedeljek_torek_sreda_četrtek_petek_sobota'.split('_'),
        weekdaysShort: 'ned._pon._tor._sre._čet._pet._sob.'.split('_'),
        weekdaysMin: 'ne_po_to_sr_če_pe_so'.split('_'),
        weekdaysParseExact: true,
        longDateFormat: {
            LT: 'H:mm',
            LTS: 'H:mm:ss',
            L: 'DD. MM. YYYY',
            LL: 'D. MMMM YYYY',
            LLL: 'D. MMMM YYYY H:mm',
            LLLL: 'dddd, D. MMMM YYYY H:mm',
        },
        calendar: {
            sameDay: '[danes ob] LT',
            nextDay: '[jutri ob] LT',

            nextWeek: function () {
                switch (this.day()) {
                    case 0:
                        return '[v] [nedeljo] [ob] LT';
                    case 3:
                        return '[v] [sredo] [ob] LT';
                    case 6:
                        return '[v] [soboto] [ob] LT';
                    case 1:
                    case 2:
                    case 4:
                    case 5:
                        return '[v] dddd [ob] LT';
                }
            },
            lastDay: '[včeraj ob] LT',
            lastWeek: function () {
                switch (this.day()) {
                    case 0:
                        return '[prejšnjo] [nedeljo] [ob] LT';
                    case 3:
                        return '[prejšnjo] [sredo] [ob] LT';
                    case 6:
                        return '[prejšnjo] [soboto] [ob] LT';
                    case 1:
                    case 2:
                    case 4:
                    case 5:
                        return '[prejšnji] dddd [ob] LT';
                }
            },
            sameElse: 'L',
        },
        relativeTime: {
            future: 'čez %s',
            past: 'pred %s',
            s: processRelativeTime$7,
            ss: processRelativeTime$7,
            m: processRelativeTime$7,
            mm: processRelativeTime$7,
            h: processRelativeTime$7,
            hh: processRelativeTime$7,
            d: processRelativeTime$7,
            dd: processRelativeTime$7,
            M: processRelativeTime$7,
            MM: processRelativeTime$7,
            y: processRelativeTime$7,
            yy: processRelativeTime$7,
        },
        dayOfMonthOrdinalParse: /\d{1,2}\./,
        ordinal: '%d.',
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 7, // The week that contains Jan 7th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('sq', {
        months: 'Janar_Shkurt_Mars_Prill_Maj_Qershor_Korrik_Gusht_Shtator_Tetor_Nëntor_Dhjetor'.split(
            '_'
        ),
        monthsShort: 'Jan_Shk_Mar_Pri_Maj_Qer_Kor_Gus_Sht_Tet_Nën_Dhj'.split('_'),
        weekdays: 'E Diel_E Hënë_E Martë_E Mërkurë_E Enjte_E Premte_E Shtunë'.split(
            '_'
        ),
        weekdaysShort: 'Die_Hën_Mar_Mër_Enj_Pre_Sht'.split('_'),
        weekdaysMin: 'D_H_Ma_Më_E_P_Sh'.split('_'),
        weekdaysParseExact: true,
        meridiemParse: /PD|MD/,
        isPM: function (input) {
            return input.charAt(0) === 'M';
        },
        meridiem: function (hours, minutes, isLower) {
            return hours < 12 ? 'PD' : 'MD';
        },
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY HH:mm',
            LLLL: 'dddd, D MMMM YYYY HH:mm',
        },
        calendar: {
            sameDay: '[Sot në] LT',
            nextDay: '[Nesër në] LT',
            nextWeek: 'dddd [në] LT',
            lastDay: '[Dje në] LT',
            lastWeek: 'dddd [e kaluar në] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'në %s',
            past: '%s më parë',
            s: 'disa sekonda',
            ss: '%d sekonda',
            m: 'një minutë',
            mm: '%d minuta',
            h: 'një orë',
            hh: '%d orë',
            d: 'një ditë',
            dd: '%d ditë',
            M: 'një muaj',
            MM: '%d muaj',
            y: 'një vit',
            yy: '%d vite',
        },
        dayOfMonthOrdinalParse: /\d{1,2}\./,
        ordinal: '%d.',
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    var translator$1 = {
        words: {
            //Different grammatical cases
            ss: ['секунда', 'секунде', 'секунди'],
            m: ['један минут', 'једног минута'],
            mm: ['минут', 'минута', 'минута'],
            h: ['један сат', 'једног сата'],
            hh: ['сат', 'сата', 'сати'],
            d: ['један дан', 'једног дана'],
            dd: ['дан', 'дана', 'дана'],
            M: ['један месец', 'једног месеца'],
            MM: ['месец', 'месеца', 'месеци'],
            y: ['једну годину', 'једне године'],
            yy: ['годину', 'године', 'година'],
        },
        correctGrammaticalCase: function (number, wordKey) {
            if (
                number % 10 >= 1 &&
                number % 10 <= 4 &&
                (number % 100 < 10 || number % 100 >= 20)
            ) {
                return number % 10 === 1 ? wordKey[0] : wordKey[1];
            }
            return wordKey[2];
        },
        translate: function (number, withoutSuffix, key, isFuture) {
            var wordKey = translator$1.words[key],
                word;

            if (key.length === 1) {
                // Nominativ
                if (key === 'y' && withoutSuffix) return 'једна година';
                return isFuture || withoutSuffix ? wordKey[0] : wordKey[1];
            }

            word = translator$1.correctGrammaticalCase(number, wordKey);
            // Nominativ
            if (key === 'yy' && withoutSuffix && word === 'годину') {
                return number + ' година';
            }

            return number + ' ' + word;
        },
    };

    hooks.defineLocale('sr-cyrl', {
        months: 'јануар_фебруар_март_април_мај_јун_јул_август_септембар_октобар_новембар_децембар'.split(
            '_'
        ),
        monthsShort:
            'јан._феб._мар._апр._мај_јун_јул_авг._сеп._окт._нов._дец.'.split('_'),
        monthsParseExact: true,
        weekdays: 'недеља_понедељак_уторак_среда_четвртак_петак_субота'.split('_'),
        weekdaysShort: 'нед._пон._уто._сре._чет._пет._суб.'.split('_'),
        weekdaysMin: 'не_по_ут_ср_че_пе_су'.split('_'),
        weekdaysParseExact: true,
        longDateFormat: {
            LT: 'H:mm',
            LTS: 'H:mm:ss',
            L: 'D. M. YYYY.',
            LL: 'D. MMMM YYYY.',
            LLL: 'D. MMMM YYYY. H:mm',
            LLLL: 'dddd, D. MMMM YYYY. H:mm',
        },
        calendar: {
            sameDay: '[данас у] LT',
            nextDay: '[сутра у] LT',
            nextWeek: function () {
                switch (this.day()) {
                    case 0:
                        return '[у] [недељу] [у] LT';
                    case 3:
                        return '[у] [среду] [у] LT';
                    case 6:
                        return '[у] [суботу] [у] LT';
                    case 1:
                    case 2:
                    case 4:
                    case 5:
                        return '[у] dddd [у] LT';
                }
            },
            lastDay: '[јуче у] LT',
            lastWeek: function () {
                var lastWeekDays = [
                    '[прошле] [недеље] [у] LT',
                    '[прошлог] [понедељка] [у] LT',
                    '[прошлог] [уторка] [у] LT',
                    '[прошле] [среде] [у] LT',
                    '[прошлог] [четвртка] [у] LT',
                    '[прошлог] [петка] [у] LT',
                    '[прошле] [суботе] [у] LT',
                ];
                return lastWeekDays[this.day()];
            },
            sameElse: 'L',
        },
        relativeTime: {
            future: 'за %s',
            past: 'пре %s',
            s: 'неколико секунди',
            ss: translator$1.translate,
            m: translator$1.translate,
            mm: translator$1.translate,
            h: translator$1.translate,
            hh: translator$1.translate,
            d: translator$1.translate,
            dd: translator$1.translate,
            M: translator$1.translate,
            MM: translator$1.translate,
            y: translator$1.translate,
            yy: translator$1.translate,
        },
        dayOfMonthOrdinalParse: /\d{1,2}\./,
        ordinal: '%d.',
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 7, // The week that contains Jan 1st is the first week of the year.
        },
    });

    //! moment.js locale configuration

    var translator$2 = {
        words: {
            //Different grammatical cases
            ss: ['sekunda', 'sekunde', 'sekundi'],
            m: ['jedan minut', 'jednog minuta'],
            mm: ['minut', 'minuta', 'minuta'],
            h: ['jedan sat', 'jednog sata'],
            hh: ['sat', 'sata', 'sati'],
            d: ['jedan dan', 'jednog dana'],
            dd: ['dan', 'dana', 'dana'],
            M: ['jedan mesec', 'jednog meseca'],
            MM: ['mesec', 'meseca', 'meseci'],
            y: ['jednu godinu', 'jedne godine'],
            yy: ['godinu', 'godine', 'godina'],
        },
        correctGrammaticalCase: function (number, wordKey) {
            if (
                number % 10 >= 1 &&
                number % 10 <= 4 &&
                (number % 100 < 10 || number % 100 >= 20)
            ) {
                return number % 10 === 1 ? wordKey[0] : wordKey[1];
            }
            return wordKey[2];
        },
        translate: function (number, withoutSuffix, key, isFuture) {
            var wordKey = translator$2.words[key],
                word;

            if (key.length === 1) {
                // Nominativ
                if (key === 'y' && withoutSuffix) return 'jedna godina';
                return isFuture || withoutSuffix ? wordKey[0] : wordKey[1];
            }

            word = translator$2.correctGrammaticalCase(number, wordKey);
            // Nominativ
            if (key === 'yy' && withoutSuffix && word === 'godinu') {
                return number + ' godina';
            }

            return number + ' ' + word;
        },
    };

    hooks.defineLocale('sr', {
        months: 'januar_februar_mart_april_maj_jun_jul_avgust_septembar_oktobar_novembar_decembar'.split(
            '_'
        ),
        monthsShort:
            'jan._feb._mar._apr._maj_jun_jul_avg._sep._okt._nov._dec.'.split('_'),
        monthsParseExact: true,
        weekdays: 'nedelja_ponedeljak_utorak_sreda_četvrtak_petak_subota'.split(
            '_'
        ),
        weekdaysShort: 'ned._pon._uto._sre._čet._pet._sub.'.split('_'),
        weekdaysMin: 'ne_po_ut_sr_če_pe_su'.split('_'),
        weekdaysParseExact: true,
        longDateFormat: {
            LT: 'H:mm',
            LTS: 'H:mm:ss',
            L: 'D. M. YYYY.',
            LL: 'D. MMMM YYYY.',
            LLL: 'D. MMMM YYYY. H:mm',
            LLLL: 'dddd, D. MMMM YYYY. H:mm',
        },
        calendar: {
            sameDay: '[danas u] LT',
            nextDay: '[sutra u] LT',
            nextWeek: function () {
                switch (this.day()) {
                    case 0:
                        return '[u] [nedelju] [u] LT';
                    case 3:
                        return '[u] [sredu] [u] LT';
                    case 6:
                        return '[u] [subotu] [u] LT';
                    case 1:
                    case 2:
                    case 4:
                    case 5:
                        return '[u] dddd [u] LT';
                }
            },
            lastDay: '[juče u] LT',
            lastWeek: function () {
                var lastWeekDays = [
                    '[prošle] [nedelje] [u] LT',
                    '[prošlog] [ponedeljka] [u] LT',
                    '[prošlog] [utorka] [u] LT',
                    '[prošle] [srede] [u] LT',
                    '[prošlog] [četvrtka] [u] LT',
                    '[prošlog] [petka] [u] LT',
                    '[prošle] [subote] [u] LT',
                ];
                return lastWeekDays[this.day()];
            },
            sameElse: 'L',
        },
        relativeTime: {
            future: 'za %s',
            past: 'pre %s',
            s: 'nekoliko sekundi',
            ss: translator$2.translate,
            m: translator$2.translate,
            mm: translator$2.translate,
            h: translator$2.translate,
            hh: translator$2.translate,
            d: translator$2.translate,
            dd: translator$2.translate,
            M: translator$2.translate,
            MM: translator$2.translate,
            y: translator$2.translate,
            yy: translator$2.translate,
        },
        dayOfMonthOrdinalParse: /\d{1,2}\./,
        ordinal: '%d.',
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 7, // The week that contains Jan 7th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('ss', {
        months: "Bhimbidvwane_Indlovana_Indlov'lenkhulu_Mabasa_Inkhwekhweti_Inhlaba_Kholwane_Ingci_Inyoni_Imphala_Lweti_Ingongoni".split(
            '_'
        ),
        monthsShort: 'Bhi_Ina_Inu_Mab_Ink_Inh_Kho_Igc_Iny_Imp_Lwe_Igo'.split('_'),
        weekdays:
            'Lisontfo_Umsombuluko_Lesibili_Lesitsatfu_Lesine_Lesihlanu_Umgcibelo'.split(
                '_'
            ),
        weekdaysShort: 'Lis_Umb_Lsb_Les_Lsi_Lsh_Umg'.split('_'),
        weekdaysMin: 'Li_Us_Lb_Lt_Ls_Lh_Ug'.split('_'),
        weekdaysParseExact: true,
        longDateFormat: {
            LT: 'h:mm A',
            LTS: 'h:mm:ss A',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY h:mm A',
            LLLL: 'dddd, D MMMM YYYY h:mm A',
        },
        calendar: {
            sameDay: '[Namuhla nga] LT',
            nextDay: '[Kusasa nga] LT',
            nextWeek: 'dddd [nga] LT',
            lastDay: '[Itolo nga] LT',
            lastWeek: 'dddd [leliphelile] [nga] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'nga %s',
            past: 'wenteka nga %s',
            s: 'emizuzwana lomcane',
            ss: '%d mzuzwana',
            m: 'umzuzu',
            mm: '%d emizuzu',
            h: 'lihora',
            hh: '%d emahora',
            d: 'lilanga',
            dd: '%d emalanga',
            M: 'inyanga',
            MM: '%d tinyanga',
            y: 'umnyaka',
            yy: '%d iminyaka',
        },
        meridiemParse: /ekuseni|emini|entsambama|ebusuku/,
        meridiem: function (hours, minutes, isLower) {
            if (hours < 11) {
                return 'ekuseni';
            } else if (hours < 15) {
                return 'emini';
            } else if (hours < 19) {
                return 'entsambama';
            } else {
                return 'ebusuku';
            }
        },
        meridiemHour: function (hour, meridiem) {
            if (hour === 12) {
                hour = 0;
            }
            if (meridiem === 'ekuseni') {
                return hour;
            } else if (meridiem === 'emini') {
                return hour >= 11 ? hour : hour + 12;
            } else if (meridiem === 'entsambama' || meridiem === 'ebusuku') {
                if (hour === 0) {
                    return 0;
                }
                return hour + 12;
            }
        },
        dayOfMonthOrdinalParse: /\d{1,2}/,
        ordinal: '%d',
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('sv', {
        months: 'januari_februari_mars_april_maj_juni_juli_augusti_september_oktober_november_december'.split(
            '_'
        ),
        monthsShort: 'jan_feb_mar_apr_maj_jun_jul_aug_sep_okt_nov_dec'.split('_'),
        weekdays: 'söndag_måndag_tisdag_onsdag_torsdag_fredag_lördag'.split('_'),
        weekdaysShort: 'sön_mån_tis_ons_tor_fre_lör'.split('_'),
        weekdaysMin: 'sö_må_ti_on_to_fr_lö'.split('_'),
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'YYYY-MM-DD',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY [kl.] HH:mm',
            LLLL: 'dddd D MMMM YYYY [kl.] HH:mm',
            lll: 'D MMM YYYY HH:mm',
            llll: 'ddd D MMM YYYY HH:mm',
        },
        calendar: {
            sameDay: '[Idag] LT',
            nextDay: '[Imorgon] LT',
            lastDay: '[Igår] LT',
            nextWeek: '[På] dddd LT',
            lastWeek: '[I] dddd[s] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'om %s',
            past: 'för %s sedan',
            s: 'några sekunder',
            ss: '%d sekunder',
            m: 'en minut',
            mm: '%d minuter',
            h: 'en timme',
            hh: '%d timmar',
            d: 'en dag',
            dd: '%d dagar',
            M: 'en månad',
            MM: '%d månader',
            y: 'ett år',
            yy: '%d år',
        },
        dayOfMonthOrdinalParse: /\d{1,2}(\:e|\:a)/,
        ordinal: function (number) {
            var b = number % 10,
                output =
                    ~~((number % 100) / 10) === 1
                        ? ':e'
                        : b === 1
                        ? ':a'
                        : b === 2
                        ? ':a'
                        : b === 3
                        ? ':e'
                        : ':e';
            return number + output;
        },
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('sw', {
        months: 'Januari_Februari_Machi_Aprili_Mei_Juni_Julai_Agosti_Septemba_Oktoba_Novemba_Desemba'.split(
            '_'
        ),
        monthsShort: 'Jan_Feb_Mac_Apr_Mei_Jun_Jul_Ago_Sep_Okt_Nov_Des'.split('_'),
        weekdays:
            'Jumapili_Jumatatu_Jumanne_Jumatano_Alhamisi_Ijumaa_Jumamosi'.split(
                '_'
            ),
        weekdaysShort: 'Jpl_Jtat_Jnne_Jtan_Alh_Ijm_Jmos'.split('_'),
        weekdaysMin: 'J2_J3_J4_J5_Al_Ij_J1'.split('_'),
        weekdaysParseExact: true,
        longDateFormat: {
            LT: 'hh:mm A',
            LTS: 'HH:mm:ss',
            L: 'DD.MM.YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY HH:mm',
            LLLL: 'dddd, D MMMM YYYY HH:mm',
        },
        calendar: {
            sameDay: '[leo saa] LT',
            nextDay: '[kesho saa] LT',
            nextWeek: '[wiki ijayo] dddd [saat] LT',
            lastDay: '[jana] LT',
            lastWeek: '[wiki iliyopita] dddd [saat] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: '%s baadaye',
            past: 'tokea %s',
            s: 'hivi punde',
            ss: 'sekunde %d',
            m: 'dakika moja',
            mm: 'dakika %d',
            h: 'saa limoja',
            hh: 'masaa %d',
            d: 'siku moja',
            dd: 'siku %d',
            M: 'mwezi mmoja',
            MM: 'miezi %d',
            y: 'mwaka mmoja',
            yy: 'miaka %d',
        },
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 7, // The week that contains Jan 7th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    var symbolMap$g = {
            1: '௧',
            2: '௨',
            3: '௩',
            4: '௪',
            5: '௫',
            6: '௬',
            7: '௭',
            8: '௮',
            9: '௯',
            0: '௦',
        },
        numberMap$f = {
            '௧': '1',
            '௨': '2',
            '௩': '3',
            '௪': '4',
            '௫': '5',
            '௬': '6',
            '௭': '7',
            '௮': '8',
            '௯': '9',
            '௦': '0',
        };

    hooks.defineLocale('ta', {
        months: 'ஜனவரி_பிப்ரவரி_மார்ச்_ஏப்ரல்_மே_ஜூன்_ஜூலை_ஆகஸ்ட்_செப்டெம்பர்_அக்டோபர்_நவம்பர்_டிசம்பர்'.split(
            '_'
        ),
        monthsShort:
            'ஜனவரி_பிப்ரவரி_மார்ச்_ஏப்ரல்_மே_ஜூன்_ஜூலை_ஆகஸ்ட்_செப்டெம்பர்_அக்டோபர்_நவம்பர்_டிசம்பர்'.split(
                '_'
            ),
        weekdays:
            'ஞாயிற்றுக்கிழமை_திங்கட்கிழமை_செவ்வாய்கிழமை_புதன்கிழமை_வியாழக்கிழமை_வெள்ளிக்கிழமை_சனிக்கிழமை'.split(
                '_'
            ),
        weekdaysShort: 'ஞாயிறு_திங்கள்_செவ்வாய்_புதன்_வியாழன்_வெள்ளி_சனி'.split(
            '_'
        ),
        weekdaysMin: 'ஞா_தி_செ_பு_வி_வெ_ச'.split('_'),
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY, HH:mm',
            LLLL: 'dddd, D MMMM YYYY, HH:mm',
        },
        calendar: {
            sameDay: '[இன்று] LT',
            nextDay: '[நாளை] LT',
            nextWeek: 'dddd, LT',
            lastDay: '[நேற்று] LT',
            lastWeek: '[கடந்த வாரம்] dddd, LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: '%s இல்',
            past: '%s முன்',
            s: 'ஒரு சில விநாடிகள்',
            ss: '%d விநாடிகள்',
            m: 'ஒரு நிமிடம்',
            mm: '%d நிமிடங்கள்',
            h: 'ஒரு மணி நேரம்',
            hh: '%d மணி நேரம்',
            d: 'ஒரு நாள்',
            dd: '%d நாட்கள்',
            M: 'ஒரு மாதம்',
            MM: '%d மாதங்கள்',
            y: 'ஒரு வருடம்',
            yy: '%d ஆண்டுகள்',
        },
        dayOfMonthOrdinalParse: /\d{1,2}வது/,
        ordinal: function (number) {
            return number + 'வது';
        },
        preparse: function (string) {
            return string.replace(/[௧௨௩௪௫௬௭௮௯௦]/g, function (match) {
                return numberMap$f[match];
            });
        },
        postformat: function (string) {
            return string.replace(/\d/g, function (match) {
                return symbolMap$g[match];
            });
        },
        // refer http://ta.wikipedia.org/s/1er1
        meridiemParse: /யாமம்|வைகறை|காலை|நண்பகல்|எற்பாடு|மாலை/,
        meridiem: function (hour, minute, isLower) {
            if (hour < 2) {
                return ' யாமம்';
            } else if (hour < 6) {
                return ' வைகறை'; // வைகறை
            } else if (hour < 10) {
                return ' காலை'; // காலை
            } else if (hour < 14) {
                return ' நண்பகல்'; // நண்பகல்
            } else if (hour < 18) {
                return ' எற்பாடு'; // எற்பாடு
            } else if (hour < 22) {
                return ' மாலை'; // மாலை
            } else {
                return ' யாமம்';
            }
        },
        meridiemHour: function (hour, meridiem) {
            if (hour === 12) {
                hour = 0;
            }
            if (meridiem === 'யாமம்') {
                return hour < 2 ? hour : hour + 12;
            } else if (meridiem === 'வைகறை' || meridiem === 'காலை') {
                return hour;
            } else if (meridiem === 'நண்பகல்') {
                return hour >= 10 ? hour : hour + 12;
            } else {
                return hour + 12;
            }
        },
        week: {
            dow: 0, // Sunday is the first day of the week.
            doy: 6, // The week that contains Jan 6th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('te', {
        months: 'జనవరి_ఫిబ్రవరి_మార్చి_ఏప్రిల్_మే_జూన్_జులై_ఆగస్టు_సెప్టెంబర్_అక్టోబర్_నవంబర్_డిసెంబర్'.split(
            '_'
        ),
        monthsShort:
            'జన._ఫిబ్ర._మార్చి_ఏప్రి._మే_జూన్_జులై_ఆగ._సెప్._అక్టో._నవ._డిసె.'.split(
                '_'
            ),
        monthsParseExact: true,
        weekdays:
            'ఆదివారం_సోమవారం_మంగళవారం_బుధవారం_గురువారం_శుక్రవారం_శనివారం'.split(
                '_'
            ),
        weekdaysShort: 'ఆది_సోమ_మంగళ_బుధ_గురు_శుక్ర_శని'.split('_'),
        weekdaysMin: 'ఆ_సో_మం_బు_గు_శు_శ'.split('_'),
        longDateFormat: {
            LT: 'A h:mm',
            LTS: 'A h:mm:ss',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY, A h:mm',
            LLLL: 'dddd, D MMMM YYYY, A h:mm',
        },
        calendar: {
            sameDay: '[నేడు] LT',
            nextDay: '[రేపు] LT',
            nextWeek: 'dddd, LT',
            lastDay: '[నిన్న] LT',
            lastWeek: '[గత] dddd, LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: '%s లో',
            past: '%s క్రితం',
            s: 'కొన్ని క్షణాలు',
            ss: '%d సెకన్లు',
            m: 'ఒక నిమిషం',
            mm: '%d నిమిషాలు',
            h: 'ఒక గంట',
            hh: '%d గంటలు',
            d: 'ఒక రోజు',
            dd: '%d రోజులు',
            M: 'ఒక నెల',
            MM: '%d నెలలు',
            y: 'ఒక సంవత్సరం',
            yy: '%d సంవత్సరాలు',
        },
        dayOfMonthOrdinalParse: /\d{1,2}వ/,
        ordinal: '%dవ',
        meridiemParse: /రాత్రి|ఉదయం|మధ్యాహ్నం|సాయంత్రం/,
        meridiemHour: function (hour, meridiem) {
            if (hour === 12) {
                hour = 0;
            }
            if (meridiem === 'రాత్రి') {
                return hour < 4 ? hour : hour + 12;
            } else if (meridiem === 'ఉదయం') {
                return hour;
            } else if (meridiem === 'మధ్యాహ్నం') {
                return hour >= 10 ? hour : hour + 12;
            } else if (meridiem === 'సాయంత్రం') {
                return hour + 12;
            }
        },
        meridiem: function (hour, minute, isLower) {
            if (hour < 4) {
                return 'రాత్రి';
            } else if (hour < 10) {
                return 'ఉదయం';
            } else if (hour < 17) {
                return 'మధ్యాహ్నం';
            } else if (hour < 20) {
                return 'సాయంత్రం';
            } else {
                return 'రాత్రి';
            }
        },
        week: {
            dow: 0, // Sunday is the first day of the week.
            doy: 6, // The week that contains Jan 6th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('tet', {
        months: 'Janeiru_Fevereiru_Marsu_Abril_Maiu_Juñu_Jullu_Agustu_Setembru_Outubru_Novembru_Dezembru'.split(
            '_'
        ),
        monthsShort: 'Jan_Fev_Mar_Abr_Mai_Jun_Jul_Ago_Set_Out_Nov_Dez'.split('_'),
        weekdays: 'Domingu_Segunda_Tersa_Kuarta_Kinta_Sesta_Sabadu'.split('_'),
        weekdaysShort: 'Dom_Seg_Ters_Kua_Kint_Sest_Sab'.split('_'),
        weekdaysMin: 'Do_Seg_Te_Ku_Ki_Ses_Sa'.split('_'),
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY HH:mm',
            LLLL: 'dddd, D MMMM YYYY HH:mm',
        },
        calendar: {
            sameDay: '[Ohin iha] LT',
            nextDay: '[Aban iha] LT',
            nextWeek: 'dddd [iha] LT',
            lastDay: '[Horiseik iha] LT',
            lastWeek: 'dddd [semana kotuk] [iha] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'iha %s',
            past: '%s liuba',
            s: 'segundu balun',
            ss: 'segundu %d',
            m: 'minutu ida',
            mm: 'minutu %d',
            h: 'oras ida',
            hh: 'oras %d',
            d: 'loron ida',
            dd: 'loron %d',
            M: 'fulan ida',
            MM: 'fulan %d',
            y: 'tinan ida',
            yy: 'tinan %d',
        },
        dayOfMonthOrdinalParse: /\d{1,2}(st|nd|rd|th)/,
        ordinal: function (number) {
            var b = number % 10,
                output =
                    ~~((number % 100) / 10) === 1
                        ? 'th'
                        : b === 1
                        ? 'st'
                        : b === 2
                        ? 'nd'
                        : b === 3
                        ? 'rd'
                        : 'th';
            return number + output;
        },
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    var suffixes$3 = {
        0: '-ум',
        1: '-ум',
        2: '-юм',
        3: '-юм',
        4: '-ум',
        5: '-ум',
        6: '-ум',
        7: '-ум',
        8: '-ум',
        9: '-ум',
        10: '-ум',
        12: '-ум',
        13: '-ум',
        20: '-ум',
        30: '-юм',
        40: '-ум',
        50: '-ум',
        60: '-ум',
        70: '-ум',
        80: '-ум',
        90: '-ум',
        100: '-ум',
    };

    hooks.defineLocale('tg', {
        months: {
            format: 'январи_феврали_марти_апрели_майи_июни_июли_августи_сентябри_октябри_ноябри_декабри'.split(
                '_'
            ),
            standalone:
                'январ_феврал_март_апрел_май_июн_июл_август_сентябр_октябр_ноябр_декабр'.split(
                    '_'
                ),
        },
        monthsShort: 'янв_фев_мар_апр_май_июн_июл_авг_сен_окт_ноя_дек'.split('_'),
        weekdays: 'якшанбе_душанбе_сешанбе_чоршанбе_панҷшанбе_ҷумъа_шанбе'.split(
            '_'
        ),
        weekdaysShort: 'яшб_дшб_сшб_чшб_пшб_ҷум_шнб'.split('_'),
        weekdaysMin: 'яш_дш_сш_чш_пш_ҷм_шб'.split('_'),
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD.MM.YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY HH:mm',
            LLLL: 'dddd, D MMMM YYYY HH:mm',
        },
        calendar: {
            sameDay: '[Имрӯз соати] LT',
            nextDay: '[Фардо соати] LT',
            lastDay: '[Дирӯз соати] LT',
            nextWeek: 'dddd[и] [ҳафтаи оянда соати] LT',
            lastWeek: 'dddd[и] [ҳафтаи гузашта соати] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'баъди %s',
            past: '%s пеш',
            s: 'якчанд сония',
            m: 'як дақиқа',
            mm: '%d дақиқа',
            h: 'як соат',
            hh: '%d соат',
            d: 'як рӯз',
            dd: '%d рӯз',
            M: 'як моҳ',
            MM: '%d моҳ',
            y: 'як сол',
            yy: '%d сол',
        },
        meridiemParse: /шаб|субҳ|рӯз|бегоҳ/,
        meridiemHour: function (hour, meridiem) {
            if (hour === 12) {
                hour = 0;
            }
            if (meridiem === 'шаб') {
                return hour < 4 ? hour : hour + 12;
            } else if (meridiem === 'субҳ') {
                return hour;
            } else if (meridiem === 'рӯз') {
                return hour >= 11 ? hour : hour + 12;
            } else if (meridiem === 'бегоҳ') {
                return hour + 12;
            }
        },
        meridiem: function (hour, minute, isLower) {
            if (hour < 4) {
                return 'шаб';
            } else if (hour < 11) {
                return 'субҳ';
            } else if (hour < 16) {
                return 'рӯз';
            } else if (hour < 19) {
                return 'бегоҳ';
            } else {
                return 'шаб';
            }
        },
        dayOfMonthOrdinalParse: /\d{1,2}-(ум|юм)/,
        ordinal: function (number) {
            var a = number % 10,
                b = number >= 100 ? 100 : null;
            return number + (suffixes$3[number] || suffixes$3[a] || suffixes$3[b]);
        },
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 7, // The week that contains Jan 1th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('th', {
        months: 'มกราคม_กุมภาพันธ์_มีนาคม_เมษายน_พฤษภาคม_มิถุนายน_กรกฎาคม_สิงหาคม_กันยายน_ตุลาคม_พฤศจิกายน_ธันวาคม'.split(
            '_'
        ),
        monthsShort:
            'ม.ค._ก.พ._มี.ค._เม.ย._พ.ค._มิ.ย._ก.ค._ส.ค._ก.ย._ต.ค._พ.ย._ธ.ค.'.split(
                '_'
            ),
        monthsParseExact: true,
        weekdays: 'อาทิตย์_จันทร์_อังคาร_พุธ_พฤหัสบดี_ศุกร์_เสาร์'.split('_'),
        weekdaysShort: 'อาทิตย์_จันทร์_อังคาร_พุธ_พฤหัส_ศุกร์_เสาร์'.split('_'), // yes, three characters difference
        weekdaysMin: 'อา._จ._อ._พ._พฤ._ศ._ส.'.split('_'),
        weekdaysParseExact: true,
        longDateFormat: {
            LT: 'H:mm',
            LTS: 'H:mm:ss',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY เวลา H:mm',
            LLLL: 'วันddddที่ D MMMM YYYY เวลา H:mm',
        },
        meridiemParse: /ก่อนเที่ยง|หลังเที่ยง/,
        isPM: function (input) {
            return input === 'หลังเที่ยง';
        },
        meridiem: function (hour, minute, isLower) {
            if (hour < 12) {
                return 'ก่อนเที่ยง';
            } else {
                return 'หลังเที่ยง';
            }
        },
        calendar: {
            sameDay: '[วันนี้ เวลา] LT',
            nextDay: '[พรุ่งนี้ เวลา] LT',
            nextWeek: 'dddd[หน้า เวลา] LT',
            lastDay: '[เมื่อวานนี้ เวลา] LT',
            lastWeek: '[วัน]dddd[ที่แล้ว เวลา] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'อีก %s',
            past: '%sที่แล้ว',
            s: 'ไม่กี่วินาที',
            ss: '%d วินาที',
            m: '1 นาที',
            mm: '%d นาที',
            h: '1 ชั่วโมง',
            hh: '%d ชั่วโมง',
            d: '1 วัน',
            dd: '%d วัน',
            w: '1 สัปดาห์',
            ww: '%d สัปดาห์',
            M: '1 เดือน',
            MM: '%d เดือน',
            y: '1 ปี',
            yy: '%d ปี',
        },
    });

    //! moment.js locale configuration

    var suffixes$4 = {
        1: "'inji",
        5: "'inji",
        8: "'inji",
        70: "'inji",
        80: "'inji",
        2: "'nji",
        7: "'nji",
        20: "'nji",
        50: "'nji",
        3: "'ünji",
        4: "'ünji",
        100: "'ünji",
        6: "'njy",
        9: "'unjy",
        10: "'unjy",
        30: "'unjy",
        60: "'ynjy",
        90: "'ynjy",
    };

    hooks.defineLocale('tk', {
        months: 'Ýanwar_Fewral_Mart_Aprel_Maý_Iýun_Iýul_Awgust_Sentýabr_Oktýabr_Noýabr_Dekabr'.split(
            '_'
        ),
        monthsShort: 'Ýan_Few_Mar_Apr_Maý_Iýn_Iýl_Awg_Sen_Okt_Noý_Dek'.split('_'),
        weekdays: 'Ýekşenbe_Duşenbe_Sişenbe_Çarşenbe_Penşenbe_Anna_Şenbe'.split(
            '_'
        ),
        weekdaysShort: 'Ýek_Duş_Siş_Çar_Pen_Ann_Şen'.split('_'),
        weekdaysMin: 'Ýk_Dş_Sş_Çr_Pn_An_Şn'.split('_'),
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD.MM.YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY HH:mm',
            LLLL: 'dddd, D MMMM YYYY HH:mm',
        },
        calendar: {
            sameDay: '[bugün sagat] LT',
            nextDay: '[ertir sagat] LT',
            nextWeek: '[indiki] dddd [sagat] LT',
            lastDay: '[düýn] LT',
            lastWeek: '[geçen] dddd [sagat] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: '%s soň',
            past: '%s öň',
            s: 'birnäçe sekunt',
            m: 'bir minut',
            mm: '%d minut',
            h: 'bir sagat',
            hh: '%d sagat',
            d: 'bir gün',
            dd: '%d gün',
            M: 'bir aý',
            MM: '%d aý',
            y: 'bir ýyl',
            yy: '%d ýyl',
        },
        ordinal: function (number, period) {
            switch (period) {
                case 'd':
                case 'D':
                case 'Do':
                case 'DD':
                    return number;
                default:
                    if (number === 0) {
                        // special case for zero
                        return number + "'unjy";
                    }
                    var a = number % 10,
                        b = (number % 100) - a,
                        c = number >= 100 ? 100 : null;
                    return number + (suffixes$4[a] || suffixes$4[b] || suffixes$4[c]);
            }
        },
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 7, // The week that contains Jan 7th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('tl-ph', {
        months: 'Enero_Pebrero_Marso_Abril_Mayo_Hunyo_Hulyo_Agosto_Setyembre_Oktubre_Nobyembre_Disyembre'.split(
            '_'
        ),
        monthsShort: 'Ene_Peb_Mar_Abr_May_Hun_Hul_Ago_Set_Okt_Nob_Dis'.split('_'),
        weekdays: 'Linggo_Lunes_Martes_Miyerkules_Huwebes_Biyernes_Sabado'.split(
            '_'
        ),
        weekdaysShort: 'Lin_Lun_Mar_Miy_Huw_Biy_Sab'.split('_'),
        weekdaysMin: 'Li_Lu_Ma_Mi_Hu_Bi_Sab'.split('_'),
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'MM/D/YYYY',
            LL: 'MMMM D, YYYY',
            LLL: 'MMMM D, YYYY HH:mm',
            LLLL: 'dddd, MMMM DD, YYYY HH:mm',
        },
        calendar: {
            sameDay: 'LT [ngayong araw]',
            nextDay: '[Bukas ng] LT',
            nextWeek: 'LT [sa susunod na] dddd',
            lastDay: 'LT [kahapon]',
            lastWeek: 'LT [noong nakaraang] dddd',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'sa loob ng %s',
            past: '%s ang nakalipas',
            s: 'ilang segundo',
            ss: '%d segundo',
            m: 'isang minuto',
            mm: '%d minuto',
            h: 'isang oras',
            hh: '%d oras',
            d: 'isang araw',
            dd: '%d araw',
            M: 'isang buwan',
            MM: '%d buwan',
            y: 'isang taon',
            yy: '%d taon',
        },
        dayOfMonthOrdinalParse: /\d{1,2}/,
        ordinal: function (number) {
            return number;
        },
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    var numbersNouns = 'pagh_wa’_cha’_wej_loS_vagh_jav_Soch_chorgh_Hut'.split('_');

    function translateFuture(output) {
        var time = output;
        time =
            output.indexOf('jaj') !== -1
                ? time.slice(0, -3) + 'leS'
                : output.indexOf('jar') !== -1
                ? time.slice(0, -3) + 'waQ'
                : output.indexOf('DIS') !== -1
                ? time.slice(0, -3) + 'nem'
                : time + ' pIq';
        return time;
    }

    function translatePast(output) {
        var time = output;
        time =
            output.indexOf('jaj') !== -1
                ? time.slice(0, -3) + 'Hu’'
                : output.indexOf('jar') !== -1
                ? time.slice(0, -3) + 'wen'
                : output.indexOf('DIS') !== -1
                ? time.slice(0, -3) + 'ben'
                : time + ' ret';
        return time;
    }

    function translate$a(number, withoutSuffix, string, isFuture) {
        var numberNoun = numberAsNoun(number);
        switch (string) {
            case 'ss':
                return numberNoun + ' lup';
            case 'mm':
                return numberNoun + ' tup';
            case 'hh':
                return numberNoun + ' rep';
            case 'dd':
                return numberNoun + ' jaj';
            case 'MM':
                return numberNoun + ' jar';
            case 'yy':
                return numberNoun + ' DIS';
        }
    }

    function numberAsNoun(number) {
        var hundred = Math.floor((number % 1000) / 100),
            ten = Math.floor((number % 100) / 10),
            one = number % 10,
            word = '';
        if (hundred > 0) {
            word += numbersNouns[hundred] + 'vatlh';
        }
        if (ten > 0) {
            word += (word !== '' ? ' ' : '') + numbersNouns[ten] + 'maH';
        }
        if (one > 0) {
            word += (word !== '' ? ' ' : '') + numbersNouns[one];
        }
        return word === '' ? 'pagh' : word;
    }

    hooks.defineLocale('tlh', {
        months: 'tera’ jar wa’_tera’ jar cha’_tera’ jar wej_tera’ jar loS_tera’ jar vagh_tera’ jar jav_tera’ jar Soch_tera’ jar chorgh_tera’ jar Hut_tera’ jar wa’maH_tera’ jar wa’maH wa’_tera’ jar wa’maH cha’'.split(
            '_'
        ),
        monthsShort:
            'jar wa’_jar cha’_jar wej_jar loS_jar vagh_jar jav_jar Soch_jar chorgh_jar Hut_jar wa’maH_jar wa’maH wa’_jar wa’maH cha’'.split(
                '_'
            ),
        monthsParseExact: true,
        weekdays: 'lojmItjaj_DaSjaj_povjaj_ghItlhjaj_loghjaj_buqjaj_ghInjaj'.split(
            '_'
        ),
        weekdaysShort:
            'lojmItjaj_DaSjaj_povjaj_ghItlhjaj_loghjaj_buqjaj_ghInjaj'.split('_'),
        weekdaysMin:
            'lojmItjaj_DaSjaj_povjaj_ghItlhjaj_loghjaj_buqjaj_ghInjaj'.split('_'),
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD.MM.YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY HH:mm',
            LLLL: 'dddd, D MMMM YYYY HH:mm',
        },
        calendar: {
            sameDay: '[DaHjaj] LT',
            nextDay: '[wa’leS] LT',
            nextWeek: 'LLL',
            lastDay: '[wa’Hu’] LT',
            lastWeek: 'LLL',
            sameElse: 'L',
        },
        relativeTime: {
            future: translateFuture,
            past: translatePast,
            s: 'puS lup',
            ss: translate$a,
            m: 'wa’ tup',
            mm: translate$a,
            h: 'wa’ rep',
            hh: translate$a,
            d: 'wa’ jaj',
            dd: translate$a,
            M: 'wa’ jar',
            MM: translate$a,
            y: 'wa’ DIS',
            yy: translate$a,
        },
        dayOfMonthOrdinalParse: /\d{1,2}\./,
        ordinal: '%d.',
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    var suffixes$5 = {
        1: "'inci",
        5: "'inci",
        8: "'inci",
        70: "'inci",
        80: "'inci",
        2: "'nci",
        7: "'nci",
        20: "'nci",
        50: "'nci",
        3: "'üncü",
        4: "'üncü",
        100: "'üncü",
        6: "'ncı",
        9: "'uncu",
        10: "'uncu",
        30: "'uncu",
        60: "'ıncı",
        90: "'ıncı",
    };

    hooks.defineLocale('tr', {
        months: 'Ocak_Şubat_Mart_Nisan_Mayıs_Haziran_Temmuz_Ağustos_Eylül_Ekim_Kasım_Aralık'.split(
            '_'
        ),
        monthsShort: 'Oca_Şub_Mar_Nis_May_Haz_Tem_Ağu_Eyl_Eki_Kas_Ara'.split('_'),
        weekdays: 'Pazar_Pazartesi_Salı_Çarşamba_Perşembe_Cuma_Cumartesi'.split(
            '_'
        ),
        weekdaysShort: 'Paz_Pzt_Sal_Çar_Per_Cum_Cmt'.split('_'),
        weekdaysMin: 'Pz_Pt_Sa_Ça_Pe_Cu_Ct'.split('_'),
        meridiem: function (hours, minutes, isLower) {
            if (hours < 12) {
                return isLower ? 'öö' : 'ÖÖ';
            } else {
                return isLower ? 'ös' : 'ÖS';
            }
        },
        meridiemParse: /öö|ÖÖ|ös|ÖS/,
        isPM: function (input) {
            return input === 'ös' || input === 'ÖS';
        },
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD.MM.YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY HH:mm',
            LLLL: 'dddd, D MMMM YYYY HH:mm',
        },
        calendar: {
            sameDay: '[bugün saat] LT',
            nextDay: '[yarın saat] LT',
            nextWeek: '[gelecek] dddd [saat] LT',
            lastDay: '[dün] LT',
            lastWeek: '[geçen] dddd [saat] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: '%s sonra',
            past: '%s önce',
            s: 'birkaç saniye',
            ss: '%d saniye',
            m: 'bir dakika',
            mm: '%d dakika',
            h: 'bir saat',
            hh: '%d saat',
            d: 'bir gün',
            dd: '%d gün',
            w: 'bir hafta',
            ww: '%d hafta',
            M: 'bir ay',
            MM: '%d ay',
            y: 'bir yıl',
            yy: '%d yıl',
        },
        ordinal: function (number, period) {
            switch (period) {
                case 'd':
                case 'D':
                case 'Do':
                case 'DD':
                    return number;
                default:
                    if (number === 0) {
                        // special case for zero
                        return number + "'ıncı";
                    }
                    var a = number % 10,
                        b = (number % 100) - a,
                        c = number >= 100 ? 100 : null;
                    return number + (suffixes$5[a] || suffixes$5[b] || suffixes$5[c]);
            }
        },
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 7, // The week that contains Jan 7th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    // After the year there should be a slash and the amount of years since December 26, 1979 in Roman numerals.
    // This is currently too difficult (maybe even impossible) to add.
    hooks.defineLocale('tzl', {
        months: 'Januar_Fevraglh_Març_Avrïu_Mai_Gün_Julia_Guscht_Setemvar_Listopäts_Noemvar_Zecemvar'.split(
            '_'
        ),
        monthsShort: 'Jan_Fev_Mar_Avr_Mai_Gün_Jul_Gus_Set_Lis_Noe_Zec'.split('_'),
        weekdays: 'Súladi_Lúneçi_Maitzi_Márcuri_Xhúadi_Viénerçi_Sáturi'.split('_'),
        weekdaysShort: 'Súl_Lún_Mai_Már_Xhú_Vié_Sát'.split('_'),
        weekdaysMin: 'Sú_Lú_Ma_Má_Xh_Vi_Sá'.split('_'),
        longDateFormat: {
            LT: 'HH.mm',
            LTS: 'HH.mm.ss',
            L: 'DD.MM.YYYY',
            LL: 'D. MMMM [dallas] YYYY',
            LLL: 'D. MMMM [dallas] YYYY HH.mm',
            LLLL: 'dddd, [li] D. MMMM [dallas] YYYY HH.mm',
        },
        meridiemParse: /d\'o|d\'a/i,
        isPM: function (input) {
            return "d'o" === input.toLowerCase();
        },
        meridiem: function (hours, minutes, isLower) {
            if (hours > 11) {
                return isLower ? "d'o" : "D'O";
            } else {
                return isLower ? "d'a" : "D'A";
            }
        },
        calendar: {
            sameDay: '[oxhi à] LT',
            nextDay: '[demà à] LT',
            nextWeek: 'dddd [à] LT',
            lastDay: '[ieiri à] LT',
            lastWeek: '[sür el] dddd [lasteu à] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'osprei %s',
            past: 'ja%s',
            s: processRelativeTime$8,
            ss: processRelativeTime$8,
            m: processRelativeTime$8,
            mm: processRelativeTime$8,
            h: processRelativeTime$8,
            hh: processRelativeTime$8,
            d: processRelativeTime$8,
            dd: processRelativeTime$8,
            M: processRelativeTime$8,
            MM: processRelativeTime$8,
            y: processRelativeTime$8,
            yy: processRelativeTime$8,
        },
        dayOfMonthOrdinalParse: /\d{1,2}\./,
        ordinal: '%d.',
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    function processRelativeTime$8(number, withoutSuffix, key, isFuture) {
        var format = {
            s: ['viensas secunds', "'iensas secunds"],
            ss: [number + ' secunds', '' + number + ' secunds'],
            m: ["'n míut", "'iens míut"],
            mm: [number + ' míuts', '' + number + ' míuts'],
            h: ["'n þora", "'iensa þora"],
            hh: [number + ' þoras', '' + number + ' þoras'],
            d: ["'n ziua", "'iensa ziua"],
            dd: [number + ' ziuas', '' + number + ' ziuas'],
            M: ["'n mes", "'iens mes"],
            MM: [number + ' mesen', '' + number + ' mesen'],
            y: ["'n ar", "'iens ar"],
            yy: [number + ' ars', '' + number + ' ars'],
        };
        return isFuture
            ? format[key][0]
            : withoutSuffix
            ? format[key][0]
            : format[key][1];
    }

    //! moment.js locale configuration

    hooks.defineLocale('tzm-latn', {
        months: 'innayr_brˤayrˤ_marˤsˤ_ibrir_mayyw_ywnyw_ywlywz_ɣwšt_šwtanbir_ktˤwbrˤ_nwwanbir_dwjnbir'.split(
            '_'
        ),
        monthsShort:
            'innayr_brˤayrˤ_marˤsˤ_ibrir_mayyw_ywnyw_ywlywz_ɣwšt_šwtanbir_ktˤwbrˤ_nwwanbir_dwjnbir'.split(
                '_'
            ),
        weekdays: 'asamas_aynas_asinas_akras_akwas_asimwas_asiḍyas'.split('_'),
        weekdaysShort: 'asamas_aynas_asinas_akras_akwas_asimwas_asiḍyas'.split('_'),
        weekdaysMin: 'asamas_aynas_asinas_akras_akwas_asimwas_asiḍyas'.split('_'),
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY HH:mm',
            LLLL: 'dddd D MMMM YYYY HH:mm',
        },
        calendar: {
            sameDay: '[asdkh g] LT',
            nextDay: '[aska g] LT',
            nextWeek: 'dddd [g] LT',
            lastDay: '[assant g] LT',
            lastWeek: 'dddd [g] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'dadkh s yan %s',
            past: 'yan %s',
            s: 'imik',
            ss: '%d imik',
            m: 'minuḍ',
            mm: '%d minuḍ',
            h: 'saɛa',
            hh: '%d tassaɛin',
            d: 'ass',
            dd: '%d ossan',
            M: 'ayowr',
            MM: '%d iyyirn',
            y: 'asgas',
            yy: '%d isgasn',
        },
        week: {
            dow: 6, // Saturday is the first day of the week.
            doy: 12, // The week that contains Jan 12th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('tzm', {
        months: 'ⵉⵏⵏⴰⵢⵔ_ⴱⵕⴰⵢⵕ_ⵎⴰⵕⵚ_ⵉⴱⵔⵉⵔ_ⵎⴰⵢⵢⵓ_ⵢⵓⵏⵢⵓ_ⵢⵓⵍⵢⵓⵣ_ⵖⵓⵛⵜ_ⵛⵓⵜⴰⵏⴱⵉⵔ_ⴽⵟⵓⴱⵕ_ⵏⵓⵡⴰⵏⴱⵉⵔ_ⴷⵓⵊⵏⴱⵉⵔ'.split(
            '_'
        ),
        monthsShort:
            'ⵉⵏⵏⴰⵢⵔ_ⴱⵕⴰⵢⵕ_ⵎⴰⵕⵚ_ⵉⴱⵔⵉⵔ_ⵎⴰⵢⵢⵓ_ⵢⵓⵏⵢⵓ_ⵢⵓⵍⵢⵓⵣ_ⵖⵓⵛⵜ_ⵛⵓⵜⴰⵏⴱⵉⵔ_ⴽⵟⵓⴱⵕ_ⵏⵓⵡⴰⵏⴱⵉⵔ_ⴷⵓⵊⵏⴱⵉⵔ'.split(
                '_'
            ),
        weekdays: 'ⴰⵙⴰⵎⴰⵙ_ⴰⵢⵏⴰⵙ_ⴰⵙⵉⵏⴰⵙ_ⴰⴽⵔⴰⵙ_ⴰⴽⵡⴰⵙ_ⴰⵙⵉⵎⵡⴰⵙ_ⴰⵙⵉⴹⵢⴰⵙ'.split('_'),
        weekdaysShort: 'ⴰⵙⴰⵎⴰⵙ_ⴰⵢⵏⴰⵙ_ⴰⵙⵉⵏⴰⵙ_ⴰⴽⵔⴰⵙ_ⴰⴽⵡⴰⵙ_ⴰⵙⵉⵎⵡⴰⵙ_ⴰⵙⵉⴹⵢⴰⵙ'.split('_'),
        weekdaysMin: 'ⴰⵙⴰⵎⴰⵙ_ⴰⵢⵏⴰⵙ_ⴰⵙⵉⵏⴰⵙ_ⴰⴽⵔⴰⵙ_ⴰⴽⵡⴰⵙ_ⴰⵙⵉⵎⵡⴰⵙ_ⴰⵙⵉⴹⵢⴰⵙ'.split('_'),
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY HH:mm',
            LLLL: 'dddd D MMMM YYYY HH:mm',
        },
        calendar: {
            sameDay: '[ⴰⵙⴷⵅ ⴴ] LT',
            nextDay: '[ⴰⵙⴽⴰ ⴴ] LT',
            nextWeek: 'dddd [ⴴ] LT',
            lastDay: '[ⴰⵚⴰⵏⵜ ⴴ] LT',
            lastWeek: 'dddd [ⴴ] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'ⴷⴰⴷⵅ ⵙ ⵢⴰⵏ %s',
            past: 'ⵢⴰⵏ %s',
            s: 'ⵉⵎⵉⴽ',
            ss: '%d ⵉⵎⵉⴽ',
            m: 'ⵎⵉⵏⵓⴺ',
            mm: '%d ⵎⵉⵏⵓⴺ',
            h: 'ⵙⴰⵄⴰ',
            hh: '%d ⵜⴰⵙⵙⴰⵄⵉⵏ',
            d: 'ⴰⵙⵙ',
            dd: '%d oⵙⵙⴰⵏ',
            M: 'ⴰⵢoⵓⵔ',
            MM: '%d ⵉⵢⵢⵉⵔⵏ',
            y: 'ⴰⵙⴳⴰⵙ',
            yy: '%d ⵉⵙⴳⴰⵙⵏ',
        },
        week: {
            dow: 6, // Saturday is the first day of the week.
            doy: 12, // The week that contains Jan 12th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('ug-cn', {
        months: 'يانۋار_فېۋرال_مارت_ئاپرېل_ماي_ئىيۇن_ئىيۇل_ئاۋغۇست_سېنتەبىر_ئۆكتەبىر_نويابىر_دېكابىر'.split(
            '_'
        ),
        monthsShort:
            'يانۋار_فېۋرال_مارت_ئاپرېل_ماي_ئىيۇن_ئىيۇل_ئاۋغۇست_سېنتەبىر_ئۆكتەبىر_نويابىر_دېكابىر'.split(
                '_'
            ),
        weekdays: 'يەكشەنبە_دۈشەنبە_سەيشەنبە_چارشەنبە_پەيشەنبە_جۈمە_شەنبە'.split(
            '_'
        ),
        weekdaysShort: 'يە_دۈ_سە_چا_پە_جۈ_شە'.split('_'),
        weekdaysMin: 'يە_دۈ_سە_چا_پە_جۈ_شە'.split('_'),
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'YYYY-MM-DD',
            LL: 'YYYY-يىلىM-ئاينىڭD-كۈنى',
            LLL: 'YYYY-يىلىM-ئاينىڭD-كۈنى، HH:mm',
            LLLL: 'dddd، YYYY-يىلىM-ئاينىڭD-كۈنى، HH:mm',
        },
        meridiemParse: /يېرىم كېچە|سەھەر|چۈشتىن بۇرۇن|چۈش|چۈشتىن كېيىن|كەچ/,
        meridiemHour: function (hour, meridiem) {
            if (hour === 12) {
                hour = 0;
            }
            if (
                meridiem === 'يېرىم كېچە' ||
                meridiem === 'سەھەر' ||
                meridiem === 'چۈشتىن بۇرۇن'
            ) {
                return hour;
            } else if (meridiem === 'چۈشتىن كېيىن' || meridiem === 'كەچ') {
                return hour + 12;
            } else {
                return hour >= 11 ? hour : hour + 12;
            }
        },
        meridiem: function (hour, minute, isLower) {
            var hm = hour * 100 + minute;
            if (hm < 600) {
                return 'يېرىم كېچە';
            } else if (hm < 900) {
                return 'سەھەر';
            } else if (hm < 1130) {
                return 'چۈشتىن بۇرۇن';
            } else if (hm < 1230) {
                return 'چۈش';
            } else if (hm < 1800) {
                return 'چۈشتىن كېيىن';
            } else {
                return 'كەچ';
            }
        },
        calendar: {
            sameDay: '[بۈگۈن سائەت] LT',
            nextDay: '[ئەتە سائەت] LT',
            nextWeek: '[كېلەركى] dddd [سائەت] LT',
            lastDay: '[تۆنۈگۈن] LT',
            lastWeek: '[ئالدىنقى] dddd [سائەت] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: '%s كېيىن',
            past: '%s بۇرۇن',
            s: 'نەچچە سېكونت',
            ss: '%d سېكونت',
            m: 'بىر مىنۇت',
            mm: '%d مىنۇت',
            h: 'بىر سائەت',
            hh: '%d سائەت',
            d: 'بىر كۈن',
            dd: '%d كۈن',
            M: 'بىر ئاي',
            MM: '%d ئاي',
            y: 'بىر يىل',
            yy: '%d يىل',
        },

        dayOfMonthOrdinalParse: /\d{1,2}(-كۈنى|-ئاي|-ھەپتە)/,
        ordinal: function (number, period) {
            switch (period) {
                case 'd':
                case 'D':
                case 'DDD':
                    return number + '-كۈنى';
                case 'w':
                case 'W':
                    return number + '-ھەپتە';
                default:
                    return number;
            }
        },
        preparse: function (string) {
            return string.replace(/،/g, ',');
        },
        postformat: function (string) {
            return string.replace(/,/g, '،');
        },
        week: {
            // GB/T 7408-1994《数据元和交换格式·信息交换·日期和时间表示法》与ISO 8601:1988等效
            dow: 1, // Monday is the first day of the week.
            doy: 7, // The week that contains Jan 1st is the first week of the year.
        },
    });

    //! moment.js locale configuration

    function plural$6(word, num) {
        var forms = word.split('_');
        return num % 10 === 1 && num % 100 !== 11
            ? forms[0]
            : num % 10 >= 2 && num % 10 <= 4 && (num % 100 < 10 || num % 100 >= 20)
            ? forms[1]
            : forms[2];
    }
    function relativeTimeWithPlural$4(number, withoutSuffix, key) {
        var format = {
            ss: withoutSuffix ? 'секунда_секунди_секунд' : 'секунду_секунди_секунд',
            mm: withoutSuffix ? 'хвилина_хвилини_хвилин' : 'хвилину_хвилини_хвилин',
            hh: withoutSuffix ? 'година_години_годин' : 'годину_години_годин',
            dd: 'день_дні_днів',
            MM: 'місяць_місяці_місяців',
            yy: 'рік_роки_років',
        };
        if (key === 'm') {
            return withoutSuffix ? 'хвилина' : 'хвилину';
        } else if (key === 'h') {
            return withoutSuffix ? 'година' : 'годину';
        } else {
            return number + ' ' + plural$6(format[key], +number);
        }
    }
    function weekdaysCaseReplace(m, format) {
        var weekdays = {
                nominative:
                    'неділя_понеділок_вівторок_середа_четвер_п’ятниця_субота'.split(
                        '_'
                    ),
                accusative:
                    'неділю_понеділок_вівторок_середу_четвер_п’ятницю_суботу'.split(
                        '_'
                    ),
                genitive:
                    'неділі_понеділка_вівторка_середи_четверга_п’ятниці_суботи'.split(
                        '_'
                    ),
            },
            nounCase;

        if (m === true) {
            return weekdays['nominative']
                .slice(1, 7)
                .concat(weekdays['nominative'].slice(0, 1));
        }
        if (!m) {
            return weekdays['nominative'];
        }

        nounCase = /(\[[ВвУу]\]) ?dddd/.test(format)
            ? 'accusative'
            : /\[?(?:минулої|наступної)? ?\] ?dddd/.test(format)
            ? 'genitive'
            : 'nominative';
        return weekdays[nounCase][m.day()];
    }
    function processHoursFunction(str) {
        return function () {
            return str + 'о' + (this.hours() === 11 ? 'б' : '') + '] LT';
        };
    }

    hooks.defineLocale('uk', {
        months: {
            format: 'січня_лютого_березня_квітня_травня_червня_липня_серпня_вересня_жовтня_листопада_грудня'.split(
                '_'
            ),
            standalone:
                'січень_лютий_березень_квітень_травень_червень_липень_серпень_вересень_жовтень_листопад_грудень'.split(
                    '_'
                ),
        },
        monthsShort: 'січ_лют_бер_квіт_трав_черв_лип_серп_вер_жовт_лист_груд'.split(
            '_'
        ),
        weekdays: weekdaysCaseReplace,
        weekdaysShort: 'нд_пн_вт_ср_чт_пт_сб'.split('_'),
        weekdaysMin: 'нд_пн_вт_ср_чт_пт_сб'.split('_'),
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD.MM.YYYY',
            LL: 'D MMMM YYYY р.',
            LLL: 'D MMMM YYYY р., HH:mm',
            LLLL: 'dddd, D MMMM YYYY р., HH:mm',
        },
        calendar: {
            sameDay: processHoursFunction('[Сьогодні '),
            nextDay: processHoursFunction('[Завтра '),
            lastDay: processHoursFunction('[Вчора '),
            nextWeek: processHoursFunction('[У] dddd ['),
            lastWeek: function () {
                switch (this.day()) {
                    case 0:
                    case 3:
                    case 5:
                    case 6:
                        return processHoursFunction('[Минулої] dddd [').call(this);
                    case 1:
                    case 2:
                    case 4:
                        return processHoursFunction('[Минулого] dddd [').call(this);
                }
            },
            sameElse: 'L',
        },
        relativeTime: {
            future: 'за %s',
            past: '%s тому',
            s: 'декілька секунд',
            ss: relativeTimeWithPlural$4,
            m: relativeTimeWithPlural$4,
            mm: relativeTimeWithPlural$4,
            h: 'годину',
            hh: relativeTimeWithPlural$4,
            d: 'день',
            dd: relativeTimeWithPlural$4,
            M: 'місяць',
            MM: relativeTimeWithPlural$4,
            y: 'рік',
            yy: relativeTimeWithPlural$4,
        },
        // M. E.: those two are virtually unused but a user might want to implement them for his/her website for some reason
        meridiemParse: /ночі|ранку|дня|вечора/,
        isPM: function (input) {
            return /^(дня|вечора)$/.test(input);
        },
        meridiem: function (hour, minute, isLower) {
            if (hour < 4) {
                return 'ночі';
            } else if (hour < 12) {
                return 'ранку';
            } else if (hour < 17) {
                return 'дня';
            } else {
                return 'вечора';
            }
        },
        dayOfMonthOrdinalParse: /\d{1,2}-(й|го)/,
        ordinal: function (number, period) {
            switch (period) {
                case 'M':
                case 'd':
                case 'DDD':
                case 'w':
                case 'W':
                    return number + '-й';
                case 'D':
                    return number + '-го';
                default:
                    return number;
            }
        },
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 7, // The week that contains Jan 7th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    var months$b = [
            'جنوری',
            'فروری',
            'مارچ',
            'اپریل',
            'مئی',
            'جون',
            'جولائی',
            'اگست',
            'ستمبر',
            'اکتوبر',
            'نومبر',
            'دسمبر',
        ],
        days$2 = ['اتوار', 'پیر', 'منگل', 'بدھ', 'جمعرات', 'جمعہ', 'ہفتہ'];

    hooks.defineLocale('ur', {
        months: months$b,
        monthsShort: months$b,
        weekdays: days$2,
        weekdaysShort: days$2,
        weekdaysMin: days$2,
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY HH:mm',
            LLLL: 'dddd، D MMMM YYYY HH:mm',
        },
        meridiemParse: /صبح|شام/,
        isPM: function (input) {
            return 'شام' === input;
        },
        meridiem: function (hour, minute, isLower) {
            if (hour < 12) {
                return 'صبح';
            }
            return 'شام';
        },
        calendar: {
            sameDay: '[آج بوقت] LT',
            nextDay: '[کل بوقت] LT',
            nextWeek: 'dddd [بوقت] LT',
            lastDay: '[گذشتہ روز بوقت] LT',
            lastWeek: '[گذشتہ] dddd [بوقت] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: '%s بعد',
            past: '%s قبل',
            s: 'چند سیکنڈ',
            ss: '%d سیکنڈ',
            m: 'ایک منٹ',
            mm: '%d منٹ',
            h: 'ایک گھنٹہ',
            hh: '%d گھنٹے',
            d: 'ایک دن',
            dd: '%d دن',
            M: 'ایک ماہ',
            MM: '%d ماہ',
            y: 'ایک سال',
            yy: '%d سال',
        },
        preparse: function (string) {
            return string.replace(/،/g, ',');
        },
        postformat: function (string) {
            return string.replace(/,/g, '،');
        },
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('uz-latn', {
        months: 'Yanvar_Fevral_Mart_Aprel_May_Iyun_Iyul_Avgust_Sentabr_Oktabr_Noyabr_Dekabr'.split(
            '_'
        ),
        monthsShort: 'Yan_Fev_Mar_Apr_May_Iyun_Iyul_Avg_Sen_Okt_Noy_Dek'.split('_'),
        weekdays:
            'Yakshanba_Dushanba_Seshanba_Chorshanba_Payshanba_Juma_Shanba'.split(
                '_'
            ),
        weekdaysShort: 'Yak_Dush_Sesh_Chor_Pay_Jum_Shan'.split('_'),
        weekdaysMin: 'Ya_Du_Se_Cho_Pa_Ju_Sha'.split('_'),
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY HH:mm',
            LLLL: 'D MMMM YYYY, dddd HH:mm',
        },
        calendar: {
            sameDay: '[Bugun soat] LT [da]',
            nextDay: '[Ertaga] LT [da]',
            nextWeek: 'dddd [kuni soat] LT [da]',
            lastDay: '[Kecha soat] LT [da]',
            lastWeek: "[O'tgan] dddd [kuni soat] LT [da]",
            sameElse: 'L',
        },
        relativeTime: {
            future: 'Yaqin %s ichida',
            past: 'Bir necha %s oldin',
            s: 'soniya',
            ss: '%d soniya',
            m: 'bir daqiqa',
            mm: '%d daqiqa',
            h: 'bir soat',
            hh: '%d soat',
            d: 'bir kun',
            dd: '%d kun',
            M: 'bir oy',
            MM: '%d oy',
            y: 'bir yil',
            yy: '%d yil',
        },
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 7, // The week that contains Jan 7th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('uz', {
        months: 'январ_феврал_март_апрел_май_июн_июл_август_сентябр_октябр_ноябр_декабр'.split(
            '_'
        ),
        monthsShort: 'янв_фев_мар_апр_май_июн_июл_авг_сен_окт_ноя_дек'.split('_'),
        weekdays: 'Якшанба_Душанба_Сешанба_Чоршанба_Пайшанба_Жума_Шанба'.split('_'),
        weekdaysShort: 'Якш_Душ_Сеш_Чор_Пай_Жум_Шан'.split('_'),
        weekdaysMin: 'Як_Ду_Се_Чо_Па_Жу_Ша'.split('_'),
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY HH:mm',
            LLLL: 'D MMMM YYYY, dddd HH:mm',
        },
        calendar: {
            sameDay: '[Бугун соат] LT [да]',
            nextDay: '[Эртага] LT [да]',
            nextWeek: 'dddd [куни соат] LT [да]',
            lastDay: '[Кеча соат] LT [да]',
            lastWeek: '[Утган] dddd [куни соат] LT [да]',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'Якин %s ичида',
            past: 'Бир неча %s олдин',
            s: 'фурсат',
            ss: '%d фурсат',
            m: 'бир дакика',
            mm: '%d дакика',
            h: 'бир соат',
            hh: '%d соат',
            d: 'бир кун',
            dd: '%d кун',
            M: 'бир ой',
            MM: '%d ой',
            y: 'бир йил',
            yy: '%d йил',
        },
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 7, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('vi', {
        months: 'tháng 1_tháng 2_tháng 3_tháng 4_tháng 5_tháng 6_tháng 7_tháng 8_tháng 9_tháng 10_tháng 11_tháng 12'.split(
            '_'
        ),
        monthsShort:
            'Thg 01_Thg 02_Thg 03_Thg 04_Thg 05_Thg 06_Thg 07_Thg 08_Thg 09_Thg 10_Thg 11_Thg 12'.split(
                '_'
            ),
        monthsParseExact: true,
        weekdays: 'chủ nhật_thứ hai_thứ ba_thứ tư_thứ năm_thứ sáu_thứ bảy'.split(
            '_'
        ),
        weekdaysShort: 'CN_T2_T3_T4_T5_T6_T7'.split('_'),
        weekdaysMin: 'CN_T2_T3_T4_T5_T6_T7'.split('_'),
        weekdaysParseExact: true,
        meridiemParse: /sa|ch/i,
        isPM: function (input) {
            return /^ch$/i.test(input);
        },
        meridiem: function (hours, minutes, isLower) {
            if (hours < 12) {
                return isLower ? 'sa' : 'SA';
            } else {
                return isLower ? 'ch' : 'CH';
            }
        },
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM [năm] YYYY',
            LLL: 'D MMMM [năm] YYYY HH:mm',
            LLLL: 'dddd, D MMMM [năm] YYYY HH:mm',
            l: 'DD/M/YYYY',
            ll: 'D MMM YYYY',
            lll: 'D MMM YYYY HH:mm',
            llll: 'ddd, D MMM YYYY HH:mm',
        },
        calendar: {
            sameDay: '[Hôm nay lúc] LT',
            nextDay: '[Ngày mai lúc] LT',
            nextWeek: 'dddd [tuần tới lúc] LT',
            lastDay: '[Hôm qua lúc] LT',
            lastWeek: 'dddd [tuần trước lúc] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: '%s tới',
            past: '%s trước',
            s: 'vài giây',
            ss: '%d giây',
            m: 'một phút',
            mm: '%d phút',
            h: 'một giờ',
            hh: '%d giờ',
            d: 'một ngày',
            dd: '%d ngày',
            w: 'một tuần',
            ww: '%d tuần',
            M: 'một tháng',
            MM: '%d tháng',
            y: 'một năm',
            yy: '%d năm',
        },
        dayOfMonthOrdinalParse: /\d{1,2}/,
        ordinal: function (number) {
            return number;
        },
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('x-pseudo', {
        months: 'J~áñúá~rý_F~ébrú~árý_~Márc~h_Áp~ríl_~Máý_~Júñé~_Júl~ý_Áú~gúst~_Sép~témb~ér_Ó~ctób~ér_Ñ~óvém~bér_~Décé~mbér'.split(
            '_'
        ),
        monthsShort:
            'J~áñ_~Féb_~Már_~Ápr_~Máý_~Júñ_~Júl_~Áúg_~Sép_~Óct_~Ñóv_~Déc'.split(
                '_'
            ),
        monthsParseExact: true,
        weekdays:
            'S~úñdá~ý_Mó~ñdáý~_Túé~sdáý~_Wéd~ñésd~áý_T~húrs~dáý_~Fríd~áý_S~átúr~dáý'.split(
                '_'
            ),
        weekdaysShort: 'S~úñ_~Móñ_~Túé_~Wéd_~Thú_~Frí_~Sát'.split('_'),
        weekdaysMin: 'S~ú_Mó~_Tú_~Wé_T~h_Fr~_Sá'.split('_'),
        weekdaysParseExact: true,
        longDateFormat: {
            LT: 'HH:mm',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY HH:mm',
            LLLL: 'dddd, D MMMM YYYY HH:mm',
        },
        calendar: {
            sameDay: '[T~ódá~ý át] LT',
            nextDay: '[T~ómó~rró~w át] LT',
            nextWeek: 'dddd [át] LT',
            lastDay: '[Ý~ést~érdá~ý át] LT',
            lastWeek: '[L~ást] dddd [át] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'í~ñ %s',
            past: '%s á~gó',
            s: 'á ~féw ~sécó~ñds',
            ss: '%d s~écóñ~ds',
            m: 'á ~míñ~úté',
            mm: '%d m~íñú~tés',
            h: 'á~ñ hó~úr',
            hh: '%d h~óúrs',
            d: 'á ~dáý',
            dd: '%d d~áýs',
            M: 'á ~móñ~th',
            MM: '%d m~óñt~hs',
            y: 'á ~ýéár',
            yy: '%d ý~éárs',
        },
        dayOfMonthOrdinalParse: /\d{1,2}(th|st|nd|rd)/,
        ordinal: function (number) {
            var b = number % 10,
                output =
                    ~~((number % 100) / 10) === 1
                        ? 'th'
                        : b === 1
                        ? 'st'
                        : b === 2
                        ? 'nd'
                        : b === 3
                        ? 'rd'
                        : 'th';
            return number + output;
        },
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('yo', {
        months: 'Sẹ́rẹ́_Èrèlè_Ẹrẹ̀nà_Ìgbé_Èbibi_Òkùdu_Agẹmo_Ògún_Owewe_Ọ̀wàrà_Bélú_Ọ̀pẹ̀̀'.split(
            '_'
        ),
        monthsShort: 'Sẹ́r_Èrl_Ẹrn_Ìgb_Èbi_Òkù_Agẹ_Ògú_Owe_Ọ̀wà_Bél_Ọ̀pẹ̀̀'.split('_'),
        weekdays: 'Àìkú_Ajé_Ìsẹ́gun_Ọjọ́rú_Ọjọ́bọ_Ẹtì_Àbámẹ́ta'.split('_'),
        weekdaysShort: 'Àìk_Ajé_Ìsẹ́_Ọjr_Ọjb_Ẹtì_Àbá'.split('_'),
        weekdaysMin: 'Àì_Aj_Ìs_Ọr_Ọb_Ẹt_Àb'.split('_'),
        longDateFormat: {
            LT: 'h:mm A',
            LTS: 'h:mm:ss A',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY h:mm A',
            LLLL: 'dddd, D MMMM YYYY h:mm A',
        },
        calendar: {
            sameDay: '[Ònì ni] LT',
            nextDay: '[Ọ̀la ni] LT',
            nextWeek: "dddd [Ọsẹ̀ tón'bọ] [ni] LT",
            lastDay: '[Àna ni] LT',
            lastWeek: 'dddd [Ọsẹ̀ tólọ́] [ni] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'ní %s',
            past: '%s kọjá',
            s: 'ìsẹjú aayá die',
            ss: 'aayá %d',
            m: 'ìsẹjú kan',
            mm: 'ìsẹjú %d',
            h: 'wákati kan',
            hh: 'wákati %d',
            d: 'ọjọ́ kan',
            dd: 'ọjọ́ %d',
            M: 'osù kan',
            MM: 'osù %d',
            y: 'ọdún kan',
            yy: 'ọdún %d',
        },
        dayOfMonthOrdinalParse: /ọjọ́\s\d{1,2}/,
        ordinal: 'ọjọ́ %d',
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('zh-cn', {
        months: '一月_二月_三月_四月_五月_六月_七月_八月_九月_十月_十一月_十二月'.split(
            '_'
        ),
        monthsShort: '1月_2月_3月_4月_5月_6月_7月_8月_9月_10月_11月_12月'.split(
            '_'
        ),
        weekdays: '星期日_星期一_星期二_星期三_星期四_星期五_星期六'.split('_'),
        weekdaysShort: '周日_周一_周二_周三_周四_周五_周六'.split('_'),
        weekdaysMin: '日_一_二_三_四_五_六'.split('_'),
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'YYYY/MM/DD',
            LL: 'YYYY年M月D日',
            LLL: 'YYYY年M月D日Ah点mm分',
            LLLL: 'YYYY年M月D日ddddAh点mm分',
            l: 'YYYY/M/D',
            ll: 'YYYY年M月D日',
            lll: 'YYYY年M月D日 HH:mm',
            llll: 'YYYY年M月D日dddd HH:mm',
        },
        meridiemParse: /凌晨|早上|上午|中午|下午|晚上/,
        meridiemHour: function (hour, meridiem) {
            if (hour === 12) {
                hour = 0;
            }
            if (meridiem === '凌晨' || meridiem === '早上' || meridiem === '上午') {
                return hour;
            } else if (meridiem === '下午' || meridiem === '晚上') {
                return hour + 12;
            } else {
                // '中午'
                return hour >= 11 ? hour : hour + 12;
            }
        },
        meridiem: function (hour, minute, isLower) {
            var hm = hour * 100 + minute;
            if (hm < 600) {
                return '凌晨';
            } else if (hm < 900) {
                return '早上';
            } else if (hm < 1130) {
                return '上午';
            } else if (hm < 1230) {
                return '中午';
            } else if (hm < 1800) {
                return '下午';
            } else {
                return '晚上';
            }
        },
        calendar: {
            sameDay: '[今天]LT',
            nextDay: '[明天]LT',
            nextWeek: function (now) {
                if (now.week() !== this.week()) {
                    return '[下]dddLT';
                } else {
                    return '[本]dddLT';
                }
            },
            lastDay: '[昨天]LT',
            lastWeek: function (now) {
                if (this.week() !== now.week()) {
                    return '[上]dddLT';
                } else {
                    return '[本]dddLT';
                }
            },
            sameElse: 'L',
        },
        dayOfMonthOrdinalParse: /\d{1,2}(日|月|周)/,
        ordinal: function (number, period) {
            switch (period) {
                case 'd':
                case 'D':
                case 'DDD':
                    return number + '日';
                case 'M':
                    return number + '月';
                case 'w':
                case 'W':
                    return number + '周';
                default:
                    return number;
            }
        },
        relativeTime: {
            future: '%s后',
            past: '%s前',
            s: '几秒',
            ss: '%d 秒',
            m: '1 分钟',
            mm: '%d 分钟',
            h: '1 小时',
            hh: '%d 小时',
            d: '1 天',
            dd: '%d 天',
            w: '1 周',
            ww: '%d 周',
            M: '1 个月',
            MM: '%d 个月',
            y: '1 年',
            yy: '%d 年',
        },
        week: {
            // GB/T 7408-1994《数据元和交换格式·信息交换·日期和时间表示法》与ISO 8601:1988等效
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('zh-hk', {
        months: '一月_二月_三月_四月_五月_六月_七月_八月_九月_十月_十一月_十二月'.split(
            '_'
        ),
        monthsShort: '1月_2月_3月_4月_5月_6月_7月_8月_9月_10月_11月_12月'.split(
            '_'
        ),
        weekdays: '星期日_星期一_星期二_星期三_星期四_星期五_星期六'.split('_'),
        weekdaysShort: '週日_週一_週二_週三_週四_週五_週六'.split('_'),
        weekdaysMin: '日_一_二_三_四_五_六'.split('_'),
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'YYYY/MM/DD',
            LL: 'YYYY年M月D日',
            LLL: 'YYYY年M月D日 HH:mm',
            LLLL: 'YYYY年M月D日dddd HH:mm',
            l: 'YYYY/M/D',
            ll: 'YYYY年M月D日',
            lll: 'YYYY年M月D日 HH:mm',
            llll: 'YYYY年M月D日dddd HH:mm',
        },
        meridiemParse: /凌晨|早上|上午|中午|下午|晚上/,
        meridiemHour: function (hour, meridiem) {
            if (hour === 12) {
                hour = 0;
            }
            if (meridiem === '凌晨' || meridiem === '早上' || meridiem === '上午') {
                return hour;
            } else if (meridiem === '中午') {
                return hour >= 11 ? hour : hour + 12;
            } else if (meridiem === '下午' || meridiem === '晚上') {
                return hour + 12;
            }
        },
        meridiem: function (hour, minute, isLower) {
            var hm = hour * 100 + minute;
            if (hm < 600) {
                return '凌晨';
            } else if (hm < 900) {
                return '早上';
            } else if (hm < 1200) {
                return '上午';
            } else if (hm === 1200) {
                return '中午';
            } else if (hm < 1800) {
                return '下午';
            } else {
                return '晚上';
            }
        },
        calendar: {
            sameDay: '[今天]LT',
            nextDay: '[明天]LT',
            nextWeek: '[下]ddddLT',
            lastDay: '[昨天]LT',
            lastWeek: '[上]ddddLT',
            sameElse: 'L',
        },
        dayOfMonthOrdinalParse: /\d{1,2}(日|月|週)/,
        ordinal: function (number, period) {
            switch (period) {
                case 'd':
                case 'D':
                case 'DDD':
                    return number + '日';
                case 'M':
                    return number + '月';
                case 'w':
                case 'W':
                    return number + '週';
                default:
                    return number;
            }
        },
        relativeTime: {
            future: '%s後',
            past: '%s前',
            s: '幾秒',
            ss: '%d 秒',
            m: '1 分鐘',
            mm: '%d 分鐘',
            h: '1 小時',
            hh: '%d 小時',
            d: '1 天',
            dd: '%d 天',
            M: '1 個月',
            MM: '%d 個月',
            y: '1 年',
            yy: '%d 年',
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('zh-mo', {
        months: '一月_二月_三月_四月_五月_六月_七月_八月_九月_十月_十一月_十二月'.split(
            '_'
        ),
        monthsShort: '1月_2月_3月_4月_5月_6月_7月_8月_9月_10月_11月_12月'.split(
            '_'
        ),
        weekdays: '星期日_星期一_星期二_星期三_星期四_星期五_星期六'.split('_'),
        weekdaysShort: '週日_週一_週二_週三_週四_週五_週六'.split('_'),
        weekdaysMin: '日_一_二_三_四_五_六'.split('_'),
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD/MM/YYYY',
            LL: 'YYYY年M月D日',
            LLL: 'YYYY年M月D日 HH:mm',
            LLLL: 'YYYY年M月D日dddd HH:mm',
            l: 'D/M/YYYY',
            ll: 'YYYY年M月D日',
            lll: 'YYYY年M月D日 HH:mm',
            llll: 'YYYY年M月D日dddd HH:mm',
        },
        meridiemParse: /凌晨|早上|上午|中午|下午|晚上/,
        meridiemHour: function (hour, meridiem) {
            if (hour === 12) {
                hour = 0;
            }
            if (meridiem === '凌晨' || meridiem === '早上' || meridiem === '上午') {
                return hour;
            } else if (meridiem === '中午') {
                return hour >= 11 ? hour : hour + 12;
            } else if (meridiem === '下午' || meridiem === '晚上') {
                return hour + 12;
            }
        },
        meridiem: function (hour, minute, isLower) {
            var hm = hour * 100 + minute;
            if (hm < 600) {
                return '凌晨';
            } else if (hm < 900) {
                return '早上';
            } else if (hm < 1130) {
                return '上午';
            } else if (hm < 1230) {
                return '中午';
            } else if (hm < 1800) {
                return '下午';
            } else {
                return '晚上';
            }
        },
        calendar: {
            sameDay: '[今天] LT',
            nextDay: '[明天] LT',
            nextWeek: '[下]dddd LT',
            lastDay: '[昨天] LT',
            lastWeek: '[上]dddd LT',
            sameElse: 'L',
        },
        dayOfMonthOrdinalParse: /\d{1,2}(日|月|週)/,
        ordinal: function (number, period) {
            switch (period) {
                case 'd':
                case 'D':
                case 'DDD':
                    return number + '日';
                case 'M':
                    return number + '月';
                case 'w':
                case 'W':
                    return number + '週';
                default:
                    return number;
            }
        },
        relativeTime: {
            future: '%s內',
            past: '%s前',
            s: '幾秒',
            ss: '%d 秒',
            m: '1 分鐘',
            mm: '%d 分鐘',
            h: '1 小時',
            hh: '%d 小時',
            d: '1 天',
            dd: '%d 天',
            M: '1 個月',
            MM: '%d 個月',
            y: '1 年',
            yy: '%d 年',
        },
    });

    //! moment.js locale configuration

    hooks.defineLocale('zh-tw', {
        months: '一月_二月_三月_四月_五月_六月_七月_八月_九月_十月_十一月_十二月'.split(
            '_'
        ),
        monthsShort: '1月_2月_3月_4月_5月_6月_7月_8月_9月_10月_11月_12月'.split(
            '_'
        ),
        weekdays: '星期日_星期一_星期二_星期三_星期四_星期五_星期六'.split('_'),
        weekdaysShort: '週日_週一_週二_週三_週四_週五_週六'.split('_'),
        weekdaysMin: '日_一_二_三_四_五_六'.split('_'),
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'YYYY/MM/DD',
            LL: 'YYYY年M月D日',
            LLL: 'YYYY年M月D日 HH:mm',
            LLLL: 'YYYY年M月D日dddd HH:mm',
            l: 'YYYY/M/D',
            ll: 'YYYY年M月D日',
            lll: 'YYYY年M月D日 HH:mm',
            llll: 'YYYY年M月D日dddd HH:mm',
        },
        meridiemParse: /凌晨|早上|上午|中午|下午|晚上/,
        meridiemHour: function (hour, meridiem) {
            if (hour === 12) {
                hour = 0;
            }
            if (meridiem === '凌晨' || meridiem === '早上' || meridiem === '上午') {
                return hour;
            } else if (meridiem === '中午') {
                return hour >= 11 ? hour : hour + 12;
            } else if (meridiem === '下午' || meridiem === '晚上') {
                return hour + 12;
            }
        },
        meridiem: function (hour, minute, isLower) {
            var hm = hour * 100 + minute;
            if (hm < 600) {
                return '凌晨';
            } else if (hm < 900) {
                return '早上';
            } else if (hm < 1130) {
                return '上午';
            } else if (hm < 1230) {
                return '中午';
            } else if (hm < 1800) {
                return '下午';
            } else {
                return '晚上';
            }
        },
        calendar: {
            sameDay: '[今天] LT',
            nextDay: '[明天] LT',
            nextWeek: '[下]dddd LT',
            lastDay: '[昨天] LT',
            lastWeek: '[上]dddd LT',
            sameElse: 'L',
        },
        dayOfMonthOrdinalParse: /\d{1,2}(日|月|週)/,
        ordinal: function (number, period) {
            switch (period) {
                case 'd':
                case 'D':
                case 'DDD':
                    return number + '日';
                case 'M':
                    return number + '月';
                case 'w':
                case 'W':
                    return number + '週';
                default:
                    return number;
            }
        },
        relativeTime: {
            future: '%s後',
            past: '%s前',
            s: '幾秒',
            ss: '%d 秒',
            m: '1 分鐘',
            mm: '%d 分鐘',
            h: '1 小時',
            hh: '%d 小時',
            d: '1 天',
            dd: '%d 天',
            M: '1 個月',
            MM: '%d 個月',
            y: '1 年',
            yy: '%d 年',
        },
    });

    hooks.locale('en');

    return hooks;

})));

// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: https://codemirror.net/LICENSE

(function(mod) {
  if (typeof exports == "object" && typeof module == "object") // CommonJS
    mod(require("../lib/codemirror"));
  else if (typeof define == "function" && define.amd) // AMD
    define('codemirror/mode/meta',["../lib/codemirror"], mod);
  else // Plain browser env
    mod(CodeMirror);
})(function(CodeMirror) {
  "use strict";

  CodeMirror.modeInfo = [
    {name: "APL", mime: "text/apl", mode: "apl", ext: ["dyalog", "apl"]},
    {name: "PGP", mimes: ["application/pgp", "application/pgp-encrypted", "application/pgp-keys", "application/pgp-signature"], mode: "asciiarmor", ext: ["asc", "pgp", "sig"]},
    {name: "ASN.1", mime: "text/x-ttcn-asn", mode: "asn.1", ext: ["asn", "asn1"]},
    {name: "Asterisk", mime: "text/x-asterisk", mode: "asterisk", file: /^extensions\.conf$/i},
    {name: "Brainfuck", mime: "text/x-brainfuck", mode: "brainfuck", ext: ["b", "bf"]},
    {name: "C", mime: "text/x-csrc", mode: "clike", ext: ["c", "h", "ino"]},
    {name: "C++", mime: "text/x-c++src", mode: "clike", ext: ["cpp", "c++", "cc", "cxx", "hpp", "h++", "hh", "hxx"], alias: ["cpp"]},
    {name: "Cobol", mime: "text/x-cobol", mode: "cobol", ext: ["cob", "cpy"]},
    {name: "C#", mime: "text/x-csharp", mode: "clike", ext: ["cs"], alias: ["csharp", "cs"]},
    {name: "Clojure", mime: "text/x-clojure", mode: "clojure", ext: ["clj", "cljc", "cljx"]},
    {name: "ClojureScript", mime: "text/x-clojurescript", mode: "clojure", ext: ["cljs"]},
    {name: "Closure Stylesheets (GSS)", mime: "text/x-gss", mode: "css", ext: ["gss"]},
    {name: "CMake", mime: "text/x-cmake", mode: "cmake", ext: ["cmake", "cmake.in"], file: /^CMakeLists\.txt$/},
    {name: "CoffeeScript", mimes: ["application/vnd.coffeescript", "text/coffeescript", "text/x-coffeescript"], mode: "coffeescript", ext: ["coffee"], alias: ["coffee", "coffee-script"]},
    {name: "Common Lisp", mime: "text/x-common-lisp", mode: "commonlisp", ext: ["cl", "lisp", "el"], alias: ["lisp"]},
    {name: "Cypher", mime: "application/x-cypher-query", mode: "cypher", ext: ["cyp", "cypher"]},
    {name: "Cython", mime: "text/x-cython", mode: "python", ext: ["pyx", "pxd", "pxi"]},
    {name: "Crystal", mime: "text/x-crystal", mode: "crystal", ext: ["cr"]},
    {name: "CSS", mime: "text/css", mode: "css", ext: ["css"]},
    {name: "CQL", mime: "text/x-cassandra", mode: "sql", ext: ["cql"]},
    {name: "D", mime: "text/x-d", mode: "d", ext: ["d"]},
    {name: "Dart", mimes: ["application/dart", "text/x-dart"], mode: "dart", ext: ["dart"]},
    {name: "diff", mime: "text/x-diff", mode: "diff", ext: ["diff", "patch"]},
    {name: "Django", mime: "text/x-django", mode: "django"},
    {name: "Dockerfile", mime: "text/x-dockerfile", mode: "dockerfile", file: /^Dockerfile$/},
    {name: "DTD", mime: "application/xml-dtd", mode: "dtd", ext: ["dtd"]},
    {name: "Dylan", mime: "text/x-dylan", mode: "dylan", ext: ["dylan", "dyl", "intr"]},
    {name: "EBNF", mime: "text/x-ebnf", mode: "ebnf"},
    {name: "ECL", mime: "text/x-ecl", mode: "ecl", ext: ["ecl"]},
    {name: "edn", mime: "application/edn", mode: "clojure", ext: ["edn"]},
    {name: "Eiffel", mime: "text/x-eiffel", mode: "eiffel", ext: ["e"]},
    {name: "Elm", mime: "text/x-elm", mode: "elm", ext: ["elm"]},
    {name: "Embedded Javascript", mime: "application/x-ejs", mode: "htmlembedded", ext: ["ejs"]},
    {name: "Embedded Ruby", mime: "application/x-erb", mode: "htmlembedded", ext: ["erb"]},
    {name: "Erlang", mime: "text/x-erlang", mode: "erlang", ext: ["erl"]},
    {name: "Esper", mime: "text/x-esper", mode: "sql"},
    {name: "Factor", mime: "text/x-factor", mode: "factor", ext: ["factor"]},
    {name: "FCL", mime: "text/x-fcl", mode: "fcl"},
    {name: "Forth", mime: "text/x-forth", mode: "forth", ext: ["forth", "fth", "4th"]},
    {name: "Fortran", mime: "text/x-fortran", mode: "fortran", ext: ["f", "for", "f77", "f90", "f95"]},
    {name: "F#", mime: "text/x-fsharp", mode: "mllike", ext: ["fs"], alias: ["fsharp"]},
    {name: "Gas", mime: "text/x-gas", mode: "gas", ext: ["s"]},
    {name: "Gherkin", mime: "text/x-feature", mode: "gherkin", ext: ["feature"]},
    {name: "GitHub Flavored Markdown", mime: "text/x-gfm", mode: "gfm", file: /^(readme|contributing|history)\.md$/i},
    {name: "Go", mime: "text/x-go", mode: "go", ext: ["go"]},
    {name: "Groovy", mime: "text/x-groovy", mode: "groovy", ext: ["groovy", "gradle"], file: /^Jenkinsfile$/},
    {name: "HAML", mime: "text/x-haml", mode: "haml", ext: ["haml"]},
    {name: "Haskell", mime: "text/x-haskell", mode: "haskell", ext: ["hs"]},
    {name: "Haskell (Literate)", mime: "text/x-literate-haskell", mode: "haskell-literate", ext: ["lhs"]},
    {name: "Haxe", mime: "text/x-haxe", mode: "haxe", ext: ["hx"]},
    {name: "HXML", mime: "text/x-hxml", mode: "haxe", ext: ["hxml"]},
    {name: "ASP.NET", mime: "application/x-aspx", mode: "htmlembedded", ext: ["aspx"], alias: ["asp", "aspx"]},
    {name: "HTML", mime: "text/html", mode: "htmlmixed", ext: ["html", "htm", "handlebars", "hbs"], alias: ["xhtml"]},
    {name: "HTTP", mime: "message/http", mode: "http"},
    {name: "IDL", mime: "text/x-idl", mode: "idl", ext: ["pro"]},
    {name: "Pug", mime: "text/x-pug", mode: "pug", ext: ["jade", "pug"], alias: ["jade"]},
    {name: "Java", mime: "text/x-java", mode: "clike", ext: ["java"]},
    {name: "Java Server Pages", mime: "application/x-jsp", mode: "htmlembedded", ext: ["jsp"], alias: ["jsp"]},
    {name: "JavaScript", mimes: ["text/javascript", "text/ecmascript", "application/javascript", "application/x-javascript", "application/ecmascript"],
     mode: "javascript", ext: ["js"], alias: ["ecmascript", "js", "node"]},
    {name: "JSON", mimes: ["application/json", "application/x-json"], mode: "javascript", ext: ["json", "map"], alias: ["json5"]},
    {name: "JSON-LD", mime: "application/ld+json", mode: "javascript", ext: ["jsonld"], alias: ["jsonld"]},
    {name: "JSX", mime: "text/jsx", mode: "jsx", ext: ["jsx"]},
    {name: "Jinja2", mime: "text/jinja2", mode: "jinja2", ext: ["j2", "jinja", "jinja2"]},
    {name: "Julia", mime: "text/x-julia", mode: "julia", ext: ["jl"]},
    {name: "Kotlin", mime: "text/x-kotlin", mode: "clike", ext: ["kt"]},
    {name: "LESS", mime: "text/x-less", mode: "css", ext: ["less"]},
    {name: "LiveScript", mime: "text/x-livescript", mode: "livescript", ext: ["ls"], alias: ["ls"]},
    {name: "Lua", mime: "text/x-lua", mode: "lua", ext: ["lua"]},
    {name: "Markdown", mime: "text/x-markdown", mode: "markdown", ext: ["markdown", "md", "mkd"]},
    {name: "mIRC", mime: "text/mirc", mode: "mirc"},
    {name: "MariaDB SQL", mime: "text/x-mariadb", mode: "sql"},
    {name: "Mathematica", mime: "text/x-mathematica", mode: "mathematica", ext: ["m", "nb", "wl", "wls"]},
    {name: "Modelica", mime: "text/x-modelica", mode: "modelica", ext: ["mo"]},
    {name: "MUMPS", mime: "text/x-mumps", mode: "mumps", ext: ["mps"]},
    {name: "MS SQL", mime: "text/x-mssql", mode: "sql"},
    {name: "mbox", mime: "application/mbox", mode: "mbox", ext: ["mbox"]},
    {name: "MySQL", mime: "text/x-mysql", mode: "sql"},
    {name: "Nginx", mime: "text/x-nginx-conf", mode: "nginx", file: /nginx.*\.conf$/i},
    {name: "NSIS", mime: "text/x-nsis", mode: "nsis", ext: ["nsh", "nsi"]},
    {name: "NTriples", mimes: ["application/n-triples", "application/n-quads", "text/n-triples"],
     mode: "ntriples", ext: ["nt", "nq"]},
    {name: "Objective-C", mime: "text/x-objectivec", mode: "clike", ext: ["m"], alias: ["objective-c", "objc"]},
    {name: "Objective-C++", mime: "text/x-objectivec++", mode: "clike", ext: ["mm"], alias: ["objective-c++", "objc++"]},
    {name: "OCaml", mime: "text/x-ocaml", mode: "mllike", ext: ["ml", "mli", "mll", "mly"]},
    {name: "Octave", mime: "text/x-octave", mode: "octave", ext: ["m"]},
    {name: "Oz", mime: "text/x-oz", mode: "oz", ext: ["oz"]},
    {name: "Pascal", mime: "text/x-pascal", mode: "pascal", ext: ["p", "pas"]},
    {name: "PEG.js", mime: "null", mode: "pegjs", ext: ["jsonld"]},
    {name: "Perl", mime: "text/x-perl", mode: "perl", ext: ["pl", "pm"]},
    {name: "PHP", mimes: ["text/x-php", "application/x-httpd-php", "application/x-httpd-php-open"], mode: "php", ext: ["php", "php3", "php4", "php5", "php7", "phtml"]},
    {name: "Pig", mime: "text/x-pig", mode: "pig", ext: ["pig"]},
    {name: "Plain Text", mime: "text/plain", mode: "null", ext: ["txt", "text", "conf", "def", "list", "log"]},
    {name: "PLSQL", mime: "text/x-plsql", mode: "sql", ext: ["pls"]},
    {name: "PostgreSQL", mime: "text/x-pgsql", mode: "sql"},
    {name: "PowerShell", mime: "application/x-powershell", mode: "powershell", ext: ["ps1", "psd1", "psm1"]},
    {name: "Properties files", mime: "text/x-properties", mode: "properties", ext: ["properties", "ini", "in"], alias: ["ini", "properties"]},
    {name: "ProtoBuf", mime: "text/x-protobuf", mode: "protobuf", ext: ["proto"]},
    {name: "Python", mime: "text/x-python", mode: "python", ext: ["BUILD", "bzl", "py", "pyw"], file: /^(BUCK|BUILD)$/},
    {name: "Puppet", mime: "text/x-puppet", mode: "puppet", ext: ["pp"]},
    {name: "Q", mime: "text/x-q", mode: "q", ext: ["q"]},
    {name: "R", mime: "text/x-rsrc", mode: "r", ext: ["r", "R"], alias: ["rscript"]},
    {name: "reStructuredText", mime: "text/x-rst", mode: "rst", ext: ["rst"], alias: ["rst"]},
    {name: "RPM Changes", mime: "text/x-rpm-changes", mode: "rpm"},
    {name: "RPM Spec", mime: "text/x-rpm-spec", mode: "rpm", ext: ["spec"]},
    {name: "Ruby", mime: "text/x-ruby", mode: "ruby", ext: ["rb"], alias: ["jruby", "macruby", "rake", "rb", "rbx"]},
    {name: "Rust", mime: "text/x-rustsrc", mode: "rust", ext: ["rs"]},
    {name: "SAS", mime: "text/x-sas", mode: "sas", ext: ["sas"]},
    {name: "Sass", mime: "text/x-sass", mode: "sass", ext: ["sass"]},
    {name: "Scala", mime: "text/x-scala", mode: "clike", ext: ["scala"]},
    {name: "Scheme", mime: "text/x-scheme", mode: "scheme", ext: ["scm", "ss"]},
    {name: "SCSS", mime: "text/x-scss", mode: "css", ext: ["scss"]},
    {name: "Shell", mimes: ["text/x-sh", "application/x-sh"], mode: "shell", ext: ["sh", "ksh", "bash"], alias: ["bash", "sh", "zsh"], file: /^PKGBUILD$/},
    {name: "Sieve", mime: "application/sieve", mode: "sieve", ext: ["siv", "sieve"]},
    {name: "Slim", mimes: ["text/x-slim", "application/x-slim"], mode: "slim", ext: ["slim"]},
    {name: "Smalltalk", mime: "text/x-stsrc", mode: "smalltalk", ext: ["st"]},
    {name: "Smarty", mime: "text/x-smarty", mode: "smarty", ext: ["tpl"]},
    {name: "Solr", mime: "text/x-solr", mode: "solr"},
    {name: "SML", mime: "text/x-sml", mode: "mllike", ext: ["sml", "sig", "fun", "smackspec"]},
    {name: "Soy", mime: "text/x-soy", mode: "soy", ext: ["soy"], alias: ["closure template"]},
    {name: "SPARQL", mime: "application/sparql-query", mode: "sparql", ext: ["rq", "sparql"], alias: ["sparul"]},
    {name: "Spreadsheet", mime: "text/x-spreadsheet", mode: "spreadsheet", alias: ["excel", "formula"]},
    {name: "SQL", mime: "text/x-sql", mode: "sql", ext: ["sql"]},
    {name: "SQLite", mime: "text/x-sqlite", mode: "sql"},
    {name: "Squirrel", mime: "text/x-squirrel", mode: "clike", ext: ["nut"]},
    {name: "Stylus", mime: "text/x-styl", mode: "stylus", ext: ["styl"]},
    {name: "Swift", mime: "text/x-swift", mode: "swift", ext: ["swift"]},
    {name: "sTeX", mime: "text/x-stex", mode: "stex"},
    {name: "LaTeX", mime: "text/x-latex", mode: "stex", ext: ["text", "ltx", "tex"], alias: ["tex"]},
    {name: "SystemVerilog", mime: "text/x-systemverilog", mode: "verilog", ext: ["v", "sv", "svh"]},
    {name: "Tcl", mime: "text/x-tcl", mode: "tcl", ext: ["tcl"]},
    {name: "Textile", mime: "text/x-textile", mode: "textile", ext: ["textile"]},
    {name: "TiddlyWiki", mime: "text/x-tiddlywiki", mode: "tiddlywiki"},
    {name: "Tiki wiki", mime: "text/tiki", mode: "tiki"},
    {name: "TOML", mime: "text/x-toml", mode: "toml", ext: ["toml"]},
    {name: "Tornado", mime: "text/x-tornado", mode: "tornado"},
    {name: "troff", mime: "text/troff", mode: "troff", ext: ["1", "2", "3", "4", "5", "6", "7", "8", "9"]},
    {name: "TTCN", mime: "text/x-ttcn", mode: "ttcn", ext: ["ttcn", "ttcn3", "ttcnpp"]},
    {name: "TTCN_CFG", mime: "text/x-ttcn-cfg", mode: "ttcn-cfg", ext: ["cfg"]},
    {name: "Turtle", mime: "text/turtle", mode: "turtle", ext: ["ttl"]},
    {name: "TypeScript", mime: "application/typescript", mode: "javascript", ext: ["ts"], alias: ["ts"]},
    {name: "TypeScript-JSX", mime: "text/typescript-jsx", mode: "jsx", ext: ["tsx"], alias: ["tsx"]},
    {name: "Twig", mime: "text/x-twig", mode: "twig"},
    {name: "Web IDL", mime: "text/x-webidl", mode: "webidl", ext: ["webidl"]},
    {name: "VB.NET", mime: "text/x-vb", mode: "vb", ext: ["vb"]},
    {name: "VBScript", mime: "text/vbscript", mode: "vbscript", ext: ["vbs"]},
    {name: "Velocity", mime: "text/velocity", mode: "velocity", ext: ["vtl"]},
    {name: "Verilog", mime: "text/x-verilog", mode: "verilog", ext: ["v"]},
    {name: "VHDL", mime: "text/x-vhdl", mode: "vhdl", ext: ["vhd", "vhdl"]},
    {name: "Vue.js Component", mimes: ["script/x-vue", "text/x-vue"], mode: "vue", ext: ["vue"]},
    {name: "XML", mimes: ["application/xml", "text/xml"], mode: "xml", ext: ["xml", "xsl", "xsd", "svg"], alias: ["rss", "wsdl", "xsd"]},
    {name: "XQuery", mime: "application/xquery", mode: "xquery", ext: ["xy", "xquery"]},
    {name: "Yacas", mime: "text/x-yacas", mode: "yacas", ext: ["ys"]},
    {name: "YAML", mimes: ["text/x-yaml", "text/yaml"], mode: "yaml", ext: ["yaml", "yml"], alias: ["yml"]},
    {name: "Z80", mime: "text/x-z80", mode: "z80", ext: ["z80"]},
    {name: "mscgen", mime: "text/x-mscgen", mode: "mscgen", ext: ["mscgen", "mscin", "msc"]},
    {name: "xu", mime: "text/x-xu", mode: "mscgen", ext: ["xu"]},
    {name: "msgenny", mime: "text/x-msgenny", mode: "mscgen", ext: ["msgenny"]},
    {name: "WebAssembly", mime: "text/webassembly", mode: "wast", ext: ["wat", "wast"]},
  ];
  // Ensure all modes have a mime property for backwards compatibility
  for (var i = 0; i < CodeMirror.modeInfo.length; i++) {
    var info = CodeMirror.modeInfo[i];
    if (info.mimes) info.mime = info.mimes[0];
  }

  CodeMirror.findModeByMIME = function(mime) {
    mime = mime.toLowerCase();
    for (var i = 0; i < CodeMirror.modeInfo.length; i++) {
      var info = CodeMirror.modeInfo[i];
      if (info.mime == mime) return info;
      if (info.mimes) for (var j = 0; j < info.mimes.length; j++)
        if (info.mimes[j] == mime) return info;
    }
    if (/\+xml$/.test(mime)) return CodeMirror.findModeByMIME("application/xml")
    if (/\+json$/.test(mime)) return CodeMirror.findModeByMIME("application/json")
  };

  CodeMirror.findModeByExtension = function(ext) {
    ext = ext.toLowerCase();
    for (var i = 0; i < CodeMirror.modeInfo.length; i++) {
      var info = CodeMirror.modeInfo[i];
      if (info.ext) for (var j = 0; j < info.ext.length; j++)
        if (info.ext[j] == ext) return info;
    }
  };

  CodeMirror.findModeByFileName = function(filename) {
    for (var i = 0; i < CodeMirror.modeInfo.length; i++) {
      var info = CodeMirror.modeInfo[i];
      if (info.file && info.file.test(filename)) return info;
    }
    var dot = filename.lastIndexOf(".");
    var ext = dot > -1 && filename.substring(dot + 1, filename.length);
    if (ext) return CodeMirror.findModeByExtension(ext);
  };

  CodeMirror.findModeByName = function(name) {
    name = name.toLowerCase();
    for (var i = 0; i < CodeMirror.modeInfo.length; i++) {
      var info = CodeMirror.modeInfo[i];
      if (info.name.toLowerCase() == name) return info;
      if (info.alias) for (var j = 0; j < info.alias.length; j++)
        if (info.alias[j].toLowerCase() == name) return info;
    }
  };
});

// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.

define('base/js/utils',[
    'jquery',
    'codemirror/lib/codemirror',
    'moment',
    'underscore',
    // silently upgrades CodeMirror
    'codemirror/mode/meta',
], function($, CodeMirror, moment, _){
    "use strict";
    
    // keep track of which extensions have been loaded already
    var extensions_loaded = [];

    /**
     * Whether or not an extension has been loaded
     * @param  {string} extension - name of the extension
     * @return {boolean}            true if loaded already
     */
    var is_loaded = function(extension) {
        var ext_path = "nbextensions/" + extension;
        return extensions_loaded.indexOf(ext_path) >= 0;
    };

    /**
     * Load a single extension.
     * @param  {string} extension - extension path.
     * @return {Promise} that resolves to an extension module handle
     */
    var load_extension = function (extension) {
        return new Promise(function(resolve, reject) {
            var ext_path = "nbextensions/" + extension;
            requirejs([ext_path], function(module) {
                if (!is_loaded(extension)) {
                    console.log("Loading extension: " + extension);
                    if (module && module.load_ipython_extension) {
                        Promise.resolve(module.load_ipython_extension()).then(function() {
                            resolve(module);
                        }).catch(reject);
                    }
                    extensions_loaded.push(ext_path);
                } else {
                    console.log("Loaded extension already: " + extension);
                    resolve(module);
                }
            }, function(err) {
                reject(err);
            });
        });
    };

    /**
     * Load multiple extensions.
     * Takes n-args, where each arg is a string path to the extension.
     * @return {Promise} that resolves to a list of loaded module handles.
     */
    var load_extensions = function () {
        console.log('load_extensions', arguments);
        return Promise.all(Array.prototype.map.call(arguments, load_extension)).catch(function(err) {
            console.error("Failed to load extension" + (err.requireModules.length>1?'s':'') + ":", err.requireModules, err);
        });
    };

    /**
     * Return a list of extensions that should be active
     * The config for nbextensions comes in as a dict where keys are
     * nbextensions paths and the values are a bool indicating if it
     * should be active. This returns a list of nbextension paths
     * where the value is true
     */
    function filter_extensions(nbext_config) {
        var active = [];
        Object.keys(nbext_config).forEach(function (nbext) {
            if (nbext_config[nbext]) {active.push(nbext);}
        });
        return active;
    }

    /**
     * Wait for a config section to load, and then load the extensions specified
     * in a 'load_extensions' key inside it.
     */
    function load_extensions_from_config(section) {
        return section.loaded.then(function() {
            if (section.data.load_extensions) {
                var active = filter_extensions(section.data.load_extensions);
                return load_extensions.apply(this, active);
            }
        }).catch(utils.reject('Could not load nbextensions from ' + section.section_name + ' config file'));
    }

    //============================================================================
    // Cross-browser RegEx Split
    //============================================================================

    // This code has been MODIFIED from the code licensed below to not replace the
    // default browser split.  The license is reproduced here.

    // see http://blog.stevenlevithan.com/archives/cross-browser-split for more info:
    /*!
     * Cross-Browser Split 1.1.1
     * Copyright 2007-2012 Steven Levithan <stevenlevithan.com>
     * Available under the MIT License
     * ECMAScript compliant, uniform cross-browser split method
     */

    /**
     * Splits a string into an array of strings using a regex or string
     * separator. Matches of the separator are not included in the result array.
     * However, if `separator` is a regex that contains capturing groups,
     * backreferences are spliced into the result each time `separator` is
     * matched. Fixes browser bugs compared to the native
     * `String.prototype.split` and can be used reliably cross-browser.
     * @param {String} str String to split.
     * @param {RegExp} separator Regex to use for separating
     *     the string.
     * @param {Number} [limit] Maximum number of items to include in the result
     *     array.
     * @returns {Array} Array of substrings.
     * @example
     *
     * // Basic use
     * regex_split('a b c d', ' ');
     * // -> ['a', 'b', 'c', 'd']
     *
     * // With limit
     * regex_split('a b c d', ' ', 2);
     * // -> ['a', 'b']
     *
     * // Backreferences in result array
     * regex_split('..word1 word2..', /([a-z]+)(\d+)/i);
     * // -> ['..', 'word', '1', ' ', 'word', '2', '..']
     */
    var regex_split = function (str, separator, limit) {
        var output = [],
            flags = (separator.ignoreCase ? "i" : "") +
                    (separator.multiline  ? "m" : "") +
                    (separator.extended   ? "x" : "") + // Proposed for ES6
                    (separator.sticky     ? "y" : ""), // Firefox 3+
            lastLastIndex = 0,
            separator2, match, lastIndex, lastLength;
        // Make `global` and avoid `lastIndex` issues by working with a copy
        separator = new RegExp(separator.source, flags + "g");

        var compliantExecNpcg = typeof(/()??/.exec("")[1]) === "undefined";
        if (!compliantExecNpcg) {
            // Doesn't need flags gy, but they don't hurt
            separator2 = new RegExp("^" + separator.source + "$(?!\\s)", flags);
        }
        /* Values for `limit`, per the spec:
         * If undefined: 4294967295 // Math.pow(2, 32) - 1
         * If 0, Infinity, or NaN: 0
         * If positive number: limit = Math.floor(limit); if (limit > 4294967295) limit -= 4294967296;
         * If negative number: 4294967296 - Math.floor(Math.abs(limit))
         * If other: Type-convert, then use the above rules
         */
        limit = typeof(limit) === "undefined" ?
            -1 >>> 0 : // Math.pow(2, 32) - 1
            limit >>> 0; // ToUint32(limit)
        for (match = separator.exec(str); match; match = separator.exec(str)) {
            // `separator.lastIndex` is not reliable cross-browser
            lastIndex = match.index + match[0].length;
            if (lastIndex > lastLastIndex) {
                output.push(str.slice(lastLastIndex, match.index));
                // Fix browsers whose `exec` methods don't consistently return `undefined` for
                // nonparticipating capturing groups
                if (!compliantExecNpcg && match.length > 1) {
                    match[0].replace(separator2, function () {
                        for (var i = 1; i < arguments.length - 2; i++) {
                            if (typeof(arguments[i]) === "undefined") {
                                match[i] = undefined;
                            }
                        }
                    });
                }
                if (match.length > 1 && match.index < str.length) {
                    Array.prototype.push.apply(output, match.slice(1));
                }
                lastLength = match[0].length;
                lastLastIndex = lastIndex;
                if (output.length >= limit) {
                    break;
                }
            }
            if (separator.lastIndex === match.index) {
                separator.lastIndex++; // Avoid an infinite loop
            }
        }
        if (lastLastIndex === str.length) {
            if (lastLength || !separator.test("")) {
                output.push("");
            }
        } else {
            output.push(str.slice(lastLastIndex));
        }
        return output.length > limit ? output.slice(0, limit) : output;
    };

    //============================================================================
    // End contributed Cross-browser RegEx Split
    //============================================================================


    var uuid = function () {
        /**
         * http://www.ietf.org/rfc/rfc4122.txt
         */
        var s = [];
        var hexDigits = "0123456789abcdef";
        for (var i = 0; i < 32; i++) {
            s[i] = hexDigits.substr(Math.floor(Math.random() * 0x10), 1);
        }
        s[12] = "4";  // bits 12-15 of the time_hi_and_version field to 0010
        s[16] = hexDigits.substr((s[16] & 0x3) | 0x8, 1);  // bits 6-7 of the clock_seq_hi_and_reserved to 01

        var uuid = s.join("");
        return uuid;
    };

    var _ANSI_COLORS = [
        "ansi-black",
        "ansi-red",
        "ansi-green",
        "ansi-yellow",
        "ansi-blue",
        "ansi-magenta",
        "ansi-cyan",
        "ansi-white",
        "ansi-black-intense",
        "ansi-red-intense",
        "ansi-green-intense",
        "ansi-yellow-intense",
        "ansi-blue-intense",
        "ansi-magenta-intense",
        "ansi-cyan-intense",
        "ansi-white-intense",
    ];
    
    function _pushColoredChunk(chunk, fg, bg, bold, underline, inverse, out) {
        if (chunk) {
            var classes = [];
            var styles = [];

            if (bold && typeof fg === "number" && 0 <= fg && fg < 8) {
                fg += 8;  // Bold text uses "intense" colors
            }
            if (inverse) {
                [fg, bg] = [bg, fg];
            }

            if (typeof fg === "number") {
                classes.push(_ANSI_COLORS[fg] + "-fg");
            } else if (fg.length) {
                styles.push("color: rgb(" + fg + ")");
            } else if (inverse) {
                classes.push("ansi-default-inverse-fg");
            }

            if (typeof bg === "number") {
                classes.push(_ANSI_COLORS[bg] + "-bg");
            } else if (bg.length) {
                styles.push("background-color: rgb(" + bg + ")");
            } else if (inverse) {
                classes.push("ansi-default-inverse-bg");
            }

            if (bold) {
                classes.push("ansi-bold");
            }

            if (underline) {
                classes.push("ansi-underline");
            }

            if (classes.length || styles.length) {
                out.push("<span");
                if (classes.length) {
                    out.push(' class="' + classes.join(" ") + '"');
                }
                if (styles.length) {
                    out.push(' style="' + styles.join("; ") + '"');
                }
                out.push(">");
                out.push(chunk);
                out.push("</span>");
            } else {
                out.push(chunk);
            }
        }
    }

    function _getExtendedColors(numbers) {
        var r, g, b;
        var n = numbers.shift();
        if (n === 2 && numbers.length >= 3) {
            // 24-bit RGB
            r = numbers.shift();
            g = numbers.shift();
            b = numbers.shift();
            if ([r, g, b].some(function (c) { return c < 0 || 255 < c; })) {
                throw new RangeError("Invalid range for RGB colors");
            }
        } else if (n === 5 && numbers.length >= 1) {
            // 256 colors
            var idx = numbers.shift();
            if (idx < 0) {
                throw new RangeError("Color index must be >= 0");
            } else if (idx < 16) {
                // 16 default terminal colors
                return idx;
            } else if (idx < 232) {
                // 6x6x6 color cube, see https://stackoverflow.com/a/27165165/500098
                r = Math.floor((idx - 16) / 36);
                r = r > 0 ? 55 + r * 40 : 0;
                g = Math.floor(((idx - 16) % 36) / 6);
                g = g > 0 ? 55 + g * 40 : 0;
                b = (idx - 16) % 6;
                b = b > 0 ? 55 + b * 40 : 0;
            } else if (idx < 256) {
                // grayscale, see https://stackoverflow.com/a/27165165/500098
                r = g = b = (idx - 232) * 10 + 8;
            } else {
                throw new RangeError("Color index must be < 256");
            }
        } else {
            throw new RangeError("Invalid extended color specification");
        }
        return [r, g, b];
    }

    function _ansispan(str) {
        var ansi_re = /\x1b\[(.*?)([@-~])/g;
        var fg = [];
        var bg = [];
        var bold = false;
        var underline = false;
        var inverse = false;
        var match;
        var out = [];
        var numbers = [];
        var start = 0;

        str += "\x1b[m";  // Ensure markup for trailing text
        while ((match = ansi_re.exec(str))) {
            if (match[2] === "m") {
                var items = match[1].split(";");
                for (var i = 0; i < items.length; i++) {
                    var item = items[i];
                    if (item === "") {
                        numbers.push(0);
                    } else if (item.search(/^\d+$/) !== -1) {
                        numbers.push(parseInt(item));
                    } else {
                        // Ignored: Invalid color specification
                        numbers.length = 0;
                        break;
                    }
                }
            } else {
                // Ignored: Not a color code
            }
            var chunk = str.substring(start, match.index);
	    _pushColoredChunk(chunk, fg, bg, bold, underline, inverse, out);
            start = ansi_re.lastIndex;

            while (numbers.length) {
                var n = numbers.shift();
                switch (n) {
                    case 0:
                        fg = bg = [];
                        bold = false;
                        underline = false;
                        inverse = false;
                        break;
                    case 1:
                    case 5:
                        bold = true;
                        break;
                    case 4:
                        underline = true;
                        break;
                    case 7:
                        inverse = true;
                        break;
                    case 21:
                    case 22:
                        bold = false;
                        break;
                    case 24:
                        underline = false;
                        break;
                    case 27:
                        inverse = false;
                        break;
                    case 30:
                    case 31:
                    case 32:
                    case 33:
                    case 34:
                    case 35:
                    case 36:
                    case 37:
                        fg = n - 30;
                        break;
                    case 38:
                        try {
                            fg = _getExtendedColors(numbers);
                        } catch(e) {
                            numbers.length = 0;
                        }
                        break;
                    case 39:
                        fg = [];
                        break;
                    case 40:
                    case 41:
                    case 42:
                    case 43:
                    case 44:
                    case 45:
                    case 46:
                    case 47:
                        bg = n - 40;
                        break;
                    case 48:
                        try {
                            bg = _getExtendedColors(numbers);
                        } catch(e) {
                            numbers.length = 0;
                        }
                        break;
                    case 49:
                        bg = [];
                        break;
		    case 90:
		    case 91:
		    case 92:
		    case 93:
		    case 94:
		    case 95:
		    case 96:
		    case 97:
			fg = n - 90 + 8;
                        break;
		    case 100:
		    case 101:
		    case 102:
		    case 103:
		    case 104:
		    case 105:
		    case 106:
		    case 107:
			bg = n - 100 + 8;
                        break;
                    default:
                        // Unknown codes are ignored
                }
            }
        }
        return out.join("");
    }

    // Transform ANSI color escape codes into HTML <span> tags with CSS
    // classes such as "ansi-green-intense-fg".
    // The actual colors used are set in the CSS file.
    // This is supposed to have the same behavior as nbconvert.filters.ansi2html()
    function fixConsole(txt) {
        txt = _.escape(txt);

        // color ansi codes (and remove non-color escape sequences)
        txt = _ansispan(txt);
        return txt;
    }

    // Remove chunks that should be overridden by the effect of
    // carriage return characters
    function fixCarriageReturn(txt) {
        txt = txt.replace(/\r+\n/gm, '\n'); // \r followed by \n --> newline
        while (txt.search(/\r[^$]/g) > -1) {
            var base = txt.match(/^(.*)\r+/m)[1];
            var insert = txt.match(/\r+(.*)$/m)[1];
            insert = insert + base.slice(insert.length, base.length);
            txt = txt.replace(/\r+.*$/m, '\r').replace(/^.*\r/m, insert);
        }
        return txt;
    }

    // Remove characters that are overridden by backspace characters
    function fixBackspace(txt) {
        var tmp = txt;
        do {
            txt = tmp;
            // Cancel out anything-but-newline followed by backspace
            tmp = txt.replace(/[^\n]\x08/gm, '');
        } while (tmp.length < txt.length);
        return txt;
    }

    // Remove characters overridden by backspace and carriage return
    function fixOverwrittenChars(txt) {
        return fixCarriageReturn(fixBackspace(txt));
    }

    // Locate any URLs and convert them to an anchor tag
    function autoLinkUrls(txt) {
        return txt.replace(/(^|\s)(https?|ftp)(:[^'"<>\s]+)/gi,
            "$1<a target=\"_blank\" href=\"$2$3\">$2$3</a>");
    }

    var points_to_pixels = function (points) {
        /**
         * A reasonably good way of converting between points and pixels.
         */
        var test = $('<div style="display: none; width: 10000pt; padding:0; border:0;"></div>');
        $('body').append(test);
        var pixel_per_point = test.width()/10000;
        test.remove();
        return Math.floor(points*pixel_per_point);
    };
    
    var always_new = function (constructor) {
        /**
         * wrapper around contructor to avoid requiring `var a = new constructor()`
         * useful for passing constructors as callbacks,
         * not for programmer laziness.
         * from https://programmers.stackexchange.com/questions/118798
         */
        return function () {
            var obj = Object.create(constructor.prototype);
            constructor.apply(obj, arguments);
            return obj;
        };
    };

    var url_path_join = function () {
        /**
         * join a sequence of url components with '/'
         */
        var url = '';
        for (var i = 0; i < arguments.length; i++) {
            if (arguments[i] === '') {
                continue;
            }
            if (url.length > 0 && url[url.length-1] != '/') {
                url = url + '/' + arguments[i];
            } else {
                url = url + arguments[i];
            }
        }
        url = url.replace(/\/\/+/, '/');
        return url;
    };
    
    var url_path_split = function (path) {
        /**
         * Like os.path.split for URLs.
         * Always returns two strings, the directory path and the base filename
         */
        
        var idx = path.lastIndexOf('/');
        if (idx === -1) {
            return ['', path];
        } else {
            return [ path.slice(0, idx), path.slice(idx + 1) ];
        }
    };
    
    var parse_url = function (url) {
        /**
         * an `a` element with an href allows attr-access to the parsed segments of a URL
         * a = parse_url("http://localhost:8888/path/name#hash")
         * a.protocol = "http:"
         * a.host     = "localhost:8888"
         * a.hostname = "localhost"
         * a.port     = 8888
         * a.pathname = "/path/name"
         * a.hash     = "#hash"
         */
        var a = document.createElement("a");
        a.href = url;
        return a;
    };
    
    var encode_uri_components = function (uri) {
        /**
         * encode just the components of a multi-segment uri,
         * leaving '/' separators
         */
        return uri.split('/').map(encodeURIComponent).join('/');
    };
    
    var url_join_encode = function () {
        /**
         * join a sequence of url components with '/',
         * encoding each component with encodeURIComponent
         */
        return encode_uri_components(url_path_join.apply(null, arguments));
    };


    var splitext = function (filename) {
        /**
         * mimic Python os.path.splitext
         * Returns ['base', '.ext']
         */
        var idx = filename.lastIndexOf('.');
        if (idx > 0) {
            return [filename.slice(0, idx), filename.slice(idx)];
        } else {
            return [filename, ''];
        }
    };


    var escape_html = function (text) {
        /**
         * escape text to HTML
         */
        return $("<div/>").text(text).html();
    };


    var get_body_data = function(key) {
        /**
         * get a url-encoded item from body.data and decode it
         * we should never have any encoded URLs anywhere else in code
         * until we are building an actual request
         */
        var val = $('body').data(key);
        if (typeof val === 'undefined')
            return val;
        return decodeURIComponent(val);
    };
    
    var to_absolute_cursor_pos = function (cm, cursor) {
        console.warn('`utils.to_absolute_cursor_pos(cm, pos)` is deprecated. Use `cm.indexFromPos(cursor)`');
        return cm.indexFromPos(cursor);
    };
    
    var from_absolute_cursor_pos = function (cm, cursor_pos) {
        console.warn('`utils.from_absolute_cursor_pos(cm, pos)` is deprecated. Use `cm.posFromIndex(index)`');
        return cm.posFromIndex(cursor_pos);
    };
    
    // https://stackoverflow.com/questions/2400935/browser-detection-in-javascript
    var browser = (function() {
        if (typeof navigator === 'undefined') {
            // navigator undefined in node
            return 'None';
        }
        var N= navigator.appName, ua= navigator.userAgent, tem;
        var M= ua.match(/(opera|chrome|safari|firefox|msie)\/?\s*(\.?\d+(\.\d+)*)/i);
        if (M && (tem= ua.match(/version\/([\.\d]+)/i)) !== null) M[2]= tem[1];
        M= M? [M[1], M[2]]: [N, navigator.appVersion,'-?'];
        return M;
    })();

    // https://stackoverflow.com/questions/11219582/how-to-detect-my-browser-version-and-operating-system-using-javascript
    var platform = (function () {
        if (typeof navigator === 'undefined') {
            // navigator undefined in node
            return 'None';
        }
        var OSName="None";
        if (navigator.appVersion.indexOf("Win")!=-1) OSName="Windows";
        if (navigator.appVersion.indexOf("Mac")!=-1) OSName="MacOS";
        if (navigator.appVersion.indexOf("X11")!=-1) OSName="UNIX";
        if (navigator.appVersion.indexOf("Linux")!=-1) OSName="Linux";
        return OSName;
    })();
    
    var get_url_param = function (name) {
        // get a URL parameter. I cannot believe we actually need this.
        // Based on https://stackoverflow.com/a/25359264/938949
        var match = new RegExp('[?&]' + name + '=([^&]*)').exec(window.location.search);
        if (match){
            return decodeURIComponent(match[1] || '');
        }
    };
    
    var is_or_has = function (a, b) {
        /**
         * Is b a child of a or a itself?
         */
        return a.has(b).length !==0 || a.is(b);
    };

    var is_focused = function (e) {
        /**
         * Is element e, or one of its children focused?
         */
        e = $(e);
        var target = $(document.activeElement);
        if (target.length > 0) {
            if (is_or_has(e, target)) {
                return true;
            } else {
                return false;
            }
        } else {
            return false;
        }
    };
    
    var mergeopt = function(_class, options, overwrite){
        options = options || {};
        overwrite = overwrite || {};
        return $.extend(true, {}, _class.options_default, options, overwrite);
    };
    
    var ajax_error_msg = function (jqXHR) {
        /**
         * Return a JSON error message if there is one,
         * otherwise the basic HTTP status text.
         */
        if (jqXHR.responseJSON && jqXHR.responseJSON.traceback) {
            return jqXHR.responseJSON.traceback;
        } else if (jqXHR.responseJSON && jqXHR.responseJSON.message) {
            return jqXHR.responseJSON.message;
        } else {
            return jqXHR.statusText;
        }
    };
    var log_ajax_error = function (jqXHR, status, error) {
        /**
         * log ajax failures with informative messages
         */
        var msg = "API request failed (" + jqXHR.status + "): ";
        console.log(jqXHR);
        msg += ajax_error_msg(jqXHR);
        console.log(msg);
    };

    var requireCodeMirrorMode = function (mode, callback, errback) {
        /** 
         * find a predefined mode or detect from CM metadata then
         * require and callback with the resolvable mode string: mime or
         * custom name
         */

        var modename = (typeof mode == "string") ? mode :
            mode.mode || mode.name;

        // simplest, cheapest check by mode name: mode may also have config
        if (CodeMirror.modes.hasOwnProperty(modename)) {
            // return the full mode object, if it has a name
            callback(mode.name ? mode : modename);
            return;
        }

        // *somehow* get back a CM.modeInfo-like object that has .mode and
        // .mime
        var info = (mode && mode.mode && mode.mime && mode) ||
            CodeMirror.findModeByName(modename) ||
            CodeMirror.findModeByExtension(modename.split(".").slice(-1)[0]) ||
            CodeMirror.findModeByMIME(modename) ||
            {mode: modename, mime: modename};

        requirejs([
                // might want to use CodeMirror.modeURL here
                ['codemirror/mode', info.mode, info.mode].join('/'),
            ], function() {
              // return the original mode, as from a kernelspec on first load
              // or the mimetype, as for most highlighting
              callback(mode.name ? mode : info.mime);
            }, errback
        );
    };
    
    /** Error type for wrapped XHR errors. */
    var XHR_ERROR = 'XhrError';
    
    /**
     * Wraps an AJAX error as an Error object.
     */
    var wrap_ajax_error = function (jqXHR, status, error) {
        var wrapped_error = new Error(ajax_error_msg(jqXHR));
        wrapped_error.name =  XHR_ERROR;
        // provide xhr response
        wrapped_error.xhr = jqXHR;
        wrapped_error.xhr_status = status;
        wrapped_error.xhr_error = error;
        return wrapped_error;
    };
    
    var ajax = function (url, settings) {
        // like $.ajax, but ensure XSRF or Authorization header is set
        if (typeof url === "object") {
            // called with single argument: $.ajax({url: '...'})
            settings = url;
            url = settings.url;
            delete settings.url;
        }
        settings = _add_auth_header(settings);
        return $.ajax(url, settings);
    };
    
    var _get_cookie = function (name) {
        // from tornado docs: http://www.tornadoweb.org/en/stable/guide/security.html
        var r = document.cookie.match("\\b" + name + "=([^;]*)\\b");
        return r ? r[1] : undefined;
    }

    var _add_auth_header = function (settings) {
        /**
         * Adds auth header to jquery ajax settings
         */
        settings = settings || {};
        if (!settings.headers) {
            settings.headers = {};
        }
        if (!settings.headers.Authorization) {
            var xsrf_token = _get_cookie('_xsrf');
            if (xsrf_token) {
                settings.headers['X-XSRFToken'] = xsrf_token;
            }
        }
        return settings;
    };

    var promising_ajax = function(url, settings) {
        /**
         * Like $.ajax, but returning an ES6 promise. success and error settings
         * will be ignored.
         */
        settings = settings || {};
        return new Promise(function(resolve, reject) {
            settings.success = function(data, status, jqXHR) {
                resolve(data);
            };
            settings.error = function(jqXHR, status, error) {
                log_ajax_error(jqXHR, status, error);
                reject(wrap_ajax_error(jqXHR, status, error));
            };
            ajax(url, settings);
        });
    };

    var WrappedError = function(message, error){
        /**
         * Wrappable Error class
         *
         * The Error class doesn't actually act on `this`.  Instead it always
         * returns a new instance of Error.  Here we capture that instance so we
         * can apply it's properties to `this`.
         */
        var tmp = Error.apply(this, [message]);

        // Copy the properties of the error over to this.
        var properties = Object.getOwnPropertyNames(tmp);
        for (var i = 0; i < properties.length; i++) {
            this[properties[i]] = tmp[properties[i]];
        }

        // Keep a stack of the original error messages.
        if (error instanceof WrappedError) {
            this.error_stack = error.error_stack;
        } else {
            this.error_stack = [error];
        }
        this.error_stack.push(tmp);

        return this;
    };

    WrappedError.prototype = Object.create(Error.prototype, {});


    var load_class = function(class_name, module_name, registry) {
        /**
         * Tries to load a class
         *
         * Tries to load a class from a module using require.js, if a module 
         * is specified, otherwise tries to load a class from the global 
         * registry, if the global registry is provided.
         */
        return new Promise(function(resolve, reject) {

            // Try loading the view module using require.js
            if (module_name) {
                requirejs([module_name], function(module) {
                    if (module[class_name] === undefined) {
                        reject(new Error('Class '+class_name+' not found in module '+module_name));
                    } else {
                        resolve(module[class_name]);
                    }
                }, reject);
            } else {
                if (registry && registry[class_name]) {
                    resolve(registry[class_name]);
                } else {
                    reject(new Error('Class '+class_name+' not found in registry '));
                }
            }
        });
    };

    var resolve_promises_dict = function(d) {
        /**
         * Resolve a promiseful dictionary.
         * Returns a single Promise.
         */
        var keys = Object.keys(d);
        var values = [];
        keys.forEach(function(key) {
            values.push(d[key]);
        });
        return Promise.all(values).then(function(v) {
            d = {};
            for(var i=0; i<keys.length; i++) {
                d[keys[i]] = v[i];
            }
            return d;
        });
    };

    var reject = function(message, log) {
        /**
         * Creates a wrappable Promise rejection function.
         * 
         * Creates a function that returns a Promise.reject with a new WrappedError
         * that has the provided message and wraps the original error that 
         * caused the promise to reject.
         */
        return function(error) { 
            var wrapped_error = new WrappedError(message, error);
            if (log) {
                console.error(message, " -- ", error);
            }
            return Promise.reject(wrapped_error); 
        };
    };

    var typeset = function(element, text) {
        /**
         * Apply MathJax rendering to an element, and optionally set its text
         *
         * If MathJax is not available, make no changes.
         *
         * Returns the output any number of typeset elements, or undefined if
         * MathJax was not available.
         *
         * Parameters
         * ----------
         * element: Node, NodeList, or jQuery selection
         * text: option string
         */
        var $el = element.jquery ? element : $(element);
        if(arguments.length > 1){
            $el.text(text);
        }
        if(!window.MathJax){
            return;
        }
        $el.map(function(){
            // MathJax takes a DOM node: $.map makes `this` the context
            MathJax.Hub.Queue(["Typeset", MathJax.Hub, this]);
            try {
                MathJax.Hub.Queue(
                    ["Require", MathJax.Ajax, "[MathJax]/extensions/TeX/AMSmath.js"],
                    function() { MathJax.InputJax.TeX.resetEquationNumbers(); }
                );
            } catch (e) {
                console.error("Error queueing resetEquationNumbers:", e);
            }
        });
    };

    var parse_b64_data_uri = function(uri) {
        /**
         * Parses a base64 encoded data-uri to extract mimetype and the
         * base64 string.
         *
         * For example, given 'data:image/png;base64,iVBORw', it will return
         * ["image/png", "iVBORw"]
         *
         * Parameters
         */
        // For performance reasons, the non-greedy ? qualifiers are crucial so
        // that the matcher stops early on big blobs. Without them, it will try
        // to match the whole blob which can take ages
        var regex = /^data:(.+?\/.+?);base64,/;
        var matches = uri.match(regex);
        var mime = matches[1];
        // matches[0] contains the whole data-uri prefix
        var b64_data = uri.slice(matches[0].length);
        return [mime, b64_data];
    };
    
    var time = {};
    time.milliseconds = {};
    time.milliseconds.s = 1000;
    time.milliseconds.m = 60 * time.milliseconds.s;
    time.milliseconds.h = 60 * time.milliseconds.m;
    time.milliseconds.d = 24 * time.milliseconds.h;
    
    time.thresholds = {
        // moment.js thresholds in milliseconds
        s: moment.relativeTimeThreshold('s') * time.milliseconds.s,
        m: moment.relativeTimeThreshold('m') * time.milliseconds.m,
        h: moment.relativeTimeThreshold('h') * time.milliseconds.h,
        d: moment.relativeTimeThreshold('d') * time.milliseconds.d,
    };
    
    time.timeout_from_dt = function (dt) {
        /** compute a timeout based on dt
        
        input and output both in milliseconds
        
        use moment's relative time thresholds:
        
        - 10 seconds if in 'seconds ago' territory
        - 1 minute if in 'minutes ago'
        - 1 hour otherwise
        */
        if (dt < time.thresholds.s) {
            return 10 * time.milliseconds.s;
        } else if (dt < time.thresholds.m) {
            return time.milliseconds.m;
        } else {
            return time.milliseconds.h;
        }
    };

    var format_datetime = function(date) {
        var text = moment(date).fromNow();
        return text === 'a few seconds ago' ? 'seconds ago' : text;
    };

    var datetime_sort_helper = function(a, b, order) {
        if (moment(a).isBefore(moment(b))) {
            return (order == 1) ? -1 : 1;
        } else if (moment(a).isSame(moment(b))) {
            return 0;
        } else {
            return (order == 1) ? 1 : -1;
        }
    };
    
    /**
    source: https://github.com/sindresorhus/pretty-bytes
    The MIT License (MIT)

    Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)

    Permission is hereby granted, free of charge, to any person obtaining a copy
    of this software and associated documentation files (the "Software"), to deal
    in the Software without restriction, including without limitation the rights
    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    copies of the Software, and to permit persons to whom the Software is
    furnished to do so, subject to the following conditions:

    The above copyright notice and this permission notice shall be included in
    all copies or substantial portions of the Software.

    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    THE SOFTWARE.
    **/
    var format_filesize = function(num) {
      if (num === undefined || num === null)
        return;

      var UNITS = ['B', 'kB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'];

      if (!Number.isFinite(num)) {
        console.error("Expected finite number, got ", typeof(num) + ": " + num);
      }

      var neg = num < 0;

      if (neg) {
        num = -num;
      }

      if (num < 1) {
        return (neg ? '-' : '') + num + ' B';
      }

      var exponent = Math.min(Math.floor(Math.log10(num) / 3), UNITS.length - 1);
      var numStr = Number((num / Math.pow(1000, exponent)).toPrecision(3));
      var unit = UNITS[exponent];

      return (neg ? '-' : '') + numStr + ' ' + unit;
    }

    // javascript stores text as utf16 and string indices use "code units",
    // which stores high-codepoint characters as "surrogate pairs",
    // which occupy two indices in the javascript string.
    // We need to translate cursor_pos in the protocol (in characters)
    // to js offset (with surrogate pairs taking two spots).
    function js_idx_to_char_idx (js_idx, text) {
        var char_idx = js_idx;
        for (var i = 0; i + 1 < text.length && i < js_idx; i++) {
            var char_code = text.charCodeAt(i);
            // check for surrogate pair
            if (char_code >= 0xD800 && char_code <= 0xDBFF) {
                var next_char_code = text.charCodeAt(i+1);
                if (next_char_code >= 0xDC00 && next_char_code <= 0xDFFF) {
                    char_idx--;
                    i++;
                }
            }
        }
        return char_idx;
    }

    function char_idx_to_js_idx (char_idx, text) {
        var js_idx = char_idx;
        for (var i = 0; i + 1 < text.length && i < js_idx; i++) {
            var char_code = text.charCodeAt(i);
            // check for surrogate pair
            if (char_code >= 0xD800 && char_code <= 0xDBFF) {
                var next_char_code = text.charCodeAt(i+1);
                if (next_char_code >= 0xDC00 && next_char_code <= 0xDFFF) {
                    js_idx++;
                    i++;
                }
            }
        }
        return js_idx;
    }

    if ('𝐚'.length === 1) {
        // If javascript fixes string indices of non-BMP characters,
        // don't keep shifting offsets to compensate for surrogate pairs
        char_idx_to_js_idx = js_idx_to_char_idx = function (idx, text) { return idx; };
    }

    // Test if a drag'n'drop event contains a file (as opposed to an HTML
    // element/text from the document)
    var dnd_contain_file = function(event) {
        // As per the HTML5 drag'n'drop spec, the dataTransfer.types should
        // contain one "Files" type if a file is being dragged
        // https://www.w3.org/TR/2011/WD-html5-20110113/dnd.html#dom-datatransfer-types
        if (event.dataTransfer.types) {
            for (var i = 0; i < event.dataTransfer.types.length; i++) {
                if (event.dataTransfer.types[i] == "Files") {
                    return true;
                }
            }
        }
        return false;
    };

    var throttle = function(fn, time) {
      var pending = null;

      return function () {
        if (pending) return;
        pending = setTimeout(run, time);

        return function () {
          clearTimeout(pending);
          pending = null;
        }
      }

      function run () {
        pending = null;
        fn();
      }
    }
    
    var change_favicon = function (src) {
        var link = document.createElement('link'),
            oldLink = document.getElementById('favicon');
        link.id = 'favicon';
        link.type = 'image/x-icon';
        link.rel = 'shortcut icon';
        link.href = utils.url_path_join(utils.get_body_data('baseUrl'), src);
        if (oldLink && (link.href === oldLink.href)) {
            // This favicon is already set, don't modify the DOM.
            return;
        }
        if (oldLink) document.head.removeChild(oldLink);
        document.head.appendChild(link);
    };

    var utils = {
        throttle: throttle,
        is_loaded: is_loaded,
        load_extension: load_extension,
        load_extensions: load_extensions,
        filter_extensions: filter_extensions,
        load_extensions_from_config: load_extensions_from_config,
        regex_split : regex_split,
        uuid : uuid,
        fixConsole : fixConsole,
        fixCarriageReturn : fixCarriageReturn,
        fixBackspace : fixBackspace,
        fixOverwrittenChars: fixOverwrittenChars,
        autoLinkUrls : autoLinkUrls,
        points_to_pixels : points_to_pixels,
        get_body_data : get_body_data,
        parse_url : parse_url,
        url_path_split : url_path_split,
        url_path_join : url_path_join,
        url_join_encode : url_join_encode,
        encode_uri_components : encode_uri_components,
        splitext : splitext,
        escape_html : escape_html,
        always_new : always_new,
        to_absolute_cursor_pos : to_absolute_cursor_pos,
        from_absolute_cursor_pos : from_absolute_cursor_pos,
        browser : browser,
        platform: platform,
        get_url_param: get_url_param,
        is_or_has : is_or_has,
        is_focused : is_focused,
        mergeopt: mergeopt,
        requireCodeMirrorMode : requireCodeMirrorMode,
        XHR_ERROR : XHR_ERROR,
        ajax : ajax,
        ajax_error_msg : ajax_error_msg,
        log_ajax_error : log_ajax_error,
        wrap_ajax_error : wrap_ajax_error,
        promising_ajax : promising_ajax,
        WrappedError: WrappedError,
        load_class: load_class,
        resolve_promises_dict: resolve_promises_dict,
        reject: reject,
        typeset: typeset,
        parse_b64_data_uri: parse_b64_data_uri,
        time: time,
        format_datetime: format_datetime,
        format_filesize: format_filesize,
        datetime_sort_helper: datetime_sort_helper,
        dnd_contain_file: dnd_contain_file,
        js_idx_to_char_idx: js_idx_to_char_idx,
        char_idx_to_js_idx: char_idx_to_js_idx,
        _ansispan:_ansispan,
        change_favicon: change_favicon
    };

    return utils;
}); 

/**
 * @preserve jed.js https://github.com/SlexAxton/Jed
 */
/*
-----------
A gettext compatible i18n library for modern JavaScript Applications

by Alex Sexton - AlexSexton [at] gmail - @SlexAxton

MIT License

A jQuery Foundation project - requires CLA to contribute -
https://contribute.jquery.org/CLA/



Jed offers the entire applicable GNU gettext spec'd set of
functions, but also offers some nicer wrappers around them.
The api for gettext was written for a language with no function
overloading, so Jed allows a little more of that.

Many thanks to Joshua I. Miller - unrtst@cpan.org - who wrote
gettext.js back in 2008. I was able to vet a lot of my ideas
against his. I also made sure Jed passed against his tests
in order to offer easy upgrades -- jsgettext.berlios.de
*/
(function (root, undef) {

  // Set up some underscore-style functions, if you already have
  // underscore, feel free to delete this section, and use it
  // directly, however, the amount of functions used doesn't
  // warrant having underscore as a full dependency.
  // Underscore 1.3.0 was used to port and is licensed
  // under the MIT License by Jeremy Ashkenas.
  var ArrayProto    = Array.prototype,
      ObjProto      = Object.prototype,
      slice         = ArrayProto.slice,
      hasOwnProp    = ObjProto.hasOwnProperty,
      nativeForEach = ArrayProto.forEach,
      breaker       = {};

  // We're not using the OOP style _ so we don't need the
  // extra level of indirection. This still means that you
  // sub out for real `_` though.
  var _ = {
    forEach : function( obj, iterator, context ) {
      var i, l, key;
      if ( obj === null ) {
        return;
      }

      if ( nativeForEach && obj.forEach === nativeForEach ) {
        obj.forEach( iterator, context );
      }
      else if ( obj.length === +obj.length ) {
        for ( i = 0, l = obj.length; i < l; i++ ) {
          if ( i in obj && iterator.call( context, obj[i], i, obj ) === breaker ) {
            return;
          }
        }
      }
      else {
        for ( key in obj) {
          if ( hasOwnProp.call( obj, key ) ) {
            if ( iterator.call (context, obj[key], key, obj ) === breaker ) {
              return;
            }
          }
        }
      }
    },
    extend : function( obj ) {
      this.forEach( slice.call( arguments, 1 ), function ( source ) {
        for ( var prop in source ) {
          obj[prop] = source[prop];
        }
      });
      return obj;
    }
  };
  // END Miniature underscore impl

  // Jed is a constructor function
  var Jed = function ( options ) {
    // Some minimal defaults
    this.defaults = {
      "locale_data" : {
        "messages" : {
          "" : {
            "domain"       : "messages",
            "lang"         : "en",
            "plural_forms" : "nplurals=2; plural=(n != 1);"
          }
          // There are no default keys, though
        }
      },
      // The default domain if one is missing
      "domain" : "messages",
      // enable debug mode to log untranslated strings to the console
      "debug" : false
    };

    // Mix in the sent options with the default options
    this.options = _.extend( {}, this.defaults, options );
    this.textdomain( this.options.domain );

    if ( options.domain && ! this.options.locale_data[ this.options.domain ] ) {
      throw new Error('Text domain set to non-existent domain: `' + options.domain + '`');
    }
  };

  // The gettext spec sets this character as the default
  // delimiter for context lookups.
  // e.g.: context\u0004key
  // If your translation company uses something different,
  // just change this at any time and it will use that instead.
  Jed.context_delimiter = String.fromCharCode( 4 );

  function getPluralFormFunc ( plural_form_string ) {
    return Jed.PF.compile( plural_form_string || "nplurals=2; plural=(n != 1);");
  }

  function Chain( key, i18n ){
    this._key = key;
    this._i18n = i18n;
  }

  // Create a chainable api for adding args prettily
  _.extend( Chain.prototype, {
    onDomain : function ( domain ) {
      this._domain = domain;
      return this;
    },
    withContext : function ( context ) {
      this._context = context;
      return this;
    },
    ifPlural : function ( num, pkey ) {
      this._val = num;
      this._pkey = pkey;
      return this;
    },
    fetch : function ( sArr ) {
      if ( {}.toString.call( sArr ) != '[object Array]' ) {
        sArr = [].slice.call(arguments, 0);
      }
      return ( sArr && sArr.length ? Jed.sprintf : function(x){ return x; } )(
        this._i18n.dcnpgettext(this._domain, this._context, this._key, this._pkey, this._val),
        sArr
      );
    }
  });

  // Add functions to the Jed prototype.
  // These will be the functions on the object that's returned
  // from creating a `new Jed()`
  // These seem redundant, but they gzip pretty well.
  _.extend( Jed.prototype, {
    // The sexier api start point
    translate : function ( key ) {
      return new Chain( key, this );
    },

    textdomain : function ( domain ) {
      if ( ! domain ) {
        return this._textdomain;
      }
      this._textdomain = domain;
    },

    gettext : function ( key ) {
      return this.dcnpgettext.call( this, undef, undef, key );
    },

    dgettext : function ( domain, key ) {
     return this.dcnpgettext.call( this, domain, undef, key );
    },

    dcgettext : function ( domain , key /*, category */ ) {
      // Ignores the category anyways
      return this.dcnpgettext.call( this, domain, undef, key );
    },

    ngettext : function ( skey, pkey, val ) {
      return this.dcnpgettext.call( this, undef, undef, skey, pkey, val );
    },

    dngettext : function ( domain, skey, pkey, val ) {
      return this.dcnpgettext.call( this, domain, undef, skey, pkey, val );
    },

    dcngettext : function ( domain, skey, pkey, val/*, category */) {
      return this.dcnpgettext.call( this, domain, undef, skey, pkey, val );
    },

    pgettext : function ( context, key ) {
      return this.dcnpgettext.call( this, undef, context, key );
    },

    dpgettext : function ( domain, context, key ) {
      return this.dcnpgettext.call( this, domain, context, key );
    },

    dcpgettext : function ( domain, context, key/*, category */) {
      return this.dcnpgettext.call( this, domain, context, key );
    },

    npgettext : function ( context, skey, pkey, val ) {
      return this.dcnpgettext.call( this, undef, context, skey, pkey, val );
    },

    dnpgettext : function ( domain, context, skey, pkey, val ) {
      return this.dcnpgettext.call( this, domain, context, skey, pkey, val );
    },

    // The most fully qualified gettext function. It has every option.
    // Since it has every option, we can use it from every other method.
    // This is the bread and butter.
    // Technically there should be one more argument in this function for 'Category',
    // but since we never use it, we might as well not waste the bytes to define it.
    dcnpgettext : function ( domain, context, singular_key, plural_key, val ) {
      // Set some defaults

      plural_key = plural_key || singular_key;

      // Use the global domain default if one
      // isn't explicitly passed in
      domain = domain || this._textdomain;

      var fallback;

      // Handle special cases

      // No options found
      if ( ! this.options ) {
        // There's likely something wrong, but we'll return the correct key for english
        // We do this by instantiating a brand new Jed instance with the default set
        // for everything that could be broken.
        fallback = new Jed();
        return fallback.dcnpgettext.call( fallback, undefined, undefined, singular_key, plural_key, val );
      }

      // No translation data provided
      if ( ! this.options.locale_data ) {
        throw new Error('No locale data provided.');
      }

      if ( ! this.options.locale_data[ domain ] ) {
        throw new Error('Domain `' + domain + '` was not found.');
      }

      if ( ! this.options.locale_data[ domain ][ "" ] ) {
        throw new Error('No locale meta information provided.');
      }

      // Make sure we have a truthy key. Otherwise we might start looking
      // into the empty string key, which is the options for the locale
      // data.
      if ( ! singular_key ) {
        throw new Error('No translation key found.');
      }

      var key  = context ? context + Jed.context_delimiter + singular_key : singular_key,
          locale_data = this.options.locale_data,
          dict = locale_data[ domain ],
          defaultConf = (locale_data.messages || this.defaults.locale_data.messages)[""],
          pluralForms = dict[""].plural_forms || dict[""]["Plural-Forms"] || dict[""]["plural-forms"] || defaultConf.plural_forms || defaultConf["Plural-Forms"] || defaultConf["plural-forms"],
          val_list,
          res;

      var val_idx;
      if (val === undefined) {
        // No value passed in; assume singular key lookup.
        val_idx = 0;

      } else {
        // Value has been passed in; use plural-forms calculations.

        // Handle invalid numbers, but try casting strings for good measure
        if ( typeof val != 'number' ) {
          val = parseInt( val, 10 );

          if ( isNaN( val ) ) {
            throw new Error('The number that was passed in is not a number.');
          }
        }

        val_idx = getPluralFormFunc(pluralForms)(val);
      }

      // Throw an error if a domain isn't found
      if ( ! dict ) {
        throw new Error('No domain named `' + domain + '` could be found.');
      }

      val_list = dict[ key ];

      // If there is no match, then revert back to
      // english style singular/plural with the keys passed in.
      if ( ! val_list || val_idx > val_list.length ) {
        if (this.options.missing_key_callback) {
          this.options.missing_key_callback(key, domain);
        }
        res = [ singular_key, plural_key ];

        // collect untranslated strings
        if (this.options.debug===true) {
          console.log(res[ getPluralFormFunc(pluralForms)( val ) ]);
        }
        return res[ getPluralFormFunc()( val ) ];
      }

      res = val_list[ val_idx ];

      // This includes empty strings on purpose
      if ( ! res  ) {
        res = [ singular_key, plural_key ];
        return res[ getPluralFormFunc()( val ) ];
      }
      return res;
    }
  });


  // We add in sprintf capabilities for post translation value interolation
  // This is not internally used, so you can remove it if you have this
  // available somewhere else, or want to use a different system.

  // We _slightly_ modify the normal sprintf behavior to more gracefully handle
  // undefined values.

  /**
   sprintf() for JavaScript 0.7-beta1
   http://www.diveintojavascript.com/projects/javascript-sprintf

   Copyright (c) Alexandru Marasteanu <alexaholic [at) gmail (dot] com>
   All rights reserved.

   Redistribution and use in source and binary forms, with or without
   modification, are permitted provided that the following conditions are met:
       * Redistributions of source code must retain the above copyright
         notice, this list of conditions and the following disclaimer.
       * Redistributions in binary form must reproduce the above copyright
         notice, this list of conditions and the following disclaimer in the
         documentation and/or other materials provided with the distribution.
       * Neither the name of sprintf() for JavaScript nor the
         names of its contributors may be used to endorse or promote products
         derived from this software without specific prior written permission.

   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
   ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
   WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   DISCLAIMED. IN NO EVENT SHALL Alexandru Marasteanu BE LIABLE FOR ANY
   DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
   (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
   LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
  var sprintf = (function() {
    function get_type(variable) {
      return Object.prototype.toString.call(variable).slice(8, -1).toLowerCase();
    }
    function str_repeat(input, multiplier) {
      for (var output = []; multiplier > 0; output[--multiplier] = input) {/* do nothing */}
      return output.join('');
    }

    var str_format = function() {
      if (!str_format.cache.hasOwnProperty(arguments[0])) {
        str_format.cache[arguments[0]] = str_format.parse(arguments[0]);
      }
      return str_format.format.call(null, str_format.cache[arguments[0]], arguments);
    };

    str_format.format = function(parse_tree, argv) {
      var cursor = 1, tree_length = parse_tree.length, node_type = '', arg, output = [], i, k, match, pad, pad_character, pad_length;
      for (i = 0; i < tree_length; i++) {
        node_type = get_type(parse_tree[i]);
        if (node_type === 'string') {
          output.push(parse_tree[i]);
        }
        else if (node_type === 'array') {
          match = parse_tree[i]; // convenience purposes only
          if (match[2]) { // keyword argument
            arg = argv[cursor];
            for (k = 0; k < match[2].length; k++) {
              if (!arg.hasOwnProperty(match[2][k])) {
                throw(sprintf('[sprintf] property "%s" does not exist', match[2][k]));
              }
              arg = arg[match[2][k]];
            }
          }
          else if (match[1]) { // positional argument (explicit)
            arg = argv[match[1]];
          }
          else { // positional argument (implicit)
            arg = argv[cursor++];
          }

          if (/[^s]/.test(match[8]) && (get_type(arg) != 'number')) {
            throw(sprintf('[sprintf] expecting number but found %s', get_type(arg)));
          }

          // Jed EDIT
          if ( typeof arg == 'undefined' || arg === null ) {
            arg = '';
          }
          // Jed EDIT

          switch (match[8]) {
            case 'b': arg = arg.toString(2); break;
            case 'c': arg = String.fromCharCode(arg); break;
            case 'd': arg = parseInt(arg, 10); break;
            case 'e': arg = match[7] ? arg.toExponential(match[7]) : arg.toExponential(); break;
            case 'f': arg = match[7] ? parseFloat(arg).toFixed(match[7]) : parseFloat(arg); break;
            case 'o': arg = arg.toString(8); break;
            case 's': arg = ((arg = String(arg)) && match[7] ? arg.substring(0, match[7]) : arg); break;
            case 'u': arg = Math.abs(arg); break;
            case 'x': arg = arg.toString(16); break;
            case 'X': arg = arg.toString(16).toUpperCase(); break;
          }
          arg = (/[def]/.test(match[8]) && match[3] && arg >= 0 ? '+'+ arg : arg);
          pad_character = match[4] ? match[4] == '0' ? '0' : match[4].charAt(1) : ' ';
          pad_length = match[6] - String(arg).length;
          pad = match[6] ? str_repeat(pad_character, pad_length) : '';
          output.push(match[5] ? arg + pad : pad + arg);
        }
      }
      return output.join('');
    };

    str_format.cache = {};

    str_format.parse = function(fmt) {
      var _fmt = fmt, match = [], parse_tree = [], arg_names = 0;
      while (_fmt) {
        if ((match = /^[^\x25]+/.exec(_fmt)) !== null) {
          parse_tree.push(match[0]);
        }
        else if ((match = /^\x25{2}/.exec(_fmt)) !== null) {
          parse_tree.push('%');
        }
        else if ((match = /^\x25(?:([1-9]\d*)\$|\(([^\)]+)\))?(\+)?(0|'[^$])?(-)?(\d+)?(?:\.(\d+))?([b-fosuxX])/.exec(_fmt)) !== null) {
          if (match[2]) {
            arg_names |= 1;
            var field_list = [], replacement_field = match[2], field_match = [];
            if ((field_match = /^([a-z_][a-z_\d]*)/i.exec(replacement_field)) !== null) {
              field_list.push(field_match[1]);
              while ((replacement_field = replacement_field.substring(field_match[0].length)) !== '') {
                if ((field_match = /^\.([a-z_][a-z_\d]*)/i.exec(replacement_field)) !== null) {
                  field_list.push(field_match[1]);
                }
                else if ((field_match = /^\[(\d+)\]/.exec(replacement_field)) !== null) {
                  field_list.push(field_match[1]);
                }
                else {
                  throw('[sprintf] huh?');
                }
              }
            }
            else {
              throw('[sprintf] huh?');
            }
            match[2] = field_list;
          }
          else {
            arg_names |= 2;
          }
          if (arg_names === 3) {
            throw('[sprintf] mixing positional and named placeholders is not (yet) supported');
          }
          parse_tree.push(match);
        }
        else {
          throw('[sprintf] huh?');
        }
        _fmt = _fmt.substring(match[0].length);
      }
      return parse_tree;
    };

    return str_format;
  })();

  var vsprintf = function(fmt, argv) {
    argv.unshift(fmt);
    return sprintf.apply(null, argv);
  };

  Jed.parse_plural = function ( plural_forms, n ) {
    plural_forms = plural_forms.replace(/n/g, n);
    return Jed.parse_expression(plural_forms);
  };

  Jed.sprintf = function ( fmt, args ) {
    if ( {}.toString.call( args ) == '[object Array]' ) {
      return vsprintf( fmt, [].slice.call(args) );
    }
    return sprintf.apply(this, [].slice.call(arguments) );
  };

  Jed.prototype.sprintf = function () {
    return Jed.sprintf.apply(this, arguments);
  };
  // END sprintf Implementation

  // Start the Plural forms section
  // This is a full plural form expression parser. It is used to avoid
  // running 'eval' or 'new Function' directly against the plural
  // forms.
  //
  // This can be important if you get translations done through a 3rd
  // party vendor. I encourage you to use this instead, however, I
  // also will provide a 'precompiler' that you can use at build time
  // to output valid/safe function representations of the plural form
  // expressions. This means you can build this code out for the most
  // part.
  Jed.PF = {};

  Jed.PF.parse = function ( p ) {
    var plural_str = Jed.PF.extractPluralExpr( p );
    return Jed.PF.parser.parse.call(Jed.PF.parser, plural_str);
  };

  Jed.PF.compile = function ( p ) {
    // Handle trues and falses as 0 and 1
    function imply( val ) {
      return (val === true ? 1 : val ? val : 0);
    }

    var ast = Jed.PF.parse( p );
    return function ( n ) {
      return imply( Jed.PF.interpreter( ast )( n ) );
    };
  };

  Jed.PF.interpreter = function ( ast ) {
    return function ( n ) {
      var res;
      switch ( ast.type ) {
        case 'GROUP':
          return Jed.PF.interpreter( ast.expr )( n );
        case 'TERNARY':
          if ( Jed.PF.interpreter( ast.expr )( n ) ) {
            return Jed.PF.interpreter( ast.truthy )( n );
          }
          return Jed.PF.interpreter( ast.falsey )( n );
        case 'OR':
          return Jed.PF.interpreter( ast.left )( n ) || Jed.PF.interpreter( ast.right )( n );
        case 'AND':
          return Jed.PF.interpreter( ast.left )( n ) && Jed.PF.interpreter( ast.right )( n );
        case 'LT':
          return Jed.PF.interpreter( ast.left )( n ) < Jed.PF.interpreter( ast.right )( n );
        case 'GT':
          return Jed.PF.interpreter( ast.left )( n ) > Jed.PF.interpreter( ast.right )( n );
        case 'LTE':
          return Jed.PF.interpreter( ast.left )( n ) <= Jed.PF.interpreter( ast.right )( n );
        case 'GTE':
          return Jed.PF.interpreter( ast.left )( n ) >= Jed.PF.interpreter( ast.right )( n );
        case 'EQ':
          return Jed.PF.interpreter( ast.left )( n ) == Jed.PF.interpreter( ast.right )( n );
        case 'NEQ':
          return Jed.PF.interpreter( ast.left )( n ) != Jed.PF.interpreter( ast.right )( n );
        case 'MOD':
          return Jed.PF.interpreter( ast.left )( n ) % Jed.PF.interpreter( ast.right )( n );
        case 'VAR':
          return n;
        case 'NUM':
          return ast.val;
        default:
          throw new Error("Invalid Token found.");
      }
    };
  };

  Jed.PF.extractPluralExpr = function ( p ) {
    // trim first
    p = p.replace(/^\s\s*/, '').replace(/\s\s*$/, '');

    if (! /;\s*$/.test(p)) {
      p = p.concat(';');
    }

    var nplurals_re = /nplurals\=(\d+);/,
        plural_re = /plural\=(.*);/,
        nplurals_matches = p.match( nplurals_re ),
        res = {},
        plural_matches;

    // Find the nplurals number
    if ( nplurals_matches.length > 1 ) {
      res.nplurals = nplurals_matches[1];
    }
    else {
      throw new Error('nplurals not found in plural_forms string: ' + p );
    }

    // remove that data to get to the formula
    p = p.replace( nplurals_re, "" );
    plural_matches = p.match( plural_re );

    if (!( plural_matches && plural_matches.length > 1 ) ) {
      throw new Error('`plural` expression not found: ' + p);
    }
    return plural_matches[ 1 ];
  };

  /* Jison generated parser */
  Jed.PF.parser = (function(){

var parser = {trace: function trace() { },
yy: {},
symbols_: {"error":2,"expressions":3,"e":4,"EOF":5,"?":6,":":7,"||":8,"&&":9,"<":10,"<=":11,">":12,">=":13,"!=":14,"==":15,"%":16,"(":17,")":18,"n":19,"NUMBER":20,"$accept":0,"$end":1},
terminals_: {2:"error",5:"EOF",6:"?",7:":",8:"||",9:"&&",10:"<",11:"<=",12:">",13:">=",14:"!=",15:"==",16:"%",17:"(",18:")",19:"n",20:"NUMBER"},
productions_: [0,[3,2],[4,5],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,1],[4,1]],
performAction: function anonymous(yytext,yyleng,yylineno,yy,yystate,$$,_$) {

var $0 = $$.length - 1;
switch (yystate) {
case 1: return { type : 'GROUP', expr: $$[$0-1] };
break;
case 2:this.$ = { type: 'TERNARY', expr: $$[$0-4], truthy : $$[$0-2], falsey: $$[$0] };
break;
case 3:this.$ = { type: "OR", left: $$[$0-2], right: $$[$0] };
break;
case 4:this.$ = { type: "AND", left: $$[$0-2], right: $$[$0] };
break;
case 5:this.$ = { type: 'LT', left: $$[$0-2], right: $$[$0] };
break;
case 6:this.$ = { type: 'LTE', left: $$[$0-2], right: $$[$0] };
break;
case 7:this.$ = { type: 'GT', left: $$[$0-2], right: $$[$0] };
break;
case 8:this.$ = { type: 'GTE', left: $$[$0-2], right: $$[$0] };
break;
case 9:this.$ = { type: 'NEQ', left: $$[$0-2], right: $$[$0] };
break;
case 10:this.$ = { type: 'EQ', left: $$[$0-2], right: $$[$0] };
break;
case 11:this.$ = { type: 'MOD', left: $$[$0-2], right: $$[$0] };
break;
case 12:this.$ = { type: 'GROUP', expr: $$[$0-1] };
break;
case 13:this.$ = { type: 'VAR' };
break;
case 14:this.$ = { type: 'NUM', val: Number(yytext) };
break;
}
},
table: [{3:1,4:2,17:[1,3],19:[1,4],20:[1,5]},{1:[3]},{5:[1,6],6:[1,7],8:[1,8],9:[1,9],10:[1,10],11:[1,11],12:[1,12],13:[1,13],14:[1,14],15:[1,15],16:[1,16]},{4:17,17:[1,3],19:[1,4],20:[1,5]},{5:[2,13],6:[2,13],7:[2,13],8:[2,13],9:[2,13],10:[2,13],11:[2,13],12:[2,13],13:[2,13],14:[2,13],15:[2,13],16:[2,13],18:[2,13]},{5:[2,14],6:[2,14],7:[2,14],8:[2,14],9:[2,14],10:[2,14],11:[2,14],12:[2,14],13:[2,14],14:[2,14],15:[2,14],16:[2,14],18:[2,14]},{1:[2,1]},{4:18,17:[1,3],19:[1,4],20:[1,5]},{4:19,17:[1,3],19:[1,4],20:[1,5]},{4:20,17:[1,3],19:[1,4],20:[1,5]},{4:21,17:[1,3],19:[1,4],20:[1,5]},{4:22,17:[1,3],19:[1,4],20:[1,5]},{4:23,17:[1,3],19:[1,4],20:[1,5]},{4:24,17:[1,3],19:[1,4],20:[1,5]},{4:25,17:[1,3],19:[1,4],20:[1,5]},{4:26,17:[1,3],19:[1,4],20:[1,5]},{4:27,17:[1,3],19:[1,4],20:[1,5]},{6:[1,7],8:[1,8],9:[1,9],10:[1,10],11:[1,11],12:[1,12],13:[1,13],14:[1,14],15:[1,15],16:[1,16],18:[1,28]},{6:[1,7],7:[1,29],8:[1,8],9:[1,9],10:[1,10],11:[1,11],12:[1,12],13:[1,13],14:[1,14],15:[1,15],16:[1,16]},{5:[2,3],6:[2,3],7:[2,3],8:[2,3],9:[1,9],10:[1,10],11:[1,11],12:[1,12],13:[1,13],14:[1,14],15:[1,15],16:[1,16],18:[2,3]},{5:[2,4],6:[2,4],7:[2,4],8:[2,4],9:[2,4],10:[1,10],11:[1,11],12:[1,12],13:[1,13],14:[1,14],15:[1,15],16:[1,16],18:[2,4]},{5:[2,5],6:[2,5],7:[2,5],8:[2,5],9:[2,5],10:[2,5],11:[2,5],12:[2,5],13:[2,5],14:[2,5],15:[2,5],16:[1,16],18:[2,5]},{5:[2,6],6:[2,6],7:[2,6],8:[2,6],9:[2,6],10:[2,6],11:[2,6],12:[2,6],13:[2,6],14:[2,6],15:[2,6],16:[1,16],18:[2,6]},{5:[2,7],6:[2,7],7:[2,7],8:[2,7],9:[2,7],10:[2,7],11:[2,7],12:[2,7],13:[2,7],14:[2,7],15:[2,7],16:[1,16],18:[2,7]},{5:[2,8],6:[2,8],7:[2,8],8:[2,8],9:[2,8],10:[2,8],11:[2,8],12:[2,8],13:[2,8],14:[2,8],15:[2,8],16:[1,16],18:[2,8]},{5:[2,9],6:[2,9],7:[2,9],8:[2,9],9:[2,9],10:[2,9],11:[2,9],12:[2,9],13:[2,9],14:[2,9],15:[2,9],16:[1,16],18:[2,9]},{5:[2,10],6:[2,10],7:[2,10],8:[2,10],9:[2,10],10:[2,10],11:[2,10],12:[2,10],13:[2,10],14:[2,10],15:[2,10],16:[1,16],18:[2,10]},{5:[2,11],6:[2,11],7:[2,11],8:[2,11],9:[2,11],10:[2,11],11:[2,11],12:[2,11],13:[2,11],14:[2,11],15:[2,11],16:[2,11],18:[2,11]},{5:[2,12],6:[2,12],7:[2,12],8:[2,12],9:[2,12],10:[2,12],11:[2,12],12:[2,12],13:[2,12],14:[2,12],15:[2,12],16:[2,12],18:[2,12]},{4:30,17:[1,3],19:[1,4],20:[1,5]},{5:[2,2],6:[1,7],7:[2,2],8:[1,8],9:[1,9],10:[1,10],11:[1,11],12:[1,12],13:[1,13],14:[1,14],15:[1,15],16:[1,16],18:[2,2]}],
defaultActions: {6:[2,1]},
parseError: function parseError(str, hash) {
    throw new Error(str);
},
parse: function parse(input) {
    var self = this,
        stack = [0],
        vstack = [null], // semantic value stack
        lstack = [], // location stack
        table = this.table,
        yytext = '',
        yylineno = 0,
        yyleng = 0,
        recovering = 0,
        TERROR = 2,
        EOF = 1;

    //this.reductionCount = this.shiftCount = 0;

    this.lexer.setInput(input);
    this.lexer.yy = this.yy;
    this.yy.lexer = this.lexer;
    if (typeof this.lexer.yylloc == 'undefined')
        this.lexer.yylloc = {};
    var yyloc = this.lexer.yylloc;
    lstack.push(yyloc);

    if (typeof this.yy.parseError === 'function')
        this.parseError = this.yy.parseError;

    function popStack (n) {
        stack.length = stack.length - 2*n;
        vstack.length = vstack.length - n;
        lstack.length = lstack.length - n;
    }

    function lex() {
        var token;
        token = self.lexer.lex() || 1; // $end = 1
        // if token isn't its numeric value, convert
        if (typeof token !== 'number') {
            token = self.symbols_[token] || token;
        }
        return token;
    }

    var symbol, preErrorSymbol, state, action, a, r, yyval={},p,len,newState, expected;
    while (true) {
        // retreive state number from top of stack
        state = stack[stack.length-1];

        // use default actions if available
        if (this.defaultActions[state]) {
            action = this.defaultActions[state];
        } else {
            if (symbol == null)
                symbol = lex();
            // read action for current state and first input
            action = table[state] && table[state][symbol];
        }

        // handle parse error
        _handle_error:
        if (typeof action === 'undefined' || !action.length || !action[0]) {

            if (!recovering) {
                // Report error
                expected = [];
                for (p in table[state]) if (this.terminals_[p] && p > 2) {
                    expected.push("'"+this.terminals_[p]+"'");
                }
                var errStr = '';
                if (this.lexer.showPosition) {
                    errStr = 'Parse error on line '+(yylineno+1)+":\n"+this.lexer.showPosition()+"\nExpecting "+expected.join(', ') + ", got '" + this.terminals_[symbol]+ "'";
                } else {
                    errStr = 'Parse error on line '+(yylineno+1)+": Unexpected " +
                                  (symbol == 1 /*EOF*/ ? "end of input" :
                                              ("'"+(this.terminals_[symbol] || symbol)+"'"));
                }
                this.parseError(errStr,
                    {text: this.lexer.match, token: this.terminals_[symbol] || symbol, line: this.lexer.yylineno, loc: yyloc, expected: expected});
            }

            // just recovered from another error
            if (recovering == 3) {
                if (symbol == EOF) {
                    throw new Error(errStr || 'Parsing halted.');
                }

                // discard current lookahead and grab another
                yyleng = this.lexer.yyleng;
                yytext = this.lexer.yytext;
                yylineno = this.lexer.yylineno;
                yyloc = this.lexer.yylloc;
                symbol = lex();
            }

            // try to recover from error
            while (1) {
                // check for error recovery rule in this state
                if ((TERROR.toString()) in table[state]) {
                    break;
                }
                if (state == 0) {
                    throw new Error(errStr || 'Parsing halted.');
                }
                popStack(1);
                state = stack[stack.length-1];
            }

            preErrorSymbol = symbol; // save the lookahead token
            symbol = TERROR;         // insert generic error symbol as new lookahead
            state = stack[stack.length-1];
            action = table[state] && table[state][TERROR];
            recovering = 3; // allow 3 real symbols to be shifted before reporting a new error
        }

        // this shouldn't happen, unless resolve defaults are off
        if (action[0] instanceof Array && action.length > 1) {
            throw new Error('Parse Error: multiple actions possible at state: '+state+', token: '+symbol);
        }

        switch (action[0]) {

            case 1: // shift
                //this.shiftCount++;

                stack.push(symbol);
                vstack.push(this.lexer.yytext);
                lstack.push(this.lexer.yylloc);
                stack.push(action[1]); // push state
                symbol = null;
                if (!preErrorSymbol) { // normal execution/no error
                    yyleng = this.lexer.yyleng;
                    yytext = this.lexer.yytext;
                    yylineno = this.lexer.yylineno;
                    yyloc = this.lexer.yylloc;
                    if (recovering > 0)
                        recovering--;
                } else { // error just occurred, resume old lookahead f/ before error
                    symbol = preErrorSymbol;
                    preErrorSymbol = null;
                }
                break;

            case 2: // reduce
                //this.reductionCount++;

                len = this.productions_[action[1]][1];

                // perform semantic action
                yyval.$ = vstack[vstack.length-len]; // default to $$ = $1
                // default location, uses first token for firsts, last for lasts
                yyval._$ = {
                    first_line: lstack[lstack.length-(len||1)].first_line,
                    last_line: lstack[lstack.length-1].last_line,
                    first_column: lstack[lstack.length-(len||1)].first_column,
                    last_column: lstack[lstack.length-1].last_column
                };
                r = this.performAction.call(yyval, yytext, yyleng, yylineno, this.yy, action[1], vstack, lstack);

                if (typeof r !== 'undefined') {
                    return r;
                }

                // pop off stack
                if (len) {
                    stack = stack.slice(0,-1*len*2);
                    vstack = vstack.slice(0, -1*len);
                    lstack = lstack.slice(0, -1*len);
                }

                stack.push(this.productions_[action[1]][0]);    // push nonterminal (reduce)
                vstack.push(yyval.$);
                lstack.push(yyval._$);
                // goto new state = table[STATE][NONTERMINAL]
                newState = table[stack[stack.length-2]][stack[stack.length-1]];
                stack.push(newState);
                break;

            case 3: // accept
                return true;
        }

    }

    return true;
}};/* Jison generated lexer */
var lexer = (function(){

var lexer = ({EOF:1,
parseError:function parseError(str, hash) {
        if (this.yy.parseError) {
            this.yy.parseError(str, hash);
        } else {
            throw new Error(str);
        }
    },
setInput:function (input) {
        this._input = input;
        this._more = this._less = this.done = false;
        this.yylineno = this.yyleng = 0;
        this.yytext = this.matched = this.match = '';
        this.conditionStack = ['INITIAL'];
        this.yylloc = {first_line:1,first_column:0,last_line:1,last_column:0};
        return this;
    },
input:function () {
        var ch = this._input[0];
        this.yytext+=ch;
        this.yyleng++;
        this.match+=ch;
        this.matched+=ch;
        var lines = ch.match(/\n/);
        if (lines) this.yylineno++;
        this._input = this._input.slice(1);
        return ch;
    },
unput:function (ch) {
        this._input = ch + this._input;
        return this;
    },
more:function () {
        this._more = true;
        return this;
    },
pastInput:function () {
        var past = this.matched.substr(0, this.matched.length - this.match.length);
        return (past.length > 20 ? '...':'') + past.substr(-20).replace(/\n/g, "");
    },
upcomingInput:function () {
        var next = this.match;
        if (next.length < 20) {
            next += this._input.substr(0, 20-next.length);
        }
        return (next.substr(0,20)+(next.length > 20 ? '...':'')).replace(/\n/g, "");
    },
showPosition:function () {
        var pre = this.pastInput();
        var c = new Array(pre.length + 1).join("-");
        return pre + this.upcomingInput() + "\n" + c+"^";
    },
next:function () {
        if (this.done) {
            return this.EOF;
        }
        if (!this._input) this.done = true;

        var token,
            match,
            col,
            lines;
        if (!this._more) {
            this.yytext = '';
            this.match = '';
        }
        var rules = this._currentRules();
        for (var i=0;i < rules.length; i++) {
            match = this._input.match(this.rules[rules[i]]);
            if (match) {
                lines = match[0].match(/\n.*/g);
                if (lines) this.yylineno += lines.length;
                this.yylloc = {first_line: this.yylloc.last_line,
                               last_line: this.yylineno+1,
                               first_column: this.yylloc.last_column,
                               last_column: lines ? lines[lines.length-1].length-1 : this.yylloc.last_column + match[0].length}
                this.yytext += match[0];
                this.match += match[0];
                this.matches = match;
                this.yyleng = this.yytext.length;
                this._more = false;
                this._input = this._input.slice(match[0].length);
                this.matched += match[0];
                token = this.performAction.call(this, this.yy, this, rules[i],this.conditionStack[this.conditionStack.length-1]);
                if (token) return token;
                else return;
            }
        }
        if (this._input === "") {
            return this.EOF;
        } else {
            this.parseError('Lexical error on line '+(this.yylineno+1)+'. Unrecognized text.\n'+this.showPosition(),
                    {text: "", token: null, line: this.yylineno});
        }
    },
lex:function lex() {
        var r = this.next();
        if (typeof r !== 'undefined') {
            return r;
        } else {
            return this.lex();
        }
    },
begin:function begin(condition) {
        this.conditionStack.push(condition);
    },
popState:function popState() {
        return this.conditionStack.pop();
    },
_currentRules:function _currentRules() {
        return this.conditions[this.conditionStack[this.conditionStack.length-1]].rules;
    },
topState:function () {
        return this.conditionStack[this.conditionStack.length-2];
    },
pushState:function begin(condition) {
        this.begin(condition);
    }});
lexer.performAction = function anonymous(yy,yy_,$avoiding_name_collisions,YY_START) {

var YYSTATE=YY_START;
switch($avoiding_name_collisions) {
case 0:/* skip whitespace */
break;
case 1:return 20
break;
case 2:return 19
break;
case 3:return 8
break;
case 4:return 9
break;
case 5:return 6
break;
case 6:return 7
break;
case 7:return 11
break;
case 8:return 13
break;
case 9:return 10
break;
case 10:return 12
break;
case 11:return 14
break;
case 12:return 15
break;
case 13:return 16
break;
case 14:return 17
break;
case 15:return 18
break;
case 16:return 5
break;
case 17:return 'INVALID'
break;
}
};
lexer.rules = [/^\s+/,/^[0-9]+(\.[0-9]+)?\b/,/^n\b/,/^\|\|/,/^&&/,/^\?/,/^:/,/^<=/,/^>=/,/^</,/^>/,/^!=/,/^==/,/^%/,/^\(/,/^\)/,/^$/,/^./];
lexer.conditions = {"INITIAL":{"rules":[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17],"inclusive":true}};return lexer;})()
parser.lexer = lexer;
return parser;
})();
// End parser

  // Handle node, amd, and global systems
  if (typeof exports !== 'undefined') {
    if (typeof module !== 'undefined' && module.exports) {
      exports = module.exports = Jed;
    }
    exports.Jed = Jed;
  }
  else {
    if (typeof define === 'function' && define.amd) {
      define('jed',[],function() {
        return Jed;
      });
    }
    // Leak a global regardless of module system
    root['Jed'] = Jed;
  }

})(this);

// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.

// Module to handle i18n ( Internationalization ) and translated UI

define('base/js/i18n',[
    'jed'
	], function(Jed) {
    "use strict";

    var i18n = new Jed(document.nbjs_translations);
    i18n._ = i18n.gettext;
    i18n.msg = i18n; // Just a place holder until the init promise resolves.

    return i18n;
});

/*!
 * Bootstrap v3.4.1 (https://getbootstrap.com/)
 * Copyright 2011-2019 Twitter, Inc.
 * Licensed under the MIT license
 */
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i=t.hasClass("in");t.attr("aria-expanded",i),e.toggleClass("collapsed",!i).attr("aria-expanded",i)};var t=a.fn.collapse;a.fn.collapse=l,a.fn.collapse.Constructor=r,a.fn.collapse.noConflict=function(){return a.fn.collapse=t,this},a(document).on("click.bs.collapse.data-api",'[data-toggle="collapse"]',function(t){var e=a(this);e.attr("data-target")||t.preventDefault();var i=n(e),o=i.data("bs.collapse")?"toggle":e.data();l.call(i,o)})}(jQuery),function(a){"use strict";var r='[data-toggle="dropdown"]',o=function(t){a(t).on("click.bs.dropdown",this.toggle)};function l(t){var e=t.attr("data-target");e||(e=(e=t.attr("href"))&&/#[A-Za-z]/.test(e)&&e.replace(/.*(?=#[^\s]*$)/,""));var i="#"!==e?a(document).find(e):null;return i&&i.length?i:t.parent()}function s(o){o&&3===o.which||(a(".dropdown-backdrop").remove(),a(r).each(function(){var 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o?e[o](n):i.show&&e.show(n)})}s.VERSION="3.4.1",s.TRANSITION_DURATION=300,s.BACKDROP_TRANSITION_DURATION=150,s.DEFAULTS={backdrop:!0,keyboard:!0,show:!0},s.prototype.toggle=function(t){return this.isShown?this.hide():this.show(t)},s.prototype.show=function(i){var o=this,t=a.Event("show.bs.modal",{relatedTarget:i});this.$element.trigger(t),this.isShown||t.isDefaultPrevented()||(this.isShown=!0,this.checkScrollbar(),this.setScrollbar(),this.$body.addClass("modal-open"),this.escape(),this.resize(),this.$element.on("click.dismiss.bs.modal",'[data-dismiss="modal"]',a.proxy(this.hide,this)),this.$dialog.on("mousedown.dismiss.bs.modal",function(){o.$element.one("mouseup.dismiss.bs.modal",function(t){a(t.target).is(o.$element)&&(o.ignoreBackdropClick=!0)})}),this.backdrop(function(){var t=a.support.transition&&o.$element.hasClass("fade");o.$element.parent().length||o.$element.appendTo(o.$body),o.$element.show().scrollTop(0),o.adjustDialog(),t&&o.$element[0].offsetWidth,o.$element.addClass("in"),o.enforceFocus();var e=a.Event("shown.bs.modal",{relatedTarget:i});t?o.$dialog.one("bsTransitionEnd",function(){o.$element.trigger("focus").trigger(e)}).emulateTransitionEnd(s.TRANSITION_DURATION):o.$element.trigger("focus").trigger(e)}))},s.prototype.hide=function(t){t&&t.preventDefault(),t=a.Event("hide.bs.modal"),this.$element.trigger(t),this.isShown&&!t.isDefaultPrevented()&&(this.isShown=!1,this.escape(),this.resize(),a(document).off("focusin.bs.modal"),this.$element.removeClass("in").off("click.dismiss.bs.modal").off("mouseup.dismiss.bs.modal"),this.$dialog.off("mousedown.dismiss.bs.modal"),a.support.transition&&this.$element.hasClass("fade")?this.$element.one("bsTransitionEnd",a.proxy(this.hideModal,this)).emulateTransitionEnd(s.TRANSITION_DURATION):this.hideModal())},s.prototype.enforceFocus=function(){a(document).off("focusin.bs.modal").on("focusin.bs.modal",a.proxy(function(t){document===t.target||this.$element[0]===t.target||this.$element.has(t.target).length||this.$element.trigger("focus")},this))},s.prototype.escape=function(){this.isShown&&this.options.keyboard?this.$element.on("keydown.dismiss.bs.modal",a.proxy(function(t){27==t.which&&this.hide()},this)):this.isShown||this.$element.off("keydown.dismiss.bs.modal")},s.prototype.resize=function(){this.isShown?a(window).on("resize.bs.modal",a.proxy(this.handleUpdate,this)):a(window).off("resize.bs.modal")},s.prototype.hideModal=function(){var 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null!=i&&n<=i?"top":null!=o&&t-o<=l+(r?a:e)&&"bottom"},h.prototype.getPinnedOffset=function(){if(this.pinnedOffset)return this.pinnedOffset;this.$element.removeClass(h.RESET).addClass("affix");var t=this.$target.scrollTop(),e=this.$element.offset();return this.pinnedOffset=e.top-t},h.prototype.checkPositionWithEventLoop=function(){setTimeout(l.proxy(this.checkPosition,this),1)},h.prototype.checkPosition=function(){if(this.$element.is(":visible")){var t=this.$element.height(),e=this.options.offset,i=e.top,o=e.bottom,n=Math.max(l(document).height(),l(document.body).height());"object"!=typeof e&&(o=i=e),"function"==typeof i&&(i=e.top(this.$element)),"function"==typeof o&&(o=e.bottom(this.$element));var s=this.getState(n,t,i,o);if(this.affixed!=s){null!=this.unpin&&this.$element.css("top","");var a="affix"+(s?"-"+s:""),r=l.Event(a+".bs.affix");if(this.$element.trigger(r),r.isDefaultPrevented())return;this.affixed=s,this.unpin="bottom"==s?this.getPinnedOffset():null,this.$element.removeClass(h.RESET).addClass(a).trigger(a.replace("affix","affixed")+".bs.affix")}"bottom"==s&&this.$element.offset({top:n-t-o})}};var t=l.fn.affix;l.fn.affix=i,l.fn.affix.Constructor=h,l.fn.affix.noConflict=function(){return l.fn.affix=t,this},l(window).on("load",function(){l('[data-spy="affix"]').each(function(){var t=l(this),e=t.data();e.offset=e.offset||{},null!=e.offsetBottom&&(e.offset.bottom=e.offsetBottom),null!=e.offsetTop&&(e.offset.top=e.offsetTop),i.call(t,e)})})}(jQuery);
define("bootstrap", ["jquery"], (function (global) {
    return function () {
        var ret, fn;
        return ret || global.bootstrap;
    };
}(this)));

// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.

define('base/js/dialog',['jquery',
    'codemirror/lib/codemirror',
    'bootstrap',
	'base/js/i18n'],
	function($, CodeMirror, bs, i18n) {
    "use strict";

    /**
     * A wrapper around bootstrap modal for easier use
     * Pass it an option dictionary with the following properties:
     *
     *    - body : <string> or <DOM node>, main content of the dialog
     *            if pass a <string> it will be wrapped in a p tag and
     *            html element escaped, unless you specify sanitize=false
     *            option.
     *    - title : Dialog title, default to empty string.
     *    - buttons : dict of btn_options who keys are button label.
     *            see btn_options below for description
     *    - open : callback to trigger on dialog open.
     *    - destroy:
     *    - notebook : notebook instance
     *    - keyboard_manager: keyboard manager instance.
     *
     *  Unlike bootstrap modals, the backdrop options is set by default 
     *  to 'static'.
     *
     *  The rest of the options are passed as is to bootstrap modals. 
     *
     *  btn_options: dict with the following property:
     *  
     *    - click : callback to trigger on click
     *    - class : css classes to add to button.
     *
     *
     *
     **/
    var modal = function (options) {

        var modal = $("<div/>")
            .addClass("modal")
            .addClass("fade")
            .attr("role", "dialog");
        var dialog = $("<div/>")
            .addClass("modal-dialog")
            .appendTo(modal);
        var dialog_content = $("<div/>")
            .addClass("modal-content")
            .appendTo(dialog);
        if(typeof(options.body) === 'string' && options.sanitize !== false){
            options.body = $("<p/>").text(options.body);
        }
        dialog_content.append(
            $("<div/>")
                .addClass("modal-header")
                .mousedown(function() {
                  $(".modal").draggable({handle: '.modal-header'});
                })
                .append($("<button>")
                    .attr("type", "button")
                    .attr("aria-label", i18n.msg._("close"))
                    .addClass("close")
                    .attr("data-dismiss", "modal")
                    .attr("aria-hidden", "true")
                    .html("&times;")
                ).append(
                    $("<h4/>")
                        .addClass('modal-title')
                        .text(options.title || "")
                )
        ).append(
            $("<div/>")
                .addClass("modal-body")
                .append(
                    options.body || $("<p/>")
                )
        );
        
        var footer = $("<div/>").addClass("modal-footer");
        
        var default_button;
        
        for (var label in options.buttons) {
            var btn_opts = options.buttons[label];
            var button = $("<button/>")
                .addClass("btn btn-default btn-sm")
                .attr("data-dismiss", "modal")
                .text(i18n.msg.translate(label).fetch());
            if (btn_opts.id) {
                button.attr('id', btn_opts.id);
            }
            if (btn_opts.click) {
                button.click($.proxy(btn_opts.click, dialog_content));
            }
            if (btn_opts.class) {
                button.addClass(btn_opts.class);
            }
            footer.append(button);
            if (options.default_button && label === options.default_button) {
                default_button = button;
            }
        }
        if (!options.default_button) {
            default_button = footer.find("button").last();
        }
        dialog_content.append(footer);
        // hook up on-open event
        modal.on("shown.bs.modal", function () {
            setTimeout(function () {
                default_button.focus();
                if (options.open) {
                    $.proxy(options.open, modal)();
                }
            }, 0);
        });
        
        // destroy modal on hide, unless explicitly asked not to
        if (options.destroy === undefined || options.destroy) {
            modal.on("hidden.bs.modal", function () {
                modal.remove();
            });
        }
        modal.on("hidden.bs.modal", function () {
            if (options.notebook) {
                var cell = options.notebook.get_selected_cell();
                if (cell) cell.select();
            }
            if (options.keyboard_manager) {
                options.keyboard_manager.enable();
                options.keyboard_manager.command_mode();
            }
	    if (options.focus_button) {
            	$(options.focus_button).focus();
	    }
        });
        
        if (options.keyboard_manager) {
            options.keyboard_manager.disable();
        }
        
        if(options.backdrop === undefined){
          options.backdrop = 'static';
        }
        
        return modal.modal(options);
    };

    var kernel_modal = function (options) {
        /**
         * only one kernel dialog should be open at a time -- but
         * other modal dialogs can still be open
         */
        $('.kernel-modal').modal('hide');
        var dialog = modal(options);
        dialog.addClass('kernel-modal');
        return dialog;
    };

    var edit_metadata = function (options) {
        options.name = options.name || "Cell";
        var error_div = $('<div/>').css('color', 'red');
        var message_cell = 
            i18n.msg._("Manually edit the JSON below to manipulate the metadata for this cell.");
        var message_notebook = 
            i18n.msg._("Manually edit the JSON below to manipulate the metadata for this notebook.");
        var message_end = 
            i18n.msg._(" We recommend putting custom metadata attributes in an appropriately named substructure," +
            " so they don't conflict with those of others.");

        var message;
        if (options.name === 'Notebook') {
        	message = message_notebook + message_end;
        } else {
        	message = message_cell + message_end;
        }
        var textarea = $('<textarea/>')
            .attr('rows', '13')
            .attr('cols', '80')
            .attr('name', 'metadata')
            .text(JSON.stringify(options.md || {}, null, 2));
        
        var dialogform = $('<div/>').attr('title', i18n.msg._('Edit the metadata'))
            .append(
                $('<form/>').append(
                    $('<fieldset/>').append(
                        $('<label/>')
                        .attr('for','metadata')
                        .text(message)
                        )
                        .append(error_div)
                        .append($('<br/>'))
                        .append(textarea)
                    )
            );
        var editor = CodeMirror.fromTextArea(textarea[0], {
            lineNumbers: true,
            matchBrackets: true,
            indentUnit: 2,
            autoIndent: true,
            mode: 'application/json',
        });
        var title_msg;
        if (options.name === "Notebook") {
        	title_msg = i18n.msg._("Edit Notebook Metadata");
        } else {
        	title_msg = i18n.msg._("Edit Cell Metadata");
        }
        // This statement is used simply so that message extraction
        // will pick up the strings.
        var button_labels = [ i18n.msg._("Cancel"), i18n.msg._("Edit"), i18n.msg._("OK"), i18n.msg._("Apply")];
        var modal_obj = modal({
            title: title_msg,
            body: dialogform,
            default_button: "Cancel",
            buttons: {
                Cancel: {},
                Edit: { class : "btn-primary",
                    click: function() {
                        /**
                         * validate json and set it
                         */
                        var new_md;
                        try {
                            new_md = JSON.parse(editor.getValue());
                        } catch(e) {
                            console.log(e);
                            error_div.text(i18n.msg._('WARNING: Could not save invalid JSON.'));
                            return false;
                        }
                        options.callback(new_md);
                        options.notebook.apply_directionality();
                    }
                }
            },
            notebook: options.notebook,
            keyboard_manager: options.keyboard_manager,
        });

        modal_obj.on('shown.bs.modal', function(){ editor.refresh(); });
        modal_obj.on('hide.bs.modal', function(){
            options.edit_metadata_button ? options.edit_metadata_button.focus() : "";});
    };

    var edit_attachments = function (options) {
        // This shows the Edit Attachments dialog. This dialog allows the
        // user to delete attachments. We show a list of attachments to
        // the user and he can mark some of them for deletion. The deletion
        // is applied when the 'Apply' button of this dialog is pressed.
        var message;
        var attachments_list;
        if (Object.keys(options.attachments).length == 0) {
            message = i18n.msg._("There are no attachments for this cell.");
            attachments_list = $('<div>');
        } else {
            message = i18n.msg._("Current cell attachments");

            attachments_list = $('<div>')
                .addClass('list_container')
                .append(
                    $('<div>')
                    .addClass('row list_header')
                    .append(
                        $('<div>')
                        .text(i18n.msg._('Attachments'))
                    )
                );

            // This is a set containing keys of attachments to be deleted when
            // the Apply button is clicked
            var to_delete = {};

            var refresh_attachments_list = function() {
                $(attachments_list).find('.row').remove();
                for (var key in options.attachments) {
                    var mime = Object.keys(options.attachments[key])[0];
                    var deleted = key in to_delete;

                    // This ensures the current value of key is captured since
                    // javascript only has function scope
                    var btn;
                    // Trash/restore button
                    (function(){
                        var _key = key;
                        btn = $('<button>')
                            .addClass('btn btn-default btn-xs')
                            .css('display', 'inline-block');
                        if (deleted) {
                            btn.attr('title', i18n.msg._('Restore'))
                               .append(
                                   $('<i>')
                                   .addClass('fa fa-plus')
                               );
                            btn.click(function() {
                                delete to_delete[_key];
                                refresh_attachments_list();
                            });
                        } else {
                            btn.attr('title', i18n.msg._('Delete'))
                               .addClass('btn-danger')
                               .append(
                                   $('<i>')
                                   .addClass('fa fa-trash')
                               );
                            btn.click(function() {
                                to_delete[_key] = true;
                                refresh_attachments_list();
                            });
                        }
                        return btn;
                    })();
                    var row = $('<div>')
                        .addClass('col-md-12 att_row')
                        .append(
                            $('<div>')
                            .addClass('row')
                            .append(
                                $('<div>')
                                .addClass('att-name col-xs-4')
                                .text(key)
                            )
                            .append(
                                $('<div>')
                                .addClass('col-xs-4 text-muted')
                                .text(mime)
                            )
                            .append(
                                $('<div>')
                                .addClass('item-buttons pull-right')
                                .append(btn)
                            )
                        );
                    if (deleted) {
                        row.find('.att-name')
                           .css('text-decoration', 'line-through');
                    }

                    attachments_list.append($('<div>')
                        .addClass('list_item row')
                        .append(row)
                    );
                }
            };
            refresh_attachments_list();
        }

        var dialogform = $('<div/>')
            .attr('title', i18n.msg._('Edit attachments'))
            .append(message)
            .append('<br />')
            .append(attachments_list);
        var title_msg;
        if ( options.name === "Notebook" ) {
        	title_msg = i18n.msg._("Edit Notebook Attachments");
        } else {
        	title_msg = i18n.msg._("Edit Cell Attachments");
        }
        var modal_obj = modal({
            title: title_msg,
            body: dialogform,
            buttons: {
                Apply: { class : "btn-primary",
                    click: function() {
                        for (var key in to_delete) {
                            delete options.attachments[key];
                        }
                        options.callback(options.attachments);
                    }
                },
                Cancel: {}
            },
            notebook: options.notebook,
            keyboard_manager: options.keyboard_manager,
        });
    };

    var insert_image = function (options) {
        var message =
            i18n.msg._("Select a file to insert.");
        var file_input = $('<input/>')
            .attr('type', 'file')
            .attr('accept', 'image/*')
            .attr('name', 'file')
            .on('change', function(file) {
                var $btn = $(modal_obj).find('#btn_ok');
                if (this.files.length > 0) {
                    $btn.removeClass('disabled');
                } else {
                    $btn.addClass('disabled');
                }
            });
        var dialogform = $('<div/>').attr('title', i18n.msg._('Edit attachments'))
            .append(
                $('<form id="insert-image-form" />').append(
                    $('<fieldset/>').append(
                        $('<label/>')
                        .attr('for','file')
                        .text(message)
                        )
                        .append($('<br/>'))
                        .append(file_input)
                    )
            );
        var modal_obj = modal({
            title: i18n.msg._("Select a file"),
            body: dialogform,
            buttons: {
                OK: {
                    id : 'btn_ok',
                    class : "btn-primary disabled",
                    click: function() {
                        options.callback(file_input[0].files[0]);
                    }
                },
                Cancel: {}
            },
            notebook: options.notebook,
            keyboard_manager: options.keyboard_manager,
        });
    };

    
    var dialog = {
        modal : modal,
        kernel_modal : kernel_modal,
        edit_metadata : edit_metadata,
        edit_attachments : edit_attachments,
        insert_image : insert_image
    };

    return dialog;
});

// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.

define('base/js/mathjaxutils',[
    'jquery',
    'base/js/utils',
    'base/js/i18n',
    'base/js/dialog',
], function($, utils, i18n, dialog) {
    "use strict";

    var init = function () {
        if (window.MathJax) {
            // MathJax loaded
            MathJax.Hub.Config({
                tex2jax: {
                    inlineMath: [ ['$','$'], ["\\(","\\)"] ],
                    displayMath: [ ['$$','$$'], ["\\[","\\]"] ],
                    processEscapes: true,
                    processEnvironments: true
                },
                TeX: {
                    extensions: ['newcommand.js', 'begingroup.js']  // For \gdef
                },
                MathML: {
                    extensions: ['content-mathml.js']
                },
                // Center justify equations in code and markdown cells. Elsewhere
                // we use CSS to left justify single line equations in code cells.
                displayAlign: 'center',
                "HTML-CSS": {
                    availableFonts: [],
                    imageFont: null,
                    preferredFont: null,
                    webFont: "STIX-Web",
                    styles: {'.MathJax_Display': {"margin": 0}},
                    linebreaks: { automatic: true }
                },
            });
            MathJax.Hub.Configured();
        } else if (window.mathjax_url !== "") {
            // This statement is used simply so that message extraction
            // will pick up the strings.  The actual setting of the text
            // for the button is in dialog.js.
            var button_labels = [ i18n.msg._("OK") ];
            // Don't have MathJax, but should. Show dialog.
            dialog.modal({
                title : i18n.msg.sprintf(i18n.msg._("Failed to retrieve MathJax from '%s'",window.mathjax_url)),
                body : $("<p/>").addClass('dialog').text(
                        i18n.msg._("Math/LaTeX rendering will be disabled.")
                    ),
                buttons : {
                    OK : {class: "btn-danger"}
                }
            });
        }
    };

    // Some magic for deferring mathematical expressions to MathJax
    // by hiding them from the Markdown parser.
    // Some of the code here is adapted with permission from Davide Cervone
    // under the terms of the Apache2 license governing the MathJax project.
    // Other minor modifications are also due to StackExchange and are used with
    // permission.

    // MATHSPLIT contains the pattern for math delimiters and special symbols
    // needed for searching for math in the text input.
    var MATHSPLIT = /(\$\$?|\\(?:begin|end)\{[a-z]*\*?\}|\\[{}$]|[{}]|(?:\n\s*)+|@@\d+@@|\\\\(?:\(|\)|\[|\]))/i;

    //  The math is in blocks i through j, so
    //    collect it into one block and clear the others.
    //  Replace &, <, and > by named entities.
    //  For IE, put <br> at the ends of comments since IE removes \n.
    //  Clear the current math positions and store the index of the
    //    math, then push the math string onto the storage array.
    //  The preProcess function is called on all blocks if it has been passed in
    var process_math = function (i, j, pre_process, math, blocks) {
        var block = blocks.slice(i, j + 1).join("").replace(/&/g, "&amp;") // use HTML entity for &
        .replace(/</g, "&lt;") // use HTML entity for <
        .replace(/>/g, "&gt;") // use HTML entity for >
        ;
        if (utils.browser === 'msie') {
            block = block.replace(/(%[^\n]*)\n/g, "$1<br/>\n");
        }
        while (j > i) {
            blocks[j] = "";
            j--;
        }
        blocks[i] = "@@" + math.length + "@@"; // replace the current block text with a unique tag to find later
        if (pre_process){
            block = pre_process(block);
        }
        math.push(block);
        return blocks;
    };

    //  Break up the text into its component parts and search
    //    through them for math delimiters, braces, linebreaks, etc.
    //  Math delimiters must match and braces must balance.
    //  Don't allow math to pass through a double linebreak
    //    (which will be a paragraph).
    //
    var remove_math = function (text) {
        var math = []; // stores math strings for later
        var start;
        var end;
        var last;
        var braces;

        // Except for extreme edge cases, this should catch precisely those pieces of the markdown
        // source that will later be turned into code spans. While MathJax will not TeXify code spans,
        // we still have to consider them at this point; the following issue has happened several times:
        //
        //     `$foo` and `$bar` are varibales.  -->  <code>$foo ` and `$bar</code> are variables.

        var hasCodeSpans = /`/.test(text),
            de_tilde;
        if (hasCodeSpans) {
            var tilde = function (wholematch) {
                return wholematch.replace(/\$/g, "~D");
            }
            text = text.replace(/~/g, "~T")
                       .replace(/(^|[^\\])(`+)([^\n]*?[^`\n])\2(?!`)/gm, tilde)
                       .replace(/^\s{0,3}(`{3,})(.|\n)*?\1/gm, tilde);
            de_tilde = function (text) {
                return text.replace(/~([TD])/g, function (wholematch, character) {
                                                    return { T: "~", D: "$" }[character];
                                                });
            };
        } else {
            de_tilde = function (text) { return text; };
        }

        var blocks = utils.regex_split(text.replace(/\r\n?/g, "\n"),MATHSPLIT);

        for (var i = 1, m = blocks.length; i < m; i += 2) {
            var block = blocks[i];
            if (block.charAt(0) === "@") {
                //
                //  Things that look like our math markers will get
                //  stored and then retrieved along with the math.
                //
                blocks[i] = "@@" + math.length + "@@";
                math.push(block);
            }
            else if (start) {
                //
                //  If we are in math, look for the end delimiter,
                //    but don't go past double line breaks, and
                //    and balance braces within the math.
                //
                if (block === end) {
                    if (braces) {
                        last = i;
                    }
                    else {
                        blocks = process_math(start, i, de_tilde, math, blocks);
                        start  = null;
                        end    = null;
                        last   = null;
                    }
                }
                else if (block.match(/\n.*\n/)) {
                    if (last) {
                        i = last;
                        blocks = process_math(start, i, de_tilde, math, blocks);
                    }
                    start = null;
                    end = null;
                    last = null;
                    braces = 0;
                }
                else if (block === "{") {
                    braces++;
                }
                else if (block === "}" && braces) {
                    braces--;
                }
            }
            else {
                //
                //  Look for math start delimiters and when
                //    found, set up the end delimiter.
                //
                if (block === "$" || block === "$$") {
                    start = i;
                    end = block;
                    braces = 0;
                }
                else if (block === "\\\\\(" || block === "\\\\\[") {
                    start = i;
                    end = block.slice(-1) === "(" ? "\\\\\)" : "\\\\\]";
                    braces = 0;
                }
                else if (block.substr(1, 5) === "begin") {
                    start = i;
                    end = "\\end" + block.substr(6);
                    braces = 0;
                }
            }
        }
        if (last) {
            blocks = process_math(start, last, de_tilde, math, blocks);
            start  = null;
            end    = null;
            last   = null;
        }
        return [de_tilde(blocks.join("")), math];
    };

    //
    //  Put back the math strings that were saved,
    //    and clear the math array (no need to keep it around).
    //
    var replace_math = function (text, math) {
        //
        //  Replaces a math placeholder with its corresponding group.
        //  The math delimiters "\\(", "\\[", "\\)" and "\\]" are replaced
        //  removing one backslash in order to be interpreted correctly by MathJax.
        //
        var math_group_process = function (match, n) {
            var math_group = math[n];

            if (math_group.substr(0, 3) === "\\\\\("  && math_group.substr(math_group.length - 3) === "\\\\\)") {
                math_group = "\\\(" + math_group.substring(3, math_group.length - 3) + "\\\)";
            } else if (math_group.substr(0, 3) === "\\\\\[" && math_group.substr(math_group.length - 3) === "\\\\\]") {
                math_group = "\\\[" + math_group.substring(3, math_group.length - 3) + "\\\]";
            }
            
            return math_group;
        };

        // Replace all the math group placeholders in the text
        // with the saved strings.
        text = text.replace(/@@(\d+)@@/g, math_group_process);
        
        return text;
    };

    var mathjaxutils = {
        init : init,
        remove_math : remove_math,
        replace_math : replace_math
    };

    return mathjaxutils;
});

define('components/sanitizer/index',[],() => { return /******/ (() => { // webpackBootstrap
/******/ 	var __webpack_modules__ = ({

/***/ 8299:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

__webpack_require__(9122);
module.exports = __webpack_require__(8544).RegExp.escape;

/***/ }),

/***/ 6819:
/***/ ((module) => {

module.exports = function (it) {
  if (typeof it != 'function') throw TypeError(it + ' is not a function!');
  return it;
};

/***/ }),

/***/ 9855:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var cof = __webpack_require__(3679);
module.exports = function (it, msg) {
  if (typeof it != 'number' && cof(it) != 'Number') throw TypeError(msg);
  return +it;
};

/***/ }),

/***/ 4339:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

// 22.1.3.31 Array.prototype[@@unscopables]
var UNSCOPABLES = __webpack_require__(3336)('unscopables');
var ArrayProto = Array.prototype;
if (ArrayProto[UNSCOPABLES] == undefined) __webpack_require__(8012)(ArrayProto, UNSCOPABLES, {});
module.exports = function (key) {
  ArrayProto[UNSCOPABLES][key] = true;
};

/***/ }),

/***/ 1330:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {




var at = __webpack_require__(3593)(true);

// `AdvanceStringIndex` abstract operation
// https://tc39.github.io/ecma262/#sec-advancestringindex
module.exports = function (S, index, unicode) {
  return index + (unicode ? at(S, index).length : 1);
};

/***/ }),

/***/ 2702:
/***/ ((module) => {

module.exports = function (it, Constructor, name, forbiddenField) {
  if (!(it instanceof Constructor) || forbiddenField !== undefined && forbiddenField in it) {
    throw TypeError(name + ': incorrect invocation!');
  }
  return it;
};

/***/ }),

/***/ 6154:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var isObject = __webpack_require__(7156);
module.exports = function (it) {
  if (!isObject(it)) throw TypeError(it + ' is not an object!');
  return it;
};

/***/ }),

/***/ 2147:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {


// 22.1.3.3 Array.prototype.copyWithin(target, start, end = this.length)


var toObject = __webpack_require__(2515);
var toAbsoluteIndex = __webpack_require__(6241);
var toLength = __webpack_require__(8315);
module.exports = [].copyWithin || function copyWithin(target /* = 0 */, start /* = 0, end = @length */) {
  var O = toObject(this);
  var len = toLength(O.length);
  var to = toAbsoluteIndex(target, len);
  var from = toAbsoluteIndex(start, len);
  var end = arguments.length > 2 ? arguments[2] : undefined;
  var count = Math.min((end === undefined ? len : toAbsoluteIndex(end, len)) - from, len - to);
  var inc = 1;
  if (from < to && to < from + count) {
    inc = -1;
    from += count - 1;
    to += count - 1;
  }
  while (count-- > 0) {
    if (from in O) O[to] = O[from];else delete O[to];
    to += inc;
    from += inc;
  }
  return O;
};

/***/ }),

/***/ 1132:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {


// 22.1.3.6 Array.prototype.fill(value, start = 0, end = this.length)


var toObject = __webpack_require__(2515);
var toAbsoluteIndex = __webpack_require__(6241);
var toLength = __webpack_require__(8315);
module.exports = function fill(value /* , start = 0, end = @length */) {
  var O = toObject(this);
  var length = toLength(O.length);
  var aLen = arguments.length;
  var index = toAbsoluteIndex(aLen > 1 ? arguments[1] : undefined, length);
  var end = aLen > 2 ? arguments[2] : undefined;
  var endPos = end === undefined ? length : toAbsoluteIndex(end, length);
  while (endPos > index) O[index++] = value;
  return O;
};

/***/ }),

/***/ 5273:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var forOf = __webpack_require__(2734);
module.exports = function (iter, ITERATOR) {
  var result = [];
  forOf(iter, false, result.push, result, ITERATOR);
  return result;
};

/***/ }),

/***/ 4687:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

// false -> Array#indexOf
// true  -> Array#includes
var toIObject = __webpack_require__(8499);
var toLength = __webpack_require__(8315);
var toAbsoluteIndex = __webpack_require__(6241);
module.exports = function (IS_INCLUDES) {
  return function ($this, el, fromIndex) {
    var O = toIObject($this);
    var length = toLength(O.length);
    var index = toAbsoluteIndex(fromIndex, length);
    var value;
    // Array#includes uses SameValueZero equality algorithm
    // eslint-disable-next-line no-self-compare
    if (IS_INCLUDES && el != el) while (length > index) {
      value = O[index++];
      // eslint-disable-next-line no-self-compare
      if (value != value) return true;
      // Array#indexOf ignores holes, Array#includes - not
    } else for (; length > index; index++) if (IS_INCLUDES || index in O) {
      if (O[index] === el) return IS_INCLUDES || index || 0;
    }
    return !IS_INCLUDES && -1;
  };
};

/***/ }),

/***/ 3970:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

// 0 -> Array#forEach
// 1 -> Array#map
// 2 -> Array#filter
// 3 -> Array#some
// 4 -> Array#every
// 5 -> Array#find
// 6 -> Array#findIndex
var ctx = __webpack_require__(566);
var IObject = __webpack_require__(331);
var toObject = __webpack_require__(2515);
var toLength = __webpack_require__(8315);
var asc = __webpack_require__(5486);
module.exports = function (TYPE, $create) {
  var IS_MAP = TYPE == 1;
  var IS_FILTER = TYPE == 2;
  var IS_SOME = TYPE == 3;
  var IS_EVERY = TYPE == 4;
  var IS_FIND_INDEX = TYPE == 6;
  var NO_HOLES = TYPE == 5 || IS_FIND_INDEX;
  var create = $create || asc;
  return function ($this, callbackfn, that) {
    var O = toObject($this);
    var self = IObject(O);
    var f = ctx(callbackfn, that, 3);
    var length = toLength(self.length);
    var index = 0;
    var result = IS_MAP ? create($this, length) : IS_FILTER ? create($this, 0) : undefined;
    var val, res;
    for (; length > index; index++) if (NO_HOLES || index in self) {
      val = self[index];
      res = f(val, index, O);
      if (TYPE) {
        if (IS_MAP) result[index] = res; // map
        else if (res) switch (TYPE) {
          case 3:
            return true;
          // some
          case 5:
            return val;
          // find
          case 6:
            return index;
          // findIndex
          case 2:
            result.push(val);
          // filter
        } else if (IS_EVERY) return false; // every
      }
    }

    return IS_FIND_INDEX ? -1 : IS_SOME || IS_EVERY ? IS_EVERY : result;
  };
};

/***/ }),

/***/ 6419:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var aFunction = __webpack_require__(6819);
var toObject = __webpack_require__(2515);
var IObject = __webpack_require__(331);
var toLength = __webpack_require__(8315);
module.exports = function (that, callbackfn, aLen, memo, isRight) {
  aFunction(callbackfn);
  var O = toObject(that);
  var self = IObject(O);
  var length = toLength(O.length);
  var index = isRight ? length - 1 : 0;
  var i = isRight ? -1 : 1;
  if (aLen < 2) for (;;) {
    if (index in self) {
      memo = self[index];
      index += i;
      break;
    }
    index += i;
    if (isRight ? index < 0 : length <= index) {
      throw TypeError('Reduce of empty array with no initial value');
    }
  }
  for (; isRight ? index >= 0 : length > index; index += i) if (index in self) {
    memo = callbackfn(memo, self[index], index, O);
  }
  return memo;
};

/***/ }),

/***/ 2642:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var isObject = __webpack_require__(7156);
var isArray = __webpack_require__(1320);
var SPECIES = __webpack_require__(3336)('species');
module.exports = function (original) {
  var C;
  if (isArray(original)) {
    C = original.constructor;
    // cross-realm fallback
    if (typeof C == 'function' && (C === Array || isArray(C.prototype))) C = undefined;
    if (isObject(C)) {
      C = C[SPECIES];
      if (C === null) C = undefined;
    }
  }
  return C === undefined ? Array : C;
};

/***/ }),

/***/ 5486:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

// 9.4.2.3 ArraySpeciesCreate(originalArray, length)
var speciesConstructor = __webpack_require__(2642);
module.exports = function (original, length) {
  return new (speciesConstructor(original))(length);
};

/***/ }),

/***/ 8327:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {




var aFunction = __webpack_require__(6819);
var isObject = __webpack_require__(7156);
var invoke = __webpack_require__(2765);
var arraySlice = [].slice;
var factories = {};
var construct = function construct(F, len, args) {
  if (!(len in factories)) {
    for (var n = [], i = 0; i < len; i++) n[i] = 'a[' + i + ']';
    // eslint-disable-next-line no-new-func
    factories[len] = Function('F,a', 'return new F(' + n.join(',') + ')');
  }
  return factories[len](F, args);
};
module.exports = Function.bind || function bind(that /* , ...args */) {
  var fn = aFunction(this);
  var partArgs = arraySlice.call(arguments, 1);
  var bound = function bound( /* args... */
  ) {
    var args = partArgs.concat(arraySlice.call(arguments));
    return this instanceof bound ? construct(fn, args.length, args) : invoke(fn, args, that);
  };
  if (isObject(fn.prototype)) bound.prototype = fn.prototype;
  return bound;
};

/***/ }),

/***/ 2858:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

// getting tag from 19.1.3.6 Object.prototype.toString()
var cof = __webpack_require__(3679);
var TAG = __webpack_require__(3336)('toStringTag');
// ES3 wrong here
var ARG = cof(function () {
  return arguments;
}()) == 'Arguments';

// fallback for IE11 Script Access Denied error
var tryGet = function tryGet(it, key) {
  try {
    return it[key];
  } catch (e) {/* empty */}
};
module.exports = function (it) {
  var O, T, B;
  return it === undefined ? 'Undefined' : it === null ? 'Null'
  // @@toStringTag case
  : typeof (T = tryGet(O = Object(it), TAG)) == 'string' ? T
  // builtinTag case
  : ARG ? cof(O)
  // ES3 arguments fallback
  : (B = cof(O)) == 'Object' && typeof O.callee == 'function' ? 'Arguments' : B;
};

/***/ }),

/***/ 3679:
/***/ ((module) => {

var toString = {}.toString;
module.exports = function (it) {
  return toString.call(it).slice(8, -1);
};

/***/ }),

/***/ 4396:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {




var dP = (__webpack_require__(4835).f);
var create = __webpack_require__(4275);
var redefineAll = __webpack_require__(7228);
var ctx = __webpack_require__(566);
var anInstance = __webpack_require__(2702);
var forOf = __webpack_require__(2734);
var $iterDefine = __webpack_require__(4873);
var step = __webpack_require__(7218);
var setSpecies = __webpack_require__(4798);
var DESCRIPTORS = __webpack_require__(4926);
var fastKey = (__webpack_require__(3763).fastKey);
var validate = __webpack_require__(8546);
var SIZE = DESCRIPTORS ? '_s' : 'size';
var getEntry = function getEntry(that, key) {
  // fast case
  var index = fastKey(key);
  var entry;
  if (index !== 'F') return that._i[index];
  // frozen object case
  for (entry = that._f; entry; entry = entry.n) {
    if (entry.k == key) return entry;
  }
};
module.exports = {
  getConstructor: function getConstructor(wrapper, NAME, IS_MAP, ADDER) {
    var C = wrapper(function (that, iterable) {
      anInstance(that, C, NAME, '_i');
      that._t = NAME; // collection type
      that._i = create(null); // index
      that._f = undefined; // first entry
      that._l = undefined; // last entry
      that[SIZE] = 0; // size
      if (iterable != undefined) forOf(iterable, IS_MAP, that[ADDER], that);
    });
    redefineAll(C.prototype, {
      // 23.1.3.1 Map.prototype.clear()
      // 23.2.3.2 Set.prototype.clear()
      clear: function clear() {
        for (var that = validate(this, NAME), data = that._i, entry = that._f; entry; entry = entry.n) {
          entry.r = true;
          if (entry.p) entry.p = entry.p.n = undefined;
          delete data[entry.i];
        }
        that._f = that._l = undefined;
        that[SIZE] = 0;
      },
      // 23.1.3.3 Map.prototype.delete(key)
      // 23.2.3.4 Set.prototype.delete(value)
      'delete': function _delete(key) {
        var that = validate(this, NAME);
        var entry = getEntry(that, key);
        if (entry) {
          var next = entry.n;
          var prev = entry.p;
          delete that._i[entry.i];
          entry.r = true;
          if (prev) prev.n = next;
          if (next) next.p = prev;
          if (that._f == entry) that._f = next;
          if (that._l == entry) that._l = prev;
          that[SIZE]--;
        }
        return !!entry;
      },
      // 23.2.3.6 Set.prototype.forEach(callbackfn, thisArg = undefined)
      // 23.1.3.5 Map.prototype.forEach(callbackfn, thisArg = undefined)
      forEach: function forEach(callbackfn /* , that = undefined */) {
        validate(this, NAME);
        var f = ctx(callbackfn, arguments.length > 1 ? arguments[1] : undefined, 3);
        var entry;
        while (entry = entry ? entry.n : this._f) {
          f(entry.v, entry.k, this);
          // revert to the last existing entry
          while (entry && entry.r) entry = entry.p;
        }
      },
      // 23.1.3.7 Map.prototype.has(key)
      // 23.2.3.7 Set.prototype.has(value)
      has: function has(key) {
        return !!getEntry(validate(this, NAME), key);
      }
    });
    if (DESCRIPTORS) dP(C.prototype, 'size', {
      get: function get() {
        return validate(this, NAME)[SIZE];
      }
    });
    return C;
  },
  def: function def(that, key, value) {
    var entry = getEntry(that, key);
    var prev, index;
    // change existing entry
    if (entry) {
      entry.v = value;
      // create new entry
    } else {
      that._l = entry = {
        i: index = fastKey(key, true),
        // <- index
        k: key,
        // <- key
        v: value,
        // <- value
        p: prev = that._l,
        // <- previous entry
        n: undefined,
        // <- next entry
        r: false // <- removed
      };

      if (!that._f) that._f = entry;
      if (prev) prev.n = entry;
      that[SIZE]++;
      // add to index
      if (index !== 'F') that._i[index] = entry;
    }
    return that;
  },
  getEntry: getEntry,
  setStrong: function setStrong(C, NAME, IS_MAP) {
    // add .keys, .values, .entries, [@@iterator]
    // 23.1.3.4, 23.1.3.8, 23.1.3.11, 23.1.3.12, 23.2.3.5, 23.2.3.8, 23.2.3.10, 23.2.3.11
    $iterDefine(C, NAME, function (iterated, kind) {
      this._t = validate(iterated, NAME); // target
      this._k = kind; // kind
      this._l = undefined; // previous
    }, function () {
      var that = this;
      var kind = that._k;
      var entry = that._l;
      // revert to the last existing entry
      while (entry && entry.r) entry = entry.p;
      // get next entry
      if (!that._t || !(that._l = entry = entry ? entry.n : that._t._f)) {
        // or finish the iteration
        that._t = undefined;
        return step(1);
      }
      // return step by kind
      if (kind == 'keys') return step(0, entry.k);
      if (kind == 'values') return step(0, entry.v);
      return step(0, [entry.k, entry.v]);
    }, IS_MAP ? 'entries' : 'values', !IS_MAP, true);

    // add [@@species], 23.1.2.2, 23.2.2.2
    setSpecies(NAME);
  }
};

/***/ }),

/***/ 1872:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

// https://github.com/DavidBruant/Map-Set.prototype.toJSON
var classof = __webpack_require__(2858);
var from = __webpack_require__(5273);
module.exports = function (NAME) {
  return function toJSON() {
    if (classof(this) != NAME) throw TypeError(NAME + "#toJSON isn't generic");
    return from(this);
  };
};

/***/ }),

/***/ 4495:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {




var redefineAll = __webpack_require__(7228);
var getWeak = (__webpack_require__(3763).getWeak);
var anObject = __webpack_require__(6154);
var isObject = __webpack_require__(7156);
var anInstance = __webpack_require__(2702);
var forOf = __webpack_require__(2734);
var createArrayMethod = __webpack_require__(3970);
var $has = __webpack_require__(5389);
var validate = __webpack_require__(8546);
var arrayFind = createArrayMethod(5);
var arrayFindIndex = createArrayMethod(6);
var id = 0;

// fallback for uncaught frozen keys
var uncaughtFrozenStore = function uncaughtFrozenStore(that) {
  return that._l || (that._l = new UncaughtFrozenStore());
};
var UncaughtFrozenStore = function UncaughtFrozenStore() {
  this.a = [];
};
var findUncaughtFrozen = function findUncaughtFrozen(store, key) {
  return arrayFind(store.a, function (it) {
    return it[0] === key;
  });
};
UncaughtFrozenStore.prototype = {
  get: function get(key) {
    var entry = findUncaughtFrozen(this, key);
    if (entry) return entry[1];
  },
  has: function has(key) {
    return !!findUncaughtFrozen(this, key);
  },
  set: function set(key, value) {
    var entry = findUncaughtFrozen(this, key);
    if (entry) entry[1] = value;else this.a.push([key, value]);
  },
  'delete': function _delete(key) {
    var index = arrayFindIndex(this.a, function (it) {
      return it[0] === key;
    });
    if (~index) this.a.splice(index, 1);
    return !!~index;
  }
};
module.exports = {
  getConstructor: function getConstructor(wrapper, NAME, IS_MAP, ADDER) {
    var C = wrapper(function (that, iterable) {
      anInstance(that, C, NAME, '_i');
      that._t = NAME; // collection type
      that._i = id++; // collection id
      that._l = undefined; // leak store for uncaught frozen objects
      if (iterable != undefined) forOf(iterable, IS_MAP, that[ADDER], that);
    });
    redefineAll(C.prototype, {
      // 23.3.3.2 WeakMap.prototype.delete(key)
      // 23.4.3.3 WeakSet.prototype.delete(value)
      'delete': function _delete(key) {
        if (!isObject(key)) return false;
        var data = getWeak(key);
        if (data === true) return uncaughtFrozenStore(validate(this, NAME))['delete'](key);
        return data && $has(data, this._i) && delete data[this._i];
      },
      // 23.3.3.4 WeakMap.prototype.has(key)
      // 23.4.3.4 WeakSet.prototype.has(value)
      has: function has(key) {
        if (!isObject(key)) return false;
        var data = getWeak(key);
        if (data === true) return uncaughtFrozenStore(validate(this, NAME)).has(key);
        return data && $has(data, this._i);
      }
    });
    return C;
  },
  def: function def(that, key, value) {
    var data = getWeak(anObject(key), true);
    if (data === true) uncaughtFrozenStore(that).set(key, value);else data[that._i] = value;
    return that;
  },
  ufstore: uncaughtFrozenStore
};

/***/ }),

/***/ 1966:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {




var global = __webpack_require__(7381);
var $export = __webpack_require__(5913);
var redefine = __webpack_require__(7278);
var redefineAll = __webpack_require__(7228);
var meta = __webpack_require__(3763);
var forOf = __webpack_require__(2734);
var anInstance = __webpack_require__(2702);
var isObject = __webpack_require__(7156);
var fails = __webpack_require__(5810);
var $iterDetect = __webpack_require__(5508);
var setToStringTag = __webpack_require__(8094);
var inheritIfRequired = __webpack_require__(3654);
module.exports = function (NAME, wrapper, methods, common, IS_MAP, IS_WEAK) {
  var Base = global[NAME];
  var C = Base;
  var ADDER = IS_MAP ? 'set' : 'add';
  var proto = C && C.prototype;
  var O = {};
  var fixMethod = function fixMethod(KEY) {
    var fn = proto[KEY];
    redefine(proto, KEY, KEY == 'delete' ? function (a) {
      return IS_WEAK && !isObject(a) ? false : fn.call(this, a === 0 ? 0 : a);
    } : KEY == 'has' ? function has(a) {
      return IS_WEAK && !isObject(a) ? false : fn.call(this, a === 0 ? 0 : a);
    } : KEY == 'get' ? function get(a) {
      return IS_WEAK && !isObject(a) ? undefined : fn.call(this, a === 0 ? 0 : a);
    } : KEY == 'add' ? function add(a) {
      fn.call(this, a === 0 ? 0 : a);
      return this;
    } : function set(a, b) {
      fn.call(this, a === 0 ? 0 : a, b);
      return this;
    });
  };
  if (typeof C != 'function' || !(IS_WEAK || proto.forEach && !fails(function () {
    new C().entries().next();
  }))) {
    // create collection constructor
    C = common.getConstructor(wrapper, NAME, IS_MAP, ADDER);
    redefineAll(C.prototype, methods);
    meta.NEED = true;
  } else {
    var instance = new C();
    // early implementations not supports chaining
    var HASNT_CHAINING = instance[ADDER](IS_WEAK ? {} : -0, 1) != instance;
    // V8 ~  Chromium 40- weak-collections throws on primitives, but should return false
    var THROWS_ON_PRIMITIVES = fails(function () {
      instance.has(1);
    });
    // most early implementations doesn't supports iterables, most modern - not close it correctly
    var ACCEPT_ITERABLES = $iterDetect(function (iter) {
      new C(iter);
    }); // eslint-disable-line no-new
    // for early implementations -0 and +0 not the same
    var BUGGY_ZERO = !IS_WEAK && fails(function () {
      // V8 ~ Chromium 42- fails only with 5+ elements
      var $instance = new C();
      var index = 5;
      while (index--) $instance[ADDER](index, index);
      return !$instance.has(-0);
    });
    if (!ACCEPT_ITERABLES) {
      C = wrapper(function (target, iterable) {
        anInstance(target, C, NAME);
        var that = inheritIfRequired(new Base(), target, C);
        if (iterable != undefined) forOf(iterable, IS_MAP, that[ADDER], that);
        return that;
      });
      C.prototype = proto;
      proto.constructor = C;
    }
    if (THROWS_ON_PRIMITIVES || BUGGY_ZERO) {
      fixMethod('delete');
      fixMethod('has');
      IS_MAP && fixMethod('get');
    }
    if (BUGGY_ZERO || HASNT_CHAINING) fixMethod(ADDER);
    // weak collections should not contains .clear method
    if (IS_WEAK && proto.clear) delete proto.clear;
  }
  setToStringTag(C, NAME);
  O[NAME] = C;
  $export($export.G + $export.W + $export.F * (C != Base), O);
  if (!IS_WEAK) common.setStrong(C, NAME, IS_MAP);
  return C;
};

/***/ }),

/***/ 8544:
/***/ ((module) => {

var core = module.exports = {
  version: '2.6.12'
};
if (typeof __e == 'number') __e = core; // eslint-disable-line no-undef

/***/ }),

/***/ 1348:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {




var $defineProperty = __webpack_require__(4835);
var createDesc = __webpack_require__(6256);
module.exports = function (object, index, value) {
  if (index in object) $defineProperty.f(object, index, createDesc(0, value));else object[index] = value;
};

/***/ }),

/***/ 566:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

// optional / simple context binding
var aFunction = __webpack_require__(6819);
module.exports = function (fn, that, length) {
  aFunction(fn);
  if (that === undefined) return fn;
  switch (length) {
    case 1:
      return function (a) {
        return fn.call(that, a);
      };
    case 2:
      return function (a, b) {
        return fn.call(that, a, b);
      };
    case 3:
      return function (a, b, c) {
        return fn.call(that, a, b, c);
      };
  }
  return function /* ...args */
  () {
    return fn.apply(that, arguments);
  };
};

/***/ }),

/***/ 2115:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {




// 20.3.4.36 / 15.9.5.43 Date.prototype.toISOString()
var fails = __webpack_require__(5810);
var getTime = Date.prototype.getTime;
var $toISOString = Date.prototype.toISOString;
var lz = function lz(num) {
  return num > 9 ? num : '0' + num;
};

// PhantomJS / old WebKit has a broken implementations
module.exports = fails(function () {
  return $toISOString.call(new Date(-5e13 - 1)) != '0385-07-25T07:06:39.999Z';
}) || !fails(function () {
  $toISOString.call(new Date(NaN));
}) ? function toISOString() {
  if (!isFinite(getTime.call(this))) throw RangeError('Invalid time value');
  var d = this;
  var y = d.getUTCFullYear();
  var m = d.getUTCMilliseconds();
  var s = y < 0 ? '-' : y > 9999 ? '+' : '';
  return s + ('00000' + Math.abs(y)).slice(s ? -6 : -4) + '-' + lz(d.getUTCMonth() + 1) + '-' + lz(d.getUTCDate()) + 'T' + lz(d.getUTCHours()) + ':' + lz(d.getUTCMinutes()) + ':' + lz(d.getUTCSeconds()) + '.' + (m > 99 ? m : '0' + lz(m)) + 'Z';
} : $toISOString;

/***/ }),

/***/ 296:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {




var anObject = __webpack_require__(6154);
var toPrimitive = __webpack_require__(8537);
var NUMBER = 'number';
module.exports = function (hint) {
  if (hint !== 'string' && hint !== NUMBER && hint !== 'default') throw TypeError('Incorrect hint');
  return toPrimitive(anObject(this), hint != NUMBER);
};

/***/ }),

/***/ 408:
/***/ ((module) => {

// 7.2.1 RequireObjectCoercible(argument)
module.exports = function (it) {
  if (it == undefined) throw TypeError("Can't call method on  " + it);
  return it;
};

/***/ }),

/***/ 4926:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

// Thank's IE8 for his funny defineProperty
module.exports = !__webpack_require__(5810)(function () {
  return Object.defineProperty({}, 'a', {
    get: function get() {
      return 7;
    }
  }).a != 7;
});

/***/ }),

/***/ 2241:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var isObject = __webpack_require__(7156);
var document = (__webpack_require__(7381).document);
// typeof document.createElement is 'object' in old IE
var is = isObject(document) && isObject(document.createElement);
module.exports = function (it) {
  return is ? document.createElement(it) : {};
};

/***/ }),

/***/ 6921:
/***/ ((module) => {

// IE 8- don't enum bug keys
module.exports = 'constructor,hasOwnProperty,isPrototypeOf,propertyIsEnumerable,toLocaleString,toString,valueOf'.split(',');

/***/ }),

/***/ 8727:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

// all enumerable object keys, includes symbols
var getKeys = __webpack_require__(9924);
var gOPS = __webpack_require__(5421);
var pIE = __webpack_require__(4616);
module.exports = function (it) {
  var result = getKeys(it);
  var getSymbols = gOPS.f;
  if (getSymbols) {
    var symbols = getSymbols(it);
    var isEnum = pIE.f;
    var i = 0;
    var key;
    while (symbols.length > i) if (isEnum.call(it, key = symbols[i++])) result.push(key);
  }
  return result;
};

/***/ }),

/***/ 5913:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var global = __webpack_require__(7381);
var core = __webpack_require__(8544);
var hide = __webpack_require__(8012);
var redefine = __webpack_require__(7278);
var ctx = __webpack_require__(566);
var PROTOTYPE = 'prototype';
var $export = function $export(type, name, source) {
  var IS_FORCED = type & $export.F;
  var IS_GLOBAL = type & $export.G;
  var IS_STATIC = type & $export.S;
  var IS_PROTO = type & $export.P;
  var IS_BIND = type & $export.B;
  var target = IS_GLOBAL ? global : IS_STATIC ? global[name] || (global[name] = {}) : (global[name] || {})[PROTOTYPE];
  var exports = IS_GLOBAL ? core : core[name] || (core[name] = {});
  var expProto = exports[PROTOTYPE] || (exports[PROTOTYPE] = {});
  var key, own, out, exp;
  if (IS_GLOBAL) source = name;
  for (key in source) {
    // contains in native
    own = !IS_FORCED && target && target[key] !== undefined;
    // export native or passed
    out = (own ? target : source)[key];
    // bind timers to global for call from export context
    exp = IS_BIND && own ? ctx(out, global) : IS_PROTO && typeof out == 'function' ? ctx(Function.call, out) : out;
    // extend global
    if (target) redefine(target, key, out, type & $export.U);
    // export
    if (exports[key] != out) hide(exports, key, exp);
    if (IS_PROTO && expProto[key] != out) expProto[key] = out;
  }
};
global.core = core;
// type bitmap
$export.F = 1; // forced
$export.G = 2; // global
$export.S = 4; // static
$export.P = 8; // proto
$export.B = 16; // bind
$export.W = 32; // wrap
$export.U = 64; // safe
$export.R = 128; // real proto method for `library`
module.exports = $export;

/***/ }),

/***/ 3483:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var MATCH = __webpack_require__(3336)('match');
module.exports = function (KEY) {
  var re = /./;
  try {
    '/./'[KEY](re);
  } catch (e) {
    try {
      re[MATCH] = false;
      return !'/./'[KEY](re);
    } catch (f) {/* empty */}
  }
  return true;
};

/***/ }),

/***/ 5810:
/***/ ((module) => {

module.exports = function (exec) {
  try {
    return !!exec();
  } catch (e) {
    return true;
  }
};

/***/ }),

/***/ 8644:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {




__webpack_require__(5997);
var redefine = __webpack_require__(7278);
var hide = __webpack_require__(8012);
var fails = __webpack_require__(5810);
var defined = __webpack_require__(408);
var wks = __webpack_require__(3336);
var regexpExec = __webpack_require__(6997);
var SPECIES = wks('species');
var REPLACE_SUPPORTS_NAMED_GROUPS = !fails(function () {
  // #replace needs built-in support for named groups.
  // #match works fine because it just return the exec results, even if it has
  // a "grops" property.
  var re = /./;
  re.exec = function () {
    var result = [];
    result.groups = {
      a: '7'
    };
    return result;
  };
  return ''.replace(re, '$<a>') !== '7';
});
var SPLIT_WORKS_WITH_OVERWRITTEN_EXEC = function () {
  // Chrome 51 has a buggy "split" implementation when RegExp#exec !== nativeExec
  var re = /(?:)/;
  var originalExec = re.exec;
  re.exec = function () {
    return originalExec.apply(this, arguments);
  };
  var result = 'ab'.split(re);
  return result.length === 2 && result[0] === 'a' && result[1] === 'b';
}();
module.exports = function (KEY, length, exec) {
  var SYMBOL = wks(KEY);
  var DELEGATES_TO_SYMBOL = !fails(function () {
    // String methods call symbol-named RegEp methods
    var O = {};
    O[SYMBOL] = function () {
      return 7;
    };
    return ''[KEY](O) != 7;
  });
  var DELEGATES_TO_EXEC = DELEGATES_TO_SYMBOL ? !fails(function () {
    // Symbol-named RegExp methods call .exec
    var execCalled = false;
    var re = /a/;
    re.exec = function () {
      execCalled = true;
      return null;
    };
    if (KEY === 'split') {
      // RegExp[@@split] doesn't call the regex's exec method, but first creates
      // a new one. We need to return the patched regex when creating the new one.
      re.constructor = {};
      re.constructor[SPECIES] = function () {
        return re;
      };
    }
    re[SYMBOL]('');
    return !execCalled;
  }) : undefined;
  if (!DELEGATES_TO_SYMBOL || !DELEGATES_TO_EXEC || KEY === 'replace' && !REPLACE_SUPPORTS_NAMED_GROUPS || KEY === 'split' && !SPLIT_WORKS_WITH_OVERWRITTEN_EXEC) {
    var nativeRegExpMethod = /./[SYMBOL];
    var fns = exec(defined, SYMBOL, ''[KEY], function maybeCallNative(nativeMethod, regexp, str, arg2, forceStringMethod) {
      if (regexp.exec === regexpExec) {
        if (DELEGATES_TO_SYMBOL && !forceStringMethod) {
          // The native String method already delegates to @@method (this
          // polyfilled function), leasing to infinite recursion.
          // We avoid it by directly calling the native @@method method.
          return {
            done: true,
            value: nativeRegExpMethod.call(regexp, str, arg2)
          };
        }
        return {
          done: true,
          value: nativeMethod.call(str, regexp, arg2)
        };
      }
      return {
        done: false
      };
    });
    var strfn = fns[0];
    var rxfn = fns[1];
    redefine(String.prototype, KEY, strfn);
    hide(RegExp.prototype, SYMBOL, length == 2
    // 21.2.5.8 RegExp.prototype[@@replace](string, replaceValue)
    // 21.2.5.11 RegExp.prototype[@@split](string, limit)
    ? function (string, arg) {
      return rxfn.call(string, this, arg);
    }
    // 21.2.5.6 RegExp.prototype[@@match](string)
    // 21.2.5.9 RegExp.prototype[@@search](string)
    : function (string) {
      return rxfn.call(string, this);
    });
  }
};

/***/ }),

/***/ 2188:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {




// 21.2.5.3 get RegExp.prototype.flags
var anObject = __webpack_require__(6154);
module.exports = function () {
  var that = anObject(this);
  var result = '';
  if (that.global) result += 'g';
  if (that.ignoreCase) result += 'i';
  if (that.multiline) result += 'm';
  if (that.unicode) result += 'u';
  if (that.sticky) result += 'y';
  return result;
};

/***/ }),

/***/ 3120:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {




// https://tc39.github.io/proposal-flatMap/#sec-FlattenIntoArray
var isArray = __webpack_require__(1320);
var isObject = __webpack_require__(7156);
var toLength = __webpack_require__(8315);
var ctx = __webpack_require__(566);
var IS_CONCAT_SPREADABLE = __webpack_require__(3336)('isConcatSpreadable');
function flattenIntoArray(target, original, source, sourceLen, start, depth, mapper, thisArg) {
  var targetIndex = start;
  var sourceIndex = 0;
  var mapFn = mapper ? ctx(mapper, thisArg, 3) : false;
  var element, spreadable;
  while (sourceIndex < sourceLen) {
    if (sourceIndex in source) {
      element = mapFn ? mapFn(source[sourceIndex], sourceIndex, original) : source[sourceIndex];
      spreadable = false;
      if (isObject(element)) {
        spreadable = element[IS_CONCAT_SPREADABLE];
        spreadable = spreadable !== undefined ? !!spreadable : isArray(element);
      }
      if (spreadable && depth > 0) {
        targetIndex = flattenIntoArray(target, original, element, toLength(element.length), targetIndex, depth - 1) - 1;
      } else {
        if (targetIndex >= 0x1fffffffffffff) throw TypeError();
        target[targetIndex] = element;
      }
      targetIndex++;
    }
    sourceIndex++;
  }
  return targetIndex;
}
module.exports = flattenIntoArray;

/***/ }),

/***/ 2734:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var ctx = __webpack_require__(566);
var call = __webpack_require__(2471);
var isArrayIter = __webpack_require__(7063);
var anObject = __webpack_require__(6154);
var toLength = __webpack_require__(8315);
var getIterFn = __webpack_require__(7637);
var BREAK = {};
var RETURN = {};
var exports = module.exports = function (iterable, entries, fn, that, ITERATOR) {
  var iterFn = ITERATOR ? function () {
    return iterable;
  } : getIterFn(iterable);
  var f = ctx(fn, that, entries ? 2 : 1);
  var index = 0;
  var length, step, iterator, result;
  if (typeof iterFn != 'function') throw TypeError(iterable + ' is not iterable!');
  // fast case for arrays with default iterator
  if (isArrayIter(iterFn)) for (length = toLength(iterable.length); length > index; index++) {
    result = entries ? f(anObject(step = iterable[index])[0], step[1]) : f(iterable[index]);
    if (result === BREAK || result === RETURN) return result;
  } else for (iterator = iterFn.call(iterable); !(step = iterator.next()).done;) {
    result = call(iterator, f, step.value, entries);
    if (result === BREAK || result === RETURN) return result;
  }
};
exports.BREAK = BREAK;
exports.RETURN = RETURN;

/***/ }),

/***/ 1174:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

module.exports = __webpack_require__(3192)('native-function-to-string', Function.toString);

/***/ }),

/***/ 7381:
/***/ ((module) => {

// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028
var global = module.exports = typeof window != 'undefined' && window.Math == Math ? window : typeof self != 'undefined' && self.Math == Math ? self
// eslint-disable-next-line no-new-func
: Function('return this')();
if (typeof __g == 'number') __g = global; // eslint-disable-line no-undef

/***/ }),

/***/ 5389:
/***/ ((module) => {

var hasOwnProperty = {}.hasOwnProperty;
module.exports = function (it, key) {
  return hasOwnProperty.call(it, key);
};

/***/ }),

/***/ 8012:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var dP = __webpack_require__(4835);
var createDesc = __webpack_require__(6256);
module.exports = __webpack_require__(4926) ? function (object, key, value) {
  return dP.f(object, key, createDesc(1, value));
} : function (object, key, value) {
  object[key] = value;
  return object;
};

/***/ }),

/***/ 1225:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var document = (__webpack_require__(7381).document);
module.exports = document && document.documentElement;

/***/ }),

/***/ 5142:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

module.exports = !__webpack_require__(4926) && !__webpack_require__(5810)(function () {
  return Object.defineProperty(__webpack_require__(2241)('div'), 'a', {
    get: function get() {
      return 7;
    }
  }).a != 7;
});

/***/ }),

/***/ 3654:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var isObject = __webpack_require__(7156);
var setPrototypeOf = (__webpack_require__(6931).set);
module.exports = function (that, target, C) {
  var S = target.constructor;
  var P;
  if (S !== C && typeof S == 'function' && (P = S.prototype) !== C.prototype && isObject(P) && setPrototypeOf) {
    setPrototypeOf(that, P);
  }
  return that;
};

/***/ }),

/***/ 2765:
/***/ ((module) => {

// fast apply, http://jsperf.lnkit.com/fast-apply/5
module.exports = function (fn, args, that) {
  var un = that === undefined;
  switch (args.length) {
    case 0:
      return un ? fn() : fn.call(that);
    case 1:
      return un ? fn(args[0]) : fn.call(that, args[0]);
    case 2:
      return un ? fn(args[0], args[1]) : fn.call(that, args[0], args[1]);
    case 3:
      return un ? fn(args[0], args[1], args[2]) : fn.call(that, args[0], args[1], args[2]);
    case 4:
      return un ? fn(args[0], args[1], args[2], args[3]) : fn.call(that, args[0], args[1], args[2], args[3]);
  }
  return fn.apply(that, args);
};

/***/ }),

/***/ 331:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

// fallback for non-array-like ES3 and non-enumerable old V8 strings
var cof = __webpack_require__(3679);
// eslint-disable-next-line no-prototype-builtins
module.exports = Object('z').propertyIsEnumerable(0) ? Object : function (it) {
  return cof(it) == 'String' ? it.split('') : Object(it);
};

/***/ }),

/***/ 7063:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

// check on default Array iterator
var Iterators = __webpack_require__(5301);
var ITERATOR = __webpack_require__(3336)('iterator');
var ArrayProto = Array.prototype;
module.exports = function (it) {
  return it !== undefined && (Iterators.Array === it || ArrayProto[ITERATOR] === it);
};

/***/ }),

/***/ 1320:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

// 7.2.2 IsArray(argument)
var cof = __webpack_require__(3679);
module.exports = Array.isArray || function isArray(arg) {
  return cof(arg) == 'Array';
};

/***/ }),

/***/ 5127:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

// 20.1.2.3 Number.isInteger(number)
var isObject = __webpack_require__(7156);
var floor = Math.floor;
module.exports = function isInteger(it) {
  return !isObject(it) && isFinite(it) && floor(it) === it;
};

/***/ }),

/***/ 7156:
/***/ ((module) => {

function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
module.exports = function (it) {
  return _typeof(it) === 'object' ? it !== null : typeof it === 'function';
};

/***/ }),

/***/ 1993:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

// 7.2.8 IsRegExp(argument)
var isObject = __webpack_require__(7156);
var cof = __webpack_require__(3679);
var MATCH = __webpack_require__(3336)('match');
module.exports = function (it) {
  var isRegExp;
  return isObject(it) && ((isRegExp = it[MATCH]) !== undefined ? !!isRegExp : cof(it) == 'RegExp');
};

/***/ }),

/***/ 2471:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

// call something on iterator step with safe closing on error
var anObject = __webpack_require__(6154);
module.exports = function (iterator, fn, value, entries) {
  try {
    return entries ? fn(anObject(value)[0], value[1]) : fn(value);
    // 7.4.6 IteratorClose(iterator, completion)
  } catch (e) {
    var ret = iterator['return'];
    if (ret !== undefined) anObject(ret.call(iterator));
    throw e;
  }
};

/***/ }),

/***/ 8258:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {




var create = __webpack_require__(4275);
var descriptor = __webpack_require__(6256);
var setToStringTag = __webpack_require__(8094);
var IteratorPrototype = {};

// 25.1.2.1.1 %IteratorPrototype%[@@iterator]()
__webpack_require__(8012)(IteratorPrototype, __webpack_require__(3336)('iterator'), function () {
  return this;
});
module.exports = function (Constructor, NAME, next) {
  Constructor.prototype = create(IteratorPrototype, {
    next: descriptor(1, next)
  });
  setToStringTag(Constructor, NAME + ' Iterator');
};

/***/ }),

/***/ 4873:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {




var LIBRARY = __webpack_require__(4219);
var $export = __webpack_require__(5913);
var redefine = __webpack_require__(7278);
var hide = __webpack_require__(8012);
var Iterators = __webpack_require__(5301);
var $iterCreate = __webpack_require__(8258);
var setToStringTag = __webpack_require__(8094);
var getPrototypeOf = __webpack_require__(4153);
var ITERATOR = __webpack_require__(3336)('iterator');
var BUGGY = !([].keys && 'next' in [].keys()); // Safari has buggy iterators w/o `next`
var FF_ITERATOR = '@@iterator';
var KEYS = 'keys';
var VALUES = 'values';
var returnThis = function returnThis() {
  return this;
};
module.exports = function (Base, NAME, Constructor, next, DEFAULT, IS_SET, FORCED) {
  $iterCreate(Constructor, NAME, next);
  var getMethod = function getMethod(kind) {
    if (!BUGGY && kind in proto) return proto[kind];
    switch (kind) {
      case KEYS:
        return function keys() {
          return new Constructor(this, kind);
        };
      case VALUES:
        return function values() {
          return new Constructor(this, kind);
        };
    }
    return function entries() {
      return new Constructor(this, kind);
    };
  };
  var TAG = NAME + ' Iterator';
  var DEF_VALUES = DEFAULT == VALUES;
  var VALUES_BUG = false;
  var proto = Base.prototype;
  var $native = proto[ITERATOR] || proto[FF_ITERATOR] || DEFAULT && proto[DEFAULT];
  var $default = $native || getMethod(DEFAULT);
  var $entries = DEFAULT ? !DEF_VALUES ? $default : getMethod('entries') : undefined;
  var $anyNative = NAME == 'Array' ? proto.entries || $native : $native;
  var methods, key, IteratorPrototype;
  // Fix native
  if ($anyNative) {
    IteratorPrototype = getPrototypeOf($anyNative.call(new Base()));
    if (IteratorPrototype !== Object.prototype && IteratorPrototype.next) {
      // Set @@toStringTag to native iterators
      setToStringTag(IteratorPrototype, TAG, true);
      // fix for some old engines
      if (!LIBRARY && typeof IteratorPrototype[ITERATOR] != 'function') hide(IteratorPrototype, ITERATOR, returnThis);
    }
  }
  // fix Array#{values, @@iterator}.name in V8 / FF
  if (DEF_VALUES && $native && $native.name !== VALUES) {
    VALUES_BUG = true;
    $default = function values() {
      return $native.call(this);
    };
  }
  // Define iterator
  if ((!LIBRARY || FORCED) && (BUGGY || VALUES_BUG || !proto[ITERATOR])) {
    hide(proto, ITERATOR, $default);
  }
  // Plug for library
  Iterators[NAME] = $default;
  Iterators[TAG] = returnThis;
  if (DEFAULT) {
    methods = {
      values: DEF_VALUES ? $default : getMethod(VALUES),
      keys: IS_SET ? $default : getMethod(KEYS),
      entries: $entries
    };
    if (FORCED) for (key in methods) {
      if (!(key in proto)) redefine(proto, key, methods[key]);
    } else $export($export.P + $export.F * (BUGGY || VALUES_BUG), NAME, methods);
  }
  return methods;
};

/***/ }),

/***/ 5508:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var ITERATOR = __webpack_require__(3336)('iterator');
var SAFE_CLOSING = false;
try {
  var riter = [7][ITERATOR]();
  riter['return'] = function () {
    SAFE_CLOSING = true;
  };
  // eslint-disable-next-line no-throw-literal
  Array.from(riter, function () {
    throw 2;
  });
} catch (e) {/* empty */}
module.exports = function (exec, skipClosing) {
  if (!skipClosing && !SAFE_CLOSING) return false;
  var safe = false;
  try {
    var arr = [7];
    var iter = arr[ITERATOR]();
    iter.next = function () {
      return {
        done: safe = true
      };
    };
    arr[ITERATOR] = function () {
      return iter;
    };
    exec(arr);
  } catch (e) {/* empty */}
  return safe;
};

/***/ }),

/***/ 7218:
/***/ ((module) => {

module.exports = function (done, value) {
  return {
    value: value,
    done: !!done
  };
};

/***/ }),

/***/ 5301:
/***/ ((module) => {

module.exports = {};

/***/ }),

/***/ 4219:
/***/ ((module) => {

module.exports = false;

/***/ }),

/***/ 4774:
/***/ ((module) => {

// 20.2.2.14 Math.expm1(x)
var $expm1 = Math.expm1;
module.exports = !$expm1
// Old FF bug
|| $expm1(10) > 22025.465794806719 || $expm1(10) < 22025.4657948067165168
// Tor Browser bug
|| $expm1(-2e-17) != -2e-17 ? function expm1(x) {
  return (x = +x) == 0 ? x : x > -1e-6 && x < 1e-6 ? x + x * x / 2 : Math.exp(x) - 1;
} : $expm1;

/***/ }),

/***/ 3800:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

// 20.2.2.16 Math.fround(x)
var sign = __webpack_require__(4012);
var pow = Math.pow;
var EPSILON = pow(2, -52);
var EPSILON32 = pow(2, -23);
var MAX32 = pow(2, 127) * (2 - EPSILON32);
var MIN32 = pow(2, -126);
var roundTiesToEven = function roundTiesToEven(n) {
  return n + 1 / EPSILON - 1 / EPSILON;
};
module.exports = Math.fround || function fround(x) {
  var $abs = Math.abs(x);
  var $sign = sign(x);
  var a, result;
  if ($abs < MIN32) return $sign * roundTiesToEven($abs / MIN32 / EPSILON32) * MIN32 * EPSILON32;
  a = (1 + EPSILON32 / EPSILON) * $abs;
  result = a - (a - $abs);
  // eslint-disable-next-line no-self-compare
  if (result > MAX32 || result != result) return $sign * Infinity;
  return $sign * result;
};

/***/ }),

/***/ 5447:
/***/ ((module) => {

// 20.2.2.20 Math.log1p(x)
module.exports = Math.log1p || function log1p(x) {
  return (x = +x) > -1e-8 && x < 1e-8 ? x - x * x / 2 : Math.log(1 + x);
};

/***/ }),

/***/ 8124:
/***/ ((module) => {

// https://rwaldron.github.io/proposal-math-extensions/
module.exports = Math.scale || function scale(x, inLow, inHigh, outLow, outHigh) {
  if (arguments.length === 0
  // eslint-disable-next-line no-self-compare
  || x != x
  // eslint-disable-next-line no-self-compare
  || inLow != inLow
  // eslint-disable-next-line no-self-compare
  || inHigh != inHigh
  // eslint-disable-next-line no-self-compare
  || outLow != outLow
  // eslint-disable-next-line no-self-compare
  || outHigh != outHigh) return NaN;
  if (x === Infinity || x === -Infinity) return x;
  return (x - inLow) * (outHigh - outLow) / (inHigh - inLow) + outLow;
};

/***/ }),

/***/ 4012:
/***/ ((module) => {

// 20.2.2.28 Math.sign(x)
module.exports = Math.sign || function sign(x) {
  // eslint-disable-next-line no-self-compare
  return (x = +x) == 0 || x != x ? x : x < 0 ? -1 : 1;
};

/***/ }),

/***/ 3763:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
var META = __webpack_require__(7936)('meta');
var isObject = __webpack_require__(7156);
var has = __webpack_require__(5389);
var setDesc = (__webpack_require__(4835).f);
var id = 0;
var isExtensible = Object.isExtensible || function () {
  return true;
};
var FREEZE = !__webpack_require__(5810)(function () {
  return isExtensible(Object.preventExtensions({}));
});
var setMeta = function setMeta(it) {
  setDesc(it, META, {
    value: {
      i: 'O' + ++id,
      // object ID
      w: {} // weak collections IDs
    }
  });
};

var fastKey = function fastKey(it, create) {
  // return primitive with prefix
  if (!isObject(it)) return _typeof(it) == 'symbol' ? it : (typeof it == 'string' ? 'S' : 'P') + it;
  if (!has(it, META)) {
    // can't set metadata to uncaught frozen object
    if (!isExtensible(it)) return 'F';
    // not necessary to add metadata
    if (!create) return 'E';
    // add missing metadata
    setMeta(it);
    // return object ID
  }
  return it[META].i;
};
var getWeak = function getWeak(it, create) {
  if (!has(it, META)) {
    // can't set metadata to uncaught frozen object
    if (!isExtensible(it)) return true;
    // not necessary to add metadata
    if (!create) return false;
    // add missing metadata
    setMeta(it);
    // return hash weak collections IDs
  }
  return it[META].w;
};
// add metadata on freeze-family methods calling
var onFreeze = function onFreeze(it) {
  if (FREEZE && meta.NEED && isExtensible(it) && !has(it, META)) setMeta(it);
  return it;
};
var meta = module.exports = {
  KEY: META,
  NEED: false,
  fastKey: fastKey,
  getWeak: getWeak,
  onFreeze: onFreeze
};

/***/ }),

/***/ 8953:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
var Map = __webpack_require__(8969);
var $export = __webpack_require__(5913);
var shared = __webpack_require__(3192)('metadata');
var store = shared.store || (shared.store = new (__webpack_require__(3491))());
var getOrCreateMetadataMap = function getOrCreateMetadataMap(target, targetKey, create) {
  var targetMetadata = store.get(target);
  if (!targetMetadata) {
    if (!create) return undefined;
    store.set(target, targetMetadata = new Map());
  }
  var keyMetadata = targetMetadata.get(targetKey);
  if (!keyMetadata) {
    if (!create) return undefined;
    targetMetadata.set(targetKey, keyMetadata = new Map());
  }
  return keyMetadata;
};
var ordinaryHasOwnMetadata = function ordinaryHasOwnMetadata(MetadataKey, O, P) {
  var metadataMap = getOrCreateMetadataMap(O, P, false);
  return metadataMap === undefined ? false : metadataMap.has(MetadataKey);
};
var ordinaryGetOwnMetadata = function ordinaryGetOwnMetadata(MetadataKey, O, P) {
  var metadataMap = getOrCreateMetadataMap(O, P, false);
  return metadataMap === undefined ? undefined : metadataMap.get(MetadataKey);
};
var ordinaryDefineOwnMetadata = function ordinaryDefineOwnMetadata(MetadataKey, MetadataValue, O, P) {
  getOrCreateMetadataMap(O, P, true).set(MetadataKey, MetadataValue);
};
var ordinaryOwnMetadataKeys = function ordinaryOwnMetadataKeys(target, targetKey) {
  var metadataMap = getOrCreateMetadataMap(target, targetKey, false);
  var keys = [];
  if (metadataMap) metadataMap.forEach(function (_, key) {
    keys.push(key);
  });
  return keys;
};
var toMetaKey = function toMetaKey(it) {
  return it === undefined || _typeof(it) == 'symbol' ? it : String(it);
};
var exp = function exp(O) {
  $export($export.S, 'Reflect', O);
};
module.exports = {
  store: store,
  map: getOrCreateMetadataMap,
  has: ordinaryHasOwnMetadata,
  get: ordinaryGetOwnMetadata,
  set: ordinaryDefineOwnMetadata,
  keys: ordinaryOwnMetadataKeys,
  key: toMetaKey,
  exp: exp
};

/***/ }),

/***/ 1842:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var global = __webpack_require__(7381);
var macrotask = (__webpack_require__(8220).set);
var Observer = global.MutationObserver || global.WebKitMutationObserver;
var process = global.process;
var Promise = global.Promise;
var isNode = __webpack_require__(3679)(process) == 'process';
module.exports = function () {
  var head, last, notify;
  var flush = function flush() {
    var parent, fn;
    if (isNode && (parent = process.domain)) parent.exit();
    while (head) {
      fn = head.fn;
      head = head.next;
      try {
        fn();
      } catch (e) {
        if (head) notify();else last = undefined;
        throw e;
      }
    }
    last = undefined;
    if (parent) parent.enter();
  };

  // Node.js
  if (isNode) {
    notify = function notify() {
      process.nextTick(flush);
    };
    // browsers with MutationObserver, except iOS Safari - https://github.com/zloirock/core-js/issues/339
  } else if (Observer && !(global.navigator && global.navigator.standalone)) {
    var toggle = true;
    var node = document.createTextNode('');
    new Observer(flush).observe(node, {
      characterData: true
    }); // eslint-disable-line no-new
    notify = function notify() {
      node.data = toggle = !toggle;
    };
    // environments with maybe non-completely correct, but existent Promise
  } else if (Promise && Promise.resolve) {
    // Promise.resolve without an argument throws an error in LG WebOS 2
    var promise = Promise.resolve(undefined);
    notify = function notify() {
      promise.then(flush);
    };
    // for other environments - macrotask based on:
    // - setImmediate
    // - MessageChannel
    // - window.postMessag
    // - onreadystatechange
    // - setTimeout
  } else {
    notify = function notify() {
      // strange IE + webpack dev server bug - use .call(global)
      macrotask.call(global, flush);
    };
  }
  return function (fn) {
    var task = {
      fn: fn,
      next: undefined
    };
    if (last) last.next = task;
    if (!head) {
      head = task;
      notify();
    }
    last = task;
  };
};

/***/ }),

/***/ 4086:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {




// 25.4.1.5 NewPromiseCapability(C)
var aFunction = __webpack_require__(6819);
function PromiseCapability(C) {
  var resolve, reject;
  this.promise = new C(function ($$resolve, $$reject) {
    if (resolve !== undefined || reject !== undefined) throw TypeError('Bad Promise constructor');
    resolve = $$resolve;
    reject = $$reject;
  });
  this.resolve = aFunction(resolve);
  this.reject = aFunction(reject);
}
module.exports.f = function (C) {
  return new PromiseCapability(C);
};

/***/ }),

/***/ 8559:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {




// 19.1.2.1 Object.assign(target, source, ...)
var DESCRIPTORS = __webpack_require__(4926);
var getKeys = __webpack_require__(9924);
var gOPS = __webpack_require__(5421);
var pIE = __webpack_require__(4616);
var toObject = __webpack_require__(2515);
var IObject = __webpack_require__(331);
var $assign = Object.assign;

// should work with symbols and should have deterministic property order (V8 bug)
module.exports = !$assign || __webpack_require__(5810)(function () {
  var A = {};
  var B = {};
  // eslint-disable-next-line no-undef
  var S = Symbol();
  var K = 'abcdefghijklmnopqrst';
  A[S] = 7;
  K.split('').forEach(function (k) {
    B[k] = k;
  });
  return $assign({}, A)[S] != 7 || Object.keys($assign({}, B)).join('') != K;
}) ? function assign(target, source) {
  // eslint-disable-line no-unused-vars
  var T = toObject(target);
  var aLen = arguments.length;
  var index = 1;
  var getSymbols = gOPS.f;
  var isEnum = pIE.f;
  while (aLen > index) {
    var S = IObject(arguments[index++]);
    var keys = getSymbols ? getKeys(S).concat(getSymbols(S)) : getKeys(S);
    var length = keys.length;
    var j = 0;
    var key;
    while (length > j) {
      key = keys[j++];
      if (!DESCRIPTORS || isEnum.call(S, key)) T[key] = S[key];
    }
  }
  return T;
} : $assign;

/***/ }),

/***/ 4275:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

// 19.1.2.2 / 15.2.3.5 Object.create(O [, Properties])
var anObject = __webpack_require__(6154);
var dPs = __webpack_require__(6447);
var enumBugKeys = __webpack_require__(6921);
var IE_PROTO = __webpack_require__(8662)('IE_PROTO');
var Empty = function Empty() {/* empty */};
var PROTOTYPE = 'prototype';

// Create object with fake `null` prototype: use iframe Object with cleared prototype
var _createDict = function createDict() {
  // Thrash, waste and sodomy: IE GC bug
  var iframe = __webpack_require__(2241)('iframe');
  var i = enumBugKeys.length;
  var lt = '<';
  var gt = '>';
  var iframeDocument;
  iframe.style.display = 'none';
  (__webpack_require__(1225).appendChild)(iframe);
  iframe.src = 'javascript:'; // eslint-disable-line no-script-url
  // createDict = iframe.contentWindow.Object;
  // html.removeChild(iframe);
  iframeDocument = iframe.contentWindow.document;
  iframeDocument.open();
  iframeDocument.write(lt + 'script' + gt + 'document.F=Object' + lt + '/script' + gt);
  iframeDocument.close();
  _createDict = iframeDocument.F;
  while (i--) delete _createDict[PROTOTYPE][enumBugKeys[i]];
  return _createDict();
};
module.exports = Object.create || function create(O, Properties) {
  var result;
  if (O !== null) {
    Empty[PROTOTYPE] = anObject(O);
    result = new Empty();
    Empty[PROTOTYPE] = null;
    // add "__proto__" for Object.getPrototypeOf polyfill
    result[IE_PROTO] = O;
  } else result = _createDict();
  return Properties === undefined ? result : dPs(result, Properties);
};

/***/ }),

/***/ 4835:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

var anObject = __webpack_require__(6154);
var IE8_DOM_DEFINE = __webpack_require__(5142);
var toPrimitive = __webpack_require__(8537);
var dP = Object.defineProperty;
exports.f = __webpack_require__(4926) ? Object.defineProperty : function defineProperty(O, P, Attributes) {
  anObject(O);
  P = toPrimitive(P, true);
  anObject(Attributes);
  if (IE8_DOM_DEFINE) try {
    return dP(O, P, Attributes);
  } catch (e) {/* empty */}
  if ('get' in Attributes || 'set' in Attributes) throw TypeError('Accessors not supported!');
  if ('value' in Attributes) O[P] = Attributes.value;
  return O;
};

/***/ }),

/***/ 6447:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var dP = __webpack_require__(4835);
var anObject = __webpack_require__(6154);
var getKeys = __webpack_require__(9924);
module.exports = __webpack_require__(4926) ? Object.defineProperties : function defineProperties(O, Properties) {
  anObject(O);
  var keys = getKeys(Properties);
  var length = keys.length;
  var i = 0;
  var P;
  while (length > i) dP.f(O, P = keys[i++], Properties[P]);
  return O;
};

/***/ }),

/***/ 8249:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {




// Forced replacement prototype accessors methods
module.exports = __webpack_require__(4219) || !__webpack_require__(5810)(function () {
  var K = Math.random();
  // In FF throws only define methods
  // eslint-disable-next-line no-undef, no-useless-call
  __defineSetter__.call(null, K, function () {/* empty */});
  delete __webpack_require__(7381)[K];
});

/***/ }),

/***/ 3299:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

var pIE = __webpack_require__(4616);
var createDesc = __webpack_require__(6256);
var toIObject = __webpack_require__(8499);
var toPrimitive = __webpack_require__(8537);
var has = __webpack_require__(5389);
var IE8_DOM_DEFINE = __webpack_require__(5142);
var gOPD = Object.getOwnPropertyDescriptor;
exports.f = __webpack_require__(4926) ? gOPD : function getOwnPropertyDescriptor(O, P) {
  O = toIObject(O);
  P = toPrimitive(P, true);
  if (IE8_DOM_DEFINE) try {
    return gOPD(O, P);
  } catch (e) {/* empty */}
  if (has(O, P)) return createDesc(!pIE.f.call(O, P), O[P]);
};

/***/ }),

/***/ 3136:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
// fallback for IE11 buggy Object.getOwnPropertyNames with iframe and window
var toIObject = __webpack_require__(8499);
var gOPN = (__webpack_require__(2982).f);
var toString = {}.toString;
var windowNames = (typeof window === "undefined" ? "undefined" : _typeof(window)) == 'object' && window && Object.getOwnPropertyNames ? Object.getOwnPropertyNames(window) : [];
var getWindowNames = function getWindowNames(it) {
  try {
    return gOPN(it);
  } catch (e) {
    return windowNames.slice();
  }
};
module.exports.f = function getOwnPropertyNames(it) {
  return windowNames && toString.call(it) == '[object Window]' ? getWindowNames(it) : gOPN(toIObject(it));
};

/***/ }),

/***/ 2982:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

// 19.1.2.7 / 15.2.3.4 Object.getOwnPropertyNames(O)
var $keys = __webpack_require__(7960);
var hiddenKeys = (__webpack_require__(6921).concat)('length', 'prototype');
exports.f = Object.getOwnPropertyNames || function getOwnPropertyNames(O) {
  return $keys(O, hiddenKeys);
};

/***/ }),

/***/ 5421:
/***/ ((__unused_webpack_module, exports) => {

exports.f = Object.getOwnPropertySymbols;

/***/ }),

/***/ 4153:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

// 19.1.2.9 / 15.2.3.2 Object.getPrototypeOf(O)
var has = __webpack_require__(5389);
var toObject = __webpack_require__(2515);
var IE_PROTO = __webpack_require__(8662)('IE_PROTO');
var ObjectProto = Object.prototype;
module.exports = Object.getPrototypeOf || function (O) {
  O = toObject(O);
  if (has(O, IE_PROTO)) return O[IE_PROTO];
  if (typeof O.constructor == 'function' && O instanceof O.constructor) {
    return O.constructor.prototype;
  }
  return O instanceof Object ? ObjectProto : null;
};

/***/ }),

/***/ 7960:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var has = __webpack_require__(5389);
var toIObject = __webpack_require__(8499);
var arrayIndexOf = __webpack_require__(4687)(false);
var IE_PROTO = __webpack_require__(8662)('IE_PROTO');
module.exports = function (object, names) {
  var O = toIObject(object);
  var i = 0;
  var result = [];
  var key;
  for (key in O) if (key != IE_PROTO) has(O, key) && result.push(key);
  // Don't enum bug & hidden keys
  while (names.length > i) if (has(O, key = names[i++])) {
    ~arrayIndexOf(result, key) || result.push(key);
  }
  return result;
};

/***/ }),

/***/ 9924:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

// 19.1.2.14 / 15.2.3.14 Object.keys(O)
var $keys = __webpack_require__(7960);
var enumBugKeys = __webpack_require__(6921);
module.exports = Object.keys || function keys(O) {
  return $keys(O, enumBugKeys);
};

/***/ }),

/***/ 4616:
/***/ ((__unused_webpack_module, exports) => {

exports.f = {}.propertyIsEnumerable;

/***/ }),

/***/ 4057:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

// most Object methods by ES6 should accept primitives
var $export = __webpack_require__(5913);
var core = __webpack_require__(8544);
var fails = __webpack_require__(5810);
module.exports = function (KEY, exec) {
  var fn = (core.Object || {})[KEY] || Object[KEY];
  var exp = {};
  exp[KEY] = exec(fn);
  $export($export.S + $export.F * fails(function () {
    fn(1);
  }), 'Object', exp);
};

/***/ }),

/***/ 8941:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var DESCRIPTORS = __webpack_require__(4926);
var getKeys = __webpack_require__(9924);
var toIObject = __webpack_require__(8499);
var isEnum = (__webpack_require__(4616).f);
module.exports = function (isEntries) {
  return function (it) {
    var O = toIObject(it);
    var keys = getKeys(O);
    var length = keys.length;
    var i = 0;
    var result = [];
    var key;
    while (length > i) {
      key = keys[i++];
      if (!DESCRIPTORS || isEnum.call(O, key)) {
        result.push(isEntries ? [key, O[key]] : O[key]);
      }
    }
    return result;
  };
};

/***/ }),

/***/ 2600:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

// all object keys, includes non-enumerable and symbols
var gOPN = __webpack_require__(2982);
var gOPS = __webpack_require__(5421);
var anObject = __webpack_require__(6154);
var Reflect = (__webpack_require__(7381).Reflect);
module.exports = Reflect && Reflect.ownKeys || function ownKeys(it) {
  var keys = gOPN.f(anObject(it));
  var getSymbols = gOPS.f;
  return getSymbols ? keys.concat(getSymbols(it)) : keys;
};

/***/ }),

/***/ 5031:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var $parseFloat = (__webpack_require__(7381).parseFloat);
var $trim = (__webpack_require__(618).trim);
module.exports = 1 / $parseFloat(__webpack_require__(3596) + '-0') !== -Infinity ? function parseFloat(str) {
  var string = $trim(String(str), 3);
  var result = $parseFloat(string);
  return result === 0 && string.charAt(0) == '-' ? -0 : result;
} : $parseFloat;

/***/ }),

/***/ 6971:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var $parseInt = (__webpack_require__(7381).parseInt);
var $trim = (__webpack_require__(618).trim);
var ws = __webpack_require__(3596);
var hex = /^[-+]?0[xX]/;
module.exports = $parseInt(ws + '08') !== 8 || $parseInt(ws + '0x16') !== 22 ? function parseInt(str, radix) {
  var string = $trim(String(str), 3);
  return $parseInt(string, radix >>> 0 || (hex.test(string) ? 16 : 10));
} : $parseInt;

/***/ }),

/***/ 8228:
/***/ ((module) => {

module.exports = function (exec) {
  try {
    return {
      e: false,
      v: exec()
    };
  } catch (e) {
    return {
      e: true,
      v: e
    };
  }
};

/***/ }),

/***/ 3507:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var anObject = __webpack_require__(6154);
var isObject = __webpack_require__(7156);
var newPromiseCapability = __webpack_require__(4086);
module.exports = function (C, x) {
  anObject(C);
  if (isObject(x) && x.constructor === C) return x;
  var promiseCapability = newPromiseCapability.f(C);
  var resolve = promiseCapability.resolve;
  resolve(x);
  return promiseCapability.promise;
};

/***/ }),

/***/ 6256:
/***/ ((module) => {

module.exports = function (bitmap, value) {
  return {
    enumerable: !(bitmap & 1),
    configurable: !(bitmap & 2),
    writable: !(bitmap & 4),
    value: value
  };
};

/***/ }),

/***/ 7228:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var redefine = __webpack_require__(7278);
module.exports = function (target, src, safe) {
  for (var key in src) redefine(target, key, src[key], safe);
  return target;
};

/***/ }),

/***/ 7278:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var global = __webpack_require__(7381);
var hide = __webpack_require__(8012);
var has = __webpack_require__(5389);
var SRC = __webpack_require__(7936)('src');
var $toString = __webpack_require__(1174);
var TO_STRING = 'toString';
var TPL = ('' + $toString).split(TO_STRING);
(__webpack_require__(8544).inspectSource) = function (it) {
  return $toString.call(it);
};
(module.exports = function (O, key, val, safe) {
  var isFunction = typeof val == 'function';
  if (isFunction) has(val, 'name') || hide(val, 'name', key);
  if (O[key] === val) return;
  if (isFunction) has(val, SRC) || hide(val, SRC, O[key] ? '' + O[key] : TPL.join(String(key)));
  if (O === global) {
    O[key] = val;
  } else if (!safe) {
    delete O[key];
    hide(O, key, val);
  } else if (O[key]) {
    O[key] = val;
  } else {
    hide(O, key, val);
  }
  // add fake Function#toString for correct work wrapped methods / constructors with methods like LoDash isNative
})(Function.prototype, TO_STRING, function toString() {
  return typeof this == 'function' && this[SRC] || $toString.call(this);
});

/***/ }),

/***/ 4585:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {




function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
var classof = __webpack_require__(2858);
var builtinExec = RegExp.prototype.exec;

// `RegExpExec` abstract operation
// https://tc39.github.io/ecma262/#sec-regexpexec
module.exports = function (R, S) {
  var exec = R.exec;
  if (typeof exec === 'function') {
    var result = exec.call(R, S);
    if (_typeof(result) !== 'object') {
      throw new TypeError('RegExp exec method returned something other than an Object or null');
    }
    return result;
  }
  if (classof(R) !== 'RegExp') {
    throw new TypeError('RegExp#exec called on incompatible receiver');
  }
  return builtinExec.call(R, S);
};

/***/ }),

/***/ 6997:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {




var regexpFlags = __webpack_require__(2188);
var nativeExec = RegExp.prototype.exec;
// This always refers to the native implementation, because the
// String#replace polyfill uses ./fix-regexp-well-known-symbol-logic.js,
// which loads this file before patching the method.
var nativeReplace = String.prototype.replace;
var patchedExec = nativeExec;
var LAST_INDEX = 'lastIndex';
var UPDATES_LAST_INDEX_WRONG = function () {
  var re1 = /a/,
    re2 = /b*/g;
  nativeExec.call(re1, 'a');
  nativeExec.call(re2, 'a');
  return re1[LAST_INDEX] !== 0 || re2[LAST_INDEX] !== 0;
}();

// nonparticipating capturing group, copied from es5-shim's String#split patch.
var NPCG_INCLUDED = /()??/.exec('')[1] !== undefined;
var PATCH = UPDATES_LAST_INDEX_WRONG || NPCG_INCLUDED;
if (PATCH) {
  patchedExec = function exec(str) {
    var re = this;
    var lastIndex, reCopy, match, i;
    if (NPCG_INCLUDED) {
      reCopy = new RegExp('^' + re.source + '$(?!\\s)', regexpFlags.call(re));
    }
    if (UPDATES_LAST_INDEX_WRONG) lastIndex = re[LAST_INDEX];
    match = nativeExec.call(re, str);
    if (UPDATES_LAST_INDEX_WRONG && match) {
      re[LAST_INDEX] = re.global ? match.index + match[0].length : lastIndex;
    }
    if (NPCG_INCLUDED && match && match.length > 1) {
      // Fix browsers whose `exec` methods don't consistently return `undefined`
      // for NPCG, like IE8. NOTE: This doesn' work for /(.?)?/
      // eslint-disable-next-line no-loop-func
      nativeReplace.call(match[0], reCopy, function () {
        for (i = 1; i < arguments.length - 2; i++) {
          if (arguments[i] === undefined) match[i] = undefined;
        }
      });
    }
    return match;
  };
}
module.exports = patchedExec;

/***/ }),

/***/ 6813:
/***/ ((module) => {

module.exports = function (regExp, replace) {
  var replacer = replace === Object(replace) ? function (part) {
    return replace[part];
  } : replace;
  return function (it) {
    return String(it).replace(regExp, replacer);
  };
};

/***/ }),

/***/ 4261:
/***/ ((module) => {

// 7.2.9 SameValue(x, y)
module.exports = Object.is || function is(x, y) {
  // eslint-disable-next-line no-self-compare
  return x === y ? x !== 0 || 1 / x === 1 / y : x != x && y != y;
};

/***/ }),

/***/ 7598:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {




// https://tc39.github.io/proposal-setmap-offrom/
var $export = __webpack_require__(5913);
var aFunction = __webpack_require__(6819);
var ctx = __webpack_require__(566);
var forOf = __webpack_require__(2734);
module.exports = function (COLLECTION) {
  $export($export.S, COLLECTION, {
    from: function from(source /* , mapFn, thisArg */) {
      var mapFn = arguments[1];
      var mapping, A, n, cb;
      aFunction(this);
      mapping = mapFn !== undefined;
      if (mapping) aFunction(mapFn);
      if (source == undefined) return new this();
      A = [];
      if (mapping) {
        n = 0;
        cb = ctx(mapFn, arguments[2], 2);
        forOf(source, false, function (nextItem) {
          A.push(cb(nextItem, n++));
        });
      } else {
        forOf(source, false, A.push, A);
      }
      return new this(A);
    }
  });
};

/***/ }),

/***/ 5329:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {




// https://tc39.github.io/proposal-setmap-offrom/
var $export = __webpack_require__(5913);
module.exports = function (COLLECTION) {
  $export($export.S, COLLECTION, {
    of: function of() {
      var length = arguments.length;
      var A = new Array(length);
      while (length--) A[length] = arguments[length];
      return new this(A);
    }
  });
};

/***/ }),

/***/ 6931:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

// Works with __proto__ only. Old v8 can't work with null proto objects.
/* eslint-disable no-proto */
var isObject = __webpack_require__(7156);
var anObject = __webpack_require__(6154);
var check = function check(O, proto) {
  anObject(O);
  if (!isObject(proto) && proto !== null) throw TypeError(proto + ": can't set as prototype!");
};
module.exports = {
  set: Object.setPrototypeOf || ('__proto__' in {} ?
  // eslint-disable-line
  function (test, buggy, set) {
    try {
      set = __webpack_require__(566)(Function.call, (__webpack_require__(3299).f)(Object.prototype, '__proto__').set, 2);
      set(test, []);
      buggy = !(test instanceof Array);
    } catch (e) {
      buggy = true;
    }
    return function setPrototypeOf(O, proto) {
      check(O, proto);
      if (buggy) O.__proto__ = proto;else set(O, proto);
      return O;
    };
  }({}, false) : undefined),
  check: check
};

/***/ }),

/***/ 4798:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {




var global = __webpack_require__(7381);
var dP = __webpack_require__(4835);
var DESCRIPTORS = __webpack_require__(4926);
var SPECIES = __webpack_require__(3336)('species');
module.exports = function (KEY) {
  var C = global[KEY];
  if (DESCRIPTORS && C && !C[SPECIES]) dP.f(C, SPECIES, {
    configurable: true,
    get: function get() {
      return this;
    }
  });
};

/***/ }),

/***/ 8094:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var def = (__webpack_require__(4835).f);
var has = __webpack_require__(5389);
var TAG = __webpack_require__(3336)('toStringTag');
module.exports = function (it, tag, stat) {
  if (it && !has(it = stat ? it : it.prototype, TAG)) def(it, TAG, {
    configurable: true,
    value: tag
  });
};

/***/ }),

/***/ 8662:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var shared = __webpack_require__(3192)('keys');
var uid = __webpack_require__(7936);
module.exports = function (key) {
  return shared[key] || (shared[key] = uid(key));
};

/***/ }),

/***/ 3192:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var core = __webpack_require__(8544);
var global = __webpack_require__(7381);
var SHARED = '__core-js_shared__';
var store = global[SHARED] || (global[SHARED] = {});
(module.exports = function (key, value) {
  return store[key] || (store[key] = value !== undefined ? value : {});
})('versions', []).push({
  version: core.version,
  mode: __webpack_require__(4219) ? 'pure' : 'global',
  copyright: '© 2020 Denis Pushkarev (zloirock.ru)'
});

/***/ }),

/***/ 2035:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

// 7.3.20 SpeciesConstructor(O, defaultConstructor)
var anObject = __webpack_require__(6154);
var aFunction = __webpack_require__(6819);
var SPECIES = __webpack_require__(3336)('species');
module.exports = function (O, D) {
  var C = anObject(O).constructor;
  var S;
  return C === undefined || (S = anObject(C)[SPECIES]) == undefined ? D : aFunction(S);
};

/***/ }),

/***/ 1411:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {




var fails = __webpack_require__(5810);
module.exports = function (method, arg) {
  return !!method && fails(function () {
    // eslint-disable-next-line no-useless-call
    arg ? method.call(null, function () {/* empty */}, 1) : method.call(null);
  });
};

/***/ }),

/***/ 3593:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var toInteger = __webpack_require__(3230);
var defined = __webpack_require__(408);
// true  -> String#at
// false -> String#codePointAt
module.exports = function (TO_STRING) {
  return function (that, pos) {
    var s = String(defined(that));
    var i = toInteger(pos);
    var l = s.length;
    var a, b;
    if (i < 0 || i >= l) return TO_STRING ? '' : undefined;
    a = s.charCodeAt(i);
    return a < 0xd800 || a > 0xdbff || i + 1 === l || (b = s.charCodeAt(i + 1)) < 0xdc00 || b > 0xdfff ? TO_STRING ? s.charAt(i) : a : TO_STRING ? s.slice(i, i + 2) : (a - 0xd800 << 10) + (b - 0xdc00) + 0x10000;
  };
};

/***/ }),

/***/ 2376:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

// helper for String#{startsWith, endsWith, includes}
var isRegExp = __webpack_require__(1993);
var defined = __webpack_require__(408);
module.exports = function (that, searchString, NAME) {
  if (isRegExp(searchString)) throw TypeError('String#' + NAME + " doesn't accept regex!");
  return String(defined(that));
};

/***/ }),

/***/ 9927:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var $export = __webpack_require__(5913);
var fails = __webpack_require__(5810);
var defined = __webpack_require__(408);
var quot = /"/g;
// B.2.3.2.1 CreateHTML(string, tag, attribute, value)
var createHTML = function createHTML(string, tag, attribute, value) {
  var S = String(defined(string));
  var p1 = '<' + tag;
  if (attribute !== '') p1 += ' ' + attribute + '="' + String(value).replace(quot, '&quot;') + '"';
  return p1 + '>' + S + '</' + tag + '>';
};
module.exports = function (NAME, exec) {
  var O = {};
  O[NAME] = exec(createHTML);
  $export($export.P + $export.F * fails(function () {
    var test = ''[NAME]('"');
    return test !== test.toLowerCase() || test.split('"').length > 3;
  }), 'String', O);
};

/***/ }),

/***/ 1925:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

// https://github.com/tc39/proposal-string-pad-start-end
var toLength = __webpack_require__(8315);
var repeat = __webpack_require__(1924);
var defined = __webpack_require__(408);
module.exports = function (that, maxLength, fillString, left) {
  var S = String(defined(that));
  var stringLength = S.length;
  var fillStr = fillString === undefined ? ' ' : String(fillString);
  var intMaxLength = toLength(maxLength);
  if (intMaxLength <= stringLength || fillStr == '') return S;
  var fillLen = intMaxLength - stringLength;
  var stringFiller = repeat.call(fillStr, Math.ceil(fillLen / fillStr.length));
  if (stringFiller.length > fillLen) stringFiller = stringFiller.slice(0, fillLen);
  return left ? stringFiller + S : S + stringFiller;
};

/***/ }),

/***/ 1924:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {




var toInteger = __webpack_require__(3230);
var defined = __webpack_require__(408);
module.exports = function repeat(count) {
  var str = String(defined(this));
  var res = '';
  var n = toInteger(count);
  if (n < 0 || n == Infinity) throw RangeError("Count can't be negative");
  for (; n > 0; (n >>>= 1) && (str += str)) if (n & 1) res += str;
  return res;
};

/***/ }),

/***/ 618:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var $export = __webpack_require__(5913);
var defined = __webpack_require__(408);
var fails = __webpack_require__(5810);
var spaces = __webpack_require__(3596);
var space = '[' + spaces + ']';
var non = "\u200B\x85";
var ltrim = RegExp('^' + space + space + '*');
var rtrim = RegExp(space + space + '*$');
var exporter = function exporter(KEY, exec, ALIAS) {
  var exp = {};
  var FORCE = fails(function () {
    return !!spaces[KEY]() || non[KEY]() != non;
  });
  var fn = exp[KEY] = FORCE ? exec(trim) : spaces[KEY];
  if (ALIAS) exp[ALIAS] = fn;
  $export($export.P + $export.F * FORCE, 'String', exp);
};

// 1 -> String#trimLeft
// 2 -> String#trimRight
// 3 -> String#trim
var trim = exporter.trim = function (string, TYPE) {
  string = String(defined(string));
  if (TYPE & 1) string = string.replace(ltrim, '');
  if (TYPE & 2) string = string.replace(rtrim, '');
  return string;
};
module.exports = exporter;

/***/ }),

/***/ 3596:
/***/ ((module) => {

module.exports = "\t\n\x0B\f\r \xA0\u1680\u180E\u2000\u2001\u2002\u2003" + "\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\u2028\u2029\uFEFF";

/***/ }),

/***/ 8220:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var ctx = __webpack_require__(566);
var invoke = __webpack_require__(2765);
var html = __webpack_require__(1225);
var cel = __webpack_require__(2241);
var global = __webpack_require__(7381);
var process = global.process;
var setTask = global.setImmediate;
var clearTask = global.clearImmediate;
var MessageChannel = global.MessageChannel;
var Dispatch = global.Dispatch;
var counter = 0;
var queue = {};
var ONREADYSTATECHANGE = 'onreadystatechange';
var defer, channel, port;
var run = function run() {
  var id = +this;
  // eslint-disable-next-line no-prototype-builtins
  if (queue.hasOwnProperty(id)) {
    var fn = queue[id];
    delete queue[id];
    fn();
  }
};
var listener = function listener(event) {
  run.call(event.data);
};
// Node.js 0.9+ & IE10+ has setImmediate, otherwise:
if (!setTask || !clearTask) {
  setTask = function setImmediate(fn) {
    var args = [];
    var i = 1;
    while (arguments.length > i) args.push(arguments[i++]);
    queue[++counter] = function () {
      // eslint-disable-next-line no-new-func
      invoke(typeof fn == 'function' ? fn : Function(fn), args);
    };
    defer(counter);
    return counter;
  };
  clearTask = function clearImmediate(id) {
    delete queue[id];
  };
  // Node.js 0.8-
  if (__webpack_require__(3679)(process) == 'process') {
    defer = function defer(id) {
      process.nextTick(ctx(run, id, 1));
    };
    // Sphere (JS game engine) Dispatch API
  } else if (Dispatch && Dispatch.now) {
    defer = function defer(id) {
      Dispatch.now(ctx(run, id, 1));
    };
    // Browsers with MessageChannel, includes WebWorkers
  } else if (MessageChannel) {
    channel = new MessageChannel();
    port = channel.port2;
    channel.port1.onmessage = listener;
    defer = ctx(port.postMessage, port, 1);
    // Browsers with postMessage, skip WebWorkers
    // IE8 has postMessage, but it's sync & typeof its postMessage is 'object'
  } else if (global.addEventListener && typeof postMessage == 'function' && !global.importScripts) {
    defer = function defer(id) {
      global.postMessage(id + '', '*');
    };
    global.addEventListener('message', listener, false);
    // IE8-
  } else if (ONREADYSTATECHANGE in cel('script')) {
    defer = function defer(id) {
      html.appendChild(cel('script'))[ONREADYSTATECHANGE] = function () {
        html.removeChild(this);
        run.call(id);
      };
    };
    // Rest old browsers
  } else {
    defer = function defer(id) {
      setTimeout(ctx(run, id, 1), 0);
    };
  }
}
module.exports = {
  set: setTask,
  clear: clearTask
};

/***/ }),

/***/ 6241:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var toInteger = __webpack_require__(3230);
var max = Math.max;
var min = Math.min;
module.exports = function (index, length) {
  index = toInteger(index);
  return index < 0 ? max(index + length, 0) : min(index, length);
};

/***/ }),

/***/ 3472:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

// https://tc39.github.io/ecma262/#sec-toindex
var toInteger = __webpack_require__(3230);
var toLength = __webpack_require__(8315);
module.exports = function (it) {
  if (it === undefined) return 0;
  var number = toInteger(it);
  var length = toLength(number);
  if (number !== length) throw RangeError('Wrong length!');
  return length;
};

/***/ }),

/***/ 3230:
/***/ ((module) => {

// 7.1.4 ToInteger
var ceil = Math.ceil;
var floor = Math.floor;
module.exports = function (it) {
  return isNaN(it = +it) ? 0 : (it > 0 ? floor : ceil)(it);
};

/***/ }),

/***/ 8499:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

// to indexed object, toObject with fallback for non-array-like ES3 strings
var IObject = __webpack_require__(331);
var defined = __webpack_require__(408);
module.exports = function (it) {
  return IObject(defined(it));
};

/***/ }),

/***/ 8315:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

// 7.1.15 ToLength
var toInteger = __webpack_require__(3230);
var min = Math.min;
module.exports = function (it) {
  return it > 0 ? min(toInteger(it), 0x1fffffffffffff) : 0; // pow(2, 53) - 1 == 9007199254740991
};

/***/ }),

/***/ 2515:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

// 7.1.13 ToObject(argument)
var defined = __webpack_require__(408);
module.exports = function (it) {
  return Object(defined(it));
};

/***/ }),

/***/ 8537:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

// 7.1.1 ToPrimitive(input [, PreferredType])
var isObject = __webpack_require__(7156);
// instead of the ES6 spec version, we didn't implement @@toPrimitive case
// and the second argument - flag - preferred type is a string
module.exports = function (it, S) {
  if (!isObject(it)) return it;
  var fn, val;
  if (S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it))) return val;
  if (typeof (fn = it.valueOf) == 'function' && !isObject(val = fn.call(it))) return val;
  if (!S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it))) return val;
  throw TypeError("Can't convert object to primitive value");
};

/***/ }),

/***/ 431:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {




function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
if (__webpack_require__(4926)) {
  var LIBRARY = __webpack_require__(4219);
  var global = __webpack_require__(7381);
  var fails = __webpack_require__(5810);
  var $export = __webpack_require__(5913);
  var $typed = __webpack_require__(9161);
  var $buffer = __webpack_require__(9782);
  var ctx = __webpack_require__(566);
  var anInstance = __webpack_require__(2702);
  var propertyDesc = __webpack_require__(6256);
  var hide = __webpack_require__(8012);
  var redefineAll = __webpack_require__(7228);
  var toInteger = __webpack_require__(3230);
  var toLength = __webpack_require__(8315);
  var toIndex = __webpack_require__(3472);
  var toAbsoluteIndex = __webpack_require__(6241);
  var toPrimitive = __webpack_require__(8537);
  var has = __webpack_require__(5389);
  var classof = __webpack_require__(2858);
  var isObject = __webpack_require__(7156);
  var toObject = __webpack_require__(2515);
  var isArrayIter = __webpack_require__(7063);
  var create = __webpack_require__(4275);
  var getPrototypeOf = __webpack_require__(4153);
  var gOPN = (__webpack_require__(2982).f);
  var getIterFn = __webpack_require__(7637);
  var uid = __webpack_require__(7936);
  var wks = __webpack_require__(3336);
  var createArrayMethod = __webpack_require__(3970);
  var createArrayIncludes = __webpack_require__(4687);
  var speciesConstructor = __webpack_require__(2035);
  var ArrayIterators = __webpack_require__(4806);
  var Iterators = __webpack_require__(5301);
  var $iterDetect = __webpack_require__(5508);
  var setSpecies = __webpack_require__(4798);
  var arrayFill = __webpack_require__(1132);
  var arrayCopyWithin = __webpack_require__(2147);
  var $DP = __webpack_require__(4835);
  var $GOPD = __webpack_require__(3299);
  var dP = $DP.f;
  var gOPD = $GOPD.f;
  var RangeError = global.RangeError;
  var TypeError = global.TypeError;
  var Uint8Array = global.Uint8Array;
  var ARRAY_BUFFER = 'ArrayBuffer';
  var SHARED_BUFFER = 'Shared' + ARRAY_BUFFER;
  var BYTES_PER_ELEMENT = 'BYTES_PER_ELEMENT';
  var PROTOTYPE = 'prototype';
  var ArrayProto = Array[PROTOTYPE];
  var $ArrayBuffer = $buffer.ArrayBuffer;
  var $DataView = $buffer.DataView;
  var arrayForEach = createArrayMethod(0);
  var arrayFilter = createArrayMethod(2);
  var arraySome = createArrayMethod(3);
  var arrayEvery = createArrayMethod(4);
  var arrayFind = createArrayMethod(5);
  var arrayFindIndex = createArrayMethod(6);
  var arrayIncludes = createArrayIncludes(true);
  var arrayIndexOf = createArrayIncludes(false);
  var arrayValues = ArrayIterators.values;
  var arrayKeys = ArrayIterators.keys;
  var arrayEntries = ArrayIterators.entries;
  var arrayLastIndexOf = ArrayProto.lastIndexOf;
  var arrayReduce = ArrayProto.reduce;
  var arrayReduceRight = ArrayProto.reduceRight;
  var arrayJoin = ArrayProto.join;
  var arraySort = ArrayProto.sort;
  var arraySlice = ArrayProto.slice;
  var arrayToString = ArrayProto.toString;
  var arrayToLocaleString = ArrayProto.toLocaleString;
  var ITERATOR = wks('iterator');
  var TAG = wks('toStringTag');
  var TYPED_CONSTRUCTOR = uid('typed_constructor');
  var DEF_CONSTRUCTOR = uid('def_constructor');
  var ALL_CONSTRUCTORS = $typed.CONSTR;
  var TYPED_ARRAY = $typed.TYPED;
  var VIEW = $typed.VIEW;
  var WRONG_LENGTH = 'Wrong length!';
  var $map = createArrayMethod(1, function (O, length) {
    return allocate(speciesConstructor(O, O[DEF_CONSTRUCTOR]), length);
  });
  var LITTLE_ENDIAN = fails(function () {
    // eslint-disable-next-line no-undef
    return new Uint8Array(new Uint16Array([1]).buffer)[0] === 1;
  });
  var FORCED_SET = !!Uint8Array && !!Uint8Array[PROTOTYPE].set && fails(function () {
    new Uint8Array(1).set({});
  });
  var toOffset = function toOffset(it, BYTES) {
    var offset = toInteger(it);
    if (offset < 0 || offset % BYTES) throw RangeError('Wrong offset!');
    return offset;
  };
  var validate = function validate(it) {
    if (isObject(it) && TYPED_ARRAY in it) return it;
    throw TypeError(it + ' is not a typed array!');
  };
  var allocate = function allocate(C, length) {
    if (!(isObject(C) && TYPED_CONSTRUCTOR in C)) {
      throw TypeError('It is not a typed array constructor!');
    }
    return new C(length);
  };
  var speciesFromList = function speciesFromList(O, list) {
    return fromList(speciesConstructor(O, O[DEF_CONSTRUCTOR]), list);
  };
  var fromList = function fromList(C, list) {
    var index = 0;
    var length = list.length;
    var result = allocate(C, length);
    while (length > index) result[index] = list[index++];
    return result;
  };
  var addGetter = function addGetter(it, key, internal) {
    dP(it, key, {
      get: function get() {
        return this._d[internal];
      }
    });
  };
  var $from = function from(source /* , mapfn, thisArg */) {
    var O = toObject(source);
    var aLen = arguments.length;
    var mapfn = aLen > 1 ? arguments[1] : undefined;
    var mapping = mapfn !== undefined;
    var iterFn = getIterFn(O);
    var i, length, values, result, step, iterator;
    if (iterFn != undefined && !isArrayIter(iterFn)) {
      for (iterator = iterFn.call(O), values = [], i = 0; !(step = iterator.next()).done; i++) {
        values.push(step.value);
      }
      O = values;
    }
    if (mapping && aLen > 2) mapfn = ctx(mapfn, arguments[2], 2);
    for (i = 0, length = toLength(O.length), result = allocate(this, length); length > i; i++) {
      result[i] = mapping ? mapfn(O[i], i) : O[i];
    }
    return result;
  };
  var $of = function of( /* ...items */
  ) {
    var index = 0;
    var length = arguments.length;
    var result = allocate(this, length);
    while (length > index) result[index] = arguments[index++];
    return result;
  };

  // iOS Safari 6.x fails here
  var TO_LOCALE_BUG = !!Uint8Array && fails(function () {
    arrayToLocaleString.call(new Uint8Array(1));
  });
  var $toLocaleString = function toLocaleString() {
    return arrayToLocaleString.apply(TO_LOCALE_BUG ? arraySlice.call(validate(this)) : validate(this), arguments);
  };
  var proto = {
    copyWithin: function copyWithin(target, start /* , end */) {
      return arrayCopyWithin.call(validate(this), target, start, arguments.length > 2 ? arguments[2] : undefined);
    },
    every: function every(callbackfn /* , thisArg */) {
      return arrayEvery(validate(this), callbackfn, arguments.length > 1 ? arguments[1] : undefined);
    },
    fill: function fill(value /* , start, end */) {
      // eslint-disable-line no-unused-vars
      return arrayFill.apply(validate(this), arguments);
    },
    filter: function filter(callbackfn /* , thisArg */) {
      return speciesFromList(this, arrayFilter(validate(this), callbackfn, arguments.length > 1 ? arguments[1] : undefined));
    },
    find: function find(predicate /* , thisArg */) {
      return arrayFind(validate(this), predicate, arguments.length > 1 ? arguments[1] : undefined);
    },
    findIndex: function findIndex(predicate /* , thisArg */) {
      return arrayFindIndex(validate(this), predicate, arguments.length > 1 ? arguments[1] : undefined);
    },
    forEach: function forEach(callbackfn /* , thisArg */) {
      arrayForEach(validate(this), callbackfn, arguments.length > 1 ? arguments[1] : undefined);
    },
    indexOf: function indexOf(searchElement /* , fromIndex */) {
      return arrayIndexOf(validate(this), searchElement, arguments.length > 1 ? arguments[1] : undefined);
    },
    includes: function includes(searchElement /* , fromIndex */) {
      return arrayIncludes(validate(this), searchElement, arguments.length > 1 ? arguments[1] : undefined);
    },
    join: function join(separator) {
      // eslint-disable-line no-unused-vars
      return arrayJoin.apply(validate(this), arguments);
    },
    lastIndexOf: function lastIndexOf(searchElement /* , fromIndex */) {
      // eslint-disable-line no-unused-vars
      return arrayLastIndexOf.apply(validate(this), arguments);
    },
    map: function map(mapfn /* , thisArg */) {
      return $map(validate(this), mapfn, arguments.length > 1 ? arguments[1] : undefined);
    },
    reduce: function reduce(callbackfn /* , initialValue */) {
      // eslint-disable-line no-unused-vars
      return arrayReduce.apply(validate(this), arguments);
    },
    reduceRight: function reduceRight(callbackfn /* , initialValue */) {
      // eslint-disable-line no-unused-vars
      return arrayReduceRight.apply(validate(this), arguments);
    },
    reverse: function reverse() {
      var that = this;
      var length = validate(that).length;
      var middle = Math.floor(length / 2);
      var index = 0;
      var value;
      while (index < middle) {
        value = that[index];
        that[index++] = that[--length];
        that[length] = value;
      }
      return that;
    },
    some: function some(callbackfn /* , thisArg */) {
      return arraySome(validate(this), callbackfn, arguments.length > 1 ? arguments[1] : undefined);
    },
    sort: function sort(comparefn) {
      return arraySort.call(validate(this), comparefn);
    },
    subarray: function subarray(begin, end) {
      var O = validate(this);
      var length = O.length;
      var $begin = toAbsoluteIndex(begin, length);
      return new (speciesConstructor(O, O[DEF_CONSTRUCTOR]))(O.buffer, O.byteOffset + $begin * O.BYTES_PER_ELEMENT, toLength((end === undefined ? length : toAbsoluteIndex(end, length)) - $begin));
    }
  };
  var $slice = function slice(start, end) {
    return speciesFromList(this, arraySlice.call(validate(this), start, end));
  };
  var $set = function set(arrayLike /* , offset */) {
    validate(this);
    var offset = toOffset(arguments[1], 1);
    var length = this.length;
    var src = toObject(arrayLike);
    var len = toLength(src.length);
    var index = 0;
    if (len + offset > length) throw RangeError(WRONG_LENGTH);
    while (index < len) this[offset + index] = src[index++];
  };
  var $iterators = {
    entries: function entries() {
      return arrayEntries.call(validate(this));
    },
    keys: function keys() {
      return arrayKeys.call(validate(this));
    },
    values: function values() {
      return arrayValues.call(validate(this));
    }
  };
  var isTAIndex = function isTAIndex(target, key) {
    return isObject(target) && target[TYPED_ARRAY] && _typeof(key) != 'symbol' && key in target && String(+key) == String(key);
  };
  var $getDesc = function getOwnPropertyDescriptor(target, key) {
    return isTAIndex(target, key = toPrimitive(key, true)) ? propertyDesc(2, target[key]) : gOPD(target, key);
  };
  var $setDesc = function defineProperty(target, key, desc) {
    if (isTAIndex(target, key = toPrimitive(key, true)) && isObject(desc) && has(desc, 'value') && !has(desc, 'get') && !has(desc, 'set')
    // TODO: add validation descriptor w/o calling accessors
    && !desc.configurable && (!has(desc, 'writable') || desc.writable) && (!has(desc, 'enumerable') || desc.enumerable)) {
      target[key] = desc.value;
      return target;
    }
    return dP(target, key, desc);
  };
  if (!ALL_CONSTRUCTORS) {
    $GOPD.f = $getDesc;
    $DP.f = $setDesc;
  }
  $export($export.S + $export.F * !ALL_CONSTRUCTORS, 'Object', {
    getOwnPropertyDescriptor: $getDesc,
    defineProperty: $setDesc
  });
  if (fails(function () {
    arrayToString.call({});
  })) {
    arrayToString = arrayToLocaleString = function toString() {
      return arrayJoin.call(this);
    };
  }
  var $TypedArrayPrototype$ = redefineAll({}, proto);
  redefineAll($TypedArrayPrototype$, $iterators);
  hide($TypedArrayPrototype$, ITERATOR, $iterators.values);
  redefineAll($TypedArrayPrototype$, {
    slice: $slice,
    set: $set,
    constructor: function constructor() {/* noop */},
    toString: arrayToString,
    toLocaleString: $toLocaleString
  });
  addGetter($TypedArrayPrototype$, 'buffer', 'b');
  addGetter($TypedArrayPrototype$, 'byteOffset', 'o');
  addGetter($TypedArrayPrototype$, 'byteLength', 'l');
  addGetter($TypedArrayPrototype$, 'length', 'e');
  dP($TypedArrayPrototype$, TAG, {
    get: function get() {
      return this[TYPED_ARRAY];
    }
  });

  // eslint-disable-next-line max-statements
  module.exports = function (KEY, BYTES, wrapper, CLAMPED) {
    CLAMPED = !!CLAMPED;
    var NAME = KEY + (CLAMPED ? 'Clamped' : '') + 'Array';
    var GETTER = 'get' + KEY;
    var SETTER = 'set' + KEY;
    var TypedArray = global[NAME];
    var Base = TypedArray || {};
    var TAC = TypedArray && getPrototypeOf(TypedArray);
    var FORCED = !TypedArray || !$typed.ABV;
    var O = {};
    var TypedArrayPrototype = TypedArray && TypedArray[PROTOTYPE];
    var getter = function getter(that, index) {
      var data = that._d;
      return data.v[GETTER](index * BYTES + data.o, LITTLE_ENDIAN);
    };
    var setter = function setter(that, index, value) {
      var data = that._d;
      if (CLAMPED) value = (value = Math.round(value)) < 0 ? 0 : value > 0xff ? 0xff : value & 0xff;
      data.v[SETTER](index * BYTES + data.o, value, LITTLE_ENDIAN);
    };
    var addElement = function addElement(that, index) {
      dP(that, index, {
        get: function get() {
          return getter(this, index);
        },
        set: function set(value) {
          return setter(this, index, value);
        },
        enumerable: true
      });
    };
    if (FORCED) {
      TypedArray = wrapper(function (that, data, $offset, $length) {
        anInstance(that, TypedArray, NAME, '_d');
        var index = 0;
        var offset = 0;
        var buffer, byteLength, length, klass;
        if (!isObject(data)) {
          length = toIndex(data);
          byteLength = length * BYTES;
          buffer = new $ArrayBuffer(byteLength);
        } else if (data instanceof $ArrayBuffer || (klass = classof(data)) == ARRAY_BUFFER || klass == SHARED_BUFFER) {
          buffer = data;
          offset = toOffset($offset, BYTES);
          var $len = data.byteLength;
          if ($length === undefined) {
            if ($len % BYTES) throw RangeError(WRONG_LENGTH);
            byteLength = $len - offset;
            if (byteLength < 0) throw RangeError(WRONG_LENGTH);
          } else {
            byteLength = toLength($length) * BYTES;
            if (byteLength + offset > $len) throw RangeError(WRONG_LENGTH);
          }
          length = byteLength / BYTES;
        } else if (TYPED_ARRAY in data) {
          return fromList(TypedArray, data);
        } else {
          return $from.call(TypedArray, data);
        }
        hide(that, '_d', {
          b: buffer,
          o: offset,
          l: byteLength,
          e: length,
          v: new $DataView(buffer)
        });
        while (index < length) addElement(that, index++);
      });
      TypedArrayPrototype = TypedArray[PROTOTYPE] = create($TypedArrayPrototype$);
      hide(TypedArrayPrototype, 'constructor', TypedArray);
    } else if (!fails(function () {
      TypedArray(1);
    }) || !fails(function () {
      new TypedArray(-1); // eslint-disable-line no-new
    }) || !$iterDetect(function (iter) {
      new TypedArray(); // eslint-disable-line no-new
      new TypedArray(null); // eslint-disable-line no-new
      new TypedArray(1.5); // eslint-disable-line no-new
      new TypedArray(iter); // eslint-disable-line no-new
    }, true)) {
      TypedArray = wrapper(function (that, data, $offset, $length) {
        anInstance(that, TypedArray, NAME);
        var klass;
        // `ws` module bug, temporarily remove validation length for Uint8Array
        // https://github.com/websockets/ws/pull/645
        if (!isObject(data)) return new Base(toIndex(data));
        if (data instanceof $ArrayBuffer || (klass = classof(data)) == ARRAY_BUFFER || klass == SHARED_BUFFER) {
          return $length !== undefined ? new Base(data, toOffset($offset, BYTES), $length) : $offset !== undefined ? new Base(data, toOffset($offset, BYTES)) : new Base(data);
        }
        if (TYPED_ARRAY in data) return fromList(TypedArray, data);
        return $from.call(TypedArray, data);
      });
      arrayForEach(TAC !== Function.prototype ? gOPN(Base).concat(gOPN(TAC)) : gOPN(Base), function (key) {
        if (!(key in TypedArray)) hide(TypedArray, key, Base[key]);
      });
      TypedArray[PROTOTYPE] = TypedArrayPrototype;
      if (!LIBRARY) TypedArrayPrototype.constructor = TypedArray;
    }
    var $nativeIterator = TypedArrayPrototype[ITERATOR];
    var CORRECT_ITER_NAME = !!$nativeIterator && ($nativeIterator.name == 'values' || $nativeIterator.name == undefined);
    var $iterator = $iterators.values;
    hide(TypedArray, TYPED_CONSTRUCTOR, true);
    hide(TypedArrayPrototype, TYPED_ARRAY, NAME);
    hide(TypedArrayPrototype, VIEW, true);
    hide(TypedArrayPrototype, DEF_CONSTRUCTOR, TypedArray);
    if (CLAMPED ? new TypedArray(1)[TAG] != NAME : !(TAG in TypedArrayPrototype)) {
      dP(TypedArrayPrototype, TAG, {
        get: function get() {
          return NAME;
        }
      });
    }
    O[NAME] = TypedArray;
    $export($export.G + $export.W + $export.F * (TypedArray != Base), O);
    $export($export.S, NAME, {
      BYTES_PER_ELEMENT: BYTES
    });
    $export($export.S + $export.F * fails(function () {
      Base.of.call(TypedArray, 1);
    }), NAME, {
      from: $from,
      of: $of
    });
    if (!(BYTES_PER_ELEMENT in TypedArrayPrototype)) hide(TypedArrayPrototype, BYTES_PER_ELEMENT, BYTES);
    $export($export.P, NAME, proto);
    setSpecies(NAME);
    $export($export.P + $export.F * FORCED_SET, NAME, {
      set: $set
    });
    $export($export.P + $export.F * !CORRECT_ITER_NAME, NAME, $iterators);
    if (!LIBRARY && TypedArrayPrototype.toString != arrayToString) TypedArrayPrototype.toString = arrayToString;
    $export($export.P + $export.F * fails(function () {
      new TypedArray(1).slice();
    }), NAME, {
      slice: $slice
    });
    $export($export.P + $export.F * (fails(function () {
      return [1, 2].toLocaleString() != new TypedArray([1, 2]).toLocaleString();
    }) || !fails(function () {
      TypedArrayPrototype.toLocaleString.call([1, 2]);
    })), NAME, {
      toLocaleString: $toLocaleString
    });
    Iterators[NAME] = CORRECT_ITER_NAME ? $nativeIterator : $iterator;
    if (!LIBRARY && !CORRECT_ITER_NAME) hide(TypedArrayPrototype, ITERATOR, $iterator);
  };
} else module.exports = function () {/* empty */};

/***/ }),

/***/ 9782:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {




var global = __webpack_require__(7381);
var DESCRIPTORS = __webpack_require__(4926);
var LIBRARY = __webpack_require__(4219);
var $typed = __webpack_require__(9161);
var hide = __webpack_require__(8012);
var redefineAll = __webpack_require__(7228);
var fails = __webpack_require__(5810);
var anInstance = __webpack_require__(2702);
var toInteger = __webpack_require__(3230);
var toLength = __webpack_require__(8315);
var toIndex = __webpack_require__(3472);
var gOPN = (__webpack_require__(2982).f);
var dP = (__webpack_require__(4835).f);
var arrayFill = __webpack_require__(1132);
var setToStringTag = __webpack_require__(8094);
var ARRAY_BUFFER = 'ArrayBuffer';
var DATA_VIEW = 'DataView';
var PROTOTYPE = 'prototype';
var WRONG_LENGTH = 'Wrong length!';
var WRONG_INDEX = 'Wrong index!';
var $ArrayBuffer = global[ARRAY_BUFFER];
var $DataView = global[DATA_VIEW];
var Math = global.Math;
var RangeError = global.RangeError;
// eslint-disable-next-line no-shadow-restricted-names
var Infinity = global.Infinity;
var BaseBuffer = $ArrayBuffer;
var abs = Math.abs;
var pow = Math.pow;
var floor = Math.floor;
var log = Math.log;
var LN2 = Math.LN2;
var BUFFER = 'buffer';
var BYTE_LENGTH = 'byteLength';
var BYTE_OFFSET = 'byteOffset';
var $BUFFER = DESCRIPTORS ? '_b' : BUFFER;
var $LENGTH = DESCRIPTORS ? '_l' : BYTE_LENGTH;
var $OFFSET = DESCRIPTORS ? '_o' : BYTE_OFFSET;

// IEEE754 conversions based on https://github.com/feross/ieee754
function packIEEE754(value, mLen, nBytes) {
  var buffer = new Array(nBytes);
  var eLen = nBytes * 8 - mLen - 1;
  var eMax = (1 << eLen) - 1;
  var eBias = eMax >> 1;
  var rt = mLen === 23 ? pow(2, -24) - pow(2, -77) : 0;
  var i = 0;
  var s = value < 0 || value === 0 && 1 / value < 0 ? 1 : 0;
  var e, m, c;
  value = abs(value);
  // eslint-disable-next-line no-self-compare
  if (value != value || value === Infinity) {
    // eslint-disable-next-line no-self-compare
    m = value != value ? 1 : 0;
    e = eMax;
  } else {
    e = floor(log(value) / LN2);
    if (value * (c = pow(2, -e)) < 1) {
      e--;
      c *= 2;
    }
    if (e + eBias >= 1) {
      value += rt / c;
    } else {
      value += rt * pow(2, 1 - eBias);
    }
    if (value * c >= 2) {
      e++;
      c /= 2;
    }
    if (e + eBias >= eMax) {
      m = 0;
      e = eMax;
    } else if (e + eBias >= 1) {
      m = (value * c - 1) * pow(2, mLen);
      e = e + eBias;
    } else {
      m = value * pow(2, eBias - 1) * pow(2, mLen);
      e = 0;
    }
  }
  for (; mLen >= 8; buffer[i++] = m & 255, m /= 256, mLen -= 8);
  e = e << mLen | m;
  eLen += mLen;
  for (; eLen > 0; buffer[i++] = e & 255, e /= 256, eLen -= 8);
  buffer[--i] |= s * 128;
  return buffer;
}
function unpackIEEE754(buffer, mLen, nBytes) {
  var eLen = nBytes * 8 - mLen - 1;
  var eMax = (1 << eLen) - 1;
  var eBias = eMax >> 1;
  var nBits = eLen - 7;
  var i = nBytes - 1;
  var s = buffer[i--];
  var e = s & 127;
  var m;
  s >>= 7;
  for (; nBits > 0; e = e * 256 + buffer[i], i--, nBits -= 8);
  m = e & (1 << -nBits) - 1;
  e >>= -nBits;
  nBits += mLen;
  for (; nBits > 0; m = m * 256 + buffer[i], i--, nBits -= 8);
  if (e === 0) {
    e = 1 - eBias;
  } else if (e === eMax) {
    return m ? NaN : s ? -Infinity : Infinity;
  } else {
    m = m + pow(2, mLen);
    e = e - eBias;
  }
  return (s ? -1 : 1) * m * pow(2, e - mLen);
}
function unpackI32(bytes) {
  return bytes[3] << 24 | bytes[2] << 16 | bytes[1] << 8 | bytes[0];
}
function packI8(it) {
  return [it & 0xff];
}
function packI16(it) {
  return [it & 0xff, it >> 8 & 0xff];
}
function packI32(it) {
  return [it & 0xff, it >> 8 & 0xff, it >> 16 & 0xff, it >> 24 & 0xff];
}
function packF64(it) {
  return packIEEE754(it, 52, 8);
}
function packF32(it) {
  return packIEEE754(it, 23, 4);
}
function addGetter(C, key, internal) {
  dP(C[PROTOTYPE], key, {
    get: function get() {
      return this[internal];
    }
  });
}
function get(view, bytes, index, isLittleEndian) {
  var numIndex = +index;
  var intIndex = toIndex(numIndex);
  if (intIndex + bytes > view[$LENGTH]) throw RangeError(WRONG_INDEX);
  var store = view[$BUFFER]._b;
  var start = intIndex + view[$OFFSET];
  var pack = store.slice(start, start + bytes);
  return isLittleEndian ? pack : pack.reverse();
}
function set(view, bytes, index, conversion, value, isLittleEndian) {
  var numIndex = +index;
  var intIndex = toIndex(numIndex);
  if (intIndex + bytes > view[$LENGTH]) throw RangeError(WRONG_INDEX);
  var store = view[$BUFFER]._b;
  var start = intIndex + view[$OFFSET];
  var pack = conversion(+value);
  for (var i = 0; i < bytes; i++) store[start + i] = pack[isLittleEndian ? i : bytes - i - 1];
}
if (!$typed.ABV) {
  $ArrayBuffer = function ArrayBuffer(length) {
    anInstance(this, $ArrayBuffer, ARRAY_BUFFER);
    var byteLength = toIndex(length);
    this._b = arrayFill.call(new Array(byteLength), 0);
    this[$LENGTH] = byteLength;
  };
  $DataView = function DataView(buffer, byteOffset, byteLength) {
    anInstance(this, $DataView, DATA_VIEW);
    anInstance(buffer, $ArrayBuffer, DATA_VIEW);
    var bufferLength = buffer[$LENGTH];
    var offset = toInteger(byteOffset);
    if (offset < 0 || offset > bufferLength) throw RangeError('Wrong offset!');
    byteLength = byteLength === undefined ? bufferLength - offset : toLength(byteLength);
    if (offset + byteLength > bufferLength) throw RangeError(WRONG_LENGTH);
    this[$BUFFER] = buffer;
    this[$OFFSET] = offset;
    this[$LENGTH] = byteLength;
  };
  if (DESCRIPTORS) {
    addGetter($ArrayBuffer, BYTE_LENGTH, '_l');
    addGetter($DataView, BUFFER, '_b');
    addGetter($DataView, BYTE_LENGTH, '_l');
    addGetter($DataView, BYTE_OFFSET, '_o');
  }
  redefineAll($DataView[PROTOTYPE], {
    getInt8: function getInt8(byteOffset) {
      return get(this, 1, byteOffset)[0] << 24 >> 24;
    },
    getUint8: function getUint8(byteOffset) {
      return get(this, 1, byteOffset)[0];
    },
    getInt16: function getInt16(byteOffset /* , littleEndian */) {
      var bytes = get(this, 2, byteOffset, arguments[1]);
      return (bytes[1] << 8 | bytes[0]) << 16 >> 16;
    },
    getUint16: function getUint16(byteOffset /* , littleEndian */) {
      var bytes = get(this, 2, byteOffset, arguments[1]);
      return bytes[1] << 8 | bytes[0];
    },
    getInt32: function getInt32(byteOffset /* , littleEndian */) {
      return unpackI32(get(this, 4, byteOffset, arguments[1]));
    },
    getUint32: function getUint32(byteOffset /* , littleEndian */) {
      return unpackI32(get(this, 4, byteOffset, arguments[1])) >>> 0;
    },
    getFloat32: function getFloat32(byteOffset /* , littleEndian */) {
      return unpackIEEE754(get(this, 4, byteOffset, arguments[1]), 23, 4);
    },
    getFloat64: function getFloat64(byteOffset /* , littleEndian */) {
      return unpackIEEE754(get(this, 8, byteOffset, arguments[1]), 52, 8);
    },
    setInt8: function setInt8(byteOffset, value) {
      set(this, 1, byteOffset, packI8, value);
    },
    setUint8: function setUint8(byteOffset, value) {
      set(this, 1, byteOffset, packI8, value);
    },
    setInt16: function setInt16(byteOffset, value /* , littleEndian */) {
      set(this, 2, byteOffset, packI16, value, arguments[2]);
    },
    setUint16: function setUint16(byteOffset, value /* , littleEndian */) {
      set(this, 2, byteOffset, packI16, value, arguments[2]);
    },
    setInt32: function setInt32(byteOffset, value /* , littleEndian */) {
      set(this, 4, byteOffset, packI32, value, arguments[2]);
    },
    setUint32: function setUint32(byteOffset, value /* , littleEndian */) {
      set(this, 4, byteOffset, packI32, value, arguments[2]);
    },
    setFloat32: function setFloat32(byteOffset, value /* , littleEndian */) {
      set(this, 4, byteOffset, packF32, value, arguments[2]);
    },
    setFloat64: function setFloat64(byteOffset, value /* , littleEndian */) {
      set(this, 8, byteOffset, packF64, value, arguments[2]);
    }
  });
} else {
  if (!fails(function () {
    $ArrayBuffer(1);
  }) || !fails(function () {
    new $ArrayBuffer(-1); // eslint-disable-line no-new
  }) || fails(function () {
    new $ArrayBuffer(); // eslint-disable-line no-new
    new $ArrayBuffer(1.5); // eslint-disable-line no-new
    new $ArrayBuffer(NaN); // eslint-disable-line no-new
    return $ArrayBuffer.name != ARRAY_BUFFER;
  })) {
    $ArrayBuffer = function ArrayBuffer(length) {
      anInstance(this, $ArrayBuffer);
      return new BaseBuffer(toIndex(length));
    };
    var ArrayBufferProto = $ArrayBuffer[PROTOTYPE] = BaseBuffer[PROTOTYPE];
    for (var keys = gOPN(BaseBuffer), j = 0, key; keys.length > j;) {
      if (!((key = keys[j++]) in $ArrayBuffer)) hide($ArrayBuffer, key, BaseBuffer[key]);
    }
    if (!LIBRARY) ArrayBufferProto.constructor = $ArrayBuffer;
  }
  // iOS Safari 7.x bug
  var view = new $DataView(new $ArrayBuffer(2));
  var $setInt8 = $DataView[PROTOTYPE].setInt8;
  view.setInt8(0, 2147483648);
  view.setInt8(1, 2147483649);
  if (view.getInt8(0) || !view.getInt8(1)) redefineAll($DataView[PROTOTYPE], {
    setInt8: function setInt8(byteOffset, value) {
      $setInt8.call(this, byteOffset, value << 24 >> 24);
    },
    setUint8: function setUint8(byteOffset, value) {
      $setInt8.call(this, byteOffset, value << 24 >> 24);
    }
  }, true);
}
setToStringTag($ArrayBuffer, ARRAY_BUFFER);
setToStringTag($DataView, DATA_VIEW);
hide($DataView[PROTOTYPE], $typed.VIEW, true);
exports[ARRAY_BUFFER] = $ArrayBuffer;
exports[DATA_VIEW] = $DataView;

/***/ }),

/***/ 9161:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var global = __webpack_require__(7381);
var hide = __webpack_require__(8012);
var uid = __webpack_require__(7936);
var TYPED = uid('typed_array');
var VIEW = uid('view');
var ABV = !!(global.ArrayBuffer && global.DataView);
var CONSTR = ABV;
var i = 0;
var l = 9;
var Typed;
var TypedArrayConstructors = 'Int8Array,Uint8Array,Uint8ClampedArray,Int16Array,Uint16Array,Int32Array,Uint32Array,Float32Array,Float64Array'.split(',');
while (i < l) {
  if (Typed = global[TypedArrayConstructors[i++]]) {
    hide(Typed.prototype, TYPED, true);
    hide(Typed.prototype, VIEW, true);
  } else CONSTR = false;
}
module.exports = {
  ABV: ABV,
  CONSTR: CONSTR,
  TYPED: TYPED,
  VIEW: VIEW
};

/***/ }),

/***/ 7936:
/***/ ((module) => {

var id = 0;
var px = Math.random();
module.exports = function (key) {
  return 'Symbol('.concat(key === undefined ? '' : key, ')_', (++id + px).toString(36));
};

/***/ }),

/***/ 851:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var global = __webpack_require__(7381);
var navigator = global.navigator;
module.exports = navigator && navigator.userAgent || '';

/***/ }),

/***/ 8546:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var isObject = __webpack_require__(7156);
module.exports = function (it, TYPE) {
  if (!isObject(it) || it._t !== TYPE) throw TypeError('Incompatible receiver, ' + TYPE + ' required!');
  return it;
};

/***/ }),

/***/ 5721:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var global = __webpack_require__(7381);
var core = __webpack_require__(8544);
var LIBRARY = __webpack_require__(4219);
var wksExt = __webpack_require__(9078);
var defineProperty = (__webpack_require__(4835).f);
module.exports = function (name) {
  var $Symbol = core.Symbol || (core.Symbol = LIBRARY ? {} : global.Symbol || {});
  if (name.charAt(0) != '_' && !(name in $Symbol)) defineProperty($Symbol, name, {
    value: wksExt.f(name)
  });
};

/***/ }),

/***/ 9078:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

exports.f = __webpack_require__(3336);

/***/ }),

/***/ 3336:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var store = __webpack_require__(3192)('wks');
var uid = __webpack_require__(7936);
var _Symbol = (__webpack_require__(7381).Symbol);
var USE_SYMBOL = typeof _Symbol == 'function';
var $exports = module.exports = function (name) {
  return store[name] || (store[name] = USE_SYMBOL && _Symbol[name] || (USE_SYMBOL ? _Symbol : uid)('Symbol.' + name));
};
$exports.store = store;

/***/ }),

/***/ 7637:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var classof = __webpack_require__(2858);
var ITERATOR = __webpack_require__(3336)('iterator');
var Iterators = __webpack_require__(5301);
module.exports = (__webpack_require__(8544).getIteratorMethod) = function (it) {
  if (it != undefined) return it[ITERATOR] || it['@@iterator'] || Iterators[classof(it)];
};

/***/ }),

/***/ 9122:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// https://github.com/benjamingr/RexExp.escape
var $export = __webpack_require__(5913);
var $re = __webpack_require__(6813)(/[\\^$*+?.()|[\]{}]/g, '\\$&');
$export($export.S, 'RegExp', {
  escape: function escape(it) {
    return $re(it);
  }
});

/***/ }),

/***/ 4611:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 22.1.3.3 Array.prototype.copyWithin(target, start, end = this.length)
var $export = __webpack_require__(5913);
$export($export.P, 'Array', {
  copyWithin: __webpack_require__(2147)
});
__webpack_require__(4339)('copyWithin');

/***/ }),

/***/ 9892:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




var $export = __webpack_require__(5913);
var $every = __webpack_require__(3970)(4);
$export($export.P + $export.F * !__webpack_require__(1411)([].every, true), 'Array', {
  // 22.1.3.5 / 15.4.4.16 Array.prototype.every(callbackfn [, thisArg])
  every: function every(callbackfn /* , thisArg */) {
    return $every(this, callbackfn, arguments[1]);
  }
});

/***/ }),

/***/ 9217:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 22.1.3.6 Array.prototype.fill(value, start = 0, end = this.length)
var $export = __webpack_require__(5913);
$export($export.P, 'Array', {
  fill: __webpack_require__(1132)
});
__webpack_require__(4339)('fill');

/***/ }),

/***/ 9355:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




var $export = __webpack_require__(5913);
var $filter = __webpack_require__(3970)(2);
$export($export.P + $export.F * !__webpack_require__(1411)([].filter, true), 'Array', {
  // 22.1.3.7 / 15.4.4.20 Array.prototype.filter(callbackfn [, thisArg])
  filter: function filter(callbackfn /* , thisArg */) {
    return $filter(this, callbackfn, arguments[1]);
  }
});

/***/ }),

/***/ 109:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




// 22.1.3.9 Array.prototype.findIndex(predicate, thisArg = undefined)
var $export = __webpack_require__(5913);
var $find = __webpack_require__(3970)(6);
var KEY = 'findIndex';
var forced = true;
// Shouldn't skip holes
if (KEY in []) Array(1)[KEY](function () {
  forced = false;
});
$export($export.P + $export.F * forced, 'Array', {
  findIndex: function findIndex(callbackfn /* , that = undefined */) {
    return $find(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
  }
});
__webpack_require__(4339)(KEY);

/***/ }),

/***/ 4138:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




// 22.1.3.8 Array.prototype.find(predicate, thisArg = undefined)
var $export = __webpack_require__(5913);
var $find = __webpack_require__(3970)(5);
var KEY = 'find';
var forced = true;
// Shouldn't skip holes
if (KEY in []) Array(1)[KEY](function () {
  forced = false;
});
$export($export.P + $export.F * forced, 'Array', {
  find: function find(callbackfn /* , that = undefined */) {
    return $find(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
  }
});
__webpack_require__(4339)(KEY);

/***/ }),

/***/ 791:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




var $export = __webpack_require__(5913);
var $forEach = __webpack_require__(3970)(0);
var STRICT = __webpack_require__(1411)([].forEach, true);
$export($export.P + $export.F * !STRICT, 'Array', {
  // 22.1.3.10 / 15.4.4.18 Array.prototype.forEach(callbackfn [, thisArg])
  forEach: function forEach(callbackfn /* , thisArg */) {
    return $forEach(this, callbackfn, arguments[1]);
  }
});

/***/ }),

/***/ 8671:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




var ctx = __webpack_require__(566);
var $export = __webpack_require__(5913);
var toObject = __webpack_require__(2515);
var call = __webpack_require__(2471);
var isArrayIter = __webpack_require__(7063);
var toLength = __webpack_require__(8315);
var createProperty = __webpack_require__(1348);
var getIterFn = __webpack_require__(7637);
$export($export.S + $export.F * !__webpack_require__(5508)(function (iter) {
  Array.from(iter);
}), 'Array', {
  // 22.1.2.1 Array.from(arrayLike, mapfn = undefined, thisArg = undefined)
  from: function from(arrayLike /* , mapfn = undefined, thisArg = undefined */) {
    var O = toObject(arrayLike);
    var C = typeof this == 'function' ? this : Array;
    var aLen = arguments.length;
    var mapfn = aLen > 1 ? arguments[1] : undefined;
    var mapping = mapfn !== undefined;
    var index = 0;
    var iterFn = getIterFn(O);
    var length, result, step, iterator;
    if (mapping) mapfn = ctx(mapfn, aLen > 2 ? arguments[2] : undefined, 2);
    // if object isn't iterable or it's array with default iterator - use simple case
    if (iterFn != undefined && !(C == Array && isArrayIter(iterFn))) {
      for (iterator = iterFn.call(O), result = new C(); !(step = iterator.next()).done; index++) {
        createProperty(result, index, mapping ? call(iterator, mapfn, [step.value, index], true) : step.value);
      }
    } else {
      length = toLength(O.length);
      for (result = new C(length); length > index; index++) {
        createProperty(result, index, mapping ? mapfn(O[index], index) : O[index]);
      }
    }
    result.length = index;
    return result;
  }
});

/***/ }),

/***/ 4751:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




var $export = __webpack_require__(5913);
var $indexOf = __webpack_require__(4687)(false);
var $native = [].indexOf;
var NEGATIVE_ZERO = !!$native && 1 / [1].indexOf(1, -0) < 0;
$export($export.P + $export.F * (NEGATIVE_ZERO || !__webpack_require__(1411)($native)), 'Array', {
  // 22.1.3.11 / 15.4.4.14 Array.prototype.indexOf(searchElement [, fromIndex])
  indexOf: function indexOf(searchElement /* , fromIndex = 0 */) {
    return NEGATIVE_ZERO
    // convert -0 to +0
    ? $native.apply(this, arguments) || 0 : $indexOf(this, searchElement, arguments[1]);
  }
});

/***/ }),

/***/ 1621:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 22.1.2.2 / 15.4.3.2 Array.isArray(arg)
var $export = __webpack_require__(5913);
$export($export.S, 'Array', {
  isArray: __webpack_require__(1320)
});

/***/ }),

/***/ 4806:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {




var addToUnscopables = __webpack_require__(4339);
var step = __webpack_require__(7218);
var Iterators = __webpack_require__(5301);
var toIObject = __webpack_require__(8499);

// 22.1.3.4 Array.prototype.entries()
// 22.1.3.13 Array.prototype.keys()
// 22.1.3.29 Array.prototype.values()
// 22.1.3.30 Array.prototype[@@iterator]()
module.exports = __webpack_require__(4873)(Array, 'Array', function (iterated, kind) {
  this._t = toIObject(iterated); // target
  this._i = 0; // next index
  this._k = kind; // kind
  // 22.1.5.2.1 %ArrayIteratorPrototype%.next()
}, function () {
  var O = this._t;
  var kind = this._k;
  var index = this._i++;
  if (!O || index >= O.length) {
    this._t = undefined;
    return step(1);
  }
  if (kind == 'keys') return step(0, index);
  if (kind == 'values') return step(0, O[index]);
  return step(0, [index, O[index]]);
}, 'values');

// argumentsList[@@iterator] is %ArrayProto_values% (9.4.4.6, 9.4.4.7)
Iterators.Arguments = Iterators.Array;
addToUnscopables('keys');
addToUnscopables('values');
addToUnscopables('entries');

/***/ }),

/***/ 9437:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




// 22.1.3.13 Array.prototype.join(separator)
var $export = __webpack_require__(5913);
var toIObject = __webpack_require__(8499);
var arrayJoin = [].join;

// fallback for not array-like strings
$export($export.P + $export.F * (__webpack_require__(331) != Object || !__webpack_require__(1411)(arrayJoin)), 'Array', {
  join: function join(separator) {
    return arrayJoin.call(toIObject(this), separator === undefined ? ',' : separator);
  }
});

/***/ }),

/***/ 9822:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




var $export = __webpack_require__(5913);
var toIObject = __webpack_require__(8499);
var toInteger = __webpack_require__(3230);
var toLength = __webpack_require__(8315);
var $native = [].lastIndexOf;
var NEGATIVE_ZERO = !!$native && 1 / [1].lastIndexOf(1, -0) < 0;
$export($export.P + $export.F * (NEGATIVE_ZERO || !__webpack_require__(1411)($native)), 'Array', {
  // 22.1.3.14 / 15.4.4.15 Array.prototype.lastIndexOf(searchElement [, fromIndex])
  lastIndexOf: function lastIndexOf(searchElement /* , fromIndex = @[*-1] */) {
    // convert -0 to +0
    if (NEGATIVE_ZERO) return $native.apply(this, arguments) || 0;
    var O = toIObject(this);
    var length = toLength(O.length);
    var index = length - 1;
    if (arguments.length > 1) index = Math.min(index, toInteger(arguments[1]));
    if (index < 0) index = length + index;
    for (; index >= 0; index--) if (index in O) if (O[index] === searchElement) return index || 0;
    return -1;
  }
});

/***/ }),

/***/ 633:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




var $export = __webpack_require__(5913);
var $map = __webpack_require__(3970)(1);
$export($export.P + $export.F * !__webpack_require__(1411)([].map, true), 'Array', {
  // 22.1.3.15 / 15.4.4.19 Array.prototype.map(callbackfn [, thisArg])
  map: function map(callbackfn /* , thisArg */) {
    return $map(this, callbackfn, arguments[1]);
  }
});

/***/ }),

/***/ 6705:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




var $export = __webpack_require__(5913);
var createProperty = __webpack_require__(1348);

// WebKit Array.of isn't generic
$export($export.S + $export.F * __webpack_require__(5810)(function () {
  function F() {/* empty */}
  return !(Array.of.call(F) instanceof F);
}), 'Array', {
  // 22.1.2.3 Array.of( ...items)
  of: function of( /* ...args */
  ) {
    var index = 0;
    var aLen = arguments.length;
    var result = new (typeof this == 'function' ? this : Array)(aLen);
    while (aLen > index) createProperty(result, index, arguments[index++]);
    result.length = aLen;
    return result;
  }
});

/***/ }),

/***/ 8738:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




var $export = __webpack_require__(5913);
var $reduce = __webpack_require__(6419);
$export($export.P + $export.F * !__webpack_require__(1411)([].reduceRight, true), 'Array', {
  // 22.1.3.19 / 15.4.4.22 Array.prototype.reduceRight(callbackfn [, initialValue])
  reduceRight: function reduceRight(callbackfn /* , initialValue */) {
    return $reduce(this, callbackfn, arguments.length, arguments[1], true);
  }
});

/***/ }),

/***/ 9121:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




var $export = __webpack_require__(5913);
var $reduce = __webpack_require__(6419);
$export($export.P + $export.F * !__webpack_require__(1411)([].reduce, true), 'Array', {
  // 22.1.3.18 / 15.4.4.21 Array.prototype.reduce(callbackfn [, initialValue])
  reduce: function reduce(callbackfn /* , initialValue */) {
    return $reduce(this, callbackfn, arguments.length, arguments[1], false);
  }
});

/***/ }),

/***/ 7263:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




var $export = __webpack_require__(5913);
var html = __webpack_require__(1225);
var cof = __webpack_require__(3679);
var toAbsoluteIndex = __webpack_require__(6241);
var toLength = __webpack_require__(8315);
var arraySlice = [].slice;

// fallback for not array-like ES3 strings and DOM objects
$export($export.P + $export.F * __webpack_require__(5810)(function () {
  if (html) arraySlice.call(html);
}), 'Array', {
  slice: function slice(begin, end) {
    var len = toLength(this.length);
    var klass = cof(this);
    end = end === undefined ? len : end;
    if (klass == 'Array') return arraySlice.call(this, begin, end);
    var start = toAbsoluteIndex(begin, len);
    var upTo = toAbsoluteIndex(end, len);
    var size = toLength(upTo - start);
    var cloned = new Array(size);
    var i = 0;
    for (; i < size; i++) cloned[i] = klass == 'String' ? this.charAt(start + i) : this[start + i];
    return cloned;
  }
});

/***/ }),

/***/ 9253:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




var $export = __webpack_require__(5913);
var $some = __webpack_require__(3970)(3);
$export($export.P + $export.F * !__webpack_require__(1411)([].some, true), 'Array', {
  // 22.1.3.23 / 15.4.4.17 Array.prototype.some(callbackfn [, thisArg])
  some: function some(callbackfn /* , thisArg */) {
    return $some(this, callbackfn, arguments[1]);
  }
});

/***/ }),

/***/ 919:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




var $export = __webpack_require__(5913);
var aFunction = __webpack_require__(6819);
var toObject = __webpack_require__(2515);
var fails = __webpack_require__(5810);
var $sort = [].sort;
var test = [1, 2, 3];
$export($export.P + $export.F * (fails(function () {
  // IE8-
  test.sort(undefined);
}) || !fails(function () {
  // V8 bug
  test.sort(null);
  // Old WebKit
}) || !__webpack_require__(1411)($sort)), 'Array', {
  // 22.1.3.25 Array.prototype.sort(comparefn)
  sort: function sort(comparefn) {
    return comparefn === undefined ? $sort.call(toObject(this)) : $sort.call(toObject(this), aFunction(comparefn));
  }
});

/***/ }),

/***/ 3821:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

__webpack_require__(4798)('Array');

/***/ }),

/***/ 8384:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 20.3.3.1 / 15.9.4.4 Date.now()
var $export = __webpack_require__(5913);
$export($export.S, 'Date', {
  now: function now() {
    return new Date().getTime();
  }
});

/***/ }),

/***/ 9701:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 20.3.4.36 / 15.9.5.43 Date.prototype.toISOString()
var $export = __webpack_require__(5913);
var toISOString = __webpack_require__(2115);

// PhantomJS / old WebKit has a broken implementations
$export($export.P + $export.F * (Date.prototype.toISOString !== toISOString), 'Date', {
  toISOString: toISOString
});

/***/ }),

/***/ 2334:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




var $export = __webpack_require__(5913);
var toObject = __webpack_require__(2515);
var toPrimitive = __webpack_require__(8537);
$export($export.P + $export.F * __webpack_require__(5810)(function () {
  return new Date(NaN).toJSON() !== null || Date.prototype.toJSON.call({
    toISOString: function toISOString() {
      return 1;
    }
  }) !== 1;
}), 'Date', {
  // eslint-disable-next-line no-unused-vars
  toJSON: function toJSON(key) {
    var O = toObject(this);
    var pv = toPrimitive(O);
    return typeof pv == 'number' && !isFinite(pv) ? null : O.toISOString();
  }
});

/***/ }),

/***/ 3233:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

var TO_PRIMITIVE = __webpack_require__(3336)('toPrimitive');
var proto = Date.prototype;
if (!(TO_PRIMITIVE in proto)) __webpack_require__(8012)(proto, TO_PRIMITIVE, __webpack_require__(296));

/***/ }),

/***/ 1325:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

var DateProto = Date.prototype;
var INVALID_DATE = 'Invalid Date';
var TO_STRING = 'toString';
var $toString = DateProto[TO_STRING];
var getTime = DateProto.getTime;
if (new Date(NaN) + '' != INVALID_DATE) {
  __webpack_require__(7278)(DateProto, TO_STRING, function toString() {
    var value = getTime.call(this);
    // eslint-disable-next-line no-self-compare
    return value === value ? $toString.call(this) : INVALID_DATE;
  });
}

/***/ }),

/***/ 161:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 19.2.3.2 / 15.3.4.5 Function.prototype.bind(thisArg, args...)
var $export = __webpack_require__(5913);
$export($export.P, 'Function', {
  bind: __webpack_require__(8327)
});

/***/ }),

/***/ 15:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




var isObject = __webpack_require__(7156);
var getPrototypeOf = __webpack_require__(4153);
var HAS_INSTANCE = __webpack_require__(3336)('hasInstance');
var FunctionProto = Function.prototype;
// 19.2.3.6 Function.prototype[@@hasInstance](V)
if (!(HAS_INSTANCE in FunctionProto)) (__webpack_require__(4835).f)(FunctionProto, HAS_INSTANCE, {
  value: function value(O) {
    if (typeof this != 'function' || !isObject(O)) return false;
    if (!isObject(this.prototype)) return O instanceof this;
    // for environment w/o native `@@hasInstance` logic enough `instanceof`, but add this:
    while (O = getPrototypeOf(O)) if (this.prototype === O) return true;
    return false;
  }
});

/***/ }),

/***/ 6042:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

var dP = (__webpack_require__(4835).f);
var FProto = Function.prototype;
var nameRE = /^\s*function ([^ (]*)/;
var NAME = 'name';

// 19.2.4.2 name
NAME in FProto || __webpack_require__(4926) && dP(FProto, NAME, {
  configurable: true,
  get: function get() {
    try {
      return ('' + this).match(nameRE)[1];
    } catch (e) {
      return '';
    }
  }
});

/***/ }),

/***/ 8969:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {




var strong = __webpack_require__(4396);
var validate = __webpack_require__(8546);
var MAP = 'Map';

// 23.1 Map Objects
module.exports = __webpack_require__(1966)(MAP, function (get) {
  return function Map() {
    return get(this, arguments.length > 0 ? arguments[0] : undefined);
  };
}, {
  // 23.1.3.6 Map.prototype.get(key)
  get: function get(key) {
    var entry = strong.getEntry(validate(this, MAP), key);
    return entry && entry.v;
  },
  // 23.1.3.9 Map.prototype.set(key, value)
  set: function set(key, value) {
    return strong.def(validate(this, MAP), key === 0 ? 0 : key, value);
  }
}, strong, true);

/***/ }),

/***/ 4717:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 20.2.2.3 Math.acosh(x)
var $export = __webpack_require__(5913);
var log1p = __webpack_require__(5447);
var sqrt = Math.sqrt;
var $acosh = Math.acosh;
$export($export.S + $export.F * !($acosh
// V8 bug: https://code.google.com/p/v8/issues/detail?id=3509
&& Math.floor($acosh(Number.MAX_VALUE)) == 710
// Tor Browser bug: Math.acosh(Infinity) -> NaN
&& $acosh(Infinity) == Infinity), 'Math', {
  acosh: function acosh(x) {
    return (x = +x) < 1 ? NaN : x > 94906265.62425156 ? Math.log(x) + Math.LN2 : log1p(x - 1 + sqrt(x - 1) * sqrt(x + 1));
  }
});

/***/ }),

/***/ 7292:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 20.2.2.5 Math.asinh(x)
var $export = __webpack_require__(5913);
var $asinh = Math.asinh;
function asinh(x) {
  return !isFinite(x = +x) || x == 0 ? x : x < 0 ? -asinh(-x) : Math.log(x + Math.sqrt(x * x + 1));
}

// Tor Browser bug: Math.asinh(0) -> -0
$export($export.S + $export.F * !($asinh && 1 / $asinh(0) > 0), 'Math', {
  asinh: asinh
});

/***/ }),

/***/ 1840:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 20.2.2.7 Math.atanh(x)
var $export = __webpack_require__(5913);
var $atanh = Math.atanh;

// Tor Browser bug: Math.atanh(-0) -> 0
$export($export.S + $export.F * !($atanh && 1 / $atanh(-0) < 0), 'Math', {
  atanh: function atanh(x) {
    return (x = +x) == 0 ? x : Math.log((1 + x) / (1 - x)) / 2;
  }
});

/***/ }),

/***/ 3255:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 20.2.2.9 Math.cbrt(x)
var $export = __webpack_require__(5913);
var sign = __webpack_require__(4012);
$export($export.S, 'Math', {
  cbrt: function cbrt(x) {
    return sign(x = +x) * Math.pow(Math.abs(x), 1 / 3);
  }
});

/***/ }),

/***/ 5728:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 20.2.2.11 Math.clz32(x)
var $export = __webpack_require__(5913);
$export($export.S, 'Math', {
  clz32: function clz32(x) {
    return (x >>>= 0) ? 31 - Math.floor(Math.log(x + 0.5) * Math.LOG2E) : 32;
  }
});

/***/ }),

/***/ 6255:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 20.2.2.12 Math.cosh(x)
var $export = __webpack_require__(5913);
var exp = Math.exp;
$export($export.S, 'Math', {
  cosh: function cosh(x) {
    return (exp(x = +x) + exp(-x)) / 2;
  }
});

/***/ }),

/***/ 2834:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 20.2.2.14 Math.expm1(x)
var $export = __webpack_require__(5913);
var $expm1 = __webpack_require__(4774);
$export($export.S + $export.F * ($expm1 != Math.expm1), 'Math', {
  expm1: $expm1
});

/***/ }),

/***/ 4489:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 20.2.2.16 Math.fround(x)
var $export = __webpack_require__(5913);
$export($export.S, 'Math', {
  fround: __webpack_require__(3800)
});

/***/ }),

/***/ 575:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 20.2.2.17 Math.hypot([value1[, value2[, … ]]])
var $export = __webpack_require__(5913);
var abs = Math.abs;
$export($export.S, 'Math', {
  hypot: function hypot(value1, value2) {
    // eslint-disable-line no-unused-vars
    var sum = 0;
    var i = 0;
    var aLen = arguments.length;
    var larg = 0;
    var arg, div;
    while (i < aLen) {
      arg = abs(arguments[i++]);
      if (larg < arg) {
        div = larg / arg;
        sum = sum * div * div + 1;
        larg = arg;
      } else if (arg > 0) {
        div = arg / larg;
        sum += div * div;
      } else sum += arg;
    }
    return larg === Infinity ? Infinity : larg * Math.sqrt(sum);
  }
});

/***/ }),

/***/ 1369:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 20.2.2.18 Math.imul(x, y)
var $export = __webpack_require__(5913);
var $imul = Math.imul;

// some WebKit versions fails with big numbers, some has wrong arity
$export($export.S + $export.F * __webpack_require__(5810)(function () {
  return $imul(0xffffffff, 5) != -5 || $imul.length != 2;
}), 'Math', {
  imul: function imul(x, y) {
    var UINT16 = 0xffff;
    var xn = +x;
    var yn = +y;
    var xl = UINT16 & xn;
    var yl = UINT16 & yn;
    return 0 | xl * yl + ((UINT16 & xn >>> 16) * yl + xl * (UINT16 & yn >>> 16) << 16 >>> 0);
  }
});

/***/ }),

/***/ 2751:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 20.2.2.21 Math.log10(x)
var $export = __webpack_require__(5913);
$export($export.S, 'Math', {
  log10: function log10(x) {
    return Math.log(x) * Math.LOG10E;
  }
});

/***/ }),

/***/ 9617:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 20.2.2.20 Math.log1p(x)
var $export = __webpack_require__(5913);
$export($export.S, 'Math', {
  log1p: __webpack_require__(5447)
});

/***/ }),

/***/ 3656:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 20.2.2.22 Math.log2(x)
var $export = __webpack_require__(5913);
$export($export.S, 'Math', {
  log2: function log2(x) {
    return Math.log(x) / Math.LN2;
  }
});

/***/ }),

/***/ 1850:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 20.2.2.28 Math.sign(x)
var $export = __webpack_require__(5913);
$export($export.S, 'Math', {
  sign: __webpack_require__(4012)
});

/***/ }),

/***/ 5424:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 20.2.2.30 Math.sinh(x)
var $export = __webpack_require__(5913);
var expm1 = __webpack_require__(4774);
var exp = Math.exp;

// V8 near Chromium 38 has a problem with very small numbers
$export($export.S + $export.F * __webpack_require__(5810)(function () {
  return !Math.sinh(-2e-17) != -2e-17;
}), 'Math', {
  sinh: function sinh(x) {
    return Math.abs(x = +x) < 1 ? (expm1(x) - expm1(-x)) / 2 : (exp(x - 1) - exp(-x - 1)) * (Math.E / 2);
  }
});

/***/ }),

/***/ 230:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 20.2.2.33 Math.tanh(x)
var $export = __webpack_require__(5913);
var expm1 = __webpack_require__(4774);
var exp = Math.exp;
$export($export.S, 'Math', {
  tanh: function tanh(x) {
    var a = expm1(x = +x);
    var b = expm1(-x);
    return a == Infinity ? 1 : b == Infinity ? -1 : (a - b) / (exp(x) + exp(-x));
  }
});

/***/ }),

/***/ 8471:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 20.2.2.34 Math.trunc(x)
var $export = __webpack_require__(5913);
$export($export.S, 'Math', {
  trunc: function trunc(it) {
    return (it > 0 ? Math.floor : Math.ceil)(it);
  }
});

/***/ }),

/***/ 440:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




var global = __webpack_require__(7381);
var has = __webpack_require__(5389);
var cof = __webpack_require__(3679);
var inheritIfRequired = __webpack_require__(3654);
var toPrimitive = __webpack_require__(8537);
var fails = __webpack_require__(5810);
var gOPN = (__webpack_require__(2982).f);
var gOPD = (__webpack_require__(3299).f);
var dP = (__webpack_require__(4835).f);
var $trim = (__webpack_require__(618).trim);
var NUMBER = 'Number';
var $Number = global[NUMBER];
var Base = $Number;
var proto = $Number.prototype;
// Opera ~12 has broken Object#toString
var BROKEN_COF = cof(__webpack_require__(4275)(proto)) == NUMBER;
var TRIM = ('trim' in String.prototype);

// 7.1.3 ToNumber(argument)
var toNumber = function toNumber(argument) {
  var it = toPrimitive(argument, false);
  if (typeof it == 'string' && it.length > 2) {
    it = TRIM ? it.trim() : $trim(it, 3);
    var first = it.charCodeAt(0);
    var third, radix, maxCode;
    if (first === 43 || first === 45) {
      third = it.charCodeAt(2);
      if (third === 88 || third === 120) return NaN; // Number('+0x1') should be NaN, old V8 fix
    } else if (first === 48) {
      switch (it.charCodeAt(1)) {
        case 66:
        case 98:
          radix = 2;
          maxCode = 49;
          break;
        // fast equal /^0b[01]+$/i
        case 79:
        case 111:
          radix = 8;
          maxCode = 55;
          break;
        // fast equal /^0o[0-7]+$/i
        default:
          return +it;
      }
      for (var digits = it.slice(2), i = 0, l = digits.length, code; i < l; i++) {
        code = digits.charCodeAt(i);
        // parseInt parses a string to a first unavailable symbol
        // but ToNumber should return NaN if a string contains unavailable symbols
        if (code < 48 || code > maxCode) return NaN;
      }
      return parseInt(digits, radix);
    }
  }
  return +it;
};
if (!$Number(' 0o1') || !$Number('0b1') || $Number('+0x1')) {
  $Number = function Number(value) {
    var it = arguments.length < 1 ? 0 : value;
    var that = this;
    return that instanceof $Number
    // check on 1..constructor(foo) case
    && (BROKEN_COF ? fails(function () {
      proto.valueOf.call(that);
    }) : cof(that) != NUMBER) ? inheritIfRequired(new Base(toNumber(it)), that, $Number) : toNumber(it);
  };
  for (var keys = __webpack_require__(4926) ? gOPN(Base) : (
    // ES3:
    'MAX_VALUE,MIN_VALUE,NaN,NEGATIVE_INFINITY,POSITIVE_INFINITY,' +
    // ES6 (in case, if modules with ES6 Number statics required before):
    'EPSILON,isFinite,isInteger,isNaN,isSafeInteger,MAX_SAFE_INTEGER,' + 'MIN_SAFE_INTEGER,parseFloat,parseInt,isInteger').split(','), j = 0, key; keys.length > j; j++) {
    if (has(Base, key = keys[j]) && !has($Number, key)) {
      dP($Number, key, gOPD(Base, key));
    }
  }
  $Number.prototype = proto;
  proto.constructor = $Number;
  __webpack_require__(7278)(global, NUMBER, $Number);
}

/***/ }),

/***/ 1914:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 20.1.2.1 Number.EPSILON
var $export = __webpack_require__(5913);
$export($export.S, 'Number', {
  EPSILON: Math.pow(2, -52)
});

/***/ }),

/***/ 4117:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 20.1.2.2 Number.isFinite(number)
var $export = __webpack_require__(5913);
var _isFinite = (__webpack_require__(7381).isFinite);
$export($export.S, 'Number', {
  isFinite: function isFinite(it) {
    return typeof it == 'number' && _isFinite(it);
  }
});

/***/ }),

/***/ 9619:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 20.1.2.3 Number.isInteger(number)
var $export = __webpack_require__(5913);
$export($export.S, 'Number', {
  isInteger: __webpack_require__(5127)
});

/***/ }),

/***/ 5849:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 20.1.2.4 Number.isNaN(number)
var $export = __webpack_require__(5913);
$export($export.S, 'Number', {
  isNaN: function isNaN(number) {
    // eslint-disable-next-line no-self-compare
    return number != number;
  }
});

/***/ }),

/***/ 4750:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 20.1.2.5 Number.isSafeInteger(number)
var $export = __webpack_require__(5913);
var isInteger = __webpack_require__(5127);
var abs = Math.abs;
$export($export.S, 'Number', {
  isSafeInteger: function isSafeInteger(number) {
    return isInteger(number) && abs(number) <= 0x1fffffffffffff;
  }
});

/***/ }),

/***/ 1550:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 20.1.2.6 Number.MAX_SAFE_INTEGER
var $export = __webpack_require__(5913);
$export($export.S, 'Number', {
  MAX_SAFE_INTEGER: 0x1fffffffffffff
});

/***/ }),

/***/ 3529:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 20.1.2.10 Number.MIN_SAFE_INTEGER
var $export = __webpack_require__(5913);
$export($export.S, 'Number', {
  MIN_SAFE_INTEGER: -0x1fffffffffffff
});

/***/ }),

/***/ 2791:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

var $export = __webpack_require__(5913);
var $parseFloat = __webpack_require__(5031);
// 20.1.2.12 Number.parseFloat(string)
$export($export.S + $export.F * (Number.parseFloat != $parseFloat), 'Number', {
  parseFloat: $parseFloat
});

/***/ }),

/***/ 6831:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

var $export = __webpack_require__(5913);
var $parseInt = __webpack_require__(6971);
// 20.1.2.13 Number.parseInt(string, radix)
$export($export.S + $export.F * (Number.parseInt != $parseInt), 'Number', {
  parseInt: $parseInt
});

/***/ }),

/***/ 1077:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




var $export = __webpack_require__(5913);
var toInteger = __webpack_require__(3230);
var aNumberValue = __webpack_require__(9855);
var repeat = __webpack_require__(1924);
var $toFixed = 1.0.toFixed;
var floor = Math.floor;
var data = [0, 0, 0, 0, 0, 0];
var ERROR = 'Number.toFixed: incorrect invocation!';
var ZERO = '0';
var multiply = function multiply(n, c) {
  var i = -1;
  var c2 = c;
  while (++i < 6) {
    c2 += n * data[i];
    data[i] = c2 % 1e7;
    c2 = floor(c2 / 1e7);
  }
};
var divide = function divide(n) {
  var i = 6;
  var c = 0;
  while (--i >= 0) {
    c += data[i];
    data[i] = floor(c / n);
    c = c % n * 1e7;
  }
};
var numToString = function numToString() {
  var i = 6;
  var s = '';
  while (--i >= 0) {
    if (s !== '' || i === 0 || data[i] !== 0) {
      var t = String(data[i]);
      s = s === '' ? t : s + repeat.call(ZERO, 7 - t.length) + t;
    }
  }
  return s;
};
var pow = function pow(x, n, acc) {
  return n === 0 ? acc : n % 2 === 1 ? pow(x, n - 1, acc * x) : pow(x * x, n / 2, acc);
};
var log = function log(x) {
  var n = 0;
  var x2 = x;
  while (x2 >= 4096) {
    n += 12;
    x2 /= 4096;
  }
  while (x2 >= 2) {
    n += 1;
    x2 /= 2;
  }
  return n;
};
$export($export.P + $export.F * (!!$toFixed && (0.00008.toFixed(3) !== '0.000' || 0.9.toFixed(0) !== '1' || 1.255.toFixed(2) !== '1.25' || 1000000000000000128.0.toFixed(0) !== '1000000000000000128') || !__webpack_require__(5810)(function () {
  // V8 ~ Android 4.3-
  $toFixed.call({});
})), 'Number', {
  toFixed: function toFixed(fractionDigits) {
    var x = aNumberValue(this, ERROR);
    var f = toInteger(fractionDigits);
    var s = '';
    var m = ZERO;
    var e, z, j, k;
    if (f < 0 || f > 20) throw RangeError(ERROR);
    // eslint-disable-next-line no-self-compare
    if (x != x) return 'NaN';
    if (x <= -1e21 || x >= 1e21) return String(x);
    if (x < 0) {
      s = '-';
      x = -x;
    }
    if (x > 1e-21) {
      e = log(x * pow(2, 69, 1)) - 69;
      z = e < 0 ? x * pow(2, -e, 1) : x / pow(2, e, 1);
      z *= 0x10000000000000;
      e = 52 - e;
      if (e > 0) {
        multiply(0, z);
        j = f;
        while (j >= 7) {
          multiply(1e7, 0);
          j -= 7;
        }
        multiply(pow(10, j, 1), 0);
        j = e - 1;
        while (j >= 23) {
          divide(1 << 23);
          j -= 23;
        }
        divide(1 << j);
        multiply(1, 1);
        divide(2);
        m = numToString();
      } else {
        multiply(0, z);
        multiply(1 << -e, 0);
        m = numToString() + repeat.call(ZERO, f);
      }
    }
    if (f > 0) {
      k = m.length;
      m = s + (k <= f ? '0.' + repeat.call(ZERO, f - k) + m : m.slice(0, k - f) + '.' + m.slice(k - f));
    } else {
      m = s + m;
    }
    return m;
  }
});

/***/ }),

/***/ 820:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




var $export = __webpack_require__(5913);
var $fails = __webpack_require__(5810);
var aNumberValue = __webpack_require__(9855);
var $toPrecision = 1.0.toPrecision;
$export($export.P + $export.F * ($fails(function () {
  // IE7-
  return $toPrecision.call(1, undefined) !== '1';
}) || !$fails(function () {
  // V8 ~ Android 4.3-
  $toPrecision.call({});
})), 'Number', {
  toPrecision: function toPrecision(precision) {
    var that = aNumberValue(this, 'Number#toPrecision: incorrect invocation!');
    return precision === undefined ? $toPrecision.call(that) : $toPrecision.call(that, precision);
  }
});

/***/ }),

/***/ 5331:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 19.1.3.1 Object.assign(target, source)
var $export = __webpack_require__(5913);
$export($export.S + $export.F, 'Object', {
  assign: __webpack_require__(8559)
});

/***/ }),

/***/ 3290:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

var $export = __webpack_require__(5913);
// 19.1.2.2 / 15.2.3.5 Object.create(O [, Properties])
$export($export.S, 'Object', {
  create: __webpack_require__(4275)
});

/***/ }),

/***/ 8424:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

var $export = __webpack_require__(5913);
// 19.1.2.3 / 15.2.3.7 Object.defineProperties(O, Properties)
$export($export.S + $export.F * !__webpack_require__(4926), 'Object', {
  defineProperties: __webpack_require__(6447)
});

/***/ }),

/***/ 3690:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

var $export = __webpack_require__(5913);
// 19.1.2.4 / 15.2.3.6 Object.defineProperty(O, P, Attributes)
$export($export.S + $export.F * !__webpack_require__(4926), 'Object', {
  defineProperty: (__webpack_require__(4835).f)
});

/***/ }),

/***/ 754:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 19.1.2.5 Object.freeze(O)
var isObject = __webpack_require__(7156);
var meta = (__webpack_require__(3763).onFreeze);
__webpack_require__(4057)('freeze', function ($freeze) {
  return function freeze(it) {
    return $freeze && isObject(it) ? $freeze(meta(it)) : it;
  };
});

/***/ }),

/***/ 2357:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 19.1.2.6 Object.getOwnPropertyDescriptor(O, P)
var toIObject = __webpack_require__(8499);
var $getOwnPropertyDescriptor = (__webpack_require__(3299).f);
__webpack_require__(4057)('getOwnPropertyDescriptor', function () {
  return function getOwnPropertyDescriptor(it, key) {
    return $getOwnPropertyDescriptor(toIObject(it), key);
  };
});

/***/ }),

/***/ 6022:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 19.1.2.7 Object.getOwnPropertyNames(O)
__webpack_require__(4057)('getOwnPropertyNames', function () {
  return (__webpack_require__(3136).f);
});

/***/ }),

/***/ 6667:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 19.1.2.9 Object.getPrototypeOf(O)
var toObject = __webpack_require__(2515);
var $getPrototypeOf = __webpack_require__(4153);
__webpack_require__(4057)('getPrototypeOf', function () {
  return function getPrototypeOf(it) {
    return $getPrototypeOf(toObject(it));
  };
});

/***/ }),

/***/ 4919:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 19.1.2.11 Object.isExtensible(O)
var isObject = __webpack_require__(7156);
__webpack_require__(4057)('isExtensible', function ($isExtensible) {
  return function isExtensible(it) {
    return isObject(it) ? $isExtensible ? $isExtensible(it) : true : false;
  };
});

/***/ }),

/***/ 9219:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 19.1.2.12 Object.isFrozen(O)
var isObject = __webpack_require__(7156);
__webpack_require__(4057)('isFrozen', function ($isFrozen) {
  return function isFrozen(it) {
    return isObject(it) ? $isFrozen ? $isFrozen(it) : false : true;
  };
});

/***/ }),

/***/ 3270:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 19.1.2.13 Object.isSealed(O)
var isObject = __webpack_require__(7156);
__webpack_require__(4057)('isSealed', function ($isSealed) {
  return function isSealed(it) {
    return isObject(it) ? $isSealed ? $isSealed(it) : false : true;
  };
});

/***/ }),

/***/ 2456:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 19.1.3.10 Object.is(value1, value2)
var $export = __webpack_require__(5913);
$export($export.S, 'Object', {
  is: __webpack_require__(4261)
});

/***/ }),

/***/ 2506:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 19.1.2.14 Object.keys(O)
var toObject = __webpack_require__(2515);
var $keys = __webpack_require__(9924);
__webpack_require__(4057)('keys', function () {
  return function keys(it) {
    return $keys(toObject(it));
  };
});

/***/ }),

/***/ 6527:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 19.1.2.15 Object.preventExtensions(O)
var isObject = __webpack_require__(7156);
var meta = (__webpack_require__(3763).onFreeze);
__webpack_require__(4057)('preventExtensions', function ($preventExtensions) {
  return function preventExtensions(it) {
    return $preventExtensions && isObject(it) ? $preventExtensions(meta(it)) : it;
  };
});

/***/ }),

/***/ 7571:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 19.1.2.17 Object.seal(O)
var isObject = __webpack_require__(7156);
var meta = (__webpack_require__(3763).onFreeze);
__webpack_require__(4057)('seal', function ($seal) {
  return function seal(it) {
    return $seal && isObject(it) ? $seal(meta(it)) : it;
  };
});

/***/ }),

/***/ 8490:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 19.1.3.19 Object.setPrototypeOf(O, proto)
var $export = __webpack_require__(5913);
$export($export.S, 'Object', {
  setPrototypeOf: (__webpack_require__(6931).set)
});

/***/ }),

/***/ 4554:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




// 19.1.3.6 Object.prototype.toString()
var classof = __webpack_require__(2858);
var test = {};
test[__webpack_require__(3336)('toStringTag')] = 'z';
if (test + '' != '[object z]') {
  __webpack_require__(7278)(Object.prototype, 'toString', function toString() {
    return '[object ' + classof(this) + ']';
  }, true);
}

/***/ }),

/***/ 3271:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

var $export = __webpack_require__(5913);
var $parseFloat = __webpack_require__(5031);
// 18.2.4 parseFloat(string)
$export($export.G + $export.F * (parseFloat != $parseFloat), {
  parseFloat: $parseFloat
});

/***/ }),

/***/ 317:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

var $export = __webpack_require__(5913);
var $parseInt = __webpack_require__(6971);
// 18.2.5 parseInt(string, radix)
$export($export.G + $export.F * (parseInt != $parseInt), {
  parseInt: $parseInt
});

/***/ }),

/***/ 829:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




var LIBRARY = __webpack_require__(4219);
var global = __webpack_require__(7381);
var ctx = __webpack_require__(566);
var classof = __webpack_require__(2858);
var $export = __webpack_require__(5913);
var isObject = __webpack_require__(7156);
var aFunction = __webpack_require__(6819);
var anInstance = __webpack_require__(2702);
var forOf = __webpack_require__(2734);
var speciesConstructor = __webpack_require__(2035);
var task = (__webpack_require__(8220).set);
var microtask = __webpack_require__(1842)();
var newPromiseCapabilityModule = __webpack_require__(4086);
var perform = __webpack_require__(8228);
var userAgent = __webpack_require__(851);
var promiseResolve = __webpack_require__(3507);
var PROMISE = 'Promise';
var TypeError = global.TypeError;
var process = global.process;
var versions = process && process.versions;
var v8 = versions && versions.v8 || '';
var $Promise = global[PROMISE];
var isNode = classof(process) == 'process';
var empty = function empty() {/* empty */};
var Internal, newGenericPromiseCapability, OwnPromiseCapability, Wrapper;
var newPromiseCapability = newGenericPromiseCapability = newPromiseCapabilityModule.f;
var USE_NATIVE = !!function () {
  try {
    // correct subclassing with @@species support
    var promise = $Promise.resolve(1);
    var FakePromise = (promise.constructor = {})[__webpack_require__(3336)('species')] = function (exec) {
      exec(empty, empty);
    };
    // unhandled rejections tracking support, NodeJS Promise without it fails @@species test
    return (isNode || typeof PromiseRejectionEvent == 'function') && promise.then(empty) instanceof FakePromise
    // v8 6.6 (Node 10 and Chrome 66) have a bug with resolving custom thenables
    // https://bugs.chromium.org/p/chromium/issues/detail?id=830565
    // we can't detect it synchronously, so just check versions
    && v8.indexOf('6.6') !== 0 && userAgent.indexOf('Chrome/66') === -1;
  } catch (e) {/* empty */}
}();

// helpers
var isThenable = function isThenable(it) {
  var then;
  return isObject(it) && typeof (then = it.then) == 'function' ? then : false;
};
var notify = function notify(promise, isReject) {
  if (promise._n) return;
  promise._n = true;
  var chain = promise._c;
  microtask(function () {
    var value = promise._v;
    var ok = promise._s == 1;
    var i = 0;
    var run = function run(reaction) {
      var handler = ok ? reaction.ok : reaction.fail;
      var resolve = reaction.resolve;
      var reject = reaction.reject;
      var domain = reaction.domain;
      var result, then, exited;
      try {
        if (handler) {
          if (!ok) {
            if (promise._h == 2) onHandleUnhandled(promise);
            promise._h = 1;
          }
          if (handler === true) result = value;else {
            if (domain) domain.enter();
            result = handler(value); // may throw
            if (domain) {
              domain.exit();
              exited = true;
            }
          }
          if (result === reaction.promise) {
            reject(TypeError('Promise-chain cycle'));
          } else if (then = isThenable(result)) {
            then.call(result, resolve, reject);
          } else resolve(result);
        } else reject(value);
      } catch (e) {
        if (domain && !exited) domain.exit();
        reject(e);
      }
    };
    while (chain.length > i) run(chain[i++]); // variable length - can't use forEach
    promise._c = [];
    promise._n = false;
    if (isReject && !promise._h) onUnhandled(promise);
  });
};
var onUnhandled = function onUnhandled(promise) {
  task.call(global, function () {
    var value = promise._v;
    var unhandled = isUnhandled(promise);
    var result, handler, console;
    if (unhandled) {
      result = perform(function () {
        if (isNode) {
          process.emit('unhandledRejection', value, promise);
        } else if (handler = global.onunhandledrejection) {
          handler({
            promise: promise,
            reason: value
          });
        } else if ((console = global.console) && console.error) {
          console.error('Unhandled promise rejection', value);
        }
      });
      // Browsers should not trigger `rejectionHandled` event if it was handled here, NodeJS - should
      promise._h = isNode || isUnhandled(promise) ? 2 : 1;
    }
    promise._a = undefined;
    if (unhandled && result.e) throw result.v;
  });
};
var isUnhandled = function isUnhandled(promise) {
  return promise._h !== 1 && (promise._a || promise._c).length === 0;
};
var onHandleUnhandled = function onHandleUnhandled(promise) {
  task.call(global, function () {
    var handler;
    if (isNode) {
      process.emit('rejectionHandled', promise);
    } else if (handler = global.onrejectionhandled) {
      handler({
        promise: promise,
        reason: promise._v
      });
    }
  });
};
var $reject = function $reject(value) {
  var promise = this;
  if (promise._d) return;
  promise._d = true;
  promise = promise._w || promise; // unwrap
  promise._v = value;
  promise._s = 2;
  if (!promise._a) promise._a = promise._c.slice();
  notify(promise, true);
};
var $resolve = function $resolve(value) {
  var promise = this;
  var then;
  if (promise._d) return;
  promise._d = true;
  promise = promise._w || promise; // unwrap
  try {
    if (promise === value) throw TypeError("Promise can't be resolved itself");
    if (then = isThenable(value)) {
      microtask(function () {
        var wrapper = {
          _w: promise,
          _d: false
        }; // wrap
        try {
          then.call(value, ctx($resolve, wrapper, 1), ctx($reject, wrapper, 1));
        } catch (e) {
          $reject.call(wrapper, e);
        }
      });
    } else {
      promise._v = value;
      promise._s = 1;
      notify(promise, false);
    }
  } catch (e) {
    $reject.call({
      _w: promise,
      _d: false
    }, e); // wrap
  }
};

// constructor polyfill
if (!USE_NATIVE) {
  // 25.4.3.1 Promise(executor)
  $Promise = function Promise(executor) {
    anInstance(this, $Promise, PROMISE, '_h');
    aFunction(executor);
    Internal.call(this);
    try {
      executor(ctx($resolve, this, 1), ctx($reject, this, 1));
    } catch (err) {
      $reject.call(this, err);
    }
  };
  // eslint-disable-next-line no-unused-vars
  Internal = function Promise(executor) {
    this._c = []; // <- awaiting reactions
    this._a = undefined; // <- checked in isUnhandled reactions
    this._s = 0; // <- state
    this._d = false; // <- done
    this._v = undefined; // <- value
    this._h = 0; // <- rejection state, 0 - default, 1 - handled, 2 - unhandled
    this._n = false; // <- notify
  };

  Internal.prototype = __webpack_require__(7228)($Promise.prototype, {
    // 25.4.5.3 Promise.prototype.then(onFulfilled, onRejected)
    then: function then(onFulfilled, onRejected) {
      var reaction = newPromiseCapability(speciesConstructor(this, $Promise));
      reaction.ok = typeof onFulfilled == 'function' ? onFulfilled : true;
      reaction.fail = typeof onRejected == 'function' && onRejected;
      reaction.domain = isNode ? process.domain : undefined;
      this._c.push(reaction);
      if (this._a) this._a.push(reaction);
      if (this._s) notify(this, false);
      return reaction.promise;
    },
    // 25.4.5.1 Promise.prototype.catch(onRejected)
    'catch': function _catch(onRejected) {
      return this.then(undefined, onRejected);
    }
  });
  OwnPromiseCapability = function OwnPromiseCapability() {
    var promise = new Internal();
    this.promise = promise;
    this.resolve = ctx($resolve, promise, 1);
    this.reject = ctx($reject, promise, 1);
  };
  newPromiseCapabilityModule.f = newPromiseCapability = function newPromiseCapability(C) {
    return C === $Promise || C === Wrapper ? new OwnPromiseCapability(C) : newGenericPromiseCapability(C);
  };
}
$export($export.G + $export.W + $export.F * !USE_NATIVE, {
  Promise: $Promise
});
__webpack_require__(8094)($Promise, PROMISE);
__webpack_require__(4798)(PROMISE);
Wrapper = __webpack_require__(8544)[PROMISE];

// statics
$export($export.S + $export.F * !USE_NATIVE, PROMISE, {
  // 25.4.4.5 Promise.reject(r)
  reject: function reject(r) {
    var capability = newPromiseCapability(this);
    var $$reject = capability.reject;
    $$reject(r);
    return capability.promise;
  }
});
$export($export.S + $export.F * (LIBRARY || !USE_NATIVE), PROMISE, {
  // 25.4.4.6 Promise.resolve(x)
  resolve: function resolve(x) {
    return promiseResolve(LIBRARY && this === Wrapper ? $Promise : this, x);
  }
});
$export($export.S + $export.F * !(USE_NATIVE && __webpack_require__(5508)(function (iter) {
  $Promise.all(iter)['catch'](empty);
})), PROMISE, {
  // 25.4.4.1 Promise.all(iterable)
  all: function all(iterable) {
    var C = this;
    var capability = newPromiseCapability(C);
    var resolve = capability.resolve;
    var reject = capability.reject;
    var result = perform(function () {
      var values = [];
      var index = 0;
      var remaining = 1;
      forOf(iterable, false, function (promise) {
        var $index = index++;
        var alreadyCalled = false;
        values.push(undefined);
        remaining++;
        C.resolve(promise).then(function (value) {
          if (alreadyCalled) return;
          alreadyCalled = true;
          values[$index] = value;
          --remaining || resolve(values);
        }, reject);
      });
      --remaining || resolve(values);
    });
    if (result.e) reject(result.v);
    return capability.promise;
  },
  // 25.4.4.4 Promise.race(iterable)
  race: function race(iterable) {
    var C = this;
    var capability = newPromiseCapability(C);
    var reject = capability.reject;
    var result = perform(function () {
      forOf(iterable, false, function (promise) {
        C.resolve(promise).then(capability.resolve, reject);
      });
    });
    if (result.e) reject(result.v);
    return capability.promise;
  }
});

/***/ }),

/***/ 1220:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 26.1.1 Reflect.apply(target, thisArgument, argumentsList)
var $export = __webpack_require__(5913);
var aFunction = __webpack_require__(6819);
var anObject = __webpack_require__(6154);
var rApply = ((__webpack_require__(7381).Reflect) || {}).apply;
var fApply = Function.apply;
// MS Edge argumentsList argument is optional
$export($export.S + $export.F * !__webpack_require__(5810)(function () {
  rApply(function () {/* empty */});
}), 'Reflect', {
  apply: function apply(target, thisArgument, argumentsList) {
    var T = aFunction(target);
    var L = anObject(argumentsList);
    return rApply ? rApply(T, thisArgument, L) : fApply.call(T, thisArgument, L);
  }
});

/***/ }),

/***/ 9263:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 26.1.2 Reflect.construct(target, argumentsList [, newTarget])
var $export = __webpack_require__(5913);
var create = __webpack_require__(4275);
var aFunction = __webpack_require__(6819);
var anObject = __webpack_require__(6154);
var isObject = __webpack_require__(7156);
var fails = __webpack_require__(5810);
var bind = __webpack_require__(8327);
var rConstruct = ((__webpack_require__(7381).Reflect) || {}).construct;

// MS Edge supports only 2 arguments and argumentsList argument is optional
// FF Nightly sets third argument as `new.target`, but does not create `this` from it
var NEW_TARGET_BUG = fails(function () {
  function F() {/* empty */}
  return !(rConstruct(function () {/* empty */}, [], F) instanceof F);
});
var ARGS_BUG = !fails(function () {
  rConstruct(function () {/* empty */});
});
$export($export.S + $export.F * (NEW_TARGET_BUG || ARGS_BUG), 'Reflect', {
  construct: function construct(Target, args /* , newTarget */) {
    aFunction(Target);
    anObject(args);
    var newTarget = arguments.length < 3 ? Target : aFunction(arguments[2]);
    if (ARGS_BUG && !NEW_TARGET_BUG) return rConstruct(Target, args, newTarget);
    if (Target == newTarget) {
      // w/o altered newTarget, optimization for 0-4 arguments
      switch (args.length) {
        case 0:
          return new Target();
        case 1:
          return new Target(args[0]);
        case 2:
          return new Target(args[0], args[1]);
        case 3:
          return new Target(args[0], args[1], args[2]);
        case 4:
          return new Target(args[0], args[1], args[2], args[3]);
      }
      // w/o altered newTarget, lot of arguments case
      var $args = [null];
      $args.push.apply($args, args);
      return new (bind.apply(Target, $args))();
    }
    // with altered newTarget, not support built-in constructors
    var proto = newTarget.prototype;
    var instance = create(isObject(proto) ? proto : Object.prototype);
    var result = Function.apply.call(Target, instance, args);
    return isObject(result) ? result : instance;
  }
});

/***/ }),

/***/ 7622:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 26.1.3 Reflect.defineProperty(target, propertyKey, attributes)
var dP = __webpack_require__(4835);
var $export = __webpack_require__(5913);
var anObject = __webpack_require__(6154);
var toPrimitive = __webpack_require__(8537);

// MS Edge has broken Reflect.defineProperty - throwing instead of returning false
$export($export.S + $export.F * __webpack_require__(5810)(function () {
  // eslint-disable-next-line no-undef
  Reflect.defineProperty(dP.f({}, 1, {
    value: 1
  }), 1, {
    value: 2
  });
}), 'Reflect', {
  defineProperty: function defineProperty(target, propertyKey, attributes) {
    anObject(target);
    propertyKey = toPrimitive(propertyKey, true);
    anObject(attributes);
    try {
      dP.f(target, propertyKey, attributes);
      return true;
    } catch (e) {
      return false;
    }
  }
});

/***/ }),

/***/ 9060:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 26.1.4 Reflect.deleteProperty(target, propertyKey)
var $export = __webpack_require__(5913);
var gOPD = (__webpack_require__(3299).f);
var anObject = __webpack_require__(6154);
$export($export.S, 'Reflect', {
  deleteProperty: function deleteProperty(target, propertyKey) {
    var desc = gOPD(anObject(target), propertyKey);
    return desc && !desc.configurable ? false : delete target[propertyKey];
  }
});

/***/ }),

/***/ 980:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




// 26.1.5 Reflect.enumerate(target)
var $export = __webpack_require__(5913);
var anObject = __webpack_require__(6154);
var Enumerate = function Enumerate(iterated) {
  this._t = anObject(iterated); // target
  this._i = 0; // next index
  var keys = this._k = []; // keys
  var key;
  for (key in iterated) keys.push(key);
};
__webpack_require__(8258)(Enumerate, 'Object', function () {
  var that = this;
  var keys = that._k;
  var key;
  do {
    if (that._i >= keys.length) return {
      value: undefined,
      done: true
    };
  } while (!((key = keys[that._i++]) in that._t));
  return {
    value: key,
    done: false
  };
});
$export($export.S, 'Reflect', {
  enumerate: function enumerate(target) {
    return new Enumerate(target);
  }
});

/***/ }),

/***/ 8484:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 26.1.7 Reflect.getOwnPropertyDescriptor(target, propertyKey)
var gOPD = __webpack_require__(3299);
var $export = __webpack_require__(5913);
var anObject = __webpack_require__(6154);
$export($export.S, 'Reflect', {
  getOwnPropertyDescriptor: function getOwnPropertyDescriptor(target, propertyKey) {
    return gOPD.f(anObject(target), propertyKey);
  }
});

/***/ }),

/***/ 9869:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 26.1.8 Reflect.getPrototypeOf(target)
var $export = __webpack_require__(5913);
var getProto = __webpack_require__(4153);
var anObject = __webpack_require__(6154);
$export($export.S, 'Reflect', {
  getPrototypeOf: function getPrototypeOf(target) {
    return getProto(anObject(target));
  }
});

/***/ }),

/***/ 6175:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 26.1.6 Reflect.get(target, propertyKey [, receiver])
var gOPD = __webpack_require__(3299);
var getPrototypeOf = __webpack_require__(4153);
var has = __webpack_require__(5389);
var $export = __webpack_require__(5913);
var isObject = __webpack_require__(7156);
var anObject = __webpack_require__(6154);
function get(target, propertyKey /* , receiver */) {
  var receiver = arguments.length < 3 ? target : arguments[2];
  var desc, proto;
  if (anObject(target) === receiver) return target[propertyKey];
  if (desc = gOPD.f(target, propertyKey)) return has(desc, 'value') ? desc.value : desc.get !== undefined ? desc.get.call(receiver) : undefined;
  if (isObject(proto = getPrototypeOf(target))) return get(proto, propertyKey, receiver);
}
$export($export.S, 'Reflect', {
  get: get
});

/***/ }),

/***/ 1285:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 26.1.9 Reflect.has(target, propertyKey)
var $export = __webpack_require__(5913);
$export($export.S, 'Reflect', {
  has: function has(target, propertyKey) {
    return propertyKey in target;
  }
});

/***/ }),

/***/ 4854:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 26.1.10 Reflect.isExtensible(target)
var $export = __webpack_require__(5913);
var anObject = __webpack_require__(6154);
var $isExtensible = Object.isExtensible;
$export($export.S, 'Reflect', {
  isExtensible: function isExtensible(target) {
    anObject(target);
    return $isExtensible ? $isExtensible(target) : true;
  }
});

/***/ }),

/***/ 6647:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 26.1.11 Reflect.ownKeys(target)
var $export = __webpack_require__(5913);
$export($export.S, 'Reflect', {
  ownKeys: __webpack_require__(2600)
});

/***/ }),

/***/ 7903:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 26.1.12 Reflect.preventExtensions(target)
var $export = __webpack_require__(5913);
var anObject = __webpack_require__(6154);
var $preventExtensions = Object.preventExtensions;
$export($export.S, 'Reflect', {
  preventExtensions: function preventExtensions(target) {
    anObject(target);
    try {
      if ($preventExtensions) $preventExtensions(target);
      return true;
    } catch (e) {
      return false;
    }
  }
});

/***/ }),

/***/ 3113:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 26.1.14 Reflect.setPrototypeOf(target, proto)
var $export = __webpack_require__(5913);
var setProto = __webpack_require__(6931);
if (setProto) $export($export.S, 'Reflect', {
  setPrototypeOf: function setPrototypeOf(target, proto) {
    setProto.check(target, proto);
    try {
      setProto.set(target, proto);
      return true;
    } catch (e) {
      return false;
    }
  }
});

/***/ }),

/***/ 5197:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 26.1.13 Reflect.set(target, propertyKey, V [, receiver])
var dP = __webpack_require__(4835);
var gOPD = __webpack_require__(3299);
var getPrototypeOf = __webpack_require__(4153);
var has = __webpack_require__(5389);
var $export = __webpack_require__(5913);
var createDesc = __webpack_require__(6256);
var anObject = __webpack_require__(6154);
var isObject = __webpack_require__(7156);
function set(target, propertyKey, V /* , receiver */) {
  var receiver = arguments.length < 4 ? target : arguments[3];
  var ownDesc = gOPD.f(anObject(target), propertyKey);
  var existingDescriptor, proto;
  if (!ownDesc) {
    if (isObject(proto = getPrototypeOf(target))) {
      return set(proto, propertyKey, V, receiver);
    }
    ownDesc = createDesc(0);
  }
  if (has(ownDesc, 'value')) {
    if (ownDesc.writable === false || !isObject(receiver)) return false;
    if (existingDescriptor = gOPD.f(receiver, propertyKey)) {
      if (existingDescriptor.get || existingDescriptor.set || existingDescriptor.writable === false) return false;
      existingDescriptor.value = V;
      dP.f(receiver, propertyKey, existingDescriptor);
    } else dP.f(receiver, propertyKey, createDesc(0, V));
    return true;
  }
  return ownDesc.set === undefined ? false : (ownDesc.set.call(receiver, V), true);
}
$export($export.S, 'Reflect', {
  set: set
});

/***/ }),

/***/ 2566:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

var global = __webpack_require__(7381);
var inheritIfRequired = __webpack_require__(3654);
var dP = (__webpack_require__(4835).f);
var gOPN = (__webpack_require__(2982).f);
var isRegExp = __webpack_require__(1993);
var $flags = __webpack_require__(2188);
var $RegExp = global.RegExp;
var Base = $RegExp;
var proto = $RegExp.prototype;
var re1 = /a/g;
var re2 = /a/g;
// "new" creates a new object, old webkit buggy here
var CORRECT_NEW = new $RegExp(re1) !== re1;
if (__webpack_require__(4926) && (!CORRECT_NEW || __webpack_require__(5810)(function () {
  re2[__webpack_require__(3336)('match')] = false;
  // RegExp constructor can alter flags and IsRegExp works correct with @@match
  return $RegExp(re1) != re1 || $RegExp(re2) == re2 || $RegExp(re1, 'i') != '/a/i';
}))) {
  $RegExp = function RegExp(p, f) {
    var tiRE = this instanceof $RegExp;
    var piRE = isRegExp(p);
    var fiU = f === undefined;
    return !tiRE && piRE && p.constructor === $RegExp && fiU ? p : inheritIfRequired(CORRECT_NEW ? new Base(piRE && !fiU ? p.source : p, f) : Base((piRE = p instanceof $RegExp) ? p.source : p, piRE && fiU ? $flags.call(p) : f), tiRE ? this : proto, $RegExp);
  };
  var proxy = function proxy(key) {
    key in $RegExp || dP($RegExp, key, {
      configurable: true,
      get: function get() {
        return Base[key];
      },
      set: function set(it) {
        Base[key] = it;
      }
    });
  };
  for (var keys = gOPN(Base), i = 0; keys.length > i;) proxy(keys[i++]);
  proto.constructor = $RegExp;
  $RegExp.prototype = proto;
  __webpack_require__(7278)(global, 'RegExp', $RegExp);
}
__webpack_require__(4798)('RegExp');

/***/ }),

/***/ 5997:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




var regexpExec = __webpack_require__(6997);
__webpack_require__(5913)({
  target: 'RegExp',
  proto: true,
  forced: regexpExec !== /./.exec
}, {
  exec: regexpExec
});

/***/ }),

/***/ 7181:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// 21.2.5.3 get RegExp.prototype.flags()
if (__webpack_require__(4926) && /./g.flags != 'g') (__webpack_require__(4835).f)(RegExp.prototype, 'flags', {
  configurable: true,
  get: __webpack_require__(2188)
});

/***/ }),

/***/ 8682:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




var anObject = __webpack_require__(6154);
var toLength = __webpack_require__(8315);
var advanceStringIndex = __webpack_require__(1330);
var regExpExec = __webpack_require__(4585);

// @@match logic
__webpack_require__(8644)('match', 1, function (defined, MATCH, $match, maybeCallNative) {
  return [
  // `String.prototype.match` method
  // https://tc39.github.io/ecma262/#sec-string.prototype.match
  function match(regexp) {
    var O = defined(this);
    var fn = regexp == undefined ? undefined : regexp[MATCH];
    return fn !== undefined ? fn.call(regexp, O) : new RegExp(regexp)[MATCH](String(O));
  },
  // `RegExp.prototype[@@match]` method
  // https://tc39.github.io/ecma262/#sec-regexp.prototype-@@match
  function (regexp) {
    var res = maybeCallNative($match, regexp, this);
    if (res.done) return res.value;
    var rx = anObject(regexp);
    var S = String(this);
    if (!rx.global) return regExpExec(rx, S);
    var fullUnicode = rx.unicode;
    rx.lastIndex = 0;
    var A = [];
    var n = 0;
    var result;
    while ((result = regExpExec(rx, S)) !== null) {
      var matchStr = String(result[0]);
      A[n] = matchStr;
      if (matchStr === '') rx.lastIndex = advanceStringIndex(S, toLength(rx.lastIndex), fullUnicode);
      n++;
    }
    return n === 0 ? null : A;
  }];
});

/***/ }),

/***/ 8514:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




var anObject = __webpack_require__(6154);
var toObject = __webpack_require__(2515);
var toLength = __webpack_require__(8315);
var toInteger = __webpack_require__(3230);
var advanceStringIndex = __webpack_require__(1330);
var regExpExec = __webpack_require__(4585);
var max = Math.max;
var min = Math.min;
var floor = Math.floor;
var SUBSTITUTION_SYMBOLS = /\$([$&`']|\d\d?|<[^>]*>)/g;
var SUBSTITUTION_SYMBOLS_NO_NAMED = /\$([$&`']|\d\d?)/g;
var maybeToString = function maybeToString(it) {
  return it === undefined ? it : String(it);
};

// @@replace logic
__webpack_require__(8644)('replace', 2, function (defined, REPLACE, $replace, maybeCallNative) {
  return [
  // `String.prototype.replace` method
  // https://tc39.github.io/ecma262/#sec-string.prototype.replace
  function replace(searchValue, replaceValue) {
    var O = defined(this);
    var fn = searchValue == undefined ? undefined : searchValue[REPLACE];
    return fn !== undefined ? fn.call(searchValue, O, replaceValue) : $replace.call(String(O), searchValue, replaceValue);
  },
  // `RegExp.prototype[@@replace]` method
  // https://tc39.github.io/ecma262/#sec-regexp.prototype-@@replace
  function (regexp, replaceValue) {
    var res = maybeCallNative($replace, regexp, this, replaceValue);
    if (res.done) return res.value;
    var rx = anObject(regexp);
    var S = String(this);
    var functionalReplace = typeof replaceValue === 'function';
    if (!functionalReplace) replaceValue = String(replaceValue);
    var global = rx.global;
    if (global) {
      var fullUnicode = rx.unicode;
      rx.lastIndex = 0;
    }
    var results = [];
    while (true) {
      var result = regExpExec(rx, S);
      if (result === null) break;
      results.push(result);
      if (!global) break;
      var matchStr = String(result[0]);
      if (matchStr === '') rx.lastIndex = advanceStringIndex(S, toLength(rx.lastIndex), fullUnicode);
    }
    var accumulatedResult = '';
    var nextSourcePosition = 0;
    for (var i = 0; i < results.length; i++) {
      result = results[i];
      var matched = String(result[0]);
      var position = max(min(toInteger(result.index), S.length), 0);
      var captures = [];
      // NOTE: This is equivalent to
      //   captures = result.slice(1).map(maybeToString)
      // but for some reason `nativeSlice.call(result, 1, result.length)` (called in
      // the slice polyfill when slicing native arrays) "doesn't work" in safari 9 and
      // causes a crash (https://pastebin.com/N21QzeQA) when trying to debug it.
      for (var j = 1; j < result.length; j++) captures.push(maybeToString(result[j]));
      var namedCaptures = result.groups;
      if (functionalReplace) {
        var replacerArgs = [matched].concat(captures, position, S);
        if (namedCaptures !== undefined) replacerArgs.push(namedCaptures);
        var replacement = String(replaceValue.apply(undefined, replacerArgs));
      } else {
        replacement = getSubstitution(matched, S, position, captures, namedCaptures, replaceValue);
      }
      if (position >= nextSourcePosition) {
        accumulatedResult += S.slice(nextSourcePosition, position) + replacement;
        nextSourcePosition = position + matched.length;
      }
    }
    return accumulatedResult + S.slice(nextSourcePosition);
  }];

  // https://tc39.github.io/ecma262/#sec-getsubstitution
  function getSubstitution(matched, str, position, captures, namedCaptures, replacement) {
    var tailPos = position + matched.length;
    var m = captures.length;
    var symbols = SUBSTITUTION_SYMBOLS_NO_NAMED;
    if (namedCaptures !== undefined) {
      namedCaptures = toObject(namedCaptures);
      symbols = SUBSTITUTION_SYMBOLS;
    }
    return $replace.call(replacement, symbols, function (match, ch) {
      var capture;
      switch (ch.charAt(0)) {
        case '$':
          return '$';
        case '&':
          return matched;
        case '`':
          return str.slice(0, position);
        case "'":
          return str.slice(tailPos);
        case '<':
          capture = namedCaptures[ch.slice(1, -1)];
          break;
        default:
          // \d\d?
          var n = +ch;
          if (n === 0) return match;
          if (n > m) {
            var f = floor(n / 10);
            if (f === 0) return match;
            if (f <= m) return captures[f - 1] === undefined ? ch.charAt(1) : captures[f - 1] + ch.charAt(1);
            return match;
          }
          capture = captures[n - 1];
      }
      return capture === undefined ? '' : capture;
    });
  }
});

/***/ }),

/***/ 5105:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




var anObject = __webpack_require__(6154);
var sameValue = __webpack_require__(4261);
var regExpExec = __webpack_require__(4585);

// @@search logic
__webpack_require__(8644)('search', 1, function (defined, SEARCH, $search, maybeCallNative) {
  return [
  // `String.prototype.search` method
  // https://tc39.github.io/ecma262/#sec-string.prototype.search
  function search(regexp) {
    var O = defined(this);
    var fn = regexp == undefined ? undefined : regexp[SEARCH];
    return fn !== undefined ? fn.call(regexp, O) : new RegExp(regexp)[SEARCH](String(O));
  },
  // `RegExp.prototype[@@search]` method
  // https://tc39.github.io/ecma262/#sec-regexp.prototype-@@search
  function (regexp) {
    var res = maybeCallNative($search, regexp, this);
    if (res.done) return res.value;
    var rx = anObject(regexp);
    var S = String(this);
    var previousLastIndex = rx.lastIndex;
    if (!sameValue(previousLastIndex, 0)) rx.lastIndex = 0;
    var result = regExpExec(rx, S);
    if (!sameValue(rx.lastIndex, previousLastIndex)) rx.lastIndex = previousLastIndex;
    return result === null ? -1 : result.index;
  }];
});

/***/ }),

/***/ 5325:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




var isRegExp = __webpack_require__(1993);
var anObject = __webpack_require__(6154);
var speciesConstructor = __webpack_require__(2035);
var advanceStringIndex = __webpack_require__(1330);
var toLength = __webpack_require__(8315);
var callRegExpExec = __webpack_require__(4585);
var regexpExec = __webpack_require__(6997);
var fails = __webpack_require__(5810);
var $min = Math.min;
var $push = [].push;
var $SPLIT = 'split';
var LENGTH = 'length';
var LAST_INDEX = 'lastIndex';
var MAX_UINT32 = 0xffffffff;

// babel-minify transpiles RegExp('x', 'y') -> /x/y and it causes SyntaxError
var SUPPORTS_Y = !fails(function () {
  RegExp(MAX_UINT32, 'y');
});

// @@split logic
__webpack_require__(8644)('split', 2, function (defined, SPLIT, $split, maybeCallNative) {
  var internalSplit;
  if ('abbc'[$SPLIT](/(b)*/)[1] == 'c' || 'test'[$SPLIT](/(?:)/, -1)[LENGTH] != 4 || 'ab'[$SPLIT](/(?:ab)*/)[LENGTH] != 2 || '.'[$SPLIT](/(.?)(.?)/)[LENGTH] != 4 || '.'[$SPLIT](/()()/)[LENGTH] > 1 || ''[$SPLIT](/.?/)[LENGTH]) {
    // based on es5-shim implementation, need to rework it
    internalSplit = function internalSplit(separator, limit) {
      var string = String(this);
      if (separator === undefined && limit === 0) return [];
      // If `separator` is not a regex, use native split
      if (!isRegExp(separator)) return $split.call(string, separator, limit);
      var output = [];
      var flags = (separator.ignoreCase ? 'i' : '') + (separator.multiline ? 'm' : '') + (separator.unicode ? 'u' : '') + (separator.sticky ? 'y' : '');
      var lastLastIndex = 0;
      var splitLimit = limit === undefined ? MAX_UINT32 : limit >>> 0;
      // Make `global` and avoid `lastIndex` issues by working with a copy
      var separatorCopy = new RegExp(separator.source, flags + 'g');
      var match, lastIndex, lastLength;
      while (match = regexpExec.call(separatorCopy, string)) {
        lastIndex = separatorCopy[LAST_INDEX];
        if (lastIndex > lastLastIndex) {
          output.push(string.slice(lastLastIndex, match.index));
          if (match[LENGTH] > 1 && match.index < string[LENGTH]) $push.apply(output, match.slice(1));
          lastLength = match[0][LENGTH];
          lastLastIndex = lastIndex;
          if (output[LENGTH] >= splitLimit) break;
        }
        if (separatorCopy[LAST_INDEX] === match.index) separatorCopy[LAST_INDEX]++; // Avoid an infinite loop
      }

      if (lastLastIndex === string[LENGTH]) {
        if (lastLength || !separatorCopy.test('')) output.push('');
      } else output.push(string.slice(lastLastIndex));
      return output[LENGTH] > splitLimit ? output.slice(0, splitLimit) : output;
    };
    // Chakra, V8
  } else if ('0'[$SPLIT](undefined, 0)[LENGTH]) {
    internalSplit = function internalSplit(separator, limit) {
      return separator === undefined && limit === 0 ? [] : $split.call(this, separator, limit);
    };
  } else {
    internalSplit = $split;
  }
  return [
  // `String.prototype.split` method
  // https://tc39.github.io/ecma262/#sec-string.prototype.split
  function split(separator, limit) {
    var O = defined(this);
    var splitter = separator == undefined ? undefined : separator[SPLIT];
    return splitter !== undefined ? splitter.call(separator, O, limit) : internalSplit.call(String(O), separator, limit);
  },
  // `RegExp.prototype[@@split]` method
  // https://tc39.github.io/ecma262/#sec-regexp.prototype-@@split
  //
  // NOTE: This cannot be properly polyfilled in engines that don't support
  // the 'y' flag.
  function (regexp, limit) {
    var res = maybeCallNative(internalSplit, regexp, this, limit, internalSplit !== $split);
    if (res.done) return res.value;
    var rx = anObject(regexp);
    var S = String(this);
    var C = speciesConstructor(rx, RegExp);
    var unicodeMatching = rx.unicode;
    var flags = (rx.ignoreCase ? 'i' : '') + (rx.multiline ? 'm' : '') + (rx.unicode ? 'u' : '') + (SUPPORTS_Y ? 'y' : 'g');

    // ^(? + rx + ) is needed, in combination with some S slicing, to
    // simulate the 'y' flag.
    var splitter = new C(SUPPORTS_Y ? rx : '^(?:' + rx.source + ')', flags);
    var lim = limit === undefined ? MAX_UINT32 : limit >>> 0;
    if (lim === 0) return [];
    if (S.length === 0) return callRegExpExec(splitter, S) === null ? [S] : [];
    var p = 0;
    var q = 0;
    var A = [];
    while (q < S.length) {
      splitter.lastIndex = SUPPORTS_Y ? q : 0;
      var z = callRegExpExec(splitter, SUPPORTS_Y ? S : S.slice(q));
      var e;
      if (z === null || (e = $min(toLength(splitter.lastIndex + (SUPPORTS_Y ? 0 : q)), S.length)) === p) {
        q = advanceStringIndex(S, q, unicodeMatching);
      } else {
        A.push(S.slice(p, q));
        if (A.length === lim) return A;
        for (var i = 1; i <= z.length - 1; i++) {
          A.push(z[i]);
          if (A.length === lim) return A;
        }
        q = p = e;
      }
    }
    A.push(S.slice(p));
    return A;
  }];
});

/***/ }),

/***/ 8359:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




__webpack_require__(7181);
var anObject = __webpack_require__(6154);
var $flags = __webpack_require__(2188);
var DESCRIPTORS = __webpack_require__(4926);
var TO_STRING = 'toString';
var $toString = /./[TO_STRING];
var define = function define(fn) {
  __webpack_require__(7278)(RegExp.prototype, TO_STRING, fn, true);
};

// 21.2.5.14 RegExp.prototype.toString()
if (__webpack_require__(5810)(function () {
  return $toString.call({
    source: 'a',
    flags: 'b'
  }) != '/a/b';
})) {
  define(function toString() {
    var R = anObject(this);
    return '/'.concat(R.source, '/', 'flags' in R ? R.flags : !DESCRIPTORS && R instanceof RegExp ? $flags.call(R) : undefined);
  });
  // FF44- RegExp#toString has a wrong name
} else if ($toString.name != TO_STRING) {
  define(function toString() {
    return $toString.call(this);
  });
}

/***/ }),

/***/ 3940:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {




var strong = __webpack_require__(4396);
var validate = __webpack_require__(8546);
var SET = 'Set';

// 23.2 Set Objects
module.exports = __webpack_require__(1966)(SET, function (get) {
  return function Set() {
    return get(this, arguments.length > 0 ? arguments[0] : undefined);
  };
}, {
  // 23.2.3.1 Set.prototype.add(value)
  add: function add(value) {
    return strong.def(validate(this, SET), value = value === 0 ? 0 : value, value);
  }
}, strong);

/***/ }),

/***/ 9718:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




// B.2.3.2 String.prototype.anchor(name)
__webpack_require__(9927)('anchor', function (createHTML) {
  return function anchor(name) {
    return createHTML(this, 'a', 'name', name);
  };
});

/***/ }),

/***/ 3845:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




// B.2.3.3 String.prototype.big()
__webpack_require__(9927)('big', function (createHTML) {
  return function big() {
    return createHTML(this, 'big', '', '');
  };
});

/***/ }),

/***/ 5803:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




// B.2.3.4 String.prototype.blink()
__webpack_require__(9927)('blink', function (createHTML) {
  return function blink() {
    return createHTML(this, 'blink', '', '');
  };
});

/***/ }),

/***/ 2222:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




// B.2.3.5 String.prototype.bold()
__webpack_require__(9927)('bold', function (createHTML) {
  return function bold() {
    return createHTML(this, 'b', '', '');
  };
});

/***/ }),

/***/ 5281:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




var $export = __webpack_require__(5913);
var $at = __webpack_require__(3593)(false);
$export($export.P, 'String', {
  // 21.1.3.3 String.prototype.codePointAt(pos)
  codePointAt: function codePointAt(pos) {
    return $at(this, pos);
  }
});

/***/ }),

/***/ 3917:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {


// 21.1.3.6 String.prototype.endsWith(searchString [, endPosition])


var $export = __webpack_require__(5913);
var toLength = __webpack_require__(8315);
var context = __webpack_require__(2376);
var ENDS_WITH = 'endsWith';
var $endsWith = ''[ENDS_WITH];
$export($export.P + $export.F * __webpack_require__(3483)(ENDS_WITH), 'String', {
  endsWith: function endsWith(searchString /* , endPosition = @length */) {
    var that = context(this, searchString, ENDS_WITH);
    var endPosition = arguments.length > 1 ? arguments[1] : undefined;
    var len = toLength(that.length);
    var end = endPosition === undefined ? len : Math.min(toLength(endPosition), len);
    var search = String(searchString);
    return $endsWith ? $endsWith.call(that, search, end) : that.slice(end - search.length, end) === search;
  }
});

/***/ }),

/***/ 5036:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




// B.2.3.6 String.prototype.fixed()
__webpack_require__(9927)('fixed', function (createHTML) {
  return function fixed() {
    return createHTML(this, 'tt', '', '');
  };
});

/***/ }),

/***/ 6131:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




// B.2.3.7 String.prototype.fontcolor(color)
__webpack_require__(9927)('fontcolor', function (createHTML) {
  return function fontcolor(color) {
    return createHTML(this, 'font', 'color', color);
  };
});

/***/ }),

/***/ 4110:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




// B.2.3.8 String.prototype.fontsize(size)
__webpack_require__(9927)('fontsize', function (createHTML) {
  return function fontsize(size) {
    return createHTML(this, 'font', 'size', size);
  };
});

/***/ }),

/***/ 8577:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

var $export = __webpack_require__(5913);
var toAbsoluteIndex = __webpack_require__(6241);
var fromCharCode = String.fromCharCode;
var $fromCodePoint = String.fromCodePoint;

// length should be 1, old FF problem
$export($export.S + $export.F * (!!$fromCodePoint && $fromCodePoint.length != 1), 'String', {
  // 21.1.2.2 String.fromCodePoint(...codePoints)
  fromCodePoint: function fromCodePoint(x) {
    // eslint-disable-line no-unused-vars
    var res = [];
    var aLen = arguments.length;
    var i = 0;
    var code;
    while (aLen > i) {
      code = +arguments[i++];
      if (toAbsoluteIndex(code, 0x10ffff) !== code) throw RangeError(code + ' is not a valid code point');
      res.push(code < 0x10000 ? fromCharCode(code) : fromCharCode(((code -= 0x10000) >> 10) + 0xd800, code % 0x400 + 0xdc00));
    }
    return res.join('');
  }
});

/***/ }),

/***/ 5450:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {


// 21.1.3.7 String.prototype.includes(searchString, position = 0)


var $export = __webpack_require__(5913);
var context = __webpack_require__(2376);
var INCLUDES = 'includes';
$export($export.P + $export.F * __webpack_require__(3483)(INCLUDES), 'String', {
  includes: function includes(searchString /* , position = 0 */) {
    return !!~context(this, searchString, INCLUDES).indexOf(searchString, arguments.length > 1 ? arguments[1] : undefined);
  }
});

/***/ }),

/***/ 6235:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




// B.2.3.9 String.prototype.italics()
__webpack_require__(9927)('italics', function (createHTML) {
  return function italics() {
    return createHTML(this, 'i', '', '');
  };
});

/***/ }),

/***/ 6575:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




var $at = __webpack_require__(3593)(true);

// 21.1.3.27 String.prototype[@@iterator]()
__webpack_require__(4873)(String, 'String', function (iterated) {
  this._t = String(iterated); // target
  this._i = 0; // next index
  // 21.1.5.2.1 %StringIteratorPrototype%.next()
}, function () {
  var O = this._t;
  var index = this._i;
  var point;
  if (index >= O.length) return {
    value: undefined,
    done: true
  };
  point = $at(O, index);
  this._i += point.length;
  return {
    value: point,
    done: false
  };
});

/***/ }),

/***/ 6495:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




// B.2.3.10 String.prototype.link(url)
__webpack_require__(9927)('link', function (createHTML) {
  return function link(url) {
    return createHTML(this, 'a', 'href', url);
  };
});

/***/ }),

/***/ 7906:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

var $export = __webpack_require__(5913);
var toIObject = __webpack_require__(8499);
var toLength = __webpack_require__(8315);
$export($export.S, 'String', {
  // 21.1.2.4 String.raw(callSite, ...substitutions)
  raw: function raw(callSite) {
    var tpl = toIObject(callSite.raw);
    var len = toLength(tpl.length);
    var aLen = arguments.length;
    var res = [];
    var i = 0;
    while (len > i) {
      res.push(String(tpl[i++]));
      if (i < aLen) res.push(String(arguments[i]));
    }
    return res.join('');
  }
});

/***/ }),

/***/ 9449:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

var $export = __webpack_require__(5913);
$export($export.P, 'String', {
  // 21.1.3.13 String.prototype.repeat(count)
  repeat: __webpack_require__(1924)
});

/***/ }),

/***/ 4162:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




// B.2.3.11 String.prototype.small()
__webpack_require__(9927)('small', function (createHTML) {
  return function small() {
    return createHTML(this, 'small', '', '');
  };
});

/***/ }),

/***/ 1616:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {


// 21.1.3.18 String.prototype.startsWith(searchString [, position ])


var $export = __webpack_require__(5913);
var toLength = __webpack_require__(8315);
var context = __webpack_require__(2376);
var STARTS_WITH = 'startsWith';
var $startsWith = ''[STARTS_WITH];
$export($export.P + $export.F * __webpack_require__(3483)(STARTS_WITH), 'String', {
  startsWith: function startsWith(searchString /* , position = 0 */) {
    var that = context(this, searchString, STARTS_WITH);
    var index = toLength(Math.min(arguments.length > 1 ? arguments[1] : undefined, that.length));
    var search = String(searchString);
    return $startsWith ? $startsWith.call(that, search, index) : that.slice(index, index + search.length) === search;
  }
});

/***/ }),

/***/ 5297:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




// B.2.3.12 String.prototype.strike()
__webpack_require__(9927)('strike', function (createHTML) {
  return function strike() {
    return createHTML(this, 'strike', '', '');
  };
});

/***/ }),

/***/ 1466:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




// B.2.3.13 String.prototype.sub()
__webpack_require__(9927)('sub', function (createHTML) {
  return function sub() {
    return createHTML(this, 'sub', '', '');
  };
});

/***/ }),

/***/ 2581:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




// B.2.3.14 String.prototype.sup()
__webpack_require__(9927)('sup', function (createHTML) {
  return function sup() {
    return createHTML(this, 'sup', '', '');
  };
});

/***/ }),

/***/ 8587:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




// 21.1.3.25 String.prototype.trim()
__webpack_require__(618)('trim', function ($trim) {
  return function trim() {
    return $trim(this, 3);
  };
});

/***/ }),

/***/ 2403:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




// ECMAScript 6 symbols shim
function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
var global = __webpack_require__(7381);
var has = __webpack_require__(5389);
var DESCRIPTORS = __webpack_require__(4926);
var $export = __webpack_require__(5913);
var redefine = __webpack_require__(7278);
var META = (__webpack_require__(3763).KEY);
var $fails = __webpack_require__(5810);
var shared = __webpack_require__(3192);
var setToStringTag = __webpack_require__(8094);
var uid = __webpack_require__(7936);
var wks = __webpack_require__(3336);
var wksExt = __webpack_require__(9078);
var wksDefine = __webpack_require__(5721);
var enumKeys = __webpack_require__(8727);
var isArray = __webpack_require__(1320);
var anObject = __webpack_require__(6154);
var isObject = __webpack_require__(7156);
var toObject = __webpack_require__(2515);
var toIObject = __webpack_require__(8499);
var toPrimitive = __webpack_require__(8537);
var createDesc = __webpack_require__(6256);
var _create = __webpack_require__(4275);
var gOPNExt = __webpack_require__(3136);
var $GOPD = __webpack_require__(3299);
var $GOPS = __webpack_require__(5421);
var $DP = __webpack_require__(4835);
var $keys = __webpack_require__(9924);
var gOPD = $GOPD.f;
var dP = $DP.f;
var gOPN = gOPNExt.f;
var $Symbol = global.Symbol;
var $JSON = global.JSON;
var _stringify = $JSON && $JSON.stringify;
var PROTOTYPE = 'prototype';
var HIDDEN = wks('_hidden');
var TO_PRIMITIVE = wks('toPrimitive');
var isEnum = {}.propertyIsEnumerable;
var SymbolRegistry = shared('symbol-registry');
var AllSymbols = shared('symbols');
var OPSymbols = shared('op-symbols');
var ObjectProto = Object[PROTOTYPE];
var USE_NATIVE = typeof $Symbol == 'function' && !!$GOPS.f;
var QObject = global.QObject;
// Don't use setters in Qt Script, https://github.com/zloirock/core-js/issues/173
var setter = !QObject || !QObject[PROTOTYPE] || !QObject[PROTOTYPE].findChild;

// fallback for old Android, https://code.google.com/p/v8/issues/detail?id=687
var setSymbolDesc = DESCRIPTORS && $fails(function () {
  return _create(dP({}, 'a', {
    get: function get() {
      return dP(this, 'a', {
        value: 7
      }).a;
    }
  })).a != 7;
}) ? function (it, key, D) {
  var protoDesc = gOPD(ObjectProto, key);
  if (protoDesc) delete ObjectProto[key];
  dP(it, key, D);
  if (protoDesc && it !== ObjectProto) dP(ObjectProto, key, protoDesc);
} : dP;
var wrap = function wrap(tag) {
  var sym = AllSymbols[tag] = _create($Symbol[PROTOTYPE]);
  sym._k = tag;
  return sym;
};
var isSymbol = USE_NATIVE && _typeof($Symbol.iterator) == 'symbol' ? function (it) {
  return _typeof(it) == 'symbol';
} : function (it) {
  return it instanceof $Symbol;
};
var $defineProperty = function defineProperty(it, key, D) {
  if (it === ObjectProto) $defineProperty(OPSymbols, key, D);
  anObject(it);
  key = toPrimitive(key, true);
  anObject(D);
  if (has(AllSymbols, key)) {
    if (!D.enumerable) {
      if (!has(it, HIDDEN)) dP(it, HIDDEN, createDesc(1, {}));
      it[HIDDEN][key] = true;
    } else {
      if (has(it, HIDDEN) && it[HIDDEN][key]) it[HIDDEN][key] = false;
      D = _create(D, {
        enumerable: createDesc(0, false)
      });
    }
    return setSymbolDesc(it, key, D);
  }
  return dP(it, key, D);
};
var $defineProperties = function defineProperties(it, P) {
  anObject(it);
  var keys = enumKeys(P = toIObject(P));
  var i = 0;
  var l = keys.length;
  var key;
  while (l > i) $defineProperty(it, key = keys[i++], P[key]);
  return it;
};
var $create = function create(it, P) {
  return P === undefined ? _create(it) : $defineProperties(_create(it), P);
};
var $propertyIsEnumerable = function propertyIsEnumerable(key) {
  var E = isEnum.call(this, key = toPrimitive(key, true));
  if (this === ObjectProto && has(AllSymbols, key) && !has(OPSymbols, key)) return false;
  return E || !has(this, key) || !has(AllSymbols, key) || has(this, HIDDEN) && this[HIDDEN][key] ? E : true;
};
var $getOwnPropertyDescriptor = function getOwnPropertyDescriptor(it, key) {
  it = toIObject(it);
  key = toPrimitive(key, true);
  if (it === ObjectProto && has(AllSymbols, key) && !has(OPSymbols, key)) return;
  var D = gOPD(it, key);
  if (D && has(AllSymbols, key) && !(has(it, HIDDEN) && it[HIDDEN][key])) D.enumerable = true;
  return D;
};
var $getOwnPropertyNames = function getOwnPropertyNames(it) {
  var names = gOPN(toIObject(it));
  var result = [];
  var i = 0;
  var key;
  while (names.length > i) {
    if (!has(AllSymbols, key = names[i++]) && key != HIDDEN && key != META) result.push(key);
  }
  return result;
};
var $getOwnPropertySymbols = function getOwnPropertySymbols(it) {
  var IS_OP = it === ObjectProto;
  var names = gOPN(IS_OP ? OPSymbols : toIObject(it));
  var result = [];
  var i = 0;
  var key;
  while (names.length > i) {
    if (has(AllSymbols, key = names[i++]) && (IS_OP ? has(ObjectProto, key) : true)) result.push(AllSymbols[key]);
  }
  return result;
};

// 19.4.1.1 Symbol([description])
if (!USE_NATIVE) {
  $Symbol = function _Symbol() {
    if (this instanceof $Symbol) throw TypeError('Symbol is not a constructor!');
    var tag = uid(arguments.length > 0 ? arguments[0] : undefined);
    var $set = function $set(value) {
      if (this === ObjectProto) $set.call(OPSymbols, value);
      if (has(this, HIDDEN) && has(this[HIDDEN], tag)) this[HIDDEN][tag] = false;
      setSymbolDesc(this, tag, createDesc(1, value));
    };
    if (DESCRIPTORS && setter) setSymbolDesc(ObjectProto, tag, {
      configurable: true,
      set: $set
    });
    return wrap(tag);
  };
  redefine($Symbol[PROTOTYPE], 'toString', function toString() {
    return this._k;
  });
  $GOPD.f = $getOwnPropertyDescriptor;
  $DP.f = $defineProperty;
  (__webpack_require__(2982).f) = gOPNExt.f = $getOwnPropertyNames;
  (__webpack_require__(4616).f) = $propertyIsEnumerable;
  $GOPS.f = $getOwnPropertySymbols;
  if (DESCRIPTORS && !__webpack_require__(4219)) {
    redefine(ObjectProto, 'propertyIsEnumerable', $propertyIsEnumerable, true);
  }
  wksExt.f = function (name) {
    return wrap(wks(name));
  };
}
$export($export.G + $export.W + $export.F * !USE_NATIVE, {
  Symbol: $Symbol
});
for (var es6Symbols =
  // 19.4.2.2, 19.4.2.3, 19.4.2.4, 19.4.2.6, 19.4.2.8, 19.4.2.9, 19.4.2.10, 19.4.2.11, 19.4.2.12, 19.4.2.13, 19.4.2.14
  'hasInstance,isConcatSpreadable,iterator,match,replace,search,species,split,toPrimitive,toStringTag,unscopables'.split(','), j = 0; es6Symbols.length > j;) wks(es6Symbols[j++]);
for (var wellKnownSymbols = $keys(wks.store), k = 0; wellKnownSymbols.length > k;) wksDefine(wellKnownSymbols[k++]);
$export($export.S + $export.F * !USE_NATIVE, 'Symbol', {
  // 19.4.2.1 Symbol.for(key)
  'for': function _for(key) {
    return has(SymbolRegistry, key += '') ? SymbolRegistry[key] : SymbolRegistry[key] = $Symbol(key);
  },
  // 19.4.2.5 Symbol.keyFor(sym)
  keyFor: function keyFor(sym) {
    if (!isSymbol(sym)) throw TypeError(sym + ' is not a symbol!');
    for (var key in SymbolRegistry) if (SymbolRegistry[key] === sym) return key;
  },
  useSetter: function useSetter() {
    setter = true;
  },
  useSimple: function useSimple() {
    setter = false;
  }
});
$export($export.S + $export.F * !USE_NATIVE, 'Object', {
  // 19.1.2.2 Object.create(O [, Properties])
  create: $create,
  // 19.1.2.4 Object.defineProperty(O, P, Attributes)
  defineProperty: $defineProperty,
  // 19.1.2.3 Object.defineProperties(O, Properties)
  defineProperties: $defineProperties,
  // 19.1.2.6 Object.getOwnPropertyDescriptor(O, P)
  getOwnPropertyDescriptor: $getOwnPropertyDescriptor,
  // 19.1.2.7 Object.getOwnPropertyNames(O)
  getOwnPropertyNames: $getOwnPropertyNames,
  // 19.1.2.8 Object.getOwnPropertySymbols(O)
  getOwnPropertySymbols: $getOwnPropertySymbols
});

// Chrome 38 and 39 `Object.getOwnPropertySymbols` fails on primitives
// https://bugs.chromium.org/p/v8/issues/detail?id=3443
var FAILS_ON_PRIMITIVES = $fails(function () {
  $GOPS.f(1);
});
$export($export.S + $export.F * FAILS_ON_PRIMITIVES, 'Object', {
  getOwnPropertySymbols: function getOwnPropertySymbols(it) {
    return $GOPS.f(toObject(it));
  }
});

// 24.3.2 JSON.stringify(value [, replacer [, space]])
$JSON && $export($export.S + $export.F * (!USE_NATIVE || $fails(function () {
  var S = $Symbol();
  // MS Edge converts symbol values to JSON as {}
  // WebKit converts symbol values to JSON as null
  // V8 throws on boxed symbols
  return _stringify([S]) != '[null]' || _stringify({
    a: S
  }) != '{}' || _stringify(Object(S)) != '{}';
})), 'JSON', {
  stringify: function stringify(it) {
    var args = [it];
    var i = 1;
    var replacer, $replacer;
    while (arguments.length > i) args.push(arguments[i++]);
    $replacer = replacer = args[1];
    if (!isObject(replacer) && it === undefined || isSymbol(it)) return; // IE8 returns string on undefined
    if (!isArray(replacer)) replacer = function replacer(key, value) {
      if (typeof $replacer == 'function') value = $replacer.call(this, key, value);
      if (!isSymbol(value)) return value;
    };
    args[1] = replacer;
    return _stringify.apply($JSON, args);
  }
});

// 19.4.3.4 Symbol.prototype[@@toPrimitive](hint)
$Symbol[PROTOTYPE][TO_PRIMITIVE] || __webpack_require__(8012)($Symbol[PROTOTYPE], TO_PRIMITIVE, $Symbol[PROTOTYPE].valueOf);
// 19.4.3.5 Symbol.prototype[@@toStringTag]
setToStringTag($Symbol, 'Symbol');
// 20.2.1.9 Math[@@toStringTag]
setToStringTag(Math, 'Math', true);
// 24.3.3 JSON[@@toStringTag]
setToStringTag(global.JSON, 'JSON', true);

/***/ }),

/***/ 7195:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




var $export = __webpack_require__(5913);
var $typed = __webpack_require__(9161);
var buffer = __webpack_require__(9782);
var anObject = __webpack_require__(6154);
var toAbsoluteIndex = __webpack_require__(6241);
var toLength = __webpack_require__(8315);
var isObject = __webpack_require__(7156);
var ArrayBuffer = (__webpack_require__(7381).ArrayBuffer);
var speciesConstructor = __webpack_require__(2035);
var $ArrayBuffer = buffer.ArrayBuffer;
var $DataView = buffer.DataView;
var $isView = $typed.ABV && ArrayBuffer.isView;
var $slice = $ArrayBuffer.prototype.slice;
var VIEW = $typed.VIEW;
var ARRAY_BUFFER = 'ArrayBuffer';
$export($export.G + $export.W + $export.F * (ArrayBuffer !== $ArrayBuffer), {
  ArrayBuffer: $ArrayBuffer
});
$export($export.S + $export.F * !$typed.CONSTR, ARRAY_BUFFER, {
  // 24.1.3.1 ArrayBuffer.isView(arg)
  isView: function isView(it) {
    return $isView && $isView(it) || isObject(it) && VIEW in it;
  }
});
$export($export.P + $export.U + $export.F * __webpack_require__(5810)(function () {
  return !new $ArrayBuffer(2).slice(1, undefined).byteLength;
}), ARRAY_BUFFER, {
  // 24.1.4.3 ArrayBuffer.prototype.slice(start, end)
  slice: function slice(start, end) {
    if ($slice !== undefined && end === undefined) return $slice.call(anObject(this), start); // FF fix
    var len = anObject(this).byteLength;
    var first = toAbsoluteIndex(start, len);
    var fin = toAbsoluteIndex(end === undefined ? len : end, len);
    var result = new (speciesConstructor(this, $ArrayBuffer))(toLength(fin - first));
    var viewS = new $DataView(this);
    var viewT = new $DataView(result);
    var index = 0;
    while (first < fin) {
      viewT.setUint8(index++, viewS.getUint8(first++));
    }
    return result;
  }
});
__webpack_require__(4798)(ARRAY_BUFFER);

/***/ }),

/***/ 5345:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

var $export = __webpack_require__(5913);
$export($export.G + $export.W + $export.F * !(__webpack_require__(9161).ABV), {
  DataView: (__webpack_require__(9782).DataView)
});

/***/ }),

/***/ 8824:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

__webpack_require__(431)('Float32', 4, function (init) {
  return function Float32Array(data, byteOffset, length) {
    return init(this, data, byteOffset, length);
  };
});

/***/ }),

/***/ 6472:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

__webpack_require__(431)('Float64', 8, function (init) {
  return function Float64Array(data, byteOffset, length) {
    return init(this, data, byteOffset, length);
  };
});

/***/ }),

/***/ 7683:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

__webpack_require__(431)('Int16', 2, function (init) {
  return function Int16Array(data, byteOffset, length) {
    return init(this, data, byteOffset, length);
  };
});

/***/ }),

/***/ 4797:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

__webpack_require__(431)('Int32', 4, function (init) {
  return function Int32Array(data, byteOffset, length) {
    return init(this, data, byteOffset, length);
  };
});

/***/ }),

/***/ 6670:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

__webpack_require__(431)('Int8', 1, function (init) {
  return function Int8Array(data, byteOffset, length) {
    return init(this, data, byteOffset, length);
  };
});

/***/ }),

/***/ 1123:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

__webpack_require__(431)('Uint16', 2, function (init) {
  return function Uint16Array(data, byteOffset, length) {
    return init(this, data, byteOffset, length);
  };
});

/***/ }),

/***/ 4871:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

__webpack_require__(431)('Uint32', 4, function (init) {
  return function Uint32Array(data, byteOffset, length) {
    return init(this, data, byteOffset, length);
  };
});

/***/ }),

/***/ 7736:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

__webpack_require__(431)('Uint8', 1, function (init) {
  return function Uint8Array(data, byteOffset, length) {
    return init(this, data, byteOffset, length);
  };
});

/***/ }),

/***/ 4457:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

__webpack_require__(431)('Uint8', 1, function (init) {
  return function Uint8ClampedArray(data, byteOffset, length) {
    return init(this, data, byteOffset, length);
  };
}, true);

/***/ }),

/***/ 3491:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {




var global = __webpack_require__(7381);
var each = __webpack_require__(3970)(0);
var redefine = __webpack_require__(7278);
var meta = __webpack_require__(3763);
var assign = __webpack_require__(8559);
var weak = __webpack_require__(4495);
var isObject = __webpack_require__(7156);
var validate = __webpack_require__(8546);
var NATIVE_WEAK_MAP = __webpack_require__(8546);
var IS_IE11 = !global.ActiveXObject && 'ActiveXObject' in global;
var WEAK_MAP = 'WeakMap';
var getWeak = meta.getWeak;
var isExtensible = Object.isExtensible;
var uncaughtFrozenStore = weak.ufstore;
var InternalMap;
var wrapper = function wrapper(get) {
  return function WeakMap() {
    return get(this, arguments.length > 0 ? arguments[0] : undefined);
  };
};
var methods = {
  // 23.3.3.3 WeakMap.prototype.get(key)
  get: function get(key) {
    if (isObject(key)) {
      var data = getWeak(key);
      if (data === true) return uncaughtFrozenStore(validate(this, WEAK_MAP)).get(key);
      return data ? data[this._i] : undefined;
    }
  },
  // 23.3.3.5 WeakMap.prototype.set(key, value)
  set: function set(key, value) {
    return weak.def(validate(this, WEAK_MAP), key, value);
  }
};

// 23.3 WeakMap Objects
var $WeakMap = module.exports = __webpack_require__(1966)(WEAK_MAP, wrapper, methods, weak, true, true);

// IE11 WeakMap frozen keys fix
if (NATIVE_WEAK_MAP && IS_IE11) {
  InternalMap = weak.getConstructor(wrapper, WEAK_MAP);
  assign(InternalMap.prototype, methods);
  meta.NEED = true;
  each(['delete', 'has', 'get', 'set'], function (key) {
    var proto = $WeakMap.prototype;
    var method = proto[key];
    redefine(proto, key, function (a, b) {
      // store frozen objects on internal weakmap shim
      if (isObject(a) && !isExtensible(a)) {
        if (!this._f) this._f = new InternalMap();
        var result = this._f[key](a, b);
        return key == 'set' ? this : result;
        // store all the rest on native weakmap
      }
      return method.call(this, a, b);
    });
  });
}

/***/ }),

/***/ 6332:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




var weak = __webpack_require__(4495);
var validate = __webpack_require__(8546);
var WEAK_SET = 'WeakSet';

// 23.4 WeakSet Objects
__webpack_require__(1966)(WEAK_SET, function (get) {
  return function WeakSet() {
    return get(this, arguments.length > 0 ? arguments[0] : undefined);
  };
}, {
  // 23.4.3.1 WeakSet.prototype.add(value)
  add: function add(value) {
    return weak.def(validate(this, WEAK_SET), value, true);
  }
}, weak, false, true);

/***/ }),

/***/ 6032:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




// https://tc39.github.io/proposal-flatMap/#sec-Array.prototype.flatMap
var $export = __webpack_require__(5913);
var flattenIntoArray = __webpack_require__(3120);
var toObject = __webpack_require__(2515);
var toLength = __webpack_require__(8315);
var aFunction = __webpack_require__(6819);
var arraySpeciesCreate = __webpack_require__(5486);
$export($export.P, 'Array', {
  flatMap: function flatMap(callbackfn /* , thisArg */) {
    var O = toObject(this);
    var sourceLen, A;
    aFunction(callbackfn);
    sourceLen = toLength(O.length);
    A = arraySpeciesCreate(O, 0);
    flattenIntoArray(A, O, O, sourceLen, 0, 1, callbackfn, arguments[1]);
    return A;
  }
});
__webpack_require__(4339)('flatMap');

/***/ }),

/***/ 732:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




// https://tc39.github.io/proposal-flatMap/#sec-Array.prototype.flatten
var $export = __webpack_require__(5913);
var flattenIntoArray = __webpack_require__(3120);
var toObject = __webpack_require__(2515);
var toLength = __webpack_require__(8315);
var toInteger = __webpack_require__(3230);
var arraySpeciesCreate = __webpack_require__(5486);
$export($export.P, 'Array', {
  flatten: function flatten( /* depthArg = 1 */
  ) {
    var depthArg = arguments[0];
    var O = toObject(this);
    var sourceLen = toLength(O.length);
    var A = arraySpeciesCreate(O, 0);
    flattenIntoArray(A, O, O, sourceLen, 0, depthArg === undefined ? 1 : toInteger(depthArg));
    return A;
  }
});
__webpack_require__(4339)('flatten');

/***/ }),

/***/ 2963:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




// https://github.com/tc39/Array.prototype.includes
var $export = __webpack_require__(5913);
var $includes = __webpack_require__(4687)(true);
$export($export.P, 'Array', {
  includes: function includes(el /* , fromIndex = 0 */) {
    return $includes(this, el, arguments.length > 1 ? arguments[1] : undefined);
  }
});
__webpack_require__(4339)('includes');

/***/ }),

/***/ 6321:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// https://github.com/rwaldron/tc39-notes/blob/master/es6/2014-09/sept-25.md#510-globalasap-for-enqueuing-a-microtask
var $export = __webpack_require__(5913);
var microtask = __webpack_require__(1842)();
var process = (__webpack_require__(7381).process);
var isNode = __webpack_require__(3679)(process) == 'process';
$export($export.G, {
  asap: function asap(fn) {
    var domain = isNode && process.domain;
    microtask(domain ? domain.bind(fn) : fn);
  }
});

/***/ }),

/***/ 7469:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// https://github.com/ljharb/proposal-is-error
var $export = __webpack_require__(5913);
var cof = __webpack_require__(3679);
$export($export.S, 'Error', {
  isError: function isError(it) {
    return cof(it) === 'Error';
  }
});

/***/ }),

/***/ 6426:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// https://github.com/tc39/proposal-global
var $export = __webpack_require__(5913);
$export($export.G, {
  global: __webpack_require__(7381)
});

/***/ }),

/***/ 3591:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// https://tc39.github.io/proposal-setmap-offrom/#sec-map.from
__webpack_require__(7598)('Map');

/***/ }),

/***/ 9992:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// https://tc39.github.io/proposal-setmap-offrom/#sec-map.of
__webpack_require__(5329)('Map');

/***/ }),

/***/ 8455:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// https://github.com/DavidBruant/Map-Set.prototype.toJSON
var $export = __webpack_require__(5913);
$export($export.P + $export.R, 'Map', {
  toJSON: __webpack_require__(1872)('Map')
});

/***/ }),

/***/ 4097:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// https://rwaldron.github.io/proposal-math-extensions/
var $export = __webpack_require__(5913);
$export($export.S, 'Math', {
  clamp: function clamp(x, lower, upper) {
    return Math.min(upper, Math.max(lower, x));
  }
});

/***/ }),

/***/ 5813:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// https://rwaldron.github.io/proposal-math-extensions/
var $export = __webpack_require__(5913);
$export($export.S, 'Math', {
  DEG_PER_RAD: Math.PI / 180
});

/***/ }),

/***/ 7245:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// https://rwaldron.github.io/proposal-math-extensions/
var $export = __webpack_require__(5913);
var RAD_PER_DEG = 180 / Math.PI;
$export($export.S, 'Math', {
  degrees: function degrees(radians) {
    return radians * RAD_PER_DEG;
  }
});

/***/ }),

/***/ 6756:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// https://rwaldron.github.io/proposal-math-extensions/
var $export = __webpack_require__(5913);
var scale = __webpack_require__(8124);
var fround = __webpack_require__(3800);
$export($export.S, 'Math', {
  fscale: function fscale(x, inLow, inHigh, outLow, outHigh) {
    return fround(scale(x, inLow, inHigh, outLow, outHigh));
  }
});

/***/ }),

/***/ 8392:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// https://gist.github.com/BrendanEich/4294d5c212a6d2254703
var $export = __webpack_require__(5913);
$export($export.S, 'Math', {
  iaddh: function iaddh(x0, x1, y0, y1) {
    var $x0 = x0 >>> 0;
    var $x1 = x1 >>> 0;
    var $y0 = y0 >>> 0;
    return $x1 + (y1 >>> 0) + (($x0 & $y0 | ($x0 | $y0) & ~($x0 + $y0 >>> 0)) >>> 31) | 0;
  }
});

/***/ }),

/***/ 3735:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// https://gist.github.com/BrendanEich/4294d5c212a6d2254703
var $export = __webpack_require__(5913);
$export($export.S, 'Math', {
  imulh: function imulh(u, v) {
    var UINT16 = 0xffff;
    var $u = +u;
    var $v = +v;
    var u0 = $u & UINT16;
    var v0 = $v & UINT16;
    var u1 = $u >> 16;
    var v1 = $v >> 16;
    var t = (u1 * v0 >>> 0) + (u0 * v0 >>> 16);
    return u1 * v1 + (t >> 16) + ((u0 * v1 >>> 0) + (t & UINT16) >> 16);
  }
});

/***/ }),

/***/ 1111:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// https://gist.github.com/BrendanEich/4294d5c212a6d2254703
var $export = __webpack_require__(5913);
$export($export.S, 'Math', {
  isubh: function isubh(x0, x1, y0, y1) {
    var $x0 = x0 >>> 0;
    var $x1 = x1 >>> 0;
    var $y0 = y0 >>> 0;
    return $x1 - (y1 >>> 0) - ((~$x0 & $y0 | ~($x0 ^ $y0) & $x0 - $y0 >>> 0) >>> 31) | 0;
  }
});

/***/ }),

/***/ 3037:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// https://rwaldron.github.io/proposal-math-extensions/
var $export = __webpack_require__(5913);
$export($export.S, 'Math', {
  RAD_PER_DEG: 180 / Math.PI
});

/***/ }),

/***/ 8422:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// https://rwaldron.github.io/proposal-math-extensions/
var $export = __webpack_require__(5913);
var DEG_PER_RAD = Math.PI / 180;
$export($export.S, 'Math', {
  radians: function radians(degrees) {
    return degrees * DEG_PER_RAD;
  }
});

/***/ }),

/***/ 1818:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// https://rwaldron.github.io/proposal-math-extensions/
var $export = __webpack_require__(5913);
$export($export.S, 'Math', {
  scale: __webpack_require__(8124)
});

/***/ }),

/***/ 7371:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// http://jfbastien.github.io/papers/Math.signbit.html
var $export = __webpack_require__(5913);
$export($export.S, 'Math', {
  signbit: function signbit(x) {
    // eslint-disable-next-line no-self-compare
    return (x = +x) != x ? x : x == 0 ? 1 / x == Infinity : x > 0;
  }
});

/***/ }),

/***/ 7883:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// https://gist.github.com/BrendanEich/4294d5c212a6d2254703
var $export = __webpack_require__(5913);
$export($export.S, 'Math', {
  umulh: function umulh(u, v) {
    var UINT16 = 0xffff;
    var $u = +u;
    var $v = +v;
    var u0 = $u & UINT16;
    var v0 = $v & UINT16;
    var u1 = $u >>> 16;
    var v1 = $v >>> 16;
    var t = (u1 * v0 >>> 0) + (u0 * v0 >>> 16);
    return u1 * v1 + (t >>> 16) + ((u0 * v1 >>> 0) + (t & UINT16) >>> 16);
  }
});

/***/ }),

/***/ 6792:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




var $export = __webpack_require__(5913);
var toObject = __webpack_require__(2515);
var aFunction = __webpack_require__(6819);
var $defineProperty = __webpack_require__(4835);

// B.2.2.2 Object.prototype.__defineGetter__(P, getter)
__webpack_require__(4926) && $export($export.P + __webpack_require__(8249), 'Object', {
  __defineGetter__: function __defineGetter__(P, getter) {
    $defineProperty.f(toObject(this), P, {
      get: aFunction(getter),
      enumerable: true,
      configurable: true
    });
  }
});

/***/ }),

/***/ 88:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




var $export = __webpack_require__(5913);
var toObject = __webpack_require__(2515);
var aFunction = __webpack_require__(6819);
var $defineProperty = __webpack_require__(4835);

// B.2.2.3 Object.prototype.__defineSetter__(P, setter)
__webpack_require__(4926) && $export($export.P + __webpack_require__(8249), 'Object', {
  __defineSetter__: function __defineSetter__(P, setter) {
    $defineProperty.f(toObject(this), P, {
      set: aFunction(setter),
      enumerable: true,
      configurable: true
    });
  }
});

/***/ }),

/***/ 8217:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// https://github.com/tc39/proposal-object-values-entries
var $export = __webpack_require__(5913);
var $entries = __webpack_require__(8941)(true);
$export($export.S, 'Object', {
  entries: function entries(it) {
    return $entries(it);
  }
});

/***/ }),

/***/ 9168:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// https://github.com/tc39/proposal-object-getownpropertydescriptors
var $export = __webpack_require__(5913);
var ownKeys = __webpack_require__(2600);
var toIObject = __webpack_require__(8499);
var gOPD = __webpack_require__(3299);
var createProperty = __webpack_require__(1348);
$export($export.S, 'Object', {
  getOwnPropertyDescriptors: function getOwnPropertyDescriptors(object) {
    var O = toIObject(object);
    var getDesc = gOPD.f;
    var keys = ownKeys(O);
    var result = {};
    var i = 0;
    var key, desc;
    while (keys.length > i) {
      desc = getDesc(O, key = keys[i++]);
      if (desc !== undefined) createProperty(result, key, desc);
    }
    return result;
  }
});

/***/ }),

/***/ 2095:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




var $export = __webpack_require__(5913);
var toObject = __webpack_require__(2515);
var toPrimitive = __webpack_require__(8537);
var getPrototypeOf = __webpack_require__(4153);
var getOwnPropertyDescriptor = (__webpack_require__(3299).f);

// B.2.2.4 Object.prototype.__lookupGetter__(P)
__webpack_require__(4926) && $export($export.P + __webpack_require__(8249), 'Object', {
  __lookupGetter__: function __lookupGetter__(P) {
    var O = toObject(this);
    var K = toPrimitive(P, true);
    var D;
    do {
      if (D = getOwnPropertyDescriptor(O, K)) return D.get;
    } while (O = getPrototypeOf(O));
  }
});

/***/ }),

/***/ 2889:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




var $export = __webpack_require__(5913);
var toObject = __webpack_require__(2515);
var toPrimitive = __webpack_require__(8537);
var getPrototypeOf = __webpack_require__(4153);
var getOwnPropertyDescriptor = (__webpack_require__(3299).f);

// B.2.2.5 Object.prototype.__lookupSetter__(P)
__webpack_require__(4926) && $export($export.P + __webpack_require__(8249), 'Object', {
  __lookupSetter__: function __lookupSetter__(P) {
    var O = toObject(this);
    var K = toPrimitive(P, true);
    var D;
    do {
      if (D = getOwnPropertyDescriptor(O, K)) return D.set;
    } while (O = getPrototypeOf(O));
  }
});

/***/ }),

/***/ 6351:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// https://github.com/tc39/proposal-object-values-entries
var $export = __webpack_require__(5913);
var $values = __webpack_require__(8941)(false);
$export($export.S, 'Object', {
  values: function values(it) {
    return $values(it);
  }
});

/***/ }),

/***/ 5613:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




// https://github.com/zenparsing/es-observable
var $export = __webpack_require__(5913);
var global = __webpack_require__(7381);
var core = __webpack_require__(8544);
var microtask = __webpack_require__(1842)();
var OBSERVABLE = __webpack_require__(3336)('observable');
var aFunction = __webpack_require__(6819);
var anObject = __webpack_require__(6154);
var anInstance = __webpack_require__(2702);
var redefineAll = __webpack_require__(7228);
var hide = __webpack_require__(8012);
var forOf = __webpack_require__(2734);
var RETURN = forOf.RETURN;
var getMethod = function getMethod(fn) {
  return fn == null ? undefined : aFunction(fn);
};
var cleanupSubscription = function cleanupSubscription(subscription) {
  var cleanup = subscription._c;
  if (cleanup) {
    subscription._c = undefined;
    cleanup();
  }
};
var subscriptionClosed = function subscriptionClosed(subscription) {
  return subscription._o === undefined;
};
var closeSubscription = function closeSubscription(subscription) {
  if (!subscriptionClosed(subscription)) {
    subscription._o = undefined;
    cleanupSubscription(subscription);
  }
};
var Subscription = function Subscription(observer, subscriber) {
  anObject(observer);
  this._c = undefined;
  this._o = observer;
  observer = new SubscriptionObserver(this);
  try {
    var cleanup = subscriber(observer);
    var subscription = cleanup;
    if (cleanup != null) {
      if (typeof cleanup.unsubscribe === 'function') cleanup = function cleanup() {
        subscription.unsubscribe();
      };else aFunction(cleanup);
      this._c = cleanup;
    }
  } catch (e) {
    observer.error(e);
    return;
  }
  if (subscriptionClosed(this)) cleanupSubscription(this);
};
Subscription.prototype = redefineAll({}, {
  unsubscribe: function unsubscribe() {
    closeSubscription(this);
  }
});
var SubscriptionObserver = function SubscriptionObserver(subscription) {
  this._s = subscription;
};
SubscriptionObserver.prototype = redefineAll({}, {
  next: function next(value) {
    var subscription = this._s;
    if (!subscriptionClosed(subscription)) {
      var observer = subscription._o;
      try {
        var m = getMethod(observer.next);
        if (m) return m.call(observer, value);
      } catch (e) {
        try {
          closeSubscription(subscription);
        } finally {
          throw e;
        }
      }
    }
  },
  error: function error(value) {
    var subscription = this._s;
    if (subscriptionClosed(subscription)) throw value;
    var observer = subscription._o;
    subscription._o = undefined;
    try {
      var m = getMethod(observer.error);
      if (!m) throw value;
      value = m.call(observer, value);
    } catch (e) {
      try {
        cleanupSubscription(subscription);
      } finally {
        throw e;
      }
    }
    cleanupSubscription(subscription);
    return value;
  },
  complete: function complete(value) {
    var subscription = this._s;
    if (!subscriptionClosed(subscription)) {
      var observer = subscription._o;
      subscription._o = undefined;
      try {
        var m = getMethod(observer.complete);
        value = m ? m.call(observer, value) : undefined;
      } catch (e) {
        try {
          cleanupSubscription(subscription);
        } finally {
          throw e;
        }
      }
      cleanupSubscription(subscription);
      return value;
    }
  }
});
var $Observable = function Observable(subscriber) {
  anInstance(this, $Observable, 'Observable', '_f')._f = aFunction(subscriber);
};
redefineAll($Observable.prototype, {
  subscribe: function subscribe(observer) {
    return new Subscription(observer, this._f);
  },
  forEach: function forEach(fn) {
    var that = this;
    return new (core.Promise || global.Promise)(function (resolve, reject) {
      aFunction(fn);
      var subscription = that.subscribe({
        next: function next(value) {
          try {
            return fn(value);
          } catch (e) {
            reject(e);
            subscription.unsubscribe();
          }
        },
        error: reject,
        complete: resolve
      });
    });
  }
});
redefineAll($Observable, {
  from: function from(x) {
    var C = typeof this === 'function' ? this : $Observable;
    var method = getMethod(anObject(x)[OBSERVABLE]);
    if (method) {
      var observable = anObject(method.call(x));
      return observable.constructor === C ? observable : new C(function (observer) {
        return observable.subscribe(observer);
      });
    }
    return new C(function (observer) {
      var done = false;
      microtask(function () {
        if (!done) {
          try {
            if (forOf(x, false, function (it) {
              observer.next(it);
              if (done) return RETURN;
            }) === RETURN) return;
          } catch (e) {
            if (done) throw e;
            observer.error(e);
            return;
          }
          observer.complete();
        }
      });
      return function () {
        done = true;
      };
    });
  },
  of: function of() {
    for (var i = 0, l = arguments.length, items = new Array(l); i < l;) items[i] = arguments[i++];
    return new (typeof this === 'function' ? this : $Observable)(function (observer) {
      var done = false;
      microtask(function () {
        if (!done) {
          for (var j = 0; j < items.length; ++j) {
            observer.next(items[j]);
            if (done) return;
          }
          observer.complete();
        }
      });
      return function () {
        done = true;
      };
    });
  }
});
hide($Observable.prototype, OBSERVABLE, function () {
  return this;
});
$export($export.G, {
  Observable: $Observable
});
__webpack_require__(4798)('Observable');

/***/ }),

/***/ 8088:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {


// https://github.com/tc39/proposal-promise-finally


var $export = __webpack_require__(5913);
var core = __webpack_require__(8544);
var global = __webpack_require__(7381);
var speciesConstructor = __webpack_require__(2035);
var promiseResolve = __webpack_require__(3507);
$export($export.P + $export.R, 'Promise', {
  'finally': function _finally(onFinally) {
    var C = speciesConstructor(this, core.Promise || global.Promise);
    var isFunction = typeof onFinally == 'function';
    return this.then(isFunction ? function (x) {
      return promiseResolve(C, onFinally()).then(function () {
        return x;
      });
    } : onFinally, isFunction ? function (e) {
      return promiseResolve(C, onFinally()).then(function () {
        throw e;
      });
    } : onFinally);
  }
});

/***/ }),

/***/ 5414:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




// https://github.com/tc39/proposal-promise-try
var $export = __webpack_require__(5913);
var newPromiseCapability = __webpack_require__(4086);
var perform = __webpack_require__(8228);
$export($export.S, 'Promise', {
  'try': function _try(callbackfn) {
    var promiseCapability = newPromiseCapability.f(this);
    var result = perform(callbackfn);
    (result.e ? promiseCapability.reject : promiseCapability.resolve)(result.v);
    return promiseCapability.promise;
  }
});

/***/ }),

/***/ 2812:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

var metadata = __webpack_require__(8953);
var anObject = __webpack_require__(6154);
var toMetaKey = metadata.key;
var ordinaryDefineOwnMetadata = metadata.set;
metadata.exp({
  defineMetadata: function defineMetadata(metadataKey, metadataValue, target, targetKey) {
    ordinaryDefineOwnMetadata(metadataKey, metadataValue, anObject(target), toMetaKey(targetKey));
  }
});

/***/ }),

/***/ 2835:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

var metadata = __webpack_require__(8953);
var anObject = __webpack_require__(6154);
var toMetaKey = metadata.key;
var getOrCreateMetadataMap = metadata.map;
var store = metadata.store;
metadata.exp({
  deleteMetadata: function deleteMetadata(metadataKey, target /* , targetKey */) {
    var targetKey = arguments.length < 3 ? undefined : toMetaKey(arguments[2]);
    var metadataMap = getOrCreateMetadataMap(anObject(target), targetKey, false);
    if (metadataMap === undefined || !metadataMap['delete'](metadataKey)) return false;
    if (metadataMap.size) return true;
    var targetMetadata = store.get(target);
    targetMetadata['delete'](targetKey);
    return !!targetMetadata.size || store['delete'](target);
  }
});

/***/ }),

/***/ 710:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

var Set = __webpack_require__(3940);
var from = __webpack_require__(5273);
var metadata = __webpack_require__(8953);
var anObject = __webpack_require__(6154);
var getPrototypeOf = __webpack_require__(4153);
var ordinaryOwnMetadataKeys = metadata.keys;
var toMetaKey = metadata.key;
var ordinaryMetadataKeys = function ordinaryMetadataKeys(O, P) {
  var oKeys = ordinaryOwnMetadataKeys(O, P);
  var parent = getPrototypeOf(O);
  if (parent === null) return oKeys;
  var pKeys = ordinaryMetadataKeys(parent, P);
  return pKeys.length ? oKeys.length ? from(new Set(oKeys.concat(pKeys))) : pKeys : oKeys;
};
metadata.exp({
  getMetadataKeys: function getMetadataKeys(target /* , targetKey */) {
    return ordinaryMetadataKeys(anObject(target), arguments.length < 2 ? undefined : toMetaKey(arguments[1]));
  }
});

/***/ }),

/***/ 7415:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

var metadata = __webpack_require__(8953);
var anObject = __webpack_require__(6154);
var getPrototypeOf = __webpack_require__(4153);
var ordinaryHasOwnMetadata = metadata.has;
var ordinaryGetOwnMetadata = metadata.get;
var toMetaKey = metadata.key;
var ordinaryGetMetadata = function ordinaryGetMetadata(MetadataKey, O, P) {
  var hasOwn = ordinaryHasOwnMetadata(MetadataKey, O, P);
  if (hasOwn) return ordinaryGetOwnMetadata(MetadataKey, O, P);
  var parent = getPrototypeOf(O);
  return parent !== null ? ordinaryGetMetadata(MetadataKey, parent, P) : undefined;
};
metadata.exp({
  getMetadata: function getMetadata(metadataKey, target /* , targetKey */) {
    return ordinaryGetMetadata(metadataKey, anObject(target), arguments.length < 3 ? undefined : toMetaKey(arguments[2]));
  }
});

/***/ }),

/***/ 60:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

var metadata = __webpack_require__(8953);
var anObject = __webpack_require__(6154);
var ordinaryOwnMetadataKeys = metadata.keys;
var toMetaKey = metadata.key;
metadata.exp({
  getOwnMetadataKeys: function getOwnMetadataKeys(target /* , targetKey */) {
    return ordinaryOwnMetadataKeys(anObject(target), arguments.length < 2 ? undefined : toMetaKey(arguments[1]));
  }
});

/***/ }),

/***/ 3666:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

var metadata = __webpack_require__(8953);
var anObject = __webpack_require__(6154);
var ordinaryGetOwnMetadata = metadata.get;
var toMetaKey = metadata.key;
metadata.exp({
  getOwnMetadata: function getOwnMetadata(metadataKey, target /* , targetKey */) {
    return ordinaryGetOwnMetadata(metadataKey, anObject(target), arguments.length < 3 ? undefined : toMetaKey(arguments[2]));
  }
});

/***/ }),

/***/ 7216:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

var metadata = __webpack_require__(8953);
var anObject = __webpack_require__(6154);
var getPrototypeOf = __webpack_require__(4153);
var ordinaryHasOwnMetadata = metadata.has;
var toMetaKey = metadata.key;
var ordinaryHasMetadata = function ordinaryHasMetadata(MetadataKey, O, P) {
  var hasOwn = ordinaryHasOwnMetadata(MetadataKey, O, P);
  if (hasOwn) return true;
  var parent = getPrototypeOf(O);
  return parent !== null ? ordinaryHasMetadata(MetadataKey, parent, P) : false;
};
metadata.exp({
  hasMetadata: function hasMetadata(metadataKey, target /* , targetKey */) {
    return ordinaryHasMetadata(metadataKey, anObject(target), arguments.length < 3 ? undefined : toMetaKey(arguments[2]));
  }
});

/***/ }),

/***/ 3470:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

var metadata = __webpack_require__(8953);
var anObject = __webpack_require__(6154);
var ordinaryHasOwnMetadata = metadata.has;
var toMetaKey = metadata.key;
metadata.exp({
  hasOwnMetadata: function hasOwnMetadata(metadataKey, target /* , targetKey */) {
    return ordinaryHasOwnMetadata(metadataKey, anObject(target), arguments.length < 3 ? undefined : toMetaKey(arguments[2]));
  }
});

/***/ }),

/***/ 2161:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

var $metadata = __webpack_require__(8953);
var anObject = __webpack_require__(6154);
var aFunction = __webpack_require__(6819);
var toMetaKey = $metadata.key;
var ordinaryDefineOwnMetadata = $metadata.set;
$metadata.exp({
  metadata: function metadata(metadataKey, metadataValue) {
    return function decorator(target, targetKey) {
      ordinaryDefineOwnMetadata(metadataKey, metadataValue, (targetKey !== undefined ? anObject : aFunction)(target), toMetaKey(targetKey));
    };
  }
});

/***/ }),

/***/ 922:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// https://tc39.github.io/proposal-setmap-offrom/#sec-set.from
__webpack_require__(7598)('Set');

/***/ }),

/***/ 3798:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// https://tc39.github.io/proposal-setmap-offrom/#sec-set.of
__webpack_require__(5329)('Set');

/***/ }),

/***/ 188:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// https://github.com/DavidBruant/Map-Set.prototype.toJSON
var $export = __webpack_require__(5913);
$export($export.P + $export.R, 'Set', {
  toJSON: __webpack_require__(1872)('Set')
});

/***/ }),

/***/ 6696:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




// https://github.com/mathiasbynens/String.prototype.at
var $export = __webpack_require__(5913);
var $at = __webpack_require__(3593)(true);
var $fails = __webpack_require__(5810);
var FORCED = $fails(function () {
  return '𠮷'.at(0) !== '𠮷';
});
$export($export.P + $export.F * FORCED, 'String', {
  at: function at(pos) {
    return $at(this, pos);
  }
});

/***/ }),

/***/ 7593:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




// https://tc39.github.io/String.prototype.matchAll/
var $export = __webpack_require__(5913);
var defined = __webpack_require__(408);
var toLength = __webpack_require__(8315);
var isRegExp = __webpack_require__(1993);
var getFlags = __webpack_require__(2188);
var RegExpProto = RegExp.prototype;
var $RegExpStringIterator = function $RegExpStringIterator(regexp, string) {
  this._r = regexp;
  this._s = string;
};
__webpack_require__(8258)($RegExpStringIterator, 'RegExp String', function next() {
  var match = this._r.exec(this._s);
  return {
    value: match,
    done: match === null
  };
});
$export($export.P, 'String', {
  matchAll: function matchAll(regexp) {
    defined(this);
    if (!isRegExp(regexp)) throw TypeError(regexp + ' is not a regexp!');
    var S = String(this);
    var flags = 'flags' in RegExpProto ? String(regexp.flags) : getFlags.call(regexp);
    var rx = new RegExp(regexp.source, ~flags.indexOf('g') ? flags : 'g' + flags);
    rx.lastIndex = toLength(regexp.lastIndex);
    return new $RegExpStringIterator(rx, S);
  }
});

/***/ }),

/***/ 2123:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




// https://github.com/tc39/proposal-string-pad-start-end
var $export = __webpack_require__(5913);
var $pad = __webpack_require__(1925);
var userAgent = __webpack_require__(851);

// https://github.com/zloirock/core-js/issues/280
var WEBKIT_BUG = /Version\/10\.\d+(\.\d+)?( Mobile\/\w+)? Safari\//.test(userAgent);
$export($export.P + $export.F * WEBKIT_BUG, 'String', {
  padEnd: function padEnd(maxLength /* , fillString = ' ' */) {
    return $pad(this, maxLength, arguments.length > 1 ? arguments[1] : undefined, false);
  }
});

/***/ }),

/***/ 9391:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




// https://github.com/tc39/proposal-string-pad-start-end
var $export = __webpack_require__(5913);
var $pad = __webpack_require__(1925);
var userAgent = __webpack_require__(851);

// https://github.com/zloirock/core-js/issues/280
var WEBKIT_BUG = /Version\/10\.\d+(\.\d+)?( Mobile\/\w+)? Safari\//.test(userAgent);
$export($export.P + $export.F * WEBKIT_BUG, 'String', {
  padStart: function padStart(maxLength /* , fillString = ' ' */) {
    return $pad(this, maxLength, arguments.length > 1 ? arguments[1] : undefined, true);
  }
});

/***/ }),

/***/ 6541:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




// https://github.com/sebmarkbage/ecmascript-string-left-right-trim
__webpack_require__(618)('trimLeft', function ($trim) {
  return function trimLeft() {
    return $trim(this, 1);
  };
}, 'trimStart');

/***/ }),

/***/ 1767:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {




// https://github.com/sebmarkbage/ecmascript-string-left-right-trim
__webpack_require__(618)('trimRight', function ($trim) {
  return function trimRight() {
    return $trim(this, 2);
  };
}, 'trimEnd');

/***/ }),

/***/ 4870:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

__webpack_require__(5721)('asyncIterator');

/***/ }),

/***/ 7937:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

__webpack_require__(5721)('observable');

/***/ }),

/***/ 3884:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// https://github.com/tc39/proposal-global
var $export = __webpack_require__(5913);
$export($export.S, 'System', {
  global: __webpack_require__(7381)
});

/***/ }),

/***/ 2177:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// https://tc39.github.io/proposal-setmap-offrom/#sec-weakmap.from
__webpack_require__(7598)('WeakMap');

/***/ }),

/***/ 9737:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// https://tc39.github.io/proposal-setmap-offrom/#sec-weakmap.of
__webpack_require__(5329)('WeakMap');

/***/ }),

/***/ 8791:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// https://tc39.github.io/proposal-setmap-offrom/#sec-weakset.from
__webpack_require__(7598)('WeakSet');

/***/ }),

/***/ 5704:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// https://tc39.github.io/proposal-setmap-offrom/#sec-weakset.of
__webpack_require__(5329)('WeakSet');

/***/ }),

/***/ 1094:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

var $iterators = __webpack_require__(4806);
var getKeys = __webpack_require__(9924);
var redefine = __webpack_require__(7278);
var global = __webpack_require__(7381);
var hide = __webpack_require__(8012);
var Iterators = __webpack_require__(5301);
var wks = __webpack_require__(3336);
var ITERATOR = wks('iterator');
var TO_STRING_TAG = wks('toStringTag');
var ArrayValues = Iterators.Array;
var DOMIterables = {
  CSSRuleList: true,
  // TODO: Not spec compliant, should be false.
  CSSStyleDeclaration: false,
  CSSValueList: false,
  ClientRectList: false,
  DOMRectList: false,
  DOMStringList: false,
  DOMTokenList: true,
  DataTransferItemList: false,
  FileList: false,
  HTMLAllCollection: false,
  HTMLCollection: false,
  HTMLFormElement: false,
  HTMLSelectElement: false,
  MediaList: true,
  // TODO: Not spec compliant, should be false.
  MimeTypeArray: false,
  NamedNodeMap: false,
  NodeList: true,
  PaintRequestList: false,
  Plugin: false,
  PluginArray: false,
  SVGLengthList: false,
  SVGNumberList: false,
  SVGPathSegList: false,
  SVGPointList: false,
  SVGStringList: false,
  SVGTransformList: false,
  SourceBufferList: false,
  StyleSheetList: true,
  // TODO: Not spec compliant, should be false.
  TextTrackCueList: false,
  TextTrackList: false,
  TouchList: false
};
for (var collections = getKeys(DOMIterables), i = 0; i < collections.length; i++) {
  var NAME = collections[i];
  var explicit = DOMIterables[NAME];
  var Collection = global[NAME];
  var proto = Collection && Collection.prototype;
  var key;
  if (proto) {
    if (!proto[ITERATOR]) hide(proto, ITERATOR, ArrayValues);
    if (!proto[TO_STRING_TAG]) hide(proto, TO_STRING_TAG, NAME);
    Iterators[NAME] = ArrayValues;
    if (explicit) for (key in $iterators) if (!proto[key]) redefine(proto, key, $iterators[key], true);
  }
}

/***/ }),

/***/ 1605:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

var $export = __webpack_require__(5913);
var $task = __webpack_require__(8220);
$export($export.G + $export.B, {
  setImmediate: $task.set,
  clearImmediate: $task.clear
});

/***/ }),

/***/ 2113:
/***/ ((__unused_webpack_module, __unused_webpack_exports, __webpack_require__) => {

// ie9- setTimeout & setInterval additional parameters fix
var global = __webpack_require__(7381);
var $export = __webpack_require__(5913);
var userAgent = __webpack_require__(851);
var slice = [].slice;
var MSIE = /MSIE .\./.test(userAgent); // <- dirty ie9- check
var wrap = function wrap(set) {
  return function (fn, time /* , ...args */) {
    var boundArgs = arguments.length > 2;
    var args = boundArgs ? slice.call(arguments, 2) : false;
    return set(boundArgs ? function () {
      // eslint-disable-next-line no-new-func
      (typeof fn == 'function' ? fn : Function(fn)).apply(this, args);
    } : fn, time);
  };
};
$export($export.G + $export.B + $export.F * MSIE, {
  setTimeout: wrap(global.setTimeout),
  setInterval: wrap(global.setInterval)
});

/***/ }),

/***/ 2234:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

__webpack_require__(2403);
__webpack_require__(3290);
__webpack_require__(3690);
__webpack_require__(8424);
__webpack_require__(2357);
__webpack_require__(6667);
__webpack_require__(2506);
__webpack_require__(6022);
__webpack_require__(754);
__webpack_require__(7571);
__webpack_require__(6527);
__webpack_require__(9219);
__webpack_require__(3270);
__webpack_require__(4919);
__webpack_require__(5331);
__webpack_require__(2456);
__webpack_require__(8490);
__webpack_require__(4554);
__webpack_require__(161);
__webpack_require__(6042);
__webpack_require__(15);
__webpack_require__(317);
__webpack_require__(3271);
__webpack_require__(440);
__webpack_require__(1077);
__webpack_require__(820);
__webpack_require__(1914);
__webpack_require__(4117);
__webpack_require__(9619);
__webpack_require__(5849);
__webpack_require__(4750);
__webpack_require__(1550);
__webpack_require__(3529);
__webpack_require__(2791);
__webpack_require__(6831);
__webpack_require__(4717);
__webpack_require__(7292);
__webpack_require__(1840);
__webpack_require__(3255);
__webpack_require__(5728);
__webpack_require__(6255);
__webpack_require__(2834);
__webpack_require__(4489);
__webpack_require__(575);
__webpack_require__(1369);
__webpack_require__(2751);
__webpack_require__(9617);
__webpack_require__(3656);
__webpack_require__(1850);
__webpack_require__(5424);
__webpack_require__(230);
__webpack_require__(8471);
__webpack_require__(8577);
__webpack_require__(7906);
__webpack_require__(8587);
__webpack_require__(6575);
__webpack_require__(5281);
__webpack_require__(3917);
__webpack_require__(5450);
__webpack_require__(9449);
__webpack_require__(1616);
__webpack_require__(9718);
__webpack_require__(3845);
__webpack_require__(5803);
__webpack_require__(2222);
__webpack_require__(5036);
__webpack_require__(6131);
__webpack_require__(4110);
__webpack_require__(6235);
__webpack_require__(6495);
__webpack_require__(4162);
__webpack_require__(5297);
__webpack_require__(1466);
__webpack_require__(2581);
__webpack_require__(8384);
__webpack_require__(2334);
__webpack_require__(9701);
__webpack_require__(1325);
__webpack_require__(3233);
__webpack_require__(1621);
__webpack_require__(8671);
__webpack_require__(6705);
__webpack_require__(9437);
__webpack_require__(7263);
__webpack_require__(919);
__webpack_require__(791);
__webpack_require__(633);
__webpack_require__(9355);
__webpack_require__(9253);
__webpack_require__(9892);
__webpack_require__(9121);
__webpack_require__(8738);
__webpack_require__(4751);
__webpack_require__(9822);
__webpack_require__(4611);
__webpack_require__(9217);
__webpack_require__(4138);
__webpack_require__(109);
__webpack_require__(3821);
__webpack_require__(4806);
__webpack_require__(2566);
__webpack_require__(5997);
__webpack_require__(8359);
__webpack_require__(7181);
__webpack_require__(8682);
__webpack_require__(8514);
__webpack_require__(5105);
__webpack_require__(5325);
__webpack_require__(829);
__webpack_require__(8969);
__webpack_require__(3940);
__webpack_require__(3491);
__webpack_require__(6332);
__webpack_require__(7195);
__webpack_require__(5345);
__webpack_require__(6670);
__webpack_require__(7736);
__webpack_require__(4457);
__webpack_require__(7683);
__webpack_require__(1123);
__webpack_require__(4797);
__webpack_require__(4871);
__webpack_require__(8824);
__webpack_require__(6472);
__webpack_require__(1220);
__webpack_require__(9263);
__webpack_require__(7622);
__webpack_require__(9060);
__webpack_require__(980);
__webpack_require__(6175);
__webpack_require__(8484);
__webpack_require__(9869);
__webpack_require__(1285);
__webpack_require__(4854);
__webpack_require__(6647);
__webpack_require__(7903);
__webpack_require__(5197);
__webpack_require__(3113);
__webpack_require__(2963);
__webpack_require__(6032);
__webpack_require__(732);
__webpack_require__(6696);
__webpack_require__(9391);
__webpack_require__(2123);
__webpack_require__(6541);
__webpack_require__(1767);
__webpack_require__(7593);
__webpack_require__(4870);
__webpack_require__(7937);
__webpack_require__(9168);
__webpack_require__(6351);
__webpack_require__(8217);
__webpack_require__(6792);
__webpack_require__(88);
__webpack_require__(2095);
__webpack_require__(2889);
__webpack_require__(8455);
__webpack_require__(188);
__webpack_require__(9992);
__webpack_require__(3798);
__webpack_require__(9737);
__webpack_require__(5704);
__webpack_require__(3591);
__webpack_require__(922);
__webpack_require__(2177);
__webpack_require__(8791);
__webpack_require__(6426);
__webpack_require__(3884);
__webpack_require__(7469);
__webpack_require__(4097);
__webpack_require__(5813);
__webpack_require__(7245);
__webpack_require__(6756);
__webpack_require__(8392);
__webpack_require__(1111);
__webpack_require__(3735);
__webpack_require__(3037);
__webpack_require__(8422);
__webpack_require__(1818);
__webpack_require__(7883);
__webpack_require__(7371);
__webpack_require__(8088);
__webpack_require__(5414);
__webpack_require__(2812);
__webpack_require__(2835);
__webpack_require__(7415);
__webpack_require__(710);
__webpack_require__(3666);
__webpack_require__(60);
__webpack_require__(7216);
__webpack_require__(3470);
__webpack_require__(2161);
__webpack_require__(6321);
__webpack_require__(5613);
__webpack_require__(2113);
__webpack_require__(1605);
__webpack_require__(1094);
module.exports = __webpack_require__(8544);

/***/ }),

/***/ 4036:
/***/ ((module) => {




function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
var isMergeableObject = function isMergeableObject(value) {
  return isNonNullObject(value) && !isSpecial(value);
};
function isNonNullObject(value) {
  return !!value && _typeof(value) === 'object';
}
function isSpecial(value) {
  var stringValue = Object.prototype.toString.call(value);
  return stringValue === '[object RegExp]' || stringValue === '[object Date]' || isReactElement(value);
}

// see https://github.com/facebook/react/blob/b5ac963fb791d1298e7f396236383bc955f916c1/src/isomorphic/classic/element/ReactElement.js#L21-L25
var canUseSymbol = typeof Symbol === 'function' && Symbol["for"];
var REACT_ELEMENT_TYPE = canUseSymbol ? Symbol["for"]('react.element') : 0xeac7;
function isReactElement(value) {
  return value.$$typeof === REACT_ELEMENT_TYPE;
}
function emptyTarget(val) {
  return Array.isArray(val) ? [] : {};
}
function cloneUnlessOtherwiseSpecified(value, options) {
  return options.clone !== false && options.isMergeableObject(value) ? deepmerge(emptyTarget(value), value, options) : value;
}
function defaultArrayMerge(target, source, options) {
  return target.concat(source).map(function (element) {
    return cloneUnlessOtherwiseSpecified(element, options);
  });
}
function getMergeFunction(key, options) {
  if (!options.customMerge) {
    return deepmerge;
  }
  var customMerge = options.customMerge(key);
  return typeof customMerge === 'function' ? customMerge : deepmerge;
}
function getEnumerableOwnPropertySymbols(target) {
  return Object.getOwnPropertySymbols ? Object.getOwnPropertySymbols(target).filter(function (symbol) {
    return Object.propertyIsEnumerable.call(target, symbol);
  }) : [];
}
function getKeys(target) {
  return Object.keys(target).concat(getEnumerableOwnPropertySymbols(target));
}
function propertyIsOnObject(object, property) {
  try {
    return property in object;
  } catch (_) {
    return false;
  }
}

// Protects from prototype poisoning and unexpected merging up the prototype chain.
function propertyIsUnsafe(target, key) {
  return propertyIsOnObject(target, key) // Properties are safe to merge if they don't exist in the target yet,
  && !(Object.hasOwnProperty.call(target, key) // unsafe if they exist up the prototype chain,
  && Object.propertyIsEnumerable.call(target, key)); // and also unsafe if they're nonenumerable.
}

function mergeObject(target, source, options) {
  var destination = {};
  if (options.isMergeableObject(target)) {
    getKeys(target).forEach(function (key) {
      destination[key] = cloneUnlessOtherwiseSpecified(target[key], options);
    });
  }
  getKeys(source).forEach(function (key) {
    if (propertyIsUnsafe(target, key)) {
      return;
    }
    if (propertyIsOnObject(target, key) && options.isMergeableObject(source[key])) {
      destination[key] = getMergeFunction(key, options)(target[key], source[key], options);
    } else {
      destination[key] = cloneUnlessOtherwiseSpecified(source[key], options);
    }
  });
  return destination;
}
function deepmerge(target, source, options) {
  options = options || {};
  options.arrayMerge = options.arrayMerge || defaultArrayMerge;
  options.isMergeableObject = options.isMergeableObject || isMergeableObject;
  // cloneUnlessOtherwiseSpecified is added to `options` so that custom arrayMerge()
  // implementations can use it. The caller may not replace it.
  options.cloneUnlessOtherwiseSpecified = cloneUnlessOtherwiseSpecified;
  var sourceIsArray = Array.isArray(source);
  var targetIsArray = Array.isArray(target);
  var sourceAndTargetTypesMatch = sourceIsArray === targetIsArray;
  if (!sourceAndTargetTypesMatch) {
    return cloneUnlessOtherwiseSpecified(source, options);
  } else if (sourceIsArray) {
    return options.arrayMerge(target, source, options);
  } else {
    return mergeObject(target, source, options);
  }
}
deepmerge.all = function deepmergeAll(array, options) {
  if (!Array.isArray(array)) {
    throw new Error('first argument should be an array');
  }
  return array.reduce(function (prev, next) {
    return deepmerge(prev, next, options);
  }, {});
};
var deepmerge_1 = deepmerge;
module.exports = deepmerge_1;

/***/ }),

/***/ 3117:
/***/ ((__unused_webpack_module, exports) => {




Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.attributeNames = exports.elementNames = void 0;
exports.elementNames = new Map([["altglyph", "altGlyph"], ["altglyphdef", "altGlyphDef"], ["altglyphitem", "altGlyphItem"], ["animatecolor", "animateColor"], ["animatemotion", "animateMotion"], ["animatetransform", "animateTransform"], ["clippath", "clipPath"], ["feblend", "feBlend"], ["fecolormatrix", "feColorMatrix"], ["fecomponenttransfer", "feComponentTransfer"], ["fecomposite", "feComposite"], ["feconvolvematrix", "feConvolveMatrix"], ["fediffuselighting", "feDiffuseLighting"], ["fedisplacementmap", "feDisplacementMap"], ["fedistantlight", "feDistantLight"], ["fedropshadow", "feDropShadow"], ["feflood", "feFlood"], ["fefunca", "feFuncA"], ["fefuncb", "feFuncB"], ["fefuncg", "feFuncG"], ["fefuncr", "feFuncR"], ["fegaussianblur", "feGaussianBlur"], ["feimage", "feImage"], ["femerge", "feMerge"], ["femergenode", "feMergeNode"], ["femorphology", "feMorphology"], ["feoffset", "feOffset"], ["fepointlight", "fePointLight"], ["fespecularlighting", "feSpecularLighting"], ["fespotlight", "feSpotLight"], ["fetile", "feTile"], ["feturbulence", "feTurbulence"], ["foreignobject", "foreignObject"], ["glyphref", "glyphRef"], ["lineargradient", "linearGradient"], ["radialgradient", "radialGradient"], ["textpath", "textPath"]]);
exports.attributeNames = new Map([["definitionurl", "definitionURL"], ["attributename", "attributeName"], ["attributetype", "attributeType"], ["basefrequency", "baseFrequency"], ["baseprofile", "baseProfile"], ["calcmode", "calcMode"], ["clippathunits", "clipPathUnits"], ["diffuseconstant", "diffuseConstant"], ["edgemode", "edgeMode"], ["filterunits", "filterUnits"], ["glyphref", "glyphRef"], ["gradienttransform", "gradientTransform"], ["gradientunits", "gradientUnits"], ["kernelmatrix", "kernelMatrix"], ["kernelunitlength", "kernelUnitLength"], ["keypoints", "keyPoints"], ["keysplines", "keySplines"], ["keytimes", "keyTimes"], ["lengthadjust", "lengthAdjust"], ["limitingconeangle", "limitingConeAngle"], ["markerheight", "markerHeight"], ["markerunits", "markerUnits"], ["markerwidth", "markerWidth"], ["maskcontentunits", "maskContentUnits"], ["maskunits", "maskUnits"], ["numoctaves", "numOctaves"], ["pathlength", "pathLength"], ["patterncontentunits", "patternContentUnits"], ["patterntransform", "patternTransform"], ["patternunits", "patternUnits"], ["pointsatx", "pointsAtX"], ["pointsaty", "pointsAtY"], ["pointsatz", "pointsAtZ"], ["preservealpha", "preserveAlpha"], ["preserveaspectratio", "preserveAspectRatio"], ["primitiveunits", "primitiveUnits"], ["refx", "refX"], ["refy", "refY"], ["repeatcount", "repeatCount"], ["repeatdur", "repeatDur"], ["requiredextensions", "requiredExtensions"], ["requiredfeatures", "requiredFeatures"], ["specularconstant", "specularConstant"], ["specularexponent", "specularExponent"], ["spreadmethod", "spreadMethod"], ["startoffset", "startOffset"], ["stddeviation", "stdDeviation"], ["stitchtiles", "stitchTiles"], ["surfacescale", "surfaceScale"], ["systemlanguage", "systemLanguage"], ["tablevalues", "tableValues"], ["targetx", "targetX"], ["targety", "targetY"], ["textlength", "textLength"], ["viewbox", "viewBox"], ["viewtarget", "viewTarget"], ["xchannelselector", "xChannelSelector"], ["ychannelselector", "yChannelSelector"], ["zoomandpan", "zoomAndPan"]]);

/***/ }),

/***/ 1671:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {




var __assign = this && this.__assign || function () {
  __assign = Object.assign || function (t) {
    for (var s, i = 1, n = arguments.length; i < n; i++) {
      s = arguments[i];
      for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];
    }
    return t;
  };
  return __assign.apply(this, arguments);
};
var __createBinding = this && this.__createBinding || (Object.create ? function (o, m, k, k2) {
  if (k2 === undefined) k2 = k;
  Object.defineProperty(o, k2, {
    enumerable: true,
    get: function get() {
      return m[k];
    }
  });
} : function (o, m, k, k2) {
  if (k2 === undefined) k2 = k;
  o[k2] = m[k];
});
var __setModuleDefault = this && this.__setModuleDefault || (Object.create ? function (o, v) {
  Object.defineProperty(o, "default", {
    enumerable: true,
    value: v
  });
} : function (o, v) {
  o["default"] = v;
});
var __importStar = this && this.__importStar || function (mod) {
  if (mod && mod.__esModule) return mod;
  var result = {};
  if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
  __setModuleDefault(result, mod);
  return result;
};
Object.defineProperty(exports, "__esModule", ({
  value: true
}));
/*
 * Module dependencies
 */
var ElementType = __importStar(__webpack_require__(7304));
var entities_1 = __webpack_require__(7531);
/**
 * Mixed-case SVG and MathML tags & attributes
 * recognized by the HTML parser.
 *
 * @see https://html.spec.whatwg.org/multipage/parsing.html#parsing-main-inforeign
 */
var foreignNames_1 = __webpack_require__(3117);
var unencodedElements = new Set(["style", "script", "xmp", "iframe", "noembed", "noframes", "plaintext", "noscript"]);
/**
 * Format attributes
 */
function formatAttributes(attributes, opts) {
  if (!attributes) return;
  return Object.keys(attributes).map(function (key) {
    var _a, _b;
    var value = (_a = attributes[key]) !== null && _a !== void 0 ? _a : "";
    if (opts.xmlMode === "foreign") {
      /* Fix up mixed-case attribute names */
      key = (_b = foreignNames_1.attributeNames.get(key)) !== null && _b !== void 0 ? _b : key;
    }
    if (!opts.emptyAttrs && !opts.xmlMode && value === "") {
      return key;
    }
    return key + "=\"" + (opts.decodeEntities !== false ? entities_1.encodeXML(value) : value.replace(/"/g, "&quot;")) + "\"";
  }).join(" ");
}
/**
 * Self-enclosing tags
 */
var singleTag = new Set(["area", "base", "basefont", "br", "col", "command", "embed", "frame", "hr", "img", "input", "isindex", "keygen", "link", "meta", "param", "source", "track", "wbr"]);
/**
 * Renders a DOM node or an array of DOM nodes to a string.
 *
 * Can be thought of as the equivalent of the `outerHTML` of the passed node(s).
 *
 * @param node Node to be rendered.
 * @param options Changes serialization behavior
 */
function render(node, options) {
  if (options === void 0) {
    options = {};
  }
  var nodes = "length" in node ? node : [node];
  var output = "";
  for (var i = 0; i < nodes.length; i++) {
    output += renderNode(nodes[i], options);
  }
  return output;
}
exports["default"] = render;
function renderNode(node, options) {
  switch (node.type) {
    case ElementType.Root:
      return render(node.children, options);
    case ElementType.Directive:
    case ElementType.Doctype:
      return renderDirective(node);
    case ElementType.Comment:
      return renderComment(node);
    case ElementType.CDATA:
      return renderCdata(node);
    case ElementType.Script:
    case ElementType.Style:
    case ElementType.Tag:
      return renderTag(node, options);
    case ElementType.Text:
      return renderText(node, options);
  }
}
var foreignModeIntegrationPoints = new Set(["mi", "mo", "mn", "ms", "mtext", "annotation-xml", "foreignObject", "desc", "title"]);
var foreignElements = new Set(["svg", "math"]);
function renderTag(elem, opts) {
  var _a;
  // Handle SVG / MathML in HTML
  if (opts.xmlMode === "foreign") {
    /* Fix up mixed-case element names */
    elem.name = (_a = foreignNames_1.elementNames.get(elem.name)) !== null && _a !== void 0 ? _a : elem.name;
    /* Exit foreign mode at integration points */
    if (elem.parent && foreignModeIntegrationPoints.has(elem.parent.name)) {
      opts = __assign(__assign({}, opts), {
        xmlMode: false
      });
    }
  }
  if (!opts.xmlMode && foreignElements.has(elem.name)) {
    opts = __assign(__assign({}, opts), {
      xmlMode: "foreign"
    });
  }
  var tag = "<" + elem.name;
  var attribs = formatAttributes(elem.attribs, opts);
  if (attribs) {
    tag += " " + attribs;
  }
  if (elem.children.length === 0 && (opts.xmlMode ?
  // In XML mode or foreign mode, and user hasn't explicitly turned off self-closing tags
  opts.selfClosingTags !== false :
  // User explicitly asked for self-closing tags, even in HTML mode
  opts.selfClosingTags && singleTag.has(elem.name))) {
    if (!opts.xmlMode) tag += " ";
    tag += "/>";
  } else {
    tag += ">";
    if (elem.children.length > 0) {
      tag += render(elem.children, opts);
    }
    if (opts.xmlMode || !singleTag.has(elem.name)) {
      tag += "</" + elem.name + ">";
    }
  }
  return tag;
}
function renderDirective(elem) {
  return "<" + elem.data + ">";
}
function renderText(elem, opts) {
  var data = elem.data || "";
  // If entities weren't decoded, no need to encode them back
  if (opts.decodeEntities !== false && !(!opts.xmlMode && elem.parent && unencodedElements.has(elem.parent.name))) {
    data = entities_1.encodeXML(data);
  }
  return data;
}
function renderCdata(elem) {
  return "<![CDATA[" + elem.children[0].data + "]]>";
}
function renderComment(elem) {
  return "<!--" + elem.data + "-->";
}

/***/ }),

/***/ 7304:
/***/ ((__unused_webpack_module, exports) => {




Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.Doctype = exports.CDATA = exports.Tag = exports.Style = exports.Script = exports.Comment = exports.Directive = exports.Text = exports.Root = exports.isTag = exports.ElementType = void 0;
/** Types of elements found in htmlparser2's DOM */
var ElementType;
(function (ElementType) {
  /** Type for the root element of a document */
  ElementType["Root"] = "root";
  /** Type for Text */
  ElementType["Text"] = "text";
  /** Type for <? ... ?> */
  ElementType["Directive"] = "directive";
  /** Type for <!-- ... --> */
  ElementType["Comment"] = "comment";
  /** Type for <script> tags */
  ElementType["Script"] = "script";
  /** Type for <style> tags */
  ElementType["Style"] = "style";
  /** Type for Any tag */
  ElementType["Tag"] = "tag";
  /** Type for <![CDATA[ ... ]]> */
  ElementType["CDATA"] = "cdata";
  /** Type for <!doctype ...> */
  ElementType["Doctype"] = "doctype";
})(ElementType = exports.ElementType || (exports.ElementType = {}));
/**
 * Tests whether an element is a tag or not.
 *
 * @param elem Element to test
 */
function isTag(elem) {
  return elem.type === ElementType.Tag || elem.type === ElementType.Script || elem.type === ElementType.Style;
}
exports.isTag = isTag;
// Exports for backwards compatibility
/** Type for the root element of a document */
exports.Root = ElementType.Root;
/** Type for Text */
exports.Text = ElementType.Text;
/** Type for <? ... ?> */
exports.Directive = ElementType.Directive;
/** Type for <!-- ... --> */
exports.Comment = ElementType.Comment;
/** Type for <script> tags */
exports.Script = ElementType.Script;
/** Type for <style> tags */
exports.Style = ElementType.Style;
/** Type for Any tag */
exports.Tag = ElementType.Tag;
/** Type for <![CDATA[ ... ]]> */
exports.CDATA = ElementType.CDATA;
/** Type for <!doctype ...> */
exports.Doctype = ElementType.Doctype;

/***/ }),

/***/ 1363:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {




function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
var __createBinding = this && this.__createBinding || (Object.create ? function (o, m, k, k2) {
  if (k2 === undefined) k2 = k;
  var desc = Object.getOwnPropertyDescriptor(m, k);
  if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
    desc = {
      enumerable: true,
      get: function get() {
        return m[k];
      }
    };
  }
  Object.defineProperty(o, k2, desc);
} : function (o, m, k, k2) {
  if (k2 === undefined) k2 = k;
  o[k2] = m[k];
});
var __exportStar = this && this.__exportStar || function (m, exports) {
  for (var p in m) if (p !== "default" && !Object.prototype.hasOwnProperty.call(exports, p)) __createBinding(exports, m, p);
};
Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.DomHandler = void 0;
var domelementtype_1 = __webpack_require__(7304);
var node_1 = __webpack_require__(5653);
__exportStar(__webpack_require__(5653), exports);
var reWhitespace = /\s+/g;
// Default options
var defaultOpts = {
  normalizeWhitespace: false,
  withStartIndices: false,
  withEndIndices: false,
  xmlMode: false
};
var DomHandler = /** @class */function () {
  /**
   * @param callback Called once parsing has completed.
   * @param options Settings for the handler.
   * @param elementCB Callback whenever a tag is closed.
   */
  function DomHandler(callback, options, elementCB) {
    /** The elements of the DOM */
    this.dom = [];
    /** The root element for the DOM */
    this.root = new node_1.Document(this.dom);
    /** Indicated whether parsing has been completed. */
    this.done = false;
    /** Stack of open tags. */
    this.tagStack = [this.root];
    /** A data node that is still being written to. */
    this.lastNode = null;
    /** Reference to the parser instance. Used for location information. */
    this.parser = null;
    // Make it possible to skip arguments, for backwards-compatibility
    if (typeof options === "function") {
      elementCB = options;
      options = defaultOpts;
    }
    if (_typeof(callback) === "object") {
      options = callback;
      callback = undefined;
    }
    this.callback = callback !== null && callback !== void 0 ? callback : null;
    this.options = options !== null && options !== void 0 ? options : defaultOpts;
    this.elementCB = elementCB !== null && elementCB !== void 0 ? elementCB : null;
  }
  DomHandler.prototype.onparserinit = function (parser) {
    this.parser = parser;
  };
  // Resets the handler back to starting state
  DomHandler.prototype.onreset = function () {
    this.dom = [];
    this.root = new node_1.Document(this.dom);
    this.done = false;
    this.tagStack = [this.root];
    this.lastNode = null;
    this.parser = null;
  };
  // Signals the handler that parsing is done
  DomHandler.prototype.onend = function () {
    if (this.done) return;
    this.done = true;
    this.parser = null;
    this.handleCallback(null);
  };
  DomHandler.prototype.onerror = function (error) {
    this.handleCallback(error);
  };
  DomHandler.prototype.onclosetag = function () {
    this.lastNode = null;
    var elem = this.tagStack.pop();
    if (this.options.withEndIndices) {
      elem.endIndex = this.parser.endIndex;
    }
    if (this.elementCB) this.elementCB(elem);
  };
  DomHandler.prototype.onopentag = function (name, attribs) {
    var type = this.options.xmlMode ? domelementtype_1.ElementType.Tag : undefined;
    var element = new node_1.Element(name, attribs, undefined, type);
    this.addNode(element);
    this.tagStack.push(element);
  };
  DomHandler.prototype.ontext = function (data) {
    var normalizeWhitespace = this.options.normalizeWhitespace;
    var lastNode = this.lastNode;
    if (lastNode && lastNode.type === domelementtype_1.ElementType.Text) {
      if (normalizeWhitespace) {
        lastNode.data = (lastNode.data + data).replace(reWhitespace, " ");
      } else {
        lastNode.data += data;
      }
      if (this.options.withEndIndices) {
        lastNode.endIndex = this.parser.endIndex;
      }
    } else {
      if (normalizeWhitespace) {
        data = data.replace(reWhitespace, " ");
      }
      var node = new node_1.Text(data);
      this.addNode(node);
      this.lastNode = node;
    }
  };
  DomHandler.prototype.oncomment = function (data) {
    if (this.lastNode && this.lastNode.type === domelementtype_1.ElementType.Comment) {
      this.lastNode.data += data;
      return;
    }
    var node = new node_1.Comment(data);
    this.addNode(node);
    this.lastNode = node;
  };
  DomHandler.prototype.oncommentend = function () {
    this.lastNode = null;
  };
  DomHandler.prototype.oncdatastart = function () {
    var text = new node_1.Text("");
    var node = new node_1.NodeWithChildren(domelementtype_1.ElementType.CDATA, [text]);
    this.addNode(node);
    text.parent = node;
    this.lastNode = text;
  };
  DomHandler.prototype.oncdataend = function () {
    this.lastNode = null;
  };
  DomHandler.prototype.onprocessinginstruction = function (name, data) {
    var node = new node_1.ProcessingInstruction(name, data);
    this.addNode(node);
  };
  DomHandler.prototype.handleCallback = function (error) {
    if (typeof this.callback === "function") {
      this.callback(error, this.dom);
    } else if (error) {
      throw error;
    }
  };
  DomHandler.prototype.addNode = function (node) {
    var parent = this.tagStack[this.tagStack.length - 1];
    var previousSibling = parent.children[parent.children.length - 1];
    if (this.options.withStartIndices) {
      node.startIndex = this.parser.startIndex;
    }
    if (this.options.withEndIndices) {
      node.endIndex = this.parser.endIndex;
    }
    parent.children.push(node);
    if (previousSibling) {
      node.prev = previousSibling;
      previousSibling.next = node;
    }
    node.parent = parent;
    this.lastNode = null;
  };
  return DomHandler;
}();
exports.DomHandler = DomHandler;
exports["default"] = DomHandler;

/***/ }),

/***/ 5653:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {




var __extends = this && this.__extends || function () {
  var _extendStatics = function extendStatics(d, b) {
    _extendStatics = Object.setPrototypeOf || {
      __proto__: []
    } instanceof Array && function (d, b) {
      d.__proto__ = b;
    } || function (d, b) {
      for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p];
    };
    return _extendStatics(d, b);
  };
  return function (d, b) {
    if (typeof b !== "function" && b !== null) throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
    _extendStatics(d, b);
    function __() {
      this.constructor = d;
    }
    d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
  };
}();
var __assign = this && this.__assign || function () {
  __assign = Object.assign || function (t) {
    for (var s, i = 1, n = arguments.length; i < n; i++) {
      s = arguments[i];
      for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];
    }
    return t;
  };
  return __assign.apply(this, arguments);
};
Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.cloneNode = exports.hasChildren = exports.isDocument = exports.isDirective = exports.isComment = exports.isText = exports.isCDATA = exports.isTag = exports.Element = exports.Document = exports.NodeWithChildren = exports.ProcessingInstruction = exports.Comment = exports.Text = exports.DataNode = exports.Node = void 0;
var domelementtype_1 = __webpack_require__(7304);
var nodeTypes = new Map([[domelementtype_1.ElementType.Tag, 1], [domelementtype_1.ElementType.Script, 1], [domelementtype_1.ElementType.Style, 1], [domelementtype_1.ElementType.Directive, 1], [domelementtype_1.ElementType.Text, 3], [domelementtype_1.ElementType.CDATA, 4], [domelementtype_1.ElementType.Comment, 8], [domelementtype_1.ElementType.Root, 9]]);
/**
 * This object will be used as the prototype for Nodes when creating a
 * DOM-Level-1-compliant structure.
 */
var Node = /** @class */function () {
  /**
   *
   * @param type The type of the node.
   */
  function Node(type) {
    this.type = type;
    /** Parent of the node */
    this.parent = null;
    /** Previous sibling */
    this.prev = null;
    /** Next sibling */
    this.next = null;
    /** The start index of the node. Requires `withStartIndices` on the handler to be `true. */
    this.startIndex = null;
    /** The end index of the node. Requires `withEndIndices` on the handler to be `true. */
    this.endIndex = null;
  }
  Object.defineProperty(Node.prototype, "nodeType", {
    // Read-only aliases
    /**
     * [DOM spec](https://dom.spec.whatwg.org/#dom-node-nodetype)-compatible
     * node {@link type}.
     */
    get: function get() {
      var _a;
      return (_a = nodeTypes.get(this.type)) !== null && _a !== void 0 ? _a : 1;
    },
    enumerable: false,
    configurable: true
  });
  Object.defineProperty(Node.prototype, "parentNode", {
    // Read-write aliases for properties
    /**
     * Same as {@link parent}.
     * [DOM spec](https://dom.spec.whatwg.org)-compatible alias.
     */
    get: function get() {
      return this.parent;
    },
    set: function set(parent) {
      this.parent = parent;
    },
    enumerable: false,
    configurable: true
  });
  Object.defineProperty(Node.prototype, "previousSibling", {
    /**
     * Same as {@link prev}.
     * [DOM spec](https://dom.spec.whatwg.org)-compatible alias.
     */
    get: function get() {
      return this.prev;
    },
    set: function set(prev) {
      this.prev = prev;
    },
    enumerable: false,
    configurable: true
  });
  Object.defineProperty(Node.prototype, "nextSibling", {
    /**
     * Same as {@link next}.
     * [DOM spec](https://dom.spec.whatwg.org)-compatible alias.
     */
    get: function get() {
      return this.next;
    },
    set: function set(next) {
      this.next = next;
    },
    enumerable: false,
    configurable: true
  });
  /**
   * Clone this node, and optionally its children.
   *
   * @param recursive Clone child nodes as well.
   * @returns A clone of the node.
   */
  Node.prototype.cloneNode = function (recursive) {
    if (recursive === void 0) {
      recursive = false;
    }
    return cloneNode(this, recursive);
  };
  return Node;
}();
exports.Node = Node;
/**
 * A node that contains some data.
 */
var DataNode = /** @class */function (_super) {
  __extends(DataNode, _super);
  /**
   * @param type The type of the node
   * @param data The content of the data node
   */
  function DataNode(type, data) {
    var _this = _super.call(this, type) || this;
    _this.data = data;
    return _this;
  }
  Object.defineProperty(DataNode.prototype, "nodeValue", {
    /**
     * Same as {@link data}.
     * [DOM spec](https://dom.spec.whatwg.org)-compatible alias.
     */
    get: function get() {
      return this.data;
    },
    set: function set(data) {
      this.data = data;
    },
    enumerable: false,
    configurable: true
  });
  return DataNode;
}(Node);
exports.DataNode = DataNode;
/**
 * Text within the document.
 */
var Text = /** @class */function (_super) {
  __extends(Text, _super);
  function Text(data) {
    return _super.call(this, domelementtype_1.ElementType.Text, data) || this;
  }
  return Text;
}(DataNode);
exports.Text = Text;
/**
 * Comments within the document.
 */
var Comment = /** @class */function (_super) {
  __extends(Comment, _super);
  function Comment(data) {
    return _super.call(this, domelementtype_1.ElementType.Comment, data) || this;
  }
  return Comment;
}(DataNode);
exports.Comment = Comment;
/**
 * Processing instructions, including doc types.
 */
var ProcessingInstruction = /** @class */function (_super) {
  __extends(ProcessingInstruction, _super);
  function ProcessingInstruction(name, data) {
    var _this = _super.call(this, domelementtype_1.ElementType.Directive, data) || this;
    _this.name = name;
    return _this;
  }
  return ProcessingInstruction;
}(DataNode);
exports.ProcessingInstruction = ProcessingInstruction;
/**
 * A `Node` that can have children.
 */
var NodeWithChildren = /** @class */function (_super) {
  __extends(NodeWithChildren, _super);
  /**
   * @param type Type of the node.
   * @param children Children of the node. Only certain node types can have children.
   */
  function NodeWithChildren(type, children) {
    var _this = _super.call(this, type) || this;
    _this.children = children;
    return _this;
  }
  Object.defineProperty(NodeWithChildren.prototype, "firstChild", {
    // Aliases
    /** First child of the node. */
    get: function get() {
      var _a;
      return (_a = this.children[0]) !== null && _a !== void 0 ? _a : null;
    },
    enumerable: false,
    configurable: true
  });
  Object.defineProperty(NodeWithChildren.prototype, "lastChild", {
    /** Last child of the node. */
    get: function get() {
      return this.children.length > 0 ? this.children[this.children.length - 1] : null;
    },
    enumerable: false,
    configurable: true
  });
  Object.defineProperty(NodeWithChildren.prototype, "childNodes", {
    /**
     * Same as {@link children}.
     * [DOM spec](https://dom.spec.whatwg.org)-compatible alias.
     */
    get: function get() {
      return this.children;
    },
    set: function set(children) {
      this.children = children;
    },
    enumerable: false,
    configurable: true
  });
  return NodeWithChildren;
}(Node);
exports.NodeWithChildren = NodeWithChildren;
/**
 * The root node of the document.
 */
var Document = /** @class */function (_super) {
  __extends(Document, _super);
  function Document(children) {
    return _super.call(this, domelementtype_1.ElementType.Root, children) || this;
  }
  return Document;
}(NodeWithChildren);
exports.Document = Document;
/**
 * An element within the DOM.
 */
var Element = /** @class */function (_super) {
  __extends(Element, _super);
  /**
   * @param name Name of the tag, eg. `div`, `span`.
   * @param attribs Object mapping attribute names to attribute values.
   * @param children Children of the node.
   */
  function Element(name, attribs, children, type) {
    if (children === void 0) {
      children = [];
    }
    if (type === void 0) {
      type = name === "script" ? domelementtype_1.ElementType.Script : name === "style" ? domelementtype_1.ElementType.Style : domelementtype_1.ElementType.Tag;
    }
    var _this = _super.call(this, type, children) || this;
    _this.name = name;
    _this.attribs = attribs;
    return _this;
  }
  Object.defineProperty(Element.prototype, "tagName", {
    // DOM Level 1 aliases
    /**
     * Same as {@link name}.
     * [DOM spec](https://dom.spec.whatwg.org)-compatible alias.
     */
    get: function get() {
      return this.name;
    },
    set: function set(name) {
      this.name = name;
    },
    enumerable: false,
    configurable: true
  });
  Object.defineProperty(Element.prototype, "attributes", {
    get: function get() {
      var _this = this;
      return Object.keys(this.attribs).map(function (name) {
        var _a, _b;
        return {
          name: name,
          value: _this.attribs[name],
          namespace: (_a = _this["x-attribsNamespace"]) === null || _a === void 0 ? void 0 : _a[name],
          prefix: (_b = _this["x-attribsPrefix"]) === null || _b === void 0 ? void 0 : _b[name]
        };
      });
    },
    enumerable: false,
    configurable: true
  });
  return Element;
}(NodeWithChildren);
exports.Element = Element;
/**
 * @param node Node to check.
 * @returns `true` if the node is a `Element`, `false` otherwise.
 */
function isTag(node) {
  return (0, domelementtype_1.isTag)(node);
}
exports.isTag = isTag;
/**
 * @param node Node to check.
 * @returns `true` if the node has the type `CDATA`, `false` otherwise.
 */
function isCDATA(node) {
  return node.type === domelementtype_1.ElementType.CDATA;
}
exports.isCDATA = isCDATA;
/**
 * @param node Node to check.
 * @returns `true` if the node has the type `Text`, `false` otherwise.
 */
function isText(node) {
  return node.type === domelementtype_1.ElementType.Text;
}
exports.isText = isText;
/**
 * @param node Node to check.
 * @returns `true` if the node has the type `Comment`, `false` otherwise.
 */
function isComment(node) {
  return node.type === domelementtype_1.ElementType.Comment;
}
exports.isComment = isComment;
/**
 * @param node Node to check.
 * @returns `true` if the node has the type `ProcessingInstruction`, `false` otherwise.
 */
function isDirective(node) {
  return node.type === domelementtype_1.ElementType.Directive;
}
exports.isDirective = isDirective;
/**
 * @param node Node to check.
 * @returns `true` if the node has the type `ProcessingInstruction`, `false` otherwise.
 */
function isDocument(node) {
  return node.type === domelementtype_1.ElementType.Root;
}
exports.isDocument = isDocument;
/**
 * @param node Node to check.
 * @returns `true` if the node is a `NodeWithChildren` (has children), `false` otherwise.
 */
function hasChildren(node) {
  return Object.prototype.hasOwnProperty.call(node, "children");
}
exports.hasChildren = hasChildren;
/**
 * Clone a node, and optionally its children.
 *
 * @param recursive Clone child nodes as well.
 * @returns A clone of the node.
 */
function cloneNode(node, recursive) {
  if (recursive === void 0) {
    recursive = false;
  }
  var result;
  if (isText(node)) {
    result = new Text(node.data);
  } else if (isComment(node)) {
    result = new Comment(node.data);
  } else if (isTag(node)) {
    var children = recursive ? cloneChildren(node.children) : [];
    var clone_1 = new Element(node.name, __assign({}, node.attribs), children);
    children.forEach(function (child) {
      return child.parent = clone_1;
    });
    if (node.namespace != null) {
      clone_1.namespace = node.namespace;
    }
    if (node["x-attribsNamespace"]) {
      clone_1["x-attribsNamespace"] = __assign({}, node["x-attribsNamespace"]);
    }
    if (node["x-attribsPrefix"]) {
      clone_1["x-attribsPrefix"] = __assign({}, node["x-attribsPrefix"]);
    }
    result = clone_1;
  } else if (isCDATA(node)) {
    var children = recursive ? cloneChildren(node.children) : [];
    var clone_2 = new NodeWithChildren(domelementtype_1.ElementType.CDATA, children);
    children.forEach(function (child) {
      return child.parent = clone_2;
    });
    result = clone_2;
  } else if (isDocument(node)) {
    var children = recursive ? cloneChildren(node.children) : [];
    var clone_3 = new Document(children);
    children.forEach(function (child) {
      return child.parent = clone_3;
    });
    if (node["x-mode"]) {
      clone_3["x-mode"] = node["x-mode"];
    }
    result = clone_3;
  } else if (isDirective(node)) {
    var instruction = new ProcessingInstruction(node.name, node.data);
    if (node["x-name"] != null) {
      instruction["x-name"] = node["x-name"];
      instruction["x-publicId"] = node["x-publicId"];
      instruction["x-systemId"] = node["x-systemId"];
    }
    result = instruction;
  } else {
    throw new Error("Not implemented yet: ".concat(node.type));
  }
  result.startIndex = node.startIndex;
  result.endIndex = node.endIndex;
  if (node.sourceCodeLocation != null) {
    result.sourceCodeLocation = node.sourceCodeLocation;
  }
  return result;
}
exports.cloneNode = cloneNode;
function cloneChildren(childs) {
  var children = childs.map(function (child) {
    return cloneNode(child, true);
  });
  for (var i = 1; i < children.length; i++) {
    children[i].prev = children[i - 1];
    children[i - 1].next = children[i];
  }
  return children;
}

/***/ }),

/***/ 3625:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {




Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.getFeed = void 0;
var stringify_1 = __webpack_require__(3633);
var legacy_1 = __webpack_require__(7344);
/**
 * Get the feed object from the root of a DOM tree.
 *
 * @param doc - The DOM to to extract the feed from.
 * @returns The feed.
 */
function getFeed(doc) {
  var feedRoot = getOneElement(isValidFeed, doc);
  return !feedRoot ? null : feedRoot.name === "feed" ? getAtomFeed(feedRoot) : getRssFeed(feedRoot);
}
exports.getFeed = getFeed;
/**
 * Parse an Atom feed.
 *
 * @param feedRoot The root of the feed.
 * @returns The parsed feed.
 */
function getAtomFeed(feedRoot) {
  var _a;
  var childs = feedRoot.children;
  var feed = {
    type: "atom",
    items: (0, legacy_1.getElementsByTagName)("entry", childs).map(function (item) {
      var _a;
      var children = item.children;
      var entry = {
        media: getMediaElements(children)
      };
      addConditionally(entry, "id", "id", children);
      addConditionally(entry, "title", "title", children);
      var href = (_a = getOneElement("link", children)) === null || _a === void 0 ? void 0 : _a.attribs.href;
      if (href) {
        entry.link = href;
      }
      var description = fetch("summary", children) || fetch("content", children);
      if (description) {
        entry.description = description;
      }
      var pubDate = fetch("updated", children);
      if (pubDate) {
        entry.pubDate = new Date(pubDate);
      }
      return entry;
    })
  };
  addConditionally(feed, "id", "id", childs);
  addConditionally(feed, "title", "title", childs);
  var href = (_a = getOneElement("link", childs)) === null || _a === void 0 ? void 0 : _a.attribs.href;
  if (href) {
    feed.link = href;
  }
  addConditionally(feed, "description", "subtitle", childs);
  var updated = fetch("updated", childs);
  if (updated) {
    feed.updated = new Date(updated);
  }
  addConditionally(feed, "author", "email", childs, true);
  return feed;
}
/**
 * Parse a RSS feed.
 *
 * @param feedRoot The root of the feed.
 * @returns The parsed feed.
 */
function getRssFeed(feedRoot) {
  var _a, _b;
  var childs = (_b = (_a = getOneElement("channel", feedRoot.children)) === null || _a === void 0 ? void 0 : _a.children) !== null && _b !== void 0 ? _b : [];
  var feed = {
    type: feedRoot.name.substr(0, 3),
    id: "",
    items: (0, legacy_1.getElementsByTagName)("item", feedRoot.children).map(function (item) {
      var children = item.children;
      var entry = {
        media: getMediaElements(children)
      };
      addConditionally(entry, "id", "guid", children);
      addConditionally(entry, "title", "title", children);
      addConditionally(entry, "link", "link", children);
      addConditionally(entry, "description", "description", children);
      var pubDate = fetch("pubDate", children);
      if (pubDate) entry.pubDate = new Date(pubDate);
      return entry;
    })
  };
  addConditionally(feed, "title", "title", childs);
  addConditionally(feed, "link", "link", childs);
  addConditionally(feed, "description", "description", childs);
  var updated = fetch("lastBuildDate", childs);
  if (updated) {
    feed.updated = new Date(updated);
  }
  addConditionally(feed, "author", "managingEditor", childs, true);
  return feed;
}
var MEDIA_KEYS_STRING = ["url", "type", "lang"];
var MEDIA_KEYS_INT = ["fileSize", "bitrate", "framerate", "samplingrate", "channels", "duration", "height", "width"];
/**
 * Get all media elements of a feed item.
 *
 * @param where Nodes to search in.
 * @returns Media elements.
 */
function getMediaElements(where) {
  return (0, legacy_1.getElementsByTagName)("media:content", where).map(function (elem) {
    var attribs = elem.attribs;
    var media = {
      medium: attribs.medium,
      isDefault: !!attribs.isDefault
    };
    for (var _i = 0, MEDIA_KEYS_STRING_1 = MEDIA_KEYS_STRING; _i < MEDIA_KEYS_STRING_1.length; _i++) {
      var attrib = MEDIA_KEYS_STRING_1[_i];
      if (attribs[attrib]) {
        media[attrib] = attribs[attrib];
      }
    }
    for (var _a = 0, MEDIA_KEYS_INT_1 = MEDIA_KEYS_INT; _a < MEDIA_KEYS_INT_1.length; _a++) {
      var attrib = MEDIA_KEYS_INT_1[_a];
      if (attribs[attrib]) {
        media[attrib] = parseInt(attribs[attrib], 10);
      }
    }
    if (attribs.expression) {
      media.expression = attribs.expression;
    }
    return media;
  });
}
/**
 * Get one element by tag name.
 *
 * @param tagName Tag name to look for
 * @param node Node to search in
 * @returns The element or null
 */
function getOneElement(tagName, node) {
  return (0, legacy_1.getElementsByTagName)(tagName, node, true, 1)[0];
}
/**
 * Get the text content of an element with a certain tag name.
 *
 * @param tagName Tag name to look for.
 * @param where  Node to search in.
 * @param recurse Whether to recurse into child nodes.
 * @returns The text content of the element.
 */
function fetch(tagName, where, recurse) {
  if (recurse === void 0) {
    recurse = false;
  }
  return (0, stringify_1.textContent)((0, legacy_1.getElementsByTagName)(tagName, where, recurse, 1)).trim();
}
/**
 * Adds a property to an object if it has a value.
 *
 * @param obj Object to be extended
 * @param prop Property name
 * @param tagName Tag name that contains the conditionally added property
 * @param where Element to search for the property
 * @param recurse Whether to recurse into child nodes.
 */
function addConditionally(obj, prop, tagName, where, recurse) {
  if (recurse === void 0) {
    recurse = false;
  }
  var val = fetch(tagName, where, recurse);
  if (val) obj[prop] = val;
}
/**
 * Checks if an element is a feed root node.
 *
 * @param value The name of the element to check.
 * @returns Whether an element is a feed root node.
 */
function isValidFeed(value) {
  return value === "rss" || value === "feed" || value === "rdf:RDF";
}

/***/ }),

/***/ 3757:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {




Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.uniqueSort = exports.compareDocumentPosition = exports.removeSubsets = void 0;
var domhandler_1 = __webpack_require__(1363);
/**
 * Given an array of nodes, remove any member that is contained by another.
 *
 * @param nodes Nodes to filter.
 * @returns Remaining nodes that aren't subtrees of each other.
 */
function removeSubsets(nodes) {
  var idx = nodes.length;
  /*
   * Check if each node (or one of its ancestors) is already contained in the
   * array.
   */
  while (--idx >= 0) {
    var node = nodes[idx];
    /*
     * Remove the node if it is not unique.
     * We are going through the array from the end, so we only
     * have to check nodes that preceed the node under consideration in the array.
     */
    if (idx > 0 && nodes.lastIndexOf(node, idx - 1) >= 0) {
      nodes.splice(idx, 1);
      continue;
    }
    for (var ancestor = node.parent; ancestor; ancestor = ancestor.parent) {
      if (nodes.includes(ancestor)) {
        nodes.splice(idx, 1);
        break;
      }
    }
  }
  return nodes;
}
exports.removeSubsets = removeSubsets;
/**
 * Compare the position of one node against another node in any other document.
 * The return value is a bitmask with the following values:
 *
 * Document order:
 * > There is an ordering, document order, defined on all the nodes in the
 * > document corresponding to the order in which the first character of the
 * > XML representation of each node occurs in the XML representation of the
 * > document after expansion of general entities. Thus, the document element
 * > node will be the first node. Element nodes occur before their children.
 * > Thus, document order orders element nodes in order of the occurrence of
 * > their start-tag in the XML (after expansion of entities). The attribute
 * > nodes of an element occur after the element and before its children. The
 * > relative order of attribute nodes is implementation-dependent./
 *
 * Source:
 * http://www.w3.org/TR/DOM-Level-3-Core/glossary.html#dt-document-order
 *
 * @param nodeA The first node to use in the comparison
 * @param nodeB The second node to use in the comparison
 * @returns A bitmask describing the input nodes' relative position.
 *
 * See http://dom.spec.whatwg.org/#dom-node-comparedocumentposition for
 * a description of these values.
 */
function compareDocumentPosition(nodeA, nodeB) {
  var aParents = [];
  var bParents = [];
  if (nodeA === nodeB) {
    return 0;
  }
  var current = (0, domhandler_1.hasChildren)(nodeA) ? nodeA : nodeA.parent;
  while (current) {
    aParents.unshift(current);
    current = current.parent;
  }
  current = (0, domhandler_1.hasChildren)(nodeB) ? nodeB : nodeB.parent;
  while (current) {
    bParents.unshift(current);
    current = current.parent;
  }
  var maxIdx = Math.min(aParents.length, bParents.length);
  var idx = 0;
  while (idx < maxIdx && aParents[idx] === bParents[idx]) {
    idx++;
  }
  if (idx === 0) {
    return 1 /* DISCONNECTED */;
  }

  var sharedParent = aParents[idx - 1];
  var siblings = sharedParent.children;
  var aSibling = aParents[idx];
  var bSibling = bParents[idx];
  if (siblings.indexOf(aSibling) > siblings.indexOf(bSibling)) {
    if (sharedParent === nodeB) {
      return 4 /* FOLLOWING */ | 16 /* CONTAINED_BY */;
    }

    return 4 /* FOLLOWING */;
  }

  if (sharedParent === nodeA) {
    return 2 /* PRECEDING */ | 8 /* CONTAINS */;
  }

  return 2 /* PRECEDING */;
}

exports.compareDocumentPosition = compareDocumentPosition;
/**
 * Sort an array of nodes based on their relative position in the document and
 * remove any duplicate nodes. If the array contains nodes that do not belong
 * to the same document, sort order is unspecified.
 *
 * @param nodes Array of DOM nodes.
 * @returns Collection of unique nodes, sorted in document order.
 */
function uniqueSort(nodes) {
  nodes = nodes.filter(function (node, i, arr) {
    return !arr.includes(node, i + 1);
  });
  nodes.sort(function (a, b) {
    var relative = compareDocumentPosition(a, b);
    if (relative & 2 /* PRECEDING */) {
      return -1;
    } else if (relative & 4 /* FOLLOWING */) {
      return 1;
    }
    return 0;
  });
  return nodes;
}
exports.uniqueSort = uniqueSort;

/***/ }),

/***/ 5511:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {




var __createBinding = this && this.__createBinding || (Object.create ? function (o, m, k, k2) {
  if (k2 === undefined) k2 = k;
  Object.defineProperty(o, k2, {
    enumerable: true,
    get: function get() {
      return m[k];
    }
  });
} : function (o, m, k, k2) {
  if (k2 === undefined) k2 = k;
  o[k2] = m[k];
});
var __exportStar = this && this.__exportStar || function (m, exports) {
  for (var p in m) if (p !== "default" && !Object.prototype.hasOwnProperty.call(exports, p)) __createBinding(exports, m, p);
};
Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.hasChildren = exports.isDocument = exports.isComment = exports.isText = exports.isCDATA = exports.isTag = void 0;
__exportStar(__webpack_require__(3633), exports);
__exportStar(__webpack_require__(6530), exports);
__exportStar(__webpack_require__(1833), exports);
__exportStar(__webpack_require__(7062), exports);
__exportStar(__webpack_require__(7344), exports);
__exportStar(__webpack_require__(3757), exports);
__exportStar(__webpack_require__(3625), exports);
/** @deprecated Use these methods from `domhandler` directly. */
var domhandler_1 = __webpack_require__(1363);
Object.defineProperty(exports, "isTag", ({
  enumerable: true,
  get: function get() {
    return domhandler_1.isTag;
  }
}));
Object.defineProperty(exports, "isCDATA", ({
  enumerable: true,
  get: function get() {
    return domhandler_1.isCDATA;
  }
}));
Object.defineProperty(exports, "isText", ({
  enumerable: true,
  get: function get() {
    return domhandler_1.isText;
  }
}));
Object.defineProperty(exports, "isComment", ({
  enumerable: true,
  get: function get() {
    return domhandler_1.isComment;
  }
}));
Object.defineProperty(exports, "isDocument", ({
  enumerable: true,
  get: function get() {
    return domhandler_1.isDocument;
  }
}));
Object.defineProperty(exports, "hasChildren", ({
  enumerable: true,
  get: function get() {
    return domhandler_1.hasChildren;
  }
}));

/***/ }),

/***/ 7344:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {




Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.getElementsByTagType = exports.getElementsByTagName = exports.getElementById = exports.getElements = exports.testElement = void 0;
var domhandler_1 = __webpack_require__(1363);
var querying_1 = __webpack_require__(7062);
var Checks = {
  tag_name: function tag_name(name) {
    if (typeof name === "function") {
      return function (elem) {
        return (0, domhandler_1.isTag)(elem) && name(elem.name);
      };
    } else if (name === "*") {
      return domhandler_1.isTag;
    }
    return function (elem) {
      return (0, domhandler_1.isTag)(elem) && elem.name === name;
    };
  },
  tag_type: function tag_type(type) {
    if (typeof type === "function") {
      return function (elem) {
        return type(elem.type);
      };
    }
    return function (elem) {
      return elem.type === type;
    };
  },
  tag_contains: function tag_contains(data) {
    if (typeof data === "function") {
      return function (elem) {
        return (0, domhandler_1.isText)(elem) && data(elem.data);
      };
    }
    return function (elem) {
      return (0, domhandler_1.isText)(elem) && elem.data === data;
    };
  }
};
/**
 * @param attrib Attribute to check.
 * @param value Attribute value to look for.
 * @returns A function to check whether the a node has an attribute with a particular value.
 */
function getAttribCheck(attrib, value) {
  if (typeof value === "function") {
    return function (elem) {
      return (0, domhandler_1.isTag)(elem) && value(elem.attribs[attrib]);
    };
  }
  return function (elem) {
    return (0, domhandler_1.isTag)(elem) && elem.attribs[attrib] === value;
  };
}
/**
 * @param a First function to combine.
 * @param b Second function to combine.
 * @returns A function taking a node and returning `true` if either
 * of the input functions returns `true` for the node.
 */
function combineFuncs(a, b) {
  return function (elem) {
    return a(elem) || b(elem);
  };
}
/**
 * @param options An object describing nodes to look for.
 * @returns A function executing all checks in `options` and returning `true`
 * if any of them match a node.
 */
function compileTest(options) {
  var funcs = Object.keys(options).map(function (key) {
    var value = options[key];
    return Object.prototype.hasOwnProperty.call(Checks, key) ? Checks[key](value) : getAttribCheck(key, value);
  });
  return funcs.length === 0 ? null : funcs.reduce(combineFuncs);
}
/**
 * @param options An object describing nodes to look for.
 * @param node The element to test.
 * @returns Whether the element matches the description in `options`.
 */
function testElement(options, node) {
  var test = compileTest(options);
  return test ? test(node) : true;
}
exports.testElement = testElement;
/**
 * @param options An object describing nodes to look for.
 * @param nodes Nodes to search through.
 * @param recurse Also consider child nodes.
 * @param limit Maximum number of nodes to return.
 * @returns All nodes that match `options`.
 */
function getElements(options, nodes, recurse, limit) {
  if (limit === void 0) {
    limit = Infinity;
  }
  var test = compileTest(options);
  return test ? (0, querying_1.filter)(test, nodes, recurse, limit) : [];
}
exports.getElements = getElements;
/**
 * @param id The unique ID attribute value to look for.
 * @param nodes Nodes to search through.
 * @param recurse Also consider child nodes.
 * @returns The node with the supplied ID.
 */
function getElementById(id, nodes, recurse) {
  if (recurse === void 0) {
    recurse = true;
  }
  if (!Array.isArray(nodes)) nodes = [nodes];
  return (0, querying_1.findOne)(getAttribCheck("id", id), nodes, recurse);
}
exports.getElementById = getElementById;
/**
 * @param tagName Tag name to search for.
 * @param nodes Nodes to search through.
 * @param recurse Also consider child nodes.
 * @param limit Maximum number of nodes to return.
 * @returns All nodes with the supplied `tagName`.
 */
function getElementsByTagName(tagName, nodes, recurse, limit) {
  if (recurse === void 0) {
    recurse = true;
  }
  if (limit === void 0) {
    limit = Infinity;
  }
  return (0, querying_1.filter)(Checks.tag_name(tagName), nodes, recurse, limit);
}
exports.getElementsByTagName = getElementsByTagName;
/**
 * @param type Element type to look for.
 * @param nodes Nodes to search through.
 * @param recurse Also consider child nodes.
 * @param limit Maximum number of nodes to return.
 * @returns All nodes with the supplied `type`.
 */
function getElementsByTagType(type, nodes, recurse, limit) {
  if (recurse === void 0) {
    recurse = true;
  }
  if (limit === void 0) {
    limit = Infinity;
  }
  return (0, querying_1.filter)(Checks.tag_type(type), nodes, recurse, limit);
}
exports.getElementsByTagType = getElementsByTagType;

/***/ }),

/***/ 1833:
/***/ ((__unused_webpack_module, exports) => {




Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.prepend = exports.prependChild = exports.append = exports.appendChild = exports.replaceElement = exports.removeElement = void 0;
/**
 * Remove an element from the dom
 *
 * @param elem The element to be removed
 */
function removeElement(elem) {
  if (elem.prev) elem.prev.next = elem.next;
  if (elem.next) elem.next.prev = elem.prev;
  if (elem.parent) {
    var childs = elem.parent.children;
    childs.splice(childs.lastIndexOf(elem), 1);
  }
}
exports.removeElement = removeElement;
/**
 * Replace an element in the dom
 *
 * @param elem The element to be replaced
 * @param replacement The element to be added
 */
function replaceElement(elem, replacement) {
  var prev = replacement.prev = elem.prev;
  if (prev) {
    prev.next = replacement;
  }
  var next = replacement.next = elem.next;
  if (next) {
    next.prev = replacement;
  }
  var parent = replacement.parent = elem.parent;
  if (parent) {
    var childs = parent.children;
    childs[childs.lastIndexOf(elem)] = replacement;
  }
}
exports.replaceElement = replaceElement;
/**
 * Append a child to an element.
 *
 * @param elem The element to append to.
 * @param child The element to be added as a child.
 */
function appendChild(elem, child) {
  removeElement(child);
  child.next = null;
  child.parent = elem;
  if (elem.children.push(child) > 1) {
    var sibling = elem.children[elem.children.length - 2];
    sibling.next = child;
    child.prev = sibling;
  } else {
    child.prev = null;
  }
}
exports.appendChild = appendChild;
/**
 * Append an element after another.
 *
 * @param elem The element to append after.
 * @param next The element be added.
 */
function append(elem, next) {
  removeElement(next);
  var parent = elem.parent;
  var currNext = elem.next;
  next.next = currNext;
  next.prev = elem;
  elem.next = next;
  next.parent = parent;
  if (currNext) {
    currNext.prev = next;
    if (parent) {
      var childs = parent.children;
      childs.splice(childs.lastIndexOf(currNext), 0, next);
    }
  } else if (parent) {
    parent.children.push(next);
  }
}
exports.append = append;
/**
 * Prepend a child to an element.
 *
 * @param elem The element to prepend before.
 * @param child The element to be added as a child.
 */
function prependChild(elem, child) {
  removeElement(child);
  child.parent = elem;
  child.prev = null;
  if (elem.children.unshift(child) !== 1) {
    var sibling = elem.children[1];
    sibling.prev = child;
    child.next = sibling;
  } else {
    child.next = null;
  }
}
exports.prependChild = prependChild;
/**
 * Prepend an element before another.
 *
 * @param elem The element to prepend before.
 * @param prev The element be added.
 */
function prepend(elem, prev) {
  removeElement(prev);
  var parent = elem.parent;
  if (parent) {
    var childs = parent.children;
    childs.splice(childs.indexOf(elem), 0, prev);
  }
  if (elem.prev) {
    elem.prev.next = prev;
  }
  prev.parent = parent;
  prev.prev = elem.prev;
  prev.next = elem;
  elem.prev = prev;
}
exports.prepend = prepend;

/***/ }),

/***/ 7062:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {




Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.findAll = exports.existsOne = exports.findOne = exports.findOneChild = exports.find = exports.filter = void 0;
var domhandler_1 = __webpack_require__(1363);
/**
 * Search a node and its children for nodes passing a test function.
 *
 * @param test Function to test nodes on.
 * @param node Node to search. Will be included in the result set if it matches.
 * @param recurse Also consider child nodes.
 * @param limit Maximum number of nodes to return.
 * @returns All nodes passing `test`.
 */
function filter(test, node, recurse, limit) {
  if (recurse === void 0) {
    recurse = true;
  }
  if (limit === void 0) {
    limit = Infinity;
  }
  if (!Array.isArray(node)) node = [node];
  return find(test, node, recurse, limit);
}
exports.filter = filter;
/**
 * Search an array of node and its children for nodes passing a test function.
 *
 * @param test Function to test nodes on.
 * @param nodes Array of nodes to search.
 * @param recurse Also consider child nodes.
 * @param limit Maximum number of nodes to return.
 * @returns All nodes passing `test`.
 */
function find(test, nodes, recurse, limit) {
  var result = [];
  for (var _i = 0, nodes_1 = nodes; _i < nodes_1.length; _i++) {
    var elem = nodes_1[_i];
    if (test(elem)) {
      result.push(elem);
      if (--limit <= 0) break;
    }
    if (recurse && (0, domhandler_1.hasChildren)(elem) && elem.children.length > 0) {
      var children = find(test, elem.children, recurse, limit);
      result.push.apply(result, children);
      limit -= children.length;
      if (limit <= 0) break;
    }
  }
  return result;
}
exports.find = find;
/**
 * Finds the first element inside of an array that matches a test function.
 *
 * @param test Function to test nodes on.
 * @param nodes Array of nodes to search.
 * @returns The first node in the array that passes `test`.
 */
function findOneChild(test, nodes) {
  return nodes.find(test);
}
exports.findOneChild = findOneChild;
/**
 * Finds one element in a tree that passes a test.
 *
 * @param test Function to test nodes on.
 * @param nodes Array of nodes to search.
 * @param recurse Also consider child nodes.
 * @returns The first child node that passes `test`.
 */
function findOne(test, nodes, recurse) {
  if (recurse === void 0) {
    recurse = true;
  }
  var elem = null;
  for (var i = 0; i < nodes.length && !elem; i++) {
    var checked = nodes[i];
    if (!(0, domhandler_1.isTag)(checked)) {
      continue;
    } else if (test(checked)) {
      elem = checked;
    } else if (recurse && checked.children.length > 0) {
      elem = findOne(test, checked.children);
    }
  }
  return elem;
}
exports.findOne = findOne;
/**
 * @param test Function to test nodes on.
 * @param nodes Array of nodes to search.
 * @returns Whether a tree of nodes contains at least one node passing a test.
 */
function existsOne(test, nodes) {
  return nodes.some(function (checked) {
    return (0, domhandler_1.isTag)(checked) && (test(checked) || checked.children.length > 0 && existsOne(test, checked.children));
  });
}
exports.existsOne = existsOne;
/**
 * Search and array of nodes and its children for nodes passing a test function.
 *
 * Same as `find`, only with less options, leading to reduced complexity.
 *
 * @param test Function to test nodes on.
 * @param nodes Array of nodes to search.
 * @returns All nodes passing `test`.
 */
function findAll(test, nodes) {
  var _a;
  var result = [];
  var stack = nodes.filter(domhandler_1.isTag);
  var elem;
  while (elem = stack.shift()) {
    var children = (_a = elem.children) === null || _a === void 0 ? void 0 : _a.filter(domhandler_1.isTag);
    if (children && children.length > 0) {
      stack.unshift.apply(stack, children);
    }
    if (test(elem)) result.push(elem);
  }
  return result;
}
exports.findAll = findAll;

/***/ }),

/***/ 3633:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {




var __importDefault = this && this.__importDefault || function (mod) {
  return mod && mod.__esModule ? mod : {
    "default": mod
  };
};
Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.innerText = exports.textContent = exports.getText = exports.getInnerHTML = exports.getOuterHTML = void 0;
var domhandler_1 = __webpack_require__(1363);
var dom_serializer_1 = __importDefault(__webpack_require__(1671));
var domelementtype_1 = __webpack_require__(7304);
/**
 * @param node Node to get the outer HTML of.
 * @param options Options for serialization.
 * @deprecated Use the `dom-serializer` module directly.
 * @returns `node`'s outer HTML.
 */
function getOuterHTML(node, options) {
  return (0, dom_serializer_1["default"])(node, options);
}
exports.getOuterHTML = getOuterHTML;
/**
 * @param node Node to get the inner HTML of.
 * @param options Options for serialization.
 * @deprecated Use the `dom-serializer` module directly.
 * @returns `node`'s inner HTML.
 */
function getInnerHTML(node, options) {
  return (0, domhandler_1.hasChildren)(node) ? node.children.map(function (node) {
    return getOuterHTML(node, options);
  }).join("") : "";
}
exports.getInnerHTML = getInnerHTML;
/**
 * Get a node's inner text. Same as `textContent`, but inserts newlines for `<br>` tags.
 *
 * @deprecated Use `textContent` instead.
 * @param node Node to get the inner text of.
 * @returns `node`'s inner text.
 */
function getText(node) {
  if (Array.isArray(node)) return node.map(getText).join("");
  if ((0, domhandler_1.isTag)(node)) return node.name === "br" ? "\n" : getText(node.children);
  if ((0, domhandler_1.isCDATA)(node)) return getText(node.children);
  if ((0, domhandler_1.isText)(node)) return node.data;
  return "";
}
exports.getText = getText;
/**
 * Get a node's text content.
 *
 * @param node Node to get the text content of.
 * @returns `node`'s text content.
 * @see {@link https://developer.mozilla.org/en-US/docs/Web/API/Node/textContent}
 */
function textContent(node) {
  if (Array.isArray(node)) return node.map(textContent).join("");
  if ((0, domhandler_1.hasChildren)(node) && !(0, domhandler_1.isComment)(node)) {
    return textContent(node.children);
  }
  if ((0, domhandler_1.isText)(node)) return node.data;
  return "";
}
exports.textContent = textContent;
/**
 * Get a node's inner text.
 *
 * @param node Node to get the inner text of.
 * @returns `node`'s inner text.
 * @see {@link https://developer.mozilla.org/en-US/docs/Web/API/Node/innerText}
 */
function innerText(node) {
  if (Array.isArray(node)) return node.map(innerText).join("");
  if ((0, domhandler_1.hasChildren)(node) && (node.type === domelementtype_1.ElementType.Tag || (0, domhandler_1.isCDATA)(node))) {
    return innerText(node.children);
  }
  if ((0, domhandler_1.isText)(node)) return node.data;
  return "";
}
exports.innerText = innerText;

/***/ }),

/***/ 6530:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {




Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.prevElementSibling = exports.nextElementSibling = exports.getName = exports.hasAttrib = exports.getAttributeValue = exports.getSiblings = exports.getParent = exports.getChildren = void 0;
var domhandler_1 = __webpack_require__(1363);
var emptyArray = [];
/**
 * Get a node's children.
 *
 * @param elem Node to get the children of.
 * @returns `elem`'s children, or an empty array.
 */
function getChildren(elem) {
  var _a;
  return (_a = elem.children) !== null && _a !== void 0 ? _a : emptyArray;
}
exports.getChildren = getChildren;
/**
 * Get a node's parent.
 *
 * @param elem Node to get the parent of.
 * @returns `elem`'s parent node.
 */
function getParent(elem) {
  return elem.parent || null;
}
exports.getParent = getParent;
/**
 * Gets an elements siblings, including the element itself.
 *
 * Attempts to get the children through the element's parent first.
 * If we don't have a parent (the element is a root node),
 * we walk the element's `prev` & `next` to get all remaining nodes.
 *
 * @param elem Element to get the siblings of.
 * @returns `elem`'s siblings.
 */
function getSiblings(elem) {
  var _a, _b;
  var parent = getParent(elem);
  if (parent != null) return getChildren(parent);
  var siblings = [elem];
  var prev = elem.prev,
    next = elem.next;
  while (prev != null) {
    siblings.unshift(prev);
    _a = prev, prev = _a.prev;
  }
  while (next != null) {
    siblings.push(next);
    _b = next, next = _b.next;
  }
  return siblings;
}
exports.getSiblings = getSiblings;
/**
 * Gets an attribute from an element.
 *
 * @param elem Element to check.
 * @param name Attribute name to retrieve.
 * @returns The element's attribute value, or `undefined`.
 */
function getAttributeValue(elem, name) {
  var _a;
  return (_a = elem.attribs) === null || _a === void 0 ? void 0 : _a[name];
}
exports.getAttributeValue = getAttributeValue;
/**
 * Checks whether an element has an attribute.
 *
 * @param elem Element to check.
 * @param name Attribute name to look for.
 * @returns Returns whether `elem` has the attribute `name`.
 */
function hasAttrib(elem, name) {
  return elem.attribs != null && Object.prototype.hasOwnProperty.call(elem.attribs, name) && elem.attribs[name] != null;
}
exports.hasAttrib = hasAttrib;
/**
 * Get the tag name of an element.
 *
 * @param elem The element to get the name for.
 * @returns The tag name of `elem`.
 */
function getName(elem) {
  return elem.name;
}
exports.getName = getName;
/**
 * Returns the next element sibling of a node.
 *
 * @param elem The element to get the next sibling of.
 * @returns `elem`'s next sibling that is a tag.
 */
function nextElementSibling(elem) {
  var _a;
  var next = elem.next;
  while (next !== null && !(0, domhandler_1.isTag)(next)) _a = next, next = _a.next;
  return next;
}
exports.nextElementSibling = nextElementSibling;
/**
 * Returns the previous element sibling of a node.
 *
 * @param elem The element to get the previous sibling of.
 * @returns `elem`'s previous sibling that is a tag.
 */
function prevElementSibling(elem) {
  var _a;
  var prev = elem.prev;
  while (prev !== null && !(0, domhandler_1.isTag)(prev)) _a = prev, prev = _a.prev;
  return prev;
}
exports.prevElementSibling = prevElementSibling;

/***/ }),

/***/ 6347:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {




var __importDefault = this && this.__importDefault || function (mod) {
  return mod && mod.__esModule ? mod : {
    "default": mod
  };
};
Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.decodeHTML = exports.decodeHTMLStrict = exports.decodeXML = void 0;
var entities_json_1 = __importDefault(__webpack_require__(9323));
var legacy_json_1 = __importDefault(__webpack_require__(9591));
var xml_json_1 = __importDefault(__webpack_require__(2586));
var decode_codepoint_1 = __importDefault(__webpack_require__(8271));
var strictEntityRe = /&(?:[a-zA-Z0-9]+|#[xX][\da-fA-F]+|#\d+);/g;
exports.decodeXML = getStrictDecoder(xml_json_1["default"]);
exports.decodeHTMLStrict = getStrictDecoder(entities_json_1["default"]);
function getStrictDecoder(map) {
  var replace = getReplacer(map);
  return function (str) {
    return String(str).replace(strictEntityRe, replace);
  };
}
var sorter = function sorter(a, b) {
  return a < b ? 1 : -1;
};
exports.decodeHTML = function () {
  var legacy = Object.keys(legacy_json_1["default"]).sort(sorter);
  var keys = Object.keys(entities_json_1["default"]).sort(sorter);
  for (var i = 0, j = 0; i < keys.length; i++) {
    if (legacy[j] === keys[i]) {
      keys[i] += ";?";
      j++;
    } else {
      keys[i] += ";";
    }
  }
  var re = new RegExp("&(?:" + keys.join("|") + "|#[xX][\\da-fA-F]+;?|#\\d+;?)", "g");
  var replace = getReplacer(entities_json_1["default"]);
  function replacer(str) {
    if (str.substr(-1) !== ";") str += ";";
    return replace(str);
  }
  // TODO consider creating a merged map
  return function (str) {
    return String(str).replace(re, replacer);
  };
}();
function getReplacer(map) {
  return function replace(str) {
    if (str.charAt(1) === "#") {
      var secondChar = str.charAt(2);
      if (secondChar === "X" || secondChar === "x") {
        return decode_codepoint_1["default"](parseInt(str.substr(3), 16));
      }
      return decode_codepoint_1["default"](parseInt(str.substr(2), 10));
    }
    // eslint-disable-next-line @typescript-eslint/prefer-nullish-coalescing
    return map[str.slice(1, -1)] || str;
  };
}

/***/ }),

/***/ 8271:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {




var __importDefault = this && this.__importDefault || function (mod) {
  return mod && mod.__esModule ? mod : {
    "default": mod
  };
};
Object.defineProperty(exports, "__esModule", ({
  value: true
}));
var decode_json_1 = __importDefault(__webpack_require__(3600));
// Adapted from https://github.com/mathiasbynens/he/blob/master/src/he.js#L94-L119
var fromCodePoint =
// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
String.fromCodePoint || function (codePoint) {
  var output = "";
  if (codePoint > 0xffff) {
    codePoint -= 0x10000;
    output += String.fromCharCode(codePoint >>> 10 & 0x3ff | 0xd800);
    codePoint = 0xdc00 | codePoint & 0x3ff;
  }
  output += String.fromCharCode(codePoint);
  return output;
};
function decodeCodePoint(codePoint) {
  if (codePoint >= 0xd800 && codePoint <= 0xdfff || codePoint > 0x10ffff) {
    return "\uFFFD";
  }
  if (codePoint in decode_json_1["default"]) {
    codePoint = decode_json_1["default"][codePoint];
  }
  return fromCodePoint(codePoint);
}
exports["default"] = decodeCodePoint;

/***/ }),

/***/ 3393:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {




var __importDefault = this && this.__importDefault || function (mod) {
  return mod && mod.__esModule ? mod : {
    "default": mod
  };
};
Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.escapeUTF8 = exports.escape = exports.encodeNonAsciiHTML = exports.encodeHTML = exports.encodeXML = void 0;
var xml_json_1 = __importDefault(__webpack_require__(2586));
var inverseXML = getInverseObj(xml_json_1["default"]);
var xmlReplacer = getInverseReplacer(inverseXML);
/**
 * Encodes all non-ASCII characters, as well as characters not valid in XML
 * documents using XML entities.
 *
 * If a character has no equivalent entity, a
 * numeric hexadecimal reference (eg. `&#xfc;`) will be used.
 */
exports.encodeXML = getASCIIEncoder(inverseXML);
var entities_json_1 = __importDefault(__webpack_require__(9323));
var inverseHTML = getInverseObj(entities_json_1["default"]);
var htmlReplacer = getInverseReplacer(inverseHTML);
/**
 * Encodes all entities and non-ASCII characters in the input.
 *
 * This includes characters that are valid ASCII characters in HTML documents.
 * For example `#` will be encoded as `&num;`. To get a more compact output,
 * consider using the `encodeNonAsciiHTML` function.
 *
 * If a character has no equivalent entity, a
 * numeric hexadecimal reference (eg. `&#xfc;`) will be used.
 */
exports.encodeHTML = getInverse(inverseHTML, htmlReplacer);
/**
 * Encodes all non-ASCII characters, as well as characters not valid in HTML
 * documents using HTML entities.
 *
 * If a character has no equivalent entity, a
 * numeric hexadecimal reference (eg. `&#xfc;`) will be used.
 */
exports.encodeNonAsciiHTML = getASCIIEncoder(inverseHTML);
function getInverseObj(obj) {
  return Object.keys(obj).sort().reduce(function (inverse, name) {
    inverse[obj[name]] = "&" + name + ";";
    return inverse;
  }, {});
}
function getInverseReplacer(inverse) {
  var single = [];
  var multiple = [];
  for (var _i = 0, _a = Object.keys(inverse); _i < _a.length; _i++) {
    var k = _a[_i];
    if (k.length === 1) {
      // Add value to single array
      single.push("\\" + k);
    } else {
      // Add value to multiple array
      multiple.push(k);
    }
  }
  // Add ranges to single characters.
  single.sort();
  for (var start = 0; start < single.length - 1; start++) {
    // Find the end of a run of characters
    var end = start;
    while (end < single.length - 1 && single[end].charCodeAt(1) + 1 === single[end + 1].charCodeAt(1)) {
      end += 1;
    }
    var count = 1 + end - start;
    // We want to replace at least three characters
    if (count < 3) continue;
    single.splice(start, count, single[start] + "-" + single[end]);
  }
  multiple.unshift("[" + single.join("") + "]");
  return new RegExp(multiple.join("|"), "g");
}
// /[^\0-\x7F]/gu
var reNonASCII = /(?:[\x80-\uD7FF\uE000-\uFFFF]|[\uD800-\uDBFF][\uDC00-\uDFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])/g;
var getCodePoint =
// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
String.prototype.codePointAt != null ?
// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
function (str) {
  return str.codePointAt(0);
} :
// http://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae
function (c) {
  return (c.charCodeAt(0) - 0xd800) * 0x400 + c.charCodeAt(1) - 0xdc00 + 0x10000;
};
function singleCharReplacer(c) {
  return "&#x" + (c.length > 1 ? getCodePoint(c) : c.charCodeAt(0)).toString(16).toUpperCase() + ";";
}
function getInverse(inverse, re) {
  return function (data) {
    return data.replace(re, function (name) {
      return inverse[name];
    }).replace(reNonASCII, singleCharReplacer);
  };
}
var reEscapeChars = new RegExp(xmlReplacer.source + "|" + reNonASCII.source, "g");
/**
 * Encodes all non-ASCII characters, as well as characters not valid in XML
 * documents using numeric hexadecimal reference (eg. `&#xfc;`).
 *
 * Have a look at `escapeUTF8` if you want a more concise output at the expense
 * of reduced transportability.
 *
 * @param data String to escape.
 */
function escape(data) {
  return data.replace(reEscapeChars, singleCharReplacer);
}
exports.escape = escape;
/**
 * Encodes all characters not valid in XML documents using numeric hexadecimal
 * reference (eg. `&#xfc;`).
 *
 * Note that the output will be character-set dependent.
 *
 * @param data String to escape.
 */
function escapeUTF8(data) {
  return data.replace(xmlReplacer, singleCharReplacer);
}
exports.escapeUTF8 = escapeUTF8;
function getASCIIEncoder(obj) {
  return function (data) {
    return data.replace(reEscapeChars, function (c) {
      return obj[c] || singleCharReplacer(c);
    });
  };
}

/***/ }),

/***/ 7531:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {




Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.decodeXMLStrict = exports.decodeHTML5Strict = exports.decodeHTML4Strict = exports.decodeHTML5 = exports.decodeHTML4 = exports.decodeHTMLStrict = exports.decodeHTML = exports.decodeXML = exports.encodeHTML5 = exports.encodeHTML4 = exports.escapeUTF8 = exports.escape = exports.encodeNonAsciiHTML = exports.encodeHTML = exports.encodeXML = exports.encode = exports.decodeStrict = exports.decode = void 0;
var decode_1 = __webpack_require__(6347);
var encode_1 = __webpack_require__(3393);
/**
 * Decodes a string with entities.
 *
 * @param data String to decode.
 * @param level Optional level to decode at. 0 = XML, 1 = HTML. Default is 0.
 * @deprecated Use `decodeXML` or `decodeHTML` directly.
 */
function decode(data, level) {
  return (!level || level <= 0 ? decode_1.decodeXML : decode_1.decodeHTML)(data);
}
exports.decode = decode;
/**
 * Decodes a string with entities. Does not allow missing trailing semicolons for entities.
 *
 * @param data String to decode.
 * @param level Optional level to decode at. 0 = XML, 1 = HTML. Default is 0.
 * @deprecated Use `decodeHTMLStrict` or `decodeXML` directly.
 */
function decodeStrict(data, level) {
  return (!level || level <= 0 ? decode_1.decodeXML : decode_1.decodeHTMLStrict)(data);
}
exports.decodeStrict = decodeStrict;
/**
 * Encodes a string with entities.
 *
 * @param data String to encode.
 * @param level Optional level to encode at. 0 = XML, 1 = HTML. Default is 0.
 * @deprecated Use `encodeHTML`, `encodeXML` or `encodeNonAsciiHTML` directly.
 */
function encode(data, level) {
  return (!level || level <= 0 ? encode_1.encodeXML : encode_1.encodeHTML)(data);
}
exports.encode = encode;
var encode_2 = __webpack_require__(3393);
Object.defineProperty(exports, "encodeXML", ({
  enumerable: true,
  get: function get() {
    return encode_2.encodeXML;
  }
}));
Object.defineProperty(exports, "encodeHTML", ({
  enumerable: true,
  get: function get() {
    return encode_2.encodeHTML;
  }
}));
Object.defineProperty(exports, "encodeNonAsciiHTML", ({
  enumerable: true,
  get: function get() {
    return encode_2.encodeNonAsciiHTML;
  }
}));
Object.defineProperty(exports, "escape", ({
  enumerable: true,
  get: function get() {
    return encode_2.escape;
  }
}));
Object.defineProperty(exports, "escapeUTF8", ({
  enumerable: true,
  get: function get() {
    return encode_2.escapeUTF8;
  }
}));
// Legacy aliases (deprecated)
Object.defineProperty(exports, "encodeHTML4", ({
  enumerable: true,
  get: function get() {
    return encode_2.encodeHTML;
  }
}));
Object.defineProperty(exports, "encodeHTML5", ({
  enumerable: true,
  get: function get() {
    return encode_2.encodeHTML;
  }
}));
var decode_2 = __webpack_require__(6347);
Object.defineProperty(exports, "decodeXML", ({
  enumerable: true,
  get: function get() {
    return decode_2.decodeXML;
  }
}));
Object.defineProperty(exports, "decodeHTML", ({
  enumerable: true,
  get: function get() {
    return decode_2.decodeHTML;
  }
}));
Object.defineProperty(exports, "decodeHTMLStrict", ({
  enumerable: true,
  get: function get() {
    return decode_2.decodeHTMLStrict;
  }
}));
// Legacy aliases (deprecated)
Object.defineProperty(exports, "decodeHTML4", ({
  enumerable: true,
  get: function get() {
    return decode_2.decodeHTML;
  }
}));
Object.defineProperty(exports, "decodeHTML5", ({
  enumerable: true,
  get: function get() {
    return decode_2.decodeHTML;
  }
}));
Object.defineProperty(exports, "decodeHTML4Strict", ({
  enumerable: true,
  get: function get() {
    return decode_2.decodeHTMLStrict;
  }
}));
Object.defineProperty(exports, "decodeHTML5Strict", ({
  enumerable: true,
  get: function get() {
    return decode_2.decodeHTMLStrict;
  }
}));
Object.defineProperty(exports, "decodeXMLStrict", ({
  enumerable: true,
  get: function get() {
    return decode_2.decodeXML;
  }
}));

/***/ }),

/***/ 2369:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {




function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
var __extends = this && this.__extends || function () {
  var _extendStatics = function extendStatics(d, b) {
    _extendStatics = Object.setPrototypeOf || {
      __proto__: []
    } instanceof Array && function (d, b) {
      d.__proto__ = b;
    } || function (d, b) {
      for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p];
    };
    return _extendStatics(d, b);
  };
  return function (d, b) {
    if (typeof b !== "function" && b !== null) throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
    _extendStatics(d, b);
    function __() {
      this.constructor = d;
    }
    d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
  };
}();
var __createBinding = this && this.__createBinding || (Object.create ? function (o, m, k, k2) {
  if (k2 === undefined) k2 = k;
  Object.defineProperty(o, k2, {
    enumerable: true,
    get: function get() {
      return m[k];
    }
  });
} : function (o, m, k, k2) {
  if (k2 === undefined) k2 = k;
  o[k2] = m[k];
});
var __setModuleDefault = this && this.__setModuleDefault || (Object.create ? function (o, v) {
  Object.defineProperty(o, "default", {
    enumerable: true,
    value: v
  });
} : function (o, v) {
  o["default"] = v;
});
var __importStar = this && this.__importStar || function (mod) {
  if (mod && mod.__esModule) return mod;
  var result = {};
  if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
  __setModuleDefault(result, mod);
  return result;
};
var __importDefault = this && this.__importDefault || function (mod) {
  return mod && mod.__esModule ? mod : {
    "default": mod
  };
};
Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.parseFeed = exports.FeedHandler = void 0;
var domhandler_1 = __importDefault(__webpack_require__(1363));
var DomUtils = __importStar(__webpack_require__(5511));
var Parser_1 = __webpack_require__(8168);
var FeedItemMediaMedium;
(function (FeedItemMediaMedium) {
  FeedItemMediaMedium[FeedItemMediaMedium["image"] = 0] = "image";
  FeedItemMediaMedium[FeedItemMediaMedium["audio"] = 1] = "audio";
  FeedItemMediaMedium[FeedItemMediaMedium["video"] = 2] = "video";
  FeedItemMediaMedium[FeedItemMediaMedium["document"] = 3] = "document";
  FeedItemMediaMedium[FeedItemMediaMedium["executable"] = 4] = "executable";
})(FeedItemMediaMedium || (FeedItemMediaMedium = {}));
var FeedItemMediaExpression;
(function (FeedItemMediaExpression) {
  FeedItemMediaExpression[FeedItemMediaExpression["sample"] = 0] = "sample";
  FeedItemMediaExpression[FeedItemMediaExpression["full"] = 1] = "full";
  FeedItemMediaExpression[FeedItemMediaExpression["nonstop"] = 2] = "nonstop";
})(FeedItemMediaExpression || (FeedItemMediaExpression = {}));
// TODO: Consume data as it is coming in
var FeedHandler = /** @class */function (_super) {
  __extends(FeedHandler, _super);
  /**
   *
   * @param callback
   * @param options
   */
  function FeedHandler(callback, options) {
    var _this = this;
    if (_typeof(callback) === "object") {
      callback = undefined;
      options = callback;
    }
    _this = _super.call(this, callback, options) || this;
    return _this;
  }
  FeedHandler.prototype.onend = function () {
    var _a, _b;
    var feedRoot = getOneElement(isValidFeed, this.dom);
    if (!feedRoot) {
      this.handleCallback(new Error("couldn't find root of feed"));
      return;
    }
    var feed = {};
    if (feedRoot.name === "feed") {
      var childs = feedRoot.children;
      feed.type = "atom";
      addConditionally(feed, "id", "id", childs);
      addConditionally(feed, "title", "title", childs);
      var href = getAttribute("href", getOneElement("link", childs));
      if (href) {
        feed.link = href;
      }
      addConditionally(feed, "description", "subtitle", childs);
      var updated = fetch("updated", childs);
      if (updated) {
        feed.updated = new Date(updated);
      }
      addConditionally(feed, "author", "email", childs, true);
      feed.items = getElements("entry", childs).map(function (item) {
        var entry = {};
        var children = item.children;
        addConditionally(entry, "id", "id", children);
        addConditionally(entry, "title", "title", children);
        var href = getAttribute("href", getOneElement("link", children));
        if (href) {
          entry.link = href;
        }
        var description = fetch("summary", children) || fetch("content", children);
        if (description) {
          entry.description = description;
        }
        var pubDate = fetch("updated", children);
        if (pubDate) {
          entry.pubDate = new Date(pubDate);
        }
        entry.media = getMediaElements(children);
        return entry;
      });
    } else {
      var childs = (_b = (_a = getOneElement("channel", feedRoot.children)) === null || _a === void 0 ? void 0 : _a.children) !== null && _b !== void 0 ? _b : [];
      feed.type = feedRoot.name.substr(0, 3);
      feed.id = "";
      addConditionally(feed, "title", "title", childs);
      addConditionally(feed, "link", "link", childs);
      addConditionally(feed, "description", "description", childs);
      var updated = fetch("lastBuildDate", childs);
      if (updated) {
        feed.updated = new Date(updated);
      }
      addConditionally(feed, "author", "managingEditor", childs, true);
      feed.items = getElements("item", feedRoot.children).map(function (item) {
        var entry = {};
        var children = item.children;
        addConditionally(entry, "id", "guid", children);
        addConditionally(entry, "title", "title", children);
        addConditionally(entry, "link", "link", children);
        addConditionally(entry, "description", "description", children);
        var pubDate = fetch("pubDate", children);
        if (pubDate) entry.pubDate = new Date(pubDate);
        entry.media = getMediaElements(children);
        return entry;
      });
    }
    this.feed = feed;
    this.handleCallback(null);
  };
  return FeedHandler;
}(domhandler_1["default"]);
exports.FeedHandler = FeedHandler;
function getMediaElements(where) {
  return getElements("media:content", where).map(function (elem) {
    var media = {
      medium: elem.attribs.medium,
      isDefault: !!elem.attribs.isDefault
    };
    if (elem.attribs.url) {
      media.url = elem.attribs.url;
    }
    if (elem.attribs.fileSize) {
      media.fileSize = parseInt(elem.attribs.fileSize, 10);
    }
    if (elem.attribs.type) {
      media.type = elem.attribs.type;
    }
    if (elem.attribs.expression) {
      media.expression = elem.attribs.expression;
    }
    if (elem.attribs.bitrate) {
      media.bitrate = parseInt(elem.attribs.bitrate, 10);
    }
    if (elem.attribs.framerate) {
      media.framerate = parseInt(elem.attribs.framerate, 10);
    }
    if (elem.attribs.samplingrate) {
      media.samplingrate = parseInt(elem.attribs.samplingrate, 10);
    }
    if (elem.attribs.channels) {
      media.channels = parseInt(elem.attribs.channels, 10);
    }
    if (elem.attribs.duration) {
      media.duration = parseInt(elem.attribs.duration, 10);
    }
    if (elem.attribs.height) {
      media.height = parseInt(elem.attribs.height, 10);
    }
    if (elem.attribs.width) {
      media.width = parseInt(elem.attribs.width, 10);
    }
    if (elem.attribs.lang) {
      media.lang = elem.attribs.lang;
    }
    return media;
  });
}
function getElements(tagName, where) {
  return DomUtils.getElementsByTagName(tagName, where, true);
}
function getOneElement(tagName, node) {
  return DomUtils.getElementsByTagName(tagName, node, true, 1)[0];
}
function fetch(tagName, where, recurse) {
  if (recurse === void 0) {
    recurse = false;
  }
  return DomUtils.getText(DomUtils.getElementsByTagName(tagName, where, recurse, 1)).trim();
}
function getAttribute(name, elem) {
  if (!elem) {
    return null;
  }
  var attribs = elem.attribs;
  return attribs[name];
}
function addConditionally(obj, prop, what, where, recurse) {
  if (recurse === void 0) {
    recurse = false;
  }
  var tmp = fetch(what, where, recurse);
  if (tmp) obj[prop] = tmp;
}
function isValidFeed(value) {
  return value === "rss" || value === "feed" || value === "rdf:RDF";
}
/**
 * Parse a feed.
 *
 * @param feed The feed that should be parsed, as a string.
 * @param options Optionally, options for parsing. When using this option, you should set `xmlMode` to `true`.
 */
function parseFeed(feed, options) {
  if (options === void 0) {
    options = {
      xmlMode: true
    };
  }
  var handler = new FeedHandler(options);
  new Parser_1.Parser(handler, options).end(feed);
  return handler.feed;
}
exports.parseFeed = parseFeed;

/***/ }),

/***/ 8168:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {




var __importDefault = this && this.__importDefault || function (mod) {
  return mod && mod.__esModule ? mod : {
    "default": mod
  };
};
Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.Parser = void 0;
var Tokenizer_1 = __importDefault(__webpack_require__(6506));
var formTags = new Set(["input", "option", "optgroup", "select", "button", "datalist", "textarea"]);
var pTag = new Set(["p"]);
var openImpliesClose = {
  tr: new Set(["tr", "th", "td"]),
  th: new Set(["th"]),
  td: new Set(["thead", "th", "td"]),
  body: new Set(["head", "link", "script"]),
  li: new Set(["li"]),
  p: pTag,
  h1: pTag,
  h2: pTag,
  h3: pTag,
  h4: pTag,
  h5: pTag,
  h6: pTag,
  select: formTags,
  input: formTags,
  output: formTags,
  button: formTags,
  datalist: formTags,
  textarea: formTags,
  option: new Set(["option"]),
  optgroup: new Set(["optgroup", "option"]),
  dd: new Set(["dt", "dd"]),
  dt: new Set(["dt", "dd"]),
  address: pTag,
  article: pTag,
  aside: pTag,
  blockquote: pTag,
  details: pTag,
  div: pTag,
  dl: pTag,
  fieldset: pTag,
  figcaption: pTag,
  figure: pTag,
  footer: pTag,
  form: pTag,
  header: pTag,
  hr: pTag,
  main: pTag,
  nav: pTag,
  ol: pTag,
  pre: pTag,
  section: pTag,
  table: pTag,
  ul: pTag,
  rt: new Set(["rt", "rp"]),
  rp: new Set(["rt", "rp"]),
  tbody: new Set(["thead", "tbody"]),
  tfoot: new Set(["thead", "tbody"])
};
var voidElements = new Set(["area", "base", "basefont", "br", "col", "command", "embed", "frame", "hr", "img", "input", "isindex", "keygen", "link", "meta", "param", "source", "track", "wbr"]);
var foreignContextElements = new Set(["math", "svg"]);
var htmlIntegrationElements = new Set(["mi", "mo", "mn", "ms", "mtext", "annotation-xml", "foreignObject", "desc", "title"]);
var reNameEnd = /\s|\//;
var Parser = /** @class */function () {
  function Parser(cbs, options) {
    if (options === void 0) {
      options = {};
    }
    var _a, _b, _c, _d, _e;
    /** The start index of the last event. */
    this.startIndex = 0;
    /** The end index of the last event. */
    this.endIndex = null;
    this.tagname = "";
    this.attribname = "";
    this.attribvalue = "";
    this.attribs = null;
    this.stack = [];
    this.foreignContext = [];
    this.options = options;
    this.cbs = cbs !== null && cbs !== void 0 ? cbs : {};
    this.lowerCaseTagNames = (_a = options.lowerCaseTags) !== null && _a !== void 0 ? _a : !options.xmlMode;
    this.lowerCaseAttributeNames = (_b = options.lowerCaseAttributeNames) !== null && _b !== void 0 ? _b : !options.xmlMode;
    this.tokenizer = new ((_c = options.Tokenizer) !== null && _c !== void 0 ? _c : Tokenizer_1["default"])(this.options, this);
    (_e = (_d = this.cbs).onparserinit) === null || _e === void 0 ? void 0 : _e.call(_d, this);
  }
  Parser.prototype.updatePosition = function (initialOffset) {
    if (this.endIndex === null) {
      if (this.tokenizer.sectionStart <= initialOffset) {
        this.startIndex = 0;
      } else {
        this.startIndex = this.tokenizer.sectionStart - initialOffset;
      }
    } else {
      this.startIndex = this.endIndex + 1;
    }
    this.endIndex = this.tokenizer.getAbsoluteIndex();
  };
  // Tokenizer event handlers
  Parser.prototype.ontext = function (data) {
    var _a, _b;
    this.updatePosition(1);
    this.endIndex--;
    (_b = (_a = this.cbs).ontext) === null || _b === void 0 ? void 0 : _b.call(_a, data);
  };
  Parser.prototype.onopentagname = function (name) {
    var _a, _b;
    if (this.lowerCaseTagNames) {
      name = name.toLowerCase();
    }
    this.tagname = name;
    if (!this.options.xmlMode && Object.prototype.hasOwnProperty.call(openImpliesClose, name)) {
      var el = void 0;
      while (this.stack.length > 0 && openImpliesClose[name].has(el = this.stack[this.stack.length - 1])) {
        this.onclosetag(el);
      }
    }
    if (this.options.xmlMode || !voidElements.has(name)) {
      this.stack.push(name);
      if (foreignContextElements.has(name)) {
        this.foreignContext.push(true);
      } else if (htmlIntegrationElements.has(name)) {
        this.foreignContext.push(false);
      }
    }
    (_b = (_a = this.cbs).onopentagname) === null || _b === void 0 ? void 0 : _b.call(_a, name);
    if (this.cbs.onopentag) this.attribs = {};
  };
  Parser.prototype.onopentagend = function () {
    var _a, _b;
    this.updatePosition(1);
    if (this.attribs) {
      (_b = (_a = this.cbs).onopentag) === null || _b === void 0 ? void 0 : _b.call(_a, this.tagname, this.attribs);
      this.attribs = null;
    }
    if (!this.options.xmlMode && this.cbs.onclosetag && voidElements.has(this.tagname)) {
      this.cbs.onclosetag(this.tagname);
    }
    this.tagname = "";
  };
  Parser.prototype.onclosetag = function (name) {
    this.updatePosition(1);
    if (this.lowerCaseTagNames) {
      name = name.toLowerCase();
    }
    if (foreignContextElements.has(name) || htmlIntegrationElements.has(name)) {
      this.foreignContext.pop();
    }
    if (this.stack.length && (this.options.xmlMode || !voidElements.has(name))) {
      var pos = this.stack.lastIndexOf(name);
      if (pos !== -1) {
        if (this.cbs.onclosetag) {
          pos = this.stack.length - pos;
          while (pos--) {
            // We know the stack has sufficient elements.
            this.cbs.onclosetag(this.stack.pop());
          }
        } else this.stack.length = pos;
      } else if (name === "p" && !this.options.xmlMode) {
        this.onopentagname(name);
        this.closeCurrentTag();
      }
    } else if (!this.options.xmlMode && (name === "br" || name === "p")) {
      this.onopentagname(name);
      this.closeCurrentTag();
    }
  };
  Parser.prototype.onselfclosingtag = function () {
    if (this.options.xmlMode || this.options.recognizeSelfClosing || this.foreignContext[this.foreignContext.length - 1]) {
      this.closeCurrentTag();
    } else {
      this.onopentagend();
    }
  };
  Parser.prototype.closeCurrentTag = function () {
    var _a, _b;
    var name = this.tagname;
    this.onopentagend();
    /*
     * Self-closing tags will be on the top of the stack
     * (cheaper check than in onclosetag)
     */
    if (this.stack[this.stack.length - 1] === name) {
      (_b = (_a = this.cbs).onclosetag) === null || _b === void 0 ? void 0 : _b.call(_a, name);
      this.stack.pop();
    }
  };
  Parser.prototype.onattribname = function (name) {
    if (this.lowerCaseAttributeNames) {
      name = name.toLowerCase();
    }
    this.attribname = name;
  };
  Parser.prototype.onattribdata = function (value) {
    this.attribvalue += value;
  };
  Parser.prototype.onattribend = function (quote) {
    var _a, _b;
    (_b = (_a = this.cbs).onattribute) === null || _b === void 0 ? void 0 : _b.call(_a, this.attribname, this.attribvalue, quote);
    if (this.attribs && !Object.prototype.hasOwnProperty.call(this.attribs, this.attribname)) {
      this.attribs[this.attribname] = this.attribvalue;
    }
    this.attribname = "";
    this.attribvalue = "";
  };
  Parser.prototype.getInstructionName = function (value) {
    var idx = value.search(reNameEnd);
    var name = idx < 0 ? value : value.substr(0, idx);
    if (this.lowerCaseTagNames) {
      name = name.toLowerCase();
    }
    return name;
  };
  Parser.prototype.ondeclaration = function (value) {
    if (this.cbs.onprocessinginstruction) {
      var name_1 = this.getInstructionName(value);
      this.cbs.onprocessinginstruction("!" + name_1, "!" + value);
    }
  };
  Parser.prototype.onprocessinginstruction = function (value) {
    if (this.cbs.onprocessinginstruction) {
      var name_2 = this.getInstructionName(value);
      this.cbs.onprocessinginstruction("?" + name_2, "?" + value);
    }
  };
  Parser.prototype.oncomment = function (value) {
    var _a, _b, _c, _d;
    this.updatePosition(4);
    (_b = (_a = this.cbs).oncomment) === null || _b === void 0 ? void 0 : _b.call(_a, value);
    (_d = (_c = this.cbs).oncommentend) === null || _d === void 0 ? void 0 : _d.call(_c);
  };
  Parser.prototype.oncdata = function (value) {
    var _a, _b, _c, _d, _e, _f;
    this.updatePosition(1);
    if (this.options.xmlMode || this.options.recognizeCDATA) {
      (_b = (_a = this.cbs).oncdatastart) === null || _b === void 0 ? void 0 : _b.call(_a);
      (_d = (_c = this.cbs).ontext) === null || _d === void 0 ? void 0 : _d.call(_c, value);
      (_f = (_e = this.cbs).oncdataend) === null || _f === void 0 ? void 0 : _f.call(_e);
    } else {
      this.oncomment("[CDATA[" + value + "]]");
    }
  };
  Parser.prototype.onerror = function (err) {
    var _a, _b;
    (_b = (_a = this.cbs).onerror) === null || _b === void 0 ? void 0 : _b.call(_a, err);
  };
  Parser.prototype.onend = function () {
    var _a, _b;
    if (this.cbs.onclosetag) {
      for (var i = this.stack.length; i > 0; this.cbs.onclosetag(this.stack[--i]));
    }
    (_b = (_a = this.cbs).onend) === null || _b === void 0 ? void 0 : _b.call(_a);
  };
  /**
   * Resets the parser to a blank state, ready to parse a new HTML document
   */
  Parser.prototype.reset = function () {
    var _a, _b, _c, _d;
    (_b = (_a = this.cbs).onreset) === null || _b === void 0 ? void 0 : _b.call(_a);
    this.tokenizer.reset();
    this.tagname = "";
    this.attribname = "";
    this.attribs = null;
    this.stack = [];
    (_d = (_c = this.cbs).onparserinit) === null || _d === void 0 ? void 0 : _d.call(_c, this);
  };
  /**
   * Resets the parser, then parses a complete document and
   * pushes it to the handler.
   *
   * @param data Document to parse.
   */
  Parser.prototype.parseComplete = function (data) {
    this.reset();
    this.end(data);
  };
  /**
   * Parses a chunk of data and calls the corresponding callbacks.
   *
   * @param chunk Chunk to parse.
   */
  Parser.prototype.write = function (chunk) {
    this.tokenizer.write(chunk);
  };
  /**
   * Parses the end of the buffer and clears the stack, calls onend.
   *
   * @param chunk Optional final chunk to parse.
   */
  Parser.prototype.end = function (chunk) {
    this.tokenizer.end(chunk);
  };
  /**
   * Pauses parsing. The parser won't emit events until `resume` is called.
   */
  Parser.prototype.pause = function () {
    this.tokenizer.pause();
  };
  /**
   * Resumes parsing after `pause` was called.
   */
  Parser.prototype.resume = function () {
    this.tokenizer.resume();
  };
  /**
   * Alias of `write`, for backwards compatibility.
   *
   * @param chunk Chunk to parse.
   * @deprecated
   */
  Parser.prototype.parseChunk = function (chunk) {
    this.write(chunk);
  };
  /**
   * Alias of `end`, for backwards compatibility.
   *
   * @param chunk Optional final chunk to parse.
   * @deprecated
   */
  Parser.prototype.done = function (chunk) {
    this.end(chunk);
  };
  return Parser;
}();
exports.Parser = Parser;

/***/ }),

/***/ 6506:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {




var __importDefault = this && this.__importDefault || function (mod) {
  return mod && mod.__esModule ? mod : {
    "default": mod
  };
};
Object.defineProperty(exports, "__esModule", ({
  value: true
}));
var decode_codepoint_1 = __importDefault(__webpack_require__(8271));
var entities_json_1 = __importDefault(__webpack_require__(9323));
var legacy_json_1 = __importDefault(__webpack_require__(9591));
var xml_json_1 = __importDefault(__webpack_require__(2586));
function whitespace(c) {
  return c === " " || c === "\n" || c === "\t" || c === "\f" || c === "\r";
}
function isASCIIAlpha(c) {
  return c >= "a" && c <= "z" || c >= "A" && c <= "Z";
}
function ifElseState(upper, SUCCESS, FAILURE) {
  var lower = upper.toLowerCase();
  if (upper === lower) {
    return function (t, c) {
      if (c === lower) {
        t._state = SUCCESS;
      } else {
        t._state = FAILURE;
        t._index--;
      }
    };
  }
  return function (t, c) {
    if (c === lower || c === upper) {
      t._state = SUCCESS;
    } else {
      t._state = FAILURE;
      t._index--;
    }
  };
}
function consumeSpecialNameChar(upper, NEXT_STATE) {
  var lower = upper.toLowerCase();
  return function (t, c) {
    if (c === lower || c === upper) {
      t._state = NEXT_STATE;
    } else {
      t._state = 3 /* InTagName */;
      t._index--; // Consume the token again
    }
  };
}

var stateBeforeCdata1 = ifElseState("C", 24 /* BeforeCdata2 */, 16 /* InDeclaration */);
var stateBeforeCdata2 = ifElseState("D", 25 /* BeforeCdata3 */, 16 /* InDeclaration */);
var stateBeforeCdata3 = ifElseState("A", 26 /* BeforeCdata4 */, 16 /* InDeclaration */);
var stateBeforeCdata4 = ifElseState("T", 27 /* BeforeCdata5 */, 16 /* InDeclaration */);
var stateBeforeCdata5 = ifElseState("A", 28 /* BeforeCdata6 */, 16 /* InDeclaration */);
var stateBeforeScript1 = consumeSpecialNameChar("R", 35 /* BeforeScript2 */);
var stateBeforeScript2 = consumeSpecialNameChar("I", 36 /* BeforeScript3 */);
var stateBeforeScript3 = consumeSpecialNameChar("P", 37 /* BeforeScript4 */);
var stateBeforeScript4 = consumeSpecialNameChar("T", 38 /* BeforeScript5 */);
var stateAfterScript1 = ifElseState("R", 40 /* AfterScript2 */, 1 /* Text */);
var stateAfterScript2 = ifElseState("I", 41 /* AfterScript3 */, 1 /* Text */);
var stateAfterScript3 = ifElseState("P", 42 /* AfterScript4 */, 1 /* Text */);
var stateAfterScript4 = ifElseState("T", 43 /* AfterScript5 */, 1 /* Text */);
var stateBeforeStyle1 = consumeSpecialNameChar("Y", 45 /* BeforeStyle2 */);
var stateBeforeStyle2 = consumeSpecialNameChar("L", 46 /* BeforeStyle3 */);
var stateBeforeStyle3 = consumeSpecialNameChar("E", 47 /* BeforeStyle4 */);
var stateAfterStyle1 = ifElseState("Y", 49 /* AfterStyle2 */, 1 /* Text */);
var stateAfterStyle2 = ifElseState("L", 50 /* AfterStyle3 */, 1 /* Text */);
var stateAfterStyle3 = ifElseState("E", 51 /* AfterStyle4 */, 1 /* Text */);
var stateBeforeSpecialT = consumeSpecialNameChar("I", 54 /* BeforeTitle1 */);
var stateBeforeTitle1 = consumeSpecialNameChar("T", 55 /* BeforeTitle2 */);
var stateBeforeTitle2 = consumeSpecialNameChar("L", 56 /* BeforeTitle3 */);
var stateBeforeTitle3 = consumeSpecialNameChar("E", 57 /* BeforeTitle4 */);
var stateAfterSpecialTEnd = ifElseState("I", 58 /* AfterTitle1 */, 1 /* Text */);
var stateAfterTitle1 = ifElseState("T", 59 /* AfterTitle2 */, 1 /* Text */);
var stateAfterTitle2 = ifElseState("L", 60 /* AfterTitle3 */, 1 /* Text */);
var stateAfterTitle3 = ifElseState("E", 61 /* AfterTitle4 */, 1 /* Text */);
var stateBeforeEntity = ifElseState("#", 63 /* BeforeNumericEntity */, 64 /* InNamedEntity */);
var stateBeforeNumericEntity = ifElseState("X", 66 /* InHexEntity */, 65 /* InNumericEntity */);
var Tokenizer = /** @class */function () {
  function Tokenizer(options, cbs) {
    var _a;
    /** The current state the tokenizer is in. */
    this._state = 1 /* Text */;
    /** The read buffer. */
    this.buffer = "";
    /** The beginning of the section that is currently being read. */
    this.sectionStart = 0;
    /** The index within the buffer that we are currently looking at. */
    this._index = 0;
    /**
     * Data that has already been processed will be removed from the buffer occasionally.
     * `_bufferOffset` keeps track of how many characters have been removed, to make sure position information is accurate.
     */
    this.bufferOffset = 0;
    /** Some behavior, eg. when decoding entities, is done while we are in another state. This keeps track of the other state type. */
    this.baseState = 1 /* Text */;
    /** For special parsing behavior inside of script and style tags. */
    this.special = 1 /* None */;
    /** Indicates whether the tokenizer has been paused. */
    this.running = true;
    /** Indicates whether the tokenizer has finished running / `.end` has been called. */
    this.ended = false;
    this.cbs = cbs;
    this.xmlMode = !!(options === null || options === void 0 ? void 0 : options.xmlMode);
    this.decodeEntities = (_a = options === null || options === void 0 ? void 0 : options.decodeEntities) !== null && _a !== void 0 ? _a : true;
  }
  Tokenizer.prototype.reset = function () {
    this._state = 1 /* Text */;
    this.buffer = "";
    this.sectionStart = 0;
    this._index = 0;
    this.bufferOffset = 0;
    this.baseState = 1 /* Text */;
    this.special = 1 /* None */;
    this.running = true;
    this.ended = false;
  };
  Tokenizer.prototype.write = function (chunk) {
    if (this.ended) this.cbs.onerror(Error(".write() after done!"));
    this.buffer += chunk;
    this.parse();
  };
  Tokenizer.prototype.end = function (chunk) {
    if (this.ended) this.cbs.onerror(Error(".end() after done!"));
    if (chunk) this.write(chunk);
    this.ended = true;
    if (this.running) this.finish();
  };
  Tokenizer.prototype.pause = function () {
    this.running = false;
  };
  Tokenizer.prototype.resume = function () {
    this.running = true;
    if (this._index < this.buffer.length) {
      this.parse();
    }
    if (this.ended) {
      this.finish();
    }
  };
  /**
   * The current index within all of the written data.
   */
  Tokenizer.prototype.getAbsoluteIndex = function () {
    return this.bufferOffset + this._index;
  };
  Tokenizer.prototype.stateText = function (c) {
    if (c === "<") {
      if (this._index > this.sectionStart) {
        this.cbs.ontext(this.getSection());
      }
      this._state = 2 /* BeforeTagName */;
      this.sectionStart = this._index;
    } else if (this.decodeEntities && c === "&" && (this.special === 1 /* None */ || this.special === 4 /* Title */)) {
      if (this._index > this.sectionStart) {
        this.cbs.ontext(this.getSection());
      }
      this.baseState = 1 /* Text */;
      this._state = 62 /* BeforeEntity */;
      this.sectionStart = this._index;
    }
  };
  /**
   * HTML only allows ASCII alpha characters (a-z and A-Z) at the beginning of a tag name.
   *
   * XML allows a lot more characters here (@see https://www.w3.org/TR/REC-xml/#NT-NameStartChar).
   * We allow anything that wouldn't end the tag.
   */
  Tokenizer.prototype.isTagStartChar = function (c) {
    return isASCIIAlpha(c) || this.xmlMode && !whitespace(c) && c !== "/" && c !== ">";
  };
  Tokenizer.prototype.stateBeforeTagName = function (c) {
    if (c === "/") {
      this._state = 5 /* BeforeClosingTagName */;
    } else if (c === "<") {
      this.cbs.ontext(this.getSection());
      this.sectionStart = this._index;
    } else if (c === ">" || this.special !== 1 /* None */ || whitespace(c)) {
      this._state = 1 /* Text */;
    } else if (c === "!") {
      this._state = 15 /* BeforeDeclaration */;
      this.sectionStart = this._index + 1;
    } else if (c === "?") {
      this._state = 17 /* InProcessingInstruction */;
      this.sectionStart = this._index + 1;
    } else if (!this.isTagStartChar(c)) {
      this._state = 1 /* Text */;
    } else {
      this._state = !this.xmlMode && (c === "s" || c === "S") ? 32 /* BeforeSpecialS */ : !this.xmlMode && (c === "t" || c === "T") ? 52 /* BeforeSpecialT */ : 3 /* InTagName */;
      this.sectionStart = this._index;
    }
  };
  Tokenizer.prototype.stateInTagName = function (c) {
    if (c === "/" || c === ">" || whitespace(c)) {
      this.emitToken("onopentagname");
      this._state = 8 /* BeforeAttributeName */;
      this._index--;
    }
  };
  Tokenizer.prototype.stateBeforeClosingTagName = function (c) {
    if (whitespace(c)) {
      // Ignore
    } else if (c === ">") {
      this._state = 1 /* Text */;
    } else if (this.special !== 1 /* None */) {
      if (this.special !== 4 /* Title */ && (c === "s" || c === "S")) {
        this._state = 33 /* BeforeSpecialSEnd */;
      } else if (this.special === 4 /* Title */ && (c === "t" || c === "T")) {
        this._state = 53 /* BeforeSpecialTEnd */;
      } else {
        this._state = 1 /* Text */;
        this._index--;
      }
    } else if (!this.isTagStartChar(c)) {
      this._state = 20 /* InSpecialComment */;
      this.sectionStart = this._index;
    } else {
      this._state = 6 /* InClosingTagName */;
      this.sectionStart = this._index;
    }
  };
  Tokenizer.prototype.stateInClosingTagName = function (c) {
    if (c === ">" || whitespace(c)) {
      this.emitToken("onclosetag");
      this._state = 7 /* AfterClosingTagName */;
      this._index--;
    }
  };
  Tokenizer.prototype.stateAfterClosingTagName = function (c) {
    // Skip everything until ">"
    if (c === ">") {
      this._state = 1 /* Text */;
      this.sectionStart = this._index + 1;
    }
  };
  Tokenizer.prototype.stateBeforeAttributeName = function (c) {
    if (c === ">") {
      this.cbs.onopentagend();
      this._state = 1 /* Text */;
      this.sectionStart = this._index + 1;
    } else if (c === "/") {
      this._state = 4 /* InSelfClosingTag */;
    } else if (!whitespace(c)) {
      this._state = 9 /* InAttributeName */;
      this.sectionStart = this._index;
    }
  };
  Tokenizer.prototype.stateInSelfClosingTag = function (c) {
    if (c === ">") {
      this.cbs.onselfclosingtag();
      this._state = 1 /* Text */;
      this.sectionStart = this._index + 1;
      this.special = 1 /* None */; // Reset special state, in case of self-closing special tags
    } else if (!whitespace(c)) {
      this._state = 8 /* BeforeAttributeName */;
      this._index--;
    }
  };
  Tokenizer.prototype.stateInAttributeName = function (c) {
    if (c === "=" || c === "/" || c === ">" || whitespace(c)) {
      this.cbs.onattribname(this.getSection());
      this.sectionStart = -1;
      this._state = 10 /* AfterAttributeName */;
      this._index--;
    }
  };
  Tokenizer.prototype.stateAfterAttributeName = function (c) {
    if (c === "=") {
      this._state = 11 /* BeforeAttributeValue */;
    } else if (c === "/" || c === ">") {
      this.cbs.onattribend(undefined);
      this._state = 8 /* BeforeAttributeName */;
      this._index--;
    } else if (!whitespace(c)) {
      this.cbs.onattribend(undefined);
      this._state = 9 /* InAttributeName */;
      this.sectionStart = this._index;
    }
  };
  Tokenizer.prototype.stateBeforeAttributeValue = function (c) {
    if (c === '"') {
      this._state = 12 /* InAttributeValueDq */;
      this.sectionStart = this._index + 1;
    } else if (c === "'") {
      this._state = 13 /* InAttributeValueSq */;
      this.sectionStart = this._index + 1;
    } else if (!whitespace(c)) {
      this._state = 14 /* InAttributeValueNq */;
      this.sectionStart = this._index;
      this._index--; // Reconsume token
    }
  };

  Tokenizer.prototype.handleInAttributeValue = function (c, quote) {
    if (c === quote) {
      this.emitToken("onattribdata");
      this.cbs.onattribend(quote);
      this._state = 8 /* BeforeAttributeName */;
    } else if (this.decodeEntities && c === "&") {
      this.emitToken("onattribdata");
      this.baseState = this._state;
      this._state = 62 /* BeforeEntity */;
      this.sectionStart = this._index;
    }
  };
  Tokenizer.prototype.stateInAttributeValueDoubleQuotes = function (c) {
    this.handleInAttributeValue(c, '"');
  };
  Tokenizer.prototype.stateInAttributeValueSingleQuotes = function (c) {
    this.handleInAttributeValue(c, "'");
  };
  Tokenizer.prototype.stateInAttributeValueNoQuotes = function (c) {
    if (whitespace(c) || c === ">") {
      this.emitToken("onattribdata");
      this.cbs.onattribend(null);
      this._state = 8 /* BeforeAttributeName */;
      this._index--;
    } else if (this.decodeEntities && c === "&") {
      this.emitToken("onattribdata");
      this.baseState = this._state;
      this._state = 62 /* BeforeEntity */;
      this.sectionStart = this._index;
    }
  };
  Tokenizer.prototype.stateBeforeDeclaration = function (c) {
    this._state = c === "[" ? 23 /* BeforeCdata1 */ : c === "-" ? 18 /* BeforeComment */ : 16 /* InDeclaration */;
  };

  Tokenizer.prototype.stateInDeclaration = function (c) {
    if (c === ">") {
      this.cbs.ondeclaration(this.getSection());
      this._state = 1 /* Text */;
      this.sectionStart = this._index + 1;
    }
  };
  Tokenizer.prototype.stateInProcessingInstruction = function (c) {
    if (c === ">") {
      this.cbs.onprocessinginstruction(this.getSection());
      this._state = 1 /* Text */;
      this.sectionStart = this._index + 1;
    }
  };
  Tokenizer.prototype.stateBeforeComment = function (c) {
    if (c === "-") {
      this._state = 19 /* InComment */;
      this.sectionStart = this._index + 1;
    } else {
      this._state = 16 /* InDeclaration */;
    }
  };

  Tokenizer.prototype.stateInComment = function (c) {
    if (c === "-") this._state = 21 /* AfterComment1 */;
  };

  Tokenizer.prototype.stateInSpecialComment = function (c) {
    if (c === ">") {
      this.cbs.oncomment(this.buffer.substring(this.sectionStart, this._index));
      this._state = 1 /* Text */;
      this.sectionStart = this._index + 1;
    }
  };
  Tokenizer.prototype.stateAfterComment1 = function (c) {
    if (c === "-") {
      this._state = 22 /* AfterComment2 */;
    } else {
      this._state = 19 /* InComment */;
    }
  };

  Tokenizer.prototype.stateAfterComment2 = function (c) {
    if (c === ">") {
      // Remove 2 trailing chars
      this.cbs.oncomment(this.buffer.substring(this.sectionStart, this._index - 2));
      this._state = 1 /* Text */;
      this.sectionStart = this._index + 1;
    } else if (c !== "-") {
      this._state = 19 /* InComment */;
    }
    // Else: stay in AFTER_COMMENT_2 (`--->`)
  };

  Tokenizer.prototype.stateBeforeCdata6 = function (c) {
    if (c === "[") {
      this._state = 29 /* InCdata */;
      this.sectionStart = this._index + 1;
    } else {
      this._state = 16 /* InDeclaration */;
      this._index--;
    }
  };
  Tokenizer.prototype.stateInCdata = function (c) {
    if (c === "]") this._state = 30 /* AfterCdata1 */;
  };

  Tokenizer.prototype.stateAfterCdata1 = function (c) {
    if (c === "]") this._state = 31 /* AfterCdata2 */;else this._state = 29 /* InCdata */;
  };

  Tokenizer.prototype.stateAfterCdata2 = function (c) {
    if (c === ">") {
      // Remove 2 trailing chars
      this.cbs.oncdata(this.buffer.substring(this.sectionStart, this._index - 2));
      this._state = 1 /* Text */;
      this.sectionStart = this._index + 1;
    } else if (c !== "]") {
      this._state = 29 /* InCdata */;
    }
    // Else: stay in AFTER_CDATA_2 (`]]]>`)
  };

  Tokenizer.prototype.stateBeforeSpecialS = function (c) {
    if (c === "c" || c === "C") {
      this._state = 34 /* BeforeScript1 */;
    } else if (c === "t" || c === "T") {
      this._state = 44 /* BeforeStyle1 */;
    } else {
      this._state = 3 /* InTagName */;
      this._index--; // Consume the token again
    }
  };

  Tokenizer.prototype.stateBeforeSpecialSEnd = function (c) {
    if (this.special === 2 /* Script */ && (c === "c" || c === "C")) {
      this._state = 39 /* AfterScript1 */;
    } else if (this.special === 3 /* Style */ && (c === "t" || c === "T")) {
      this._state = 48 /* AfterStyle1 */;
    } else this._state = 1 /* Text */;
  };

  Tokenizer.prototype.stateBeforeSpecialLast = function (c, special) {
    if (c === "/" || c === ">" || whitespace(c)) {
      this.special = special;
    }
    this._state = 3 /* InTagName */;
    this._index--; // Consume the token again
  };

  Tokenizer.prototype.stateAfterSpecialLast = function (c, sectionStartOffset) {
    if (c === ">" || whitespace(c)) {
      this.special = 1 /* None */;
      this._state = 6 /* InClosingTagName */;
      this.sectionStart = this._index - sectionStartOffset;
      this._index--; // Reconsume the token
    } else this._state = 1 /* Text */;
  };
  // For entities terminated with a semicolon
  Tokenizer.prototype.parseFixedEntity = function (map) {
    if (map === void 0) {
      map = this.xmlMode ? xml_json_1["default"] : entities_json_1["default"];
    }
    // Offset = 1
    if (this.sectionStart + 1 < this._index) {
      var entity = this.buffer.substring(this.sectionStart + 1, this._index);
      if (Object.prototype.hasOwnProperty.call(map, entity)) {
        this.emitPartial(map[entity]);
        this.sectionStart = this._index + 1;
      }
    }
  };
  // Parses legacy entities (without trailing semicolon)
  Tokenizer.prototype.parseLegacyEntity = function () {
    var start = this.sectionStart + 1;
    // The max length of legacy entities is 6
    var limit = Math.min(this._index - start, 6);
    while (limit >= 2) {
      // The min length of legacy entities is 2
      var entity = this.buffer.substr(start, limit);
      if (Object.prototype.hasOwnProperty.call(legacy_json_1["default"], entity)) {
        this.emitPartial(legacy_json_1["default"][entity]);
        this.sectionStart += limit + 1;
        return;
      }
      limit--;
    }
  };
  Tokenizer.prototype.stateInNamedEntity = function (c) {
    if (c === ";") {
      this.parseFixedEntity();
      // Retry as legacy entity if entity wasn't parsed
      if (this.baseState === 1 /* Text */ && this.sectionStart + 1 < this._index && !this.xmlMode) {
        this.parseLegacyEntity();
      }
      this._state = this.baseState;
    } else if ((c < "0" || c > "9") && !isASCIIAlpha(c)) {
      if (this.xmlMode || this.sectionStart + 1 === this._index) {
        // Ignore
      } else if (this.baseState !== 1 /* Text */) {
        if (c !== "=") {
          // Parse as legacy entity, without allowing additional characters.
          this.parseFixedEntity(legacy_json_1["default"]);
        }
      } else {
        this.parseLegacyEntity();
      }
      this._state = this.baseState;
      this._index--;
    }
  };
  Tokenizer.prototype.decodeNumericEntity = function (offset, base, strict) {
    var sectionStart = this.sectionStart + offset;
    if (sectionStart !== this._index) {
      // Parse entity
      var entity = this.buffer.substring(sectionStart, this._index);
      var parsed = parseInt(entity, base);
      this.emitPartial(decode_codepoint_1["default"](parsed));
      this.sectionStart = strict ? this._index + 1 : this._index;
    }
    this._state = this.baseState;
  };
  Tokenizer.prototype.stateInNumericEntity = function (c) {
    if (c === ";") {
      this.decodeNumericEntity(2, 10, true);
    } else if (c < "0" || c > "9") {
      if (!this.xmlMode) {
        this.decodeNumericEntity(2, 10, false);
      } else {
        this._state = this.baseState;
      }
      this._index--;
    }
  };
  Tokenizer.prototype.stateInHexEntity = function (c) {
    if (c === ";") {
      this.decodeNumericEntity(3, 16, true);
    } else if ((c < "a" || c > "f") && (c < "A" || c > "F") && (c < "0" || c > "9")) {
      if (!this.xmlMode) {
        this.decodeNumericEntity(3, 16, false);
      } else {
        this._state = this.baseState;
      }
      this._index--;
    }
  };
  Tokenizer.prototype.cleanup = function () {
    if (this.sectionStart < 0) {
      this.buffer = "";
      this.bufferOffset += this._index;
      this._index = 0;
    } else if (this.running) {
      if (this._state === 1 /* Text */) {
        if (this.sectionStart !== this._index) {
          this.cbs.ontext(this.buffer.substr(this.sectionStart));
        }
        this.buffer = "";
        this.bufferOffset += this._index;
        this._index = 0;
      } else if (this.sectionStart === this._index) {
        // The section just started
        this.buffer = "";
        this.bufferOffset += this._index;
        this._index = 0;
      } else {
        // Remove everything unnecessary
        this.buffer = this.buffer.substr(this.sectionStart);
        this._index -= this.sectionStart;
        this.bufferOffset += this.sectionStart;
      }
      this.sectionStart = 0;
    }
  };
  /**
   * Iterates through the buffer, calling the function corresponding to the current state.
   *
   * States that are more likely to be hit are higher up, as a performance improvement.
   */
  Tokenizer.prototype.parse = function () {
    while (this._index < this.buffer.length && this.running) {
      var c = this.buffer.charAt(this._index);
      if (this._state === 1 /* Text */) {
        this.stateText(c);
      } else if (this._state === 12 /* InAttributeValueDq */) {
        this.stateInAttributeValueDoubleQuotes(c);
      } else if (this._state === 9 /* InAttributeName */) {
        this.stateInAttributeName(c);
      } else if (this._state === 19 /* InComment */) {
        this.stateInComment(c);
      } else if (this._state === 20 /* InSpecialComment */) {
        this.stateInSpecialComment(c);
      } else if (this._state === 8 /* BeforeAttributeName */) {
        this.stateBeforeAttributeName(c);
      } else if (this._state === 3 /* InTagName */) {
        this.stateInTagName(c);
      } else if (this._state === 6 /* InClosingTagName */) {
        this.stateInClosingTagName(c);
      } else if (this._state === 2 /* BeforeTagName */) {
        this.stateBeforeTagName(c);
      } else if (this._state === 10 /* AfterAttributeName */) {
        this.stateAfterAttributeName(c);
      } else if (this._state === 13 /* InAttributeValueSq */) {
        this.stateInAttributeValueSingleQuotes(c);
      } else if (this._state === 11 /* BeforeAttributeValue */) {
        this.stateBeforeAttributeValue(c);
      } else if (this._state === 5 /* BeforeClosingTagName */) {
        this.stateBeforeClosingTagName(c);
      } else if (this._state === 7 /* AfterClosingTagName */) {
        this.stateAfterClosingTagName(c);
      } else if (this._state === 32 /* BeforeSpecialS */) {
        this.stateBeforeSpecialS(c);
      } else if (this._state === 21 /* AfterComment1 */) {
        this.stateAfterComment1(c);
      } else if (this._state === 14 /* InAttributeValueNq */) {
        this.stateInAttributeValueNoQuotes(c);
      } else if (this._state === 4 /* InSelfClosingTag */) {
        this.stateInSelfClosingTag(c);
      } else if (this._state === 16 /* InDeclaration */) {
        this.stateInDeclaration(c);
      } else if (this._state === 15 /* BeforeDeclaration */) {
        this.stateBeforeDeclaration(c);
      } else if (this._state === 22 /* AfterComment2 */) {
        this.stateAfterComment2(c);
      } else if (this._state === 18 /* BeforeComment */) {
        this.stateBeforeComment(c);
      } else if (this._state === 33 /* BeforeSpecialSEnd */) {
        this.stateBeforeSpecialSEnd(c);
      } else if (this._state === 53 /* BeforeSpecialTEnd */) {
        stateAfterSpecialTEnd(this, c);
      } else if (this._state === 39 /* AfterScript1 */) {
        stateAfterScript1(this, c);
      } else if (this._state === 40 /* AfterScript2 */) {
        stateAfterScript2(this, c);
      } else if (this._state === 41 /* AfterScript3 */) {
        stateAfterScript3(this, c);
      } else if (this._state === 34 /* BeforeScript1 */) {
        stateBeforeScript1(this, c);
      } else if (this._state === 35 /* BeforeScript2 */) {
        stateBeforeScript2(this, c);
      } else if (this._state === 36 /* BeforeScript3 */) {
        stateBeforeScript3(this, c);
      } else if (this._state === 37 /* BeforeScript4 */) {
        stateBeforeScript4(this, c);
      } else if (this._state === 38 /* BeforeScript5 */) {
        this.stateBeforeSpecialLast(c, 2 /* Script */);
      } else if (this._state === 42 /* AfterScript4 */) {
        stateAfterScript4(this, c);
      } else if (this._state === 43 /* AfterScript5 */) {
        this.stateAfterSpecialLast(c, 6);
      } else if (this._state === 44 /* BeforeStyle1 */) {
        stateBeforeStyle1(this, c);
      } else if (this._state === 29 /* InCdata */) {
        this.stateInCdata(c);
      } else if (this._state === 45 /* BeforeStyle2 */) {
        stateBeforeStyle2(this, c);
      } else if (this._state === 46 /* BeforeStyle3 */) {
        stateBeforeStyle3(this, c);
      } else if (this._state === 47 /* BeforeStyle4 */) {
        this.stateBeforeSpecialLast(c, 3 /* Style */);
      } else if (this._state === 48 /* AfterStyle1 */) {
        stateAfterStyle1(this, c);
      } else if (this._state === 49 /* AfterStyle2 */) {
        stateAfterStyle2(this, c);
      } else if (this._state === 50 /* AfterStyle3 */) {
        stateAfterStyle3(this, c);
      } else if (this._state === 51 /* AfterStyle4 */) {
        this.stateAfterSpecialLast(c, 5);
      } else if (this._state === 52 /* BeforeSpecialT */) {
        stateBeforeSpecialT(this, c);
      } else if (this._state === 54 /* BeforeTitle1 */) {
        stateBeforeTitle1(this, c);
      } else if (this._state === 55 /* BeforeTitle2 */) {
        stateBeforeTitle2(this, c);
      } else if (this._state === 56 /* BeforeTitle3 */) {
        stateBeforeTitle3(this, c);
      } else if (this._state === 57 /* BeforeTitle4 */) {
        this.stateBeforeSpecialLast(c, 4 /* Title */);
      } else if (this._state === 58 /* AfterTitle1 */) {
        stateAfterTitle1(this, c);
      } else if (this._state === 59 /* AfterTitle2 */) {
        stateAfterTitle2(this, c);
      } else if (this._state === 60 /* AfterTitle3 */) {
        stateAfterTitle3(this, c);
      } else if (this._state === 61 /* AfterTitle4 */) {
        this.stateAfterSpecialLast(c, 5);
      } else if (this._state === 17 /* InProcessingInstruction */) {
        this.stateInProcessingInstruction(c);
      } else if (this._state === 64 /* InNamedEntity */) {
        this.stateInNamedEntity(c);
      } else if (this._state === 23 /* BeforeCdata1 */) {
        stateBeforeCdata1(this, c);
      } else if (this._state === 62 /* BeforeEntity */) {
        stateBeforeEntity(this, c);
      } else if (this._state === 24 /* BeforeCdata2 */) {
        stateBeforeCdata2(this, c);
      } else if (this._state === 25 /* BeforeCdata3 */) {
        stateBeforeCdata3(this, c);
      } else if (this._state === 30 /* AfterCdata1 */) {
        this.stateAfterCdata1(c);
      } else if (this._state === 31 /* AfterCdata2 */) {
        this.stateAfterCdata2(c);
      } else if (this._state === 26 /* BeforeCdata4 */) {
        stateBeforeCdata4(this, c);
      } else if (this._state === 27 /* BeforeCdata5 */) {
        stateBeforeCdata5(this, c);
      } else if (this._state === 28 /* BeforeCdata6 */) {
        this.stateBeforeCdata6(c);
      } else if (this._state === 66 /* InHexEntity */) {
        this.stateInHexEntity(c);
      } else if (this._state === 65 /* InNumericEntity */) {
        this.stateInNumericEntity(c);
        // eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
      } else if (this._state === 63 /* BeforeNumericEntity */) {
        stateBeforeNumericEntity(this, c);
      } else {
        this.cbs.onerror(Error("unknown _state"), this._state);
      }
      this._index++;
    }
    this.cleanup();
  };
  Tokenizer.prototype.finish = function () {
    // If there is remaining data, emit it in a reasonable way
    if (this.sectionStart < this._index) {
      this.handleTrailingData();
    }
    this.cbs.onend();
  };
  Tokenizer.prototype.handleTrailingData = function () {
    var data = this.buffer.substr(this.sectionStart);
    if (this._state === 29 /* InCdata */ || this._state === 30 /* AfterCdata1 */ || this._state === 31 /* AfterCdata2 */) {
      this.cbs.oncdata(data);
    } else if (this._state === 19 /* InComment */ || this._state === 21 /* AfterComment1 */ || this._state === 22 /* AfterComment2 */) {
      this.cbs.oncomment(data);
    } else if (this._state === 64 /* InNamedEntity */ && !this.xmlMode) {
      this.parseLegacyEntity();
      if (this.sectionStart < this._index) {
        this._state = this.baseState;
        this.handleTrailingData();
      }
    } else if (this._state === 65 /* InNumericEntity */ && !this.xmlMode) {
      this.decodeNumericEntity(2, 10, false);
      if (this.sectionStart < this._index) {
        this._state = this.baseState;
        this.handleTrailingData();
      }
    } else if (this._state === 66 /* InHexEntity */ && !this.xmlMode) {
      this.decodeNumericEntity(3, 16, false);
      if (this.sectionStart < this._index) {
        this._state = this.baseState;
        this.handleTrailingData();
      }
    } else if (this._state !== 3 /* InTagName */ && this._state !== 8 /* BeforeAttributeName */ && this._state !== 11 /* BeforeAttributeValue */ && this._state !== 10 /* AfterAttributeName */ && this._state !== 9 /* InAttributeName */ && this._state !== 13 /* InAttributeValueSq */ && this._state !== 12 /* InAttributeValueDq */ && this._state !== 14 /* InAttributeValueNq */ && this._state !== 6 /* InClosingTagName */) {
      this.cbs.ontext(data);
    }
    /*
     * Else, ignore remaining data
     * TODO add a way to remove current tag
     */
  };

  Tokenizer.prototype.getSection = function () {
    return this.buffer.substring(this.sectionStart, this._index);
  };
  Tokenizer.prototype.emitToken = function (name) {
    this.cbs[name](this.getSection());
    this.sectionStart = -1;
  };
  Tokenizer.prototype.emitPartial = function (value) {
    if (this.baseState !== 1 /* Text */) {
      this.cbs.onattribdata(value); // TODO implement the new event
    } else {
      this.cbs.ontext(value);
    }
  };
  return Tokenizer;
}();
exports["default"] = Tokenizer;

/***/ }),

/***/ 6124:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {




var __createBinding = this && this.__createBinding || (Object.create ? function (o, m, k, k2) {
  if (k2 === undefined) k2 = k;
  Object.defineProperty(o, k2, {
    enumerable: true,
    get: function get() {
      return m[k];
    }
  });
} : function (o, m, k, k2) {
  if (k2 === undefined) k2 = k;
  o[k2] = m[k];
});
var __setModuleDefault = this && this.__setModuleDefault || (Object.create ? function (o, v) {
  Object.defineProperty(o, "default", {
    enumerable: true,
    value: v
  });
} : function (o, v) {
  o["default"] = v;
});
var __importStar = this && this.__importStar || function (mod) {
  if (mod && mod.__esModule) return mod;
  var result = {};
  if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
  __setModuleDefault(result, mod);
  return result;
};
var __exportStar = this && this.__exportStar || function (m, exports) {
  for (var p in m) if (p !== "default" && !Object.prototype.hasOwnProperty.call(exports, p)) __createBinding(exports, m, p);
};
var __importDefault = this && this.__importDefault || function (mod) {
  return mod && mod.__esModule ? mod : {
    "default": mod
  };
};
Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.RssHandler = exports.DefaultHandler = exports.DomUtils = exports.ElementType = exports.Tokenizer = exports.createDomStream = exports.parseDOM = exports.parseDocument = exports.DomHandler = exports.Parser = void 0;
var Parser_1 = __webpack_require__(8168);
Object.defineProperty(exports, "Parser", ({
  enumerable: true,
  get: function get() {
    return Parser_1.Parser;
  }
}));
var domhandler_1 = __webpack_require__(1363);
Object.defineProperty(exports, "DomHandler", ({
  enumerable: true,
  get: function get() {
    return domhandler_1.DomHandler;
  }
}));
Object.defineProperty(exports, "DefaultHandler", ({
  enumerable: true,
  get: function get() {
    return domhandler_1.DomHandler;
  }
}));
// Helper methods
/**
 * Parses the data, returns the resulting document.
 *
 * @param data The data that should be parsed.
 * @param options Optional options for the parser and DOM builder.
 */
function parseDocument(data, options) {
  var handler = new domhandler_1.DomHandler(undefined, options);
  new Parser_1.Parser(handler, options).end(data);
  return handler.root;
}
exports.parseDocument = parseDocument;
/**
 * Parses data, returns an array of the root nodes.
 *
 * Note that the root nodes still have a `Document` node as their parent.
 * Use `parseDocument` to get the `Document` node instead.
 *
 * @param data The data that should be parsed.
 * @param options Optional options for the parser and DOM builder.
 * @deprecated Use `parseDocument` instead.
 */
function parseDOM(data, options) {
  return parseDocument(data, options).children;
}
exports.parseDOM = parseDOM;
/**
 * Creates a parser instance, with an attached DOM handler.
 *
 * @param cb A callback that will be called once parsing has been completed.
 * @param options Optional options for the parser and DOM builder.
 * @param elementCb An optional callback that will be called every time a tag has been completed inside of the DOM.
 */
function createDomStream(cb, options, elementCb) {
  var handler = new domhandler_1.DomHandler(cb, options, elementCb);
  return new Parser_1.Parser(handler, options);
}
exports.createDomStream = createDomStream;
var Tokenizer_1 = __webpack_require__(6506);
Object.defineProperty(exports, "Tokenizer", ({
  enumerable: true,
  get: function get() {
    return __importDefault(Tokenizer_1)["default"];
  }
}));
var ElementType = __importStar(__webpack_require__(7304));
exports.ElementType = ElementType;
/*
 * All of the following exports exist for backwards-compatibility.
 * They should probably be removed eventually.
 */
__exportStar(__webpack_require__(2369), exports);
exports.DomUtils = __importStar(__webpack_require__(5511));
var FeedHandler_1 = __webpack_require__(2369);
Object.defineProperty(exports, "RssHandler", ({
  enumerable: true,
  get: function get() {
    return FeedHandler_1.FeedHandler;
  }
}));

/***/ }),

/***/ 4281:
/***/ ((__unused_webpack_module, exports) => {




Object.defineProperty(exports, "__esModule", ({
  value: true
}));

/*!
 * is-plain-object <https://github.com/jonschlinkert/is-plain-object>
 *
 * Copyright (c) 2014-2017, Jon Schlinkert.
 * Released under the MIT License.
 */

function isObject(o) {
  return Object.prototype.toString.call(o) === '[object Object]';
}
function isPlainObject(o) {
  var ctor, prot;
  if (isObject(o) === false) return false;

  // If has modified constructor
  ctor = o.constructor;
  if (ctor === undefined) return true;

  // If has modified prototype
  prot = ctor.prototype;
  if (isObject(prot) === false) return false;

  // If constructor does not have an Object-specific method
  if (prot.hasOwnProperty('isPrototypeOf') === false) {
    return false;
  }

  // Most likely a plain Object
  return true;
}
exports.isPlainObject = isPlainObject;

/***/ }),

/***/ 2134:
/***/ (function(module, exports) {

var __WEBPACK_AMD_DEFINE_FACTORY__, __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
/**
 * Srcset Parser
 *
 * By Alex Bell |  MIT License
 *
 * JS Parser for the string value that appears in markup <img srcset="here">
 *
 * @returns Array [{url: _, d: _, w: _, h:_}, ...]
 *
 * Based super duper closely on the reference algorithm at:
 * https://html.spec.whatwg.org/multipage/embedded-content.html#parse-a-srcset-attribute
 *
 * Most comments are copied in directly from the spec
 * (except for comments in parens).
 */

(function (root, factory) {
  if (true) {
    // AMD. Register as an anonymous module.
    !(__WEBPACK_AMD_DEFINE_ARRAY__ = [], __WEBPACK_AMD_DEFINE_FACTORY__ = (factory),
		__WEBPACK_AMD_DEFINE_RESULT__ = (typeof __WEBPACK_AMD_DEFINE_FACTORY__ === 'function' ?
		(__WEBPACK_AMD_DEFINE_FACTORY__.apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__)) : __WEBPACK_AMD_DEFINE_FACTORY__),
		__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
  } else {}
})(this, function () {
  // 1. Let input be the value passed to this algorithm.
  return function (input) {
    // UTILITY FUNCTIONS

    // Manual is faster than RegEx
    // http://bjorn.tipling.com/state-and-regular-expressions-in-javascript
    // http://jsperf.com/whitespace-character/5
    function isSpace(c) {
      return c === " " ||
      // space
      c === "\t" ||
      // horizontal tab
      c === "\n" ||
      // new line
      c === "\f" ||
      // form feed
      c === "\r"; // carriage return
    }

    function collectCharacters(regEx) {
      var chars,
        match = regEx.exec(input.substring(pos));
      if (match) {
        chars = match[0];
        pos += chars.length;
        return chars;
      }
    }
    var inputLength = input.length,
      // (Don't use \s, to avoid matching non-breaking space)
      regexLeadingSpaces = /^[ \t\n\r\u000c]+/,
      regexLeadingCommasOrSpaces = /^[, \t\n\r\u000c]+/,
      regexLeadingNotSpaces = /^[^ \t\n\r\u000c]+/,
      regexTrailingCommas = /[,]+$/,
      regexNonNegativeInteger = /^\d+$/,
      // ( Positive or negative or unsigned integers or decimals, without or without exponents.
      // Must include at least one digit.
      // According to spec tests any decimal point must be followed by a digit.
      // No leading plus sign is allowed.)
      // https://html.spec.whatwg.org/multipage/infrastructure.html#valid-floating-point-number
      regexFloatingPoint = /^-?(?:[0-9]+|[0-9]*\.[0-9]+)(?:[eE][+-]?[0-9]+)?$/,
      url,
      descriptors,
      currentDescriptor,
      state,
      c,
      // 2. Let position be a pointer into input, initially pointing at the start
      //    of the string.
      pos = 0,
      // 3. Let candidates be an initially empty source set.
      candidates = [];

    // 4. Splitting loop: Collect a sequence of characters that are space
    //    characters or U+002C COMMA characters. If any U+002C COMMA characters
    //    were collected, that is a parse error.
    while (true) {
      collectCharacters(regexLeadingCommasOrSpaces);

      // 5. If position is past the end of input, return candidates and abort these steps.
      if (pos >= inputLength) {
        return candidates; // (we're done, this is the sole return path)
      }

      // 6. Collect a sequence of characters that are not space characters,
      //    and let that be url.
      url = collectCharacters(regexLeadingNotSpaces);

      // 7. Let descriptors be a new empty list.
      descriptors = [];

      // 8. If url ends with a U+002C COMMA character (,), follow these substeps:
      //		(1). Remove all trailing U+002C COMMA characters from url. If this removed
      //         more than one character, that is a parse error.
      if (url.slice(-1) === ",") {
        url = url.replace(regexTrailingCommas, "");
        // (Jump ahead to step 9 to skip tokenization and just push the candidate).
        parseDescriptors();

        //	Otherwise, follow these substeps:
      } else {
        tokenize();
      } // (close else of step 8)

      // 16. Return to the step labeled splitting loop.
    } // (Close of big while loop.)

    /**
     * Tokenizes descriptor properties prior to parsing
     * Returns undefined.
     */
    function tokenize() {
      // 8.1. Descriptor tokeniser: Skip whitespace
      collectCharacters(regexLeadingSpaces);

      // 8.2. Let current descriptor be the empty string.
      currentDescriptor = "";

      // 8.3. Let state be in descriptor.
      state = "in descriptor";
      while (true) {
        // 8.4. Let c be the character at position.
        c = input.charAt(pos);

        //  Do the following depending on the value of state.
        //  For the purpose of this step, "EOF" is a special character representing
        //  that position is past the end of input.

        // In descriptor
        if (state === "in descriptor") {
          // Do the following, depending on the value of c:

          // Space character
          // If current descriptor is not empty, append current descriptor to
          // descriptors and let current descriptor be the empty string.
          // Set state to after descriptor.
          if (isSpace(c)) {
            if (currentDescriptor) {
              descriptors.push(currentDescriptor);
              currentDescriptor = "";
              state = "after descriptor";
            }

            // U+002C COMMA (,)
            // Advance position to the next character in input. If current descriptor
            // is not empty, append current descriptor to descriptors. Jump to the step
            // labeled descriptor parser.
          } else if (c === ",") {
            pos += 1;
            if (currentDescriptor) {
              descriptors.push(currentDescriptor);
            }
            parseDescriptors();
            return;

            // U+0028 LEFT PARENTHESIS (()
            // Append c to current descriptor. Set state to in parens.
          } else if (c === "(") {
            currentDescriptor = currentDescriptor + c;
            state = "in parens";

            // EOF
            // If current descriptor is not empty, append current descriptor to
            // descriptors. Jump to the step labeled descriptor parser.
          } else if (c === "") {
            if (currentDescriptor) {
              descriptors.push(currentDescriptor);
            }
            parseDescriptors();
            return;

            // Anything else
            // Append c to current descriptor.
          } else {
            currentDescriptor = currentDescriptor + c;
          }
          // (end "in descriptor"

          // In parens
        } else if (state === "in parens") {
          // U+0029 RIGHT PARENTHESIS ())
          // Append c to current descriptor. Set state to in descriptor.
          if (c === ")") {
            currentDescriptor = currentDescriptor + c;
            state = "in descriptor";

            // EOF
            // Append current descriptor to descriptors. Jump to the step labeled
            // descriptor parser.
          } else if (c === "") {
            descriptors.push(currentDescriptor);
            parseDescriptors();
            return;

            // Anything else
            // Append c to current descriptor.
          } else {
            currentDescriptor = currentDescriptor + c;
          }

          // After descriptor
        } else if (state === "after descriptor") {
          // Do the following, depending on the value of c:
          // Space character: Stay in this state.
          if (isSpace(c)) {

            // EOF: Jump to the step labeled descriptor parser.
          } else if (c === "") {
            parseDescriptors();
            return;

            // Anything else
            // Set state to in descriptor. Set position to the previous character in input.
          } else {
            state = "in descriptor";
            pos -= 1;
          }
        }

        // Advance position to the next character in input.
        pos += 1;

        // Repeat this step.
      } // (close while true loop)
    }

    /**
     * Adds descriptor properties to a candidate, pushes to the candidates array
     * @return undefined
     */
    // Declared outside of the while loop so that it's only created once.
    function parseDescriptors() {
      // 9. Descriptor parser: Let error be no.
      var pError = false,
        // 10. Let width be absent.
        // 11. Let density be absent.
        // 12. Let future-compat-h be absent. (We're implementing it now as h)
        w,
        d,
        h,
        i,
        candidate = {},
        desc,
        lastChar,
        value,
        intVal,
        floatVal;

      // 13. For each descriptor in descriptors, run the appropriate set of steps
      // from the following list:
      for (i = 0; i < descriptors.length; i++) {
        desc = descriptors[i];
        lastChar = desc[desc.length - 1];
        value = desc.substring(0, desc.length - 1);
        intVal = parseInt(value, 10);
        floatVal = parseFloat(value);

        // If the descriptor consists of a valid non-negative integer followed by
        // a U+0077 LATIN SMALL LETTER W character
        if (regexNonNegativeInteger.test(value) && lastChar === "w") {
          // If width and density are not both absent, then let error be yes.
          if (w || d) {
            pError = true;
          }

          // Apply the rules for parsing non-negative integers to the descriptor.
          // If the result is zero, let error be yes.
          // Otherwise, let width be the result.
          if (intVal === 0) {
            pError = true;
          } else {
            w = intVal;
          }

          // If the descriptor consists of a valid floating-point number followed by
          // a U+0078 LATIN SMALL LETTER X character
        } else if (regexFloatingPoint.test(value) && lastChar === "x") {
          // If width, density and future-compat-h are not all absent, then let error
          // be yes.
          if (w || d || h) {
            pError = true;
          }

          // Apply the rules for parsing floating-point number values to the descriptor.
          // If the result is less than zero, let error be yes. Otherwise, let density
          // be the result.
          if (floatVal < 0) {
            pError = true;
          } else {
            d = floatVal;
          }

          // If the descriptor consists of a valid non-negative integer followed by
          // a U+0068 LATIN SMALL LETTER H character
        } else if (regexNonNegativeInteger.test(value) && lastChar === "h") {
          // If height and density are not both absent, then let error be yes.
          if (h || d) {
            pError = true;
          }

          // Apply the rules for parsing non-negative integers to the descriptor.
          // If the result is zero, let error be yes. Otherwise, let future-compat-h
          // be the result.
          if (intVal === 0) {
            pError = true;
          } else {
            h = intVal;
          }

          // Anything else, Let error be yes.
        } else {
          pError = true;
        }
      } // (close step 13 for loop)

      // 15. If error is still no, then append a new image source to candidates whose
      // URL is url, associated with a width width if not absent and a pixel
      // density density if not absent. Otherwise, there is a parse error.
      if (!pError) {
        candidate.url = url;
        if (w) {
          candidate.w = w;
        }
        if (d) {
          candidate.d = d;
        }
        if (h) {
          candidate.h = h;
        }
        candidates.push(candidate);
      } else if (console && console.log) {
        console.log("Invalid srcset descriptor found in '" + input + "' at '" + desc + "'.");
      }
    } // (close parseDescriptors fn)
  };
});

/***/ }),

/***/ 8799:
/***/ ((module) => {

var x = String;
var create = function create() {
  return {
    isColorSupported: false,
    reset: x,
    bold: x,
    dim: x,
    italic: x,
    underline: x,
    inverse: x,
    hidden: x,
    strikethrough: x,
    black: x,
    red: x,
    green: x,
    yellow: x,
    blue: x,
    magenta: x,
    cyan: x,
    white: x,
    gray: x,
    bgBlack: x,
    bgRed: x,
    bgGreen: x,
    bgYellow: x,
    bgBlue: x,
    bgMagenta: x,
    bgCyan: x,
    bgWhite: x
  };
};
module.exports = create();
module.exports.createColors = create;

/***/ }),

/***/ 8940:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {




function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, _toPropertyKey(descriptor.key), descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }
function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return _typeof(key) === "symbol" ? key : String(key); }
function _toPrimitive(input, hint) { if (_typeof(input) !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (_typeof(res) !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); }
function _get() { if (typeof Reflect !== "undefined" && Reflect.get) { _get = Reflect.get.bind(); } else { _get = function _get(target, property, receiver) { var base = _superPropBase(target, property); if (!base) return; var desc = Object.getOwnPropertyDescriptor(base, property); if (desc.get) { return desc.get.call(arguments.length < 3 ? target : receiver); } return desc.value; }; } return _get.apply(this, arguments); }
function _superPropBase(object, property) { while (!Object.prototype.hasOwnProperty.call(object, property)) { object = _getPrototypeOf(object); if (object === null) break; } return object; }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); Object.defineProperty(subClass, "prototype", { writable: false }); if (superClass) _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } return _assertThisInitialized(self); }
function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }
function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf.bind() : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
var Container = __webpack_require__(1204);
var AtRule = /*#__PURE__*/function (_Container) {
  _inherits(AtRule, _Container);
  var _super = _createSuper(AtRule);
  function AtRule(defaults) {
    var _this;
    _classCallCheck(this, AtRule);
    _this = _super.call(this, defaults);
    _this.type = 'atrule';
    return _this;
  }
  _createClass(AtRule, [{
    key: "append",
    value: function append() {
      var _get2;
      if (!this.proxyOf.nodes) this.nodes = [];
      for (var _len = arguments.length, children = new Array(_len), _key = 0; _key < _len; _key++) {
        children[_key] = arguments[_key];
      }
      return (_get2 = _get(_getPrototypeOf(AtRule.prototype), "append", this)).call.apply(_get2, [this].concat(children));
    }
  }, {
    key: "prepend",
    value: function prepend() {
      var _get3;
      if (!this.proxyOf.nodes) this.nodes = [];
      for (var _len2 = arguments.length, children = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
        children[_key2] = arguments[_key2];
      }
      return (_get3 = _get(_getPrototypeOf(AtRule.prototype), "prepend", this)).call.apply(_get3, [this].concat(children));
    }
  }]);
  return AtRule;
}(Container);
module.exports = AtRule;
AtRule["default"] = AtRule;
Container.registerAtRule(AtRule);

/***/ }),

/***/ 3102:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {




function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, _toPropertyKey(descriptor.key), descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }
function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return _typeof(key) === "symbol" ? key : String(key); }
function _toPrimitive(input, hint) { if (_typeof(input) !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (_typeof(res) !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); Object.defineProperty(subClass, "prototype", { writable: false }); if (superClass) _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } return _assertThisInitialized(self); }
function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }
function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf.bind() : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
var Node = __webpack_require__(4343);
var Comment = /*#__PURE__*/function (_Node) {
  _inherits(Comment, _Node);
  var _super = _createSuper(Comment);
  function Comment(defaults) {
    var _this;
    _classCallCheck(this, Comment);
    _this = _super.call(this, defaults);
    _this.type = 'comment';
    return _this;
  }
  return _createClass(Comment);
}(Node);
module.exports = Comment;
Comment["default"] = Comment;

/***/ }),

/***/ 1204:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {




function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }
function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter); }
function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, _toPropertyKey(descriptor.key), descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }
function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return _typeof(key) === "symbol" ? key : String(key); }
function _toPrimitive(input, hint) { if (_typeof(input) !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (_typeof(res) !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); }
function _get() { if (typeof Reflect !== "undefined" && Reflect.get) { _get = Reflect.get.bind(); } else { _get = function _get(target, property, receiver) { var base = _superPropBase(target, property); if (!base) return; var desc = Object.getOwnPropertyDescriptor(base, property); if (desc.get) { return desc.get.call(arguments.length < 3 ? target : receiver); } return desc.value; }; } return _get.apply(this, arguments); }
function _superPropBase(object, property) { while (!Object.prototype.hasOwnProperty.call(object, property)) { object = _getPrototypeOf(object); if (object === null) break; } return object; }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); Object.defineProperty(subClass, "prototype", { writable: false }); if (superClass) _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } return _assertThisInitialized(self); }
function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }
function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf.bind() : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
function _createForOfIteratorHelper(o, allowArrayLike) { var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"]; if (!it) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = it.call(o); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; }
var _require = __webpack_require__(5506),
  isClean = _require.isClean,
  my = _require.my;
var Declaration = __webpack_require__(6417);
var Comment = __webpack_require__(3102);
var Node = __webpack_require__(4343);
var parse, Rule, AtRule, Root;
function cleanSource(nodes) {
  return nodes.map(function (i) {
    if (i.nodes) i.nodes = cleanSource(i.nodes);
    delete i.source;
    return i;
  });
}
function markDirtyUp(node) {
  node[isClean] = false;
  if (node.proxyOf.nodes) {
    var _iterator = _createForOfIteratorHelper(node.proxyOf.nodes),
      _step;
    try {
      for (_iterator.s(); !(_step = _iterator.n()).done;) {
        var i = _step.value;
        markDirtyUp(i);
      }
    } catch (err) {
      _iterator.e(err);
    } finally {
      _iterator.f();
    }
  }
}
var Container = /*#__PURE__*/function (_Node) {
  _inherits(Container, _Node);
  var _super = _createSuper(Container);
  function Container() {
    _classCallCheck(this, Container);
    return _super.apply(this, arguments);
  }
  _createClass(Container, [{
    key: "push",
    value: function push(child) {
      child.parent = this;
      this.proxyOf.nodes.push(child);
      return this;
    }
  }, {
    key: "each",
    value: function each(callback) {
      if (!this.proxyOf.nodes) return undefined;
      var iterator = this.getIterator();
      var index, result;
      while (this.indexes[iterator] < this.proxyOf.nodes.length) {
        index = this.indexes[iterator];
        result = callback(this.proxyOf.nodes[index], index);
        if (result === false) break;
        this.indexes[iterator] += 1;
      }
      delete this.indexes[iterator];
      return result;
    }
  }, {
    key: "walk",
    value: function walk(callback) {
      return this.each(function (child, i) {
        var result;
        try {
          result = callback(child, i);
        } catch (e) {
          throw child.addToError(e);
        }
        if (result !== false && child.walk) {
          result = child.walk(callback);
        }
        return result;
      });
    }
  }, {
    key: "walkDecls",
    value: function walkDecls(prop, callback) {
      if (!callback) {
        callback = prop;
        return this.walk(function (child, i) {
          if (child.type === 'decl') {
            return callback(child, i);
          }
        });
      }
      if (prop instanceof RegExp) {
        return this.walk(function (child, i) {
          if (child.type === 'decl' && prop.test(child.prop)) {
            return callback(child, i);
          }
        });
      }
      return this.walk(function (child, i) {
        if (child.type === 'decl' && child.prop === prop) {
          return callback(child, i);
        }
      });
    }
  }, {
    key: "walkRules",
    value: function walkRules(selector, callback) {
      if (!callback) {
        callback = selector;
        return this.walk(function (child, i) {
          if (child.type === 'rule') {
            return callback(child, i);
          }
        });
      }
      if (selector instanceof RegExp) {
        return this.walk(function (child, i) {
          if (child.type === 'rule' && selector.test(child.selector)) {
            return callback(child, i);
          }
        });
      }
      return this.walk(function (child, i) {
        if (child.type === 'rule' && child.selector === selector) {
          return callback(child, i);
        }
      });
    }
  }, {
    key: "walkAtRules",
    value: function walkAtRules(name, callback) {
      if (!callback) {
        callback = name;
        return this.walk(function (child, i) {
          if (child.type === 'atrule') {
            return callback(child, i);
          }
        });
      }
      if (name instanceof RegExp) {
        return this.walk(function (child, i) {
          if (child.type === 'atrule' && name.test(child.name)) {
            return callback(child, i);
          }
        });
      }
      return this.walk(function (child, i) {
        if (child.type === 'atrule' && child.name === name) {
          return callback(child, i);
        }
      });
    }
  }, {
    key: "walkComments",
    value: function walkComments(callback) {
      return this.walk(function (child, i) {
        if (child.type === 'comment') {
          return callback(child, i);
        }
      });
    }
  }, {
    key: "append",
    value: function append() {
      for (var _len = arguments.length, children = new Array(_len), _key = 0; _key < _len; _key++) {
        children[_key] = arguments[_key];
      }
      for (var _i = 0, _children = children; _i < _children.length; _i++) {
        var child = _children[_i];
        var nodes = this.normalize(child, this.last);
        var _iterator2 = _createForOfIteratorHelper(nodes),
          _step2;
        try {
          for (_iterator2.s(); !(_step2 = _iterator2.n()).done;) {
            var node = _step2.value;
            this.proxyOf.nodes.push(node);
          }
        } catch (err) {
          _iterator2.e(err);
        } finally {
          _iterator2.f();
        }
      }
      this.markDirty();
      return this;
    }
  }, {
    key: "prepend",
    value: function prepend() {
      for (var _len2 = arguments.length, children = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
        children[_key2] = arguments[_key2];
      }
      children = children.reverse();
      var _iterator3 = _createForOfIteratorHelper(children),
        _step3;
      try {
        for (_iterator3.s(); !(_step3 = _iterator3.n()).done;) {
          var child = _step3.value;
          var nodes = this.normalize(child, this.first, 'prepend').reverse();
          var _iterator4 = _createForOfIteratorHelper(nodes),
            _step4;
          try {
            for (_iterator4.s(); !(_step4 = _iterator4.n()).done;) {
              var node = _step4.value;
              this.proxyOf.nodes.unshift(node);
            }
          } catch (err) {
            _iterator4.e(err);
          } finally {
            _iterator4.f();
          }
          for (var id in this.indexes) {
            this.indexes[id] = this.indexes[id] + nodes.length;
          }
        }
      } catch (err) {
        _iterator3.e(err);
      } finally {
        _iterator3.f();
      }
      this.markDirty();
      return this;
    }
  }, {
    key: "cleanRaws",
    value: function cleanRaws(keepBetween) {
      _get(_getPrototypeOf(Container.prototype), "cleanRaws", this).call(this, keepBetween);
      if (this.nodes) {
        var _iterator5 = _createForOfIteratorHelper(this.nodes),
          _step5;
        try {
          for (_iterator5.s(); !(_step5 = _iterator5.n()).done;) {
            var node = _step5.value;
            node.cleanRaws(keepBetween);
          }
        } catch (err) {
          _iterator5.e(err);
        } finally {
          _iterator5.f();
        }
      }
    }
  }, {
    key: "insertBefore",
    value: function insertBefore(exist, add) {
      var existIndex = this.index(exist);
      var type = existIndex === 0 ? 'prepend' : false;
      var nodes = this.normalize(add, this.proxyOf.nodes[existIndex], type).reverse();
      existIndex = this.index(exist);
      var _iterator6 = _createForOfIteratorHelper(nodes),
        _step6;
      try {
        for (_iterator6.s(); !(_step6 = _iterator6.n()).done;) {
          var node = _step6.value;
          this.proxyOf.nodes.splice(existIndex, 0, node);
        }
      } catch (err) {
        _iterator6.e(err);
      } finally {
        _iterator6.f();
      }
      var index;
      for (var id in this.indexes) {
        index = this.indexes[id];
        if (existIndex <= index) {
          this.indexes[id] = index + nodes.length;
        }
      }
      this.markDirty();
      return this;
    }
  }, {
    key: "insertAfter",
    value: function insertAfter(exist, add) {
      var existIndex = this.index(exist);
      var nodes = this.normalize(add, this.proxyOf.nodes[existIndex]).reverse();
      existIndex = this.index(exist);
      var _iterator7 = _createForOfIteratorHelper(nodes),
        _step7;
      try {
        for (_iterator7.s(); !(_step7 = _iterator7.n()).done;) {
          var node = _step7.value;
          this.proxyOf.nodes.splice(existIndex + 1, 0, node);
        }
      } catch (err) {
        _iterator7.e(err);
      } finally {
        _iterator7.f();
      }
      var index;
      for (var id in this.indexes) {
        index = this.indexes[id];
        if (existIndex < index) {
          this.indexes[id] = index + nodes.length;
        }
      }
      this.markDirty();
      return this;
    }
  }, {
    key: "removeChild",
    value: function removeChild(child) {
      child = this.index(child);
      this.proxyOf.nodes[child].parent = undefined;
      this.proxyOf.nodes.splice(child, 1);
      var index;
      for (var id in this.indexes) {
        index = this.indexes[id];
        if (index >= child) {
          this.indexes[id] = index - 1;
        }
      }
      this.markDirty();
      return this;
    }
  }, {
    key: "removeAll",
    value: function removeAll() {
      var _iterator8 = _createForOfIteratorHelper(this.proxyOf.nodes),
        _step8;
      try {
        for (_iterator8.s(); !(_step8 = _iterator8.n()).done;) {
          var node = _step8.value;
          node.parent = undefined;
        }
      } catch (err) {
        _iterator8.e(err);
      } finally {
        _iterator8.f();
      }
      this.proxyOf.nodes = [];
      this.markDirty();
      return this;
    }
  }, {
    key: "replaceValues",
    value: function replaceValues(pattern, opts, callback) {
      if (!callback) {
        callback = opts;
        opts = {};
      }
      this.walkDecls(function (decl) {
        if (opts.props && !opts.props.includes(decl.prop)) return;
        if (opts.fast && !decl.value.includes(opts.fast)) return;
        decl.value = decl.value.replace(pattern, callback);
      });
      this.markDirty();
      return this;
    }
  }, {
    key: "every",
    value: function every(condition) {
      return this.nodes.every(condition);
    }
  }, {
    key: "some",
    value: function some(condition) {
      return this.nodes.some(condition);
    }
  }, {
    key: "index",
    value: function index(child) {
      if (typeof child === 'number') return child;
      if (child.proxyOf) child = child.proxyOf;
      return this.proxyOf.nodes.indexOf(child);
    }
  }, {
    key: "first",
    get: function get() {
      if (!this.proxyOf.nodes) return undefined;
      return this.proxyOf.nodes[0];
    }
  }, {
    key: "last",
    get: function get() {
      if (!this.proxyOf.nodes) return undefined;
      return this.proxyOf.nodes[this.proxyOf.nodes.length - 1];
    }
  }, {
    key: "normalize",
    value: function normalize(nodes, sample) {
      var _this = this;
      if (typeof nodes === 'string') {
        nodes = cleanSource(parse(nodes).nodes);
      } else if (Array.isArray(nodes)) {
        nodes = nodes.slice(0);
        var _iterator9 = _createForOfIteratorHelper(nodes),
          _step9;
        try {
          for (_iterator9.s(); !(_step9 = _iterator9.n()).done;) {
            var i = _step9.value;
            if (i.parent) i.parent.removeChild(i, 'ignore');
          }
        } catch (err) {
          _iterator9.e(err);
        } finally {
          _iterator9.f();
        }
      } else if (nodes.type === 'root' && this.type !== 'document') {
        nodes = nodes.nodes.slice(0);
        var _iterator10 = _createForOfIteratorHelper(nodes),
          _step10;
        try {
          for (_iterator10.s(); !(_step10 = _iterator10.n()).done;) {
            var _i2 = _step10.value;
            if (_i2.parent) _i2.parent.removeChild(_i2, 'ignore');
          }
        } catch (err) {
          _iterator10.e(err);
        } finally {
          _iterator10.f();
        }
      } else if (nodes.type) {
        nodes = [nodes];
      } else if (nodes.prop) {
        if (typeof nodes.value === 'undefined') {
          throw new Error('Value field is missed in node creation');
        } else if (typeof nodes.value !== 'string') {
          nodes.value = String(nodes.value);
        }
        nodes = [new Declaration(nodes)];
      } else if (nodes.selector) {
        nodes = [new Rule(nodes)];
      } else if (nodes.name) {
        nodes = [new AtRule(nodes)];
      } else if (nodes.text) {
        nodes = [new Comment(nodes)];
      } else {
        throw new Error('Unknown node type in node creation');
      }
      var processed = nodes.map(function (i) {
        /* c8 ignore next */
        if (!i[my]) Container.rebuild(i);
        i = i.proxyOf;
        if (i.parent) i.parent.removeChild(i);
        if (i[isClean]) markDirtyUp(i);
        if (typeof i.raws.before === 'undefined') {
          if (sample && typeof sample.raws.before !== 'undefined') {
            i.raws.before = sample.raws.before.replace(/\S/g, '');
          }
        }
        i.parent = _this.proxyOf;
        return i;
      });
      return processed;
    }
  }, {
    key: "getProxyProcessor",
    value: function getProxyProcessor() {
      return {
        set: function set(node, prop, value) {
          if (node[prop] === value) return true;
          node[prop] = value;
          if (prop === 'name' || prop === 'params' || prop === 'selector') {
            node.markDirty();
          }
          return true;
        },
        get: function get(node, prop) {
          if (prop === 'proxyOf') {
            return node;
          } else if (!node[prop]) {
            return node[prop];
          } else if (prop === 'each' || typeof prop === 'string' && prop.startsWith('walk')) {
            return function () {
              for (var _len3 = arguments.length, args = new Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
                args[_key3] = arguments[_key3];
              }
              return node[prop].apply(node, _toConsumableArray(args.map(function (i) {
                if (typeof i === 'function') {
                  return function (child, index) {
                    return i(child.toProxy(), index);
                  };
                } else {
                  return i;
                }
              })));
            };
          } else if (prop === 'every' || prop === 'some') {
            return function (cb) {
              return node[prop](function (child) {
                for (var _len4 = arguments.length, other = new Array(_len4 > 1 ? _len4 - 1 : 0), _key4 = 1; _key4 < _len4; _key4++) {
                  other[_key4 - 1] = arguments[_key4];
                }
                return cb.apply(void 0, [child.toProxy()].concat(other));
              });
            };
          } else if (prop === 'root') {
            return function () {
              return node.root().toProxy();
            };
          } else if (prop === 'nodes') {
            return node.nodes.map(function (i) {
              return i.toProxy();
            });
          } else if (prop === 'first' || prop === 'last') {
            return node[prop].toProxy();
          } else {
            return node[prop];
          }
        }
      };
    }
  }, {
    key: "getIterator",
    value: function getIterator() {
      if (!this.lastEach) this.lastEach = 0;
      if (!this.indexes) this.indexes = {};
      this.lastEach += 1;
      var iterator = this.lastEach;
      this.indexes[iterator] = 0;
      return iterator;
    }
  }]);
  return Container;
}(Node);
Container.registerParse = function (dependant) {
  parse = dependant;
};
Container.registerRule = function (dependant) {
  Rule = dependant;
};
Container.registerAtRule = function (dependant) {
  AtRule = dependant;
};
Container.registerRoot = function (dependant) {
  Root = dependant;
};
module.exports = Container;
Container["default"] = Container;

/* c8 ignore start */
Container.rebuild = function (node) {
  if (node.type === 'atrule') {
    Object.setPrototypeOf(node, AtRule.prototype);
  } else if (node.type === 'rule') {
    Object.setPrototypeOf(node, Rule.prototype);
  } else if (node.type === 'decl') {
    Object.setPrototypeOf(node, Declaration.prototype);
  } else if (node.type === 'comment') {
    Object.setPrototypeOf(node, Comment.prototype);
  } else if (node.type === 'root') {
    Object.setPrototypeOf(node, Root.prototype);
  }
  node[my] = true;
  if (node.nodes) {
    node.nodes.forEach(function (child) {
      Container.rebuild(child);
    });
  }
};
/* c8 ignore stop */

/***/ }),

/***/ 1667:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {




function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, _toPropertyKey(descriptor.key), descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }
function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return _typeof(key) === "symbol" ? key : String(key); }
function _toPrimitive(input, hint) { if (_typeof(input) !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (_typeof(res) !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); Object.defineProperty(subClass, "prototype", { writable: false }); if (superClass) _setPrototypeOf(subClass, superClass); }
function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } return _assertThisInitialized(self); }
function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
function _wrapNativeSuper(Class) { var _cache = typeof Map === "function" ? new Map() : undefined; _wrapNativeSuper = function _wrapNativeSuper(Class) { if (Class === null || !_isNativeFunction(Class)) return Class; if (typeof Class !== "function") { throw new TypeError("Super expression must either be null or a function"); } if (typeof _cache !== "undefined") { if (_cache.has(Class)) return _cache.get(Class); _cache.set(Class, Wrapper); } function Wrapper() { return _construct(Class, arguments, _getPrototypeOf(this).constructor); } Wrapper.prototype = Object.create(Class.prototype, { constructor: { value: Wrapper, enumerable: false, writable: true, configurable: true } }); return _setPrototypeOf(Wrapper, Class); }; return _wrapNativeSuper(Class); }
function _construct(Parent, args, Class) { if (_isNativeReflectConstruct()) { _construct = Reflect.construct.bind(); } else { _construct = function _construct(Parent, args, Class) { var a = [null]; a.push.apply(a, args); var Constructor = Function.bind.apply(Parent, a); var instance = new Constructor(); if (Class) _setPrototypeOf(instance, Class.prototype); return instance; }; } return _construct.apply(null, arguments); }
function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }
function _isNativeFunction(fn) { return Function.toString.call(fn).indexOf("[native code]") !== -1; }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf.bind() : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
var pico = __webpack_require__(8799);
var terminalHighlight = __webpack_require__(2868);
var CssSyntaxError = /*#__PURE__*/function (_Error) {
  _inherits(CssSyntaxError, _Error);
  var _super = _createSuper(CssSyntaxError);
  function CssSyntaxError(message, line, column, source, file, plugin) {
    var _this;
    _classCallCheck(this, CssSyntaxError);
    _this = _super.call(this, message);
    _this.name = 'CssSyntaxError';
    _this.reason = message;
    if (file) {
      _this.file = file;
    }
    if (source) {
      _this.source = source;
    }
    if (plugin) {
      _this.plugin = plugin;
    }
    if (typeof line !== 'undefined' && typeof column !== 'undefined') {
      if (typeof line === 'number') {
        _this.line = line;
        _this.column = column;
      } else {
        _this.line = line.line;
        _this.column = line.column;
        _this.endLine = column.line;
        _this.endColumn = column.column;
      }
    }
    _this.setMessage();
    if (Error.captureStackTrace) {
      Error.captureStackTrace(_assertThisInitialized(_this), CssSyntaxError);
    }
    return _this;
  }
  _createClass(CssSyntaxError, [{
    key: "setMessage",
    value: function setMessage() {
      this.message = this.plugin ? this.plugin + ': ' : '';
      this.message += this.file ? this.file : '<css input>';
      if (typeof this.line !== 'undefined') {
        this.message += ':' + this.line + ':' + this.column;
      }
      this.message += ': ' + this.reason;
    }
  }, {
    key: "showSourceCode",
    value: function showSourceCode(color) {
      var _this2 = this;
      if (!this.source) return '';
      var css = this.source;
      if (color == null) color = pico.isColorSupported;
      if (terminalHighlight) {
        if (color) css = terminalHighlight(css);
      }
      var lines = css.split(/\r?\n/);
      var start = Math.max(this.line - 3, 0);
      var end = Math.min(this.line + 2, lines.length);
      var maxWidth = String(end).length;
      var mark, aside;
      if (color) {
        var _pico$createColors = pico.createColors(true),
          bold = _pico$createColors.bold,
          red = _pico$createColors.red,
          gray = _pico$createColors.gray;
        mark = function mark(text) {
          return bold(red(text));
        };
        aside = function aside(text) {
          return gray(text);
        };
      } else {
        mark = aside = function aside(str) {
          return str;
        };
      }
      return lines.slice(start, end).map(function (line, index) {
        var number = start + 1 + index;
        var gutter = ' ' + (' ' + number).slice(-maxWidth) + ' | ';
        if (number === _this2.line) {
          var spacing = aside(gutter.replace(/\d/g, ' ')) + line.slice(0, _this2.column - 1).replace(/[^\t]/g, ' ');
          return mark('>') + aside(gutter) + line + '\n ' + spacing + mark('^');
        }
        return ' ' + aside(gutter) + line;
      }).join('\n');
    }
  }, {
    key: "toString",
    value: function toString() {
      var code = this.showSourceCode();
      if (code) {
        code = '\n\n' + code + '\n';
      }
      return this.name + ': ' + this.message + code;
    }
  }]);
  return CssSyntaxError;
}( /*#__PURE__*/_wrapNativeSuper(Error));
module.exports = CssSyntaxError;
CssSyntaxError["default"] = CssSyntaxError;

/***/ }),

/***/ 6417:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {




function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); enumerableOnly && (symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; })), keys.push.apply(keys, symbols); } return keys; }
function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = null != arguments[i] ? arguments[i] : {}; i % 2 ? ownKeys(Object(source), !0).forEach(function (key) { _defineProperty(target, key, source[key]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)) : ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } return target; }
function _defineProperty(obj, key, value) { key = _toPropertyKey(key); if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, _toPropertyKey(descriptor.key), descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }
function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return _typeof(key) === "symbol" ? key : String(key); }
function _toPrimitive(input, hint) { if (_typeof(input) !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (_typeof(res) !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); Object.defineProperty(subClass, "prototype", { writable: false }); if (superClass) _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } return _assertThisInitialized(self); }
function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }
function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf.bind() : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
var Node = __webpack_require__(4343);
var Declaration = /*#__PURE__*/function (_Node) {
  _inherits(Declaration, _Node);
  var _super = _createSuper(Declaration);
  function Declaration(defaults) {
    var _this;
    _classCallCheck(this, Declaration);
    if (defaults && typeof defaults.value !== 'undefined' && typeof defaults.value !== 'string') {
      defaults = _objectSpread(_objectSpread({}, defaults), {}, {
        value: String(defaults.value)
      });
    }
    _this = _super.call(this, defaults);
    _this.type = 'decl';
    return _this;
  }
  _createClass(Declaration, [{
    key: "variable",
    get: function get() {
      return this.prop.startsWith('--') || this.prop[0] === '$';
    }
  }]);
  return Declaration;
}(Node);
module.exports = Declaration;
Declaration["default"] = Declaration;

/***/ }),

/***/ 7083:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {




function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); enumerableOnly && (symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; })), keys.push.apply(keys, symbols); } return keys; }
function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = null != arguments[i] ? arguments[i] : {}; i % 2 ? ownKeys(Object(source), !0).forEach(function (key) { _defineProperty(target, key, source[key]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)) : ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } return target; }
function _defineProperty(obj, key, value) { key = _toPropertyKey(key); if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, _toPropertyKey(descriptor.key), descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }
function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return _typeof(key) === "symbol" ? key : String(key); }
function _toPrimitive(input, hint) { if (_typeof(input) !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (_typeof(res) !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); Object.defineProperty(subClass, "prototype", { writable: false }); if (superClass) _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } return _assertThisInitialized(self); }
function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }
function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf.bind() : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
var Container = __webpack_require__(1204);
var LazyResult, Processor;
var Document = /*#__PURE__*/function (_Container) {
  _inherits(Document, _Container);
  var _super = _createSuper(Document);
  function Document(defaults) {
    var _this;
    _classCallCheck(this, Document);
    // type needs to be passed to super, otherwise child roots won't be normalized correctly
    _this = _super.call(this, _objectSpread({
      type: 'document'
    }, defaults));
    if (!_this.nodes) {
      _this.nodes = [];
    }
    return _this;
  }
  _createClass(Document, [{
    key: "toResult",
    value: function toResult() {
      var opts = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
      var lazy = new LazyResult(new Processor(), this, opts);
      return lazy.stringify();
    }
  }]);
  return Document;
}(Container);
Document.registerLazyResult = function (dependant) {
  LazyResult = dependant;
};
Document.registerProcessor = function (dependant) {
  Processor = dependant;
};
module.exports = Document;
Document["default"] = Document;

/***/ }),

/***/ 9295:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {




function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
var _excluded = ["inputs"],
  _excluded2 = ["inputId"];
function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); enumerableOnly && (symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; })), keys.push.apply(keys, symbols); } return keys; }
function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = null != arguments[i] ? arguments[i] : {}; i % 2 ? ownKeys(Object(source), !0).forEach(function (key) { _defineProperty(target, key, source[key]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)) : ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } return target; }
function _defineProperty(obj, key, value) { key = _toPropertyKey(key); if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return _typeof(key) === "symbol" ? key : String(key); }
function _toPrimitive(input, hint) { if (_typeof(input) !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (_typeof(res) !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); }
function _createForOfIteratorHelper(o, allowArrayLike) { var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"]; if (!it) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = it.call(o); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; }
function _objectWithoutProperties(source, excluded) { if (source == null) return {}; var target = _objectWithoutPropertiesLoose(source, excluded); var key, i; if (Object.getOwnPropertySymbols) { var sourceSymbolKeys = Object.getOwnPropertySymbols(source); for (i = 0; i < sourceSymbolKeys.length; i++) { key = sourceSymbolKeys[i]; if (excluded.indexOf(key) >= 0) continue; if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue; target[key] = source[key]; } } return target; }
function _objectWithoutPropertiesLoose(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } return target; }
var Declaration = __webpack_require__(6417);
var PreviousMap = __webpack_require__(3353);
var Comment = __webpack_require__(3102);
var AtRule = __webpack_require__(8940);
var Input = __webpack_require__(2993);
var Root = __webpack_require__(7563);
var Rule = __webpack_require__(6621);
function fromJSON(json, inputs) {
  if (Array.isArray(json)) return json.map(function (n) {
    return fromJSON(n);
  });
  var ownInputs = json.inputs,
    defaults = _objectWithoutProperties(json, _excluded);
  if (ownInputs) {
    inputs = [];
    var _iterator = _createForOfIteratorHelper(ownInputs),
      _step;
    try {
      for (_iterator.s(); !(_step = _iterator.n()).done;) {
        var input = _step.value;
        var inputHydrated = _objectSpread(_objectSpread({}, input), {}, {
          __proto__: Input.prototype
        });
        if (inputHydrated.map) {
          inputHydrated.map = _objectSpread(_objectSpread({}, inputHydrated.map), {}, {
            __proto__: PreviousMap.prototype
          });
        }
        inputs.push(inputHydrated);
      }
    } catch (err) {
      _iterator.e(err);
    } finally {
      _iterator.f();
    }
  }
  if (defaults.nodes) {
    defaults.nodes = json.nodes.map(function (n) {
      return fromJSON(n, inputs);
    });
  }
  if (defaults.source) {
    var _defaults$source = defaults.source,
      inputId = _defaults$source.inputId,
      source = _objectWithoutProperties(_defaults$source, _excluded2);
    defaults.source = source;
    if (inputId != null) {
      defaults.source.input = inputs[inputId];
    }
  }
  if (defaults.type === 'root') {
    return new Root(defaults);
  } else if (defaults.type === 'decl') {
    return new Declaration(defaults);
  } else if (defaults.type === 'rule') {
    return new Rule(defaults);
  } else if (defaults.type === 'comment') {
    return new Comment(defaults);
  } else if (defaults.type === 'atrule') {
    return new AtRule(defaults);
  } else {
    throw new Error('Unknown node type: ' + json.type);
  }
}
module.exports = fromJSON;
fromJSON["default"] = fromJSON;

/***/ }),

/***/ 2993:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {




function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); enumerableOnly && (symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; })), keys.push.apply(keys, symbols); } return keys; }
function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = null != arguments[i] ? arguments[i] : {}; i % 2 ? ownKeys(Object(source), !0).forEach(function (key) { _defineProperty(target, key, source[key]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)) : ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } return target; }
function _defineProperty(obj, key, value) { key = _toPropertyKey(key); if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, _toPropertyKey(descriptor.key), descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }
function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return _typeof(key) === "symbol" ? key : String(key); }
function _toPrimitive(input, hint) { if (_typeof(input) !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (_typeof(res) !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); }
var _require = __webpack_require__(209),
  SourceMapConsumer = _require.SourceMapConsumer,
  SourceMapGenerator = _require.SourceMapGenerator;
var _require2 = __webpack_require__(7414),
  fileURLToPath = _require2.fileURLToPath,
  pathToFileURL = _require2.pathToFileURL;
var _require3 = __webpack_require__(9830),
  resolve = _require3.resolve,
  isAbsolute = _require3.isAbsolute;
var _require4 = __webpack_require__(2961),
  nanoid = _require4.nanoid;
var terminalHighlight = __webpack_require__(2868);
var CssSyntaxError = __webpack_require__(1667);
var PreviousMap = __webpack_require__(3353);
var fromOffsetCache = Symbol('fromOffsetCache');
var sourceMapAvailable = Boolean(SourceMapConsumer && SourceMapGenerator);
var pathAvailable = Boolean(resolve && isAbsolute);
var Input = /*#__PURE__*/function () {
  function Input(css) {
    var opts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
    _classCallCheck(this, Input);
    if (css === null || typeof css === 'undefined' || _typeof(css) === 'object' && !css.toString) {
      throw new Error("PostCSS received ".concat(css, " instead of CSS string"));
    }
    this.css = css.toString();
    if (this.css[0] === "\uFEFF" || this.css[0] === "\uFFFE") {
      this.hasBOM = true;
      this.css = this.css.slice(1);
    } else {
      this.hasBOM = false;
    }
    if (opts.from) {
      if (!pathAvailable || /^\w+:\/\//.test(opts.from) || isAbsolute(opts.from)) {
        this.file = opts.from;
      } else {
        this.file = resolve(opts.from);
      }
    }
    if (pathAvailable && sourceMapAvailable) {
      var map = new PreviousMap(this.css, opts);
      if (map.text) {
        this.map = map;
        var file = map.consumer().file;
        if (!this.file && file) this.file = this.mapResolve(file);
      }
    }
    if (!this.file) {
      this.id = '<input css ' + nanoid(6) + '>';
    }
    if (this.map) this.map.file = this.from;
  }
  _createClass(Input, [{
    key: "fromOffset",
    value: function fromOffset(offset) {
      var lastLine, lineToIndex;
      if (!this[fromOffsetCache]) {
        var lines = this.css.split('\n');
        lineToIndex = new Array(lines.length);
        var prevIndex = 0;
        for (var i = 0, l = lines.length; i < l; i++) {
          lineToIndex[i] = prevIndex;
          prevIndex += lines[i].length + 1;
        }
        this[fromOffsetCache] = lineToIndex;
      } else {
        lineToIndex = this[fromOffsetCache];
      }
      lastLine = lineToIndex[lineToIndex.length - 1];
      var min = 0;
      if (offset >= lastLine) {
        min = lineToIndex.length - 1;
      } else {
        var max = lineToIndex.length - 2;
        var mid;
        while (min < max) {
          mid = min + (max - min >> 1);
          if (offset < lineToIndex[mid]) {
            max = mid - 1;
          } else if (offset >= lineToIndex[mid + 1]) {
            min = mid + 1;
          } else {
            min = mid;
            break;
          }
        }
      }
      return {
        line: min + 1,
        col: offset - lineToIndex[min] + 1
      };
    }
  }, {
    key: "error",
    value: function error(message, line, column) {
      var opts = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {};
      var result, endLine, endColumn;
      if (line && _typeof(line) === 'object') {
        var start = line;
        var end = column;
        if (typeof start.offset === 'number') {
          var pos = this.fromOffset(start.offset);
          line = pos.line;
          column = pos.col;
        } else {
          line = start.line;
          column = start.column;
        }
        if (typeof end.offset === 'number') {
          var _pos = this.fromOffset(end.offset);
          endLine = _pos.line;
          endColumn = _pos.col;
        } else {
          endLine = end.line;
          endColumn = end.column;
        }
      } else if (!column) {
        var _pos2 = this.fromOffset(line);
        line = _pos2.line;
        column = _pos2.col;
      }
      var origin = this.origin(line, column, endLine, endColumn);
      if (origin) {
        result = new CssSyntaxError(message, origin.endLine === undefined ? origin.line : {
          line: origin.line,
          column: origin.column
        }, origin.endLine === undefined ? origin.column : {
          line: origin.endLine,
          column: origin.endColumn
        }, origin.source, origin.file, opts.plugin);
      } else {
        result = new CssSyntaxError(message, endLine === undefined ? line : {
          line: line,
          column: column
        }, endLine === undefined ? column : {
          line: endLine,
          column: endColumn
        }, this.css, this.file, opts.plugin);
      }
      result.input = {
        line: line,
        column: column,
        endLine: endLine,
        endColumn: endColumn,
        source: this.css
      };
      if (this.file) {
        if (pathToFileURL) {
          result.input.url = pathToFileURL(this.file).toString();
        }
        result.input.file = this.file;
      }
      return result;
    }
  }, {
    key: "origin",
    value: function origin(line, column, endLine, endColumn) {
      if (!this.map) return false;
      var consumer = this.map.consumer();
      var from = consumer.originalPositionFor({
        line: line,
        column: column
      });
      if (!from.source) return false;
      var to;
      if (typeof endLine === 'number') {
        to = consumer.originalPositionFor({
          line: endLine,
          column: endColumn
        });
      }
      var fromUrl;
      if (isAbsolute(from.source)) {
        fromUrl = pathToFileURL(from.source);
      } else {
        fromUrl = new URL(from.source, this.map.consumer().sourceRoot || pathToFileURL(this.map.mapFile));
      }
      var result = {
        url: fromUrl.toString(),
        line: from.line,
        column: from.column,
        endLine: to && to.line,
        endColumn: to && to.column
      };
      if (fromUrl.protocol === 'file:') {
        if (fileURLToPath) {
          result.file = fileURLToPath(fromUrl);
        } else {
          /* c8 ignore next 2 */
          throw new Error("file: protocol is not available in this PostCSS build");
        }
      }
      var source = consumer.sourceContentFor(from.source);
      if (source) result.source = source;
      return result;
    }
  }, {
    key: "mapResolve",
    value: function mapResolve(file) {
      if (/^\w+:\/\//.test(file)) {
        return file;
      }
      return resolve(this.map.consumer().sourceRoot || this.map.root || '.', file);
    }
  }, {
    key: "from",
    get: function get() {
      return this.file || this.id;
    }
  }, {
    key: "toJSON",
    value: function toJSON() {
      var json = {};
      for (var _i = 0, _arr = ['hasBOM', 'css', 'file', 'id']; _i < _arr.length; _i++) {
        var name = _arr[_i];
        if (this[name] != null) {
          json[name] = this[name];
        }
      }
      if (this.map) {
        json.map = _objectSpread({}, this.map);
        if (json.map.consumerCache) {
          json.map.consumerCache = undefined;
        }
      }
      return json;
    }
  }]);
  return Input;
}();
module.exports = Input;
Input["default"] = Input;
if (terminalHighlight && terminalHighlight.registerInput) {
  terminalHighlight.registerInput(Input);
}

/***/ }),

/***/ 6992:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {




function _regeneratorRuntime() { "use strict"; /*! regenerator-runtime -- Copyright (c) 2014-present, Facebook, Inc. -- license (MIT): https://github.com/facebook/regenerator/blob/main/LICENSE */ _regeneratorRuntime = function _regeneratorRuntime() { return exports; }; var exports = {}, Op = Object.prototype, hasOwn = Op.hasOwnProperty, defineProperty = Object.defineProperty || function (obj, key, desc) { obj[key] = desc.value; }, $Symbol = "function" == typeof Symbol ? Symbol : {}, iteratorSymbol = $Symbol.iterator || "@@iterator", asyncIteratorSymbol = $Symbol.asyncIterator || "@@asyncIterator", toStringTagSymbol = $Symbol.toStringTag || "@@toStringTag"; function define(obj, key, value) { return Object.defineProperty(obj, key, { value: value, enumerable: !0, configurable: !0, writable: !0 }), obj[key]; } try { define({}, ""); } catch (err) { define = function define(obj, key, value) { return obj[key] = value; }; } function wrap(innerFn, outerFn, self, tryLocsList) { var protoGenerator = outerFn && outerFn.prototype instanceof Generator ? outerFn : Generator, generator = Object.create(protoGenerator.prototype), context = new Context(tryLocsList || []); return defineProperty(generator, "_invoke", { value: makeInvokeMethod(innerFn, self, context) }), generator; } function tryCatch(fn, obj, arg) { try { return { type: "normal", arg: fn.call(obj, arg) }; } catch (err) { return { type: "throw", arg: err }; } } exports.wrap = wrap; var ContinueSentinel = {}; function Generator() {} function GeneratorFunction() {} function GeneratorFunctionPrototype() {} var IteratorPrototype = {}; define(IteratorPrototype, iteratorSymbol, function () { return this; }); var getProto = Object.getPrototypeOf, NativeIteratorPrototype = getProto && getProto(getProto(values([]))); NativeIteratorPrototype && NativeIteratorPrototype !== Op && hasOwn.call(NativeIteratorPrototype, iteratorSymbol) && (IteratorPrototype = NativeIteratorPrototype); var Gp = GeneratorFunctionPrototype.prototype = Generator.prototype = Object.create(IteratorPrototype); function defineIteratorMethods(prototype) { ["next", "throw", "return"].forEach(function (method) { define(prototype, method, function (arg) { return this._invoke(method, arg); }); }); } function AsyncIterator(generator, PromiseImpl) { function invoke(method, arg, resolve, reject) { var record = tryCatch(generator[method], generator, arg); if ("throw" !== record.type) { var result = record.arg, value = result.value; return value && "object" == _typeof(value) && hasOwn.call(value, "__await") ? PromiseImpl.resolve(value.__await).then(function (value) { invoke("next", value, resolve, reject); }, function (err) { invoke("throw", err, resolve, reject); }) : PromiseImpl.resolve(value).then(function (unwrapped) { result.value = unwrapped, resolve(result); }, function (error) { return invoke("throw", error, resolve, reject); }); } reject(record.arg); } var previousPromise; defineProperty(this, "_invoke", { value: function value(method, arg) { function callInvokeWithMethodAndArg() { return new PromiseImpl(function (resolve, reject) { invoke(method, arg, resolve, reject); }); } return previousPromise = previousPromise ? previousPromise.then(callInvokeWithMethodAndArg, callInvokeWithMethodAndArg) : callInvokeWithMethodAndArg(); } }); } function makeInvokeMethod(innerFn, self, context) { var state = "suspendedStart"; return function (method, arg) { if ("executing" === state) throw new Error("Generator is already running"); if ("completed" === state) { if ("throw" === method) throw arg; return doneResult(); } for (context.method = method, context.arg = arg;;) { var delegate = context.delegate; if (delegate) { var delegateResult = maybeInvokeDelegate(delegate, context); if (delegateResult) { if (delegateResult === ContinueSentinel) continue; return delegateResult; } } if ("next" === context.method) context.sent = context._sent = context.arg;else if ("throw" === context.method) { if ("suspendedStart" === state) throw state = "completed", context.arg; context.dispatchException(context.arg); } else "return" === context.method && context.abrupt("return", context.arg); state = "executing"; var record = tryCatch(innerFn, self, context); if ("normal" === record.type) { if (state = context.done ? "completed" : "suspendedYield", record.arg === ContinueSentinel) continue; return { value: record.arg, done: context.done }; } "throw" === record.type && (state = "completed", context.method = "throw", context.arg = record.arg); } }; } function maybeInvokeDelegate(delegate, context) { var methodName = context.method, method = delegate.iterator[methodName]; if (undefined === method) return context.delegate = null, "throw" === methodName && delegate.iterator["return"] && (context.method = "return", context.arg = undefined, maybeInvokeDelegate(delegate, context), "throw" === context.method) || "return" !== methodName && (context.method = "throw", context.arg = new TypeError("The iterator does not provide a '" + methodName + "' method")), ContinueSentinel; var record = tryCatch(method, delegate.iterator, context.arg); if ("throw" === record.type) return context.method = "throw", context.arg = record.arg, context.delegate = null, ContinueSentinel; var info = record.arg; return info ? info.done ? (context[delegate.resultName] = info.value, context.next = delegate.nextLoc, "return" !== context.method && (context.method = "next", context.arg = undefined), context.delegate = null, ContinueSentinel) : info : (context.method = "throw", context.arg = new TypeError("iterator result is not an object"), context.delegate = null, ContinueSentinel); } function pushTryEntry(locs) { var entry = { tryLoc: locs[0] }; 1 in locs && (entry.catchLoc = locs[1]), 2 in locs && (entry.finallyLoc = locs[2], entry.afterLoc = locs[3]), this.tryEntries.push(entry); } function resetTryEntry(entry) { var record = entry.completion || {}; record.type = "normal", delete record.arg, entry.completion = record; } function Context(tryLocsList) { this.tryEntries = [{ tryLoc: "root" }], tryLocsList.forEach(pushTryEntry, this), this.reset(!0); } function values(iterable) { if (iterable) { var iteratorMethod = iterable[iteratorSymbol]; if (iteratorMethod) return iteratorMethod.call(iterable); if ("function" == typeof iterable.next) return iterable; if (!isNaN(iterable.length)) { var i = -1, next = function next() { for (; ++i < iterable.length;) if (hasOwn.call(iterable, i)) return next.value = iterable[i], next.done = !1, next; return next.value = undefined, next.done = !0, next; }; return next.next = next; } } return { next: doneResult }; } function doneResult() { return { value: undefined, done: !0 }; } return GeneratorFunction.prototype = GeneratorFunctionPrototype, defineProperty(Gp, "constructor", { value: GeneratorFunctionPrototype, configurable: !0 }), defineProperty(GeneratorFunctionPrototype, "constructor", { value: GeneratorFunction, configurable: !0 }), GeneratorFunction.displayName = define(GeneratorFunctionPrototype, toStringTagSymbol, "GeneratorFunction"), exports.isGeneratorFunction = function (genFun) { var ctor = "function" == typeof genFun && genFun.constructor; return !!ctor && (ctor === GeneratorFunction || "GeneratorFunction" === (ctor.displayName || ctor.name)); }, exports.mark = function (genFun) { return Object.setPrototypeOf ? Object.setPrototypeOf(genFun, GeneratorFunctionPrototype) : (genFun.__proto__ = GeneratorFunctionPrototype, define(genFun, toStringTagSymbol, "GeneratorFunction")), genFun.prototype = Object.create(Gp), genFun; }, exports.awrap = function (arg) { return { __await: arg }; }, defineIteratorMethods(AsyncIterator.prototype), define(AsyncIterator.prototype, asyncIteratorSymbol, function () { return this; }), exports.AsyncIterator = AsyncIterator, exports.async = function (innerFn, outerFn, self, tryLocsList, PromiseImpl) { void 0 === PromiseImpl && (PromiseImpl = Promise); var iter = new AsyncIterator(wrap(innerFn, outerFn, self, tryLocsList), PromiseImpl); return exports.isGeneratorFunction(outerFn) ? iter : iter.next().then(function (result) { return result.done ? result.value : iter.next(); }); }, defineIteratorMethods(Gp), define(Gp, toStringTagSymbol, "Generator"), define(Gp, iteratorSymbol, function () { return this; }), define(Gp, "toString", function () { return "[object Generator]"; }), exports.keys = function (val) { var object = Object(val), keys = []; for (var key in object) keys.push(key); return keys.reverse(), function next() { for (; keys.length;) { var key = keys.pop(); if (key in object) return next.value = key, next.done = !1, next; } return next.done = !0, next; }; }, exports.values = values, Context.prototype = { constructor: Context, reset: function reset(skipTempReset) { if (this.prev = 0, this.next = 0, this.sent = this._sent = undefined, this.done = !1, this.delegate = null, this.method = "next", this.arg = undefined, this.tryEntries.forEach(resetTryEntry), !skipTempReset) for (var name in this) "t" === name.charAt(0) && hasOwn.call(this, name) && !isNaN(+name.slice(1)) && (this[name] = undefined); }, stop: function stop() { this.done = !0; var rootRecord = this.tryEntries[0].completion; if ("throw" === rootRecord.type) throw rootRecord.arg; return this.rval; }, dispatchException: function dispatchException(exception) { if (this.done) throw exception; var context = this; function handle(loc, caught) { return record.type = "throw", record.arg = exception, context.next = loc, caught && (context.method = "next", context.arg = undefined), !!caught; } for (var i = this.tryEntries.length - 1; i >= 0; --i) { var entry = this.tryEntries[i], record = entry.completion; if ("root" === entry.tryLoc) return handle("end"); if (entry.tryLoc <= this.prev) { var hasCatch = hasOwn.call(entry, "catchLoc"), hasFinally = hasOwn.call(entry, "finallyLoc"); if (hasCatch && hasFinally) { if (this.prev < entry.catchLoc) return handle(entry.catchLoc, !0); if (this.prev < entry.finallyLoc) return handle(entry.finallyLoc); } else if (hasCatch) { if (this.prev < entry.catchLoc) return handle(entry.catchLoc, !0); } else { if (!hasFinally) throw new Error("try statement without catch or finally"); if (this.prev < entry.finallyLoc) return handle(entry.finallyLoc); } } } }, abrupt: function abrupt(type, arg) { for (var i = this.tryEntries.length - 1; i >= 0; --i) { var entry = this.tryEntries[i]; if (entry.tryLoc <= this.prev && hasOwn.call(entry, "finallyLoc") && this.prev < entry.finallyLoc) { var finallyEntry = entry; break; } } finallyEntry && ("break" === type || "continue" === type) && finallyEntry.tryLoc <= arg && arg <= finallyEntry.finallyLoc && (finallyEntry = null); var record = finallyEntry ? finallyEntry.completion : {}; return record.type = type, record.arg = arg, finallyEntry ? (this.method = "next", this.next = finallyEntry.finallyLoc, ContinueSentinel) : this.complete(record); }, complete: function complete(record, afterLoc) { if ("throw" === record.type) throw record.arg; return "break" === record.type || "continue" === record.type ? this.next = record.arg : "return" === record.type ? (this.rval = this.arg = record.arg, this.method = "return", this.next = "end") : "normal" === record.type && afterLoc && (this.next = afterLoc), ContinueSentinel; }, finish: function finish(finallyLoc) { for (var i = this.tryEntries.length - 1; i >= 0; --i) { var entry = this.tryEntries[i]; if (entry.finallyLoc === finallyLoc) return this.complete(entry.completion, entry.afterLoc), resetTryEntry(entry), ContinueSentinel; } }, "catch": function _catch(tryLoc) { for (var i = this.tryEntries.length - 1; i >= 0; --i) { var entry = this.tryEntries[i]; if (entry.tryLoc === tryLoc) { var record = entry.completion; if ("throw" === record.type) { var thrown = record.arg; resetTryEntry(entry); } return thrown; } } throw new Error("illegal catch attempt"); }, delegateYield: function delegateYield(iterable, resultName, nextLoc) { return this.delegate = { iterator: values(iterable), resultName: resultName, nextLoc: nextLoc }, "next" === this.method && (this.arg = undefined), ContinueSentinel; } }, exports; }
function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _iterableToArrayLimit(arr, i) { var _i = null == arr ? null : "undefined" != typeof Symbol && arr[Symbol.iterator] || arr["@@iterator"]; if (null != _i) { var _s, _e, _x, _r, _arr = [], _n = !0, _d = !1; try { if (_x = (_i = _i.call(arr)).next, 0 === i) { if (Object(_i) !== _i) return; _n = !1; } else for (; !(_n = (_s = _x.call(_i)).done) && (_arr.push(_s.value), _arr.length !== i); _n = !0); } catch (err) { _d = !0, _e = err; } finally { try { if (!_n && null != _i["return"] && (_r = _i["return"](), Object(_r) !== _r)) return; } finally { if (_d) throw _e; } } return _arr; } }
function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
function _createForOfIteratorHelper(o, allowArrayLike) { var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"]; if (!it) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e2) { throw _e2; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = it.call(o); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e3) { didErr = true; err = _e3; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; }
function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); enumerableOnly && (symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; })), keys.push.apply(keys, symbols); } return keys; }
function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = null != arguments[i] ? arguments[i] : {}; i % 2 ? ownKeys(Object(source), !0).forEach(function (key) { _defineProperty(target, key, source[key]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)) : ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } return target; }
function _defineProperty(obj, key, value) { key = _toPropertyKey(key); if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, _toPropertyKey(descriptor.key), descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }
function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return _typeof(key) === "symbol" ? key : String(key); }
function _toPrimitive(input, hint) { if (_typeof(input) !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (_typeof(res) !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); }
function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
var _require = __webpack_require__(5506),
  isClean = _require.isClean,
  my = _require.my;
var MapGenerator = __webpack_require__(8991);
var _stringify = __webpack_require__(6157);
var Container = __webpack_require__(1204);
var Document = __webpack_require__(7083);
var warnOnce = __webpack_require__(6574);
var Result = __webpack_require__(6865);
var parse = __webpack_require__(7057);
var Root = __webpack_require__(7563);
var TYPE_TO_CLASS_NAME = {
  document: 'Document',
  root: 'Root',
  atrule: 'AtRule',
  rule: 'Rule',
  decl: 'Declaration',
  comment: 'Comment'
};
var PLUGIN_PROPS = {
  postcssPlugin: true,
  prepare: true,
  Once: true,
  Document: true,
  Root: true,
  Declaration: true,
  Rule: true,
  AtRule: true,
  Comment: true,
  DeclarationExit: true,
  RuleExit: true,
  AtRuleExit: true,
  CommentExit: true,
  RootExit: true,
  DocumentExit: true,
  OnceExit: true
};
var NOT_VISITORS = {
  postcssPlugin: true,
  prepare: true,
  Once: true
};
var CHILDREN = 0;
function isPromise(obj) {
  return _typeof(obj) === 'object' && typeof obj.then === 'function';
}
function getEvents(node) {
  var key = false;
  var type = TYPE_TO_CLASS_NAME[node.type];
  if (node.type === 'decl') {
    key = node.prop.toLowerCase();
  } else if (node.type === 'atrule') {
    key = node.name.toLowerCase();
  }
  if (key && node.append) {
    return [type, type + '-' + key, CHILDREN, type + 'Exit', type + 'Exit-' + key];
  } else if (key) {
    return [type, type + '-' + key, type + 'Exit', type + 'Exit-' + key];
  } else if (node.append) {
    return [type, CHILDREN, type + 'Exit'];
  } else {
    return [type, type + 'Exit'];
  }
}
function toStack(node) {
  var events;
  if (node.type === 'document') {
    events = ['Document', CHILDREN, 'DocumentExit'];
  } else if (node.type === 'root') {
    events = ['Root', CHILDREN, 'RootExit'];
  } else {
    events = getEvents(node);
  }
  return {
    node: node,
    events: events,
    eventIndex: 0,
    visitors: [],
    visitorIndex: 0,
    iterator: 0
  };
}
function cleanMarks(node) {
  node[isClean] = false;
  if (node.nodes) node.nodes.forEach(function (i) {
    return cleanMarks(i);
  });
  return node;
}
var postcss = {};
var LazyResult = /*#__PURE__*/function (_Symbol$toStringTag) {
  function LazyResult(processor, css, opts) {
    var _this = this;
    _classCallCheck(this, LazyResult);
    this.stringified = false;
    this.processed = false;
    var root;
    if (_typeof(css) === 'object' && css !== null && (css.type === 'root' || css.type === 'document')) {
      root = cleanMarks(css);
    } else if (css instanceof LazyResult || css instanceof Result) {
      root = cleanMarks(css.root);
      if (css.map) {
        if (typeof opts.map === 'undefined') opts.map = {};
        if (!opts.map.inline) opts.map.inline = false;
        opts.map.prev = css.map;
      }
    } else {
      var parser = parse;
      if (opts.syntax) parser = opts.syntax.parse;
      if (opts.parser) parser = opts.parser;
      if (parser.parse) parser = parser.parse;
      try {
        root = parser(css, opts);
      } catch (error) {
        this.processed = true;
        this.error = error;
      }
      if (root && !root[my]) {
        /* c8 ignore next 2 */
        Container.rebuild(root);
      }
    }
    this.result = new Result(processor, root, opts);
    this.helpers = _objectSpread(_objectSpread({}, postcss), {}, {
      result: this.result,
      postcss: postcss
    });
    this.plugins = this.processor.plugins.map(function (plugin) {
      if (_typeof(plugin) === 'object' && plugin.prepare) {
        return _objectSpread(_objectSpread({}, plugin), plugin.prepare(_this.result));
      } else {
        return plugin;
      }
    });
  }
  _createClass(LazyResult, [{
    key: _Symbol$toStringTag,
    get: function get() {
      return 'LazyResult';
    }
  }, {
    key: "processor",
    get: function get() {
      return this.result.processor;
    }
  }, {
    key: "opts",
    get: function get() {
      return this.result.opts;
    }
  }, {
    key: "css",
    get: function get() {
      return this.stringify().css;
    }
  }, {
    key: "content",
    get: function get() {
      return this.stringify().content;
    }
  }, {
    key: "map",
    get: function get() {
      return this.stringify().map;
    }
  }, {
    key: "root",
    get: function get() {
      return this.sync().root;
    }
  }, {
    key: "messages",
    get: function get() {
      return this.sync().messages;
    }
  }, {
    key: "warnings",
    value: function warnings() {
      return this.sync().warnings();
    }
  }, {
    key: "toString",
    value: function toString() {
      return this.css;
    }
  }, {
    key: "then",
    value: function then(onFulfilled, onRejected) {
      if (false) {}
      return this.async().then(onFulfilled, onRejected);
    }
  }, {
    key: "catch",
    value: function _catch(onRejected) {
      return this.async()["catch"](onRejected);
    }
  }, {
    key: "finally",
    value: function _finally(onFinally) {
      return this.async().then(onFinally, onFinally);
    }
  }, {
    key: "async",
    value: function async() {
      if (this.error) return Promise.reject(this.error);
      if (this.processed) return Promise.resolve(this.result);
      if (!this.processing) {
        this.processing = this.runAsync();
      }
      return this.processing;
    }
  }, {
    key: "sync",
    value: function sync() {
      if (this.error) throw this.error;
      if (this.processed) return this.result;
      this.processed = true;
      if (this.processing) {
        throw this.getAsyncError();
      }
      var _iterator = _createForOfIteratorHelper(this.plugins),
        _step;
      try {
        for (_iterator.s(); !(_step = _iterator.n()).done;) {
          var plugin = _step.value;
          var promise = this.runOnRoot(plugin);
          if (isPromise(promise)) {
            throw this.getAsyncError();
          }
        }
      } catch (err) {
        _iterator.e(err);
      } finally {
        _iterator.f();
      }
      this.prepareVisitors();
      if (this.hasListener) {
        var root = this.result.root;
        while (!root[isClean]) {
          root[isClean] = true;
          this.walkSync(root);
        }
        if (this.listeners.OnceExit) {
          if (root.type === 'document') {
            var _iterator2 = _createForOfIteratorHelper(root.nodes),
              _step2;
            try {
              for (_iterator2.s(); !(_step2 = _iterator2.n()).done;) {
                var subRoot = _step2.value;
                this.visitSync(this.listeners.OnceExit, subRoot);
              }
            } catch (err) {
              _iterator2.e(err);
            } finally {
              _iterator2.f();
            }
          } else {
            this.visitSync(this.listeners.OnceExit, root);
          }
        }
      }
      return this.result;
    }
  }, {
    key: "stringify",
    value: function stringify() {
      if (this.error) throw this.error;
      if (this.stringified) return this.result;
      this.stringified = true;
      this.sync();
      var opts = this.result.opts;
      var str = _stringify;
      if (opts.syntax) str = opts.syntax.stringify;
      if (opts.stringifier) str = opts.stringifier;
      if (str.stringify) str = str.stringify;
      var map = new MapGenerator(str, this.result.root, this.result.opts);
      var data = map.generate();
      this.result.css = data[0];
      this.result.map = data[1];
      return this.result;
    }
  }, {
    key: "walkSync",
    value: function walkSync(node) {
      var _this2 = this;
      node[isClean] = true;
      var events = getEvents(node);
      var _iterator3 = _createForOfIteratorHelper(events),
        _step3;
      try {
        for (_iterator3.s(); !(_step3 = _iterator3.n()).done;) {
          var event = _step3.value;
          if (event === CHILDREN) {
            if (node.nodes) {
              node.each(function (child) {
                if (!child[isClean]) _this2.walkSync(child);
              });
            }
          } else {
            var visitors = this.listeners[event];
            if (visitors) {
              if (this.visitSync(visitors, node.toProxy())) return;
            }
          }
        }
      } catch (err) {
        _iterator3.e(err);
      } finally {
        _iterator3.f();
      }
    }
  }, {
    key: "visitSync",
    value: function visitSync(visitors, node) {
      var _iterator4 = _createForOfIteratorHelper(visitors),
        _step4;
      try {
        for (_iterator4.s(); !(_step4 = _iterator4.n()).done;) {
          var _step4$value = _slicedToArray(_step4.value, 2),
            plugin = _step4$value[0],
            visitor = _step4$value[1];
          this.result.lastPlugin = plugin;
          var promise = void 0;
          try {
            promise = visitor(node, this.helpers);
          } catch (e) {
            throw this.handleError(e, node.proxyOf);
          }
          if (node.type !== 'root' && node.type !== 'document' && !node.parent) {
            return true;
          }
          if (isPromise(promise)) {
            throw this.getAsyncError();
          }
        }
      } catch (err) {
        _iterator4.e(err);
      } finally {
        _iterator4.f();
      }
    }
  }, {
    key: "runOnRoot",
    value: function runOnRoot(plugin) {
      var _this3 = this;
      this.result.lastPlugin = plugin;
      try {
        if (_typeof(plugin) === 'object' && plugin.Once) {
          if (this.result.root.type === 'document') {
            var roots = this.result.root.nodes.map(function (root) {
              return plugin.Once(root, _this3.helpers);
            });
            if (isPromise(roots[0])) {
              return Promise.all(roots);
            }
            return roots;
          }
          return plugin.Once(this.result.root, this.helpers);
        } else if (typeof plugin === 'function') {
          return plugin(this.result.root, this.result);
        }
      } catch (error) {
        throw this.handleError(error);
      }
    }
  }, {
    key: "getAsyncError",
    value: function getAsyncError() {
      throw new Error('Use process(css).then(cb) to work with async plugins');
    }
  }, {
    key: "handleError",
    value: function handleError(error, node) {
      var plugin = this.result.lastPlugin;
      try {
        if (node) node.addToError(error);
        this.error = error;
        if (error.name === 'CssSyntaxError' && !error.plugin) {
          error.plugin = plugin.postcssPlugin;
          error.setMessage();
        } else if (plugin.postcssVersion) {
          if (false) { var b, a, runtimeVer, pluginVer, pluginName; }
        }
      } catch (err) {
        /* c8 ignore next 3 */
        // eslint-disable-next-line no-console
        if (console && console.error) console.error(err);
      }
      return error;
    }
  }, {
    key: "runAsync",
    value: function () {
      var _runAsync = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime().mark(function _callee() {
        var _this4 = this;
        var i, plugin, promise, root, stack, _promise, node, _iterator5, _step5, _loop;
        return _regeneratorRuntime().wrap(function _callee$(_context2) {
          while (1) switch (_context2.prev = _context2.next) {
            case 0:
              this.plugin = 0;
              i = 0;
            case 2:
              if (!(i < this.plugins.length)) {
                _context2.next = 17;
                break;
              }
              plugin = this.plugins[i];
              promise = this.runOnRoot(plugin);
              if (!isPromise(promise)) {
                _context2.next = 14;
                break;
              }
              _context2.prev = 6;
              _context2.next = 9;
              return promise;
            case 9:
              _context2.next = 14;
              break;
            case 11:
              _context2.prev = 11;
              _context2.t0 = _context2["catch"](6);
              throw this.handleError(_context2.t0);
            case 14:
              i++;
              _context2.next = 2;
              break;
            case 17:
              this.prepareVisitors();
              if (!this.hasListener) {
                _context2.next = 56;
                break;
              }
              root = this.result.root;
            case 20:
              if (root[isClean]) {
                _context2.next = 39;
                break;
              }
              root[isClean] = true;
              stack = [toStack(root)];
            case 23:
              if (!(stack.length > 0)) {
                _context2.next = 37;
                break;
              }
              _promise = this.visitTick(stack);
              if (!isPromise(_promise)) {
                _context2.next = 35;
                break;
              }
              _context2.prev = 26;
              _context2.next = 29;
              return _promise;
            case 29:
              _context2.next = 35;
              break;
            case 31:
              _context2.prev = 31;
              _context2.t1 = _context2["catch"](26);
              node = stack[stack.length - 1].node;
              throw this.handleError(_context2.t1, node);
            case 35:
              _context2.next = 23;
              break;
            case 37:
              _context2.next = 20;
              break;
            case 39:
              if (!this.listeners.OnceExit) {
                _context2.next = 56;
                break;
              }
              _iterator5 = _createForOfIteratorHelper(this.listeners.OnceExit);
              _context2.prev = 41;
              _loop = /*#__PURE__*/_regeneratorRuntime().mark(function _loop() {
                var _step5$value, plugin, visitor, roots;
                return _regeneratorRuntime().wrap(function _loop$(_context) {
                  while (1) switch (_context.prev = _context.next) {
                    case 0:
                      _step5$value = _slicedToArray(_step5.value, 2), plugin = _step5$value[0], visitor = _step5$value[1];
                      _this4.result.lastPlugin = plugin;
                      _context.prev = 2;
                      if (!(root.type === 'document')) {
                        _context.next = 9;
                        break;
                      }
                      roots = root.nodes.map(function (subRoot) {
                        return visitor(subRoot, _this4.helpers);
                      });
                      _context.next = 7;
                      return Promise.all(roots);
                    case 7:
                      _context.next = 11;
                      break;
                    case 9:
                      _context.next = 11;
                      return visitor(root, _this4.helpers);
                    case 11:
                      _context.next = 16;
                      break;
                    case 13:
                      _context.prev = 13;
                      _context.t0 = _context["catch"](2);
                      throw _this4.handleError(_context.t0);
                    case 16:
                    case "end":
                      return _context.stop();
                  }
                }, _loop, null, [[2, 13]]);
              });
              _iterator5.s();
            case 44:
              if ((_step5 = _iterator5.n()).done) {
                _context2.next = 48;
                break;
              }
              return _context2.delegateYield(_loop(), "t2", 46);
            case 46:
              _context2.next = 44;
              break;
            case 48:
              _context2.next = 53;
              break;
            case 50:
              _context2.prev = 50;
              _context2.t3 = _context2["catch"](41);
              _iterator5.e(_context2.t3);
            case 53:
              _context2.prev = 53;
              _iterator5.f();
              return _context2.finish(53);
            case 56:
              this.processed = true;
              return _context2.abrupt("return", this.stringify());
            case 58:
            case "end":
              return _context2.stop();
          }
        }, _callee, this, [[6, 11], [26, 31], [41, 50, 53, 56]]);
      }));
      function runAsync() {
        return _runAsync.apply(this, arguments);
      }
      return runAsync;
    }()
  }, {
    key: "prepareVisitors",
    value: function prepareVisitors() {
      var _this5 = this;
      this.listeners = {};
      var add = function add(plugin, type, cb) {
        if (!_this5.listeners[type]) _this5.listeners[type] = [];
        _this5.listeners[type].push([plugin, cb]);
      };
      var _iterator6 = _createForOfIteratorHelper(this.plugins),
        _step6;
      try {
        for (_iterator6.s(); !(_step6 = _iterator6.n()).done;) {
          var plugin = _step6.value;
          if (_typeof(plugin) === 'object') {
            for (var event in plugin) {
              if (!PLUGIN_PROPS[event] && /^[A-Z]/.test(event)) {
                throw new Error("Unknown event ".concat(event, " in ").concat(plugin.postcssPlugin, ". ") + "Try to update PostCSS (".concat(this.processor.version, " now)."));
              }
              if (!NOT_VISITORS[event]) {
                if (_typeof(plugin[event]) === 'object') {
                  for (var filter in plugin[event]) {
                    if (filter === '*') {
                      add(plugin, event, plugin[event][filter]);
                    } else {
                      add(plugin, event + '-' + filter.toLowerCase(), plugin[event][filter]);
                    }
                  }
                } else if (typeof plugin[event] === 'function') {
                  add(plugin, event, plugin[event]);
                }
              }
            }
          }
        }
      } catch (err) {
        _iterator6.e(err);
      } finally {
        _iterator6.f();
      }
      this.hasListener = Object.keys(this.listeners).length > 0;
    }
  }, {
    key: "visitTick",
    value: function visitTick(stack) {
      var visit = stack[stack.length - 1];
      var node = visit.node,
        visitors = visit.visitors;
      if (node.type !== 'root' && node.type !== 'document' && !node.parent) {
        stack.pop();
        return;
      }
      if (visitors.length > 0 && visit.visitorIndex < visitors.length) {
        var _visitors$visit$visit = _slicedToArray(visitors[visit.visitorIndex], 2),
          plugin = _visitors$visit$visit[0],
          visitor = _visitors$visit$visit[1];
        visit.visitorIndex += 1;
        if (visit.visitorIndex === visitors.length) {
          visit.visitors = [];
          visit.visitorIndex = 0;
        }
        this.result.lastPlugin = plugin;
        try {
          return visitor(node.toProxy(), this.helpers);
        } catch (e) {
          throw this.handleError(e, node);
        }
      }
      if (visit.iterator !== 0) {
        var iterator = visit.iterator;
        var child;
        while (child = node.nodes[node.indexes[iterator]]) {
          node.indexes[iterator] += 1;
          if (!child[isClean]) {
            child[isClean] = true;
            stack.push(toStack(child));
            return;
          }
        }
        visit.iterator = 0;
        delete node.indexes[iterator];
      }
      var events = visit.events;
      while (visit.eventIndex < events.length) {
        var event = events[visit.eventIndex];
        visit.eventIndex += 1;
        if (event === CHILDREN) {
          if (node.nodes && node.nodes.length) {
            node[isClean] = true;
            visit.iterator = node.getIterator();
          }
          return;
        } else if (this.listeners[event]) {
          visit.visitors = this.listeners[event];
          return;
        }
      }
      stack.pop();
    }
  }]);
  return LazyResult;
}(Symbol.toStringTag);
LazyResult.registerPostcss = function (dependant) {
  postcss = dependant;
};
module.exports = LazyResult;
LazyResult["default"] = LazyResult;
Root.registerLazyResult(LazyResult);
Document.registerLazyResult(LazyResult);

/***/ }),

/***/ 6136:
/***/ ((module) => {




function _createForOfIteratorHelper(o, allowArrayLike) { var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"]; if (!it) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = it.call(o); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; }
var list = {
  split: function split(string, separators, last) {
    var array = [];
    var current = '';
    var split = false;
    var func = 0;
    var inQuote = false;
    var prevQuote = '';
    var escape = false;
    var _iterator = _createForOfIteratorHelper(string),
      _step;
    try {
      for (_iterator.s(); !(_step = _iterator.n()).done;) {
        var letter = _step.value;
        if (escape) {
          escape = false;
        } else if (letter === '\\') {
          escape = true;
        } else if (inQuote) {
          if (letter === prevQuote) {
            inQuote = false;
          }
        } else if (letter === '"' || letter === "'") {
          inQuote = true;
          prevQuote = letter;
        } else if (letter === '(') {
          func += 1;
        } else if (letter === ')') {
          if (func > 0) func -= 1;
        } else if (func === 0) {
          if (separators.includes(letter)) split = true;
        }
        if (split) {
          if (current !== '') array.push(current.trim());
          current = '';
          split = false;
        } else {
          current += letter;
        }
      }
    } catch (err) {
      _iterator.e(err);
    } finally {
      _iterator.f();
    }
    if (last || current !== '') array.push(current.trim());
    return array;
  },
  space: function space(string) {
    var spaces = [' ', '\n', '\t'];
    return list.split(string, spaces);
  },
  comma: function comma(string) {
    return list.split(string, [','], true);
  }
};
module.exports = list;
list["default"] = list;

/***/ }),

/***/ 8991:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {




function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
function _createForOfIteratorHelper(o, allowArrayLike) { var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"]; if (!it) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = it.call(o); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, _toPropertyKey(descriptor.key), descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }
function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return _typeof(key) === "symbol" ? key : String(key); }
function _toPrimitive(input, hint) { if (_typeof(input) !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (_typeof(res) !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); }
var _require = __webpack_require__(209),
  SourceMapConsumer = _require.SourceMapConsumer,
  SourceMapGenerator = _require.SourceMapGenerator;
var _require2 = __webpack_require__(9830),
  dirname = _require2.dirname,
  resolve = _require2.resolve,
  relative = _require2.relative,
  sep = _require2.sep;
var _require3 = __webpack_require__(7414),
  pathToFileURL = _require3.pathToFileURL;
var Input = __webpack_require__(2993);
var sourceMapAvailable = Boolean(SourceMapConsumer && SourceMapGenerator);
var pathAvailable = Boolean(dirname && resolve && relative && sep);
var MapGenerator = /*#__PURE__*/function () {
  function MapGenerator(stringify, root, opts, cssString) {
    _classCallCheck(this, MapGenerator);
    this.stringify = stringify;
    this.mapOpts = opts.map || {};
    this.root = root;
    this.opts = opts;
    this.css = cssString;
    this.usesFileUrls = !this.mapOpts.from && this.mapOpts.absolute;
  }
  _createClass(MapGenerator, [{
    key: "isMap",
    value: function isMap() {
      if (typeof this.opts.map !== 'undefined') {
        return !!this.opts.map;
      }
      return this.previous().length > 0;
    }
  }, {
    key: "previous",
    value: function previous() {
      var _this = this;
      if (!this.previousMaps) {
        this.previousMaps = [];
        if (this.root) {
          this.root.walk(function (node) {
            if (node.source && node.source.input.map) {
              var map = node.source.input.map;
              if (!_this.previousMaps.includes(map)) {
                _this.previousMaps.push(map);
              }
            }
          });
        } else {
          var input = new Input(this.css, this.opts);
          if (input.map) this.previousMaps.push(input.map);
        }
      }
      return this.previousMaps;
    }
  }, {
    key: "isInline",
    value: function isInline() {
      if (typeof this.mapOpts.inline !== 'undefined') {
        return this.mapOpts.inline;
      }
      var annotation = this.mapOpts.annotation;
      if (typeof annotation !== 'undefined' && annotation !== true) {
        return false;
      }
      if (this.previous().length) {
        return this.previous().some(function (i) {
          return i.inline;
        });
      }
      return true;
    }
  }, {
    key: "isSourcesContent",
    value: function isSourcesContent() {
      if (typeof this.mapOpts.sourcesContent !== 'undefined') {
        return this.mapOpts.sourcesContent;
      }
      if (this.previous().length) {
        return this.previous().some(function (i) {
          return i.withContent();
        });
      }
      return true;
    }
  }, {
    key: "clearAnnotation",
    value: function clearAnnotation() {
      if (this.mapOpts.annotation === false) return;
      if (this.root) {
        var node;
        for (var i = this.root.nodes.length - 1; i >= 0; i--) {
          node = this.root.nodes[i];
          if (node.type !== 'comment') continue;
          if (node.text.indexOf('# sourceMappingURL=') === 0) {
            this.root.removeChild(i);
          }
        }
      } else if (this.css) {
        this.css = this.css.replace(/(\n)?\/\*#[\S\s]*?\*\/$/gm, '');
      }
    }
  }, {
    key: "setSourcesContent",
    value: function setSourcesContent() {
      var _this2 = this;
      var already = {};
      if (this.root) {
        this.root.walk(function (node) {
          if (node.source) {
            var from = node.source.input.from;
            if (from && !already[from]) {
              already[from] = true;
              var fromUrl = _this2.usesFileUrls ? _this2.toFileUrl(from) : _this2.toUrl(_this2.path(from));
              _this2.map.setSourceContent(fromUrl, node.source.input.css);
            }
          }
        });
      } else if (this.css) {
        var from = this.opts.from ? this.toUrl(this.path(this.opts.from)) : '<no source>';
        this.map.setSourceContent(from, this.css);
      }
    }
  }, {
    key: "applyPrevMaps",
    value: function applyPrevMaps() {
      var _iterator = _createForOfIteratorHelper(this.previous()),
        _step;
      try {
        for (_iterator.s(); !(_step = _iterator.n()).done;) {
          var prev = _step.value;
          var from = this.toUrl(this.path(prev.file));
          var root = prev.root || dirname(prev.file);
          var map = void 0;
          if (this.mapOpts.sourcesContent === false) {
            map = new SourceMapConsumer(prev.text);
            if (map.sourcesContent) {
              map.sourcesContent = map.sourcesContent.map(function () {
                return null;
              });
            }
          } else {
            map = prev.consumer();
          }
          this.map.applySourceMap(map, from, this.toUrl(this.path(root)));
        }
      } catch (err) {
        _iterator.e(err);
      } finally {
        _iterator.f();
      }
    }
  }, {
    key: "isAnnotation",
    value: function isAnnotation() {
      if (this.isInline()) {
        return true;
      }
      if (typeof this.mapOpts.annotation !== 'undefined') {
        return this.mapOpts.annotation;
      }
      if (this.previous().length) {
        return this.previous().some(function (i) {
          return i.annotation;
        });
      }
      return true;
    }
  }, {
    key: "toBase64",
    value: function toBase64(str) {
      if (Buffer) {
        return Buffer.from(str).toString('base64');
      } else {
        return window.btoa(unescape(encodeURIComponent(str)));
      }
    }
  }, {
    key: "addAnnotation",
    value: function addAnnotation() {
      var content;
      if (this.isInline()) {
        content = 'data:application/json;base64,' + this.toBase64(this.map.toString());
      } else if (typeof this.mapOpts.annotation === 'string') {
        content = this.mapOpts.annotation;
      } else if (typeof this.mapOpts.annotation === 'function') {
        content = this.mapOpts.annotation(this.opts.to, this.root);
      } else {
        content = this.outputFile() + '.map';
      }
      var eol = '\n';
      if (this.css.includes('\r\n')) eol = '\r\n';
      this.css += eol + '/*# sourceMappingURL=' + content + ' */';
    }
  }, {
    key: "outputFile",
    value: function outputFile() {
      if (this.opts.to) {
        return this.path(this.opts.to);
      } else if (this.opts.from) {
        return this.path(this.opts.from);
      } else {
        return 'to.css';
      }
    }
  }, {
    key: "generateMap",
    value: function generateMap() {
      if (this.root) {
        this.generateString();
      } else if (this.previous().length === 1) {
        var prev = this.previous()[0].consumer();
        prev.file = this.outputFile();
        this.map = SourceMapGenerator.fromSourceMap(prev);
      } else {
        this.map = new SourceMapGenerator({
          file: this.outputFile()
        });
        this.map.addMapping({
          source: this.opts.from ? this.toUrl(this.path(this.opts.from)) : '<no source>',
          generated: {
            line: 1,
            column: 0
          },
          original: {
            line: 1,
            column: 0
          }
        });
      }
      if (this.isSourcesContent()) this.setSourcesContent();
      if (this.root && this.previous().length > 0) this.applyPrevMaps();
      if (this.isAnnotation()) this.addAnnotation();
      if (this.isInline()) {
        return [this.css];
      } else {
        return [this.css, this.map];
      }
    }
  }, {
    key: "path",
    value: function path(file) {
      if (file.indexOf('<') === 0) return file;
      if (/^\w+:\/\//.test(file)) return file;
      if (this.mapOpts.absolute) return file;
      var from = this.opts.to ? dirname(this.opts.to) : '.';
      if (typeof this.mapOpts.annotation === 'string') {
        from = dirname(resolve(from, this.mapOpts.annotation));
      }
      file = relative(from, file);
      return file;
    }
  }, {
    key: "toUrl",
    value: function toUrl(path) {
      if (sep === '\\') {
        path = path.replace(/\\/g, '/');
      }
      return encodeURI(path).replace(/[#?]/g, encodeURIComponent);
    }
  }, {
    key: "toFileUrl",
    value: function toFileUrl(path) {
      if (pathToFileURL) {
        return pathToFileURL(path).toString();
      } else {
        throw new Error('`map.absolute` option is not available in this PostCSS build');
      }
    }
  }, {
    key: "sourcePath",
    value: function sourcePath(node) {
      if (this.mapOpts.from) {
        return this.toUrl(this.mapOpts.from);
      } else if (this.usesFileUrls) {
        return this.toFileUrl(node.source.input.from);
      } else {
        return this.toUrl(this.path(node.source.input.from));
      }
    }
  }, {
    key: "generateString",
    value: function generateString() {
      var _this3 = this;
      this.css = '';
      this.map = new SourceMapGenerator({
        file: this.outputFile()
      });
      var line = 1;
      var column = 1;
      var noSource = '<no source>';
      var mapping = {
        source: '',
        generated: {
          line: 0,
          column: 0
        },
        original: {
          line: 0,
          column: 0
        }
      };
      var lines, last;
      this.stringify(this.root, function (str, node, type) {
        _this3.css += str;
        if (node && type !== 'end') {
          mapping.generated.line = line;
          mapping.generated.column = column - 1;
          if (node.source && node.source.start) {
            mapping.source = _this3.sourcePath(node);
            mapping.original.line = node.source.start.line;
            mapping.original.column = node.source.start.column - 1;
            _this3.map.addMapping(mapping);
          } else {
            mapping.source = noSource;
            mapping.original.line = 1;
            mapping.original.column = 0;
            _this3.map.addMapping(mapping);
          }
        }
        lines = str.match(/\n/g);
        if (lines) {
          line += lines.length;
          last = str.lastIndexOf('\n');
          column = str.length - last;
        } else {
          column += str.length;
        }
        if (node && type !== 'start') {
          var p = node.parent || {
            raws: {}
          };
          var childless = node.type === 'decl' || node.type === 'atrule' && !node.nodes;
          if (!childless || node !== p.last || p.raws.semicolon) {
            if (node.source && node.source.end) {
              mapping.source = _this3.sourcePath(node);
              mapping.original.line = node.source.end.line;
              mapping.original.column = node.source.end.column - 1;
              mapping.generated.line = line;
              mapping.generated.column = column - 2;
              _this3.map.addMapping(mapping);
            } else {
              mapping.source = noSource;
              mapping.original.line = 1;
              mapping.original.column = 0;
              mapping.generated.line = line;
              mapping.generated.column = column - 1;
              _this3.map.addMapping(mapping);
            }
          }
        }
      });
    }
  }, {
    key: "generate",
    value: function generate() {
      this.clearAnnotation();
      if (pathAvailable && sourceMapAvailable && this.isMap()) {
        return this.generateMap();
      } else {
        var result = '';
        this.stringify(this.root, function (i) {
          result += i;
        });
        return [result];
      }
    }
  }]);
  return MapGenerator;
}();
module.exports = MapGenerator;

/***/ }),

/***/ 7686:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {




function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; }
function _iterableToArrayLimit(arr, i) { var _i = null == arr ? null : "undefined" != typeof Symbol && arr[Symbol.iterator] || arr["@@iterator"]; if (null != _i) { var _s, _e, _x, _r, _arr = [], _n = !0, _d = !1; try { if (_x = (_i = _i.call(arr)).next, 0 === i) { if (Object(_i) !== _i) return; _n = !1; } else for (; !(_n = (_s = _x.call(_i)).done) && (_arr.push(_s.value), _arr.length !== i); _n = !0); } catch (err) { _d = !0, _e = err; } finally { try { if (!_n && null != _i["return"] && (_r = _i["return"](), Object(_r) !== _r)) return; } finally { if (_d) throw _e; } } return _arr; } }
function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, _toPropertyKey(descriptor.key), descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }
function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return _typeof(key) === "symbol" ? key : String(key); }
function _toPrimitive(input, hint) { if (_typeof(input) !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (_typeof(res) !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); }
var MapGenerator = __webpack_require__(8991);
var stringify = __webpack_require__(6157);
var warnOnce = __webpack_require__(6574);
var parse = __webpack_require__(7057);
var Result = __webpack_require__(6865);
var NoWorkResult = /*#__PURE__*/function (_Symbol$toStringTag) {
  function NoWorkResult(processor, css, opts) {
    _classCallCheck(this, NoWorkResult);
    css = css.toString();
    this.stringified = false;
    this._processor = processor;
    this._css = css;
    this._opts = opts;
    this._map = undefined;
    var root;
    var str = stringify;
    this.result = new Result(this._processor, root, this._opts);
    this.result.css = css;
    var self = this;
    Object.defineProperty(this.result, 'root', {
      get: function get() {
        return self.root;
      }
    });
    var map = new MapGenerator(str, root, this._opts, css);
    if (map.isMap()) {
      var _map$generate = map.generate(),
        _map$generate2 = _slicedToArray(_map$generate, 2),
        generatedCSS = _map$generate2[0],
        generatedMap = _map$generate2[1];
      if (generatedCSS) {
        this.result.css = generatedCSS;
      }
      if (generatedMap) {
        this.result.map = generatedMap;
      }
    }
  }
  _createClass(NoWorkResult, [{
    key: _Symbol$toStringTag,
    get: function get() {
      return 'NoWorkResult';
    }
  }, {
    key: "processor",
    get: function get() {
      return this.result.processor;
    }
  }, {
    key: "opts",
    get: function get() {
      return this.result.opts;
    }
  }, {
    key: "css",
    get: function get() {
      return this.result.css;
    }
  }, {
    key: "content",
    get: function get() {
      return this.result.css;
    }
  }, {
    key: "map",
    get: function get() {
      return this.result.map;
    }
  }, {
    key: "root",
    get: function get() {
      if (this._root) {
        return this._root;
      }
      var root;
      var parser = parse;
      try {
        root = parser(this._css, this._opts);
      } catch (error) {
        this.error = error;
      }
      if (this.error) {
        throw this.error;
      } else {
        this._root = root;
        return root;
      }
    }
  }, {
    key: "messages",
    get: function get() {
      return [];
    }
  }, {
    key: "warnings",
    value: function warnings() {
      return [];
    }
  }, {
    key: "toString",
    value: function toString() {
      return this._css;
    }
  }, {
    key: "then",
    value: function then(onFulfilled, onRejected) {
      if (false) {}
      return this.async().then(onFulfilled, onRejected);
    }
  }, {
    key: "catch",
    value: function _catch(onRejected) {
      return this.async()["catch"](onRejected);
    }
  }, {
    key: "finally",
    value: function _finally(onFinally) {
      return this.async().then(onFinally, onFinally);
    }
  }, {
    key: "async",
    value: function async() {
      if (this.error) return Promise.reject(this.error);
      return Promise.resolve(this.result);
    }
  }, {
    key: "sync",
    value: function sync() {
      if (this.error) throw this.error;
      return this.result;
    }
  }]);
  return NoWorkResult;
}(Symbol.toStringTag);
module.exports = NoWorkResult;
NoWorkResult["default"] = NoWorkResult;

/***/ }),

/***/ 4343:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {




function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }
function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter); }
function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }
function _createForOfIteratorHelper(o, allowArrayLike) { var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"]; if (!it) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = it.call(o); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, _toPropertyKey(descriptor.key), descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }
function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return _typeof(key) === "symbol" ? key : String(key); }
function _toPrimitive(input, hint) { if (_typeof(input) !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (_typeof(res) !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); }
function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
var _require = __webpack_require__(5506),
  isClean = _require.isClean,
  my = _require.my;
var CssSyntaxError = __webpack_require__(1667);
var Stringifier = __webpack_require__(5701);
var stringify = __webpack_require__(6157);
function cloneNode(obj, parent) {
  var cloned = new obj.constructor();
  for (var i in obj) {
    if (!Object.prototype.hasOwnProperty.call(obj, i)) {
      /* c8 ignore next 2 */
      continue;
    }
    if (i === 'proxyCache') continue;
    var value = obj[i];
    var type = _typeof(value);
    if (i === 'parent' && type === 'object') {
      if (parent) cloned[i] = parent;
    } else if (i === 'source') {
      cloned[i] = value;
    } else if (Array.isArray(value)) {
      cloned[i] = value.map(function (j) {
        return cloneNode(j, cloned);
      });
    } else {
      if (type === 'object' && value !== null) value = cloneNode(value);
      cloned[i] = value;
    }
  }
  return cloned;
}
var Node = /*#__PURE__*/function () {
  function Node() {
    var defaults = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
    _classCallCheck(this, Node);
    this.raws = {};
    this[isClean] = false;
    this[my] = true;
    for (var name in defaults) {
      if (name === 'nodes') {
        this.nodes = [];
        var _iterator = _createForOfIteratorHelper(defaults[name]),
          _step;
        try {
          for (_iterator.s(); !(_step = _iterator.n()).done;) {
            var node = _step.value;
            if (typeof node.clone === 'function') {
              this.append(node.clone());
            } else {
              this.append(node);
            }
          }
        } catch (err) {
          _iterator.e(err);
        } finally {
          _iterator.f();
        }
      } else {
        this[name] = defaults[name];
      }
    }
  }
  _createClass(Node, [{
    key: "error",
    value: function error(message) {
      var opts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
      if (this.source) {
        var _this$rangeBy = this.rangeBy(opts),
          start = _this$rangeBy.start,
          end = _this$rangeBy.end;
        return this.source.input.error(message, {
          line: start.line,
          column: start.column
        }, {
          line: end.line,
          column: end.column
        }, opts);
      }
      return new CssSyntaxError(message);
    }
  }, {
    key: "warn",
    value: function warn(result, text, opts) {
      var data = {
        node: this
      };
      for (var i in opts) data[i] = opts[i];
      return result.warn(text, data);
    }
  }, {
    key: "remove",
    value: function remove() {
      if (this.parent) {
        this.parent.removeChild(this);
      }
      this.parent = undefined;
      return this;
    }
  }, {
    key: "toString",
    value: function toString() {
      var stringifier = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : stringify;
      if (stringifier.stringify) stringifier = stringifier.stringify;
      var result = '';
      stringifier(this, function (i) {
        result += i;
      });
      return result;
    }
  }, {
    key: "assign",
    value: function assign() {
      var overrides = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
      for (var name in overrides) {
        this[name] = overrides[name];
      }
      return this;
    }
  }, {
    key: "clone",
    value: function clone() {
      var overrides = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
      var cloned = cloneNode(this);
      for (var name in overrides) {
        cloned[name] = overrides[name];
      }
      return cloned;
    }
  }, {
    key: "cloneBefore",
    value: function cloneBefore() {
      var overrides = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
      var cloned = this.clone(overrides);
      this.parent.insertBefore(this, cloned);
      return cloned;
    }
  }, {
    key: "cloneAfter",
    value: function cloneAfter() {
      var overrides = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
      var cloned = this.clone(overrides);
      this.parent.insertAfter(this, cloned);
      return cloned;
    }
  }, {
    key: "replaceWith",
    value: function replaceWith() {
      if (this.parent) {
        var bookmark = this;
        var foundSelf = false;
        for (var _len = arguments.length, nodes = new Array(_len), _key = 0; _key < _len; _key++) {
          nodes[_key] = arguments[_key];
        }
        for (var _i = 0, _nodes = nodes; _i < _nodes.length; _i++) {
          var node = _nodes[_i];
          if (node === this) {
            foundSelf = true;
          } else if (foundSelf) {
            this.parent.insertAfter(bookmark, node);
            bookmark = node;
          } else {
            this.parent.insertBefore(bookmark, node);
          }
        }
        if (!foundSelf) {
          this.remove();
        }
      }
      return this;
    }
  }, {
    key: "next",
    value: function next() {
      if (!this.parent) return undefined;
      var index = this.parent.index(this);
      return this.parent.nodes[index + 1];
    }
  }, {
    key: "prev",
    value: function prev() {
      if (!this.parent) return undefined;
      var index = this.parent.index(this);
      return this.parent.nodes[index - 1];
    }
  }, {
    key: "before",
    value: function before(add) {
      this.parent.insertBefore(this, add);
      return this;
    }
  }, {
    key: "after",
    value: function after(add) {
      this.parent.insertAfter(this, add);
      return this;
    }
  }, {
    key: "root",
    value: function root() {
      var result = this;
      while (result.parent && result.parent.type !== 'document') {
        result = result.parent;
      }
      return result;
    }
  }, {
    key: "raw",
    value: function raw(prop, defaultType) {
      var str = new Stringifier();
      return str.raw(this, prop, defaultType);
    }
  }, {
    key: "cleanRaws",
    value: function cleanRaws(keepBetween) {
      delete this.raws.before;
      delete this.raws.after;
      if (!keepBetween) delete this.raws.between;
    }
  }, {
    key: "toJSON",
    value: function toJSON(_, inputs) {
      var fixed = {};
      var emitInputs = inputs == null;
      inputs = inputs || new Map();
      var inputsNextIndex = 0;
      for (var name in this) {
        if (!Object.prototype.hasOwnProperty.call(this, name)) {
          /* c8 ignore next 2 */
          continue;
        }
        if (name === 'parent' || name === 'proxyCache') continue;
        var value = this[name];
        if (Array.isArray(value)) {
          fixed[name] = value.map(function (i) {
            if (_typeof(i) === 'object' && i.toJSON) {
              return i.toJSON(null, inputs);
            } else {
              return i;
            }
          });
        } else if (_typeof(value) === 'object' && value.toJSON) {
          fixed[name] = value.toJSON(null, inputs);
        } else if (name === 'source') {
          var inputId = inputs.get(value.input);
          if (inputId == null) {
            inputId = inputsNextIndex;
            inputs.set(value.input, inputsNextIndex);
            inputsNextIndex++;
          }
          fixed[name] = {
            inputId: inputId,
            start: value.start,
            end: value.end
          };
        } else {
          fixed[name] = value;
        }
      }
      if (emitInputs) {
        fixed.inputs = _toConsumableArray(inputs.keys()).map(function (input) {
          return input.toJSON();
        });
      }
      return fixed;
    }
  }, {
    key: "positionInside",
    value: function positionInside(index) {
      var string = this.toString();
      var column = this.source.start.column;
      var line = this.source.start.line;
      for (var i = 0; i < index; i++) {
        if (string[i] === '\n') {
          column = 1;
          line += 1;
        } else {
          column += 1;
        }
      }
      return {
        line: line,
        column: column
      };
    }
  }, {
    key: "positionBy",
    value: function positionBy(opts) {
      var pos = this.source.start;
      if (opts.index) {
        pos = this.positionInside(opts.index);
      } else if (opts.word) {
        var index = this.toString().indexOf(opts.word);
        if (index !== -1) pos = this.positionInside(index);
      }
      return pos;
    }
  }, {
    key: "rangeBy",
    value: function rangeBy(opts) {
      var start = {
        line: this.source.start.line,
        column: this.source.start.column
      };
      var end = this.source.end ? {
        line: this.source.end.line,
        column: this.source.end.column + 1
      } : {
        line: start.line,
        column: start.column + 1
      };
      if (opts.word) {
        var index = this.toString().indexOf(opts.word);
        if (index !== -1) {
          start = this.positionInside(index);
          end = this.positionInside(index + opts.word.length);
        }
      } else {
        if (opts.start) {
          start = {
            line: opts.start.line,
            column: opts.start.column
          };
        } else if (opts.index) {
          start = this.positionInside(opts.index);
        }
        if (opts.end) {
          end = {
            line: opts.end.line,
            column: opts.end.column
          };
        } else if (opts.endIndex) {
          end = this.positionInside(opts.endIndex);
        } else if (opts.index) {
          end = this.positionInside(opts.index + 1);
        }
      }
      if (end.line < start.line || end.line === start.line && end.column <= start.column) {
        end = {
          line: start.line,
          column: start.column + 1
        };
      }
      return {
        start: start,
        end: end
      };
    }
  }, {
    key: "getProxyProcessor",
    value: function getProxyProcessor() {
      return {
        set: function set(node, prop, value) {
          if (node[prop] === value) return true;
          node[prop] = value;
          if (prop === 'prop' || prop === 'value' || prop === 'name' || prop === 'params' || prop === 'important' || /* c8 ignore next */
          prop === 'text') {
            node.markDirty();
          }
          return true;
        },
        get: function get(node, prop) {
          if (prop === 'proxyOf') {
            return node;
          } else if (prop === 'root') {
            return function () {
              return node.root().toProxy();
            };
          } else {
            return node[prop];
          }
        }
      };
    }
  }, {
    key: "toProxy",
    value: function toProxy() {
      if (!this.proxyCache) {
        this.proxyCache = new Proxy(this, this.getProxyProcessor());
      }
      return this.proxyCache;
    }
  }, {
    key: "addToError",
    value: function addToError(error) {
      error.postcssNode = this;
      if (error.stack && this.source && /\n\s{4}at /.test(error.stack)) {
        var s = this.source;
        error.stack = error.stack.replace(/\n\s{4}at /, "$&".concat(s.input.from, ":").concat(s.start.line, ":").concat(s.start.column, "$&"));
      }
      return error;
    }
  }, {
    key: "markDirty",
    value: function markDirty() {
      if (this[isClean]) {
        this[isClean] = false;
        var next = this;
        while (next = next.parent) {
          next[isClean] = false;
        }
      }
    }
  }, {
    key: "proxyOf",
    get: function get() {
      return this;
    }
  }]);
  return Node;
}();
module.exports = Node;
Node["default"] = Node;

/***/ }),

/***/ 7057:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {




var Container = __webpack_require__(1204);
var Parser = __webpack_require__(7116);
var Input = __webpack_require__(2993);
function parse(css, opts) {
  var input = new Input(css, opts);
  var parser = new Parser(input);
  try {
    parser.parse();
  } catch (e) {
    if (false) {}
    throw e;
  }
  return parser.root;
}
module.exports = parse;
parse["default"] = parse;
Container.registerParse(parse);

/***/ }),

/***/ 7116:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {




function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _iterableToArrayLimit(arr, i) { var _i = null == arr ? null : "undefined" != typeof Symbol && arr[Symbol.iterator] || arr["@@iterator"]; if (null != _i) { var _s, _e, _x, _r, _arr = [], _n = !0, _d = !1; try { if (_x = (_i = _i.call(arr)).next, 0 === i) { if (Object(_i) !== _i) return; _n = !1; } else for (; !(_n = (_s = _x.call(_i)).done) && (_arr.push(_s.value), _arr.length !== i); _n = !0); } catch (err) { _d = !0, _e = err; } finally { try { if (!_n && null != _i["return"] && (_r = _i["return"](), Object(_r) !== _r)) return; } finally { if (_d) throw _e; } } return _arr; } }
function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
function _createForOfIteratorHelper(o, allowArrayLike) { var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"]; if (!it) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e2) { throw _e2; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = it.call(o); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e3) { didErr = true; err = _e3; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, _toPropertyKey(descriptor.key), descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }
function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return _typeof(key) === "symbol" ? key : String(key); }
function _toPrimitive(input, hint) { if (_typeof(input) !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (_typeof(res) !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); }
var Declaration = __webpack_require__(6417);
var tokenizer = __webpack_require__(1157);
var Comment = __webpack_require__(3102);
var AtRule = __webpack_require__(8940);
var Root = __webpack_require__(7563);
var Rule = __webpack_require__(6621);
var SAFE_COMMENT_NEIGHBOR = {
  empty: true,
  space: true
};
function findLastWithPosition(tokens) {
  for (var i = tokens.length - 1; i >= 0; i--) {
    var token = tokens[i];
    var pos = token[3] || token[2];
    if (pos) return pos;
  }
}
var Parser = /*#__PURE__*/function () {
  function Parser(input) {
    _classCallCheck(this, Parser);
    this.input = input;
    this.root = new Root();
    this.current = this.root;
    this.spaces = '';
    this.semicolon = false;
    this.customProperty = false;
    this.createTokenizer();
    this.root.source = {
      input: input,
      start: {
        offset: 0,
        line: 1,
        column: 1
      }
    };
  }
  _createClass(Parser, [{
    key: "createTokenizer",
    value: function createTokenizer() {
      this.tokenizer = tokenizer(this.input);
    }
  }, {
    key: "parse",
    value: function parse() {
      var token;
      while (!this.tokenizer.endOfFile()) {
        token = this.tokenizer.nextToken();
        switch (token[0]) {
          case 'space':
            this.spaces += token[1];
            break;
          case ';':
            this.freeSemicolon(token);
            break;
          case '}':
            this.end(token);
            break;
          case 'comment':
            this.comment(token);
            break;
          case 'at-word':
            this.atrule(token);
            break;
          case '{':
            this.emptyRule(token);
            break;
          default:
            this.other(token);
            break;
        }
      }
      this.endFile();
    }
  }, {
    key: "comment",
    value: function comment(token) {
      var node = new Comment();
      this.init(node, token[2]);
      node.source.end = this.getPosition(token[3] || token[2]);
      var text = token[1].slice(2, -2);
      if (/^\s*$/.test(text)) {
        node.text = '';
        node.raws.left = text;
        node.raws.right = '';
      } else {
        var match = text.match(/^(\s*)([^]*\S)(\s*)$/);
        node.text = match[2];
        node.raws.left = match[1];
        node.raws.right = match[3];
      }
    }
  }, {
    key: "emptyRule",
    value: function emptyRule(token) {
      var node = new Rule();
      this.init(node, token[2]);
      node.selector = '';
      node.raws.between = '';
      this.current = node;
    }
  }, {
    key: "other",
    value: function other(start) {
      var end = false;
      var type = null;
      var colon = false;
      var bracket = null;
      var brackets = [];
      var customProperty = start[1].startsWith('--');
      var tokens = [];
      var token = start;
      while (token) {
        type = token[0];
        tokens.push(token);
        if (type === '(' || type === '[') {
          if (!bracket) bracket = token;
          brackets.push(type === '(' ? ')' : ']');
        } else if (customProperty && colon && type === '{') {
          if (!bracket) bracket = token;
          brackets.push('}');
        } else if (brackets.length === 0) {
          if (type === ';') {
            if (colon) {
              this.decl(tokens, customProperty);
              return;
            } else {
              break;
            }
          } else if (type === '{') {
            this.rule(tokens);
            return;
          } else if (type === '}') {
            this.tokenizer.back(tokens.pop());
            end = true;
            break;
          } else if (type === ':') {
            colon = true;
          }
        } else if (type === brackets[brackets.length - 1]) {
          brackets.pop();
          if (brackets.length === 0) bracket = null;
        }
        token = this.tokenizer.nextToken();
      }
      if (this.tokenizer.endOfFile()) end = true;
      if (brackets.length > 0) this.unclosedBracket(bracket);
      if (end && colon) {
        if (!customProperty) {
          while (tokens.length) {
            token = tokens[tokens.length - 1][0];
            if (token !== 'space' && token !== 'comment') break;
            this.tokenizer.back(tokens.pop());
          }
        }
        this.decl(tokens, customProperty);
      } else {
        this.unknownWord(tokens);
      }
    }
  }, {
    key: "rule",
    value: function rule(tokens) {
      tokens.pop();
      var node = new Rule();
      this.init(node, tokens[0][2]);
      node.raws.between = this.spacesAndCommentsFromEnd(tokens);
      this.raw(node, 'selector', tokens);
      this.current = node;
    }
  }, {
    key: "decl",
    value: function decl(tokens, customProperty) {
      var node = new Declaration();
      this.init(node, tokens[0][2]);
      var last = tokens[tokens.length - 1];
      if (last[0] === ';') {
        this.semicolon = true;
        tokens.pop();
      }
      node.source.end = this.getPosition(last[3] || last[2] || findLastWithPosition(tokens));
      while (tokens[0][0] !== 'word') {
        if (tokens.length === 1) this.unknownWord(tokens);
        node.raws.before += tokens.shift()[1];
      }
      node.source.start = this.getPosition(tokens[0][2]);
      node.prop = '';
      while (tokens.length) {
        var type = tokens[0][0];
        if (type === ':' || type === 'space' || type === 'comment') {
          break;
        }
        node.prop += tokens.shift()[1];
      }
      node.raws.between = '';
      var token;
      while (tokens.length) {
        token = tokens.shift();
        if (token[0] === ':') {
          node.raws.between += token[1];
          break;
        } else {
          if (token[0] === 'word' && /\w/.test(token[1])) {
            this.unknownWord([token]);
          }
          node.raws.between += token[1];
        }
      }
      if (node.prop[0] === '_' || node.prop[0] === '*') {
        node.raws.before += node.prop[0];
        node.prop = node.prop.slice(1);
      }
      var firstSpaces = [];
      var next;
      while (tokens.length) {
        next = tokens[0][0];
        if (next !== 'space' && next !== 'comment') break;
        firstSpaces.push(tokens.shift());
      }
      this.precheckMissedSemicolon(tokens);
      for (var i = tokens.length - 1; i >= 0; i--) {
        token = tokens[i];
        if (token[1].toLowerCase() === '!important') {
          node.important = true;
          var string = this.stringFrom(tokens, i);
          string = this.spacesFromEnd(tokens) + string;
          if (string !== ' !important') node.raws.important = string;
          break;
        } else if (token[1].toLowerCase() === 'important') {
          var cache = tokens.slice(0);
          var str = '';
          for (var j = i; j > 0; j--) {
            var _type = cache[j][0];
            if (str.trim().indexOf('!') === 0 && _type !== 'space') {
              break;
            }
            str = cache.pop()[1] + str;
          }
          if (str.trim().indexOf('!') === 0) {
            node.important = true;
            node.raws.important = str;
            tokens = cache;
          }
        }
        if (token[0] !== 'space' && token[0] !== 'comment') {
          break;
        }
      }
      var hasWord = tokens.some(function (i) {
        return i[0] !== 'space' && i[0] !== 'comment';
      });
      if (hasWord) {
        node.raws.between += firstSpaces.map(function (i) {
          return i[1];
        }).join('');
        firstSpaces = [];
      }
      this.raw(node, 'value', firstSpaces.concat(tokens), customProperty);
      if (node.value.includes(':') && !customProperty) {
        this.checkMissedSemicolon(tokens);
      }
    }
  }, {
    key: "atrule",
    value: function atrule(token) {
      var node = new AtRule();
      node.name = token[1].slice(1);
      if (node.name === '') {
        this.unnamedAtrule(node, token);
      }
      this.init(node, token[2]);
      var type;
      var prev;
      var shift;
      var last = false;
      var open = false;
      var params = [];
      var brackets = [];
      while (!this.tokenizer.endOfFile()) {
        token = this.tokenizer.nextToken();
        type = token[0];
        if (type === '(' || type === '[') {
          brackets.push(type === '(' ? ')' : ']');
        } else if (type === '{' && brackets.length > 0) {
          brackets.push('}');
        } else if (type === brackets[brackets.length - 1]) {
          brackets.pop();
        }
        if (brackets.length === 0) {
          if (type === ';') {
            node.source.end = this.getPosition(token[2]);
            this.semicolon = true;
            break;
          } else if (type === '{') {
            open = true;
            break;
          } else if (type === '}') {
            if (params.length > 0) {
              shift = params.length - 1;
              prev = params[shift];
              while (prev && prev[0] === 'space') {
                prev = params[--shift];
              }
              if (prev) {
                node.source.end = this.getPosition(prev[3] || prev[2]);
              }
            }
            this.end(token);
            break;
          } else {
            params.push(token);
          }
        } else {
          params.push(token);
        }
        if (this.tokenizer.endOfFile()) {
          last = true;
          break;
        }
      }
      node.raws.between = this.spacesAndCommentsFromEnd(params);
      if (params.length) {
        node.raws.afterName = this.spacesAndCommentsFromStart(params);
        this.raw(node, 'params', params);
        if (last) {
          token = params[params.length - 1];
          node.source.end = this.getPosition(token[3] || token[2]);
          this.spaces = node.raws.between;
          node.raws.between = '';
        }
      } else {
        node.raws.afterName = '';
        node.params = '';
      }
      if (open) {
        node.nodes = [];
        this.current = node;
      }
    }
  }, {
    key: "end",
    value: function end(token) {
      if (this.current.nodes && this.current.nodes.length) {
        this.current.raws.semicolon = this.semicolon;
      }
      this.semicolon = false;
      this.current.raws.after = (this.current.raws.after || '') + this.spaces;
      this.spaces = '';
      if (this.current.parent) {
        this.current.source.end = this.getPosition(token[2]);
        this.current = this.current.parent;
      } else {
        this.unexpectedClose(token);
      }
    }
  }, {
    key: "endFile",
    value: function endFile() {
      if (this.current.parent) this.unclosedBlock();
      if (this.current.nodes && this.current.nodes.length) {
        this.current.raws.semicolon = this.semicolon;
      }
      this.current.raws.after = (this.current.raws.after || '') + this.spaces;
    }
  }, {
    key: "freeSemicolon",
    value: function freeSemicolon(token) {
      this.spaces += token[1];
      if (this.current.nodes) {
        var prev = this.current.nodes[this.current.nodes.length - 1];
        if (prev && prev.type === 'rule' && !prev.raws.ownSemicolon) {
          prev.raws.ownSemicolon = this.spaces;
          this.spaces = '';
        }
      }
    }

    // Helpers
  }, {
    key: "getPosition",
    value: function getPosition(offset) {
      var pos = this.input.fromOffset(offset);
      return {
        offset: offset,
        line: pos.line,
        column: pos.col
      };
    }
  }, {
    key: "init",
    value: function init(node, offset) {
      this.current.push(node);
      node.source = {
        start: this.getPosition(offset),
        input: this.input
      };
      node.raws.before = this.spaces;
      this.spaces = '';
      if (node.type !== 'comment') this.semicolon = false;
    }
  }, {
    key: "raw",
    value: function raw(node, prop, tokens, customProperty) {
      var token, type;
      var length = tokens.length;
      var value = '';
      var clean = true;
      var next, prev;
      for (var i = 0; i < length; i += 1) {
        token = tokens[i];
        type = token[0];
        if (type === 'space' && i === length - 1 && !customProperty) {
          clean = false;
        } else if (type === 'comment') {
          prev = tokens[i - 1] ? tokens[i - 1][0] : 'empty';
          next = tokens[i + 1] ? tokens[i + 1][0] : 'empty';
          if (!SAFE_COMMENT_NEIGHBOR[prev] && !SAFE_COMMENT_NEIGHBOR[next]) {
            if (value.slice(-1) === ',') {
              clean = false;
            } else {
              value += token[1];
            }
          } else {
            clean = false;
          }
        } else {
          value += token[1];
        }
      }
      if (!clean) {
        var raw = tokens.reduce(function (all, i) {
          return all + i[1];
        }, '');
        node.raws[prop] = {
          value: value,
          raw: raw
        };
      }
      node[prop] = value;
    }
  }, {
    key: "spacesAndCommentsFromEnd",
    value: function spacesAndCommentsFromEnd(tokens) {
      var lastTokenType;
      var spaces = '';
      while (tokens.length) {
        lastTokenType = tokens[tokens.length - 1][0];
        if (lastTokenType !== 'space' && lastTokenType !== 'comment') break;
        spaces = tokens.pop()[1] + spaces;
      }
      return spaces;
    }
  }, {
    key: "spacesAndCommentsFromStart",
    value: function spacesAndCommentsFromStart(tokens) {
      var next;
      var spaces = '';
      while (tokens.length) {
        next = tokens[0][0];
        if (next !== 'space' && next !== 'comment') break;
        spaces += tokens.shift()[1];
      }
      return spaces;
    }
  }, {
    key: "spacesFromEnd",
    value: function spacesFromEnd(tokens) {
      var lastTokenType;
      var spaces = '';
      while (tokens.length) {
        lastTokenType = tokens[tokens.length - 1][0];
        if (lastTokenType !== 'space') break;
        spaces = tokens.pop()[1] + spaces;
      }
      return spaces;
    }
  }, {
    key: "stringFrom",
    value: function stringFrom(tokens, from) {
      var result = '';
      for (var i = from; i < tokens.length; i++) {
        result += tokens[i][1];
      }
      tokens.splice(from, tokens.length - from);
      return result;
    }
  }, {
    key: "colon",
    value: function colon(tokens) {
      var brackets = 0;
      var token, type, prev;
      var _iterator = _createForOfIteratorHelper(tokens.entries()),
        _step;
      try {
        for (_iterator.s(); !(_step = _iterator.n()).done;) {
          var _step$value = _slicedToArray(_step.value, 2),
            i = _step$value[0],
            element = _step$value[1];
          token = element;
          type = token[0];
          if (type === '(') {
            brackets += 1;
          }
          if (type === ')') {
            brackets -= 1;
          }
          if (brackets === 0 && type === ':') {
            if (!prev) {
              this.doubleColon(token);
            } else if (prev[0] === 'word' && prev[1] === 'progid') {
              continue;
            } else {
              return i;
            }
          }
          prev = token;
        }
      } catch (err) {
        _iterator.e(err);
      } finally {
        _iterator.f();
      }
      return false;
    }

    // Errors
  }, {
    key: "unclosedBracket",
    value: function unclosedBracket(bracket) {
      throw this.input.error('Unclosed bracket', {
        offset: bracket[2]
      }, {
        offset: bracket[2] + 1
      });
    }
  }, {
    key: "unknownWord",
    value: function unknownWord(tokens) {
      throw this.input.error('Unknown word', {
        offset: tokens[0][2]
      }, {
        offset: tokens[0][2] + tokens[0][1].length
      });
    }
  }, {
    key: "unexpectedClose",
    value: function unexpectedClose(token) {
      throw this.input.error('Unexpected }', {
        offset: token[2]
      }, {
        offset: token[2] + 1
      });
    }
  }, {
    key: "unclosedBlock",
    value: function unclosedBlock() {
      var pos = this.current.source.start;
      throw this.input.error('Unclosed block', pos.line, pos.column);
    }
  }, {
    key: "doubleColon",
    value: function doubleColon(token) {
      throw this.input.error('Double colon', {
        offset: token[2]
      }, {
        offset: token[2] + token[1].length
      });
    }
  }, {
    key: "unnamedAtrule",
    value: function unnamedAtrule(node, token) {
      throw this.input.error('At-rule without name', {
        offset: token[2]
      }, {
        offset: token[2] + token[1].length
      });
    }
  }, {
    key: "precheckMissedSemicolon",
    value: function precheckMissedSemicolon( /* tokens */
    ) {
      // Hook for Safe Parser
    }
  }, {
    key: "checkMissedSemicolon",
    value: function checkMissedSemicolon(tokens) {
      var colon = this.colon(tokens);
      if (colon === false) return;
      var founded = 0;
      var token;
      for (var j = colon - 1; j >= 0; j--) {
        token = tokens[j];
        if (token[0] !== 'space') {
          founded += 1;
          if (founded === 2) break;
        }
      }
      // If the token is a word, e.g. `!important`, `red` or any other valid property's value.
      // Then we need to return the colon after that word token. [3] is the "end" colon of that word.
      // And because we need it after that one we do +1 to get the next one.
      throw this.input.error('Missed semicolon', token[0] === 'word' ? token[3] + 1 : token[2]);
    }
  }]);
  return Parser;
}();
module.exports = Parser;

/***/ }),

/***/ 7866:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {




var CssSyntaxError = __webpack_require__(1667);
var Declaration = __webpack_require__(6417);
var LazyResult = __webpack_require__(6992);
var Container = __webpack_require__(1204);
var Processor = __webpack_require__(9429);
var stringify = __webpack_require__(6157);
var fromJSON = __webpack_require__(9295);
var Document = __webpack_require__(7083);
var Warning = __webpack_require__(1662);
var Comment = __webpack_require__(3102);
var AtRule = __webpack_require__(8940);
var Result = __webpack_require__(6865);
var Input = __webpack_require__(2993);
var parse = __webpack_require__(7057);
var list = __webpack_require__(6136);
var Rule = __webpack_require__(6621);
var Root = __webpack_require__(7563);
var Node = __webpack_require__(4343);
function postcss() {
  for (var _len = arguments.length, plugins = new Array(_len), _key = 0; _key < _len; _key++) {
    plugins[_key] = arguments[_key];
  }
  if (plugins.length === 1 && Array.isArray(plugins[0])) {
    plugins = plugins[0];
  }
  return new Processor(plugins);
}
postcss.plugin = function plugin(name, initializer) {
  var warningPrinted = false;
  function creator() {
    // eslint-disable-next-line no-console
    if (console && console.warn && !warningPrinted) {
      warningPrinted = true;
      // eslint-disable-next-line no-console
      console.warn(name + ': postcss.plugin was deprecated. Migration guide:\n' + 'https://evilmartians.com/chronicles/postcss-8-plugin-migration');
      if (process.env.LANG && process.env.LANG.startsWith('cn')) {
        /* c8 ignore next 7 */
        // eslint-disable-next-line no-console
        console.warn(name + ': 里面 postcss.plugin 被弃用. 迁移指南:\n' + 'https://www.w3ctech.com/topic/2226');
      }
    }
    var transformer = initializer.apply(void 0, arguments);
    transformer.postcssPlugin = name;
    transformer.postcssVersion = new Processor().version;
    return transformer;
  }
  var cache;
  Object.defineProperty(creator, 'postcss', {
    get: function get() {
      if (!cache) cache = creator();
      return cache;
    }
  });
  creator.process = function (css, processOpts, pluginOpts) {
    return postcss([creator(pluginOpts)]).process(css, processOpts);
  };
  return creator;
};
postcss.stringify = stringify;
postcss.parse = parse;
postcss.fromJSON = fromJSON;
postcss.list = list;
postcss.comment = function (defaults) {
  return new Comment(defaults);
};
postcss.atRule = function (defaults) {
  return new AtRule(defaults);
};
postcss.decl = function (defaults) {
  return new Declaration(defaults);
};
postcss.rule = function (defaults) {
  return new Rule(defaults);
};
postcss.root = function (defaults) {
  return new Root(defaults);
};
postcss.document = function (defaults) {
  return new Document(defaults);
};
postcss.CssSyntaxError = CssSyntaxError;
postcss.Declaration = Declaration;
postcss.Container = Container;
postcss.Processor = Processor;
postcss.Document = Document;
postcss.Comment = Comment;
postcss.Warning = Warning;
postcss.AtRule = AtRule;
postcss.Result = Result;
postcss.Input = Input;
postcss.Rule = Rule;
postcss.Root = Root;
postcss.Node = Node;
LazyResult.registerPostcss(postcss);
module.exports = postcss;
postcss["default"] = postcss;

/***/ }),

/***/ 3353:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {




function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, _toPropertyKey(descriptor.key), descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }
function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return _typeof(key) === "symbol" ? key : String(key); }
function _toPrimitive(input, hint) { if (_typeof(input) !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (_typeof(res) !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); }
var _require = __webpack_require__(209),
  SourceMapConsumer = _require.SourceMapConsumer,
  SourceMapGenerator = _require.SourceMapGenerator;
var _require2 = __webpack_require__(4777),
  existsSync = _require2.existsSync,
  readFileSync = _require2.readFileSync;
var _require3 = __webpack_require__(9830),
  dirname = _require3.dirname,
  join = _require3.join;
function fromBase64(str) {
  if (Buffer) {
    return Buffer.from(str, 'base64').toString();
  } else {
    /* c8 ignore next 2 */
    return window.atob(str);
  }
}
var PreviousMap = /*#__PURE__*/function () {
  function PreviousMap(css, opts) {
    _classCallCheck(this, PreviousMap);
    if (opts.map === false) return;
    this.loadAnnotation(css);
    this.inline = this.startWith(this.annotation, 'data:');
    var prev = opts.map ? opts.map.prev : undefined;
    var text = this.loadMap(opts.from, prev);
    if (!this.mapFile && opts.from) {
      this.mapFile = opts.from;
    }
    if (this.mapFile) this.root = dirname(this.mapFile);
    if (text) this.text = text;
  }
  _createClass(PreviousMap, [{
    key: "consumer",
    value: function consumer() {
      if (!this.consumerCache) {
        this.consumerCache = new SourceMapConsumer(this.text);
      }
      return this.consumerCache;
    }
  }, {
    key: "withContent",
    value: function withContent() {
      return !!(this.consumer().sourcesContent && this.consumer().sourcesContent.length > 0);
    }
  }, {
    key: "startWith",
    value: function startWith(string, start) {
      if (!string) return false;
      return string.substr(0, start.length) === start;
    }
  }, {
    key: "getAnnotationURL",
    value: function getAnnotationURL(sourceMapString) {
      return sourceMapString.replace(/^\/\*\s*# sourceMappingURL=/, '').trim();
    }
  }, {
    key: "loadAnnotation",
    value: function loadAnnotation(css) {
      var comments = css.match(/\/\*\s*# sourceMappingURL=/gm);
      if (!comments) return;

      // sourceMappingURLs from comments, strings, etc.
      var start = css.lastIndexOf(comments.pop());
      var end = css.indexOf('*/', start);
      if (start > -1 && end > -1) {
        // Locate the last sourceMappingURL to avoid pickin
        this.annotation = this.getAnnotationURL(css.substring(start, end));
      }
    }
  }, {
    key: "decodeInline",
    value: function decodeInline(text) {
      var baseCharsetUri = /^data:application\/json;charset=utf-?8;base64,/;
      var baseUri = /^data:application\/json;base64,/;
      var charsetUri = /^data:application\/json;charset=utf-?8,/;
      var uri = /^data:application\/json,/;
      if (charsetUri.test(text) || uri.test(text)) {
        return decodeURIComponent(text.substr(RegExp.lastMatch.length));
      }
      if (baseCharsetUri.test(text) || baseUri.test(text)) {
        return fromBase64(text.substr(RegExp.lastMatch.length));
      }
      var encoding = text.match(/data:application\/json;([^,]+),/)[1];
      throw new Error('Unsupported source map encoding ' + encoding);
    }
  }, {
    key: "loadFile",
    value: function loadFile(path) {
      this.root = dirname(path);
      if (existsSync(path)) {
        this.mapFile = path;
        return readFileSync(path, 'utf-8').toString().trim();
      }
    }
  }, {
    key: "loadMap",
    value: function loadMap(file, prev) {
      if (prev === false) return false;
      if (prev) {
        if (typeof prev === 'string') {
          return prev;
        } else if (typeof prev === 'function') {
          var prevPath = prev(file);
          if (prevPath) {
            var map = this.loadFile(prevPath);
            if (!map) {
              throw new Error('Unable to load previous source map: ' + prevPath.toString());
            }
            return map;
          }
        } else if (prev instanceof SourceMapConsumer) {
          return SourceMapGenerator.fromSourceMap(prev).toString();
        } else if (prev instanceof SourceMapGenerator) {
          return prev.toString();
        } else if (this.isMap(prev)) {
          return JSON.stringify(prev);
        } else {
          throw new Error('Unsupported previous source map format: ' + prev.toString());
        }
      } else if (this.inline) {
        return this.decodeInline(this.annotation);
      } else if (this.annotation) {
        var _map = this.annotation;
        if (file) _map = join(dirname(file), _map);
        return this.loadFile(_map);
      }
    }
  }, {
    key: "isMap",
    value: function isMap(map) {
      if (_typeof(map) !== 'object') return false;
      return typeof map.mappings === 'string' || typeof map._mappings === 'string' || Array.isArray(map.sections);
    }
  }]);
  return PreviousMap;
}();
module.exports = PreviousMap;
PreviousMap["default"] = PreviousMap;

/***/ }),

/***/ 9429:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {




function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
function _createForOfIteratorHelper(o, allowArrayLike) { var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"]; if (!it) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = it.call(o); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, _toPropertyKey(descriptor.key), descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }
function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return _typeof(key) === "symbol" ? key : String(key); }
function _toPrimitive(input, hint) { if (_typeof(input) !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (_typeof(res) !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); }
var NoWorkResult = __webpack_require__(7686);
var LazyResult = __webpack_require__(6992);
var Document = __webpack_require__(7083);
var Root = __webpack_require__(7563);
var Processor = /*#__PURE__*/function () {
  function Processor() {
    var plugins = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
    _classCallCheck(this, Processor);
    this.version = '8.4.23';
    this.plugins = this.normalize(plugins);
  }
  _createClass(Processor, [{
    key: "use",
    value: function use(plugin) {
      this.plugins = this.plugins.concat(this.normalize([plugin]));
      return this;
    }
  }, {
    key: "process",
    value: function process(css) {
      var opts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
      if (this.plugins.length === 0 && typeof opts.parser === 'undefined' && typeof opts.stringifier === 'undefined' && typeof opts.syntax === 'undefined') {
        return new NoWorkResult(this, css, opts);
      } else {
        return new LazyResult(this, css, opts);
      }
    }
  }, {
    key: "normalize",
    value: function normalize(plugins) {
      var normalized = [];
      var _iterator = _createForOfIteratorHelper(plugins),
        _step;
      try {
        for (_iterator.s(); !(_step = _iterator.n()).done;) {
          var i = _step.value;
          if (i.postcss === true) {
            i = i();
          } else if (i.postcss) {
            i = i.postcss;
          }
          if (_typeof(i) === 'object' && Array.isArray(i.plugins)) {
            normalized = normalized.concat(i.plugins);
          } else if (_typeof(i) === 'object' && i.postcssPlugin) {
            normalized.push(i);
          } else if (typeof i === 'function') {
            normalized.push(i);
          } else if (_typeof(i) === 'object' && (i.parse || i.stringify)) {
            if (false) {}
          } else {
            throw new Error(i + ' is not a PostCSS plugin');
          }
        }
      } catch (err) {
        _iterator.e(err);
      } finally {
        _iterator.f();
      }
      return normalized;
    }
  }]);
  return Processor;
}();
module.exports = Processor;
Processor["default"] = Processor;
Root.registerProcessor(Processor);
Document.registerProcessor(Processor);

/***/ }),

/***/ 6865:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {




function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, _toPropertyKey(descriptor.key), descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }
function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return _typeof(key) === "symbol" ? key : String(key); }
function _toPrimitive(input, hint) { if (_typeof(input) !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (_typeof(res) !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); }
var Warning = __webpack_require__(1662);
var Result = /*#__PURE__*/function () {
  function Result(processor, root, opts) {
    _classCallCheck(this, Result);
    this.processor = processor;
    this.messages = [];
    this.root = root;
    this.opts = opts;
    this.css = undefined;
    this.map = undefined;
  }
  _createClass(Result, [{
    key: "toString",
    value: function toString() {
      return this.css;
    }
  }, {
    key: "warn",
    value: function warn(text) {
      var opts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
      if (!opts.plugin) {
        if (this.lastPlugin && this.lastPlugin.postcssPlugin) {
          opts.plugin = this.lastPlugin.postcssPlugin;
        }
      }
      var warning = new Warning(text, opts);
      this.messages.push(warning);
      return warning;
    }
  }, {
    key: "warnings",
    value: function warnings() {
      return this.messages.filter(function (i) {
        return i.type === 'warning';
      });
    }
  }, {
    key: "content",
    get: function get() {
      return this.css;
    }
  }]);
  return Result;
}();
module.exports = Result;
Result["default"] = Result;

/***/ }),

/***/ 7563:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {




function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
function _createForOfIteratorHelper(o, allowArrayLike) { var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"]; if (!it) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = it.call(o); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, _toPropertyKey(descriptor.key), descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }
function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return _typeof(key) === "symbol" ? key : String(key); }
function _toPrimitive(input, hint) { if (_typeof(input) !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (_typeof(res) !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); }
function _get() { if (typeof Reflect !== "undefined" && Reflect.get) { _get = Reflect.get.bind(); } else { _get = function _get(target, property, receiver) { var base = _superPropBase(target, property); if (!base) return; var desc = Object.getOwnPropertyDescriptor(base, property); if (desc.get) { return desc.get.call(arguments.length < 3 ? target : receiver); } return desc.value; }; } return _get.apply(this, arguments); }
function _superPropBase(object, property) { while (!Object.prototype.hasOwnProperty.call(object, property)) { object = _getPrototypeOf(object); if (object === null) break; } return object; }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); Object.defineProperty(subClass, "prototype", { writable: false }); if (superClass) _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } return _assertThisInitialized(self); }
function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }
function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf.bind() : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
var Container = __webpack_require__(1204);
var LazyResult, Processor;
var Root = /*#__PURE__*/function (_Container) {
  _inherits(Root, _Container);
  var _super = _createSuper(Root);
  function Root(defaults) {
    var _this;
    _classCallCheck(this, Root);
    _this = _super.call(this, defaults);
    _this.type = 'root';
    if (!_this.nodes) _this.nodes = [];
    return _this;
  }
  _createClass(Root, [{
    key: "removeChild",
    value: function removeChild(child, ignore) {
      var index = this.index(child);
      if (!ignore && index === 0 && this.nodes.length > 1) {
        this.nodes[1].raws.before = this.nodes[index].raws.before;
      }
      return _get(_getPrototypeOf(Root.prototype), "removeChild", this).call(this, child);
    }
  }, {
    key: "normalize",
    value: function normalize(child, sample, type) {
      var nodes = _get(_getPrototypeOf(Root.prototype), "normalize", this).call(this, child);
      if (sample) {
        if (type === 'prepend') {
          if (this.nodes.length > 1) {
            sample.raws.before = this.nodes[1].raws.before;
          } else {
            delete sample.raws.before;
          }
        } else if (this.first !== sample) {
          var _iterator = _createForOfIteratorHelper(nodes),
            _step;
          try {
            for (_iterator.s(); !(_step = _iterator.n()).done;) {
              var node = _step.value;
              node.raws.before = sample.raws.before;
            }
          } catch (err) {
            _iterator.e(err);
          } finally {
            _iterator.f();
          }
        }
      }
      return nodes;
    }
  }, {
    key: "toResult",
    value: function toResult() {
      var opts = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
      var lazy = new LazyResult(new Processor(), this, opts);
      return lazy.stringify();
    }
  }]);
  return Root;
}(Container);
Root.registerLazyResult = function (dependant) {
  LazyResult = dependant;
};
Root.registerProcessor = function (dependant) {
  Processor = dependant;
};
module.exports = Root;
Root["default"] = Root;
Container.registerRoot(Root);

/***/ }),

/***/ 6621:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {




function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, _toPropertyKey(descriptor.key), descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }
function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return _typeof(key) === "symbol" ? key : String(key); }
function _toPrimitive(input, hint) { if (_typeof(input) !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (_typeof(res) !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); Object.defineProperty(subClass, "prototype", { writable: false }); if (superClass) _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } return _assertThisInitialized(self); }
function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }
function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf.bind() : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
var Container = __webpack_require__(1204);
var list = __webpack_require__(6136);
var Rule = /*#__PURE__*/function (_Container) {
  _inherits(Rule, _Container);
  var _super = _createSuper(Rule);
  function Rule(defaults) {
    var _this;
    _classCallCheck(this, Rule);
    _this = _super.call(this, defaults);
    _this.type = 'rule';
    if (!_this.nodes) _this.nodes = [];
    return _this;
  }
  _createClass(Rule, [{
    key: "selectors",
    get: function get() {
      return list.comma(this.selector);
    },
    set: function set(values) {
      var match = this.selector ? this.selector.match(/,\s*/) : null;
      var sep = match ? match[0] : ',' + this.raw('between', 'beforeOpen');
      this.selector = values.join(sep);
    }
  }]);
  return Rule;
}(Container);
module.exports = Rule;
Rule["default"] = Rule;
Container.registerRule(Rule);

/***/ }),

/***/ 5701:
/***/ ((module) => {




function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, _toPropertyKey(descriptor.key), descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }
function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return _typeof(key) === "symbol" ? key : String(key); }
function _toPrimitive(input, hint) { if (_typeof(input) !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (_typeof(res) !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); }
var DEFAULT_RAW = {
  colon: ': ',
  indent: '    ',
  beforeDecl: '\n',
  beforeRule: '\n',
  beforeOpen: ' ',
  beforeClose: '\n',
  beforeComment: '\n',
  after: '\n',
  emptyBody: '',
  commentLeft: ' ',
  commentRight: ' ',
  semicolon: false
};
function capitalize(str) {
  return str[0].toUpperCase() + str.slice(1);
}
var Stringifier = /*#__PURE__*/function () {
  function Stringifier(builder) {
    _classCallCheck(this, Stringifier);
    this.builder = builder;
  }
  _createClass(Stringifier, [{
    key: "stringify",
    value: function stringify(node, semicolon) {
      /* c8 ignore start */
      if (!this[node.type]) {
        throw new Error('Unknown AST node type ' + node.type + '. ' + 'Maybe you need to change PostCSS stringifier.');
      }
      /* c8 ignore stop */
      this[node.type](node, semicolon);
    }
  }, {
    key: "document",
    value: function document(node) {
      this.body(node);
    }
  }, {
    key: "root",
    value: function root(node) {
      this.body(node);
      if (node.raws.after) this.builder(node.raws.after);
    }
  }, {
    key: "comment",
    value: function comment(node) {
      var left = this.raw(node, 'left', 'commentLeft');
      var right = this.raw(node, 'right', 'commentRight');
      this.builder('/*' + left + node.text + right + '*/', node);
    }
  }, {
    key: "decl",
    value: function decl(node, semicolon) {
      var between = this.raw(node, 'between', 'colon');
      var string = node.prop + between + this.rawValue(node, 'value');
      if (node.important) {
        string += node.raws.important || ' !important';
      }
      if (semicolon) string += ';';
      this.builder(string, node);
    }
  }, {
    key: "rule",
    value: function rule(node) {
      this.block(node, this.rawValue(node, 'selector'));
      if (node.raws.ownSemicolon) {
        this.builder(node.raws.ownSemicolon, node, 'end');
      }
    }
  }, {
    key: "atrule",
    value: function atrule(node, semicolon) {
      var name = '@' + node.name;
      var params = node.params ? this.rawValue(node, 'params') : '';
      if (typeof node.raws.afterName !== 'undefined') {
        name += node.raws.afterName;
      } else if (params) {
        name += ' ';
      }
      if (node.nodes) {
        this.block(node, name + params);
      } else {
        var end = (node.raws.between || '') + (semicolon ? ';' : '');
        this.builder(name + params + end, node);
      }
    }
  }, {
    key: "body",
    value: function body(node) {
      var last = node.nodes.length - 1;
      while (last > 0) {
        if (node.nodes[last].type !== 'comment') break;
        last -= 1;
      }
      var semicolon = this.raw(node, 'semicolon');
      for (var i = 0; i < node.nodes.length; i++) {
        var child = node.nodes[i];
        var before = this.raw(child, 'before');
        if (before) this.builder(before);
        this.stringify(child, last !== i || semicolon);
      }
    }
  }, {
    key: "block",
    value: function block(node, start) {
      var between = this.raw(node, 'between', 'beforeOpen');
      this.builder(start + between + '{', node, 'start');
      var after;
      if (node.nodes && node.nodes.length) {
        this.body(node);
        after = this.raw(node, 'after');
      } else {
        after = this.raw(node, 'after', 'emptyBody');
      }
      if (after) this.builder(after);
      this.builder('}', node, 'end');
    }
  }, {
    key: "raw",
    value: function raw(node, own, detect) {
      var value;
      if (!detect) detect = own;

      // Already had
      if (own) {
        value = node.raws[own];
        if (typeof value !== 'undefined') return value;
      }
      var parent = node.parent;
      if (detect === 'before') {
        // Hack for first rule in CSS
        if (!parent || parent.type === 'root' && parent.first === node) {
          return '';
        }

        // `root` nodes in `document` should use only their own raws
        if (parent && parent.type === 'document') {
          return '';
        }
      }

      // Floating child without parent
      if (!parent) return DEFAULT_RAW[detect];

      // Detect style by other nodes
      var root = node.root();
      if (!root.rawCache) root.rawCache = {};
      if (typeof root.rawCache[detect] !== 'undefined') {
        return root.rawCache[detect];
      }
      if (detect === 'before' || detect === 'after') {
        return this.beforeAfter(node, detect);
      } else {
        var method = 'raw' + capitalize(detect);
        if (this[method]) {
          value = this[method](root, node);
        } else {
          root.walk(function (i) {
            value = i.raws[own];
            if (typeof value !== 'undefined') return false;
          });
        }
      }
      if (typeof value === 'undefined') value = DEFAULT_RAW[detect];
      root.rawCache[detect] = value;
      return value;
    }
  }, {
    key: "rawSemicolon",
    value: function rawSemicolon(root) {
      var value;
      root.walk(function (i) {
        if (i.nodes && i.nodes.length && i.last.type === 'decl') {
          value = i.raws.semicolon;
          if (typeof value !== 'undefined') return false;
        }
      });
      return value;
    }
  }, {
    key: "rawEmptyBody",
    value: function rawEmptyBody(root) {
      var value;
      root.walk(function (i) {
        if (i.nodes && i.nodes.length === 0) {
          value = i.raws.after;
          if (typeof value !== 'undefined') return false;
        }
      });
      return value;
    }
  }, {
    key: "rawIndent",
    value: function rawIndent(root) {
      if (root.raws.indent) return root.raws.indent;
      var value;
      root.walk(function (i) {
        var p = i.parent;
        if (p && p !== root && p.parent && p.parent === root) {
          if (typeof i.raws.before !== 'undefined') {
            var parts = i.raws.before.split('\n');
            value = parts[parts.length - 1];
            value = value.replace(/\S/g, '');
            return false;
          }
        }
      });
      return value;
    }
  }, {
    key: "rawBeforeComment",
    value: function rawBeforeComment(root, node) {
      var value;
      root.walkComments(function (i) {
        if (typeof i.raws.before !== 'undefined') {
          value = i.raws.before;
          if (value.includes('\n')) {
            value = value.replace(/[^\n]+$/, '');
          }
          return false;
        }
      });
      if (typeof value === 'undefined') {
        value = this.raw(node, null, 'beforeDecl');
      } else if (value) {
        value = value.replace(/\S/g, '');
      }
      return value;
    }
  }, {
    key: "rawBeforeDecl",
    value: function rawBeforeDecl(root, node) {
      var value;
      root.walkDecls(function (i) {
        if (typeof i.raws.before !== 'undefined') {
          value = i.raws.before;
          if (value.includes('\n')) {
            value = value.replace(/[^\n]+$/, '');
          }
          return false;
        }
      });
      if (typeof value === 'undefined') {
        value = this.raw(node, null, 'beforeRule');
      } else if (value) {
        value = value.replace(/\S/g, '');
      }
      return value;
    }
  }, {
    key: "rawBeforeRule",
    value: function rawBeforeRule(root) {
      var value;
      root.walk(function (i) {
        if (i.nodes && (i.parent !== root || root.first !== i)) {
          if (typeof i.raws.before !== 'undefined') {
            value = i.raws.before;
            if (value.includes('\n')) {
              value = value.replace(/[^\n]+$/, '');
            }
            return false;
          }
        }
      });
      if (value) value = value.replace(/\S/g, '');
      return value;
    }
  }, {
    key: "rawBeforeClose",
    value: function rawBeforeClose(root) {
      var value;
      root.walk(function (i) {
        if (i.nodes && i.nodes.length > 0) {
          if (typeof i.raws.after !== 'undefined') {
            value = i.raws.after;
            if (value.includes('\n')) {
              value = value.replace(/[^\n]+$/, '');
            }
            return false;
          }
        }
      });
      if (value) value = value.replace(/\S/g, '');
      return value;
    }
  }, {
    key: "rawBeforeOpen",
    value: function rawBeforeOpen(root) {
      var value;
      root.walk(function (i) {
        if (i.type !== 'decl') {
          value = i.raws.between;
          if (typeof value !== 'undefined') return false;
        }
      });
      return value;
    }
  }, {
    key: "rawColon",
    value: function rawColon(root) {
      var value;
      root.walkDecls(function (i) {
        if (typeof i.raws.between !== 'undefined') {
          value = i.raws.between.replace(/[^\s:]/g, '');
          return false;
        }
      });
      return value;
    }
  }, {
    key: "beforeAfter",
    value: function beforeAfter(node, detect) {
      var value;
      if (node.type === 'decl') {
        value = this.raw(node, null, 'beforeDecl');
      } else if (node.type === 'comment') {
        value = this.raw(node, null, 'beforeComment');
      } else if (detect === 'before') {
        value = this.raw(node, null, 'beforeRule');
      } else {
        value = this.raw(node, null, 'beforeClose');
      }
      var buf = node.parent;
      var depth = 0;
      while (buf && buf.type !== 'root') {
        depth += 1;
        buf = buf.parent;
      }
      if (value.includes('\n')) {
        var indent = this.raw(node, null, 'indent');
        if (indent.length) {
          for (var step = 0; step < depth; step++) value += indent;
        }
      }
      return value;
    }
  }, {
    key: "rawValue",
    value: function rawValue(node, prop) {
      var value = node[prop];
      var raw = node.raws[prop];
      if (raw && raw.value === value) {
        return raw.raw;
      }
      return value;
    }
  }]);
  return Stringifier;
}();
module.exports = Stringifier;
Stringifier["default"] = Stringifier;

/***/ }),

/***/ 6157:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {




var Stringifier = __webpack_require__(5701);
function stringify(node, builder) {
  var str = new Stringifier(builder);
  str.stringify(node);
}
module.exports = stringify;
stringify["default"] = stringify;

/***/ }),

/***/ 5506:
/***/ ((module) => {




module.exports.isClean = Symbol('isClean');
module.exports.my = Symbol('my');

/***/ }),

/***/ 1157:
/***/ ((module) => {




var SINGLE_QUOTE = "'".charCodeAt(0);
var DOUBLE_QUOTE = '"'.charCodeAt(0);
var BACKSLASH = '\\'.charCodeAt(0);
var SLASH = '/'.charCodeAt(0);
var NEWLINE = '\n'.charCodeAt(0);
var SPACE = ' '.charCodeAt(0);
var FEED = '\f'.charCodeAt(0);
var TAB = '\t'.charCodeAt(0);
var CR = '\r'.charCodeAt(0);
var OPEN_SQUARE = '['.charCodeAt(0);
var CLOSE_SQUARE = ']'.charCodeAt(0);
var OPEN_PARENTHESES = '('.charCodeAt(0);
var CLOSE_PARENTHESES = ')'.charCodeAt(0);
var OPEN_CURLY = '{'.charCodeAt(0);
var CLOSE_CURLY = '}'.charCodeAt(0);
var SEMICOLON = ';'.charCodeAt(0);
var ASTERISK = '*'.charCodeAt(0);
var COLON = ':'.charCodeAt(0);
var AT = '@'.charCodeAt(0);
var RE_AT_END = /[\t\n\f\r "#'()/;[\\\]{}]/g;
var RE_WORD_END = /[\t\n\f\r !"#'():;@[\\\]{}]|\/(?=\*)/g;
var RE_BAD_BRACKET = /.[\n"'(/\\]/;
var RE_HEX_ESCAPE = /[\da-f]/i;
module.exports = function tokenizer(input) {
  var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
  var css = input.css.valueOf();
  var ignore = options.ignoreErrors;
  var code, next, quote, content, escape;
  var escaped, escapePos, prev, n, currentToken;
  var length = css.length;
  var pos = 0;
  var buffer = [];
  var returned = [];
  function position() {
    return pos;
  }
  function unclosed(what) {
    throw input.error('Unclosed ' + what, pos);
  }
  function endOfFile() {
    return returned.length === 0 && pos >= length;
  }
  function nextToken(opts) {
    if (returned.length) return returned.pop();
    if (pos >= length) return;
    var ignoreUnclosed = opts ? opts.ignoreUnclosed : false;
    code = css.charCodeAt(pos);
    switch (code) {
      case NEWLINE:
      case SPACE:
      case TAB:
      case CR:
      case FEED:
        {
          next = pos;
          do {
            next += 1;
            code = css.charCodeAt(next);
          } while (code === SPACE || code === NEWLINE || code === TAB || code === CR || code === FEED);
          currentToken = ['space', css.slice(pos, next)];
          pos = next - 1;
          break;
        }
      case OPEN_SQUARE:
      case CLOSE_SQUARE:
      case OPEN_CURLY:
      case CLOSE_CURLY:
      case COLON:
      case SEMICOLON:
      case CLOSE_PARENTHESES:
        {
          var controlChar = String.fromCharCode(code);
          currentToken = [controlChar, controlChar, pos];
          break;
        }
      case OPEN_PARENTHESES:
        {
          prev = buffer.length ? buffer.pop()[1] : '';
          n = css.charCodeAt(pos + 1);
          if (prev === 'url' && n !== SINGLE_QUOTE && n !== DOUBLE_QUOTE && n !== SPACE && n !== NEWLINE && n !== TAB && n !== FEED && n !== CR) {
            next = pos;
            do {
              escaped = false;
              next = css.indexOf(')', next + 1);
              if (next === -1) {
                if (ignore || ignoreUnclosed) {
                  next = pos;
                  break;
                } else {
                  unclosed('bracket');
                }
              }
              escapePos = next;
              while (css.charCodeAt(escapePos - 1) === BACKSLASH) {
                escapePos -= 1;
                escaped = !escaped;
              }
            } while (escaped);
            currentToken = ['brackets', css.slice(pos, next + 1), pos, next];
            pos = next;
          } else {
            next = css.indexOf(')', pos + 1);
            content = css.slice(pos, next + 1);
            if (next === -1 || RE_BAD_BRACKET.test(content)) {
              currentToken = ['(', '(', pos];
            } else {
              currentToken = ['brackets', content, pos, next];
              pos = next;
            }
          }
          break;
        }
      case SINGLE_QUOTE:
      case DOUBLE_QUOTE:
        {
          quote = code === SINGLE_QUOTE ? "'" : '"';
          next = pos;
          do {
            escaped = false;
            next = css.indexOf(quote, next + 1);
            if (next === -1) {
              if (ignore || ignoreUnclosed) {
                next = pos + 1;
                break;
              } else {
                unclosed('string');
              }
            }
            escapePos = next;
            while (css.charCodeAt(escapePos - 1) === BACKSLASH) {
              escapePos -= 1;
              escaped = !escaped;
            }
          } while (escaped);
          currentToken = ['string', css.slice(pos, next + 1), pos, next];
          pos = next;
          break;
        }
      case AT:
        {
          RE_AT_END.lastIndex = pos + 1;
          RE_AT_END.test(css);
          if (RE_AT_END.lastIndex === 0) {
            next = css.length - 1;
          } else {
            next = RE_AT_END.lastIndex - 2;
          }
          currentToken = ['at-word', css.slice(pos, next + 1), pos, next];
          pos = next;
          break;
        }
      case BACKSLASH:
        {
          next = pos;
          escape = true;
          while (css.charCodeAt(next + 1) === BACKSLASH) {
            next += 1;
            escape = !escape;
          }
          code = css.charCodeAt(next + 1);
          if (escape && code !== SLASH && code !== SPACE && code !== NEWLINE && code !== TAB && code !== CR && code !== FEED) {
            next += 1;
            if (RE_HEX_ESCAPE.test(css.charAt(next))) {
              while (RE_HEX_ESCAPE.test(css.charAt(next + 1))) {
                next += 1;
              }
              if (css.charCodeAt(next + 1) === SPACE) {
                next += 1;
              }
            }
          }
          currentToken = ['word', css.slice(pos, next + 1), pos, next];
          pos = next;
          break;
        }
      default:
        {
          if (code === SLASH && css.charCodeAt(pos + 1) === ASTERISK) {
            next = css.indexOf('*/', pos + 2) + 1;
            if (next === 0) {
              if (ignore || ignoreUnclosed) {
                next = css.length;
              } else {
                unclosed('comment');
              }
            }
            currentToken = ['comment', css.slice(pos, next + 1), pos, next];
            pos = next;
          } else {
            RE_WORD_END.lastIndex = pos + 1;
            RE_WORD_END.test(css);
            if (RE_WORD_END.lastIndex === 0) {
              next = css.length - 1;
            } else {
              next = RE_WORD_END.lastIndex - 2;
            }
            currentToken = ['word', css.slice(pos, next + 1), pos, next];
            buffer.push(currentToken);
            pos = next;
          }
          break;
        }
    }
    pos++;
    return currentToken;
  }
  function back(token) {
    returned.push(token);
  }
  return {
    back: back,
    nextToken: nextToken,
    endOfFile: endOfFile,
    position: position
  };
};

/***/ }),

/***/ 6574:
/***/ ((module) => {


/* eslint-disable no-console */


var printed = {};
module.exports = function warnOnce(message) {
  if (printed[message]) return;
  printed[message] = true;
  if (typeof console !== 'undefined' && console.warn) {
    console.warn(message);
  }
};

/***/ }),

/***/ 1662:
/***/ ((module) => {




function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, _toPropertyKey(descriptor.key), descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }
function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return _typeof(key) === "symbol" ? key : String(key); }
function _toPrimitive(input, hint) { if (_typeof(input) !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (_typeof(res) !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); }
var Warning = /*#__PURE__*/function () {
  function Warning(text) {
    var opts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
    _classCallCheck(this, Warning);
    this.type = 'warning';
    this.text = text;
    if (opts.node && opts.node.source) {
      var range = opts.node.rangeBy(opts);
      this.line = range.start.line;
      this.column = range.start.column;
      this.endLine = range.end.line;
      this.endColumn = range.end.column;
    }
    for (var opt in opts) this[opt] = opts[opt];
  }
  _createClass(Warning, [{
    key: "toString",
    value: function toString() {
      if (this.node) {
        return this.node.error(this.text, {
          plugin: this.plugin,
          index: this.index,
          word: this.word
        }).message;
      }
      if (this.plugin) {
        return this.plugin + ': ' + this.text;
      }
      return this.text;
    }
  }]);
  return Warning;
}();
module.exports = Warning;
Warning["default"] = Warning;

/***/ }),

/***/ 6760:
/***/ (function(module, __unused_webpack_exports, __webpack_require__) {

/* module decorator */ module = __webpack_require__.nmd(module);
function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
/**
 * Copyright (c) 2014, Facebook, Inc.
 * All rights reserved.
 *
 * This source code is licensed under the BSD-style license found in the
 * https://raw.github.com/facebook/regenerator/master/LICENSE file. An
 * additional grant of patent rights can be found in the PATENTS file in
 * the same directory.
 */

!function (global) {
  "use strict";

  var Op = Object.prototype;
  var hasOwn = Op.hasOwnProperty;
  var undefined; // More compressible than void 0.
  var $Symbol = typeof Symbol === "function" ? Symbol : {};
  var iteratorSymbol = $Symbol.iterator || "@@iterator";
  var asyncIteratorSymbol = $Symbol.asyncIterator || "@@asyncIterator";
  var toStringTagSymbol = $Symbol.toStringTag || "@@toStringTag";
  var inModule = ( false ? 0 : _typeof(module)) === "object";
  var runtime = global.regeneratorRuntime;
  if (runtime) {
    if (inModule) {
      // If regeneratorRuntime is defined globally and we're in a module,
      // make the exports object identical to regeneratorRuntime.
      module.exports = runtime;
    }
    // Don't bother evaluating the rest of this file if the runtime was
    // already defined globally.
    return;
  }

  // Define the runtime globally (as expected by generated code) as either
  // module.exports (if we're in a module) or a new, empty object.
  runtime = global.regeneratorRuntime = inModule ? module.exports : {};
  function wrap(innerFn, outerFn, self, tryLocsList) {
    // If outerFn provided and outerFn.prototype is a Generator, then outerFn.prototype instanceof Generator.
    var protoGenerator = outerFn && outerFn.prototype instanceof Generator ? outerFn : Generator;
    var generator = Object.create(protoGenerator.prototype);
    var context = new Context(tryLocsList || []);

    // The ._invoke method unifies the implementations of the .next,
    // .throw, and .return methods.
    generator._invoke = makeInvokeMethod(innerFn, self, context);
    return generator;
  }
  runtime.wrap = wrap;

  // Try/catch helper to minimize deoptimizations. Returns a completion
  // record like context.tryEntries[i].completion. This interface could
  // have been (and was previously) designed to take a closure to be
  // invoked without arguments, but in all the cases we care about we
  // already have an existing method we want to call, so there's no need
  // to create a new function object. We can even get away with assuming
  // the method takes exactly one argument, since that happens to be true
  // in every case, so we don't have to touch the arguments object. The
  // only additional allocation required is the completion record, which
  // has a stable shape and so hopefully should be cheap to allocate.
  function tryCatch(fn, obj, arg) {
    try {
      return {
        type: "normal",
        arg: fn.call(obj, arg)
      };
    } catch (err) {
      return {
        type: "throw",
        arg: err
      };
    }
  }
  var GenStateSuspendedStart = "suspendedStart";
  var GenStateSuspendedYield = "suspendedYield";
  var GenStateExecuting = "executing";
  var GenStateCompleted = "completed";

  // Returning this object from the innerFn has the same effect as
  // breaking out of the dispatch switch statement.
  var ContinueSentinel = {};

  // Dummy constructor functions that we use as the .constructor and
  // .constructor.prototype properties for functions that return Generator
  // objects. For full spec compliance, you may wish to configure your
  // minifier not to mangle the names of these two functions.
  function Generator() {}
  function GeneratorFunction() {}
  function GeneratorFunctionPrototype() {}

  // This is a polyfill for %IteratorPrototype% for environments that
  // don't natively support it.
  var IteratorPrototype = {};
  IteratorPrototype[iteratorSymbol] = function () {
    return this;
  };
  var getProto = Object.getPrototypeOf;
  var NativeIteratorPrototype = getProto && getProto(getProto(values([])));
  if (NativeIteratorPrototype && NativeIteratorPrototype !== Op && hasOwn.call(NativeIteratorPrototype, iteratorSymbol)) {
    // This environment has a native %IteratorPrototype%; use it instead
    // of the polyfill.
    IteratorPrototype = NativeIteratorPrototype;
  }
  var Gp = GeneratorFunctionPrototype.prototype = Generator.prototype = Object.create(IteratorPrototype);
  GeneratorFunction.prototype = Gp.constructor = GeneratorFunctionPrototype;
  GeneratorFunctionPrototype.constructor = GeneratorFunction;
  GeneratorFunctionPrototype[toStringTagSymbol] = GeneratorFunction.displayName = "GeneratorFunction";

  // Helper for defining the .next, .throw, and .return methods of the
  // Iterator interface in terms of a single ._invoke method.
  function defineIteratorMethods(prototype) {
    ["next", "throw", "return"].forEach(function (method) {
      prototype[method] = function (arg) {
        return this._invoke(method, arg);
      };
    });
  }
  runtime.isGeneratorFunction = function (genFun) {
    var ctor = typeof genFun === "function" && genFun.constructor;
    return ctor ? ctor === GeneratorFunction ||
    // For the native GeneratorFunction constructor, the best we can
    // do is to check its .name property.
    (ctor.displayName || ctor.name) === "GeneratorFunction" : false;
  };
  runtime.mark = function (genFun) {
    if (Object.setPrototypeOf) {
      Object.setPrototypeOf(genFun, GeneratorFunctionPrototype);
    } else {
      genFun.__proto__ = GeneratorFunctionPrototype;
      if (!(toStringTagSymbol in genFun)) {
        genFun[toStringTagSymbol] = "GeneratorFunction";
      }
    }
    genFun.prototype = Object.create(Gp);
    return genFun;
  };

  // Within the body of any async function, `await x` is transformed to
  // `yield regeneratorRuntime.awrap(x)`, so that the runtime can test
  // `hasOwn.call(value, "__await")` to determine if the yielded value is
  // meant to be awaited.
  runtime.awrap = function (arg) {
    return {
      __await: arg
    };
  };
  function AsyncIterator(generator) {
    function invoke(method, arg, resolve, reject) {
      var record = tryCatch(generator[method], generator, arg);
      if (record.type === "throw") {
        reject(record.arg);
      } else {
        var result = record.arg;
        var value = result.value;
        if (value && _typeof(value) === "object" && hasOwn.call(value, "__await")) {
          return Promise.resolve(value.__await).then(function (value) {
            invoke("next", value, resolve, reject);
          }, function (err) {
            invoke("throw", err, resolve, reject);
          });
        }
        return Promise.resolve(value).then(function (unwrapped) {
          // When a yielded Promise is resolved, its final value becomes
          // the .value of the Promise<{value,done}> result for the
          // current iteration. If the Promise is rejected, however, the
          // result for this iteration will be rejected with the same
          // reason. Note that rejections of yielded Promises are not
          // thrown back into the generator function, as is the case
          // when an awaited Promise is rejected. This difference in
          // behavior between yield and await is important, because it
          // allows the consumer to decide what to do with the yielded
          // rejection (swallow it and continue, manually .throw it back
          // into the generator, abandon iteration, whatever). With
          // await, by contrast, there is no opportunity to examine the
          // rejection reason outside the generator function, so the
          // only option is to throw it from the await expression, and
          // let the generator function handle the exception.
          result.value = unwrapped;
          resolve(result);
        }, reject);
      }
    }
    if (_typeof(global.process) === "object" && global.process.domain) {
      invoke = global.process.domain.bind(invoke);
    }
    var previousPromise;
    function enqueue(method, arg) {
      function callInvokeWithMethodAndArg() {
        return new Promise(function (resolve, reject) {
          invoke(method, arg, resolve, reject);
        });
      }
      return previousPromise =
      // If enqueue has been called before, then we want to wait until
      // all previous Promises have been resolved before calling invoke,
      // so that results are always delivered in the correct order. If
      // enqueue has not been called before, then it is important to
      // call invoke immediately, without waiting on a callback to fire,
      // so that the async generator function has the opportunity to do
      // any necessary setup in a predictable way. This predictability
      // is why the Promise constructor synchronously invokes its
      // executor callback, and why async functions synchronously
      // execute code before the first await. Since we implement simple
      // async functions in terms of async generators, it is especially
      // important to get this right, even though it requires care.
      previousPromise ? previousPromise.then(callInvokeWithMethodAndArg,
      // Avoid propagating failures to Promises returned by later
      // invocations of the iterator.
      callInvokeWithMethodAndArg) : callInvokeWithMethodAndArg();
    }

    // Define the unified helper method that is used to implement .next,
    // .throw, and .return (see defineIteratorMethods).
    this._invoke = enqueue;
  }
  defineIteratorMethods(AsyncIterator.prototype);
  AsyncIterator.prototype[asyncIteratorSymbol] = function () {
    return this;
  };
  runtime.AsyncIterator = AsyncIterator;

  // Note that simple async functions are implemented on top of
  // AsyncIterator objects; they just return a Promise for the value of
  // the final result produced by the iterator.
  runtime.async = function (innerFn, outerFn, self, tryLocsList) {
    var iter = new AsyncIterator(wrap(innerFn, outerFn, self, tryLocsList));
    return runtime.isGeneratorFunction(outerFn) ? iter // If outerFn is a generator, return the full iterator.
    : iter.next().then(function (result) {
      return result.done ? result.value : iter.next();
    });
  };
  function makeInvokeMethod(innerFn, self, context) {
    var state = GenStateSuspendedStart;
    return function invoke(method, arg) {
      if (state === GenStateExecuting) {
        throw new Error("Generator is already running");
      }
      if (state === GenStateCompleted) {
        if (method === "throw") {
          throw arg;
        }

        // Be forgiving, per 25.3.3.3.3 of the spec:
        // https://people.mozilla.org/~jorendorff/es6-draft.html#sec-generatorresume
        return doneResult();
      }
      context.method = method;
      context.arg = arg;
      while (true) {
        var delegate = context.delegate;
        if (delegate) {
          var delegateResult = maybeInvokeDelegate(delegate, context);
          if (delegateResult) {
            if (delegateResult === ContinueSentinel) continue;
            return delegateResult;
          }
        }
        if (context.method === "next") {
          // Setting context._sent for legacy support of Babel's
          // function.sent implementation.
          context.sent = context._sent = context.arg;
        } else if (context.method === "throw") {
          if (state === GenStateSuspendedStart) {
            state = GenStateCompleted;
            throw context.arg;
          }
          context.dispatchException(context.arg);
        } else if (context.method === "return") {
          context.abrupt("return", context.arg);
        }
        state = GenStateExecuting;
        var record = tryCatch(innerFn, self, context);
        if (record.type === "normal") {
          // If an exception is thrown from innerFn, we leave state ===
          // GenStateExecuting and loop back for another invocation.
          state = context.done ? GenStateCompleted : GenStateSuspendedYield;
          if (record.arg === ContinueSentinel) {
            continue;
          }
          return {
            value: record.arg,
            done: context.done
          };
        } else if (record.type === "throw") {
          state = GenStateCompleted;
          // Dispatch the exception by looping back around to the
          // context.dispatchException(context.arg) call above.
          context.method = "throw";
          context.arg = record.arg;
        }
      }
    };
  }

  // Call delegate.iterator[context.method](context.arg) and handle the
  // result, either by returning a { value, done } result from the
  // delegate iterator, or by modifying context.method and context.arg,
  // setting context.delegate to null, and returning the ContinueSentinel.
  function maybeInvokeDelegate(delegate, context) {
    var method = delegate.iterator[context.method];
    if (method === undefined) {
      // A .throw or .return when the delegate iterator has no .throw
      // method always terminates the yield* loop.
      context.delegate = null;
      if (context.method === "throw") {
        if (delegate.iterator["return"]) {
          // If the delegate iterator has a return method, give it a
          // chance to clean up.
          context.method = "return";
          context.arg = undefined;
          maybeInvokeDelegate(delegate, context);
          if (context.method === "throw") {
            // If maybeInvokeDelegate(context) changed context.method from
            // "return" to "throw", let that override the TypeError below.
            return ContinueSentinel;
          }
        }
        context.method = "throw";
        context.arg = new TypeError("The iterator does not provide a 'throw' method");
      }
      return ContinueSentinel;
    }
    var record = tryCatch(method, delegate.iterator, context.arg);
    if (record.type === "throw") {
      context.method = "throw";
      context.arg = record.arg;
      context.delegate = null;
      return ContinueSentinel;
    }
    var info = record.arg;
    if (!info) {
      context.method = "throw";
      context.arg = new TypeError("iterator result is not an object");
      context.delegate = null;
      return ContinueSentinel;
    }
    if (info.done) {
      // Assign the result of the finished delegate to the temporary
      // variable specified by delegate.resultName (see delegateYield).
      context[delegate.resultName] = info.value;

      // Resume execution at the desired location (see delegateYield).
      context.next = delegate.nextLoc;

      // If context.method was "throw" but the delegate handled the
      // exception, let the outer generator proceed normally. If
      // context.method was "next", forget context.arg since it has been
      // "consumed" by the delegate iterator. If context.method was
      // "return", allow the original .return call to continue in the
      // outer generator.
      if (context.method !== "return") {
        context.method = "next";
        context.arg = undefined;
      }
    } else {
      // Re-yield the result returned by the delegate method.
      return info;
    }

    // The delegate iterator is finished, so forget it and continue with
    // the outer generator.
    context.delegate = null;
    return ContinueSentinel;
  }

  // Define Generator.prototype.{next,throw,return} in terms of the
  // unified ._invoke helper method.
  defineIteratorMethods(Gp);
  Gp[toStringTagSymbol] = "Generator";

  // A Generator should always return itself as the iterator object when the
  // @@iterator function is called on it. Some browsers' implementations of the
  // iterator prototype chain incorrectly implement this, causing the Generator
  // object to not be returned from this call. This ensures that doesn't happen.
  // See https://github.com/facebook/regenerator/issues/274 for more details.
  Gp[iteratorSymbol] = function () {
    return this;
  };
  Gp.toString = function () {
    return "[object Generator]";
  };
  function pushTryEntry(locs) {
    var entry = {
      tryLoc: locs[0]
    };
    if (1 in locs) {
      entry.catchLoc = locs[1];
    }
    if (2 in locs) {
      entry.finallyLoc = locs[2];
      entry.afterLoc = locs[3];
    }
    this.tryEntries.push(entry);
  }
  function resetTryEntry(entry) {
    var record = entry.completion || {};
    record.type = "normal";
    delete record.arg;
    entry.completion = record;
  }
  function Context(tryLocsList) {
    // The root entry object (effectively a try statement without a catch
    // or a finally block) gives us a place to store values thrown from
    // locations where there is no enclosing try statement.
    this.tryEntries = [{
      tryLoc: "root"
    }];
    tryLocsList.forEach(pushTryEntry, this);
    this.reset(true);
  }
  runtime.keys = function (object) {
    var keys = [];
    for (var key in object) {
      keys.push(key);
    }
    keys.reverse();

    // Rather than returning an object with a next method, we keep
    // things simple and return the next function itself.
    return function next() {
      while (keys.length) {
        var key = keys.pop();
        if (key in object) {
          next.value = key;
          next.done = false;
          return next;
        }
      }

      // To avoid creating an additional object, we just hang the .value
      // and .done properties off the next function object itself. This
      // also ensures that the minifier will not anonymize the function.
      next.done = true;
      return next;
    };
  };
  function values(iterable) {
    if (iterable) {
      var iteratorMethod = iterable[iteratorSymbol];
      if (iteratorMethod) {
        return iteratorMethod.call(iterable);
      }
      if (typeof iterable.next === "function") {
        return iterable;
      }
      if (!isNaN(iterable.length)) {
        var i = -1,
          next = function next() {
            while (++i < iterable.length) {
              if (hasOwn.call(iterable, i)) {
                next.value = iterable[i];
                next.done = false;
                return next;
              }
            }
            next.value = undefined;
            next.done = true;
            return next;
          };
        return next.next = next;
      }
    }

    // Return an iterator with no values.
    return {
      next: doneResult
    };
  }
  runtime.values = values;
  function doneResult() {
    return {
      value: undefined,
      done: true
    };
  }
  Context.prototype = {
    constructor: Context,
    reset: function reset(skipTempReset) {
      this.prev = 0;
      this.next = 0;
      // Resetting context._sent for legacy support of Babel's
      // function.sent implementation.
      this.sent = this._sent = undefined;
      this.done = false;
      this.delegate = null;
      this.method = "next";
      this.arg = undefined;
      this.tryEntries.forEach(resetTryEntry);
      if (!skipTempReset) {
        for (var name in this) {
          // Not sure about the optimal order of these conditions:
          if (name.charAt(0) === "t" && hasOwn.call(this, name) && !isNaN(+name.slice(1))) {
            this[name] = undefined;
          }
        }
      }
    },
    stop: function stop() {
      this.done = true;
      var rootEntry = this.tryEntries[0];
      var rootRecord = rootEntry.completion;
      if (rootRecord.type === "throw") {
        throw rootRecord.arg;
      }
      return this.rval;
    },
    dispatchException: function dispatchException(exception) {
      if (this.done) {
        throw exception;
      }
      var context = this;
      function handle(loc, caught) {
        record.type = "throw";
        record.arg = exception;
        context.next = loc;
        if (caught) {
          // If the dispatched exception was caught by a catch block,
          // then let that catch block handle the exception normally.
          context.method = "next";
          context.arg = undefined;
        }
        return !!caught;
      }
      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
        var entry = this.tryEntries[i];
        var record = entry.completion;
        if (entry.tryLoc === "root") {
          // Exception thrown outside of any try block that could handle
          // it, so set the completion value of the entire function to
          // throw the exception.
          return handle("end");
        }
        if (entry.tryLoc <= this.prev) {
          var hasCatch = hasOwn.call(entry, "catchLoc");
          var hasFinally = hasOwn.call(entry, "finallyLoc");
          if (hasCatch && hasFinally) {
            if (this.prev < entry.catchLoc) {
              return handle(entry.catchLoc, true);
            } else if (this.prev < entry.finallyLoc) {
              return handle(entry.finallyLoc);
            }
          } else if (hasCatch) {
            if (this.prev < entry.catchLoc) {
              return handle(entry.catchLoc, true);
            }
          } else if (hasFinally) {
            if (this.prev < entry.finallyLoc) {
              return handle(entry.finallyLoc);
            }
          } else {
            throw new Error("try statement without catch or finally");
          }
        }
      }
    },
    abrupt: function abrupt(type, arg) {
      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
        var entry = this.tryEntries[i];
        if (entry.tryLoc <= this.prev && hasOwn.call(entry, "finallyLoc") && this.prev < entry.finallyLoc) {
          var finallyEntry = entry;
          break;
        }
      }
      if (finallyEntry && (type === "break" || type === "continue") && finallyEntry.tryLoc <= arg && arg <= finallyEntry.finallyLoc) {
        // Ignore the finally entry if control is not jumping to a
        // location outside the try/catch block.
        finallyEntry = null;
      }
      var record = finallyEntry ? finallyEntry.completion : {};
      record.type = type;
      record.arg = arg;
      if (finallyEntry) {
        this.method = "next";
        this.next = finallyEntry.finallyLoc;
        return ContinueSentinel;
      }
      return this.complete(record);
    },
    complete: function complete(record, afterLoc) {
      if (record.type === "throw") {
        throw record.arg;
      }
      if (record.type === "break" || record.type === "continue") {
        this.next = record.arg;
      } else if (record.type === "return") {
        this.rval = this.arg = record.arg;
        this.method = "return";
        this.next = "end";
      } else if (record.type === "normal" && afterLoc) {
        this.next = afterLoc;
      }
      return ContinueSentinel;
    },
    finish: function finish(finallyLoc) {
      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
        var entry = this.tryEntries[i];
        if (entry.finallyLoc === finallyLoc) {
          this.complete(entry.completion, entry.afterLoc);
          resetTryEntry(entry);
          return ContinueSentinel;
        }
      }
    },
    "catch": function _catch(tryLoc) {
      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
        var entry = this.tryEntries[i];
        if (entry.tryLoc === tryLoc) {
          var record = entry.completion;
          if (record.type === "throw") {
            var thrown = record.arg;
            resetTryEntry(entry);
          }
          return thrown;
        }
      }

      // The context.catch method must only be called with a location
      // argument that corresponds to a known catch block.
      throw new Error("illegal catch attempt");
    },
    delegateYield: function delegateYield(iterable, resultName, nextLoc) {
      this.delegate = {
        iterator: values(iterable),
        resultName: resultName,
        nextLoc: nextLoc
      };
      if (this.method === "next") {
        // Deliberately forget the last sent value so that we don't
        // accidentally pass it on to the delegate.
        this.arg = undefined;
      }
      return ContinueSentinel;
    }
  };
}(
// Among the various tricks for obtaining a reference to the global
// object, this seems to be the most reliable technique that does not
// use indirect eval (which violates Content Security Policy).
(typeof __webpack_require__.g === "undefined" ? "undefined" : _typeof(__webpack_require__.g)) === "object" ? __webpack_require__.g : (typeof window === "undefined" ? "undefined" : _typeof(window)) === "object" ? window : (typeof self === "undefined" ? "undefined" : _typeof(self)) === "object" ? self : this);

/***/ }),

/***/ 6482:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

function _createForOfIteratorHelper(o, allowArrayLike) { var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"]; if (!it) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = it.call(o); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; }
var htmlparser = __webpack_require__(6124);
var escapeStringRegexp = __webpack_require__(432);
var _require = __webpack_require__(4281),
  isPlainObject = _require.isPlainObject;
var deepmerge = __webpack_require__(4036);
var parseSrcset = __webpack_require__(2134);
var _require2 = __webpack_require__(7866),
  postcssParse = _require2.parse;
// Tags that can conceivably represent stand-alone media.
var mediaTags = ['img', 'audio', 'video', 'picture', 'svg', 'object', 'map', 'iframe', 'embed'];
// Tags that are inherently vulnerable to being used in XSS attacks.
var vulnerableTags = ['script', 'style'];
function each(obj, cb) {
  if (obj) {
    Object.keys(obj).forEach(function (key) {
      cb(obj[key], key);
    });
  }
}

// Avoid false positives with .__proto__, .hasOwnProperty, etc.
function has(obj, key) {
  return {}.hasOwnProperty.call(obj, key);
}

// Returns those elements of `a` for which `cb(a)` returns truthy
function filter(a, cb) {
  var n = [];
  each(a, function (v) {
    if (cb(v)) {
      n.push(v);
    }
  });
  return n;
}
function isEmptyObject(obj) {
  for (var key in obj) {
    if (has(obj, key)) {
      return false;
    }
  }
  return true;
}
function stringifySrcset(parsedSrcset) {
  return parsedSrcset.map(function (part) {
    if (!part.url) {
      throw new Error('URL missing');
    }
    return part.url + (part.w ? " ".concat(part.w, "w") : '') + (part.h ? " ".concat(part.h, "h") : '') + (part.d ? " ".concat(part.d, "x") : '');
  }).join(', ');
}
module.exports = sanitizeHtml;

// A valid attribute name.
// We use a tolerant definition based on the set of strings defined by
// html.spec.whatwg.org/multipage/parsing.html#before-attribute-name-state
// and html.spec.whatwg.org/multipage/parsing.html#attribute-name-state .
// The characters accepted are ones which can be appended to the attribute
// name buffer without triggering a parse error:
//   * unexpected-equals-sign-before-attribute-name
//   * unexpected-null-character
//   * unexpected-character-in-attribute-name
// We exclude the empty string because it's impossible to get to the after
// attribute name state with an empty attribute name buffer.
var VALID_HTML_ATTRIBUTE_NAME = /^[^\0\t\n\f\r /<=>]+$/;

// Ignore the _recursing flag; it's there for recursive
// invocation as a guard against this exploit:
// https://github.com/fb55/htmlparser2/issues/105

function sanitizeHtml(html, options, _recursing) {
  if (html == null) {
    return '';
  }
  var result = '';
  // Used for hot swapping the result variable with an empty string in order to "capture" the text written to it.
  var tempResult = '';
  function Frame(tag, attribs) {
    var that = this;
    this.tag = tag;
    this.attribs = attribs || {};
    this.tagPosition = result.length;
    this.text = ''; // Node inner text
    this.mediaChildren = [];
    this.updateParentNodeText = function () {
      if (stack.length) {
        var parentFrame = stack[stack.length - 1];
        parentFrame.text += that.text;
      }
    };
    this.updateParentNodeMediaChildren = function () {
      if (stack.length && mediaTags.includes(this.tag)) {
        var parentFrame = stack[stack.length - 1];
        parentFrame.mediaChildren.push(this.tag);
      }
    };
  }
  options = Object.assign({}, sanitizeHtml.defaults, options);
  options.parser = Object.assign({}, htmlParserDefaults, options.parser);

  // vulnerableTags
  vulnerableTags.forEach(function (tag) {
    if (options.allowedTags !== false && (options.allowedTags || []).indexOf(tag) > -1 && !options.allowVulnerableTags) {
      console.warn("\n\n\u26A0\uFE0F Your `allowedTags` option includes, `".concat(tag, "`, which is inherently\nvulnerable to XSS attacks. Please remove it from `allowedTags`.\nOr, to disable this warning, add the `allowVulnerableTags` option\nand ensure you are accounting for this risk.\n\n"));
    }
  });

  // Tags that contain something other than HTML, or where discarding
  // the text when the tag is disallowed makes sense for other reasons.
  // If we are not allowing these tags, we should drop their content too.
  // For other tags you would drop the tag but keep its content.
  var nonTextTagsArray = options.nonTextTags || ['script', 'style', 'textarea', 'option'];
  var allowedAttributesMap;
  var allowedAttributesGlobMap;
  if (options.allowedAttributes) {
    allowedAttributesMap = {};
    allowedAttributesGlobMap = {};
    each(options.allowedAttributes, function (attributes, tag) {
      allowedAttributesMap[tag] = [];
      var globRegex = [];
      attributes.forEach(function (obj) {
        if (typeof obj === 'string' && obj.indexOf('*') >= 0) {
          globRegex.push(escapeStringRegexp(obj).replace(/\\\*/g, '.*'));
        } else {
          allowedAttributesMap[tag].push(obj);
        }
      });
      if (globRegex.length) {
        allowedAttributesGlobMap[tag] = new RegExp('^(' + globRegex.join('|') + ')$');
      }
    });
  }
  var allowedClassesMap = {};
  var allowedClassesGlobMap = {};
  var allowedClassesRegexMap = {};
  each(options.allowedClasses, function (classes, tag) {
    // Implicitly allows the class attribute
    if (allowedAttributesMap) {
      if (!has(allowedAttributesMap, tag)) {
        allowedAttributesMap[tag] = [];
      }
      allowedAttributesMap[tag].push('class');
    }
    allowedClassesMap[tag] = [];
    allowedClassesRegexMap[tag] = [];
    var globRegex = [];
    classes.forEach(function (obj) {
      if (typeof obj === 'string' && obj.indexOf('*') >= 0) {
        globRegex.push(escapeStringRegexp(obj).replace(/\\\*/g, '.*'));
      } else if (obj instanceof RegExp) {
        allowedClassesRegexMap[tag].push(obj);
      } else {
        allowedClassesMap[tag].push(obj);
      }
    });
    if (globRegex.length) {
      allowedClassesGlobMap[tag] = new RegExp('^(' + globRegex.join('|') + ')$');
    }
  });
  var transformTagsMap = {};
  var transformTagsAll;
  each(options.transformTags, function (transform, tag) {
    var transFun;
    if (typeof transform === 'function') {
      transFun = transform;
    } else if (typeof transform === 'string') {
      transFun = sanitizeHtml.simpleTransform(transform);
    }
    if (tag === '*') {
      transformTagsAll = transFun;
    } else {
      transformTagsMap[tag] = transFun;
    }
  });
  var depth;
  var stack;
  var skipMap;
  var transformMap;
  var skipText;
  var skipTextDepth;
  var addedText = false;
  initializeState();
  var parser = new htmlparser.Parser({
    onopentag: function onopentag(name, attribs) {
      // If `enforceHtmlBoundary` is `true` and this has found the opening
      // `html` tag, reset the state.
      if (options.enforceHtmlBoundary && name === 'html') {
        initializeState();
      }
      if (skipText) {
        skipTextDepth++;
        return;
      }
      var frame = new Frame(name, attribs);
      stack.push(frame);
      var skip = false;
      var hasText = !!frame.text;
      var transformedTag;
      if (has(transformTagsMap, name)) {
        transformedTag = transformTagsMap[name](name, attribs);
        frame.attribs = attribs = transformedTag.attribs;
        if (transformedTag.text !== undefined) {
          frame.innerText = transformedTag.text;
        }
        if (name !== transformedTag.tagName) {
          frame.name = name = transformedTag.tagName;
          transformMap[depth] = transformedTag.tagName;
        }
      }
      if (transformTagsAll) {
        transformedTag = transformTagsAll(name, attribs);
        frame.attribs = attribs = transformedTag.attribs;
        if (name !== transformedTag.tagName) {
          frame.name = name = transformedTag.tagName;
          transformMap[depth] = transformedTag.tagName;
        }
      }
      if (options.allowedTags !== false && (options.allowedTags || []).indexOf(name) === -1 || options.disallowedTagsMode === 'recursiveEscape' && !isEmptyObject(skipMap) || options.nestingLimit != null && depth >= options.nestingLimit) {
        skip = true;
        skipMap[depth] = true;
        if (options.disallowedTagsMode === 'discard') {
          if (nonTextTagsArray.indexOf(name) !== -1) {
            skipText = true;
            skipTextDepth = 1;
          }
        }
        skipMap[depth] = true;
      }
      depth++;
      if (skip) {
        if (options.disallowedTagsMode === 'discard') {
          // We want the contents but not this tag
          return;
        }
        tempResult = result;
        result = '';
      }
      result += '<' + name;
      if (name === 'script') {
        if (options.allowedScriptHostnames || options.allowedScriptDomains) {
          frame.innerText = '';
        }
      }
      if (!allowedAttributesMap || has(allowedAttributesMap, name) || allowedAttributesMap['*']) {
        each(attribs, function (value, a) {
          if (!VALID_HTML_ATTRIBUTE_NAME.test(a)) {
            // This prevents part of an attribute name in the output from being
            // interpreted as the end of an attribute, or end of a tag.
            delete frame.attribs[a];
            return;
          }
          // check allowedAttributesMap for the element and attribute and modify the value
          // as necessary if there are specific values defined.
          var passedAllowedAttributesMapCheck = false;
          if (!allowedAttributesMap || has(allowedAttributesMap, name) && allowedAttributesMap[name].indexOf(a) !== -1 || allowedAttributesMap['*'] && allowedAttributesMap['*'].indexOf(a) !== -1 || has(allowedAttributesGlobMap, name) && allowedAttributesGlobMap[name].test(a) || allowedAttributesGlobMap['*'] && allowedAttributesGlobMap['*'].test(a)) {
            passedAllowedAttributesMapCheck = true;
          } else if (allowedAttributesMap && allowedAttributesMap[name]) {
            var _iterator = _createForOfIteratorHelper(allowedAttributesMap[name]),
              _step;
            try {
              for (_iterator.s(); !(_step = _iterator.n()).done;) {
                var o = _step.value;
                if (isPlainObject(o) && o.name && o.name === a) {
                  passedAllowedAttributesMapCheck = true;
                  var newValue = '';
                  if (o.multiple === true) {
                    // verify the values that are allowed
                    var splitStrArray = value.split(' ');
                    var _iterator2 = _createForOfIteratorHelper(splitStrArray),
                      _step2;
                    try {
                      for (_iterator2.s(); !(_step2 = _iterator2.n()).done;) {
                        var s = _step2.value;
                        if (o.values.indexOf(s) !== -1) {
                          if (newValue === '') {
                            newValue = s;
                          } else {
                            newValue += ' ' + s;
                          }
                        }
                      }
                    } catch (err) {
                      _iterator2.e(err);
                    } finally {
                      _iterator2.f();
                    }
                  } else if (o.values.indexOf(value) >= 0) {
                    // verified an allowed value matches the entire attribute value
                    newValue = value;
                  }
                  value = newValue;
                }
              }
            } catch (err) {
              _iterator.e(err);
            } finally {
              _iterator.f();
            }
          }
          if (passedAllowedAttributesMapCheck) {
            if (options.allowedSchemesAppliedToAttributes.indexOf(a) !== -1) {
              if (naughtyHref(name, value)) {
                delete frame.attribs[a];
                return;
              }
            }
            if (name === 'script' && a === 'src') {
              var allowed = true;
              try {
                var parsed = parseUrl(value);
                if (options.allowedScriptHostnames || options.allowedScriptDomains) {
                  var allowedHostname = (options.allowedScriptHostnames || []).find(function (hostname) {
                    return hostname === parsed.url.hostname;
                  });
                  var allowedDomain = (options.allowedScriptDomains || []).find(function (domain) {
                    return parsed.url.hostname === domain || parsed.url.hostname.endsWith(".".concat(domain));
                  });
                  allowed = allowedHostname || allowedDomain;
                }
              } catch (e) {
                allowed = false;
              }
              if (!allowed) {
                delete frame.attribs[a];
                return;
              }
            }
            if (name === 'iframe' && a === 'src') {
              var _allowed = true;
              try {
                var _parsed = parseUrl(value);
                if (_parsed.isRelativeUrl) {
                  // default value of allowIframeRelativeUrls is true
                  // unless allowedIframeHostnames or allowedIframeDomains specified
                  _allowed = has(options, 'allowIframeRelativeUrls') ? options.allowIframeRelativeUrls : !options.allowedIframeHostnames && !options.allowedIframeDomains;
                } else if (options.allowedIframeHostnames || options.allowedIframeDomains) {
                  var _allowedHostname = (options.allowedIframeHostnames || []).find(function (hostname) {
                    return hostname === _parsed.url.hostname;
                  });
                  var _allowedDomain = (options.allowedIframeDomains || []).find(function (domain) {
                    return _parsed.url.hostname === domain || _parsed.url.hostname.endsWith(".".concat(domain));
                  });
                  _allowed = _allowedHostname || _allowedDomain;
                }
              } catch (e) {
                // Unparseable iframe src
                _allowed = false;
              }
              if (!_allowed) {
                delete frame.attribs[a];
                return;
              }
            }
            if (a === 'srcset') {
              try {
                var _parsed2 = parseSrcset(value);
                _parsed2.forEach(function (value) {
                  if (naughtyHref('srcset', value.url)) {
                    value.evil = true;
                  }
                });
                _parsed2 = filter(_parsed2, function (v) {
                  return !v.evil;
                });
                if (!_parsed2.length) {
                  delete frame.attribs[a];
                  return;
                } else {
                  value = stringifySrcset(filter(_parsed2, function (v) {
                    return !v.evil;
                  }));
                  frame.attribs[a] = value;
                }
              } catch (e) {
                // Unparseable srcset
                delete frame.attribs[a];
                return;
              }
            }
            if (a === 'class') {
              var allowedSpecificClasses = allowedClassesMap[name];
              var allowedWildcardClasses = allowedClassesMap['*'];
              var allowedSpecificClassesGlob = allowedClassesGlobMap[name];
              var allowedSpecificClassesRegex = allowedClassesRegexMap[name];
              var allowedWildcardClassesGlob = allowedClassesGlobMap['*'];
              var allowedClassesGlobs = [allowedSpecificClassesGlob, allowedWildcardClassesGlob].concat(allowedSpecificClassesRegex).filter(function (t) {
                return t;
              });
              if (allowedSpecificClasses && allowedWildcardClasses) {
                value = filterClasses(value, deepmerge(allowedSpecificClasses, allowedWildcardClasses), allowedClassesGlobs);
              } else {
                value = filterClasses(value, allowedSpecificClasses || allowedWildcardClasses, allowedClassesGlobs);
              }
              if (!value.length) {
                delete frame.attribs[a];
                return;
              }
            }
            if (a === 'style') {
              try {
                var abstractSyntaxTree = postcssParse(name + ' {' + value + '}');
                var filteredAST = filterCss(abstractSyntaxTree, options.allowedStyles);
                value = stringifyStyleAttributes(filteredAST);
                if (value.length === 0) {
                  delete frame.attribs[a];
                  return;
                }
              } catch (e) {
                delete frame.attribs[a];
                return;
              }
            }
            result += ' ' + a;
            if (value && value.length) {
              result += '="' + escapeHtml(value, true) + '"';
            }
          } else {
            delete frame.attribs[a];
          }
        });
      }
      if (options.selfClosing.indexOf(name) !== -1) {
        result += ' />';
      } else {
        result += '>';
        if (frame.innerText && !hasText && !options.textFilter) {
          result += escapeHtml(frame.innerText);
          addedText = true;
        }
      }
      if (skip) {
        result = tempResult + escapeHtml(result);
        tempResult = '';
      }
    },
    ontext: function ontext(text) {
      if (skipText) {
        return;
      }
      var lastFrame = stack[stack.length - 1];
      var tag;
      if (lastFrame) {
        tag = lastFrame.tag;
        // If inner text was set by transform function then let's use it
        text = lastFrame.innerText !== undefined ? lastFrame.innerText : text;
      }
      if (options.disallowedTagsMode === 'discard' && (tag === 'script' || tag === 'style')) {
        // htmlparser2 gives us these as-is. Escaping them ruins the content. Allowing
        // script tags is, by definition, game over for XSS protection, so if that's
        // your concern, don't allow them. The same is essentially true for style tags
        // which have their own collection of XSS vectors.
        result += text;
      } else {
        var escaped = escapeHtml(text, false);
        if (options.textFilter && !addedText) {
          result += options.textFilter(escaped, tag);
        } else if (!addedText) {
          result += escaped;
        }
      }
      if (stack.length) {
        var frame = stack[stack.length - 1];
        frame.text += text;
      }
    },
    onclosetag: function onclosetag(name) {
      if (skipText) {
        skipTextDepth--;
        if (!skipTextDepth) {
          skipText = false;
        } else {
          return;
        }
      }
      var frame = stack.pop();
      if (!frame) {
        // Do not crash on bad markup
        return;
      }
      if (frame.tag !== name) {
        // Another case of bad markup.
        // Push to stack, so that it will be used in future closing tags.
        stack.push(frame);
        return;
      }
      skipText = options.enforceHtmlBoundary ? name === 'html' : false;
      depth--;
      var skip = skipMap[depth];
      if (skip) {
        delete skipMap[depth];
        if (options.disallowedTagsMode === 'discard') {
          frame.updateParentNodeText();
          return;
        }
        tempResult = result;
        result = '';
      }
      if (transformMap[depth]) {
        name = transformMap[depth];
        delete transformMap[depth];
      }
      if (options.exclusiveFilter && options.exclusiveFilter(frame)) {
        result = result.substr(0, frame.tagPosition);
        return;
      }
      frame.updateParentNodeMediaChildren();
      frame.updateParentNodeText();
      if (options.selfClosing.indexOf(name) !== -1) {
        // Already output />
        if (skip) {
          result = tempResult;
          tempResult = '';
        }
        return;
      }
      result += '</' + name + '>';
      if (skip) {
        result = tempResult + escapeHtml(result);
        tempResult = '';
      }
      addedText = false;
    }
  }, options.parser);
  parser.write(html);
  parser.end();
  return result;
  function initializeState() {
    result = '';
    depth = 0;
    stack = [];
    skipMap = {};
    transformMap = {};
    skipText = false;
    skipTextDepth = 0;
  }
  function escapeHtml(s, quote) {
    if (typeof s !== 'string') {
      s = s + '';
    }
    if (options.parser.decodeEntities) {
      s = s.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;');
      if (quote) {
        s = s.replace(/"/g, '&quot;');
      }
    }
    // TODO: this is inadequate because it will pass `&0;`. This approach
    // will not work, each & must be considered with regard to whether it
    // is followed by a 100% syntactically valid entity or not, and escaped
    // if it is not. If this bothers you, don't set parser.decodeEntities
    // to false. (The default is true.)
    s = s.replace(/&(?![a-zA-Z0-9#]{1,20};)/g, '&amp;') // Match ampersands not part of existing HTML entity
    .replace(/</g, '&lt;').replace(/>/g, '&gt;');
    if (quote) {
      s = s.replace(/"/g, '&quot;');
    }
    return s;
  }
  function naughtyHref(name, href) {
    // Browsers ignore character codes of 32 (space) and below in a surprising
    // number of situations. Start reading here:
    // https://www.owasp.org/index.php/XSS_Filter_Evasion_Cheat_Sheet#Embedded_tab
    // eslint-disable-next-line no-control-regex
    href = href.replace(/[\x00-\x20]+/g, '');
    // Clobber any comments in URLs, which the browser might
    // interpret inside an XML data island, allowing
    // a javascript: URL to be snuck through
    while (true) {
      var firstIndex = href.indexOf('<!--');
      if (firstIndex === -1) {
        break;
      }
      var lastIndex = href.indexOf('-->', firstIndex + 4);
      if (lastIndex === -1) {
        break;
      }
      href = href.substring(0, firstIndex) + href.substring(lastIndex + 3);
    }
    // Case insensitive so we don't get faked out by JAVASCRIPT #1
    // Allow more characters after the first so we don't get faked
    // out by certain schemes browsers accept
    var matches = href.match(/^([a-zA-Z][a-zA-Z0-9.\-+]*):/);
    if (!matches) {
      // Protocol-relative URL starting with any combination of '/' and '\'
      if (href.match(/^[/\\]{2}/)) {
        return !options.allowProtocolRelative;
      }

      // No scheme
      return false;
    }
    var scheme = matches[1].toLowerCase();
    if (has(options.allowedSchemesByTag, name)) {
      return options.allowedSchemesByTag[name].indexOf(scheme) === -1;
    }
    return !options.allowedSchemes || options.allowedSchemes.indexOf(scheme) === -1;
  }
  function parseUrl(value) {
    value = value.replace(/^(\w+:)?\s*[\\/]\s*[\\/]/, '$1//');
    if (value.startsWith('relative:')) {
      // An attempt to exploit our workaround for base URLs being
      // mandatory for relative URL validation in the WHATWG
      // URL parser, reject it
      throw new Error('relative: exploit attempt');
    }
    // naughtyHref is in charge of whether protocol relative URLs
    // are cool. Here we are concerned just with allowed hostnames and
    // whether to allow relative URLs.
    //
    // Build a placeholder "base URL" against which any reasonable
    // relative URL may be parsed successfully
    var base = 'relative://relative-site';
    for (var i = 0; i < 100; i++) {
      base += "/".concat(i);
    }
    var parsed = new URL(value, base);
    var isRelativeUrl = parsed && parsed.hostname === 'relative-site' && parsed.protocol === 'relative:';
    return {
      isRelativeUrl: isRelativeUrl,
      url: parsed
    };
  }
  /**
   * Filters user input css properties by allowlisted regex attributes.
   * Modifies the abstractSyntaxTree object.
   *
   * @param {object} abstractSyntaxTree  - Object representation of CSS attributes.
   * @property {array[Declaration]} abstractSyntaxTree.nodes[0] - Each object cointains prop and value key, i.e { prop: 'color', value: 'red' }.
   * @param {object} allowedStyles       - Keys are properties (i.e color), value is list of permitted regex rules (i.e /green/i).
   * @return {object}                    - The modified tree.
   */
  function filterCss(abstractSyntaxTree, allowedStyles) {
    if (!allowedStyles) {
      return abstractSyntaxTree;
    }
    var astRules = abstractSyntaxTree.nodes[0];
    var selectedRule;

    // Merge global and tag-specific styles into new AST.
    if (allowedStyles[astRules.selector] && allowedStyles['*']) {
      selectedRule = deepmerge(allowedStyles[astRules.selector], allowedStyles['*']);
    } else {
      selectedRule = allowedStyles[astRules.selector] || allowedStyles['*'];
    }
    if (selectedRule) {
      abstractSyntaxTree.nodes[0].nodes = astRules.nodes.reduce(filterDeclarations(selectedRule), []);
    }
    return abstractSyntaxTree;
  }

  /**
   * Extracts the style attributes from an AbstractSyntaxTree and formats those
   * values in the inline style attribute format.
   *
   * @param  {AbstractSyntaxTree} filteredAST
   * @return {string}             - Example: "color:yellow;text-align:center !important;font-family:helvetica;"
   */
  function stringifyStyleAttributes(filteredAST) {
    return filteredAST.nodes[0].nodes.reduce(function (extractedAttributes, attrObject) {
      extractedAttributes.push("".concat(attrObject.prop, ":").concat(attrObject.value).concat(attrObject.important ? ' !important' : ''));
      return extractedAttributes;
    }, []).join(';');
  }

  /**
    * Filters the existing attributes for the given property. Discards any attributes
    * which don't match the allowlist.
    *
    * @param  {object} selectedRule             - Example: { color: red, font-family: helvetica }
    * @param  {array} allowedDeclarationsList   - List of declarations which pass the allowlist.
    * @param  {object} attributeObject          - Object representing the current css property.
    * @property {string} attributeObject.type   - Typically 'declaration'.
    * @property {string} attributeObject.prop   - The CSS property, i.e 'color'.
    * @property {string} attributeObject.value  - The corresponding value to the css property, i.e 'red'.
    * @return {function}                        - When used in Array.reduce, will return an array of Declaration objects
    */
  function filterDeclarations(selectedRule) {
    return function (allowedDeclarationsList, attributeObject) {
      // If this property is allowlisted...
      if (has(selectedRule, attributeObject.prop)) {
        var matchesRegex = selectedRule[attributeObject.prop].some(function (regularExpression) {
          return regularExpression.test(attributeObject.value);
        });
        if (matchesRegex) {
          allowedDeclarationsList.push(attributeObject);
        }
      }
      return allowedDeclarationsList;
    };
  }
  function filterClasses(classes, allowed, allowedGlobs) {
    if (!allowed) {
      // The class attribute is allowed without filtering on this tag
      return classes;
    }
    classes = classes.split(/\s+/);
    return classes.filter(function (clss) {
      return allowed.indexOf(clss) !== -1 || allowedGlobs.some(function (glob) {
        return glob.test(clss);
      });
    }).join(' ');
  }
}

// Defaults are accessible to you so that you can use them as a starting point
// programmatically if you wish

var htmlParserDefaults = {
  decodeEntities: true
};
sanitizeHtml.defaults = {
  allowedTags: [
  // Sections derived from MDN element categories and limited to the more
  // benign categories.
  // https://developer.mozilla.org/en-US/docs/Web/HTML/Element
  // Content sectioning
  'address', 'article', 'aside', 'footer', 'header', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'hgroup', 'main', 'nav', 'section',
  // Text content
  'blockquote', 'dd', 'div', 'dl', 'dt', 'figcaption', 'figure', 'hr', 'li', 'main', 'ol', 'p', 'pre', 'ul',
  // Inline text semantics
  'a', 'abbr', 'b', 'bdi', 'bdo', 'br', 'cite', 'code', 'data', 'dfn', 'em', 'i', 'kbd', 'mark', 'q', 'rb', 'rp', 'rt', 'rtc', 'ruby', 's', 'samp', 'small', 'span', 'strong', 'sub', 'sup', 'time', 'u', 'var', 'wbr',
  // Table content
  'caption', 'col', 'colgroup', 'table', 'tbody', 'td', 'tfoot', 'th', 'thead', 'tr'],
  disallowedTagsMode: 'discard',
  allowedAttributes: {
    a: ['href', 'name', 'target'],
    // We don't currently allow img itself by default, but
    // these attributes would make sense if we did.
    img: ['src', 'srcset', 'alt', 'title', 'width', 'height', 'loading']
  },
  // Lots of these won't come up by default because we don't allow them
  selfClosing: ['img', 'br', 'hr', 'area', 'base', 'basefont', 'input', 'link', 'meta'],
  // URL schemes we permit
  allowedSchemes: ['http', 'https', 'ftp', 'mailto', 'tel'],
  allowedSchemesByTag: {},
  allowedSchemesAppliedToAttributes: ['href', 'src', 'cite'],
  allowProtocolRelative: true,
  enforceHtmlBoundary: false
};
sanitizeHtml.simpleTransform = function (newTagName, newAttribs, merge) {
  merge = merge === undefined ? true : merge;
  newAttribs = newAttribs || {};
  return function (tagName, attribs) {
    var attrib;
    if (merge) {
      for (attrib in newAttribs) {
        attribs[attrib] = newAttribs[attrib];
      }
    } else {
      attribs = newAttribs;
    }
    return {
      tagName: newTagName,
      attribs: attribs
    };
  };
};

/***/ }),

/***/ 432:
/***/ ((module) => {




module.exports = function (string) {
  if (typeof string !== 'string') {
    throw new TypeError('Expected a string');
  }

  // Escape characters with special meaning either inside or outside character sets.
  // Use a simple backslash escape when it’s always valid, and a \unnnn escape when the simpler form would be disallowed by Unicode patterns’ stricter grammar.
  return string.replace(/[|\\{}()[\]^$+*?.]/g, '\\$&').replace(/-/g, '\\x2d');
};

/***/ }),

/***/ 2868:
/***/ (() => {

/* (ignored) */

/***/ }),

/***/ 4777:
/***/ (() => {

/* (ignored) */

/***/ }),

/***/ 9830:
/***/ (() => {

/* (ignored) */

/***/ }),

/***/ 209:
/***/ (() => {

/* (ignored) */

/***/ }),

/***/ 7414:
/***/ (() => {

/* (ignored) */

/***/ }),

/***/ 2961:
/***/ ((module) => {

let urlAlphabet =
  'useandom-26T198340PX75pxJACKVERYMINDBUSHWOLF_GQZbfghjklqvwyzrict'
let customAlphabet = (alphabet, defaultSize = 21) => {
  return (size = defaultSize) => {
    let id = ''
    let i = size
    while (i--) {
      id += alphabet[(Math.random() * alphabet.length) | 0]
    }
    return id
  }
}
let nanoid = (size = 21) => {
  let id = ''
  let i = size
  while (i--) {
    id += urlAlphabet[(Math.random() * 64) | 0]
  }
  return id
}
module.exports = { nanoid, customAlphabet }


/***/ }),

/***/ 3600:
/***/ ((module) => {


module.exports = JSON.parse('{"0":65533,"128":8364,"130":8218,"131":402,"132":8222,"133":8230,"134":8224,"135":8225,"136":710,"137":8240,"138":352,"139":8249,"140":338,"142":381,"145":8216,"146":8217,"147":8220,"148":8221,"149":8226,"150":8211,"151":8212,"152":732,"153":8482,"154":353,"155":8250,"156":339,"158":382,"159":376}');

/***/ }),

/***/ 9323:
/***/ ((module) => {


module.exports = 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pto":"∝","prsim":"≾","prurel":"⊰","Pscr":"𝒫","pscr":"𝓅","Psi":"Ψ","psi":"ψ","puncsp":" ","Qfr":"𝔔","qfr":"𝔮","qint":"⨌","qopf":"𝕢","Qopf":"ℚ","qprime":"⁗","Qscr":"𝒬","qscr":"𝓆","quaternions":"ℍ","quatint":"⨖","quest":"?","questeq":"≟","quot":"\\"","QUOT":"\\"","rAarr":"⇛","race":"∽̱","Racute":"Ŕ","racute":"ŕ","radic":"√","raemptyv":"⦳","rang":"⟩","Rang":"⟫","rangd":"⦒","range":"⦥","rangle":"⟩","raquo":"»","rarrap":"⥵","rarrb":"⇥","rarrbfs":"⤠","rarrc":"⤳","rarr":"→","Rarr":"↠","rArr":"⇒","rarrfs":"⤞","rarrhk":"↪","rarrlp":"↬","rarrpl":"⥅","rarrsim":"⥴","Rarrtl":"⤖","rarrtl":"↣","rarrw":"↝","ratail":"⤚","rAtail":"⤜","ratio":"∶","rationals":"ℚ","rbarr":"⤍","rBarr":"⤏","RBarr":"⤐","rbbrk":"❳","rbrace":"}","rbrack":"]","rbrke":"⦌","rbrksld":"⦎","rbrkslu":"⦐","Rcaron":"Ř","rcaron":"ř","Rcedil":"Ŗ","rcedil":"ŗ","rceil":"⌉","rcub":"}","Rcy":"Р","rcy":"р","rdca":"⤷","rdldhar":"⥩","rdquo":"”","rdquor":"”","rdsh":"↳","real":"ℜ","realine":"ℛ","realpart":"ℜ","reals":"ℝ","Re":"ℜ","rect":"▭","reg":"®","REG":"®","ReverseElement":"∋","ReverseEquilibrium":"⇋","ReverseUpEquilibrium":"⥯","rfisht":"⥽","rfloor":"⌋","rfr":"𝔯","Rfr":"ℜ","rHar":"⥤","rhard":"⇁","rharu":"⇀","rharul":"⥬","Rho":"Ρ","rho":"ρ","rhov":"ϱ","RightAngleBracket":"⟩","RightArrowBar":"⇥","rightarrow":"→","RightArrow":"→","Rightarrow":"⇒","RightArrowLeftArrow":"⇄","rightarrowtail":"↣","RightCeiling":"⌉","RightDoubleBracket":"⟧","RightDownTeeVector":"⥝","RightDownVectorBar":"⥕","RightDownVector":"⇂","RightFloor":"⌋","rightharpoondown":"⇁","rightharpoonup":"⇀","rightleftarrows":"⇄","rightleftharpoons":"⇌","rightrightarrows":"⇉","rightsquigarrow":"↝","RightTeeArrow":"↦","RightTee":"⊢","RightTeeVector":"⥛","rightthreetimes":"⋌","RightTriangleBar":"⧐","RightTriangle":"⊳","RightTriangleEqual":"⊵","RightUpDownVector":"⥏","RightUpTeeVector":"⥜","RightUpVectorBar":"⥔","RightUpVector":"↾","RightVectorBar":"⥓","RightVector":"⇀","ring":"˚","risingdotseq":"≓","rlarr":"⇄","rlhar":"⇌","rlm":"‏","rmoustache":"⎱","rmoust":"⎱","rnmid":"⫮","roang":"⟭","roarr":"⇾","robrk":"⟧","ropar":"⦆","ropf":"𝕣","Ropf":"ℝ","roplus":"⨮","rotimes":"⨵","RoundImplies":"⥰","rpar":")","rpargt":"⦔","rppolint":"⨒","rrarr":"⇉","Rrightarrow":"⇛","rsaquo":"›","rscr":"𝓇","Rscr":"ℛ","rsh":"↱","Rsh":"↱","rsqb":"]","rsquo":"’","rsquor":"’","rthree":"⋌","rtimes":"⋊","rtri":"▹","rtrie":"⊵","rtrif":"▸","rtriltri":"⧎","RuleDelayed":"⧴","ruluhar":"⥨","rx":"℞","Sacute":"Ś","sacute":"ś","sbquo":"‚","scap":"⪸","Scaron":"Š","scaron":"š","Sc":"⪼","sc":"≻","sccue":"≽","sce":"⪰","scE":"⪴","Scedil":"Ş","scedil":"ş","Scirc":"Ŝ","scirc":"ŝ","scnap":"⪺","scnE":"⪶","scnsim":"⋩","scpolint":"⨓","scsim":"≿","Scy":"С","scy":"с","sdotb":"⊡","sdot":"⋅","sdote":"⩦","searhk":"⤥","searr":"↘","seArr":"⇘","searrow":"↘","sect":"§","semi":";","seswar":"⤩","setminus":"∖","setmn":"∖","sext":"✶","Sfr":"𝔖","sfr":"𝔰","sfrown":"⌢","sharp":"♯","SHCHcy":"Щ","shchcy":"щ","SHcy":"Ш","shcy":"ш","ShortDownArrow":"↓","ShortLeftArrow":"←","shortmid":"∣","shortparallel":"∥","ShortRightArrow":"→","ShortUpArrow":"↑","shy":"­","Sigma":"Σ","sigma":"σ","sigmaf":"ς","sigmav":"ς","sim":"∼","simdot":"⩪","sime":"≃","simeq":"≃","simg":"⪞","simgE":"⪠","siml":"⪝","simlE":"⪟","simne":"≆","simplus":"⨤","simrarr":"⥲","slarr":"←","SmallCircle":"∘","smallsetminus":"∖","smashp":"⨳","smeparsl":"⧤","smid":"∣","smile":"⌣","smt":"⪪","smte":"⪬","smtes":"⪬︀","SOFTcy":"Ь","softcy":"ь","solbar":"⌿","solb":"⧄","sol":"/","Sopf":"𝕊","sopf":"𝕤","spades":"♠","spadesuit":"♠","spar":"∥","sqcap":"⊓","sqcaps":"⊓︀","sqcup":"⊔","sqcups":"⊔︀","Sqrt":"√","sqsub":"⊏","sqsube":"⊑","sqsubset":"⊏","sqsubseteq":"⊑","sqsup":"⊐","sqsupe":"⊒","sqsupset":"⊐","sqsupseteq":"⊒","square":"□","Square":"□","SquareIntersection":"⊓","SquareSubset":"⊏","SquareSubsetEqual":"⊑","SquareSuperset":"⊐","SquareSupersetEqual":"⊒","SquareUnion":"⊔","squarf":"▪","squ":"□","squf":"▪","srarr":"→","Sscr":"𝒮","sscr":"𝓈","ssetmn":"∖","ssmile":"⌣","sstarf":"⋆","Star":"⋆","star":"☆","starf":"★","straightepsilon":"ϵ","straightphi":"ϕ","strns":"¯","sub":"⊂","Sub":"⋐","subdot":"⪽","subE":"⫅","sube":"⊆","subedot":"⫃","submult":"⫁","subnE":"⫋","subne":"⊊","subplus":"⪿","subrarr":"⥹","subset":"⊂","Subset":"⋐","subseteq":"⊆","subseteqq":"⫅","SubsetEqual":"⊆","subsetneq":"⊊","subsetneqq":"⫋","subsim":"⫇","subsub":"⫕","subsup":"⫓","succapprox":"⪸","succ":"≻","succcurlyeq":"≽","Succeeds":"≻","SucceedsEqual":"⪰","SucceedsSlantEqual":"≽","SucceedsTilde":"≿","succeq":"⪰","succnapprox":"⪺","succneqq":"⪶","succnsim":"⋩","succsim":"≿","SuchThat":"∋","sum":"∑","Sum":"∑","sung":"♪","sup1":"¹","sup2":"²","sup3":"³","sup":"⊃","Sup":"⋑","supdot":"⪾","supdsub":"⫘","supE":"⫆","supe":"⊇","supedot":"⫄","Superset":"⊃","SupersetEqual":"⊇","suphsol":"⟉","suphsub":"⫗","suplarr":"⥻","supmult":"⫂","supnE":"⫌","supne":"⊋","supplus":"⫀","supset":"⊃","Supset":"⋑","supseteq":"⊇","supseteqq":"⫆","supsetneq":"⊋","supsetneqq":"⫌","supsim":"⫈","supsub":"⫔","supsup":"⫖","swarhk":"⤦","swarr":"↙","swArr":"⇙","swarrow":"↙","swnwar":"⤪","szlig":"ß","Tab":"\\t","target":"⌖","Tau":"Τ","tau":"τ","tbrk":"⎴","Tcaron":"Ť","tcaron":"ť","Tcedil":"Ţ","tcedil":"ţ","Tcy":"Т","tcy":"т","tdot":"⃛","telrec":"⌕","Tfr":"𝔗","tfr":"𝔱","there4":"∴","therefore":"∴","Therefore":"∴","Theta":"Θ","theta":"θ","thetasym":"ϑ","thetav":"ϑ","thickapprox":"≈","thicksim":"∼","ThickSpace":"  ","ThinSpace":" ","thinsp":" ","thkap":"≈","thksim":"∼","THORN":"Þ","thorn":"þ","tilde":"˜","Tilde":"∼","TildeEqual":"≃","TildeFullEqual":"≅","TildeTilde":"≈","timesbar":"⨱","timesb":"⊠","times":"×","timesd":"⨰","tint":"∭","toea":"⤨","topbot":"⌶","topcir":"⫱","top":"⊤","Topf":"𝕋","topf":"𝕥","topfork":"⫚","tosa":"⤩","tprime":"‴","trade":"™","TRADE":"™","triangle":"▵","triangledown":"▿","triangleleft":"◃","trianglelefteq":"⊴","triangleq":"≜","triangleright":"▹","trianglerighteq":"⊵","tridot":"◬","trie":"≜","triminus":"⨺","TripleDot":"⃛","triplus":"⨹","trisb":"⧍","tritime":"⨻","trpezium":"⏢","Tscr":"𝒯","tscr":"𝓉","TScy":"Ц","tscy":"ц","TSHcy":"Ћ","tshcy":"ћ","Tstrok":"Ŧ","tstrok":"ŧ","twixt":"≬","twoheadleftarrow":"↞","twoheadrightarrow":"↠","Uacute":"Ú","uacute":"ú","uarr":"↑","Uarr":"↟","uArr":"⇑","Uarrocir":"⥉","Ubrcy":"Ў","ubrcy":"ў","Ubreve":"Ŭ","ubreve":"ŭ","Ucirc":"Û","ucirc":"û","Ucy":"У","ucy":"у","udarr":"⇅","Udblac":"Ű","udblac":"ű","udhar":"⥮","ufisht":"⥾","Ufr":"𝔘","ufr":"𝔲","Ugrave":"Ù","ugrave":"ù","uHar":"⥣","uharl":"↿","uharr":"↾","uhblk":"▀","ulcorn":"⌜","ulcorner":"⌜","ulcrop":"⌏","ultri":"◸","Umacr":"Ū","umacr":"ū","uml":"¨","UnderBar":"_","UnderBrace":"⏟","UnderBracket":"⎵","UnderParenthesis":"⏝","Union":"⋃","UnionPlus":"⊎","Uogon":"Ų","uogon":"ų","Uopf":"𝕌","uopf":"𝕦","UpArrowBar":"⤒","uparrow":"↑","UpArrow":"↑","Uparrow":"⇑","UpArrowDownArrow":"⇅","updownarrow":"↕","UpDownArrow":"↕","Updownarrow":"⇕","UpEquilibrium":"⥮","upharpoonleft":"↿","upharpoonright":"↾","uplus":"⊎","UpperLeftArrow":"↖","UpperRightArrow":"↗","upsi":"υ","Upsi":"ϒ","upsih":"ϒ","Upsilon":"Υ","upsilon":"υ","UpTeeArrow":"↥","UpTee":"⊥","upuparrows":"⇈","urcorn":"⌝","urcorner":"⌝","urcrop":"⌎","Uring":"Ů","uring":"ů","urtri":"◹","Uscr":"𝒰","uscr":"𝓊","utdot":"⋰","Utilde":"Ũ","utilde":"ũ","utri":"▵","utrif":"▴","uuarr":"⇈","Uuml":"Ü","uuml":"ü","uwangle":"⦧","vangrt":"⦜","varepsilon":"ϵ","varkappa":"ϰ","varnothing":"∅","varphi":"ϕ","varpi":"ϖ","varpropto":"∝","varr":"↕","vArr":"⇕","varrho":"ϱ","varsigma":"ς","varsubsetneq":"⊊︀","varsubsetneqq":"⫋︀","varsupsetneq":"⊋︀","varsupsetneqq":"⫌︀","vartheta":"ϑ","vartriangleleft":"⊲","vartriangleright":"⊳","vBar":"⫨","Vbar":"⫫","vBarv":"⫩","Vcy":"В","vcy":"в","vdash":"⊢","vDash":"⊨","Vdash":"⊩","VDash":"⊫","Vdashl":"⫦","veebar":"⊻","vee":"∨","Vee":"⋁","veeeq":"≚","vellip":"⋮","verbar":"|","Verbar":"‖","vert":"|","Vert":"‖","VerticalBar":"∣","VerticalLine":"|","VerticalSeparator":"❘","VerticalTilde":"≀","VeryThinSpace":" ","Vfr":"𝔙","vfr":"𝔳","vltri":"⊲","vnsub":"⊂⃒","vnsup":"⊃⃒","Vopf":"𝕍","vopf":"𝕧","vprop":"∝","vrtri":"⊳","Vscr":"𝒱","vscr":"𝓋","vsubnE":"⫋︀","vsubne":"⊊︀","vsupnE":"⫌︀","vsupne":"⊋︀","Vvdash":"⊪","vzigzag":"⦚","Wcirc":"Ŵ","wcirc":"ŵ","wedbar":"⩟","wedge":"∧","Wedge":"⋀","wedgeq":"≙","weierp":"℘","Wfr":"𝔚","wfr":"𝔴","Wopf":"𝕎","wopf":"𝕨","wp":"℘","wr":"≀","wreath":"≀","Wscr":"𝒲","wscr":"𝓌","xcap":"⋂","xcirc":"◯","xcup":"⋃","xdtri":"▽","Xfr":"𝔛","xfr":"𝔵","xharr":"⟷","xhArr":"⟺","Xi":"Ξ","xi":"ξ","xlarr":"⟵","xlArr":"⟸","xmap":"⟼","xnis":"⋻","xodot":"⨀","Xopf":"𝕏","xopf":"𝕩","xoplus":"⨁","xotime":"⨂","xrarr":"⟶","xrArr":"⟹","Xscr":"𝒳","xscr":"𝓍","xsqcup":"⨆","xuplus":"⨄","xutri":"△","xvee":"⋁","xwedge":"⋀","Yacute":"Ý","yacute":"ý","YAcy":"Я","yacy":"я","Ycirc":"Ŷ","ycirc":"ŷ","Ycy":"Ы","ycy":"ы","yen":"¥","Yfr":"𝔜","yfr":"𝔶","YIcy":"Ї","yicy":"ї","Yopf":"𝕐","yopf":"𝕪","Yscr":"𝒴","yscr":"𝓎","YUcy":"Ю","yucy":"ю","yuml":"ÿ","Yuml":"Ÿ","Zacute":"Ź","zacute":"ź","Zcaron":"Ž","zcaron":"ž","Zcy":"З","zcy":"з","Zdot":"Ż","zdot":"ż","zeetrf":"ℨ","ZeroWidthSpace":"​","Zeta":"Ζ","zeta":"ζ","zfr":"𝔷","Zfr":"ℨ","ZHcy":"Ж","zhcy":"ж","zigrarr":"⇝","zopf":"𝕫","Zopf":"ℤ","Zscr":"𝒵","zscr":"𝓏","zwj":"‍","zwnj":"‌"}');

/***/ }),

/***/ 9591:
/***/ ((module) => {


module.exports = JSON.parse('{"Aacute":"Á","aacute":"á","Acirc":"Â","acirc":"â","acute":"´","AElig":"Æ","aelig":"æ","Agrave":"À","agrave":"à","amp":"&","AMP":"&","Aring":"Å","aring":"å","Atilde":"Ã","atilde":"ã","Auml":"Ä","auml":"ä","brvbar":"¦","Ccedil":"Ç","ccedil":"ç","cedil":"¸","cent":"¢","copy":"©","COPY":"©","curren":"¤","deg":"°","divide":"÷","Eacute":"É","eacute":"é","Ecirc":"Ê","ecirc":"ê","Egrave":"È","egrave":"è","ETH":"Ð","eth":"ð","Euml":"Ë","euml":"ë","frac12":"½","frac14":"¼","frac34":"¾","gt":">","GT":">","Iacute":"Í","iacute":"í","Icirc":"Î","icirc":"î","iexcl":"¡","Igrave":"Ì","igrave":"ì","iquest":"¿","Iuml":"Ï","iuml":"ï","laquo":"«","lt":"<","LT":"<","macr":"¯","micro":"µ","middot":"·","nbsp":" ","not":"¬","Ntilde":"Ñ","ntilde":"ñ","Oacute":"Ó","oacute":"ó","Ocirc":"Ô","ocirc":"ô","Ograve":"Ò","ograve":"ò","ordf":"ª","ordm":"º","Oslash":"Ø","oslash":"ø","Otilde":"Õ","otilde":"õ","Ouml":"Ö","ouml":"ö","para":"¶","plusmn":"±","pound":"£","quot":"\\"","QUOT":"\\"","raquo":"»","reg":"®","REG":"®","sect":"§","shy":"­","sup1":"¹","sup2":"²","sup3":"³","szlig":"ß","THORN":"Þ","thorn":"þ","times":"×","Uacute":"Ú","uacute":"ú","Ucirc":"Û","ucirc":"û","Ugrave":"Ù","ugrave":"ù","uml":"¨","Uuml":"Ü","uuml":"ü","Yacute":"Ý","yacute":"ý","yen":"¥","yuml":"ÿ"}');

/***/ }),

/***/ 2586:
/***/ ((module) => {


module.exports = JSON.parse('{"amp":"&","apos":"\'","gt":">","lt":"<","quot":"\\""}');

/***/ })

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var __webpack_exports__ = {};
// This entry need to be wrapped in an IIFE because it need to be in strict mode.
(() => {
"use strict";


__webpack_require__(2234);
__webpack_require__(6760);
__webpack_require__(8299);
if (__webpack_require__.g._babelPolyfill) {
  throw new Error("only one instance of babel-polyfill is allowed");
}
__webpack_require__.g._babelPolyfill = true;
var DEFINE_PROPERTY = "defineProperty";
function define(O, key, value) {
  O[key] || Object[DEFINE_PROPERTY](O, key, {
    writable: true,
    configurable: true,
    value: value
  });
}
define(String.prototype, "padLeft", "".padStart);
define(String.prototype, "padRight", "".padEnd);
"pop,reverse,shift,keys,values,entries,indexOf,every,some,forEach,map,filter,find,findIndex,includes,join,slice,concat,push,splice,unshift,sort,lastIndexOf,reduce,reduceRight,copyWithin,fill".split(",").forEach(function (key) {
  [][key] && define(Array, key, Function.call.bind([][key]));
});
})();

// This entry need to be wrapped in an IIFE because it need to be in strict mode.
(() => {
"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "Sanitizer": () => (/* binding */ Sanitizer),
/* harmony export */   "defaultSanitizer": () => (/* binding */ defaultSanitizer)
/* harmony export */ });
/* harmony import */ var sanitize_html__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(6482);
/* harmony import */ var sanitize_html__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(sanitize_html__WEBPACK_IMPORTED_MODULE_0__);
var _templateObject, _templateObject2, _templateObject3, _templateObject4;
function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }
function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter); }
function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; }
function _taggedTemplateLiteral(strings, raw) { if (!raw) { raw = strings.slice(0); } return Object.freeze(Object.defineProperties(strings, { raw: { value: Object.freeze(raw) } })); }
function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, _toPropertyKey(descriptor.key), descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }
function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return _typeof(key) === "symbol" ? key : String(key); }
function _toPrimitive(input, hint) { if (_typeof(input) !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (_typeof(res) !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); }
// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.
// sanitize-html uses the url package, so we depend on a standalone version of
// it which acts as a polyfill for browsers.

/**
 * Helper class that contains regular expressions for inline CSS style validation.
 *
 * Which properties (and values) to allow is largely based on the Google Caja project:
 *   https://github.com/google/caja
 *
 * The regular expressions are largly based on the syntax definition found at
 * https://developer.mozilla.org/en-US/docs/Web/CSS.
 */
var CssProp = /*#__PURE__*/function () {
  function CssProp() {
    _classCallCheck(this, CssProp);
  }
  _createClass(CssProp, null, [{
    key: "reg",
    value: function reg(r) {
      return new RegExp('^' + r + '$', 'i');
    }
  }]);
  return CssProp;
}();
/*
 * Numeric base expressions used to help build more complex regular expressions
 */
CssProp.N = {
  integer: "[+-]?[0-9]+",
  integer_pos: "[+]?[0-9]+",
  integer_zero_ff: "([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])",
  number: "[+-]?([0-9]*[.])?[0-9]+(e-?[0-9]*)?",
  number_pos: "[+]?([0-9]*[.])?[0-9]+(e-?[0-9]*)?",
  number_zero_hundred: "[+]?(([0-9]|[1-9][0-9])([.][0-9]+)?|100)",
  number_zero_one: "[+]?(1([.][0]+)?|0?([.][0-9]+)?)"
};
/*
 * Base expressions of common CSS syntax elements
 */
CssProp.B = {
  angle: "(".concat(CssProp.N.number, "(deg|rad|grad|turn)|0)"),
  frequency: "".concat(CssProp.N.number, "(Hz|kHz)"),
  ident: String.raw(_templateObject || (_templateObject = _taggedTemplateLiteral(["-?([_a-z]|[\xA0-\xFF]|\\[0-9a-f]{1,6}(\r\n|[ \t\r\n\f])?|\\[^\r\n\f0-9a-f])([_a-z0-9-]|[\xA0-\xFF]|\\[0-9a-f]{1,6}(\r\n|[ \t\r\n\f])?|\\[^\r\n\f0-9a-f])*"], ["-?([_a-z]|[\\xA0-\\xFF]|\\\\[0-9a-f]{1,6}(\\r\\n|[ \\t\\r\\n\\f])?|\\\\[^\\r\\n\\f0-9a-f])([_a-z0-9-]|[\\xA0-\\xFF]|\\\\[0-9a-f]{1,6}(\\r\\n|[ \\t\\r\\n\\f])?|\\\\[^\\r\\n\\f0-9a-f])*"]))),
  len_or_perc: "(0|".concat(CssProp.N.number, "(px|em|rem|ex|in|cm|mm|pt|pc|%))"),
  length: "(".concat(CssProp.N.number, "(px|em|rem|ex|in|cm|mm|pt|pc)|0)"),
  length_pos: "(".concat(CssProp.N.number_pos, "(px|em|rem|ex|in|cm|mm|pt|pc)|0)"),
  percentage: "".concat(CssProp.N.number, "%"),
  percentage_pos: "".concat(CssProp.N.number_pos, "%"),
  percentage_zero_hundred: "".concat(CssProp.N.number_zero_hundred, "%"),
  string: String.raw(_templateObject2 || (_templateObject2 = _taggedTemplateLiteral(["(\"([^\n\r\f\\\"]|\\\n|\r\n|\r|\f|\\[0-9a-f]{1,6}(\r\n|[ \t\r\n\f])?|\\[^\r\n\f0-9a-f])*\")|('([^\n\r\f\\']|\\\n|\r\n|\r|\f|\\[0-9a-f]{1,6}(\r\n|[ \t\r\n\f])?|\\[^\r\n\f0-9a-f])*')"], ["(\\\"([^\\n\\r\\f\\\\\"]|\\\\\\n|\\r\\n|\\r|\\f|\\\\[0-9a-f]{1,6}(\\r\\n|[ \\t\\r\\n\\f])?|\\\\[^\\r\\n\\f0-9a-f])*\\\")|(\\'([^\\n\\r\\f\\\\']|\\\\\\n|\\r\\n|\\r|\\f|\\\\[0-9a-f]{1,6}(\\r\\n|[ \\t\\r\\n\\f])?|\\\\[^\\r\\n\\f0-9a-f])*\\')"]))),
  time: "".concat(CssProp.N.number, "(s|ms)"),
  url: "url\\(.*?\\)",
  z_index: "[+-]?[0-9]{1,7}"
};
/*
 * Atomic (i.e. not dependant on other regular expressions) sub RegEx segments
 */
CssProp.A = {
  absolute_size: "xx-small|x-small|small|medium|large|x-large|xx-large",
  attachment: "scroll|fixed|local",
  bg_origin: "border-box|padding-box|content-box",
  border_style: "none|hidden|dotted|dashed|solid|double|groove|ridge|inset|outset",
  box: "border-box|padding-box|content-box",
  display_inside: "auto|block|table|flex|grid",
  display_outside: "block-level|inline-level|none|table-row-group|table-header-group|table-footer-group|table-row|table-cell|table-column-group|table-column|table-caption",
  ending_shape: "circle|ellipse",
  generic_family: "serif|sans-serif|cursive|fantasy|monospace",
  generic_voice: "male|female|child",
  relative_size: "smaller|larger",
  repeat_style: "repeat-x|repeat-y|((?:repeat|space|round|no-repeat)(?:\\s*(?:repeat|space|round|no-repeat))?)",
  side_or_corner: "(left|right)?\\s*(top|bottom)?",
  single_animation_direction: "normal|reverse|alternate|alternate-reverse",
  single_animation_fill_mode: "none|forwards|backwards|both",
  single_animation_play_state: "running|paused"
};
/*
 * Color definition sub expressions
 */
CssProp._COLOR = {
  hex: "\\#(0x)?[0-9a-f]+",
  name: "aliceblue|antiquewhite|aqua|aquamarine|azure|beige|bisque|black|blanchedalmond|blue|blueviolet|brown|burlywood|cadetblue|chartreuse|chocolate|coral|cornflowerblue|cornsilk|crimson|cyan|darkblue|darkcyan|darkgoldenrod|darkgray|darkgreen|darkkhaki|darkmagenta|darkolivegreen|darkorange|darkorchid|darkred|darksalmon|darkseagreen|darkslateblue|darkslategray|darkturquoise|darkviolet|deeppink|deepskyblue|dimgray|dodgerblue|firebrick|floralwhite|forestgreen|fuchsia|gainsboro|ghostwhite|gold|goldenrod|gray|green|greenyellow|honeydew|hotpink|indianred|indigo|ivory|khaki|lavender|lavenderblush|lawngreen|lemonchiffon|lightblue|lightcoral|lightcyan|lightgoldenrodyellow|lightgreen|lightgrey|lightpink|lightsalmon|lightseagreen|lightskyblue|lightslategray|lightsteelblue|lightyellow|lime|limegreen|linen|magenta|maroon|mediumaquamarine|mediumblue|mediumorchid|mediumpurple|mediumseagreen|mediumslateblue|mediumspringgreen|mediumturquoise|mediumvioletred|midnightblue|mintcream|mistyrose|moccasin|navajowhite|navy|oldlace|olive|olivedrab|orange|orangered|orchid|palegoldenrod|palegreen|paleturquoise|palevioletred|papayawhip|peachpuff|peru|pink|plum|powderblue|purple|red|rosybrown|royalblue|saddlebrown|salmon|sandybrown|seagreen|seashell|sienna|silver|skyblue|slateblue|slategray|snow|springgreen|steelblue|tan|teal|thistle|tomato|turquoise|transparent|violet|wheat|white|whitesmoke|yellow|yellowgreen",
  rgb: String.raw(_templateObject3 || (_templateObject3 = _taggedTemplateLiteral(["rgb(s*(d{1,3})s*,s*(d{1,3})s*,s*(d{1,3})s*)"], ["rgb\\(\\s*(\\d{1,3})\\s*,\\s*(\\d{1,3})\\s*,\\s*(\\d{1,3})\\s*\\)"]))),
  rgba: String.raw(_templateObject4 || (_templateObject4 = _taggedTemplateLiteral(["rgba(s*(d{1,3})s*,s*(d{1,3})s*,s*(d{1,3})s*,s*(", "|", "|", ")s*)"], ["rgba\\(\\s*(\\d{1,3})\\s*,\\s*(\\d{1,3})\\s*,\\s*(\\d{1,3})\\s*,\\s*(", "|", "|", ")\\s*\\)"])), CssProp.N.integer_zero_ff, CssProp.N.number_zero_one, CssProp.B.percentage_zero_hundred)
};
/*
 * Compound (i.e. dependant on other (sub) regular expressions) sub RegEx segments
 */
CssProp._C = {
  alpha: "".concat(CssProp.N.integer_zero_ff, "|").concat(CssProp.N.number_zero_one, "|").concat(CssProp.B.percentage_zero_hundred),
  alphavalue: CssProp.N.number_zero_one,
  bg_position: "((".concat(CssProp.B.len_or_perc, "|left|center|right|top|bottom)\\s*){1,4}"),
  bg_size: "(".concat(CssProp.B.length_pos, "|").concat(CssProp.B.percentage, "|auto){1,2}|cover|contain"),
  border_width: "thin|medium|thick|".concat(CssProp.B.length),
  bottom: "".concat(CssProp.B.length, "|auto"),
  color: "".concat(CssProp._COLOR.hex, "|").concat(CssProp._COLOR.rgb, "|").concat(CssProp._COLOR.rgba, "|").concat(CssProp._COLOR.name),
  color_stop_length: "(".concat(CssProp.B.len_or_perc, "\\s*){1,2}"),
  linear_color_hint: "".concat(CssProp.B.len_or_perc),
  family_name: "".concat(CssProp.B.string, "|(").concat(CssProp.B.ident, "\\s*)+"),
  image_decl: CssProp.B.url,
  left: "".concat(CssProp.B.length, "|auto"),
  loose_quotable_words: "(".concat(CssProp.B.ident, ")+"),
  margin_width: "".concat(CssProp.B.len_or_perc, "|auto"),
  padding_width: "".concat(CssProp.B.length_pos, "|").concat(CssProp.B.percentage_pos),
  page_url: CssProp.B.url,
  position: "((".concat(CssProp.B.len_or_perc, "|left|center|right|top|bottom)\\s*){1,4}"),
  right: "".concat(CssProp.B.length, "|auto"),
  shadow: '',
  size: "closest-side|farthest-side|closest-corner|farthest-corner|".concat(CssProp.B.length, "|(").concat(CssProp.B.len_or_perc, ")\\s+(").concat(CssProp.B.len_or_perc, ")"),
  top: "".concat(CssProp.B.length, "|auto")
};
CssProp._C1 = {
  image_list: "image\\(\\s*(".concat(CssProp.B.url, ")*\\s*(").concat(CssProp.B.url, "|").concat(CssProp._C.color, ")\\s*\\)"),
  linear_color_stop: "(".concat(CssProp._C.color, ")(\\s*").concat(CssProp._C.color_stop_length, ")?"),
  shadow: "((".concat(CssProp._C.color, ")\\s+((").concat(CssProp.B.length, ")\\s*){2,4}(s+inset)?)|((inset\\s+)?((").concat(CssProp.B.length, ")\\s*){2,4}\\s*(").concat(CssProp._C.color, ")?)")
};
CssProp._C2 = {
  color_stop_list: "((".concat(CssProp._C1.linear_color_stop, ")(\\s*(").concat(CssProp._C.linear_color_hint, "))?\\s*,\\s*)+(").concat(CssProp._C1.linear_color_stop, ")"),
  shape: "rect\\(\\s*(".concat(CssProp._C.top, ")\\s*,\\s*(").concat(CssProp._C.right, ")\\s*,\\s*(").concat(CssProp._C.bottom, ")\\s*,\\s*(").concat(CssProp._C.left, ")\\s*\\)")
};
CssProp._C3 = {
  linear_gradient: "linear-gradient\\((((".concat(CssProp.B.angle, ")|to\\s+(").concat(CssProp.A.side_or_corner, "))\\s*,\\s*)?\\s*(").concat(CssProp._C2.color_stop_list, ")\\s*\\)"),
  radial_gradient: "radial-gradient\\(((((".concat(CssProp.A.ending_shape, ")|(").concat(CssProp._C.size, "))\\s*)*\\s*(at\\s+").concat(CssProp._C.position, ")?\\s*,\\s*)?\\s*(").concat(CssProp._C2.color_stop_list, ")\\s*\\)")
};
CssProp._C4 = {
  image: "".concat(CssProp.B.url, "|").concat(CssProp._C3.linear_gradient, "|").concat(CssProp._C3.radial_gradient, "|").concat(CssProp._C1.image_list),
  bg_image: "(".concat(CssProp.B.url, "|").concat(CssProp._C3.linear_gradient, "|").concat(CssProp._C3.radial_gradient, "|").concat(CssProp._C1.image_list, ")|none")
};
CssProp.C = Object.assign(Object.assign(Object.assign(Object.assign(Object.assign({}, CssProp._C), CssProp._C1), CssProp._C2), CssProp._C3), CssProp._C4);
/*
 * Property value regular expressions not dependant on other sub expressions
 */
CssProp.AP = {
  border_collapse: "collapse|separate",
  box: "normal|none|contents",
  box_sizing: "content-box|padding-box|border-box",
  caption_side: "top|bottom",
  clear: "none|left|right|both",
  direction: "ltr|rtl",
  empty_cells: "show|hide",
  "float": "left|right|none",
  font_stretch: "normal|wider|narrower|ultra-condensed|extra-condensed|condensed|semi-condensed|semi-expanded|expanded|extra-expanded|ultra-expanded",
  font_style: "normal|italic|oblique",
  font_variant: "normal|small-caps",
  font_weight: "normal|bold|bolder|lighter|100|200|300|400|500|600|700|800|900",
  list_style_position: "inside|outside",
  list_style_type: "disc|circle|square|decimal|decimal-leading-zero|lower-roman|upper-roman|lower-greek|lower-latin|upper-latin|armenian|georgian|lower-alpha|upper-alpha|none",
  overflow: "visible|hidden|scroll|auto",
  overflow_wrap: "normal|break-word",
  overflow_x: "visible|hidden|scroll|auto|no-display|no-content",
  page_break_after: "auto|always|avoid|left|right",
  page_break_before: "auto|always|avoid|left|right",
  page_break_inside: "avoid|auto",
  position: "static|relative|absolute",
  resize: "none|both|horizontal|vertical",
  speak: "normal|none|spell-out",
  speak_header: "once|always",
  speak_numeral: "digits|continuous",
  speak_punctuation: "code|none",
  table_layout: "auto|fixed",
  text_align: "left|right|center|justify",
  text_decoration: "none|((underline|overline|line-through|blink)\\s*)+",
  text_transform: "capitalize|uppercase|lowercase|none",
  text_wrap: "normal|unrestricted|none|suppress",
  unicode_bidi: "normal|embed|bidi-override",
  visibility: "visible|hidden|collapse",
  white_space: "normal|pre|nowrap|pre-wrap|pre-line",
  word_break: "normal|keep-all|break-all"
};
/*
 * Compound propertiy value regular expressions (i.e. dependant on other sub expressions)
 */
CssProp._CP = {
  background_attachment: "".concat(CssProp.A.attachment, "(,\\s*").concat(CssProp.A.attachment, ")*"),
  background_color: CssProp.C.color,
  background_origin: "".concat(CssProp.A.box, "(,\\s*").concat(CssProp.A.box, ")*"),
  background_repeat: "".concat(CssProp.A.repeat_style, "(,\\s*").concat(CssProp.A.repeat_style, ")*"),
  border: "((".concat(CssProp.C.border_width, "|").concat(CssProp.A.border_style, "|").concat(CssProp.C.color, ")\\s*){1,3}"),
  border_radius: "((".concat(CssProp.B.len_or_perc, ")\\s*){1,4}(\\/\\s*((").concat(CssProp.B.len_or_perc, ")\\s*){1,4})?"),
  border_spacing: "".concat(CssProp.B.length, "\\s*(").concat(CssProp.B.length, ")?"),
  border_top_color: CssProp.C.color,
  border_top_style: CssProp.A.border_style,
  border_width: "((".concat(CssProp.C.border_width, ")\\s*){1,4}"),
  color: CssProp.C.color,
  cursor: "(".concat(CssProp.B.url, "(\\s*,\\s*)?)*(auto|crosshair|default|pointer|move|e-resize|ne-resize|nw-resize|n-resize|se-resize|sw-resize|s-resize|w-resize|text|wait|help|progress|all-scroll|col-resize|hand|no-drop|not-allowed|row-resize|vertical-text)"),
  display: "inline|block|list-item|run-in|inline-list-item|inline-block|table|inline-table|table-cell|table-caption|flex|inline-flex|grid|inline-grid|".concat(CssProp.A.display_inside, "|").concat(CssProp.A.display_outside, "|inherit|inline-box|inline-stack"),
  display_outside: CssProp.A.display_outside,
  elevation: "".concat(CssProp.B.angle, "|below|level|above|higher|lower"),
  font_family: "(".concat(CssProp.C.family_name, "|").concat(CssProp.A.generic_family, ")(,\\s*(").concat(CssProp.C.family_name, "|").concat(CssProp.A.generic_family, "))*"),
  height: "".concat(CssProp.B.length, "|").concat(CssProp.B.percentage, "|auto"),
  letter_spacing: "normal|".concat(CssProp.B.length),
  list_style_image: "".concat(CssProp.C.image, "|none"),
  margin_right: CssProp.C.margin_width,
  max_height: "".concat(CssProp.B.length_pos, "|").concat(CssProp.B.percentage_pos, "|none|auto"),
  min_height: "".concat(CssProp.B.length_pos, "|").concat(CssProp.B.percentage_pos, "|auto"),
  opacity: CssProp.C.alphavalue,
  outline_color: "".concat(CssProp.C.color, "|invert"),
  outline_width: CssProp.C.border_width,
  padding: "((".concat(CssProp.C.padding_width, ")\\s*){1,4}"),
  padding_top: CssProp.C.padding_width,
  pitch_range: CssProp.N.number,
  right: "".concat(CssProp.B.length, "|").concat(CssProp.B.percentage, "|auto"),
  stress: CssProp.N.number,
  text_indent: "".concat(CssProp.B.length, "|").concat(CssProp.B.percentage),
  text_shadow: "none|".concat(CssProp.C.shadow, "(,\\s*(").concat(CssProp.C.shadow, "))*"),
  volume: "".concat(CssProp.N.number_pos, "|").concat(CssProp.B.percentage_pos, "|silent|x-soft|soft|medium|loud|x-loud"),
  word_wrap: CssProp.AP.overflow_wrap,
  zoom: "normal|".concat(CssProp.N.number_pos, "|").concat(CssProp.B.percentage_pos),
  backface_visibility: CssProp.AP.visibility,
  background_clip: "".concat(CssProp.A.box, "(,\\s*(").concat(CssProp.A.box, "))*"),
  background_position: "".concat(CssProp.C.bg_position, "(,\\s*(").concat(CssProp.C.bg_position, "))*"),
  border_bottom_color: CssProp.C.color,
  border_bottom_style: CssProp.A.border_style,
  border_color: "((".concat(CssProp.C.color, ")\\s*){1,4}"),
  border_left_color: CssProp.C.color,
  border_right_color: CssProp.C.color,
  border_style: "((".concat(CssProp.A.border_style, ")\\s*){1,4}"),
  border_top_left_radius: "(".concat(CssProp.B.length, "|").concat(CssProp.B.percentage, ")(\\s*(").concat(CssProp.B.length, "|").concat(CssProp.B.percentage, "))?"),
  border_top_width: CssProp.C.border_width,
  box_shadow: "none|".concat(CssProp.C.shadow, "(,\\s*(").concat(CssProp.C.shadow, "))*"),
  clip: "".concat(CssProp.C.shape, "|auto"),
  display_inside: CssProp.A.display_inside,
  font_size: "".concat(CssProp.A.absolute_size, "|").concat(CssProp.A.relative_size, "|").concat(CssProp.B.length_pos, "|").concat(CssProp.B.percentage_pos),
  line_height: "normal|".concat(CssProp.N.number_pos, "|").concat(CssProp.B.length_pos, "|").concat(CssProp.B.percentage_pos),
  margin_left: CssProp.C.margin_width,
  max_width: "".concat(CssProp.B.length_pos, "|").concat(CssProp.B.percentage_pos, "|none|auto"),
  outline_style: CssProp.A.border_style,
  padding_bottom: CssProp.C.padding_width,
  padding_right: CssProp.C.padding_width,
  perspective: "none|".concat(CssProp.B.length),
  richness: CssProp.N.number,
  text_overflow: "((clip|ellipsis|".concat(CssProp.B.string, ")\\s*){1,2}"),
  top: "".concat(CssProp.B.length, "|").concat(CssProp.B.percentage, "|auto"),
  width: "".concat(CssProp.B.length_pos, "|").concat(CssProp.B.percentage_pos, "|auto"),
  z_index: "auto|".concat(CssProp.B.z_index),
  // Simplified background
  background: "(((".concat(CssProp.C.bg_position, "\\s*(\\/\\s*").concat(CssProp.C.bg_size, ")?)|(").concat(CssProp.A.repeat_style, ")|(").concat(CssProp.A.attachment, ")|(").concat(CssProp.A.bg_origin, ")|(").concat(CssProp.C.bg_image, ")|(").concat(CssProp.C.color, "))\\s*)+"),
  background_size: "".concat(CssProp.C.bg_size, "(,\\s*").concat(CssProp.C.bg_size, ")*"),
  border_bottom_left_radius: "(".concat(CssProp.B.length, "|").concat(CssProp.B.percentage, ")(\\s*(").concat(CssProp.B.length, "|").concat(CssProp.B.percentage, "))?"),
  border_bottom_width: CssProp.C.border_width,
  border_left_style: CssProp.A.border_style,
  border_right_style: CssProp.A.border_style,
  border_top: "((".concat(CssProp.C.border_width, "|").concat(CssProp.A.border_style, "|").concat(CssProp.C.color, ")\\s*){1,3}"),
  bottom: "".concat(CssProp.B.len_or_perc, "|auto"),
  list_style: "((".concat(CssProp.AP.list_style_type, "|").concat(CssProp.AP.list_style_position, "|").concat(CssProp.C.image, "|none})\\s*){1,3}"),
  margin_top: CssProp.C.margin_width,
  outline: "((".concat(CssProp.C.color, "|invert|").concat(CssProp.A.border_style, "|").concat(CssProp.C.border_width, ")\\s*){1,3}"),
  overflow_y: CssProp.AP.overflow_x,
  pitch: "".concat(CssProp.B.frequency, "|x-low|low|medium|high|x-high"),
  vertical_align: "baseline|sub|super|top|text-top|middle|bottom|text-bottom|".concat(CssProp.B.len_or_perc),
  word_spacing: "normal|".concat(CssProp.B.length),
  background_image: "".concat(CssProp.C.bg_image, "(,\\s*").concat(CssProp.C.bg_image, ")*"),
  border_bottom_right_radius: "(".concat(CssProp.B.length, "|").concat(CssProp.B.percentage, ")(\\s*(").concat(CssProp.B.length, "|").concat(CssProp.B.percentage, "))?"),
  border_left_width: CssProp.C.border_width,
  border_right_width: CssProp.C.border_width,
  left: "".concat(CssProp.B.len_or_perc, "|auto"),
  margin_bottom: CssProp.C.margin_width,
  pause_after: "".concat(CssProp.B.time, "|").concat(CssProp.B.percentage),
  speech_rate: "".concat(CssProp.N.number, "|x-slow|slow|medium|fast|x-fast|faster|slower"),
  transition_duration: "".concat(CssProp.B.time, "(,\\s*").concat(CssProp.B.time, ")*"),
  border_bottom: "((".concat(CssProp.C.border_width, "|").concat(CssProp.A.border_style, "|").concat(CssProp.C.color, ")\\s*){1,3}"),
  border_right: "((".concat(CssProp.C.border_width, "|").concat(CssProp.A.border_style, "|").concat(CssProp.C.color, ")\\s*){1,3}"),
  margin: "((".concat(CssProp.C.margin_width, ")\\s*){1,4}"),
  padding_left: CssProp.C.padding_width,
  border_left: "((".concat(CssProp.C.border_width, "|").concat(CssProp.A.border_style, "|").concat(CssProp.C.color, ")\\s*){1,3}"),
  quotes: "(".concat(CssProp.B.string, "\\s*").concat(CssProp.B.string, ")+|none"),
  border_top_right_radius: "(".concat(CssProp.B.length, "|").concat(CssProp.B.percentage, ")(\\s*(").concat(CssProp.B.length, "|").concat(CssProp.B.percentage, "))?"),
  min_width: "".concat(CssProp.B.length_pos, "|").concat(CssProp.B.percentage_pos, "|auto")
};
CssProp._CP1 = {
  font: "(((((".concat(CssProp.AP.font_style, "|").concat(CssProp.AP.font_variant, "|").concat(CssProp.AP.font_weight, ")\\s*){1,3})?\\s*(").concat(CssProp._CP.font_size, ")\\s*(\\/\\s*(").concat(CssProp._CP.line_height, "))?\\s+(").concat(CssProp._CP.font_family, "))|caption|icon|menu|message-box|small-caption|status-bar)")
};
CssProp.CP = Object.assign(Object.assign({}, CssProp._CP), CssProp._CP1);
// CSS Property value validation regular expressions for use with sanitize-html
CssProp.BORDER_COLLAPSE = CssProp.reg(CssProp.AP.border_collapse);
CssProp.BOX = CssProp.reg(CssProp.AP.box);
CssProp.BOX_SIZING = CssProp.reg(CssProp.AP.box_sizing);
CssProp.CAPTION_SIDE = CssProp.reg(CssProp.AP.caption_side);
CssProp.CLEAR = CssProp.reg(CssProp.AP.clear);
CssProp.DIRECTION = CssProp.reg(CssProp.AP.direction);
CssProp.EMPTY_CELLS = CssProp.reg(CssProp.AP.empty_cells);
CssProp.FLOAT = CssProp.reg(CssProp.AP["float"]);
CssProp.FONT_STRETCH = CssProp.reg(CssProp.AP.font_stretch);
CssProp.FONT_STYLE = CssProp.reg(CssProp.AP.font_style);
CssProp.FONT_VARIANT = CssProp.reg(CssProp.AP.font_variant);
CssProp.FONT_WEIGHT = CssProp.reg(CssProp.AP.font_weight);
CssProp.LIST_STYLE_POSITION = CssProp.reg(CssProp.AP.list_style_position);
CssProp.LIST_STYLE_TYPE = CssProp.reg(CssProp.AP.list_style_type);
CssProp.OVERFLOW = CssProp.reg(CssProp.AP.overflow);
CssProp.OVERFLOW_WRAP = CssProp.reg(CssProp.AP.overflow_wrap);
CssProp.OVERFLOW_X = CssProp.reg(CssProp.AP.overflow_x);
CssProp.PAGE_BREAK_AFTER = CssProp.reg(CssProp.AP.page_break_after);
CssProp.PAGE_BREAK_BEFORE = CssProp.reg(CssProp.AP.page_break_before);
CssProp.PAGE_BREAK_INSIDE = CssProp.reg(CssProp.AP.page_break_inside);
CssProp.POSITION = CssProp.reg(CssProp.AP.position);
CssProp.RESIZE = CssProp.reg(CssProp.AP.resize);
CssProp.SPEAK = CssProp.reg(CssProp.AP.speak);
CssProp.SPEAK_HEADER = CssProp.reg(CssProp.AP.speak_header);
CssProp.SPEAK_NUMERAL = CssProp.reg(CssProp.AP.speak_numeral);
CssProp.SPEAK_PUNCTUATION = CssProp.reg(CssProp.AP.speak_punctuation);
CssProp.TABLE_LAYOUT = CssProp.reg(CssProp.AP.table_layout);
CssProp.TEXT_ALIGN = CssProp.reg(CssProp.AP.text_align);
CssProp.TEXT_DECORATION = CssProp.reg(CssProp.AP.text_decoration);
CssProp.TEXT_TRANSFORM = CssProp.reg(CssProp.AP.text_transform);
CssProp.TEXT_WRAP = CssProp.reg(CssProp.AP.text_wrap);
CssProp.UNICODE_BIDI = CssProp.reg(CssProp.AP.unicode_bidi);
CssProp.VISIBILITY = CssProp.reg(CssProp.AP.visibility);
CssProp.WHITE_SPACE = CssProp.reg(CssProp.AP.white_space);
CssProp.WORD_BREAK = CssProp.reg(CssProp.AP.word_break);
CssProp.BACKGROUND_ATTACHMENT = CssProp.reg(CssProp.CP.background_attachment);
CssProp.BACKGROUND_COLOR = CssProp.reg(CssProp.CP.background_color);
CssProp.BACKGROUND_ORIGIN = CssProp.reg(CssProp.CP.background_origin);
CssProp.BACKGROUND_REPEAT = CssProp.reg(CssProp.CP.background_repeat);
CssProp.BORDER = CssProp.reg(CssProp.CP.border);
CssProp.BORDER_RADIUS = CssProp.reg(CssProp.CP.border_radius);
CssProp.BORDER_SPACING = CssProp.reg(CssProp.CP.border_spacing);
CssProp.BORDER_TOP_COLOR = CssProp.reg(CssProp.CP.border_top_color);
CssProp.BORDER_TOP_STYLE = CssProp.reg(CssProp.CP.border_top_style);
CssProp.BORDER_WIDTH = CssProp.reg(CssProp.CP.border_width);
CssProp.COLOR = CssProp.reg(CssProp.CP.color);
CssProp.CURSOR = CssProp.reg(CssProp.CP.cursor);
CssProp.DISPLAY = CssProp.reg(CssProp.CP.display);
CssProp.DISPLAY_OUTSIDE = CssProp.reg(CssProp.CP.display_outside);
CssProp.ELEVATION = CssProp.reg(CssProp.CP.elevation);
CssProp.FONT_FAMILY = CssProp.reg(CssProp.CP.font_family);
CssProp.HEIGHT = CssProp.reg(CssProp.CP.height);
CssProp.LETTER_SPACING = CssProp.reg(CssProp.CP.letter_spacing);
CssProp.LIST_STYLE_IMAGE = CssProp.reg(CssProp.CP.list_style_image);
CssProp.MARGIN_RIGHT = CssProp.reg(CssProp.CP.margin_right);
CssProp.MAX_HEIGHT = CssProp.reg(CssProp.CP.max_height);
CssProp.MIN_HEIGHT = CssProp.reg(CssProp.CP.min_height);
CssProp.OPACITY = CssProp.reg(CssProp.CP.opacity);
CssProp.OUTLINE_COLOR = CssProp.reg(CssProp.CP.outline_color);
CssProp.OUTLINE_WIDTH = CssProp.reg(CssProp.CP.outline_width);
CssProp.PADDING = CssProp.reg(CssProp.CP.padding);
CssProp.PADDING_TOP = CssProp.reg(CssProp.CP.padding_top);
CssProp.PITCH_RANGE = CssProp.reg(CssProp.CP.pitch_range);
CssProp.RIGHT = CssProp.reg(CssProp.CP.right);
CssProp.STRESS = CssProp.reg(CssProp.CP.stress);
CssProp.TEXT_INDENT = CssProp.reg(CssProp.CP.text_indent);
CssProp.TEXT_SHADOW = CssProp.reg(CssProp.CP.text_shadow);
CssProp.VOLUME = CssProp.reg(CssProp.CP.volume);
CssProp.WORD_WRAP = CssProp.reg(CssProp.CP.word_wrap);
CssProp.ZOOM = CssProp.reg(CssProp.CP.zoom);
CssProp.BACKFACE_VISIBILITY = CssProp.reg(CssProp.CP.backface_visibility);
CssProp.BACKGROUND_CLIP = CssProp.reg(CssProp.CP.background_clip);
CssProp.BACKGROUND_POSITION = CssProp.reg(CssProp.CP.background_position);
CssProp.BORDER_BOTTOM_COLOR = CssProp.reg(CssProp.CP.border_bottom_color);
CssProp.BORDER_BOTTOM_STYLE = CssProp.reg(CssProp.CP.border_bottom_style);
CssProp.BORDER_COLOR = CssProp.reg(CssProp.CP.border_color);
CssProp.BORDER_LEFT_COLOR = CssProp.reg(CssProp.CP.border_left_color);
CssProp.BORDER_RIGHT_COLOR = CssProp.reg(CssProp.CP.border_right_color);
CssProp.BORDER_STYLE = CssProp.reg(CssProp.CP.border_style);
CssProp.BORDER_TOP_LEFT_RADIUS = CssProp.reg(CssProp.CP.border_top_left_radius);
CssProp.BORDER_TOP_WIDTH = CssProp.reg(CssProp.CP.border_top_width);
CssProp.BOX_SHADOW = CssProp.reg(CssProp.CP.box_shadow);
CssProp.CLIP = CssProp.reg(CssProp.CP.clip);
CssProp.DISPLAY_INSIDE = CssProp.reg(CssProp.CP.display_inside);
CssProp.FONT_SIZE = CssProp.reg(CssProp.CP.font_size);
CssProp.LINE_HEIGHT = CssProp.reg(CssProp.CP.line_height);
CssProp.MARGIN_LEFT = CssProp.reg(CssProp.CP.margin_left);
CssProp.MAX_WIDTH = CssProp.reg(CssProp.CP.max_width);
CssProp.OUTLINE_STYLE = CssProp.reg(CssProp.CP.outline_style);
CssProp.PADDING_BOTTOM = CssProp.reg(CssProp.CP.padding_bottom);
CssProp.PADDING_RIGHT = CssProp.reg(CssProp.CP.padding_right);
CssProp.PERSPECTIVE = CssProp.reg(CssProp.CP.perspective);
CssProp.RICHNESS = CssProp.reg(CssProp.CP.richness);
CssProp.TEXT_OVERFLOW = CssProp.reg(CssProp.CP.text_overflow);
CssProp.TOP = CssProp.reg(CssProp.CP.top);
CssProp.WIDTH = CssProp.reg(CssProp.CP.width);
CssProp.Z_INDEX = CssProp.reg(CssProp.CP.z_index);
CssProp.BACKGROUND = CssProp.reg(CssProp.CP.background);
CssProp.BACKGROUND_SIZE = CssProp.reg(CssProp.CP.background_size);
CssProp.BORDER_BOTTOM_LEFT_RADIUS = CssProp.reg(CssProp.CP.border_bottom_left_radius);
CssProp.BORDER_BOTTOM_WIDTH = CssProp.reg(CssProp.CP.border_bottom_width);
CssProp.BORDER_LEFT_STYLE = CssProp.reg(CssProp.CP.border_left_style);
CssProp.BORDER_RIGHT_STYLE = CssProp.reg(CssProp.CP.border_right_style);
CssProp.BORDER_TOP = CssProp.reg(CssProp.CP.border_top);
CssProp.BOTTOM = CssProp.reg(CssProp.CP.bottom);
CssProp.LIST_STYLE = CssProp.reg(CssProp.CP.list_style);
CssProp.MARGIN_TOP = CssProp.reg(CssProp.CP.margin_top);
CssProp.OUTLINE = CssProp.reg(CssProp.CP.outline);
CssProp.OVERFLOW_Y = CssProp.reg(CssProp.CP.overflow_y);
CssProp.PITCH = CssProp.reg(CssProp.CP.pitch);
CssProp.VERTICAL_ALIGN = CssProp.reg(CssProp.CP.vertical_align);
CssProp.WORD_SPACING = CssProp.reg(CssProp.CP.word_spacing);
CssProp.BACKGROUND_IMAGE = CssProp.reg(CssProp.CP.background_image);
CssProp.BORDER_BOTTOM_RIGHT_RADIUS = CssProp.reg(CssProp.CP.border_bottom_right_radius);
CssProp.BORDER_LEFT_WIDTH = CssProp.reg(CssProp.CP.border_left_width);
CssProp.BORDER_RIGHT_WIDTH = CssProp.reg(CssProp.CP.border_right_width);
CssProp.LEFT = CssProp.reg(CssProp.CP.left);
CssProp.MARGIN_BOTTOM = CssProp.reg(CssProp.CP.margin_bottom);
CssProp.PAUSE_AFTER = CssProp.reg(CssProp.CP.pause_after);
CssProp.SPEECH_RATE = CssProp.reg(CssProp.CP.speech_rate);
CssProp.TRANSITION_DURATION = CssProp.reg(CssProp.CP.transition_duration);
CssProp.BORDER_BOTTOM = CssProp.reg(CssProp.CP.border_bottom);
CssProp.BORDER_RIGHT = CssProp.reg(CssProp.CP.border_right);
CssProp.MARGIN = CssProp.reg(CssProp.CP.margin);
CssProp.PADDING_LEFT = CssProp.reg(CssProp.CP.padding_left);
CssProp.BORDER_LEFT = CssProp.reg(CssProp.CP.border_left);
CssProp.FONT = CssProp.reg(CssProp.CP.font);
CssProp.QUOTES = CssProp.reg(CssProp.CP.quotes);
CssProp.BORDER_TOP_RIGHT_RADIUS = CssProp.reg(CssProp.CP.border_top_right_radius);
CssProp.MIN_WIDTH = CssProp.reg(CssProp.CP.min_width);
/**
 * A class to sanitize HTML strings.
 */
var Sanitizer = /*#__PURE__*/function () {
  function Sanitizer() {
    _classCallCheck(this, Sanitizer);
    this._options = {
      // HTML tags that are allowed to be used. Tags were extracted from Google Caja
      allowedTags: ['a', 'abbr', 'acronym', 'address', 'area', 'article', 'aside', 'audio', 'b', 'bdi', 'bdo', 'big', 'blockquote', 'br', 'button', 'canvas', 'caption', 'center', 'cite', 'code', 'col', 'colgroup', 'colspan', 'command', 'data', 'datalist', 'dd', 'del', 'details', 'dfn', 'dir', 'div', 'dl', 'dt', 'em', 'fieldset', 'figcaption', 'figure', 'font', 'footer', 'form', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'header', 'hgroup', 'hr', 'i',
      // 'iframe' is allowed by Google Caja, but disallowed by default by sanitize-html
      // , 'iframe'
      'img', 'input', 'ins', 'kbd', 'label', 'legend', 'li', 'map', 'mark', 'menu', 'meter', 'nav', 'nobr', 'ol', 'optgroup', 'option', 'output', 'p', 'pre', 'progress', 'q', 'rowspan', 's', 'samp', 'section', 'select', 'small', 'source', 'span', 'strike', 'strong', 'sub', 'summary', 'sup', 'table', 'tbody', 'td', 'textarea', 'tfoot', 'th', 'thead', 'time', 'tr', 'track', 'tt', 'u', 'ul', 'var', 'video', 'wbr'],
      // Attributes that HTML tags are allowed to have, extracted from Google Caja.
      // See https://github.com/jupyterlab/jupyterlab/issues/1812#issuecomment-285848435
      allowedAttributes: {
        '*': ['class', 'dir', 'draggable', 'hidden', 'id', 'inert', 'itemprop', 'itemref', 'itemscope', 'lang', 'spellcheck', 'style', 'title', 'translate'],
        // 'rel' and 'target' were *not* allowed by Google Caja
        a: ['accesskey', 'coords', 'href', 'hreflang', 'name', 'rel', 'shape', 'tabindex', 'target', 'type'],
        area: ['accesskey', 'alt', 'coords', 'href', 'nohref', 'shape', 'tabindex'],
        // 'autoplay' was *not* allowed by Google Caja
        audio: ['autoplay', 'controls', 'loop', 'mediagroup', 'muted', 'preload', 'src'],
        bdo: ['dir'],
        blockquote: ['cite'],
        br: ['clear'],
        button: ['accesskey', 'data-commandlinker-args', 'data-commandlinker-command', 'disabled', 'name', 'tabindex', 'type', 'value'],
        canvas: ['height', 'width'],
        caption: ['align'],
        col: ['align', 'char', 'charoff', 'span', 'valign', 'width'],
        colgroup: ['align', 'char', 'charoff', 'span', 'valign', 'width'],
        command: ['checked', 'command', 'disabled', 'icon', 'label', 'radiogroup', 'type'],
        data: ['value'],
        del: ['cite', 'datetime'],
        details: ['open'],
        dir: ['compact'],
        div: ['align'],
        dl: ['compact'],
        fieldset: ['disabled'],
        font: ['color', 'face', 'size'],
        form: ['accept', 'autocomplete', 'enctype', 'method', 'name', 'novalidate'],
        h1: ['align'],
        h2: ['align'],
        h3: ['align'],
        h4: ['align'],
        h5: ['align'],
        h6: ['align'],
        hr: ['align', 'noshade', 'size', 'width'],
        iframe: ['align', 'frameborder', 'height', 'marginheight', 'marginwidth', 'width'],
        img: ['align', 'alt', 'border', 'height', 'hspace', 'ismap', 'name', 'src', 'usemap', 'vspace', 'width'],
        input: ['accept', 'accesskey', 'align', 'alt', 'autocomplete', 'checked', 'disabled', 'inputmode', 'ismap', 'list', 'max', 'maxlength', 'min', 'multiple', 'name', 'placeholder', 'readonly', 'required', 'size', 'src', 'step', 'tabindex', 'type', 'usemap', 'value'],
        ins: ['cite', 'datetime'],
        label: ['accesskey', 'for'],
        legend: ['accesskey', 'align'],
        li: ['type', 'value'],
        map: ['name'],
        menu: ['compact', 'label', 'type'],
        meter: ['high', 'low', 'max', 'min', 'value'],
        ol: ['compact', 'reversed', 'start', 'type'],
        optgroup: ['disabled', 'label'],
        option: ['disabled', 'label', 'selected', 'value'],
        output: ['for', 'name'],
        p: ['align'],
        pre: ['width'],
        progress: ['max', 'min', 'value'],
        q: ['cite'],
        select: ['autocomplete', 'disabled', 'multiple', 'name', 'required', 'size', 'tabindex'],
        source: ['type'],
        table: ['align', 'bgcolor', 'border', 'cellpadding', 'cellspacing', 'frame', 'rules', 'summary', 'width'],
        tbody: ['align', 'char', 'charoff', 'valign'],
        td: ['abbr', 'align', 'axis', 'bgcolor', 'char', 'charoff', 'colspan', 'headers', 'height', 'nowrap', 'rowspan', 'scope', 'valign', 'width'],
        textarea: ['accesskey', 'autocomplete', 'cols', 'disabled', 'inputmode', 'name', 'placeholder', 'readonly', 'required', 'rows', 'tabindex', 'wrap'],
        tfoot: ['align', 'char', 'charoff', 'valign'],
        th: ['abbr', 'align', 'axis', 'bgcolor', 'char', 'charoff', 'colspan', 'headers', 'height', 'nowrap', 'rowspan', 'scope', 'valign', 'width'],
        thead: ['align', 'char', 'charoff', 'valign'],
        tr: ['align', 'bgcolor', 'char', 'charoff', 'valign'],
        track: ['default', 'kind', 'label', 'srclang'],
        ul: ['compact', 'type'],
        video: ['autoplay', 'controls', 'height', 'loop', 'mediagroup', 'muted', 'poster', 'preload', 'src', 'width']
      },
      // Inline CSS styles that HTML tags may have (and their allowed values)
      allowedStyles: {
        // To simplify the data, all styles are allowed on all tags that allow the style attribute
        '*': {
          'backface-visibility': [CssProp.BACKFACE_VISIBILITY],
          background: [CssProp.BACKGROUND],
          'background-attachment': [CssProp.BACKGROUND_ATTACHMENT],
          'background-clip': [CssProp.BACKGROUND_CLIP],
          'background-color': [CssProp.BACKGROUND_COLOR],
          'background-image': [CssProp.BACKGROUND_IMAGE],
          'background-origin': [CssProp.BACKGROUND_ORIGIN],
          'background-position': [CssProp.BACKGROUND_POSITION],
          'background-repeat': [CssProp.BACKGROUND_REPEAT],
          'background-size': [CssProp.BACKGROUND_SIZE],
          border: [CssProp.BORDER],
          'border-bottom': [CssProp.BORDER_BOTTOM],
          'border-bottom-color': [CssProp.BORDER_BOTTOM_COLOR],
          'border-bottom-left-radius': [CssProp.BORDER_BOTTOM_LEFT_RADIUS],
          'border-bottom-right-radius': [CssProp.BORDER_BOTTOM_RIGHT_RADIUS],
          'border-bottom-style': [CssProp.BORDER_BOTTOM_STYLE],
          'border-bottom-width': [CssProp.BORDER_BOTTOM_WIDTH],
          'border-collapse': [CssProp.BORDER_COLLAPSE],
          'border-color': [CssProp.BORDER_COLOR],
          'border-left': [CssProp.BORDER_LEFT],
          'border-left-color': [CssProp.BORDER_LEFT_COLOR],
          'border-left-style': [CssProp.BORDER_LEFT_STYLE],
          'border-left-width': [CssProp.BORDER_LEFT_WIDTH],
          'border-radius': [CssProp.BORDER_RADIUS],
          'border-right': [CssProp.BORDER_RIGHT],
          'border-right-color': [CssProp.BORDER_RIGHT_COLOR],
          'border-right-style': [CssProp.BORDER_RIGHT_STYLE],
          'border-right-width': [CssProp.BORDER_RIGHT_WIDTH],
          'border-spacing': [CssProp.BORDER_SPACING],
          'border-style': [CssProp.BORDER_STYLE],
          'border-top': [CssProp.BORDER_TOP],
          'border-top-color': [CssProp.BORDER_TOP_COLOR],
          'border-top-left-radius': [CssProp.BORDER_TOP_LEFT_RADIUS],
          'border-top-right-radius': [CssProp.BORDER_TOP_RIGHT_RADIUS],
          'border-top-style': [CssProp.BORDER_TOP_STYLE],
          'border-top-width': [CssProp.BORDER_TOP_WIDTH],
          'border-width': [CssProp.BORDER_WIDTH],
          bottom: [CssProp.BOTTOM],
          box: [CssProp.BOX],
          'box-shadow': [CssProp.BOX_SHADOW],
          'box-sizing': [CssProp.BOX_SIZING],
          'caption-side': [CssProp.CAPTION_SIDE],
          clear: [CssProp.CLEAR],
          clip: [CssProp.CLIP],
          color: [CssProp.COLOR],
          cursor: [CssProp.CURSOR],
          direction: [CssProp.DIRECTION],
          display: [CssProp.DISPLAY],
          'display-inside': [CssProp.DISPLAY_INSIDE],
          'display-outside': [CssProp.DISPLAY_OUTSIDE],
          elevation: [CssProp.ELEVATION],
          'empty-cells': [CssProp.EMPTY_CELLS],
          "float": [CssProp.FLOAT],
          font: [CssProp.FONT],
          'font-family': [CssProp.FONT_FAMILY],
          'font-size': [CssProp.FONT_SIZE],
          'font-stretch': [CssProp.FONT_STRETCH],
          'font-style': [CssProp.FONT_STYLE],
          'font-variant': [CssProp.FONT_VARIANT],
          'font-weight': [CssProp.FONT_WEIGHT],
          height: [CssProp.HEIGHT],
          left: [CssProp.LEFT],
          'letter-spacing': [CssProp.LETTER_SPACING],
          'line-height': [CssProp.LINE_HEIGHT],
          'list-style': [CssProp.LIST_STYLE],
          'list-style-image': [CssProp.LIST_STYLE_IMAGE],
          'list-style-position': [CssProp.LIST_STYLE_POSITION],
          'list-style-type': [CssProp.LIST_STYLE_TYPE],
          margin: [CssProp.MARGIN],
          'margin-bottom': [CssProp.MARGIN_BOTTOM],
          'margin-left': [CssProp.MARGIN_LEFT],
          'margin-right': [CssProp.MARGIN_RIGHT],
          'margin-top': [CssProp.MARGIN_TOP],
          'max-height': [CssProp.MAX_HEIGHT],
          'max-width': [CssProp.MAX_WIDTH],
          'min-height': [CssProp.MIN_HEIGHT],
          'min-width': [CssProp.MIN_WIDTH],
          opacity: [CssProp.OPACITY],
          outline: [CssProp.OUTLINE],
          'outline-color': [CssProp.OUTLINE_COLOR],
          'outline-style': [CssProp.OUTLINE_STYLE],
          'outline-width': [CssProp.OUTLINE_WIDTH],
          overflow: [CssProp.OVERFLOW],
          'overflow-wrap': [CssProp.OVERFLOW_WRAP],
          'overflow-x': [CssProp.OVERFLOW_X],
          'overflow-y': [CssProp.OVERFLOW_Y],
          padding: [CssProp.PADDING],
          'padding-bottom': [CssProp.PADDING_BOTTOM],
          'padding-left': [CssProp.PADDING_LEFT],
          'padding-right': [CssProp.PADDING_RIGHT],
          'padding-top': [CssProp.PADDING_TOP],
          'page-break-after': [CssProp.PAGE_BREAK_AFTER],
          'page-break-before': [CssProp.PAGE_BREAK_BEFORE],
          'page-break-inside': [CssProp.PAGE_BREAK_INSIDE],
          'pause-after': [CssProp.PAUSE_AFTER],
          perspective: [CssProp.PERSPECTIVE],
          pitch: [CssProp.PITCH],
          'pitch-range': [CssProp.PITCH_RANGE],
          position: [CssProp.POSITION],
          quotes: [CssProp.QUOTES],
          resize: [CssProp.RESIZE],
          richness: [CssProp.RICHNESS],
          right: [CssProp.RIGHT],
          speak: [CssProp.SPEAK],
          'speak-header': [CssProp.SPEAK_HEADER],
          'speak-numeral': [CssProp.SPEAK_NUMERAL],
          'speak-punctuation': [CssProp.SPEAK_PUNCTUATION],
          'speech-rate': [CssProp.SPEECH_RATE],
          stress: [CssProp.STRESS],
          'table-layout': [CssProp.TABLE_LAYOUT],
          'text-align': [CssProp.TEXT_ALIGN],
          'text-decoration': [CssProp.TEXT_DECORATION],
          'text-indent': [CssProp.TEXT_INDENT],
          'text-overflow': [CssProp.TEXT_OVERFLOW],
          'text-shadow': [CssProp.TEXT_SHADOW],
          'text-transform': [CssProp.TEXT_TRANSFORM],
          'text-wrap': [CssProp.TEXT_WRAP],
          top: [CssProp.TOP],
          'unicode-bidi': [CssProp.UNICODE_BIDI],
          'vertical-align': [CssProp.VERTICAL_ALIGN],
          visibility: [CssProp.VISIBILITY],
          volume: [CssProp.VOLUME],
          'white-space': [CssProp.WHITE_SPACE],
          width: [CssProp.WIDTH],
          'word-break': [CssProp.WORD_BREAK],
          'word-spacing': [CssProp.WORD_SPACING],
          'word-wrap': [CssProp.WORD_WRAP],
          'z-index': [CssProp.Z_INDEX],
          zoom: [CssProp.ZOOM]
        }
      },
      transformTags: {
        // Set the "rel" attribute for <a> tags to "nofollow".
        a: sanitize_html__WEBPACK_IMPORTED_MODULE_0___default().simpleTransform('a', {
          rel: 'nofollow'
        }),
        // Set the "disabled" attribute for <input> tags.
        input: sanitize_html__WEBPACK_IMPORTED_MODULE_0___default().simpleTransform('input', {
          disabled: 'disabled'
        })
      },
      allowedSchemes: _toConsumableArray((sanitize_html__WEBPACK_IMPORTED_MODULE_0___default().defaults.allowedSchemes)),
      allowedSchemesByTag: {
        // Allow 'attachment:' img src (used for markdown cell attachments).
        img: sanitize_html__WEBPACK_IMPORTED_MODULE_0___default().defaults.allowedSchemes.concat(['attachment'])
      },
      // Override of the default option, so we can skip 'src' attribute validation.
      // 'src' Attributes are validated to be URIs, which does not allow for embedded (image) data.
      // Since embedded data is no longer deemed to be a threat, validation can be skipped.
      // See https://github.com/jupyterlab/jupyterlab/issues/5183
      allowedSchemesAppliedToAttributes: ['href', 'cite']
    };
  }
  /**
   * Sanitize an HTML string.
   *
   * @param dirty - The dirty text.
   *
   * @param options - The optional sanitization options.
   *
   * @returns The sanitized string.
   */
  _createClass(Sanitizer, [{
    key: "sanitize",
    value: function sanitize(dirty, options) {
      return sanitize_html__WEBPACK_IMPORTED_MODULE_0___default()(dirty, Object.assign(Object.assign({}, this._options), options || {}));
    }
    /**
     * Set the allowed schemes
     *
     * @param scheme Allowed schemes
     */
  }, {
    key: "setAllowedSchemes",
    value: function setAllowedSchemes(scheme) {
      // Force copy of `scheme`
      this._options.allowedSchemes = _toConsumableArray(scheme);
    }
  }]);
  return Sanitizer;
}();
/**
 * The default instance of an `ISanitizer` meant for use by user code.
 *
 * @deprecated It will be removed in JupyterLab v4. You should request the `ISanitizer` in
 * your plugin instead.
 */
var defaultSanitizer = new Sanitizer();
})();

/******/ 	return __webpack_exports__;
/******/ })()
;
});;
// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.

define('base/js/security',[
    'jquery',
    'components/sanitizer/index',
], function($, sanitizer) {
    "use strict";

    var noop = function (x) { return x; };
    var defaultSanitizer = sanitizer.defaultSanitizer;

    var sanitize_html = function (html, allow_css) {
        /**
         * sanitize HTML
         * if allow_css is true (default: false), CSS is sanitized as well.
         * otherwise, CSS elements and attributes are simply removed.
         */
         const options = {};
         if (!allow_css) {
             options.allowedStyles = {};
         }
        return defaultSanitizer.sanitize(html, options);
    };

    var sanitize_html_and_parse = function (html, allow_css) {
        /**
         * Sanitize HTML and parse it safely using jQuery.
         *
         * This disable's jQuery's html 'prefilter', which can make invalid
         * HTML valid after the sanitizer has checked it.
         *
         * Returns an array of DOM nodes.
         */
        var sanitized_html = sanitize_html(html, allow_css);
        var prev_htmlPrefilter = $.htmlPrefilter;
        $.htmlPrefilter = function(html) {return html;};  // Don't modify HTML
        try {
            return $.parseHTML(sanitized_html);
        } finally {
            $.htmlPrefilter = prev_htmlPrefilter;  // Set it back again
        }
    };

    var security = {
        sanitize_html_and_parse: sanitize_html_and_parse,
        sanitize_html: sanitize_html
    };

    return security;
});

/**
 * marked - a markdown parser
 * Copyright (c) 2011-2022, Christopher Jeffrey. (MIT Licensed)
 * https://github.com/markedjs/marked
 */

/**
 * DO NOT EDIT THIS FILE
 * The code in this file is generated from files in ./src/
 */

(function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
  typeof define === 'function' && define.amd ? define('components/marked/lib/marked',['exports'], factory) :
  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.marked = {}));
})(this, (function (exports) { 'use strict';

  function _defineProperties(target, props) {
    for (var i = 0; i < props.length; i++) {
      var descriptor = props[i];
      descriptor.enumerable = descriptor.enumerable || false;
      descriptor.configurable = true;
      if ("value" in descriptor) descriptor.writable = true;
      Object.defineProperty(target, descriptor.key, descriptor);
    }
  }

  function _createClass(Constructor, protoProps, staticProps) {
    if (protoProps) _defineProperties(Constructor.prototype, protoProps);
    if (staticProps) _defineProperties(Constructor, staticProps);
    Object.defineProperty(Constructor, "prototype", {
      writable: false
    });
    return Constructor;
  }

  function _unsupportedIterableToArray(o, minLen) {
    if (!o) return;
    if (typeof o === "string") return _arrayLikeToArray(o, minLen);
    var n = Object.prototype.toString.call(o).slice(8, -1);
    if (n === "Object" && o.constructor) n = o.constructor.name;
    if (n === "Map" || n === "Set") return Array.from(o);
    if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen);
  }

  function _arrayLikeToArray(arr, len) {
    if (len == null || len > arr.length) len = arr.length;

    for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i];

    return arr2;
  }

  function _createForOfIteratorHelperLoose(o, allowArrayLike) {
    var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"];
    if (it) return (it = it.call(o)).next.bind(it);

    if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") {
      if (it) o = it;
      var i = 0;
      return function () {
        if (i >= o.length) return {
          done: true
        };
        return {
          done: false,
          value: o[i++]
        };
      };
    }

    throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
  }

  function getDefaults() {
    return {
      baseUrl: null,
      breaks: false,
      extensions: null,
      gfm: true,
      headerIds: true,
      headerPrefix: '',
      highlight: null,
      langPrefix: 'language-',
      mangle: true,
      pedantic: false,
      renderer: null,
      sanitize: false,
      sanitizer: null,
      silent: false,
      smartLists: false,
      smartypants: false,
      tokenizer: null,
      walkTokens: null,
      xhtml: false
    };
  }
  exports.defaults = getDefaults();
  function changeDefaults(newDefaults) {
    exports.defaults = newDefaults;
  }

  /**
   * Helpers
   */
  var escapeTest = /[&<>"']/;
  var escapeReplace = /[&<>"']/g;
  var escapeTestNoEncode = /[<>"']|&(?!#?\w+;)/;
  var escapeReplaceNoEncode = /[<>"']|&(?!#?\w+;)/g;
  var escapeReplacements = {
    '&': '&amp;',
    '<': '&lt;',
    '>': '&gt;',
    '"': '&quot;',
    "'": '&#39;'
  };

  var getEscapeReplacement = function getEscapeReplacement(ch) {
    return escapeReplacements[ch];
  };

  function escape(html, encode) {
    if (encode) {
      if (escapeTest.test(html)) {
        return html.replace(escapeReplace, getEscapeReplacement);
      }
    } else {
      if (escapeTestNoEncode.test(html)) {
        return html.replace(escapeReplaceNoEncode, getEscapeReplacement);
      }
    }

    return html;
  }
  var unescapeTest = /&(#(?:\d+)|(?:#x[0-9A-Fa-f]+)|(?:\w+));?/ig;
  /**
   * @param {string} html
   */

  function unescape(html) {
    // explicitly match decimal, hex, and named HTML entities
    return html.replace(unescapeTest, function (_, n) {
      n = n.toLowerCase();
      if (n === 'colon') return ':';

      if (n.charAt(0) === '#') {
        return n.charAt(1) === 'x' ? String.fromCharCode(parseInt(n.substring(2), 16)) : String.fromCharCode(+n.substring(1));
      }

      return '';
    });
  }
  var caret = /(^|[^\[])\^/g;
  /**
   * @param {string | RegExp} regex
   * @param {string} opt
   */

  function edit(regex, opt) {
    regex = typeof regex === 'string' ? regex : regex.source;
    opt = opt || '';
    var obj = {
      replace: function replace(name, val) {
        val = val.source || val;
        val = val.replace(caret, '$1');
        regex = regex.replace(name, val);
        return obj;
      },
      getRegex: function getRegex() {
        return new RegExp(regex, opt);
      }
    };
    return obj;
  }
  var nonWordAndColonTest = /[^\w:]/g;
  var originIndependentUrl = /^$|^[a-z][a-z0-9+.-]*:|^[?#]/i;
  /**
   * @param {boolean} sanitize
   * @param {string} base
   * @param {string} href
   */

  function cleanUrl(sanitize, base, href) {
    if (sanitize) {
      var prot;

      try {
        prot = decodeURIComponent(unescape(href)).replace(nonWordAndColonTest, '').toLowerCase();
      } catch (e) {
        return null;
      }

      if (prot.indexOf('javascript:') === 0 || prot.indexOf('vbscript:') === 0 || prot.indexOf('data:') === 0) {
        return null;
      }
    }

    if (base && !originIndependentUrl.test(href)) {
      href = resolveUrl(base, href);
    }

    try {
      href = encodeURI(href).replace(/%25/g, '%');
    } catch (e) {
      return null;
    }

    return href;
  }
  var baseUrls = {};
  var justDomain = /^[^:]+:\/*[^/]*$/;
  var protocol = /^([^:]+:)[\s\S]*$/;
  var domain = /^([^:]+:\/*[^/]*)[\s\S]*$/;
  /**
   * @param {string} base
   * @param {string} href
   */

  function resolveUrl(base, href) {
    if (!baseUrls[' ' + base]) {
      // we can ignore everything in base after the last slash of its path component,
      // but we might need to add _that_
      // https://tools.ietf.org/html/rfc3986#section-3
      if (justDomain.test(base)) {
        baseUrls[' ' + base] = base + '/';
      } else {
        baseUrls[' ' + base] = rtrim(base, '/', true);
      }
    }

    base = baseUrls[' ' + base];
    var relativeBase = base.indexOf(':') === -1;

    if (href.substring(0, 2) === '//') {
      if (relativeBase) {
        return href;
      }

      return base.replace(protocol, '$1') + href;
    } else if (href.charAt(0) === '/') {
      if (relativeBase) {
        return href;
      }

      return base.replace(domain, '$1') + href;
    } else {
      return base + href;
    }
  }
  var noopTest = {
    exec: function noopTest() {}
  };
  function merge(obj) {
    var i = 1,
        target,
        key;

    for (; i < arguments.length; i++) {
      target = arguments[i];

      for (key in target) {
        if (Object.prototype.hasOwnProperty.call(target, key)) {
          obj[key] = target[key];
        }
      }
    }

    return obj;
  }
  function splitCells(tableRow, count) {
    // ensure that every cell-delimiting pipe has a space
    // before it to distinguish it from an escaped pipe
    var row = tableRow.replace(/\|/g, function (match, offset, str) {
      var escaped = false,
          curr = offset;

      while (--curr >= 0 && str[curr] === '\\') {
        escaped = !escaped;
      }

      if (escaped) {
        // odd number of slashes means | is escaped
        // so we leave it alone
        return '|';
      } else {
        // add space before unescaped |
        return ' |';
      }
    }),
        cells = row.split(/ \|/);
    var i = 0; // First/last cell in a row cannot be empty if it has no leading/trailing pipe

    if (!cells[0].trim()) {
      cells.shift();
    }

    if (cells.length > 0 && !cells[cells.length - 1].trim()) {
      cells.pop();
    }

    if (cells.length > count) {
      cells.splice(count);
    } else {
      while (cells.length < count) {
        cells.push('');
      }
    }

    for (; i < cells.length; i++) {
      // leading or trailing whitespace is ignored per the gfm spec
      cells[i] = cells[i].trim().replace(/\\\|/g, '|');
    }

    return cells;
  }
  /**
   * Remove trailing 'c's. Equivalent to str.replace(/c*$/, '').
   * /c*$/ is vulnerable to REDOS.
   *
   * @param {string} str
   * @param {string} c
   * @param {boolean} invert Remove suffix of non-c chars instead. Default falsey.
   */

  function rtrim(str, c, invert) {
    var l = str.length;

    if (l === 0) {
      return '';
    } // Length of suffix matching the invert condition.


    var suffLen = 0; // Step left until we fail to match the invert condition.

    while (suffLen < l) {
      var currChar = str.charAt(l - suffLen - 1);

      if (currChar === c && !invert) {
        suffLen++;
      } else if (currChar !== c && invert) {
        suffLen++;
      } else {
        break;
      }
    }

    return str.slice(0, l - suffLen);
  }
  function findClosingBracket(str, b) {
    if (str.indexOf(b[1]) === -1) {
      return -1;
    }

    var l = str.length;
    var level = 0,
        i = 0;

    for (; i < l; i++) {
      if (str[i] === '\\') {
        i++;
      } else if (str[i] === b[0]) {
        level++;
      } else if (str[i] === b[1]) {
        level--;

        if (level < 0) {
          return i;
        }
      }
    }

    return -1;
  }
  function checkSanitizeDeprecation(opt) {
    if (opt && opt.sanitize && !opt.silent) {
      console.warn('marked(): sanitize and sanitizer parameters are deprecated since version 0.7.0, should not be used and will be removed in the future. Read more here: https://marked.js.org/#/USING_ADVANCED.md#options');
    }
  } // copied from https://stackoverflow.com/a/5450113/806777

  /**
   * @param {string} pattern
   * @param {number} count
   */

  function repeatString(pattern, count) {
    if (count < 1) {
      return '';
    }

    var result = '';

    while (count > 1) {
      if (count & 1) {
        result += pattern;
      }

      count >>= 1;
      pattern += pattern;
    }

    return result + pattern;
  }

  function outputLink(cap, link, raw, lexer) {
    var href = link.href;
    var title = link.title ? escape(link.title) : null;
    var text = cap[1].replace(/\\([\[\]])/g, '$1');

    if (cap[0].charAt(0) !== '!') {
      lexer.state.inLink = true;
      var token = {
        type: 'link',
        raw: raw,
        href: href,
        title: title,
        text: text,
        tokens: lexer.inlineTokens(text, [])
      };
      lexer.state.inLink = false;
      return token;
    }

    return {
      type: 'image',
      raw: raw,
      href: href,
      title: title,
      text: escape(text)
    };
  }

  function indentCodeCompensation(raw, text) {
    var matchIndentToCode = raw.match(/^(\s+)(?:```)/);

    if (matchIndentToCode === null) {
      return text;
    }

    var indentToCode = matchIndentToCode[1];
    return text.split('\n').map(function (node) {
      var matchIndentInNode = node.match(/^\s+/);

      if (matchIndentInNode === null) {
        return node;
      }

      var indentInNode = matchIndentInNode[0];

      if (indentInNode.length >= indentToCode.length) {
        return node.slice(indentToCode.length);
      }

      return node;
    }).join('\n');
  }
  /**
   * Tokenizer
   */


  var Tokenizer = /*#__PURE__*/function () {
    function Tokenizer(options) {
      this.options = options || exports.defaults;
    }

    var _proto = Tokenizer.prototype;

    _proto.space = function space(src) {
      var cap = this.rules.block.newline.exec(src);

      if (cap && cap[0].length > 0) {
        return {
          type: 'space',
          raw: cap[0]
        };
      }
    };

    _proto.code = function code(src) {
      var cap = this.rules.block.code.exec(src);

      if (cap) {
        var text = cap[0].replace(/^ {1,4}/gm, '');
        return {
          type: 'code',
          raw: cap[0],
          codeBlockStyle: 'indented',
          text: !this.options.pedantic ? rtrim(text, '\n') : text
        };
      }
    };

    _proto.fences = function fences(src) {
      var cap = this.rules.block.fences.exec(src);

      if (cap) {
        var raw = cap[0];
        var text = indentCodeCompensation(raw, cap[3] || '');
        return {
          type: 'code',
          raw: raw,
          lang: cap[2] ? cap[2].trim() : cap[2],
          text: text
        };
      }
    };

    _proto.heading = function heading(src) {
      var cap = this.rules.block.heading.exec(src);

      if (cap) {
        var text = cap[2].trim(); // remove trailing #s

        if (/#$/.test(text)) {
          var trimmed = rtrim(text, '#');

          if (this.options.pedantic) {
            text = trimmed.trim();
          } else if (!trimmed || / $/.test(trimmed)) {
            // CommonMark requires space before trailing #s
            text = trimmed.trim();
          }
        }

        var token = {
          type: 'heading',
          raw: cap[0],
          depth: cap[1].length,
          text: text,
          tokens: []
        };
        this.lexer.inline(token.text, token.tokens);
        return token;
      }
    };

    _proto.hr = function hr(src) {
      var cap = this.rules.block.hr.exec(src);

      if (cap) {
        return {
          type: 'hr',
          raw: cap[0]
        };
      }
    };

    _proto.blockquote = function blockquote(src) {
      var cap = this.rules.block.blockquote.exec(src);

      if (cap) {
        var text = cap[0].replace(/^ *>[ \t]?/gm, '');
        return {
          type: 'blockquote',
          raw: cap[0],
          tokens: this.lexer.blockTokens(text, []),
          text: text
        };
      }
    };

    _proto.list = function list(src) {
      var cap = this.rules.block.list.exec(src);

      if (cap) {
        var raw, istask, ischecked, indent, i, blankLine, endsWithBlankLine, line, nextLine, rawLine, itemContents, endEarly;
        var bull = cap[1].trim();
        var isordered = bull.length > 1;
        var list = {
          type: 'list',
          raw: '',
          ordered: isordered,
          start: isordered ? +bull.slice(0, -1) : '',
          loose: false,
          items: []
        };
        bull = isordered ? "\\d{1,9}\\" + bull.slice(-1) : "\\" + bull;

        if (this.options.pedantic) {
          bull = isordered ? bull : '[*+-]';
        } // Get next list item


        var itemRegex = new RegExp("^( {0,3}" + bull + ")((?:[\t ][^\\n]*)?(?:\\n|$))"); // Check if current bullet point can start a new List Item

        while (src) {
          endEarly = false;

          if (!(cap = itemRegex.exec(src))) {
            break;
          }

          if (this.rules.block.hr.test(src)) {
            // End list if bullet was actually HR (possibly move into itemRegex?)
            break;
          }

          raw = cap[0];
          src = src.substring(raw.length);
          line = cap[2].split('\n', 1)[0];
          nextLine = src.split('\n', 1)[0];

          if (this.options.pedantic) {
            indent = 2;
            itemContents = line.trimLeft();
          } else {
            indent = cap[2].search(/[^ ]/); // Find first non-space char

            indent = indent > 4 ? 1 : indent; // Treat indented code blocks (> 4 spaces) as having only 1 indent

            itemContents = line.slice(indent);
            indent += cap[1].length;
          }

          blankLine = false;

          if (!line && /^ *$/.test(nextLine)) {
            // Items begin with at most one blank line
            raw += nextLine + '\n';
            src = src.substring(nextLine.length + 1);
            endEarly = true;
          }

          if (!endEarly) {
            var nextBulletRegex = new RegExp("^ {0," + Math.min(3, indent - 1) + "}(?:[*+-]|\\d{1,9}[.)])((?: [^\\n]*)?(?:\\n|$))");
            var hrRegex = new RegExp("^ {0," + Math.min(3, indent - 1) + "}((?:- *){3,}|(?:_ *){3,}|(?:\\* *){3,})(?:\\n+|$)");
            var fencesBeginRegex = new RegExp("^ {0," + Math.min(3, indent - 1) + "}(?:```|~~~)");
            var headingBeginRegex = new RegExp("^ {0," + Math.min(3, indent - 1) + "}#"); // Check if following lines should be included in List Item

            while (src) {
              rawLine = src.split('\n', 1)[0];
              line = rawLine; // Re-align to follow commonmark nesting rules

              if (this.options.pedantic) {
                line = line.replace(/^ {1,4}(?=( {4})*[^ ])/g, '  ');
              } // End list item if found code fences


              if (fencesBeginRegex.test(line)) {
                break;
              } // End list item if found start of new heading


              if (headingBeginRegex.test(line)) {
                break;
              } // End list item if found start of new bullet


              if (nextBulletRegex.test(line)) {
                break;
              } // Horizontal rule found


              if (hrRegex.test(src)) {
                break;
              }

              if (line.search(/[^ ]/) >= indent || !line.trim()) {
                // Dedent if possible
                itemContents += '\n' + line.slice(indent);
              } else if (!blankLine) {
                // Until blank line, item doesn't need indentation
                itemContents += '\n' + line;
              } else {
                // Otherwise, improper indentation ends this item
                break;
              }

              if (!blankLine && !line.trim()) {
                // Check if current line is blank
                blankLine = true;
              }

              raw += rawLine + '\n';
              src = src.substring(rawLine.length + 1);
            }
          }

          if (!list.loose) {
            // If the previous item ended with a blank line, the list is loose
            if (endsWithBlankLine) {
              list.loose = true;
            } else if (/\n *\n *$/.test(raw)) {
              endsWithBlankLine = true;
            }
          } // Check for task list items


          if (this.options.gfm) {
            istask = /^\[[ xX]\] /.exec(itemContents);

            if (istask) {
              ischecked = istask[0] !== '[ ] ';
              itemContents = itemContents.replace(/^\[[ xX]\] +/, '');
            }
          }

          list.items.push({
            type: 'list_item',
            raw: raw,
            task: !!istask,
            checked: ischecked,
            loose: false,
            text: itemContents
          });
          list.raw += raw;
        } // Do not consume newlines at end of final item. Alternatively, make itemRegex *start* with any newlines to simplify/speed up endsWithBlankLine logic


        list.items[list.items.length - 1].raw = raw.trimRight();
        list.items[list.items.length - 1].text = itemContents.trimRight();
        list.raw = list.raw.trimRight();
        var l = list.items.length; // Item child tokens handled here at end because we needed to have the final item to trim it first

        for (i = 0; i < l; i++) {
          this.lexer.state.top = false;
          list.items[i].tokens = this.lexer.blockTokens(list.items[i].text, []);
          var spacers = list.items[i].tokens.filter(function (t) {
            return t.type === 'space';
          });
          var hasMultipleLineBreaks = spacers.every(function (t) {
            var chars = t.raw.split('');
            var lineBreaks = 0;

            for (var _iterator = _createForOfIteratorHelperLoose(chars), _step; !(_step = _iterator()).done;) {
              var _char = _step.value;

              if (_char === '\n') {
                lineBreaks += 1;
              }

              if (lineBreaks > 1) {
                return true;
              }
            }

            return false;
          });

          if (!list.loose && spacers.length && hasMultipleLineBreaks) {
            // Having a single line break doesn't mean a list is loose. A single line break is terminating the last list item
            list.loose = true;
            list.items[i].loose = true;
          }
        }

        return list;
      }
    };

    _proto.html = function html(src) {
      var cap = this.rules.block.html.exec(src);

      if (cap) {
        var token = {
          type: 'html',
          raw: cap[0],
          pre: !this.options.sanitizer && (cap[1] === 'pre' || cap[1] === 'script' || cap[1] === 'style'),
          text: cap[0]
        };

        if (this.options.sanitize) {
          token.type = 'paragraph';
          token.text = this.options.sanitizer ? this.options.sanitizer(cap[0]) : escape(cap[0]);
          token.tokens = [];
          this.lexer.inline(token.text, token.tokens);
        }

        return token;
      }
    };

    _proto.def = function def(src) {
      var cap = this.rules.block.def.exec(src);

      if (cap) {
        if (cap[3]) cap[3] = cap[3].substring(1, cap[3].length - 1);
        var tag = cap[1].toLowerCase().replace(/\s+/g, ' ');
        return {
          type: 'def',
          tag: tag,
          raw: cap[0],
          href: cap[2],
          title: cap[3]
        };
      }
    };

    _proto.table = function table(src) {
      var cap = this.rules.block.table.exec(src);

      if (cap) {
        var item = {
          type: 'table',
          header: splitCells(cap[1]).map(function (c) {
            return {
              text: c
            };
          }),
          align: cap[2].replace(/^ *|\| *$/g, '').split(/ *\| */),
          rows: cap[3] && cap[3].trim() ? cap[3].replace(/\n[ \t]*$/, '').split('\n') : []
        };

        if (item.header.length === item.align.length) {
          item.raw = cap[0];
          var l = item.align.length;
          var i, j, k, row;

          for (i = 0; i < l; i++) {
            if (/^ *-+: *$/.test(item.align[i])) {
              item.align[i] = 'right';
            } else if (/^ *:-+: *$/.test(item.align[i])) {
              item.align[i] = 'center';
            } else if (/^ *:-+ *$/.test(item.align[i])) {
              item.align[i] = 'left';
            } else {
              item.align[i] = null;
            }
          }

          l = item.rows.length;

          for (i = 0; i < l; i++) {
            item.rows[i] = splitCells(item.rows[i], item.header.length).map(function (c) {
              return {
                text: c
              };
            });
          } // parse child tokens inside headers and cells
          // header child tokens


          l = item.header.length;

          for (j = 0; j < l; j++) {
            item.header[j].tokens = [];
            this.lexer.inline(item.header[j].text, item.header[j].tokens);
          } // cell child tokens


          l = item.rows.length;

          for (j = 0; j < l; j++) {
            row = item.rows[j];

            for (k = 0; k < row.length; k++) {
              row[k].tokens = [];
              this.lexer.inline(row[k].text, row[k].tokens);
            }
          }

          return item;
        }
      }
    };

    _proto.lheading = function lheading(src) {
      var cap = this.rules.block.lheading.exec(src);

      if (cap) {
        var token = {
          type: 'heading',
          raw: cap[0],
          depth: cap[2].charAt(0) === '=' ? 1 : 2,
          text: cap[1],
          tokens: []
        };
        this.lexer.inline(token.text, token.tokens);
        return token;
      }
    };

    _proto.paragraph = function paragraph(src) {
      var cap = this.rules.block.paragraph.exec(src);

      if (cap) {
        var token = {
          type: 'paragraph',
          raw: cap[0],
          text: cap[1].charAt(cap[1].length - 1) === '\n' ? cap[1].slice(0, -1) : cap[1],
          tokens: []
        };
        this.lexer.inline(token.text, token.tokens);
        return token;
      }
    };

    _proto.text = function text(src) {
      var cap = this.rules.block.text.exec(src);

      if (cap) {
        var token = {
          type: 'text',
          raw: cap[0],
          text: cap[0],
          tokens: []
        };
        this.lexer.inline(token.text, token.tokens);
        return token;
      }
    };

    _proto.escape = function escape$1(src) {
      var cap = this.rules.inline.escape.exec(src);

      if (cap) {
        return {
          type: 'escape',
          raw: cap[0],
          text: escape(cap[1])
        };
      }
    };

    _proto.tag = function tag(src) {
      var cap = this.rules.inline.tag.exec(src);

      if (cap) {
        if (!this.lexer.state.inLink && /^<a /i.test(cap[0])) {
          this.lexer.state.inLink = true;
        } else if (this.lexer.state.inLink && /^<\/a>/i.test(cap[0])) {
          this.lexer.state.inLink = false;
        }

        if (!this.lexer.state.inRawBlock && /^<(pre|code|kbd|script)(\s|>)/i.test(cap[0])) {
          this.lexer.state.inRawBlock = true;
        } else if (this.lexer.state.inRawBlock && /^<\/(pre|code|kbd|script)(\s|>)/i.test(cap[0])) {
          this.lexer.state.inRawBlock = false;
        }

        return {
          type: this.options.sanitize ? 'text' : 'html',
          raw: cap[0],
          inLink: this.lexer.state.inLink,
          inRawBlock: this.lexer.state.inRawBlock,
          text: this.options.sanitize ? this.options.sanitizer ? this.options.sanitizer(cap[0]) : escape(cap[0]) : cap[0]
        };
      }
    };

    _proto.link = function link(src) {
      var cap = this.rules.inline.link.exec(src);

      if (cap) {
        var trimmedUrl = cap[2].trim();

        if (!this.options.pedantic && /^</.test(trimmedUrl)) {
          // commonmark requires matching angle brackets
          if (!/>$/.test(trimmedUrl)) {
            return;
          } // ending angle bracket cannot be escaped


          var rtrimSlash = rtrim(trimmedUrl.slice(0, -1), '\\');

          if ((trimmedUrl.length - rtrimSlash.length) % 2 === 0) {
            return;
          }
        } else {
          // find closing parenthesis
          var lastParenIndex = findClosingBracket(cap[2], '()');

          if (lastParenIndex > -1) {
            var start = cap[0].indexOf('!') === 0 ? 5 : 4;
            var linkLen = start + cap[1].length + lastParenIndex;
            cap[2] = cap[2].substring(0, lastParenIndex);
            cap[0] = cap[0].substring(0, linkLen).trim();
            cap[3] = '';
          }
        }

        var href = cap[2];
        var title = '';

        if (this.options.pedantic) {
          // split pedantic href and title
          var link = /^([^'"]*[^\s])\s+(['"])(.*)\2/.exec(href);

          if (link) {
            href = link[1];
            title = link[3];
          }
        } else {
          title = cap[3] ? cap[3].slice(1, -1) : '';
        }

        href = href.trim();

        if (/^</.test(href)) {
          if (this.options.pedantic && !/>$/.test(trimmedUrl)) {
            // pedantic allows starting angle bracket without ending angle bracket
            href = href.slice(1);
          } else {
            href = href.slice(1, -1);
          }
        }

        return outputLink(cap, {
          href: href ? href.replace(this.rules.inline._escapes, '$1') : href,
          title: title ? title.replace(this.rules.inline._escapes, '$1') : title
        }, cap[0], this.lexer);
      }
    };

    _proto.reflink = function reflink(src, links) {
      var cap;

      if ((cap = this.rules.inline.reflink.exec(src)) || (cap = this.rules.inline.nolink.exec(src))) {
        var link = (cap[2] || cap[1]).replace(/\s+/g, ' ');
        link = links[link.toLowerCase()];

        if (!link || !link.href) {
          var text = cap[0].charAt(0);
          return {
            type: 'text',
            raw: text,
            text: text
          };
        }

        return outputLink(cap, link, cap[0], this.lexer);
      }
    };

    _proto.emStrong = function emStrong(src, maskedSrc, prevChar) {
      if (prevChar === void 0) {
        prevChar = '';
      }

      var match = this.rules.inline.emStrong.lDelim.exec(src);
      if (!match) return; // _ can't be between two alphanumerics. \p{L}\p{N} includes non-english alphabet/numbers as well

      if (match[3] && prevChar.match(/(?:[0-9A-Za-z\xAA\xB2\xB3\xB5\xB9\xBA\xBC-\xBE\xC0-\xD6\xD8-\xF6\xF8-\u02C1\u02C6-\u02D1\u02E0-\u02E4\u02EC\u02EE\u0370-\u0374\u0376\u0377\u037A-\u037D\u037F\u0386\u0388-\u038A\u038C\u038E-\u03A1\u03A3-\u03F5\u03F7-\u0481\u048A-\u052F\u0531-\u0556\u0559\u0560-\u0588\u05D0-\u05EA\u05EF-\u05F2\u0620-\u064A\u0660-\u0669\u066E\u066F\u0671-\u06D3\u06D5\u06E5\u06E6\u06EE-\u06FC\u06FF\u0710\u0712-\u072F\u074D-\u07A5\u07B1\u07C0-\u07EA\u07F4\u07F5\u07FA\u0800-\u0815\u081A\u0824\u0828\u0840-\u0858\u0860-\u086A\u0870-\u0887\u0889-\u088E\u08A0-\u08C9\u0904-\u0939\u093D\u0950\u0958-\u0961\u0966-\u096F\u0971-\u0980\u0985-\u098C\u098F\u0990\u0993-\u09A8\u09AA-\u09B0\u09B2\u09B6-\u09B9\u09BD\u09CE\u09DC\u09DD\u09DF-\u09E1\u09E6-\u09F1\u09F4-\u09F9\u09FC\u0A05-\u0A0A\u0A0F\u0A10\u0A13-\u0A28\u0A2A-\u0A30\u0A32\u0A33\u0A35\u0A36\u0A38\u0A39\u0A59-\u0A5C\u0A5E\u0A66-\u0A6F\u0A72-\u0A74\u0A85-\u0A8D\u0A8F-\u0A91\u0A93-\u0AA8\u0AAA-\u0AB0\u0AB2\u0AB3\u0AB5-\u0AB9\u0ABD\u0AD0\u0AE0\u0AE1\u0AE6-\u0AEF\u0AF9\u0B05-\u0B0C\u0B0F\u0B10\u0B13-\u0B28\u0B2A-\u0B30\u0B32\u0B33\u0B35-\u0B39\u0B3D\u0B5C\u0B5D\u0B5F-\u0B61\u0B66-\u0B6F\u0B71-\u0B77\u0B83\u0B85-\u0B8A\u0B8E-\u0B90\u0B92-\u0B95\u0B99\u0B9A\u0B9C\u0B9E\u0B9F\u0BA3\u0BA4\u0BA8-\u0BAA\u0BAE-\u0BB9\u0BD0\u0BE6-\u0BF2\u0C05-\u0C0C\u0C0E-\u0C10\u0C12-\u0C28\u0C2A-\u0C39\u0C3D\u0C58-\u0C5A\u0C5D\u0C60\u0C61\u0C66-\u0C6F\u0C78-\u0C7E\u0C80\u0C85-\u0C8C\u0C8E-\u0C90\u0C92-\u0CA8\u0CAA-\u0CB3\u0CB5-\u0CB9\u0CBD\u0CDD\u0CDE\u0CE0\u0CE1\u0CE6-\u0CEF\u0CF1\u0CF2\u0D04-\u0D0C\u0D0E-\u0D10\u0D12-\u0D3A\u0D3D\u0D4E\u0D54-\u0D56\u0D58-\u0D61\u0D66-\u0D78\u0D7A-\u0D7F\u0D85-\u0D96\u0D9A-\u0DB1\u0DB3-\u0DBB\u0DBD\u0DC0-\u0DC6\u0DE6-\u0DEF\u0E01-\u0E30\u0E32\u0E33\u0E40-\u0E46\u0E50-\u0E59\u0E81\u0E82\u0E84\u0E86-\u0E8A\u0E8C-\u0EA3\u0EA5\u0EA7-\u0EB0\u0EB2\u0EB3\u0EBD\u0EC0-\u0EC4\u0EC6\u0ED0-\u0ED9\u0EDC-\u0EDF\u0F00\u0F20-\u0F33\u0F40-\u0F47\u0F49-\u0F6C\u0F88-\u0F8C\u1000-\u102A\u103F-\u1049\u1050-\u1055\u105A-\u105D\u1061\u1065\u1066\u106E-\u1070\u1075-\u1081\u108E\u1090-\u1099\u10A0-\u10C5\u10C7\u10CD\u10D0-\u10FA\u10FC-\u1248\u124A-\u124D\u1250-\u1256\u1258\u125A-\u125D\u1260-\u1288\u128A-\u128D\u1290-\u12B0\u12B2-\u12B5\u12B8-\u12BE\u12C0\u12C2-\u12C5\u12C8-\u12D6\u12D8-\u1310\u1312-\u1315\u1318-\u135A\u1369-\u137C\u1380-\u138F\u13A0-\u13F5\u13F8-\u13FD\u1401-\u166C\u166F-\u167F\u1681-\u169A\u16A0-\u16EA\u16EE-\u16F8\u1700-\u1711\u171F-\u1731\u1740-\u1751\u1760-\u176C\u176E-\u1770\u1780-\u17B3\u17D7\u17DC\u17E0-\u17E9\u17F0-\u17F9\u1810-\u1819\u1820-\u1878\u1880-\u1884\u1887-\u18A8\u18AA\u18B0-\u18F5\u1900-\u191E\u1946-\u196D\u1970-\u1974\u1980-\u19AB\u19B0-\u19C9\u19D0-\u19DA\u1A00-\u1A16\u1A20-\u1A54\u1A80-\u1A89\u1A90-\u1A99\u1AA7\u1B05-\u1B33\u1B45-\u1B4C\u1B50-\u1B59\u1B83-\u1BA0\u1BAE-\u1BE5\u1C00-\u1C23\u1C40-\u1C49\u1C4D-\u1C7D\u1C80-\u1C88\u1C90-\u1CBA\u1CBD-\u1CBF\u1CE9-\u1CEC\u1CEE-\u1CF3\u1CF5\u1CF6\u1CFA\u1D00-\u1DBF\u1E00-\u1F15\u1F18-\u1F1D\u1F20-\u1F45\u1F48-\u1F4D\u1F50-\u1F57\u1F59\u1F5B\u1F5D\u1F5F-\u1F7D\u1F80-\u1FB4\u1FB6-\u1FBC\u1FBE\u1FC2-\u1FC4\u1FC6-\u1FCC\u1FD0-\u1FD3\u1FD6-\u1FDB\u1FE0-\u1FEC\u1FF2-\u1FF4\u1FF6-\u1FFC\u2070\u2071\u2074-\u2079\u207F-\u2089\u2090-\u209C\u2102\u2107\u210A-\u2113\u2115\u2119-\u211D\u2124\u2126\u2128\u212A-\u212D\u212F-\u2139\u213C-\u213F\u2145-\u2149\u214E\u2150-\u2189\u2460-\u249B\u24EA-\u24FF\u2776-\u2793\u2C00-\u2CE4\u2CEB-\u2CEE\u2CF2\u2CF3\u2CFD\u2D00-\u2D25\u2D27\u2D2D\u2D30-\u2D67\u2D6F\u2D80-\u2D96\u2DA0-\u2DA6\u2DA8-\u2DAE\u2DB0-\u2DB6\u2DB8-\u2DBE\u2DC0-\u2DC6\u2DC8-\u2DCE\u2DD0-\u2DD6\u2DD8-\u2DDE\u2E2F\u3005-\u3007\u3021-\u3029\u3031-\u3035\u3038-\u303C\u3041-\u3096\u309D-\u309F\u30A1-\u30FA\u30FC-\u30FF\u3105-\u312F\u3131-\u318E\u3192-\u3195\u31A0-\u31BF\u31F0-\u31FF\u3220-\u3229\u3248-\u324F\u3251-\u325F\u3280-\u3289\u32B1-\u32BF\u3400-\u4DBF\u4E00-\uA48C\uA4D0-\uA4FD\uA500-\uA60C\uA610-\uA62B\uA640-\uA66E\uA67F-\uA69D\uA6A0-\uA6EF\uA717-\uA71F\uA722-\uA788\uA78B-\uA7CA\uA7D0\uA7D1\uA7D3\uA7D5-\uA7D9\uA7F2-\uA801\uA803-\uA805\uA807-\uA80A\uA80C-\uA822\uA830-\uA835\uA840-\uA873\uA882-\uA8B3\uA8D0-\uA8D9\uA8F2-\uA8F7\uA8FB\uA8FD\uA8FE\uA900-\uA925\uA930-\uA946\uA960-\uA97C\uA984-\uA9B2\uA9CF-\uA9D9\uA9E0-\uA9E4\uA9E6-\uA9FE\uAA00-\uAA28\uAA40-\uAA42\uAA44-\uAA4B\uAA50-\uAA59\uAA60-\uAA76\uAA7A\uAA7E-\uAAAF\uAAB1\uAAB5\uAAB6\uAAB9-\uAABD\uAAC0\uAAC2\uAADB-\uAADD\uAAE0-\uAAEA\uAAF2-\uAAF4\uAB01-\uAB06\uAB09-\uAB0E\uAB11-\uAB16\uAB20-\uAB26\uAB28-\uAB2E\uAB30-\uAB5A\uAB5C-\uAB69\uAB70-\uABE2\uABF0-\uABF9\uAC00-\uD7A3\uD7B0-\uD7C6\uD7CB-\uD7FB\uF900-\uFA6D\uFA70-\uFAD9\uFB00-\uFB06\uFB13-\uFB17\uFB1D\uFB1F-\uFB28\uFB2A-\uFB36\uFB38-\uFB3C\uFB3E\uFB40\uFB41\uFB43\uFB44\uFB46-\uFBB1\uFBD3-\uFD3D\uFD50-\uFD8F\uFD92-\uFDC7\uFDF0-\uFDFB\uFE70-\uFE74\uFE76-\uFEFC\uFF10-\uFF19\uFF21-\uFF3A\uFF41-\uFF5A\uFF66-\uFFBE\uFFC2-\uFFC7\uFFCA-\uFFCF\uFFD2-\uFFD7\uFFDA-\uFFDC]|\uD800[\uDC00-\uDC0B\uDC0D-\uDC26\uDC28-\uDC3A\uDC3C\uDC3D\uDC3F-\uDC4D\uDC50-\uDC5D\uDC80-\uDCFA\uDD07-\uDD33\uDD40-\uDD78\uDD8A\uDD8B\uDE80-\uDE9C\uDEA0-\uDED0\uDEE1-\uDEFB\uDF00-\uDF23\uDF2D-\uDF4A\uDF50-\uDF75\uDF80-\uDF9D\uDFA0-\uDFC3\uDFC8-\uDFCF\uDFD1-\uDFD5]|\uD801[\uDC00-\uDC9D\uDCA0-\uDCA9\uDCB0-\uDCD3\uDCD8-\uDCFB\uDD00-\uDD27\uDD30-\uDD63\uDD70-\uDD7A\uDD7C-\uDD8A\uDD8C-\uDD92\uDD94\uDD95\uDD97-\uDDA1\uDDA3-\uDDB1\uDDB3-\uDDB9\uDDBB\uDDBC\uDE00-\uDF36\uDF40-\uDF55\uDF60-\uDF67\uDF80-\uDF85\uDF87-\uDFB0\uDFB2-\uDFBA]|\uD802[\uDC00-\uDC05\uDC08\uDC0A-\uDC35\uDC37\uDC38\uDC3C\uDC3F-\uDC55\uDC58-\uDC76\uDC79-\uDC9E\uDCA7-\uDCAF\uDCE0-\uDCF2\uDCF4\uDCF5\uDCFB-\uDD1B\uDD20-\uDD39\uDD80-\uDDB7\uDDBC-\uDDCF\uDDD2-\uDE00\uDE10-\uDE13\uDE15-\uDE17\uDE19-\uDE35\uDE40-\uDE48\uDE60-\uDE7E\uDE80-\uDE9F\uDEC0-\uDEC7\uDEC9-\uDEE4\uDEEB-\uDEEF\uDF00-\uDF35\uDF40-\uDF55\uDF58-\uDF72\uDF78-\uDF91\uDFA9-\uDFAF]|\uD803[\uDC00-\uDC48\uDC80-\uDCB2\uDCC0-\uDCF2\uDCFA-\uDD23\uDD30-\uDD39\uDE60-\uDE7E\uDE80-\uDEA9\uDEB0\uDEB1\uDF00-\uDF27\uDF30-\uDF45\uDF51-\uDF54\uDF70-\uDF81\uDFB0-\uDFCB\uDFE0-\uDFF6]|\uD804[\uDC03-\uDC37\uDC52-\uDC6F\uDC71\uDC72\uDC75\uDC83-\uDCAF\uDCD0-\uDCE8\uDCF0-\uDCF9\uDD03-\uDD26\uDD36-\uDD3F\uDD44\uDD47\uDD50-\uDD72\uDD76\uDD83-\uDDB2\uDDC1-\uDDC4\uDDD0-\uDDDA\uDDDC\uDDE1-\uDDF4\uDE00-\uDE11\uDE13-\uDE2B\uDE80-\uDE86\uDE88\uDE8A-\uDE8D\uDE8F-\uDE9D\uDE9F-\uDEA8\uDEB0-\uDEDE\uDEF0-\uDEF9\uDF05-\uDF0C\uDF0F\uDF10\uDF13-\uDF28\uDF2A-\uDF30\uDF32\uDF33\uDF35-\uDF39\uDF3D\uDF50\uDF5D-\uDF61]|\uD805[\uDC00-\uDC34\uDC47-\uDC4A\uDC50-\uDC59\uDC5F-\uDC61\uDC80-\uDCAF\uDCC4\uDCC5\uDCC7\uDCD0-\uDCD9\uDD80-\uDDAE\uDDD8-\uDDDB\uDE00-\uDE2F\uDE44\uDE50-\uDE59\uDE80-\uDEAA\uDEB8\uDEC0-\uDEC9\uDF00-\uDF1A\uDF30-\uDF3B\uDF40-\uDF46]|\uD806[\uDC00-\uDC2B\uDCA0-\uDCF2\uDCFF-\uDD06\uDD09\uDD0C-\uDD13\uDD15\uDD16\uDD18-\uDD2F\uDD3F\uDD41\uDD50-\uDD59\uDDA0-\uDDA7\uDDAA-\uDDD0\uDDE1\uDDE3\uDE00\uDE0B-\uDE32\uDE3A\uDE50\uDE5C-\uDE89\uDE9D\uDEB0-\uDEF8]|\uD807[\uDC00-\uDC08\uDC0A-\uDC2E\uDC40\uDC50-\uDC6C\uDC72-\uDC8F\uDD00-\uDD06\uDD08\uDD09\uDD0B-\uDD30\uDD46\uDD50-\uDD59\uDD60-\uDD65\uDD67\uDD68\uDD6A-\uDD89\uDD98\uDDA0-\uDDA9\uDEE0-\uDEF2\uDFB0\uDFC0-\uDFD4]|\uD808[\uDC00-\uDF99]|\uD809[\uDC00-\uDC6E\uDC80-\uDD43]|\uD80B[\uDF90-\uDFF0]|[\uD80C\uD81C-\uD820\uD822\uD840-\uD868\uD86A-\uD86C\uD86F-\uD872\uD874-\uD879\uD880-\uD883][\uDC00-\uDFFF]|\uD80D[\uDC00-\uDC2E]|\uD811[\uDC00-\uDE46]|\uD81A[\uDC00-\uDE38\uDE40-\uDE5E\uDE60-\uDE69\uDE70-\uDEBE\uDEC0-\uDEC9\uDED0-\uDEED\uDF00-\uDF2F\uDF40-\uDF43\uDF50-\uDF59\uDF5B-\uDF61\uDF63-\uDF77\uDF7D-\uDF8F]|\uD81B[\uDE40-\uDE96\uDF00-\uDF4A\uDF50\uDF93-\uDF9F\uDFE0\uDFE1\uDFE3]|\uD821[\uDC00-\uDFF7]|\uD823[\uDC00-\uDCD5\uDD00-\uDD08]|\uD82B[\uDFF0-\uDFF3\uDFF5-\uDFFB\uDFFD\uDFFE]|\uD82C[\uDC00-\uDD22\uDD50-\uDD52\uDD64-\uDD67\uDD70-\uDEFB]|\uD82F[\uDC00-\uDC6A\uDC70-\uDC7C\uDC80-\uDC88\uDC90-\uDC99]|\uD834[\uDEE0-\uDEF3\uDF60-\uDF78]|\uD835[\uDC00-\uDC54\uDC56-\uDC9C\uDC9E\uDC9F\uDCA2\uDCA5\uDCA6\uDCA9-\uDCAC\uDCAE-\uDCB9\uDCBB\uDCBD-\uDCC3\uDCC5-\uDD05\uDD07-\uDD0A\uDD0D-\uDD14\uDD16-\uDD1C\uDD1E-\uDD39\uDD3B-\uDD3E\uDD40-\uDD44\uDD46\uDD4A-\uDD50\uDD52-\uDEA5\uDEA8-\uDEC0\uDEC2-\uDEDA\uDEDC-\uDEFA\uDEFC-\uDF14\uDF16-\uDF34\uDF36-\uDF4E\uDF50-\uDF6E\uDF70-\uDF88\uDF8A-\uDFA8\uDFAA-\uDFC2\uDFC4-\uDFCB\uDFCE-\uDFFF]|\uD837[\uDF00-\uDF1E]|\uD838[\uDD00-\uDD2C\uDD37-\uDD3D\uDD40-\uDD49\uDD4E\uDE90-\uDEAD\uDEC0-\uDEEB\uDEF0-\uDEF9]|\uD839[\uDFE0-\uDFE6\uDFE8-\uDFEB\uDFED\uDFEE\uDFF0-\uDFFE]|\uD83A[\uDC00-\uDCC4\uDCC7-\uDCCF\uDD00-\uDD43\uDD4B\uDD50-\uDD59]|\uD83B[\uDC71-\uDCAB\uDCAD-\uDCAF\uDCB1-\uDCB4\uDD01-\uDD2D\uDD2F-\uDD3D\uDE00-\uDE03\uDE05-\uDE1F\uDE21\uDE22\uDE24\uDE27\uDE29-\uDE32\uDE34-\uDE37\uDE39\uDE3B\uDE42\uDE47\uDE49\uDE4B\uDE4D-\uDE4F\uDE51\uDE52\uDE54\uDE57\uDE59\uDE5B\uDE5D\uDE5F\uDE61\uDE62\uDE64\uDE67-\uDE6A\uDE6C-\uDE72\uDE74-\uDE77\uDE79-\uDE7C\uDE7E\uDE80-\uDE89\uDE8B-\uDE9B\uDEA1-\uDEA3\uDEA5-\uDEA9\uDEAB-\uDEBB]|\uD83C[\uDD00-\uDD0C]|\uD83E[\uDFF0-\uDFF9]|\uD869[\uDC00-\uDEDF\uDF00-\uDFFF]|\uD86D[\uDC00-\uDF38\uDF40-\uDFFF]|\uD86E[\uDC00-\uDC1D\uDC20-\uDFFF]|\uD873[\uDC00-\uDEA1\uDEB0-\uDFFF]|\uD87A[\uDC00-\uDFE0]|\uD87E[\uDC00-\uDE1D]|\uD884[\uDC00-\uDF4A])/)) return;
      var nextChar = match[1] || match[2] || '';

      if (!nextChar || nextChar && (prevChar === '' || this.rules.inline.punctuation.exec(prevChar))) {
        var lLength = match[0].length - 1;
        var rDelim,
            rLength,
            delimTotal = lLength,
            midDelimTotal = 0;
        var endReg = match[0][0] === '*' ? this.rules.inline.emStrong.rDelimAst : this.rules.inline.emStrong.rDelimUnd;
        endReg.lastIndex = 0; // Clip maskedSrc to same section of string as src (move to lexer?)

        maskedSrc = maskedSrc.slice(-1 * src.length + lLength);

        while ((match = endReg.exec(maskedSrc)) != null) {
          rDelim = match[1] || match[2] || match[3] || match[4] || match[5] || match[6];
          if (!rDelim) continue; // skip single * in __abc*abc__

          rLength = rDelim.length;

          if (match[3] || match[4]) {
            // found another Left Delim
            delimTotal += rLength;
            continue;
          } else if (match[5] || match[6]) {
            // either Left or Right Delim
            if (lLength % 3 && !((lLength + rLength) % 3)) {
              midDelimTotal += rLength;
              continue; // CommonMark Emphasis Rules 9-10
            }
          }

          delimTotal -= rLength;
          if (delimTotal > 0) continue; // Haven't found enough closing delimiters
          // Remove extra characters. *a*** -> *a*

          rLength = Math.min(rLength, rLength + delimTotal + midDelimTotal); // Create `em` if smallest delimiter has odd char count. *a***

          if (Math.min(lLength, rLength) % 2) {
            var _text = src.slice(1, lLength + match.index + rLength);

            return {
              type: 'em',
              raw: src.slice(0, lLength + match.index + rLength + 1),
              text: _text,
              tokens: this.lexer.inlineTokens(_text, [])
            };
          } // Create 'strong' if smallest delimiter has even char count. **a***


          var text = src.slice(2, lLength + match.index + rLength - 1);
          return {
            type: 'strong',
            raw: src.slice(0, lLength + match.index + rLength + 1),
            text: text,
            tokens: this.lexer.inlineTokens(text, [])
          };
        }
      }
    };

    _proto.codespan = function codespan(src) {
      var cap = this.rules.inline.code.exec(src);

      if (cap) {
        var text = cap[2].replace(/\n/g, ' ');
        var hasNonSpaceChars = /[^ ]/.test(text);
        var hasSpaceCharsOnBothEnds = /^ /.test(text) && / $/.test(text);

        if (hasNonSpaceChars && hasSpaceCharsOnBothEnds) {
          text = text.substring(1, text.length - 1);
        }

        text = escape(text, true);
        return {
          type: 'codespan',
          raw: cap[0],
          text: text
        };
      }
    };

    _proto.br = function br(src) {
      var cap = this.rules.inline.br.exec(src);

      if (cap) {
        return {
          type: 'br',
          raw: cap[0]
        };
      }
    };

    _proto.del = function del(src) {
      var cap = this.rules.inline.del.exec(src);

      if (cap) {
        return {
          type: 'del',
          raw: cap[0],
          text: cap[2],
          tokens: this.lexer.inlineTokens(cap[2], [])
        };
      }
    };

    _proto.autolink = function autolink(src, mangle) {
      var cap = this.rules.inline.autolink.exec(src);

      if (cap) {
        var text, href;

        if (cap[2] === '@') {
          text = escape(this.options.mangle ? mangle(cap[1]) : cap[1]);
          href = 'mailto:' + text;
        } else {
          text = escape(cap[1]);
          href = text;
        }

        return {
          type: 'link',
          raw: cap[0],
          text: text,
          href: href,
          tokens: [{
            type: 'text',
            raw: text,
            text: text
          }]
        };
      }
    };

    _proto.url = function url(src, mangle) {
      var cap;

      if (cap = this.rules.inline.url.exec(src)) {
        var text, href;

        if (cap[2] === '@') {
          text = escape(this.options.mangle ? mangle(cap[0]) : cap[0]);
          href = 'mailto:' + text;
        } else {
          // do extended autolink path validation
          var prevCapZero;

          do {
            prevCapZero = cap[0];
            cap[0] = this.rules.inline._backpedal.exec(cap[0])[0];
          } while (prevCapZero !== cap[0]);

          text = escape(cap[0]);

          if (cap[1] === 'www.') {
            href = 'http://' + text;
          } else {
            href = text;
          }
        }

        return {
          type: 'link',
          raw: cap[0],
          text: text,
          href: href,
          tokens: [{
            type: 'text',
            raw: text,
            text: text
          }]
        };
      }
    };

    _proto.inlineText = function inlineText(src, smartypants) {
      var cap = this.rules.inline.text.exec(src);

      if (cap) {
        var text;

        if (this.lexer.state.inRawBlock) {
          text = this.options.sanitize ? this.options.sanitizer ? this.options.sanitizer(cap[0]) : escape(cap[0]) : cap[0];
        } else {
          text = escape(this.options.smartypants ? smartypants(cap[0]) : cap[0]);
        }

        return {
          type: 'text',
          raw: cap[0],
          text: text
        };
      }
    };

    return Tokenizer;
  }();

  /**
   * Block-Level Grammar
   */

  var block = {
    newline: /^(?: *(?:\n|$))+/,
    code: /^( {4}[^\n]+(?:\n(?: *(?:\n|$))*)?)+/,
    fences: /^ {0,3}(`{3,}(?=[^`\n]*\n)|~{3,})([^\n]*)\n(?:|([\s\S]*?)\n)(?: {0,3}\1[~`]* *(?=\n|$)|$)/,
    hr: /^ {0,3}((?:-[\t ]*){3,}|(?:_[ \t]*){3,}|(?:\*[ \t]*){3,})(?:\n+|$)/,
    heading: /^ {0,3}(#{1,6})(?=\s|$)(.*)(?:\n+|$)/,
    blockquote: /^( {0,3}> ?(paragraph|[^\n]*)(?:\n|$))+/,
    list: /^( {0,3}bull)([ \t][^\n]+?)?(?:\n|$)/,
    html: '^ {0,3}(?:' // optional indentation
    + '<(script|pre|style|textarea)[\\s>][\\s\\S]*?(?:</\\1>[^\\n]*\\n+|$)' // (1)
    + '|comment[^\\n]*(\\n+|$)' // (2)
    + '|<\\?[\\s\\S]*?(?:\\?>\\n*|$)' // (3)
    + '|<![A-Z][\\s\\S]*?(?:>\\n*|$)' // (4)
    + '|<!\\[CDATA\\[[\\s\\S]*?(?:\\]\\]>\\n*|$)' // (5)
    + '|</?(tag)(?: +|\\n|/?>)[\\s\\S]*?(?:(?:\\n *)+\\n|$)' // (6)
    + '|<(?!script|pre|style|textarea)([a-z][\\w-]*)(?:attribute)*? */?>(?=[ \\t]*(?:\\n|$))[\\s\\S]*?(?:(?:\\n *)+\\n|$)' // (7) open tag
    + '|</(?!script|pre|style|textarea)[a-z][\\w-]*\\s*>(?=[ \\t]*(?:\\n|$))[\\s\\S]*?(?:(?:\\n *)+\\n|$)' // (7) closing tag
    + ')',
    def: /^ {0,3}\[(label)\]: *(?:\n *)?<?([^\s>]+)>?(?:(?: +(?:\n *)?| *\n *)(title))? *(?:\n+|$)/,
    table: noopTest,
    lheading: /^([^\n]+)\n {0,3}(=+|-+) *(?:\n+|$)/,
    // regex template, placeholders will be replaced according to different paragraph
    // interruption rules of commonmark and the original markdown spec:
    _paragraph: /^([^\n]+(?:\n(?!hr|heading|lheading|blockquote|fences|list|html|table| +\n)[^\n]+)*)/,
    text: /^[^\n]+/
  };
  block._label = /(?!\s*\])(?:\\.|[^\[\]\\])+/;
  block._title = /(?:"(?:\\"?|[^"\\])*"|'[^'\n]*(?:\n[^'\n]+)*\n?'|\([^()]*\))/;
  block.def = edit(block.def).replace('label', block._label).replace('title', block._title).getRegex();
  block.bullet = /(?:[*+-]|\d{1,9}[.)])/;
  block.listItemStart = edit(/^( *)(bull) */).replace('bull', block.bullet).getRegex();
  block.list = edit(block.list).replace(/bull/g, block.bullet).replace('hr', '\\n+(?=\\1?(?:(?:- *){3,}|(?:_ *){3,}|(?:\\* *){3,})(?:\\n+|$))').replace('def', '\\n+(?=' + block.def.source + ')').getRegex();
  block._tag = 'address|article|aside|base|basefont|blockquote|body|caption' + '|center|col|colgroup|dd|details|dialog|dir|div|dl|dt|fieldset|figcaption' + '|figure|footer|form|frame|frameset|h[1-6]|head|header|hr|html|iframe' + '|legend|li|link|main|menu|menuitem|meta|nav|noframes|ol|optgroup|option' + '|p|param|section|source|summary|table|tbody|td|tfoot|th|thead|title|tr' + '|track|ul';
  block._comment = /<!--(?!-?>)[\s\S]*?(?:-->|$)/;
  block.html = edit(block.html, 'i').replace('comment', block._comment).replace('tag', block._tag).replace('attribute', / +[a-zA-Z:_][\w.:-]*(?: *= *"[^"\n]*"| *= *'[^'\n]*'| *= *[^\s"'=<>`]+)?/).getRegex();
  block.paragraph = edit(block._paragraph).replace('hr', block.hr).replace('heading', ' {0,3}#{1,6} ').replace('|lheading', '') // setex headings don't interrupt commonmark paragraphs
  .replace('|table', '').replace('blockquote', ' {0,3}>').replace('fences', ' {0,3}(?:`{3,}(?=[^`\\n]*\\n)|~{3,})[^\\n]*\\n').replace('list', ' {0,3}(?:[*+-]|1[.)]) ') // only lists starting from 1 can interrupt
  .replace('html', '</?(?:tag)(?: +|\\n|/?>)|<(?:script|pre|style|textarea|!--)').replace('tag', block._tag) // pars can be interrupted by type (6) html blocks
  .getRegex();
  block.blockquote = edit(block.blockquote).replace('paragraph', block.paragraph).getRegex();
  /**
   * Normal Block Grammar
   */

  block.normal = merge({}, block);
  /**
   * GFM Block Grammar
   */

  block.gfm = merge({}, block.normal, {
    table: '^ *([^\\n ].*\\|.*)\\n' // Header
    + ' {0,3}(?:\\| *)?(:?-+:? *(?:\\| *:?-+:? *)*)(?:\\| *)?' // Align
    + '(?:\\n((?:(?! *\\n|hr|heading|blockquote|code|fences|list|html).*(?:\\n|$))*)\\n*|$)' // Cells

  });
  block.gfm.table = edit(block.gfm.table).replace('hr', block.hr).replace('heading', ' {0,3}#{1,6} ').replace('blockquote', ' {0,3}>').replace('code', ' {4}[^\\n]').replace('fences', ' {0,3}(?:`{3,}(?=[^`\\n]*\\n)|~{3,})[^\\n]*\\n').replace('list', ' {0,3}(?:[*+-]|1[.)]) ') // only lists starting from 1 can interrupt
  .replace('html', '</?(?:tag)(?: +|\\n|/?>)|<(?:script|pre|style|textarea|!--)').replace('tag', block._tag) // tables can be interrupted by type (6) html blocks
  .getRegex();
  block.gfm.paragraph = edit(block._paragraph).replace('hr', block.hr).replace('heading', ' {0,3}#{1,6} ').replace('|lheading', '') // setex headings don't interrupt commonmark paragraphs
  .replace('table', block.gfm.table) // interrupt paragraphs with table
  .replace('blockquote', ' {0,3}>').replace('fences', ' {0,3}(?:`{3,}(?=[^`\\n]*\\n)|~{3,})[^\\n]*\\n').replace('list', ' {0,3}(?:[*+-]|1[.)]) ') // only lists starting from 1 can interrupt
  .replace('html', '</?(?:tag)(?: +|\\n|/?>)|<(?:script|pre|style|textarea|!--)').replace('tag', block._tag) // pars can be interrupted by type (6) html blocks
  .getRegex();
  /**
   * Pedantic grammar (original John Gruber's loose markdown specification)
   */

  block.pedantic = merge({}, block.normal, {
    html: edit('^ *(?:comment *(?:\\n|\\s*$)' + '|<(tag)[\\s\\S]+?</\\1> *(?:\\n{2,}|\\s*$)' // closed tag
    + '|<tag(?:"[^"]*"|\'[^\']*\'|\\s[^\'"/>\\s]*)*?/?> *(?:\\n{2,}|\\s*$))').replace('comment', block._comment).replace(/tag/g, '(?!(?:' + 'a|em|strong|small|s|cite|q|dfn|abbr|data|time|code|var|samp|kbd|sub' + '|sup|i|b|u|mark|ruby|rt|rp|bdi|bdo|span|br|wbr|ins|del|img)' + '\\b)\\w+(?!:|[^\\w\\s@]*@)\\b').getRegex(),
    def: /^ *\[([^\]]+)\]: *<?([^\s>]+)>?(?: +(["(][^\n]+[")]))? *(?:\n+|$)/,
    heading: /^(#{1,6})(.*)(?:\n+|$)/,
    fences: noopTest,
    // fences not supported
    paragraph: edit(block.normal._paragraph).replace('hr', block.hr).replace('heading', ' *#{1,6} *[^\n]').replace('lheading', block.lheading).replace('blockquote', ' {0,3}>').replace('|fences', '').replace('|list', '').replace('|html', '').getRegex()
  });
  /**
   * Inline-Level Grammar
   */

  var inline = {
    escape: /^\\([!"#$%&'()*+,\-./:;<=>?@\[\]\\^_`{|}~])/,
    autolink: /^<(scheme:[^\s\x00-\x1f<>]*|email)>/,
    url: noopTest,
    tag: '^comment' + '|^</[a-zA-Z][\\w:-]*\\s*>' // self-closing tag
    + '|^<[a-zA-Z][\\w-]*(?:attribute)*?\\s*/?>' // open tag
    + '|^<\\?[\\s\\S]*?\\?>' // processing instruction, e.g. <?php ?>
    + '|^<![a-zA-Z]+\\s[\\s\\S]*?>' // declaration, e.g. <!DOCTYPE html>
    + '|^<!\\[CDATA\\[[\\s\\S]*?\\]\\]>',
    // CDATA section
    link: /^!?\[(label)\]\(\s*(href)(?:\s+(title))?\s*\)/,
    reflink: /^!?\[(label)\]\[(ref)\]/,
    nolink: /^!?\[(ref)\](?:\[\])?/,
    reflinkSearch: 'reflink|nolink(?!\\()',
    emStrong: {
      lDelim: /^(?:\*+(?:([punct_])|[^\s*]))|^_+(?:([punct*])|([^\s_]))/,
      //        (1) and (2) can only be a Right Delimiter. (3) and (4) can only be Left.  (5) and (6) can be either Left or Right.
      //          () Skip orphan inside strong  () Consume to delim (1) #***                (2) a***#, a***                   (3) #***a, ***a                 (4) ***#              (5) #***#                 (6) a***a
      rDelimAst: /^[^_*]*?\_\_[^_*]*?\*[^_*]*?(?=\_\_)|[^*]+(?=[^*])|[punct_](\*+)(?=[\s]|$)|[^punct*_\s](\*+)(?=[punct_\s]|$)|[punct_\s](\*+)(?=[^punct*_\s])|[\s](\*+)(?=[punct_])|[punct_](\*+)(?=[punct_])|[^punct*_\s](\*+)(?=[^punct*_\s])/,
      rDelimUnd: /^[^_*]*?\*\*[^_*]*?\_[^_*]*?(?=\*\*)|[^_]+(?=[^_])|[punct*](\_+)(?=[\s]|$)|[^punct*_\s](\_+)(?=[punct*\s]|$)|[punct*\s](\_+)(?=[^punct*_\s])|[\s](\_+)(?=[punct*])|[punct*](\_+)(?=[punct*])/ // ^- Not allowed for _

    },
    code: /^(`+)([^`]|[^`][\s\S]*?[^`])\1(?!`)/,
    br: /^( {2,}|\\)\n(?!\s*$)/,
    del: noopTest,
    text: /^(`+|[^`])(?:(?= {2,}\n)|[\s\S]*?(?:(?=[\\<!\[`*_]|\b_|$)|[^ ](?= {2,}\n)))/,
    punctuation: /^([\spunctuation])/
  }; // list of punctuation marks from CommonMark spec
  // without * and _ to handle the different emphasis markers * and _

  inline._punctuation = '!"#$%&\'()+\\-.,/:;<=>?@\\[\\]`^{|}~';
  inline.punctuation = edit(inline.punctuation).replace(/punctuation/g, inline._punctuation).getRegex(); // sequences em should skip over [title](link), `code`, <html>

  inline.blockSkip = /\[[^\]]*?\]\([^\)]*?\)|`[^`]*?`|<[^>]*?>/g;
  inline.escapedEmSt = /\\\*|\\_/g;
  inline._comment = edit(block._comment).replace('(?:-->|$)', '-->').getRegex();
  inline.emStrong.lDelim = edit(inline.emStrong.lDelim).replace(/punct/g, inline._punctuation).getRegex();
  inline.emStrong.rDelimAst = edit(inline.emStrong.rDelimAst, 'g').replace(/punct/g, inline._punctuation).getRegex();
  inline.emStrong.rDelimUnd = edit(inline.emStrong.rDelimUnd, 'g').replace(/punct/g, inline._punctuation).getRegex();
  inline._escapes = /\\([!"#$%&'()*+,\-./:;<=>?@\[\]\\^_`{|}~])/g;
  inline._scheme = /[a-zA-Z][a-zA-Z0-9+.-]{1,31}/;
  inline._email = /[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+(@)[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)+(?![-_])/;
  inline.autolink = edit(inline.autolink).replace('scheme', inline._scheme).replace('email', inline._email).getRegex();
  inline._attribute = /\s+[a-zA-Z:_][\w.:-]*(?:\s*=\s*"[^"]*"|\s*=\s*'[^']*'|\s*=\s*[^\s"'=<>`]+)?/;
  inline.tag = edit(inline.tag).replace('comment', inline._comment).replace('attribute', inline._attribute).getRegex();
  inline._label = /(?:\[(?:\\.|[^\[\]\\])*\]|\\.|`[^`]*`|[^\[\]\\`])*?/;
  inline._href = /<(?:\\.|[^\n<>\\])+>|[^\s\x00-\x1f]*/;
  inline._title = /"(?:\\"?|[^"\\])*"|'(?:\\'?|[^'\\])*'|\((?:\\\)?|[^)\\])*\)/;
  inline.link = edit(inline.link).replace('label', inline._label).replace('href', inline._href).replace('title', inline._title).getRegex();
  inline.reflink = edit(inline.reflink).replace('label', inline._label).replace('ref', block._label).getRegex();
  inline.nolink = edit(inline.nolink).replace('ref', block._label).getRegex();
  inline.reflinkSearch = edit(inline.reflinkSearch, 'g').replace('reflink', inline.reflink).replace('nolink', inline.nolink).getRegex();
  /**
   * Normal Inline Grammar
   */

  inline.normal = merge({}, inline);
  /**
   * Pedantic Inline Grammar
   */

  inline.pedantic = merge({}, inline.normal, {
    strong: {
      start: /^__|\*\*/,
      middle: /^__(?=\S)([\s\S]*?\S)__(?!_)|^\*\*(?=\S)([\s\S]*?\S)\*\*(?!\*)/,
      endAst: /\*\*(?!\*)/g,
      endUnd: /__(?!_)/g
    },
    em: {
      start: /^_|\*/,
      middle: /^()\*(?=\S)([\s\S]*?\S)\*(?!\*)|^_(?=\S)([\s\S]*?\S)_(?!_)/,
      endAst: /\*(?!\*)/g,
      endUnd: /_(?!_)/g
    },
    link: edit(/^!?\[(label)\]\((.*?)\)/).replace('label', inline._label).getRegex(),
    reflink: edit(/^!?\[(label)\]\s*\[([^\]]*)\]/).replace('label', inline._label).getRegex()
  });
  /**
   * GFM Inline Grammar
   */

  inline.gfm = merge({}, inline.normal, {
    escape: edit(inline.escape).replace('])', '~|])').getRegex(),
    _extended_email: /[A-Za-z0-9._+-]+(@)[a-zA-Z0-9-_]+(?:\.[a-zA-Z0-9-_]*[a-zA-Z0-9])+(?![-_])/,
    url: /^((?:ftp|https?):\/\/|www\.)(?:[a-zA-Z0-9\-]+\.?)+[^\s<]*|^email/,
    _backpedal: /(?:[^?!.,:;*_~()&]+|\([^)]*\)|&(?![a-zA-Z0-9]+;$)|[?!.,:;*_~)]+(?!$))+/,
    del: /^(~~?)(?=[^\s~])([\s\S]*?[^\s~])\1(?=[^~]|$)/,
    text: /^([`~]+|[^`~])(?:(?= {2,}\n)|(?=[a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-]+@)|[\s\S]*?(?:(?=[\\<!\[`*~_]|\b_|https?:\/\/|ftp:\/\/|www\.|$)|[^ ](?= {2,}\n)|[^a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-](?=[a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-]+@)))/
  });
  inline.gfm.url = edit(inline.gfm.url, 'i').replace('email', inline.gfm._extended_email).getRegex();
  /**
   * GFM + Line Breaks Inline Grammar
   */

  inline.breaks = merge({}, inline.gfm, {
    br: edit(inline.br).replace('{2,}', '*').getRegex(),
    text: edit(inline.gfm.text).replace('\\b_', '\\b_| {2,}\\n').replace(/\{2,\}/g, '*').getRegex()
  });

  /**
   * smartypants text replacement
   * @param {string} text
   */

  function smartypants(text) {
    return text // em-dashes
    .replace(/---/g, "\u2014") // en-dashes
    .replace(/--/g, "\u2013") // opening singles
    .replace(/(^|[-\u2014/(\[{"\s])'/g, "$1\u2018") // closing singles & apostrophes
    .replace(/'/g, "\u2019") // opening doubles
    .replace(/(^|[-\u2014/(\[{\u2018\s])"/g, "$1\u201C") // closing doubles
    .replace(/"/g, "\u201D") // ellipses
    .replace(/\.{3}/g, "\u2026");
  }
  /**
   * mangle email addresses
   * @param {string} text
   */


  function mangle(text) {
    var out = '',
        i,
        ch;
    var l = text.length;

    for (i = 0; i < l; i++) {
      ch = text.charCodeAt(i);

      if (Math.random() > 0.5) {
        ch = 'x' + ch.toString(16);
      }

      out += '&#' + ch + ';';
    }

    return out;
  }
  /**
   * Block Lexer
   */


  var Lexer = /*#__PURE__*/function () {
    function Lexer(options) {
      this.tokens = [];
      this.tokens.links = Object.create(null);
      this.options = options || exports.defaults;
      this.options.tokenizer = this.options.tokenizer || new Tokenizer();
      this.tokenizer = this.options.tokenizer;
      this.tokenizer.options = this.options;
      this.tokenizer.lexer = this;
      this.inlineQueue = [];
      this.state = {
        inLink: false,
        inRawBlock: false,
        top: true
      };
      var rules = {
        block: block.normal,
        inline: inline.normal
      };

      if (this.options.pedantic) {
        rules.block = block.pedantic;
        rules.inline = inline.pedantic;
      } else if (this.options.gfm) {
        rules.block = block.gfm;

        if (this.options.breaks) {
          rules.inline = inline.breaks;
        } else {
          rules.inline = inline.gfm;
        }
      }

      this.tokenizer.rules = rules;
    }
    /**
     * Expose Rules
     */


    /**
     * Static Lex Method
     */
    Lexer.lex = function lex(src, options) {
      var lexer = new Lexer(options);
      return lexer.lex(src);
    }
    /**
     * Static Lex Inline Method
     */
    ;

    Lexer.lexInline = function lexInline(src, options) {
      var lexer = new Lexer(options);
      return lexer.inlineTokens(src);
    }
    /**
     * Preprocessing
     */
    ;

    var _proto = Lexer.prototype;

    _proto.lex = function lex(src) {
      src = src.replace(/\r\n|\r/g, '\n');
      this.blockTokens(src, this.tokens);
      var next;

      while (next = this.inlineQueue.shift()) {
        this.inlineTokens(next.src, next.tokens);
      }

      return this.tokens;
    }
    /**
     * Lexing
     */
    ;

    _proto.blockTokens = function blockTokens(src, tokens) {
      var _this = this;

      if (tokens === void 0) {
        tokens = [];
      }

      if (this.options.pedantic) {
        src = src.replace(/\t/g, '    ').replace(/^ +$/gm, '');
      } else {
        src = src.replace(/^( *)(\t+)/gm, function (_, leading, tabs) {
          return leading + '    '.repeat(tabs.length);
        });
      }

      var token, lastToken, cutSrc, lastParagraphClipped;

      while (src) {
        if (this.options.extensions && this.options.extensions.block && this.options.extensions.block.some(function (extTokenizer) {
          if (token = extTokenizer.call({
            lexer: _this
          }, src, tokens)) {
            src = src.substring(token.raw.length);
            tokens.push(token);
            return true;
          }

          return false;
        })) {
          continue;
        } // newline


        if (token = this.tokenizer.space(src)) {
          src = src.substring(token.raw.length);

          if (token.raw.length === 1 && tokens.length > 0) {
            // if there's a single \n as a spacer, it's terminating the last line,
            // so move it there so that we don't get unecessary paragraph tags
            tokens[tokens.length - 1].raw += '\n';
          } else {
            tokens.push(token);
          }

          continue;
        } // code


        if (token = this.tokenizer.code(src)) {
          src = src.substring(token.raw.length);
          lastToken = tokens[tokens.length - 1]; // An indented code block cannot interrupt a paragraph.

          if (lastToken && (lastToken.type === 'paragraph' || lastToken.type === 'text')) {
            lastToken.raw += '\n' + token.raw;
            lastToken.text += '\n' + token.text;
            this.inlineQueue[this.inlineQueue.length - 1].src = lastToken.text;
          } else {
            tokens.push(token);
          }

          continue;
        } // fences


        if (token = this.tokenizer.fences(src)) {
          src = src.substring(token.raw.length);
          tokens.push(token);
          continue;
        } // heading


        if (token = this.tokenizer.heading(src)) {
          src = src.substring(token.raw.length);
          tokens.push(token);
          continue;
        } // hr


        if (token = this.tokenizer.hr(src)) {
          src = src.substring(token.raw.length);
          tokens.push(token);
          continue;
        } // blockquote


        if (token = this.tokenizer.blockquote(src)) {
          src = src.substring(token.raw.length);
          tokens.push(token);
          continue;
        } // list


        if (token = this.tokenizer.list(src)) {
          src = src.substring(token.raw.length);
          tokens.push(token);
          continue;
        } // html


        if (token = this.tokenizer.html(src)) {
          src = src.substring(token.raw.length);
          tokens.push(token);
          continue;
        } // def


        if (token = this.tokenizer.def(src)) {
          src = src.substring(token.raw.length);
          lastToken = tokens[tokens.length - 1];

          if (lastToken && (lastToken.type === 'paragraph' || lastToken.type === 'text')) {
            lastToken.raw += '\n' + token.raw;
            lastToken.text += '\n' + token.raw;
            this.inlineQueue[this.inlineQueue.length - 1].src = lastToken.text;
          } else if (!this.tokens.links[token.tag]) {
            this.tokens.links[token.tag] = {
              href: token.href,
              title: token.title
            };
          }

          continue;
        } // table (gfm)


        if (token = this.tokenizer.table(src)) {
          src = src.substring(token.raw.length);
          tokens.push(token);
          continue;
        } // lheading


        if (token = this.tokenizer.lheading(src)) {
          src = src.substring(token.raw.length);
          tokens.push(token);
          continue;
        } // top-level paragraph
        // prevent paragraph consuming extensions by clipping 'src' to extension start


        cutSrc = src;

        if (this.options.extensions && this.options.extensions.startBlock) {
          (function () {
            var startIndex = Infinity;
            var tempSrc = src.slice(1);
            var tempStart = void 0;

            _this.options.extensions.startBlock.forEach(function (getStartIndex) {
              tempStart = getStartIndex.call({
                lexer: this
              }, tempSrc);

              if (typeof tempStart === 'number' && tempStart >= 0) {
                startIndex = Math.min(startIndex, tempStart);
              }
            });

            if (startIndex < Infinity && startIndex >= 0) {
              cutSrc = src.substring(0, startIndex + 1);
            }
          })();
        }

        if (this.state.top && (token = this.tokenizer.paragraph(cutSrc))) {
          lastToken = tokens[tokens.length - 1];

          if (lastParagraphClipped && lastToken.type === 'paragraph') {
            lastToken.raw += '\n' + token.raw;
            lastToken.text += '\n' + token.text;
            this.inlineQueue.pop();
            this.inlineQueue[this.inlineQueue.length - 1].src = lastToken.text;
          } else {
            tokens.push(token);
          }

          lastParagraphClipped = cutSrc.length !== src.length;
          src = src.substring(token.raw.length);
          continue;
        } // text


        if (token = this.tokenizer.text(src)) {
          src = src.substring(token.raw.length);
          lastToken = tokens[tokens.length - 1];

          if (lastToken && lastToken.type === 'text') {
            lastToken.raw += '\n' + token.raw;
            lastToken.text += '\n' + token.text;
            this.inlineQueue.pop();
            this.inlineQueue[this.inlineQueue.length - 1].src = lastToken.text;
          } else {
            tokens.push(token);
          }

          continue;
        }

        if (src) {
          var errMsg = 'Infinite loop on byte: ' + src.charCodeAt(0);

          if (this.options.silent) {
            console.error(errMsg);
            break;
          } else {
            throw new Error(errMsg);
          }
        }
      }

      this.state.top = true;
      return tokens;
    };

    _proto.inline = function inline(src, tokens) {
      if (tokens === void 0) {
        tokens = [];
      }

      this.inlineQueue.push({
        src: src,
        tokens: tokens
      });
      return tokens;
    }
    /**
     * Lexing/Compiling
     */
    ;

    _proto.inlineTokens = function inlineTokens(src, tokens) {
      var _this2 = this;

      if (tokens === void 0) {
        tokens = [];
      }

      var token, lastToken, cutSrc; // String with links masked to avoid interference with em and strong

      var maskedSrc = src;
      var match;
      var keepPrevChar, prevChar; // Mask out reflinks

      if (this.tokens.links) {
        var links = Object.keys(this.tokens.links);

        if (links.length > 0) {
          while ((match = this.tokenizer.rules.inline.reflinkSearch.exec(maskedSrc)) != null) {
            if (links.includes(match[0].slice(match[0].lastIndexOf('[') + 1, -1))) {
              maskedSrc = maskedSrc.slice(0, match.index) + '[' + repeatString('a', match[0].length - 2) + ']' + maskedSrc.slice(this.tokenizer.rules.inline.reflinkSearch.lastIndex);
            }
          }
        }
      } // Mask out other blocks


      while ((match = this.tokenizer.rules.inline.blockSkip.exec(maskedSrc)) != null) {
        maskedSrc = maskedSrc.slice(0, match.index) + '[' + repeatString('a', match[0].length - 2) + ']' + maskedSrc.slice(this.tokenizer.rules.inline.blockSkip.lastIndex);
      } // Mask out escaped em & strong delimiters


      while ((match = this.tokenizer.rules.inline.escapedEmSt.exec(maskedSrc)) != null) {
        maskedSrc = maskedSrc.slice(0, match.index) + '++' + maskedSrc.slice(this.tokenizer.rules.inline.escapedEmSt.lastIndex);
      }

      while (src) {
        if (!keepPrevChar) {
          prevChar = '';
        }

        keepPrevChar = false; // extensions

        if (this.options.extensions && this.options.extensions.inline && this.options.extensions.inline.some(function (extTokenizer) {
          if (token = extTokenizer.call({
            lexer: _this2
          }, src, tokens)) {
            src = src.substring(token.raw.length);
            tokens.push(token);
            return true;
          }

          return false;
        })) {
          continue;
        } // escape


        if (token = this.tokenizer.escape(src)) {
          src = src.substring(token.raw.length);
          tokens.push(token);
          continue;
        } // tag


        if (token = this.tokenizer.tag(src)) {
          src = src.substring(token.raw.length);
          lastToken = tokens[tokens.length - 1];

          if (lastToken && token.type === 'text' && lastToken.type === 'text') {
            lastToken.raw += token.raw;
            lastToken.text += token.text;
          } else {
            tokens.push(token);
          }

          continue;
        } // link


        if (token = this.tokenizer.link(src)) {
          src = src.substring(token.raw.length);
          tokens.push(token);
          continue;
        } // reflink, nolink


        if (token = this.tokenizer.reflink(src, this.tokens.links)) {
          src = src.substring(token.raw.length);
          lastToken = tokens[tokens.length - 1];

          if (lastToken && token.type === 'text' && lastToken.type === 'text') {
            lastToken.raw += token.raw;
            lastToken.text += token.text;
          } else {
            tokens.push(token);
          }

          continue;
        } // em & strong


        if (token = this.tokenizer.emStrong(src, maskedSrc, prevChar)) {
          src = src.substring(token.raw.length);
          tokens.push(token);
          continue;
        } // code


        if (token = this.tokenizer.codespan(src)) {
          src = src.substring(token.raw.length);
          tokens.push(token);
          continue;
        } // br


        if (token = this.tokenizer.br(src)) {
          src = src.substring(token.raw.length);
          tokens.push(token);
          continue;
        } // del (gfm)


        if (token = this.tokenizer.del(src)) {
          src = src.substring(token.raw.length);
          tokens.push(token);
          continue;
        } // autolink


        if (token = this.tokenizer.autolink(src, mangle)) {
          src = src.substring(token.raw.length);
          tokens.push(token);
          continue;
        } // url (gfm)


        if (!this.state.inLink && (token = this.tokenizer.url(src, mangle))) {
          src = src.substring(token.raw.length);
          tokens.push(token);
          continue;
        } // text
        // prevent inlineText consuming extensions by clipping 'src' to extension start


        cutSrc = src;

        if (this.options.extensions && this.options.extensions.startInline) {
          (function () {
            var startIndex = Infinity;
            var tempSrc = src.slice(1);
            var tempStart = void 0;

            _this2.options.extensions.startInline.forEach(function (getStartIndex) {
              tempStart = getStartIndex.call({
                lexer: this
              }, tempSrc);

              if (typeof tempStart === 'number' && tempStart >= 0) {
                startIndex = Math.min(startIndex, tempStart);
              }
            });

            if (startIndex < Infinity && startIndex >= 0) {
              cutSrc = src.substring(0, startIndex + 1);
            }
          })();
        }

        if (token = this.tokenizer.inlineText(cutSrc, smartypants)) {
          src = src.substring(token.raw.length);

          if (token.raw.slice(-1) !== '_') {
            // Track prevChar before string of ____ started
            prevChar = token.raw.slice(-1);
          }

          keepPrevChar = true;
          lastToken = tokens[tokens.length - 1];

          if (lastToken && lastToken.type === 'text') {
            lastToken.raw += token.raw;
            lastToken.text += token.text;
          } else {
            tokens.push(token);
          }

          continue;
        }

        if (src) {
          var errMsg = 'Infinite loop on byte: ' + src.charCodeAt(0);

          if (this.options.silent) {
            console.error(errMsg);
            break;
          } else {
            throw new Error(errMsg);
          }
        }
      }

      return tokens;
    };

    _createClass(Lexer, null, [{
      key: "rules",
      get: function get() {
        return {
          block: block,
          inline: inline
        };
      }
    }]);

    return Lexer;
  }();

  /**
   * Renderer
   */

  var Renderer = /*#__PURE__*/function () {
    function Renderer(options) {
      this.options = options || exports.defaults;
    }

    var _proto = Renderer.prototype;

    _proto.code = function code(_code, infostring, escaped) {
      var lang = (infostring || '').match(/\S*/)[0];

      if (this.options.highlight) {
        var out = this.options.highlight(_code, lang);

        if (out != null && out !== _code) {
          escaped = true;
          _code = out;
        }
      }

      _code = _code.replace(/\n$/, '') + '\n';

      if (!lang) {
        return '<pre><code>' + (escaped ? _code : escape(_code, true)) + '</code></pre>\n';
      }

      return '<pre><code class="' + this.options.langPrefix + escape(lang, true) + '">' + (escaped ? _code : escape(_code, true)) + '</code></pre>\n';
    }
    /**
     * @param {string} quote
     */
    ;

    _proto.blockquote = function blockquote(quote) {
      return "<blockquote>\n" + quote + "</blockquote>\n";
    };

    _proto.html = function html(_html) {
      return _html;
    }
    /**
     * @param {string} text
     * @param {string} level
     * @param {string} raw
     * @param {any} slugger
     */
    ;

    _proto.heading = function heading(text, level, raw, slugger) {
      if (this.options.headerIds) {
        var id = this.options.headerPrefix + slugger.slug(raw);
        return "<h" + level + " id=\"" + id + "\">" + text + "</h" + level + ">\n";
      } // ignore IDs


      return "<h" + level + ">" + text + "</h" + level + ">\n";
    };

    _proto.hr = function hr() {
      return this.options.xhtml ? '<hr/>\n' : '<hr>\n';
    };

    _proto.list = function list(body, ordered, start) {
      var type = ordered ? 'ol' : 'ul',
          startatt = ordered && start !== 1 ? ' start="' + start + '"' : '';
      return '<' + type + startatt + '>\n' + body + '</' + type + '>\n';
    }
    /**
     * @param {string} text
     */
    ;

    _proto.listitem = function listitem(text) {
      return "<li>" + text + "</li>\n";
    };

    _proto.checkbox = function checkbox(checked) {
      return '<input ' + (checked ? 'checked="" ' : '') + 'disabled="" type="checkbox"' + (this.options.xhtml ? ' /' : '') + '> ';
    }
    /**
     * @param {string} text
     */
    ;

    _proto.paragraph = function paragraph(text) {
      return "<p>" + text + "</p>\n";
    }
    /**
     * @param {string} header
     * @param {string} body
     */
    ;

    _proto.table = function table(header, body) {
      if (body) body = "<tbody>" + body + "</tbody>";
      return '<table>\n' + '<thead>\n' + header + '</thead>\n' + body + '</table>\n';
    }
    /**
     * @param {string} content
     */
    ;

    _proto.tablerow = function tablerow(content) {
      return "<tr>\n" + content + "</tr>\n";
    };

    _proto.tablecell = function tablecell(content, flags) {
      var type = flags.header ? 'th' : 'td';
      var tag = flags.align ? "<" + type + " align=\"" + flags.align + "\">" : "<" + type + ">";
      return tag + content + ("</" + type + ">\n");
    }
    /**
     * span level renderer
     * @param {string} text
     */
    ;

    _proto.strong = function strong(text) {
      return "<strong>" + text + "</strong>";
    }
    /**
     * @param {string} text
     */
    ;

    _proto.em = function em(text) {
      return "<em>" + text + "</em>";
    }
    /**
     * @param {string} text
     */
    ;

    _proto.codespan = function codespan(text) {
      return "<code>" + text + "</code>";
    };

    _proto.br = function br() {
      return this.options.xhtml ? '<br/>' : '<br>';
    }
    /**
     * @param {string} text
     */
    ;

    _proto.del = function del(text) {
      return "<del>" + text + "</del>";
    }
    /**
     * @param {string} href
     * @param {string} title
     * @param {string} text
     */
    ;

    _proto.link = function link(href, title, text) {
      href = cleanUrl(this.options.sanitize, this.options.baseUrl, href);

      if (href === null) {
        return text;
      }

      var out = '<a href="' + escape(href) + '"';

      if (title) {
        out += ' title="' + title + '"';
      }

      out += '>' + text + '</a>';
      return out;
    }
    /**
     * @param {string} href
     * @param {string} title
     * @param {string} text
     */
    ;

    _proto.image = function image(href, title, text) {
      href = cleanUrl(this.options.sanitize, this.options.baseUrl, href);

      if (href === null) {
        return text;
      }

      var out = "<img src=\"" + href + "\" alt=\"" + text + "\"";

      if (title) {
        out += " title=\"" + title + "\"";
      }

      out += this.options.xhtml ? '/>' : '>';
      return out;
    };

    _proto.text = function text(_text) {
      return _text;
    };

    return Renderer;
  }();

  /**
   * TextRenderer
   * returns only the textual part of the token
   */
  var TextRenderer = /*#__PURE__*/function () {
    function TextRenderer() {}

    var _proto = TextRenderer.prototype;

    // no need for block level renderers
    _proto.strong = function strong(text) {
      return text;
    };

    _proto.em = function em(text) {
      return text;
    };

    _proto.codespan = function codespan(text) {
      return text;
    };

    _proto.del = function del(text) {
      return text;
    };

    _proto.html = function html(text) {
      return text;
    };

    _proto.text = function text(_text) {
      return _text;
    };

    _proto.link = function link(href, title, text) {
      return '' + text;
    };

    _proto.image = function image(href, title, text) {
      return '' + text;
    };

    _proto.br = function br() {
      return '';
    };

    return TextRenderer;
  }();

  /**
   * Slugger generates header id
   */
  var Slugger = /*#__PURE__*/function () {
    function Slugger() {
      this.seen = {};
    }
    /**
     * @param {string} value
     */


    var _proto = Slugger.prototype;

    _proto.serialize = function serialize(value) {
      return value.toLowerCase().trim() // remove html tags
      .replace(/<[!\/a-z].*?>/ig, '') // remove unwanted chars
      .replace(/[\u2000-\u206F\u2E00-\u2E7F\\'!"#$%&()*+,./:;<=>?@[\]^`{|}~]/g, '').replace(/\s/g, '-');
    }
    /**
     * Finds the next safe (unique) slug to use
     * @param {string} originalSlug
     * @param {boolean} isDryRun
     */
    ;

    _proto.getNextSafeSlug = function getNextSafeSlug(originalSlug, isDryRun) {
      var slug = originalSlug;
      var occurenceAccumulator = 0;

      if (this.seen.hasOwnProperty(slug)) {
        occurenceAccumulator = this.seen[originalSlug];

        do {
          occurenceAccumulator++;
          slug = originalSlug + '-' + occurenceAccumulator;
        } while (this.seen.hasOwnProperty(slug));
      }

      if (!isDryRun) {
        this.seen[originalSlug] = occurenceAccumulator;
        this.seen[slug] = 0;
      }

      return slug;
    }
    /**
     * Convert string to unique id
     * @param {object} [options]
     * @param {boolean} [options.dryrun] Generates the next unique slug without
     * updating the internal accumulator.
     */
    ;

    _proto.slug = function slug(value, options) {
      if (options === void 0) {
        options = {};
      }

      var slug = this.serialize(value);
      return this.getNextSafeSlug(slug, options.dryrun);
    };

    return Slugger;
  }();

  /**
   * Parsing & Compiling
   */

  var Parser = /*#__PURE__*/function () {
    function Parser(options) {
      this.options = options || exports.defaults;
      this.options.renderer = this.options.renderer || new Renderer();
      this.renderer = this.options.renderer;
      this.renderer.options = this.options;
      this.textRenderer = new TextRenderer();
      this.slugger = new Slugger();
    }
    /**
     * Static Parse Method
     */


    Parser.parse = function parse(tokens, options) {
      var parser = new Parser(options);
      return parser.parse(tokens);
    }
    /**
     * Static Parse Inline Method
     */
    ;

    Parser.parseInline = function parseInline(tokens, options) {
      var parser = new Parser(options);
      return parser.parseInline(tokens);
    }
    /**
     * Parse Loop
     */
    ;

    var _proto = Parser.prototype;

    _proto.parse = function parse(tokens, top) {
      if (top === void 0) {
        top = true;
      }

      var out = '',
          i,
          j,
          k,
          l2,
          l3,
          row,
          cell,
          header,
          body,
          token,
          ordered,
          start,
          loose,
          itemBody,
          item,
          checked,
          task,
          checkbox,
          ret;
      var l = tokens.length;

      for (i = 0; i < l; i++) {
        token = tokens[i]; // Run any renderer extensions

        if (this.options.extensions && this.options.extensions.renderers && this.options.extensions.renderers[token.type]) {
          ret = this.options.extensions.renderers[token.type].call({
            parser: this
          }, token);

          if (ret !== false || !['space', 'hr', 'heading', 'code', 'table', 'blockquote', 'list', 'html', 'paragraph', 'text'].includes(token.type)) {
            out += ret || '';
            continue;
          }
        }

        switch (token.type) {
          case 'space':
            {
              continue;
            }

          case 'hr':
            {
              out += this.renderer.hr();
              continue;
            }

          case 'heading':
            {
              out += this.renderer.heading(this.parseInline(token.tokens), token.depth, unescape(this.parseInline(token.tokens, this.textRenderer)), this.slugger);
              continue;
            }

          case 'code':
            {
              out += this.renderer.code(token.text, token.lang, token.escaped);
              continue;
            }

          case 'table':
            {
              header = ''; // header

              cell = '';
              l2 = token.header.length;

              for (j = 0; j < l2; j++) {
                cell += this.renderer.tablecell(this.parseInline(token.header[j].tokens), {
                  header: true,
                  align: token.align[j]
                });
              }

              header += this.renderer.tablerow(cell);
              body = '';
              l2 = token.rows.length;

              for (j = 0; j < l2; j++) {
                row = token.rows[j];
                cell = '';
                l3 = row.length;

                for (k = 0; k < l3; k++) {
                  cell += this.renderer.tablecell(this.parseInline(row[k].tokens), {
                    header: false,
                    align: token.align[k]
                  });
                }

                body += this.renderer.tablerow(cell);
              }

              out += this.renderer.table(header, body);
              continue;
            }

          case 'blockquote':
            {
              body = this.parse(token.tokens);
              out += this.renderer.blockquote(body);
              continue;
            }

          case 'list':
            {
              ordered = token.ordered;
              start = token.start;
              loose = token.loose;
              l2 = token.items.length;
              body = '';

              for (j = 0; j < l2; j++) {
                item = token.items[j];
                checked = item.checked;
                task = item.task;
                itemBody = '';

                if (item.task) {
                  checkbox = this.renderer.checkbox(checked);

                  if (loose) {
                    if (item.tokens.length > 0 && item.tokens[0].type === 'paragraph') {
                      item.tokens[0].text = checkbox + ' ' + item.tokens[0].text;

                      if (item.tokens[0].tokens && item.tokens[0].tokens.length > 0 && item.tokens[0].tokens[0].type === 'text') {
                        item.tokens[0].tokens[0].text = checkbox + ' ' + item.tokens[0].tokens[0].text;
                      }
                    } else {
                      item.tokens.unshift({
                        type: 'text',
                        text: checkbox
                      });
                    }
                  } else {
                    itemBody += checkbox;
                  }
                }

                itemBody += this.parse(item.tokens, loose);
                body += this.renderer.listitem(itemBody, task, checked);
              }

              out += this.renderer.list(body, ordered, start);
              continue;
            }

          case 'html':
            {
              // TODO parse inline content if parameter markdown=1
              out += this.renderer.html(token.text);
              continue;
            }

          case 'paragraph':
            {
              out += this.renderer.paragraph(this.parseInline(token.tokens));
              continue;
            }

          case 'text':
            {
              body = token.tokens ? this.parseInline(token.tokens) : token.text;

              while (i + 1 < l && tokens[i + 1].type === 'text') {
                token = tokens[++i];
                body += '\n' + (token.tokens ? this.parseInline(token.tokens) : token.text);
              }

              out += top ? this.renderer.paragraph(body) : body;
              continue;
            }

          default:
            {
              var errMsg = 'Token with "' + token.type + '" type was not found.';

              if (this.options.silent) {
                console.error(errMsg);
                return;
              } else {
                throw new Error(errMsg);
              }
            }
        }
      }

      return out;
    }
    /**
     * Parse Inline Tokens
     */
    ;

    _proto.parseInline = function parseInline(tokens, renderer) {
      renderer = renderer || this.renderer;
      var out = '',
          i,
          token,
          ret;
      var l = tokens.length;

      for (i = 0; i < l; i++) {
        token = tokens[i]; // Run any renderer extensions

        if (this.options.extensions && this.options.extensions.renderers && this.options.extensions.renderers[token.type]) {
          ret = this.options.extensions.renderers[token.type].call({
            parser: this
          }, token);

          if (ret !== false || !['escape', 'html', 'link', 'image', 'strong', 'em', 'codespan', 'br', 'del', 'text'].includes(token.type)) {
            out += ret || '';
            continue;
          }
        }

        switch (token.type) {
          case 'escape':
            {
              out += renderer.text(token.text);
              break;
            }

          case 'html':
            {
              out += renderer.html(token.text);
              break;
            }

          case 'link':
            {
              out += renderer.link(token.href, token.title, this.parseInline(token.tokens, renderer));
              break;
            }

          case 'image':
            {
              out += renderer.image(token.href, token.title, token.text);
              break;
            }

          case 'strong':
            {
              out += renderer.strong(this.parseInline(token.tokens, renderer));
              break;
            }

          case 'em':
            {
              out += renderer.em(this.parseInline(token.tokens, renderer));
              break;
            }

          case 'codespan':
            {
              out += renderer.codespan(token.text);
              break;
            }

          case 'br':
            {
              out += renderer.br();
              break;
            }

          case 'del':
            {
              out += renderer.del(this.parseInline(token.tokens, renderer));
              break;
            }

          case 'text':
            {
              out += renderer.text(token.text);
              break;
            }

          default:
            {
              var errMsg = 'Token with "' + token.type + '" type was not found.';

              if (this.options.silent) {
                console.error(errMsg);
                return;
              } else {
                throw new Error(errMsg);
              }
            }
        }
      }

      return out;
    };

    return Parser;
  }();

  /**
   * Marked
   */

  function marked(src, opt, callback) {
    // throw error in case of non string input
    if (typeof src === 'undefined' || src === null) {
      throw new Error('marked(): input parameter is undefined or null');
    }

    if (typeof src !== 'string') {
      throw new Error('marked(): input parameter is of type ' + Object.prototype.toString.call(src) + ', string expected');
    }

    if (typeof opt === 'function') {
      callback = opt;
      opt = null;
    }

    opt = merge({}, marked.defaults, opt || {});
    checkSanitizeDeprecation(opt);

    if (callback) {
      var highlight = opt.highlight;
      var tokens;

      try {
        tokens = Lexer.lex(src, opt);
      } catch (e) {
        return callback(e);
      }

      var done = function done(err) {
        var out;

        if (!err) {
          try {
            if (opt.walkTokens) {
              marked.walkTokens(tokens, opt.walkTokens);
            }

            out = Parser.parse(tokens, opt);
          } catch (e) {
            err = e;
          }
        }

        opt.highlight = highlight;
        return err ? callback(err) : callback(null, out);
      };

      if (!highlight || highlight.length < 3) {
        return done();
      }

      delete opt.highlight;
      if (!tokens.length) return done();
      var pending = 0;
      marked.walkTokens(tokens, function (token) {
        if (token.type === 'code') {
          pending++;
          setTimeout(function () {
            highlight(token.text, token.lang, function (err, code) {
              if (err) {
                return done(err);
              }

              if (code != null && code !== token.text) {
                token.text = code;
                token.escaped = true;
              }

              pending--;

              if (pending === 0) {
                done();
              }
            });
          }, 0);
        }
      });

      if (pending === 0) {
        done();
      }

      return;
    }

    try {
      var _tokens = Lexer.lex(src, opt);

      if (opt.walkTokens) {
        marked.walkTokens(_tokens, opt.walkTokens);
      }

      return Parser.parse(_tokens, opt);
    } catch (e) {
      e.message += '\nPlease report this to https://github.com/markedjs/marked.';

      if (opt.silent) {
        return '<p>An error occurred:</p><pre>' + escape(e.message + '', true) + '</pre>';
      }

      throw e;
    }
  }
  /**
   * Options
   */

  marked.options = marked.setOptions = function (opt) {
    merge(marked.defaults, opt);
    changeDefaults(marked.defaults);
    return marked;
  };

  marked.getDefaults = getDefaults;
  marked.defaults = exports.defaults;
  /**
   * Use Extension
   */

  marked.use = function () {
    for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
      args[_key] = arguments[_key];
    }

    var opts = merge.apply(void 0, [{}].concat(args));
    var extensions = marked.defaults.extensions || {
      renderers: {},
      childTokens: {}
    };
    var hasExtensions;
    args.forEach(function (pack) {
      // ==-- Parse "addon" extensions --== //
      if (pack.extensions) {
        hasExtensions = true;
        pack.extensions.forEach(function (ext) {
          if (!ext.name) {
            throw new Error('extension name required');
          }

          if (ext.renderer) {
            // Renderer extensions
            var prevRenderer = extensions.renderers ? extensions.renderers[ext.name] : null;

            if (prevRenderer) {
              // Replace extension with func to run new extension but fall back if false
              extensions.renderers[ext.name] = function () {
                for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
                  args[_key2] = arguments[_key2];
                }

                var ret = ext.renderer.apply(this, args);

                if (ret === false) {
                  ret = prevRenderer.apply(this, args);
                }

                return ret;
              };
            } else {
              extensions.renderers[ext.name] = ext.renderer;
            }
          }

          if (ext.tokenizer) {
            // Tokenizer Extensions
            if (!ext.level || ext.level !== 'block' && ext.level !== 'inline') {
              throw new Error("extension level must be 'block' or 'inline'");
            }

            if (extensions[ext.level]) {
              extensions[ext.level].unshift(ext.tokenizer);
            } else {
              extensions[ext.level] = [ext.tokenizer];
            }

            if (ext.start) {
              // Function to check for start of token
              if (ext.level === 'block') {
                if (extensions.startBlock) {
                  extensions.startBlock.push(ext.start);
                } else {
                  extensions.startBlock = [ext.start];
                }
              } else if (ext.level === 'inline') {
                if (extensions.startInline) {
                  extensions.startInline.push(ext.start);
                } else {
                  extensions.startInline = [ext.start];
                }
              }
            }
          }

          if (ext.childTokens) {
            // Child tokens to be visited by walkTokens
            extensions.childTokens[ext.name] = ext.childTokens;
          }
        });
      } // ==-- Parse "overwrite" extensions --== //


      if (pack.renderer) {
        (function () {
          var renderer = marked.defaults.renderer || new Renderer();

          var _loop = function _loop(prop) {
            var prevRenderer = renderer[prop]; // Replace renderer with func to run extension, but fall back if false

            renderer[prop] = function () {
              for (var _len3 = arguments.length, args = new Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
                args[_key3] = arguments[_key3];
              }

              var ret = pack.renderer[prop].apply(renderer, args);

              if (ret === false) {
                ret = prevRenderer.apply(renderer, args);
              }

              return ret;
            };
          };

          for (var prop in pack.renderer) {
            _loop(prop);
          }

          opts.renderer = renderer;
        })();
      }

      if (pack.tokenizer) {
        (function () {
          var tokenizer = marked.defaults.tokenizer || new Tokenizer();

          var _loop2 = function _loop2(prop) {
            var prevTokenizer = tokenizer[prop]; // Replace tokenizer with func to run extension, but fall back if false

            tokenizer[prop] = function () {
              for (var _len4 = arguments.length, args = new Array(_len4), _key4 = 0; _key4 < _len4; _key4++) {
                args[_key4] = arguments[_key4];
              }

              var ret = pack.tokenizer[prop].apply(tokenizer, args);

              if (ret === false) {
                ret = prevTokenizer.apply(tokenizer, args);
              }

              return ret;
            };
          };

          for (var prop in pack.tokenizer) {
            _loop2(prop);
          }

          opts.tokenizer = tokenizer;
        })();
      } // ==-- Parse WalkTokens extensions --== //


      if (pack.walkTokens) {
        var _walkTokens = marked.defaults.walkTokens;

        opts.walkTokens = function (token) {
          pack.walkTokens.call(this, token);

          if (_walkTokens) {
            _walkTokens.call(this, token);
          }
        };
      }

      if (hasExtensions) {
        opts.extensions = extensions;
      }

      marked.setOptions(opts);
    });
  };
  /**
   * Run callback for every token
   */


  marked.walkTokens = function (tokens, callback) {
    var _loop3 = function _loop3() {
      var token = _step.value;
      callback.call(marked, token);

      switch (token.type) {
        case 'table':
          {
            for (var _iterator2 = _createForOfIteratorHelperLoose(token.header), _step2; !(_step2 = _iterator2()).done;) {
              var cell = _step2.value;
              marked.walkTokens(cell.tokens, callback);
            }

            for (var _iterator3 = _createForOfIteratorHelperLoose(token.rows), _step3; !(_step3 = _iterator3()).done;) {
              var row = _step3.value;

              for (var _iterator4 = _createForOfIteratorHelperLoose(row), _step4; !(_step4 = _iterator4()).done;) {
                var _cell = _step4.value;
                marked.walkTokens(_cell.tokens, callback);
              }
            }

            break;
          }

        case 'list':
          {
            marked.walkTokens(token.items, callback);
            break;
          }

        default:
          {
            if (marked.defaults.extensions && marked.defaults.extensions.childTokens && marked.defaults.extensions.childTokens[token.type]) {
              // Walk any extensions
              marked.defaults.extensions.childTokens[token.type].forEach(function (childTokens) {
                marked.walkTokens(token[childTokens], callback);
              });
            } else if (token.tokens) {
              marked.walkTokens(token.tokens, callback);
            }
          }
      }
    };

    for (var _iterator = _createForOfIteratorHelperLoose(tokens), _step; !(_step = _iterator()).done;) {
      _loop3();
    }
  };
  /**
   * Parse Inline
   * @param {string} src
   */


  marked.parseInline = function (src, opt) {
    // throw error in case of non string input
    if (typeof src === 'undefined' || src === null) {
      throw new Error('marked.parseInline(): input parameter is undefined or null');
    }

    if (typeof src !== 'string') {
      throw new Error('marked.parseInline(): input parameter is of type ' + Object.prototype.toString.call(src) + ', string expected');
    }

    opt = merge({}, marked.defaults, opt || {});
    checkSanitizeDeprecation(opt);

    try {
      var tokens = Lexer.lexInline(src, opt);

      if (opt.walkTokens) {
        marked.walkTokens(tokens, opt.walkTokens);
      }

      return Parser.parseInline(tokens, opt);
    } catch (e) {
      e.message += '\nPlease report this to https://github.com/markedjs/marked.';

      if (opt.silent) {
        return '<p>An error occurred:</p><pre>' + escape(e.message + '', true) + '</pre>';
      }

      throw e;
    }
  };
  /**
   * Expose
   */


  marked.Parser = Parser;
  marked.parser = Parser.parse;
  marked.Renderer = Renderer;
  marked.TextRenderer = TextRenderer;
  marked.Lexer = Lexer;
  marked.lexer = Lexer.lex;
  marked.Tokenizer = Tokenizer;
  marked.Slugger = Slugger;
  marked.parse = marked;
  var options = marked.options;
  var setOptions = marked.setOptions;
  var use = marked.use;
  var walkTokens = marked.walkTokens;
  var parseInline = marked.parseInline;
  var parse = marked;
  var parser = Parser.parse;
  var lexer = Lexer.lex;

  exports.Lexer = Lexer;
  exports.Parser = Parser;
  exports.Renderer = Renderer;
  exports.Slugger = Slugger;
  exports.TextRenderer = TextRenderer;
  exports.Tokenizer = Tokenizer;
  exports.getDefaults = getDefaults;
  exports.lexer = lexer;
  exports.marked = marked;
  exports.options = options;
  exports.parse = parse;
  exports.parseInline = parseInline;
  exports.parser = parser;
  exports.setOptions = setOptions;
  exports.use = use;
  exports.walkTokens = walkTokens;

  Object.defineProperty(exports, '__esModule', { value: true });

}));

// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.

define('base/js/markdown',[
    'jquery',
    'base/js/utils',
    'base/js/mathjaxutils',
    'base/js/security',
    'components/marked/lib/marked',
    'codemirror/lib/codemirror',
], function($, utils, mathjaxutils, security, marked, CodeMirror){
    "use strict";

    marked.setOptions({
        gfm : true,
        tables: true,
        langPrefix: "cm-s-ipython language-",
        highlight: function(code, lang, callback) {
            if (!lang) {
                // no language, no highlight
                if (callback) {
                    callback(null, code);
                    return;
                } else {
                    return code;
                }
            }
            utils.requireCodeMirrorMode(lang, function (spec) {
                var el = document.createElement("div");
                var mode = CodeMirror.getMode({}, spec);
                if (!mode) {
                    console.log("No CodeMirror mode: " + lang);
                    callback(null, code);
                    return;
                }
                try {
                    CodeMirror.runMode(code, spec, el);
                    callback(null, el.innerHTML);
                } catch (err) {
                    console.log("Failed to highlight " + lang + " code", err);
                    callback(err, code);
                }
            }, function (err) {
                console.log("No CodeMirror mode: " + lang);
                console.log("Require CodeMirror mode error: " + err);
                callback(null, code);
            });
        }
    });

    var mathjax_init_done = false;
    function ensure_mathjax_init() {
        if(!mathjax_init_done) {
            mathjax_init_done = true;
            mathjaxutils.init();
        }
    }

    function render(markdown, options, callback) {
        /**
         * Find a readme in the current directory. Look for files with
         * a name like 'readme.md' (case insensitive) or similar and
         * mimetype 'text/markdown'.
         * 
         * @param markdown: the markdown text to parse
         * @param options
         *  Object with parameters:
         *      with_math: the markdown can contain mathematics
         *      clean_tables: prevent default inline styles for table cells
         *      sanitize: remove dangerous html (like <script>)
         * @param callback
         *  A function with two arguments (err, html)
         *      err: null or the error if there was one
         *      html: the rendered html string, or if {sanitize: true} was used
        *             a sanitized jQuery object
         */
        options = $.extend({
            // Apply mathjax transformation
            with_math: false,
            // Prevent marked from returning inline styles for table cells
            clean_tables: false,
            // Apply sanitation, this will return a jQuery object.
            sanitize: false,
        }, options);
        var renderer = new marked.Renderer();
        if(options.clean_tables) {
            renderer.tablecell = function (content, flags) {
            var type = flags.header ? 'th' : 'td';
            var style = flags.align == null ? '': ' style="text-align: ' + flags.align + '"';
            var start_tag = '<' + type + style + '>';
            var end_tag = '</' + type + '>\n';
            return start_tag + content + end_tag;
            };
        }
        var text = markdown;
        var math = null;
        if(options.with_math) {
            ensure_mathjax_init();
            var text_and_math = mathjaxutils.remove_math(markdown);
            text = text_and_math[0];
            math = text_and_math[1];
        }
        marked.marked(text, { renderer: renderer }, function (err, html) {
            if(!err) {
                if(options.with_math) {
                    html = mathjaxutils.replace_math(html, math);
                }
                if(options.sanitize) {
                    html = $(security.sanitize_html_and_parse(html, true));
                }
            }
            callback(err, html);
        });
    }

    return {'render': render};
});

// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: https://codemirror.net/LICENSE

(function(mod) {
  if (typeof exports == "object" && typeof module == "object") // CommonJS
    mod(require("../../lib/codemirror"));
  else if (typeof define == "function" && define.amd) // AMD
    define('codemirror/addon/edit/matchbrackets',["../../lib/codemirror"], mod);
  else // Plain browser env
    mod(CodeMirror);
})(function(CodeMirror) {
  var ie_lt8 = /MSIE \d/.test(navigator.userAgent) &&
    (document.documentMode == null || document.documentMode < 8);

  var Pos = CodeMirror.Pos;

  var matching = {"(": ")>", ")": "(<", "[": "]>", "]": "[<", "{": "}>", "}": "{<", "<": ">>", ">": "<<"};

  function bracketRegex(config) {
    return config && config.bracketRegex || /[(){}[\]]/
  }

  function findMatchingBracket(cm, where, config) {
    var line = cm.getLineHandle(where.line), pos = where.ch - 1;
    var afterCursor = config && config.afterCursor
    if (afterCursor == null)
      afterCursor = /(^| )cm-fat-cursor($| )/.test(cm.getWrapperElement().className)
    var re = bracketRegex(config)

    // A cursor is defined as between two characters, but in in vim command mode
    // (i.e. not insert mode), the cursor is visually represented as a
    // highlighted box on top of the 2nd character. Otherwise, we allow matches
    // from before or after the cursor.
    var match = (!afterCursor && pos >= 0 && re.test(line.text.charAt(pos)) && matching[line.text.charAt(pos)]) ||
        re.test(line.text.charAt(pos + 1)) && matching[line.text.charAt(++pos)];
    if (!match) return null;
    var dir = match.charAt(1) == ">" ? 1 : -1;
    if (config && config.strict && (dir > 0) != (pos == where.ch)) return null;
    var style = cm.getTokenTypeAt(Pos(where.line, pos + 1));

    var found = scanForBracket(cm, Pos(where.line, pos + (dir > 0 ? 1 : 0)), dir, style || null, config);
    if (found == null) return null;
    return {from: Pos(where.line, pos), to: found && found.pos,
            match: found && found.ch == match.charAt(0), forward: dir > 0};
  }

  // bracketRegex is used to specify which type of bracket to scan
  // should be a regexp, e.g. /[[\]]/
  //
  // Note: If "where" is on an open bracket, then this bracket is ignored.
  //
  // Returns false when no bracket was found, null when it reached
  // maxScanLines and gave up
  function scanForBracket(cm, where, dir, style, config) {
    var maxScanLen = (config && config.maxScanLineLength) || 10000;
    var maxScanLines = (config && config.maxScanLines) || 1000;

    var stack = [];
    var re = bracketRegex(config)
    var lineEnd = dir > 0 ? Math.min(where.line + maxScanLines, cm.lastLine() + 1)
                          : Math.max(cm.firstLine() - 1, where.line - maxScanLines);
    for (var lineNo = where.line; lineNo != lineEnd; lineNo += dir) {
      var line = cm.getLine(lineNo);
      if (!line) continue;
      var pos = dir > 0 ? 0 : line.length - 1, end = dir > 0 ? line.length : -1;
      if (line.length > maxScanLen) continue;
      if (lineNo == where.line) pos = where.ch - (dir < 0 ? 1 : 0);
      for (; pos != end; pos += dir) {
        var ch = line.charAt(pos);
        if (re.test(ch) && (style === undefined || cm.getTokenTypeAt(Pos(lineNo, pos + 1)) == style)) {
          var match = matching[ch];
          if (match && (match.charAt(1) == ">") == (dir > 0)) stack.push(ch);
          else if (!stack.length) return {pos: Pos(lineNo, pos), ch: ch};
          else stack.pop();
        }
      }
    }
    return lineNo - dir == (dir > 0 ? cm.lastLine() : cm.firstLine()) ? false : null;
  }

  function matchBrackets(cm, autoclear, config) {
    // Disable brace matching in long lines, since it'll cause hugely slow updates
    var maxHighlightLen = cm.state.matchBrackets.maxHighlightLineLength || 1000;
    var marks = [], ranges = cm.listSelections();
    for (var i = 0; i < ranges.length; i++) {
      var match = ranges[i].empty() && findMatchingBracket(cm, ranges[i].head, config);
      if (match && cm.getLine(match.from.line).length <= maxHighlightLen) {
        var style = match.match ? "CodeMirror-matchingbracket" : "CodeMirror-nonmatchingbracket";
        marks.push(cm.markText(match.from, Pos(match.from.line, match.from.ch + 1), {className: style}));
        if (match.to && cm.getLine(match.to.line).length <= maxHighlightLen)
          marks.push(cm.markText(match.to, Pos(match.to.line, match.to.ch + 1), {className: style}));
      }
    }

    if (marks.length) {
      // Kludge to work around the IE bug from issue #1193, where text
      // input stops going to the textare whever this fires.
      if (ie_lt8 && cm.state.focused) cm.focus();

      var clear = function() {
        cm.operation(function() {
          for (var i = 0; i < marks.length; i++) marks[i].clear();
        });
      };
      if (autoclear) setTimeout(clear, 800);
      else return clear;
    }
  }

  function doMatchBrackets(cm) {
    cm.operation(function() {
      if (cm.state.matchBrackets.currentlyHighlighted) {
        cm.state.matchBrackets.currentlyHighlighted();
        cm.state.matchBrackets.currentlyHighlighted = null;
      }
      cm.state.matchBrackets.currentlyHighlighted = matchBrackets(cm, false, cm.state.matchBrackets);
    });
  }

  CodeMirror.defineOption("matchBrackets", false, function(cm, val, old) {
    function clear(cm) {
      if (cm.state.matchBrackets && cm.state.matchBrackets.currentlyHighlighted) {
        cm.state.matchBrackets.currentlyHighlighted();
        cm.state.matchBrackets.currentlyHighlighted = null;
      }
    }

    if (old && old != CodeMirror.Init) {
      cm.off("cursorActivity", doMatchBrackets);
      cm.off("focus", doMatchBrackets)
      cm.off("blur", clear)
      clear(cm);
    }
    if (val) {
      cm.state.matchBrackets = typeof val == "object" ? val : {};
      cm.on("cursorActivity", doMatchBrackets);
      cm.on("focus", doMatchBrackets)
      cm.on("blur", clear)
    }
  });

  CodeMirror.defineExtension("matchBrackets", function() {matchBrackets(this, true);});
  CodeMirror.defineExtension("findMatchingBracket", function(pos, config, oldConfig){
    // Backwards-compatibility kludge
    if (oldConfig || typeof config == "boolean") {
      if (!oldConfig) {
        config = config ? {strict: true} : null
      } else {
        oldConfig.strict = config
        config = oldConfig
      }
    }
    return findMatchingBracket(this, pos, config)
  });
  CodeMirror.defineExtension("scanForBracket", function(pos, dir, style, config){
    return scanForBracket(this, pos, dir, style, config);
  });
});

// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: https://codemirror.net/LICENSE

(function(mod) {
  if (typeof exports == "object" && typeof module == "object") // CommonJS
    mod(require("../../lib/codemirror"));
  else if (typeof define == "function" && define.amd) // AMD
    define('codemirror/addon/edit/closebrackets',["../../lib/codemirror"], mod);
  else // Plain browser env
    mod(CodeMirror);
})(function(CodeMirror) {
  var defaults = {
    pairs: "()[]{}''\"\"",
    closeBefore: ")]}'\":;>",
    triples: "",
    explode: "[]{}"
  };

  var Pos = CodeMirror.Pos;

  CodeMirror.defineOption("autoCloseBrackets", false, function(cm, val, old) {
    if (old && old != CodeMirror.Init) {
      cm.removeKeyMap(keyMap);
      cm.state.closeBrackets = null;
    }
    if (val) {
      ensureBound(getOption(val, "pairs"))
      cm.state.closeBrackets = val;
      cm.addKeyMap(keyMap);
    }
  });

  function getOption(conf, name) {
    if (name == "pairs" && typeof conf == "string") return conf;
    if (typeof conf == "object" && conf[name] != null) return conf[name];
    return defaults[name];
  }

  var keyMap = {Backspace: handleBackspace, Enter: handleEnter};
  function ensureBound(chars) {
    for (var i = 0; i < chars.length; i++) {
      var ch = chars.charAt(i), key = "'" + ch + "'"
      if (!keyMap[key]) keyMap[key] = handler(ch)
    }
  }
  ensureBound(defaults.pairs + "`")

  function handler(ch) {
    return function(cm) { return handleChar(cm, ch); };
  }

  function getConfig(cm) {
    var deflt = cm.state.closeBrackets;
    if (!deflt || deflt.override) return deflt;
    var mode = cm.getModeAt(cm.getCursor());
    return mode.closeBrackets || deflt;
  }

  function handleBackspace(cm) {
    var conf = getConfig(cm);
    if (!conf || cm.getOption("disableInput")) return CodeMirror.Pass;

    var pairs = getOption(conf, "pairs");
    var ranges = cm.listSelections();
    for (var i = 0; i < ranges.length; i++) {
      if (!ranges[i].empty()) return CodeMirror.Pass;
      var around = charsAround(cm, ranges[i].head);
      if (!around || pairs.indexOf(around) % 2 != 0) return CodeMirror.Pass;
    }
    for (var i = ranges.length - 1; i >= 0; i--) {
      var cur = ranges[i].head;
      cm.replaceRange("", Pos(cur.line, cur.ch - 1), Pos(cur.line, cur.ch + 1), "+delete");
    }
  }

  function handleEnter(cm) {
    var conf = getConfig(cm);
    var explode = conf && getOption(conf, "explode");
    if (!explode || cm.getOption("disableInput")) return CodeMirror.Pass;

    var ranges = cm.listSelections();
    for (var i = 0; i < ranges.length; i++) {
      if (!ranges[i].empty()) return CodeMirror.Pass;
      var around = charsAround(cm, ranges[i].head);
      if (!around || explode.indexOf(around) % 2 != 0) return CodeMirror.Pass;
    }
    cm.operation(function() {
      var linesep = cm.lineSeparator() || "\n";
      cm.replaceSelection(linesep + linesep, null);
      cm.execCommand("goCharLeft");
      ranges = cm.listSelections();
      for (var i = 0; i < ranges.length; i++) {
        var line = ranges[i].head.line;
        cm.indentLine(line, null, true);
        cm.indentLine(line + 1, null, true);
      }
    });
  }

  function contractSelection(sel) {
    var inverted = CodeMirror.cmpPos(sel.anchor, sel.head) > 0;
    return {anchor: new Pos(sel.anchor.line, sel.anchor.ch + (inverted ? -1 : 1)),
            head: new Pos(sel.head.line, sel.head.ch + (inverted ? 1 : -1))};
  }

  function handleChar(cm, ch) {
    var conf = getConfig(cm);
    if (!conf || cm.getOption("disableInput")) return CodeMirror.Pass;

    var pairs = getOption(conf, "pairs");
    var pos = pairs.indexOf(ch);
    if (pos == -1) return CodeMirror.Pass;

    var closeBefore = getOption(conf,"closeBefore");

    var triples = getOption(conf, "triples");

    var identical = pairs.charAt(pos + 1) == ch;
    var ranges = cm.listSelections();
    var opening = pos % 2 == 0;

    var type;
    for (var i = 0; i < ranges.length; i++) {
      var range = ranges[i], cur = range.head, curType;
      var next = cm.getRange(cur, Pos(cur.line, cur.ch + 1));
      if (opening && !range.empty()) {
        curType = "surround";
      } else if ((identical || !opening) && next == ch) {
        if (identical && stringStartsAfter(cm, cur))
          curType = "both";
        else if (triples.indexOf(ch) >= 0 && cm.getRange(cur, Pos(cur.line, cur.ch + 3)) == ch + ch + ch)
          curType = "skipThree";
        else
          curType = "skip";
      } else if (identical && cur.ch > 1 && triples.indexOf(ch) >= 0 &&
                 cm.getRange(Pos(cur.line, cur.ch - 2), cur) == ch + ch) {
        if (cur.ch > 2 && /\bstring/.test(cm.getTokenTypeAt(Pos(cur.line, cur.ch - 2)))) return CodeMirror.Pass;
        curType = "addFour";
      } else if (identical) {
        var prev = cur.ch == 0 ? " " : cm.getRange(Pos(cur.line, cur.ch - 1), cur)
        if (!CodeMirror.isWordChar(next) && prev != ch && !CodeMirror.isWordChar(prev)) curType = "both";
        else return CodeMirror.Pass;
      } else if (opening && (next.length === 0 || /\s/.test(next) || closeBefore.indexOf(next) > -1)) {
        curType = "both";
      } else {
        return CodeMirror.Pass;
      }
      if (!type) type = curType;
      else if (type != curType) return CodeMirror.Pass;
    }

    var left = pos % 2 ? pairs.charAt(pos - 1) : ch;
    var right = pos % 2 ? ch : pairs.charAt(pos + 1);
    cm.operation(function() {
      if (type == "skip") {
        cm.execCommand("goCharRight");
      } else if (type == "skipThree") {
        for (var i = 0; i < 3; i++)
          cm.execCommand("goCharRight");
      } else if (type == "surround") {
        var sels = cm.getSelections();
        for (var i = 0; i < sels.length; i++)
          sels[i] = left + sels[i] + right;
        cm.replaceSelections(sels, "around");
        sels = cm.listSelections().slice();
        for (var i = 0; i < sels.length; i++)
          sels[i] = contractSelection(sels[i]);
        cm.setSelections(sels);
      } else if (type == "both") {
        cm.replaceSelection(left + right, null);
        cm.triggerElectric(left + right);
        cm.execCommand("goCharLeft");
      } else if (type == "addFour") {
        cm.replaceSelection(left + left + left + left, "before");
        cm.execCommand("goCharRight");
      }
    });
  }

  function charsAround(cm, pos) {
    var str = cm.getRange(Pos(pos.line, pos.ch - 1),
                          Pos(pos.line, pos.ch + 1));
    return str.length == 2 ? str : null;
  }

  function stringStartsAfter(cm, pos) {
    var token = cm.getTokenAt(Pos(pos.line, pos.ch + 1))
    return /\bstring/.test(token.type) && token.start == pos.ch &&
      (pos.ch == 0 || !/\bstring/.test(cm.getTokenTypeAt(pos)))
  }
});

// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: https://codemirror.net/LICENSE

(function(mod) {
  if (typeof exports == "object" && typeof module == "object") // CommonJS
    mod(require("../../lib/codemirror"));
  else if (typeof define == "function" && define.amd) // AMD
    define('codemirror/addon/comment/comment',["../../lib/codemirror"], mod);
  else // Plain browser env
    mod(CodeMirror);
})(function(CodeMirror) {
  "use strict";

  var noOptions = {};
  var nonWS = /[^\s\u00a0]/;
  var Pos = CodeMirror.Pos, cmp = CodeMirror.cmpPos;

  function firstNonWS(str) {
    var found = str.search(nonWS);
    return found == -1 ? 0 : found;
  }

  CodeMirror.commands.toggleComment = function(cm) {
    cm.toggleComment();
  };

  CodeMirror.defineExtension("toggleComment", function(options) {
    if (!options) options = noOptions;
    var cm = this;
    var minLine = Infinity, ranges = this.listSelections(), mode = null;
    for (var i = ranges.length - 1; i >= 0; i--) {
      var from = ranges[i].from(), to = ranges[i].to();
      if (from.line >= minLine) continue;
      if (to.line >= minLine) to = Pos(minLine, 0);
      minLine = from.line;
      if (mode == null) {
        if (cm.uncomment(from, to, options)) mode = "un";
        else { cm.lineComment(from, to, options); mode = "line"; }
      } else if (mode == "un") {
        cm.uncomment(from, to, options);
      } else {
        cm.lineComment(from, to, options);
      }
    }
  });

  // Rough heuristic to try and detect lines that are part of multi-line string
  function probablyInsideString(cm, pos, line) {
    return /\bstring\b/.test(cm.getTokenTypeAt(Pos(pos.line, 0))) && !/^[\'\"\`]/.test(line)
  }

  function getMode(cm, pos) {
    var mode = cm.getMode()
    return mode.useInnerComments === false || !mode.innerMode ? mode : cm.getModeAt(pos)
  }

  CodeMirror.defineExtension("lineComment", function(from, to, options) {
    if (!options) options = noOptions;
    var self = this, mode = getMode(self, from);
    var firstLine = self.getLine(from.line);
    if (firstLine == null || probablyInsideString(self, from, firstLine)) return;

    var commentString = options.lineComment || mode.lineComment;
    if (!commentString) {
      if (options.blockCommentStart || mode.blockCommentStart) {
        options.fullLines = true;
        self.blockComment(from, to, options);
      }
      return;
    }

    var end = Math.min(to.ch != 0 || to.line == from.line ? to.line + 1 : to.line, self.lastLine() + 1);
    var pad = options.padding == null ? " " : options.padding;
    var blankLines = options.commentBlankLines || from.line == to.line;

    self.operation(function() {
      if (options.indent) {
        var baseString = null;
        for (var i = from.line; i < end; ++i) {
          var line = self.getLine(i);
          var whitespace = line.slice(0, firstNonWS(line));
          if (baseString == null || baseString.length > whitespace.length) {
            baseString = whitespace;
          }
        }
        for (var i = from.line; i < end; ++i) {
          var line = self.getLine(i), cut = baseString.length;
          if (!blankLines && !nonWS.test(line)) continue;
          if (line.slice(0, cut) != baseString) cut = firstNonWS(line);
          self.replaceRange(baseString + commentString + pad, Pos(i, 0), Pos(i, cut));
        }
      } else {
        for (var i = from.line; i < end; ++i) {
          if (blankLines || nonWS.test(self.getLine(i)))
            self.replaceRange(commentString + pad, Pos(i, 0));
        }
      }
    });
  });

  CodeMirror.defineExtension("blockComment", function(from, to, options) {
    if (!options) options = noOptions;
    var self = this, mode = getMode(self, from);
    var startString = options.blockCommentStart || mode.blockCommentStart;
    var endString = options.blockCommentEnd || mode.blockCommentEnd;
    if (!startString || !endString) {
      if ((options.lineComment || mode.lineComment) && options.fullLines != false)
        self.lineComment(from, to, options);
      return;
    }
    if (/\bcomment\b/.test(self.getTokenTypeAt(Pos(from.line, 0)))) return

    var end = Math.min(to.line, self.lastLine());
    if (end != from.line && to.ch == 0 && nonWS.test(self.getLine(end))) --end;

    var pad = options.padding == null ? " " : options.padding;
    if (from.line > end) return;

    self.operation(function() {
      if (options.fullLines != false) {
        var lastLineHasText = nonWS.test(self.getLine(end));
        self.replaceRange(pad + endString, Pos(end));
        self.replaceRange(startString + pad, Pos(from.line, 0));
        var lead = options.blockCommentLead || mode.blockCommentLead;
        if (lead != null) for (var i = from.line + 1; i <= end; ++i)
          if (i != end || lastLineHasText)
            self.replaceRange(lead + pad, Pos(i, 0));
      } else {
        var atCursor = cmp(self.getCursor("to"), to) == 0, empty = !self.somethingSelected()
        self.replaceRange(endString, to);
        if (atCursor) self.setSelection(empty ? to : self.getCursor("from"), to)
        self.replaceRange(startString, from);
      }
    });
  });

  CodeMirror.defineExtension("uncomment", function(from, to, options) {
    if (!options) options = noOptions;
    var self = this, mode = getMode(self, from);
    var end = Math.min(to.ch != 0 || to.line == from.line ? to.line : to.line - 1, self.lastLine()), start = Math.min(from.line, end);

    // Try finding line comments
    var lineString = options.lineComment || mode.lineComment, lines = [];
    var pad = options.padding == null ? " " : options.padding, didSomething;
    lineComment: {
      if (!lineString) break lineComment;
      for (var i = start; i <= end; ++i) {
        var line = self.getLine(i);
        var found = line.indexOf(lineString);
        if (found > -1 && !/comment/.test(self.getTokenTypeAt(Pos(i, found + 1)))) found = -1;
        if (found == -1 && nonWS.test(line)) break lineComment;
        if (found > -1 && nonWS.test(line.slice(0, found))) break lineComment;
        lines.push(line);
      }
      self.operation(function() {
        for (var i = start; i <= end; ++i) {
          var line = lines[i - start];
          var pos = line.indexOf(lineString), endPos = pos + lineString.length;
          if (pos < 0) continue;
          if (line.slice(endPos, endPos + pad.length) == pad) endPos += pad.length;
          didSomething = true;
          self.replaceRange("", Pos(i, pos), Pos(i, endPos));
        }
      });
      if (didSomething) return true;
    }

    // Try block comments
    var startString = options.blockCommentStart || mode.blockCommentStart;
    var endString = options.blockCommentEnd || mode.blockCommentEnd;
    if (!startString || !endString) return false;
    var lead = options.blockCommentLead || mode.blockCommentLead;
    var startLine = self.getLine(start), open = startLine.indexOf(startString)
    if (open == -1) return false
    var endLine = end == start ? startLine : self.getLine(end)
    var close = endLine.indexOf(endString, end == start ? open + startString.length : 0);
    var insideStart = Pos(start, open + 1), insideEnd = Pos(end, close + 1)
    if (close == -1 ||
        !/comment/.test(self.getTokenTypeAt(insideStart)) ||
        !/comment/.test(self.getTokenTypeAt(insideEnd)) ||
        self.getRange(insideStart, insideEnd, "\n").indexOf(endString) > -1)
      return false;

    // Avoid killing block comments completely outside the selection.
    // Positions of the last startString before the start of the selection, and the first endString after it.
    var lastStart = startLine.lastIndexOf(startString, from.ch);
    var firstEnd = lastStart == -1 ? -1 : startLine.slice(0, from.ch).indexOf(endString, lastStart + startString.length);
    if (lastStart != -1 && firstEnd != -1 && firstEnd + endString.length != from.ch) return false;
    // Positions of the first endString after the end of the selection, and the last startString before it.
    firstEnd = endLine.indexOf(endString, to.ch);
    var almostLastStart = endLine.slice(to.ch).lastIndexOf(startString, firstEnd - to.ch);
    lastStart = (firstEnd == -1 || almostLastStart == -1) ? -1 : to.ch + almostLastStart;
    if (firstEnd != -1 && lastStart != -1 && lastStart != to.ch) return false;

    self.operation(function() {
      self.replaceRange("", Pos(end, close - (pad && endLine.slice(close - pad.length, close) == pad ? pad.length : 0)),
                        Pos(end, close + endString.length));
      var openEnd = open + startString.length;
      if (pad && startLine.slice(openEnd, openEnd + pad.length) == pad) openEnd += pad.length;
      self.replaceRange("", Pos(start, open), Pos(start, openEnd));
      if (lead) for (var i = start + 1; i <= end; ++i) {
        var line = self.getLine(i), found = line.indexOf(lead);
        if (found == -1 || nonWS.test(line.slice(0, found))) continue;
        var foundEnd = found + lead.length;
        if (pad && line.slice(foundEnd, foundEnd + pad.length) == pad) foundEnd += pad.length;
        self.replaceRange("", Pos(i, found), Pos(i, foundEnd));
      }
    });
    return true;
  });
});

// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.

define('services/config',[
    'base/js/utils',
    ],
function(utils) {
    "use strict";
    var ConfigSection = function(section_name, options) {
        this.section_name = section_name;
        this.nbclassic_path = options.nbclassic_path;
        this.base_url = options.base_url;
        this.data = {};
        
        var that = this;
        
        /* .loaded is a promise, fulfilled the first time the config is loaded
         * from the server. Code can do:
         *      conf.loaded.then(function() { ... using conf.data ... });
         */
        this._one_load_finished = false;
        this.loaded = new Promise(function(resolve, reject) {
            that._finish_firstload = resolve;
        });
    };

    ConfigSection.prototype.api_url = function() {
        return utils.url_path_join(this.base_url, 'api/config',
            utils.encode_uri_components(this.section_name));
    };
    
    ConfigSection.prototype._load_done = function() {
        if (!this._one_load_finished) {
            this._one_load_finished = true;
            this._finish_firstload();
        }
    };
    
    ConfigSection.prototype.load = function() {
        var that = this;
        return utils.promising_ajax(this.api_url(), {
            cache: false,
            type: "GET",
            dataType: "json",
        }).then(function(data) {
            that.data = data;
            that._load_done();
            return data;
        });
    };
    
    /**
     * Modify the config values stored. Update the local data immediately,
     * send the change to the server, and use the updated data from the server
     * when the reply comes.
     */
    ConfigSection.prototype.update = function(newdata) {
        $.extend(true, this.data, newdata);  // true -> recursive update
        
        var that = this;
        return utils.promising_ajax(this.api_url(), {
            processData: false,
            type : "PATCH",
            data: JSON.stringify(newdata),
            dataType : "json",
            contentType: 'application/json',
        }).then(function(data) {
            that.data = data;
            that._load_done();
            return data;
        });
    };
    
    
    var ConfigWithDefaults = function(section, defaults, classname) {
        this.section = section;
        this.defaults = defaults;
        this.classname = classname;
    };
    
    ConfigWithDefaults.prototype._class_data = function() {
        if (this.classname) {
            return this.section.data[this.classname] || {};
        } else {
            return this.section.data;
        }
    };
    
    /**
     * Wait for config to have loaded, then get a value or the default.
     * Returns a promise.
     */
    ConfigWithDefaults.prototype.get = function(key) {
        var that = this;
        return this.section.loaded.then(function() {
            return that.get_sync(key);
        });
    };
    
    /**
     * Return a config value. If config is not yet loaded, return the default
     * instead of waiting for it to load.
     */
    ConfigWithDefaults.prototype.get_sync = function(key) {
        var data = this._class_data();
        if (key === undefined) {
            // no key specified, return full config data
            return $.extend(true, {}, this.defaults, data);
        }

        var value = data[key];
        if (value !== undefined) {
            if (typeof value == 'object') {
                // merge with defaults if it's an object
                return $.extend(true, {}, this.defaults[key], value);
            } else {
                return value;
            }
        }
        return this.defaults[key];
    };
    
    /**
     * Set a config value. Send the update to the server, and change our
     * local copy of the data immediately.
     * Returns a promise which is fulfilled when the server replies to the
     * change.
     */
     ConfigWithDefaults.prototype.set = function(key, value) {
         var d = {};
         d[key] = value;
         if (this.classname) {
            var d2 = {};
            d2[this.classname] = d;
            return this.section.update(d2);
        } else {
            return this.section.update(d);
        }
    };
    
    return {ConfigSection: ConfigSection,
            ConfigWithDefaults: ConfigWithDefaults,
           };

});

// Distributed under the terms of the Modified BSD License.

/**
 *
 *
 * @module cell
 * @namespace cell
 * @class Cell
 */


define('notebook/js/cell',[
    'jquery',
    'base/js/utils',
    'base/js/i18n',
    'codemirror/lib/codemirror',
    'codemirror/addon/edit/matchbrackets',
    'codemirror/addon/edit/closebrackets',
    'codemirror/addon/comment/comment',
    'services/config',
], function($, utils, i18n, CodeMirror, cm_match, cm_closeb, cm_comment, configmod) {
    "use strict";

    function is_single_cursor(dict1, dict2) {
        return ((dict1.line == dict2.line) && (dict1.ch == dict2.ch));
    };
    
    var overlayHack = CodeMirror.scrollbarModel.native.prototype.overlayHack;

    CodeMirror.scrollbarModel.native.prototype.overlayHack = function () {
        overlayHack.apply(this, arguments);
        // Reverse `min-height: 18px` scrollbar hack on OS X
        // which causes a dead area, making it impossible to click on the last line
        // when there is horizontal scrolling to do and the "show scrollbar only when scrolling" behavior
        // is enabled.
        // This, in turn, has the undesirable behavior of never showing the horizontal scrollbar,
        // even when it should, which is less problematic, at least.
        if (/Mac/.test(navigator.platform)) {
            this.horiz.style.minHeight = "";
        }
    };
    
    var Cell = function (options) {
        /* Constructor
         *
         * The Base `Cell` class from which to inherit.
         * @constructor
         * @param:
         *  options: dictionary
         *      Dictionary of keyword arguments.
         *          events: $(Events) instance
         *          config: dictionary
         *          keyboard_manager: KeyboardManager instance
         */
        options = options || {};
        this.keyboard_manager = options.keyboard_manager;
        this.events = options.events;
        var config = options.config;
        // superclass default overwrite our default
        
        this.selected = false;
        this.anchor = false;
        this.rendered = false;
        this.mode = 'command';

        // Metadata property
        var that = this;
        this._metadata = {};
        Object.defineProperty(this, 'metadata', {
            get: function() { return that._metadata; },
            set: function(value) {
                that._metadata = value;
                if (that.celltoolbar) {
                    that.celltoolbar.rebuild();
                }
            }
        });


        // backward compat.
        Object.defineProperty(this, 'cm_config', {
            get: function() {
                console.warn(i18n.msg._("Warning: accessing Cell.cm_config directly is deprecated."));
                return that._options.cm_config;
            },
        });

        // load this from metadata later ?
        this.user_highlight = 'auto';

        // merge my class-specific config data with general cell-level config
        var class_config_data = {};
        if (this.class_config) {
            class_config_data = this.class_config.get_sync();
        }

        var cell_config = new configmod.ConfigWithDefaults(options.config,
            Cell.options_default, 'Cell');
        var cell_config_data = cell_config.get_sync();

        // this._options is a merge of SomeCell and Cell config data:
        this._options = utils.mergeopt({}, cell_config_data, class_config_data);
        this.placeholder = this._options.placeholder || '';

        this.cell_id = utils.uuid();

        // For JS VM engines optimization, attributes should be all set (even
        // to null) in the constructor, and if possible, if different subclass
        // have new attributes with same name, they should be created in the
        // same order. Easiest is to create and set to null in parent class.

        this.element = null;
        this.cell_type = this.cell_type || null;
        this.code_mirror = null;

        // The nbformat only specifies attachments for textcell, but to avoid
        // data loss when switching between cell types in the UI, all cells
        // have an attachments property here. It is only saved to disk
        // for textcell though (in toJSON)
        this.attachments = {};

        this.create_element();
        if (this.element !== null) {
            this.element.data("cell", this);
            this.bind_events();
            this.init_classes();
        }
    };

    Cell.options_default = {
        cm_config : {
            indentUnit : 4,
            readOnly: false,
            theme: "default",
            extraKeys: {
                "Cmd-Right": "goLineRight",
                "End": "goLineRight",
                "Cmd-Left": "goLineLeft",
                "Tab": "indentMore",
                "Shift-Tab" : "indentLess",
                "Cmd-/" : "toggleComment",
                "Ctrl-/" : "toggleComment",
            }
        }
    };
    
    // FIXME: Workaround CM Bug #332 (Safari segfault on drag)
    // by disabling drag/drop altogether on Safari
    // https://github.com/codemirror/CodeMirror/issues/332    
    if (utils.browser[0] == "Safari") {
        Cell.options_default.cm_config.dragDrop = false;
    }

    /**
     * Empty. Subclasses must implement create_element.
     * This should contain all the code to create the DOM element in notebook
     * and will be called by Base Class constructor.
     * @method create_element
     */
    Cell.prototype.create_element = function () {
    };

    Cell.prototype.init_classes = function () {
        /**
         * Call after this.element exists to initialize the css classes
         * related to selected, rendered and mode.
         */
        if (this.selected) {
            this.element.addClass('selected');
        } else {
            this.element.addClass('unselected');
        }
        if (this.rendered) {
            this.element.addClass('rendered');
        } else {
            this.element.addClass('unrendered');
        }
    };

    /**
     * trigger on focus and on click to bubble up to the notebook and
     * potentially extend the selection if shift-click, contract the selection
     * if just codemirror focus (so edit mode).
     * We **might** be able to move that to notebook `handle_edit_mode`.
     */
    Cell.prototype._on_click = function (event) {
        if (!this.selected) {
            this.events.trigger('select.Cell', {'cell':this, 'extendSelection':event.shiftKey});
        } else {
            // I'm already part of the selection; contract selection to just me
            this.events.trigger('select.Cell', {'cell': this});
        }
    };

    /**
     * Subclasses can implement override bind_events.
     * Be careful to call the parent method when overwriting as it fires event.
     * this will be triggered after create_element in constructor.
     * @method bind_events
     */
    Cell.prototype.bind_events = function () {
        var that = this;
        // We trigger events so that Cell doesn't have to depend on Notebook.
        that.element.click(function (event) {
            that._on_click(event);
        });
        if (this.code_mirror) {
            this.code_mirror.on("change", function(cm, change) {
                that.events.trigger("change.Cell", {cell: that, change: change});
                that.events.trigger("set_dirty.Notebook", {value: true});
            });
        }
        if (this.code_mirror) {
            this.code_mirror.on('focus', function(cm, change) {
                if (!that.selected) {
                    that.events.trigger('select.Cell', {'cell':that});
                }
                that.events.trigger('edit_mode.Cell', {cell: that});
            });
        }
        if (this.code_mirror) {
            this.code_mirror.on('blur', function(cm, change) {
                that.events.trigger('command_mode.Cell', {cell: that});
            });
        }

        this.element.dblclick(function () {
            if (that.selected === false) {
                this.events.trigger('select.Cell', {'cell':that});
            }
        });
    };
    
    /**
     * This method gets called in CodeMirror's onKeyDown/onKeyPress
     * handlers and is used to provide custom key handling.
     *
     * To have custom handling, subclasses should override this method, but still call it
     * in order to process the Edit mode keyboard shortcuts.
     *
     * @method handle_codemirror_keyevent
     * @param {CodeMirror} editor - The codemirror instance bound to the cell
     * @param {event} event - key press event which either should or should not be handled by CodeMirror
     * @return {Boolean} `true` if CodeMirror should ignore the event, `false` Otherwise
     */
    Cell.prototype.handle_codemirror_keyevent = function (editor, event) {
        var shortcuts = this.keyboard_manager.edit_shortcuts;

        var cur = editor.getCursor();
        if((cur.line !== 0 || cur.ch !==0) && event.keyCode === 38){
            event._ipkmIgnore = true;
        }
        var nLastLine = editor.lastLine();
        if ((event.keyCode === 40) &&
             ((cur.line !== nLastLine) ||
               (cur.ch !== editor.getLineHandle(nLastLine).text.length))
           ) {
            event._ipkmIgnore = true;
        }
        // if this is an edit_shortcuts shortcut, the global keyboard/shortcut
        // manager will handle it
        if (shortcuts.handles(event)) {
            return true;
        }
        
        return false;
    };


    /**
     * Triger typesetting of math by mathjax on current cell element
     * @method typeset
     */
    Cell.prototype.typeset = function () {
        utils.typeset(this.element);
    };

    /**
     * handle cell level logic when a cell is selected
     * @method select
     * @return is the action being taken
     */
    Cell.prototype.select = function (moveanchor) {
        // if anchor is true, set the move the anchor
        moveanchor = (moveanchor === undefined)? true:moveanchor;
        if(moveanchor){
            this.anchor=true;
        }

        if (!this.selected) {
            this.element.addClass('selected');
            this.element.removeClass('unselected');
            this.selected = true;
            // disable 'insert image' menu item (specific cell types will enable
            // it in their override select())
            this.notebook.set_insert_image_enabled(false);
            return true;
        } else {
            return false;
        }
    };

    /**
     * handle cell level logic when the cell is unselected
     * @method unselect
     * @return is the action being taken
     */
    Cell.prototype.unselect = function (moveanchor) {
        // if anchor is true, remove also the anchor
        moveanchor = (moveanchor === undefined)? true:moveanchor;
        if (moveanchor){
            this.anchor = false;
        }
        if (this.selected) {
            this.element.addClass('unselected');
            this.element.removeClass('selected');
            this.selected = false;
            return true;
        } else {
            return false;
        }
    };
    

    /**
     * should be overwritten by subclass
     * @method execute
     */
    Cell.prototype.execute = function () {
        return;
    };

    /**
     * handle cell level logic when a cell is rendered
     * @method render
     * @return is the action being taken
     */
    Cell.prototype.render = function () {
        if (!this.rendered) {
            this.element.addClass('rendered');
            this.element.removeClass('unrendered');
            this.rendered = true;
            return true;
        } else {
            return false;
        }
    };

    /**
     * handle cell level logic when a cell is unrendered
     * @method unrender
     * @return is the action being taken
     */
    Cell.prototype.unrender = function () {
        if (this.rendered) {
            this.element.addClass('unrendered');
            this.element.removeClass('rendered');
            this.rendered = false;
            return true;
        } else {
            return false;
        }
    };

    /**
     * Delegates keyboard shortcut handling to either Jupyter keyboard
     * manager when in command mode, or CodeMirror when in edit mode
     *
     * @method handle_keyevent
     * @param {CodeMirror} editor - The codemirror instance bound to the cell
     * @param {event} - key event to be handled
     * @return {Boolean} `true` if CodeMirror should ignore the event, `false` Otherwise
     */
    Cell.prototype.handle_keyevent = function (editor, event) {
        if (this.mode === 'command') {
            return true;
        } else if (this.mode === 'edit') {
            return this.handle_codemirror_keyevent(editor, event);
        }
    };

    /**
     * @method at_top
     * @return {Boolean}
     */
    Cell.prototype.at_top = function () {
        var cm = this.code_mirror;
        var cursor = cm.getCursor();
        if (cursor.line === 0 && cursor.ch === 0) {
            return true;
        }
        return false;
    };

    /**
     * @method at_bottom
     * @return {Boolean}
     * */
    Cell.prototype.at_bottom = function () {
        var cm = this.code_mirror;
        var cursor = cm.getCursor();
        if (cursor.line === (cm.lineCount()-1) && cursor.ch === cm.getLine(cursor.line).length) {
            return true;
        }
        return false;
    };

    /**
     * enter the command mode for the cell
     * @method command_mode
     * @return is the action being taken
     */
    Cell.prototype.command_mode = function () {
        if (this.mode !== 'command') {
            this.mode = 'command';
            return true;
        } else {
            return false;
        }
    };

    /**
     * enter the edit mode for the cell
     * @method command_mode
     * @return is the action being taken
     */
    Cell.prototype.edit_mode = function () {
        if (this.mode !== 'edit') {
            this.mode = 'edit';
            return true;
        } else {
            return false;
        }
    };

    Cell.prototype.ensure_focused = function() {
        if(this.element !== document.activeElement && !this.code_mirror.hasFocus()){
            this.focus_cell();
        }
    };
    
    /**
     * Focus the cell in the DOM sense
     * @method focus_cell
     */
    Cell.prototype.focus_cell = function () {
        this.element.focus();
        this._on_click({});
    };

    /**
     * Focus the editor area so a user can type
     *
     * NOTE: If codemirror is focused via a mouse click event, you don't want to
     * call this because it will cause a page jump.
     * @method focus_editor
     */
    Cell.prototype.focus_editor = function () {
        this.refresh();
        this.code_mirror.focus();
    };

    /**
     * Refresh codemirror instance
     * @method refresh
     */
    Cell.prototype.refresh = function () {
        if (this.code_mirror) {
            this.code_mirror.refresh();
        }
    };

    /**
     * should be overwritten by subclass
     * @method get_text
     */
    Cell.prototype.get_text = function () {
    };

    /**
     * should be overwritten by subclass
     * @method set_text
     * @param {string} text
     */
    Cell.prototype.set_text = function (text) {
    };

    /**
     * should be overwritten by subclass
     * serialise cell to json.
     * @method toJSON
     **/
    Cell.prototype.toJSON = function () {
        var data = {};
        // deepcopy the metadata so copied cells don't share the same object
        data.metadata = JSON.parse(JSON.stringify(this.metadata));
        if (this.id !== undefined) {
            data.id = this.id;
        }
        if (data.metadata.deletable) {
            delete data.metadata.deletable;
        }
        if (data.metadata.editable) {
            delete data.metadata.editable;
        }
        if (data.metadata.collapsed === false) {
            delete data.metadata.collapsed;
        }
        data.cell_type = this.cell_type;
        return data;
    };

    /**
     * should be overwritten by subclass
     * @method fromJSON
     **/
    Cell.prototype.fromJSON = function (data) {
        if (data.metadata !== undefined) {
            this.metadata = data.metadata;
        }
        if (data.id !== undefined) {
            this.id = data.id;
        }
    };


    /**
     * can the cell be split into two cells (false if not deletable)
     *
     * @method is_splittable
     **/
    Cell.prototype.is_splittable = function () {
        return this.is_deletable();
    };


    /**
     * can the cell be merged with other cells (false if not deletable)
     * @method is_mergeable
     **/
    Cell.prototype.is_mergeable = function () {
        return this.is_deletable();
    };

    /**
     * is the cell edtitable? only false (readonly) if
     * metadata.editable is explicitly false -- everything else
     * counts as true
     *
     * @method is_editable
     **/
    Cell.prototype.is_editable = function () {
        if (this.metadata.editable === false) {
            return false;
        }
        return true;
    };

    /**
     * is the cell deletable? only false (undeletable) if
     * metadata.deletable is explicitly false or if the cell is not
     * editable -- everything else counts as true
     *
     * @method is_deletable
     **/
    Cell.prototype.is_deletable = function () {
        if (this.metadata.deletable === false || !this.is_editable()) {
            return false;
        }
        return true;
    };

    /**
     * @return {String} - the text before the cursor
     * @method get_pre_cursor
     **/
    Cell.prototype.get_pre_cursor = function () {
        var cursor = this.code_mirror.getCursor();
        var text = this.code_mirror.getRange({line:0, ch:0}, cursor);
        text = text.replace(/^\n+/, '').replace(/\n+$/, '');
        return text;
    };


    /**
     * @return {String} - the text after the cursor
     * @method get_post_cursor
     **/
    Cell.prototype.get_post_cursor = function () {
        var cursor = this.code_mirror.getCursor();
        var last_line_num = this.code_mirror.lineCount()-1;
        var last_line_len = this.code_mirror.getLine(last_line_num).length;
        var end = {line:last_line_num, ch:last_line_len};
        var text = this.code_mirror.getRange(cursor, end);
        text = text.replace(/^\n+/, '').replace(/\n+$/, '');
        return text;
    };


    /**
     * @return {Array} - the text between cursors and within selections (multicursor/sorted)
     * @method get_split_text
     **/
    Cell.prototype.get_split_text = function () {
        var start = {line:0, ch:0};
        var last_line_num = this.code_mirror.lineCount()-1;
        var last_line_len = this.code_mirror.getLine(last_line_num).length;
        var end = {line:last_line_num, ch:last_line_len};

        var flag_empty_cell = is_single_cursor(start, end);
        var flag_first_position = false;
        var flag_last_position = false;
        var flag_all_select = false;

        var ranges = this.code_mirror.listSelections();

        var cursors = [start];

        for (var i = 0; i < ranges.length; i++) {
            // append both to handle selections
            // ranges[i].head.sticky is null if ctrl-a select
            if ((ranges[i].head.sticky == 'before') || (ranges[i].head.sticky === null )) {
                cursors.push(ranges[i].anchor);
                cursors.push(ranges[i].head);
                if (is_single_cursor(ranges[i].anchor, start) &&
                    is_single_cursor(ranges[i].head, end)) {
                    flag_all_select = true;
                }
            } else {
                cursors.push(ranges[i].head);
                cursors.push(ranges[i].anchor);
                if (is_single_cursor(ranges[i].head, start) &&
                    is_single_cursor(ranges[i].anchor, end)) {
                    flag_all_select = true;
                }
            }
            // single cursor at beginning or end of cell
            if (is_single_cursor(ranges[i].head, ranges[i].anchor)) {
                if (is_single_cursor(ranges[i].head, start)) flag_first_position = true;
                if (is_single_cursor(ranges[i].head, end)) flag_last_position = true;
            }
        }
        cursors.push(end);

        // Cursors is now sorted, but likely has duplicates due to anchor and head being the same for cursors
        var locations = [cursors[0]];
        for (var i = 1; i < cursors.length; i++) {
            var last = locations[locations.length-1];
            var current = cursors[i];
            if ((last.line != current.line) || (last.ch != current.ch)) {
                locations.push(cursors[i]);
            }
        }

        // Split text
        var text_list = [];
        // Split single cursors at first position
        if (flag_empty_cell || flag_first_position) text_list.push('');
        for (var i = 1; i < locations.length; i++) {
            var text = this.code_mirror.getRange(locations[i-1], locations[i]);
            text = text.replace(/^\n+/, '').replace(/\n+$/, ''); // removes newlines at beginning and end
            text_list.push(text);
        }
        // Split single cursors at last position
        if (flag_last_position) text_list.push('');
        // Duplicate cell if full cell is selected
        if ((text_list.length == 1) && flag_all_select && !flag_empty_cell) {
            text_list = text_list.concat(text_list);
        }
        return text_list;
    };

    /**
     * Show/Hide CodeMirror LineNumber
     * @method show_line_numbers
     *
     * @param value {Bool}  show (true), or hide (false) the line number in CodeMirror
     **/
    Cell.prototype.show_line_numbers = function (value) {
        this.code_mirror.setOption('lineNumbers', value);
        this.code_mirror.refresh();
    };

    /**
     * Toggle  CodeMirror LineNumber
     * @method toggle_line_numbers
     **/
    Cell.prototype.toggle_line_numbers = function () {
        var val = this.code_mirror.getOption('lineNumbers');
        this.show_line_numbers(!val);
    };

    /**
     * Force codemirror highlight mode
     * @method force_highlight
     * @param {object} - CodeMirror mode
     **/
    Cell.prototype.force_highlight = function(mode) {
        this.user_highlight = mode;
        this.auto_highlight();
    };
    
    /**
     * Trigger autodetection of highlight scheme for current cell
     * @method auto_highlight
     */
    Cell.prototype.auto_highlight = function () {
        this._auto_highlight(this.class_config.get_sync('highlight_modes'));
    };
    
    /**
     * Try to autodetect cell highlight mode, or use selected mode
     * @methods _auto_highlight
     * @private
     * @param {String|object|undefined} - CodeMirror mode | 'auto'
     **/
    Cell.prototype._auto_highlight = function (modes) {
        /**
         *Here we handle manually selected modes
         */
        var that = this;
        var mode;
        if( this.user_highlight !== undefined &&  this.user_highlight != 'auto' )
        {
            mode = this.user_highlight;
            CodeMirror.autoLoadMode(this.code_mirror, mode);
            this.code_mirror.setOption('mode', mode);
            return;
        }
        var current_mode = this.code_mirror.getOption('mode', mode);
        var first_line = this.code_mirror.getLine(0);
        // loop on every pairs
        for(mode in modes) {
            var regs = modes[mode].reg;
            // only one key every time but regexp can't be keys...
            for(var i=0; i<regs.length; i++) {
                // here we handle non magic_modes.
                // TODO :
                // On 3.0 and below, these things were regex.
                // But now should be string for json-able config. 
                // We should get rid of assuming they might be already 
                // in a later version of Jupyter.
                var re = regs[i];
                if(typeof(re) === 'string'){
                    re = new RegExp(re);
                }
                if(first_line.match(re) !== null) {
                    if(current_mode == mode){
                        return;
                    }
                    if (mode.search('magic_') !== 0) {
                        utils.requireCodeMirrorMode(mode, function (spec) {
                            that.code_mirror.setOption('mode', spec);
                        });
                        return;
                    }
                    var magic_mode = mode;
                    mode = magic_mode.substr(6);
                    if(current_mode == magic_mode){
                        return;
                    }
                    utils.requireCodeMirrorMode(mode, function (spec) {
                        // Add an overlay mode to recognize the first line as "magic" instead
                        // of the mode used for the rest of the cell.
                        CodeMirror.defineMode(magic_mode, function(config) {
                            var magicOverlay = {
                                startState: function() {
                                    return {firstMatched : false, inMagicLine: false};
                                },
                                token: function(stream, state) {
                                    if(!state.firstMatched) {
                                        state.firstMatched = true;
                                        if (stream.match("%%", false)) {
                                            state.inMagicLine = true;
                                        }
                                    }
                                    if (state.inMagicLine) {
                                        stream.eat(function any(ch) { return true; });
                                        if (stream.eol()) {
                                            state.inMagicLine = false;
                                        }
                                        return "magic";
                                    }
                                    stream.skipToEnd();
                                    return null;
                                }
                            };
                            return CodeMirror.overlayMode(CodeMirror.getMode(config, spec), magicOverlay);
                        });
                        that.code_mirror.setOption('mode', magic_mode);
                    });
                    return;
                }
            }
        }
        // fallback on default
        var default_mode;
        try {
            default_mode = this._options.cm_config.mode;
        } catch(e) {
            default_mode = 'text/plain';
        }
        if( current_mode === default_mode){
            return;
        }
        this.code_mirror.setOption('mode', default_mode);
    };

    var UnrecognizedCell = function (options) {
        /** Constructor for unrecognized cells */
        Cell.apply(this, arguments);
        this.cell_type = 'unrecognized';
        this.celltoolbar = null;
        this.data = {};
        
        Object.seal(this);
    };

    UnrecognizedCell.prototype = Object.create(Cell.prototype);
    
    
    // cannot merge or split unrecognized cells
    UnrecognizedCell.prototype.is_mergeable = function () {
        return false;
    };
    
    UnrecognizedCell.prototype.is_splittable = function () {
        return false;
    };
    
    UnrecognizedCell.prototype.toJSON = function () {
        /**
         * deepcopy the metadata so copied cells don't share the same object
         */
        return JSON.parse(JSON.stringify(this.data));
    };

    UnrecognizedCell.prototype.fromJSON = function (data) {
        this.data = data;
        if (data.metadata !== undefined) {
            this.metadata = data.metadata;
        } else {
            data.metadata = this.metadata;
        }
        this.element.find('.inner_cell').find("a").text(i18n.msg.sprintf(i18n.msg._("Unrecognized cell type: %s"), data.cell_type));
    };
    
    UnrecognizedCell.prototype.create_element = function () {
        Cell.prototype.create_element.apply(this, arguments);
        var cell = this.element = $("<div>").addClass('cell unrecognized_cell');
        cell.attr('tabindex','2');

        var prompt = $('<div/>').addClass('prompt input_prompt');
        cell.append(prompt);
        var inner_cell = $('<div/>').addClass('inner_cell');
        inner_cell.append(
            $("<a>")
                .attr("href", "#")
                .text(i18n.msg._("Unrecognized cell type"))
        );
        cell.append(inner_cell);
        this.element = cell;
    };

    UnrecognizedCell.prototype.bind_events = function () {
        Cell.prototype.bind_events.apply(this, arguments);
        var cell = this;
        
        this.element.find('.inner_cell').find("a").click(function () {
            cell.events.trigger('unrecognized_cell.Cell', {cell: cell});
        });
    };

    return {
        Cell: Cell,
        UnrecognizedCell: UnrecognizedCell
    };
});

// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.

// Give us an object to bind all events to. This object should be created
// before all other objects so it exists when others register event handlers.
// To register an event handler:
//
// requirejs(['base/js/events'], function (events) {
//     events.on("event.Namespace", function () { do_stuff(); });
// });

define('base/js/events',['jquery', 'base/js/namespace'], function($, Jupyter) {
    "use strict";
    
    // Events singleton
    if (!window._Events) {
        window._Events = function () {};
        window._events = new window._Events();
    }
    
    // Backwards compatibility.
    Jupyter.Events = window._Events;
    Jupyter.events = window._events;
    
    var events = $([window._events]);

    // catch and log errors in triggered events
    events._original_trigger = events.trigger;
    events.trigger = function (name, data) {
        try {
            this._original_trigger.apply(this, arguments);
        } catch (e) {
            console.error("Exception in event handler for " + name, e, arguments);
        }
    }
    return events;
});

// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.

define('notebook/js/celltoolbar',[
    'jquery',
    'base/js/namespace',
    'base/js/events',
    'base/js/i18n'
], function($, IPython, events, i18n) {
    "use strict";

    var CellToolbar = function (options) {
        /**
         * Constructor
         *
         * Parameters:
         *  options: dictionary
         *      Dictionary of keyword arguments.
         *          events: $(Events) instance 
         *          cell: Cell instance
         *          notebook: Notebook instance 
         *
         *  TODO: This leaks, when cell are deleted
         *  There is still a reference to each celltoolbars.
         */
        CellToolbar._instances.push(this);
        this.notebook = options.notebook;
        this.cell = options.cell;
        this.create_element();
        this.rebuild();
        return this;
    };


    CellToolbar.prototype.create_element = function () {
        this.inner_element = $('<div/>').addClass('celltoolbar');
        this.element = $('<div/>').addClass('ctb_hideshow')
            .append(this.inner_element);
    };


    // The default css style for the outer celltoolbar div
    // (ctb_hideshow) is display: none.
    // To show the cell toolbar, *both* of the following conditions must be met:
    // - A parent container has class `ctb_global_show`
    // - The celltoolbar has the class `ctb_show`
    // This allows global show/hide, as well as per-cell show/hide.

    CellToolbar.global_hide = function () {
        $('body').removeClass('ctb_global_show');
    };


    CellToolbar.global_show = function () {
        $('body').addClass('ctb_global_show');
    };


    CellToolbar.prototype.hide = function () {
        this.element.removeClass('ctb_show');
    };


    CellToolbar.prototype.show = function () {
        this.element.addClass('ctb_show');
    };


    /**
     * Class variable that should contain a dict of all available callback
     * we need to think of wether or not we allow nested namespace
     * @property _callback_dict
     * @private
     * @static
     * @type Dict
     */
    CellToolbar._callback_dict = {};


    /**
     * Class variable that should contain the reverse order list of the button
     * to add to the toolbar of each cell
     * @property _ui_controls_list
     * @private
     * @static
     * @type List
     */
    CellToolbar._ui_controls_list = [];


    /**
     * Class variable that should contain the CellToolbar instances for each
     * cell of the notebook
     *
     * @private
     * @property _instances
     * @static
     * @type List
     */
    CellToolbar._instances = [];


    /**
     * keep a list of all the available presets for the toolbar
     * @private
     * @property _presets
     * @static
     * @type Dict
     */
    CellToolbar._presets = {};


    // this is by design not a prototype.
    /**
     * Register a callback to create an UI element in a cell toolbar.
     * @method register_callback
     * @param name {String} name to use to refer to the callback. It is advised to use a prefix with the name
     * for easier sorting and avoid collision
     * @param callback {function(div, cell)} callback that will be called to generate the ui element
     * @param [cell_types] {List_of_String|undefined} optional list of cell types. If present the UI element
     * will be added only to cells of types in the list.
     *
     *
     * The callback will receive the following element :
     *
     *    * a div in which to add element.
     *    * the cell it is responsible from
     *
     * @example
     *
     * Example that create callback for a button that toggle between `true` and `false` label,
     * with the metadata under the key 'foo' to reflect the status of the button.
     *
     *      // first param reference to a DOM div
     *      // second param reference to the cell.
     *      var toggle =  function(div, cell) {
     *          var button_container = $(div)
     *
     *          // let's create a button that show the  current value of the metadata
     *          var button = $('<div/>').button({label:String(cell.metadata.foo)});
     *
     *          // On click, change the metadata value and update the button label
     *          button.click(function(){
     *                      var v = cell.metadata.foo;
     *                      cell.metadata.foo = !v;
     *                      button.button("option", "label", String(!v));
     *                  })
     *
     *          // add the button to the DOM div.
     *          button_container.append(button);
     *      }
     *
     *      // now we register the callback under the name `foo` to give the
     *      // user the ability to use it later
     *      CellToolbar.register_callback('foo', toggle);
     */
    CellToolbar.register_callback = function(name, callback, cell_types) {
        // Overwrite if it already exists.
        CellToolbar._callback_dict[name] = cell_types ? {callback: callback, cell_types: cell_types} : callback;
    };


    /**
     * Register a preset of UI element in a cell toolbar.
     * Not supported Yet.
     * @method register_preset
     * @param name {String} name to use to refer to the preset. It is advised to use a prefix with the name
     * for easier sorting and avoid collision
     * @param  preset_list {List_of_String} reverse order of the button in the toolbar. Each String of the list
     *          should correspond to a name of a registered callback.
     *
     * @private
     * @example
     *
     *      CellToolbar.register_callback('foo.c1', function(div, cell){...});
     *      CellToolbar.register_callback('foo.c2', function(div, cell){...});
     *      CellToolbar.register_callback('foo.c3', function(div, cell){...});
     *      CellToolbar.register_callback('foo.c4', function(div, cell){...});
     *      CellToolbar.register_callback('foo.c5', function(div, cell){...});
     *
     *      CellToolbar.register_preset('foo.foo_preset1', ['foo.c1', 'foo.c2', 'foo.c5'])
     *      CellToolbar.register_preset('foo.foo_preset2', ['foo.c4', 'foo.c5'])
     */
    CellToolbar.register_preset = function(name, preset_list, notebook) {
        CellToolbar._presets[name] = preset_list;
        events.trigger('preset_added.CellToolbar', {name: name});
        // When "register_callback" is called by a custom extension, it may be executed after notebook is loaded.
        // In that case, activate the preset if needed.
        if (notebook && notebook.metadata && notebook.metadata.celltoolbar === name){
            CellToolbar.activate_preset(name);
        }
    };

    /**
     * unregister the selected preset, 
     *
     * return true if preset successfully unregistered
     * false otherwise
     *
     **/
    CellToolbar.unregister_preset = function(name){
        if(CellToolbar._presets[name]){
            delete CellToolbar._presets[name];
            events.trigger('unregistered_preset.CellToolbar', {name: name});
            return true
        }
        return false
    }


    /**
     * List the names of the presets that are currently registered.
     *
     * @method list_presets
     * @static
     */
    CellToolbar.list_presets = function() {
        var keys = [];
        for (var k in CellToolbar._presets) {
            keys.push(k);
        }
        return keys;
    };


    /**
     * Activate an UI preset from `register_preset`
     *
     * This does not update the selection UI.
     *
     * @method activate_preset
     * @param preset_name {String} string corresponding to the preset name
     *
     * @static
     * @private
     * @example
     *
     *      CellToolbar.activate_preset('foo.foo_preset1');
     */
    CellToolbar.activate_preset = function(preset_name){
        var preset = CellToolbar._presets[preset_name];

        if(preset !== undefined){
            CellToolbar._ui_controls_list = preset;
            CellToolbar.rebuild_all();
        }

        events.trigger('preset_activated.CellToolbar', {name: preset_name});
    };


    /**
     * This should be called on the class and not on a instance as it will trigger
     * rebuild of all the instances.
     * @method rebuild_all
     * @static
     *
     */
    CellToolbar.rebuild_all = function(){
        for(var i=0; i < CellToolbar._instances.length; i++){
            CellToolbar._instances[i].rebuild();
        }
    };

    /**
     * Rebuild all the button on the toolbar to update its state.
     * @method rebuild
     */
    CellToolbar.prototype.rebuild = function(){
        /**
         * strip everything from the div
         * which is probably inner_element
         * or this.element.
         */
        this.inner_element.empty();
        this.ui_controls_list = [];

        var callbacks = CellToolbar._callback_dict;
        var preset = CellToolbar._ui_controls_list;
        // Yes we iterate on the class variable, not the instance one.
        for (var i=0; i < preset.length; i++) {
            var key = preset[i];
            var callback = callbacks[key];
            if (!callback) continue;

            if (typeof callback === 'object') {
                if (callback.cell_types.indexOf(this.cell.cell_type) === -1) continue;
                callback = callback.callback;
            }
            
            var local_div = $('<div/>').addClass('button_container');
            try {
                callback(local_div, this.cell, this);
                this.ui_controls_list.push(key);
            } catch (e) {
                console.log(i18n.msg.sprintf(i18n.msg._("Error in cell toolbar callback %s"), key), e);
                continue;
            }
            // only append if callback succeeded.
            this.inner_element.append(local_div);
        }

        // If there are no controls or the cell is a rendered TextCell hide the toolbar.
        if (!this.ui_controls_list.length) {
            this.hide();
        } else {
            this.show();
        }
    };


    CellToolbar.utils = {};


    /**
     * A utility function to generate bindings between a checkbox and cell/metadata
     * @method utils.checkbox_ui_generator
     * @static
     *
     * @param name {string} Label in front of the checkbox
     * @param setter {function( cell, newValue )}
     *        A setter method to set the newValue
     * @param getter {function( cell )}
     *        A getter methods which return the current value.
     *
     * @return callback {function( div, cell )} Callback to be passed to `register_callback`
     *
     * @example
     *
     * An exmple that bind the subkey `slideshow.isSectionStart` to a checkbox with a `New Slide` label
     *
     *     var newSlide = CellToolbar.utils.checkbox_ui_generator('New Slide',
     *          // setter
     *          function(cell, value){
     *              // we check that the slideshow namespace exist and create it if needed
     *              if (cell.metadata.slideshow == undefined){cell.metadata.slideshow = {}}
     *              // set the value
     *              cell.metadata.slideshow.isSectionStart = value
     *              },
     *          // getter
     *          function(cell){ var ns = cell.metadata.slideshow;
     *              // if the slideshow namespace does not exist return `undefined`
     *              // (will be interpreted as `false` by checkbox) otherwise
     *              // return the value
     *              return (ns == undefined)? undefined: ns.isSectionStart
     *              }
     *      );
     *
     *      CellToolbar.register_callback('newSlide', newSlide);
     *
     */
    CellToolbar.utils.checkbox_ui_generator = function(name, setter, getter){
        return function(div, cell, celltoolbar) {
            var button_container = $(div);

            var chkb = $('<input/>').attr('type', 'checkbox');
            var lbl = $('<label/>').append($('<span/>').text(name));
            chkb.attr("checked", getter(cell));

            chkb.click(function(){
                        var v = getter(cell);
                        setter(cell, !v);
                        chkb.attr("checked", !v);
            });
            button_container.append($('<span/>').append(lbl).append(chkb));
        };
    };


    /**
     * A utility function to generate bindings between a input field and cell/metadata
     * @method utils.input_ui_generator
     * @static
     *
     * @param name {string} Label in front of the input field
     * @param setter {function( cell, newValue )}
     *        A setter method to set the newValue
     * @param getter {function( cell )}
     *        A getter methods which return the current value.
     *
     * @return callback {function( div, cell )} Callback to be passed to `register_callback`
     *
     */
    CellToolbar.utils.input_ui_generator = function(name, setter, getter){
        return function(div, cell, celltoolbar) {
            var button_container = $(div);

            var text = $('<input/>').attr('type', 'text');
            var lbl = $('<label/>').append($('<span/>').text(name));
            text.attr("value", getter(cell));

            text.keyup(function(){
                setter(cell, text.val());
            });
            button_container.append($('<span/>').append(lbl).append(text));
            IPython.keyboard_manager.register_events(text);
        };
    };

    /**
     * A utility function to generate bindings between a dropdown list cell
     * @method utils.select_ui_generator
     * @static
     *
     * @param list_list {list_of_sublist} List of sublist of metadata value and name in the dropdown list.
     *        sublist should contain 2 element each, first a string that would be displayed in the dropdown list,
     *        and second the corresponding value to  be passed to setter/return by getter. the corresponding value
     *        should not be "undefined" or behavior can be unexpected.
     * @param setter {function( cell, newValue )}
     *        A setter method to set the newValue
     * @param getter {function( cell )}
     *        A getter methods which return the current value of the metadata.
     * @param [label=""] {String} optional label for the dropdown menu
     *
     * @return callback {function( div, cell )} Callback to be passed to `register_callback`
     *
     * @example
     *
     *      var select_type = CellToolbar.utils.select_ui_generator([
     *              ["<None>"       , "None"      ],
     *              ["Header Slide" , "header_slide" ],
     *              ["Slide"        , "slide"        ],
     *              ["Fragment"     , "fragment"     ],
     *              ["Skip"         , "skip"         ],
     *              ],
     *              // setter
     *              function(cell, value){
     *                  // we check that the slideshow namespace exist and create it if needed
     *                  if (cell.metadata.slideshow == undefined){cell.metadata.slideshow = {}}
     *                  // set the value
     *                  cell.metadata.slideshow.slide_type = value
     *                  },
     *              // getter
     *              function(cell){ var ns = cell.metadata.slideshow;
     *                  // if the slideshow namespace does not exist return `undefined`
     *                  // (will be interpreted as `false` by checkbox) otherwise
     *                  // return the value
     *                  return (ns == undefined)? undefined: ns.slide_type
     *                  }
     *      CellToolbar.register_callback('slideshow.select', select_type);
     *
     */
    CellToolbar.utils.select_ui_generator = function(list_list, setter, getter, label) {
        label = label || "";
        return function(div, cell, celltoolbar) {
            var button_container = $(div);
            var lbl = $("<label/>").append($('<span/>').text(label));
            var select = $('<select/>');
            if(!cell.is_editable()){
                select.attr("disabled","disabled")
            }
            for(var i=0; i < list_list.length; i++){
                var opt = $('<option/>')
                    .attr('value', list_list[i][1])
                    .text(list_list[i][0]);
                select.append(opt);
            }
            select.val(getter(cell));
            select.change(function(){
                        setter(cell, select.val());
                    });
            button_container.append($('<span/>').append(lbl).append(select));
        };
    };

    // Backwards compatibility.
    IPython.CellToolbar = CellToolbar;

    return {'CellToolbar': CellToolbar};
});

// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: https://codemirror.net/LICENSE

(function(mod) {
  if (typeof exports == "object" && typeof module == "object") // CommonJS
    mod(require("../../lib/codemirror"));
  else if (typeof define == "function" && define.amd) // AMD
    define('codemirror/mode/xml/xml',["../../lib/codemirror"], mod);
  else // Plain browser env
    mod(CodeMirror);
})(function(CodeMirror) {
"use strict";

var htmlConfig = {
  autoSelfClosers: {'area': true, 'base': true, 'br': true, 'col': true, 'command': true,
                    'embed': true, 'frame': true, 'hr': true, 'img': true, 'input': true,
                    'keygen': true, 'link': true, 'meta': true, 'param': true, 'source': true,
                    'track': true, 'wbr': true, 'menuitem': true},
  implicitlyClosed: {'dd': true, 'li': true, 'optgroup': true, 'option': true, 'p': true,
                     'rp': true, 'rt': true, 'tbody': true, 'td': true, 'tfoot': true,
                     'th': true, 'tr': true},
  contextGrabbers: {
    'dd': {'dd': true, 'dt': true},
    'dt': {'dd': true, 'dt': true},
    'li': {'li': true},
    'option': {'option': true, 'optgroup': true},
    'optgroup': {'optgroup': true},
    'p': {'address': true, 'article': true, 'aside': true, 'blockquote': true, 'dir': true,
          'div': true, 'dl': true, 'fieldset': true, 'footer': true, 'form': true,
          'h1': true, 'h2': true, 'h3': true, 'h4': true, 'h5': true, 'h6': true,
          'header': true, 'hgroup': true, 'hr': true, 'menu': true, 'nav': true, 'ol': true,
          'p': true, 'pre': true, 'section': true, 'table': true, 'ul': true},
    'rp': {'rp': true, 'rt': true},
    'rt': {'rp': true, 'rt': true},
    'tbody': {'tbody': true, 'tfoot': true},
    'td': {'td': true, 'th': true},
    'tfoot': {'tbody': true},
    'th': {'td': true, 'th': true},
    'thead': {'tbody': true, 'tfoot': true},
    'tr': {'tr': true}
  },
  doNotIndent: {"pre": true},
  allowUnquoted: true,
  allowMissing: true,
  caseFold: true
}

var xmlConfig = {
  autoSelfClosers: {},
  implicitlyClosed: {},
  contextGrabbers: {},
  doNotIndent: {},
  allowUnquoted: false,
  allowMissing: false,
  allowMissingTagName: false,
  caseFold: false
}

CodeMirror.defineMode("xml", function(editorConf, config_) {
  var indentUnit = editorConf.indentUnit
  var config = {}
  var defaults = config_.htmlMode ? htmlConfig : xmlConfig
  for (var prop in defaults) config[prop] = defaults[prop]
  for (var prop in config_) config[prop] = config_[prop]

  // Return variables for tokenizers
  var type, setStyle;

  function inText(stream, state) {
    function chain(parser) {
      state.tokenize = parser;
      return parser(stream, state);
    }

    var ch = stream.next();
    if (ch == "<") {
      if (stream.eat("!")) {
        if (stream.eat("[")) {
          if (stream.match("CDATA[")) return chain(inBlock("atom", "]]>"));
          else return null;
        } else if (stream.match("--")) {
          return chain(inBlock("comment", "-->"));
        } else if (stream.match("DOCTYPE", true, true)) {
          stream.eatWhile(/[\w\._\-]/);
          return chain(doctype(1));
        } else {
          return null;
        }
      } else if (stream.eat("?")) {
        stream.eatWhile(/[\w\._\-]/);
        state.tokenize = inBlock("meta", "?>");
        return "meta";
      } else {
        type = stream.eat("/") ? "closeTag" : "openTag";
        state.tokenize = inTag;
        return "tag bracket";
      }
    } else if (ch == "&") {
      var ok;
      if (stream.eat("#")) {
        if (stream.eat("x")) {
          ok = stream.eatWhile(/[a-fA-F\d]/) && stream.eat(";");
        } else {
          ok = stream.eatWhile(/[\d]/) && stream.eat(";");
        }
      } else {
        ok = stream.eatWhile(/[\w\.\-:]/) && stream.eat(";");
      }
      return ok ? "atom" : "error";
    } else {
      stream.eatWhile(/[^&<]/);
      return null;
    }
  }
  inText.isInText = true;

  function inTag(stream, state) {
    var ch = stream.next();
    if (ch == ">" || (ch == "/" && stream.eat(">"))) {
      state.tokenize = inText;
      type = ch == ">" ? "endTag" : "selfcloseTag";
      return "tag bracket";
    } else if (ch == "=") {
      type = "equals";
      return null;
    } else if (ch == "<") {
      state.tokenize = inText;
      state.state = baseState;
      state.tagName = state.tagStart = null;
      var next = state.tokenize(stream, state);
      return next ? next + " tag error" : "tag error";
    } else if (/[\'\"]/.test(ch)) {
      state.tokenize = inAttribute(ch);
      state.stringStartCol = stream.column();
      return state.tokenize(stream, state);
    } else {
      stream.match(/^[^\s\u00a0=<>\"\']*[^\s\u00a0=<>\"\'\/]/);
      return "word";
    }
  }

  function inAttribute(quote) {
    var closure = function(stream, state) {
      while (!stream.eol()) {
        if (stream.next() == quote) {
          state.tokenize = inTag;
          break;
        }
      }
      return "string";
    };
    closure.isInAttribute = true;
    return closure;
  }

  function inBlock(style, terminator) {
    return function(stream, state) {
      while (!stream.eol()) {
        if (stream.match(terminator)) {
          state.tokenize = inText;
          break;
        }
        stream.next();
      }
      return style;
    }
  }

  function doctype(depth) {
    return function(stream, state) {
      var ch;
      while ((ch = stream.next()) != null) {
        if (ch == "<") {
          state.tokenize = doctype(depth + 1);
          return state.tokenize(stream, state);
        } else if (ch == ">") {
          if (depth == 1) {
            state.tokenize = inText;
            break;
          } else {
            state.tokenize = doctype(depth - 1);
            return state.tokenize(stream, state);
          }
        }
      }
      return "meta";
    };
  }

  function Context(state, tagName, startOfLine) {
    this.prev = state.context;
    this.tagName = tagName;
    this.indent = state.indented;
    this.startOfLine = startOfLine;
    if (config.doNotIndent.hasOwnProperty(tagName) || (state.context && state.context.noIndent))
      this.noIndent = true;
  }
  function popContext(state) {
    if (state.context) state.context = state.context.prev;
  }
  function maybePopContext(state, nextTagName) {
    var parentTagName;
    while (true) {
      if (!state.context) {
        return;
      }
      parentTagName = state.context.tagName;
      if (!config.contextGrabbers.hasOwnProperty(parentTagName) ||
          !config.contextGrabbers[parentTagName].hasOwnProperty(nextTagName)) {
        return;
      }
      popContext(state);
    }
  }

  function baseState(type, stream, state) {
    if (type == "openTag") {
      state.tagStart = stream.column();
      return tagNameState;
    } else if (type == "closeTag") {
      return closeTagNameState;
    } else {
      return baseState;
    }
  }
  function tagNameState(type, stream, state) {
    if (type == "word") {
      state.tagName = stream.current();
      setStyle = "tag";
      return attrState;
    } else if (config.allowMissingTagName && type == "endTag") {
      setStyle = "tag bracket";
      return attrState(type, stream, state);
    } else {
      setStyle = "error";
      return tagNameState;
    }
  }
  function closeTagNameState(type, stream, state) {
    if (type == "word") {
      var tagName = stream.current();
      if (state.context && state.context.tagName != tagName &&
          config.implicitlyClosed.hasOwnProperty(state.context.tagName))
        popContext(state);
      if ((state.context && state.context.tagName == tagName) || config.matchClosing === false) {
        setStyle = "tag";
        return closeState;
      } else {
        setStyle = "tag error";
        return closeStateErr;
      }
    } else if (config.allowMissingTagName && type == "endTag") {
      setStyle = "tag bracket";
      return closeState(type, stream, state);
    } else {
      setStyle = "error";
      return closeStateErr;
    }
  }

  function closeState(type, _stream, state) {
    if (type != "endTag") {
      setStyle = "error";
      return closeState;
    }
    popContext(state);
    return baseState;
  }
  function closeStateErr(type, stream, state) {
    setStyle = "error";
    return closeState(type, stream, state);
  }

  function attrState(type, _stream, state) {
    if (type == "word") {
      setStyle = "attribute";
      return attrEqState;
    } else if (type == "endTag" || type == "selfcloseTag") {
      var tagName = state.tagName, tagStart = state.tagStart;
      state.tagName = state.tagStart = null;
      if (type == "selfcloseTag" ||
          config.autoSelfClosers.hasOwnProperty(tagName)) {
        maybePopContext(state, tagName);
      } else {
        maybePopContext(state, tagName);
        state.context = new Context(state, tagName, tagStart == state.indented);
      }
      return baseState;
    }
    setStyle = "error";
    return attrState;
  }
  function attrEqState(type, stream, state) {
    if (type == "equals") return attrValueState;
    if (!config.allowMissing) setStyle = "error";
    return attrState(type, stream, state);
  }
  function attrValueState(type, stream, state) {
    if (type == "string") return attrContinuedState;
    if (type == "word" && config.allowUnquoted) {setStyle = "string"; return attrState;}
    setStyle = "error";
    return attrState(type, stream, state);
  }
  function attrContinuedState(type, stream, state) {
    if (type == "string") return attrContinuedState;
    return attrState(type, stream, state);
  }

  return {
    startState: function(baseIndent) {
      var state = {tokenize: inText,
                   state: baseState,
                   indented: baseIndent || 0,
                   tagName: null, tagStart: null,
                   context: null}
      if (baseIndent != null) state.baseIndent = baseIndent
      return state
    },

    token: function(stream, state) {
      if (!state.tagName && stream.sol())
        state.indented = stream.indentation();

      if (stream.eatSpace()) return null;
      type = null;
      var style = state.tokenize(stream, state);
      if ((style || type) && style != "comment") {
        setStyle = null;
        state.state = state.state(type || style, stream, state);
        if (setStyle)
          style = setStyle == "error" ? style + " error" : setStyle;
      }
      return style;
    },

    indent: function(state, textAfter, fullLine) {
      var context = state.context;
      // Indent multi-line strings (e.g. css).
      if (state.tokenize.isInAttribute) {
        if (state.tagStart == state.indented)
          return state.stringStartCol + 1;
        else
          return state.indented + indentUnit;
      }
      if (context && context.noIndent) return CodeMirror.Pass;
      if (state.tokenize != inTag && state.tokenize != inText)
        return fullLine ? fullLine.match(/^(\s*)/)[0].length : 0;
      // Indent the starts of attribute names.
      if (state.tagName) {
        if (config.multilineTagIndentPastTag !== false)
          return state.tagStart + state.tagName.length + 2;
        else
          return state.tagStart + indentUnit * (config.multilineTagIndentFactor || 1);
      }
      if (config.alignCDATA && /<!\[CDATA\[/.test(textAfter)) return 0;
      var tagAfter = textAfter && /^<(\/)?([\w_:\.-]*)/.exec(textAfter);
      if (tagAfter && tagAfter[1]) { // Closing tag spotted
        while (context) {
          if (context.tagName == tagAfter[2]) {
            context = context.prev;
            break;
          } else if (config.implicitlyClosed.hasOwnProperty(context.tagName)) {
            context = context.prev;
          } else {
            break;
          }
        }
      } else if (tagAfter) { // Opening tag spotted
        while (context) {
          var grabbers = config.contextGrabbers[context.tagName];
          if (grabbers && grabbers.hasOwnProperty(tagAfter[2]))
            context = context.prev;
          else
            break;
        }
      }
      while (context && context.prev && !context.startOfLine)
        context = context.prev;
      if (context) return context.indent + indentUnit;
      else return state.baseIndent || 0;
    },

    electricInput: /<\/[\s\w:]+>$/,
    blockCommentStart: "<!--",
    blockCommentEnd: "-->",

    configuration: config.htmlMode ? "html" : "xml",
    helperType: config.htmlMode ? "html" : "xml",

    skipAttribute: function(state) {
      if (state.state == attrValueState)
        state.state = attrState
    },

    xmlCurrentTag: function(state) {
      return state.tagName ? {name: state.tagName, close: state.type == "closeTag"} : null
    },

    xmlCurrentContext: function(state) {
      var context = []
      for (var cx = state.context; cx; cx = cx.prev)
        if (cx.tagName) context.push(cx.tagName)
      return context.reverse()
    }
  };
});

CodeMirror.defineMIME("text/xml", "xml");
CodeMirror.defineMIME("application/xml", "xml");
if (!CodeMirror.mimeModes.hasOwnProperty("text/html"))
  CodeMirror.defineMIME("text/html", {name: "xml", htmlMode: true});

});

// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: https://codemirror.net/LICENSE

(function(mod) {
  if (typeof exports == "object" && typeof module == "object") // CommonJS
    mod(require("../../lib/codemirror"), require("../xml/xml"), require("../meta"));
  else if (typeof define == "function" && define.amd) // AMD
    define('codemirror/mode/markdown/markdown',["../../lib/codemirror", "../xml/xml", "../meta"], mod);
  else // Plain browser env
    mod(CodeMirror);
})(function(CodeMirror) {
"use strict";

CodeMirror.defineMode("markdown", function(cmCfg, modeCfg) {

  var htmlMode = CodeMirror.getMode(cmCfg, "text/html");
  var htmlModeMissing = htmlMode.name == "null"

  function getMode(name) {
    if (CodeMirror.findModeByName) {
      var found = CodeMirror.findModeByName(name);
      if (found) name = found.mime || found.mimes[0];
    }
    var mode = CodeMirror.getMode(cmCfg, name);
    return mode.name == "null" ? null : mode;
  }

  // Should characters that affect highlighting be highlighted separate?
  // Does not include characters that will be output (such as `1.` and `-` for lists)
  if (modeCfg.highlightFormatting === undefined)
    modeCfg.highlightFormatting = false;

  // Maximum number of nested blockquotes. Set to 0 for infinite nesting.
  // Excess `>` will emit `error` token.
  if (modeCfg.maxBlockquoteDepth === undefined)
    modeCfg.maxBlockquoteDepth = 0;

  // Turn on task lists? ("- [ ] " and "- [x] ")
  if (modeCfg.taskLists === undefined) modeCfg.taskLists = false;

  // Turn on strikethrough syntax
  if (modeCfg.strikethrough === undefined)
    modeCfg.strikethrough = false;

  if (modeCfg.emoji === undefined)
    modeCfg.emoji = false;

  if (modeCfg.fencedCodeBlockHighlighting === undefined)
    modeCfg.fencedCodeBlockHighlighting = true;

  if (modeCfg.fencedCodeBlockDefaultMode === undefined)
    modeCfg.fencedCodeBlockDefaultMode = 'text/plain';

  if (modeCfg.xml === undefined)
    modeCfg.xml = true;

  // Allow token types to be overridden by user-provided token types.
  if (modeCfg.tokenTypeOverrides === undefined)
    modeCfg.tokenTypeOverrides = {};

  var tokenTypes = {
    header: "header",
    code: "comment",
    quote: "quote",
    list1: "variable-2",
    list2: "variable-3",
    list3: "keyword",
    hr: "hr",
    image: "image",
    imageAltText: "image-alt-text",
    imageMarker: "image-marker",
    formatting: "formatting",
    linkInline: "link",
    linkEmail: "link",
    linkText: "link",
    linkHref: "string",
    em: "em",
    strong: "strong",
    strikethrough: "strikethrough",
    emoji: "builtin"
  };

  for (var tokenType in tokenTypes) {
    if (tokenTypes.hasOwnProperty(tokenType) && modeCfg.tokenTypeOverrides[tokenType]) {
      tokenTypes[tokenType] = modeCfg.tokenTypeOverrides[tokenType];
    }
  }

  var hrRE = /^([*\-_])(?:\s*\1){2,}\s*$/
  ,   listRE = /^(?:[*\-+]|^[0-9]+([.)]))\s+/
  ,   taskListRE = /^\[(x| )\](?=\s)/i // Must follow listRE
  ,   atxHeaderRE = modeCfg.allowAtxHeaderWithoutSpace ? /^(#+)/ : /^(#+)(?: |$)/
  ,   setextHeaderRE = /^ {0,3}(?:\={1,}|-{2,})\s*$/
  ,   textRE = /^[^#!\[\]*_\\<>` "'(~:]+/
  ,   fencedCodeRE = /^(~~~+|```+)[ \t]*([\w\/+#-]*)[^\n`]*$/
  ,   linkDefRE = /^\s*\[[^\]]+?\]:.*$/ // naive link-definition
  ,   punctuation = /[!"#$%&'()*+,\-.\/:;<=>?@\[\\\]^_`{|}~\xA1\xA7\xAB\xB6\xB7\xBB\xBF\u037E\u0387\u055A-\u055F\u0589\u058A\u05BE\u05C0\u05C3\u05C6\u05F3\u05F4\u0609\u060A\u060C\u060D\u061B\u061E\u061F\u066A-\u066D\u06D4\u0700-\u070D\u07F7-\u07F9\u0830-\u083E\u085E\u0964\u0965\u0970\u0AF0\u0DF4\u0E4F\u0E5A\u0E5B\u0F04-\u0F12\u0F14\u0F3A-\u0F3D\u0F85\u0FD0-\u0FD4\u0FD9\u0FDA\u104A-\u104F\u10FB\u1360-\u1368\u1400\u166D\u166E\u169B\u169C\u16EB-\u16ED\u1735\u1736\u17D4-\u17D6\u17D8-\u17DA\u1800-\u180A\u1944\u1945\u1A1E\u1A1F\u1AA0-\u1AA6\u1AA8-\u1AAD\u1B5A-\u1B60\u1BFC-\u1BFF\u1C3B-\u1C3F\u1C7E\u1C7F\u1CC0-\u1CC7\u1CD3\u2010-\u2027\u2030-\u2043\u2045-\u2051\u2053-\u205E\u207D\u207E\u208D\u208E\u2308-\u230B\u2329\u232A\u2768-\u2775\u27C5\u27C6\u27E6-\u27EF\u2983-\u2998\u29D8-\u29DB\u29FC\u29FD\u2CF9-\u2CFC\u2CFE\u2CFF\u2D70\u2E00-\u2E2E\u2E30-\u2E42\u3001-\u3003\u3008-\u3011\u3014-\u301F\u3030\u303D\u30A0\u30FB\uA4FE\uA4FF\uA60D-\uA60F\uA673\uA67E\uA6F2-\uA6F7\uA874-\uA877\uA8CE\uA8CF\uA8F8-\uA8FA\uA8FC\uA92E\uA92F\uA95F\uA9C1-\uA9CD\uA9DE\uA9DF\uAA5C-\uAA5F\uAADE\uAADF\uAAF0\uAAF1\uABEB\uFD3E\uFD3F\uFE10-\uFE19\uFE30-\uFE52\uFE54-\uFE61\uFE63\uFE68\uFE6A\uFE6B\uFF01-\uFF03\uFF05-\uFF0A\uFF0C-\uFF0F\uFF1A\uFF1B\uFF1F\uFF20\uFF3B-\uFF3D\uFF3F\uFF5B\uFF5D\uFF5F-\uFF65]|\uD800[\uDD00-\uDD02\uDF9F\uDFD0]|\uD801\uDD6F|\uD802[\uDC57\uDD1F\uDD3F\uDE50-\uDE58\uDE7F\uDEF0-\uDEF6\uDF39-\uDF3F\uDF99-\uDF9C]|\uD804[\uDC47-\uDC4D\uDCBB\uDCBC\uDCBE-\uDCC1\uDD40-\uDD43\uDD74\uDD75\uDDC5-\uDDC9\uDDCD\uDDDB\uDDDD-\uDDDF\uDE38-\uDE3D\uDEA9]|\uD805[\uDCC6\uDDC1-\uDDD7\uDE41-\uDE43\uDF3C-\uDF3E]|\uD809[\uDC70-\uDC74]|\uD81A[\uDE6E\uDE6F\uDEF5\uDF37-\uDF3B\uDF44]|\uD82F\uDC9F|\uD836[\uDE87-\uDE8B]/
  ,   expandedTab = "    " // CommonMark specifies tab as 4 spaces

  function switchInline(stream, state, f) {
    state.f = state.inline = f;
    return f(stream, state);
  }

  function switchBlock(stream, state, f) {
    state.f = state.block = f;
    return f(stream, state);
  }

  function lineIsEmpty(line) {
    return !line || !/\S/.test(line.string)
  }

  // Blocks

  function blankLine(state) {
    // Reset linkTitle state
    state.linkTitle = false;
    state.linkHref = false;
    state.linkText = false;
    // Reset EM state
    state.em = false;
    // Reset STRONG state
    state.strong = false;
    // Reset strikethrough state
    state.strikethrough = false;
    // Reset state.quote
    state.quote = 0;
    // Reset state.indentedCode
    state.indentedCode = false;
    if (state.f == htmlBlock) {
      var exit = htmlModeMissing
      if (!exit) {
        var inner = CodeMirror.innerMode(htmlMode, state.htmlState)
        exit = inner.mode.name == "xml" && inner.state.tagStart === null &&
          (!inner.state.context && inner.state.tokenize.isInText)
      }
      if (exit) {
        state.f = inlineNormal;
        state.block = blockNormal;
        state.htmlState = null;
      }
    }
    // Reset state.trailingSpace
    state.trailingSpace = 0;
    state.trailingSpaceNewLine = false;
    // Mark this line as blank
    state.prevLine = state.thisLine
    state.thisLine = {stream: null}
    return null;
  }

  function blockNormal(stream, state) {
    var firstTokenOnLine = stream.column() === state.indentation;
    var prevLineLineIsEmpty = lineIsEmpty(state.prevLine.stream);
    var prevLineIsIndentedCode = state.indentedCode;
    var prevLineIsHr = state.prevLine.hr;
    var prevLineIsList = state.list !== false;
    var maxNonCodeIndentation = (state.listStack[state.listStack.length - 1] || 0) + 3;

    state.indentedCode = false;

    var lineIndentation = state.indentation;
    // compute once per line (on first token)
    if (state.indentationDiff === null) {
      state.indentationDiff = state.indentation;
      if (prevLineIsList) {
        state.list = null;
        // While this list item's marker's indentation is less than the deepest
        //  list item's content's indentation,pop the deepest list item
        //  indentation off the stack, and update block indentation state
        while (lineIndentation < state.listStack[state.listStack.length - 1]) {
          state.listStack.pop();
          if (state.listStack.length) {
            state.indentation = state.listStack[state.listStack.length - 1];
          // less than the first list's indent -> the line is no longer a list
          } else {
            state.list = false;
          }
        }
        if (state.list !== false) {
          state.indentationDiff = lineIndentation - state.listStack[state.listStack.length - 1]
        }
      }
    }

    // not comprehensive (currently only for setext detection purposes)
    var allowsInlineContinuation = (
        !prevLineLineIsEmpty && !prevLineIsHr && !state.prevLine.header &&
        (!prevLineIsList || !prevLineIsIndentedCode) &&
        !state.prevLine.fencedCodeEnd
    );

    var isHr = (state.list === false || prevLineIsHr || prevLineLineIsEmpty) &&
      state.indentation <= maxNonCodeIndentation && stream.match(hrRE);

    var match = null;
    if (state.indentationDiff >= 4 && (prevLineIsIndentedCode || state.prevLine.fencedCodeEnd ||
         state.prevLine.header || prevLineLineIsEmpty)) {
      stream.skipToEnd();
      state.indentedCode = true;
      return tokenTypes.code;
    } else if (stream.eatSpace()) {
      return null;
    } else if (firstTokenOnLine && state.indentation <= maxNonCodeIndentation && (match = stream.match(atxHeaderRE)) && match[1].length <= 6) {
      state.quote = 0;
      state.header = match[1].length;
      state.thisLine.header = true;
      if (modeCfg.highlightFormatting) state.formatting = "header";
      state.f = state.inline;
      return getType(state);
    } else if (state.indentation <= maxNonCodeIndentation && stream.eat('>')) {
      state.quote = firstTokenOnLine ? 1 : state.quote + 1;
      if (modeCfg.highlightFormatting) state.formatting = "quote";
      stream.eatSpace();
      return getType(state);
    } else if (!isHr && !state.setext && firstTokenOnLine && state.indentation <= maxNonCodeIndentation && (match = stream.match(listRE))) {
      var listType = match[1] ? "ol" : "ul";

      state.indentation = lineIndentation + stream.current().length;
      state.list = true;
      state.quote = 0;

      // Add this list item's content's indentation to the stack
      state.listStack.push(state.indentation);
      // Reset inline styles which shouldn't propagate aross list items
      state.em = false;
      state.strong = false;
      state.code = false;
      state.strikethrough = false;

      if (modeCfg.taskLists && stream.match(taskListRE, false)) {
        state.taskList = true;
      }
      state.f = state.inline;
      if (modeCfg.highlightFormatting) state.formatting = ["list", "list-" + listType];
      return getType(state);
    } else if (firstTokenOnLine && state.indentation <= maxNonCodeIndentation && (match = stream.match(fencedCodeRE, true))) {
      state.quote = 0;
      state.fencedEndRE = new RegExp(match[1] + "+ *$");
      // try switching mode
      state.localMode = modeCfg.fencedCodeBlockHighlighting && getMode(match[2] || modeCfg.fencedCodeBlockDefaultMode );
      if (state.localMode) state.localState = CodeMirror.startState(state.localMode);
      state.f = state.block = local;
      if (modeCfg.highlightFormatting) state.formatting = "code-block";
      state.code = -1
      return getType(state);
    // SETEXT has lowest block-scope precedence after HR, so check it after
    //  the others (code, blockquote, list...)
    } else if (
      // if setext set, indicates line after ---/===
      state.setext || (
        // line before ---/===
        (!allowsInlineContinuation || !prevLineIsList) && !state.quote && state.list === false &&
        !state.code && !isHr && !linkDefRE.test(stream.string) &&
        (match = stream.lookAhead(1)) && (match = match.match(setextHeaderRE))
      )
    ) {
      if ( !state.setext ) {
        state.header = match[0].charAt(0) == '=' ? 1 : 2;
        state.setext = state.header;
      } else {
        state.header = state.setext;
        // has no effect on type so we can reset it now
        state.setext = 0;
        stream.skipToEnd();
        if (modeCfg.highlightFormatting) state.formatting = "header";
      }
      state.thisLine.header = true;
      state.f = state.inline;
      return getType(state);
    } else if (isHr) {
      stream.skipToEnd();
      state.hr = true;
      state.thisLine.hr = true;
      return tokenTypes.hr;
    } else if (stream.peek() === '[') {
      return switchInline(stream, state, footnoteLink);
    }

    return switchInline(stream, state, state.inline);
  }

  function htmlBlock(stream, state) {
    var style = htmlMode.token(stream, state.htmlState);
    if (!htmlModeMissing) {
      var inner = CodeMirror.innerMode(htmlMode, state.htmlState)
      if ((inner.mode.name == "xml" && inner.state.tagStart === null &&
           (!inner.state.context && inner.state.tokenize.isInText)) ||
          (state.md_inside && stream.current().indexOf(">") > -1)) {
        state.f = inlineNormal;
        state.block = blockNormal;
        state.htmlState = null;
      }
    }
    return style;
  }

  function local(stream, state) {
    var currListInd = state.listStack[state.listStack.length - 1] || 0;
    var hasExitedList = state.indentation < currListInd;
    var maxFencedEndInd = currListInd + 3;
    if (state.fencedEndRE && state.indentation <= maxFencedEndInd && (hasExitedList || stream.match(state.fencedEndRE))) {
      if (modeCfg.highlightFormatting) state.formatting = "code-block";
      var returnType;
      if (!hasExitedList) returnType = getType(state)
      state.localMode = state.localState = null;
      state.block = blockNormal;
      state.f = inlineNormal;
      state.fencedEndRE = null;
      state.code = 0
      state.thisLine.fencedCodeEnd = true;
      if (hasExitedList) return switchBlock(stream, state, state.block);
      return returnType;
    } else if (state.localMode) {
      return state.localMode.token(stream, state.localState);
    } else {
      stream.skipToEnd();
      return tokenTypes.code;
    }
  }

  // Inline
  function getType(state) {
    var styles = [];

    if (state.formatting) {
      styles.push(tokenTypes.formatting);

      if (typeof state.formatting === "string") state.formatting = [state.formatting];

      for (var i = 0; i < state.formatting.length; i++) {
        styles.push(tokenTypes.formatting + "-" + state.formatting[i]);

        if (state.formatting[i] === "header") {
          styles.push(tokenTypes.formatting + "-" + state.formatting[i] + "-" + state.header);
        }

        // Add `formatting-quote` and `formatting-quote-#` for blockquotes
        // Add `error` instead if the maximum blockquote nesting depth is passed
        if (state.formatting[i] === "quote") {
          if (!modeCfg.maxBlockquoteDepth || modeCfg.maxBlockquoteDepth >= state.quote) {
            styles.push(tokenTypes.formatting + "-" + state.formatting[i] + "-" + state.quote);
          } else {
            styles.push("error");
          }
        }
      }
    }

    if (state.taskOpen) {
      styles.push("meta");
      return styles.length ? styles.join(' ') : null;
    }
    if (state.taskClosed) {
      styles.push("property");
      return styles.length ? styles.join(' ') : null;
    }

    if (state.linkHref) {
      styles.push(tokenTypes.linkHref, "url");
    } else { // Only apply inline styles to non-url text
      if (state.strong) { styles.push(tokenTypes.strong); }
      if (state.em) { styles.push(tokenTypes.em); }
      if (state.strikethrough) { styles.push(tokenTypes.strikethrough); }
      if (state.emoji) { styles.push(tokenTypes.emoji); }
      if (state.linkText) { styles.push(tokenTypes.linkText); }
      if (state.code) { styles.push(tokenTypes.code); }
      if (state.image) { styles.push(tokenTypes.image); }
      if (state.imageAltText) { styles.push(tokenTypes.imageAltText, "link"); }
      if (state.imageMarker) { styles.push(tokenTypes.imageMarker); }
    }

    if (state.header) { styles.push(tokenTypes.header, tokenTypes.header + "-" + state.header); }

    if (state.quote) {
      styles.push(tokenTypes.quote);

      // Add `quote-#` where the maximum for `#` is modeCfg.maxBlockquoteDepth
      if (!modeCfg.maxBlockquoteDepth || modeCfg.maxBlockquoteDepth >= state.quote) {
        styles.push(tokenTypes.quote + "-" + state.quote);
      } else {
        styles.push(tokenTypes.quote + "-" + modeCfg.maxBlockquoteDepth);
      }
    }

    if (state.list !== false) {
      var listMod = (state.listStack.length - 1) % 3;
      if (!listMod) {
        styles.push(tokenTypes.list1);
      } else if (listMod === 1) {
        styles.push(tokenTypes.list2);
      } else {
        styles.push(tokenTypes.list3);
      }
    }

    if (state.trailingSpaceNewLine) {
      styles.push("trailing-space-new-line");
    } else if (state.trailingSpace) {
      styles.push("trailing-space-" + (state.trailingSpace % 2 ? "a" : "b"));
    }

    return styles.length ? styles.join(' ') : null;
  }

  function handleText(stream, state) {
    if (stream.match(textRE, true)) {
      return getType(state);
    }
    return undefined;
  }

  function inlineNormal(stream, state) {
    var style = state.text(stream, state);
    if (typeof style !== 'undefined')
      return style;

    if (state.list) { // List marker (*, +, -, 1., etc)
      state.list = null;
      return getType(state);
    }

    if (state.taskList) {
      var taskOpen = stream.match(taskListRE, true)[1] === " ";
      if (taskOpen) state.taskOpen = true;
      else state.taskClosed = true;
      if (modeCfg.highlightFormatting) state.formatting = "task";
      state.taskList = false;
      return getType(state);
    }

    state.taskOpen = false;
    state.taskClosed = false;

    if (state.header && stream.match(/^#+$/, true)) {
      if (modeCfg.highlightFormatting) state.formatting = "header";
      return getType(state);
    }

    var ch = stream.next();

    // Matches link titles present on next line
    if (state.linkTitle) {
      state.linkTitle = false;
      var matchCh = ch;
      if (ch === '(') {
        matchCh = ')';
      }
      matchCh = (matchCh+'').replace(/([.?*+^\[\]\\(){}|-])/g, "\\$1");
      var regex = '^\\s*(?:[^' + matchCh + '\\\\]+|\\\\\\\\|\\\\.)' + matchCh;
      if (stream.match(new RegExp(regex), true)) {
        return tokenTypes.linkHref;
      }
    }

    // If this block is changed, it may need to be updated in GFM mode
    if (ch === '`') {
      var previousFormatting = state.formatting;
      if (modeCfg.highlightFormatting) state.formatting = "code";
      stream.eatWhile('`');
      var count = stream.current().length
      if (state.code == 0 && (!state.quote || count == 1)) {
        state.code = count
        return getType(state)
      } else if (count == state.code) { // Must be exact
        var t = getType(state)
        state.code = 0
        return t
      } else {
        state.formatting = previousFormatting
        return getType(state)
      }
    } else if (state.code) {
      return getType(state);
    }

    if (ch === '\\') {
      stream.next();
      if (modeCfg.highlightFormatting) {
        var type = getType(state);
        var formattingEscape = tokenTypes.formatting + "-escape";
        return type ? type + " " + formattingEscape : formattingEscape;
      }
    }

    if (ch === '!' && stream.match(/\[[^\]]*\] ?(?:\(|\[)/, false)) {
      state.imageMarker = true;
      state.image = true;
      if (modeCfg.highlightFormatting) state.formatting = "image";
      return getType(state);
    }

    if (ch === '[' && state.imageMarker && stream.match(/[^\]]*\](\(.*?\)| ?\[.*?\])/, false)) {
      state.imageMarker = false;
      state.imageAltText = true
      if (modeCfg.highlightFormatting) state.formatting = "image";
      return getType(state);
    }

    if (ch === ']' && state.imageAltText) {
      if (modeCfg.highlightFormatting) state.formatting = "image";
      var type = getType(state);
      state.imageAltText = false;
      state.image = false;
      state.inline = state.f = linkHref;
      return type;
    }

    if (ch === '[' && !state.image) {
      if (state.linkText && stream.match(/^.*?\]/)) return getType(state)
      state.linkText = true;
      if (modeCfg.highlightFormatting) state.formatting = "link";
      return getType(state);
    }

    if (ch === ']' && state.linkText) {
      if (modeCfg.highlightFormatting) state.formatting = "link";
      var type = getType(state);
      state.linkText = false;
      state.inline = state.f = stream.match(/\(.*?\)| ?\[.*?\]/, false) ? linkHref : inlineNormal
      return type;
    }

    if (ch === '<' && stream.match(/^(https?|ftps?):\/\/(?:[^\\>]|\\.)+>/, false)) {
      state.f = state.inline = linkInline;
      if (modeCfg.highlightFormatting) state.formatting = "link";
      var type = getType(state);
      if (type){
        type += " ";
      } else {
        type = "";
      }
      return type + tokenTypes.linkInline;
    }

    if (ch === '<' && stream.match(/^[^> \\]+@(?:[^\\>]|\\.)+>/, false)) {
      state.f = state.inline = linkInline;
      if (modeCfg.highlightFormatting) state.formatting = "link";
      var type = getType(state);
      if (type){
        type += " ";
      } else {
        type = "";
      }
      return type + tokenTypes.linkEmail;
    }

    if (modeCfg.xml && ch === '<' && stream.match(/^(!--|\?|!\[CDATA\[|[a-z][a-z0-9-]*(?:\s+[a-z_:.\-]+(?:\s*=\s*[^>]+)?)*\s*(?:>|$))/i, false)) {
      var end = stream.string.indexOf(">", stream.pos);
      if (end != -1) {
        var atts = stream.string.substring(stream.start, end);
        if (/markdown\s*=\s*('|"){0,1}1('|"){0,1}/.test(atts)) state.md_inside = true;
      }
      stream.backUp(1);
      state.htmlState = CodeMirror.startState(htmlMode);
      return switchBlock(stream, state, htmlBlock);
    }

    if (modeCfg.xml && ch === '<' && stream.match(/^\/\w*?>/)) {
      state.md_inside = false;
      return "tag";
    } else if (ch === "*" || ch === "_") {
      var len = 1, before = stream.pos == 1 ? " " : stream.string.charAt(stream.pos - 2)
      while (len < 3 && stream.eat(ch)) len++
      var after = stream.peek() || " "
      // See http://spec.commonmark.org/0.27/#emphasis-and-strong-emphasis
      var leftFlanking = !/\s/.test(after) && (!punctuation.test(after) || /\s/.test(before) || punctuation.test(before))
      var rightFlanking = !/\s/.test(before) && (!punctuation.test(before) || /\s/.test(after) || punctuation.test(after))
      var setEm = null, setStrong = null
      if (len % 2) { // Em
        if (!state.em && leftFlanking && (ch === "*" || !rightFlanking || punctuation.test(before)))
          setEm = true
        else if (state.em == ch && rightFlanking && (ch === "*" || !leftFlanking || punctuation.test(after)))
          setEm = false
      }
      if (len > 1) { // Strong
        if (!state.strong && leftFlanking && (ch === "*" || !rightFlanking || punctuation.test(before)))
          setStrong = true
        else if (state.strong == ch && rightFlanking && (ch === "*" || !leftFlanking || punctuation.test(after)))
          setStrong = false
      }
      if (setStrong != null || setEm != null) {
        if (modeCfg.highlightFormatting) state.formatting = setEm == null ? "strong" : setStrong == null ? "em" : "strong em"
        if (setEm === true) state.em = ch
        if (setStrong === true) state.strong = ch
        var t = getType(state)
        if (setEm === false) state.em = false
        if (setStrong === false) state.strong = false
        return t
      }
    } else if (ch === ' ') {
      if (stream.eat('*') || stream.eat('_')) { // Probably surrounded by spaces
        if (stream.peek() === ' ') { // Surrounded by spaces, ignore
          return getType(state);
        } else { // Not surrounded by spaces, back up pointer
          stream.backUp(1);
        }
      }
    }

    if (modeCfg.strikethrough) {
      if (ch === '~' && stream.eatWhile(ch)) {
        if (state.strikethrough) {// Remove strikethrough
          if (modeCfg.highlightFormatting) state.formatting = "strikethrough";
          var t = getType(state);
          state.strikethrough = false;
          return t;
        } else if (stream.match(/^[^\s]/, false)) {// Add strikethrough
          state.strikethrough = true;
          if (modeCfg.highlightFormatting) state.formatting = "strikethrough";
          return getType(state);
        }
      } else if (ch === ' ') {
        if (stream.match(/^~~/, true)) { // Probably surrounded by space
          if (stream.peek() === ' ') { // Surrounded by spaces, ignore
            return getType(state);
          } else { // Not surrounded by spaces, back up pointer
            stream.backUp(2);
          }
        }
      }
    }

    if (modeCfg.emoji && ch === ":" && stream.match(/^(?:[a-z_\d+][a-z_\d+-]*|\-[a-z_\d+][a-z_\d+-]*):/)) {
      state.emoji = true;
      if (modeCfg.highlightFormatting) state.formatting = "emoji";
      var retType = getType(state);
      state.emoji = false;
      return retType;
    }

    if (ch === ' ') {
      if (stream.match(/^ +$/, false)) {
        state.trailingSpace++;
      } else if (state.trailingSpace) {
        state.trailingSpaceNewLine = true;
      }
    }

    return getType(state);
  }

  function linkInline(stream, state) {
    var ch = stream.next();

    if (ch === ">") {
      state.f = state.inline = inlineNormal;
      if (modeCfg.highlightFormatting) state.formatting = "link";
      var type = getType(state);
      if (type){
        type += " ";
      } else {
        type = "";
      }
      return type + tokenTypes.linkInline;
    }

    stream.match(/^[^>]+/, true);

    return tokenTypes.linkInline;
  }

  function linkHref(stream, state) {
    // Check if space, and return NULL if so (to avoid marking the space)
    if(stream.eatSpace()){
      return null;
    }
    var ch = stream.next();
    if (ch === '(' || ch === '[') {
      state.f = state.inline = getLinkHrefInside(ch === "(" ? ")" : "]");
      if (modeCfg.highlightFormatting) state.formatting = "link-string";
      state.linkHref = true;
      return getType(state);
    }
    return 'error';
  }

  var linkRE = {
    ")": /^(?:[^\\\(\)]|\\.|\((?:[^\\\(\)]|\\.)*\))*?(?=\))/,
    "]": /^(?:[^\\\[\]]|\\.|\[(?:[^\\\[\]]|\\.)*\])*?(?=\])/
  }

  function getLinkHrefInside(endChar) {
    return function(stream, state) {
      var ch = stream.next();

      if (ch === endChar) {
        state.f = state.inline = inlineNormal;
        if (modeCfg.highlightFormatting) state.formatting = "link-string";
        var returnState = getType(state);
        state.linkHref = false;
        return returnState;
      }

      stream.match(linkRE[endChar])
      state.linkHref = true;
      return getType(state);
    };
  }

  function footnoteLink(stream, state) {
    if (stream.match(/^([^\]\\]|\\.)*\]:/, false)) {
      state.f = footnoteLinkInside;
      stream.next(); // Consume [
      if (modeCfg.highlightFormatting) state.formatting = "link";
      state.linkText = true;
      return getType(state);
    }
    return switchInline(stream, state, inlineNormal);
  }

  function footnoteLinkInside(stream, state) {
    if (stream.match(/^\]:/, true)) {
      state.f = state.inline = footnoteUrl;
      if (modeCfg.highlightFormatting) state.formatting = "link";
      var returnType = getType(state);
      state.linkText = false;
      return returnType;
    }

    stream.match(/^([^\]\\]|\\.)+/, true);

    return tokenTypes.linkText;
  }

  function footnoteUrl(stream, state) {
    // Check if space, and return NULL if so (to avoid marking the space)
    if(stream.eatSpace()){
      return null;
    }
    // Match URL
    stream.match(/^[^\s]+/, true);
    // Check for link title
    if (stream.peek() === undefined) { // End of line, set flag to check next line
      state.linkTitle = true;
    } else { // More content on line, check if link title
      stream.match(/^(?:\s+(?:"(?:[^"\\]|\\\\|\\.)+"|'(?:[^'\\]|\\\\|\\.)+'|\((?:[^)\\]|\\\\|\\.)+\)))?/, true);
    }
    state.f = state.inline = inlineNormal;
    return tokenTypes.linkHref + " url";
  }

  var mode = {
    startState: function() {
      return {
        f: blockNormal,

        prevLine: {stream: null},
        thisLine: {stream: null},

        block: blockNormal,
        htmlState: null,
        indentation: 0,

        inline: inlineNormal,
        text: handleText,

        formatting: false,
        linkText: false,
        linkHref: false,
        linkTitle: false,
        code: 0,
        em: false,
        strong: false,
        header: 0,
        setext: 0,
        hr: false,
        taskList: false,
        list: false,
        listStack: [],
        quote: 0,
        trailingSpace: 0,
        trailingSpaceNewLine: false,
        strikethrough: false,
        emoji: false,
        fencedEndRE: null
      };
    },

    copyState: function(s) {
      return {
        f: s.f,

        prevLine: s.prevLine,
        thisLine: s.thisLine,

        block: s.block,
        htmlState: s.htmlState && CodeMirror.copyState(htmlMode, s.htmlState),
        indentation: s.indentation,

        localMode: s.localMode,
        localState: s.localMode ? CodeMirror.copyState(s.localMode, s.localState) : null,

        inline: s.inline,
        text: s.text,
        formatting: false,
        linkText: s.linkText,
        linkTitle: s.linkTitle,
        linkHref: s.linkHref,
        code: s.code,
        em: s.em,
        strong: s.strong,
        strikethrough: s.strikethrough,
        emoji: s.emoji,
        header: s.header,
        setext: s.setext,
        hr: s.hr,
        taskList: s.taskList,
        list: s.list,
        listStack: s.listStack.slice(0),
        quote: s.quote,
        indentedCode: s.indentedCode,
        trailingSpace: s.trailingSpace,
        trailingSpaceNewLine: s.trailingSpaceNewLine,
        md_inside: s.md_inside,
        fencedEndRE: s.fencedEndRE
      };
    },

    token: function(stream, state) {

      // Reset state.formatting
      state.formatting = false;

      if (stream != state.thisLine.stream) {
        state.header = 0;
        state.hr = false;

        if (stream.match(/^\s*$/, true)) {
          blankLine(state);
          return null;
        }

        state.prevLine = state.thisLine
        state.thisLine = {stream: stream}

        // Reset state.taskList
        state.taskList = false;

        // Reset state.trailingSpace
        state.trailingSpace = 0;
        state.trailingSpaceNewLine = false;

        if (!state.localState) {
          state.f = state.block;
          if (state.f != htmlBlock) {
            var indentation = stream.match(/^\s*/, true)[0].replace(/\t/g, expandedTab).length;
            state.indentation = indentation;
            state.indentationDiff = null;
            if (indentation > 0) return null;
          }
        }
      }
      return state.f(stream, state);
    },

    innerMode: function(state) {
      if (state.block == htmlBlock) return {state: state.htmlState, mode: htmlMode};
      if (state.localState) return {state: state.localState, mode: state.localMode};
      return {state: state, mode: mode};
    },

    indent: function(state, textAfter, line) {
      if (state.block == htmlBlock && htmlMode.indent) return htmlMode.indent(state.htmlState, textAfter, line)
      if (state.localState && state.localMode.indent) return state.localMode.indent(state.localState, textAfter, line)
      return CodeMirror.Pass
    },

    blankLine: blankLine,

    getType: getType,

    blockCommentStart: "<!--",
    blockCommentEnd: "-->",
    closeBrackets: "()[]{}''\"\"``",
    fold: "markdown"
  };
  return mode;
}, "xml");

CodeMirror.defineMIME("text/markdown", "markdown");

CodeMirror.defineMIME("text/x-markdown", "markdown");

});

// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: https://codemirror.net/LICENSE

// Utility function that allows modes to be combined. The mode given
// as the base argument takes care of most of the normal mode
// functionality, but a second (typically simple) mode is used, which
// can override the style of text. Both modes get to parse all of the
// text, but when both assign a non-null style to a piece of code, the
// overlay wins, unless the combine argument was true and not overridden,
// or state.overlay.combineTokens was true, in which case the styles are
// combined.

(function(mod) {
  if (typeof exports == "object" && typeof module == "object") // CommonJS
    mod(require("../../lib/codemirror"));
  else if (typeof define == "function" && define.amd) // AMD
    define('codemirror/addon/mode/overlay',["../../lib/codemirror"], mod);
  else // Plain browser env
    mod(CodeMirror);
})(function(CodeMirror) {
"use strict";

CodeMirror.overlayMode = function(base, overlay, combine) {
  return {
    startState: function() {
      return {
        base: CodeMirror.startState(base),
        overlay: CodeMirror.startState(overlay),
        basePos: 0, baseCur: null,
        overlayPos: 0, overlayCur: null,
        streamSeen: null
      };
    },
    copyState: function(state) {
      return {
        base: CodeMirror.copyState(base, state.base),
        overlay: CodeMirror.copyState(overlay, state.overlay),
        basePos: state.basePos, baseCur: null,
        overlayPos: state.overlayPos, overlayCur: null
      };
    },

    token: function(stream, state) {
      if (stream != state.streamSeen ||
          Math.min(state.basePos, state.overlayPos) < stream.start) {
        state.streamSeen = stream;
        state.basePos = state.overlayPos = stream.start;
      }

      if (stream.start == state.basePos) {
        state.baseCur = base.token(stream, state.base);
        state.basePos = stream.pos;
      }
      if (stream.start == state.overlayPos) {
        stream.pos = stream.start;
        state.overlayCur = overlay.token(stream, state.overlay);
        state.overlayPos = stream.pos;
      }
      stream.pos = Math.min(state.basePos, state.overlayPos);

      // state.overlay.combineTokens always takes precedence over combine,
      // unless set to null
      if (state.overlayCur == null) return state.baseCur;
      else if (state.baseCur != null &&
               state.overlay.combineTokens ||
               combine && state.overlay.combineTokens == null)
        return state.baseCur + " " + state.overlayCur;
      else return state.overlayCur;
    },

    indent: base.indent && function(state, textAfter, line) {
      return base.indent(state.base, textAfter, line);
    },
    electricChars: base.electricChars,

    innerMode: function(state) { return {state: state.base, mode: base}; },

    blankLine: function(state) {
      var baseToken, overlayToken;
      if (base.blankLine) baseToken = base.blankLine(state.base);
      if (overlay.blankLine) overlayToken = overlay.blankLine(state.overlay);

      return overlayToken == null ?
        baseToken :
        (combine && baseToken != null ? baseToken + " " + overlayToken : overlayToken);
    }
  };
};

});

// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: https://codemirror.net/LICENSE

(function(mod) {
  if (typeof exports == "object" && typeof module == "object") // CommonJS
    mod(require("../../lib/codemirror"), require("../markdown/markdown"), require("../../addon/mode/overlay"));
  else if (typeof define == "function" && define.amd) // AMD
    define('codemirror/mode/gfm/gfm',["../../lib/codemirror", "../markdown/markdown", "../../addon/mode/overlay"], mod);
  else // Plain browser env
    mod(CodeMirror);
})(function(CodeMirror) {
"use strict";

var urlRE = /^((?:(?:aaas?|about|acap|adiumxtra|af[ps]|aim|apt|attachment|aw|beshare|bitcoin|bolo|callto|cap|chrome(?:-extension)?|cid|coap|com-eventbrite-attendee|content|crid|cvs|data|dav|dict|dlna-(?:playcontainer|playsingle)|dns|doi|dtn|dvb|ed2k|facetime|feed|file|finger|fish|ftp|geo|gg|git|gizmoproject|go|gopher|gtalk|h323|hcp|https?|iax|icap|icon|im|imap|info|ipn|ipp|irc[6s]?|iris(?:\.beep|\.lwz|\.xpc|\.xpcs)?|itms|jar|javascript|jms|keyparc|lastfm|ldaps?|magnet|mailto|maps|market|message|mid|mms|ms-help|msnim|msrps?|mtqp|mumble|mupdate|mvn|news|nfs|nih?|nntp|notes|oid|opaquelocktoken|palm|paparazzi|platform|pop|pres|proxy|psyc|query|res(?:ource)?|rmi|rsync|rtmp|rtsp|secondlife|service|session|sftp|sgn|shttp|sieve|sips?|skype|sm[bs]|snmp|soap\.beeps?|soldat|spotify|ssh|steam|svn|tag|teamspeak|tel(?:net)?|tftp|things|thismessage|tip|tn3270|tv|udp|unreal|urn|ut2004|vemmi|ventrilo|view-source|webcal|wss?|wtai|wyciwyg|xcon(?:-userid)?|xfire|xmlrpc\.beeps?|xmpp|xri|ymsgr|z39\.50[rs]?):(?:\/{1,3}|[a-z0-9%])|www\d{0,3}[.]|[a-z0-9.\-]+[.][a-z]{2,4}\/)(?:[^\s()<>]|\([^\s()<>]*\))+(?:\([^\s()<>]*\)|[^\s`*!()\[\]{};:'".,<>?«»“”‘’]))/i

CodeMirror.defineMode("gfm", function(config, modeConfig) {
  var codeDepth = 0;
  function blankLine(state) {
    state.code = false;
    return null;
  }
  var gfmOverlay = {
    startState: function() {
      return {
        code: false,
        codeBlock: false,
        ateSpace: false
      };
    },
    copyState: function(s) {
      return {
        code: s.code,
        codeBlock: s.codeBlock,
        ateSpace: s.ateSpace
      };
    },
    token: function(stream, state) {
      state.combineTokens = null;

      // Hack to prevent formatting override inside code blocks (block and inline)
      if (state.codeBlock) {
        if (stream.match(/^```+/)) {
          state.codeBlock = false;
          return null;
        }
        stream.skipToEnd();
        return null;
      }
      if (stream.sol()) {
        state.code = false;
      }
      if (stream.sol() && stream.match(/^```+/)) {
        stream.skipToEnd();
        state.codeBlock = true;
        return null;
      }
      // If this block is changed, it may need to be updated in Markdown mode
      if (stream.peek() === '`') {
        stream.next();
        var before = stream.pos;
        stream.eatWhile('`');
        var difference = 1 + stream.pos - before;
        if (!state.code) {
          codeDepth = difference;
          state.code = true;
        } else {
          if (difference === codeDepth) { // Must be exact
            state.code = false;
          }
        }
        return null;
      } else if (state.code) {
        stream.next();
        return null;
      }
      // Check if space. If so, links can be formatted later on
      if (stream.eatSpace()) {
        state.ateSpace = true;
        return null;
      }
      if (stream.sol() || state.ateSpace) {
        state.ateSpace = false;
        if (modeConfig.gitHubSpice !== false) {
          if(stream.match(/^(?:[a-zA-Z0-9\-_]+\/)?(?:[a-zA-Z0-9\-_]+@)?(?=.{0,6}\d)(?:[a-f0-9]{7,40}\b)/)) {
            // User/Project@SHA
            // User@SHA
            // SHA
            state.combineTokens = true;
            return "link";
          } else if (stream.match(/^(?:[a-zA-Z0-9\-_]+\/)?(?:[a-zA-Z0-9\-_]+)?#[0-9]+\b/)) {
            // User/Project#Num
            // User#Num
            // #Num
            state.combineTokens = true;
            return "link";
          }
        }
      }
      if (stream.match(urlRE) &&
          stream.string.slice(stream.start - 2, stream.start) != "](" &&
          (stream.start == 0 || /\W/.test(stream.string.charAt(stream.start - 1)))) {
        // URLs
        // Taken from http://daringfireball.net/2010/07/improved_regex_for_matching_urls
        // And then (issue #1160) simplified to make it not crash the Chrome Regexp engine
        // And then limited url schemes to the CommonMark list, so foo:bar isn't matched as a URL
        state.combineTokens = true;
        return "link";
      }
      stream.next();
      return null;
    },
    blankLine: blankLine
  };

  var markdownConfig = {
    taskLists: true,
    strikethrough: true,
    emoji: true
  };
  for (var attr in modeConfig) {
    markdownConfig[attr] = modeConfig[attr];
  }
  markdownConfig.name = "markdown";
  return CodeMirror.overlayMode(CodeMirror.getMode(config, markdownConfig), gfmOverlay);

}, "markdown");

  CodeMirror.defineMIME("text/x-gfm", "gfm");
});

// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: https://codemirror.net/LICENSE

(function(mod) {
  if (typeof exports == "object" && typeof module == "object") // CommonJS
    mod(require("../../lib/codemirror"));
  else if (typeof define == "function" && define.amd) // AMD
    define('codemirror/addon/mode/multiplex',["../../lib/codemirror"], mod);
  else // Plain browser env
    mod(CodeMirror);
})(function(CodeMirror) {
"use strict";

CodeMirror.multiplexingMode = function(outer /*, others */) {
  // Others should be {open, close, mode [, delimStyle] [, innerStyle]} objects
  var others = Array.prototype.slice.call(arguments, 1);

  function indexOf(string, pattern, from, returnEnd) {
    if (typeof pattern == "string") {
      var found = string.indexOf(pattern, from);
      return returnEnd && found > -1 ? found + pattern.length : found;
    }
    var m = pattern.exec(from ? string.slice(from) : string);
    return m ? m.index + from + (returnEnd ? m[0].length : 0) : -1;
  }

  return {
    startState: function() {
      return {
        outer: CodeMirror.startState(outer),
        innerActive: null,
        inner: null
      };
    },

    copyState: function(state) {
      return {
        outer: CodeMirror.copyState(outer, state.outer),
        innerActive: state.innerActive,
        inner: state.innerActive && CodeMirror.copyState(state.innerActive.mode, state.inner)
      };
    },

    token: function(stream, state) {
      if (!state.innerActive) {
        var cutOff = Infinity, oldContent = stream.string;
        for (var i = 0; i < others.length; ++i) {
          var other = others[i];
          var found = indexOf(oldContent, other.open, stream.pos);
          if (found == stream.pos) {
            if (!other.parseDelimiters) stream.match(other.open);
            state.innerActive = other;

            // Get the outer indent, making sure to handle CodeMirror.Pass
            var outerIndent = 0;
            if (outer.indent) {
              var possibleOuterIndent = outer.indent(state.outer, "", "");
              if (possibleOuterIndent !== CodeMirror.Pass) outerIndent = possibleOuterIndent;
            }

            state.inner = CodeMirror.startState(other.mode, outerIndent);
            return other.delimStyle && (other.delimStyle + " " + other.delimStyle + "-open");
          } else if (found != -1 && found < cutOff) {
            cutOff = found;
          }
        }
        if (cutOff != Infinity) stream.string = oldContent.slice(0, cutOff);
        var outerToken = outer.token(stream, state.outer);
        if (cutOff != Infinity) stream.string = oldContent;
        return outerToken;
      } else {
        var curInner = state.innerActive, oldContent = stream.string;
        if (!curInner.close && stream.sol()) {
          state.innerActive = state.inner = null;
          return this.token(stream, state);
        }
        var found = curInner.close ? indexOf(oldContent, curInner.close, stream.pos, curInner.parseDelimiters) : -1;
        if (found == stream.pos && !curInner.parseDelimiters) {
          stream.match(curInner.close);
          state.innerActive = state.inner = null;
          return curInner.delimStyle && (curInner.delimStyle + " " + curInner.delimStyle + "-close");
        }
        if (found > -1) stream.string = oldContent.slice(0, found);
        var innerToken = curInner.mode.token(stream, state.inner);
        if (found > -1) stream.string = oldContent;

        if (found == stream.pos && curInner.parseDelimiters)
          state.innerActive = state.inner = null;

        if (curInner.innerStyle) {
          if (innerToken) innerToken = innerToken + " " + curInner.innerStyle;
          else innerToken = curInner.innerStyle;
        }

        return innerToken;
      }
    },

    indent: function(state, textAfter, line) {
      var mode = state.innerActive ? state.innerActive.mode : outer;
      if (!mode.indent) return CodeMirror.Pass;
      return mode.indent(state.innerActive ? state.inner : state.outer, textAfter, line);
    },

    blankLine: function(state) {
      var mode = state.innerActive ? state.innerActive.mode : outer;
      if (mode.blankLine) {
        mode.blankLine(state.innerActive ? state.inner : state.outer);
      }
      if (!state.innerActive) {
        for (var i = 0; i < others.length; ++i) {
          var other = others[i];
          if (other.open === "\n") {
            state.innerActive = other;
            state.inner = CodeMirror.startState(other.mode, mode.indent ? mode.indent(state.outer, "", "") : 0);
          }
        }
      } else if (state.innerActive.close === "\n") {
        state.innerActive = state.inner = null;
      }
    },

    electricChars: outer.electricChars,

    innerMode: function(state) {
      return state.inner ? {state: state.inner, mode: state.innerActive.mode} : {state: state.outer, mode: outer};
    }
  };
};

});

// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: https://codemirror.net/LICENSE

(function(mod) {
  if (typeof exports == "object" && typeof module == "object") // CommonJS
    mod(require("../../lib/codemirror"));
  else if (typeof define == "function" && define.amd) // AMD
    define('codemirror/mode/python/python',["../../lib/codemirror"], mod);
  else // Plain browser env
    mod(CodeMirror);
})(function(CodeMirror) {
  "use strict";

  function wordRegexp(words) {
    return new RegExp("^((" + words.join(")|(") + "))\\b");
  }

  var wordOperators = wordRegexp(["and", "or", "not", "is"]);
  var commonKeywords = ["as", "assert", "break", "class", "continue",
                        "def", "del", "elif", "else", "except", "finally",
                        "for", "from", "global", "if", "import",
                        "lambda", "pass", "raise", "return",
                        "try", "while", "with", "yield", "in"];
  var commonBuiltins = ["abs", "all", "any", "bin", "bool", "bytearray", "callable", "chr",
                        "classmethod", "compile", "complex", "delattr", "dict", "dir", "divmod",
                        "enumerate", "eval", "filter", "float", "format", "frozenset",
                        "getattr", "globals", "hasattr", "hash", "help", "hex", "id",
                        "input", "int", "isinstance", "issubclass", "iter", "len",
                        "list", "locals", "map", "max", "memoryview", "min", "next",
                        "object", "oct", "open", "ord", "pow", "property", "range",
                        "repr", "reversed", "round", "set", "setattr", "slice",
                        "sorted", "staticmethod", "str", "sum", "super", "tuple",
                        "type", "vars", "zip", "__import__", "NotImplemented",
                        "Ellipsis", "__debug__"];
  CodeMirror.registerHelper("hintWords", "python", commonKeywords.concat(commonBuiltins));

  function top(state) {
    return state.scopes[state.scopes.length - 1];
  }

  CodeMirror.defineMode("python", function(conf, parserConf) {
    var ERRORCLASS = "error";

    var delimiters = parserConf.delimiters || parserConf.singleDelimiters || /^[\(\)\[\]\{\}@,:`=;\.\\]/;
    //               (Backwards-compatibility with old, cumbersome config system)
    var operators = [parserConf.singleOperators, parserConf.doubleOperators, parserConf.doubleDelimiters, parserConf.tripleDelimiters,
                     parserConf.operators || /^([-+*/%\/&|^]=?|[<>=]+|\/\/=?|\*\*=?|!=|[~!@]|\.\.\.)/]
    for (var i = 0; i < operators.length; i++) if (!operators[i]) operators.splice(i--, 1)

    var hangingIndent = parserConf.hangingIndent || conf.indentUnit;

    var myKeywords = commonKeywords, myBuiltins = commonBuiltins;
    if (parserConf.extra_keywords != undefined)
      myKeywords = myKeywords.concat(parserConf.extra_keywords);

    if (parserConf.extra_builtins != undefined)
      myBuiltins = myBuiltins.concat(parserConf.extra_builtins);

    var py3 = !(parserConf.version && Number(parserConf.version) < 3)
    if (py3) {
      // since http://legacy.python.org/dev/peps/pep-0465/ @ is also an operator
      var identifiers = parserConf.identifiers|| /^[_A-Za-z\u00A1-\uFFFF][_A-Za-z0-9\u00A1-\uFFFF]*/;
      myKeywords = myKeywords.concat(["nonlocal", "False", "True", "None", "async", "await"]);
      myBuiltins = myBuiltins.concat(["ascii", "bytes", "exec", "print"]);
      var stringPrefixes = new RegExp("^(([rbuf]|(br)|(fr))?('{3}|\"{3}|['\"]))", "i");
    } else {
      var identifiers = parserConf.identifiers|| /^[_A-Za-z][_A-Za-z0-9]*/;
      myKeywords = myKeywords.concat(["exec", "print"]);
      myBuiltins = myBuiltins.concat(["apply", "basestring", "buffer", "cmp", "coerce", "execfile",
                                      "file", "intern", "long", "raw_input", "reduce", "reload",
                                      "unichr", "unicode", "xrange", "False", "True", "None"]);
      var stringPrefixes = new RegExp("^(([rubf]|(ur)|(br))?('{3}|\"{3}|['\"]))", "i");
    }
    var keywords = wordRegexp(myKeywords);
    var builtins = wordRegexp(myBuiltins);

    // tokenizers
    function tokenBase(stream, state) {
      var sol = stream.sol() && state.lastToken != "\\"
      if (sol) state.indent = stream.indentation()
      // Handle scope changes
      if (sol && top(state).type == "py") {
        var scopeOffset = top(state).offset;
        if (stream.eatSpace()) {
          var lineOffset = stream.indentation();
          if (lineOffset > scopeOffset)
            pushPyScope(state);
          else if (lineOffset < scopeOffset && dedent(stream, state) && stream.peek() != "#")
            state.errorToken = true;
          return null;
        } else {
          var style = tokenBaseInner(stream, state);
          if (scopeOffset > 0 && dedent(stream, state))
            style += " " + ERRORCLASS;
          return style;
        }
      }
      return tokenBaseInner(stream, state);
    }

    function tokenBaseInner(stream, state, inFormat) {
      if (stream.eatSpace()) return null;

      // Handle Comments
      if (!inFormat && stream.match(/^#.*/)) return "comment";

      // Handle Number Literals
      if (stream.match(/^[0-9\.]/, false)) {
        var floatLiteral = false;
        // Floats
        if (stream.match(/^[\d_]*\.\d+(e[\+\-]?\d+)?/i)) { floatLiteral = true; }
        if (stream.match(/^[\d_]+\.\d*/)) { floatLiteral = true; }
        if (stream.match(/^\.\d+/)) { floatLiteral = true; }
        if (floatLiteral) {
          // Float literals may be "imaginary"
          stream.eat(/J/i);
          return "number";
        }
        // Integers
        var intLiteral = false;
        // Hex
        if (stream.match(/^0x[0-9a-f_]+/i)) intLiteral = true;
        // Binary
        if (stream.match(/^0b[01_]+/i)) intLiteral = true;
        // Octal
        if (stream.match(/^0o[0-7_]+/i)) intLiteral = true;
        // Decimal
        if (stream.match(/^[1-9][\d_]*(e[\+\-]?[\d_]+)?/)) {
          // Decimal literals may be "imaginary"
          stream.eat(/J/i);
          // TODO - Can you have imaginary longs?
          intLiteral = true;
        }
        // Zero by itself with no other piece of number.
        if (stream.match(/^0(?![\dx])/i)) intLiteral = true;
        if (intLiteral) {
          // Integer literals may be "long"
          stream.eat(/L/i);
          return "number";
        }
      }

      // Handle Strings
      if (stream.match(stringPrefixes)) {
        var isFmtString = stream.current().toLowerCase().indexOf('f') !== -1;
        if (!isFmtString) {
          state.tokenize = tokenStringFactory(stream.current(), state.tokenize);
          return state.tokenize(stream, state);
        } else {
          state.tokenize = formatStringFactory(stream.current(), state.tokenize);
          return state.tokenize(stream, state);
        }
      }

      for (var i = 0; i < operators.length; i++)
        if (stream.match(operators[i])) return "operator"

      if (stream.match(delimiters)) return "punctuation";

      if (state.lastToken == "." && stream.match(identifiers))
        return "property";

      if (stream.match(keywords) || stream.match(wordOperators))
        return "keyword";

      if (stream.match(builtins))
        return "builtin";

      if (stream.match(/^(self|cls)\b/))
        return "variable-2";

      if (stream.match(identifiers)) {
        if (state.lastToken == "def" || state.lastToken == "class")
          return "def";
        return "variable";
      }

      // Handle non-detected items
      stream.next();
      return inFormat ? null :ERRORCLASS;
    }

    function formatStringFactory(delimiter, tokenOuter) {
      while ("rubf".indexOf(delimiter.charAt(0).toLowerCase()) >= 0)
        delimiter = delimiter.substr(1);

      var singleline = delimiter.length == 1;
      var OUTCLASS = "string";

      function tokenNestedExpr(depth) {
        return function(stream, state) {
          var inner = tokenBaseInner(stream, state, true)
          if (inner == "punctuation") {
            if (stream.current() == "{") {
              state.tokenize = tokenNestedExpr(depth + 1)
            } else if (stream.current() == "}") {
              if (depth > 1) state.tokenize = tokenNestedExpr(depth - 1)
              else state.tokenize = tokenString
            }
          }
          return inner
        }
      }

      function tokenString(stream, state) {
        while (!stream.eol()) {
          stream.eatWhile(/[^'"\{\}\\]/);
          if (stream.eat("\\")) {
            stream.next();
            if (singleline && stream.eol())
              return OUTCLASS;
          } else if (stream.match(delimiter)) {
            state.tokenize = tokenOuter;
            return OUTCLASS;
          } else if (stream.match('{{')) {
            // ignore {{ in f-str
            return OUTCLASS;
          } else if (stream.match('{', false)) {
            // switch to nested mode
            state.tokenize = tokenNestedExpr(0)
            if (stream.current()) return OUTCLASS;
            else return state.tokenize(stream, state)
          } else if (stream.match('}}')) {
            return OUTCLASS;
          } else if (stream.match('}')) {
            // single } in f-string is an error
            return ERRORCLASS;
          } else {
            stream.eat(/['"]/);
          }
        }
        if (singleline) {
          if (parserConf.singleLineStringErrors)
            return ERRORCLASS;
          else
            state.tokenize = tokenOuter;
        }
        return OUTCLASS;
      }
      tokenString.isString = true;
      return tokenString;
    }

    function tokenStringFactory(delimiter, tokenOuter) {
      while ("rubf".indexOf(delimiter.charAt(0).toLowerCase()) >= 0)
        delimiter = delimiter.substr(1);

      var singleline = delimiter.length == 1;
      var OUTCLASS = "string";

      function tokenString(stream, state) {
        while (!stream.eol()) {
          stream.eatWhile(/[^'"\\]/);
          if (stream.eat("\\")) {
            stream.next();
            if (singleline && stream.eol())
              return OUTCLASS;
          } else if (stream.match(delimiter)) {
            state.tokenize = tokenOuter;
            return OUTCLASS;
          } else {
            stream.eat(/['"]/);
          }
        }
        if (singleline) {
          if (parserConf.singleLineStringErrors)
            return ERRORCLASS;
          else
            state.tokenize = tokenOuter;
        }
        return OUTCLASS;
      }
      tokenString.isString = true;
      return tokenString;
    }

    function pushPyScope(state) {
      while (top(state).type != "py") state.scopes.pop()
      state.scopes.push({offset: top(state).offset + conf.indentUnit,
                         type: "py",
                         align: null})
    }

    function pushBracketScope(stream, state, type) {
      var align = stream.match(/^([\s\[\{\(]|#.*)*$/, false) ? null : stream.column() + 1
      state.scopes.push({offset: state.indent + hangingIndent,
                         type: type,
                         align: align})
    }

    function dedent(stream, state) {
      var indented = stream.indentation();
      while (state.scopes.length > 1 && top(state).offset > indented) {
        if (top(state).type != "py") return true;
        state.scopes.pop();
      }
      return top(state).offset != indented;
    }

    function tokenLexer(stream, state) {
      if (stream.sol()) state.beginningOfLine = true;

      var style = state.tokenize(stream, state);
      var current = stream.current();

      // Handle decorators
      if (state.beginningOfLine && current == "@")
        return stream.match(identifiers, false) ? "meta" : py3 ? "operator" : ERRORCLASS;

      if (/\S/.test(current)) state.beginningOfLine = false;

      if ((style == "variable" || style == "builtin")
          && state.lastToken == "meta")
        style = "meta";

      // Handle scope changes.
      if (current == "pass" || current == "return")
        state.dedent += 1;

      if (current == "lambda") state.lambda = true;
      if (current == ":" && !state.lambda && top(state).type == "py")
        pushPyScope(state);

      if (current.length == 1 && !/string|comment/.test(style)) {
        var delimiter_index = "[({".indexOf(current);
        if (delimiter_index != -1)
          pushBracketScope(stream, state, "])}".slice(delimiter_index, delimiter_index+1));

        delimiter_index = "])}".indexOf(current);
        if (delimiter_index != -1) {
          if (top(state).type == current) state.indent = state.scopes.pop().offset - hangingIndent
          else return ERRORCLASS;
        }
      }
      if (state.dedent > 0 && stream.eol() && top(state).type == "py") {
        if (state.scopes.length > 1) state.scopes.pop();
        state.dedent -= 1;
      }

      return style;
    }

    var external = {
      startState: function(basecolumn) {
        return {
          tokenize: tokenBase,
          scopes: [{offset: basecolumn || 0, type: "py", align: null}],
          indent: basecolumn || 0,
          lastToken: null,
          lambda: false,
          dedent: 0
        };
      },

      token: function(stream, state) {
        var addErr = state.errorToken;
        if (addErr) state.errorToken = false;
        var style = tokenLexer(stream, state);

        if (style && style != "comment")
          state.lastToken = (style == "keyword" || style == "punctuation") ? stream.current() : style;
        if (style == "punctuation") style = null;

        if (stream.eol() && state.lambda)
          state.lambda = false;
        return addErr ? style + " " + ERRORCLASS : style;
      },

      indent: function(state, textAfter) {
        if (state.tokenize != tokenBase)
          return state.tokenize.isString ? CodeMirror.Pass : 0;

        var scope = top(state), closing = scope.type == textAfter.charAt(0)
        if (scope.align != null)
          return scope.align - (closing ? 1 : 0)
        else
          return scope.offset - (closing ? hangingIndent : 0)
      },

      electricInput: /^\s*[\}\]\)]$/,
      closeBrackets: {triples: "'\""},
      lineComment: "#",
      fold: "indent"
    };
    return external;
  });

  CodeMirror.defineMIME("text/x-python", "python");

  var words = function(str) { return str.split(" "); };

  CodeMirror.defineMIME("text/x-cython", {
    name: "python",
    extra_keywords: words("by cdef cimport cpdef ctypedef enum except "+
                          "extern gil include nogil property public "+
                          "readonly struct union DEF IF ELIF ELSE")
  });

});

// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: https://codemirror.net/LICENSE

/*
 * Author: Constantin Jucovschi (c.jucovschi@jacobs-university.de)
 * Licence: MIT
 */

(function(mod) {
  if (typeof exports == "object" && typeof module == "object") // CommonJS
    mod(require("../../lib/codemirror"));
  else if (typeof define == "function" && define.amd) // AMD
    define('codemirror/mode/stex/stex',["../../lib/codemirror"], mod);
  else // Plain browser env
    mod(CodeMirror);
})(function(CodeMirror) {
  "use strict";

  CodeMirror.defineMode("stex", function(_config, parserConfig) {
    "use strict";

    function pushCommand(state, command) {
      state.cmdState.push(command);
    }

    function peekCommand(state) {
      if (state.cmdState.length > 0) {
        return state.cmdState[state.cmdState.length - 1];
      } else {
        return null;
      }
    }

    function popCommand(state) {
      var plug = state.cmdState.pop();
      if (plug) {
        plug.closeBracket();
      }
    }

    // returns the non-default plugin closest to the end of the list
    function getMostPowerful(state) {
      var context = state.cmdState;
      for (var i = context.length - 1; i >= 0; i--) {
        var plug = context[i];
        if (plug.name == "DEFAULT") {
          continue;
        }
        return plug;
      }
      return { styleIdentifier: function() { return null; } };
    }

    function addPluginPattern(pluginName, cmdStyle, styles) {
      return function () {
        this.name = pluginName;
        this.bracketNo = 0;
        this.style = cmdStyle;
        this.styles = styles;
        this.argument = null;   // \begin and \end have arguments that follow. These are stored in the plugin

        this.styleIdentifier = function() {
          return this.styles[this.bracketNo - 1] || null;
        };
        this.openBracket = function() {
          this.bracketNo++;
          return "bracket";
        };
        this.closeBracket = function() {};
      };
    }

    var plugins = {};

    plugins["importmodule"] = addPluginPattern("importmodule", "tag", ["string", "builtin"]);
    plugins["documentclass"] = addPluginPattern("documentclass", "tag", ["", "atom"]);
    plugins["usepackage"] = addPluginPattern("usepackage", "tag", ["atom"]);
    plugins["begin"] = addPluginPattern("begin", "tag", ["atom"]);
    plugins["end"] = addPluginPattern("end", "tag", ["atom"]);

    plugins["label"    ] = addPluginPattern("label"    , "tag", ["atom"]);
    plugins["ref"      ] = addPluginPattern("ref"      , "tag", ["atom"]);
    plugins["eqref"    ] = addPluginPattern("eqref"    , "tag", ["atom"]);
    plugins["cite"     ] = addPluginPattern("cite"     , "tag", ["atom"]);
    plugins["bibitem"  ] = addPluginPattern("bibitem"  , "tag", ["atom"]);
    plugins["Bibitem"  ] = addPluginPattern("Bibitem"  , "tag", ["atom"]);
    plugins["RBibitem" ] = addPluginPattern("RBibitem" , "tag", ["atom"]);

    plugins["DEFAULT"] = function () {
      this.name = "DEFAULT";
      this.style = "tag";

      this.styleIdentifier = this.openBracket = this.closeBracket = function() {};
    };

    function setState(state, f) {
      state.f = f;
    }

    // called when in a normal (no environment) context
    function normal(source, state) {
      var plug;
      // Do we look like '\command' ?  If so, attempt to apply the plugin 'command'
      if (source.match(/^\\[a-zA-Z@]+/)) {
        var cmdName = source.current().slice(1);
        plug = plugins.hasOwnProperty(cmdName) ? plugins[cmdName] : plugins["DEFAULT"];
        plug = new plug();
        pushCommand(state, plug);
        setState(state, beginParams);
        return plug.style;
      }

      // escape characters
      if (source.match(/^\\[$&%#{}_]/)) {
        return "tag";
      }

      // white space control characters
      if (source.match(/^\\[,;!\/\\]/)) {
        return "tag";
      }

      // find if we're starting various math modes
      if (source.match("\\[")) {
        setState(state, function(source, state){ return inMathMode(source, state, "\\]"); });
        return "keyword";
      }
      if (source.match("\\(")) {
        setState(state, function(source, state){ return inMathMode(source, state, "\\)"); });
        return "keyword";
      }
      if (source.match("$$")) {
        setState(state, function(source, state){ return inMathMode(source, state, "$$"); });
        return "keyword";
      }
      if (source.match("$")) {
        setState(state, function(source, state){ return inMathMode(source, state, "$"); });
        return "keyword";
      }

      var ch = source.next();
      if (ch == "%") {
        source.skipToEnd();
        return "comment";
      } else if (ch == '}' || ch == ']') {
        plug = peekCommand(state);
        if (plug) {
          plug.closeBracket(ch);
          setState(state, beginParams);
        } else {
          return "error";
        }
        return "bracket";
      } else if (ch == '{' || ch == '[') {
        plug = plugins["DEFAULT"];
        plug = new plug();
        pushCommand(state, plug);
        return "bracket";
      } else if (/\d/.test(ch)) {
        source.eatWhile(/[\w.%]/);
        return "atom";
      } else {
        source.eatWhile(/[\w\-_]/);
        plug = getMostPowerful(state);
        if (plug.name == 'begin') {
          plug.argument = source.current();
        }
        return plug.styleIdentifier();
      }
    }

    function inMathMode(source, state, endModeSeq) {
      if (source.eatSpace()) {
        return null;
      }
      if (endModeSeq && source.match(endModeSeq)) {
        setState(state, normal);
        return "keyword";
      }
      if (source.match(/^\\[a-zA-Z@]+/)) {
        return "tag";
      }
      if (source.match(/^[a-zA-Z]+/)) {
        return "variable-2";
      }
      // escape characters
      if (source.match(/^\\[$&%#{}_]/)) {
        return "tag";
      }
      // white space control characters
      if (source.match(/^\\[,;!\/]/)) {
        return "tag";
      }
      // special math-mode characters
      if (source.match(/^[\^_&]/)) {
        return "tag";
      }
      // non-special characters
      if (source.match(/^[+\-<>|=,\/@!*:;'"`~#?]/)) {
        return null;
      }
      if (source.match(/^(\d+\.\d*|\d*\.\d+|\d+)/)) {
        return "number";
      }
      var ch = source.next();
      if (ch == "{" || ch == "}" || ch == "[" || ch == "]" || ch == "(" || ch == ")") {
        return "bracket";
      }

      if (ch == "%") {
        source.skipToEnd();
        return "comment";
      }
      return "error";
    }

    function beginParams(source, state) {
      var ch = source.peek(), lastPlug;
      if (ch == '{' || ch == '[') {
        lastPlug = peekCommand(state);
        lastPlug.openBracket(ch);
        source.eat(ch);
        setState(state, normal);
        return "bracket";
      }
      if (/[ \t\r]/.test(ch)) {
        source.eat(ch);
        return null;
      }
      setState(state, normal);
      popCommand(state);

      return normal(source, state);
    }

    return {
      startState: function() {
        var f = parserConfig.inMathMode ? function(source, state){ return inMathMode(source, state); } : normal;
        return {
          cmdState: [],
          f: f
        };
      },
      copyState: function(s) {
        return {
          cmdState: s.cmdState.slice(),
          f: s.f
        };
      },
      token: function(stream, state) {
        return state.f(stream, state);
      },
      blankLine: function(state) {
        state.f = normal;
        state.cmdState.length = 0;
      },
      lineComment: "%"
    };
  });

  CodeMirror.defineMIME("text/x-stex", "stex");
  CodeMirror.defineMIME("text/x-latex", "stex");

});

// IPython GFM (GitHub Flavored Markdown) mode is just a slightly altered GFM
// Mode with support for latex.
//
// Latex support was supported by Codemirror GFM as of
//   https://github.com/codemirror/CodeMirror/pull/567
// But was later removed in
//   https://github.com/codemirror/CodeMirror/commit/d9c9f1b1ffe984aee41307f3e927f80d1f23590c


(function(mod) {
  if (typeof exports == "object" && typeof module == "object"){ // CommonJS
    mod(requirejs("codemirror/lib/codemirror")
        ,requirejs("codemirror/addon/mode/multiplex")
        ,requirejs("codemirror/mode/gfm/gfm")
        ,requirejs("codemirror/mode/stex/stex")
        );
  } else if (typeof define == "function" && define.amd){ // AMD
    define('notebook/js/codemirror-ipythongfm',["codemirror/lib/codemirror"
            ,"codemirror/addon/mode/multiplex"
            ,"codemirror/mode/python/python"
            ,"codemirror/mode/stex/stex"
            ], mod);
  } else {// Plain browser env
    mod(CodeMirror);
  }
})( function(CodeMirror){
    "use strict";

    CodeMirror.defineMode("ipythongfm", function(config, parserConfig) {

        var gfm_mode = CodeMirror.getMode(config, "gfm");
        var tex_mode = CodeMirror.getMode(config, "stex");

        return CodeMirror.multiplexingMode(
            gfm_mode,
            // By defining the $$ delimiter before the $ delimiter we don't run
            // into the problem that $$ is interpreted as two consecutive $.
            {
                open: "$$", close: "$$",
                mode: tex_mode,
                delimStyle: "delimit"
            },
            {
                open: "$", close: "$",
                mode: tex_mode,
                delimStyle: "delimit"
            },
            {
                open: "\\(", close: "\\)",
                mode: tex_mode,
                delimStyle: "delimit"
            },
            {
                open: "\\[", close: "\\]",
                mode: tex_mode,
                delimStyle: "delimit"
            }
            // .. more multiplexed styles can follow here
        );
    }, 'gfm');

    CodeMirror.defineMIME("text/x-ipythongfm", "ipythongfm");
})
;
// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.

define('bidi/numericshaping',[],
    function(bidi) {
    "use strict";
	
    var regex = /([0-9])|([\u0660-\u0669])|([\u0608\u060B\u060D\u061B-\u064A\u066D-\u066F\u0671-\u06D5\u06E5-\u06E6\u06EE-\u06EF\u06FA-\u06FF\u0750-\u077F\u08A0-\u08E3\u200F\u202B\u202E\u2067\uFB50-\uFD3D\uFD40-\uFDCF\uFDF0-\uFDFC\uFDFE-\uFDFF\uFE70-\uFEFE]+)|([^0-9\u0660-\u0669\u0608\u060B\u060D\u061B-\u064A\u066D-\u066F\u0671-\u06D5\u06E5-\u06E6\u06EE-\u06EF\u06FA-\u06FF\u0750-\u077F\u08A0-\u08E3\u200F\u202B\u202E\u2067\uFB50-\uFD3D\uFD40-\uFDCF\uFDF0-\uFDFC\uFDFE-\uFDFF\uFE70-\uFEFE\u0600-\u0607\u0609-\u060A\u060C\u060E-\u061A\u064B-\u066C\u0670\u06D6-\u06E4\u06E7-\u06ED\u06F0-\u06F9\u08E4-\u08FF\uFD3E-\uFD3F\uFDD0-\uFDEF\uFDFD\uFEFF\u0000-\u0040\u005B-\u0060\u007B-\u007F\u0080-\u00A9\u00AB-\u00B4\u00B6-\u00B9\u00BB-\u00BF\u00D7\u00F7\u02B9-\u02BA\u02C2-\u02CF\u02D2-\u02DF\u02E5-\u02ED\u02EF-\u02FF\u2070\u2074-\u207E\u2080-\u208E\u2100-\u2101\u2103-\u2106\u2108-\u2109\u2114\u2116-\u2118\u211E-\u2123\u2125\u2127\u2129\u212E\u213A-\u213B\u2140-\u2144\u214A-\u214D\u2150-\u215F\u2189\uA720-\uA721\uA788\uFF01-\uFF20\uFF3B-\uFF40\uFF5B-\uFF65\uFFE0-\uFFE6\uFFE8-\uFFEE]+)/g;
	
    var shape = function(text, shaperType) {
        text = text.toString();
        if (!text) { 
            return text;
        }
        switch (shaperType) {
            case "defaultNumeral":
                return _shapeEuropean(text);
            case "national":
                return _shapeArabic(text);
            default:
                return text;
        }
    };
    
    var _shapeEuropean = function(text) {
        return text.replace(/[\u0660-\u0669]/g, function(c) {
            return c.charCodeAt(0) - 1632;
        });
    };

    var _shapeArabic = function(text) {
        return text.replace(/[0-9]/g, function(c) {
            return String.fromCharCode(parseInt(c) + 1632);
        });
    };
   
    var numericshaping = {
        shapeNumerals : shape
    };
           
    return numericshaping;       
});

// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.

define('bidi/bidi',['bidi/numericshaping'], function(numericshaping) {
  'use strict';

  var shaperType = '';

  var _uiLang = function() {
    return navigator.language.toLowerCase();
  };

  var _loadLocale = function() {
    if (_isMirroringEnabled()) {
      document.body.dir = 'rtl';
    }

    requirejs(['moment'], function (moment) {
      console.log('Loaded moment locale', moment.locale(_uiLang()));
    });

    shaperType = _uiLang().split('-')[0] == 'ar' ? 'national' : 'defaultNumeral';
  };

  var _isMirroringEnabled = function() {
    return new RegExp('^(ar|ara|arc|ae|ave|egy|he|heb|nqo|pal|phn|sam|syc|syr|fa|per|fas|ckb|ur|urd)').test(_uiLang());
  };

  /**
     * @param value : the string to apply the bidi-support on it.
     * @param flag :indicates the type of bidi-support (Numeric-shaping ,Base-text-dir ).
     */
  var _applyBidi = function(value /*, flag*/) {
    value = numericshaping.shapeNumerals(value, shaperType);
    return value;
  };

  var bidi = {
    applyBidi: _applyBidi,
    isMirroringEnabled: _isMirroringEnabled,
    loadLocale: _loadLocale,
  };

  return bidi;
});

// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.

define('notebook/js/textcell',[
    'jquery',
    'base/js/utils',
    'base/js/i18n',
    'notebook/js/cell',
    'base/js/markdown',
    'services/config',
    'notebook/js/celltoolbar',
    'codemirror/lib/codemirror',
    'codemirror/mode/gfm/gfm',
    'notebook/js/codemirror-ipythongfm',
    'bidi/bidi'
], function(
    $,
    utils,
    i18n,
    cell,
    markdown,
    configmod,
    celltoolbar,
    CodeMirror,
    gfm,
    ipgfm,
    bidi
    ) {
    "use strict";
    function encodeURIandParens(uri){return encodeURI(uri).replace('(','%28').replace(')','%29')}

    /**
     * Given a file name and a list of existing file names, returns a new file name
     * that is not in the existing list. If the file name already exists, a new one with
     * an incremented index is returned instead.
     *
     * Example:
     *  addIndexToFileName('attachment.png',
     *                    ['attachment.png', 'attachment-3.png']) returns 'attachment-4.png'
     *
     * @param  {string} fileName  - original file name
     * @param  {string} fileNames - other file names
     * @return {string}             the original file name or one with a postfix
     *                              index (before the extension, if one exists)
     */
    function addIndexToFileName(fileName, fileNames) {
        if (fileNames === undefined) {
            return fileName;
        }
        var lastDot = fileName.lastIndexOf('.');
        var pre = fileName.substr(0, lastDot);
        var optionalExt = fileName.substr(lastDot);

        var indexMatch = '-(\\d+)';
        // Make the index match optional so we can match both 'fileName.png' and 'fileName-2.png'
        // The ?: makes it a non-capturing group.
        var optionalIndexMatch = '(?:' + indexMatch + ')?';

        var regex = new RegExp(pre + optionalIndexMatch + optionalExt);

        var highestIndex = 0;
        for (var existingFileName in fileNames) {
            var match = existingFileName.match(regex);
            var index = match[1];
            if (index === undefined) {
                index = 1;
            }
            else {
                index = parseInt(index);
            }
            if (index > highestIndex) {
                highestIndex = index;
            }
        }

        if (highestIndex > 0) {
            return pre + "-" + (highestIndex + 1) + optionalExt;
        }
        else {
            return fileName;
        }
    };

    var Cell = cell.Cell;

    var TextCell = function (options) {
        /**
         * Constructor
         *
         * Construct a new TextCell, codemirror mode is by default 'htmlmixed', 
         * and cell type is 'text' cell start as not redered.
         *
         * Parameters:
         *  options: dictionary
         *      Dictionary of keyword arguments.
         *          events: $(Events) instance 
         *          config: dictionary
         *          keyboard_manager: KeyboardManager instance 
         *          notebook: Notebook instance
         */
        options = options || {};

        // in all TextCell/Cell subclasses
        // do not assign most of members here, just pass it down
        // in the options dict potentially overwriting what you wish.
        // they will be assigned in the base class.
        this.notebook = options.notebook;
        this.events = options.events;
        this.config = options.config;

        // we cannot put this as a class key as it has handle to "this".
        Cell.apply(this, [{
                    config: options.config, 
                    keyboard_manager: options.keyboard_manager, 
                    events: this.events}]);

        this.cell_type = this.cell_type || 'text';
        this.rendered = false;
    };

    TextCell.prototype = Object.create(Cell.prototype);

    TextCell.options_default = {
        cm_config : {
            mode: 'htmlmixed',
            lineWrapping : true,
        }
    };


    /**
     * Create the DOM element of the TextCell
     * @method create_element
     * @private
     */
    TextCell.prototype.create_element = function () {
        Cell.prototype.create_element.apply(this, arguments);
        var that = this;

        var cell = $("<div>").addClass('cell text_cell');
        cell.attr('tabindex','2');

        var prompt = $('<div/>').addClass('prompt input_prompt');
        cell.append(prompt);
        var inner_cell = $('<div/>').addClass('inner_cell');
        this.celltoolbar = new celltoolbar.CellToolbar({
            cell: this, 
            notebook: this.notebook});
        inner_cell.append(this.celltoolbar.element);
        var input_area = $('<div/>').addClass('input_area').attr("aria-label", i18n.msg._("Edit Markup Text here"));
        this.code_mirror = new CodeMirror(input_area.get(0), this._options.cm_config);
        // In case of bugs that put the keyboard manager into an inconsistent state,
        // ensure KM is enabled when CodeMirror is focused:
        this.code_mirror.on('focus', function () {
            if (that.keyboard_manager) {
                that.keyboard_manager.enable();
            }
            that.code_mirror.setOption('readOnly', !that.is_editable());
        });
        this.code_mirror.on('keydown', $.proxy(this.handle_keyevent,this))
        // The tabindex=-1 makes this div focusable.
        var render_area = $('<div/>').addClass('text_cell_render rendered_html')
            .attr('tabindex','-1');
        inner_cell.append(input_area).append(render_area);
        cell.append(inner_cell);
        this.element = cell;
        this.inner_cell = inner_cell;
    };


    // Cell level actions

    TextCell.prototype.add_attachment = function (key, mime_type, b64_data) {
        /**
         * Add a new attachment to this cell
         */
        this.attachments[key] = {};
        this.attachments[key][mime_type] = b64_data;
    };

    TextCell.prototype.select = function () {
        var cont = Cell.prototype.select.apply(this, arguments);
        if (cont) {
            if (this.mode === 'edit') {
                this.code_mirror.refresh();
            }
        }
        return cont;
    };

    TextCell.prototype.unrender = function () {
        var cont = Cell.prototype.unrender.apply(this);
        if (cont) {
            var text_cell = this.element;
            if (this.get_text() === this.placeholder) {
                this.set_text('');
            }
            this.refresh();
        }
        return cont;
    };

    TextCell.prototype.execute = function () {
        this.render();
    };

    /**
     * setter: {{#crossLink "TextCell/set_text"}}{{/crossLink}}
     * @method get_text
     * @return {string} CodeMirror current text value
     */
    TextCell.prototype.get_text = function() {
        return this.code_mirror.getValue();
    };

    /**
     * @param {string} text - Codemiror text value
     * @see TextCell#get_text
     * @method set_text
     * */
    TextCell.prototype.set_text = function(text) {
        this.code_mirror.setValue(text);
        this.unrender();
        this.code_mirror.refresh();
    };

    /**
     * setter :{{#crossLink "TextCell/set_rendered"}}{{/crossLink}}
     * @method get_rendered
     * */
    TextCell.prototype.get_rendered = function() {
        return this.element.find('div.text_cell_render').html();
    };

    /**
     * @method set_rendered
     */
    TextCell.prototype.set_rendered = function(text) {
        this.element.find('div.text_cell_render').html(text);
    };


    /**
     * Create Text cell from JSON
     * @param {json} data - JSON serialized text-cell
     * @method fromJSON
     */
    TextCell.prototype.fromJSON = function (data) {
        Cell.prototype.fromJSON.apply(this, arguments);
        if (data.cell_type === this.cell_type) {
            if (data.attachments !== undefined) {
                this.attachments = data.attachments;
            }

            if (data.source !== undefined) {
                this.set_text(data.source);
                // make this value the starting point, so that we can only undo
                // to this state, instead of a blank cell
                this.code_mirror.clearHistory();
                // TODO: This HTML needs to be treated as potentially dangerous
                // user input and should be handled before set_rendered.
                this.set_rendered(data.rendered || '');
                this.rendered = false;
                this.render();
            }
        }
    };

    /** Generate JSON from cell
     * @param {bool} gc_attachments - If true, will remove unused attachments
     *               from the returned JSON
     * @return {object} cell data serialised to json
     */
    TextCell.prototype.toJSON = function (gc_attachments) {
        if (gc_attachments === undefined) {
            gc_attachments = false;
        }

        var data = Cell.prototype.toJSON.apply(this);
        data.source = this.get_text();
        if (data.source == this.placeholder) {
            data.source = "";
        }

        // We deepcopy the attachments so copied cells don't share the same
        // objects
        if (Object.keys(this.attachments).length > 0) {
            if (gc_attachments) {
                // Garbage collect unused attachments : The general idea is to
                // render the text, and find used attachments like when we
                // substitute them in render()
                var that = this;
                data.attachments = {};
                // To find attachments, rendering to HTML is easier than
                // searching in the markdown source for the multiple ways you
                // can reference an image in markdown (using []() or a
                // HTML <img>)
                var text = this.get_text();
                markdown.render(text, {
                    sanitize: true,
                }, function (err, html) {
                    html.find('img[src^="attachment:"]').each(function (i, h) {
                        h = $(h);
                        var key = h.attr('src').replace(/^attachment:/, '');
                        if (that.attachments.hasOwnProperty(key)) {
                            data.attachments[key] = JSON.parse(JSON.stringify(
                                that.attachments[key]));
                        }

                        // This is to avoid having the browser do a GET request
                        // on the invalid attachment: URL
                        h.attr('src', '');
                    });
                });
                if (data.attachments.length === 0) {
                    // omit attachments dict if no attachments
                    delete data.attachments;
                }
            } else {
                data.attachments = JSON.parse(JSON.stringify(this.attachments));
            }
        }
        return data;
    };


    var MarkdownCell = function (options) {
        /**
         * Constructor
         *
         * Parameters:
         *  options: dictionary
         *      Dictionary of keyword arguments.
         *          events: $(Events) instance 
         *          config: ConfigSection instance
         *          keyboard_manager: KeyboardManager instance 
         *          notebook: Notebook instance
         */
        options = options || {};
        var config_default = utils.mergeopt(TextCell, MarkdownCell.options_default);
        this.class_config = new configmod.ConfigWithDefaults(options.config,
                                            config_default, 'MarkdownCell');
        TextCell.apply(this, [$.extend({}, options, {config: options.config})]);

        this.cell_type = 'markdown';

        // Used to keep track of drag events
        this.drag_counter = 0;
    };

    MarkdownCell.options_default = {
        cm_config: {
            mode: 'ipythongfm',
        },
        placeholder: "Type *Markdown* and LaTeX: $\\alpha^2$"
    };

    MarkdownCell.prototype = Object.create(TextCell.prototype);

    MarkdownCell.prototype.set_heading_level = function (level) {
        /**
         * make a markdown cell a heading
         */
        level = level || 1;
        var source = this.get_text();
        source = source.replace(/^(#*)\s?/,
            new Array(level + 1).join('#') + ' ');
        this.set_text(source);
        this.refresh();
        if (this.rendered) {
            this.render();
        }
    };

    MarkdownCell.prototype.select = function () {
        var cont = TextCell.prototype.select.apply(this, arguments);
        if (cont) {
            this.notebook.set_insert_image_enabled(!this.rendered);
        }
    };

    MarkdownCell.prototype.unrender = function () {
        var cont = TextCell.prototype.unrender.apply(this);
        this.notebook.set_insert_image_enabled(true);
    };

    MarkdownCell.prototype.insert_inline_image_from_blob = function(blob) {
        /**
         * Insert markup for an inline image at the current cursor position.
         * This works as follow :
         * - We insert the base64-encoded blob data into the cell attachments
         *   dictionary, keyed by the filename.
         * - We insert an img tag with a 'attachment:key' src that refers to
         *   the attachments entry.
         *
         * Parameters:
         *  file: Blob
         *      The JS Blob object (e.g. from the DataTransferItem)
         */
        var that = this;
        var pos = this.code_mirror.getCursor();
        var reader = new FileReader();
        // We can get either a named file (drag'n'drop) or a blob (copy/paste)
        // We generate names for blobs
        var key;
        if (blob.name !== undefined) {
            key = encodeURIandParens(blob.name);

            // Add an index to the filename if we already have one with the same name
            key = addIndexToFileName(key, that.attachments);
        } else {
            key = '_auto_' + Object.keys(that.attachments).length;
        }

        reader.onloadend = function() {
            var d = utils.parse_b64_data_uri(reader.result);
            var blobData = d[1]

            if (blob.type != d[0]) {
                // TODO(julienr): Not sure what we should do in this case
                console.log('File type (' + blob.type + ') != data-uri ' +
                            'type (' + d[0] + ')');
            }

            // If we have the same attachment already under another key, we change the key to that.
            // This ensures we don't create two attachments if pasting the same image twice.

            for (var savedKey in that.attachments) {
                var attachment = that.attachments[savedKey];
                if (attachment === undefined) continue;

                var savedBlob = attachment[blob.type];
                if (savedBlob === blobData) {
                    key = savedKey;
                }
            }

            that.add_attachment(key, blob.type, blobData);
            var img_md = '![' + key + '](attachment:' + key + ')';
            that.code_mirror.replaceRange(img_md, pos);
        }
        reader.readAsDataURL(blob);
    };

    /**
     * @method render
     */
    MarkdownCell.prototype.render = function () {
        // We clear the dropzone here just in case the dragenter/leave
        // logic of bind_events wasn't 100% successful.
        this.drag_counter = 0;
        this.inner_cell.removeClass('dropzone');

        var cont = TextCell.prototype.render.apply(this);
        if (cont) {
            var that = this;
            var text = this.get_text();
            var math = null;
            if (text === "") { text = this.placeholder; }
            markdown.render(text, {
                with_math: true,
                clean_tables: true,
                sanitize: true,
            }, function (err, html) {
                // add anchors to headings
                html.find(":header").addBack(":header").each(function (i, h) {
                    h = $(h);
                    var hash = h.text().replace(/ /g, '-');
                    h.attr('id', hash);
                    h.append(
                        $('<a/>')
                            .addClass('anchor-link')
                            .attr('href', '#' + hash)
                            .text('¶')
                            .on('click',function(){
                                setTimeout(function(){that.unrender(); that.render()}, 100)
                            })
                    );
                });
                // links in markdown cells should open in new tabs
                html.find("a[href]").not('[href^="#"]').attr("target", "_blank");
                // replace attachment:<key> by the corresponding entry
                // in the cell's attachments
                html.find('img[src^="attachment:"]').each(function (i, h) {
                  h = $(h);
                  var key = h.attr('src').replace(/^attachment:/, '');

                  if (that.attachments.hasOwnProperty(key)) {
                    var att = that.attachments[key];
                    var mime = Object.keys(att)[0];
                    h.attr('src', 'data:' + mime + ';base64,' + att[mime]);
                  } else {
                    h.attr('src', '');
                  }
                });
                that.set_rendered(html);
                that.typeset();
                that.events.trigger("rendered.MarkdownCell", {cell: that});
            });
        }
        return cont;
    };

    /** @method bind_events **/
    MarkdownCell.prototype.bind_events = function () {
        TextCell.prototype.bind_events.apply(this);
        var that = this;

        this.element.dblclick(function () {
            var cont = that.unrender();
            if (cont) {
                that.focus_editor();
            }
        });

        var attachment_regex = /^image\/.*$/;

        // Event handlers to allow users to insert image using either
        // drag'n'drop or copy/paste
        var div = that.code_mirror.getWrapperElement();
        $(div).on('paste', function(evt) {
            var data = evt.originalEvent.clipboardData;
            var items = data.items;
            if (items !== undefined) {
                for (var i = 0; i < items.length; ++i) {
                    var item = items[i];
                    if (item.kind == 'file' && attachment_regex.test(item.type)) {
                        // TODO(julienr): This does not stop code_mirror from pasting
                        // the filename.
                        evt.stopPropagation();
                        evt.preventDefault();
                        that.insert_inline_image_from_blob(item.getAsFile());
                    }
                }
            }
        });

        // Allow drag event if the dragged file can be used as an attachment
        // If we use this.code_mirror.on to register a "dragover" handler, we
        // get an empty dataTransfer
        this.code_mirror.on("dragover", function(cm, evt) {
            if (utils.dnd_contain_file(evt)) {
                evt.preventDefault();
            }
        });

        // We want to display a visual indicator that the drop is possible.
        // The dragleave event is fired when we hover a child element (which
        // is often immediately after we got the dragenter), so we keep track
        // of the number of dragenter/dragleave we got, as discussed here :
        // https://stackoverflow.com/q/7110353/116067
        // This doesn't seem to be 100% reliable, so we clear the dropzone
        // class when the cell is rendered as well
        this.code_mirror.on("dragenter", function(cm, evt) {
            if (utils.dnd_contain_file(evt)) {
                that.drag_counter++;
                that.inner_cell.addClass('dropzone');
            }
            evt.preventDefault();
            evt.stopPropagation();
        });

        this.code_mirror.on("dragleave", function(cm, evt) {
            that.drag_counter--;
            if (that.drag_counter <= 0) {
                that.inner_cell.removeClass('dropzone');
            }
            evt.preventDefault();
            evt.stopPropagation();
        });

        this.code_mirror.on("drop", function(cm, evt) {
            that.drag_counter = 0;
            that.inner_cell.removeClass('dropzone');

            var files = evt.dataTransfer.files;
            for (var i = 0; i < files.length; ++i) {
                var file = files[i];
                if (attachment_regex.test(file.type)) {
                    // Prevent the default code_mirror 'drop' event handler
                    // (which inserts the file content) if this is a
                    // recognized media file
                    evt.stopPropagation();
                    evt.preventDefault();
                    that.insert_inline_image_from_blob(file);
                }
            }
        });
    };


    var RawCell = function (options) {
        /**
         * Constructor
         *
         * Parameters:
         *  options: dictionary
         *      Dictionary of keyword arguments.
         *          events: $(Events) instance 
         *          config: ConfigSection instance
         *          keyboard_manager: KeyboardManager instance 
         *          notebook: Notebook instance
         */
        options = options || {};
        var config_default = utils.mergeopt(TextCell, RawCell.options_default);
        this.class_config = new configmod.ConfigWithDefaults(options.config,
                                            config_default, 'RawCell');
        TextCell.apply(this, [$.extend({}, options, {config: options.config})]);
        this.cell_type = 'raw';
    };

    RawCell.options_default = {
        highlight_modes : {
            'diff'         :{'reg':[/^diff/]}
        },
        placeholder : i18n.msg._("Write raw LaTeX or other formats here, for use with nbconvert. " +
            "It will not be rendered in the notebook. " +
            "When passing through nbconvert, a Raw Cell's content is added to the output unmodified."),
    };

    RawCell.prototype = Object.create(TextCell.prototype);

    /** @method bind_events **/
    RawCell.prototype.bind_events = function () {
        TextCell.prototype.bind_events.apply(this);
        var that = this;
        this.element.focusout(function() {
            that.auto_highlight();
            that.render();
        });

        this.code_mirror.on('focus', function() { that.unrender(); });
    };

    /** @method render **/
    RawCell.prototype.render = function () {
        var cont = TextCell.prototype.render.apply(this);
        if (cont){
            var text = this.get_text();
            if (text === "") { text = this.placeholder; }
            this.set_text(text);
            this.element.removeClass('rendered');
            this.auto_highlight();
        }
        return cont;
    };

    var textcell = {
        TextCell: TextCell,
        MarkdownCell: MarkdownCell,
        RawCell: RawCell
    };
    return textcell;
});

// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.
/**
 *
 *
 * @module keyboard
 * @namespace keyboard
 * @class ShortcutManager
 */

define('base/js/keyboard',[
    'jquery',
    'base/js/utils',
    'underscore',
], function($, utils, _) {
    "use strict";


    /**
     * Setup global keycodes and inverse keycodes.
     *
     * See http://unixpapa.com/js/key.html for a complete description. The short of
     * it is that there are different keycode sets. Firefox uses the "Mozilla keycodes"
     * and Webkit/IE use the "IE keycodes". These keycode sets are mostly the same
     * but have minor differences.
     **/

     // These apply to Firefox, (Webkit and IE)
     // This does work **only** on US keyboard.
    var _keycodes = {
        'a': 65, 'b': 66, 'c': 67, 'd': 68, 'e': 69, 'f': 70, 'g': 71, 'h': 72, 'i': 73,
        'j': 74, 'k': 75, 'l': 76, 'm': 77, 'n': 78, 'o': 79, 'p': 80, 'q': 81, 'r': 82,
        's': 83, 't': 84, 'u': 85, 'v': 86, 'w': 87, 'x': 88, 'y': 89, 'z': 90,
        '1 !': 49, '2 @': 50, '3 #': 51, '4 $': 52, '5 %': 53, '6 ^': 54,
        '7 &': 55, '8 *': 56, '9 (': 57, '0 )': 48, 
        '[ {': 219, '] }': 221, '` ~': 192,  ', <': 188, '. >': 190, '/ ?': 191,
        '\\ |': 220, '\' "': 222,
        'numpad0': 96, 'numpad1': 97, 'numpad2': 98, 'numpad3': 99, 'numpad4': 100,
        'numpad5': 101, 'numpad6': 102, 'numpad7': 103, 'numpad8': 104, 'numpad9': 105,
        'multiply': 106, 'add': 107, 'subtract': 109, 'decimal': 110, 'divide': 111,
        'f1': 112, 'f2': 113, 'f3': 114, 'f4': 115, 'f5': 116, 'f6': 117, 'f7': 118,
        'f8': 119, 'f9': 120, 'f10': 121, 'f11': 122, 'f12': 123, 'f13': 124, 'f14': 125, 'f15': 126,
        'backspace': 8, 'tab': 9, 'enter': 13, 'shift': 16, 'ctrl': 17, 'alt': 18,
        'meta': 91, 'capslock': 20, 'esc': 27, 'space': 32, 'pageup': 33, 'pagedown': 34,
        'end': 35, 'home': 36, 'left': 37, 'up': 38, 'right': 39, 'down': 40,
        'insert': 45, 'delete': 46, 'numlock': 144,
    };
    
    // These apply to Firefox and Opera
    var _mozilla_keycodes = {
        '; :': 59, '= +': 61, '- _': 173, 'meta': 224, 'minus':173
    };
    
    // This apply to Webkit and IE
    var _ie_keycodes = {
        '; :': 186, '= +': 187, '- _': 189, 'minus':189
    };
    
    var browser = utils.browser[0];
    var platform = utils.platform;
    
    if (browser === 'Firefox' || browser === 'Opera' || browser === 'Netscape') {
        $.extend(_keycodes, _mozilla_keycodes);
    } else if (browser === 'Safari' || browser === 'Chrome' || browser === 'MSIE') {
        $.extend(_keycodes, _ie_keycodes);
    }

    var keycodes = {};
    var inv_keycodes = {};
    for (var name in _keycodes) {
        var names = name.split(' ');
        if (names.length === 1) {
            var n = names[0];
            keycodes[n] = _keycodes[n];
            inv_keycodes[_keycodes[n]] = n;
        } else {
            var primary = names[0];
            var secondary = names[1];
            keycodes[primary] = _keycodes[name];
            keycodes[secondary] = _keycodes[name];
            inv_keycodes[_keycodes[name]] = primary;
        }
    }

    var normalize_key = function (key) {
        return inv_keycodes[keycodes[key]];
    };

    var normalize_shortcut = function (shortcut) {
        /**
         * @function _normalize_shortcut
         * @private
         * return a dict containing the normalized shortcut and the number of time it should be pressed:
         *
         * Put a shortcut into normalized form:
         * 1. Make lowercase
         * 2. Replace cmd by meta
         * 3. Sort '-' separated modifiers into the order alt-ctrl-meta-shift
         * 4. Normalize keys
         **/
        if (platform === 'MacOS') {
            shortcut = shortcut.toLowerCase().replace('cmdtrl-', 'cmd-');
        } else {
            shortcut = shortcut.toLowerCase().replace('cmdtrl-', 'ctrl-');
        }

        shortcut = shortcut.toLowerCase().replace('cmd', 'meta');
        shortcut = shortcut.replace(/-$/, 'minus');  // catch shortcuts using '-' key
        shortcut = shortcut.replace(/,$/, 'comma');  // catch shortcuts using '-' key
        if(shortcut.indexOf(',') !== -1){
            var sht = shortcut.split(',');
            sht = _.map(sht, normalize_shortcut);
            return shortcut;
        }
        shortcut = shortcut.replace(/comma/g, ',');  // catch shortcuts using '-' key
        var values = shortcut.split("-");
        if (values.length === 1) {
            return normalize_key(values[0]);
        } else {
            var modifiers = values.slice(0,-1);
            var key = normalize_key(values[values.length-1]);
            modifiers.sort();
            return modifiers.join('-') + '-' + key;
        }
    };

    var shortcut_to_event = function (shortcut, type) {
        /**
         * Convert a shortcut (shift-r) to a jQuery Event object
         **/
        type = type || 'keydown';
        shortcut = normalize_shortcut(shortcut);
        shortcut = shortcut.replace(/-$/, 'minus');  // catch shortcuts using '-' key
        var values = shortcut.split("-");
        var modifiers = values.slice(0,-1);
        var key = values[values.length-1];
        var opts = {which: keycodes[key]};
        if (modifiers.indexOf('alt') !== -1) {opts.altKey = true;}
        if (modifiers.indexOf('ctrl') !== -1) {opts.ctrlKey = true;}
        if (modifiers.indexOf('meta') !== -1) {opts.metaKey = true;}
        if (modifiers.indexOf('shift') !== -1) {opts.shiftKey = true;}
        return $.Event(type, opts);
    };

    var only_modifier_event = function(event){
        /**
         * Return `true` if the event only contains modifiers keys.
         * false otherwise
         **/
        var key = inv_keycodes[event.which];
        return ((event.altKey || event.ctrlKey || event.metaKey || event.shiftKey) &&
         (key === 'alt'|| key === 'ctrl'|| key === 'meta'|| key === 'shift'));

    };

    var event_to_shortcut = function (event) {
        /**
         * Convert a jQuery Event object to a normalized shortcut string (shift-r)
         **/
        var shortcut = '';
        var key = inv_keycodes[event.which];
        if (event.altKey && key !== 'alt') {shortcut += 'alt-';}
        if (event.ctrlKey && key !== 'ctrl') {shortcut += 'ctrl-';}
        if (event.metaKey && key !== 'meta') {shortcut += 'meta-';}
        if (event.shiftKey && key !== 'shift') {shortcut += 'shift-';}
        shortcut += key;
        return shortcut;
    };

    // Shortcut manager class

    var ShortcutManager = function (delay, events, actions, env, config, mode) {
        /**
         * A class to deal with keyboard event and shortcut
         *
         * @class ShortcutManager
         * @constructor
         *
         * :config: configobjet on which to call `update(....)` to persist the config.
         * :mode: mode of this shortcut manager where to persist config.
         */
        mode = mode || 'command';
        this._shortcuts = {};
        this._defaults_bindings = [];
        this.delay = delay || 800; // delay in milliseconds
        this.events = events;
        this.actions = actions;
        this.actions.extend_env(env);
        this._queue = [];
        this._cleartimeout = null;
        this._config = config;
        this._mode = mode;
        Object.seal(this);
    };

    ShortcutManager.prototype.clearsoon = function(){
        /**
         * Clear the pending shortcut soon, and cancel previous clearing
         * that might be registered.
         **/
         var that = this;
         clearTimeout(this._cleartimeout);
         this._cleartimeout = setTimeout(function(){that.clearqueue();}, this.delay);
    };


    ShortcutManager.prototype.clearqueue = function(){
        /**
         * clear the pending shortcut sequence now. 
         **/
        this._queue = [];
        clearTimeout(this._cleartimeout);
    };


    var flatten_shorttree = function(tree){
        /**
         * Flatten a tree of shortcut sequences. 
         * use full to iterate over all the key/values of available shortcuts.
         **/
        var dct = {};
        _.forEach(tree, function(value, key) {
            if(typeof(value) === 'string'){
                dct[key] = value;
            } else {
                var ftree=flatten_shorttree(value);
                _.forEach(ftree, function(v2, subkey) {
                    dct[key+','+subkey] = ftree[subkey];
                });
            } 
        });
        return dct;
    };


    ShortcutManager.prototype.get_action_shortcuts = function(name){
      var ftree = flatten_shorttree(this._shortcuts);
      var res = [];
      _.forEach(ftree, function(value, key) {
        if(value === name){
          res.push(key);
        }
      });
      return res;
    };
    
    ShortcutManager.prototype.get_action_shortcut = function(name){
      var matches = this.get_action_shortcuts(name);
      if (matches.length > 0) {
          return matches[0];
      }
      return undefined;
    };

    ShortcutManager.prototype.help = function () {
        var that = this;
        var help = [];
        var ftree = flatten_shorttree(this._shortcuts);
        _.forEach(ftree, function(value, key) {
            var action = that.actions.get(value);
            var help_string = action.help||'== no help ==';
            var help_index = action.help_index;
            if (help_string) {
                var shortstring = (action.shortstring||key);
                help.push({
                    shortcut: shortstring,
                    help: help_string,
                    help_index: help_index}
                );
            }
        });
        help.sort(function (a, b) {
            if (a.help_index === b.help_index) {
                if (a.shortcut === b.shortcut) {
                    return 0;
                }
                if (a.shortcut > b.shortcut) {
                    return 1;
                }
                return -1;
            }
            if (a.help_index === undefined || a.help_index > b.help_index){
                return 1;
            }
            return -1;
        });
        return help;
    };

    ShortcutManager.prototype.clear_shortcuts = function () {
        this._shortcuts = {};
    };

    ShortcutManager.prototype.get_shortcut = function (shortcut){
        /**
         * return a node of the shortcut tree which an action name (string) if leaf,
         * and an object with `object.subtree===true`
         **/
        if(typeof(shortcut) === 'string'){
            shortcut = shortcut.split(',');
        }
        
        return this._get_leaf(shortcut, this._shortcuts);
    };


    ShortcutManager.prototype._get_leaf = function(shortcut_array, tree){
        /**
         * @private
         * find a leaf/node in a subtree of the keyboard shortcut
         *
         **/
        if(shortcut_array.length === 1){
            return tree[shortcut_array[0]];
        } else if(  typeof(tree[shortcut_array[0]]) !== 'string'){
            return this._get_leaf(shortcut_array.slice(1), tree[shortcut_array[0]]);
        }
        return null;
    };

    ShortcutManager.prototype.set_shortcut = function( shortcut, action_name){
        if( typeof(action_name) !== 'string'){throw new Error('action is not a string', action_name);}
        if( typeof(shortcut) === 'string'){
            shortcut = shortcut.split(',');
        }
        return this._set_leaf(shortcut, action_name, this._shortcuts);
    };

    ShortcutManager.prototype._is_leaf = function(shortcut_array, tree){
        if(shortcut_array.length === 1){
           return(typeof(tree[shortcut_array[0]]) === 'string');
        } else {
            var subtree = tree[shortcut_array[0]];
            return this._is_leaf(shortcut_array.slice(1), subtree );
        }
    };

    ShortcutManager.prototype._remove_leaf = function(shortcut_array, tree, allow_node){
        if(shortcut_array.length === 1){
            var current_node = tree[shortcut_array[0]];
            if(typeof(current_node) === 'string'){
                delete tree[shortcut_array[0]];
            } else {
                throw new Error('try to delete non-leaf');
            }
        } else {
            this._remove_leaf(shortcut_array.slice(1),  tree[shortcut_array[0]], allow_node);
            if(_.keys(tree[shortcut_array[0]]).length === 0){
                delete tree[shortcut_array[0]];
            }
        }
    };

    ShortcutManager.prototype.is_available_shortcut = function(shortcut){
        var shortcut_array = shortcut.split(',');
        return this._is_available_shortcut(shortcut_array, this._shortcuts);
    };

    ShortcutManager.prototype._is_available_shortcut = function(shortcut_array, tree){
        var current_node = tree[shortcut_array[0]];
        if(!shortcut_array[0]){
            return false;
        }
        if(current_node === undefined){
            return true;
        } else {
            if (typeof(current_node) === 'string'){
                return false;
            } else { // assume is a sub-shortcut tree
                return this._is_available_shortcut(shortcut_array.slice(1), current_node);
            }
        }
    };

    ShortcutManager.prototype._set_leaf = function(shortcut_array, action_name, tree){
        var current_node = tree[shortcut_array[0]];

        if(shortcut_array.length === 1){
            if(current_node !== undefined && typeof(current_node) !== 'string'){
                console.warn('[warning], you are overriting a long shortcut with a shorter one');
            }
            tree[shortcut_array[0]] = action_name;
            return true;
        } else {
            if(typeof(current_node) === 'string'){
                console.warn('you are trying to set a shortcut that will be shadowed'+
                             'by a more specific one. Aborting for :', action_name, 'the following '+
                             'will take precedence', current_node);
                return false;
            } else {
                tree[shortcut_array[0]] = tree[shortcut_array[0]]||{};
            }
            this._set_leaf(shortcut_array.slice(1), action_name, tree[shortcut_array[0]]);
            return true;
        }
    };

    ShortcutManager.prototype._persist_shortcut = function(shortcut, data) {
        /**
         * add a shortcut to this manager and persist it to the config file. 
         **/ 
        shortcut = shortcut.toLowerCase();
        this.add_shortcut(shortcut, data);
        var patch = {keys:{}};
        patch.keys[this._mode] = {bind:{}};
        patch.keys[this._mode].bind[shortcut] = data;
        this._config.update(patch);
    };

    ShortcutManager.prototype._persist_remove_shortcut = function(shortcut){
        /**
         * Remove a shortcut from this manager and persist its removal.
         */

        shortcut = shortcut.toLowerCase();
        this.remove_shortcut(shortcut);
        var patch = {keys: {}};
        patch.keys[this._mode] = {bind:{}};
        patch.keys[this._mode].bind[shortcut] = null;
        this._config.update(patch);

        // if the shortcut we unbind is a default one, we add it to the list of
        // things to unbind at startup
        if( this._defaults_bindings.indexOf(shortcut) !== -1 ){
            var cnf = (this._config.data.keys || {})[this._mode];
            var unbind_array = cnf.unbind || [];


            // unless it's already there (like if we have remapped a default
            // shortcut to another command): unbind it)
            if(unbind_array.indexOf(shortcut) === -1){
                var _parray = unbind_array.concat(shortcut);
                var unbind_patch = {keys:{}};
                unbind_patch.keys[this._mode] = {unbind:_parray};
                console.warn('up:', unbind_patch);
                this._config.update(unbind_patch);
            }
        }
    };


    ShortcutManager.prototype.add_shortcut = function (shortcut, data, suppress_help_update) {
        /**
         * Add an action to be handled by shortcut manager. 
         * 
         * - `shortcut` should be a `Shortcut Sequence` of the for `Ctrl-Alt-C,Meta-X`...
         * - `data` could be an `action name`, an `action` or a `function`.
         *   if a `function` is passed it will be converted to an anonymous `action`. 
         *
         **/
        var action_name = this.actions.get_name(data);
        if (! action_name){
          if (typeof data === 'string') {
            // If we have an action name, allow it to be bound anyway.
            console.log("Unknown action '" + data + "' for shortcut " + shortcut
                + "; it may be defined by an extension which is not yet loaded.");
            action_name = data;
          } else {
            throw new Error('does not know how to deal with : ' + data);
          }
        }
        var _shortcut = normalize_shortcut(shortcut);
        this.set_shortcut(_shortcut, action_name);

        if (!suppress_help_update) {
            // update the keyboard shortcuts notebook help
            this.events.trigger('rebuild.QuickHelp');
        }
    };

    ShortcutManager.prototype.add_shortcuts = function (data) {
        /**
         * Convenient methods to call `add_shortcut(key, value)` on several items
         * 
         *  data : Dict of the form {key:value, ...}
         **/
        var that = this;
        _.forEach(data, function(value, key) {
            that.add_shortcut(key, value, true);
        });
        // update the keyboard shortcuts notebook help
        this.events.trigger('rebuild.QuickHelp');
    };

    ShortcutManager.prototype._add_default_shortcuts = function (data) {
        /**
         * same as add_shortcuts, but register them as "default" that if persistently unbound, with
         * persist_remove_shortcut, need to be on the "unbind" list. 
         **/
        this._defaults_bindings = this._defaults_bindings.concat(Object.keys(data));
        this.add_shortcuts(data);

    };

    ShortcutManager.prototype.remove_shortcut = function (shortcut, suppress_help_update) {
        /**
         * Remove the binding of shortcut `shortcut` with its action.
         * throw an error if trying to remove a non-exiting shortcut
         **/
        if(!shortcut){
            console.warn('trying to remove empty shortcut');
            return;
        }
        shortcut = normalize_shortcut(shortcut);
        if( typeof(shortcut) === 'string'){
            shortcut = shortcut.split(',');
        }
        /*
         *  The shortcut error should be explicit here, because it will be
         *  seen by users.
         */
        try {
          this._remove_leaf(shortcut, this._shortcuts);
          if (!suppress_help_update) {
            // update the keyboard shortcuts notebook help
            this.events.trigger('rebuild.QuickHelp');
          }
        } catch (ex) {
          throw new Error('trying to remove a non-existent shortcut', shortcut, typeof shortcut);
        }
    };



    ShortcutManager.prototype.call_handler = function (event) {
        /**
         * Call the corresponding shortcut handler for a keyboard event
         * @method call_handler
         * @return {Boolean} `true|false`, `false` if no handler was found, otherwise the  value return by the handler. 
         * @param event {event}
         *
         * given an event, call the corresponding shortcut. 
         * return false is event wan handled, true otherwise 
         * in any case returning false stop event propagation
         **/


        this.clearsoon();
        if(only_modifier_event(event)){
            return true;
        }
        var shortcut = event_to_shortcut(event);
        this._queue.push(shortcut);
        var action_name = this.get_shortcut(this._queue);

        if (typeof(action_name) === 'undefined'|| action_name === null){
            this.clearqueue();
            return true;
        }
        
        if (this.actions.exists(action_name)) {
            event.preventDefault();
            this.clearqueue();
            return this.actions.call(action_name, event);
        }

        return false;
    };


    ShortcutManager.prototype.handles = function (event) {
        var shortcut = event_to_shortcut(event);
        var action_name = this.get_shortcut(this._queue.concat(shortcut));
        return (typeof(action_name) !== 'undefined');
    };

    return {
        keycodes : keycodes,
        inv_keycodes : inv_keycodes,
        ShortcutManager : ShortcutManager,
        normalize_key : normalize_key,
        normalize_shortcut : normalize_shortcut,
        shortcut_to_event : shortcut_to_event,
        event_to_shortcut : event_to_shortcut,
    };
});

// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.

define('notebook/js/outputarea',[
    'jquery',
    'base/js/utils',
    'base/js/i18n',
    'base/js/security',
    'base/js/keyboard',
    'base/js/markdown',
    'services/config',
], function($, utils, i18n, security, keyboard, markdown, configmod) {
    "use strict";

    /**
     * @class OutputArea
     *
     * @constructor
     */

    var OutputArea = function (options) {
        this.config = options.config;
        this.selector = options.selector;
        this.events = options.events;
        this.keyboard_manager = options.keyboard_manager;
        this.wrapper = $(options.selector);
        this.outputs = [];
        this.collapsed = false;
        this.scrolled = false;
        this.scroll_state = 'auto';
        this.trusted = true;
        this.clear_queued = null;
        if (options.prompt_area === undefined) {
            this.prompt_area = true;
        } else {
            this.prompt_area = options.prompt_area;
        }
        this._display_id_targets = {};
        this.create_elements();
        this.style();
        this.bind_events();
        this.class_config = new configmod.ConfigWithDefaults(this.config,
                                        OutputArea.config_defaults, 'OutputArea');

        this.handle_appended = utils.throttle(this.handle_appended.bind(this));
    };

    OutputArea.config_defaults = {
        stream_chunk_size: 8192, // chunk size for stream output
    };

    /**
     * Class prototypes
     **/

    OutputArea.prototype.create_elements = function () {
        var element = this.element = $("<div/>");
        // wrap element in safe trigger,
        // so that errors (e.g. in widget extensions) are logged instead of
        // breaking everything.
        this.element._original_trigger = this.element.trigger;
        this.element.trigger = function (name, data) {
            try {
                this._original_trigger.apply(this, arguments);
            } catch (e) {
                console.error("Exception in event handler for " + name, e, arguments);
            }
        }
        this.collapse_button = $("<div/>");
        this.prompt_overlay = $("<div/>");
        this.wrapper.append(this.prompt_overlay);
        this.wrapper.append(this.element);
        this.wrapper.append(this.collapse_button);
    };


    OutputArea.prototype.style = function () {
        this.collapse_button.hide();
        if (!this.prompt_area) {
            this.prompt_overlay.hide();
        }

        this.wrapper.addClass('output_wrapper');
        this.element.addClass('output');

        this.collapse_button.addClass("btn btn-default output_collapsed");
        this.collapse_button.attr('title', i18n.msg._('click to expand output'));
        this.collapse_button.text('. . .');

        this.prompt_overlay.addClass('out_prompt_overlay prompt');
        this.prompt_overlay.attr('title', i18n.msg._('click to expand output; double click to hide output'));

        this.expand();
    };

    /**
     * Should the OutputArea scroll?
     * Returns whether the height (in lines) exceeds the current threshold.
     * Threshold will be OutputArea.minimum_scroll_threshold if scroll_state=true (manually requested)
     * or OutputArea.auto_scroll_threshold if scroll_state='auto'.
     * This will always return false if scroll_state=false (scroll disabled).
     *
     */
    OutputArea.prototype._should_scroll = function () {
        var threshold;
        if (this.scroll_state === false) {
            return false;
        } else if (this.scroll_state === true) {
            threshold = OutputArea.minimum_scroll_threshold;
        } else {
            threshold = OutputArea.auto_scroll_threshold;
        }
        if (threshold <=0) {
            return false;
        }
        // line-height from https://stackoverflow.com/questions/1185151
        var fontSize = this.element.css('font-size') || '14px';
        var lineHeight = Math.floor((parseFloat(fontSize.replace('px','')) || 14) * 1.3);
        return (this.element.height() > threshold * lineHeight);
    };


    OutputArea.prototype.bind_events = function () {
        var that = this;
        this.prompt_overlay.dblclick(function () { that.toggle_output(); });
        this.prompt_overlay.click(function () { that.toggle_scroll(); });

        this.element.on('resizeOutput', function () {
            // maybe scroll output,
            // if it's grown large enough and hasn't already been scrolled.
            if (!that.scrolled && that._should_scroll()) {
                that.scroll_area();
            }
        });
        this.collapse_button.click(function () {
            that.expand();
        });
    };


    OutputArea.prototype.collapse = function () {
        if (!this.collapsed) {
            this.element.hide();
            this.prompt_overlay.hide();
            if (this.element.html()){
                this.collapse_button.show();
            }
            this.collapsed = true;
            // collapsing output clears scroll state
            this.scroll_state = 'auto';
        }
    };


    OutputArea.prototype.expand = function () {
        if (this.collapsed) {
            this.collapse_button.hide();
            this.element.show();
            if (this.prompt_area) {
                this.prompt_overlay.show();
            }
            this.collapsed = false;
            this.scroll_if_long();
        }
    };


    OutputArea.prototype.toggle_output = function () {
        if (this.collapsed) {
            this.expand();
        } else {
            this.collapse();
        }
    };


    OutputArea.prototype.scroll_area = function () {
        this.element.addClass('output_scroll');
        this.prompt_overlay.attr('title', i18n.msg._('click to unscroll output; double click to hide'));
        this.scrolled = true;
    };


    OutputArea.prototype.unscroll_area = function () {
        this.element.removeClass('output_scroll');
        this.prompt_overlay.attr('title', i18n.msg._('click to scroll output; double click to hide'));
        this.scrolled = false;
    };

    /**
     * Scroll OutputArea if height exceeds a threshold.
     *
     * Threshold is OutputArea.minimum_scroll_threshold if scroll_state = true,
     * OutputArea.auto_scroll_threshold if scroll_state='auto'.
     *
     **/
    OutputArea.prototype.scroll_if_long = function () {
        var should_scroll = this._should_scroll();
        if (!this.scrolled && should_scroll) {
            // only allow scrolling long-enough output
            this.scroll_area();
        } else if (this.scrolled && !should_scroll) {
            // scrolled and shouldn't be
            this.unscroll_area();
        }
    };


    OutputArea.prototype.toggle_scroll = function () {
        if (this.scroll_state == 'auto') {
            this.scroll_state = !this.scrolled;
        } else {
            this.scroll_state = !this.scroll_state;
        }
        if (this.scrolled) {
            this.unscroll_area();
        } else {
            // only allow scrolling long-enough output
            this.scroll_if_long();
        }
    };


    // typeset with MathJax if MathJax is available
    OutputArea.prototype.typeset = function () {
        utils.typeset(this.element);
    };


    OutputArea.prototype.handle_output = function (msg) {
        var json = {};
        var msg_type = json.output_type = msg.header.msg_type;
        var content = msg.content;
        switch(msg_type) {
        case "stream" :
            json.text = content.text;
            json.name = content.name;
            break;
        case "execute_result":
            json.execution_count = content.execution_count;
        case "update_display_data":
        case "display_data":
            json.transient = content.transient;
            json.data = content.data;
            json.metadata = content.metadata;
            break;
        case "error":
            json.ename = content.ename;
            json.evalue = content.evalue;
            json.traceback = content.traceback;
            break;
        default:
            console.error("unhandled output message", msg);
            return;
        }
        this.append_output(json);
    };

    // Declare mime type as constants
    var MIME_JAVASCRIPT = 'application/javascript';
    var MIME_HTML = 'text/html';
    var MIME_MARKDOWN = 'text/markdown';
    var MIME_LATEX = 'text/latex';
    var MIME_SVG = 'image/svg+xml';
    var MIME_PNG = 'image/png';
    var MIME_JPEG = 'image/jpeg';
    var MIME_GIF = 'image/gif';
    var MIME_PDF = 'application/pdf';
    var MIME_TEXT = 'text/plain';


    OutputArea.output_types = [
        MIME_JAVASCRIPT,
        MIME_HTML,
        MIME_MARKDOWN,
        MIME_LATEX,
        MIME_SVG,
        MIME_PNG,
        MIME_JPEG,
        MIME_GIF,
        MIME_PDF,
        MIME_TEXT,
    ];

    OutputArea.prototype.validate_mimebundle = function (bundle) {
        /** scrub invalid outputs */
        if (typeof bundle.data !== 'object') {
            console.warn("mimebundle missing data", bundle);
            bundle.data = {};
        }
        if (typeof bundle.metadata !== 'object') {
            console.warn("mimebundle missing metadata", bundle);
            bundle.metadata = {};
        }
        var data = bundle.data;
        $.map(OutputArea.output_types, function(key){
            if ((key.indexOf('application/') === -1 || key.indexOf('json') === -1) &&
                data[key] !== undefined &&
                typeof data[key] !== 'string'
            ) {
                console.log("Invalid type for " + key, data[key]);
                delete data[key];
            }
        });
        return bundle;
    };

    OutputArea.prototype.append_output = function (json) {
        this.expand();

        if (this.clear_queued) {
            this.clear_output(false);
            this._needs_height_reset = true;
        }

        var record_output = true;
        switch(json.output_type) {
            case 'update_display_data':
                record_output = false;
                json = this.validate_mimebundle(json);
                this.update_display_data(json);
                return;
            case 'execute_result':
                json = this.validate_mimebundle(json);
                this.append_execute_result(json);
                break;
            case 'stream':
                // append_stream might have merged the output with earlier stream output
                record_output = this.append_stream(json);
                break;
            case 'error':
                this.append_error(json);
                break;
            case 'display_data':
                // append handled below
                json = this.validate_mimebundle(json);
                break;
            default:
                console.log("unrecognized output type: " + json.output_type);
                this.append_unrecognized(json);
        }

        if (json.output_type === 'display_data') {
            var that = this;
            this.append_display_data(json, this.handle_appended);
        } else {
            this.handle_appended();
        }

        if (record_output) {
            this.outputs.push(json);
        }

        this.events.trigger('output_added.OutputArea', {
            output: json,
            output_area: this,
        });
    };

    OutputArea.prototype.handle_appended = function () {
        if (this._needs_height_reset) {
            this.element.height('');
            this._needs_height_reset = false;
        }

        this.element.trigger('resizeOutput', {output_area: this});
    };

    OutputArea.prototype.create_output_area = function () {
        var oa = $("<div/>").addClass("output_area");
        if (this.prompt_area) {
            oa.append($('<div/>').addClass('run_this_cell'));
            oa.append($('<div/>').addClass('prompt'));
        }
        return oa;
    };


    function _get_metadata_key(metadata, key, mime) {
        var mime_md = metadata[mime];
        // mime-specific higher priority
        if (mime_md && mime_md[key] !== undefined) {
            return mime_md[key];
        }
        // fallback on global
        return metadata[key];
    }

    OutputArea.prototype.create_output_subarea = function(md, classes, mime) {
        var subarea = $('<div/>').addClass('output_subarea').addClass(classes);
        // Unforce RTL
        subarea.attr("dir","auto");
        if (_get_metadata_key(md, 'isolated', mime)) {
            // Create an iframe to isolate the subarea from the rest of the
            // document
            var iframe = $('<iframe/>').addClass('box-flex1');
            iframe.css({'height':1, 'width':'100%', 'display':'block'});
            iframe.attr('frameborder', 0);
            iframe.attr('scrolling', 'auto');

            // Once the iframe is loaded, the subarea is dynamically inserted
            iframe.on('load', function() {
                // Workaround needed by Firefox, to properly render svg inside
                // iframes, see https://stackoverflow.com/questions/10177190/
                // svg-dynamically-added-to-iframe-does-not-render-correctly
                this.contentDocument.open();

                // Insert the subarea into the iframe
                // We must directly write the html. When using Jquery's append
                // method, javascript is evaluated in the parent document and
                // not in the iframe document.  At this point, subarea doesn't
                // contain any user content.
                this.contentDocument.write(subarea.html());

                this.contentDocument.close();

                var body = this.contentDocument.body;
                // Adjust the iframe height automatically
                iframe.height(body.scrollHeight + 'px');
            });

            // Elements should be appended to the inner subarea and not to the
            // iframe
            iframe.append = function(that) {
                subarea.append(that);
            };

            return iframe;
        } else {
            return subarea;
        }
    };


    OutputArea.prototype._append_javascript_error = function (err, element) {
        /**
         * display a message when a javascript error occurs in display output
         */
        var msg = i18n.msg._("Javascript error adding output!");
        if ( element === undefined ) return;
        element
            .append($('<div/>').text(msg).addClass('js-error'))
            .append($('<div/>').text(err.toString()).addClass('js-error'))
            .append($('<div/>').text(i18n.msg._('See your browser Javascript console for more details.')).addClass('js-error'));
    };

    OutputArea.prototype._safe_append = function (toinsert, toreplace) {
        /**
         * safely append an item to the document
         * this is an object created by user code,
         * and may have errors, which should not be raised
         * under any circumstances.
         */
        try {
            if (toreplace) {
                toreplace.replaceWith(toinsert);
            } else {
                this.element.append(toinsert);
            }
        } catch(err) {
            console.error(err);
            // Create an actual output_area and output_subarea, which creates
            // the prompt area and the proper indentation.
            toinsert = this.create_output_area();
            var subarea = $('<div/>').addClass('output_subarea');
            // Unforce RTL
            subarea.attr("dir","auto");
            toinsert.append(subarea);
            this._append_javascript_error(err, subarea);
            this.element.append(toinsert);
        }

        // Notify others of changes.
        this.element.trigger('changed', {output_area: this});
    };

    OutputArea.output_prompt_classical = function(prompt_value) {
        return $('<bdi>').text(i18n.msg.sprintf(i18n.msg._('Out[%s]:'),prompt_value));
    };

    OutputArea.output_prompt_function = OutputArea.output_prompt_classical;

    OutputArea.prototype.append_execute_result = function (json) {
        var n = json.execution_count || ' ';
        var toinsert = this.create_output_area();
        this._record_display_id(json, toinsert);
        if (this.prompt_area) {
            toinsert.find('div.prompt')
                    .addClass('output_prompt')
                    .empty()
                    .append(OutputArea.output_prompt_function(n));
        }
        var inserted = this.append_mime_type(json, toinsert);
        if (inserted) {
            inserted.addClass('output_result');
        }
        this._safe_append(toinsert);
        // If we just output latex, typeset it.
        if ((json.data[MIME_LATEX] !== undefined) ||
            (json.data[MIME_HTML] !== undefined) ||
            (json.data[MIME_MARKDOWN] !== undefined)) {
            this.typeset();
        }
    };


    OutputArea.prototype.append_error = function (json) {
        var ename = json.ename;
        var evalue = json.evalue;
        var tb = json.traceback;
        var s = '';
        if (tb !== undefined && tb.length > 0) {
            var len = tb.length;
            for (var i=0; i<len; i++) {
                s = s + tb[i] + '\n';
            }
            s = s + '\n';
        } else if (ename !== undefined && ename.length > 0 && evalue !== undefined && evalue.length > 0) {
            // If traceback is empty, and we have ename and evalue entries, concatenate the two to display
            s = ename + ': ' + evalue;
        }
        if (s.length > 0) {
            var toinsert = this.create_output_area();
            var append_text = OutputArea.append_map[MIME_TEXT];
            if (append_text) {
                append_text.apply(this, [s, {}, toinsert]).addClass('output_error');
            }
            this._safe_append(toinsert);
        }
    };


    OutputArea.prototype.append_stream = function (json) {
        var text = json.text;
        if (typeof text !== 'string') {
            console.error("Stream output is invalid (missing text)", json);
            return false;
        }
        var subclass = "output_"+json.name;

        if (this.outputs.length > 0){
            // have at least one output to consider
            var last = this.outputs[this.outputs.length-1];
            if (last.output_type == 'stream' && json.name == last.name){
                if (last.text.length > this.class_config.get_sync('stream_chunk_size')) {
                    // don't keep extending long blocks
                    var last_newline_idx = last.text.lastIndexOf('\n');
                    // if the last stream output doesn't end on a newline,
                    // split on last newline and take the tail with the new output
                    if (last_newline_idx !== -1 && last_newline_idx !== last.text.length - 1) {
                        // truncate last.text to its last newline,
                        // and take the tail with the new output.
                        var tail = last.text.slice(last_newline_idx + 1);
                        last.text = last.text.slice(0, last_newline_idx + 1);
                        // we changed last's content, so we have to re-render it
                        text = json.text = tail + json.text;
                        var pre = this.element.find('div.'+subclass).last().find('pre');
                        var html = utils.fixConsole(last.text);
                        html = utils.autoLinkUrls(html);
                        pre.html(html);
                    }
                } else {
                    // latest output was in the same stream,
                    // so append to it instead of making a new output.
                    // escape ANSI & HTML specials:
                    last.text = utils.fixOverwrittenChars(last.text + json.text);
                    var pre = this.element.find('div.'+subclass).last().find('pre');
                    var html = utils.fixConsole(last.text);
                    html = utils.autoLinkUrls(html);
                    // The only user content injected with this HTML call is
                    // escaped by the fixConsole() method.
                    pre.html(html);
                    // return false signals that we merged this output with the previous one,
                    // and the new output shouldn't be recorded.
                    return false;
                }
            }
        }

        if (!text.replace("\r", "")) {
            // text is nothing (empty string, \r, etc.)
            // so don't append any elements, which might add undesirable space
            // return true to indicate the output should be recorded.
            return true;
        }

        // If we got here, attach a new div
        var toinsert = this.create_output_area();
        var append_text = OutputArea.append_map[MIME_TEXT];
        if (append_text) {
            append_text.apply(this, [text, {}, toinsert]).addClass("output_stream " + subclass);
        }
        this._safe_append(toinsert);
        return true;
    };


    OutputArea.prototype.append_unrecognized = function (json) {
        var that = this;
        var toinsert = this.create_output_area();
        var subarea = $('<div/>').addClass('output_subarea output_unrecognized');
        // Unforce RTL
        subarea.attr("dir","auto");
        toinsert.append(subarea);
        subarea.append(
            $("<a>")
                .attr("href", "#")
                .text(i18n.msg.sprintf(i18n.msg._("Unrecognized output: %s"),json.output_type))
                .click(function () {
                    that.events.trigger('unrecognized_output.OutputArea', {output: json});
                })
        );
        this._safe_append(toinsert);
    };


    OutputArea.prototype.update_display_data = function (json, handle_inserted) {
        var oa = this;
        var targets;
        var display_id = (json.transient || {}).display_id;
        if (!display_id) {
            console.warn("Handling update_display with no display_id", json);
            return;
        }
        targets = this._display_id_targets[display_id];
        if (!targets) {
            console.warn("No targets for display_id", display_id, json);
            return;
        }
        // we've seen it before, update output data
        targets.map(function (target) {
            oa.outputs[target.index].data = json.data;
            oa.outputs[target.index].metadata = json.metadata;
            var toinsert = oa.create_output_area();
            if (oa.append_mime_type(json, toinsert, handle_inserted)) {
                oa._safe_append(toinsert, target.element);
            }
            target.element = toinsert;
        });

        // If we just output something that could contain latex, typeset it.
        if ((json.data[MIME_LATEX] !== undefined) ||
            (json.data[MIME_HTML] !== undefined) ||
            (json.data[MIME_MARKDOWN] !== undefined)) {
            this.typeset();
        }
        this.events.trigger('output_updated.OutputArea', {
            output: json,
            output_area: this,
        });
    };

    OutputArea.prototype._record_display_id = function (json, element) {
        // record display_id of a display_data / execute_result
        var display_id = (json.transient || {}).display_id;
        if (!display_id) return;
        // it has a display_id;
        var targets = this._display_id_targets[display_id];
        if (!targets) {
            targets = this._display_id_targets[display_id] = [];
        }
        targets.push({
            index: this.outputs.length,
            element: element,
        });
    };

    OutputArea.prototype.append_display_data = function (json, handle_inserted) {
        var toinsert = this.create_output_area();
        this._record_display_id(json, toinsert);
        if (this.append_mime_type(json, toinsert, handle_inserted)) {
            this._safe_append(toinsert);
            // If we just output latex, typeset it.
            if ((json.data[MIME_LATEX] !== undefined) ||
                (json.data[MIME_HTML] !== undefined) ||
                (json.data[MIME_MARKDOWN] !== undefined)) {
                this.typeset();
            }
        }
    };

    OutputArea.safe_outputs = {};
    OutputArea.safe_outputs[MIME_TEXT] = true;
    OutputArea.safe_outputs[MIME_LATEX] = true;
    OutputArea.safe_outputs[MIME_PNG] = true;
    OutputArea.safe_outputs[MIME_JPEG] = true;
    OutputArea.safe_outputs[MIME_GIF] = true;

    OutputArea.prototype.append_mime_type = function (json, element, handle_inserted) {
        for (var i=0; i < OutputArea.display_order.length; i++) {
            var type = OutputArea.display_order[i];
            var append = OutputArea.append_map[type];
            if ((json.data[type] !== undefined) && append) {
                var md = json.metadata || {};
                var value = json.data[type];
                var toinsert;

                try {
                    if (!this.trusted && !OutputArea.safe_outputs[type]) {
                        // not trusted, sanitize HTML
                        if (type===MIME_HTML || type==='text/svg') {
                            var parsed = $(security.sanitize_html_and_parse(value));
                            toinsert = append.apply(this, [parsed, md, element, handle_inserted]);
                        } else {
                            // don't display if we don't know how to sanitize it
                            console.log("Ignoring untrusted " + type + " output.");
                            continue;
                        }
                    } else {
                        toinsert = append.apply(this, [value, md, element, handle_inserted]);
                    }
                } catch (e) {
                    console.error('Failed to render mimetype "' + type + '" with: ', e);
                    continue;
                }

                // Since only the png and jpeg mime types call the inserted
                // callback, if the mime type is something other we must call the
                // inserted callback only when the element is actually inserted
                // into the DOM.  Use a timeout of 0 to do this.
                if ([MIME_PNG, MIME_JPEG, MIME_GIF].indexOf(type) < 0 && handle_inserted !== undefined) {
                    setTimeout(handle_inserted, 0);
                }
                this.events.trigger('output_appended.OutputArea', [type, value, md, toinsert]);
                return toinsert;
            }
        }

        return null;
    };


    var append_html = function (html, md, element) {
        var type = MIME_HTML;
        var toinsert = this.create_output_subarea(md, "output_html rendered_html", type);
        this.keyboard_manager.register_events(toinsert);
        toinsert.append(html);
        dblclick_to_reset_size(toinsert.find('img'));
        element.append(toinsert);
        return toinsert;
    };


    var append_markdown = function(text, md, element) {
        var type = MIME_MARKDOWN;
        var toinsert = this.create_output_subarea(md, "output_markdown rendered_html", type);
        markdown.render(text, {
            with_math: true,
            clean_tables: true
        }, function (err, html) {
            toinsert.append(html);
        });
        dblclick_to_reset_size(toinsert.find('img'));
        element.append(toinsert);
        return toinsert;
    };


    var append_javascript = function (js, md, element) {
        /**
         * We just eval the JS code, element appears in the local scope.
         */
        var type = MIME_JAVASCRIPT;
        var toinsert = this.create_output_subarea(md, "output_javascript rendered_html", type);
        this.keyboard_manager.register_events(toinsert);
        element.append(toinsert);

        // Fix for ipython/issues/5293, make sure `element` is the area which
        // output can be inserted into at the time of JS execution.
        element = toinsert;
        try {
            eval(js);
        } catch(err) {
            console.log(err);
            this._append_javascript_error(err, toinsert);
        }
        return toinsert;
    };


    var append_text = function (data, md, element) {
        var type = MIME_TEXT;
        var toinsert = this.create_output_subarea(md, "output_text", type);
        data = utils.fixOverwrittenChars(data);
        // escape ANSI & HTML specials in plaintext:
        data = utils.fixConsole(data);
        data = utils.autoLinkUrls(data);
        // The only user content injected with this HTML call is
        // escaped by the fixConsole() method.
        toinsert.append($("<pre/>").html(data));
        element.append(toinsert);
        return toinsert;
    };


    var append_svg = function (svg_html, md, element) {
        var type = MIME_SVG;
        var toinsert = this.create_output_subarea(md, "output_svg", type);

        // Get the svg element from within the HTML.
        // One svg is supposed, but could embed other nested svgs
        var svg = $($('<div \>').html(svg_html).find('svg')[0]);
        var svg_area = $('<div />');
        var width = svg.attr('width');
        var height = svg.attr('height');
        svg
            .width('100%')
            .height('100%');
        svg_area
            .width(width)
            .height(height);

        svg_area.append(svg);
        toinsert.append(svg_area);
        element.append(toinsert);

        return toinsert;
    };

    function dblclick_to_reset_size (img) {
        /**
         * Double-click on an image toggles confinement to notebook width
         *
         * img: jQuery element
         */

        img.dblclick(function () {
            // dblclick toggles *raw* size, disabling max-width confinement.
            if (img.hasClass('unconfined')) {
                img.removeClass('unconfined');
            } else {
                img.addClass('unconfined');
            }
        });
    }

    var set_width_height = function (img, md, mime) {
        /**
         * set width and height of an img element from metadata
         */
        var height = _get_metadata_key(md, 'height', mime);
        if (height !== undefined) img.attr('height', height);
        var width = _get_metadata_key(md, 'width', mime);
        if (width !== undefined) img.attr('width', width);
        if (_get_metadata_key(md, 'unconfined', mime)) {
            img.addClass('unconfined');
        }
    };

    OutputArea.prototype._append_img = function (src_type, md, element, handle_inserted, MIME, type_string) {
        var type = MIME;
        var toinsert = this.create_output_subarea(md, 'output_' + type_string, type);
        var img = $("<img/>");
        if (handle_inserted !== undefined) {
            img.on('load', function(){
                handle_inserted(img);
            });
        }
        img[0].src = 'data:image/' + type_string + ';base64,'+ src_type;
        set_width_height(img, md, type);
        dblclick_to_reset_size(img);
        toinsert.append(img);
        element.append(toinsert);
        return toinsert;
    };

    var append_png = function (png, md, element, handle_inserted) {
        return this._append_img(png, md, element, handle_inserted, MIME_PNG, 'png');
    };

    var append_jpeg = function (jpeg, md, element, handle_inserted) {
        return this._append_img(jpeg, md, element, handle_inserted, MIME_JPEG, 'jpeg');
    };

    var append_gif = function (gif, md, element, handle_inserted) {
        return this._append_img(gif, md, element, handle_inserted, MIME_GIF, 'gif');
    };

    var append_pdf = function (pdf, md, element) {
        var type = MIME_PDF;
        var toinsert = this.create_output_subarea(md, "output_pdf", type);
        var a = $('<a/>').attr('href', 'data:application/pdf;base64,'+pdf);
        a.attr('target', '_blank');
        a.text('View PDF');
        toinsert.append(a);
        element.append(toinsert);
        return toinsert;
     };

    var append_latex = function (latex, md, element) {
        /**
         * This method cannot do the typesetting because the latex first has to
         * be on the page.
         */
        var type = MIME_LATEX;
        var toinsert = this.create_output_subarea(md, "output_latex", type);
        toinsert.text(latex);
        element.append(toinsert);
        return toinsert;
    };

    OutputArea.prototype.append_raw_input = function (msg) {
        var that = this;
        this.expand();
        var content = msg.content;
        var area = this.create_output_area();

        // disable any other raw_inputs, if they are left around
        $("div.output_subarea.raw_input_container").remove();

        var input_type = content.password ? 'password' : 'text';

        area.append(
            $("<div/>")
            .addClass("box-flex1 output_subarea raw_input_container")
            .append(
                $("<pre/>")
                .addClass("raw_input_prompt")
                .html(utils.fixConsole(content.prompt))
                .append(
                    $("<input/>")
                    .addClass("raw_input")
                    .attr('type', input_type)
                    .attr("size", 47)
                    .keydown(function (event, ui) {
                        // make sure we submit on enter,
                        // and don't re-execute the *cell* on shift-enter
                        if (event.which === keyboard.keycodes.enter) {
                            that._submit_raw_input();
                            return false;
                        }
                    })
                )
            )
            .attr("dir","auto")
        );

        this.element.append(area);
        var raw_input = area.find('input.raw_input');
        // Register events that enable/disable the keyboard manager while raw
        // input is focused.
        this.keyboard_manager.register_events(raw_input);
        // Note, the following line used to read raw_input.focus().focus().
        // This seemed to be needed otherwise only the cell would be focused.
        // But with the modal UI, this seems to work fine with one call to focus().
        raw_input.focus();
    };

    OutputArea.prototype._submit_raw_input = function (evt) {
        var container = this.element.find("div.raw_input_container");
        var theprompt = container.find("pre.raw_input_prompt");
        var theinput = container.find("input.raw_input");
        var value = theinput.val();
        var echo  = value;
        // don't echo if it's a password
        if (theinput.attr('type') == 'password') {
            echo = '········';
        }
        var content = {
            output_type : 'stream',
            name : 'stdout',
            text : theprompt.text() + echo + '\n'
        };
        // remove form container
        container.parent().remove();
        // replace with plaintext version in stdout
        this.append_output(content);
        this.events.trigger('send_input_reply.Kernel', value);
    };


    OutputArea.prototype.handle_clear_output = function (msg) {
        /**
         * msg spec v4 had stdout, stderr, display keys
         * v4.1 replaced these with just wait
         * The default behavior is the same (stdout=stderr=display=True, wait=False),
         * so v4 messages will still be properly handled,
         * except for the rarely used clearing less than all output.
         */
        this.clear_output(msg.content.wait || false);
    };


    OutputArea.prototype.clear_output = function(wait, ignore_clear_queue) {
        if (wait) {

            // If a clear is queued, clear before adding another to the queue.
            if (this.clear_queued) {
                this.clear_output(false);
            }

            this.clear_queued = true;
        } else {

            // Fix the output div's height if the clear_output is waiting for
            // new output (it is being used in an animation).
            if (!ignore_clear_queue && this.clear_queued) {
                // this.element.height() rounds the height, so we get the exact value
                var height = this.element[0].getBoundingClientRect().height;
                this.element.height(height);
                this.clear_queued = false;
            }

            // Clear all
            // Remove load event handlers from img tags because we don't want
            // them to fire if the image is never added to the page.
            this.element.find('img').off('load');
            this.element.trigger('clearing', {output_area: this});
            this.element.html("");

            // Notify others of changes.
            this.element.trigger('changed', {output_area: this});
            this.element.trigger('cleared', {output_area: this});

            this.outputs = [];
            this._display_id_targets = {};
            this.trusted = true;
            this.unscroll_area();
            this.expand();
            return;
        }
    };


    // JSON serialization

    OutputArea.prototype.fromJSON = function (outputs, metadata) {
        var len = outputs.length;
        metadata = metadata || {};

        for (var i=0; i<len; i++) {
            this.append_output(outputs[i]);
        }
        if (metadata.collapsed !== undefined) {
            if (metadata.collapsed) {
                this.collapse();
            } else {
                this.expand();
            }
        }
        if (metadata.scrolled !== undefined) {
            this.scroll_state = metadata.scrolled;
            if (metadata.scrolled) {
                this.scroll_if_long();
            } else {
                this.unscroll_area();
            }
        }
    };

    /**
     * Return for-saving version of outputs.
     * Excludes transient values.
     */
    OutputArea.prototype.toJSON = function () {
        return this.outputs.map(function (out) {
            var out2 = {};
            Object.keys(out).map(function (key) {
                if (key != 'transient') {
                    out2[key] = out[key];
                }
            });
            return out2;
        });
    };

    /**
     * Class properties
     **/

    /**
     * Threshold to trigger autoscroll when the OutputArea is resized,
     * typically when new outputs are added.
     *
     * Behavior is undefined if autoscroll is lower than minimum_scroll_threshold,
     * unless it is < 0, in which case autoscroll will never be triggered
     *
     * @property auto_scroll_threshold
     * @type Number
     * @default 100
     *
     **/
    OutputArea.auto_scroll_threshold = 100;

    /**
     * Lower limit (in lines) for OutputArea to be made scrollable. OutputAreas
     * shorter than this are never scrolled.
     *
     * @property minimum_scroll_threshold
     * @type Number
     * @default 20
     *
     **/
    OutputArea.minimum_scroll_threshold = 20;


    OutputArea.display_order = [
        MIME_JAVASCRIPT,
        MIME_HTML,
        MIME_MARKDOWN,
        MIME_LATEX,
        MIME_SVG,
        MIME_PNG,
        MIME_JPEG,
        MIME_GIF,
        MIME_PDF,
        MIME_TEXT
    ];

    OutputArea.append_map = {};
    OutputArea.append_map[MIME_TEXT] = append_text;
    OutputArea.append_map[MIME_HTML] = append_html;
    OutputArea.append_map[MIME_MARKDOWN] = append_markdown;
    OutputArea.append_map[MIME_SVG] = append_svg;
    OutputArea.append_map[MIME_PNG] = append_png;
    OutputArea.append_map[MIME_JPEG] = append_jpeg;
    OutputArea.append_map[MIME_GIF] = append_gif;
    OutputArea.append_map[MIME_LATEX] = append_latex;
    OutputArea.append_map[MIME_JAVASCRIPT] = append_javascript;
    OutputArea.append_map[MIME_PDF] = append_pdf;

    OutputArea.prototype.mime_types = function () {
        return OutputArea.display_order;
    };

    OutputArea.prototype.register_mime_type = function (mimetype, append, options) {
        if (mimetype && typeof(append) === 'function') {
            OutputArea.output_types.push(mimetype);
            if (options.safe) OutputArea.safe_outputs[mimetype] = true;
            OutputArea.display_order.splice(options.index || 0, 0, mimetype);
            OutputArea.append_map[mimetype] = append;
        }
    };

    return {'OutputArea': OutputArea};
});

// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.

// highly adapted for codemiror jshint
define('notebook/js/contexthint',['codemirror/lib/codemirror'], function(CodeMirror) {
    "use strict";

    var forEach = function(arr, f) {
        for (var i = 0, e = arr.length; i < e; ++i) f(arr[i]);
    };

    var arrayContains = function(arr, item) {
        if (!Array.prototype.indexOf) {
            var i = arr.length;
            while (i--) {
                if (arr[i] === item) {
                    return true;
                }
            }
            return false;
        }
        return arr.indexOf(item) != -1;
    };

    CodeMirror.contextHint = function (editor) {
        // Find the token at the cursor
        var cur = editor.getCursor(),
            token = editor.getTokenAt(cur),
            tprop = token;
        // If it's not a 'word-style' token, ignore the token.
        // If it is a property, find out what it is a property of.
        var list = [];
        var clist = getCompletions(token, editor);
        for (var i = 0; i < clist.length; i++) {
            list.push({
                str: clist[i],
                type: "context",
                from: {
                    line: cur.line,
                    ch: token.start
                },
                to: {
                    line: cur.line,
                    ch: token.end
                }
            });
        }
        return list;
    };

    // find all 'words' of current cell
    var getAllTokens = function (editor) {
        var found = [];

        // add to found if not already in it


        function maybeAdd(str) {
            if (!arrayContains(found, str)) found.push(str);
        }

        // loop through all token on all lines
        var lineCount = editor.lineCount();
        // loop on line
        for (var l = 0; l < lineCount; l++) {
            var line = editor.getLine(l);
            //loop on char
            for (var c = 1; c < line.length; c++) {
                var tk = editor.getTokenAt({
                    line: l,
                    ch: c
                });
                // if token has a class, it has geat chances of beeing
                // of interest. Add it to the list of possible completions.
                // we could skip token of ClassName 'comment'
                // or 'number' and 'operator'
                if (tk.className !== null) {
                    maybeAdd(tk.string);
                }
                // jump to char after end of current token
                c = tk.end;
            }
        }
        return found;
    };

    var getCompletions = function(token, editor) {
        var candidates = getAllTokens(editor);
        // filter all token that have a common start (but nox exactly) the length of the current token
        var lambda = function (x) {
                return (x.indexOf(token.string) === 0 && x != token.string);
            };
        var filterd = candidates.filter(lambda);
        return filterd;
    };

    return {'contextHint': CodeMirror.contextHint};
});

// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.

define('notebook/js/completer',[
    'jquery',
    'base/js/utils',
    'base/js/keyboard',
    'notebook/js/contexthint',
    'codemirror/lib/codemirror',
], function($, utils, keyboard, CodeMirror) {
    "use strict";

    // easier key mapping
    var keycodes = keyboard.keycodes;

    var prepend_n_prc = function(str, n) {
        for( var i =0 ; i< n ; i++){
            str = '%'+str ;
        }
        return str;
    };

    var _existing_completion = function(item, completion_array){
        for( var i=0; i < completion_array.length; i++) {
            if (completion_array[i].trim().substr(-item.length) == item) {
                return true;
            }
        }
        return false;
    };

    // what is the common start of all completions
    function shared_start(B, drop_prct) {
        if (B.length == 1) {
            return B[0];
        }
        var A = [];
        var common;
        var min_lead_prct = 10;
        for (var i = 0; i < B.length; i++) {
            var str = B[i].str;
            var localmin = 0;
            if(drop_prct === true){
                while ( str.substr(0, 1) == '%') {
                    localmin = localmin+1;
                    str = str.substring(1);
                }
            }
            min_lead_prct = Math.min(min_lead_prct, localmin);
            A.push(str);
        }

        if (A.length > 1) {
            var tem1, tem2, s;
            A = A.slice(0).sort();
            tem1 = A[0];
            s = tem1.length;
            tem2 = A.pop();
            while (s && tem2.indexOf(tem1) == -1) {
                tem1 = tem1.substring(0, --s);
            }
            if (tem1 === "" || tem2.indexOf(tem1) !== 0) {
                return {
                    str:prepend_n_prc('', min_lead_prct),
                    type: "computed",
                    from: B[0].from,
                    to: B[0].to
                    };
            }
            return {
                str: prepend_n_prc(tem1, min_lead_prct),
                type: "computed",
                from: B[0].from,
                to: B[0].to
            };
        }
        return null;
    }


    var Completer = function (cell, events) {
        this.cell = cell;
        this.editor = cell.code_mirror;
        var that = this;
        events.on('kernel_busy.Kernel', function () {
            that.skip_kernel_completion = true;
        });
        events.on('kernel_idle.Kernel', function () {
            that.skip_kernel_completion = false;
        });
    };

    Completer.prototype.startCompletion = function () {
        /**
         * call for a 'first' completion, that will set the editor and do some
         * special behavior like autopicking if only one completion available.
         */
        if (this.editor.somethingSelected()|| this.editor.getSelections().length > 1) return;
        this.done = false;
        // use to get focus back on opera
        this.carry_on_completion(true);
    };


    // easy access for julia to monkeypatch
    //
    Completer.reinvoke_re = /[%0-9a-z._/\\:~-]/i;

    Completer.prototype.reinvoke= function(pre_cursor, block, cursor){
        return Completer.reinvoke_re.test(pre_cursor);
    };

    /**
     *
     * pass true as parameter if this is the first invocation of the completer
     * this will prevent the completer to dismiss itself if it is not on a
     * word boundary like pressing tab after a space, and make it autopick the
     * only choice if there is only one which prevent from popping the UI.  as
     * well as fast-forwarding the typing if all completion have a common
     * shared start
     **/
    Completer.prototype.carry_on_completion = function (first_invocation) {
        /**
         * Pass true as parameter if you want the completer to autopick when
         * only one completion. This function is automatically reinvoked at
         * each keystroke with first_invocation = false
         */
        var cur = this.editor.getCursor();
        var line = this.editor.getLine(cur.line);
        var pre_cursor = this.editor.getRange({
            line: cur.line,
            ch: cur.ch - 1
        }, cur);

        // we need to check that we are still on a word boundary
        // because while typing the completer is still reinvoking itself
        // so dismiss if we are on a "bad" character
        if (!this.reinvoke(pre_cursor) && !first_invocation) {
            this.close();
            return;
        }

        this.autopick = false;
        if (first_invocation) {
            this.autopick = true;
        }

        // We want a single cursor position.
        if (this.editor.somethingSelected()|| this.editor.getSelections().length > 1) {
            return;
        }

        // one kernel completion came back, finish_completing will be called with the results
        // we fork here and directly call finish completing if kernel is busy
        var cursor_pos = this.editor.indexFromPos(cur);
        var text = this.editor.getValue();
        cursor_pos = utils.js_idx_to_char_idx(cursor_pos, text);
        if (this.skip_kernel_completion) {
            this.finish_completing({ content: {
                matches: [],
                cursor_start: cursor_pos,
                cursor_end: cursor_pos,
            }});
        } else {
            this.cell.kernel.complete(text, cursor_pos,
                $.proxy(this.finish_completing, this)
            );
        }
    };

    Completer.prototype.finish_completing = function (msg) {
        /**
         * let's build a function that wrap all that stuff into what is needed
         * for the new completer:
         */
        var content = msg.content;
        var start = content.cursor_start;
        var end = content.cursor_end;
        var matches = content.matches;
        console.log(content);

        var cur = this.editor.getCursor();
        if (end === null) {
            // adapted message spec replies don't have cursor position info,
            // interpret end=null as current position,
            // and negative start relative to that
            end = this.editor.indexFromPos(cur);
            if (start === null) {
                start = end;
            } else if (start < 0) {
                start = end + start;
            }
        } else {
            // handle surrogate pairs
            var text = this.editor.getValue();
            end = utils.char_idx_to_js_idx(end, text);
            start = utils.char_idx_to_js_idx(start, text);
        }

        var results = CodeMirror.contextHint(this.editor);
        var filtered_results = [];
        //remove results from context completion
        //that are already in kernel completion
        var i;
        for (i=0; i < results.length; i++) {
            if (!_existing_completion(results[i].str, matches)) {
                filtered_results.push(results[i]);
            }
        }

        // append the introspection result, in order, at at the beginning of
        // the table and compute the replacement range from current cursor
        // position and matched_text length.
        var from = this.editor.posFromIndex(start);
        var to = this.editor.posFromIndex(end);
        for (i = matches.length - 1; i >= 0; --i) {
            filtered_results.unshift({
                str: matches[i],
                type: "introspection",
                from: from,
                to: to
            });
        }

        // one the 2 sources results have been merge, deal with it
        this.raw_result = filtered_results;

        // if empty result return
        if (!this.raw_result || !this.raw_result.length) return;

        // When there is only one completion, use it directly.
        if (this.autopick && this.raw_result.length == 1) {
            this.insert(this.raw_result[0]);
            return;
        }

        if (this.raw_result.length == 1) {
            // test if first and only completion totally matches
            // what is typed, in this case dismiss
            var str = this.raw_result[0].str;
            var pre_cursor = this.editor.getRange({
                line: cur.line,
                ch: cur.ch - str.length
            }, cur);
            if (pre_cursor == str) {
                this.close();
                return;
            }
        }

        if (!this.visible) {
            this.complete = $('<div/>').addClass('completions');
            this.complete.attr('id', 'complete');

            // Currently webkit doesn't use the size attr correctly. See:
            // https://code.google.com/p/chromium/issues/detail?id=4579
            this.sel = $('<select/>')
                .attr('tabindex', -1)
                .attr('multiple', 'true');
            this.complete.append(this.sel);
            this.visible = true;
            $('body').append(this.complete);

            //build the container
            var that = this;
            this.sel.click(function () {
                that.pick();
                that.editor.focus();
            });
            this._handle_keydown = function (cm, event) {
                that.keydown(event);
            };
            this.editor.on('keydown', this._handle_keydown);
            this._handle_keypress = function (cm, event) {
                that.keypress(event);
            };
            this.editor.on('keypress', this._handle_keypress);
        }
        this.sel.attr('size', Math.min(10, this.raw_result.length));

        // After everything is on the page, compute the position.
        // We put it above the code if it is too close to the bottom of the page.
        var pos = this.editor.cursorCoords(
            this.editor.posFromIndex(start)
        );
        var left = pos.left-3;
        var top;
        var cheight = this.complete.height();
        var wheight = $(window).height();
        if (pos.bottom+cheight+5 > wheight) {
            top = pos.top-cheight-4;
        } else {
            top = pos.bottom+1;
        }
        this.complete.css('left', left + 'px');
        this.complete.css('top', top + 'px');

        // Clear and fill the list.
        this.sel.text('');
        this.build_gui_list(this.raw_result);
        return true;
    };

    Completer.prototype.insert = function (completion) {
        this.editor.replaceRange(completion.str, completion.from, completion.to);
    };

    Completer.prototype.build_gui_list = function (completions) {
        var MAXIMUM_GUI_LIST_LENGTH = 1000;
        for (var i = 0; i < completions.length && i < MAXIMUM_GUI_LIST_LENGTH; ++i) {
            var opt = $('<option/>').text(completions[i].str).addClass(completions[i].type);
            this.sel.append(opt);
        }
        this.sel.children().first().attr('selected', 'true');
        this.sel.scrollTop(0);
    };

    Completer.prototype.close = function () {
        this.done = true;
        $('#complete').remove();
        this.editor.off('keydown', this._handle_keydown);
        this.editor.off('keypress', this._handle_keypress);
        this.visible = false;
    };

    Completer.prototype.pick = function () {
        this.insert(this.raw_result[this.sel[0].selectedIndex]);
        this.close();
    };

    Completer.prototype.keydown = function (event) {
        var code = event.keyCode;

        // Enter
        var options;
        var index;
        if (code == keycodes.enter) {
            event.codemirrorIgnore = true;
            event._ipkmIgnore = true;
            event.preventDefault();
            this.pick();
        // Escape or backspace
        } else if (code == keycodes.esc || code == keycodes.backspace) {
            event.codemirrorIgnore = true;
            event._ipkmIgnore = true;
            event.preventDefault();
            this.close();
        } else if (code == keycodes.tab) {
            //all the fastforwarding operation,
            //Check that shared start is not null which can append with prefixed completion
            // like %pylab , pylab have no shared start, and ff will result in py<tab><tab>
            // to erase py
            var sh = shared_start(this.raw_result, true);
            if (sh.str !== '') {
                this.insert(sh);
            }
            this.close();
            this.carry_on_completion();
        } else if (code == keycodes.up || code == keycodes.down) {
            // need to do that to be able to move the arrow
            // when on the first or last line of a code cell
            event.codemirrorIgnore = true;
            event._ipkmIgnore = true;
            event.preventDefault();

            options = this.sel.find('option');
            index = this.sel[0].selectedIndex;
            if (code == keycodes.up) {
                index--;
            }
            if (code == keycodes.down) {
                index++;
            }
            index = Math.min(Math.max(index, 0), options.length-1);
            this.sel[0].selectedIndex = index;
        } else if (code == keycodes.pageup || code == keycodes.pagedown) {
            event.codemirrorIgnore = true;
            event._ipkmIgnore = true;

            options = this.sel.find('option');
            index = this.sel[0].selectedIndex;
            if (code == keycodes.pageup) {
                index -= 10; // As 10 is the hard coded size of the drop down menu
            } else {
                index += 10;
            }
            index = Math.min(Math.max(index, 0), options.length-1);
            this.sel[0].selectedIndex = index;
        } else if (code == keycodes.left || code == keycodes.right) {
            this.close();
        }
    };

    Completer.prototype.keypress = function (event) {
        /**
         * FIXME: This is a band-aid.
         * on keypress, trigger insertion of a single character.
         * This simulates the old behavior of completion as you type,
         * before events were disconnected and CodeMirror stopped
         * receiving events while the completer is focused.
         */
        
        var that = this;
        var code = event.keyCode;
        
        // don't handle keypress if it's not a character (arrows on FF)
        // or ENTER/TAB
        if (event.charCode === 0 ||
            code == keycodes.tab ||
            code == keycodes.enter
        ) return;
        
        this.close();
        this.editor.focus();
        setTimeout(function () {
            that.carry_on_completion();
        }, 50);
    };

    return {'Completer': Completer};
});

// IPython mode is just a slightly altered Python Mode with `?` beeing a extra
// single operator. Here we define `ipython` mode in the require `python`
// callback to auto-load python mode, which is more likely not the best things
// to do, but at least the simple one for now.

(function(mod) {
  if (typeof exports == "object" && typeof module == "object"){ // CommonJS
    mod(requirejs("codemirror/lib/codemirror"),
        requirejs("codemirror/mode/python/python")
        );
  } else if (typeof define == "function" && define.amd){ // AMD
    define('notebook/js/codemirror-ipython',["codemirror/lib/codemirror",
            "codemirror/mode/python/python"], mod);
  } else {// Plain browser env
    mod(CodeMirror);
  }
})(function(CodeMirror) {
    "use strict";

    CodeMirror.defineMode("ipython", function(conf, parserConf) {
        var pythonConf = {};
        for (var prop in parserConf) {
            if (parserConf.hasOwnProperty(prop)) {
                pythonConf[prop] = parserConf[prop];
            }
        }
        pythonConf.name = 'python';
        pythonConf.singleOperators = new RegExp("^[\\+\\-\\*/%&|@\\^~<>!\\?]");
        if (pythonConf.version === 3) {
            pythonConf.identifiers = new RegExp("^[_A-Za-z\u00A1-\uFFFF][_A-Za-z0-9\u00A1-\uFFFF]*");
        } else if (pythonConf.version === 2) {
            pythonConf.identifiers = new RegExp("^[_A-Za-z][_A-Za-z0-9]*");
        }
        return CodeMirror.getMode(conf, pythonConf);
    }, 'python');

    CodeMirror.defineMIME("text/x-ipython", "ipython");
})
;
// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.
/**
 *
 *
 * @module codecell
 * @namespace codecell
 * @class CodeCell
 */


define('notebook/js/codecell',[
    'jquery',
    'base/js/namespace',
    'base/js/utils',
    'base/js/i18n',
    'base/js/keyboard',
    'services/config',
    'notebook/js/cell',
    'notebook/js/outputarea',
    'notebook/js/completer',
    'notebook/js/celltoolbar',
    'codemirror/lib/codemirror',
    'codemirror/mode/python/python',
    'notebook/js/codemirror-ipython'
], function(
    $,
    IPython,
    utils,
    i18n,
    keyboard,
    configmod,
    cell,
    outputarea,
    completer,
    celltoolbar,
    CodeMirror,
    cmpython,
    cmip
    ) {
    "use strict";
    
    var Cell = cell.Cell;

    /* local util for codemirror */
    var posEq = function(a, b) {return a.line === b.line && a.ch === b.ch;};

    /**
     *
     * function to delete until previous non blanking space character
     * or first multiple of 4 tabstop.
     * @private
     */
    CodeMirror.commands.delSpaceToPrevTabStop = function(cm){
        var tabSize = cm.getOption('tabSize');
        var ranges = cm.listSelections(); // handle multicursor
        for (var i = ranges.length - 1; i >= 0; i--) { // iterate reverse so any deletions don't overlap
            var head = ranges[i].head;
            var anchor = ranges[i].anchor;
            var sel = !posEq(head, anchor);
            if (sel) {
                // range is selection
                cm.replaceRange("", anchor, head);
            } else {
                // range is cursor
                var line = cm.getLine(head.line).substring(0, head.ch);
                if (line.match(/^\ +$/) !== null){
                    // delete tabs
                    var prevTabStop = (Math.ceil(head.ch/tabSize)-1)*tabSize;
                    var from = CodeMirror.Pos(head.line, prevTabStop)
                    cm.replaceRange("", from, head);
                } else {
                    // delete normally
                    var from = cm.findPosH(head, -1,  'char', false);
                    cm.replaceRange("", from, head);
                }
            }
        }
    };

    var keycodes = keyboard.keycodes;

    var CodeCell = function (kernel, options) {
        /**
         * Constructor
         *
         * A Cell conceived to write code.
         *
         * Parameters:
         *  kernel: Kernel instance
         *      The kernel doesn't have to be set at creation time, in that case
         *      it will be null and set_kernel has to be called later.
         *  options: dictionary
         *      Dictionary of keyword arguments.
         *          events: $(Events) instance 
         *          config: dictionary
         *          keyboard_manager: KeyboardManager instance 
         *          notebook: Notebook instance
         *          tooltip: Tooltip instance
         */
        this.kernel = kernel || null;
        this.notebook = options.notebook;
        this.collapsed = false;
        this.events = options.events;
        this.tooltip = options.tooltip;
        this.config = options.config;
        this.class_config = new configmod.ConfigWithDefaults(this.config,
                                        CodeCell.options_default, 'CodeCell');

        // create all attributed in constructor function
        // even if null for V8 VM optimisation
        this.input_prompt_number = null;
        this.celltoolbar = null;
        this.output_area = null;

        this.last_msg_id = null;
        this.completer = null;

        Cell.apply(this,[{
            config: options.config, 
            keyboard_manager: options.keyboard_manager, 
            events: this.events}]);

        // Attributes we want to override in this subclass.
        this.cell_type = "code";
        var that  = this;
        this.element.focusout(
            function() { that.auto_highlight(); }
        );
    };

    CodeCell.options_default = {
        cm_config : {
            extraKeys: {
                "Backspace" : "delSpaceToPrevTabStop",
            },
            mode: 'text',
            theme: 'ipython',
            matchBrackets: true,
            autoCloseBrackets: true
        },
        highlight_modes : {
            'magic_javascript'    :{'reg':['^%%javascript']},
            'magic_perl'          :{'reg':['^%%perl']},
            'magic_ruby'          :{'reg':['^%%ruby']},
            'magic_python'        :{'reg':['^%%python3?']},
            'magic_shell'         :{'reg':['^%%bash']},
            'magic_r'             :{'reg':['^%%R']},
            'magic_text/x-cython' :{'reg':['^%%cython']},
        },
    };

    CodeCell.msg_cells = {};

    CodeCell.prototype = Object.create(Cell.prototype);
    
    /** @method create_element */
    CodeCell.prototype.create_element = function () {
        Cell.prototype.create_element.apply(this, arguments);
        var that = this;

        var cell =  $('<div></div>').addClass('cell code_cell');
        cell.attr('tabindex','2');

        var input = $('<div></div>').addClass('input');
        this.input = input;

        var prompt_container = $('<div/>').addClass('prompt_container');

        var run_this_cell = $('<div></div>').addClass('run_this_cell');
        run_this_cell.prop('title', 'Run this cell');
        run_this_cell.append('<i class="fa-step-forward fa"></i>');
        run_this_cell.click(function (event) {
            event.stopImmediatePropagation();
            that.execute();
        });

        var prompt = $('<div/>').addClass('prompt input_prompt');
        
        var inner_cell = $('<div/>').addClass('inner_cell');
        this.celltoolbar = new celltoolbar.CellToolbar({
            cell: this, 
            notebook: this.notebook});
        inner_cell.append(this.celltoolbar.element);
        var input_area = $('<div/>').addClass('input_area').attr("aria-label", i18n.msg._("Edit code here"));
        this.code_mirror = new CodeMirror(input_area.get(0), this._options.cm_config);
        // In case of bugs that put the keyboard manager into an inconsistent state,
        // ensure KM is enabled when CodeMirror is focused:
        this.code_mirror.on('focus', function () {
            if (that.keyboard_manager) {
                that.keyboard_manager.enable();
            }

            that.code_mirror.setOption('readOnly', !that.is_editable());
        });
        this.code_mirror.on('keydown', $.proxy(this.handle_keyevent,this));
        $(this.code_mirror.getInputField()).attr("spellcheck", "false");
        inner_cell.append(input_area);
        prompt_container.append(prompt).append(run_this_cell);
        input.append(prompt_container).append(inner_cell);

        var output = $('<div></div>');
        cell.append(input).append(output);
        this.element = cell;
        this.output_area = new outputarea.OutputArea({
            config: this.config,
            selector: output,
            prompt_area: true,
            events: this.events,
            keyboard_manager: this.keyboard_manager,
        });
        this.completer = new completer.Completer(this, this.events);
    };

    /** @method bind_events */
    CodeCell.prototype.bind_events = function () {
        Cell.prototype.bind_events.apply(this, arguments);
        var that = this;

        this.element.focusout(
            function() { that.auto_highlight(); }
        );

        this.events.on('kernel_restarting.Kernel', function() {
            if (that.input_prompt_number === '*') {
              that.set_input_prompt();
            }
        });
    };


    /**
     *  This method gets called in CodeMirror's onKeyDown/onKeyPress
     *  handlers and is used to provide custom key handling. Its return
     *  value is used to determine if CodeMirror should ignore the event:
     *  true = ignore, false = don't ignore.
     *  @method handle_codemirror_keyevent
     */

    CodeCell.prototype.handle_codemirror_keyevent = function (editor, event) {

        var that = this;
        // whatever key is pressed, first, cancel the tooltip request before
        // they are sent, and remove tooltip if any, except for tab again
        var tooltip_closed = null;
        if (event.type === 'keydown' && event.which !== keycodes.tab ) {
            tooltip_closed = this.tooltip.remove_and_cancel_tooltip();
        }

        var cur = editor.getCursor();
        if (event.keyCode === keycodes.enter){
            this.auto_highlight();
        }

        if (event.which === keycodes.down && event.type === 'keypress' && this.tooltip.time_before_tooltip >= 0) {
            // triger on keypress (!) otherwise inconsistent event.which depending on platform
            // browser and keyboard layout !
            // Pressing '(' , request tooltip, don't forget to reappend it
            // The second argument says to hide the tooltip if the docstring
            // is actually empty
            this.tooltip.pending(that, true);
        } else if ( tooltip_closed && event.which === keycodes.esc && event.type === 'keydown') {
            // If tooltip is active, cancel it.  The call to
            // remove_and_cancel_tooltip above doesn't pass, force=true.
            // Because of this it won't actually close the tooltip
            // if it is in sticky mode. Thus, we have to check again if it is open
            // and close it with force=true.
            if (!this.tooltip._hidden) {
                this.tooltip.remove_and_cancel_tooltip(true);
            }
            // If we closed the tooltip, don't let CM or the global handlers
            // handle this event.
            event.codemirrorIgnore = true;
            event._ipkmIgnore = true;
            event.preventDefault();
            return true;
        } else if (event.keyCode === keycodes.tab && event.type === 'keydown' && event.shiftKey) {
                if (editor.somethingSelected() || editor.getSelections().length !== 1){
                    var anchor = editor.getCursor("anchor");
                    var head = editor.getCursor("head");
                    if( anchor.line !== head.line){
                        return false;
                    }
                }
                var pre_cursor = editor.getRange({line:cur.line,ch:0},cur);
                if (pre_cursor.trim() === "") {
                    // Don't show tooltip if the part of the line before the cursor
                    // is empty.  In this case, let CodeMirror handle indentation.
                    return false;
                } 
                this.tooltip.request(that);
                event.codemirrorIgnore = true;
                event.preventDefault();
                return true;
        } else if (event.keyCode === keycodes.tab && event.type === 'keydown') {
            // Tab completion.
            this.tooltip.remove_and_cancel_tooltip();

            // completion does not work on multicursor, it might be possible though in some cases
            if (editor.somethingSelected() || editor.getSelections().length > 1) {
                return false;
            }
            var pre_cursor = editor.getRange({line:cur.line,ch:0},cur);
            if (pre_cursor.trim() === "") {
                // Don't autocomplete if the part of the line before the cursor
                // is empty.  In this case, let CodeMirror handle indentation.
                return false;
            } else {
                event.codemirrorIgnore = true;
                event.preventDefault();
                this.completer.startCompletion();
                return true;
            }
        } 
        
        // keyboard event wasn't one of those unique to code cells, let's see
        // if it's one of the generic ones (i.e. check edit mode shortcuts)
        return Cell.prototype.handle_codemirror_keyevent.apply(this, [editor, event]);
    };

    // Kernel related calls.

    CodeCell.prototype.set_kernel = function (kernel) {
        this.kernel = kernel;
    };

    /**
     * Execute current code cell to the kernel
     * @method execute
     */
    CodeCell.prototype.execute = function (stop_on_error) {
        if (!this.kernel) {
            console.log(i18n.msg._("Can't execute cell since kernel is not set."));
            return;
        }

        if (stop_on_error === undefined) {
            if (this.metadata !== undefined && 
                    this.metadata.tags !== undefined) {
                if (this.metadata.tags.indexOf('raises-exception') !== -1) {
                    stop_on_error = false;
                } else {
                    stop_on_error = true;
                }
            } else {
               stop_on_error = true;
            }
        }

        this.clear_output(false, true);
        var old_msg_id = this.last_msg_id;
        if (old_msg_id) {
            this.kernel.clear_callbacks_for_msg(old_msg_id);
            delete CodeCell.msg_cells[old_msg_id];
            this.last_msg_id = null;
        }
        if (this.get_text().trim().length === 0) {
            // nothing to do
            this.set_input_prompt(null);
            return;
        }
        this.set_input_prompt('*');
        this.element.addClass("running");
        var callbacks = this.get_callbacks();
        
        this.last_msg_id = this.kernel.execute(this.get_text(), callbacks, {silent: false, store_history: true,
            stop_on_error : stop_on_error});
        CodeCell.msg_cells[this.last_msg_id] = this;
        this.render();
        this.events.trigger('execute.CodeCell', {cell: this});
        var that = this;
        function handleFinished(evt, data) {
            if (that.kernel.id === data.kernel.id && that.last_msg_id === data.msg_id) {
                    that.events.trigger('finished_execute.CodeCell', {cell: that});
                that.events.off('finished_iopub.Kernel', handleFinished);
              }
        }
        this.events.on('finished_iopub.Kernel', handleFinished);
    };
    
    /**
     * Construct the default callbacks for
     * @method get_callbacks
     */
    CodeCell.prototype.get_callbacks = function () {
        var that = this;
        return {
            clear_on_done: false,
            shell : {
                reply : $.proxy(this._handle_execute_reply, this),
                payload : {
                    set_next_input : $.proxy(this._handle_set_next_input, this),
                    page : $.proxy(this._open_with_pager, this)
                }
            },
            iopub : {
                output : function() { 
                    that.events.trigger('set_dirty.Notebook', {value: true});
                    that.output_area.handle_output.apply(that.output_area, arguments);
                }, 
                clear_output : function() { 
                    that.events.trigger('set_dirty.Notebook', {value: true});
                    that.output_area.handle_clear_output.apply(that.output_area, arguments);
                }, 
            },
            input : $.proxy(this._handle_input_request, this),
        };
    };
    
    CodeCell.prototype._open_with_pager = function (payload) {
        this.events.trigger('open_with_text.Pager', payload);
    };

    /**
     * @method _handle_execute_reply
     * @private
     */
    CodeCell.prototype._handle_execute_reply = function (msg) {
        this.set_input_prompt(msg.content.execution_count);
        this.element.removeClass("running");
        this.events.trigger('set_dirty.Notebook', {value: true});
    };

    /**
     * @method _handle_set_next_input
     * @private
     */
    CodeCell.prototype._handle_set_next_input = function (payload) {
        var data = {
            cell: this,
            text: payload.text,
            replace: payload.replace,
            clear_output: payload.clear_output,
        };
        this.events.trigger('set_next_input.Notebook', data);
    };

    /**
     * @method _handle_input_request
     * @private
     */
    CodeCell.prototype._handle_input_request = function (msg) {
        this.output_area.append_raw_input(msg);
    };


    // Basic cell manipulation.

    CodeCell.prototype.select = function () {
        var cont = Cell.prototype.select.apply(this, arguments);
        if (cont) {
            this.code_mirror.refresh();
            this.auto_highlight();
        }
        return cont;
    };

    CodeCell.prototype.render = function () {
        var cont = Cell.prototype.render.apply(this, arguments);
        // Always execute, even if we are already in the rendered state
        return cont;
    };
    
    CodeCell.prototype.select_all = function () {
        var start = {line: 0, ch: 0};
        var nlines = this.code_mirror.lineCount();
        var last_line = this.code_mirror.getLine(nlines-1);
        var end = {line: nlines-1, ch: last_line.length};
        this.code_mirror.setSelection(start, end);
    };


    CodeCell.prototype.collapse_output = function () {
        this.output_area.collapse();
    };


    CodeCell.prototype.expand_output = function () {
        this.output_area.expand();
        this.output_area.unscroll_area();
    };

    CodeCell.prototype.scroll_output = function () {
        this.output_area.expand();
        this.output_area.scroll_if_long();
    };

    CodeCell.prototype.toggle_output = function () {
        this.output_area.toggle_output();
    };

    CodeCell.prototype.toggle_output_scroll = function () {
        this.output_area.toggle_scroll();
    };


    CodeCell.input_prompt_classical = function (prompt_value, lines_number) {
        var ns;
        if (prompt_value === undefined || prompt_value === null) {
            ns = "&nbsp;";
        } else {
            ns = encodeURIComponent(prompt_value);
        }
        return '<bdi>'+i18n.msg._('In')+'</bdi>&nbsp;[' + ns + ']:';
    };

    CodeCell.input_prompt_continuation = function (prompt_value, lines_number) {
        var html = [CodeCell.input_prompt_classical(prompt_value, lines_number)];
        for(var i=1; i < lines_number; i++) {
            html.push(['...:']);
        }
        return html.join('<br/>');
    };

    CodeCell.input_prompt_function = CodeCell.input_prompt_classical;


    CodeCell.prototype.set_input_prompt = function (number) {
        var nline = 1;
        if (this.code_mirror !== undefined) {
           nline = this.code_mirror.lineCount();
        }
        this.input_prompt_number = number;
        var prompt_html = CodeCell.input_prompt_function(this.input_prompt_number, nline);

        // This HTML call is okay because the user contents are escaped.
        this.element.find('div.input_prompt').html(prompt_html);
        this.events.trigger('set_dirty.Notebook', {value: true});
    };


    CodeCell.prototype.clear_input = function () {
        this.code_mirror.setValue('');
    };


    CodeCell.prototype.get_text = function () {
        return this.code_mirror.getValue();
    };


    CodeCell.prototype.set_text = function (code) {
        return this.code_mirror.setValue(code);
    };


    CodeCell.prototype.clear_output = function (wait, ignore_queue) {
        this.events.trigger('clear_output.CodeCell', {cell: this});
        this.output_area.clear_output(wait, ignore_queue);
        this.set_input_prompt();
    };


    // JSON serialization

    CodeCell.prototype.fromJSON = function (data) {
        Cell.prototype.fromJSON.apply(this, arguments);
        if (data.cell_type === 'code') {
            if (data.source !== undefined) {
                this.set_text(data.source);
                // make this value the starting point, so that we can only undo
                // to this state, instead of a blank cell
                this.code_mirror.clearHistory();
                this.auto_highlight();
            }
            this.set_input_prompt(data.execution_count);
            this.output_area.trusted = data.metadata.trusted || false;
            this.output_area.fromJSON(data.outputs, data.metadata);
        }
    };


    CodeCell.prototype.toJSON = function () {
        var data = Cell.prototype.toJSON.apply(this);
        data.source = this.get_text();
        // is finite protect against undefined and '*' value
        if (isFinite(this.input_prompt_number)) {
            data.execution_count = this.input_prompt_number;
        } else {
            data.execution_count = null;
        }
        var outputs = this.output_area.toJSON();
        data.outputs = outputs;
        data.metadata.trusted = this.output_area.trusted;
        if (this.output_area.collapsed) {
            data.metadata.collapsed = this.output_area.collapsed;
        } else {
            delete data.metadata.collapsed;
        }
        if (this.output_area.scroll_state === 'auto') {
            delete data.metadata.scrolled;
        } else {
            data.metadata.scrolled = this.output_area.scroll_state;
        }
        return data;
    };

    /**
     * handle cell level logic when the cell is unselected
     * @method unselect
     * @return is the action being taken
     */
    CodeCell.prototype.unselect = function() {
        var cont = Cell.prototype.unselect.apply(this, arguments);
        if (cont) {
            // When a code cell is unselected, make sure that the corresponding
            // tooltip and completer to that cell is closed.
            this.tooltip.remove_and_cancel_tooltip(true);
            if (this.completer !== null) {
                this.completer.close();
            }
        }
        return cont;
    };

    // Backwards compatibility.
    IPython.CodeCell = CodeCell;

    return {'CodeCell': CodeCell};
});

// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.

define('services/kernels/comm',[
    'jquery',
    'base/js/utils',
], function($, utils) {
    "use strict";

    //-----------------------------------------------------------------------
    // CommManager class
    //-----------------------------------------------------------------------
    
    var CommManager = function (kernel) {
        this.comms = {};
        this.targets = {};
        if (kernel !== undefined) {
            this.init_kernel(kernel);
        }
    };
    
    CommManager.prototype.init_kernel = function (kernel) {
        /**
         * connect the kernel, and register message handlers
         */
        this.kernel = kernel;
        var msg_types = ['comm_open', 'comm_msg', 'comm_close'];
        for (var i = 0; i < msg_types.length; i++) {
            var msg_type = msg_types[i];
            kernel.register_iopub_handler(msg_type, $.proxy(this[msg_type], this));
        }
    };

    CommManager.prototype.new_comm = function (target_name, data, callbacks, metadata, comm_id, buffers) {
        /**
         * Create a new Comm, register it, and open its Kernel-side counterpart
         * Mimics the auto-registration in `Comm.__init__` in the Jupyter Comm.
         *
         * argument comm_id is optional
         */
        var comm = new Comm(target_name, comm_id);
        this.register_comm(comm);
        comm.open(data, callbacks, metadata, buffers);
        return comm;
    };
    
    CommManager.prototype.register_target = function (target_name, f) {
        /**
         * Register a target function for a given target name
         */
        this.targets[target_name] = f;
    };
    
    CommManager.prototype.unregister_target = function (target_name, f) {
        /**
         * Unregister a target function for a given target name
         */
        delete this.targets[target_name];
    };
    
    CommManager.prototype.register_comm = function (comm) {
        /**
         * Register a comm in the mapping
         */
        this.comms[comm.comm_id] = Promise.resolve(comm);
        comm.kernel = this.kernel;
        return comm.comm_id;
    };
    
    CommManager.prototype.unregister_comm = function (comm) {
        /**
         * Remove a comm from the mapping
         */
        delete this.comms[comm.comm_id];
    };
    
    // comm message handlers
    
    CommManager.prototype.comm_open = function (msg) {
        var content = msg.content;
        var that = this;
        var comm_id = content.comm_id;

        this.comms[comm_id] = utils.load_class(content.target_name, content.target_module, 
            this.targets).then(function(target) {
                var comm = new Comm(content.target_name, comm_id);
                comm.kernel = that.kernel;
                try {
                    var response = target(comm, msg);
                } catch (e) {
                    comm.close();
                    that.unregister_comm(comm);
                    var wrapped_error = new utils.WrappedError("Exception opening new comm", e);
                    console.error(wrapped_error);
                    return Promise.reject(wrapped_error);
                }
                // Regardless of the target return value, we need to
                // then return the comm
                return Promise.resolve(response).then(function() {return comm;});
            }, utils.reject('Could not open comm', true));
        return this.comms[comm_id];
    };
    
    CommManager.prototype.comm_close = function(msg) {
        var content = msg.content;
        if (this.comms[content.comm_id] === undefined) {
            console.error('Comm promise not found for comm id ' + content.comm_id);
            return;
        }
        var that = this;
        this.comms[content.comm_id] = this.comms[content.comm_id].then(function(comm) {
            that.unregister_comm(comm);
            try {
                comm.handle_close(msg);
            } catch (e) {
                console.log("Exception closing comm: ", e, e.stack, msg);
            }
            // don't return a comm, so that further .then() functions
            // get an undefined comm input
        });
        return this.comms[content.comm_id];
    };
    
    CommManager.prototype.comm_msg = function(msg) {
        var content = msg.content;
        if (this.comms[content.comm_id] === undefined) {
            console.error('Comm promise not found for comm id ' + content.comm_id);
            return;
        }

        this.comms[content.comm_id] = this.comms[content.comm_id].then(function(comm) {
            return (Promise.resolve(comm.handle_msg(msg))
                .catch(utils.reject('Exception handling comm message'))
                .then(function() {return comm;}));
        });
        return this.comms[content.comm_id];
    };
    
    //-----------------------------------------------------------------------
    // Comm base class
    //-----------------------------------------------------------------------
    
    var Comm = function (target_name, comm_id) {
        this.target_name = target_name;
        this.comm_id = comm_id || utils.uuid();
        this._msg_callback = this._close_callback = null;
    };
    
    // methods for sending messages
    Comm.prototype.open = function (data, callbacks, metadata, buffers) {
        var content = {
            comm_id : this.comm_id,
            target_name : this.target_name,
            data : data || {},
        };
        return this.kernel.send_shell_message("comm_open", content, callbacks, metadata, buffers);
    };
    
    Comm.prototype.send = function (data, callbacks, metadata, buffers) {
        var content = {
            comm_id : this.comm_id,
            data : data || {},
        };
        return this.kernel.send_shell_message("comm_msg", content, callbacks, metadata, buffers);
    };

    Comm.prototype.close = function (data, callbacks, metadata, buffers) {
        var content = {
            comm_id : this.comm_id,
            data : data || {},
        };
        return this.kernel.send_shell_message("comm_close", content, callbacks, metadata, buffers);
    };
    
    // methods for registering callbacks for incoming messages
    Comm.prototype._register_callback = function (key, callback) {
        this['_' + key + '_callback'] = callback;
    };
    
    Comm.prototype.on_msg = function (callback) {
        this._register_callback('msg', callback);
    };
    
    Comm.prototype.on_close = function (callback) {
        this._register_callback('close', callback);
    };
    
    // methods for handling incoming messages
    
    Comm.prototype._callback = function (key, msg) {
        var callback = this['_' + key + '_callback'];
        if (callback) {
            try {
                return callback(msg);
            } catch (e) {
                console.log("Exception in Comm callback", e, e.stack, msg);
            }
        }
    };
    
    Comm.prototype.handle_msg = function (msg) {
        return this._callback('msg', msg);
    };
    
    Comm.prototype.handle_close = function (msg) {
        this._callback('close', msg);
    };
    
    return {
        'CommManager': CommManager,
        'Comm': Comm
    };
});

// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.

define('services/kernels/serialize',[
    'underscore',
    ], function (_) {
    "use strict";
    
    var _deserialize_array_buffer = function (buf) {
        var data = new DataView(buf);
        // read the header: 1 + nbufs 32b integers
        var nbufs = data.getUint32(0);
        var offsets = [];
        var i;
        for (i = 1; i <= nbufs; i++) {
            offsets.push(data.getUint32(i * 4));
        }
        var json_bytes = new Uint8Array(buf.slice(offsets[0], offsets[1]));
        var msg = JSON.parse(
            (new TextDecoder('utf8')).decode(json_bytes)
        );
        // the remaining chunks are stored as DataViews in msg.buffers
        msg.buffers = [];
        var start, stop;
        for (i = 1; i < nbufs; i++) {
            start = offsets[i];
            stop = offsets[i+1] || buf.byteLength;
            msg.buffers.push(new DataView(buf.slice(start, stop)));
        }
        return msg;
    };
    
    var _deserialize_binary = function(data) {
        /**
         * deserialize the binary message format
         * callback will be called with a message whose buffers attribute
         * will be an array of DataViews.
         */
        if (data instanceof Blob) {
            // data is Blob, have to deserialize from ArrayBuffer in reader callback
            var reader = new FileReader();
            var promise = new Promise(function(resolve, reject) {
                reader.onload = function () {
                    var msg = _deserialize_array_buffer(this.result);
                    resolve(msg);
                };
            });
            reader.readAsArrayBuffer(data);
            return promise;
        } else {
            // data is ArrayBuffer, can deserialize directly
            var msg = _deserialize_array_buffer(data);
            return msg;
        }
    };

    var deserialize = function (data) {
        /**
         * deserialize a message and return a promise for the unpacked message
         */
        if (typeof data === "string") {
            // text JSON message
            return Promise.resolve(JSON.parse(data));
        } else {
            // binary message
            return Promise.resolve(_deserialize_binary(data));
        }
    };
    
    var _serialize_binary = function (msg) {
        /**
         * implement the binary serialization protocol
         * serializes JSON message to ArrayBuffer
         */
        msg = _.clone(msg);
        var offsets = [];
        var buffers = [];
        var i;
        for (i = 0; i < msg.buffers.length; i++) {
            // msg.buffers elements could be either views or ArrayBuffers
            // buffers elements are ArrayBuffers
            var b = msg.buffers[i];
            buffers.push(b.buffer instanceof ArrayBuffer ? b.buffer : b);
        }
        delete msg.buffers;
        var json_utf8 = (new TextEncoder('utf8')).encode(JSON.stringify(msg));
        buffers.unshift(json_utf8);
        var nbufs = buffers.length;
        offsets.push(4 * (nbufs + 1));
        for (i = 0; i + 1 < buffers.length; i++) {
            offsets.push(offsets[offsets.length-1] + buffers[i].byteLength);
        }
        var msg_buf = new Uint8Array(
            offsets[offsets.length-1] + buffers[buffers.length-1].byteLength
        );
        // use DataView.setUint32 for network byte-order
        var view = new DataView(msg_buf.buffer);
        // write nbufs to first 4 bytes
        view.setUint32(0, nbufs);
        // write offsets to next 4 * nbufs bytes
        for (i = 0; i < offsets.length; i++) {
            view.setUint32(4 * (i+1), offsets[i]);
        }
        // write all the buffers at their respective offsets
        for (i = 0; i < buffers.length; i++) {
            msg_buf.set(new Uint8Array(buffers[i]), offsets[i]);
        }
        
        // return raw ArrayBuffer
        return msg_buf.buffer;
    };
    
    var serialize = function (msg) {
        if (msg.buffers && msg.buffers.length) {
            return _serialize_binary(msg);
        } else {
            return JSON.stringify(msg);
        }
    };
    
    var exports = {
        deserialize : deserialize,
        serialize: serialize
    };
    return exports;
});

// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.

define('services/kernels/kernel',[
    'jquery',
    'base/js/utils',
    './comm',
    './serialize',
    'base/js/events'
], function($, utils, comm, serialize, events) {
    "use strict";

    /**
     * A Kernel class to communicate with the Python kernel. This
     * should generally not be constructed directly, but be created
     * by.  the `Session` object. Once created, this object should be
     * used to communicate with the kernel.
     * 
     * Preliminary documentation for the REST API is at
     * https://github.com/ipython/ipython/wiki/IPEP-16%3A-Notebook-multi-directory-dashboard-and-URL-mapping#kernels-api
     * 
     * Documentation for the messaging specifications is at
     * https://jupyter-client.readthedocs.io/en/stable/messaging.html
     *
     * @class Kernel
     * @param {string} kernel_service_url - the URL to access the kernel REST api
     * @param {string} ws_url - the websockets URL
     * @param {string} name - the kernel type (e.g. python3)
     */
    var Kernel = function (kernel_service_url, ws_url, name) {
        this.events = events;

        this.id = null;
        this.name = name;
        this.ws = null;
        this._stopping = false;

        this.kernel_service_url = kernel_service_url;
        this.kernel_url = null;
        this.ws_url = ws_url || utils.get_body_data("wsUrl");
        if (!this.ws_url) {
            // trailing 's' in https will become wss for secure web sockets
            this.ws_url = location.protocol.replace('http', 'ws') + "//" + location.host;
        }

        this.username = "username";
        this.session_id = utils.uuid();
        this._msg_callbacks = {};
        this._msg_callbacks_overrides = {};
        this._display_id_to_parent_ids = {};
        this._msg_queue = Promise.resolve();
        this.info_reply = {}; // kernel_info_reply stored here after starting

        if (typeof(WebSocket) !== 'undefined') {
            this.WebSocket = WebSocket;
        } else if (typeof(MozWebSocket) !== 'undefined') {
            this.WebSocket = MozWebSocket;
        } else {
            alert('Your browser does not have WebSocket support, please try Chrome, Safari or Firefox ≥ 6. Firefox 4 and 5 are also supported by you have to enable WebSockets in about:config.');
        }
        
        this.bind_events();
        this.init_iopub_handlers();
        this.comm_manager = new comm.CommManager(this);
        
        this.last_msg_id = null;
        this.last_msg_callbacks = {};

        this._autorestart_attempt = 0;
        this._reconnect_attempt = 0;
        this.reconnect_limit = 7;
        
        this._pending_messages = [];
    };

    /**
     * @function _get_msg
     */
    Kernel.prototype._get_msg = function (msg_type, content, metadata, buffers) {
        var msg = {
            header : {
                date: new Date().toISOString(),
                msg_id : utils.uuid(),
                username : this.username,
                session : this.session_id,
                msg_type : msg_type,
                version : "5.2",
            },
            metadata : metadata || {},
            content : content,
            buffers : buffers || [],
            parent_header : {}
        };
        return msg;
    };

    /**
     * @function bind_events
     */
    Kernel.prototype.bind_events = function () {
        var that = this;
        this.events.on('send_input_reply.Kernel', function(evt, data) { 
            that.send_input_reply(data);
        });

        var record_status = function (evt, info) {
            console.log('Kernel: ' + evt.type + ' (' + info.kernel.id + ')');
        };

        this.events.on('kernel_created.Kernel', record_status);
        this.events.on('kernel_reconnecting.Kernel', record_status);
        this.events.on('kernel_connected.Kernel', record_status);
        this.events.on('kernel_starting.Kernel', record_status);
        this.events.on('kernel_restarting.Kernel', record_status);
        this.events.on('kernel_autorestarting.Kernel', record_status);
        this.events.on('kernel_interrupting.Kernel', record_status);
        this.events.on('kernel_disconnected.Kernel', record_status);
        // these are commented out because they are triggered a lot, but can
        // be uncommented for debugging purposes
        //this.events.on('kernel_idle.Kernel', record_status);
        //this.events.on('kernel_busy.Kernel', record_status);
        this.events.on('kernel_ready.Kernel', record_status);
        this.events.on('kernel_killed.Kernel', record_status);
        this.events.on('kernel_dead.Kernel', record_status);

        this.events.on('kernel_ready.Kernel', function () {
            that._autorestart_attempt = 0;
        });
        this.events.on('kernel_connected.Kernel', function () {
            that._reconnect_attempt = 0;
        });
    };

    /**
     * Initialize the iopub handlers.
     *
     * @function init_iopub_handlers
     */
    Kernel.prototype.init_iopub_handlers = function () {
        var output_msg_types = ['stream', 'display_data', 'execute_result', 'error', 'update_display_data'];
        this._iopub_handlers = {};
        this.register_iopub_handler('status', $.proxy(this._handle_status_message, this));
        this.register_iopub_handler('clear_output', $.proxy(this._handle_clear_output, this));
        this.register_iopub_handler('execute_input', $.proxy(this._handle_input_message, this));
        this.register_iopub_handler('shutdown_reply', $.proxy(this._handle_shutdown_message, this));
        
        for (var i=0; i < output_msg_types.length; i++) {
            this.register_iopub_handler(output_msg_types[i], $.proxy(this._handle_output_message, this));
        }
    };

    /**
     * GET /api/kernels
     *
     * Get the list of running kernels.
     *
     * @function list
     * @param {function} [success] - function executed on ajax success
     * @param {function} [error] - function executed on ajax error
     */
    Kernel.prototype.list = function (success, error) {
        utils.ajax(this.kernel_service_url, {
            processData: false,
            cache: false,
            type: "GET",
            dataType: "json",
            success: success,
            error: this._on_error(error)
        });
    };

    /**
     * POST /api/kernels
     *
     * Start a new kernel.
     *
     * In general this shouldn't be used -- the kernel should be
     * started through the session API. If you use this function and
     * are also using the session API then your session and kernel
     * WILL be out of sync!
     *
     * @function start
     * @param {params} [Object] - parameters to include in the query string
     * @param {function} [success] - function executed on ajax success
     * @param {function} [error] - function executed on ajax error
     */
    Kernel.prototype.start = function (params, success, error) {
        var url = this.kernel_service_url;
        var qs = $.param(params || {}); // query string for sage math stuff
        if (qs !== "") {
            url = url + "?" + qs;
        }

        this.events.trigger('kernel_starting.Kernel', {kernel: this});
        var that = this;
        var on_success = function (data, status, xhr) {
            that.events.trigger('kernel_created.Kernel', {kernel: that});
            that._kernel_created(data);
            if (success) {
                success(data, status, xhr);
            }
        };

        utils.ajax(url, {
            processData: false,
            cache: false,
            type: "POST",
            data: JSON.stringify({name: this.name}),
            contentType: 'application/json',
            dataType: "json",
            success: this._on_success(on_success),
            error: this._on_error(error)
        });

        return url;
    };

    /**
     * GET /api/kernels/[:kernel_id]
     *
     * Get information about the kernel.
     *
     * @function get_info
     * @param {function} [success] - function executed on ajax success
     * @param {function} [error] - function executed on ajax error
     */
    Kernel.prototype.get_info = function (success, error) {
        utils.ajax(this.kernel_url, {
            processData: false,
            cache: false,
            type: "GET",
            dataType: "json",
            success: this._on_success(success),
            error: this._on_error(error)
        });
    };

    /**
     * DELETE /api/kernels/[:kernel_id]
     *
     * Shutdown the kernel.
     *
     * If you are also using sessions, then this function should NOT be
     * used. Instead, use Session.delete. Otherwise, the session and
     * kernel WILL be out of sync.
     *
     * @function kill
     * @param {function} [success] - function executed on ajax success
     * @param {function} [error] - function executed on ajax error
     */
    Kernel.prototype.kill = function (success, error) {
        this.events.trigger('kernel_killed.Kernel', {kernel: this});
        this._kernel_dead();
        utils.ajax(this.kernel_url, {
            processData: false,
            cache: false,
            type: "DELETE",
            dataType: "json",
            success: this._on_success(success),
            error: this._on_error(error)
        });
    };

    /**
     * POST /api/kernels/[:kernel_id]/interrupt
     *
     * Interrupt the kernel.
     *
     * @function interrupt
     * @param {function} [success] - function executed on ajax success
     * @param {function} [error] - function executed on ajax error
     */
    Kernel.prototype.interrupt = function (success, error) {
        this.events.trigger('kernel_interrupting.Kernel', {kernel: this});

        var that = this;
        var on_success = function (data, status, xhr) {
            /**
             * get kernel info so we know what state the kernel is in
             */
            that.kernel_info();
            if (success) {
                success(data, status, xhr);
            }
        };

        var url = utils.url_path_join(this.kernel_url, 'interrupt');
        utils.ajax(url, {
            processData: false,
            cache: false,
            type: "POST",
            contentType: false,  // there's no data with this
            dataType: "json",
            success: this._on_success(on_success),
            error: this._on_error(error)
        });
    };

    Kernel.prototype.restart = function (success, error) {
        /**
         * POST /api/kernels/[:kernel_id]/restart
         *
         * Restart the kernel.
         *
         * @function interrupt
         * @param {function} [success] - function executed on ajax success
         * @param {function} [error] - function executed on ajax error
         */
        this.events.trigger('kernel_restarting.Kernel', {kernel: this});
        this.stop_channels();
        this._msg_callbacks = {};
        this._msg_callbacks_overrides = {};
        this._display_id_to_parent_ids = {};

        var that = this;
        var on_success = function (data, status, xhr) {
            that.events.trigger('kernel_created.Kernel', {kernel: that});
            that._kernel_created(data);
            if (success) {
                success(data, status, xhr);
            }
        };

        var on_error = function (xhr, status, err) {
            that.events.trigger('kernel_failed_restart.Kernel', {kernel: that});
            that._kernel_dead();
            if (error) {
                error(xhr, status, err);
            }
        };

        var url = utils.url_path_join(this.kernel_url, 'restart');
        utils.ajax(url, {
            processData: false,
            cache: false,
            type: "POST",
            contentType: false,  // there's no data with this
            dataType: "json",
            success: this._on_success(on_success),
            error: this._on_error(on_error)
        });
    };

    Kernel.prototype.reconnect = function () {
        /**
         * Reconnect to a disconnected kernel. This is not actually a
         * standard HTTP request, but useful function nonetheless for
         * reconnecting to the kernel if the connection is somehow lost.
         *
         * @function reconnect
         */
        if (this.is_connected()) {
            this.stop_channels();
        }
        this._reconnect_attempt = this._reconnect_attempt + 1;
        this.events.trigger('kernel_reconnecting.Kernel', {
            kernel: this,
            attempt: this._reconnect_attempt,
        });
        this.start_channels();
    };

    Kernel.prototype._on_success = function (success) {
        /**
         * Handle a successful AJAX request by updating the kernel id and
         * name from the response, and then optionally calling a provided
         * callback.
         *
         * @function _on_success
         * @param {function} success - callback
         */
        var that = this;
        return function (data, status, xhr) {
            if (data) {
                that.id = data.id;
                that.name = data.name;
            }
            that.kernel_url = utils.url_path_join(that.kernel_service_url,
                encodeURIComponent(that.id));
            if (success) {
                success(data, status, xhr);
            }
        };
    };

    Kernel.prototype._on_error = function (error) {
        /**
         * Handle a failed AJAX request by logging the error message, and
         * then optionally calling a provided callback.
         *
         * @function _on_error
         * @param {function} error - callback
         */
        return function (xhr, status, err) {
            utils.log_ajax_error(xhr, status, err);
            if (error) {
                error(xhr, status, err);
            }
        };
    };

    Kernel.prototype._kernel_created = function (data) {
        /**
         * Perform necessary tasks once the kernel has been started,
         * including actually connecting to the kernel.
         *
         * @function _kernel_created
         * @param {Object} data - information about the kernel including id
         */
        this.id = data.id;
        this.kernel_url = utils.url_path_join(this.kernel_service_url,
            encodeURIComponent(this.id));
        this.start_channels();
    };

    Kernel.prototype._kernel_connected = function () {
        /**
         * Perform necessary tasks once the connection to the kernel has
         * been established. This includes requesting information about
         * the kernel.
         *
         * @function _kernel_connected
         */
        this.events.trigger('kernel_connected.Kernel', {kernel: this});

        // Send pending messages. We shift the message off the queue
        // after the message is sent so that if there is an exception,
        // the message is still pending.
        while (this._pending_messages.length > 0) {
          this.ws.send(this._pending_messages[0]);
          this._pending_messages.shift();
        }

        // get kernel info so we know what state the kernel is in
        var that = this;
        this.kernel_info(function (reply) {
            that.info_reply = reply.content;
            that.events.trigger('kernel_ready.Kernel', {kernel: that});
        });
    };

    Kernel.prototype._kernel_dead = function () {
        /**
         * Perform necessary tasks after the kernel has died. This closing
         * communication channels to the kernel if they are still somehow
         * open.
         *
         * @function _kernel_dead
         */
        this.stop_channels();
    };

    Kernel.prototype.start_channels = function () {
        /**
         * Start the websocket channels.
         * Will stop and restart them if they already exist.
         *
         * @function start_channels
         */
        var that = this;
        this.stop_channels();
        var ws_host_url = this.ws_url + this.kernel_url;

        console.log("Starting WebSockets:", ws_host_url);

        this.ws = new this.WebSocket([
                that.ws_url,
                utils.url_path_join(that.kernel_url, 'channels'),
                "?session_id=" + that.session_id
            ].join('')
        );
        
        var already_called_onclose = false; // only alert once
        var ws_closed_early = function(evt){
            console.log("WebSocket closed early", evt);
            if (already_called_onclose){
                return;
            }
            already_called_onclose = true;
            // If the websocket was closed early, that could mean
            // that the kernel is actually dead. Try getting
            // information about the kernel from the API call --
            // if that fails, then assume the kernel is dead,
            // otherwise just follow the typical websocket closed
            // protocol.
            that.get_info(function () {
                that._ws_closed(ws_host_url, false);
            }, function () {
                that.events.trigger('kernel_dead.Kernel', {kernel: that});
                that._kernel_dead();
            });
        };
        var ws_closed_late = function(evt){
            console.log("WebSocket closed unexpectedly", evt);
            if (already_called_onclose){
                return;
            }
            already_called_onclose = true;
            that._ws_closed(ws_host_url, false);
        };
        var ws_error = function(evt){
            if (already_called_onclose){
                return;
            }
            already_called_onclose = true;
            that._ws_closed(ws_host_url, true);
        };

        this.ws.onopen = $.proxy(this._ws_opened, this);
        this.ws.onclose = ws_closed_early;
        this.ws.onerror = ws_error;
        // switch from early-close to late-close message after 1s
        setTimeout(function() {
            if (that.ws !== null && !that._stopping) {
                that.ws.onclose = ws_closed_late;
            }
        }, 1000);
        this.ws.onmessage = $.proxy(this._handle_ws_message, this);
    };

    Kernel.prototype._ws_opened = function (evt) {
        /**
         * Handle a websocket entering the open state,
         * signaling that the kernel is connected when websocket is open.
         *
         * @function _ws_opened
         */
        if (this.is_connected()) {
            // all events ready, trigger started event.
            this._kernel_connected();
        }
    };

    Kernel.prototype._ws_closed = function(ws_url, error) {
        /**
         * Handle a websocket entering the closed state.  If the websocket
         * was not closed due to an error, try to reconnect to the kernel.
         *
         * @function _ws_closed
         * @param {string} ws_url - the websocket url
         * @param {bool} error - whether the connection was closed due to an error
         */
        this.stop_channels();

        this.events.trigger('kernel_disconnected.Kernel', {kernel: this});
        if (error) {
            console.log('WebSocket connection failed: ', ws_url, error);
            this.events.trigger('kernel_connection_failed.Kernel', {
                kernel: this,
                ws_url: ws_url,
                attempt: this._reconnect_attempt,
                error: error,
            });
        }
        this._schedule_reconnect();
    };
    
    Kernel.prototype._schedule_reconnect = function () {
        /**
         * function to call when kernel connection is lost
         * schedules reconnect, or fires 'connection_dead' if reconnect limit is hit
         */
        if (this._reconnect_attempt < this.reconnect_limit) {
            var timeout = Math.pow(2, this._reconnect_attempt);
            console.log("Connection lost, reconnecting in " + timeout + " seconds.");
            setTimeout($.proxy(this.reconnect, this), 1e3 * timeout);
        } else {
            this.events.trigger('kernel_connection_dead.Kernel', {
                kernel: this,
                reconnect_attempt: this._reconnect_attempt,
            });
            console.log("Failed to reconnect, giving up.");
        }
    };
    
    Kernel.prototype.stop_channels = function () {
        /**
         * Close the websocket. After successful close, the value
         * in `this.ws` will be null.
         *
         * @function stop_channels
         */
        var that = this;
        var close = function () {
            that._stopping = false;
            if (that.ws && that.ws.readyState === WebSocket.CLOSED) {
                that.ws = null;
            }
        };
        if (this.ws !== null) {
            // flag to avoid races with on_close_late
            this._stopping = true;
            if (this.ws.readyState === WebSocket.OPEN) {
                this.ws.onclose = close;
                this.ws.close();
            } else {
                close();
            }
        }
    };

    Kernel.prototype.is_connected = function () {
        /**
         * Check whether there is a connection to the kernel. This
         * function only returns true if websocket has been
         * created and has a state of WebSocket.OPEN.
         *
         * @function is_connected
         * @returns {bool} - whether there is a connection
         */
        // if any channel is not ready, then we're not connected
        if (this.ws === null) {
            return false;
        }
        if (this.ws.readyState !== WebSocket.OPEN) {
            return false;
        }
        return true;
    };

    Kernel.prototype.is_fully_disconnected = function () {
        /**
         * Check whether the connection to the kernel has been completely
         * severed. This function only returns true if all channel objects
         * are null.
         *
         * @function is_fully_disconnected
         * @returns {bool} - whether the kernel is fully disconnected
         */
        return (this.ws === null);
    };
    
    Kernel.prototype._send = function(msg) {
      /**
       * Send a message (if the kernel is connected) or queue the message for future delivery
       *
       * Pending messages will automatically be sent when a kernel becomes connected.
       *
       * @function _send
       * @param msg
       */
      if (this.is_connected()) {
            this.ws.send(msg);
        } else {
            this._pending_messages.push(msg);
        }
    };
    
    Kernel.prototype.send_shell_message = function (msg_type, content, callbacks, metadata, buffers) {
        /**
         * Send a message on the Kernel's shell channel
         *
         * If the kernel is not connected, the message will be buffered.
         * 
         * @function send_shell_message
         */
        var msg = this._get_msg(msg_type, content, metadata, buffers);
        msg.channel = 'shell';
        this.set_callbacks_for_msg(msg.header.msg_id, callbacks);
        this._send(serialize.serialize(msg));
        return msg.header.msg_id;
    };

    Kernel.prototype.kernel_info = function (callback) {
        /**
         * Get kernel info
         *
         * @function kernel_info
         * @param callback {function}
         *
         * When calling this method, pass a callback function that expects one argument.
         * The callback will be passed the complete `kernel_info_reply` message documented
         * [here](https://jupyter-client.readthedocs.io/en/latest/messaging.html#kernel-info)
         */
        var callbacks;
        if (callback) {
            callbacks = { shell : { reply : callback } };
        }
        return this.send_shell_message("kernel_info_request", {}, callbacks);
    };

    Kernel.prototype.comm_info = function (target_name, callback) {
        /**
         * Get comm info
         *
         * @function comm_info
         * @param callback {function}
         *
         * When calling this method, pass a callback function that expects one argument.
         * The callback will be passed the complete `comm_info_reply` message documented
         * [here](https://jupyter-client.readthedocs.io/en/latest/messaging.html#comm_info)
         */
        var callbacks;
        if (callback) {
            callbacks = { shell : { reply : callback } };
        }
        var content = {
            target_name : target_name,
        };
        return this.send_shell_message("comm_info_request", content, callbacks);
    };

    Kernel.prototype.inspect = function (code, cursor_pos, callback) {
        /**
         * Get info on an object
         *
         * When calling this method, pass a callback function that expects one argument.
         * The callback will be passed the complete `inspect_reply` message documented
         * [here](https://jupyter-client.readthedocs.io/en/latest/messaging.html#object-information)
         *
         * @function inspect
         * @param code {string}
         * @param cursor_pos {integer}
         * @param callback {function}
         */
        var callbacks;
        if (callback) {
            callbacks = { shell : { reply : callback } };
        }
        
        var content = {
            code : code,
            cursor_pos : cursor_pos,
            detail_level : 0
        };
        return this.send_shell_message("inspect_request", content, callbacks);
    };

    Kernel.prototype.execute = function (code, callbacks, options) {
        /**
         * Execute given code into kernel, and pass result to callback.
         *
         * @async
         * @function execute
         * @param {string} code
         * @param [callbacks] {Object} With the following keys (all optional)
         *      @param callbacks.shell.reply {function}
         *      @param callbacks.shell.payload.[payload_name] {function}
         *      @param callbacks.iopub.output {function}
         *      @param callbacks.iopub.clear_output {function}
         *      @param callbacks.input {function}
         *      @param callbacks.clear_on_done=true {Boolean}
         * @param {object} [options]
         *      @param [options.silent=false] {Boolean}
         *      @param [options.user_expressions=empty_dict] {Dict}
         *      @param [options.allow_stdin=false] {Boolean} true|false
         *
         * @example
         *
         * The options object should contain the options for the execute
         * call. Its default values are:
         *
         *      options = {
         *        silent : true,
         *        user_expressions : {},
         *        allow_stdin : false
         *      }
         *
         * When calling this method pass a callbacks structure of the
         * form:
         *
         *      callbacks = {
         *       shell : {
         *         reply : execute_reply_callback,
         *         payload : {
         *           set_next_input : set_next_input_callback,
         *         }
         *       },
         *       iopub : {
         *         output : output_callback,
         *         clear_output : clear_output_callback,
         *       },
         *       input : raw_input_callback
         *      }
         *
         * Each callback will be passed the entire message as a single
         * argument.  Payload handlers will be passed the corresponding
         * payload and the execute_reply message.
         */
        var content = {
            code : code,
            silent : true,
            store_history : false,
            user_expressions : {},
            allow_stdin : false
        };
        callbacks = callbacks || {};
        if (callbacks.input !== undefined) {
            content.allow_stdin = true;
        }
        $.extend(true, content, options);
        this.events.trigger('execution_request.Kernel', {kernel: this, content: content});
        return this.send_shell_message("execute_request", content, callbacks);
    };

    /**
     * When calling this method, pass a function to be called with the
     * `complete_reply` message as its only argument when it arrives.
     *
     * `complete_reply` is documented
     * [here](https://jupyter-client.readthedocs.io/en/latest/messaging.html#complete)
     *
     * @function complete
     * @param code {string}
     * @param cursor_pos {integer}
     * @param callback {function}
     */
    Kernel.prototype.complete = function (code, cursor_pos, callback) {
        var callbacks;
        if (callback) {
            callbacks = { shell : { reply : callback } };
        }
        var content = {
            code : code,
            cursor_pos : cursor_pos
        };
        return this.send_shell_message("complete_request", content, callbacks);
    };

    /**
     * @function send_input_reply
     */
    Kernel.prototype.send_input_reply = function (input) {
        var content = {
            value : input
        };
        this.events.trigger('input_reply.Kernel', {kernel: this, content: content});
        var msg = this._get_msg("input_reply", content);
        msg.channel = 'stdin';
        this._send(serialize.serialize(msg));
        return msg.header.msg_id;
    };

    /**
     * @function register_iopub_handler
     */
    Kernel.prototype.register_iopub_handler = function (msg_type, callback) {
        this._iopub_handlers[msg_type] = callback;
    };

    /**
     * Get the iopub handler for a specific message type.
     *
     * @function get_iopub_handler
     */
    Kernel.prototype.get_iopub_handler = function (msg_type) {
        return this._iopub_handlers[msg_type];
    };

    /**
     * Get callbacks for a specific message.
     *
     * @function get_callbacks_for_msg
     */
    Kernel.prototype.get_callbacks_for_msg = function (msg_id) {
        if (msg_id == this.last_msg_id) {
            return this.last_msg_callbacks;
        } else {
            return this._msg_callbacks[msg_id];
        }
    };

    /**
     * Get output callbacks for a specific message.
     *
     * @function get_output_callbacks_for_msg
     *
     * Since output callbacks can be overridden, we first check the override stack.
     */
    Kernel.prototype.get_output_callbacks_for_msg = function (msg_id) {
        return this.get_callbacks_for_msg(this.get_output_callback_id(msg_id));
    };


    /**
     * Get the output callback id for a message
     *
     * Since output callbacks can be redirected, this may not be the same as
     * the msg_id.
     *
     * @function get_output_callback_id
     */
    Kernel.prototype.get_output_callback_id = function (msg_id) {
        var callback_id = msg_id;
        var overrides = this._msg_callbacks_overrides[msg_id];
        if (overrides && overrides.length > 0) {
            callback_id = overrides[overrides.length-1];
        }
        return callback_id
    }

    /**
     * Clear callbacks for a specific message.
     *
     * @function clear_callbacks_for_msg
     */
    Kernel.prototype.clear_callbacks_for_msg = function (msg_id) {
        if (this._msg_callbacks[msg_id] !== undefined ) {
            var callbacks = this._msg_callbacks[msg_id];
            var kernel = this;
            // clear display_id:msg_id map for display_ids associated with this msg_id
            if (!callbacks) return;
            callbacks.display_ids.map(function (display_id) {
                var msg_ids = kernel._display_id_to_parent_ids[display_id];
                if (msg_ids) {
                    var idx = msg_ids.indexOf(msg_id);
                    if (idx === -1) {
                        return;
                    }
                    if (msg_ids.length === 1) {
                        delete kernel._display_id_to_parent_ids[display_id];
                    } else {
                        msg_ids.splice(idx, 1);
                        kernel._display_id_to_parent_ids[display_id] = msg_ids;
                    }
                }
            });
            delete this._msg_callbacks[msg_id];
        }
    };
    
    /**
     * @function _finish_shell
     */
    Kernel.prototype._finish_shell = function (msg_id) {
        var callbacks = this._msg_callbacks[msg_id];
        if (callbacks !== undefined) {
            callbacks.shell_done = true;
            if (callbacks.clear_on_done && callbacks.iopub_done) {
                this.clear_callbacks_for_msg(msg_id);
            }
        }
    };

    /**
     * @function _finish_iopub
     */
    Kernel.prototype._finish_iopub = function (msg_id) {
        var callbacks = this._msg_callbacks[msg_id];
        if (callbacks !== undefined) {
            callbacks.iopub_done = true;
            if (callbacks.clear_on_done && callbacks.shell_done) {
                this.clear_callbacks_for_msg(msg_id);
            }
        }
        this.events.trigger('finished_iopub.Kernel', {kernel: this, msg_id: msg_id});
    };
    
    /**
     * Set callbacks for a particular message.
     * Callbacks should be a struct of the following form:
     * shell : {
     * 
     * }
     *
     * If the third parameter is truthy, the callback is set as the last
     * callback registered.
     *
     * @function set_callbacks_for_msg
     */
    Kernel.prototype.set_callbacks_for_msg = function (msg_id, callbacks, save) {
        var remember = save || true;
        if (remember) {
            this.last_msg_id = msg_id;
        }
        if (callbacks) {
            // shallow-copy mapping, because we will modify it at the top level
            var cbcopy = this._msg_callbacks[msg_id] = this.last_msg_callbacks = {};
            cbcopy.shell = callbacks.shell;
            cbcopy.iopub = callbacks.iopub;
            cbcopy.input = callbacks.input;
            cbcopy.clear_on_done = callbacks.clear_on_done;
            cbcopy.shell_done = (!callbacks.shell);
            cbcopy.iopub_done = (!callbacks.iopub);
            cbcopy.display_ids = [];
            if (callbacks.clear_on_done === undefined) {
                // default to clear-on-done
                cbcopy.clear_on_done = true;
            }
        } else if (remember) {
            this.last_msg_callbacks = {};
        }
    };

    /**
     * Override output callbacks for a particular msg_id
     */
    Kernel.prototype.output_callback_overrides_push = function(msg_id, callback_id) {
        var output_callbacks = this._msg_callbacks_overrides[msg_id];
        if (!output_callbacks) {
            this._msg_callbacks_overrides[msg_id] = output_callbacks = [];
        }
        output_callbacks.push(callback_id);
    }

    Kernel.prototype.output_callback_overrides_pop = function(msg_id) {
        var callback_ids = this._msg_callbacks_overrides[msg_id];
        if (!callback_ids) {
            console.error("Popping callback overrides, but none registered", msg_id);
            return;
        }
        return callback_ids.pop();
    }

    Kernel.prototype._handle_ws_message = function (e) {
        var that = this;
        this._msg_queue = this._msg_queue.then(function() {
            return serialize.deserialize(e.data);
        }).then(function(msg) {return that._finish_ws_message(msg);})
        .catch(function(error) { console.error("Couldn't process kernel message", error); });
    };

    Kernel.prototype._finish_ws_message = function (msg) {
        switch (msg.channel) {
            case 'shell':
                return this._handle_shell_reply(msg);
            case 'iopub':
                return this._handle_iopub_message(msg);
            case 'stdin':
                return this._handle_input_request(msg);
            default:
                console.error("unrecognized message channel", msg.channel, msg);
        }
    };
    
    Kernel.prototype._handle_shell_reply = function (reply) {
        this.events.trigger('shell_reply.Kernel', {kernel: this, reply:reply});
        var that = this;
        var content = reply.content;
        var metadata = reply.metadata;
        var parent_id = reply.parent_header.msg_id;
        var callbacks = this.get_callbacks_for_msg(parent_id);
        var promise = Promise.resolve();
        if (!callbacks || !callbacks.shell) {
            return;
        }
        var shell_callbacks = callbacks.shell;
        
        // signal that shell callbacks are done
        this._finish_shell(parent_id);
        
        if (shell_callbacks.reply !== undefined) {
            promise = promise.then(function() {return shell_callbacks.reply(reply);});
        }
        if (content.payload && shell_callbacks.payload) {
            promise = promise.then(function() {
                return that._handle_payloads(content.payload, shell_callbacks.payload, reply);
            });
        }
        return promise;
    };

    /**
     * @function _handle_payloads
     */
    Kernel.prototype._handle_payloads = function (payloads, payload_callbacks, msg) {
        var promise = [];
        var l = payloads.length;
        // Payloads are handled by triggering events because we don't want the Kernel
        // to depend on the Notebook or Pager classes.
        for (var i=0; i<l; i++) {
            var payload = payloads[i];
            var callback = payload_callbacks[payload.source];
            if (callback) {
                promise.push(callback(payload, msg));
            }
        }
        return Promise.all(promise);
    };

    /**
     * @function _handle_status_message
     */
    Kernel.prototype._handle_status_message = function (msg) {
        var execution_state = msg.content.execution_state;
        var parent_id = msg.parent_header.msg_id;
        
        // dispatch status msg callbacks, if any
        var callbacks = this.get_callbacks_for_msg(parent_id);
        if (callbacks && callbacks.iopub && callbacks.iopub.status) {
            try {
                callbacks.iopub.status(msg);
            } catch (e) {
                console.log("Exception in status msg handler", e, e.stack);
            }
        }
        
        if (execution_state === 'busy') {
            this.events.trigger('kernel_busy.Kernel', {kernel: this});

        } else if (execution_state === 'idle') {
            // signal that iopub callbacks are (probably) done
            // async output may still arrive,
            // but only for the most recent request
            this._finish_iopub(parent_id);
            
            // trigger status_idle event
            this.events.trigger('kernel_idle.Kernel', {kernel: this});

        } else if (execution_state === 'starting') {
            this.events.trigger('kernel_starting.Kernel', {kernel: this});
            var that = this;
            this.kernel_info(function (reply) {
                that.info_reply = reply.content;
                that.events.trigger('kernel_ready.Kernel', {kernel: that});
            });

        } else if (execution_state === 'restarting') {
            // autorestarting is distinct from restarting,
            // in that it means the kernel died and the server is restarting it.
            // kernel_restarting sets the notification widget,
            // autorestart shows the more prominent dialog.
            this._autorestart_attempt = this._autorestart_attempt + 1;
            this.events.trigger('kernel_restarting.Kernel', {kernel: this});
            this.events.trigger('kernel_autorestarting.Kernel', {kernel: this, attempt: this._autorestart_attempt});

        } else if (execution_state === 'dead') {
            this.events.trigger('kernel_dead.Kernel', {kernel: this});
            this._kernel_dead();
        }
    };
    
    /**
     * Handle clear_output message
     *
     * @function _handle_clear_output
     */
    Kernel.prototype._handle_clear_output = function (msg) {
        var callbacks = this.get_output_callbacks_for_msg(msg.parent_header.msg_id);
        if (!callbacks || !callbacks.iopub) {
            return;
        }
        var callback = callbacks.iopub.clear_output;
        if (callback) {
            callback(msg);
        }
    };

    /**
     * handle an output message (execute_result, display_data, etc.)
     *
     * @function _handle_output_message
     */
    Kernel.prototype._handle_output_message = function (msg) {
        var that = this;
        var msg_id = msg.parent_header.msg_id;
        var callbacks = this.get_output_callbacks_for_msg(msg_id);
        if (['display_data', 'update_display_data', 'execute_result'].indexOf(msg.header.msg_type) > -1) {
            // display_data messages may re-route based on their display_id
            var display_id = (msg.content.transient || {}).display_id;
            if (display_id) {
                // it has a display_id
                var parent_ids = this._display_id_to_parent_ids[display_id];
                if (parent_ids) {
                    // we've seen it before, update existing outputs with same display_id
                    // by handling display_data as update_display_data
                    var update_msg = $.extend(true, {}, msg);
                    update_msg.header.msg_type = 'update_display_data';

                    parent_ids.map(function (parent_id) {
                        var callbacks = that.get_callbacks_for_msg(parent_id);
                        if (!callbacks) return;
                        var callback = callbacks.iopub.output;
                        if (callback) {
                            callback(update_msg);
                        }
                    });
                }
                // we're done here if it's update_display
                if (msg.header.msg_type === 'update_display_data') {
                    // it's an update, don't proceed to the normal display
                    return;
                }
                // regular display_data with id, record it for future updating
                // in _display_id_to_parent_ids for future lookup
                if (this._display_id_to_parent_ids[display_id] === undefined) {
                    this._display_id_to_parent_ids[display_id] = [];
                }
                var callback_id = this.get_output_callback_id(msg_id);
                if (this._display_id_to_parent_ids[display_id].indexOf(callback_id) === -1) {
                    this._display_id_to_parent_ids[display_id].push(callback_id);
                }
                // and in callbacks for cleanup on clear_callbacks_for_msg
                if (callbacks && callbacks.display_ids.indexOf(display_id) === -1) {
                    callbacks.display_ids.push(display_id);
                }
            }
        }


        if (!callbacks || !callbacks.iopub) {
            // The message came from another client. Let the UI decide what to
            // do with it.
            this.events.trigger('received_unsolicited_message.Kernel', msg);
            return;
        }
        var callback = callbacks.iopub.output;
        if (callback) {
            callback(msg);
        }
    };

    /**
     * Handle an input message (execute_input).
     *
     * @function _handle_input message
     */
    Kernel.prototype._handle_input_message = function (msg) {
        var callbacks = this.get_callbacks_for_msg(msg.parent_header.msg_id);
        if (!callbacks) {
            // The message came from another client. Let the UI decide what to
            // do with it.
            this.events.trigger('received_unsolicited_message.Kernel', msg);
        }
    };


    /**
     * Handle a kernel shutdown message
     * @function _handle_shutdown_message
     */
    Kernel.prototype._handle_shutdown_message = function (msg) {
        if (!msg.content.restart) {
            this.events.trigger('kernel_dead.Kernel', {kernel: this});
            this._kernel_dead();
        }
    }


    /**
     * Dispatch IOPub messages to respective handlers. Each message
     * type should have a handler.
     *
     * @function _handle_iopub_message
     */
    Kernel.prototype._handle_iopub_message = function (msg) {
        var handler = this.get_iopub_handler(msg.header.msg_type);
        if (handler !== undefined) {
            return handler(msg);
        }
    };

    /**
     * @function _handle_input_request
     */
    Kernel.prototype._handle_input_request = function (request) {
        var header = request.header;
        var content = request.content;
        var metadata = request.metadata;
        var msg_type = header.msg_type;
        if (msg_type !== 'input_request') {
            console.log("Invalid input request!", request);
            return;
        }
        var callbacks = this.get_callbacks_for_msg(request.parent_header.msg_id);
        if (callbacks) {
            if (callbacks.input) {
                callbacks.input(request);
            }
        }
    };

    return {'Kernel': Kernel};
});

// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.

define('services/sessions/session',[
    'jquery',
    'base/js/utils',
    'services/kernels/kernel',
], function($, utils, kernel) {
    "use strict";

    /**
     * Session object for accessing the session REST api. The session
     * should be used to start kernels and then shut them down -- for
     * all other operations, the kernel object should be used.
     *
     * Preliminary documentation for the REST API is at
     * https://github.com/ipython/ipython/wiki/IPEP-16%3A-Notebook-multi-directory-dashboard-and-URL-mapping#sessions-api
     *
     * Options should include:
     *  - notebook_path: the path (not including name) to the notebook
     *  - kernel_name: the type of kernel (e.g. python3)
     *  - base_url: the root url of the notebook server
     *  - ws_url: the url to access websockets
     *  - notebook: Notebook object
     *
     * @class Session
     * @param {Object} options
     */
    var Session = function (options) {
        this.id = null;
        this.notebook_model = {
            path: options.notebook_path
        };
        this.kernel_model = {
            id: null,
            name: options.kernel_name
        };

        this.nbclassic_path = options.nbclassic_path;
        this.base_url = options.base_url;
        this.ws_url = options.ws_url;
        this.session_service_url = utils.url_path_join(this.base_url, 'api/sessions');
        this.session_url = null;

        this.notebook = options.notebook;
        this.kernel = null;
        this.events = options.notebook.events;

        this.bind_events();
    };

    Session.prototype.bind_events = function () {
        var that = this;
        var record_status = function (evt, info) {
            console.log('Session: ' + evt.type + ' (' + info.session.id + ')');
        };

        this.events.on('kernel_created.Session', record_status);
        this.events.on('kernel_dead.Session', record_status);
        this.events.on('kernel_killed.Session', record_status);

        // if the kernel dies, then also remove the session
        this.events.on('kernel_dead.Kernel', function () {
            that.delete();
        });
        this.events.on('kernel_failed_restart.Kernel', function () {
            that.notebook.start_session();
        });
    };


    // Public REST api functions

    /**
     * GET /api/sessions
     *
     * Get a list of the current sessions.
     *
     * @function list
     * @param {function} [success] - function executed on ajax success
     * @param {function} [error] - function executed on ajax error
     */
    Session.prototype.list = function (success, error) {
        utils.ajax(this.session_service_url, {
            processData: false,
            cache: false,
            type: "GET",
            dataType: "json",
            success: success,
            error: this._on_error(error)
        });
    };

    /**
     * POST /api/sessions
     *
     * Start a new session. This function can only executed once.
     *
     * @function start
     * @param {function} [success] - function executed on ajax success
     * @param {function} [error] - function executed on ajax error
     */
    Session.prototype.start = function (success, error) {
        var that = this;
        var on_success = function (data, status, xhr) {
            if (that.kernel) {
                that.kernel.name = that.kernel_model.name;
            } else {
                var kernel_service_url = utils.url_path_join(that.base_url, "api/kernels");
                that.kernel = new kernel.Kernel(kernel_service_url, that.ws_url, that.kernel_model.name);
            }
            that.events.trigger('kernel_created.Session', {session: that, kernel: that.kernel});
            that.kernel._kernel_created(data.kernel);
            if (success) {
                success(data, status, xhr);
            }
        };
        var on_error = function (xhr, status, err) {
            that.events.trigger('kernel_dead.Session', {session: that, xhr: xhr, status: status, error: err});
            if (error) {
                error(xhr, status, err);
            }
        };

        utils.ajax(this.session_service_url, {
            processData: false,
            cache: false,
            type: "POST",
            data: JSON.stringify(this._get_model()),
            contentType: 'application/json',
            dataType: "json",
            success: this._on_success(on_success),
            error: this._on_error(on_error)
        });
    };

    /**
     * GET /api/sessions/[:session_id]
     *
     * Get information about a session.
     *
     * @function get_info
     * @param {function} [success] - function executed on ajax success
     * @param {function} [error] - function executed on ajax error
     */
    Session.prototype.get_info = function (success, error) {
        utils.ajax(this.session_url, {
            processData: false,
            cache: false,
            type: "GET",
            dataType: "json",
            success: this._on_success(success),
            error: this._on_error(error)
        });
    };

    /**
     * PATCH /api/sessions/[:session_id]
     *
     * Rename or move a notebook. If the given name or path are
     * undefined, then they will not be changed.
     *
     * @function rename_notebook
     * @param {string} [path] - new notebook path
     * @param {function} [success] - function executed on ajax success
     * @param {function} [error] - function executed on ajax error
     */
    Session.prototype.rename_notebook = function (path, success, error) {
        if (path !== undefined) {
            this.notebook_model.path = path;
        }

        utils.ajax(this.session_url, {
            processData: false,
            cache: false,
            type: "PATCH",
            data: JSON.stringify(this._get_model()),
            contentType: 'application/json',
            dataType: "json",
            success: this._on_success(success),
            error: this._on_error(error)
        });
    };

    /**
     * DELETE /api/sessions/[:session_id]
     *
     * Kill the kernel and shutdown the session.
     *
     * @function delete
     * @param {function} [success] - function executed on ajax success
     * @param {function} [error] - function executed on ajax error
     */
    Session.prototype.delete = function (success, error) {
        if (this.kernel && this.kernel.is_connected()) {
            this.events.trigger('kernel_killed.Session', {session: this, kernel: this.kernel});
            this.kernel._kernel_dead();
        }

        utils.ajax(this.session_url, {
            processData: false,
            cache: false,
            type: "DELETE",
            dataType: "json",
            success: this._on_success(success),
            error: this._on_error(error)
        });
    };

    /**
     * Restart the session by deleting it and the starting it
     * fresh. If options are given, they can include any of the
     * following:
     *
     * - notebook_path - the path to the notebook
     * - kernel_name - the name (type) of the kernel
     *
     * @function restart
     * @param {Object} [options] - options for the new kernel
     * @param {function} [success] - function executed on ajax success
     * @param {function} [error] - function executed on ajax error
     */
    Session.prototype.restart = function (options, success, error) {
        var that = this;
        var start = function () {
            if (options && options.notebook_path) {
                that.notebook_model.path = options.notebook_path;
            }
            if (options && options.kernel_name) {
                that.kernel_model.name = options.kernel_name;
            }
            that.kernel_model.id = null;
            that.start(success, error);
        };
        this.delete(start, start);
    };

    // Helper functions

    /**
     * Get the data model for the session, which includes the notebook path
     * and kernel (name and id).
     *
     * @function _get_model
     * @returns {Object} - the data model
     */
    Session.prototype._get_model = function () {
        return {
            path: this.notebook_model.path,
            type: 'notebook',
            name: '',
            kernel: this.kernel_model
        };
    };

    /**
     * Update the data model from the given JSON object, which should
     * have attributes of `id`, `notebook`, and/or `kernel`. If
     * provided, the notebook data must include name and path, and the
     * kernel data must include name and id.
     *
     * @function _update_model
     * @param {Object} data - updated data model
     */
    Session.prototype._update_model = function (data) {
        if (data && data.id) {
            this.id = data.id;
            this.session_url = utils.url_path_join(this.session_service_url, this.id);
        }
        if (data && data.notebook) {
            this.notebook_model.path = data.path;
        }
        if (data && data.kernel) {
            this.kernel_model.name = data.kernel.name;
            this.kernel_model.id = data.kernel.id;
        }
    };

    /**
     * Handle a successful AJAX request by updating the session data
     * model with the response, and then optionally calling a provided
     * callback.
     *
     * @function _on_success
     * @param {function} success - callback
     */
    Session.prototype._on_success = function (success) {
        var that = this;
        return function (data, status, xhr) {
            that._update_model(data);
            if (success) {
                success(data, status, xhr);
            }
        };
    };

    /**
     * Handle a failed AJAX request by logging the error message, and
     * then optionally calling a provided callback.
     *
     * @function _on_error
     * @param {function} error - callback
     */
    Session.prototype._on_error = function (error) {
        return function (xhr, status, err) {
            utils.log_ajax_error(xhr, status, err);
            if (error) {
                error(xhr, status, err);
            }
        };
    };

    /**
     * Error type indicating that the session is already starting.
     */
    var SessionAlreadyStarting = function (message) {
        this.name = "SessionAlreadyStarting";
        this.message = (message || "");
    };

    SessionAlreadyStarting.prototype = Error.prototype;

    return {
        Session: Session,
        SessionAlreadyStarting: SessionAlreadyStarting
    };
});

// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: https://codemirror.net/LICENSE

(function(mod) {
  if (typeof exports == "object" && typeof module == "object") // CommonJS
    mod(require("../../lib/codemirror"));
  else if (typeof define == "function" && define.amd) // AMD
    define('codemirror/addon/runmode/runmode',["../../lib/codemirror"], mod);
  else // Plain browser env
    mod(CodeMirror);
})(function(CodeMirror) {
"use strict";

CodeMirror.runMode = function(string, modespec, callback, options) {
  var mode = CodeMirror.getMode(CodeMirror.defaults, modespec);
  var tabSize = (options && options.tabSize) || CodeMirror.defaults.tabSize;

  // Create a tokenizing callback function if passed-in callback is a DOM element.
  if (callback.appendChild) {
    var ie = /MSIE \d/.test(navigator.userAgent);
    var ie_lt9 = ie && (document.documentMode == null || document.documentMode < 9);
    var node = callback, col = 0;
    node.innerHTML = "";
    callback = function(text, style) {
      if (text == "\n") {
        // Emitting LF or CRLF on IE8 or earlier results in an incorrect display.
        // Emitting a carriage return makes everything ok.
        node.appendChild(document.createTextNode(ie_lt9 ? '\r' : text));
        col = 0;
        return;
      }
      var content = "";
      // replace tabs
      for (var pos = 0;;) {
        var idx = text.indexOf("\t", pos);
        if (idx == -1) {
          content += text.slice(pos);
          col += text.length - pos;
          break;
        } else {
          col += idx - pos;
          content += text.slice(pos, idx);
          var size = tabSize - col % tabSize;
          col += size;
          for (var i = 0; i < size; ++i) content += " ";
          pos = idx + 1;
        }
      }
      // Create a node with token style and append it to the callback DOM element.
      if (style) {
        var sp = node.appendChild(document.createElement("span"));
        sp.className = "cm-" + style.replace(/ +/g, " cm-");
        sp.appendChild(document.createTextNode(content));
      } else {
        node.appendChild(document.createTextNode(content));
      }
    };
  }

  var lines = CodeMirror.splitLines(string), state = (options && options.state) || CodeMirror.startState(mode);
  for (var i = 0, e = lines.length; i < e; ++i) {
    if (i) callback("\n");
    var stream = new CodeMirror.StringStream(lines[i], null, {
      lookAhead: function(n) { return lines[i + n] },
      baseToken: function() {}
    });
    if (!stream.string && mode.blankLine) mode.blankLine(state);
    while (!stream.eol()) {
      var style = mode.token(stream, state);
      callback(stream.current(), style, i, stream.start, state);
      stream.start = stream.pos;
    }
  }
};

});

// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.

define('notebook/js/tooltip',[
    'jquery',
    'base/js/utils',
    'base/js/i18n'
], function($, utils, i18n) {
    "use strict";

    // tooltip constructor
    var Tooltip = function (events) {
        var that = this;
        this.events = events;
        this.time_before_tooltip = 1200;

        // handle to html
        this.tooltip = $('#tooltip');
        this._hidden = true;

        // variable for consecutive call
        this._old_cell = null;
        this._old_request = null;
        this._consecutive_counter = 0;

        // 'sticky ?'
        this._sticky = false;

        // display tooltip if the docstring is empty?
        this._hide_if_no_docstring = false;

        // contain the button in the upper right corner
        this.buttons = $('<div/>').addClass('tooltipbuttons');

        // will contain the docstring
        this.text = $('<div/>').addClass('tooltiptext').addClass('smalltooltip');

        // build the buttons menu on the upper right
        // expand the tooltip to see more
        var expandlink = $('<a/>').attr('href', "#").attr('role', "button").addClass('ui-button')
        .attr('id', 'expanbutton').attr('title', i18n.msg._('Grow the tooltip vertically (press shift-tab twice)')).click(function () {
            that.expand();
            event.preventDefault();
        }).append(
        $('<span/>').text('Expand').addClass('ui-icon').addClass('ui-icon-plus'));

        // open in pager
        var morelink = $('<a/>').attr('href', "#").attr('role', "button").addClass('ui-button').attr('title', i18n.msg._('show the current docstring in pager (press shift-tab 4 times)'));
        var morespan = $('<span/>').text(i18n.msg._('Open in Pager')).addClass('ui-icon').addClass('ui-icon-arrowstop-l-n');
        morelink.append(morespan);
        morelink.click(function () {
            that.showInPager(that._old_cell);
            event.preventDefault();
        });

        // close the tooltip
        var closelink = $('<a/>').attr('href', "#").attr('role', "button").addClass('ui-button');
        var closespan = $('<span/>').text(i18n.msg._('Close')).addClass('ui-icon').addClass('ui-icon-close');
        closelink.append(closespan);
        closelink.click(function () {
            that.remove_and_cancel_tooltip(true);
            event.preventDefault();
        });

        this._clocklink = $('<a/>').attr('href', "#");
        this._clocklink.attr('role', "button");
        this._clocklink.addClass('ui-button');
        this._clocklink.attr('title', i18n.msg._('Tooltip will linger for 10 seconds while you type'));
        var clockspan = $('<span/>').text(i18n.msg._('Close'));
        clockspan.addClass('ui-icon');
        clockspan.addClass('ui-icon-clock');
        this._clocklink.append(clockspan);
        this._clocklink.click(function () {
            that.cancel_stick();
            event.preventDefault();
        });




        //construct the tooltip
        // add in the reverse order you want them to appear
        this.buttons.append(closelink);
        this.buttons.append(expandlink);
        this.buttons.append(morelink);
        this.buttons.append(this._clocklink);
        this._clocklink.hide();


        // we need a phony element to make the small arrow
        // of the tooltip in css
        // we will move the arrow later
        this.arrow = $('<div/>').addClass('pretooltiparrow');
        this.tooltip.append(this.buttons);
        this.tooltip.append(this.arrow);
        this.tooltip.append(this.text);

        // function that will be called if you press tab 1, 2, 3... times in a row
        this.tabs_functions = [function (cell, text, cursor) {
            that._request_tooltip(cell, text, cursor);
        }, function () {
            that.expand();
        }, function () {
            that.stick();
        }, function (cell) {
            that.cancel_stick();
            that.showInPager(cell);
        }];
        // call after all the tabs function above have bee call to clean their effects
        // if necessary
        this.reset_tabs_function = function (cell, text) {
            this._old_cell = (cell) ? cell : null;
            this._old_request = (text) ? text : null;
            this._consecutive_counter = 0;
        };
    };

    Tooltip.prototype.is_visible = function () {
        return !this._hidden;
    };

    Tooltip.prototype.showInPager = function (cell) {
        /**
         * reexecute last call in pager by appending ? to show back in pager
         */
        this.events.trigger('open_with_text.Pager', this._reply.content);
        this.remove_and_cancel_tooltip();
    };

    // grow the tooltip vertically
    Tooltip.prototype.expand = function () {
        this.text.removeClass('smalltooltip');
        this.text.addClass('bigtooltip');
        $('#expanbutton').hide('slow');
    };

    // deal with all the logic of hiding the tooltip
    // and reset its status
    Tooltip.prototype._hide = function () {
        this._hidden = true;
        this.tooltip.fadeOut('fast');
        $('#expanbutton').show('slow');
        this.text.removeClass('bigtooltip');
        this.text.addClass('smalltooltip');
        // keep scroll top to be sure to always see the first line
        this.text.scrollTop(0);
        this.code_mirror = null;
    };

    // return true on successfully removing a visible tooltip; otherwise return
    // false.
    Tooltip.prototype.remove_and_cancel_tooltip = function (force) {
        /**
         * note that we don't handle closing directly inside the calltip
         * as in the completer, because it is not focusable, so won't
         * get the event.
         */
        this.cancel_pending();
        if (!this._hidden) {
          if (force || !this._sticky) {
              this.cancel_stick();
              this._hide();
          }
          this.reset_tabs_function();
          return true;
        } else {
          return false;
        }
    };

    // cancel autocall done after '(' for example.
    Tooltip.prototype.cancel_pending = function () {
        if (this._tooltip_timeout !== null) {
            clearTimeout(this._tooltip_timeout);
            this._tooltip_timeout = null;
        }
    };

    // will trigger tooltip after timeout
    Tooltip.prototype.pending = function (cell, hide_if_no_docstring) {
        var that = this;
        this._tooltip_timeout = setTimeout(function () {
            that.request(cell, hide_if_no_docstring);
        }, that.time_before_tooltip);
    };

    // easy access for julia monkey patching.
    Tooltip.last_token_re = /[a-z_][0-9a-z._]*$/gi;

    Tooltip.prototype._request_tooltip = function (cell, text, cursor_pos) {
        var callbacks = $.proxy(this._show, this);
        var msg_id = cell.kernel.inspect(text, cursor_pos, callbacks);
    };

    // make an immediate completion request
    Tooltip.prototype.request = function (cell, hide_if_no_docstring) {
        /**
         * request(codecell)
         * Deal with extracting the text from the cell and counting
         * call in a row
         */
        this.cancel_pending();
        var editor = cell.code_mirror;
        var cursor = editor.getCursor();
        var text = cell.get_text();
        var cursor_pos = utils.js_idx_to_char_idx(editor.indexFromPos(cursor), text);

        this._hide_if_no_docstring = hide_if_no_docstring;

        if(editor.somethingSelected()){
            // get only the most recent selection.
            text = editor.getSelection();
        }

        // need a permanent handle to code_mirror for future auto recall
        this.code_mirror = editor;

        // now we treat the different number of keypress
        // first if same cell, same text, increment counter by 1
        if (this._old_cell == cell && this._old_request == text && this._hidden === false) {
            this._consecutive_counter++;
        } else {
            // else reset
            this.cancel_stick();
            this.reset_tabs_function (cell, text);
        }

        this.tabs_functions[this._consecutive_counter](cell, text, cursor_pos);

        // then if we are at the end of list function, reset
        if (this._consecutive_counter == this.tabs_functions.length) {
            this.reset_tabs_function (cell, text, cursor);
        }

        return;
    };

    // cancel the option of having the tooltip to stick
    Tooltip.prototype.cancel_stick = function () {
        clearTimeout(this._stick_timeout);
        this._stick_timeout = null;
        this._clocklink.hide('slow');
        this._sticky = false;
    };

    // put the tooltip in a sticky state for 10 seconds
    // it won't be removed by remove_and_cancel() unless you called with
    // the first parameter set to true.
    // remove_and_cancel_tooltip(true)
    Tooltip.prototype.stick = function (time) {
        time = (time !== undefined) ? time : 10;
        var that = this;
        this._sticky = true;
        this._clocklink.show('slow');
        this._stick_timeout = setTimeout(function () {
            that._sticky = false;
            that._clocklink.hide('slow');
        }, time * 1000);
    };

    // should be called with the kernel reply to actually show the tooltip
    Tooltip.prototype._show = function (reply) {
        /**
         * move the bubble if it is not hidden
         * otherwise fade it
         */
        this._reply = reply;
        var content = reply.content;
        if (!content.found) {
            // object not found, nothing to show
            return;
        }
        this.name = content.name;

        // do some math to have the tooltip arrow on more or less on left or right
        // position of the editor
        var cm_pos = $(this.code_mirror.getWrapperElement()).position();
        var cell_pos = $(this.code_mirror.getWrapperElement().offsetParent).position();

        // anchor and head positions are local within CodeMirror element
        var anchor = this.code_mirror.cursorCoords(false, 'local');
        var head = this.code_mirror.cursorCoords(true, 'local');
        // locate the target at the center of anchor, head
        var center_left = (head.left + anchor.left) / 2;
        // locate the left edge of the tooltip, at most 450 px left of the arrow
        var edge_left = Math.max(center_left - 450, 0);
        // locate the arrow at the cursor. A 24 px offset seems necessary.
        var arrow_left = center_left - edge_left - 24;
        
        // locate left, top within container element
        var left = (cell_pos.left + cm_pos.left + edge_left) + 'px';
        var top = (cell_pos.top + cm_pos.top + head.bottom + 10) + 'px';

        if (this._hidden === false) {
            this.tooltip.animate({
                left: left,
                top: top
            });
        } else {
            this.tooltip.css({
                left: left
            });
            this.tooltip.css({
                top: top
            });
        }
        this.arrow.animate({
            'left': arrow_left + 'px'
        });
        
        this._hidden = false;
        this.tooltip.fadeIn('fast');
        this.text.children().remove();
        
        // This should support rich data types, but only text/plain for now
        // Any HTML within the docstring is escaped by the fixConsole() method.
        var pre = $('<pre/>').html(utils.fixConsole(content.data['text/plain']));
        this.text.append(pre);
        // keep scroll top to be sure to always see the first line
        this.text.scrollTop(0);
    };

    return {'Tooltip': Tooltip};
});

// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.

define('notebook/js/celltoolbarpresets/default',[
    'notebook/js/celltoolbar',
    'base/js/dialog',
    'base/js/i18n'
], function(celltoolbar, dialog, i18n) {
    "use strict";

    var CellToolbar = celltoolbar.CellToolbar;

    var raw_edit = function (cell , edit_metadata_button) {
        dialog.edit_metadata({
            md: cell.metadata,
            callback: function (md) {
                cell.metadata = md;
            },
            name: i18n.msg._('Cell'),
            notebook: this.notebook,
            keyboard_manager: this.keyboard_manager,
            edit_metadata_button: edit_metadata_button
        });
    };

    var add_raw_edit_button = function(div, cell) {
        var button_container = $(div);
        var button = $('<button/>')
            .addClass("btn btn-default btn-xs")
            .text(i18n.msg._("Edit Metadata"))
            .click( function () {
                raw_edit(cell, this);
                return false;
            });

        button_container.append(button);
    };

    var register = function (notebook) {
        CellToolbar.register_callback('default.rawedit', add_raw_edit_button);
        raw_edit = $.proxy(raw_edit, {
            notebook: notebook,
            keyboard_manager: notebook.keyboard_manager
        });

        var example_preset = [];
        example_preset.push('default.rawedit');

        CellToolbar.register_preset(i18n.msg._('Edit Metadata'), example_preset, notebook);
    };
    return {'register': register};
});

// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.

define('notebook/js/celltoolbarpresets/rawcell',[
    'notebook/js/celltoolbar',
    'base/js/dialog',
    'base/js/keyboard',
    'base/js/i18n'
], function(celltoolbar, dialog, keyboard, i18n) {
    "use strict";

  var CellToolbar = celltoolbar.CellToolbar;
  var raw_cell_preset = [];

  var select_type = CellToolbar.utils.select_ui_generator([
    [i18n.msg._("None"), "-"],
    ["LaTeX", "text/latex"],
    ["reST", "text/restructuredtext"],
    ["HTML", "text/html"],
    ["Markdown", "text/markdown"],
    ["Python", "text/x-python"],
    [i18n.msg._("Custom"), "dialog"],

    ],
      // setter
      function(cell, value) {
        if (value === "-") {
          delete cell.metadata.raw_mimetype;
        } else if (value === 'dialog') {
            var message =
                i18n.msg._("Set the MIME type of the raw cell:");

            var mimeinput = $('<input/>')
                .attr('type', 'text')
                .attr('size', '25')
                .attr('name', 'mimetype')
                .val(cell.metadata.raw_mimetype || "-");

            var dialogform = $('<div/>').attr('title', i18n.msg._("Edit MIME type"))
                .append(
                    $('<form/>').append(
                        $('<fieldset/>').append(
                            $('<label/>')
                            .attr('for', 'mimetype')
                            .text(message)
                            )
                        .append($('<br/>'))
                        .append(mimeinput)
                        )
                );

            dialog.modal({
                title: i18n.msg._("Raw Cell MIME Type"),
                body: dialogform,
                buttons : {
                    Cancel: {},
                    OK: {
                        class: "btn-primary",
                        click: function () {
                            console.log(cell);
                            cell.metadata.raw_mimetype = $(this).find('input').val();
                            console.log(cell.metadata);
                        }
                    }
                },
                notebook: cell.notebook,
                keyboard_manager: cell.keyboard_manager,
                open : function (event, ui) {
                    var that = $(this);
                    // Upon ENTER, click the OK button.
                    that.find('input[type="text"]').keydown(function (event, ui) {
                        if (event.which === keyboard.keycodes.enter) {
                            that.find('.btn-primary').first().click();
                            return false;
                        }
                    });
                    that.find('input[type="text"]').focus().select();
                }
            });
        } else {
          cell.metadata.raw_mimetype = value;
        }
      },
      //getter
      function(cell) {
        return cell.metadata.raw_mimetype || "";
      },
      // name
      i18n.msg._("Raw NBConvert Format")
  );

  var register = function (notebook) {
    CellToolbar.register_callback('raw_cell.select', select_type, ['raw']);
    raw_cell_preset.push('raw_cell.select');

    CellToolbar.register_preset(i18n.msg._('Raw Cell Format'), raw_cell_preset, notebook);
  };
  return {'register': register};

});

// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.

define('notebook/js/celltoolbarpresets/slideshow',[
    'notebook/js/celltoolbar',
    'base/js/i18n'
], function(celltoolbar, i18n) {
    "use strict";

    var CellToolbar = celltoolbar.CellToolbar;
    var slideshow_preset = [];

    var select_type = CellToolbar.utils.select_ui_generator([
            ["-"            ,"-"            ],
            [i18n.msg._("Slide")        ,"slide"        ],
            [i18n.msg._("Sub-Slide")    ,"subslide"     ],
            [i18n.msg._("Fragment")     ,"fragment"     ],
            [i18n.msg._("Skip")         ,"skip"         ],
            [i18n.msg._("Notes")        ,"notes"        ],
            ],
            // setter
            function(cell, value){
                // we check that the slideshow namespace exist and create it if needed
                if (cell.metadata.slideshow === undefined){cell.metadata.slideshow = {};}
                // set the value
                cell.metadata.slideshow.slide_type = value;
                },
            // getter
            function(cell){ var ns = cell.metadata.slideshow;
                // if the slideshow namespace does not exist return `undefined`
                // (will be interpreted as `false` by checkbox) otherwise
                // return the value
                return (ns === undefined)? undefined: ns.slide_type;
                },
            i18n.msg._("Slide Type"));

    var register = function (notebook) {
        CellToolbar.register_callback('slideshow.select',select_type);
        slideshow_preset.push('slideshow.select');

        CellToolbar.register_preset(i18n.msg._('Slideshow'),slideshow_preset, notebook);
    };
    return {'register': register};
});

// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.

define('notebook/js/celltoolbarpresets/attachments',[
    'notebook/js/celltoolbar',
    'base/js/dialog',
    'base/js/i18n'
], function(celltoolbar, dialog, i18n) {
    "use strict";

    var CellToolbar = celltoolbar.CellToolbar;

    var edit_attachments_dialog = function(cell) {
        dialog.edit_attachments({
          attachments: cell.attachments,
          callback: function(attachments) {
            cell.attachments = attachments;
            // Force cell refresh
            cell.unrender();
            cell.render();
          },
          name: 'Cell',
          notebook: cell.notebook,
          keyboard_manager: cell.keyboard_manager
        });
    };

    var add_dialog_button = function(div, cell) {
        var button_container = $(div);
        var button = $('<button />')
            .addClass('btn btn-default btn-xs')
            .text(i18n.msg._('Edit Attachments'))
            .click( function() {
              edit_attachments_dialog(cell);
              return false;
            });
        button_container.append(button);
    };

    var register = function(notebook) {
      CellToolbar.register_callback('attachments.edit', add_dialog_button);

      var attachments_preset = [];
      attachments_preset.push('attachments.edit');

      CellToolbar.register_preset(i18n.msg._('Attachments'), attachments_preset, notebook);

    };
    return {'register' : register};
});

// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.

define('notebook/js/celltoolbarpresets/tags',[
    'notebook/js/celltoolbar',
    'base/js/dialog',
    'base/js/i18n'
], function(celltoolbar, dialog, i18n) {
    "use strict";

    var CellToolbar = celltoolbar.CellToolbar;

    var array_difference = function(a, b) {
        return a.filter(function(n) {
            return b.indexOf(n) === -1;
        });
    };

    var write_tag = function(cell, name, add) {
        if (add) {
            // Add to metadata
            if (cell.metadata.tags === undefined) {
                cell.metadata.tags = [];
            } else if (cell.metadata.tags.indexOf(name) !== -1) {
                // Tag already exists
                return false;
            }
            cell.metadata.tags.push(name);
        } else {
            // Remove from metadata
            if (!cell.metadata || !cell.metadata.tags) {
                // No tags to remove
                return false;
            }
            // Remove tag from tags list
            var index = cell.metadata.tags.indexOf(name);
            if (index !== -1) {
                cell.metadata.tags.splice(index, 1);
            }
            // If tags list is empty, remove it
            if (cell.metadata.tags.length === 0) {
                delete cell.metadata.tags;
            }
        }
        cell.events.trigger('set_dirty.Notebook', {value: true});
        return true;
    };

    var preprocess_input = function(input) {
        // Split on whitespace + commas:
        return input.split(/[,\s]+/)
    };

    var add_tag = function(cell, tag_container, on_remove) {
        return function(name) {
            if (name === '') {
                // Skip empty strings
                return;
            }
            // Write tag to metadata
            var changed = write_tag(cell, name, true);

            if (changed) {
                // Make tag UI
                var tag = make_tag(name, on_remove, cell.is_editable());
                tag_container.append(tag);
                var tag_map = jQuery.data(tag_container, "tag_map") || {};
                tag_map[name] = tag;
                jQuery.data(tag_container, 'tag_map', tag_map);
            }
        };
    };

    var remove_tag = function(cell, tag_container) {
        return function(name) {
            var changed = write_tag(cell, name, false);
            if (changed) {
                // Remove tag UI
                var tag_map = jQuery.data(tag_container, "tag_map") || {};
                var tag_UI = tag_map[name];
                delete tag_map[name];
                tag_UI.remove();
            }
        };
    };

    var init_tag_container = function(cell, tag_container, on_remove) {    
        var tag_list = cell.metadata.tags || [];
        if (!Array.isArray(tag_list)) {
            // We cannot make tags UI for this cell!
            // Maybe someone else used "tags" for something?
            return false;  // Fail gracefully
        }

        var tag_map = {};
        for (var i=0; i < tag_list.length; ++i) {
            var tag_name = tag_list[i];
            if (typeof tag_name !== 'string') {
                // Unexpected type, disable toolbar for safety
                return false;
            }
            var tag = make_tag(tag_name, on_remove, cell.is_editable());
            tag_container.append(tag);
            tag_map[tag_name] = tag;
        }
        jQuery.data(tag_container, 'tag_map', tag_map);
        return true;
    };

    var make_tag = function(name, on_remove, is_editable) {
        var tag_UI = $('<span/>')
            .addClass('cell-tag')
            .text(name);

        if(is_editable){
            var remove_button = $('<i/>')
                .addClass('remove-tag-btn')
                .addClass('fa fa-times')
                .click(function () {
                    on_remove(name);
                    return false;
                });
            tag_UI.append(remove_button);
        }
        return tag_UI;
    };

    // Single edit with button to add tags
    var add_tag_edit = function(div, cell, on_add, on_remove) {
        var button_container = $(div);

        var text = $('<input/>').attr('type', 'text');
        var button = $('<button />')
            .addClass('btn btn-default btn-xs')
            .text(i18n.msg._('Add tag'))
            .click(function() {
                var tags = preprocess_input(text[0].value);
                for (var i=0; i < tags.length; ++i) {
                    on_add(tags[i]);
                }
                // Clear input after adding:
                text[0].value = '';
                return false;
            });
        // Wire enter in input to button click
        text.keyup(function(event){
            if(event.keyCode == 13){
                button.click();
            }
        });
        var input_container = $('<span/>')
            .addClass('tags-input');
        add_dialog_button(input_container, cell, on_add, on_remove);
        button_container.append(input_container
                .append(text)
                .append(button)
            );
        IPython.keyboard_manager.register_events(text);
    };

    var tag_dialog = function(cell, on_add, on_remove) {
        var tag_list = cell.metadata.tags || [];

        var message =
            i18n.msg._("Edit the list of tags below. All whitespace " +
            "is treated as tag separators.");

        var textarea = $('<textarea/>')
            .attr('aria-label', i18n.msg._('Edit the tags in the text area'))
            .attr('rows', '13')
            .attr('cols', '80')
            .attr('name', 'tags')
            .text(tag_list.join('\n'));

        var dialogform = $('<div/>').attr('title', i18n.msg._('Edit the tags'))
            .append(
                $('<form/>').append(
                    $('<fieldset/>').append(
                        $('<label/>')
                        .attr('for','tags')
                        .text(message)
                        )
                    .append($('<br/>'))
                    .append(textarea)
                    )
            );

        var modal_obj = dialog.modal({
            title: i18n.msg._("Edit Tags"),
            body: dialogform,
            default_button: "Cancel",
            buttons: {
                Cancel: {},
                Edit: { class : "btn-primary",
                    click: function() {
                        var old_tags = cell.metadata.tags || [];
                        var new_tags = preprocess_input(textarea[0].value);
                        var added_tags = array_difference(new_tags, old_tags);
                        var removed_tags = array_difference(old_tags, new_tags);
                        for (var i=0; i < added_tags.length; ++i) {
                            on_add(added_tags[i]);
                        }
                        for (var i=0; i < removed_tags.length; ++i) {
                            on_remove(removed_tags[i]);
                        }
                    }
                }
            },
            notebook: cell.notebook,
            keyboard_manager: cell.keyboard_manager,
        });
    };

    var add_dialog_button = function(container, cell, on_add, on_remove) {
        var button = $('<button />')
            .addClass('btn btn-default btn-xs tags-dialog-btn')
            .text('...')
            .click( function() {
              tag_dialog(cell, on_add, on_remove);
              return false;
            });
        container.append(button);
    };

    var add_tags_cellbar = function(div, cell) {
        var button_container = $(div);

        button_container.addClass('tags_button_container');

        var tag_container = $('<span/>').
            addClass('tag-container');
        var on_remove = remove_tag(cell, tag_container);
        var ok = init_tag_container(cell, tag_container, on_remove);
        if (!ok) {
            return;
        }
        button_container.append(tag_container);

        var on_add = add_tag(cell, tag_container, on_remove);
        if(cell.is_editable()){
            add_tag_edit(div, cell, on_add, on_remove);
        }
    };

    var register = function(notebook) {
      CellToolbar.register_callback('tags.edit', add_tags_cellbar);

      var tags_preset = [];
      tags_preset.push('tags.edit');

      CellToolbar.register_preset('Tags', tags_preset, notebook);

    };
    return {'register' : register};
});

// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.
define('notebook/js/scrollmanager',['jquery'], function($) {
    "use strict";

    var ScrollManager = function(notebook, options) {
        /**
         * Public constructor.
         */
        this.notebook = notebook;
        this.element = $('#site');
        options = options || {};
        this.animation_speed = options.animation_speed || 250; //ms
    };

    ScrollManager.prototype.onScroll = function (func, rate) {
        /**
         * Register a function to be called when the page is scrolled, throttled
         * at a particular rate limit.
         */
         rate = rate || 100; // default rate limit
         this.element.scroll(function () {
             clearTimeout(func._timeout);
             func._timeout = setTimeout(func, rate);
         });
    };

    ScrollManager.prototype.scroll = function (delta) {
        /**
         * Scroll the document.
         *
         * Parameters
         * ----------
         * delta: integer
         *  direction to scroll the document.  Positive is downwards. 
         *  Unit is one page length.
         */
        this.scroll_some(delta);
        return false;
    };

    ScrollManager.prototype.scroll_to = function(selector) {
        /**
         * Scroll to an element in the notebook.
         */
        this.element.animate({'scrollTop': $(selector).offset().top + this.element.scrollTop() - this.element.offset().top}, this.animation_speed);
    };

    ScrollManager.prototype.scroll_some = function(pages) {
        /**
         * Scroll up or down a given number of pages.
         *
         * Parameters
         * ----------
         * pages: integer
         *  number of pages to scroll the document, may be positive or negative.
         */
        this.element.animate({'scrollTop': this.element.scrollTop() + pages * this.element.height()}, this.animation_speed);
    };

    ScrollManager.prototype.get_first_visible_cell = function() {
        /**
         * Gets the index of the first visible cell in the document.
         *
         * First, attempt to be smart by guessing the index of the cell we are
         * scrolled to.  Then, walk from there up or down until the right cell 
         * is found.  To guess the index, get the top of the last cell, and
         * divide that by the number of cells to get an average cell height.  
         * Then divide the scroll height by the average cell height.
         */
        var cell_count = this.notebook.ncells();
        var first_cell_top = this.notebook.get_cell(0).element.offset().top;
        var last_cell_top = this.notebook.get_cell(cell_count-1).element.offset().top;
        var avg_cell_height = (last_cell_top - first_cell_top) / cell_count;
        var i = Math.ceil(this.element.scrollTop() / avg_cell_height);
        i = Math.min(Math.max(i , 0), cell_count - 1);

        while (this.notebook.get_cell(i).element.offset().top - first_cell_top < this.element.scrollTop() && i < cell_count - 1) {
            i += 1;
        } 

        while (this.notebook.get_cell(i).element.offset().top - first_cell_top > this.element.scrollTop() - 50 && i >= 0) {
            i -= 1;
        } 
        return Math.min(i + 1, cell_count - 1);
    };

    ScrollManager.prototype.is_cell_visible = function (cell) {
        var cell_rect = cell.element[0].getBoundingClientRect();
        var scroll_rect = this.element[0].getBoundingClientRect();
        return ((cell_rect.top <= scroll_rect.bottom) && (cell_rect.bottom >= scroll_rect.top));
    };


    var TargetScrollManager = function(notebook, options) {
        /**
         * Public constructor.
         */
        ScrollManager.apply(this, [notebook, options]);
    };
    TargetScrollManager.prototype = Object.create(ScrollManager.prototype);

    TargetScrollManager.prototype.is_target = function (index) {
        /**
         * Check if a cell should be a scroll stop.
         *
         * Returns `true` if the cell is a cell that the scroll manager
         * should scroll to.  Otherwise, false is returned. 
         *
         * Parameters
         * ----------
         * index: integer
         *  index of the cell to test.
         */
        return false;
    };

    TargetScrollManager.prototype.scroll = function (delta) {
        /**
         * Scroll the document.
         *
         * Parameters
         * ----------
         * delta: integer
         *  direction to scroll the document.  Positive is downwards.
         *  Units are targets.
         *
         * Try to scroll to the next slide.
         */
        var cell_count = this.notebook.ncells();
        var selected_index = this.get_first_visible_cell() + delta;
        while (0 <= selected_index && selected_index < cell_count && !this.is_target(selected_index)) {
            selected_index += delta;
        }

        if (selected_index < 0 || cell_count <= selected_index) {
            return ScrollManager.prototype.scroll.apply(this, [delta]);
        } else {
            this.scroll_to(this.notebook.get_cell(selected_index).element);
            
            // Cancel browser keyboard scroll.
            return false;
        }
    };


    var SlideScrollManager = function(notebook, options) {
        /**
         * Public constructor.
         */
        TargetScrollManager.apply(this, [notebook, options]);
    };
    SlideScrollManager.prototype = Object.create(TargetScrollManager.prototype);

    SlideScrollManager.prototype.is_target = function (index) {
        var cell = this.notebook.get_cell(index);
        return cell.metadata && cell.metadata.slideshow && 
            cell.metadata.slideshow.slide_type && 
            (cell.metadata.slideshow.slide_type === "slide" ||
            cell.metadata.slideshow.slide_type === "subslide");
    };


    var HeadingScrollManager = function(notebook, options) {
        /**
         * Public constructor.
         */
        ScrollManager.apply(this, [notebook, options]);
        options = options || {};
        this._level = options.heading_level || 1;
    };
    HeadingScrollManager.prototype = Object.create(ScrollManager.prototype);

    HeadingScrollManager.prototype.scroll = function (delta) {
        /**
         * Scroll the document.
         *
         * Parameters
         * ----------
         * delta: integer
         *  direction to scroll the document.  Positive is downwards.
         *  Units are headers.
         *
         * Get all of the header elements that match the heading level or are of
         * greater magnitude (a smaller header number).
         */
        var headers = $();
        var i;
        for (i = 1; i <= this._level; i++) {
            headers = headers.add('#notebook-container h' + i);
        }

        // Find the header the user is on or below.
        var first_cell_top = this.notebook.get_cell(0).element.offset().top;
        var current_scroll = this.element.scrollTop();
        var header_scroll = 0;
        i = -1;
        while (current_scroll >= header_scroll && i < headers.length) {
            if (++i < headers.length) {
                header_scroll = $(headers[i]).offset().top - first_cell_top;
            }
        }
        i--;

        // Check if the user is below the header.
        if (i < 0 || current_scroll > $(headers[i]).offset().top - first_cell_top + 30) {
            // Below the header, count the header as a target.
            if (delta < 0) {
                delta += 1;
            }
        }
        i += delta;

        // Scroll!
        if (0 <= i && i < headers.length) {
            this.scroll_to(headers[i]);
            return false;
        } else {
            // Default to the base's scroll behavior when target header doesn't
            // exist.
            return ScrollManager.prototype.scroll.apply(this, [delta]);
        }
    };

    // Return namespace for require.js loads
    return {
        'ScrollManager': ScrollManager,
        'SlideScrollManager': SlideScrollManager,
        'HeadingScrollManager': HeadingScrollManager,
        'TargetScrollManager': TargetScrollManager
    };
});

/*!
 * jQuery Typeahead
 * Copyright (C) 2019 RunningCoder.org
 * Licensed under the MIT license
 *
 * @author Tom Bertrand
 * @version 2.10.7 (2019-10-19)
 * @link http://www.runningcoder.org/jquerytypeahead/
 */
!function(e){var t;"function"==typeof define&&define.amd?define("jquery-typeahead",["jquery"],function(t){return e(t)}):"object"==typeof module&&module.exports?module.exports=(void 0===t&&(t="undefined"!=typeof window?require("jquery"):require("jquery")(void 0)),e(t)):e(jQuery)}(function(j){"use strict";function r(t,e){this.rawQuery=t.val()||"",this.query=t.val()||"",this.selector=t[0].selector,this.deferred=null,this.tmpSource={},this.source={},this.dynamicGroups=[],this.hasDynamicGroups=!1,this.generatedGroupCount=0,this.groupBy="group",this.groups=[],this.searchGroups=[],this.generateGroups=[],this.requestGroups=[],this.result=[],this.tmpResult={},this.groupTemplate="",this.resultHtml=null,this.resultCount=0,this.resultCountPerGroup={},this.options=e,this.node=t,this.namespace="."+this.helper.slugify.call(this,this.selector)+".typeahead",this.isContentEditable=void 0!==this.node.attr("contenteditable")&&"false"!==this.node.attr("contenteditable"),this.container=null,this.resultContainer=null,this.item=null,this.items=null,this.comparedItems=null,this.xhr={},this.hintIndex=null,this.filters={dropdown:{},dynamic:{}},this.dropdownFilter={static:[],dynamic:[]},this.dropdownFilterAll=null,this.isDropdownEvent=!1,this.requests={},this.backdrop={},this.hint={},this.label={},this.hasDragged=!1,this.focusOnly=!1,this.displayEmptyTemplate,this.__construct()}var i,s={input:null,minLength:2,maxLength:!(window.Typeahead={version:"2.10.7"}),maxItem:8,dynamic:!1,delay:300,order:null,offset:!1,hint:!1,accent:!1,highlight:!0,multiselect:null,group:!1,groupOrder:null,maxItemPerGroup:null,dropdownFilter:!1,dynamicFilter:null,backdrop:!1,backdropOnFocus:!1,cache:!1,ttl:36e5,compression:!1,searchOnFocus:!1,blurOnTab:!0,resultContainer:null,generateOnLoad:null,mustSelectItem:!1,href:null,display:["display"],template:null,templateValue:null,groupTemplate:null,correlativeTemplate:!1,emptyTemplate:!1,cancelButton:!0,loadingAnimation:!0,filter:!0,matcher:null,source:null,callback:{onInit:null,onReady:null,onShowLayout:null,onHideLayout:null,onSearch:null,onResult:null,onLayoutBuiltBefore:null,onLayoutBuiltAfter:null,onNavigateBefore:null,onNavigateAfter:null,onEnter:null,onLeave:null,onClickBefore:null,onClickAfter:null,onDropdownFilter:null,onSendRequest:null,onReceiveRequest:null,onPopulateSource:null,onCacheSave:null,onSubmit:null,onCancel:null},selector:{container:"typeahead__container",result:"typeahead__result",list:"typeahead__list",group:"typeahead__group",item:"typeahead__item",empty:"typeahead__empty",display:"typeahead__display",query:"typeahead__query",filter:"typeahead__filter",filterButton:"typeahead__filter-button",dropdown:"typeahead__dropdown",dropdownItem:"typeahead__dropdown-item",labelContainer:"typeahead__label-container",label:"typeahead__label",button:"typeahead__button",backdrop:"typeahead__backdrop",hint:"typeahead__hint",cancelButton:"typeahead__cancel-button"},debug:!1},o={from:"ãàáäâẽèéëêìíïîõòóöôùúüûñç",to:"aaaaaeeeeeiiiiooooouuuunc"},n=~window.navigator.appVersion.indexOf("MSIE 9."),a=~window.navigator.appVersion.indexOf("MSIE 10"),l=!!~window.navigator.userAgent.indexOf("Trident")&&~window.navigator.userAgent.indexOf("rv:11");r.prototype={_validateCacheMethod:function(t){var e;if(!0===t)t="localStorage";else if("string"==typeof t&&!~["localStorage","sessionStorage"].indexOf(t))return!1;e=void 0!==window[t];try{window[t].setItem("typeahead","typeahead"),window[t].removeItem("typeahead")}catch(t){e=!1}return e&&t||!1},extendOptions:function(){if(this.options.cache=this._validateCacheMethod(this.options.cache),this.options.compression&&("object"==typeof LZString&&this.options.cache||(this.options.compression=!1)),this.options.maxLength&&!isNaN(this.options.maxLength)||(this.options.maxLength=1/0),void 0!==this.options.maxItem&&~[0,!1].indexOf(this.options.maxItem)&&(this.options.maxItem=1/0),this.options.maxItemPerGroup&&!/^\d+$/.test(this.options.maxItemPerGroup)&&(this.options.maxItemPerGroup=null),this.options.display&&!Array.isArray(this.options.display)&&(this.options.display=[this.options.display]),this.options.multiselect&&(this.items=[],this.comparedItems=[],"string"==typeof this.options.multiselect.matchOn&&(this.options.multiselect.matchOn=[this.options.multiselect.matchOn])),this.options.group&&(Array.isArray(this.options.group)||("string"==typeof this.options.group?this.options.group={key:this.options.group}:"boolean"==typeof this.options.group&&(this.options.group={key:"group"}),this.options.group.key=this.options.group.key||"group")),this.options.highlight&&!~["any",!0].indexOf(this.options.highlight)&&(this.options.highlight=!1),this.options.dropdownFilter&&this.options.dropdownFilter instanceof Object){Array.isArray(this.options.dropdownFilter)||(this.options.dropdownFilter=[this.options.dropdownFilter]);for(var t=0,e=this.options.dropdownFilter.length;t<e;++t)this.dropdownFilter[this.options.dropdownFilter[t].value?"static":"dynamic"].push(this.options.dropdownFilter[t])}this.options.dynamicFilter&&!Array.isArray(this.options.dynamicFilter)&&(this.options.dynamicFilter=[this.options.dynamicFilter]),this.options.accent&&("object"==typeof this.options.accent?this.options.accent.from&&this.options.accent.to&&(this.options.accent.from.length,this.options.accent.to.length):this.options.accent=o),this.options.groupTemplate&&(this.groupTemplate=this.options.groupTemplate),this.options.resultContainer&&("string"==typeof this.options.resultContainer&&(this.options.resultContainer=j(this.options.resultContainer)),this.options.resultContainer instanceof j&&this.options.resultContainer[0]&&(this.resultContainer=this.options.resultContainer)),this.options.group&&this.options.group.key&&(this.groupBy=this.options.group.key),this.options.callback&&this.options.callback.onClick&&(this.options.callback.onClickBefore=this.options.callback.onClick,delete this.options.callback.onClick),this.options.callback&&this.options.callback.onNavigate&&(this.options.callback.onNavigateBefore=this.options.callback.onNavigate,delete this.options.callback.onNavigate),this.options=j.extend(!0,{},s,this.options)},unifySourceFormat:function(){var t,e,i;for(t in this.dynamicGroups=[],Array.isArray(this.options.source)&&(this.options.source={group:{data:this.options.source}}),"string"==typeof this.options.source&&(this.options.source={group:{ajax:{url:this.options.source}}}),this.options.source.ajax&&(this.options.source={group:{ajax:this.options.source.ajax}}),(this.options.source.url||this.options.source.data)&&(this.options.source={group:this.options.source}),this.options.source)if(this.options.source.hasOwnProperty(t)){if("string"==typeof(e=this.options.source[t])&&(e={ajax:{url:e}}),i=e.url||e.ajax,Array.isArray(i)?(e.ajax="string"==typeof i[0]?{url:i[0]}:i[0],e.ajax.path=e.ajax.path||i[1]||null):"object"==typeof e.url?e.ajax=e.url:"string"==typeof e.url&&(e.ajax={url:e.url}),delete e.url,!e.data&&!e.ajax)return!1;e.display&&!Array.isArray(e.display)&&(e.display=[e.display]),e.minLength="number"==typeof e.minLength?e.minLength:this.options.minLength,e.maxLength="number"==typeof e.maxLength?e.maxLength:this.options.maxLength,e.dynamic="boolean"==typeof e.dynamic||this.options.dynamic,e.minLength>e.maxLength&&(e.minLength=e.maxLength),this.options.source[t]=e,this.options.source[t].dynamic&&this.dynamicGroups.push(t),e.cache=void 0!==e.cache?this._validateCacheMethod(e.cache):this.options.cache,e.compression&&("object"==typeof LZString&&e.cache||(e.compression=!1))}return this.hasDynamicGroups=this.options.dynamic||!!this.dynamicGroups.length,!0},init:function(){this.helper.executeCallback.call(this,this.options.callback.onInit,[this.node]),this.container=this.node.closest("."+this.options.selector.container)},delegateEvents:function(){var i=this,t=["focus"+this.namespace,"input"+this.namespace,"propertychange"+this.namespace,"keydown"+this.namespace,"keyup"+this.namespace,"search"+this.namespace,"generate"+this.namespace];j("html").on("touchmove",function(){i.hasDragged=!0}).on("touchstart",function(){i.hasDragged=!1}),this.node.closest("form").on("submit",function(t){if(!i.options.mustSelectItem||!i.helper.isEmpty(i.item))return i.options.backdropOnFocus||i.hideLayout(),i.options.callback.onSubmit?i.helper.executeCallback.call(i,i.options.callback.onSubmit,[i.node,this,i.item||i.items,t]):void 0;t.preventDefault()}).on("reset",function(){setTimeout(function(){i.node.trigger("input"+i.namespace),i.hideLayout()})});var s=!1;if(this.node.attr("placeholder")&&(a||l)){var e=!0;this.node.on("focusin focusout",function(){e=!(this.value||!this.placeholder)}),this.node.on("input",function(t){e&&(t.stopImmediatePropagation(),e=!1)})}this.node.off(this.namespace).on(t.join(" "),function(t,e){switch(t.type){case"generate":i.generateSource(Object.keys(i.options.source));break;case"focus":if(i.focusOnly){i.focusOnly=!1;break}i.options.backdropOnFocus&&(i.buildBackdropLayout(),i.showLayout()),i.options.searchOnFocus&&!i.item&&(i.deferred=j.Deferred(),i.assignQuery(),i.generateSource());break;case"keydown":8===t.keyCode&&i.options.multiselect&&i.options.multiselect.cancelOnBackspace&&""===i.query&&i.items.length?i.cancelMultiselectItem(i.items.length-1,null,t):t.keyCode&&~[9,13,27,38,39,40].indexOf(t.keyCode)&&(s=!0,i.navigate(t));break;case"keyup":n&&i.node[0].value.replace(/^\s+/,"").toString().length<i.query.length&&i.node.trigger("input"+i.namespace);break;case"propertychange":if(s){s=!1;break}case"input":i.deferred=j.Deferred(),i.assignQuery(),""===i.rawQuery&&""===i.query&&(t.originalEvent=e||{},i.helper.executeCallback.call(i,i.options.callback.onCancel,[i.node,i.item,t]),i.item=null),i.options.cancelButton&&i.toggleCancelButtonVisibility(),i.options.hint&&i.hint.container&&""!==i.hint.container.val()&&0!==i.hint.container.val().indexOf(i.rawQuery)&&(i.hint.container.val(""),i.isContentEditable&&i.hint.container.text("")),i.hasDynamicGroups?i.helper.typeWatch(function(){i.generateSource()},i.options.delay):i.generateSource();break;case"search":i.searchResult(),i.buildLayout(),i.result.length||i.searchGroups.length&&i.displayEmptyTemplate?i.showLayout():i.hideLayout(),i.deferred&&i.deferred.resolve()}return i.deferred&&i.deferred.promise()}),this.options.generateOnLoad&&this.node.trigger("generate"+this.namespace)},assignQuery:function(){this.isContentEditable?this.rawQuery=this.node.text():this.rawQuery=this.node.val().toString(),this.rawQuery=this.rawQuery.replace(/^\s+/,""),this.rawQuery!==this.query&&(this.query=this.rawQuery)},filterGenerateSource:function(){if(this.searchGroups=[],this.generateGroups=[],!this.focusOnly||this.options.multiselect)for(var t in this.options.source)if(this.options.source.hasOwnProperty(t)&&this.query.length>=this.options.source[t].minLength&&this.query.length<=this.options.source[t].maxLength){if(this.filters.dropdown&&"group"===this.filters.dropdown.key&&this.filters.dropdown.value!==t)continue;if(this.searchGroups.push(t),!this.options.source[t].dynamic&&this.source[t])continue;this.generateGroups.push(t)}},generateSource:function(t){if(this.filterGenerateSource(),Array.isArray(t)&&t.length)this.generateGroups=t;else 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s.helper.namespace.call(s,e,i[l],"get","")}).trim()).text();o.display?~o.display.indexOf("compiled")||o.display.unshift("compiled"):~this.options.display.indexOf("compiled")||this.options.display.unshift("compiled")}else;}this.options.callback.onPopulateSource&&(i=this.helper.executeCallback.call(this,this.options.callback.onPopulateSource,[this.node,i,t,e])),this.tmpSource[t]=Array.isArray(i)&&i||[];var y=this.options.source[t].cache,v=this.options.source[t].compression,b=this.options.source[t].ttl||this.options.ttl;if(y&&!window[y].getItem("TYPEAHEAD_"+this.selector+":"+t)){this.options.callback.onCacheSave&&(i=this.helper.executeCallback.call(this,this.options.callback.onCacheSave,[this.node,i,t,e]));var k=JSON.stringify({data:i,ttl:(new 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s.helper.namespace.call(s,e,i,"get","")})}},clearActiveItem:function(){this.resultContainer.find("."+this.options.selector.item).removeClass("active")},addActiveItem:function(t){t.addClass("active")},searchResult:function(){this.resetLayout(),!1!==this.helper.executeCallback.call(this,this.options.callback.onSearch,[this.node,this.query])&&(!this.searchGroups.length||this.options.multiselect&&this.options.multiselect.limit&&this.items.length>=this.options.multiselect.limit||this.searchResultData(),this.helper.executeCallback.call(this,this.options.callback.onResult,[this.node,this.query,this.result,this.resultCount,this.resultCountPerGroup]),this.isDropdownEvent&&(this.helper.executeCallback.call(this,this.options.callback.onDropdownFilter,[this.node,this.query,this.filters.dropdown,this.result]),this.isDropdownEvent=!1))},searchResultData:function(){var 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t&&(!this.options.multiselect||this.isMultiselectUniqueData(t))&&(!this.filters.dropdown||(t[this.filters.dropdown.key]||"").toLowerCase()===(this.filters.dropdown.value||"").toLowerCase())){if((u="group"===p?F:t[p]?t[p]:t.group)&&!this.tmpResult[u]&&(this.tmpResult[u]=[],this.resultCountPerGroup[u]=0),m&&"group"===p&&this.tmpResult[u].length>=m&&!this.options.callback.onResult)break;for(var x=0,C=(S=this.options.source[F].display||this.options.display).length;x<C;++x){if(!1!==o){if(void 0===(s=/\./.test(S[x])?this.helper.namespace.call(this,S[x],t):t[S[x]])||""===s)continue;s=this.helper.cleanStringFromScript(s)}if("function"==typeof o){if(void 0===(n=o.call(this,t,s)))break;if(!n)continue;"object"==typeof n&&(t=n)}if(~[void 0,!0].indexOf(o)){if(null===s)continue;if(i=(i=s).toString().toLowerCase(),this.options.accent&&(i=this.helper.removeAccent.call(this,i)),e=i.indexOf(d),this.options.correlativeTemplate&&"compiled"===S[x]&&e<0&&/\s/.test(d)){l=!0,c=i;for(var q=0,A=(h=d.split(" 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j&&this.resultContainer.html(this.resultHtml),this.options.callback.onLayoutBuiltAfter&&this.helper.executeCallback.call(this,this.options.callback.onLayoutBuiltAfter,[this.node,this.query,this.result])},buildHtmlLayout:function(){if(!1!==this.options.resultContainer){var h;if(this.resultContainer||(this.resultContainer=j("<div/>",{class:this.options.selector.result}),this.container.append(this.resultContainer)),!this.result.length)if(this.options.multiselect&&this.options.multiselect.limit&&this.items.length>=this.options.multiselect.limit)h=this.options.multiselect.limitTemplate?"function"==typeof this.options.multiselect.limitTemplate?this.options.multiselect.limitTemplate.call(this,this.query):this.options.multiselect.limitTemplate.replace(/\{\{query}}/gi,j("<div>").text(this.helper.cleanStringFromScript(this.query)).html()):"Can't select more than "+this.items.length+" items.";else{if(!this.options.emptyTemplate||""===this.query)return;h="function"==typeof 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")))+"</span>"}(!0===c.options.highlight&&o&&!a||"any"===c.options.highlight)&&(l=c.helper.highlight.call(c,l,o.split(" "),c.options.accent)),j(this).append(l)}})}),function(t,i,e){e.on("click",function(t,e){i.disabled?t.preventDefault():(e&&"object"==typeof e&&(t.originalEvent=e),c.options.mustSelectItem&&c.helper.isEmpty(i)?t.preventDefault():(c.options.multiselect||(c.item=i),!1!==c.helper.executeCallback.call(c,c.options.callback.onClickBefore,[c.node,j(this),i,t])&&(t.originalEvent&&t.originalEvent.defaultPrevented||t.isDefaultPrevented()||(c.options.multiselect?(c.query=c.rawQuery="",c.addMultiselectItemLayout(i)):(c.focusOnly=!0,c.query=c.rawQuery=c.getTemplateValue.call(c,i),c.isContentEditable&&(c.node.text(c.query),c.helper.setCaretAtEnd(c.node[0]))),c.hideLayout(),c.node.val(c.query).focus(),c.options.cancelButton&&c.toggleCancelButtonVisibility(),c.helper.executeCallback.call(c,c.options.callback.onClickAfter,[c.node,j(this),i,t])))))}),e.on("mouseenter",function(t){i.disabled||(c.clearActiveItem(),c.addActiveItem(j(this))),c.helper.executeCallback.call(c,c.options.callback.onEnter,[c.node,j(this),i,t])}),e.on("mouseleave",function(t){i.disabled||c.clearActiveItem(),c.helper.executeCallback.call(c,c.options.callback.onLeave,[c.node,j(this),i,t])})}(0,n,r),(this.groupTemplate?t.find('[data-group-template="'+e+'"] ul'):t).append(r);if(this.result.length&&v.length)for(b=0,k=v.length;b<k;++b)t.find('[data-group-template="'+v[b]+'"]').remove();this.resultHtml=t}},generateHref:function(t,o){var n=this;return"string"==typeof t?t=t.replace(/\{\{([^\|}]+)(?:\|([^}]+))*}}/gi,function(t,e,i){var s=n.helper.namespace.call(n,e,o,"get","");return~(i=i&&i.split("|")||[]).indexOf("slugify")&&(s=n.helper.slugify.call(n,s)),s}):"function"==typeof t&&(t=t.call(this,o)),t},getMultiselectComparedData:function(t){var e="";if(Array.isArray(this.options.multiselect.matchOn))for(var i=0,s=this.options.multiselect.matchOn.length;i<s;++i)e+=void 0!==t[this.options.multiselect.matchOn[i]]?t[this.options.multiselect.matchOn[i]]:"";else{var o=JSON.parse(JSON.stringify(t)),n=["group","matchedKey","compiled","href"];for(i=0,s=n.length;i<s;++i)delete o[n[i]];e=JSON.stringify(o)}return e},buildBackdropLayout:function(){this.options.backdrop&&(this.backdrop.container||(this.backdrop.css=j.extend({opacity:.6,filter:"alpha(opacity=60)",position:"fixed",top:0,right:0,bottom:0,left:0,"z-index":1040,"background-color":"#000"},this.options.backdrop),this.backdrop.container=j("<div/>",{class:this.options.selector.backdrop,css:this.backdrop.css}).insertAfter(this.container)),this.container.addClass("backdrop").css({"z-index":this.backdrop.css["z-index"]+1,position:"relative"}))},buildHintLayout:function(t){if(this.options.hint)if(this.node[0].scrollWidth>Math.ceil(this.node.innerWidth()))this.hint.container&&this.hint.container.val("");else{var e=this,i="",s=(t=t||this.result,this.query.toLowerCase());if(this.options.accent&&(s=this.helper.removeAccent.call(this,s)),this.hintIndex=null,this.searchGroups.length){if(this.hint.container||(this.hint.css=j.extend({"border-color":"transparent",position:"absolute",top:0,display:"inline","z-index":-1,float:"none",color:"silver","box-shadow":"none",cursor:"default","-webkit-user-select":"none","-moz-user-select":"none","-ms-user-select":"none","user-select":"none"},this.options.hint),this.hint.container=j("<"+this.node[0].nodeName+"/>",{type:this.node.attr("type"),class:this.node.attr("class"),readonly:!0,unselectable:"on","aria-hidden":"true",tabindex:-1,click:function(){e.node.focus()}}).addClass(this.options.selector.hint).css(this.hint.css).insertAfter(this.node),this.node.parent().css({position:"relative"})),this.hint.container.css("color",this.hint.css.color),s)for(var o,n,r,a=0,l=t.length;a<l;a++)if(!t[a].disabled){n=t[a].group;for(var h=0,c=(o=this.options.source[n].display||this.options.display).length;h<c;h++)if(r=String(t[a][o[h]]).toLowerCase(),this.options.accent&&(r=this.helper.removeAccent.call(this,r)),0===r.indexOf(s)){i=String(t[a][o[h]]),this.hintIndex=a;break}if(null!==this.hintIndex)break}var p=0<i.length&&this.rawQuery+i.substring(this.query.length)||"";this.hint.container.val(p),this.isContentEditable&&this.hint.container.text(p)}}},buildDropdownLayout:function(){if(this.options.dropdownFilter){var i=this;j("<span/>",{class:this.options.selector.filter,html:function(){j(this).append(j("<button/>",{type:"button",class:i.options.selector.filterButton,style:"display: none;",click:function(){i.container.toggleClass("filter");var e=i.namespace+"-dropdown-filter";j("html").off(e),i.container.hasClass("filter")&&j("html").on("click"+e+" touchend"+e,function(t){j(t.target).closest("."+i.options.selector.filter)[0]&&j(t.target).closest(i.container)[0]||i.hasDragged||(i.container.removeClass("filter"),j("html").off(e))})}})),j(this).append(j("<ul/>",{class:i.options.selector.dropdown}))}}).insertAfter(i.container.find("."+i.options.selector.query))}},buildDropdownItemLayout:function(t){if(this.options.dropdownFilter){var e,i,o=this,n="string"==typeof this.options.dropdownFilter&&this.options.dropdownFilter||"All",r=this.container.find("."+this.options.selector.dropdown);"static"!==t||!0!==this.options.dropdownFilter&&"string"!=typeof this.options.dropdownFilter||this.dropdownFilter.static.push({key:"group",template:"{{group}}",all:n,value:Object.keys(this.options.source)});for(var s=0,a=this.dropdownFilter[t].length;s<a;s++){i=this.dropdownFilter[t][s],Array.isArray(i.value)||(i.value=[i.value]),i.all&&(this.dropdownFilterAll=i.all);for(var l=0,h=i.value.length;l<=h;l++)l===h&&s!==a-1||l===h&&s===a-1&&"static"===t&&this.dropdownFilter.dynamic.length||(e=this.dropdownFilterAll||n,i.value[l]?e=i.template?i.template.replace(new RegExp("{{"+i.key+"}}","gi"),i.value[l]):i.value[l]:this.container.find("."+o.options.selector.filterButton).html(e),function(e,i,s){r.append(j("<li/>",{class:o.options.selector.dropdownItem+" "+o.helper.slugify.call(o,i.key+"-"+(i.value[e]||n)),html:j("<a/>",{href:"javascript:;",html:s,click:function(t){t.preventDefault(),c.call(o,{key:i.key,value:i.value[e]||"*",template:s})}})}))}(l,i,e))}this.dropdownFilter[t].length&&this.container.find("."+o.options.selector.filterButton).removeAttr("style")}function c(t){"*"===t.value?delete this.filters.dropdown:this.filters.dropdown=t,this.container.removeClass("filter").find("."+this.options.selector.filterButton).html(t.template),this.isDropdownEvent=!0,this.node.trigger("input"+this.namespace),this.options.multiselect&&this.adjustInputSize(),this.node.focus()}},dynamicFilter:{isEnabled:!1,init:function(){this.options.dynamicFilter&&(this.dynamicFilter.bind.call(this),this.dynamicFilter.isEnabled=!0)},validate:function(t){var e,i,s=null,o=null;for(var n in this.filters.dynamic)if(this.filters.dynamic.hasOwnProperty(n)&&(i=~n.indexOf(".")?this.helper.namespace.call(this,n,t,"get"):t[n],"|"!==this.filters.dynamic[n].modifier||s||(s=i==this.filters.dynamic[n].value||!1),"&"===this.filters.dynamic[n].modifier)){if(i!=this.filters.dynamic[n].value){o=!1;break}o=!0}return e=s,null!==o&&!0===(e=o)&&null!==s&&(e=s),!!e},set:function(t,e){var i=t.match(/^([|&])?(.+)/);e?this.filters.dynamic[i[2]]={modifier:i[1]||"|",value:e}:delete this.filters.dynamic[i[2]],this.dynamicFilter.isEnabled&&this.generateSource()},bind:function(){for(var t,e=this,i=0,s=this.options.dynamicFilter.length;i<s;i++)"string"==typeof(t=this.options.dynamicFilter[i]).selector&&(t.selector=j(t.selector)),t.selector instanceof j&&t.selector[0]&&t.key&&function(t){t.selector.off(e.namespace).on("change"+e.namespace,function(){e.dynamicFilter.set.apply(e,[t.key,e.dynamicFilter.getValue(this)])}).trigger("change"+e.namespace)}(t)},getValue:function(t){var e;return"SELECT"===t.tagName?e=t.value:"INPUT"===t.tagName&&("checkbox"===t.type?e=t.checked&&t.getAttribute("value")||t.checked||null:"radio"===t.type&&t.checked&&(e=t.value)),e}},buildMultiselectLayout:function(){if(this.options.multiselect){var t,e=this;this.label.container=j("<span/>",{class:this.options.selector.labelContainer,"data-padding-left":parseFloat(this.node.css("padding-left"))||0,"data-padding-right":parseFloat(this.node.css("padding-right"))||0,"data-padding-top":parseFloat(this.node.css("padding-top"))||0,click:function(t){j(t.target).hasClass(e.options.selector.labelContainer)&&e.node.focus()}}),this.node.closest("."+this.options.selector.query).prepend(this.label.container),this.options.multiselect.data&&(Array.isArray(this.options.multiselect.data)?this.populateMultiselectData(this.options.multiselect.data):"function"==typeof this.options.multiselect.data&&(t=this.options.multiselect.data.call(this),Array.isArray(t)?this.populateMultiselectData(t):"function"==typeof t.promise&&j.when(t).then(function(t){t&&Array.isArray(t)&&e.populateMultiselectData(t)})))}},isMultiselectUniqueData:function(t){for(var e=!0,i=0,s=this.comparedItems.length;i<s;++i)if(this.comparedItems[i]===this.getMultiselectComparedData(t)){e=!1;break}return e},populateMultiselectData:function(t){for(var e=0,i=t.length;e<i;++e)this.addMultiselectItemLayout(t[e]);this.node.trigger("search"+this.namespace,{origin:"populateMultiselectData"})},addMultiselectItemLayout:function(t){if(this.isMultiselectUniqueData(t)){this.items.push(t),this.comparedItems.push(this.getMultiselectComparedData(t));var e,i=this.getTemplateValue(t),s=this,o=this.options.multiselect.href?"a":"span",n=j("<span/>",{class:this.options.selector.label,html:j("<"+o+"/>",{text:i,click:function(t){var e=j(this).closest("."+s.options.selector.label),i=s.label.container.find("."+s.options.selector.label).index(e);s.options.multiselect.callback&&s.helper.executeCallback.call(s,s.options.multiselect.callback.onClick,[s.node,s.items[i],t])},href:this.options.multiselect.href?(e=s.items[s.items.length-1],s.generateHref.call(s,s.options.multiselect.href,e)):null})});return n.append(j("<span/>",{class:this.options.selector.cancelButton,html:"×",click:function(t){var e=j(this).closest("."+s.options.selector.label),i=s.label.container.find("."+s.options.selector.label).index(e);s.cancelMultiselectItem(i,e,t)}})),this.label.container.append(n),this.adjustInputSize(),!0}},cancelMultiselectItem:function(t,e,i){var s=this.items[t];(e=e||this.label.container.find("."+this.options.selector.label).eq(t)).remove(),this.items.splice(t,1),this.comparedItems.splice(t,1),this.options.multiselect.callback&&this.helper.executeCallback.call(this,this.options.multiselect.callback.onCancel,[this.node,s,i]),this.adjustInputSize(),this.focusOnly=!0,this.node.focus().trigger("input"+this.namespace,{origin:"cancelMultiselectItem"})},adjustInputSize:function(){var i=this.node[0].getBoundingClientRect().width-(parseFloat(this.label.container.data("padding-right"))||0)-(parseFloat(this.label.container.css("padding-left"))||0),s=0,o=0,n=0,r=!1,a=0;this.label.container.find("."+this.options.selector.label).filter(function(t,e){0===t&&(a=j(e)[0].getBoundingClientRect().height+parseFloat(j(e).css("margin-bottom")||0)),s=j(e)[0].getBoundingClientRect().width+parseFloat(j(e).css("margin-right")||0),.7*i<n+s&&!r&&(o++,r=!0),n+s<i?n+=s:(r=!1,n=s)});var t=parseFloat(this.label.container.data("padding-left")||0)+(r?0:n),e=o*a+parseFloat(this.label.container.data("padding-top")||0);this.container.find("."+this.options.selector.query).find("input, textarea, [contenteditable], .typeahead__hint").css({paddingLeft:t,paddingTop:e})},showLayout:function(){!this.container.hasClass("result")&&(this.result.length||this.displayEmptyTemplate||this.options.backdropOnFocus)&&(function(){var e=this;j("html").off("keydown"+this.namespace).on("keydown"+this.namespace,function(t){t.keyCode&&9===t.keyCode&&setTimeout(function(){j(":focus").closest(e.container).find(e.node)[0]||e.hideLayout()},0)}),j("html").off("click"+this.namespace+" touchend"+this.namespace).on("click"+this.namespace+" touchend"+this.namespace,function(t){j(t.target).closest(e.container)[0]||j(t.target).closest("."+e.options.selector.item)[0]||t.target.className===e.options.selector.cancelButton||e.hasDragged||e.hideLayout()})}.call(this),this.container.addClass([this.result.length||this.searchGroups.length&&this.displayEmptyTemplate?"result ":"",this.options.hint&&this.searchGroups.length?"hint":"",this.options.backdrop||this.options.backdropOnFocus?"backdrop":""].join(" ")),this.helper.executeCallback.call(this,this.options.callback.onShowLayout,[this.node,this.query]))},hideLayout:function(){(this.container.hasClass("result")||this.container.hasClass("backdrop"))&&(this.container.removeClass("result hint filter"+(this.options.backdropOnFocus&&j(this.node).is(":focus")?"":" backdrop")),this.options.backdropOnFocus&&this.container.hasClass("backdrop")||(j("html").off(this.namespace),this.helper.executeCallback.call(this,this.options.callback.onHideLayout,[this.node,this.query])))},resetLayout:function(){this.result=[],this.tmpResult={},this.groups=[],this.resultCount=0,this.resultCountPerGroup={},this.resultItemCount=0,this.resultHtml=null,this.options.hint&&this.hint.container&&(this.hint.container.val(""),this.isContentEditable&&this.hint.container.text(""))},resetInput:function(){this.node.val(""),this.isContentEditable&&this.node.text(""),this.query="",this.rawQuery=""},buildCancelButtonLayout:function(){if(this.options.cancelButton){var e=this;j("<span/>",{class:this.options.selector.cancelButton,html:"×",mousedown:function(t){t.stopImmediatePropagation(),t.preventDefault(),e.resetInput(),e.node.trigger("input"+e.namespace,[t])}}).insertBefore(this.node)}},toggleCancelButtonVisibility:function(){this.container.toggleClass("cancel",!!this.query.length)},__construct:function(){this.extendOptions(),this.unifySourceFormat()&&(this.dynamicFilter.init.apply(this),this.init(),this.buildDropdownLayout(),this.buildDropdownItemLayout("static"),this.buildMultiselectLayout(),this.delegateEvents(),this.buildCancelButtonLayout(),this.helper.executeCallback.call(this,this.options.callback.onReady,[this.node]))},helper:{isEmpty:function(t){for(var e in t)if(t.hasOwnProperty(e))return!1;return!0},removeAccent:function(t){if("string"==typeof t){var e=o;return"object"==typeof this.options.accent&&(e=this.options.accent),t=t.toLowerCase().replace(new RegExp("["+e.from+"]","g"),function(t){return e.to[e.from.indexOf(t)]})}},slugify:function(t){return""!==(t=String(t))&&(t=(t=this.helper.removeAccent.call(this,t)).replace(/[^-a-z0-9]+/g,"-").replace(/-+/g,"-").replace(/^-|-$/g,"")),t},sort:function(s,i,o){function n(t){for(var e=0,i=s.length;e<i;e++)if(void 0!==t[s[e]])return o(t[s[e]]);return t}return i=[-1,1][+!!i],function(t,e){return t=n(t),e=n(e),i*((e<t)-(t<e))}},replaceAt:function(t,e,i,s){return t.substring(0,e)+s+t.substring(e+i)},highlight:function(t,e,i){t=String(t);var s=i&&this.helper.removeAccent.call(this,t)||t,o=[];Array.isArray(e)||(e=[e]),e.sort(function(t,e){return e.length-t.length});for(var n=e.length-1;0<=n;n--)""!==e[n].trim()?e[n]=e[n].replace(/[-[\]{}()*+?.,\\^$|#\s]/g,"\\$&"):e.splice(n,1);s.replace(new RegExp("(?:"+e.join("|")+")(?!([^<]+)?>)","gi"),function(t,e,i){o.push({offset:i,length:t.length})});for(n=o.length-1;0<=n;n--)t=this.helper.replaceAt(t,o[n].offset,o[n].length,"<strong>"+t.substr(o[n].offset,o[n].length)+"</strong>");return t},getCaret:function(t){var e=0;if(t.selectionStart)return t.selectionStart;if(document.selection){var i=document.selection.createRange();if(null===i)return e;var s=t.createTextRange(),o=s.duplicate();s.moveToBookmark(i.getBookmark()),o.setEndPoint("EndToStart",s),e=o.text.length}else if(window.getSelection){var n=window.getSelection();if(n.rangeCount){var r=n.getRangeAt(0);r.commonAncestorContainer.parentNode==t&&(e=r.endOffset)}}return e},setCaretAtEnd:function(t){if(void 0!==window.getSelection&&void 0!==document.createRange){var e=document.createRange();e.selectNodeContents(t),e.collapse(!1);var i=window.getSelection();i.removeAllRanges(),i.addRange(e)}else if(void 0!==document.body.createTextRange){var s=document.body.createTextRange();s.moveToElementText(t),s.collapse(!1),s.select()}},cleanStringFromScript:function(t){return"string"==typeof t&&t.replace(/<\/?(?:script|iframe)\b[^>]*>/gm,"")||t},executeCallback:function(t,e){if(t){var i;if("function"==typeof t)i=t;else if(("string"==typeof t||Array.isArray(t))&&("string"==typeof t&&(t=[t,[]]),"function"!=typeof(i=this.helper.namespace.call(this,t[0],window))))return;return i.apply(this,(t[1]||[]).concat(e||[]))}},namespace:function(t,e,i,s){if("string"!=typeof t||""===t)return!1;var o=void 0!==s?s:void 0;if(!~t.indexOf("."))return e[t]||o;for(var n=t.split("."),r=e||window,a=(i=i||"get",""),l=0,h=n.length;l<h;l++){if(void 0===r[a=n[l]]){if(~["get","delete"].indexOf(i))return void 0!==s?s:void 0;r[a]={}}if(~["set","create","delete"].indexOf(i)&&l===h-1){if("set"!==i&&"create"!==i)return delete r[a],!0;r[a]=o}r=r[a]}return r},typeWatch:(i=0,function(t,e){clearTimeout(i),i=setTimeout(t,e)})}},j.fn.typeahead=j.typeahead=function(t){return e.typeahead(this,t)};var e={typeahead:function(t,e){if(e&&e.source&&"object"==typeof e.source){if("function"==typeof t){if(!e.input)return;t=j(e.input)}if(t.length){if(void 0===t[0].value&&(t[0].value=t.text()),1===t.length)return t[0].selector=t.selector||e.input||t[0].nodeName.toLowerCase(),window.Typeahead[t[0].selector]=new r(t,e);for(var i,s={},o=0,n=t.length;o<n;++o)void 0!==s[i=t[o].nodeName.toLowerCase()]&&(i+=o),t[o].selector=i,window.Typeahead[i]=s[i]=new r(t.eq(o),e);return s}}}};return window.console=window.console||{log:function(){}},Array.isArray||(Array.isArray=function(t){return"[object Array]"===Object.prototype.toString.call(t)}),"trim"in String.prototype||(String.prototype.trim=function(){return this.replace(/^\s+/,"").replace(/\s+$/,"")}),"indexOf"in Array.prototype||(Array.prototype.indexOf=function(t,e){void 0===e&&(e=0),e<0&&(e+=this.length),e<0&&(e=0);for(var i=this.length;e<i;e++)if(e in this&&this[e]===t)return e;return-1}),Object.keys||(Object.keys=function(t){var e,i=[];for(e in t)Object.prototype.hasOwnProperty.call(t,e)&&i.push(e);return i}),r});
// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.

define('notebook/js/quickhelp',[
    'jquery',
    'base/js/utils',
    'base/js/i18n',
    'base/js/dialog',
    'underscore'
], function($, utils, i18n, dialog, _) {
    "use strict";

    var platform = utils.platform;

    var QuickHelp = function (options) {
        /**
         * Constructor
         *
         * Parameters:
         *  options: dictionary
         *      Dictionary of keyword arguments.
         *          events: $(Events) instance
         *          keyboard_manager: KeyboardManager instance
         *          notebook: Notebook instance
         */
        this.keyboard_manager = options.keyboard_manager;
        this.notebook = options.notebook;
        this.keyboard_manager.quick_help = this;
        this.events = options.events;
    };

    var cmd_ctrl = 'Ctrl-';
    var platform_specific;

    if (platform === 'MacOS') {
        // Mac OS X specific
        cmd_ctrl = 'Cmd-';
        platform_specific = [
            { shortcut: "Cmd-Up", help:i18n.msg._("go to cell start") },
            { shortcut: "Cmd-Down", help:i18n.msg._("go to cell end") },
            { shortcut: "Alt-Left", help:i18n.msg._("go one word left") },
            { shortcut: "Alt-Right", help:i18n.msg._("go one word right") },
            { shortcut: "Alt-Backspace", help:i18n.msg._("delete word before") },
            { shortcut: "Alt-Delete", help:i18n.msg._("delete word after") },
            { shortcut: "Cmd-Shift-z", help:i18n.msg._("redo") },
            { shortcut: "Cmd-Shift-u", help:i18n.msg._("redo selection") },
            { shortcut: "Ctrl-k", help:i18n.msg._("emacs-style line kill") },
            { shortcut: "Cmd-Backspace", help:i18n.msg._("delete line left of cursor") },
            { shortcut: "Cmd-Delete", help:i18n.msg._("delete line right of cursor") }
        ];
    } else {
        // PC specific
        platform_specific = [
            { shortcut: "Ctrl-Home", help:i18n.msg._("go to cell start") },
            { shortcut: "Ctrl-Up", help:i18n.msg._("go to cell start") },
            { shortcut: "Ctrl-End", help:i18n.msg._("go to cell end") },
            { shortcut: "Ctrl-Down", help:i18n.msg._("go to cell end") },
            { shortcut: "Ctrl-Left", help:i18n.msg._("go one word left") },
            { shortcut: "Ctrl-Right", help:i18n.msg._("go one word right") },
            { shortcut: "Ctrl-Backspace", help:i18n.msg._("delete word before")},
            { shortcut: "Ctrl-Delete", help:i18n.msg._("delete word after")},
            { shortcut: "Ctrl-y", help:i18n.msg._("redo")},
            { shortcut: "Alt-u", help:i18n.msg._("redo selection") }
        ];
    }

    var cm_shortcuts = [
        { shortcut:"Tab", help:i18n.msg._("code completion or indent") },
        { shortcut:"Shift-Tab", help:i18n.msg._("tooltip") },
        { shortcut: cmd_ctrl + "]", help:i18n.msg._("indent") },
        { shortcut: cmd_ctrl + "[", help:i18n.msg._("dedent") },
        { shortcut: cmd_ctrl + "a", help:i18n.msg._("select all") },
        { shortcut: cmd_ctrl + "z", help:i18n.msg._("undo") },
        { shortcut: cmd_ctrl + "/", help:i18n.msg._("comment") },
        { shortcut: cmd_ctrl + "d", help:i18n.msg._("delete whole line") },
        { shortcut: cmd_ctrl + "u", help:i18n.msg._("undo selection") },
        { shortcut: "Insert", help:i18n.msg._("toggle overwrite flag") }
    ].concat( platform_specific );
    
    var mac_humanize_map = {
        // all these are unicode, will probably display badly on anything except macs.
        // these are the standard symbol that are used in MacOS native menus
        // cf https://apple.stackexchange.com/questions/55727/
        // for htmlentities and/or unicode value
        'cmd':'⌘',
        'shift':'⇧',
        'alt':'⌥',
        'up':'↑',
        'down':'↓',
        'left':'←',
        'right':'→',
        'eject':'⏏',
        'tab':'⇥',
        'backtab':'⇤',
        'capslock':'⇪',
        'esc':'esc',
        'ctrl':'⌃',
        'enter':'↩',
        'pageup':'⇞',
        'pagedown':'⇟',
        'home':'↖',
        'end':'↘',
        'altenter':'⌤',
        'space':'␣',
        'delete':'⌦',
        'backspace':'⌫',
        'apple':'',
    };

    var default_humanize_map = {
        'shift':i18n.msg._('Shift'),
        'alt':i18n.msg._('Alt'),
        'up':i18n.msg._('Up'),
        'down':i18n.msg._('Down'),
        'left':i18n.msg._('Left'),
        'right':i18n.msg._('Right'),
        'tab':i18n.msg._('Tab'),
        'capslock':i18n.msg._('Caps Lock'),
        'esc':i18n.msg._('Esc'),
        'ctrl':i18n.msg._('Ctrl'),
        'enter':i18n.msg._('Enter'),
        'pageup':i18n.msg._('Page Up'),
        'pagedown':i18n.msg._('Page Down'),
        'home':i18n.msg._('Home'),
        'end':i18n.msg._('End'),
        'space':i18n.msg._('Space'),
        'backspace':i18n.msg._('Backspace'),
        '-':i18n.msg._('Minus')
        };
    
    var humanize_map;

    if (platform === 'MacOS'){
        humanize_map = mac_humanize_map;
    } else {
        humanize_map = default_humanize_map;
    }

    var special_case = { pageup: i18n.msg._("PageUp"), pagedown: i18n.msg._("Page Down") };
    
    function humanize_key(key){
        if (key.length === 1){
            return key.toUpperCase();
        }

        key = humanize_map[key.toLowerCase()]||key;
        
        if (key.indexOf(',') === -1){
            return  ( special_case[key] ? special_case[key] : key.charAt(0).toUpperCase() + key.slice(1) );
        }
    }

    // return an **html** string of the keyboard shortcut
    // for human eyes consumption.
    // the sequence is a string, comma separated linkt of shortcut,
    // where the shortcut is a list of dash-joined keys.
    // Each shortcut will be wrapped in <kbd> tag, and joined by comma is in a
    // sequence.
    //
    // Depending on the platform each shortcut will be normalized, with or without dashes.
    // and replace with the corresponding unicode symbol for modifier if necessary.
    function humanize_sequence(sequence){
        var joinchar = ',';
        var hum = _.map(sequence.replace(/meta/g, 'cmd').split(','), humanize_shortcut).join(joinchar);
        return hum;
    }

    function _humanize_sequence(sequence){
        var joinchar = ',';
        var hum = _.map(sequence.replace(/meta/g, 'cmd').split(','), _humanize_shortcut).join(joinchar);
        return hum;
    }

    function _humanize_shortcut(shortcut){
        var joinchar = '-';
        if (platform === 'MacOS'){
            joinchar = '';
        }
        return _.map(shortcut.split('-'), humanize_key ).join(joinchar);
    }

    function humanize_shortcut(shortcut){
        return '<kbd>'+_humanize_shortcut(shortcut)+'</kbd>';
    }
    

    QuickHelp.prototype.show_keyboard_shortcuts = function () {
        /**
         * toggles display of keyboard shortcut dialog
         */
        var that = this;
        if ( this.force_rebuild ) {
            this.shortcut_dialog.remove();
            delete(this.shortcut_dialog);
            this.force_rebuild = false;
        }
        if ( this.shortcut_dialog ){
            // if dialog is already shown, close it
            $(this.shortcut_dialog).modal("toggle");
            return;
        }
        var element = $('<div/>');

        // The documentation
        var doc = $('<div/>').addClass('alert alert-info');
        doc.append(i18n.msg._('The Jupyter Notebook has two different keyboard input modes.'))
           .append(' ')
           .append(i18n.msg._('<b>Edit mode</b> allows you to type code or text into a cell and is indicated by a green cell border.'))
           .append(' ')
           .append(i18n.msg._('<b>Command mode</b> binds the keyboard to notebook level commands and is indicated by a grey cell border with a blue left margin.')
        );
        element.append(doc);
        if (platform === 'MacOS') {
            doc = $('<div/>').addClass('alert alert-info');
            var key_div = this.build_key_names();
            doc.append(key_div);
            element.append(doc);
        }

        // Command mode
        var cmd_div = this.build_command_help();
        element.append(cmd_div);

        // Edit mode
        var edit_div = this.build_edit_help(cm_shortcuts);
        element.append(edit_div);

        // This statement is used simply so that message extraction
        // will pick up the strings.  The actual setting of the text
        // for the button is in dialog.js.
        var button_labels = [ i18n.msg._("Close") ];

        this.shortcut_dialog = dialog.modal({
            title : i18n.msg._("Keyboard shortcuts"),
            body : element,
            destroy : false,
            buttons : {
                Close : {}
            },
            notebook: this.notebook,
            keyboard_manager: this.keyboard_manager,
        });
        this.shortcut_dialog.addClass("modal_stretch");
        
        this.events.on('rebuild.QuickHelp', function() { that.force_rebuild = true;});
    };

    QuickHelp.prototype.build_key_names = function () {
       var key_names_mac =  [{ shortcut:"⌘", help:i18n.msg._("Command") },
                    { shortcut:"⌃", help:i18n.msg._("Control") },
                    { shortcut:"⌥", help:i18n.msg._("Option") },
                    { shortcut:"⇧", help:i18n.msg._("Shift") },
                    { shortcut:"↩", help:i18n.msg._("Return") },
                    { shortcut:"␣", help:i18n.msg._("Space") },
                    { shortcut:"⇥", help:i18n.msg._("Tab") }];
        var i, half, n;
        var div = $('<div/>').append('Mac OS X modifier keys:');
        var sub_div = $('<div/>').addClass('container-fluid');
        var col1 = $('<div/>').addClass('col-md-6');
        var col2 = $('<div/>').addClass('col-md-6');
        n = key_names_mac.length;
        half = ~~(n/2);
        for (i=0; i<half; i++) { col1.append(
                build_one(key_names_mac[i])
                ); }
        for (i=half; i<n; i++) { col2.append(
                build_one(key_names_mac[i])
                ); }
        sub_div.append(col1).append(col2);
        div.append(sub_div);
        return div;
    };


    QuickHelp.prototype.build_command_help = function () {
        var that = this;
        var command_shortcuts = this.keyboard_manager.command_shortcuts.help();
        var cmdkey = '<kbd>'+i18n.msg._('Esc')+'</kbd>';
        var div = build_div('<h4>'+i18n.msg.sprintf(i18n.msg._('Command Mode (press %s to enable)'),cmdkey)+'</h4>', command_shortcuts);
        var edit_button = $('<button/>')
            .text(i18n.msg._("Edit Shortcuts"))
            .addClass('btn btn-xs btn-default pull-right')
            .attr('href', '#')
            .attr('title', i18n.msg._('edit command-mode keyboard shortcuts'))
            .click(function () {
                // close this dialog
                $(that.shortcut_dialog).modal("toggle");
                // and open the next one
                $(that.shortcut_dialog).on('hidden.bs.modal', function (e) {
                    that.keyboard_manager.actions.call(
                        'jupyter-notebook:edit-command-mode-keyboard-shortcuts'
                    );
                });
            });
        div.find('h4').append(edit_button);
        return div;
    };

    
    QuickHelp.prototype.build_edit_help = function (cm_shortcuts) {
        var edit_shortcuts = this.keyboard_manager.edit_shortcuts.help();
        var enterkey = '<kbd>'+i18n.msg._('Enter')+'</kbd>';
        edit_shortcuts = $.merge($.merge([], cm_shortcuts), edit_shortcuts);
        return build_div('<h4>'+i18n.msg.sprintf(i18n.msg._('Edit Mode (press %s to enable)'),enterkey)+'</h4>', edit_shortcuts);
    };

    var build_one = function (s) {
        var help = s.help;
        var shortcut = '';
        if(s.shortcut){
            shortcut = humanize_sequence(s.shortcut);
        }
        return $('<div>').addClass('quickhelp').
            append($('<span/>').addClass('shortcut_key').append($(shortcut))).
            append($('<span/>').addClass('shortcut_descr').text(' : ' + help));

    };

    var build_div = function (title, shortcuts) {
        
        // Remove jupyter-notebook:ignore shortcuts.
        shortcuts = shortcuts.filter(function(shortcut) {
            if (shortcut.help === 'ignore') {
                return false;
            } else {
                return true;
            }
        });
        
        var i, half, n;
        var div = $('<div/>').append($(title));
        var sub_div = $('<div/>').addClass('container-fluid');
        var col1 = $('<div/>').addClass('col-md-6');
        var col2 = $('<div/>').addClass('col-md-6');
        n = shortcuts.length;
        half = ~~(n/2);  // Truncate :)
        for (i=0; i<half; i++) { col1.append( build_one(shortcuts[i]) ); }
        for (i=half; i<n; i++) { col2.append( build_one(shortcuts[i]) ); }
        sub_div.append(col1).append(col2);
        div.append(sub_div);
        return div;
    };

    return {'QuickHelp': QuickHelp,
      humanize_shortcut: humanize_shortcut,
      humanize_sequence: humanize_sequence,
      _humanize_sequence: _humanize_sequence,
  };
});

// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.

define('notebook/js/commandpalette',[
    'jquery',
    'typeahead',
    'base/js/i18n',
    'notebook/js/quickhelp'
],function($, typeahead, i18n, QH){
    "use strict";

    /**
     * Humanize the action name to be consumed by user.
     * internally the actions anem are of the form
     * <namespace>:<description-with-dashes>
     * we drop <namespace> and replace dashes for space.
     */
    var humanize_action_id = function(str) {
      return str.split(':')[1].replace(/-/g, ' ').replace(/_/g, '-');
    };

    /**
     * given an action id return 'command-shortcut', 'edit-shortcut' or 'no-shortcut'
     * for the action. This allows us to tag UI in order to visually distinguish
     * wether an action have a keybinding or not.
     **/
    var get_mode_for_action_id = function(name, notebook) {
      var shortcut = notebook.keyboard_manager.command_shortcuts.get_action_shortcut(name);
      if (shortcut) {
        return 'command-shortcut';
      }
      shortcut = notebook.keyboard_manager.edit_shortcuts.get_action_shortcut(name);
      if (shortcut) {
        return 'edit-shortcut';
      }
      return 'no-shortcut';
    };

    var CommandPalette = function(notebook) {
        if(!notebook){
          throw new Error("CommandPalette takes a notebook non-null mandatory argument");
        }

        // typeahead lib need a specific layout with specific class names.
        // the following just does that
        var form = $('<form/>');
        var container = $('<div/>').addClass('typeahead__container');
        var field = $('<div/>').addClass('typeahead__field');
        var input = $('<input/>').attr('type', 'search');

        field
          .append(
            $('<span>').addClass('typeahead__query').append(
              input
            )
          )
          .append(
            $('<span/>').addClass('typeahead__button').append(
              $('<button/>').attr('type', 'submit').append(
                $('<span/>').addClass('typeahead__search-icon')
              )
            )
          );

        container.append(field);
        form.append(container);


        var mod = $('<div/>').addClass('modal cmd-palette').append(
          $('<div/>').addClass('modal-dialog')
          .append(
            $('<div/>').addClass('modal-content').append(
              $('<div/>').addClass('modal-body')
              .append(
                form
              )
            )
          )
        )
        // end setting up right layout
        .modal({show: false, backdrop:true})
        .on('shown.bs.modal', function () {
              // click on button trigger de-focus on mouse up.
              // or something like that.
              setTimeout(function(){input.focus();}, 100);
        });

        notebook.keyboard_manager.disable();

        var before_close = function() {
          // little trick to trigger early in onsubmit
          // when the action called pop-up a dialog
          // insure this function is only called once
          if (before_close.ok) {
            return;
          }
          var cell = notebook.get_selected_cell();
          if (cell) {
            cell.select();
          }
          if (notebook.keyboard_manager) {
            notebook.keyboard_manager.enable();
            notebook.keyboard_manager.command_mode();
          }
          before_close.ok = true; // avoid double call.
        };
        
        mod.on("hide.bs.modal", before_close);
        

        // will be trigger when user select action
        var onSubmit = function(node, query, result, resultCount) {
          if (actions.indexOf(result.key) >= 0) {
            before_close();
            notebook.keyboard_manager.actions.call(result.key);
          } else {
            console.warning("No command " + result.key);
          }
          mod.modal('hide');
        };

        /* Whenever a result is rendered, if there is only one resulting
         * element then automatically select that element.
         */
        var onResult = function(node, query, result, resultCount) {
            if (resultCount == 1) {
                requestAnimationFrame(function() {
                    $('.typeahead-list > li:nth-child(2)').addClass('active');
                });
            }
        };

        // generate structure needed for typeahead layout and ability to search
        var src = {};

        var actions = Object.keys(notebook.keyboard_manager.actions._actions);

        for (var i = 0; i < actions.length; i++) {
          var action_id = actions[i];
          var action = notebook.keyboard_manager.actions.get(action_id);
          var group = action_id.split(':')[0];

          src[group] = src[group] || {
            data: [],
            display: 'display'
          };

          var short = notebook.keyboard_manager.command_shortcuts.get_action_shortcut(action_id) ||
            notebook.keyboard_manager.edit_shortcuts.get_action_shortcut(action_id);
          if (short) {
            short = QH.humanize_sequence(short);
          }

          var display_text;
          if (action.cmd) {
              display_text = i18n.msg._(action.cmd);
          } else {
              display_text = humanize_action_id(action_id);
          }

          var help = null;
          if (action.help) {
              help = i18n.msg._(action.help);
          }
          
          src[group].data.push({
            display: display_text,
            shortcut: short,
            mode_shortcut: get_mode_for_action_id(action_id, notebook),
            group: group,
            icon: action.icon,
            help: help,
            key: action_id,
          });
        }

        // now src is the right structure for typeahead

        input.typeahead({
          emptyTemplate: function(query) {
            return $('<div>').text("No results found for ").append(
                $('<code>').text(query)
            );
          },
          maxItem: 1e3,
          minLength: 0,
          hint: true,
          group: {
            template:"{{group}} command group"
          },
          searchOnFocus: true,
          mustSelectItem: true,
          template: '<i class="fa fa-icon {{icon}}"></i>{{display}}  <div title={{key}} class="pull-right {{mode_shortcut}}">{{shortcut}}</div>',
          order: "asc",
          source: src,
          callback: {
            onSubmit: onSubmit,
            onClickAfter: onSubmit,
            onResult: onResult
          },
          debug: false,
        });

        mod.modal('show');
    };
    return {'CommandPalette': CommandPalette};
});

// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.

define('notebook/js/shortcuteditor',[
    "jquery",
    "notebook/js/quickhelp",
    "base/js/dialog",
    "components/marked/lib/marked"
], function (
    $,
    QH,
    dialog,
    marked
) {


/**
 * Humanize the action name to be consumed by user.
 * internally the actions name are of the form
 * <namespace>:<description-with-dashes>
 * we drop <namespace> and replace dashes for space.
 */
var humanize_action_id = function(str) {
  return str.split(':')[1].replace(/-/g, ' ').replace(/_/g, '-');
};

/**
 * given an action id return 'command-shortcut', 'edit-shortcut' or 'no-shortcut'
 * for the action. This allows us to tag UI in order to visually distinguish
 * Wether an action have a keybinding or not.
 **/

var KeyBinding = createReactClass({
  displayName: 'KeyBindings',
  getInitialState: function() {
    return {shrt:''};
  },
  handleShrtChange: function (element){
    this.setState({shrt:element.target.value});
  },
  render: function(){
    var that = this;
    var available = this.props.available(this.state.shrt);
    var empty = (this.state.shrt === '');
    var binding_setter = function(){
      if (available) { 
        that.props.onAddBindings(that.state.shrt, that.props.ckey);
      }
      that.state.shrt='';
      event.preventDefault();
      return false;
    };
    return React.createElement('form', {className:'jupyter-keybindings',
            onSubmit: binding_setter
        },
              React.createElement('i', {className: "pull-right fa fa-plus", alt: 'add-keyboard-shortcut',
                  onClick: binding_setter
              }),
              React.createElement('input', {
                                      type:'text', 
                               placeholder:'add shortcut', 
                                 className:'pull-right'+((available||empty)?'':' alert alert-danger'),
                                     value:that.state.shrt,
                                  onChange:that.handleShrtChange
              }),
              that.props.shortcuts ? that.props.shortcuts.map(function (item, index) {
                return React.createElement('span', {className: 'pull-right'},
                  React.createElement('kbd', {}, [
                    item.h,
                    React.createElement('i', {className: "fa fa-times", alt: 'remove '+item.h,
                      onClick:function () {
                        that.props.unbind(item.raw);
                      }
                    })
                  ])
                );
              }): null,
              React.createElement('div', {title: '(' + that.props.ckey + ')' ,
                className:'jupyter-keybindings-text'}, that.props.display )
      );
  }
});

var KeyBindingList = createReactClass({
  displayName: 'KeyBindingList',
  getInitialState: function(){
    return {data:[]};
  },
  componentDidMount: function(){
      this.setState({data:this.props.callback()});
  },
  render: function() {
      var that = this;
      var children = this.state.data.map(function (binding) {
          return React.createElement(KeyBinding, Object.assign({}, binding, {
          onAddBindings: function (shortcut, action) {
              that.props.bind(shortcut, action);
              that.setState({data:that.props.callback()});
          },
          available: that.props.available,
          unbind: function (shortcut) {
                  that.props.unbind(shortcut);
                  that.setState({data:that.props.callback()});
             }
          }));
      });
      children.unshift(React.createElement('div', {className:'well', key:'disclamer', id:'short-key-binding-intro', dangerouslySetInnerHTML:
            {__html: 
            marked.marked(

            "Here you can modify the keyboard shortcuts available in "+
            "command mode. Your changes will be stored for later sessions. "+
            "See more [**details of defining keyboard shortcuts**](#long-key-binding-intro) below."
            )}
      }));
      children.push(React.createElement('div', {className:'well', key:'disclamer', id:'long-key-binding-intro', dangerouslySetInnerHTML:
            {__html: 
            marked.marked(

            "This dialog allows you to modify the keyboard shortcuts available in command mode. "+ 
            "Any changes will be persisted between sessions and across environments. "+
            "You can define two kinds of shortcuts: **key combinations** and **key sequences**.\n"+
            "\n"+
            " - **Key Combinations**:\n"+
            "   - Use hyphens `-` to represent keys that should be pressed at the same time.\n"+
            "   - This is designed for use with *modifier* keys: `Cmd`, `Ctrl`, `Alt` ,`Meta`, "+
            "`Cmdtrl`, and `Shift`.\n"+ 
            "       - `Cmdtrl` acts like `Cmd` on OS X/MacOS and `Ctrl` on Windows/Linux.\n"+
            "   - At most, one non-modifier key can exist in a key combination.\n"+
            "   - Multiple modifier keys can exist in a key combination.\n"+
            "   - Modifier keys need to precede the non-modifier key in a combination.\n"+
            "   - *Valid Examples*: `Shift-a`, `Ctrl-;`, or `Ctrl-Shift-a`. \n"+
            "   - *Invalid Example*s: `a-b` and `a-Ctrl-Shift`. \n"+
            " - **Key Sequences**:\n"+
            "   - Use commas `,` to represent keys that should be pressed in sequence.\n"+
            "   - The order in which keys must be pressed exactly matches the left-to-right order of "+
            "the characters in the sequence, with no interruptions.\n"+
            "     - E.g., `h,a,l,t` would be triggered by typing <kbd>h</kbd> <kbd>a</kbd> "+
            "<kbd>l</kbd> <kbd>t</kbd> but not <kbd>h</kbd> <kbd>a</kbd> <kbd>a</kbd> <kbd>l</kbd> "+
            "<kbd>t</kbd> or <kbd>a</kbd>  <kbd>h</kbd> <kbd>l</kbd> <kbd>t</kbd>.\n"+
            "   - Sequences can include the same key multiple times (e.g., `d,d`).\n"+
            "   - You cannot include any pairs of sequences where one is a 'prefix' the other.\n"+
            "     - E.g., `d,d,d` cannot be used a the same time as `d,d`.\n"+ 
            "   - Key combinations are unique elements that can be used in a sequence.\n"+ 
            "     - E.g., `Ctrl-d,d` and `d,d` can exist at the same time and are both valid key sequences.\n"+
            "\n"+
            "**Additional notes**:\n"+
            "\n"+
            "The case in which elements are written does not change the binding's meaning. "+
            "E.g., `Ctrl-D` and `cTrl-d` are the same key binding. "+
            "Thus, `Shift` needs to be explicitly included if it is part of the key binding. "+
            "So, for example, if you set a command to be activated by `Shift-D,D`, the second `d` "+
            "cannot be pressed at the same time as the `Shift` modifier key.\n"+
            "\n"+
            "Valid modifiers are specified by writing out their names explicitly: "+
            "e.g., `Shift`, `Cmd`, `Ctrl`, `Alt` ,`Meta`, `Cmdtrl`. You cannot use the symbol equivalents "+
            "(e.g., `⇧`, `⌘`, `⌃`, `⌥`); refer to developer docs for the corresponding keys "+
            "(the mapping of which depends on the platform you are using)."+
            "You can hover on the name/description of a command to see its exact internal name and "+
            "differentiate from actions defined in various plugins. \n"+
            "\n"+
            "Changing the keybindings of edit mode is not currently available."
            )}
      }));
      return React.createElement('div',{}, children);
    }
});

var get_shortcuts_data = function(notebook) {
    var actions = Object.keys(notebook.keyboard_manager.actions._actions);
    var src = [];

    for (var i = 0; i < actions.length; i++) {
      var action_id = actions[i];
      var action = notebook.keyboard_manager.actions.get(action_id);

      var shortcuts = notebook.keyboard_manager.command_shortcuts.get_action_shortcuts(action_id);
      var hshortcuts = [];
      if (shortcuts.length > 0) {
        hshortcuts = shortcuts.map(function (raw) {
          return {h:QH._humanize_sequence(raw),raw:raw};}
        );
      }
      src.push({
        display: humanize_action_id(action_id),
        shortcuts: hshortcuts,
        key:action_id, // react specific thing
        ckey: action_id
      });
    }
    return src;
};


var ShortcutEditor = function(notebook) {

    if(!notebook){
      throw new Error("CommandPalette takes a notebook non-null mandatory argument");
    }

    var body =  $('<div>');
    var mod = dialog.modal({
        notebook: notebook,
        keyboard_manager: notebook.keyboard_manager,
        title : "Edit Command mode Shortcuts",
        body : body,
        buttons : {
            OK : {}
        }
    });
    
    var src = get_shortcuts_data(notebook);

    mod.addClass("modal_stretch");

    mod.modal('show');
    ReactDOM.render(
        React.createElement(KeyBindingList, {
            callback: function () { return  get_shortcuts_data(notebook);},
            bind: function (shortcut, command) {
                return notebook.keyboard_manager.command_shortcuts._persist_shortcut(shortcut, command);
            },
            unbind: function (shortcut) {
                return notebook.keyboard_manager.command_shortcuts._persist_remove_shortcut(shortcut);
            },
            available: function (shrt) { return notebook.keyboard_manager.command_shortcuts.is_available_shortcut(shrt);}
          }),
        body.get(0)
    );
};
    return {ShortcutEditor: ShortcutEditor};
});

// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.

/**
 * @module notebook
 */

define('notebook/js/notebook',[
    'jquery',
    'base/js/namespace',
    'underscore',
    'base/js/utils',
    'base/js/i18n',
    'base/js/dialog',
    'base/js/markdown',
    './cell',
    './textcell',
    './codecell',
    'moment',
    'services/config',
    'services/sessions/session',
    './celltoolbar',
    'codemirror/lib/codemirror',
    'codemirror/addon/runmode/runmode',
    'base/js/mathjaxutils',
    'base/js/keyboard',
    './tooltip',
    './celltoolbarpresets/default',
    './celltoolbarpresets/rawcell',
    './celltoolbarpresets/slideshow',
    './celltoolbarpresets/attachments',
    './celltoolbarpresets/tags',
    './scrollmanager',
    './commandpalette',
    './shortcuteditor',
], function (
    $,
    IPython,
    _,
    utils,
    i18n,
    dialog,
    markdown,
    cellmod,
    textcell,
    codecell,
    moment,
    configmod,
    session,
    celltoolbar,
    CodeMirror,
    runMode,
    mathjaxutils,
    keyboard,
    tooltip,
    default_celltoolbar,
    rawcell_celltoolbar,
    slideshow_celltoolbar,
    attachments_celltoolbar,
    tags_celltoolbar,
    scrollmanager,
    commandpalette,
    shortcuteditor
) {

    var ShortcutEditor = shortcuteditor.ShortcutEditor;

    var _SOFT_SELECTION_CLASS = 'jupyter-soft-selected';

    function soft_selected(cell){
        return cell.element.hasClass(_SOFT_SELECTION_CLASS);
    }

    /**
     * Contains and manages cells.
     * @class Notebook
     * @param {string}          selector
     * @param {object}          options - Dictionary of keyword arguments.  
     * @param {jQuery}          options.events - selector of Events
     * @param {KeyboardManager} options.keyboard_manager
     * @param {Contents}        options.contents
     * @param {SaveWidget}      options.save_widget
     * @param {object}          options.config
     * @param {string}          options.base_url
     * @param {string}          options.notebook_path
     * @param {string}          options.notebook_name
     */
    function Notebook(selector, options) {
        this.config = options.config;
        this.config.loaded.then(this.validate_config.bind(this));
        this.class_config = new configmod.ConfigWithDefaults(this.config, 
                                        Notebook.options_default, 'Notebook');
        this.nbclassic_path = options.nbclassic_path;
        this.base_url = options.base_url;
        this.notebook_path = options.notebook_path;
        this.notebook_name = options.notebook_name;
        this.events = options.events;
        this.keyboard_manager = options.keyboard_manager;
        this.contents = options.contents;
        this.save_widget = options.save_widget;
        this.tooltip = new tooltip.Tooltip(this.events);
        this.ws_url = options.ws_url;
        this._session_starting = false;
        this.last_modified = null;
        // debug 484
        this._last_modified = 'init';
        // Firefox workaround
        this._ff_beforeunload_fired = false;

        //  Create default scroll manager.
        this.scroll_manager = new scrollmanager.ScrollManager(this);

        // TODO: This code smells (and the other `= this` line a couple lines down)
        // We need a better way to deal with circular instance references.
        this.keyboard_manager.notebook = this;
        this.save_widget.notebook = this;
        
        mathjaxutils.init();

        this.element = $(selector);
        this.element.scroll();
        this.element.data("notebook", this);
        this.session = null;
        this.kernel = null;
        this.kernel_busy = false;
        this.clipboard = null;
        this.clipboard_attachments = null;
        this.undelete_backup_stack = [];
        this.paste_enabled = false;
        this.paste_attachments_enabled = false;
        this.writable = false;
        // It is important to start out in command mode to match the initial mode
        // of the KeyboardManager.
        this.mode = 'command';
        this.set_dirty(false);
        this.metadata = {};
        this._checkpoint_after_save = false;
        this.last_checkpoint = null;
        this.checkpoints = [];
        this.autosave_interval = 0;
        this.autosave_timer = null;
        // autosave *at most* every two minutes
        this.minimum_autosave_interval = 120000;
        this.notebook_name_blacklist_re = /[\/\\:]/;
        this.nbformat = 4; // Increment this when changing the nbformat
        this.nbformat_minor = this.current_nbformat_minor = 1; // Increment this when changing the nbformat
        this.codemirror_mode = 'text';
        this.create_elements();
        this.bind_events();
        this.kernel_selector = null;
        this.dirty = null;
        this.trusted = null;
        this._changed_on_disk_dialog = null;
        this._fully_loaded = false;

        // Trigger cell toolbar registration.
        default_celltoolbar.register(this);
        rawcell_celltoolbar.register(this);
        slideshow_celltoolbar.register(this);
        attachments_celltoolbar.register(this);
        tags_celltoolbar.register(this);

        var that = this;

        Object.defineProperty(this, 'line_numbers', {
            get: function() {
                var d = that.config.data || {};
                var cmc =  (d['Cell'] || {}) ['cm_config'] || {};
                return cmc['lineNumbers'] || false;
            },
            set: function(value) {
                that.config.update({
                    'Cell': {
                        'cm_config': {
                            'lineNumbers':value
                        }
                    }
                });
            }
        });
        
        Object.defineProperty(this, 'header', {
            get: function() {
                return that.class_config.get_sync('Header');
            },
            set: function(value) {
                that.class_config.set('Header', value);
            }
        });
                
        Object.defineProperty(this, 'toolbar', {
            get: function() {
                return that.class_config.get_sync('Toolbar');
            },
            set: function(value) {
                that.class_config.set('Toolbar', value);
            }
        });
        
        this.class_config.get('Header').then(function(header) {
            if (header === false) {
                that.keyboard_manager.actions.call('jupyter-notebook:hide-header');
            }
        });
        
        this.class_config.get('Toolbar').then(function(toolbar) {
          if (toolbar === false) {
              that.keyboard_manager.actions.call('jupyter-notebook:hide-toolbar');
          }
        });
        
        // prevent assign to miss-typed properties.
        Object.seal(this);
    }

    Notebook.options_default = {
        // can be any cell type, or the special values of
        // 'above', 'below', or 'selected' to get the value from another cell.
        default_cell_type: 'code',
        Header: true,
        Toolbar: true,
        kill_kernel: false
    };

    Notebook.prototype.validate_config = function() {
        var code_cell = this.config.data['CodeCell'] || {};
        var cm_keymap = (code_cell['cm_config'] || {})['keyMap'];
        if (cm_keymap && CodeMirror.keyMap[cm_keymap] === undefined) {
            console.warn('CodeMirror keymap not found, ignoring: ' + cm_keymap);
            delete code_cell.cm_config.keyMap;
        }
    };

    /**
     * Create an HTML and CSS representation of the notebook.
     */
    Notebook.prototype.create_elements = function () {
        var that = this;
        this.element.attr('tabindex','-1');
        this.container = $("<div/>").addClass("container").attr("id", "notebook-container");
        // We add this end_space div to the end of the notebook div to:
        // i) provide a margin between the last cell and the end of the notebook
        // ii) to prevent the div from scrolling up when the last cell is being
        // edited, but is too low on the page, which browsers will do automatically.
        var end_space = $('<div/>')
            .addClass('end_space');
        end_space.dblclick(function () {
            var ncells = that.ncells();
            that.insert_cell_below('code',ncells-1);
        });
        this.element.append(this.container);
        this.container.after(end_space);
    };

    /**
     * Bind JavaScript events: key presses and custom Jupyter events.
     */
    Notebook.prototype.bind_events = function () {
        var that = this;


        this.events.on('set_next_input.Notebook', function (event, data) {
            if (data.replace) {
                data.cell.set_text(data.text);
                if (data.clear_output !== false) {
                  // default (undefined) is true to preserve prior behavior
                  data.cell.clear_output();
                }
            } else {
                var index = that.find_cell_index(data.cell);
                var new_cell = that.insert_cell_below('code',index);
                new_cell.set_text(data.text);
            }
            that.dirty = true;
        });

        this.events.on('unrecognized_cell.Cell', function () {
            that.warn_nbformat_minor();
        });

        this.events.on('unrecognized_output.OutputArea', function () {
            that.warn_nbformat_minor();
        });

        this.events.on('set_dirty.Notebook', function (event, data) {
            that.dirty = data.value;
        });

        this.events.on('trust_changed.Notebook', function (event, trusted) {
            that.trusted = trusted;
        });

        this.events.on('select.Cell', function (event, data) {
            var index = that.find_cell_index(data.cell);
            that.select(index, !data.extendSelection);
        });

        this.events.on('edit_mode.Cell', function (event, data) {
            that.handle_edit_mode(data.cell);
        });

        this.events.on('command_mode.Cell', function (event, data) {
            that.handle_command_mode(data.cell);
        });
        
        this.events.on('spec_changed.Kernel', function(event, data) {
            var existing_spec = that.metadata.kernelspec;
            that.metadata.kernelspec = {
                name: data.name,
                display_name: data.spec.display_name,
                language: data.spec.language,
            };
            if (!existing_spec || ! _.isEqual(existing_spec, that.metadata.kernelspec)) {
                that.set_dirty(true);
            }
            // start a new session
            that.start_session(data.name);
        });

        this.events.on('kernel_ready.Kernel', function(event, data) {
            var kinfo = data.kernel.info_reply;
            if (!kinfo.language_info) {
                delete that.metadata.language_info;
                return;
            }
            var existing_info = that.metadata.language_info;
            var langinfo = kinfo.language_info;
            that.metadata.language_info = langinfo;
            if (!existing_info || ! _.isEqual(existing_info, langinfo)) {
                that.set_dirty(true);
            }
            // Mode 'null' should be plain, unhighlighted text.
            var cm_mode = langinfo.codemirror_mode || langinfo.name || 'null';
            that.set_codemirror_mode(cm_mode);
        });
        
        this.events.on('kernel_idle.Kernel', function () {
            that.kernel_busy = false;
        });
        
        this.events.on('kernel_busy.Kernel', function () {
            that.kernel_busy = true;
        });

        var collapse_time = function (time) {
            var app_height = $('#ipython-main-app').height(); // content height
            var splitter_height = $('div#pager_splitter').outerHeight(true);
            var new_height = app_height - splitter_height;
            that.element.animate({height : new_height + 'px'}, time);
        };

        this.element.bind('collapse_pager', function (event, extrap) {
            var time = (extrap !== undefined) ? ((extrap.duration !== undefined ) ? extrap.duration : 'fast') : 'fast';
            collapse_time(time);
        });

        var expand_time = function (time) {
            var app_height = $('#ipython-main-app').height(); // content height
            var splitter_height = $('div#pager_splitter').outerHeight(true);
            var pager_height = $('div#pager').outerHeight(true);
            var new_height = app_height - pager_height - splitter_height;
            that.element.animate({height : new_height + 'px'}, time);
        };

        this.element.bind('expand_pager', function (event, extrap) {
            var time = (extrap !== undefined) ? ((extrap.duration !== undefined ) ? extrap.duration : 'fast') : 'fast';
            expand_time(time);
        });


        // Firefox 22 broke $(window).on("beforeunload")
        // I'm not sure why or how.
        window.onbeforeunload = function () {
            /* Make kill kernel configurable.
            example in custom.js:
                var notebook = Jupyter.notebook;
                var config = notebook.config;
                var patch = {
                    Notebook:{
                        kill_kernel: true
                    }
                };
                config.update(patch);
            */
            var kill_kernel = that.class_config.get_sync("kill_kernel");
            if (kill_kernel) {
                that.session.delete();
            }
            if ( utils.browser[0] === "Firefox") {
                // Workaround ancient Firefox bug showing beforeunload twice: https://bugzilla.mozilla.org/show_bug.cgi?id=531199
                if (that._ff_beforeunload_fired) {
                    return; // don't show twice on FF
                }
                that._ff_beforeunload_fired = true;
                // unset flag immediately after dialog is dismissed
                setTimeout(function () {
                    that._ff_beforeunload_fired = false;
                }, 1);
            }
            // if we are autosaving, trigger an autosave on nav-away.
            // still warn, because if we don't the autosave may fail.
            if (that.dirty) {
                if ( that.autosave_interval ) {
                    // schedule autosave in a timeout
                    // this gives you a chance to forcefully discard changes
                    // by reloading the page if you *really* want to.
                    // the timer doesn't start until you *dismiss* the dialog.
                    setTimeout(function () {
                        if (that.dirty) {
                            that.save_notebook();
                        }
                    }, 1000);
                    return i18n.msg._("Autosave in progress, latest changes may be lost.");
                } else {
                    return i18n.msg._("Unsaved changes will be lost.");
                }
            }
            // if the kernel is busy, prompt the user if he’s sure
            if (that.kernel_busy) {
                return i18n.msg._("The Kernel is busy, outputs may be lost.");
            }
            // IE treats null as a string.  Instead just return which will avoid the dialog.
            return;
        };
    };
    

    Notebook.prototype.show_command_palette = function() {
        new commandpalette.CommandPalette(this);
    };

    Notebook.prototype.show_shortcuts_editor = function() {
        new ShortcutEditor(this);
    };

    /**
     * Trigger a warning dialog about missing functionality from newer minor versions
     */
    Notebook.prototype.warn_nbformat_minor = function () {
        var v = 'v' + this.nbformat + '.';
        var orig_vs = v + this.nbformat_minor;
        var this_vs = v + this.current_nbformat_minor;
        var msg = i18n.msg.sprintf(i18n.msg._("This notebook is version %1$s, but we only fully support up to %2$s."),
                orig_vs,this_vs) + " " +
                i18n.msg._("You can still work with this notebook, but cell and output types introduced in later notebook versions will not be available.");

        // This statement is used simply so that message extraction
        // will pick up the strings.  The actual setting of the text
        // for the button is in dialog.js.
        var button_labels = [ 
            i18n.msg._("OK"),
            i18n.msg._("Restart and Run All Cells"),
            i18n.msg._("Restart and Clear All Outputs"),
            i18n.msg._("Restart"),
            i18n.msg._("Continue Running"),
            i18n.msg._("Reload"),
            i18n.msg._("Cancel"),
            i18n.msg._("Overwrite"),
            i18n.msg._("Trust"),
            i18n.msg._("Revert")];
        
        dialog.modal({
            notebook: this,
            keyboard_manager: this.keyboard_manager,
            title : i18n.msg._("Newer Notebook"),
            body : msg,
            buttons : {
                OK : {
                    "class" : "btn-danger"
                }
            }
        });
    };

    /**
     * Set the dirty flag, and trigger the set_dirty.Notebook event
     */
    Notebook.prototype.set_dirty = function (value) {
        if (value === undefined) {
            value = true;
        }
        if (this.dirty === value) {
            return;
        }
        this.events.trigger('set_dirty.Notebook', {value: value});
    };

    /**
     * Scroll the top of the page to a given cell.
     * 
     * @param {integer}  index - An index of the cell to view
     * @param {integer}  time - Animation time in milliseconds
     * @return {integer} Pixel offset from the top of the container
     */
    Notebook.prototype.scroll_to_cell = function (index, time) {
        return this.scroll_cell_percent(index, 0, time);
    };

    /**
     * Scroll the middle of the page to a given cell.
     *
     * @param {integer}  index - An index of the cell to view
     * @param {integer}  percent - 0-100, the location on the screen to scroll.
     *                   0 is the top, 100 is the bottom.
     * @param {integer}  time - Animation time in milliseconds
     * @return {integer} Pixel offset from the top of the container
     */
    Notebook.prototype.scroll_cell_percent = function (index, percent, time) {
        var cells = this.get_cells();
        time = time || 0;
        percent = percent || 0;
        index = Math.min(cells.length-1,index);
        index = Math.max(0             ,index);
        var sme = this.scroll_manager.element;
        var h = sme.height();
        var st = sme.scrollTop();
        var t = sme.offset().top;
        var ct = cells[index].element.offset().top;
        var scroll_value =  st + ct - (t + 0.01 * percent * h);
        this.scroll_manager.element.animate({scrollTop:scroll_value}, time);
        return scroll_value;
    };

    /**
     * Scroll to the bottom of the page.
     */
    Notebook.prototype.scroll_to_bottom = function () {
        this.scroll_manager.element.animate({scrollTop:this.element.get(0).scrollHeight}, 0);
    };

    /**
     * Scroll to the top of the page.
     */
    Notebook.prototype.scroll_to_top = function () {
        this.scroll_manager.element.animate({scrollTop:0}, 0);
    };

    // Edit Notebook metadata

    /**
     * Display a dialog that allows the user to edit the Notebook's metadata.
     */
    Notebook.prototype.edit_metadata = function () {
        var that = this;
        dialog.edit_metadata({
            md: this.metadata, 
            callback: function (new_md) {
                if(!_.isEqual(that.metadata, new_md)){
                    that.set_dirty(true);
                }
                that.metadata = new_md;
            },
            name: 'Notebook',
            notebook: this,
            keyboard_manager: this.keyboard_manager});
    };

    // Cell indexing, retrieval, etc.

    /**
     * Get all cell elements in the notebook.
     * 
     * @return {jQuery} A selector of all cell elements
     */
    Notebook.prototype.get_cell_elements = function () {
        var container = this.container || $('#notebook-container');
        return container.find(".cell").not('.cell .cell');
    };

    /**
     * Get a particular cell element.
     * 
     * @param {integer} index An index of a cell to select
     * @return {jQuery} A selector of the given cell.
     */
    Notebook.prototype.get_cell_element = function (index) {
        var result = null;
        var e = this.get_cell_elements().eq(index);
        if (e.length !== 0) {
            result = e;
        }
        return result;
    };

    /**
     * Try to get a particular cell by msg_id.
     * 
     * @param {string} msg_id A message UUID
     * @return {Cell} Cell or null if no cell was found.
     */
    Notebook.prototype.get_msg_cell = function (msg_id) {
        return codecell.CodeCell.msg_cells[msg_id] || null;
    };

    /**
     * Count the cells in this notebook.
     * 
     * @return {integer} The number of cells in this notebook
     */
    Notebook.prototype.ncells = function () {
        return this.get_cell_elements().length;
    };

    /**
     * Get all cell objects in this notebook.
     * 
     * @return {Array} This notebook's Cell objects
     */
    Notebook.prototype.get_cells = function () {
        // TODO: we are often calling cells as cells()[i], which we should optimize
        // to cells(i) or a new method.
        return this.get_cell_elements().toArray().map(function (e) {
            return $(e).data("cell");
        });
    };

    /**
     * Get a cell object from this notebook.
     * 
     * @param {integer} index - An index of a cell to retrieve
     * @return {Cell} Cell or null if no cell was found.
     */
    Notebook.prototype.get_cell = function (index) {
        var result = null;
        var ce = this.get_cell_element(index);
        if (ce !== null) {
            result = ce.data('cell');
        }
        return result;
    };

    /**
     * Get the cell below a given cell.
     * 
     * @param {Cell} cell
     * @return {Cell} the next cell or null if no cell was found.
     */
    Notebook.prototype.get_next_cell = function (cell) {
        var result = null;
        var index = this.find_cell_index(cell);
        if (this.is_valid_cell_index(index+1)) {
            result = this.get_cell(index+1);
        }
        return result;
    };
    
    /**
     * Toggles the display of line numbers in all cells.
     */
    Notebook.prototype.toggle_all_line_numbers = function () {
        this.line_numbers = !this.line_numbers;
    };

    /**
     * Reads direction settings (LTR/RTL) from nbclassic/cells metadata
     * and applies them to display elements.
     */
    Notebook.prototype.apply_directionality = function () {
        var notebook_direction = this.metadata.direction || 'ltr';
        // html
        document.body.setAttribute('dir', notebook_direction);
        // existing cells
        this.get_cells().forEach( function(cell) {
            if (cell.cell_type == 'markdown') {
                cell.code_mirror.setOption('direction', cell.metadata.direction || notebook_direction);
                cell.element.find('.rendered_html').attr('dir', cell.metadata.direction || notebook_direction);
            } else if (cell.cell_type == 'code') {
                cell.element.find('.output_text').attr('dir', cell.metadata.direction || 'auto');
            }
        });
        // new cells
        textcell.MarkdownCell.options_default.cm_config.direction = notebook_direction;
    };

    /**
     * Get the cell above a given cell.
     * 
     * @param {Cell} cell
     * @return {Cell} The previous cell or null if no cell was found.
     */
    Notebook.prototype.get_prev_cell = function (cell) {
        var result = null;
        var index = this.find_cell_index(cell);
        if (index !== null && index > 0) {
            result = this.get_cell(index-1);
        }
        return result;
    };
    
    /**
     * Get the numeric index of a given cell.
     * 
     * @param {Cell} cell
     * @return {integer} The cell's numeric index or null if no cell was found.
     */
    Notebook.prototype.find_cell_index = function (cell) {
        var result = null;
        this.get_cell_elements().filter(function (index) {
            if ($(this).data("cell") === cell) {
                result = index;
            }
        });
        return result;
    };

    /**
     * Return given index if defined, or the selected index if not.
     * 
     * @param {integer} [index] - A cell's index
     * @return {integer} cell index
     */
    Notebook.prototype.index_or_selected = function (index) {
        var i;
        if (index === undefined || index === null) {
            i = this.get_selected_index();
            if (i === null) {
                i = 0;
            }
        } else {
            i = index;
        }
        return i;
    };

    /**
     * Get the selected cells.
     * 
     * @return {Cell} The selected cells or null if no cell was found.
     */
    Notebook.prototype.get_selected_cells = function () {
        return this.get_cells().filter(function(cell, index){ return cell.selected || soft_selected(cell) || cell.anchor;});
    };
    
     /**
     * Get the selected cells.
     * 
     * @return {array} cell indicies
     */
    Notebook.prototype.get_selected_cells_indices = function () {
        var result = [];
        this.get_cells().filter(function (cell, index) {
            if (cell.selected || soft_selected(cell) || cell.anchor) {
                result.push(index);
            }
        });
        return result;
    };

    /**
     * Get the currently selected cell.
     * 
     * @return {Cell} The selected cell
     */
    Notebook.prototype.get_selected_cell = function () {
        var index = this.get_selected_index();
        return this.get_cell(index);
    };

    /**
     * Check whether a cell index is valid.
     * 
     * @param {integer} index - A cell index
     * @return True if the index is valid, false otherwise
     */
    Notebook.prototype.is_valid_cell_index = function (index) {
        if (index !== null && index >= 0 && index < this.ncells()) {
            return true;
        } else {
            return false;
        }
    };

    /**
     * Returns the index of the cell that the selection is currently anchored on.
     *
     * @return {integer} Index of first cell selected in selection
     */
    Notebook.prototype.get_anchor_index = function () {
        var result = null;
        this.get_cell_elements().filter(function (index) {
            if ($(this).data("cell").anchor === true) {
                result = index;
            }
        });
        return result;
    };

    /**
     * Get the index of the currently selected cell.
     *
     * @return {integer} The selected cell's numeric index
     */
    Notebook.prototype.get_selected_index = function () {
        var result = null;
        this.get_cell_elements().filter(function (index) {
            if ($(this).data("cell").selected === true) {
                result = index;
            }
        });
        return result;
    };


    // Cell selection.

    Notebook.prototype.extend_selection_by = function(delta) {
        var index = this.get_selected_index();
        // do not move anchor
        return this.select(index+delta, false);
    };


    Notebook.prototype.update_soft_selection = function(){
        var i1 = this.get_selected_index();
        var i2 = this.get_anchor_index();
        var low  = Math.min(i1, i2);
        var high = Math.max(i1, i2);
        this.get_cells().map(function(cell, index, all){
            if( low <= index && index <= high && low !== high){
                cell.element.addClass(_SOFT_SELECTION_CLASS);
            } else {
                cell.element.removeClass(_SOFT_SELECTION_CLASS);
            }
        });
    };


    Notebook.prototype.select_all = function(){
        this.select(0, true);
        this.select(this.ncells()-1, false);
    };

    Notebook.prototype._contract_selection = function(){
        var i = this.get_selected_index();
        this.select(i, true);
    };

    /**
     * Programmatically select a cell.
     * 
     * @param {integer} index - A cell's index
     * @param {boolean} moveanchor – whether to move the selection
     *               anchor, default to true.
     * @return {Notebook} This notebook
     */
    Notebook.prototype.select = function (index, moveanchor) {
        moveanchor = (moveanchor===undefined)? true : moveanchor;

        if (this.is_valid_cell_index(index)) {
            var sindex = this.get_selected_index();
            if (sindex !== null && index !== sindex) {
                // If we are about to select a different cell, make sure we are
                // first in command mode.
                if (this.mode !== 'command') {
                    this.command_mode();
                }
                this.get_cell(sindex).unselect(moveanchor);
            }
            if(moveanchor){
                this.get_cell(this.get_anchor_index()).unselect(moveanchor);
            }
            var cell = this.get_cell(index);
            cell.select(moveanchor);
            this.update_soft_selection();
            if (cell.cell_type === 'heading') {
                this.events.trigger('selected_cell_type_changed.Notebook',
                    {
                        'cell_type': cell.cell_type,
                        'level': cell.level,
                        'editable': cell.is_editable()
                    }
                );
            } else {
                this.events.trigger('selected_cell_type_changed.Notebook',
                    {
                        'cell_type': cell.cell_type,
                        'editable': cell.is_editable()
                    }
                );
            }
        }
        return this;
    };

    /**
     * Programmatically select the next cell.
     *
     * @param {bool} moveanchor – whether to move the selection
     *               anchor, default to true.
     * @return {Notebook} This notebook
     */
    Notebook.prototype.select_next = function (moveanchor) {
        var index = this.get_selected_index();
        this.select(index+1, moveanchor);
        return this;
    };

    /**
     * Programmatically select the previous cell.
     *
     * @return {Notebook} This notebook
     */
    Notebook.prototype.select_prev = function (moveanchor) {
        var index = this.get_selected_index();
        this.select(index-1, moveanchor);
        return this;
    };


    // Edit/Command mode

    /**
     * Gets the index of the cell that is in edit mode.
     *
     * @return {integer} index
     */
    Notebook.prototype.get_edit_index = function () {
        var result = null;
        this.get_cell_elements().filter(function (index) {
            if ($(this).data("cell").mode === 'edit') {
                result = index;
            }
        });
        return result;
    };

    /**
     * Handle when a a cell blurs and the notebook should enter command mode.
     *
     * @param {Cell} [cell] - Cell to enter command mode on.
     */
    Notebook.prototype.handle_command_mode = function (cell) {
        if (this.mode !== 'command') {
            cell.command_mode();
            this.mode = 'command';
            this.events.trigger('command_mode.Notebook');
            this.keyboard_manager.command_mode();
        }
    };

    /**
     * Make the notebook enter command mode.
     */
    Notebook.prototype.command_mode = function () {
        var cell = this.get_cell(this.get_edit_index());
        if (cell && this.mode !== 'command') {
            // We don't call cell.command_mode, but rather blur the CM editor
            // which will trigger the call to handle_command_mode.
            cell.code_mirror.getInputField().blur();
        }
    };

    /**
     * Handle when a cell fires it's edit_mode event.
     *
     * @param {Cell} [cell] Cell to enter edit mode on.
     */
    Notebook.prototype.handle_edit_mode = function (cell) {
        this._contract_selection();
        if (cell && this.mode !== 'edit') {
            cell.edit_mode();
            this.mode = 'edit';
            this.events.trigger('edit_mode.Notebook');
            this.keyboard_manager.edit_mode();
        }
    };

    /**
     * Make a cell enter edit mode.
     */
    Notebook.prototype.edit_mode = function () {
        this._contract_selection();
        var cell = this.get_selected_cell();
        if (cell && this.mode !== 'edit') {
            cell.unrender();
            cell.focus_editor();
        }
    };
    
    /**
     * Ensure either cell or codemirror is focused. If none 
     * is focused, focus the cell.
     */
    Notebook.prototype.ensure_focused = function(){
        var cell = this.get_selected_cell();
        if (cell === null) {return;}  // No cell is selected
        cell.ensure_focused();
    };

    /**
     * Focus the currently selected cell.
     */
    Notebook.prototype.focus_cell = function () {
        var cell = this.get_selected_cell();
        if (cell === null) {return;}  // No cell is selected
        cell.focus_cell();
    };

    // Cell movement

    /**
     * Move the current selection up, keeping the same cells selected
     * No op if the selection is at the beginning of the notebook
     */
    Notebook.prototype.move_selection_up = function(){
        // actually will move the cell before the selection, after the selection
        var indices = this.get_selected_cells_indices();
        var first = indices[0];
        var last = indices[indices.length - 1];

        var selected = this.get_selected_index();
        var anchored = this.get_anchor_index();

        if (first === 0){
            return;
        }
        var tomove = this.get_cell_element(first - 1);
        var pivot = this.get_cell_element(last);

        tomove.detach();
        pivot.after(tomove);

        this.get_cell(selected-1).focus_cell();
        this.select(anchored - 1);
        this.select(selected - 1, false);
    };

    /**
     * Move the current selection down, keeping the same cells selected.
     * No op if the selection is at the end of the notebook
     */
    Notebook.prototype.move_selection_down = function(){
        // actually will move the cell after the selection, before the selection
        var indices = this.get_selected_cells_indices();
        var first = indices[0];
        var last = indices[indices.length - 1];

        var selected = this.get_selected_index();
        var anchored = this.get_anchor_index();

        if(!this.is_valid_cell_index(last + 1)){
            return;
        }
        var tomove = this.get_cell_element(last + 1);
        var pivot = this.get_cell_element(first);

        tomove.detach();
        pivot.before(tomove);

        this.get_cell(selected+1).focus_cell();
        this.select(first);
        this.select(anchored + 1);
        this.select(selected + 1, false);
    };

    /**
     * Move given (or selected) cell up and select it.
     * 
     * @param {integer} [index] - cell index
     * @return {Notebook} This notebook
     */
    Notebook.prototype.move_cell_up = function (index) {
        console.warn('Notebook.move_cell_up is deprecated as of v4.1 and will be removed in v5.0');

        if(index === undefined){
            this.move_selection_up();
            return this;
        }
        
        var i = this.index_or_selected(index);
        if (this.is_valid_cell_index(i) && i > 0) {
            var pivot = this.get_cell_element(i-1);
            var tomove = this.get_cell_element(i);
            if (pivot !== null && tomove !== null) {
                tomove.detach();
                pivot.before(tomove);
                this.select(i-1);
                var cell = this.get_selected_cell();
                cell.focus_cell();
            }
            this.set_dirty(true);
        }
        return this;
    };


    /**
     * Move given (or selected) cell down and select it.
     * 
     * @param {integer} [index] - cell index
     * @return {Notebook} This notebook
     */
    Notebook.prototype.move_cell_down = function (index) {
        console.warn('Notebook.move_cell_down is deprecated as of v4.1 and will be removed in v5.0');

        if(index === undefined){
            this.move_selection_down();
            return this;
        }
        
        var i = this.index_or_selected(index);
        if (this.is_valid_cell_index(i) && this.is_valid_cell_index(i+1)) {
            var pivot = this.get_cell_element(i+1);
            var tomove = this.get_cell_element(i);
            if (pivot !== null && tomove !== null) {
                tomove.detach();
                pivot.after(tomove);
                this.select(i+1);
                var cell = this.get_selected_cell();
                cell.focus_cell();
            }
        }
        this.set_dirty();
        return this;
    };


    // Insertion, deletion.

    /**
     * Delete a cell from the notebook without any precautions
     * Needed to reload checkpoints and other things like that.
     * 
     * @param {integer} [index] - cell's numeric index
     * @return {Notebook} This notebook
     */
    Notebook.prototype._unsafe_delete_cell = function (index) {
        var i = this.index_or_selected(index);
        var cell = this.get_cell(i);

        $('#undelete_cell').addClass('disabled');
        $('#undelete_cell > a').attr('aria-disabled','true');
        if (this.is_valid_cell_index(i)) {
            var old_ncells = this.ncells();
            var ce = this.get_cell_element(i);
            ce.remove();
            this.set_dirty(true);
        }
        return this;
    };


    /**
     * Delete cells from the notebook
     *
     * @param {Array} [indices] - the numeric indices of cells to delete.
     * @return {Notebook} This notebook
     */
    Notebook.prototype.delete_cells = function(indices) {
        if (indices === undefined) {
            indices = this.get_selected_cells_indices();
        }

        var undelete_backup = {
            cells: [],
            below: false,
            index: 0,
        };

        var cursor_ix_before = this.get_selected_index();
        var deleting_before_cursor = 0;
        for (var i=0; i < indices.length; i++) {
            if (!this.get_cell(indices[i]).is_deletable()) {
                // If any cell is marked undeletable, cancel
                return this;
            }

            if (indices[i] < cursor_ix_before) {
                deleting_before_cursor++;
            }
        }

        // If we started deleting cells from the top, the later indices would
        // get offset. We sort them into descending order to avoid that.
        indices.sort(function(a, b) {return b-a;});
        for (i=0; i < indices.length; i++) {
            var cell = this.get_cell(indices[i]);
            undelete_backup.cells.push(cell.toJSON());
            this.get_cell_element(indices[i]).remove();
            this.events.trigger('delete.Cell', {'cell': cell, 'index': indices[i]});
        }

        var new_ncells = this.ncells();
        // Always make sure we have at least one cell.
        if (new_ncells === 0) {
            this.insert_cell_below('code');
            new_ncells = 1;
        }

        var cursor_ix_after = this.get_selected_index();
        if (cursor_ix_after === null) {
            // Selected cell was deleted
            cursor_ix_after = cursor_ix_before - deleting_before_cursor;
            if (cursor_ix_after >= new_ncells) {
                cursor_ix_after = new_ncells - 1;
                undelete_backup.below = true;
            }
            this.select(cursor_ix_after);
        }

        // Check if the cells were after the cursor
        for (i=0; i < indices.length; i++) {
            if (indices[i] > cursor_ix_before) {
                undelete_backup.below = true;
            }
        }

        // This will put all the deleted cells back in one location, rather than
        // where they came from. It will do until we have proper undo support.
        undelete_backup.index = cursor_ix_after;
        $('#undelete_cell').removeClass('disabled');
        $('#undelete_cell > a').attr('aria-disabled','false');
        this.undelete_backup_stack.push(undelete_backup);
        this.set_dirty(true);

        return this;
    };

    /**
     * Delete a cell from the notebook.
     * 
     * @param {integer} [index] - cell's numeric index
     * @return {Notebook} This notebook
     */
    Notebook.prototype.delete_cell = function (index) {
        if (index === undefined) {
            return this.delete_cells();
        } else {
            return this.delete_cells([index]);
        }
    };

    /**
     * Restore the most recently deleted cells.
     */
    Notebook.prototype.undelete_cell = function() {
        if (this.undelete_backup_stack.length > 0) {
            var undelete_backup = this.undelete_backup_stack.pop();
            var i, cell_data, new_cell, insert;
            if (undelete_backup.below) {
                insert = $.proxy(this.insert_cell_below, this);
            } else {
                insert = $.proxy(this.insert_cell_above, this);
            }
            for (i=0; i < undelete_backup.cells.length; i++) {
                cell_data = undelete_backup.cells[i];
                new_cell = insert(cell_data.cell_type, undelete_backup.index);
                new_cell.fromJSON(cell_data);
            }

            this.set_dirty(true);
        }
        if (this.undelete_backup_stack.length === 0) {
            $('#undelete_cell').addClass('disabled');
            $('#undelete_cell > a').attr('aria-disabled','true');
        }
    };

    /**
     * Insert a cell so that after insertion the cell is at given index.
     *
     * If cell type is not provided, it will default to the type of the
     * currently active cell.
     *
     * Similar to insert_above, but index parameter is mandatory.
     *
     * Index will be brought back into the accessible range [0,n].
     *
     * @param {string} [type] - in ['code','markdown', 'raw'], defaults to 'code'
     * @param {integer} [index] - a valid index where to insert cell
     * @return {Cell|null} created cell or null
     */
    Notebook.prototype.insert_cell_at_index = function(type, index){

        var ncells = this.ncells();
        index = Math.min(index, ncells);
        index = Math.max(index, 0);
        var cell = null;
        type = type || this.class_config.get_sync('default_cell_type');
        if (type === 'above') {
            if (index > 0) {
                type = this.get_cell(index-1).cell_type;
            } else {
                type = 'code';
            }
        } else if (type === 'below') {
            if (index < ncells) {
                type = this.get_cell(index).cell_type;
            } else {
                type = 'code';
            }
        } else if (type === 'selected') {
            type = this.get_selected_cell().cell_type;
        }

        if (ncells === 0 || this.is_valid_cell_index(index) || index === ncells) {
            var cell_options = {
                events: this.events, 
                config: this.config, 
                keyboard_manager: this.keyboard_manager, 
                notebook: this,
                tooltip: this.tooltip
            };
            switch(type) {
            case 'code':
                cell = new codecell.CodeCell(this.kernel, cell_options);
                cell.set_input_prompt();
                break;
            case 'markdown':
                cell = new textcell.MarkdownCell(cell_options);
                break;
            case 'raw':
                cell = new textcell.RawCell(cell_options);
                break;
            default:
                console.log("Unrecognized cell type: ", type, cellmod);
                cell = new cellmod.UnrecognizedCell(cell_options);
            }

            if(this._insert_element_at_index(cell.element,index)) {
                cell.render();
                this.events.trigger('create.Cell', {'cell': cell, 'index': index});
                cell.refresh();
                // We used to select the cell after we refresh it, but there
                // are now cases were this method is called where select is
                // not appropriate. The selection logic should be handled by the
                // caller of the the top level insert_cell methods.
                this.set_dirty(true);
            }
        }
        return cell;

    };

    /**
     * Insert an element at given cell index.
     *
     * @param {HTMLElement} element - a cell element
     * @param {integer}     [index] - a valid index where to inser cell
     * @returns {boolean}   success
     */
    Notebook.prototype._insert_element_at_index = function(element, index){
        if (element === undefined){
            return false;
        }

        var ncells = this.ncells();

        if (ncells === 0) {
            // special case append if empty
            this.container.append(element);
        } else if ( ncells === index ) {
            // special case append it the end, but not empty
            this.get_cell_element(index-1).after(element);
        } else if (this.is_valid_cell_index(index)) {
            // otherwise always somewhere to append to
            this.get_cell_element(index).before(element);
        } else {
            return false;
        }
        
        this.undelete_backup_stack.map(function (undelete_backup) {
            if (index < undelete_backup.index) {
                undelete_backup.index += 1;
            }
        });
        this.set_dirty(true);
        return true;
    };

    /**
     * Insert a cell of given type above given index, or at top
     * of notebook if index smaller than 0.
     *
     * @param {string}     [type] - cell type
     * @param {integer}    [index] - defaults to the currently selected cell
     * @return {Cell|null} handle to created cell or null
     */
    Notebook.prototype.insert_cell_above = function (type, index) {
        if (index === null || index === undefined) {
            index = Math.min(this.get_selected_index(index), this.get_anchor_index());
        }
        return this.insert_cell_at_index(type, index);
    };

    /**
     * Insert a cell of given type below given index, or at bottom
     * of notebook if index greater than number of cells
     *
     * @param {string}     [type] - cell type
     * @param {integer}    [index] - defaults to the currently selected cell
     * @return {Cell|null} handle to created cell or null
     */
    Notebook.prototype.insert_cell_below = function (type, index) {
        if (index === null || index === undefined) {            
            index = Math.max(this.get_selected_index(index), this.get_anchor_index());
        }
        return this.insert_cell_at_index(type, index+1);
    };


    /**
     * Insert cell at end of notebook
     *
     * @param {string} type - cell type
     * @return {Cell|null} handle to created cell or null
     */
    Notebook.prototype.insert_cell_at_bottom = function (type){
        var len = this.ncells();
        return this.insert_cell_below(type,len-1);
    };

    /**
     * Transfer contents from one cell to a new type cell
     */
    Notebook.prototype.transfer_to_new_cell = function (source_cell, target_cell){
        var text = source_cell.get_text();

        if (text === source_cell.placeholder) {
            text = '';
        }
        // metadata
        target_cell.metadata = source_cell.metadata;
        target_cell.attachments = source_cell.attachments;

        // We must show the editor before setting its contents
        target_cell.unrender();
        target_cell.set_text(text);
        // make this value the starting point, so that we can only undo
        // to this state, instead of a blank cell
        target_cell.code_mirror.clearHistory();
        source_cell.element.remove();
    }
    
    /**
     * Turn one or more cells into code.
     *
     * @param {Array} indices - cell indices to convert
     */
    Notebook.prototype.cells_to_code = function (indices) {
        if (indices === undefined){
            indices = this.get_selected_cells_indices();
        }
        
        for (var i=0; i <indices.length; i++){
            this.to_code(indices[i]);
        }
    };

    /**
     * Turn a cell into a code cell.
     * 
     * @param {integer} [index] - cell index
     */
    Notebook.prototype.to_code = function (index) {
        var i = this.index_or_selected(index);
        if (this.is_valid_cell_index(i)) {
            var source_cell = this.get_cell(i);
            if (!(source_cell instanceof codecell.CodeCell) && source_cell.is_editable()) {
                var target_cell = this.insert_cell_below('code',i);
                var text = source_cell.get_text();
                if (text === source_cell.placeholder) {
                    text = '';
                }
                //metadata
                target_cell.metadata = source_cell.metadata;
                // attachments (we transfer them so they aren't lost if the
                // cell is turned back into markdown)
                target_cell.attachments = source_cell.attachments;

                target_cell.set_text(text);
                // make this value the starting point, so that we can only undo
                // to this state, instead of a blank cell
                target_cell.code_mirror.clearHistory();
                source_cell.element.remove();
                this.select(i);
                var cursor = source_cell.code_mirror.getCursor();
                target_cell.code_mirror.setCursor(cursor);
                this.set_dirty(true);
            }
        }
    };

    /**
     * Turn one or more cells into Markdown.
     *
     * @param {Array} indices - cell indices to convert
     */
     Notebook.prototype.cells_to_markdown = function (indices) {
        if (indices === undefined) {
            indices = this.get_selected_cells_indices();
        }

        for(var i=0; i < indices.length; i++) {
            this.to_markdown(indices[i]);
        }
     };

    /**
     * Turn a cell into a Markdown cell.
     * 
     * @param {integer} [index] - cell index
     */
    Notebook.prototype.to_markdown = function (index) {
        var i = this.index_or_selected(index);
        if (this.is_valid_cell_index(i)) {
            var source_cell = this.get_cell(i);

            if (!(source_cell instanceof textcell.MarkdownCell) && source_cell.is_editable()) {
                var target_cell = this.insert_cell_below('markdown',i);

                this.transfer_to_new_cell(source_cell, target_cell);
                this.select(i);

                if ((source_cell instanceof textcell.TextCell) && source_cell.rendered) {
                    target_cell.render();
                }
                var cursor = source_cell.code_mirror.getCursor();
                target_cell.code_mirror.setCursor(cursor);
                this.set_dirty(true);
            }
        }
    };

    /**
     * Turn one or more cells into a raw text cell.
     *
     * @param {Array} indices - cell indices to convert
     */
     Notebook.prototype.cells_to_raw = function (indices) {
        if (indices === undefined) {
            indices = this.get_selected_cells_indices();
        }

        for(var i=0; i < indices.length; i++) {
            this.to_raw(indices[i]);
        }
     };

    /**
     * Turn a cell into a raw text cell.
     * 
     * @param {integer} [index] - cell index
     */
    Notebook.prototype.to_raw = function (index) {
        var i = this.index_or_selected(index);
        if (this.is_valid_cell_index(i)) {
            var target_cell = null;
            var source_cell = this.get_cell(i);

            if (!(source_cell instanceof textcell.RawCell) && source_cell.is_editable()) {
                target_cell = this.insert_cell_below('raw',i);
                
                this.transfer_to_new_cell(source_cell, target_cell);
                this.select(i);
                
                var cursor = source_cell.code_mirror.getCursor();
                target_cell.code_mirror.setCursor(cursor);
                this.set_dirty(true);
            }
        }
    };
    
    /**
     * Warn about heading cell support removal.
     */
    Notebook.prototype._warn_heading = function () {
        dialog.modal({
            notebook: this,
            keyboard_manager: this.keyboard_manager,
            title : i18n.msg._("Use markdown headings"),
            body : $("<p/>").text(
                i18n.msg._('Jupyter no longer uses special heading cells. ' + 
                'Instead, write your headings in Markdown cells using # characters:')
            ).append($('<pre/>').text(
                i18n.msg._('## This is a level 2 heading')
            )),
            buttons : {
                "OK" : {}
            }
        });
    };
    
    /**
     * Turn a cell into a heading containing markdown cell.
     * 
     * @param {integer} [index] - cell index
     * @param {integer} [level] - heading level (e.g., 1 for h1)
     */
    Notebook.prototype.to_heading = function (index, level) {
        this.to_markdown(index);
        level = level || 1;
        var i = this.index_or_selected(index);
        if (this.is_valid_cell_index(i)) {
            var cell = this.get_cell(i);
            cell.set_heading_level(level);
            this.set_dirty(true);
        }
    };


    // Cut/Copy/Paste

    /**
     * Enable the UI elements for pasting cells.
     */
    Notebook.prototype.enable_paste = function () {
        var that = this;
        if (!this.paste_enabled) {
            $('#paste_cell_replace').removeClass('disabled')
            $('#paste_cell_replace > a').attr('aria-disabled', 'false');
            $('#paste_cell_above').removeClass('disabled')
            $('#paste_cell_above > a').attr('aria-disabled', 'false');
            $('#paste_cell_below').removeClass('disabled')
            $('#paste_cell_below > a').attr('aria-disabled', 'false');
            this.paste_enabled = true;
        }
    };

    /**
     * Disable the UI elements for pasting cells.
     */
    Notebook.prototype.disable_paste = function () {
        if (this.paste_enabled) {
            $('#paste_cell_replace').addClass('disabled');
            $('#paste_cell_replace > a').attr('aria-disabled', 'true');
            $('#paste_cell_above').addClass('disabled');
            $('#paste_cell_above > a').attr('aria-disabled', 'true');
            $('#paste_cell_below').addClass('disabled');
            $('#paste_cell_below > a').attr('aria-disabled', 'true');
            this.paste_enabled = false;
        }
    };

    /**
     * Cut a cell.
     */
    Notebook.prototype.cut_cell = function () {
        this.copy_cell();
        this.delete_cell();
    };

    /**
     * Copy cells.
     */
    Notebook.prototype.copy_cell = function () {
        var cells = this.get_selected_cells();
        if (cells.length === 0) {
            cells = [this.get_selected_cell()];
        }
        
        this.clipboard = [];
        var cell_json;
        for (var i=0; i < cells.length; i++) {
            cell_json = cells[i].toJSON();
            if (cell_json.metadata.deletable !== undefined) {
                delete cell_json.metadata.deletable;
            }
            if (cell_json.id !== undefined) {
                delete cell_json.id;
            }
            this.clipboard.push(cell_json);
        }
        this.enable_paste();
    };

    /**
     * Replace the selected cell with the cells in the clipboard.
     */
    Notebook.prototype.paste_cell_replace = function () {

        if (!(this.clipboard !== null && this.paste_enabled)) {
            return;
        }

        var selected =  this.get_selected_cells_indices();
        var insertion_index = selected[0];
        this.delete_cells(selected);

        for (var i=this.clipboard.length-1; i >= 0; i--) {
            var cell_data = this.clipboard[i];
            var new_cell = this.insert_cell_at_index(cell_data.cell_type, insertion_index);
            new_cell.fromJSON(cell_data);
        }

        this.select(insertion_index+this.clipboard.length-1);
    };

    /**
     * Paste cells from the clipboard above the selected cell.
     */
    Notebook.prototype.paste_cell_above = function () {
        if (this.clipboard !== null && this.paste_enabled) {
            var first_inserted = null;
            for (var i=0; i < this.clipboard.length; i++) {
                var cell_data = this.clipboard[i];
                var new_cell = this.insert_cell_above(cell_data.cell_type);
                new_cell.fromJSON(cell_data);
                if (first_inserted === null) {
                    first_inserted = new_cell;
                }
            }
            first_inserted.focus_cell();
        }
    };

    /**
     * Paste cells from the clipboard below the selected cell.
     */
    Notebook.prototype.paste_cell_below = function () {
        if (this.clipboard !== null && this.paste_enabled) {
            var first_inserted = null;
            for (var i = this.clipboard.length-1; i >= 0; i--) {
                var cell_data = this.clipboard[i];
                var new_cell = this.insert_cell_below(cell_data.cell_type);
                new_cell.fromJSON(cell_data);
                if (first_inserted === null) {
                    first_inserted = new_cell;
                }
            }
            first_inserted.focus_cell();
        }
    };
    
    /**
     * Re-render the output of a code cell.
     */
    Notebook.prototype.render_cell_output = function (code_cell) {
        var cell_data = code_cell.toJSON();
        var cell_index = this.find_cell_index(code_cell);
        var trusted = code_cell.output_area.trusted;
        this.clear_output(cell_index);
        code_cell.output_area.trusted = trusted;
        code_cell.fromJSON(cell_data);
    };

    // Split/merge

    /**
     * Split the selected cell into two cells.
     */
    Notebook.prototype.split_cell = function () {
        var cell = this.get_selected_cell();
        if (cell.is_splittable()) {
            var text_list = cell.get_split_text();
            for (var i = 0; i < text_list.length-1; i++) {
                // Create new cell with same type
                var new_cell = this.insert_cell_above(cell.cell_type);
                // Unrender the new cell so we can call set_text.
                new_cell.unrender();
                new_cell.set_text(text_list[i]);
                // Duplicate metadata
                new_cell.metadata = JSON.parse(JSON.stringify(cell.metadata));
            }
            // Original cell becomes the last one
            // so we don't need to worry about selection
            cell.set_text(text_list[text_list.length-1]);
        }
    };

    /**
     * Merge a series of cells into one
     *
     * @param {Array} indices - the numeric indices of the cells to be merged
     * @param {boolean} into_last - merge into the last cell instead of the first
     */
    Notebook.prototype.merge_cells = function(indices, into_last) {
        if (indices.length <= 1) {
            return;
        }

        // Check if trying to merge above on topmost cell or wrap around
        // when merging above, see #330
        if (indices.filter(function(item) {return item < 0;}).length > 0) {
            return;
        }

        for (var i=0; i < indices.length; i++) {
            if (!this.get_cell(indices[i]).is_mergeable()) {
                return;
            }
        }
        var target = this.get_cell(into_last ? indices.pop() : indices.shift());

        // Get all the cells' contents
        var contents = [];
        for (i=0; i < indices.length; i++) {
            contents.push(this.get_cell(indices[i]).get_text());
        }
        if (into_last) {
            contents.push(target.get_text());
        } else {
            contents.unshift(target.get_text());
        }

        // Update the contents of the target cell
        if (target instanceof codecell.CodeCell) {
            target.set_text(contents.join('\n\n'));
        } else {
            var was_rendered = target.rendered;
            target.unrender(); // Must unrender before we set_text.
            target.set_text(contents.join('\n\n'));
            if (was_rendered) {
                // The rendered state of the final cell should match
                // that of the original selected cell;
                target.render();
            }
        }

        // Delete the other cells
        this.delete_cells(indices);
        
        // Reset the target cell's undo history
        target.code_mirror.clearHistory();

        this.select(this.find_cell_index(target));
    };

    /**
     * Merge the selected range of cells
     */
    Notebook.prototype.merge_selected_cells = function() {
        this.merge_cells(this.get_selected_cells_indices());
    };

    /**
     * Merge the selected cell into the cell above it.
     */
    Notebook.prototype.merge_cell_above = function () {
        var index = this.get_selected_index();
        this.merge_cells([index-1, index], true);
    };

    /**
     * Merge the selected cell into the cell below it.
     */
    Notebook.prototype.merge_cell_below = function () {
        var index = this.get_selected_index();
        this.merge_cells([index, index+1], false);
    };

    // Attachments handling

    /**
     * Shows a dialog letting the user pick an image from her computer and
     * insert it into the edited markdown cell
     */
    Notebook.prototype.insert_image = function () {
        var that = this;
        var cell = this.get_selected_cell();
        // The following should not happen as the menu item is greyed out
        // when those conditions are not fulfilled (see MarkdownCell
        // unselect/select/unrender handlers)
        if (cell.cell_type !== 'markdown') {
            console.log('Error: insert_image called on non-markdown cell');
            return;
        }
        if (cell.rendered) {
            console.log('Error: insert_image called on rendered cell');
            return;
        }
        dialog.insert_image({
            callback: function(file) {
                cell.edit_mode();
                cell.insert_inline_image_from_blob(file);
            },
            notebook: this,
            keyboard_manager: this.keyboard_manager
        });
    };

    /**
     * Cut the attachments of a cell
     */
    Notebook.prototype.cut_cell_attachments = function() {
        var cell = this.get_selected_cell();
        if (cell.attachments !== undefined) {
            this.clipboard_attachments = cell.attachments;
            this.enable_attachments_paste();
            delete cell.attachments;
            cell.unrender();
            cell.render();
        }
    };

    /**
     * Copy the attachments of a cell
     */
    Notebook.prototype.copy_cell_attachments = function() {
        var cell = this.get_selected_cell();
        if (cell.attachments !== undefined) {
          // Do a deep copy of attachments to avoid subsequent modification
          // to the cell to modify the clipboard
          this.clipboard_attachments = $.extend(true, {}, cell.attachments);
          this.enable_attachments_paste();
        }
    };

    /**
     * Paste the attachments in the clipboard into the currently selected
     * cell
     */
    Notebook.prototype.paste_cell_attachments = function() {
        if (this.clipboard_attachments !== null &&
            this.paste_attachments_enabled) {
            var cell = this.get_selected_cell();
            if (cell.attachments === undefined) {
              cell.attachments = {};
            }
            // Do a deep copy so we can paste multiple times
            $.extend(true, cell.attachments, this.clipboard_attachments);
            cell.unrender();
            cell.render();
        }
    };

    /**
     * Disable the "Paste Cell Attachments" menu item
     */
    Notebook.prototype.disable_attachments_paste = function () {
        if (this.paste_attachments_enabled) {
            $('#paste_cell_attachments').addClass('disabled');
            $('#paste_cell_attachments > a').attr('disabled','true');
            this.paste_attachments_enabled = false;
        }
    };

    /**
     * Enable the "Paste Cell Attachments" menu item
     */
    Notebook.prototype.enable_attachments_paste = function () {
        if (!this.paste_attachments_enabled) {
            $('#paste_cell_attachments').removeClass('disabled');
            $('#paste_cell_attachments > a').attr('aria-disabled','false');
            this.paste_attachments_enabled = true;
        }
    };

    /**
     * Enable/disable the "Insert image" menu item
     */
    Notebook.prototype.set_insert_image_enabled = function(enabled) {
        if (enabled) {
            $('#insert_image').removeClass('disabled');
            $('#insert_image > a').attr('aria-disabled', 'false');
        } else {
            $('#insert_image').addClass('disabled');
            $('#insert_image > a').attr('aria-disabled', 'true');
        }
    };

    // Cell collapsing and output clearing

    /**
     * Hide a cell's output.
     * 
     * @param {integer} index - cell index
     */
    Notebook.prototype.collapse_output = function (index) {
        var i = this.index_or_selected(index);
        var cell = this.get_cell(i);
        if (cell !== null && (cell instanceof codecell.CodeCell)) {
            cell.collapse_output();
            this.set_dirty(true);
        }
    };

    /**
     * Hide each code cell's output area.
     */
    Notebook.prototype.collapse_all_output = function () {
        this.get_cells().map(function (cell) {
            if (cell instanceof codecell.CodeCell) {
                cell.collapse_output();
            }
        });
        // this should not be set if the `collapse` key is removed from nbformat
        this.set_dirty(true);
    };

    /**
     * Show a cell's output.
     * 
     * @param {integer} index - cell index
     */
    Notebook.prototype.expand_output = function (index) {
        var i = this.index_or_selected(index);
        var cell = this.get_cell(i);
        if (cell !== null && (cell instanceof codecell.CodeCell)) {
            cell.expand_output();
            this.set_dirty(true);
        }
    };

    /**
     * Expand each code cell's output area, and remove scrollbars.
     */
    Notebook.prototype.expand_all_output = function () {
        this.get_cells().map(function (cell) {
            if (cell instanceof codecell.CodeCell) {
                cell.expand_output();
            }
        });
        // this should not be set if the `collapse` key is removed from nbformat
        this.set_dirty(true);
    };

    /**
     * Clear a code cell's output area.
     * 
     * @param {integer} index - cell index
     */
    Notebook.prototype.clear_output = function (index) {
        var i = this.index_or_selected(index);
        var cell = this.get_cell(i);
        if (cell !== null && (cell instanceof codecell.CodeCell)) {
            cell.clear_output();
            this.set_dirty(true);
        }
    };

    /**
     * Clear multiple selected code cells' output areas.
     *
     */
    Notebook.prototype.clear_cells_outputs = function(indices) {
        if (!indices) {
           indices = this.get_selected_cells_indices();
        }

        for (var i = 0; i < indices.length; i++){
            this.clear_output(indices[i]);
        }
    };

    /**
     * Clear each code cell's output area.
     */
    Notebook.prototype.clear_all_output = function () {
        this.get_cells().map(function (cell) {
            if (cell instanceof codecell.CodeCell) {
                cell.clear_output();
            }
        });
        this.set_dirty(true);
    };

    /**
     * Scroll the selected CodeCell's output area.
     * 
     * @param {integer} index - cell index
     */
    Notebook.prototype.scroll_output = function (index) {
        var i = this.index_or_selected(index);
        var cell = this.get_cell(i);
        if (cell !== null && (cell instanceof codecell.CodeCell)) {
            cell.scroll_output();
            this.set_dirty(true);
        }
    };

    /**
     * Expand each code cell's output area and add a scrollbar for long output.
     */
    Notebook.prototype.scroll_all_output = function () {
        this.get_cells().map(function (cell, i) {
            if (cell instanceof codecell.CodeCell) {
                cell.scroll_output();
            }
        });
        // this should not be set if the `collapse` key is removed from nbformat
        this.set_dirty(true);
    };

    /** 
     * Toggle whether a cell's output is collapsed or expanded.
     * 
     * @param {integer} index - cell index
     */
    Notebook.prototype.toggle_output = function (index) {
        var i = this.index_or_selected(index);
        var cell = this.get_cell(i);
        if (cell !== null && (cell instanceof codecell.CodeCell)) {
            cell.toggle_output();
            this.set_dirty(true);
        }
    };

    /**
     * Toggle whether all selected cells' outputs are collapsed or expanded.
     *
     * @param {integer} indices - the indices of the cells to toggle
     */
    Notebook.prototype.toggle_cells_outputs = function(indices) {
        if (!indices) {
            indices = this.get_selected_cells_indices();
        }

        for (var i = 0; i < indices.length; i++){
            this.toggle_output(indices[i]);
        }
    };

    /**
     * Toggle the output of all cells.
     */
    Notebook.prototype.toggle_all_output = function () {
        this.get_cells().map(function (cell) {
            if (cell instanceof codecell.CodeCell) {
                cell.toggle_output();
            }
        });
        // this should not be set if the `collapse` key is removed from nbformat
        this.set_dirty(true);
    };

    /**
     * Toggle a scrollbar for long cell outputs.
     * 
     * @param {integer} index - cell index
     */
    Notebook.prototype.toggle_output_scroll = function (index) {
        var i = this.index_or_selected(index);
        var cell = this.get_cell(i);
        if (cell !== null && (cell instanceof codecell.CodeCell)) {
            cell.toggle_output_scroll();
            this.set_dirty(true);
        }
    };

    /**
     * Toggle a scrollbar for selected long cells' outputs.
     *
     * @param {integer} indices - the indices of the cells to toggle
     */
    Notebook.prototype.toggle_cells_outputs_scroll = function(indices) {
        if (!indices) {
            indices = this.get_selected_cells_indices();
        }

        for (var i = 0; i < indices.length; i++){
            this.toggle_output_scroll(indices[i]);
        }
    };

    /**
     * Toggle the scrolling of long output on all cells.
     */
    Notebook.prototype.toggle_all_output_scroll = function () {
        this.get_cells().map(function (cell) {
            if (cell instanceof codecell.CodeCell) {
                cell.toggle_output_scroll();
            }
        });
        // this should not be set if the `collapse` key is removed from nbformat
        this.set_dirty(true);
    };

    // Other cell functions: line numbers, ...

    /**
     * Toggle line numbers in the selected cell's input area.
     */
    Notebook.prototype.cell_toggle_line_numbers = function() {
        this.get_selected_cells().map(function(cell){cell.toggle_line_numbers();});
    };


    //dispatch codemirror mode to all cells.
    Notebook.prototype._dispatch_mode = function(spec, newmode){
        this.codemirror_mode = newmode;
        codecell.CodeCell.options_default.cm_config.mode = newmode;
        this.get_cells().map(function(cell) {
            if (cell.cell_type === 'code'){
                cell.code_mirror.setOption('mode', spec);
                // This is currently redundant, because cm_config ends up as
                // codemirror's own .options object, but I don't want to
                // rely on that.
                cell._options.cm_config.mode = spec;
            }
        });

    };

    // roughly try to check mode equality
    var _mode_equal = function(mode1, mode2){
        return ((mode1||{}).name||mode1)===((mode2||{}).name||mode2);
    };
    
    /**
     * Set the codemirror mode for all code cells, including the default for
     * new code cells.
     * Set the mode to 'null' (no highlighting) if it can't be found.
     */
    Notebook.prototype.set_codemirror_mode = function(newmode){
        // if mode is the same don't reset,
        // to avoid n-time re-highlighting.
        if (_mode_equal(newmode, this.codemirror_mode)) {
            return;
        }
        
        var that = this;
        utils.requireCodeMirrorMode(newmode, function (spec) {
            that._dispatch_mode(spec, newmode);
        }, function(){
            // on error don't dispatch the new mode as re-setting it later will not work.
            // don't either set to null mode if it has been changed in the meantime
            if( _mode_equal(newmode, that.codemirror_mode) ){
                that._dispatch_mode('null','null');
            }
        });
    };

    // Session related things

    /**
     * Start a new session and set it on each code cell.
     */
    Notebook.prototype.start_session = function (kernel_name) {
        if (this._session_starting) {
            throw new session.SessionAlreadyStarting();
        }
        this._session_starting = true;

        var options = {
            base_url: this.base_url,
            ws_url: this.ws_url,
            notebook_path: this.notebook_path,
            notebook_name: this.notebook_name,
            kernel_name: kernel_name,
            notebook: this
        };

        var success = $.proxy(this._session_started, this);
        var failure = $.proxy(this._session_start_failed, this);

        if (this.session && this.session.kernel) {
            this.session.restart(options, success, failure);
        } else {
            this.session = new session.Session(options);
            this.session.start(success, failure);
        }
    };


    /**
     * Once a session is started, link the code cells to the kernel and pass the 
     * comm manager to the widget manager.
     */
    Notebook.prototype._session_started = function (){
        this._session_starting = false;
        this.kernel = this.session.kernel;
        var ncells = this.ncells();
        for (var i=0; i<ncells; i++) {
            var cell = this.get_cell(i);
            if (cell instanceof codecell.CodeCell) {
                cell.set_kernel(this.session.kernel);
            }
        }
    };

    /**
     * Called when the session fails to start.
     */
    Notebook.prototype._session_start_failed = function(jqxhr, status, error){
        this._session_starting = false;
        utils.log_ajax_error(jqxhr, status, error);
    };
    
    /**
     * Prompt the user to restart the kernel and re-run everything.
     * if options.confirm === false, no confirmation dialog is shown.
     */
    Notebook.prototype.restart_run_all = function (options) {
        var that = this;
        var restart_options = {};
        restart_options.confirm = (options || {}).confirm;
        restart_options.dialog = {
            notebook: that,
            keyboard_manager: that.keyboard_manager,
            title : i18n.msg._("Restart kernel and re-run the whole notebook?"),
            body : $("<p/>").text(
                i18n.msg._('Are you sure you want to restart the current kernel and re-execute the whole notebook?  All variables and outputs will be lost.')
            ),
            buttons : {
                "Restart and Run All Cells" : {
                    "class" : "btn-danger",
                    "click" : function () {
                        that.execute_all_cells();
                    },
                },
            }
        };
        return this._restart_kernel(restart_options);
    };

    /**
     * Prompt the user to restart the kernel and clear output.
     * if options.confirm === false, no confirmation dialog is shown.
     */
    Notebook.prototype.restart_clear_output = function (options) {
        var that = this;
        var restart_options = {};
        restart_options.confirm = (options || {}).confirm;
        restart_options.dialog = {
            notebook: that,
            keyboard_manager: that.keyboard_manager,
            title : i18n.msg._("Restart kernel and clear all output?"),
            body : $("<p/>").text(
                i18n.msg._('Do you want to restart the current kernel and clear all output?  All variables and outputs will be lost.')
            ),
            buttons : {
                "Restart and Clear All Outputs" : {
                    "class" : "btn-danger",
                    "click" : function (){
                        that.clear_all_output();
                    },
                },
            }
        };
        return this._restart_kernel(restart_options);
    };

    /**
     * Prompt the user to restart the kernel.
     * if options.confirm === false, no confirmation dialog is shown.
     */
    Notebook.prototype.shutdown_kernel = function (options) {
        var that = this;
        var shutdown_options = {};
        shutdown_options.confirm = (options || {}).confirm;
        shutdown_options.dialog = {
            title : "Shutdown kernel?",
            body : $("<p/>").text(
                i18n.msg._('Do you want to shutdown the current kernel?  All variables will be lost.')
            ),
            buttons : {
                "Shutdown" : {
                    "class" : "btn-danger",
                    "click" : function () {},
                },
            }
        };
        shutdown_options.kernel_action = function() {
            that.session.delete();
        };
        return this._restart_kernel(shutdown_options);
    };

    Notebook.prototype.restart_kernel = function (options) {
        var restart_options = {};
        restart_options.confirm = (options || {}).confirm;
        restart_options.dialog = {
            title : i18n.msg._("Restart kernel?"),
            body : $("<p/>").text(
                i18n.msg._('Do you want to restart the current kernel?  All variables will be lost.')
            ),
            buttons : {
                "Restart" : {
                    "class" : "btn-danger",
                    "click" : function () {},
                },
            }
        };
        return this._restart_kernel(restart_options);
    };
    
    // inner implementation of restart dialog & promise
    Notebook.prototype._restart_kernel = function (options) {
        var that = this;
        options = options || {};
        var resolve_promise, reject_promise;
        var promise = new Promise(function (resolve, reject){
            resolve_promise = resolve;
            reject_promise = reject;
        });
        
        function restart_and_resolve () {
            that.kernel.restart(function () {
                // resolve when the kernel is *ready* not just started
                that.events.one('kernel_ready.Kernel', resolve_promise);
            }, reject_promise);
        }

        var do_kernel_action = options.kernel_action || restart_and_resolve;
       
        // no need to confirm if the kernel is not connected
        if (options.confirm === false || !that.kernel.is_connected()) {
            var default_button = options.dialog.buttons[Object.keys(options.dialog.buttons)[0]];
            promise.then(default_button.click);
            do_kernel_action();
            return promise;
        }
        options.dialog.notebook = this;
        options.dialog.keyboard_manager = this.keyboard_manager;
        // add 'Continue running' cancel button
        var buttons = {
            "Continue Running": {},
        };
        // hook up button.click actions after restart promise resolves
        Object.keys(options.dialog.buttons).map(function (key) {
            var button = buttons[key] = options.dialog.buttons[key];
            var click = button.click;
            button.click = function () {
                promise.then(click);
                do_kernel_action();
            };
        });
        options.dialog.buttons = buttons;
        dialog.modal(options.dialog);
        return promise;
    };

    /**
     * 
     * Halt the kernel and close the notebook window
     */
    Notebook.prototype.close_and_halt = function () {
        var close_window = function () {
            /**
             * allow closing of new tabs in Chromium, impossible in FF
             */
                window.open('', '_self', '');
                window.close();
        };
            // finish with close on success or failure
            this.session.delete(close_window, close_window);
    };
    
    /**
     * Execute cells corresponding to the given indices.
     *
     * @param {Array} indices - indices of the cells to execute
     */
    Notebook.prototype.execute_cells = function (indices) {
        if (indices.length === 0) {
            return;
        }

        var cell;
        for (var i = 0; i < indices.length; i++) {
            cell = this.get_cell(indices[i]);
            cell.execute();
        }

        this.select(indices[indices.length - 1]);
        this.command_mode();
        this.set_dirty(true);
    };

    /**
     * Execute or render cell outputs and go into command mode.
     */
    Notebook.prototype.execute_selected_cells = function () {
        this.execute_cells(this.get_selected_cells_indices());
    };

    
    /**
     * Alias for execute_selected_cells, for backwards compatibility --
     * previously, doing "Run Cell" would only ever run a single cell (hence
     * `execute_cell`), but now it runs all marked cells, so that's the
     * preferable function to use. But it is good to keep this function to avoid
     * breaking existing extensions, etc.
     */
    Notebook.prototype.execute_cell = function () {
        this.execute_selected_cells();
    };

    /**
     * Execute or render cell outputs and insert a new cell below.
     */
    Notebook.prototype.execute_cell_and_insert_below = function () {
        var indices = this.get_selected_cells_indices();
        var cell_index;
        if (indices.length > 1) {
            this.execute_cells(indices);
            cell_index = Math.max.apply(Math, indices);
        } else {
            var cell = this.get_selected_cell();
            cell_index = this.find_cell_index(cell);
            cell.execute();
        }

        // If we are at the end always insert a new cell and return
        if (cell_index === (this.ncells()-1)) {
            this.command_mode();
            this.insert_cell_below();
            this.select(cell_index+1);
            this.edit_mode();
            this.scroll_to_bottom();
            this.set_dirty(true);
            return;
        }

        this.command_mode();
        this.insert_cell_below();
        this.select(cell_index+1);
        this.edit_mode();
        this.set_dirty(true);
    };

    /**
     * Execute or render cell outputs and select the next cell.
     */
    Notebook.prototype.execute_cell_and_select_below = function () {
        var indices = this.get_selected_cells_indices();
        var cell_index;
        if (indices.length > 1) {
            this.execute_cells(indices);
            cell_index = Math.max.apply(Math, indices);
        } else {
            var cell = this.get_selected_cell();
            cell_index = this.find_cell_index(cell);
            cell.execute();
        }

        // If we are at the end always insert a new cell and return
        if (cell_index === (this.ncells()-1)) {
            this.command_mode();
            this.insert_cell_below();
            this.select(cell_index+1);
            this.edit_mode();
            this.scroll_to_bottom();
            this.set_dirty(true);
            return;
        }

        this.command_mode();
        this.select(cell_index+1);
        this.focus_cell();
        this.set_dirty(true);
    };

    /**
     * Execute all cells below the selected cell.
     */
    Notebook.prototype.execute_cells_below = function () {
        this.execute_cell_range(this.get_selected_index(), this.ncells());
        this.scroll_to_bottom();
    };

    /**
     * Execute all cells above the selected cell.
     */
    Notebook.prototype.execute_cells_above = function () {
        this.execute_cell_range(0, this.get_selected_index());
    };

    /**
     * Execute all cells.
     */
    Notebook.prototype.execute_all_cells = function () {
        this.execute_cell_range(0, this.ncells());
        this.scroll_to_bottom();
    };

    /**
     * Execute a contiguous range of cells.
     * 
     * @param {integer} start - index of the first cell to execute (inclusive)
     * @param {integer} end - index of the last cell to execute (exclusive)
     */
    Notebook.prototype.execute_cell_range = function (start, end) {
        this.command_mode();
        var indices = [];
        for (var i=start; i<end; i++) {
            indices.push(i);
        }
        this.execute_cells(indices);
    };

    // Persistance and loading

    /**
     * Getter method for this notebook's name.
     * 
     * @return {string} This notebook's name (excluding file extension)
     */
    Notebook.prototype.get_notebook_name = function () {
        return utils.splitext(this.notebook_name)[0];
    };

    /**
     * Setter method for this notebook's name.
     *
     * @param {string} name
     */
    Notebook.prototype.set_notebook_name = function (name) {
        var parent = utils.url_path_split(this.notebook_path)[0];
        this.notebook_name = name;
        this.notebook_path = utils.url_path_join(parent, name);
    };

    /**
     * Check that a notebook's name is valid.
     * 
     * @param {string} nbname - A name for this notebook
     * @return {boolean} True if the name is valid, false if invalid
     */
    Notebook.prototype.test_notebook_name = function (nbname) {
        nbname = nbname || '';
        return nbname.length > 0 && !this.notebook_name_blacklist_re.test(nbname);
    };

    /**
     Move the unused attachments garbage collection logic to TextCell.toJSON.
     * Load a notebook from JSON (.ipynb).
     *
     * @param {object} data - JSON representation of a notebook
     */
    Notebook.prototype.fromJSON = function (data) {

        var content = data.content;
        var ncells = this.ncells();
        var i;
        for (i=0; i<ncells; i++) {
            // Always delete cell 0 as they get renumbered as they are deleted.
            this._unsafe_delete_cell(0);
        }
        // Save the metadata and name.
        this.metadata = content.metadata;
        this.notebook_name = data.name;
        this.notebook_path = data.path;
        var trusted = true;
        
        // Set the codemirror mode from language_info metadata
        if (this.metadata.language_info !== undefined) {
            var langinfo = this.metadata.language_info;
            // Mode 'null' should be plain, unhighlighted text.
            var cm_mode = langinfo.codemirror_mode || langinfo.name || 'null';
            this.set_codemirror_mode(cm_mode);
        }
        
        var new_cells = content.cells;
        ncells = new_cells.length;
        var cell_data = null;
        var new_cell = null;
        for (i=0; i<ncells; i++) {
            cell_data = new_cells[i];
            new_cell = this.insert_cell_at_index(cell_data.cell_type, i);
            new_cell.fromJSON(cell_data);
            if (new_cell.cell_type === 'code' && !new_cell.output_area.trusted) {
                trusted = false;
            }
        }
        if (trusted !== this.trusted) {
            this.trusted = trusted;
            this.events.trigger("trust_changed.Notebook", trusted);
        }

        this.apply_directionality();

    };

    /**
     * Dump this notebook into a JSON-friendly object.
     * 
     * @return {object} A JSON-friendly representation of this notebook.
     */
    Notebook.prototype.toJSON = function () {
        // remove the conversion indicator, which only belongs in-memory
        delete this.metadata.orig_nbformat;
        delete this.metadata.orig_nbformat_minor;

        var cells = this.get_cells();
        var ncells = cells.length;
        var cell_array = new Array(ncells);
        var trusted = true;
        for (var i=0; i<ncells; i++) {
            var cell = cells[i];
            if (cell.cell_type === 'code' && !cell.output_area.trusted) {
                trusted = false;
            }
            cell_array[i] = cell.toJSON(true);
        }
        var data = {
            cells: cell_array,
            metadata: this.metadata,
            nbformat: this.nbformat,
            nbformat_minor: this.nbformat_minor
        };
        if (trusted !== this.trusted) {
            this.trusted = trusted;
            this.events.trigger("trust_changed.Notebook", trusted);
        }
        return data;
    };

    /**
     * Start an autosave timer which periodically saves the notebook.
     * 
     * @param {integer} interval - the autosave interval in milliseconds
     */
    Notebook.prototype.set_autosave_interval = function (interval) {
        var that = this;
        // clear previous interval, so we don't get simultaneous timers
        if (this.autosave_timer) {
            clearInterval(this.autosave_timer);
        }
        if (!this.writable) {
            // disable autosave if not writable
            interval = 0;
        }
        
        this.autosave_interval = this.minimum_autosave_interval = interval;
        if (interval) {
            this.autosave_timer = setInterval(function() {
                if (that.dirty) {
                    that.save_notebook();
                }
            }, interval);
            this.events.trigger("autosave_enabled.Notebook", interval);
        } else {
            this.autosave_timer = null;
            this.events.trigger("autosave_disabled.Notebook");
        }
    };
    
    /**
     * Save this notebook on the server. This becomes a notebook instance's
     * .save_notebook method *after* the entire notebook has been loaded.
     *
     */
    Notebook.prototype.save_notebook = function (check_last_modified) {
        if (check_last_modified === undefined) {
            check_last_modified = true;
        }

        var error;
        if (!this._fully_loaded) {
            error = new Error("Load failed, save is disabled");
            this.events.trigger('notebook_save_failed.Notebook', error);
            return Promise.reject(error);
        } else if (!this.writable) {
            error = new Error("Notebook is read-only");
            this.events.trigger('notebook_save_failed.Notebook', error);
            return Promise.reject(error);
        }

        // Trigger an event before save, which allows listeners to modify
        // the notebook as needed.
        this.events.trigger('before_save.Notebook');

        // Create a JSON model to be sent to the server.
        var model = {
            type : "notebook",
            content : this.toJSON()
        };
        // time the ajax call for autosave tuning purposes.
        var start =  new Date().getTime();

        var that = this;
        var _save = function () {
            return that.contents.save(that.notebook_path, model).then(
                $.proxy(that.save_notebook_success, that, start),
                function (error) {
                    that.events.trigger('notebook_save_failed.Notebook', error);
                    // This hasn't handled the error, so propagate it up
                    return Promise.reject(error);
                }
            );
        };

        if (check_last_modified) {
            return this.contents.get(this.notebook_path, {content: false}).then(
                function (data) {
                    var last_modified = new Date(data.last_modified);
                    var last_modified_check_margin = (that.config.data['last_modified_check_margin'] || 0.5) * 1000; // 500 ms
                    // We want to check last_modified (disk) > that.last_modified (our last save)
                    // In some cases the filesystem reports an inconsistent time,
                    // so we allow 0.5 seconds difference before complaining.
                    // This is configurable in nbconfig/notebook.json as `last_modified_check_margin`.
                    if ((last_modified.getTime() - that.last_modified.getTime()) > last_modified_check_margin) {  
                        console.warn("Last saving was done on `"+that.last_modified+"`("+that._last_modified+"), "+
                                    "while the current file seem to have been saved on `"+data.last_modified+"`");
                        if (that._changed_on_disk_dialog !== null) {
                            // update save callback on the confirmation button
                            that._changed_on_disk_dialog.find('.save-confirm-btn').click(_save);
                            //Rebind Click Event on Reload
                            that._changed_on_disk_dialog.find('.btn-warning').click(function () {window.location.reload()});
                            // redisplay existing dialog
                            that._changed_on_disk_dialog.modal('show');
                        } else {
                          // create new dialog
                          that._changed_on_disk_dialog = dialog.modal({
                            notebook: that,
                            keyboard_manager: that.keyboard_manager,
                            title: i18n.msg._("Notebook changed"),
                            body: i18n.msg._("The notebook file has changed on disk since the last time we opened or saved it. "
                                  + "Do you want to overwrite the file on disk with the version open here, or load "
                                  + "the version on disk (reload the page)?"),
                            buttons: {
                                Reload: {
                                    class: 'btn-warning',
                                    click: function() {
                                        window.location.reload();
                                    }
                                },
                                Cancel: {},
                                Overwrite: {
                                    class: 'btn-danger save-confirm-btn',
                                    click: function () {
                                        _save();
                                    }
                                },
                            }
                          });
                        }
                    } else {
                        return _save();
                    }
                }, function () {
                    // maybe it has been deleted or renamed? Go ahead and save.
                    return _save();
                }
            );
        } else {
            return _save();
        }
    };
    
    /**
     * Success callback for saving a notebook.
     * 
     * @param {integer} start - Time when the save request start
     * @param {object}  data - JSON representation of a notebook
     */
    Notebook.prototype.save_notebook_success = function (start, data) {
        this.set_dirty(false);
        this.last_modified = new Date(data.last_modified);
        // debug 484
        this._last_modified = 'save-success:'+data.last_modified;
        if (data.message) {
            // save succeeded, but validation failed.
            var body = $("<div>");
            var title = i18n.msg._("Notebook validation failed");

            body.append($("<p>").text(
                i18n.msg._("The save operation succeeded," +
                " but the notebook does not appear to be valid." +
                " The validation error was:")
            )).append($("<div>").addClass("validation-error").append(
                $("<pre>").text(data.message)
            ));
            dialog.modal({
                notebook: this,
                keyboard_manager: this.keyboard_manager,
                title: title,
                body: body,
                buttons : {
                    OK : {
                        "class" : "btn-primary"
                    }
                }
            });
        }
        this.events.trigger('notebook_saved.Notebook');
        this._update_autosave_interval(start);
        if (this._checkpoint_after_save) {
            this.create_checkpoint();
            this._checkpoint_after_save = false;
        }
        return data;
    };

    Notebook.prototype.save_notebook_as = function() {
        var that = this;
        var current_dir = $('body').attr('data-notebook-path').split('/').slice(0, -1).join("/");
        current_dir = current_dir? current_dir + "/": "";
        current_dir = decodeURIComponent(current_dir);
        var dialog_body = $('<div/>').append(
            $('<p/>').addClass('save-message')
                .text(i18n.msg._('Enter a notebook path relative to notebook dir'))
        ).append(
            $('<br/>')
        ).append(
            $('<input/>').attr('type','text').attr('size','25')
            .attr('data-testid', 'save-as')
            .addClass('form-control')
        );

        var d = dialog.modal({
            title: 'Save As',
            body: dialog_body,
            keyboard_manager: this.keyboard_manager,
            notebook: this,
            buttons: {
                Cancel: {},
                Save: {
                    class: 'btn-primary',
                    click: function() {
                        var nb_path = d.find('input').val();
                        var nb_name = nb_path.split('/').slice(-1).pop();
                        if (!nb_name) {
                            $(".save-message").html(
                                    $("<span>")
                                        .attr("style", "color:red;")
                                        .text($(".save-message").text())
                                );
                            return false;
                        }
                        // If notebook name does not contain extension '.ipynb' add it
                        var ext = utils.splitext(nb_name)[1];
                        if (ext === '') {
                            nb_name = nb_name + '.ipynb';
                            nb_path = nb_path + '.ipynb';
                        }
                        var save_thunk = function() {
                            var model = {
                                'type': 'notebook',
                                'content': that.toJSON(),
                                'name': nb_name
                            };
                            var start = new Date().getTime();
                            return that.contents.save(nb_path, model)
                                .then(function(data) {
                                    d.modal('hide');
                                    that.writable = true;
                                    that.notebook_name = data.name;
                                    that.notebook_path = data.path;
                                    that.session.rename_notebook(data.path);
                                    that.events.trigger('notebook_renamed.Notebook', data);
                                    that.save_notebook_success(start, data);
                                }, function(error) {
                                    var msg = i18n.msg._(error.message || 'Unknown error saving notebook');
                                    $(".save-message").html(
                                        $("<span>")
                                            .attr("style", "color:red;")
                                            .text(msg)
                                    );
                                });
                        };
                        that.contents.get(nb_path, {type: 'notebook', content: false}).then(function(data) {
                            var warning_body = $('<div/>').append(
                                $("<p/>").text(i18n.msg._('Notebook with that name exists.')));
                            dialog.modal({
                                title: 'Save As',
                                body: warning_body,
                                buttons: {Cancel: {},
                                Overwrite: {
                                    class: 'btn-warning',
                                    click: function() {
                                        return save_thunk();
                                    }
                                }
                            }
                            });
                        }, function(err) {
                            return save_thunk();
                        });
                        return false;
                    }
                },
            },
            open : function () {
                d.find('input[type="text"]').keydown(function (event) {
                    if (event.which === keyboard.keycodes.enter) {
                        d.find('.btn-primary').first().click();
                        return false;
                    }
                });
                d.find('input[type="text"]').val(current_dir).focus();
             }
         });
    };

    /**
     * Update the autosave interval based on the duration of the last save.
     * 
     * @param {integer} start - when the save request started
     */
    Notebook.prototype._update_autosave_interval = function (start) {
        var duration = (new Date().getTime() - start);
        if (this.autosave_interval) {
            // new save interval: higher of 10x save duration or parameter (default 30 seconds)
            var interval = Math.max(10 * duration, this.minimum_autosave_interval);
            // ceil to 10 seconds, otherwise we will be setting a new interval too often
            // do not round or anything below 5000ms will desactivate saving.
            interval = 10000 * Math.ceil(interval / 10000);
            // set new interval, if it's changed
            if (interval !== this.autosave_interval) {
                this.set_autosave_interval(interval);
            }
        }
    };

    /**
     * Explicitly trust the output of this notebook.
     */
    Notebook.prototype.trust_notebook = function (from_notification) {
        var body = $("<div>").append($("<p>")
            .text(i18n.msg._("A trusted Jupyter notebook may execute hidden malicious code when you open it. " +
                    "Selecting trust will immediately reload this notebook in a trusted state. " +
                    "For more information, see the Jupyter security documentation: "))
            .append($("<a>").attr("href", "https://jupyter-notebook.readthedocs.io/en/stable/security.html")
                .text(i18n.msg._("here"))
            )
        );

        var nb = this;
        dialog.modal({
            notebook: this,
            keyboard_manager: this.keyboard_manager,
            title: i18n.msg._("Trust this notebook?"),
            body: body,
            focus_button: from_notification,

            buttons: {
                Cancel : {},
                Trust : {
                    class : "btn-danger",
                    click : function () {
                        var cells = nb.get_cells();
                        for (var i = 0; i < cells.length; i++) {
                            var cell = cells[i];
                            if (cell.cell_type === 'code') {
                                cell.output_area.trusted = true;
                            }
                        }
                        // If its write only and dirty, save before 
                        // trusting
                        var pr;
                        if(nb.writable && nb.dirty) {
                            pr = nb.save_notebook();
                        }
                        else {
                            pr = Promise.resolve();
                        }
                        return pr.then(function() {                            
                            nb.contents.trust(nb.notebook_path)
                            .then(function() {
                                nb.events.trigger("trust_changed.Notebook", true);
                                window.location.reload();
                            }, function(err) {
                                console.log(err);
                            });
                        });
                    }
                }
            }
        });
    };

    /**
     * Make a copy of the current notebook.
     * If the notebook has unsaved changes, it is saved first.
     */
    Notebook.prototype.copy_notebook = function () {
        var that = this;
        var base_url = this.base_url;
        var w = window.open('', IPython._target);
        var parent = utils.url_path_split(this.notebook_path)[0];
        var p;
        if (this.dirty && this.writable) {
            p = this.save_notebook(true);
        } else {
            p = Promise.resolve();
        }
        return p.then(function () {
            return that.contents.copy(that.notebook_path, parent).then(
                function (data) {
                    w.location = utils.url_path_join(
                        base_url, 'notebooks', utils.encode_uri_components(data.path)
                    );
                },
                function(error) {
                    w.close();
                    that.events.trigger('notebook_copy_failed', error);
                }
            );
        });
    };
    
    /**
     * Ensure a filename has the right extension
     * Returns the filename with the appropriate extension, appending if necessary.
     */
    Notebook.prototype.ensure_extension = function (name) {
        var ext = utils.splitext(this.notebook_path)[1];
        if (ext.length && name.slice(-ext.length) !== ext) {
            name = name + ext;
        }
        return name;
    };

    /**
     * Rename the notebook.
     * @param  {string} new_name
     * @return {Promise} promise that resolves when the notebook is renamed.
     */
    Notebook.prototype.rename = function (new_name) {
        new_name = this.ensure_extension(new_name);

        var that = this;
        var parent = utils.url_path_split(this.notebook_path)[0];
        var new_path = utils.url_path_join(parent, new_name);
        return this.contents.rename(this.notebook_path, new_path).then(
            function (json) {
                that.notebook_name = json.name;
                that.notebook_path = json.path;
                that.last_modified = new Date(json.last_modified);
                // debug 484
                that._last_modified = json.last_modified;
                that.session.rename_notebook(json.path);
                that.events.trigger('notebook_renamed.Notebook', json);
            }
        );
    };

    /**
     * Delete this notebook
     */
    Notebook.prototype.delete = function () {
        this.contents.delete(this.notebook_path);
    };

    /**
     * Request a notebook's data from the server.
     * 
     * @param {string} notebook_path - A notebook to load
     */
    Notebook.prototype.load_notebook = function (notebook_path) {
        this.notebook_path = notebook_path;
        this.notebook_name = utils.url_path_split(this.notebook_path)[1];
        this.events.trigger('notebook_loading.Notebook');
        this.contents.get(notebook_path, {type: 'notebook'}).then(
            $.proxy(this.load_notebook_success, this),
            $.proxy(this.load_notebook_error, this)
        );
    };

    /**
     * Success callback for loading a notebook from the server.
     * 
     * Load notebook data from the JSON response.
     * 
     * @param {object} data JSON representation of a notebook
     */
    Notebook.prototype.load_notebook_success = function (data) {
        var failed, msg;
        try {
            this.fromJSON(data);
        } catch (e) {
            failed = e;
            console.error("Notebook failed to load from JSON:", e);
        }
        if (failed || data.message) {
            // *either* fromJSON failed or validation failed
            var body = $("<div>");
            var title;
            if (failed) {
                title = i18n.msg._("Notebook failed to load");
                body.append($("<p>").text(
                    i18n.msg._("The error was: ")
                )).append($("<div>").addClass("js-error").text(
                    failed.toString()
                )).append($("<p>").text(
                    i18n.msg._("See the error console for details.")
                ));
            } else {
                title = i18n.msg._("Notebook validation failed");
            }

            if (data.message) {
                if (failed) {
                    msg = i18n.msg._("The notebook also failed validation:");
                } else {
                    msg = i18n.msg._("An invalid notebook may not function properly." +
                    " The validation error was:");
                }
                body.append($("<p>").text(
                    msg
                )).append($("<div>").addClass("validation-error").append(
                    $("<pre>").text(data.message)
                ));
            }

            dialog.modal({
                notebook: this,
                keyboard_manager: this.keyboard_manager,
                title: title,
                body: body,
                buttons : {
                    OK : {
                        "class" : "btn-primary"
                    }
                }
            });
        }
        if (this.ncells() === 0) {
            this.insert_cell_below('code');
            this.edit_mode(0);
        } else {
            this.select(0);
            this.handle_command_mode(this.get_cell(0));
        }
        this.set_dirty(false);
        this.scroll_to_top();
        this.writable = data.writable || false;
        this.last_modified = new Date(data.last_modified);
        // debug 484
        this._last_modified = 'load-success:'+data.last_modified;
        var nbmodel = data.content;
        var orig_nbformat = nbmodel.metadata.orig_nbformat;
        var orig_nbformat_minor = nbmodel.metadata.orig_nbformat_minor;
        if (orig_nbformat !== undefined && nbmodel.nbformat !== orig_nbformat) {
            var oldmsg = i18n.msg._("This notebook has been converted from an older notebook format" +
            " to the current notebook format v(%s).");
            var newmsg = i18n.msg._("This notebook has been converted from a newer notebook format" +
            " to the current notebook format v(%s).");
            if (nbmodel.nbformat > orig_nbformat) {
                msg = i18n.msg.sprintf(oldmsg,nbmodel.nbformat);
            } else {
                msg = i18n.msg.sprintf(newmsg,nbmodel.nbformat);
            }
            msg += " ";
            msg += i18n.msg._("The next time you save this notebook, the " +
            "current notebook format will be used.");
            
            msg += " ";
            if (nbmodel.nbformat > orig_nbformat) {
                msg += i18n.msg._("Older versions of Jupyter may not be able to read the new format.");
            } else {
                msg += i18n.msg._("Some features of the original notebook may not be available.");
            }
            msg += " ";
            msg += i18n.msg._("To preserve the original version, close the " +
                "notebook without saving it.");
            dialog.modal({
                notebook: this,
                keyboard_manager: this.keyboard_manager,
                title : i18n.msg._("Notebook converted"),
                body : msg,
                buttons : {
                    OK : {
                        class : "btn-primary"
                    }
                }
            });
        } else if (this.nbformat_minor < nbmodel.nbformat_minor) {
            this.nbformat_minor = nbmodel.nbformat_minor;
        }

        if (this.session === null) {
            var kernel_name = utils.get_url_param('kernel_name');
            if (kernel_name) {
                this.kernel_selector.set_kernel(kernel_name);
            } else if (this.metadata.kernelspec) {
                this.kernel_selector.set_kernel(this.metadata.kernelspec);
            } else if (this.metadata.language) {
                // compat with IJulia, IHaskell, and other early kernels
                // adopters that where setting a language metadata.
                this.kernel_selector.set_kernel({
                    name: i18n.msg._("(No name)"),
                    language: this.metadata.language
                  });
                // this should be stored in kspec now, delete it.
                // remove once we do not support notebook v3 anymore.
                delete this.metadata.language;
            } else {
                // setting kernel via set_kernel above triggers start_session,
                // otherwise start a new session with the server's default kernel
                // spec_changed events will fire after kernel is loaded
                this.start_session();
            }
        }
        // load our checkpoint list
        this.list_checkpoints();
        
        // load toolbar state
        if (this.metadata.celltoolbar) {
            celltoolbar.CellToolbar.global_show();
            celltoolbar.CellToolbar.activate_preset(this.metadata.celltoolbar);
        } else {
            celltoolbar.CellToolbar.global_hide();
        }
        
        if (!this.writable) {
            this.set_autosave_interval(0);
            this.events.trigger('notebook_read_only.Notebook');
        }
        
        // now that we're fully loaded, it is safe to restore save functionality
        this._fully_loaded = true;
        this.events.trigger('notebook_loaded.Notebook');
    };

    Notebook.prototype.set_kernelselector = function(k_selector){
        this.kernel_selector = k_selector;
    };

    /**
     * Failure callback for loading a notebook from the server.
     * 
     * @param {Error} error
     */
    Notebook.prototype.load_notebook_error = function (error) {
        var isSanitized = true;
        this.events.trigger('notebook_load_failed.Notebook', error);
        var msg;
        if (error.name === utils.XHR_ERROR && error.xhr.status === 500) {
            utils.log_ajax_error(error.xhr, error.xhr_status, error.xhr_error);
            msg = i18n.msg.sprintf(i18n.msg._("An unknown error occurred while loading this notebook. " +
            "This version can load notebook formats %s or earlier. See the server log for details.",
            "v" + this.nbformat));
        } else {
            msg = error.message;
            console.warn('Error stack trace while loading notebook was:');
            console.warn(error.stack);
        }
        if (navigator.cookieEnabled == false){
            msg = i18n.msg._("Jupyter requires cookies to work; please enable cookies" +
                " and refresh page. <a href=\"https://www.wikihow.com/Enable-Cookies-in-Your-Internet-Web-Browser\"> Learn more about enabling cookies. </a>");
            isSanitized = false;
        }
        dialog.modal({
            notebook: this,
            keyboard_manager: this.keyboard_manager,
            title: i18n.msg._("Error loading notebook"),
            body : msg,
            buttons : {
                "Close": {
                    class : 'btn-danger',
                    click : function () {
                        window.close();
                    }
                }
              },
              sanitize: isSanitized
          
        });
    };

    /*********************  checkpoint-related  ********************/
    
    /**
     * Save the notebook then immediately create a checkpoint.
     */
    Notebook.prototype.save_checkpoint = function () {
        this._checkpoint_after_save = true;
        return this.save_notebook(true);
    };
    
    /**
     * Add a checkpoint for this notebook.
     */
    Notebook.prototype.add_checkpoint = function (checkpoint) {
        var found = false;
        for (var i = 0; i < this.checkpoints.length; i++) {
            var existing = this.checkpoints[i];
            if (existing.id === checkpoint.id) {
                found = true;
                this.checkpoints[i] = checkpoint;
                break;
            }
        }
        if (!found) {
            this.checkpoints.push(checkpoint);
        }
        this.last_checkpoint = this.checkpoints[this.checkpoints.length - 1];
    };
    
    /**
     * List checkpoints for this notebook.
     */
    Notebook.prototype.list_checkpoints = function () {
        var that = this;
        this.contents.list_checkpoints(this.notebook_path).then(
            $.proxy(this.list_checkpoints_success, this),
            function(error) {
                that.events.trigger('list_checkpoints_failed.Notebook', error);
            }
        );
    };

    /**
     * Success callback for listing checkpoints.
     * 
     * @param {object} data - JSON representation of a checkpoint
     */
    Notebook.prototype.list_checkpoints_success = function (data) {
        this.checkpoints = data;
        if (data.length) {
            this.last_checkpoint = data[data.length - 1];
        } else {
            this.last_checkpoint = null;
        }
        this.events.trigger('checkpoints_listed.Notebook', [data]);
    };

    /**
     * Create a checkpoint of this notebook on the server from the most recent save.
     */
    Notebook.prototype.create_checkpoint = function () {
        var that = this;
        this.contents.create_checkpoint(this.notebook_path).then(
            $.proxy(this.create_checkpoint_success, this),
            function (error) {
                that.events.trigger('checkpoint_failed.Notebook', error);
            }
        );
    };

    /**
     * Success callback for creating a checkpoint.
     * 
     * @param {object} data - JSON representation of a checkpoint
     */
    Notebook.prototype.create_checkpoint_success = function (data) {
        this.add_checkpoint(data);
        this.events.trigger('checkpoint_created.Notebook', data);
    };

    /**
     * Display the restore checkpoint dialog
     * @param  {string} checkpoint ID
     */
    Notebook.prototype.restore_checkpoint_dialog = function (checkpoint) {
        var that = this;
        checkpoint = checkpoint || this.last_checkpoint;
        if ( ! checkpoint ) {
            console.log("restore dialog, but no checkpoint to restore to!");
            return;
        }
        var body = $('<div/>').append(
            $('<p/>').addClass("p-space").text(
                i18n.msg._("Are you sure you want to revert the notebook to " +
                "the latest checkpoint?")
            ).append(
                $("<strong/>").text(" "+i18n.msg._("This cannot be undone."))
            )
        ).append(
            $('<p/>').addClass("p-space").text(i18n.msg._("The checkpoint was last updated at:"))
        ).append(
            $('<p/>').addClass("p-space").text(
                moment(checkpoint.last_modified).format('LLLL') +
                ' ('+moment(checkpoint.last_modified).fromNow()+')'// Long form:  Tuesday, January 27, 2015 12:15 PM
            ).css("text-align", "center")
        );
        
        dialog.modal({
            notebook: this,
            keyboard_manager: this.keyboard_manager,
            title : i18n.msg._("Revert notebook to checkpoint"),
            body : body,
            default_button: "Cancel",
            buttons : {
                Cancel: {},
                Revert : {
                    class : "btn-danger",
                    click : function () {
                        that.restore_checkpoint(checkpoint.id);
                    }
                }
            }
        });
    };
    
    /**
     * Restore the notebook to a checkpoint state.
     * 
     * @param {string} checkpoint ID
     */
    Notebook.prototype.restore_checkpoint = function (checkpoint) {
        this.events.trigger('notebook_restoring.Notebook', checkpoint);
        var that = this;
        this.contents.restore_checkpoint(this.notebook_path, checkpoint).then(
            $.proxy(this.restore_checkpoint_success, this),
            function (error) {
                that.events.trigger('checkpoint_restore_failed.Notebook', error);
            }
        );
    };
    
    /**
     * Success callback for restoring a notebook to a checkpoint.
     */
    Notebook.prototype.restore_checkpoint_success = function () {
        this.events.trigger('checkpoint_restored.Notebook');
        this.load_notebook(this.notebook_path);
    };

    /**
     * Delete a notebook checkpoint.
     * 
     * @param {string} checkpoint ID
     */
    Notebook.prototype.delete_checkpoint = function (checkpoint) {
        this.events.trigger('notebook_restoring.Notebook', checkpoint);
        var that = this;
        this.contents.delete_checkpoint(this.notebook_path, checkpoint).then(
            $.proxy(this.delete_checkpoint_success, this),
            function (error) {
                that.events.trigger('checkpoint_delete_failed.Notebook', error);
            }
        );
    };
    
    /**
     * Success callback for deleting a notebook checkpoint.
     */
    Notebook.prototype.delete_checkpoint_success = function () {
        this.events.trigger('checkpoint_deleted.Notebook');
        this.load_notebook(this.notebook_path);
    };

    return {Notebook: Notebook};
});

// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.

define('base/js/page',[
    'jquery',
    'base/js/events',
], function($, events){
    "use strict";

    var Page = function (header_div_selector, site_div_selector) {
        /**
        * Constructor
        *
        * Parameters
        * header_div_selector: string
        * site_div_selector: string
        */
        this.header_div_element = $(header_div_selector || 'div#header');
        this.site_div_element = $(site_div_selector || 'div#site');

        this.bind_events();
    };

    Page.prototype.bind_events = function () {
        // resize site on:
        // - window resize
        // - header change
        // - page load
        var _handle_resize = $.proxy(this._resize_site, this);

        $(window).resize(_handle_resize);

        // On document ready, resize codemirror.
        $(document).ready(_handle_resize);
        events.on('resize-header.Page', _handle_resize);
    };

    Page.prototype.show = function () {
        /**
         * The header and site divs start out hidden to prevent FLOUC.
         * Main scripts should call this method after styling everything.
         */
        this.show_header();
        this.show_site();
    };

    Page.prototype.show_header = function () {
        /**
         * The header and site divs start out hidden to prevent FLOUC.
         * Main scripts should call this method after styling everything.
         */
        this.header_div_element.css('display','block');
    };

    Page.prototype.show_site = function () {
        /**
         * The header and site divs start out hidden to prevent FLOUC.
         * Main scripts should call this method after styling everything.
         */
        this.site_div_element.css('display', 'block');
        this._resize_site();
    };

    Page.prototype._resize_site = function(e) {
        /**
         * Update the site's size.
         */

        // In the case an event is passed in, only trigger if the event does
        // *not* have a target DOM node (i.e., it is not bubbling up). See
        // https://bugs.jquery.com/ticket/9841#comment:8
        if (!(e && e.target && e.target.tagName)) {
            $('div#site').height($(window).height() - $('#header').height());
        }
    };

    return {'Page': Page};
});

// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.

// Define an object to attach promises to for one-time events.

define('base/js/promises',['base/js/events', 'base/js/namespace'], function(events, Jupyter) {
    "use strict";

    // Promise to be resolved when the application is initialized.
    // The value is the name of the app on the current page.
    var app_initialized = new Promise(function(resolve, reject) {
        events.on('app_initialized.NotebookApp', function() {
            resolve('NotebookApp');
        });
        events.on('app_initialized.DashboardApp', function() {
            resolve('DashboardApp');
        });
    });

    var promises = {
        app_initialized: app_initialized
    };
    Jupyter.promises = promises;

    return promises;
});

// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.

define('auth/js/loginwidget',[
    'jquery',
    'base/js/utils',
], function($, utils){
    "use strict";

    var LoginWidget = function (selector, options) {
        options = options || {};
        this.base_url = options.base_url || utils.get_body_data("baseUrl");
        this.selector = selector;
        if (this.selector !== undefined) {
            this.element = $(selector);
            this.bind_events();
        }
    };


    LoginWidget.prototype.bind_events = function () {
        var that = this;
        this.element.find("button#logout").click(function () {
            window.location = utils.url_path_join(
                that.base_url,
                "logout"
            );
        });
        this.element.find("button#login").click(function () {
            window.location = utils.url_path_join(
                that.base_url,
                "login"
            );
        });
    };

    return {'LoginWidget': LoginWidget};
});

// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.

define('notebook/js/toolbar',['jquery','base/js/i18n'], function($, i18n) {
    "use strict";

    /**
     * A generic toolbar on which one can add button
     * @class ToolBar
     * @constructor
     * @param {Dom_object} selector
     */
    var ToolBar = function (selector, options) {
        this.selector = selector;
        this.actions = (options||{}).actions;
        if (this.selector !== undefined) {
            this.element = $(selector);
            this.style();
        }
    };

    ToolBar.prototype._pseudo_actions={};


    ToolBar.prototype.construct = function (config) {
        for(var k=0; k<config.length; k++) {
            this.add_buttons_group(config[k][0],config[k][1]);
        }
    };

    /**
     *  Add a group of button into the current toolbar.
     *
     *  Use a [dict of [list of action name]] to trigger
     *  on click to the button
     *
     *  @example
     *
     *      ... todo, maybe use a list of  list to keep ordering.
     *
     *      [
     *          [
     *            [
     *              action_name_1,
     *              action_name_2,
     *              action_name_3,
     *            ],
     *            optional_group_name
     *          ],
     *          ...
     *      ]
     *
     *  @param list {List}
     *      List of button of the group, with the following parameter for each :
     *      @param list.label {string} text to show on button hover
     *      @param list.icon {string} icon to choose from [Font Awesome](http://fortawesome.github.io/Font-Awesome)
     *      @param list.callback {function} function to be called on button click
     *      @param [list.id] {String} id to give to the button
     *  @param [group_id] {String} optional id to give to the group
     *
     *
     *  for private usage, the key can also be strings starting with '<' and ending with '>' to inject custom element that cannot
     *  be bound to an action.
     *
     */
    // TODO JUPYTER:
    // get rid of legacy code that handle things that are not actions.
    ToolBar.prototype.add_buttons_group = function (list, group_id) {
        // handle custom call of pseudoaction binding.
        if(typeof(list) === 'string' && list.slice(0,1) === '<' && list.slice(-1) === '>'){
            var _pseudo_action;
            try{
                _pseudo_action = list.slice(1,-1);
                this.element.append(this._pseudo_actions[_pseudo_action].call(this));
            } catch (e) {
                console.warn('ouch, calling ', _pseudo_action, 'does not seem to work...:', e);
            }
            return ;
        }
        var that = this;
        var btn_group = $('<div/>').addClass("btn-group");
        if( group_id !== undefined ) {
            btn_group.attr('id',group_id);
        }
        list.forEach(function(el) {
                var action_name;
                var action;
                if(typeof(el) === 'string'){
                    action = that.actions.get(el);
                    action_name = el;
                } else if (el.action) {
                    action = that.actions.get(el.action);
                    action_name = el.action
                }
                var title = el.label;
                if(action && action.help) {
                    title = i18n.msg._(action.help) || el.label;
                }
                var button  = $('<button/>')
                    .addClass('btn btn-default')
                    .attr("aria-label", el.label)
                    .attr("title", title)
                    .append(
                        $("<i/>").addClass(el.icon||(action||{icon:'fa-exclamation-triangle'}).icon).addClass('fa')
                    );
                if (el.label) {
                    var label = $('<span/>').text(i18n.msg._(el.label)).addClass('toolbar-btn-label');
                    button.append(label);
                }
                var id = el.id;
                if( id !== undefined ){
                    button.attr('id',id);
                }
                button.attr('data-jupyter-action', action_name);
                var fun = el.callback|| function(){
                    that.actions.call(action_name);
                };
                button.click(fun);
                btn_group.append(button);
        });
        $(this.selector).append(btn_group);
        return btn_group;
    };

    ToolBar.prototype.style = function () {
        this.element.addClass('toolbar');
    };

    /**
     * Show and hide toolbar
     * @method toggle
     */
    ToolBar.prototype.toggle = function () {
        this.element.toggle();
    };

    /**
     * A simple class to hold information defining one toolbar button.
     * @class ToolBar
     * @constructor
     * @param action {String} name of a Jupyter action taken when pressed
     * @param options.label {String} short label to display on the button
     */
    var Button = function(action, options) {
        this.action = action;
        this.label = (options||{}).label;
    };

    return {
        'ToolBar': ToolBar,
        'Button': Button
    };
});

// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.

define('notebook/js/maintoolbar',[
    'jquery',
    'require',
    './toolbar',
    './celltoolbar',
    'base/js/i18n'
], function($, requirejs, toolbar, celltoolbar, i18n) {
    "use strict";

    var MainToolBar = function (selector, options) {
        /**
         * Constructor
         *
         * Parameters:
         *  selector: string
         *  options: dictionary
         *      Dictionary of keyword arguments.
         *          events: $(Events) instance
         *          notebook: Notebook instance
         **/
        toolbar.ToolBar.apply(this, [selector, options] );
        this.events = options.events;
        this.notebook = options.notebook;
        this._make();
        Object.seal(this);
    };

    MainToolBar.prototype = Object.create(toolbar.ToolBar.prototype);

    MainToolBar.prototype._make = function () {
        var grps = [
          [
            ['jupyter-notebook:save-notebook'],
            'save-notbook'
          ],
          [
            ['jupyter-notebook:insert-cell-below'],
            'insert_above_below'],
          [
            ['jupyter-notebook:cut-cell',
             'jupyter-notebook:copy-cell',
             'jupyter-notebook:paste-cell-below'
            ] ,
            'cut_copy_paste'],
          [
            ['jupyter-notebook:move-cell-up',
             'jupyter-notebook:move-cell-down'
            ],
            'move_up_down'],
          [ [new toolbar.Button('jupyter-notebook:run-cell-and-select-next',
                {label: i18n.msg._('Run')}),
             'jupyter-notebook:interrupt-kernel',
             'jupyter-notebook:confirm-restart-kernel',
             'jupyter-notebook:confirm-restart-kernel-and-run-all-cells'
            ],
            'run_int'],
         ['<add_celltype_list>'],
         [
           ['jupyter-notebook:show-command-palette'],
           'cmd_palette']
        ];
        this.construct(grps);
    };

    MainToolBar.prototype._pseudo_actions = {};

    // add a cell type drop down to the maintoolbar.
    // triggered when the pseudo action `<add_celltype_list>` is
    // encountered when building a toolbar.
    MainToolBar.prototype._pseudo_actions.add_celltype_list = function () {
        var that = this;
        var multiselect = $('<option/>').attr('value','multiselect').attr('disabled','').text('-');
        var sel = $('<select/>')
            .attr('id','cell_type')
            .attr('aria-label', i18n.msg._('combobox, select cell type'))
            .attr('role', 'combobox')
            .addClass('form-control select-xs')
            .append($('<option/>').attr('value','code').text(i18n.msg._('Code')))
            .append($('<option/>').attr('value','markdown').text(i18n.msg._('Markdown')))
            .append($('<option/>').attr('value','raw').text(i18n.msg._('Raw NBConvert')))
            .append($('<option/>').attr('value','heading').text(i18n.msg._('Heading')))
            .append(multiselect);
        this.notebook.keyboard_manager.register_events(sel);
        this.events.on('selected_cell_type_changed.Notebook', function (event, data) {
            if (data.editable === false) {
                sel.attr('disabled', true);
            } else {
                sel.removeAttr('disabled');
            }

            if (that.notebook.get_selected_cells_indices().length > 1) {
                multiselect.show();
                sel.val('multiselect');
            } else {
                multiselect.hide();
                if (data.cell_type === 'heading') {
                    sel.val('Markdown');
                } else {
                    sel.val(data.cell_type);
                }
            }
        });
        sel.change(function () {
            var cell_type = $(this).val();
            switch (cell_type) {
            case 'code':
                that.notebook.cells_to_code();
                break;
            case 'markdown':
                that.notebook.cells_to_markdown();
                break;
            case 'raw':
                that.notebook.cells_to_raw();
                break;
            case 'heading':
                that.notebook._warn_heading();
                that.notebook.to_heading();
                sel.val('markdown');
                break;
            case 'multiselect':
                break;
            default:
                console.log(i18n.msg._("unrecognized cell type:"), cell_type);
            }
            that.notebook.focus_cell();
        });
        return sel;

    };

    return {'MainToolBar': MainToolBar};
});

/*! jQuery UI - v1.13.2 - 2022-07-14
* http://jqueryui.com
* Includes: widget.js, position.js, data.js, disable-selection.js, effect.js, effects/effect-blind.js, effects/effect-bounce.js, effects/effect-clip.js, effects/effect-drop.js, effects/effect-explode.js, effects/effect-fade.js, effects/effect-fold.js, effects/effect-highlight.js, effects/effect-puff.js, effects/effect-pulsate.js, effects/effect-scale.js, effects/effect-shake.js, effects/effect-size.js, effects/effect-slide.js, effects/effect-transfer.js, focusable.js, form-reset-mixin.js, jquery-patch.js, keycode.js, labels.js, scroll-parent.js, tabbable.js, unique-id.js, widgets/accordion.js, widgets/autocomplete.js, widgets/button.js, widgets/checkboxradio.js, widgets/controlgroup.js, widgets/datepicker.js, widgets/dialog.js, widgets/draggable.js, widgets/droppable.js, widgets/menu.js, widgets/mouse.js, widgets/progressbar.js, widgets/resizable.js, widgets/selectable.js, widgets/selectmenu.js, widgets/slider.js, widgets/sortable.js, widgets/spinner.js, widgets/tabs.js, widgets/tooltip.js
* Copyright jQuery Foundation and other contributors; Licensed MIT */

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this.document.one("mousemove",function(){V(t.target).trigger(t.originalEvent)});s=e.item.data("ui-autocomplete-item"),!1!==this._trigger("focus",t,{item:s})&&t.originalEvent&&/^key/.test(t.originalEvent.type)&&this._value(s.value),(i=e.item.attr("aria-label")||s.value)&&String.prototype.trim.call(i).length&&(clearTimeout(this.liveRegionTimer),this.liveRegionTimer=this._delay(function(){this.liveRegion.html(V("<div>").text(i))},100))},menuselect:function(t,e){var i=e.item.data("ui-autocomplete-item"),s=this.previous;this.element[0]!==V.ui.safeActiveElement(this.document[0])&&(this.element.trigger("focus"),this.previous=s,this._delay(function(){this.previous=s,this.selectedItem=i})),!1!==this._trigger("select",t,{item:i})&&this._value(i.value),this.term=this._value(),this.close(t),this.selectedItem=i}}),this.liveRegion=V("<div>",{role:"status","aria-live":"assertive","aria-relevant":"additions"}).appendTo(this.document[0].body),this._addClass(this.liveRegion,null,"ui-helper-hidden-accessible"),this._on(this.window,{beforeunload:function(){this.element.removeAttr("autocomplete")}})},_destroy:function(){clearTimeout(this.searching),this.element.removeAttr("autocomplete"),this.menu.element.remove(),this.liveRegion.remove()},_setOption:function(t,e){this._super(t,e),"source"===t&&this._initSource(),"appendTo"===t&&this.menu.element.appendTo(this._appendTo()),"disabled"===t&&e&&this.xhr&&this.xhr.abort()},_isEventTargetInWidget:function(t){var e=this.menu.element[0];return t.target===this.element[0]||t.target===e||V.contains(e,t.target)},_closeOnClickOutside:function(t){this._isEventTargetInWidget(t)||this.close()},_appendTo:function(){var t=this.options.appendTo;return t=!(t=!(t=t&&(t.jquery||t.nodeType?V(t):this.document.find(t).eq(0)))||!t[0]?this.element.closest(".ui-front, dialog"):t).length?this.document[0].body:t},_initSource:function(){var i,s,n=this;Array.isArray(this.options.source)?(i=this.options.source,this.source=function(t,e){e(V.ui.autocomplete.filter(i,t.term))}):"string"==typeof this.options.source?(s=this.options.source,this.source=function(t,e){n.xhr&&n.xhr.abort(),n.xhr=V.ajax({url:s,data:t,dataType:"json",success:function(t){e(t)},error:function(){e([])}})}):this.source=this.options.source},_searchTimeout:function(s){clearTimeout(this.searching),this.searching=this._delay(function(){var t=this.term===this._value(),e=this.menu.element.is(":visible"),i=s.altKey||s.ctrlKey||s.metaKey||s.shiftKey;t&&(e||i)||(this.selectedItem=null,this.search(null,s))},this.options.delay)},search:function(t,e){return t=null!=t?t:this._value(),this.term=this._value(),t.length<this.options.minLength?this.close(e):!1!==this._trigger("search",e)?this._search(t):void 0},_search:function(t){this.pending++,this._addClass("ui-autocomplete-loading"),this.cancelSearch=!1,this.source({term:t},this._response())},_response:function(){var e=++this.requestIndex;return function(t){e===this.requestIndex&&this.__response(t),this.pending--,this.pending||this._removeClass("ui-autocomplete-loading")}.bind(this)},__response:function(t){t=t&&this._normalize(t),this._trigger("response",null,{content:t}),!this.options.disabled&&t&&t.length&&!this.cancelSearch?(this._suggest(t),this._trigger("open")):this._close()},close:function(t){this.cancelSearch=!0,this._close(t)},_close:function(t){this._off(this.document,"mousedown"),this.menu.element.is(":visible")&&(this.menu.element.hide(),this.menu.blur(),this.isNewMenu=!0,this._trigger("close",t))},_change:function(t){this.previous!==this._value()&&this._trigger("change",t,{item:this.selectedItem})},_normalize:function(t){return t.length&&t[0].label&&t[0].value?t:V.map(t,function(t){return"string"==typeof t?{label:t,value:t}:V.extend({},t,{label:t.label||t.value,value:t.value||t.label})})},_suggest:function(t){var e=this.menu.element.empty();this._renderMenu(e,t),this.isNewMenu=!0,this.menu.refresh(),e.show(),this._resizeMenu(),e.position(V.extend({of:this.element},this.options.position)),this.options.autoFocus&&this.menu.next(),this._on(this.document,{mousedown:"_closeOnClickOutside"})},_resizeMenu:function(){var t=this.menu.element;t.outerWidth(Math.max(t.width("").outerWidth()+1,this.element.outerWidth()))},_renderMenu:function(i,t){var s=this;V.each(t,function(t,e){s._renderItemData(i,e)})},_renderItemData:function(t,e){return this._renderItem(t,e).data("ui-autocomplete-item",e)},_renderItem:function(t,e){return V("<li>").append(V("<div>").text(e.label)).appendTo(t)},_move:function(t,e){if(this.menu.element.is(":visible"))return this.menu.isFirstItem()&&/^previous/.test(t)||this.menu.isLastItem()&&/^next/.test(t)?(this.isMultiLine||this._value(this.term),void this.menu.blur()):void this.menu[t](e);this.search(null,e)},widget:function(){return this.menu.element},_value:function(){return this.valueMethod.apply(this.element,arguments)},_keyEvent:function(t,e){this.isMultiLine&&!this.menu.element.is(":visible")||(this._move(t,e),e.preventDefault())},_isContentEditable:function(t){if(!t.length)return!1;var e=t.prop("contentEditable");return"inherit"===e?this._isContentEditable(t.parent()):"true"===e}}),V.extend(V.ui.autocomplete,{escapeRegex:function(t){return t.replace(/[\-\[\]{}()*+?.,\\\^$|#\s]/g,"\\$&")},filter:function(t,e){var i=new RegExp(V.ui.autocomplete.escapeRegex(e),"i");return V.grep(t,function(t){return i.test(t.label||t.value||t)})}}),V.widget("ui.autocomplete",V.ui.autocomplete,{options:{messages:{noResults:"No search results.",results:function(t){return t+(1<t?" results are":" result is")+" available, use up and down arrow keys to navigate."}}},__response:function(t){var e;this._superApply(arguments),this.options.disabled||this.cancelSearch||(e=t&&t.length?this.options.messages.results(t.length):this.options.messages.noResults,clearTimeout(this.liveRegionTimer),this.liveRegionTimer=this._delay(function(){this.liveRegion.html(V("<div>").text(e))},100))}});V.ui.autocomplete;var tt=/ui-corner-([a-z]){2,6}/g;V.widget("ui.controlgroup",{version:"1.13.2",defaultElement:"<div>",options:{direction:"horizontal",disabled:null,onlyVisible:!0,items:{button:"input[type=button], input[type=submit], input[type=reset], button, a",controlgroupLabel:".ui-controlgroup-label",checkboxradio:"input[type='checkbox'], input[type='radio']",selectmenu:"select",spinner:".ui-spinner-input"}},_create:function(){this._enhance()},_enhance:function(){this.element.attr("role","toolbar"),this.refresh()},_destroy:function(){this._callChildMethod("destroy"),this.childWidgets.removeData("ui-controlgroup-data"),this.element.removeAttr("role"),this.options.items.controlgroupLabel&&this.element.find(this.options.items.controlgroupLabel).find(".ui-controlgroup-label-contents").contents().unwrap()},_initWidgets:function(){var o=this,a=[];V.each(this.options.items,function(s,t){var e,n={};if(t)return"controlgroupLabel"===s?((e=o.element.find(t)).each(function(){var t=V(this);t.children(".ui-controlgroup-label-contents").length||t.contents().wrapAll("<span class='ui-controlgroup-label-contents'></span>")}),o._addClass(e,null,"ui-widget ui-widget-content ui-state-default"),void(a=a.concat(e.get()))):void(V.fn[s]&&(n=o["_"+s+"Options"]?o["_"+s+"Options"]("middle"):{classes:{}},o.element.find(t).each(function(){var t=V(this),e=t[s]("instance"),i=V.widget.extend({},n);"button"===s&&t.parent(".ui-spinner").length||((e=e||t[s]()[s]("instance"))&&(i.classes=o._resolveClassesValues(i.classes,e)),t[s](i),i=t[s]("widget"),V.data(i[0],"ui-controlgroup-data",e||t[s]("instance")),a.push(i[0]))})))}),this.childWidgets=V(V.uniqueSort(a)),this._addClass(this.childWidgets,"ui-controlgroup-item")},_callChildMethod:function(e){this.childWidgets.each(function(){var t=V(this).data("ui-controlgroup-data");t&&t[e]&&t[e]()})},_updateCornerClass:function(t,e){e=this._buildSimpleOptions(e,"label").classes.label;this._removeClass(t,null,"ui-corner-top ui-corner-bottom ui-corner-left ui-corner-right ui-corner-all"),this._addClass(t,null,e)},_buildSimpleOptions:function(t,e){var i="vertical"===this.options.direction,s={classes:{}};return s.classes[e]={middle:"",first:"ui-corner-"+(i?"top":"left"),last:"ui-corner-"+(i?"bottom":"right"),only:"ui-corner-all"}[t],s},_spinnerOptions:function(t){t=this._buildSimpleOptions(t,"ui-spinner");return t.classes["ui-spinner-up"]="",t.classes["ui-spinner-down"]="",t},_buttonOptions:function(t){return this._buildSimpleOptions(t,"ui-button")},_checkboxradioOptions:function(t){return this._buildSimpleOptions(t,"ui-checkboxradio-label")},_selectmenuOptions:function(t){var e="vertical"===this.options.direction;return{width:e&&"auto",classes:{middle:{"ui-selectmenu-button-open":"","ui-selectmenu-button-closed":""},first:{"ui-selectmenu-button-open":"ui-corner-"+(e?"top":"tl"),"ui-selectmenu-button-closed":"ui-corner-"+(e?"top":"left")},last:{"ui-selectmenu-button-open":e?"":"ui-corner-tr","ui-selectmenu-button-closed":"ui-corner-"+(e?"bottom":"right")},only:{"ui-selectmenu-button-open":"ui-corner-top","ui-selectmenu-button-closed":"ui-corner-all"}}[t]}},_resolveClassesValues:function(i,s){var n={};return V.each(i,function(t){var e=s.options.classes[t]||"",e=String.prototype.trim.call(e.replace(tt,""));n[t]=(e+" "+i[t]).replace(/\s+/g," ")}),n},_setOption:function(t,e){"direction"===t&&this._removeClass("ui-controlgroup-"+this.options.direction),this._super(t,e),"disabled"!==t?this.refresh():this._callChildMethod(e?"disable":"enable")},refresh:function(){var n,o=this;this._addClass("ui-controlgroup ui-controlgroup-"+this.options.direction),"horizontal"===this.options.direction&&this._addClass(null,"ui-helper-clearfix"),this._initWidgets(),n=this.childWidgets,(n=this.options.onlyVisible?n.filter(":visible"):n).length&&(V.each(["first","last"],function(t,e){var i,s=n[e]().data("ui-controlgroup-data");s&&o["_"+s.widgetName+"Options"]?((i=o["_"+s.widgetName+"Options"](1===n.length?"only":e)).classes=o._resolveClassesValues(i.classes,s),s.element[s.widgetName](i)):o._updateCornerClass(n[e](),e)}),this._callChildMethod("refresh"))}});V.widget("ui.checkboxradio",[V.ui.formResetMixin,{version:"1.13.2",options:{disabled:null,label:null,icon:!0,classes:{"ui-checkboxradio-label":"ui-corner-all","ui-checkboxradio-icon":"ui-corner-all"}},_getCreateOptions:function(){var t,e=this._super()||{};return this._readType(),t=this.element.labels(),this.label=V(t[t.length-1]),this.label.length||V.error("No label found for checkboxradio widget"),this.originalLabel="",(t=this.label.contents().not(this.element[0])).length&&(this.originalLabel+=t.clone().wrapAll("<div></div>").parent().html()),this.originalLabel&&(e.label=this.originalLabel),null!=(t=this.element[0].disabled)&&(e.disabled=t),e},_create:function(){var t=this.element[0].checked;this._bindFormResetHandler(),null==this.options.disabled&&(this.options.disabled=this.element[0].disabled),this._setOption("disabled",this.options.disabled),this._addClass("ui-checkboxradio","ui-helper-hidden-accessible"),this._addClass(this.label,"ui-checkboxradio-label","ui-button ui-widget"),"radio"===this.type&&this._addClass(this.label,"ui-checkboxradio-radio-label"),this.options.label&&this.options.label!==this.originalLabel?this._updateLabel():this.originalLabel&&(this.options.label=this.originalLabel),this._enhance(),t&&this._addClass(this.label,"ui-checkboxradio-checked","ui-state-active"),this._on({change:"_toggleClasses",focus:function(){this._addClass(this.label,null,"ui-state-focus ui-visual-focus")},blur:function(){this._removeClass(this.label,null,"ui-state-focus ui-visual-focus")}})},_readType:function(){var t=this.element[0].nodeName.toLowerCase();this.type=this.element[0].type,"input"===t&&/radio|checkbox/.test(this.type)||V.error("Can't create checkboxradio on element.nodeName="+t+" and element.type="+this.type)},_enhance:function(){this._updateIcon(this.element[0].checked)},widget:function(){return this.label},_getRadioGroup:function(){var t=this.element[0].name,e="input[name='"+V.escapeSelector(t)+"']";return t?(this.form.length?V(this.form[0].elements).filter(e):V(e).filter(function(){return 0===V(this)._form().length})).not(this.element):V([])},_toggleClasses:function(){var t=this.element[0].checked;this._toggleClass(this.label,"ui-checkboxradio-checked","ui-state-active",t),this.options.icon&&"checkbox"===this.type&&this._toggleClass(this.icon,null,"ui-icon-check ui-state-checked",t)._toggleClass(this.icon,null,"ui-icon-blank",!t),"radio"===this.type&&this._getRadioGroup().each(function(){var t=V(this).checkboxradio("instance");t&&t._removeClass(t.label,"ui-checkboxradio-checked","ui-state-active")})},_destroy:function(){this._unbindFormResetHandler(),this.icon&&(this.icon.remove(),this.iconSpace.remove())},_setOption:function(t,e){if("label"!==t||e){if(this._super(t,e),"disabled"===t)return this._toggleClass(this.label,null,"ui-state-disabled",e),void(this.element[0].disabled=e);this.refresh()}},_updateIcon:function(t){var e="ui-icon ui-icon-background ";this.options.icon?(this.icon||(this.icon=V("<span>"),this.iconSpace=V("<span> </span>"),this._addClass(this.iconSpace,"ui-checkboxradio-icon-space")),"checkbox"===this.type?(e+=t?"ui-icon-check ui-state-checked":"ui-icon-blank",this._removeClass(this.icon,null,t?"ui-icon-blank":"ui-icon-check")):e+="ui-icon-blank",this._addClass(this.icon,"ui-checkboxradio-icon",e),t||this._removeClass(this.icon,null,"ui-icon-check ui-state-checked"),this.icon.prependTo(this.label).after(this.iconSpace)):void 0!==this.icon&&(this.icon.remove(),this.iconSpace.remove(),delete this.icon)},_updateLabel:function(){var t=this.label.contents().not(this.element[0]);this.icon&&(t=t.not(this.icon[0])),(t=this.iconSpace?t.not(this.iconSpace[0]):t).remove(),this.label.append(this.options.label)},refresh:function(){var t=this.element[0].checked,e=this.element[0].disabled;this._updateIcon(t),this._toggleClass(this.label,"ui-checkboxradio-checked","ui-state-active",t),null!==this.options.label&&this._updateLabel(),e!==this.options.disabled&&this._setOptions({disabled:e})}}]);var et;V.ui.checkboxradio;V.widget("ui.button",{version:"1.13.2",defaultElement:"<button>",options:{classes:{"ui-button":"ui-corner-all"},disabled:null,icon:null,iconPosition:"beginning",label:null,showLabel:!0},_getCreateOptions:function(){var t,e=this._super()||{};return this.isInput=this.element.is("input"),null!=(t=this.element[0].disabled)&&(e.disabled=t),this.originalLabel=this.isInput?this.element.val():this.element.html(),this.originalLabel&&(e.label=this.originalLabel),e},_create:function(){!this.option.showLabel&!this.options.icon&&(this.options.showLabel=!0),null==this.options.disabled&&(this.options.disabled=this.element[0].disabled||!1),this.hasTitle=!!this.element.attr("title"),this.options.label&&this.options.label!==this.originalLabel&&(this.isInput?this.element.val(this.options.label):this.element.html(this.options.label)),this._addClass("ui-button","ui-widget"),this._setOption("disabled",this.options.disabled),this._enhance(),this.element.is("a")&&this._on({keyup:function(t){t.keyCode===V.ui.keyCode.SPACE&&(t.preventDefault(),this.element[0].click?this.element[0].click():this.element.trigger("click"))}})},_enhance:function(){this.element.is("button")||this.element.attr("role","button"),this.options.icon&&(this._updateIcon("icon",this.options.icon),this._updateTooltip())},_updateTooltip:function(){this.title=this.element.attr("title"),this.options.showLabel||this.title||this.element.attr("title",this.options.label)},_updateIcon:function(t,e){var i="iconPosition"!==t,s=i?this.options.iconPosition:e,t="top"===s||"bottom"===s;this.icon?i&&this._removeClass(this.icon,null,this.options.icon):(this.icon=V("<span>"),this._addClass(this.icon,"ui-button-icon","ui-icon"),this.options.showLabel||this._addClass("ui-button-icon-only")),i&&this._addClass(this.icon,null,e),this._attachIcon(s),t?(this._addClass(this.icon,null,"ui-widget-icon-block"),this.iconSpace&&this.iconSpace.remove()):(this.iconSpace||(this.iconSpace=V("<span> </span>"),this._addClass(this.iconSpace,"ui-button-icon-space")),this._removeClass(this.icon,null,"ui-wiget-icon-block"),this._attachIconSpace(s))},_destroy:function(){this.element.removeAttr("role"),this.icon&&this.icon.remove(),this.iconSpace&&this.iconSpace.remove(),this.hasTitle||this.element.removeAttr("title")},_attachIconSpace:function(t){this.icon[/^(?:end|bottom)/.test(t)?"before":"after"](this.iconSpace)},_attachIcon:function(t){this.element[/^(?:end|bottom)/.test(t)?"append":"prepend"](this.icon)},_setOptions:function(t){var e=(void 0===t.showLabel?this.options:t).showLabel,i=(void 0===t.icon?this.options:t).icon;e||i||(t.showLabel=!0),this._super(t)},_setOption:function(t,e){"icon"===t&&(e?this._updateIcon(t,e):this.icon&&(this.icon.remove(),this.iconSpace&&this.iconSpace.remove())),"iconPosition"===t&&this._updateIcon(t,e),"showLabel"===t&&(this._toggleClass("ui-button-icon-only",null,!e),this._updateTooltip()),"label"===t&&(this.isInput?this.element.val(e):(this.element.html(e),this.icon&&(this._attachIcon(this.options.iconPosition),this._attachIconSpace(this.options.iconPosition)))),this._super(t,e),"disabled"===t&&(this._toggleClass(null,"ui-state-disabled",e),(this.element[0].disabled=e)&&this.element.trigger("blur"))},refresh:function(){var t=this.element.is("input, button")?this.element[0].disabled:this.element.hasClass("ui-button-disabled");t!==this.options.disabled&&this._setOptions({disabled:t}),this._updateTooltip()}}),!1!==V.uiBackCompat&&(V.widget("ui.button",V.ui.button,{options:{text:!0,icons:{primary:null,secondary:null}},_create:function(){this.options.showLabel&&!this.options.text&&(this.options.showLabel=this.options.text),!this.options.showLabel&&this.options.text&&(this.options.text=this.options.showLabel),this.options.icon||!this.options.icons.primary&&!this.options.icons.secondary?this.options.icon&&(this.options.icons.primary=this.options.icon):this.options.icons.primary?this.options.icon=this.options.icons.primary:(this.options.icon=this.options.icons.secondary,this.options.iconPosition="end"),this._super()},_setOption:function(t,e){"text"!==t?("showLabel"===t&&(this.options.text=e),"icon"===t&&(this.options.icons.primary=e),"icons"===t&&(e.primary?(this._super("icon",e.primary),this._super("iconPosition","beginning")):e.secondary&&(this._super("icon",e.secondary),this._super("iconPosition","end"))),this._superApply(arguments)):this._super("showLabel",e)}}),V.fn.button=(et=V.fn.button,function(i){var t="string"==typeof i,s=Array.prototype.slice.call(arguments,1),n=this;return t?this.length||"instance"!==i?this.each(function(){var t=V(this).attr("type"),e=V.data(this,"ui-"+("checkbox"!==t&&"radio"!==t?"button":"checkboxradio"));return"instance"===i?(n=e,!1):e?"function"!=typeof e[i]||"_"===i.charAt(0)?V.error("no such method '"+i+"' for button widget instance"):(t=e[i].apply(e,s))!==e&&void 0!==t?(n=t&&t.jquery?n.pushStack(t.get()):t,!1):void 0:V.error("cannot call methods on button prior to initialization; attempted to call method '"+i+"'")}):n=void 0:(s.length&&(i=V.widget.extend.apply(null,[i].concat(s))),this.each(function(){var t=V(this).attr("type"),e="checkbox"!==t&&"radio"!==t?"button":"checkboxradio",t=V.data(this,"ui-"+e);t?(t.option(i||{}),t._init&&t._init()):"button"!=e?V(this).checkboxradio(V.extend({icon:!1},i)):et.call(V(this),i)})),n}),V.fn.buttonset=function(){return V.ui.controlgroup||V.error("Controlgroup widget missing"),"option"===arguments[0]&&"items"===arguments[1]&&arguments[2]?this.controlgroup.apply(this,[arguments[0],"items.button",arguments[2]]):"option"===arguments[0]&&"items"===arguments[1]?this.controlgroup.apply(this,[arguments[0],"items.button"]):("object"==typeof arguments[0]&&arguments[0].items&&(arguments[0].items={button:arguments[0].items}),this.controlgroup.apply(this,arguments))});var it;V.ui.button;function st(){this._curInst=null,this._keyEvent=!1,this._disabledInputs=[],this._datepickerShowing=!1,this._inDialog=!1,this._mainDivId="ui-datepicker-div",this._inlineClass="ui-datepicker-inline",this._appendClass="ui-datepicker-append",this._triggerClass="ui-datepicker-trigger",this._dialogClass="ui-datepicker-dialog",this._disableClass="ui-datepicker-disabled",this._unselectableClass="ui-datepicker-unselectable",this._currentClass="ui-datepicker-current-day",this._dayOverClass="ui-datepicker-days-cell-over",this.regional=[],this.regional[""]={closeText:"Done",prevText:"Prev",nextText:"Next",currentText:"Today",monthNames:["January","February","March","April","May","June","July","August","September","October","November","December"],monthNamesShort:["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"],dayNames:["Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"],dayNamesShort:["Sun","Mon","Tue","Wed","Thu","Fri","Sat"],dayNamesMin:["Su","Mo","Tu","We","Th","Fr","Sa"],weekHeader:"Wk",dateFormat:"mm/dd/yy",firstDay:0,isRTL:!1,showMonthAfterYear:!1,yearSuffix:"",selectMonthLabel:"Select month",selectYearLabel:"Select year"},this._defaults={showOn:"focus",showAnim:"fadeIn",showOptions:{},defaultDate:null,appendText:"",buttonText:"...",buttonImage:"",buttonImageOnly:!1,hideIfNoPrevNext:!1,navigationAsDateFormat:!1,gotoCurrent:!1,changeMonth:!1,changeYear:!1,yearRange:"c-10:c+10",showOtherMonths:!1,selectOtherMonths:!1,showWeek:!1,calculateWeek:this.iso8601Week,shortYearCutoff:"+10",minDate:null,maxDate:null,duration:"fast",beforeShowDay:null,beforeShow:null,onSelect:null,onChangeMonthYear:null,onClose:null,onUpdateDatepicker:null,numberOfMonths:1,showCurrentAtPos:0,stepMonths:1,stepBigMonths:12,altField:"",altFormat:"",constrainInput:!0,showButtonPanel:!1,autoSize:!1,disabled:!1},V.extend(this._defaults,this.regional[""]),this.regional.en=V.extend(!0,{},this.regional[""]),this.regional["en-US"]=V.extend(!0,{},this.regional.en),this.dpDiv=nt(V("<div id='"+this._mainDivId+"' class='ui-datepicker ui-widget ui-widget-content ui-helper-clearfix ui-corner-all'></div>"))}function nt(t){var e="button, .ui-datepicker-prev, .ui-datepicker-next, .ui-datepicker-calendar td a";return t.on("mouseout",e,function(){V(this).removeClass("ui-state-hover"),-1!==this.className.indexOf("ui-datepicker-prev")&&V(this).removeClass("ui-datepicker-prev-hover"),-1!==this.className.indexOf("ui-datepicker-next")&&V(this).removeClass("ui-datepicker-next-hover")}).on("mouseover",e,ot)}function ot(){V.datepicker._isDisabledDatepicker((it.inline?it.dpDiv.parent():it.input)[0])||(V(this).parents(".ui-datepicker-calendar").find("a").removeClass("ui-state-hover"),V(this).addClass("ui-state-hover"),-1!==this.className.indexOf("ui-datepicker-prev")&&V(this).addClass("ui-datepicker-prev-hover"),-1!==this.className.indexOf("ui-datepicker-next")&&V(this).addClass("ui-datepicker-next-hover"))}function at(t,e){for(var i in V.extend(t,e),e)null==e[i]&&(t[i]=e[i]);return t}V.extend(V.ui,{datepicker:{version:"1.13.2"}}),V.extend(st.prototype,{markerClassName:"hasDatepicker",maxRows:4,_widgetDatepicker:function(){return this.dpDiv},setDefaults:function(t){return at(this._defaults,t||{}),this},_attachDatepicker:function(t,e){var i,s=t.nodeName.toLowerCase(),n="div"===s||"span"===s;t.id||(this.uuid+=1,t.id="dp"+this.uuid),(i=this._newInst(V(t),n)).settings=V.extend({},e||{}),"input"===s?this._connectDatepicker(t,i):n&&this._inlineDatepicker(t,i)},_newInst:function(t,e){return{id:t[0].id.replace(/([^A-Za-z0-9_\-])/g,"\\\\$1"),input:t,selectedDay:0,selectedMonth:0,selectedYear:0,drawMonth:0,drawYear:0,inline:e,dpDiv:e?nt(V("<div class='"+this._inlineClass+" ui-datepicker ui-widget ui-widget-content ui-helper-clearfix ui-corner-all'></div>")):this.dpDiv}},_connectDatepicker:function(t,e){var i=V(t);e.append=V([]),e.trigger=V([]),i.hasClass(this.markerClassName)||(this._attachments(i,e),i.addClass(this.markerClassName).on("keydown",this._doKeyDown).on("keypress",this._doKeyPress).on("keyup",this._doKeyUp),this._autoSize(e),V.data(t,"datepicker",e),e.settings.disabled&&this._disableDatepicker(t))},_attachments:function(t,e){var i,s=this._get(e,"appendText"),n=this._get(e,"isRTL");e.append&&e.append.remove(),s&&(e.append=V("<span>").addClass(this._appendClass).text(s),t[n?"before":"after"](e.append)),t.off("focus",this._showDatepicker),e.trigger&&e.trigger.remove(),"focus"!==(i=this._get(e,"showOn"))&&"both"!==i||t.on("focus",this._showDatepicker),"button"!==i&&"both"!==i||(s=this._get(e,"buttonText"),i=this._get(e,"buttonImage"),this._get(e,"buttonImageOnly")?e.trigger=V("<img>").addClass(this._triggerClass).attr({src:i,alt:s,title:s}):(e.trigger=V("<button type='button'>").addClass(this._triggerClass),i?e.trigger.html(V("<img>").attr({src:i,alt:s,title:s})):e.trigger.text(s)),t[n?"before":"after"](e.trigger),e.trigger.on("click",function(){return V.datepicker._datepickerShowing&&V.datepicker._lastInput===t[0]?V.datepicker._hideDatepicker():(V.datepicker._datepickerShowing&&V.datepicker._lastInput!==t[0]&&V.datepicker._hideDatepicker(),V.datepicker._showDatepicker(t[0])),!1}))},_autoSize:function(t){var e,i,s,n,o,a;this._get(t,"autoSize")&&!t.inline&&(o=new Date(2009,11,20),(a=this._get(t,"dateFormat")).match(/[DM]/)&&(e=function(t){for(n=s=i=0;n<t.length;n++)t[n].length>i&&(i=t[n].length,s=n);return s},o.setMonth(e(this._get(t,a.match(/MM/)?"monthNames":"monthNamesShort"))),o.setDate(e(this._get(t,a.match(/DD/)?"dayNames":"dayNamesShort"))+20-o.getDay())),t.input.attr("size",this._formatDate(t,o).length))},_inlineDatepicker:function(t,e){var i=V(t);i.hasClass(this.markerClassName)||(i.addClass(this.markerClassName).append(e.dpDiv),V.data(t,"datepicker",e),this._setDate(e,this._getDefaultDate(e),!0),this._updateDatepicker(e),this._updateAlternate(e),e.settings.disabled&&this._disableDatepicker(t),e.dpDiv.css("display","block"))},_dialogDatepicker:function(t,e,i,s,n){var o,a=this._dialogInst;return a||(this.uuid+=1,o="dp"+this.uuid,this._dialogInput=V("<input type='text' id='"+o+"' style='position: absolute; top: -100px; width: 0px;'/>"),this._dialogInput.on("keydown",this._doKeyDown),V("body").append(this._dialogInput),(a=this._dialogInst=this._newInst(this._dialogInput,!1)).settings={},V.data(this._dialogInput[0],"datepicker",a)),at(a.settings,s||{}),e=e&&e.constructor===Date?this._formatDate(a,e):e,this._dialogInput.val(e),this._pos=n?n.length?n:[n.pageX,n.pageY]:null,this._pos||(o=document.documentElement.clientWidth,s=document.documentElement.clientHeight,e=document.documentElement.scrollLeft||document.body.scrollLeft,n=document.documentElement.scrollTop||document.body.scrollTop,this._pos=[o/2-100+e,s/2-150+n]),this._dialogInput.css("left",this._pos[0]+20+"px").css("top",this._pos[1]+"px"),a.settings.onSelect=i,this._inDialog=!0,this.dpDiv.addClass(this._dialogClass),this._showDatepicker(this._dialogInput[0]),V.blockUI&&V.blockUI(this.dpDiv),V.data(this._dialogInput[0],"datepicker",a),this},_destroyDatepicker:function(t){var e,i=V(t),s=V.data(t,"datepicker");i.hasClass(this.markerClassName)&&(e=t.nodeName.toLowerCase(),V.removeData(t,"datepicker"),"input"===e?(s.append.remove(),s.trigger.remove(),i.removeClass(this.markerClassName).off("focus",this._showDatepicker).off("keydown",this._doKeyDown).off("keypress",this._doKeyPress).off("keyup",this._doKeyUp)):"div"!==e&&"span"!==e||i.removeClass(this.markerClassName).empty(),it===s&&(it=null,this._curInst=null))},_enableDatepicker:function(e){var t,i=V(e),s=V.data(e,"datepicker");i.hasClass(this.markerClassName)&&("input"===(t=e.nodeName.toLowerCase())?(e.disabled=!1,s.trigger.filter("button").each(function(){this.disabled=!1}).end().filter("img").css({opacity:"1.0",cursor:""})):"div"!==t&&"span"!==t||((i=i.children("."+this._inlineClass)).children().removeClass("ui-state-disabled"),i.find("select.ui-datepicker-month, select.ui-datepicker-year").prop("disabled",!1)),this._disabledInputs=V.map(this._disabledInputs,function(t){return t===e?null:t}))},_disableDatepicker:function(e){var t,i=V(e),s=V.data(e,"datepicker");i.hasClass(this.markerClassName)&&("input"===(t=e.nodeName.toLowerCase())?(e.disabled=!0,s.trigger.filter("button").each(function(){this.disabled=!0}).end().filter("img").css({opacity:"0.5",cursor:"default"})):"div"!==t&&"span"!==t||((i=i.children("."+this._inlineClass)).children().addClass("ui-state-disabled"),i.find("select.ui-datepicker-month, select.ui-datepicker-year").prop("disabled",!0)),this._disabledInputs=V.map(this._disabledInputs,function(t){return t===e?null:t}),this._disabledInputs[this._disabledInputs.length]=e)},_isDisabledDatepicker:function(t){if(!t)return!1;for(var e=0;e<this._disabledInputs.length;e++)if(this._disabledInputs[e]===t)return!0;return!1},_getInst:function(t){try{return V.data(t,"datepicker")}catch(t){throw"Missing instance data for this datepicker"}},_optionDatepicker:function(t,e,i){var s,n,o=this._getInst(t);if(2===arguments.length&&"string"==typeof e)return"defaults"===e?V.extend({},V.datepicker._defaults):o?"all"===e?V.extend({},o.settings):this._get(o,e):null;s=e||{},"string"==typeof e&&((s={})[e]=i),o&&(this._curInst===o&&this._hideDatepicker(),n=this._getDateDatepicker(t,!0),e=this._getMinMaxDate(o,"min"),i=this._getMinMaxDate(o,"max"),at(o.settings,s),null!==e&&void 0!==s.dateFormat&&void 0===s.minDate&&(o.settings.minDate=this._formatDate(o,e)),null!==i&&void 0!==s.dateFormat&&void 0===s.maxDate&&(o.settings.maxDate=this._formatDate(o,i)),"disabled"in s&&(s.disabled?this._disableDatepicker(t):this._enableDatepicker(t)),this._attachments(V(t),o),this._autoSize(o),this._setDate(o,n),this._updateAlternate(o),this._updateDatepicker(o))},_changeDatepicker:function(t,e,i){this._optionDatepicker(t,e,i)},_refreshDatepicker:function(t){t=this._getInst(t);t&&this._updateDatepicker(t)},_setDateDatepicker:function(t,e){t=this._getInst(t);t&&(this._setDate(t,e),this._updateDatepicker(t),this._updateAlternate(t))},_getDateDatepicker:function(t,e){t=this._getInst(t);return t&&!t.inline&&this._setDateFromField(t,e),t?this._getDate(t):null},_doKeyDown:function(t){var e,i,s=V.datepicker._getInst(t.target),n=!0,o=s.dpDiv.is(".ui-datepicker-rtl");if(s._keyEvent=!0,V.datepicker._datepickerShowing)switch(t.keyCode){case 9:V.datepicker._hideDatepicker(),n=!1;break;case 13:return(i=V("td."+V.datepicker._dayOverClass+":not(."+V.datepicker._currentClass+")",s.dpDiv))[0]&&V.datepicker._selectDay(t.target,s.selectedMonth,s.selectedYear,i[0]),(e=V.datepicker._get(s,"onSelect"))?(i=V.datepicker._formatDate(s),e.apply(s.input?s.input[0]:null,[i,s])):V.datepicker._hideDatepicker(),!1;case 27:V.datepicker._hideDatepicker();break;case 33:V.datepicker._adjustDate(t.target,t.ctrlKey?-V.datepicker._get(s,"stepBigMonths"):-V.datepicker._get(s,"stepMonths"),"M");break;case 34:V.datepicker._adjustDate(t.target,t.ctrlKey?+V.datepicker._get(s,"stepBigMonths"):+V.datepicker._get(s,"stepMonths"),"M");break;case 35:(t.ctrlKey||t.metaKey)&&V.datepicker._clearDate(t.target),n=t.ctrlKey||t.metaKey;break;case 36:(t.ctrlKey||t.metaKey)&&V.datepicker._gotoToday(t.target),n=t.ctrlKey||t.metaKey;break;case 37:(t.ctrlKey||t.metaKey)&&V.datepicker._adjustDate(t.target,o?1:-1,"D"),n=t.ctrlKey||t.metaKey,t.originalEvent.altKey&&V.datepicker._adjustDate(t.target,t.ctrlKey?-V.datepicker._get(s,"stepBigMonths"):-V.datepicker._get(s,"stepMonths"),"M");break;case 38:(t.ctrlKey||t.metaKey)&&V.datepicker._adjustDate(t.target,-7,"D"),n=t.ctrlKey||t.metaKey;break;case 39:(t.ctrlKey||t.metaKey)&&V.datepicker._adjustDate(t.target,o?-1:1,"D"),n=t.ctrlKey||t.metaKey,t.originalEvent.altKey&&V.datepicker._adjustDate(t.target,t.ctrlKey?+V.datepicker._get(s,"stepBigMonths"):+V.datepicker._get(s,"stepMonths"),"M");break;case 40:(t.ctrlKey||t.metaKey)&&V.datepicker._adjustDate(t.target,7,"D"),n=t.ctrlKey||t.metaKey;break;default:n=!1}else 36===t.keyCode&&t.ctrlKey?V.datepicker._showDatepicker(this):n=!1;n&&(t.preventDefault(),t.stopPropagation())},_doKeyPress:function(t){var e,i=V.datepicker._getInst(t.target);if(V.datepicker._get(i,"constrainInput"))return e=V.datepicker._possibleChars(V.datepicker._get(i,"dateFormat")),i=String.fromCharCode(null==t.charCode?t.keyCode:t.charCode),t.ctrlKey||t.metaKey||i<" "||!e||-1<e.indexOf(i)},_doKeyUp:function(t){t=V.datepicker._getInst(t.target);if(t.input.val()!==t.lastVal)try{V.datepicker.parseDate(V.datepicker._get(t,"dateFormat"),t.input?t.input.val():null,V.datepicker._getFormatConfig(t))&&(V.datepicker._setDateFromField(t),V.datepicker._updateAlternate(t),V.datepicker._updateDatepicker(t))}catch(t){}return!0},_showDatepicker:function(t){var e,i,s,n;"input"!==(t=t.target||t).nodeName.toLowerCase()&&(t=V("input",t.parentNode)[0]),V.datepicker._isDisabledDatepicker(t)||V.datepicker._lastInput===t||(n=V.datepicker._getInst(t),V.datepicker._curInst&&V.datepicker._curInst!==n&&(V.datepicker._curInst.dpDiv.stop(!0,!0),n&&V.datepicker._datepickerShowing&&V.datepicker._hideDatepicker(V.datepicker._curInst.input[0])),!1!==(i=(s=V.datepicker._get(n,"beforeShow"))?s.apply(t,[t,n]):{})&&(at(n.settings,i),n.lastVal=null,V.datepicker._lastInput=t,V.datepicker._setDateFromField(n),V.datepicker._inDialog&&(t.value=""),V.datepicker._pos||(V.datepicker._pos=V.datepicker._findPos(t),V.datepicker._pos[1]+=t.offsetHeight),e=!1,V(t).parents().each(function(){return!(e|="fixed"===V(this).css("position"))}),s={left:V.datepicker._pos[0],top:V.datepicker._pos[1]},V.datepicker._pos=null,n.dpDiv.empty(),n.dpDiv.css({position:"absolute",display:"block",top:"-1000px"}),V.datepicker._updateDatepicker(n),s=V.datepicker._checkOffset(n,s,e),n.dpDiv.css({position:V.datepicker._inDialog&&V.blockUI?"static":e?"fixed":"absolute",display:"none",left:s.left+"px",top:s.top+"px"}),n.inline||(i=V.datepicker._get(n,"showAnim"),s=V.datepicker._get(n,"duration"),n.dpDiv.css("z-index",function(t){for(var e,i;t.length&&t[0]!==document;){if(("absolute"===(e=t.css("position"))||"relative"===e||"fixed"===e)&&(i=parseInt(t.css("zIndex"),10),!isNaN(i)&&0!==i))return i;t=t.parent()}return 0}(V(t))+1),V.datepicker._datepickerShowing=!0,V.effects&&V.effects.effect[i]?n.dpDiv.show(i,V.datepicker._get(n,"showOptions"),s):n.dpDiv[i||"show"](i?s:null),V.datepicker._shouldFocusInput(n)&&n.input.trigger("focus"),V.datepicker._curInst=n)))},_updateDatepicker:function(t){this.maxRows=4,(it=t).dpDiv.empty().append(this._generateHTML(t)),this._attachHandlers(t);var e,i=this._getNumberOfMonths(t),s=i[1],n=t.dpDiv.find("."+this._dayOverClass+" a"),o=V.datepicker._get(t,"onUpdateDatepicker");0<n.length&&ot.apply(n.get(0)),t.dpDiv.removeClass("ui-datepicker-multi-2 ui-datepicker-multi-3 ui-datepicker-multi-4").width(""),1<s&&t.dpDiv.addClass("ui-datepicker-multi-"+s).css("width",17*s+"em"),t.dpDiv[(1!==i[0]||1!==i[1]?"add":"remove")+"Class"]("ui-datepicker-multi"),t.dpDiv[(this._get(t,"isRTL")?"add":"remove")+"Class"]("ui-datepicker-rtl"),t===V.datepicker._curInst&&V.datepicker._datepickerShowing&&V.datepicker._shouldFocusInput(t)&&t.input.trigger("focus"),t.yearshtml&&(e=t.yearshtml,setTimeout(function(){e===t.yearshtml&&t.yearshtml&&t.dpDiv.find("select.ui-datepicker-year").first().replaceWith(t.yearshtml),e=t.yearshtml=null},0)),o&&o.apply(t.input?t.input[0]:null,[t])},_shouldFocusInput:function(t){return t.input&&t.input.is(":visible")&&!t.input.is(":disabled")&&!t.input.is(":focus")},_checkOffset:function(t,e,i){var s=t.dpDiv.outerWidth(),n=t.dpDiv.outerHeight(),o=t.input?t.input.outerWidth():0,a=t.input?t.input.outerHeight():0,r=document.documentElement.clientWidth+(i?0:V(document).scrollLeft()),l=document.documentElement.clientHeight+(i?0:V(document).scrollTop());return e.left-=this._get(t,"isRTL")?s-o:0,e.left-=i&&e.left===t.input.offset().left?V(document).scrollLeft():0,e.top-=i&&e.top===t.input.offset().top+a?V(document).scrollTop():0,e.left-=Math.min(e.left,e.left+s>r&&s<r?Math.abs(e.left+s-r):0),e.top-=Math.min(e.top,e.top+n>l&&n<l?Math.abs(n+a):0),e},_findPos:function(t){for(var e=this._getInst(t),i=this._get(e,"isRTL");t&&("hidden"===t.type||1!==t.nodeType||V.expr.pseudos.hidden(t));)t=t[i?"previousSibling":"nextSibling"];return[(e=V(t).offset()).left,e.top]},_hideDatepicker:function(t){var e,i,s=this._curInst;!s||t&&s!==V.data(t,"datepicker")||this._datepickerShowing&&(e=this._get(s,"showAnim"),i=this._get(s,"duration"),t=function(){V.datepicker._tidyDialog(s)},V.effects&&(V.effects.effect[e]||V.effects[e])?s.dpDiv.hide(e,V.datepicker._get(s,"showOptions"),i,t):s.dpDiv["slideDown"===e?"slideUp":"fadeIn"===e?"fadeOut":"hide"](e?i:null,t),e||t(),this._datepickerShowing=!1,(t=this._get(s,"onClose"))&&t.apply(s.input?s.input[0]:null,[s.input?s.input.val():"",s]),this._lastInput=null,this._inDialog&&(this._dialogInput.css({position:"absolute",left:"0",top:"-100px"}),V.blockUI&&(V.unblockUI(),V("body").append(this.dpDiv))),this._inDialog=!1)},_tidyDialog:function(t){t.dpDiv.removeClass(this._dialogClass).off(".ui-datepicker-calendar")},_checkExternalClick:function(t){var e;V.datepicker._curInst&&(e=V(t.target),t=V.datepicker._getInst(e[0]),(e[0].id===V.datepicker._mainDivId||0!==e.parents("#"+V.datepicker._mainDivId).length||e.hasClass(V.datepicker.markerClassName)||e.closest("."+V.datepicker._triggerClass).length||!V.datepicker._datepickerShowing||V.datepicker._inDialog&&V.blockUI)&&(!e.hasClass(V.datepicker.markerClassName)||V.datepicker._curInst===t)||V.datepicker._hideDatepicker())},_adjustDate:function(t,e,i){var s=V(t),t=this._getInst(s[0]);this._isDisabledDatepicker(s[0])||(this._adjustInstDate(t,e,i),this._updateDatepicker(t))},_gotoToday:function(t){var e=V(t),i=this._getInst(e[0]);this._get(i,"gotoCurrent")&&i.currentDay?(i.selectedDay=i.currentDay,i.drawMonth=i.selectedMonth=i.currentMonth,i.drawYear=i.selectedYear=i.currentYear):(t=new Date,i.selectedDay=t.getDate(),i.drawMonth=i.selectedMonth=t.getMonth(),i.drawYear=i.selectedYear=t.getFullYear()),this._notifyChange(i),this._adjustDate(e)},_selectMonthYear:function(t,e,i){var s=V(t),t=this._getInst(s[0]);t["selected"+("M"===i?"Month":"Year")]=t["draw"+("M"===i?"Month":"Year")]=parseInt(e.options[e.selectedIndex].value,10),this._notifyChange(t),this._adjustDate(s)},_selectDay:function(t,e,i,s){var n=V(t);V(s).hasClass(this._unselectableClass)||this._isDisabledDatepicker(n[0])||((n=this._getInst(n[0])).selectedDay=n.currentDay=parseInt(V("a",s).attr("data-date")),n.selectedMonth=n.currentMonth=e,n.selectedYear=n.currentYear=i,this._selectDate(t,this._formatDate(n,n.currentDay,n.currentMonth,n.currentYear)))},_clearDate:function(t){t=V(t);this._selectDate(t,"")},_selectDate:function(t,e){var i=V(t),t=this._getInst(i[0]);e=null!=e?e:this._formatDate(t),t.input&&t.input.val(e),this._updateAlternate(t),(i=this._get(t,"onSelect"))?i.apply(t.input?t.input[0]:null,[e,t]):t.input&&t.input.trigger("change"),t.inline?this._updateDatepicker(t):(this._hideDatepicker(),this._lastInput=t.input[0],"object"!=typeof t.input[0]&&t.input.trigger("focus"),this._lastInput=null)},_updateAlternate:function(t){var e,i,s=this._get(t,"altField");s&&(e=this._get(t,"altFormat")||this._get(t,"dateFormat"),i=this._getDate(t),t=this.formatDate(e,i,this._getFormatConfig(t)),V(document).find(s).val(t))},noWeekends:function(t){t=t.getDay();return[0<t&&t<6,""]},iso8601Week:function(t){var e=new Date(t.getTime());return e.setDate(e.getDate()+4-(e.getDay()||7)),t=e.getTime(),e.setMonth(0),e.setDate(1),Math.floor(Math.round((t-e)/864e5)/7)+1},parseDate:function(e,n,t){if(null==e||null==n)throw"Invalid arguments";if(""===(n="object"==typeof n?n.toString():n+""))return null;for(var i,s,o,a=0,r=(t?t.shortYearCutoff:null)||this._defaults.shortYearCutoff,r="string"!=typeof r?r:(new Date).getFullYear()%100+parseInt(r,10),l=(t?t.dayNamesShort:null)||this._defaults.dayNamesShort,h=(t?t.dayNames:null)||this._defaults.dayNames,c=(t?t.monthNamesShort:null)||this._defaults.monthNamesShort,u=(t?t.monthNames:null)||this._defaults.monthNames,d=-1,p=-1,f=-1,g=-1,m=!1,_=function(t){t=w+1<e.length&&e.charAt(w+1)===t;return t&&w++,t},v=function(t){var e=_(t),e="@"===t?14:"!"===t?20:"y"===t&&e?4:"o"===t?3:2,e=new RegExp("^\\d{"+("y"===t?e:1)+","+e+"}"),e=n.substring(a).match(e);if(!e)throw"Missing number at position "+a;return a+=e[0].length,parseInt(e[0],10)},b=function(t,e,i){var s=-1,e=V.map(_(t)?i:e,function(t,e){return[[e,t]]}).sort(function(t,e){return-(t[1].length-e[1].length)});if(V.each(e,function(t,e){var i=e[1];if(n.substr(a,i.length).toLowerCase()===i.toLowerCase())return s=e[0],a+=i.length,!1}),-1!==s)return s+1;throw"Unknown name at position "+a},y=function(){if(n.charAt(a)!==e.charAt(w))throw"Unexpected literal at position "+a;a++},w=0;w<e.length;w++)if(m)"'"!==e.charAt(w)||_("'")?y():m=!1;else switch(e.charAt(w)){case"d":f=v("d");break;case"D":b("D",l,h);break;case"o":g=v("o");break;case"m":p=v("m");break;case"M":p=b("M",c,u);break;case"y":d=v("y");break;case"@":d=(o=new Date(v("@"))).getFullYear(),p=o.getMonth()+1,f=o.getDate();break;case"!":d=(o=new Date((v("!")-this._ticksTo1970)/1e4)).getFullYear(),p=o.getMonth()+1,f=o.getDate();break;case"'":_("'")?y():m=!0;break;default:y()}if(a<n.length&&(s=n.substr(a),!/^\s+/.test(s)))throw"Extra/unparsed characters found in date: "+s;if(-1===d?d=(new Date).getFullYear():d<100&&(d+=(new Date).getFullYear()-(new Date).getFullYear()%100+(d<=r?0:-100)),-1<g)for(p=1,f=g;;){if(f<=(i=this._getDaysInMonth(d,p-1)))break;p++,f-=i}if((o=this._daylightSavingAdjust(new Date(d,p-1,f))).getFullYear()!==d||o.getMonth()+1!==p||o.getDate()!==f)throw"Invalid date";return o},ATOM:"yy-mm-dd",COOKIE:"D, dd M yy",ISO_8601:"yy-mm-dd",RFC_822:"D, d M y",RFC_850:"DD, dd-M-y",RFC_1036:"D, d M y",RFC_1123:"D, d M yy",RFC_2822:"D, d M yy",RSS:"D, d M y",TICKS:"!",TIMESTAMP:"@",W3C:"yy-mm-dd",_ticksTo1970:24*(718685+Math.floor(492.5)-Math.floor(19.7)+Math.floor(4.925))*60*60*1e7,formatDate:function(e,t,i){if(!t)return"";function s(t,e,i){var s=""+e;if(c(t))for(;s.length<i;)s="0"+s;return s}function n(t,e,i,s){return(c(t)?s:i)[e]}var o,a=(i?i.dayNamesShort:null)||this._defaults.dayNamesShort,r=(i?i.dayNames:null)||this._defaults.dayNames,l=(i?i.monthNamesShort:null)||this._defaults.monthNamesShort,h=(i?i.monthNames:null)||this._defaults.monthNames,c=function(t){t=o+1<e.length&&e.charAt(o+1)===t;return t&&o++,t},u="",d=!1;if(t)for(o=0;o<e.length;o++)if(d)"'"!==e.charAt(o)||c("'")?u+=e.charAt(o):d=!1;else switch(e.charAt(o)){case"d":u+=s("d",t.getDate(),2);break;case"D":u+=n("D",t.getDay(),a,r);break;case"o":u+=s("o",Math.round((new Date(t.getFullYear(),t.getMonth(),t.getDate()).getTime()-new Date(t.getFullYear(),0,0).getTime())/864e5),3);break;case"m":u+=s("m",t.getMonth()+1,2);break;case"M":u+=n("M",t.getMonth(),l,h);break;case"y":u+=c("y")?t.getFullYear():(t.getFullYear()%100<10?"0":"")+t.getFullYear()%100;break;case"@":u+=t.getTime();break;case"!":u+=1e4*t.getTime()+this._ticksTo1970;break;case"'":c("'")?u+="'":d=!0;break;default:u+=e.charAt(o)}return u},_possibleChars:function(e){for(var t="",i=!1,s=function(t){t=n+1<e.length&&e.charAt(n+1)===t;return t&&n++,t},n=0;n<e.length;n++)if(i)"'"!==e.charAt(n)||s("'")?t+=e.charAt(n):i=!1;else switch(e.charAt(n)){case"d":case"m":case"y":case"@":t+="0123456789";break;case"D":case"M":return null;case"'":s("'")?t+="'":i=!0;break;default:t+=e.charAt(n)}return t},_get:function(t,e){return(void 0!==t.settings[e]?t.settings:this._defaults)[e]},_setDateFromField:function(t,e){if(t.input.val()!==t.lastVal){var i=this._get(t,"dateFormat"),s=t.lastVal=t.input?t.input.val():null,n=this._getDefaultDate(t),o=n,a=this._getFormatConfig(t);try{o=this.parseDate(i,s,a)||n}catch(t){s=e?"":s}t.selectedDay=o.getDate(),t.drawMonth=t.selectedMonth=o.getMonth(),t.drawYear=t.selectedYear=o.getFullYear(),t.currentDay=s?o.getDate():0,t.currentMonth=s?o.getMonth():0,t.currentYear=s?o.getFullYear():0,this._adjustInstDate(t)}},_getDefaultDate:function(t){return this._restrictMinMax(t,this._determineDate(t,this._get(t,"defaultDate"),new Date))},_determineDate:function(r,t,e){var i,s,t=null==t||""===t?e:"string"==typeof t?function(t){try{return V.datepicker.parseDate(V.datepicker._get(r,"dateFormat"),t,V.datepicker._getFormatConfig(r))}catch(t){}for(var e=(t.toLowerCase().match(/^c/)?V.datepicker._getDate(r):null)||new Date,i=e.getFullYear(),s=e.getMonth(),n=e.getDate(),o=/([+\-]?[0-9]+)\s*(d|D|w|W|m|M|y|Y)?/g,a=o.exec(t);a;){switch(a[2]||"d"){case"d":case"D":n+=parseInt(a[1],10);break;case"w":case"W":n+=7*parseInt(a[1],10);break;case"m":case"M":s+=parseInt(a[1],10),n=Math.min(n,V.datepicker._getDaysInMonth(i,s));break;case"y":case"Y":i+=parseInt(a[1],10),n=Math.min(n,V.datepicker._getDaysInMonth(i,s))}a=o.exec(t)}return new Date(i,s,n)}(t):"number"==typeof t?isNaN(t)?e:(i=t,(s=new Date).setDate(s.getDate()+i),s):new Date(t.getTime());return(t=t&&"Invalid Date"===t.toString()?e:t)&&(t.setHours(0),t.setMinutes(0),t.setSeconds(0),t.setMilliseconds(0)),this._daylightSavingAdjust(t)},_daylightSavingAdjust:function(t){return t?(t.setHours(12<t.getHours()?t.getHours()+2:0),t):null},_setDate:function(t,e,i){var s=!e,n=t.selectedMonth,o=t.selectedYear,e=this._restrictMinMax(t,this._determineDate(t,e,new 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ui-helper-clearfix"+y+"'>"+(/all|left/.test(y)&&0===m?N?s:i:"")+(/all|right/.test(y)&&0===m?N?i:s:"")+this._generateMonthYearHeader(t,K,U,j,q,0<m||0<v,l,h)+"</div><table class='ui-datepicker-calendar'><thead><tr>",x=o?"<th class='ui-datepicker-week-col'>"+this._get(t,"weekHeader")+"</th>":"",g=0;g<7;g++)x+="<th scope='col'"+(5<=(g+n+6)%7?" class='ui-datepicker-week-end'":"")+"><span title='"+a[k=(g+n)%7]+"'>"+r[k]+"</span></th>";for(w+=x+"</tr></thead><tbody>",D=this._getDaysInMonth(U,K),U===t.selectedYear&&K===t.selectedMonth&&(t.selectedDay=Math.min(t.selectedDay,D)),C=(this._getFirstDayOfMonth(U,K)-n+7)%7,D=Math.ceil((C+D)/7),I=Y&&this.maxRows>D?this.maxRows:D,this.maxRows=I,T=this._daylightSavingAdjust(new Date(U,K,1-C)),P=0;P<I;P++){for(w+="<tr>",M=o?"<td class='ui-datepicker-week-col'>"+this._get(t,"calculateWeek")(T)+"</td>":"",g=0;g<7;g++)S=c?c.apply(t.input?t.input[0]:null,[T]):[!0,""],z=(H=T.getMonth()!==K)&&!d||!S[0]||j&&T<j||q&&q<T,M+="<td class='"+(5<=(g+n+6)%7?" ui-datepicker-week-end":"")+(H?" ui-datepicker-other-month":"")+(T.getTime()===b.getTime()&&K===t.selectedMonth&&t._keyEvent||p.getTime()===T.getTime()&&p.getTime()===b.getTime()?" 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this.helper=this._createHelper(t),this._addClass(this.helper,"ui-draggable-dragging"),this._cacheHelperProportions(),V.ui.ddmanager&&(V.ui.ddmanager.current=this),this._cacheMargins(),this.cssPosition=this.helper.css("position"),this.scrollParent=this.helper.scrollParent(!0),this.offsetParent=this.helper.offsetParent(),this.hasFixedAncestor=0<this.helper.parents().filter(function(){return"fixed"===V(this).css("position")}).length,this.positionAbs=this.element.offset(),this._refreshOffsets(t),this.originalPosition=this.position=this._generatePosition(t,!1),this.originalPageX=t.pageX,this.originalPageY=t.pageY,e.cursorAt&&this._adjustOffsetFromHelper(e.cursorAt),this._setContainment(),!1===this._trigger("start",t)?(this._clear(),!1):(this._cacheHelperProportions(),V.ui.ddmanager&&!e.dropBehaviour&&V.ui.ddmanager.prepareOffsets(this,t),this._mouseDrag(t,!0),V.ui.ddmanager&&V.ui.ddmanager.dragStart(this,t),!0)},_refreshOffsets:function(t){this.offset={top:this.positionAbs.top-this.margins.top,left:this.positionAbs.left-this.margins.left,scroll:!1,parent:this._getParentOffset(),relative:this._getRelativeOffset()},this.offset.click={left:t.pageX-this.offset.left,top:t.pageY-this.offset.top}},_mouseDrag:function(t,e){if(this.hasFixedAncestor&&(this.offset.parent=this._getParentOffset()),this.position=this._generatePosition(t,!0),this.positionAbs=this._convertPositionTo("absolute"),!e){e=this._uiHash();if(!1===this._trigger("drag",t,e))return 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this.helper.is(".ui-draggable-dragging")?this._mouseUp(new V.Event("mouseup",{target:this.element[0]})):this._clear(),this},_getHandle:function(t){return!this.options.handle||!!V(t.target).closest(this.element.find(this.options.handle)).length},_setHandleClassName:function(){this.handleElement=this.options.handle?this.element.find(this.options.handle):this.element,this._addClass(this.handleElement,"ui-draggable-handle")},_removeHandleClassName:function(){this._removeClass(this.handleElement,"ui-draggable-handle")},_createHelper:function(t){var e=this.options,i="function"==typeof e.helper,t=i?V(e.helper.apply(this.element[0],[t])):"clone"===e.helper?this.element.clone().removeAttr("id"):this.element;return t.parents("body").length||t.appendTo("parent"===e.appendTo?this.element[0].parentNode:e.appendTo),i&&t[0]===this.element[0]&&this._setPositionRelative(),t[0]===this.element[0]||/(fixed|absolute)/.test(t.css("position"))||t.css("position","absolute"),t},_setPositionRelative:function(){/^(?:r|a|f)/.test(this.element.css("position"))||(this.element[0].style.position="relative")},_adjustOffsetFromHelper:function(t){"string"==typeof t&&(t=t.split(" ")),"left"in(t=Array.isArray(t)?{left:+t[0],top:+t[1]||0}:t)&&(this.offset.click.left=t.left+this.margins.left),"right"in t&&(this.offset.click.left=this.helperProportions.width-t.right+this.margins.left),"top"in t&&(this.offset.click.top=t.top+this.margins.top),"bottom"in t&&(this.offset.click.top=this.helperProportions.height-t.bottom+this.margins.top)},_isRootNode:function(t){return/(html|body)/i.test(t.tagName)||t===this.document[0]},_getParentOffset:function(){var t=this.offsetParent.offset(),e=this.document[0];return"absolute"===this.cssPosition&&this.scrollParent[0]!==e&&V.contains(this.scrollParent[0],this.offsetParent[0])&&(t.left+=this.scrollParent.scrollLeft(),t.top+=this.scrollParent.scrollTop()),{top:(t=this._isRootNode(this.offsetParent[0])?{top:0,left:0}:t).top+(parseInt(this.offsetParent.css("borderTopWidth"),10)||0),left:t.left+(parseInt(this.offsetParent.css("borderLeftWidth"),10)||0)}},_getRelativeOffset:function(){if("relative"!==this.cssPosition)return{top:0,left:0};var t=this.element.position(),e=this._isRootNode(this.scrollParent[0]);return{top:t.top-(parseInt(this.helper.css("top"),10)||0)+(e?0:this.scrollParent.scrollTop()),left:t.left-(parseInt(this.helper.css("left"),10)||0)+(e?0:this.scrollParent.scrollLeft())}},_cacheMargins:function(){this.margins={left:parseInt(this.element.css("marginLeft"),10)||0,top:parseInt(this.element.css("marginTop"),10)||0,right:parseInt(this.element.css("marginRight"),10)||0,bottom:parseInt(this.element.css("marginBottom"),10)||0}},_cacheHelperProportions:function(){this.helperProportions={width:this.helper.outerWidth(),height:this.helper.outerHeight()}},_setContainment:function(){var t,e,i,s=this.options,n=this.document[0];this.relativeContainer=null,s.containment?"window"!==s.containment?"document"!==s.containment?s.containment.constructor!==Array?("parent"===s.containment&&(s.containment=this.helper[0].parentNode),(i=(e=V(s.containment))[0])&&(t=/(scroll|auto)/.test(e.css("overflow")),this.containment=[(parseInt(e.css("borderLeftWidth"),10)||0)+(parseInt(e.css("paddingLeft"),10)||0),(parseInt(e.css("borderTopWidth"),10)||0)+(parseInt(e.css("paddingTop"),10)||0),(t?Math.max(i.scrollWidth,i.offsetWidth):i.offsetWidth)-(parseInt(e.css("borderRightWidth"),10)||0)-(parseInt(e.css("paddingRight"),10)||0)-this.helperProportions.width-this.margins.left-this.margins.right,(t?Math.max(i.scrollHeight,i.offsetHeight):i.offsetHeight)-(parseInt(e.css("borderBottomWidth"),10)||0)-(parseInt(e.css("paddingBottom"),10)||0)-this.helperProportions.height-this.margins.top-this.margins.bottom],this.relativeContainer=e)):this.containment=s.containment:this.containment=[0,0,V(n).width()-this.helperProportions.width-this.margins.left,(V(n).height()||n.body.parentNode.scrollHeight)-this.helperProportions.height-this.margins.top]:this.containment=[V(window).scrollLeft()-this.offset.relative.left-this.offset.parent.left,V(window).scrollTop()-this.offset.relative.top-this.offset.parent.top,V(window).scrollLeft()+V(window).width()-this.helperProportions.width-this.margins.left,V(window).scrollTop()+(V(window).height()||n.body.parentNode.scrollHeight)-this.helperProportions.height-this.margins.top]:this.containment=null},_convertPositionTo:function(t,e){e=e||this.position;var i="absolute"===t?1:-1,t=this._isRootNode(this.scrollParent[0]);return{top:e.top+this.offset.relative.top*i+this.offset.parent.top*i-("fixed"===this.cssPosition?-this.offset.scroll.top:t?0:this.offset.scroll.top)*i,left:e.left+this.offset.relative.left*i+this.offset.parent.left*i-("fixed"===this.cssPosition?-this.offset.scroll.left:t?0:this.offset.scroll.left)*i}},_generatePosition:function(t,e){var i,s=this.options,n=this._isRootNode(this.scrollParent[0]),o=t.pageX,a=t.pageY;return n&&this.offset.scroll||(this.offset.scroll={top:this.scrollParent.scrollTop(),left:this.scrollParent.scrollLeft()}),e&&(this.containment&&(i=this.relativeContainer?(i=this.relativeContainer.offset(),[this.containment[0]+i.left,this.containment[1]+i.top,this.containment[2]+i.left,this.containment[3]+i.top]):this.containment,t.pageX-this.offset.click.left<i[0]&&(o=i[0]+this.offset.click.left),t.pageY-this.offset.click.top<i[1]&&(a=i[1]+this.offset.click.top),t.pageX-this.offset.click.left>i[2]&&(o=i[2]+this.offset.click.left),t.pageY-this.offset.click.top>i[3]&&(a=i[3]+this.offset.click.top)),s.grid&&(t=s.grid[1]?this.originalPageY+Math.round((a-this.originalPageY)/s.grid[1])*s.grid[1]:this.originalPageY,a=!i||t-this.offset.click.top>=i[1]||t-this.offset.click.top>i[3]?t:t-this.offset.click.top>=i[1]?t-s.grid[1]:t+s.grid[1],t=s.grid[0]?this.originalPageX+Math.round((o-this.originalPageX)/s.grid[0])*s.grid[0]:this.originalPageX,o=!i||t-this.offset.click.left>=i[0]||t-this.offset.click.left>i[2]?t:t-this.offset.click.left>=i[0]?t-s.grid[0]:t+s.grid[0]),"y"===s.axis&&(o=this.originalPageX),"x"===s.axis&&(a=this.originalPageY)),{top:a-this.offset.click.top-this.offset.relative.top-this.offset.parent.top+("fixed"===this.cssPosition?-this.offset.scroll.top:n?0:this.offset.scroll.top),left:o-this.offset.click.left-this.offset.relative.left-this.offset.parent.left+("fixed"===this.cssPosition?-this.offset.scroll.left:n?0:this.offset.scroll.left)}},_clear:function(){this._removeClass(this.helper,"ui-draggable-dragging"),this.helper[0]===this.element[0]||this.cancelHelperRemoval||this.helper.remove(),this.helper=null,this.cancelHelperRemoval=!1,this.destroyOnClear&&this.destroy()},_trigger:function(t,e,i){return i=i||this._uiHash(),V.ui.plugin.call(this,t,[e,i,this],!0),/^(drag|start|stop)/.test(t)&&(this.positionAbs=this._convertPositionTo("absolute"),i.offset=this.positionAbs),V.Widget.prototype._trigger.call(this,t,e,i)},plugins:{},_uiHash:function(){return{helper:this.helper,position:this.position,originalPosition:this.originalPosition,offset:this.positionAbs}}}),V.ui.plugin.add("draggable","connectToSortable",{start:function(e,t,i){var s=V.extend({},t,{item:i.element});i.sortables=[],V(i.options.connectToSortable).each(function(){var t=V(this).sortable("instance");t&&!t.options.disabled&&(i.sortables.push(t),t.refreshPositions(),t._trigger("activate",e,s))})},stop:function(e,t,i){var s=V.extend({},t,{item:i.element});i.cancelHelperRemoval=!1,V.each(i.sortables,function(){var t=this;t.isOver?(t.isOver=0,i.cancelHelperRemoval=!0,t.cancelHelperRemoval=!1,t._storedCSS={position:t.placeholder.css("position"),top:t.placeholder.css("top"),left:t.placeholder.css("left")},t._mouseStop(e),t.options.helper=t.options._helper):(t.cancelHelperRemoval=!0,t._trigger("deactivate",e,s))})},drag:function(i,s,n){V.each(n.sortables,function(){var t=!1,e=this;e.positionAbs=n.positionAbs,e.helperProportions=n.helperProportions,e.offset.click=n.offset.click,e._intersectsWith(e.containerCache)&&(t=!0,V.each(n.sortables,function(){return this.positionAbs=n.positionAbs,this.helperProportions=n.helperProportions,this.offset.click=n.offset.click,t=this!==e&&this._intersectsWith(this.containerCache)&&V.contains(e.element[0],this.element[0])?!1:t})),t?(e.isOver||(e.isOver=1,n._parent=s.helper.parent(),e.currentItem=s.helper.appendTo(e.element).data("ui-sortable-item",!0),e.options._helper=e.options.helper,e.options.helper=function(){return s.helper[0]},i.target=e.currentItem[0],e._mouseCapture(i,!0),e._mouseStart(i,!0,!0),e.offset.click.top=n.offset.click.top,e.offset.click.left=n.offset.click.left,e.offset.parent.left-=n.offset.parent.left-e.offset.parent.left,e.offset.parent.top-=n.offset.parent.top-e.offset.parent.top,n._trigger("toSortable",i),n.dropped=e.element,V.each(n.sortables,function(){this.refreshPositions()}),n.currentItem=n.element,e.fromOutside=n),e.currentItem&&(e._mouseDrag(i),s.position=e.position)):e.isOver&&(e.isOver=0,e.cancelHelperRemoval=!0,e.options._revert=e.options.revert,e.options.revert=!1,e._trigger("out",i,e._uiHash(e)),e._mouseStop(i,!0),e.options.revert=e.options._revert,e.options.helper=e.options._helper,e.placeholder&&e.placeholder.remove(),s.helper.appendTo(n._parent),n._refreshOffsets(i),s.position=n._generatePosition(i,!0),n._trigger("fromSortable",i),n.dropped=!1,V.each(n.sortables,function(){this.refreshPositions()}))})}}),V.ui.plugin.add("draggable","cursor",{start:function(t,e,i){var s=V("body"),i=i.options;s.css("cursor")&&(i._cursor=s.css("cursor")),s.css("cursor",i.cursor)},stop:function(t,e,i){i=i.options;i._cursor&&V("body").css("cursor",i._cursor)}}),V.ui.plugin.add("draggable","opacity",{start:function(t,e,i){e=V(e.helper),i=i.options;e.css("opacity")&&(i._opacity=e.css("opacity")),e.css("opacity",i.opacity)},stop:function(t,e,i){i=i.options;i._opacity&&V(e.helper).css("opacity",i._opacity)}}),V.ui.plugin.add("draggable","scroll",{start:function(t,e,i){i.scrollParentNotHidden||(i.scrollParentNotHidden=i.helper.scrollParent(!1)),i.scrollParentNotHidden[0]!==i.document[0]&&"HTML"!==i.scrollParentNotHidden[0].tagName&&(i.overflowOffset=i.scrollParentNotHidden.offset())},drag:function(t,e,i){var s=i.options,n=!1,o=i.scrollParentNotHidden[0],a=i.document[0];o!==a&&"HTML"!==o.tagName?(s.axis&&"x"===s.axis||(i.overflowOffset.top+o.offsetHeight-t.pageY<s.scrollSensitivity?o.scrollTop=n=o.scrollTop+s.scrollSpeed:t.pageY-i.overflowOffset.top<s.scrollSensitivity&&(o.scrollTop=n=o.scrollTop-s.scrollSpeed)),s.axis&&"y"===s.axis||(i.overflowOffset.left+o.offsetWidth-t.pageX<s.scrollSensitivity?o.scrollLeft=n=o.scrollLeft+s.scrollSpeed:t.pageX-i.overflowOffset.left<s.scrollSensitivity&&(o.scrollLeft=n=o.scrollLeft-s.scrollSpeed))):(s.axis&&"x"===s.axis||(t.pageY-V(a).scrollTop()<s.scrollSensitivity?n=V(a).scrollTop(V(a).scrollTop()-s.scrollSpeed):V(window).height()-(t.pageY-V(a).scrollTop())<s.scrollSensitivity&&(n=V(a).scrollTop(V(a).scrollTop()+s.scrollSpeed))),s.axis&&"y"===s.axis||(t.pageX-V(a).scrollLeft()<s.scrollSensitivity?n=V(a).scrollLeft(V(a).scrollLeft()-s.scrollSpeed):V(window).width()-(t.pageX-V(a).scrollLeft())<s.scrollSensitivity&&(n=V(a).scrollLeft(V(a).scrollLeft()+s.scrollSpeed)))),!1!==n&&V.ui.ddmanager&&!s.dropBehaviour&&V.ui.ddmanager.prepareOffsets(i,t)}}),V.ui.plugin.add("draggable","snap",{start:function(t,e,i){var s=i.options;i.snapElements=[],V(s.snap.constructor!==String?s.snap.items||":data(ui-draggable)":s.snap).each(function(){var t=V(this),e=t.offset();this!==i.element[0]&&i.snapElements.push({item:this,width:t.outerWidth(),height:t.outerHeight(),top:e.top,left:e.left})})},drag:function(t,e,i){for(var s,n,o,a,r,l,h,c,u,d=i.options,p=d.snapTolerance,f=e.offset.left,g=f+i.helperProportions.width,m=e.offset.top,_=m+i.helperProportions.height,v=i.snapElements.length-1;0<=v;v--)l=(r=i.snapElements[v].left-i.margins.left)+i.snapElements[v].width,c=(h=i.snapElements[v].top-i.margins.top)+i.snapElements[v].height,g<r-p||l+p<f||_<h-p||c+p<m||!V.contains(i.snapElements[v].item.ownerDocument,i.snapElements[v].item)?(i.snapElements[v].snapping&&i.options.snap.release&&i.options.snap.release.call(i.element,t,V.extend(i._uiHash(),{snapItem:i.snapElements[v].item})),i.snapElements[v].snapping=!1):("inner"!==d.snapMode&&(s=Math.abs(h-_)<=p,n=Math.abs(c-m)<=p,o=Math.abs(r-g)<=p,a=Math.abs(l-f)<=p,s&&(e.position.top=i._convertPositionTo("relative",{top:h-i.helperProportions.height,left:0}).top),n&&(e.position.top=i._convertPositionTo("relative",{top:c,left:0}).top),o&&(e.position.left=i._convertPositionTo("relative",{top:0,left:r-i.helperProportions.width}).left),a&&(e.position.left=i._convertPositionTo("relative",{top:0,left:l}).left)),u=s||n||o||a,"outer"!==d.snapMode&&(s=Math.abs(h-m)<=p,n=Math.abs(c-_)<=p,o=Math.abs(r-f)<=p,a=Math.abs(l-g)<=p,s&&(e.position.top=i._convertPositionTo("relative",{top:h,left:0}).top),n&&(e.position.top=i._convertPositionTo("relative",{top:c-i.helperProportions.height,left:0}).top),o&&(e.position.left=i._convertPositionTo("relative",{top:0,left:r}).left),a&&(e.position.left=i._convertPositionTo("relative",{top:0,left:l-i.helperProportions.width}).left)),!i.snapElements[v].snapping&&(s||n||o||a||u)&&i.options.snap.snap&&i.options.snap.snap.call(i.element,t,V.extend(i._uiHash(),{snapItem:i.snapElements[v].item})),i.snapElements[v].snapping=s||n||o||a||u)}}),V.ui.plugin.add("draggable","stack",{start:function(t,e,i){var s,i=i.options,i=V.makeArray(V(i.stack)).sort(function(t,e){return(parseInt(V(t).css("zIndex"),10)||0)-(parseInt(V(e).css("zIndex"),10)||0)});i.length&&(s=parseInt(V(i[0]).css("zIndex"),10)||0,V(i).each(function(t){V(this).css("zIndex",s+t)}),this.css("zIndex",s+i.length))}}),V.ui.plugin.add("draggable","zIndex",{start:function(t,e,i){e=V(e.helper),i=i.options;e.css("zIndex")&&(i._zIndex=e.css("zIndex")),e.css("zIndex",i.zIndex)},stop:function(t,e,i){i=i.options;i._zIndex&&V(e.helper).css("zIndex",i._zIndex)}});V.ui.draggable;V.widget("ui.resizable",V.ui.mouse,{version:"1.13.2",widgetEventPrefix:"resize",options:{alsoResize:!1,animate:!1,animateDuration:"slow",animateEasing:"swing",aspectRatio:!1,autoHide:!1,classes:{"ui-resizable-se":"ui-icon ui-icon-gripsmall-diagonal-se"},containment:!1,ghost:!1,grid:!1,handles:"e,s,se",helper:!1,maxHeight:null,maxWidth:null,minHeight:10,minWidth:10,zIndex:90,resize:null,start:null,stop:null},_num:function(t){return parseFloat(t)||0},_isNumber:function(t){return!isNaN(parseFloat(t))},_hasScroll:function(t,e){if("hidden"===V(t).css("overflow"))return!1;var i=e&&"left"===e?"scrollLeft":"scrollTop",e=!1;if(0<t[i])return!0;try{t[i]=1,e=0<t[i],t[i]=0}catch(t){}return e},_create:function(){var t,e=this.options,i=this;this._addClass("ui-resizable"),V.extend(this,{_aspectRatio:!!e.aspectRatio,aspectRatio:e.aspectRatio,originalElement:this.element,_proportionallyResizeElements:[],_helper:e.helper||e.ghost||e.animate?e.helper||"ui-resizable-helper":null}),this.element[0].nodeName.match(/^(canvas|textarea|input|select|button|img)$/i)&&(this.element.wrap(V("<div class='ui-wrapper'></div>").css({overflow:"hidden",position:this.element.css("position"),width:this.element.outerWidth(),height:this.element.outerHeight(),top:this.element.css("top"),left:this.element.css("left")})),this.element=this.element.parent().data("ui-resizable",this.element.resizable("instance")),this.elementIsWrapper=!0,t={marginTop:this.originalElement.css("marginTop"),marginRight:this.originalElement.css("marginRight"),marginBottom:this.originalElement.css("marginBottom"),marginLeft:this.originalElement.css("marginLeft")},this.element.css(t),this.originalElement.css("margin",0),this.originalResizeStyle=this.originalElement.css("resize"),this.originalElement.css("resize","none"),this._proportionallyResizeElements.push(this.originalElement.css({position:"static",zoom:1,display:"block"})),this.originalElement.css(t),this._proportionallyResize()),this._setupHandles(),e.autoHide&&V(this.element).on("mouseenter",function(){e.disabled||(i._removeClass("ui-resizable-autohide"),i._handles.show())}).on("mouseleave",function(){e.disabled||i.resizing||(i._addClass("ui-resizable-autohide"),i._handles.hide())}),this._mouseInit()},_destroy:function(){this._mouseDestroy(),this._addedHandles.remove();function t(t){V(t).removeData("resizable").removeData("ui-resizable").off(".resizable")}var e;return this.elementIsWrapper&&(t(this.element),e=this.element,this.originalElement.css({position:e.css("position"),width:e.outerWidth(),height:e.outerHeight(),top:e.css("top"),left:e.css("left")}).insertAfter(e),e.remove()),this.originalElement.css("resize",this.originalResizeStyle),t(this.originalElement),this},_setOption:function(t,e){switch(this._super(t,e),t){case"handles":this._removeHandles(),this._setupHandles();break;case"aspectRatio":this._aspectRatio=!!e}},_setupHandles:function(){var t,e,i,s,n,o=this.options,a=this;if(this.handles=o.handles||(V(".ui-resizable-handle",this.element).length?{n:".ui-resizable-n",e:".ui-resizable-e",s:".ui-resizable-s",w:".ui-resizable-w",se:".ui-resizable-se",sw:".ui-resizable-sw",ne:".ui-resizable-ne",nw:".ui-resizable-nw"}:"e,s,se"),this._handles=V(),this._addedHandles=V(),this.handles.constructor===String)for("all"===this.handles&&(this.handles="n,e,s,w,se,sw,ne,nw"),i=this.handles.split(","),this.handles={},e=0;e<i.length;e++)s="ui-resizable-"+(t=String.prototype.trim.call(i[e])),n=V("<div>"),this._addClass(n,"ui-resizable-handle "+s),n.css({zIndex:o.zIndex}),this.handles[t]=".ui-resizable-"+t,this.element.children(this.handles[t]).length||(this.element.append(n),this._addedHandles=this._addedHandles.add(n));this._renderAxis=function(t){var e,i,s;for(e in t=t||this.element,this.handles)this.handles[e].constructor===String?this.handles[e]=this.element.children(this.handles[e]).first().show():(this.handles[e].jquery||this.handles[e].nodeType)&&(this.handles[e]=V(this.handles[e]),this._on(this.handles[e],{mousedown:a._mouseDown})),this.elementIsWrapper&&this.originalElement[0].nodeName.match(/^(textarea|input|select|button)$/i)&&(i=V(this.handles[e],this.element),s=/sw|ne|nw|se|n|s/.test(e)?i.outerHeight():i.outerWidth(),i=["padding",/ne|nw|n/.test(e)?"Top":/se|sw|s/.test(e)?"Bottom":/^e$/.test(e)?"Right":"Left"].join(""),t.css(i,s),this._proportionallyResize()),this._handles=this._handles.add(this.handles[e])},this._renderAxis(this.element),this._handles=this._handles.add(this.element.find(".ui-resizable-handle")),this._handles.disableSelection(),this._handles.on("mouseover",function(){a.resizing||(this.className&&(n=this.className.match(/ui-resizable-(se|sw|ne|nw|n|e|s|w)/i)),a.axis=n&&n[1]?n[1]:"se")}),o.autoHide&&(this._handles.hide(),this._addClass("ui-resizable-autohide"))},_removeHandles:function(){this._addedHandles.remove()},_mouseCapture:function(t){var e,i,s=!1;for(e in this.handles)(i=V(this.handles[e])[0])!==t.target&&!V.contains(i,t.target)||(s=!0);return!this.options.disabled&&s},_mouseStart:function(t){var e,i,s=this.options,n=this.element;return this.resizing=!0,this._renderProxy(),e=this._num(this.helper.css("left")),i=this._num(this.helper.css("top")),s.containment&&(e+=V(s.containment).scrollLeft()||0,i+=V(s.containment).scrollTop()||0),this.offset=this.helper.offset(),this.position={left:e,top:i},this.size=this._helper?{width:this.helper.width(),height:this.helper.height()}:{width:n.width(),height:n.height()},this.originalSize=this._helper?{width:n.outerWidth(),height:n.outerHeight()}:{width:n.width(),height:n.height()},this.sizeDiff={width:n.outerWidth()-n.width(),height:n.outerHeight()-n.height()},this.originalPosition={left:e,top:i},this.originalMousePosition={left:t.pageX,top:t.pageY},this.aspectRatio="number"==typeof s.aspectRatio?s.aspectRatio:this.originalSize.width/this.originalSize.height||1,s=V(".ui-resizable-"+this.axis).css("cursor"),V("body").css("cursor","auto"===s?this.axis+"-resize":s),this._addClass("ui-resizable-resizing"),this._propagate("start",t),!0},_mouseDrag:function(t){var e=this.originalMousePosition,i=this.axis,s=t.pageX-e.left||0,e=t.pageY-e.top||0,i=this._change[i];return this._updatePrevProperties(),i&&(e=i.apply(this,[t,s,e]),this._updateVirtualBoundaries(t.shiftKey),(this._aspectRatio||t.shiftKey)&&(e=this._updateRatio(e,t)),e=this._respectSize(e,t),this._updateCache(e),this._propagate("resize",t),e=this._applyChanges(),!this._helper&&this._proportionallyResizeElements.length&&this._proportionallyResize(),V.isEmptyObject(e)||(this._updatePrevProperties(),this._trigger("resize",t,this.ui()),this._applyChanges())),!1},_mouseStop:function(t){this.resizing=!1;var e,i,s,n=this.options,o=this;return this._helper&&(s=(e=(i=this._proportionallyResizeElements).length&&/textarea/i.test(i[0].nodeName))&&this._hasScroll(i[0],"left")?0:o.sizeDiff.height,i=e?0:o.sizeDiff.width,e={width:o.helper.width()-i,height:o.helper.height()-s},i=parseFloat(o.element.css("left"))+(o.position.left-o.originalPosition.left)||null,s=parseFloat(o.element.css("top"))+(o.position.top-o.originalPosition.top)||null,n.animate||this.element.css(V.extend(e,{top:s,left:i})),o.helper.height(o.size.height),o.helper.width(o.size.width),this._helper&&!n.animate&&this._proportionallyResize()),V("body").css("cursor","auto"),this._removeClass("ui-resizable-resizing"),this._propagate("stop",t),this._helper&&this.helper.remove(),!1},_updatePrevProperties:function(){this.prevPosition={top:this.position.top,left:this.position.left},this.prevSize={width:this.size.width,height:this.size.height}},_applyChanges:function(){var t={};return this.position.top!==this.prevPosition.top&&(t.top=this.position.top+"px"),this.position.left!==this.prevPosition.left&&(t.left=this.position.left+"px"),this.size.width!==this.prevSize.width&&(t.width=this.size.width+"px"),this.size.height!==this.prevSize.height&&(t.height=this.size.height+"px"),this.helper.css(t),t},_updateVirtualBoundaries:function(t){var e,i,s=this.options,n={minWidth:this._isNumber(s.minWidth)?s.minWidth:0,maxWidth:this._isNumber(s.maxWidth)?s.maxWidth:1/0,minHeight:this._isNumber(s.minHeight)?s.minHeight:0,maxHeight:this._isNumber(s.maxHeight)?s.maxHeight:1/0};(this._aspectRatio||t)&&(e=n.minHeight*this.aspectRatio,i=n.minWidth/this.aspectRatio,s=n.maxHeight*this.aspectRatio,t=n.maxWidth/this.aspectRatio,e>n.minWidth&&(n.minWidth=e),i>n.minHeight&&(n.minHeight=i),s<n.maxWidth&&(n.maxWidth=s),t<n.maxHeight&&(n.maxHeight=t)),this._vBoundaries=n},_updateCache:function(t){this.offset=this.helper.offset(),this._isNumber(t.left)&&(this.position.left=t.left),this._isNumber(t.top)&&(this.position.top=t.top),this._isNumber(t.height)&&(this.size.height=t.height),this._isNumber(t.width)&&(this.size.width=t.width)},_updateRatio:function(t){var e=this.position,i=this.size,s=this.axis;return this._isNumber(t.height)?t.width=t.height*this.aspectRatio:this._isNumber(t.width)&&(t.height=t.width/this.aspectRatio),"sw"===s&&(t.left=e.left+(i.width-t.width),t.top=null),"nw"===s&&(t.top=e.top+(i.height-t.height),t.left=e.left+(i.width-t.width)),t},_respectSize:function(t){var e=this._vBoundaries,i=this.axis,s=this._isNumber(t.width)&&e.maxWidth&&e.maxWidth<t.width,n=this._isNumber(t.height)&&e.maxHeight&&e.maxHeight<t.height,o=this._isNumber(t.width)&&e.minWidth&&e.minWidth>t.width,a=this._isNumber(t.height)&&e.minHeight&&e.minHeight>t.height,r=this.originalPosition.left+this.originalSize.width,l=this.originalPosition.top+this.originalSize.height,h=/sw|nw|w/.test(i),i=/nw|ne|n/.test(i);return o&&(t.width=e.minWidth),a&&(t.height=e.minHeight),s&&(t.width=e.maxWidth),n&&(t.height=e.maxHeight),o&&h&&(t.left=r-e.minWidth),s&&h&&(t.left=r-e.maxWidth),a&&i&&(t.top=l-e.minHeight),n&&i&&(t.top=l-e.maxHeight),t.width||t.height||t.left||!t.top?t.width||t.height||t.top||!t.left||(t.left=null):t.top=null,t},_getPaddingPlusBorderDimensions:function(t){for(var e=0,i=[],s=[t.css("borderTopWidth"),t.css("borderRightWidth"),t.css("borderBottomWidth"),t.css("borderLeftWidth")],n=[t.css("paddingTop"),t.css("paddingRight"),t.css("paddingBottom"),t.css("paddingLeft")];e<4;e++)i[e]=parseFloat(s[e])||0,i[e]+=parseFloat(n[e])||0;return{height:i[0]+i[2],width:i[1]+i[3]}},_proportionallyResize:function(){if(this._proportionallyResizeElements.length)for(var t,e=0,i=this.helper||this.element;e<this._proportionallyResizeElements.length;e++)t=this._proportionallyResizeElements[e],this.outerDimensions||(this.outerDimensions=this._getPaddingPlusBorderDimensions(t)),t.css({height:i.height()-this.outerDimensions.height||0,width:i.width()-this.outerDimensions.width||0})},_renderProxy:function(){var t=this.element,e=this.options;this.elementOffset=t.offset(),this._helper?(this.helper=this.helper||V("<div></div>").css({overflow:"hidden"}),this._addClass(this.helper,this._helper),this.helper.css({width:this.element.outerWidth(),height:this.element.outerHeight(),position:"absolute",left:this.elementOffset.left+"px",top:this.elementOffset.top+"px",zIndex:++e.zIndex}),this.helper.appendTo("body").disableSelection()):this.helper=this.element},_change:{e:function(t,e){return{width:this.originalSize.width+e}},w:function(t,e){var i=this.originalSize;return{left:this.originalPosition.left+e,width:i.width-e}},n:function(t,e,i){var s=this.originalSize;return{top:this.originalPosition.top+i,height:s.height-i}},s:function(t,e,i){return{height:this.originalSize.height+i}},se:function(t,e,i){return V.extend(this._change.s.apply(this,arguments),this._change.e.apply(this,[t,e,i]))},sw:function(t,e,i){return V.extend(this._change.s.apply(this,arguments),this._change.w.apply(this,[t,e,i]))},ne:function(t,e,i){return V.extend(this._change.n.apply(this,arguments),this._change.e.apply(this,[t,e,i]))},nw:function(t,e,i){return V.extend(this._change.n.apply(this,arguments),this._change.w.apply(this,[t,e,i]))}},_propagate:function(t,e){V.ui.plugin.call(this,t,[e,this.ui()]),"resize"!==t&&this._trigger(t,e,this.ui())},plugins:{},ui:function(){return{originalElement:this.originalElement,element:this.element,helper:this.helper,position:this.position,size:this.size,originalSize:this.originalSize,originalPosition:this.originalPosition}}}),V.ui.plugin.add("resizable","animate",{stop:function(e){var i=V(this).resizable("instance"),t=i.options,s=i._proportionallyResizeElements,n=s.length&&/textarea/i.test(s[0].nodeName),o=n&&i._hasScroll(s[0],"left")?0:i.sizeDiff.height,a=n?0:i.sizeDiff.width,n={width:i.size.width-a,height:i.size.height-o},a=parseFloat(i.element.css("left"))+(i.position.left-i.originalPosition.left)||null,o=parseFloat(i.element.css("top"))+(i.position.top-i.originalPosition.top)||null;i.element.animate(V.extend(n,o&&a?{top:o,left:a}:{}),{duration:t.animateDuration,easing:t.animateEasing,step:function(){var t={width:parseFloat(i.element.css("width")),height:parseFloat(i.element.css("height")),top:parseFloat(i.element.css("top")),left:parseFloat(i.element.css("left"))};s&&s.length&&V(s[0]).css({width:t.width,height:t.height}),i._updateCache(t),i._propagate("resize",e)}})}}),V.ui.plugin.add("resizable","containment",{start:function(){var i,s,n=V(this).resizable("instance"),t=n.options,e=n.element,o=t.containment,a=o instanceof V?o.get(0):/parent/.test(o)?e.parent().get(0):o;a&&(n.containerElement=V(a),/document/.test(o)||o===document?(n.containerOffset={left:0,top:0},n.containerPosition={left:0,top:0},n.parentData={element:V(document),left:0,top:0,width:V(document).width(),height:V(document).height()||document.body.parentNode.scrollHeight}):(i=V(a),s=[],V(["Top","Right","Left","Bottom"]).each(function(t,e){s[t]=n._num(i.css("padding"+e))}),n.containerOffset=i.offset(),n.containerPosition=i.position(),n.containerSize={height:i.innerHeight()-s[3],width:i.innerWidth()-s[1]},t=n.containerOffset,e=n.containerSize.height,o=n.containerSize.width,o=n._hasScroll(a,"left")?a.scrollWidth:o,e=n._hasScroll(a)?a.scrollHeight:e,n.parentData={element:a,left:t.left,top:t.top,width:o,height:e}))},resize:function(t){var e=V(this).resizable("instance"),i=e.options,s=e.containerOffset,n=e.position,o=e._aspectRatio||t.shiftKey,a={top:0,left:0},r=e.containerElement,t=!0;r[0]!==document&&/static/.test(r.css("position"))&&(a=s),n.left<(e._helper?s.left:0)&&(e.size.width=e.size.width+(e._helper?e.position.left-s.left:e.position.left-a.left),o&&(e.size.height=e.size.width/e.aspectRatio,t=!1),e.position.left=i.helper?s.left:0),n.top<(e._helper?s.top:0)&&(e.size.height=e.size.height+(e._helper?e.position.top-s.top:e.position.top),o&&(e.size.width=e.size.height*e.aspectRatio,t=!1),e.position.top=e._helper?s.top:0),i=e.containerElement.get(0)===e.element.parent().get(0),n=/relative|absolute/.test(e.containerElement.css("position")),i&&n?(e.offset.left=e.parentData.left+e.position.left,e.offset.top=e.parentData.top+e.position.top):(e.offset.left=e.element.offset().left,e.offset.top=e.element.offset().top),n=Math.abs(e.sizeDiff.width+(e._helper?e.offset.left-a.left:e.offset.left-s.left)),s=Math.abs(e.sizeDiff.height+(e._helper?e.offset.top-a.top:e.offset.top-s.top)),n+e.size.width>=e.parentData.width&&(e.size.width=e.parentData.width-n,o&&(e.size.height=e.size.width/e.aspectRatio,t=!1)),s+e.size.height>=e.parentData.height&&(e.size.height=e.parentData.height-s,o&&(e.size.width=e.size.height*e.aspectRatio,t=!1)),t||(e.position.left=e.prevPosition.left,e.position.top=e.prevPosition.top,e.size.width=e.prevSize.width,e.size.height=e.prevSize.height)},stop:function(){var t=V(this).resizable("instance"),e=t.options,i=t.containerOffset,s=t.containerPosition,n=t.containerElement,o=V(t.helper),a=o.offset(),r=o.outerWidth()-t.sizeDiff.width,o=o.outerHeight()-t.sizeDiff.height;t._helper&&!e.animate&&/relative/.test(n.css("position"))&&V(this).css({left:a.left-s.left-i.left,width:r,height:o}),t._helper&&!e.animate&&/static/.test(n.css("position"))&&V(this).css({left:a.left-s.left-i.left,width:r,height:o})}}),V.ui.plugin.add("resizable","alsoResize",{start:function(){var t=V(this).resizable("instance").options;V(t.alsoResize).each(function(){var t=V(this);t.data("ui-resizable-alsoresize",{width:parseFloat(t.width()),height:parseFloat(t.height()),left:parseFloat(t.css("left")),top:parseFloat(t.css("top"))})})},resize:function(t,i){var e=V(this).resizable("instance"),s=e.options,n=e.originalSize,o=e.originalPosition,a={height:e.size.height-n.height||0,width:e.size.width-n.width||0,top:e.position.top-o.top||0,left:e.position.left-o.left||0};V(s.alsoResize).each(function(){var t=V(this),s=V(this).data("ui-resizable-alsoresize"),n={},e=t.parents(i.originalElement[0]).length?["width","height"]:["width","height","top","left"];V.each(e,function(t,e){var i=(s[e]||0)+(a[e]||0);i&&0<=i&&(n[e]=i||null)}),t.css(n)})},stop:function(){V(this).removeData("ui-resizable-alsoresize")}}),V.ui.plugin.add("resizable","ghost",{start:function(){var t=V(this).resizable("instance"),e=t.size;t.ghost=t.originalElement.clone(),t.ghost.css({opacity:.25,display:"block",position:"relative",height:e.height,width:e.width,margin:0,left:0,top:0}),t._addClass(t.ghost,"ui-resizable-ghost"),!1!==V.uiBackCompat&&"string"==typeof t.options.ghost&&t.ghost.addClass(this.options.ghost),t.ghost.appendTo(t.helper)},resize:function(){var t=V(this).resizable("instance");t.ghost&&t.ghost.css({position:"relative",height:t.size.height,width:t.size.width})},stop:function(){var t=V(this).resizable("instance");t.ghost&&t.helper&&t.helper.get(0).removeChild(t.ghost.get(0))}}),V.ui.plugin.add("resizable","grid",{resize:function(){var t,e=V(this).resizable("instance"),i=e.options,s=e.size,n=e.originalSize,o=e.originalPosition,a=e.axis,r="number"==typeof i.grid?[i.grid,i.grid]:i.grid,l=r[0]||1,h=r[1]||1,c=Math.round((s.width-n.width)/l)*l,u=Math.round((s.height-n.height)/h)*h,d=n.width+c,p=n.height+u,f=i.maxWidth&&i.maxWidth<d,g=i.maxHeight&&i.maxHeight<p,m=i.minWidth&&i.minWidth>d,s=i.minHeight&&i.minHeight>p;i.grid=r,m&&(d+=l),s&&(p+=h),f&&(d-=l),g&&(p-=h),/^(se|s|e)$/.test(a)?(e.size.width=d,e.size.height=p):/^(ne)$/.test(a)?(e.size.width=d,e.size.height=p,e.position.top=o.top-u):/^(sw)$/.test(a)?(e.size.width=d,e.size.height=p,e.position.left=o.left-c):((p-h<=0||d-l<=0)&&(t=e._getPaddingPlusBorderDimensions(this)),0<p-h?(e.size.height=p,e.position.top=o.top-u):(p=h-t.height,e.size.height=p,e.position.top=o.top+n.height-p),0<d-l?(e.size.width=d,e.position.left=o.left-c):(d=l-t.width,e.size.width=d,e.position.left=o.left+n.width-d))}});V.ui.resizable;V.widget("ui.dialog",{version:"1.13.2",options:{appendTo:"body",autoOpen:!0,buttons:[],classes:{"ui-dialog":"ui-corner-all","ui-dialog-titlebar":"ui-corner-all"},closeOnEscape:!0,closeText:"Close",draggable:!0,hide:null,height:"auto",maxHeight:null,maxWidth:null,minHeight:150,minWidth:150,modal:!1,position:{my:"center",at:"center",of:window,collision:"fit",using:function(t){var 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t=this.options.appendTo;return t&&(t.jquery||t.nodeType)?V(t):this.document.find(t||"body").eq(0)},_destroy:function(){var t,e=this.originalPosition;this._untrackInstance(),this._destroyOverlay(),this.element.removeUniqueId().css(this.originalCss).detach(),this.uiDialog.remove(),this.originalTitle&&this.element.attr("title",this.originalTitle),(t=e.parent.children().eq(e.index)).length&&t[0]!==this.element[0]?t.before(this.element):e.parent.append(this.element)},widget:function(){return this.uiDialog},disable:V.noop,enable:V.noop,close:function(t){var e=this;this._isOpen&&!1!==this._trigger("beforeClose",t)&&(this._isOpen=!1,this._focusedElement=null,this._destroyOverlay(),this._untrackInstance(),this.opener.filter(":focusable").trigger("focus").length||V.ui.safeBlur(V.ui.safeActiveElement(this.document[0])),this._hide(this.uiDialog,this.options.hide,function(){e._trigger("close",t)}))},isOpen:function(){return this._isOpen},moveToTop:function(){this._moveToTop()},_moveToTop:function(t,e){var i=!1,s=this.uiDialog.siblings(".ui-front:visible").map(function(){return+V(this).css("z-index")}).get(),s=Math.max.apply(null,s);return s>=+this.uiDialog.css("z-index")&&(this.uiDialog.css("z-index",s+1),i=!0),i&&!e&&this._trigger("focus",t),i},open:function(){var t=this;this._isOpen?this._moveToTop()&&this._focusTabbable():(this._isOpen=!0,this.opener=V(V.ui.safeActiveElement(this.document[0])),this._size(),this._position(),this._createOverlay(),this._moveToTop(null,!0),this.overlay&&this.overlay.css("z-index",this.uiDialog.css("z-index")-1),this._show(this.uiDialog,this.options.show,function(){t._focusTabbable(),t._trigger("focus")}),this._makeFocusTarget(),this._trigger("open"))},_focusTabbable:function(){var t=this._focusedElement;(t=!(t=!(t=!(t=!(t=t||this.element.find("[autofocus]")).length?this.element.find(":tabbable"):t).length?this.uiDialogButtonPane.find(":tabbable"):t).length?this.uiDialogTitlebarClose.filter(":tabbable"):t).length?this.uiDialog:t).eq(0).trigger("focus")},_restoreTabbableFocus:function(){var t=V.ui.safeActiveElement(this.document[0]);this.uiDialog[0]===t||V.contains(this.uiDialog[0],t)||this._focusTabbable()},_keepFocus:function(t){t.preventDefault(),this._restoreTabbableFocus(),this._delay(this._restoreTabbableFocus)},_createWrapper:function(){this.uiDialog=V("<div>").hide().attr({tabIndex:-1,role:"dialog"}).appendTo(this._appendTo()),this._addClass(this.uiDialog,"ui-dialog","ui-widget ui-widget-content ui-front"),this._on(this.uiDialog,{keydown:function(t){if(this.options.closeOnEscape&&!t.isDefaultPrevented()&&t.keyCode&&t.keyCode===V.ui.keyCode.ESCAPE)return t.preventDefault(),void this.close(t);var e,i,s;t.keyCode!==V.ui.keyCode.TAB||t.isDefaultPrevented()||(e=this.uiDialog.find(":tabbable"),i=e.first(),s=e.last(),t.target!==s[0]&&t.target!==this.uiDialog[0]||t.shiftKey?t.target!==i[0]&&t.target!==this.uiDialog[0]||!t.shiftKey||(this._delay(function(){s.trigger("focus")}),t.preventDefault()):(this._delay(function(){i.trigger("focus")}),t.preventDefault()))},mousedown:function(t){this._moveToTop(t)&&this._focusTabbable()}}),this.element.find("[aria-describedby]").length||this.uiDialog.attr({"aria-describedby":this.element.uniqueId().attr("id")})},_createTitlebar:function(){var t;this.uiDialogTitlebar=V("<div>"),this._addClass(this.uiDialogTitlebar,"ui-dialog-titlebar","ui-widget-header ui-helper-clearfix"),this._on(this.uiDialogTitlebar,{mousedown:function(t){V(t.target).closest(".ui-dialog-titlebar-close")||this.uiDialog.trigger("focus")}}),this.uiDialogTitlebarClose=V("<button type='button'></button>").button({label:V("<a>").text(this.options.closeText).html(),icon:"ui-icon-closethick",showLabel:!1}).appendTo(this.uiDialogTitlebar),this._addClass(this.uiDialogTitlebarClose,"ui-dialog-titlebar-close"),this._on(this.uiDialogTitlebarClose,{click:function(t){t.preventDefault(),this.close(t)}}),t=V("<span>").uniqueId().prependTo(this.uiDialogTitlebar),this._addClass(t,"ui-dialog-title"),this._title(t),this.uiDialogTitlebar.prependTo(this.uiDialog),this.uiDialog.attr({"aria-labelledby":t.attr("id")})},_title:function(t){this.options.title?t.text(this.options.title):t.html("&#160;")},_createButtonPane:function(){this.uiDialogButtonPane=V("<div>"),this._addClass(this.uiDialogButtonPane,"ui-dialog-buttonpane","ui-widget-content ui-helper-clearfix"),this.uiButtonSet=V("<div>").appendTo(this.uiDialogButtonPane),this._addClass(this.uiButtonSet,"ui-dialog-buttonset"),this._createButtons()},_createButtons:function(){var s=this,t=this.options.buttons;this.uiDialogButtonPane.remove(),this.uiButtonSet.empty(),V.isEmptyObject(t)||Array.isArray(t)&&!t.length?this._removeClass(this.uiDialog,"ui-dialog-buttons"):(V.each(t,function(t,e){var i;e=V.extend({type:"button"},e="function"==typeof e?{click:e,text:t}:e),i=e.click,t={icon:e.icon,iconPosition:e.iconPosition,showLabel:e.showLabel,icons:e.icons,text:e.text},delete e.click,delete e.icon,delete e.iconPosition,delete e.showLabel,delete e.icons,"boolean"==typeof e.text&&delete e.text,V("<button></button>",e).button(t).appendTo(s.uiButtonSet).on("click",function(){i.apply(s.element[0],arguments)})}),this._addClass(this.uiDialog,"ui-dialog-buttons"),this.uiDialogButtonPane.appendTo(this.uiDialog))},_makeDraggable:function(){var n=this,o=this.options;function a(t){return{position:t.position,offset:t.offset}}this.uiDialog.draggable({cancel:".ui-dialog-content, .ui-dialog-titlebar-close",handle:".ui-dialog-titlebar",containment:"document",start:function(t,e){n._addClass(V(this),"ui-dialog-dragging"),n._blockFrames(),n._trigger("dragStart",t,a(e))},drag:function(t,e){n._trigger("drag",t,a(e))},stop:function(t,e){var i=e.offset.left-n.document.scrollLeft(),s=e.offset.top-n.document.scrollTop();o.position={my:"left top",at:"left"+(0<=i?"+":"")+i+" top"+(0<=s?"+":"")+s,of:n.window},n._removeClass(V(this),"ui-dialog-dragging"),n._unblockFrames(),n._trigger("dragStop",t,a(e))}})},_makeResizable:function(){var n=this,o=this.options,t=o.resizable,e=this.uiDialog.css("position"),t="string"==typeof t?t:"n,e,s,w,se,sw,ne,nw";function a(t){return{originalPosition:t.originalPosition,originalSize:t.originalSize,position:t.position,size:t.size}}this.uiDialog.resizable({cancel:".ui-dialog-content",containment:"document",alsoResize:this.element,maxWidth:o.maxWidth,maxHeight:o.maxHeight,minWidth:o.minWidth,minHeight:this._minHeight(),handles:t,start:function(t,e){n._addClass(V(this),"ui-dialog-resizing"),n._blockFrames(),n._trigger("resizeStart",t,a(e))},resize:function(t,e){n._trigger("resize",t,a(e))},stop:function(t,e){var i=n.uiDialog.offset(),s=i.left-n.document.scrollLeft(),i=i.top-n.document.scrollTop();o.height=n.uiDialog.height(),o.width=n.uiDialog.width(),o.position={my:"left top",at:"left"+(0<=s?"+":"")+s+" top"+(0<=i?"+":"")+i,of:n.window},n._removeClass(V(this),"ui-dialog-resizing"),n._unblockFrames(),n._trigger("resizeStop",t,a(e))}}).css("position",e)},_trackFocus:function(){this._on(this.widget(),{focusin:function(t){this._makeFocusTarget(),this._focusedElement=V(t.target)}})},_makeFocusTarget:function(){this._untrackInstance(),this._trackingInstances().unshift(this)},_untrackInstance:function(){var t=this._trackingInstances(),e=V.inArray(this,t);-1!==e&&t.splice(e,1)},_trackingInstances:function(){var t=this.document.data("ui-dialog-instances");return t||this.document.data("ui-dialog-instances",t=[]),t},_minHeight:function(){var t=this.options;return"auto"===t.height?t.minHeight:Math.min(t.minHeight,t.height)},_position:function(){var t=this.uiDialog.is(":visible");t||this.uiDialog.show(),this.uiDialog.position(this.options.position),t||this.uiDialog.hide()},_setOptions:function(t){var i=this,s=!1,n={};V.each(t,function(t,e){i._setOption(t,e),t in i.sizeRelatedOptions&&(s=!0),t in i.resizableRelatedOptions&&(n[t]=e)}),s&&(this._size(),this._position()),this.uiDialog.is(":data(ui-resizable)")&&this.uiDialog.resizable("option",n)},_setOption:function(t,e){var i,s=this.uiDialog;"disabled"!==t&&(this._super(t,e),"appendTo"===t&&this.uiDialog.appendTo(this._appendTo()),"buttons"===t&&this._createButtons(),"closeText"===t&&this.uiDialogTitlebarClose.button({label:V("<a>").text(""+this.options.closeText).html()}),"draggable"===t&&((i=s.is(":data(ui-draggable)"))&&!e&&s.draggable("destroy"),!i&&e&&this._makeDraggable()),"position"===t&&this._position(),"resizable"===t&&((i=s.is(":data(ui-resizable)"))&&!e&&s.resizable("destroy"),i&&"string"==typeof e&&s.resizable("option","handles",e),i||!1===e||this._makeResizable()),"title"===t&&this._title(this.uiDialogTitlebar.find(".ui-dialog-title")))},_size:function(){var t,e,i,s=this.options;this.element.show().css({width:"auto",minHeight:0,maxHeight:"none",height:0}),s.minWidth>s.width&&(s.width=s.minWidth),t=this.uiDialog.css({height:"auto",width:s.width}).outerHeight(),e=Math.max(0,s.minHeight-t),i="number"==typeof s.maxHeight?Math.max(0,s.maxHeight-t):"none","auto"===s.height?this.element.css({minHeight:e,maxHeight:i,height:"auto"}):this.element.height(Math.max(0,s.height-t)),this.uiDialog.is(":data(ui-resizable)")&&this.uiDialog.resizable("option","minHeight",this._minHeight())},_blockFrames:function(){this.iframeBlocks=this.document.find("iframe").map(function(){var t=V(this);return V("<div>").css({position:"absolute",width:t.outerWidth(),height:t.outerHeight()}).appendTo(t.parent()).offset(t.offset())[0]})},_unblockFrames:function(){this.iframeBlocks&&(this.iframeBlocks.remove(),delete this.iframeBlocks)},_allowInteraction:function(t){return!!V(t.target).closest(".ui-dialog").length||!!V(t.target).closest(".ui-datepicker").length},_createOverlay:function(){var i,s;this.options.modal&&(i=V.fn.jquery.substring(0,4),s=!0,this._delay(function(){s=!1}),this.document.data("ui-dialog-overlays")||this.document.on("focusin.ui-dialog",function(t){var e;s||((e=this._trackingInstances()[0])._allowInteraction(t)||(t.preventDefault(),e._focusTabbable(),"3.4."!==i&&"3.5."!==i||e._delay(e._restoreTabbableFocus)))}.bind(this)),this.overlay=V("<div>").appendTo(this._appendTo()),this._addClass(this.overlay,null,"ui-widget-overlay ui-front"),this._on(this.overlay,{mousedown:"_keepFocus"}),this.document.data("ui-dialog-overlays",(this.document.data("ui-dialog-overlays")||0)+1))},_destroyOverlay:function(){var t;this.options.modal&&this.overlay&&((t=this.document.data("ui-dialog-overlays")-1)?this.document.data("ui-dialog-overlays",t):(this.document.off("focusin.ui-dialog"),this.document.removeData("ui-dialog-overlays")),this.overlay.remove(),this.overlay=null)}}),!1!==V.uiBackCompat&&V.widget("ui.dialog",V.ui.dialog,{options:{dialogClass:""},_createWrapper:function(){this._super(),this.uiDialog.addClass(this.options.dialogClass)},_setOption:function(t,e){"dialogClass"===t&&this.uiDialog.removeClass(this.options.dialogClass).addClass(e),this._superApply(arguments)}});V.ui.dialog;function lt(t,e,i){return e<=t&&t<e+i}V.widget("ui.droppable",{version:"1.13.2",widgetEventPrefix:"drop",options:{accept:"*",addClasses:!0,greedy:!1,scope:"default",tolerance:"intersect",activate:null,deactivate:null,drop:null,out:null,over:null},_create:function(){var t,e=this.options,i=e.accept;this.isover=!1,this.isout=!0,this.accept="function"==typeof i?i:function(t){return t.is(i)},this.proportions=function(){if(!arguments.length)return t=t||{width:this.element[0].offsetWidth,height:this.element[0].offsetHeight};t=arguments[0]},this._addToManager(e.scope),e.addClasses&&this._addClass("ui-droppable")},_addToManager:function(t){V.ui.ddmanager.droppables[t]=V.ui.ddmanager.droppables[t]||[],V.ui.ddmanager.droppables[t].push(this)},_splice:function(t){for(var e=0;e<t.length;e++)t[e]===this&&t.splice(e,1)},_destroy:function(){var t=V.ui.ddmanager.droppables[this.options.scope];this._splice(t)},_setOption:function(t,e){var i;"accept"===t?this.accept="function"==typeof e?e:function(t){return t.is(e)}:"scope"===t&&(i=V.ui.ddmanager.droppables[this.options.scope],this._splice(i),this._addToManager(e)),this._super(t,e)},_activate:function(t){var e=V.ui.ddmanager.current;this._addActiveClass(),e&&this._trigger("activate",t,this.ui(e))},_deactivate:function(t){var e=V.ui.ddmanager.current;this._removeActiveClass(),e&&this._trigger("deactivate",t,this.ui(e))},_over:function(t){var e=V.ui.ddmanager.current;e&&(e.currentItem||e.element)[0]!==this.element[0]&&this.accept.call(this.element[0],e.currentItem||e.element)&&(this._addHoverClass(),this._trigger("over",t,this.ui(e)))},_out:function(t){var e=V.ui.ddmanager.current;e&&(e.currentItem||e.element)[0]!==this.element[0]&&this.accept.call(this.element[0],e.currentItem||e.element)&&(this._removeHoverClass(),this._trigger("out",t,this.ui(e)))},_drop:function(e,t){var i=t||V.ui.ddmanager.current,s=!1;return!(!i||(i.currentItem||i.element)[0]===this.element[0])&&(this.element.find(":data(ui-droppable)").not(".ui-draggable-dragging").each(function(){var t=V(this).droppable("instance");if(t.options.greedy&&!t.options.disabled&&t.options.scope===i.options.scope&&t.accept.call(t.element[0],i.currentItem||i.element)&&V.ui.intersect(i,V.extend(t,{offset:t.element.offset()}),t.options.tolerance,e))return!(s=!0)}),!s&&(!!this.accept.call(this.element[0],i.currentItem||i.element)&&(this._removeActiveClass(),this._removeHoverClass(),this._trigger("drop",e,this.ui(i)),this.element)))},ui:function(t){return{draggable:t.currentItem||t.element,helper:t.helper,position:t.position,offset:t.positionAbs}},_addHoverClass:function(){this._addClass("ui-droppable-hover")},_removeHoverClass:function(){this._removeClass("ui-droppable-hover")},_addActiveClass:function(){this._addClass("ui-droppable-active")},_removeActiveClass:function(){this._removeClass("ui-droppable-active")}}),V.ui.intersect=function(t,e,i,s){if(!e.offset)return!1;var n=(t.positionAbs||t.position.absolute).left+t.margins.left,o=(t.positionAbs||t.position.absolute).top+t.margins.top,a=n+t.helperProportions.width,r=o+t.helperProportions.height,l=e.offset.left,h=e.offset.top,c=l+e.proportions().width,u=h+e.proportions().height;switch(i){case"fit":return l<=n&&a<=c&&h<=o&&r<=u;case"intersect":return l<n+t.helperProportions.width/2&&a-t.helperProportions.width/2<c&&h<o+t.helperProportions.height/2&&r-t.helperProportions.height/2<u;case"pointer":return lt(s.pageY,h,e.proportions().height)&&lt(s.pageX,l,e.proportions().width);case"touch":return(h<=o&&o<=u||h<=r&&r<=u||o<h&&u<r)&&(l<=n&&n<=c||l<=a&&a<=c||n<l&&c<a);default:return!1}},!(V.ui.ddmanager={current:null,droppables:{default:[]},prepareOffsets:function(t,e){var i,s,n=V.ui.ddmanager.droppables[t.options.scope]||[],o=e?e.type:null,a=(t.currentItem||t.element).find(":data(ui-droppable)").addBack();t:for(i=0;i<n.length;i++)if(!(n[i].options.disabled||t&&!n[i].accept.call(n[i].element[0],t.currentItem||t.element))){for(s=0;s<a.length;s++)if(a[s]===n[i].element[0]){n[i].proportions().height=0;continue t}n[i].visible="none"!==n[i].element.css("display"),n[i].visible&&("mousedown"===o&&n[i]._activate.call(n[i],e),n[i].offset=n[i].element.offset(),n[i].proportions({width:n[i].element[0].offsetWidth,height:n[i].element[0].offsetHeight}))}},drop:function(t,e){var i=!1;return V.each((V.ui.ddmanager.droppables[t.options.scope]||[]).slice(),function(){this.options&&(!this.options.disabled&&this.visible&&V.ui.intersect(t,this,this.options.tolerance,e)&&(i=this._drop.call(this,e)||i),!this.options.disabled&&this.visible&&this.accept.call(this.element[0],t.currentItem||t.element)&&(this.isout=!0,this.isover=!1,this._deactivate.call(this,e)))}),i},dragStart:function(t,e){t.element.parentsUntil("body").on("scroll.droppable",function(){t.options.refreshPositions||V.ui.ddmanager.prepareOffsets(t,e)})},drag:function(n,o){n.options.refreshPositions&&V.ui.ddmanager.prepareOffsets(n,o),V.each(V.ui.ddmanager.droppables[n.options.scope]||[],function(){var t,e,i,s;this.options.disabled||this.greedyChild||!this.visible||(s=!(i=V.ui.intersect(n,this,this.options.tolerance,o))&&this.isover?"isout":i&&!this.isover?"isover":null)&&(this.options.greedy&&(e=this.options.scope,(i=this.element.parents(":data(ui-droppable)").filter(function(){return V(this).droppable("instance").options.scope===e})).length&&((t=V(i[0]).droppable("instance")).greedyChild="isover"===s)),t&&"isover"===s&&(t.isover=!1,t.isout=!0,t._out.call(t,o)),this[s]=!0,this["isout"===s?"isover":"isout"]=!1,this["isover"===s?"_over":"_out"].call(this,o),t&&"isout"===s&&(t.isout=!1,t.isover=!0,t._over.call(t,o)))})},dragStop:function(t,e){t.element.parentsUntil("body").off("scroll.droppable"),t.options.refreshPositions||V.ui.ddmanager.prepareOffsets(t,e)}})!==V.uiBackCompat&&V.widget("ui.droppable",V.ui.droppable,{options:{hoverClass:!1,activeClass:!1},_addActiveClass:function(){this._super(),this.options.activeClass&&this.element.addClass(this.options.activeClass)},_removeActiveClass:function(){this._super(),this.options.activeClass&&this.element.removeClass(this.options.activeClass)},_addHoverClass:function(){this._super(),this.options.hoverClass&&this.element.addClass(this.options.hoverClass)},_removeHoverClass:function(){this._super(),this.options.hoverClass&&this.element.removeClass(this.options.hoverClass)}});V.ui.droppable,V.widget("ui.progressbar",{version:"1.13.2",options:{classes:{"ui-progressbar":"ui-corner-all","ui-progressbar-value":"ui-corner-left","ui-progressbar-complete":"ui-corner-right"},max:100,value:0,change:null,complete:null},min:0,_create:function(){this.oldValue=this.options.value=this._constrainedValue(),this.element.attr({role:"progressbar","aria-valuemin":this.min}),this._addClass("ui-progressbar","ui-widget ui-widget-content"),this.valueDiv=V("<div>").appendTo(this.element),this._addClass(this.valueDiv,"ui-progressbar-value","ui-widget-header"),this._refreshValue()},_destroy:function(){this.element.removeAttr("role aria-valuemin aria-valuemax aria-valuenow"),this.valueDiv.remove()},value:function(t){if(void 0===t)return this.options.value;this.options.value=this._constrainedValue(t),this._refreshValue()},_constrainedValue:function(t){return void 0===t&&(t=this.options.value),this.indeterminate=!1===t,"number"!=typeof t&&(t=0),!this.indeterminate&&Math.min(this.options.max,Math.max(this.min,t))},_setOptions:function(t){var e=t.value;delete t.value,this._super(t),this.options.value=this._constrainedValue(e),this._refreshValue()},_setOption:function(t,e){"max"===t&&(e=Math.max(this.min,e)),this._super(t,e)},_setOptionDisabled:function(t){this._super(t),this.element.attr("aria-disabled",t),this._toggleClass(null,"ui-state-disabled",!!t)},_percentage:function(){return this.indeterminate?100:100*(this.options.value-this.min)/(this.options.max-this.min)},_refreshValue:function(){var t=this.options.value,e=this._percentage();this.valueDiv.toggle(this.indeterminate||t>this.min).width(e.toFixed(0)+"%"),this._toggleClass(this.valueDiv,"ui-progressbar-complete",null,t===this.options.max)._toggleClass("ui-progressbar-indeterminate",null,this.indeterminate),this.indeterminate?(this.element.removeAttr("aria-valuenow"),this.overlayDiv||(this.overlayDiv=V("<div>").appendTo(this.valueDiv),this._addClass(this.overlayDiv,"ui-progressbar-overlay"))):(this.element.attr({"aria-valuemax":this.options.max,"aria-valuenow":t}),this.overlayDiv&&(this.overlayDiv.remove(),this.overlayDiv=null)),this.oldValue!==t&&(this.oldValue=t,this._trigger("change")),t===this.options.max&&this._trigger("complete")}}),V.widget("ui.selectable",V.ui.mouse,{version:"1.13.2",options:{appendTo:"body",autoRefresh:!0,distance:0,filter:"*",tolerance:"touch",selected:null,selecting:null,start:null,stop:null,unselected:null,unselecting:null},_create:function(){var i=this;this._addClass("ui-selectable"),this.dragged=!1,this.refresh=function(){i.elementPos=V(i.element[0]).offset(),i.selectees=V(i.options.filter,i.element[0]),i._addClass(i.selectees,"ui-selectee"),i.selectees.each(function(){var t=V(this),e=t.offset(),e={left:e.left-i.elementPos.left,top:e.top-i.elementPos.top};V.data(this,"selectable-item",{element:this,$element:t,left:e.left,top:e.top,right:e.left+t.outerWidth(),bottom:e.top+t.outerHeight(),startselected:!1,selected:t.hasClass("ui-selected"),selecting:t.hasClass("ui-selecting"),unselecting:t.hasClass("ui-unselecting")})})},this.refresh(),this._mouseInit(),this.helper=V("<div>"),this._addClass(this.helper,"ui-selectable-helper")},_destroy:function(){this.selectees.removeData("selectable-item"),this._mouseDestroy()},_mouseStart:function(i){var s=this,t=this.options;this.opos=[i.pageX,i.pageY],this.elementPos=V(this.element[0]).offset(),this.options.disabled||(this.selectees=V(t.filter,this.element[0]),this._trigger("start",i),V(t.appendTo).append(this.helper),this.helper.css({left:i.pageX,top:i.pageY,width:0,height:0}),t.autoRefresh&&this.refresh(),this.selectees.filter(".ui-selected").each(function(){var t=V.data(this,"selectable-item");t.startselected=!0,i.metaKey||i.ctrlKey||(s._removeClass(t.$element,"ui-selected"),t.selected=!1,s._addClass(t.$element,"ui-unselecting"),t.unselecting=!0,s._trigger("unselecting",i,{unselecting:t.element}))}),V(i.target).parents().addBack().each(function(){var t,e=V.data(this,"selectable-item");if(e)return t=!i.metaKey&&!i.ctrlKey||!e.$element.hasClass("ui-selected"),s._removeClass(e.$element,t?"ui-unselecting":"ui-selected")._addClass(e.$element,t?"ui-selecting":"ui-unselecting"),e.unselecting=!t,e.selecting=t,(e.selected=t)?s._trigger("selecting",i,{selecting:e.element}):s._trigger("unselecting",i,{unselecting:e.element}),!1}))},_mouseDrag:function(s){if(this.dragged=!0,!this.options.disabled){var t,n=this,o=this.options,a=this.opos[0],r=this.opos[1],l=s.pageX,h=s.pageY;return l<a&&(t=l,l=a,a=t),h<r&&(t=h,h=r,r=t),this.helper.css({left:a,top:r,width:l-a,height:h-r}),this.selectees.each(function(){var t=V.data(this,"selectable-item"),e=!1,i={};t&&t.element!==n.element[0]&&(i.left=t.left+n.elementPos.left,i.right=t.right+n.elementPos.left,i.top=t.top+n.elementPos.top,i.bottom=t.bottom+n.elementPos.top,"touch"===o.tolerance?e=!(i.left>l||i.right<a||i.top>h||i.bottom<r):"fit"===o.tolerance&&(e=i.left>a&&i.right<l&&i.top>r&&i.bottom<h),e?(t.selected&&(n._removeClass(t.$element,"ui-selected"),t.selected=!1),t.unselecting&&(n._removeClass(t.$element,"ui-unselecting"),t.unselecting=!1),t.selecting||(n._addClass(t.$element,"ui-selecting"),t.selecting=!0,n._trigger("selecting",s,{selecting:t.element}))):(t.selecting&&((s.metaKey||s.ctrlKey)&&t.startselected?(n._removeClass(t.$element,"ui-selecting"),t.selecting=!1,n._addClass(t.$element,"ui-selected"),t.selected=!0):(n._removeClass(t.$element,"ui-selecting"),t.selecting=!1,t.startselected&&(n._addClass(t.$element,"ui-unselecting"),t.unselecting=!0),n._trigger("unselecting",s,{unselecting:t.element}))),t.selected&&(s.metaKey||s.ctrlKey||t.startselected||(n._removeClass(t.$element,"ui-selected"),t.selected=!1,n._addClass(t.$element,"ui-unselecting"),t.unselecting=!0,n._trigger("unselecting",s,{unselecting:t.element})))))}),!1}},_mouseStop:function(e){var i=this;return this.dragged=!1,V(".ui-unselecting",this.element[0]).each(function(){var t=V.data(this,"selectable-item");i._removeClass(t.$element,"ui-unselecting"),t.unselecting=!1,t.startselected=!1,i._trigger("unselected",e,{unselected:t.element})}),V(".ui-selecting",this.element[0]).each(function(){var t=V.data(this,"selectable-item");i._removeClass(t.$element,"ui-selecting")._addClass(t.$element,"ui-selected"),t.selecting=!1,t.selected=!0,t.startselected=!0,i._trigger("selected",e,{selected:t.element})}),this._trigger("stop",e),this.helper.remove(),!1}}),V.widget("ui.selectmenu",[V.ui.formResetMixin,{version:"1.13.2",defaultElement:"<select>",options:{appendTo:null,classes:{"ui-selectmenu-button-open":"ui-corner-top","ui-selectmenu-button-closed":"ui-corner-all"},disabled:null,icons:{button:"ui-icon-triangle-1-s"},position:{my:"left top",at:"left bottom",collision:"none"},width:!1,change:null,close:null,focus:null,open:null,select:null},_create:function(){var t=this.element.uniqueId().attr("id");this.ids={element:t,button:t+"-button",menu:t+"-menu"},this._drawButton(),this._drawMenu(),this._bindFormResetHandler(),this._rendered=!1,this.menuItems=V()},_drawButton:function(){var t,e=this,i=this._parseOption(this.element.find("option:selected"),this.element[0].selectedIndex);this.labels=this.element.labels().attr("for",this.ids.button),this._on(this.labels,{click:function(t){this.button.trigger("focus"),t.preventDefault()}}),this.element.hide(),this.button=V("<span>",{tabindex:this.options.disabled?-1:0,id:this.ids.button,role:"combobox","aria-expanded":"false","aria-autocomplete":"list","aria-owns":this.ids.menu,"aria-haspopup":"true",title:this.element.attr("title")}).insertAfter(this.element),this._addClass(this.button,"ui-selectmenu-button ui-selectmenu-button-closed","ui-button ui-widget"),t=V("<span>").appendTo(this.button),this._addClass(t,"ui-selectmenu-icon","ui-icon "+this.options.icons.button),this.buttonItem=this._renderButtonItem(i).appendTo(this.button),!1!==this.options.width&&this._resizeButton(),this._on(this.button,this._buttonEvents),this.button.one("focusin",function(){e._rendered||e._refreshMenu()})},_drawMenu:function(){var i=this;this.menu=V("<ul>",{"aria-hidden":"true","aria-labelledby":this.ids.button,id:this.ids.menu}),this.menuWrap=V("<div>").append(this.menu),this._addClass(this.menuWrap,"ui-selectmenu-menu","ui-front"),this.menuWrap.appendTo(this._appendTo()),this.menuInstance=this.menu.menu({classes:{"ui-menu":"ui-corner-bottom"},role:"listbox",select:function(t,e){t.preventDefault(),i._setSelection(),i._select(e.item.data("ui-selectmenu-item"),t)},focus:function(t,e){e=e.item.data("ui-selectmenu-item");null!=i.focusIndex&&e.index!==i.focusIndex&&(i._trigger("focus",t,{item:e}),i.isOpen||i._select(e,t)),i.focusIndex=e.index,i.button.attr("aria-activedescendant",i.menuItems.eq(e.index).attr("id"))}}).menu("instance"),this.menuInstance._off(this.menu,"mouseleave"),this.menuInstance._closeOnDocumentClick=function(){return!1},this.menuInstance._isDivider=function(){return!1}},refresh:function(){this._refreshMenu(),this.buttonItem.replaceWith(this.buttonItem=this._renderButtonItem(this._getSelectedItem().data("ui-selectmenu-item")||{})),null===this.options.width&&this._resizeButton()},_refreshMenu:function(){var t=this.element.find("option");this.menu.empty(),this._parseOptions(t),this._renderMenu(this.menu,this.items),this.menuInstance.refresh(),this.menuItems=this.menu.find("li").not(".ui-selectmenu-optgroup").find(".ui-menu-item-wrapper"),this._rendered=!0,t.length&&(t=this._getSelectedItem(),this.menuInstance.focus(null,t),this._setAria(t.data("ui-selectmenu-item")),this._setOption("disabled",this.element.prop("disabled")))},open:function(t){this.options.disabled||(this._rendered?(this._removeClass(this.menu.find(".ui-state-active"),null,"ui-state-active"),this.menuInstance.focus(null,this._getSelectedItem())):this._refreshMenu(),this.menuItems.length&&(this.isOpen=!0,this._toggleAttr(),this._resizeMenu(),this._position(),this._on(this.document,this._documentClick),this._trigger("open",t)))},_position:function(){this.menuWrap.position(V.extend({of:this.button},this.options.position))},close:function(t){this.isOpen&&(this.isOpen=!1,this._toggleAttr(),this.range=null,this._off(this.document),this._trigger("close",t))},widget:function(){return this.button},menuWidget:function(){return this.menu},_renderButtonItem:function(t){var e=V("<span>");return this._setText(e,t.label),this._addClass(e,"ui-selectmenu-text"),e},_renderMenu:function(s,t){var n=this,o="";V.each(t,function(t,e){var i;e.optgroup!==o&&(i=V("<li>",{text:e.optgroup}),n._addClass(i,"ui-selectmenu-optgroup","ui-menu-divider"+(e.element.parent("optgroup").prop("disabled")?" ui-state-disabled":"")),i.appendTo(s),o=e.optgroup),n._renderItemData(s,e)})},_renderItemData:function(t,e){return this._renderItem(t,e).data("ui-selectmenu-item",e)},_renderItem:function(t,e){var i=V("<li>"),s=V("<div>",{title:e.element.attr("title")});return e.disabled&&this._addClass(i,null,"ui-state-disabled"),this._setText(s,e.label),i.append(s).appendTo(t)},_setText:function(t,e){e?t.text(e):t.html("&#160;")},_move:function(t,e){var i,s=".ui-menu-item";this.isOpen?i=this.menuItems.eq(this.focusIndex).parent("li"):(i=this.menuItems.eq(this.element[0].selectedIndex).parent("li"),s+=":not(.ui-state-disabled)"),(s="first"===t||"last"===t?i["first"===t?"prevAll":"nextAll"](s).eq(-1):i[t+"All"](s).eq(0)).length&&this.menuInstance.focus(e,s)},_getSelectedItem:function(){return this.menuItems.eq(this.element[0].selectedIndex).parent("li")},_toggle:function(t){this[this.isOpen?"close":"open"](t)},_setSelection:function(){var t;this.range&&(window.getSelection?((t=window.getSelection()).removeAllRanges(),t.addRange(this.range)):this.range.select(),this.button.trigger("focus"))},_documentClick:{mousedown:function(t){this.isOpen&&(V(t.target).closest(".ui-selectmenu-menu, #"+V.escapeSelector(this.ids.button)).length||this.close(t))}},_buttonEvents:{mousedown:function(){var t;window.getSelection?(t=window.getSelection()).rangeCount&&(this.range=t.getRangeAt(0)):this.range=document.selection.createRange()},click:function(t){this._setSelection(),this._toggle(t)},keydown:function(t){var e=!0;switch(t.keyCode){case V.ui.keyCode.TAB:case V.ui.keyCode.ESCAPE:this.close(t),e=!1;break;case V.ui.keyCode.ENTER:this.isOpen&&this._selectFocusedItem(t);break;case V.ui.keyCode.UP:t.altKey?this._toggle(t):this._move("prev",t);break;case V.ui.keyCode.DOWN:t.altKey?this._toggle(t):this._move("next",t);break;case V.ui.keyCode.SPACE:this.isOpen?this._selectFocusedItem(t):this._toggle(t);break;case V.ui.keyCode.LEFT:this._move("prev",t);break;case V.ui.keyCode.RIGHT:this._move("next",t);break;case V.ui.keyCode.HOME:case V.ui.keyCode.PAGE_UP:this._move("first",t);break;case V.ui.keyCode.END:case V.ui.keyCode.PAGE_DOWN:this._move("last",t);break;default:this.menu.trigger(t),e=!1}e&&t.preventDefault()}},_selectFocusedItem:function(t){var e=this.menuItems.eq(this.focusIndex).parent("li");e.hasClass("ui-state-disabled")||this._select(e.data("ui-selectmenu-item"),t)},_select:function(t,e){var i=this.element[0].selectedIndex;this.element[0].selectedIndex=t.index,this.buttonItem.replaceWith(this.buttonItem=this._renderButtonItem(t)),this._setAria(t),this._trigger("select",e,{item:t}),t.index!==i&&this._trigger("change",e,{item:t}),this.close(e)},_setAria:function(t){t=this.menuItems.eq(t.index).attr("id");this.button.attr({"aria-labelledby":t,"aria-activedescendant":t}),this.menu.attr("aria-activedescendant",t)},_setOption:function(t,e){var i;"icons"===t&&(i=this.button.find("span.ui-icon"),this._removeClass(i,null,this.options.icons.button)._addClass(i,null,e.button)),this._super(t,e),"appendTo"===t&&this.menuWrap.appendTo(this._appendTo()),"width"===t&&this._resizeButton()},_setOptionDisabled:function(t){this._super(t),this.menuInstance.option("disabled",t),this.button.attr("aria-disabled",t),this._toggleClass(this.button,null,"ui-state-disabled",t),this.element.prop("disabled",t),t?(this.button.attr("tabindex",-1),this.close()):this.button.attr("tabindex",0)},_appendTo:function(){var t=this.options.appendTo;return t=!(t=!(t=t&&(t.jquery||t.nodeType?V(t):this.document.find(t).eq(0)))||!t[0]?this.element.closest(".ui-front, dialog"):t).length?this.document[0].body:t},_toggleAttr:function(){this.button.attr("aria-expanded",this.isOpen),this._removeClass(this.button,"ui-selectmenu-button-"+(this.isOpen?"closed":"open"))._addClass(this.button,"ui-selectmenu-button-"+(this.isOpen?"open":"closed"))._toggleClass(this.menuWrap,"ui-selectmenu-open",null,this.isOpen),this.menu.attr("aria-hidden",!this.isOpen)},_resizeButton:function(){var t=this.options.width;!1!==t?(null===t&&(t=this.element.show().outerWidth(),this.element.hide()),this.button.outerWidth(t)):this.button.css("width","")},_resizeMenu:function(){this.menu.outerWidth(Math.max(this.button.outerWidth(),this.menu.width("").outerWidth()+1))},_getCreateOptions:function(){var t=this._super();return t.disabled=this.element.prop("disabled"),t},_parseOptions:function(t){var i=this,s=[];t.each(function(t,e){e.hidden||s.push(i._parseOption(V(e),t))}),this.items=s},_parseOption:function(t,e){var i=t.parent("optgroup");return{element:t,index:e,value:t.val(),label:t.text(),optgroup:i.attr("label")||"",disabled:i.prop("disabled")||t.prop("disabled")}},_destroy:function(){this._unbindFormResetHandler(),this.menuWrap.remove(),this.button.remove(),this.element.show(),this.element.removeUniqueId(),this.labels.attr("for",this.ids.element)}}]),V.widget("ui.slider",V.ui.mouse,{version:"1.13.2",widgetEventPrefix:"slide",options:{animate:!1,classes:{"ui-slider":"ui-corner-all","ui-slider-handle":"ui-corner-all","ui-slider-range":"ui-corner-all ui-widget-header"},distance:0,max:100,min:0,orientation:"horizontal",range:!1,step:1,value:0,values:null,change:null,slide:null,start:null,stop:null},numPages:5,_create:function(){this._keySliding=!1,this._mouseSliding=!1,this._animateOff=!0,this._handleIndex=null,this._detectOrientation(),this._mouseInit(),this._calculateNewMax(),this._addClass("ui-slider ui-slider-"+this.orientation,"ui-widget ui-widget-content"),this._refresh(),this._animateOff=!1},_refresh:function(){this._createRange(),this._createHandles(),this._setupEvents(),this._refreshValue()},_createHandles:function(){var t,e=this.options,i=this.element.find(".ui-slider-handle"),s=[],n=e.values&&e.values.length||1;for(i.length>n&&(i.slice(n).remove(),i=i.slice(0,n)),t=i.length;t<n;t++)s.push("<span tabindex='0'></span>");this.handles=i.add(V(s.join("")).appendTo(this.element)),this._addClass(this.handles,"ui-slider-handle","ui-state-default"),this.handle=this.handles.eq(0),this.handles.each(function(t){V(this).data("ui-slider-handle-index",t).attr("tabIndex",0)})},_createRange:function(){var t=this.options;t.range?(!0===t.range&&(t.values?t.values.length&&2!==t.values.length?t.values=[t.values[0],t.values[0]]:Array.isArray(t.values)&&(t.values=t.values.slice(0)):t.values=[this._valueMin(),this._valueMin()]),this.range&&this.range.length?(this._removeClass(this.range,"ui-slider-range-min ui-slider-range-max"),this.range.css({left:"",bottom:""})):(this.range=V("<div>").appendTo(this.element),this._addClass(this.range,"ui-slider-range")),"min"!==t.range&&"max"!==t.range||this._addClass(this.range,"ui-slider-range-"+t.range)):(this.range&&this.range.remove(),this.range=null)},_setupEvents:function(){this._off(this.handles),this._on(this.handles,this._handleEvents),this._hoverable(this.handles),this._focusable(this.handles)},_destroy:function(){this.handles.remove(),this.range&&this.range.remove(),this._mouseDestroy()},_mouseCapture:function(t){var i,s,n,o,e,a,r=this,l=this.options;return!l.disabled&&(this.elementSize={width:this.element.outerWidth(),height:this.element.outerHeight()},this.elementOffset=this.element.offset(),a={x:t.pageX,y:t.pageY},i=this._normValueFromMouse(a),s=this._valueMax()-this._valueMin()+1,this.handles.each(function(t){var e=Math.abs(i-r.values(t));(e<s||s===e&&(t===r._lastChangedValue||r.values(t)===l.min))&&(s=e,n=V(this),o=t)}),!1!==this._start(t,o)&&(this._mouseSliding=!0,this._handleIndex=o,this._addClass(n,null,"ui-state-active"),n.trigger("focus"),e=n.offset(),a=!V(t.target).parents().addBack().is(".ui-slider-handle"),this._clickOffset=a?{left:0,top:0}:{left:t.pageX-e.left-n.width()/2,top:t.pageY-e.top-n.height()/2-(parseInt(n.css("borderTopWidth"),10)||0)-(parseInt(n.css("borderBottomWidth"),10)||0)+(parseInt(n.css("marginTop"),10)||0)},this.handles.hasClass("ui-state-hover")||this._slide(t,o,i),this._animateOff=!0))},_mouseStart:function(){return!0},_mouseDrag:function(t){var e={x:t.pageX,y:t.pageY},e=this._normValueFromMouse(e);return this._slide(t,this._handleIndex,e),!1},_mouseStop:function(t){return this._removeClass(this.handles,null,"ui-state-active"),this._mouseSliding=!1,this._stop(t,this._handleIndex),this._change(t,this._handleIndex),this._handleIndex=null,this._clickOffset=null,this._animateOff=!1},_detectOrientation:function(){this.orientation="vertical"===this.options.orientation?"vertical":"horizontal"},_normValueFromMouse:function(t){var e,t="horizontal"===this.orientation?(e=this.elementSize.width,t.x-this.elementOffset.left-(this._clickOffset?this._clickOffset.left:0)):(e=this.elementSize.height,t.y-this.elementOffset.top-(this._clickOffset?this._clickOffset.top:0)),t=t/e;return(t=1<t?1:t)<0&&(t=0),"vertical"===this.orientation&&(t=1-t),e=this._valueMax()-this._valueMin(),e=this._valueMin()+t*e,this._trimAlignValue(e)},_uiHash:function(t,e,i){var s={handle:this.handles[t],handleIndex:t,value:void 0!==e?e:this.value()};return this._hasMultipleValues()&&(s.value=void 0!==e?e:this.values(t),s.values=i||this.values()),s},_hasMultipleValues:function(){return this.options.values&&this.options.values.length},_start:function(t,e){return this._trigger("start",t,this._uiHash(e))},_slide:function(t,e,i){var s,n=this.value(),o=this.values();this._hasMultipleValues()&&(s=this.values(e?0:1),n=this.values(e),2===this.options.values.length&&!0===this.options.range&&(i=0===e?Math.min(s,i):Math.max(s,i)),o[e]=i),i!==n&&!1!==this._trigger("slide",t,this._uiHash(e,i,o))&&(this._hasMultipleValues()?this.values(e,i):this.value(i))},_stop:function(t,e){this._trigger("stop",t,this._uiHash(e))},_change:function(t,e){this._keySliding||this._mouseSliding||(this._lastChangedValue=e,this._trigger("change",t,this._uiHash(e)))},value:function(t){return arguments.length?(this.options.value=this._trimAlignValue(t),this._refreshValue(),void this._change(null,0)):this._value()},values:function(t,e){var i,s,n;if(1<arguments.length)return this.options.values[t]=this._trimAlignValue(e),this._refreshValue(),void this._change(null,t);if(!arguments.length)return this._values();if(!Array.isArray(t))return this._hasMultipleValues()?this._values(t):this.value();for(i=this.options.values,s=t,n=0;n<i.length;n+=1)i[n]=this._trimAlignValue(s[n]),this._change(null,n);this._refreshValue()},_setOption:function(t,e){var i,s=0;switch("range"===t&&!0===this.options.range&&("min"===e?(this.options.value=this._values(0),this.options.values=null):"max"===e&&(this.options.value=this._values(this.options.values.length-1),this.options.values=null)),Array.isArray(this.options.values)&&(s=this.options.values.length),this._super(t,e),t){case"orientation":this._detectOrientation(),this._removeClass("ui-slider-horizontal ui-slider-vertical")._addClass("ui-slider-"+this.orientation),this._refreshValue(),this.options.range&&this._refreshRange(e),this.handles.css("horizontal"===e?"bottom":"left","");break;case"value":this._animateOff=!0,this._refreshValue(),this._change(null,0),this._animateOff=!1;break;case"values":for(this._animateOff=!0,this._refreshValue(),i=s-1;0<=i;i--)this._change(null,i);this._animateOff=!1;break;case"step":case"min":case"max":this._animateOff=!0,this._calculateNewMax(),this._refreshValue(),this._animateOff=!1;break;case"range":this._animateOff=!0,this._refresh(),this._animateOff=!1}},_setOptionDisabled:function(t){this._super(t),this._toggleClass(null,"ui-state-disabled",!!t)},_value:function(){var t=this.options.value;return t=this._trimAlignValue(t)},_values:function(t){var e,i;if(arguments.length)return t=this.options.values[t],t=this._trimAlignValue(t);if(this._hasMultipleValues()){for(e=this.options.values.slice(),i=0;i<e.length;i+=1)e[i]=this._trimAlignValue(e[i]);return e}return[]},_trimAlignValue:function(t){if(t<=this._valueMin())return this._valueMin();if(t>=this._valueMax())return this._valueMax();var e=0<this.options.step?this.options.step:1,i=(t-this._valueMin())%e,t=t-i;return 2*Math.abs(i)>=e&&(t+=0<i?e:-e),parseFloat(t.toFixed(5))},_calculateNewMax:function(){var t=this.options.max,e=this._valueMin(),i=this.options.step;(t=Math.round((t-e)/i)*i+e)>this.options.max&&(t-=i),this.max=parseFloat(t.toFixed(this._precision()))},_precision:function(){var t=this._precisionOf(this.options.step);return t=null!==this.options.min?Math.max(t,this._precisionOf(this.options.min)):t},_precisionOf:function(t){var e=t.toString(),t=e.indexOf(".");return-1===t?0:e.length-t-1},_valueMin:function(){return this.options.min},_valueMax:function(){return this.max},_refreshRange:function(t){"vertical"===t&&this.range.css({width:"",left:""}),"horizontal"===t&&this.range.css({height:"",bottom:""})},_refreshValue:function(){var e,i,t,s,n,o=this.options.range,a=this.options,r=this,l=!this._animateOff&&a.animate,h={};this._hasMultipleValues()?this.handles.each(function(t){i=(r.values(t)-r._valueMin())/(r._valueMax()-r._valueMin())*100,h["horizontal"===r.orientation?"left":"bottom"]=i+"%",V(this).stop(1,1)[l?"animate":"css"](h,a.animate),!0===r.options.range&&("horizontal"===r.orientation?(0===t&&r.range.stop(1,1)[l?"animate":"css"]({left:i+"%"},a.animate),1===t&&r.range[l?"animate":"css"]({width:i-e+"%"},{queue:!1,duration:a.animate})):(0===t&&r.range.stop(1,1)[l?"animate":"css"]({bottom:i+"%"},a.animate),1===t&&r.range[l?"animate":"css"]({height:i-e+"%"},{queue:!1,duration:a.animate}))),e=i}):(t=this.value(),s=this._valueMin(),n=this._valueMax(),i=n!==s?(t-s)/(n-s)*100:0,h["horizontal"===this.orientation?"left":"bottom"]=i+"%",this.handle.stop(1,1)[l?"animate":"css"](h,a.animate),"min"===o&&"horizontal"===this.orientation&&this.range.stop(1,1)[l?"animate":"css"]({width:i+"%"},a.animate),"max"===o&&"horizontal"===this.orientation&&this.range.stop(1,1)[l?"animate":"css"]({width:100-i+"%"},a.animate),"min"===o&&"vertical"===this.orientation&&this.range.stop(1,1)[l?"animate":"css"]({height:i+"%"},a.animate),"max"===o&&"vertical"===this.orientation&&this.range.stop(1,1)[l?"animate":"css"]({height:100-i+"%"},a.animate))},_handleEvents:{keydown:function(t){var e,i,s,n=V(t.target).data("ui-slider-handle-index");switch(t.keyCode){case V.ui.keyCode.HOME:case V.ui.keyCode.END:case V.ui.keyCode.PAGE_UP:case V.ui.keyCode.PAGE_DOWN:case V.ui.keyCode.UP:case V.ui.keyCode.RIGHT:case V.ui.keyCode.DOWN:case V.ui.keyCode.LEFT:if(t.preventDefault(),!this._keySliding&&(this._keySliding=!0,this._addClass(V(t.target),null,"ui-state-active"),!1===this._start(t,n)))return}switch(s=this.options.step,e=i=this._hasMultipleValues()?this.values(n):this.value(),t.keyCode){case V.ui.keyCode.HOME:i=this._valueMin();break;case V.ui.keyCode.END:i=this._valueMax();break;case V.ui.keyCode.PAGE_UP:i=this._trimAlignValue(e+(this._valueMax()-this._valueMin())/this.numPages);break;case V.ui.keyCode.PAGE_DOWN:i=this._trimAlignValue(e-(this._valueMax()-this._valueMin())/this.numPages);break;case V.ui.keyCode.UP:case V.ui.keyCode.RIGHT:if(e===this._valueMax())return;i=this._trimAlignValue(e+s);break;case V.ui.keyCode.DOWN:case V.ui.keyCode.LEFT:if(e===this._valueMin())return;i=this._trimAlignValue(e-s)}this._slide(t,n,i)},keyup:function(t){var e=V(t.target).data("ui-slider-handle-index");this._keySliding&&(this._keySliding=!1,this._stop(t,e),this._change(t,e),this._removeClass(V(t.target),null,"ui-state-active"))}}}),V.widget("ui.sortable",V.ui.mouse,{version:"1.13.2",widgetEventPrefix:"sort",ready:!1,options:{appendTo:"parent",axis:!1,connectWith:!1,containment:!1,cursor:"auto",cursorAt:!1,dropOnEmpty:!0,forcePlaceholderSize:!1,forceHelperSize:!1,grid:!1,handle:!1,helper:"original",items:"> *",opacity:!1,placeholder:!1,revert:!1,scroll:!0,scrollSensitivity:20,scrollSpeed:20,scope:"default",tolerance:"intersect",zIndex:1e3,activate:null,beforeStop:null,change:null,deactivate:null,out:null,over:null,receive:null,remove:null,sort:null,start:null,stop:null,update:null},_isOverAxis:function(t,e,i){return e<=t&&t<e+i},_isFloating:function(t){return/left|right/.test(t.css("float"))||/inline|table-cell/.test(t.css("display"))},_create:function(){this.containerCache={},this._addClass("ui-sortable"),this.refresh(),this.offset=this.element.offset(),this._mouseInit(),this._setHandleClassName(),this.ready=!0},_setOption:function(t,e){this._super(t,e),"handle"===t&&this._setHandleClassName()},_setHandleClassName:function(){var t=this;this._removeClass(this.element.find(".ui-sortable-handle"),"ui-sortable-handle"),V.each(this.items,function(){t._addClass(this.instance.options.handle?this.item.find(this.instance.options.handle):this.item,"ui-sortable-handle")})},_destroy:function(){this._mouseDestroy();for(var t=this.items.length-1;0<=t;t--)this.items[t].item.removeData(this.widgetName+"-item");return this},_mouseCapture:function(t,e){var i=null,s=!1,n=this;return!this.reverting&&(!this.options.disabled&&"static"!==this.options.type&&(this._refreshItems(t),V(t.target).parents().each(function(){if(V.data(this,n.widgetName+"-item")===n)return i=V(this),!1}),!!(i=V.data(t.target,n.widgetName+"-item")===n?V(t.target):i)&&(!(this.options.handle&&!e&&(V(this.options.handle,i).find("*").addBack().each(function(){this===t.target&&(s=!0)}),!s))&&(this.currentItem=i,this._removeCurrentsFromItems(),!0))))},_mouseStart:function(t,e,i){var s,n,o=this.options;if((this.currentContainer=this).refreshPositions(),this.appendTo=V("parent"!==o.appendTo?o.appendTo:this.currentItem.parent()),this.helper=this._createHelper(t),this._cacheHelperProportions(),this._cacheMargins(),this.offset=this.currentItem.offset(),this.offset={top:this.offset.top-this.margins.top,left:this.offset.left-this.margins.left},V.extend(this.offset,{click:{left:t.pageX-this.offset.left,top:t.pageY-this.offset.top},relative:this._getRelativeOffset()}),this.helper.css("position","absolute"),this.cssPosition=this.helper.css("position"),o.cursorAt&&this._adjustOffsetFromHelper(o.cursorAt),this.domPosition={prev:this.currentItem.prev()[0],parent:this.currentItem.parent()[0]},this.helper[0]!==this.currentItem[0]&&this.currentItem.hide(),this._createPlaceholder(),this.scrollParent=this.placeholder.scrollParent(),V.extend(this.offset,{parent:this._getParentOffset()}),o.containment&&this._setContainment(),o.cursor&&"auto"!==o.cursor&&(n=this.document.find("body"),this.storedCursor=n.css("cursor"),n.css("cursor",o.cursor),this.storedStylesheet=V("<style>*{ cursor: "+o.cursor+" !important; }</style>").appendTo(n)),o.zIndex&&(this.helper.css("zIndex")&&(this._storedZIndex=this.helper.css("zIndex")),this.helper.css("zIndex",o.zIndex)),o.opacity&&(this.helper.css("opacity")&&(this._storedOpacity=this.helper.css("opacity")),this.helper.css("opacity",o.opacity)),this.scrollParent[0]!==this.document[0]&&"HTML"!==this.scrollParent[0].tagName&&(this.overflowOffset=this.scrollParent.offset()),this._trigger("start",t,this._uiHash()),this._preserveHelperProportions||this._cacheHelperProportions(),!i)for(s=this.containers.length-1;0<=s;s--)this.containers[s]._trigger("activate",t,this._uiHash(this));return V.ui.ddmanager&&(V.ui.ddmanager.current=this),V.ui.ddmanager&&!o.dropBehaviour&&V.ui.ddmanager.prepareOffsets(this,t),this.dragging=!0,this._addClass(this.helper,"ui-sortable-helper"),this.helper.parent().is(this.appendTo)||(this.helper.detach().appendTo(this.appendTo),this.offset.parent=this._getParentOffset()),this.position=this.originalPosition=this._generatePosition(t),this.originalPageX=t.pageX,this.originalPageY=t.pageY,this.lastPositionAbs=this.positionAbs=this._convertPositionTo("absolute"),this._mouseDrag(t),!0},_scroll:function(t){var e=this.options,i=!1;return this.scrollParent[0]!==this.document[0]&&"HTML"!==this.scrollParent[0].tagName?(this.overflowOffset.top+this.scrollParent[0].offsetHeight-t.pageY<e.scrollSensitivity?this.scrollParent[0].scrollTop=i=this.scrollParent[0].scrollTop+e.scrollSpeed:t.pageY-this.overflowOffset.top<e.scrollSensitivity&&(this.scrollParent[0].scrollTop=i=this.scrollParent[0].scrollTop-e.scrollSpeed),this.overflowOffset.left+this.scrollParent[0].offsetWidth-t.pageX<e.scrollSensitivity?this.scrollParent[0].scrollLeft=i=this.scrollParent[0].scrollLeft+e.scrollSpeed:t.pageX-this.overflowOffset.left<e.scrollSensitivity&&(this.scrollParent[0].scrollLeft=i=this.scrollParent[0].scrollLeft-e.scrollSpeed)):(t.pageY-this.document.scrollTop()<e.scrollSensitivity?i=this.document.scrollTop(this.document.scrollTop()-e.scrollSpeed):this.window.height()-(t.pageY-this.document.scrollTop())<e.scrollSensitivity&&(i=this.document.scrollTop(this.document.scrollTop()+e.scrollSpeed)),t.pageX-this.document.scrollLeft()<e.scrollSensitivity?i=this.document.scrollLeft(this.document.scrollLeft()-e.scrollSpeed):this.window.width()-(t.pageX-this.document.scrollLeft())<e.scrollSensitivity&&(i=this.document.scrollLeft(this.document.scrollLeft()+e.scrollSpeed))),i},_mouseDrag:function(t){var e,i,s,n,o=this.options;for(this.position=this._generatePosition(t),this.positionAbs=this._convertPositionTo("absolute"),this.options.axis&&"y"===this.options.axis||(this.helper[0].style.left=this.position.left+"px"),this.options.axis&&"x"===this.options.axis||(this.helper[0].style.top=this.position.top+"px"),o.scroll&&!1!==this._scroll(t)&&(this._refreshItemPositions(!0),V.ui.ddmanager&&!o.dropBehaviour&&V.ui.ddmanager.prepareOffsets(this,t)),this.dragDirection={vertical:this._getDragVerticalDirection(),horizontal:this._getDragHorizontalDirection()},e=this.items.length-1;0<=e;e--)if(s=(i=this.items[e]).item[0],(n=this._intersectsWithPointer(i))&&i.instance===this.currentContainer&&!(s===this.currentItem[0]||this.placeholder[1===n?"next":"prev"]()[0]===s||V.contains(this.placeholder[0],s)||"semi-dynamic"===this.options.type&&V.contains(this.element[0],s))){if(this.direction=1===n?"down":"up","pointer"!==this.options.tolerance&&!this._intersectsWithSides(i))break;this._rearrange(t,i),this._trigger("change",t,this._uiHash());break}return this._contactContainers(t),V.ui.ddmanager&&V.ui.ddmanager.drag(this,t),this._trigger("sort",t,this._uiHash()),this.lastPositionAbs=this.positionAbs,!1},_mouseStop:function(t,e){var i,s,n,o;if(t)return V.ui.ddmanager&&!this.options.dropBehaviour&&V.ui.ddmanager.drop(this,t),this.options.revert?(s=(i=this).placeholder.offset(),o={},(n=this.options.axis)&&"x"!==n||(o.left=s.left-this.offset.parent.left-this.margins.left+(this.offsetParent[0]===this.document[0].body?0:this.offsetParent[0].scrollLeft)),n&&"y"!==n||(o.top=s.top-this.offset.parent.top-this.margins.top+(this.offsetParent[0]===this.document[0].body?0:this.offsetParent[0].scrollTop)),this.reverting=!0,V(this.helper).animate(o,parseInt(this.options.revert,10)||500,function(){i._clear(t)})):this._clear(t,e),!1},cancel:function(){if(this.dragging){this._mouseUp(new V.Event("mouseup",{target:null})),"original"===this.options.helper?(this.currentItem.css(this._storedCSS),this._removeClass(this.currentItem,"ui-sortable-helper")):this.currentItem.show();for(var t=this.containers.length-1;0<=t;t--)this.containers[t]._trigger("deactivate",null,this._uiHash(this)),this.containers[t].containerCache.over&&(this.containers[t]._trigger("out",null,this._uiHash(this)),this.containers[t].containerCache.over=0)}return this.placeholder&&(this.placeholder[0].parentNode&&this.placeholder[0].parentNode.removeChild(this.placeholder[0]),"original"!==this.options.helper&&this.helper&&this.helper[0].parentNode&&this.helper.remove(),V.extend(this,{helper:null,dragging:!1,reverting:!1,_noFinalSort:null}),this.domPosition.prev?V(this.domPosition.prev).after(this.currentItem):V(this.domPosition.parent).prepend(this.currentItem)),this},serialize:function(e){var t=this._getItemsAsjQuery(e&&e.connected),i=[];return e=e||{},V(t).each(function(){var t=(V(e.item||this).attr(e.attribute||"id")||"").match(e.expression||/(.+)[\-=_](.+)/);t&&i.push((e.key||t[1]+"[]")+"="+(e.key&&e.expression?t[1]:t[2]))}),!i.length&&e.key&&i.push(e.key+"="),i.join("&")},toArray:function(t){var e=this._getItemsAsjQuery(t&&t.connected),i=[];return t=t||{},e.each(function(){i.push(V(t.item||this).attr(t.attribute||"id")||"")}),i},_intersectsWith:function(t){var e=this.positionAbs.left,i=e+this.helperProportions.width,s=this.positionAbs.top,n=s+this.helperProportions.height,o=t.left,a=o+t.width,r=t.top,l=r+t.height,h=this.offset.click.top,c=this.offset.click.left,h="x"===this.options.axis||r<s+h&&s+h<l,c="y"===this.options.axis||o<e+c&&e+c<a;return"pointer"===this.options.tolerance||this.options.forcePointerForContainers||"pointer"!==this.options.tolerance&&this.helperProportions[this.floating?"width":"height"]>t[this.floating?"width":"height"]?h&&c:o<e+this.helperProportions.width/2&&i-this.helperProportions.width/2<a&&r<s+this.helperProportions.height/2&&n-this.helperProportions.height/2<l},_intersectsWithPointer:function(t){var e="x"===this.options.axis||this._isOverAxis(this.positionAbs.top+this.offset.click.top,t.top,t.height),t="y"===this.options.axis||this._isOverAxis(this.positionAbs.left+this.offset.click.left,t.left,t.width);return!(!e||!t)&&(e=this.dragDirection.vertical,t=this.dragDirection.horizontal,this.floating?"right"===t||"down"===e?2:1:e&&("down"===e?2:1))},_intersectsWithSides:function(t){var e=this._isOverAxis(this.positionAbs.top+this.offset.click.top,t.top+t.height/2,t.height),i=this._isOverAxis(this.positionAbs.left+this.offset.click.left,t.left+t.width/2,t.width),s=this.dragDirection.vertical,t=this.dragDirection.horizontal;return this.floating&&t?"right"===t&&i||"left"===t&&!i:s&&("down"===s&&e||"up"===s&&!e)},_getDragVerticalDirection:function(){var t=this.positionAbs.top-this.lastPositionAbs.top;return 0!=t&&(0<t?"down":"up")},_getDragHorizontalDirection:function(){var t=this.positionAbs.left-this.lastPositionAbs.left;return 0!=t&&(0<t?"right":"left")},refresh:function(t){return this._refreshItems(t),this._setHandleClassName(),this.refreshPositions(),this},_connectWith:function(){var t=this.options;return t.connectWith.constructor===String?[t.connectWith]:t.connectWith},_getItemsAsjQuery:function(t){var e,i,s,n,o=[],a=[],r=this._connectWith();if(r&&t)for(e=r.length-1;0<=e;e--)for(i=(s=V(r[e],this.document[0])).length-1;0<=i;i--)(n=V.data(s[i],this.widgetFullName))&&n!==this&&!n.options.disabled&&a.push(["function"==typeof n.options.items?n.options.items.call(n.element):V(n.options.items,n.element).not(".ui-sortable-helper").not(".ui-sortable-placeholder"),n]);function l(){o.push(this)}for(a.push(["function"==typeof this.options.items?this.options.items.call(this.element,null,{options:this.options,item:this.currentItem}):V(this.options.items,this.element).not(".ui-sortable-helper").not(".ui-sortable-placeholder"),this]),e=a.length-1;0<=e;e--)a[e][0].each(l);return V(o)},_removeCurrentsFromItems:function(){var i=this.currentItem.find(":data("+this.widgetName+"-item)");this.items=V.grep(this.items,function(t){for(var e=0;e<i.length;e++)if(i[e]===t.item[0])return!1;return!0})},_refreshItems:function(t){this.items=[],this.containers=[this];var e,i,s,n,o,a,r,l,h=this.items,c=[["function"==typeof this.options.items?this.options.items.call(this.element[0],t,{item:this.currentItem}):V(this.options.items,this.element),this]],u=this._connectWith();if(u&&this.ready)for(e=u.length-1;0<=e;e--)for(i=(s=V(u[e],this.document[0])).length-1;0<=i;i--)(n=V.data(s[i],this.widgetFullName))&&n!==this&&!n.options.disabled&&(c.push(["function"==typeof n.options.items?n.options.items.call(n.element[0],t,{item:this.currentItem}):V(n.options.items,n.element),n]),this.containers.push(n));for(e=c.length-1;0<=e;e--)for(o=c[e][1],l=(a=c[e][i=0]).length;i<l;i++)(r=V(a[i])).data(this.widgetName+"-item",o),h.push({item:r,instance:o,width:0,height:0,left:0,top:0})},_refreshItemPositions:function(t){for(var e,i,s=this.items.length-1;0<=s;s--)e=this.items[s],this.currentContainer&&e.instance!==this.currentContainer&&e.item[0]!==this.currentItem[0]||(i=this.options.toleranceElement?V(this.options.toleranceElement,e.item):e.item,t||(e.width=i.outerWidth(),e.height=i.outerHeight()),i=i.offset(),e.left=i.left,e.top=i.top)},refreshPositions:function(t){var e,i;if(this.floating=!!this.items.length&&("x"===this.options.axis||this._isFloating(this.items[0].item)),this.offsetParent&&this.helper&&(this.offset.parent=this._getParentOffset()),this._refreshItemPositions(t),this.options.custom&&this.options.custom.refreshContainers)this.options.custom.refreshContainers.call(this);else for(e=this.containers.length-1;0<=e;e--)i=this.containers[e].element.offset(),this.containers[e].containerCache.left=i.left,this.containers[e].containerCache.top=i.top,this.containers[e].containerCache.width=this.containers[e].element.outerWidth(),this.containers[e].containerCache.height=this.containers[e].element.outerHeight();return this},_createPlaceholder:function(i){var s,n,o=(i=i||this).options;o.placeholder&&o.placeholder.constructor!==String||(s=o.placeholder,n=i.currentItem[0].nodeName.toLowerCase(),o.placeholder={element:function(){var t=V("<"+n+">",i.document[0]);return i._addClass(t,"ui-sortable-placeholder",s||i.currentItem[0].className)._removeClass(t,"ui-sortable-helper"),"tbody"===n?i._createTrPlaceholder(i.currentItem.find("tr").eq(0),V("<tr>",i.document[0]).appendTo(t)):"tr"===n?i._createTrPlaceholder(i.currentItem,t):"img"===n&&t.attr("src",i.currentItem.attr("src")),s||t.css("visibility","hidden"),t},update:function(t,e){s&&!o.forcePlaceholderSize||(e.height()&&(!o.forcePlaceholderSize||"tbody"!==n&&"tr"!==n)||e.height(i.currentItem.innerHeight()-parseInt(i.currentItem.css("paddingTop")||0,10)-parseInt(i.currentItem.css("paddingBottom")||0,10)),e.width()||e.width(i.currentItem.innerWidth()-parseInt(i.currentItem.css("paddingLeft")||0,10)-parseInt(i.currentItem.css("paddingRight")||0,10)))}}),i.placeholder=V(o.placeholder.element.call(i.element,i.currentItem)),i.currentItem.after(i.placeholder),o.placeholder.update(i,i.placeholder)},_createTrPlaceholder:function(t,e){var i=this;t.children().each(function(){V("<td>&#160;</td>",i.document[0]).attr("colspan",V(this).attr("colspan")||1).appendTo(e)})},_contactContainers:function(t){for(var e,i,s,n,o,a,r,l,h,c=null,u=null,d=this.containers.length-1;0<=d;d--)V.contains(this.currentItem[0],this.containers[d].element[0])||(this._intersectsWith(this.containers[d].containerCache)?c&&V.contains(this.containers[d].element[0],c.element[0])||(c=this.containers[d],u=d):this.containers[d].containerCache.over&&(this.containers[d]._trigger("out",t,this._uiHash(this)),this.containers[d].containerCache.over=0));if(c)if(1===this.containers.length)this.containers[u].containerCache.over||(this.containers[u]._trigger("over",t,this._uiHash(this)),this.containers[u].containerCache.over=1);else{for(i=1e4,s=null,n=(l=c.floating||this._isFloating(this.currentItem))?"left":"top",o=l?"width":"height",h=l?"pageX":"pageY",e=this.items.length-1;0<=e;e--)V.contains(this.containers[u].element[0],this.items[e].item[0])&&this.items[e].item[0]!==this.currentItem[0]&&(a=this.items[e].item.offset()[n],r=!1,t[h]-a>this.items[e][o]/2&&(r=!0),Math.abs(t[h]-a)<i&&(i=Math.abs(t[h]-a),s=this.items[e],this.direction=r?"up":"down"));(s||this.options.dropOnEmpty)&&(this.currentContainer!==this.containers[u]?(s?this._rearrange(t,s,null,!0):this._rearrange(t,null,this.containers[u].element,!0),this._trigger("change",t,this._uiHash()),this.containers[u]._trigger("change",t,this._uiHash(this)),this.currentContainer=this.containers[u],this.options.placeholder.update(this.currentContainer,this.placeholder),this.scrollParent=this.placeholder.scrollParent(),this.scrollParent[0]!==this.document[0]&&"HTML"!==this.scrollParent[0].tagName&&(this.overflowOffset=this.scrollParent.offset()),this.containers[u]._trigger("over",t,this._uiHash(this)),this.containers[u].containerCache.over=1):this.currentContainer.containerCache.over||(this.containers[u]._trigger("over",t,this._uiHash()),this.currentContainer.containerCache.over=1))}},_createHelper:function(t){var e=this.options,t="function"==typeof e.helper?V(e.helper.apply(this.element[0],[t,this.currentItem])):"clone"===e.helper?this.currentItem.clone():this.currentItem;return t.parents("body").length||this.appendTo[0].appendChild(t[0]),t[0]===this.currentItem[0]&&(this._storedCSS={width:this.currentItem[0].style.width,height:this.currentItem[0].style.height,position:this.currentItem.css("position"),top:this.currentItem.css("top"),left:this.currentItem.css("left")}),t[0].style.width&&!e.forceHelperSize||t.width(this.currentItem.width()),t[0].style.height&&!e.forceHelperSize||t.height(this.currentItem.height()),t},_adjustOffsetFromHelper:function(t){"string"==typeof t&&(t=t.split(" ")),"left"in(t=Array.isArray(t)?{left:+t[0],top:+t[1]||0}:t)&&(this.offset.click.left=t.left+this.margins.left),"right"in t&&(this.offset.click.left=this.helperProportions.width-t.right+this.margins.left),"top"in t&&(this.offset.click.top=t.top+this.margins.top),"bottom"in t&&(this.offset.click.top=this.helperProportions.height-t.bottom+this.margins.top)},_getParentOffset:function(){this.offsetParent=this.helper.offsetParent();var t=this.offsetParent.offset();return"absolute"===this.cssPosition&&this.scrollParent[0]!==this.document[0]&&V.contains(this.scrollParent[0],this.offsetParent[0])&&(t.left+=this.scrollParent.scrollLeft(),t.top+=this.scrollParent.scrollTop()),{top:(t=this.offsetParent[0]===this.document[0].body||this.offsetParent[0].tagName&&"html"===this.offsetParent[0].tagName.toLowerCase()&&V.ui.ie?{top:0,left:0}:t).top+(parseInt(this.offsetParent.css("borderTopWidth"),10)||0),left:t.left+(parseInt(this.offsetParent.css("borderLeftWidth"),10)||0)}},_getRelativeOffset:function(){if("relative"!==this.cssPosition)return{top:0,left:0};var t=this.currentItem.position();return{top:t.top-(parseInt(this.helper.css("top"),10)||0)+this.scrollParent.scrollTop(),left:t.left-(parseInt(this.helper.css("left"),10)||0)+this.scrollParent.scrollLeft()}},_cacheMargins:function(){this.margins={left:parseInt(this.currentItem.css("marginLeft"),10)||0,top:parseInt(this.currentItem.css("marginTop"),10)||0}},_cacheHelperProportions:function(){this.helperProportions={width:this.helper.outerWidth(),height:this.helper.outerHeight()}},_setContainment:function(){var t,e,i=this.options;"parent"===i.containment&&(i.containment=this.helper[0].parentNode),"document"!==i.containment&&"window"!==i.containment||(this.containment=[0-this.offset.relative.left-this.offset.parent.left,0-this.offset.relative.top-this.offset.parent.top,"document"===i.containment?this.document.width():this.window.width()-this.helperProportions.width-this.margins.left,("document"===i.containment?this.document.height()||document.body.parentNode.scrollHeight:this.window.height()||this.document[0].body.parentNode.scrollHeight)-this.helperProportions.height-this.margins.top]),/^(document|window|parent)$/.test(i.containment)||(t=V(i.containment)[0],e=V(i.containment).offset(),i="hidden"!==V(t).css("overflow"),this.containment=[e.left+(parseInt(V(t).css("borderLeftWidth"),10)||0)+(parseInt(V(t).css("paddingLeft"),10)||0)-this.margins.left,e.top+(parseInt(V(t).css("borderTopWidth"),10)||0)+(parseInt(V(t).css("paddingTop"),10)||0)-this.margins.top,e.left+(i?Math.max(t.scrollWidth,t.offsetWidth):t.offsetWidth)-(parseInt(V(t).css("borderLeftWidth"),10)||0)-(parseInt(V(t).css("paddingRight"),10)||0)-this.helperProportions.width-this.margins.left,e.top+(i?Math.max(t.scrollHeight,t.offsetHeight):t.offsetHeight)-(parseInt(V(t).css("borderTopWidth"),10)||0)-(parseInt(V(t).css("paddingBottom"),10)||0)-this.helperProportions.height-this.margins.top])},_convertPositionTo:function(t,e){e=e||this.position;var i="absolute"===t?1:-1,s="absolute"!==this.cssPosition||this.scrollParent[0]!==this.document[0]&&V.contains(this.scrollParent[0],this.offsetParent[0])?this.scrollParent:this.offsetParent,t=/(html|body)/i.test(s[0].tagName);return{top:e.top+this.offset.relative.top*i+this.offset.parent.top*i-("fixed"===this.cssPosition?-this.scrollParent.scrollTop():t?0:s.scrollTop())*i,left:e.left+this.offset.relative.left*i+this.offset.parent.left*i-("fixed"===this.cssPosition?-this.scrollParent.scrollLeft():t?0:s.scrollLeft())*i}},_generatePosition:function(t){var e=this.options,i=t.pageX,s=t.pageY,n="absolute"!==this.cssPosition||this.scrollParent[0]!==this.document[0]&&V.contains(this.scrollParent[0],this.offsetParent[0])?this.scrollParent:this.offsetParent,o=/(html|body)/i.test(n[0].tagName);return"relative"!==this.cssPosition||this.scrollParent[0]!==this.document[0]&&this.scrollParent[0]!==this.offsetParent[0]||(this.offset.relative=this._getRelativeOffset()),this.originalPosition&&(this.containment&&(t.pageX-this.offset.click.left<this.containment[0]&&(i=this.containment[0]+this.offset.click.left),t.pageY-this.offset.click.top<this.containment[1]&&(s=this.containment[1]+this.offset.click.top),t.pageX-this.offset.click.left>this.containment[2]&&(i=this.containment[2]+this.offset.click.left),t.pageY-this.offset.click.top>this.containment[3]&&(s=this.containment[3]+this.offset.click.top)),e.grid&&(t=this.originalPageY+Math.round((s-this.originalPageY)/e.grid[1])*e.grid[1],s=!this.containment||t-this.offset.click.top>=this.containment[1]&&t-this.offset.click.top<=this.containment[3]?t:t-this.offset.click.top>=this.containment[1]?t-e.grid[1]:t+e.grid[1],t=this.originalPageX+Math.round((i-this.originalPageX)/e.grid[0])*e.grid[0],i=!this.containment||t-this.offset.click.left>=this.containment[0]&&t-this.offset.click.left<=this.containment[2]?t:t-this.offset.click.left>=this.containment[0]?t-e.grid[0]:t+e.grid[0])),{top:s-this.offset.click.top-this.offset.relative.top-this.offset.parent.top+("fixed"===this.cssPosition?-this.scrollParent.scrollTop():o?0:n.scrollTop()),left:i-this.offset.click.left-this.offset.relative.left-this.offset.parent.left+("fixed"===this.cssPosition?-this.scrollParent.scrollLeft():o?0:n.scrollLeft())}},_rearrange:function(t,e,i,s){i?i[0].appendChild(this.placeholder[0]):e.item[0].parentNode.insertBefore(this.placeholder[0],"down"===this.direction?e.item[0]:e.item[0].nextSibling),this.counter=this.counter?++this.counter:1;var n=this.counter;this._delay(function(){n===this.counter&&this.refreshPositions(!s)})},_clear:function(t,e){this.reverting=!1;var i,s=[];if(!this._noFinalSort&&this.currentItem.parent().length&&this.placeholder.before(this.currentItem),this._noFinalSort=null,this.helper[0]===this.currentItem[0]){for(i in this._storedCSS)"auto"!==this._storedCSS[i]&&"static"!==this._storedCSS[i]||(this._storedCSS[i]="");this.currentItem.css(this._storedCSS),this._removeClass(this.currentItem,"ui-sortable-helper")}else this.currentItem.show();function n(e,i,s){return function(t){s._trigger(e,t,i._uiHash(i))}}for(this.fromOutside&&!e&&s.push(function(t){this._trigger("receive",t,this._uiHash(this.fromOutside))}),!this.fromOutside&&this.domPosition.prev===this.currentItem.prev().not(".ui-sortable-helper")[0]&&this.domPosition.parent===this.currentItem.parent()[0]||e||s.push(function(t){this._trigger("update",t,this._uiHash())}),this!==this.currentContainer&&(e||(s.push(function(t){this._trigger("remove",t,this._uiHash())}),s.push(function(e){return function(t){e._trigger("receive",t,this._uiHash(this))}}.call(this,this.currentContainer)),s.push(function(e){return function(t){e._trigger("update",t,this._uiHash(this))}}.call(this,this.currentContainer)))),i=this.containers.length-1;0<=i;i--)e||s.push(n("deactivate",this,this.containers[i])),this.containers[i].containerCache.over&&(s.push(n("out",this,this.containers[i])),this.containers[i].containerCache.over=0);if(this.storedCursor&&(this.document.find("body").css("cursor",this.storedCursor),this.storedStylesheet.remove()),this._storedOpacity&&this.helper.css("opacity",this._storedOpacity),this._storedZIndex&&this.helper.css("zIndex","auto"===this._storedZIndex?"":this._storedZIndex),this.dragging=!1,e||this._trigger("beforeStop",t,this._uiHash()),this.placeholder[0].parentNode.removeChild(this.placeholder[0]),this.cancelHelperRemoval||(this.helper[0]!==this.currentItem[0]&&this.helper.remove(),this.helper=null),!e){for(i=0;i<s.length;i++)s[i].call(this,t);this._trigger("stop",t,this._uiHash())}return this.fromOutside=!1,!this.cancelHelperRemoval},_trigger:function(){!1===V.Widget.prototype._trigger.apply(this,arguments)&&this.cancel()},_uiHash:function(t){var e=t||this;return{helper:e.helper,placeholder:e.placeholder||V([]),position:e.position,originalPosition:e.originalPosition,offset:e.positionAbs,item:e.currentItem,sender:t?t.element:null}}});function ht(e){return function(){var t=this.element.val();e.apply(this,arguments),this._refresh(),t!==this.element.val()&&this._trigger("change")}}V.widget("ui.spinner",{version:"1.13.2",defaultElement:"<input>",widgetEventPrefix:"spin",options:{classes:{"ui-spinner":"ui-corner-all","ui-spinner-down":"ui-corner-br","ui-spinner-up":"ui-corner-tr"},culture:null,icons:{down:"ui-icon-triangle-1-s",up:"ui-icon-triangle-1-n"},incremental:!0,max:null,min:null,numberFormat:null,page:10,step:1,change:null,spin:null,start:null,stop:null},_create:function(){this._setOption("max",this.options.max),this._setOption("min",this.options.min),this._setOption("step",this.options.step),""!==this.value()&&this._value(this.element.val(),!0),this._draw(),this._on(this._events),this._refresh(),this._on(this.window,{beforeunload:function(){this.element.removeAttr("autocomplete")}})},_getCreateOptions:function(){var s=this._super(),n=this.element;return V.each(["min","max","step"],function(t,e){var i=n.attr(e);null!=i&&i.length&&(s[e]=i)}),s},_events:{keydown:function(t){this._start(t)&&this._keydown(t)&&t.preventDefault()},keyup:"_stop",focus:function(){this.previous=this.element.val()},blur:function(t){this.cancelBlur?delete this.cancelBlur:(this._stop(),this._refresh(),this.previous!==this.element.val()&&this._trigger("change",t))},mousewheel:function(t,e){var i=V.ui.safeActiveElement(this.document[0]);if(this.element[0]===i&&e){if(!this.spinning&&!this._start(t))return!1;this._spin((0<e?1:-1)*this.options.step,t),clearTimeout(this.mousewheelTimer),this.mousewheelTimer=this._delay(function(){this.spinning&&this._stop(t)},100),t.preventDefault()}},"mousedown .ui-spinner-button":function(t){var e;function i(){this.element[0]===V.ui.safeActiveElement(this.document[0])||(this.element.trigger("focus"),this.previous=e,this._delay(function(){this.previous=e}))}e=this.element[0]===V.ui.safeActiveElement(this.document[0])?this.previous:this.element.val(),t.preventDefault(),i.call(this),this.cancelBlur=!0,this._delay(function(){delete this.cancelBlur,i.call(this)}),!1!==this._start(t)&&this._repeat(null,V(t.currentTarget).hasClass("ui-spinner-up")?1:-1,t)},"mouseup .ui-spinner-button":"_stop","mouseenter .ui-spinner-button":function(t){if(V(t.currentTarget).hasClass("ui-state-active"))return!1!==this._start(t)&&void this._repeat(null,V(t.currentTarget).hasClass("ui-spinner-up")?1:-1,t)},"mouseleave .ui-spinner-button":"_stop"},_enhance:function(){this.uiSpinner=this.element.attr("autocomplete","off").wrap("<span>").parent().append("<a></a><a></a>")},_draw:function(){this._enhance(),this._addClass(this.uiSpinner,"ui-spinner","ui-widget ui-widget-content"),this._addClass("ui-spinner-input"),this.element.attr("role","spinbutton"),this.buttons=this.uiSpinner.children("a").attr("tabIndex",-1).attr("aria-hidden",!0).button({classes:{"ui-button":""}}),this._removeClass(this.buttons,"ui-corner-all"),this._addClass(this.buttons.first(),"ui-spinner-button ui-spinner-up"),this._addClass(this.buttons.last(),"ui-spinner-button ui-spinner-down"),this.buttons.first().button({icon:this.options.icons.up,showLabel:!1}),this.buttons.last().button({icon:this.options.icons.down,showLabel:!1}),this.buttons.height()>Math.ceil(.5*this.uiSpinner.height())&&0<this.uiSpinner.height()&&this.uiSpinner.height(this.uiSpinner.height())},_keydown:function(t){var e=this.options,i=V.ui.keyCode;switch(t.keyCode){case i.UP:return this._repeat(null,1,t),!0;case i.DOWN:return this._repeat(null,-1,t),!0;case i.PAGE_UP:return this._repeat(null,e.page,t),!0;case i.PAGE_DOWN:return this._repeat(null,-e.page,t),!0}return!1},_start:function(t){return!(!this.spinning&&!1===this._trigger("start",t))&&(this.counter||(this.counter=1),this.spinning=!0)},_repeat:function(t,e,i){t=t||500,clearTimeout(this.timer),this.timer=this._delay(function(){this._repeat(40,e,i)},t),this._spin(e*this.options.step,i)},_spin:function(t,e){var i=this.value()||0;this.counter||(this.counter=1),i=this._adjustValue(i+t*this._increment(this.counter)),this.spinning&&!1===this._trigger("spin",e,{value:i})||(this._value(i),this.counter++)},_increment:function(t){var e=this.options.incremental;return e?"function"==typeof e?e(t):Math.floor(t*t*t/5e4-t*t/500+17*t/200+1):1},_precision:function(){var t=this._precisionOf(this.options.step);return t=null!==this.options.min?Math.max(t,this._precisionOf(this.options.min)):t},_precisionOf:function(t){var e=t.toString(),t=e.indexOf(".");return-1===t?0:e.length-t-1},_adjustValue:function(t){var e=this.options,i=null!==e.min?e.min:0,s=t-i;return t=i+Math.round(s/e.step)*e.step,t=parseFloat(t.toFixed(this._precision())),null!==e.max&&t>e.max?e.max:null!==e.min&&t<e.min?e.min:t},_stop:function(t){this.spinning&&(clearTimeout(this.timer),clearTimeout(this.mousewheelTimer),this.counter=0,this.spinning=!1,this._trigger("stop",t))},_setOption:function(t,e){var i;if("culture"===t||"numberFormat"===t)return i=this._parse(this.element.val()),this.options[t]=e,void this.element.val(this._format(i));"max"!==t&&"min"!==t&&"step"!==t||"string"==typeof e&&(e=this._parse(e)),"icons"===t&&(i=this.buttons.first().find(".ui-icon"),this._removeClass(i,null,this.options.icons.up),this._addClass(i,null,e.up),i=this.buttons.last().find(".ui-icon"),this._removeClass(i,null,this.options.icons.down),this._addClass(i,null,e.down)),this._super(t,e)},_setOptionDisabled:function(t){this._super(t),this._toggleClass(this.uiSpinner,null,"ui-state-disabled",!!t),this.element.prop("disabled",!!t),this.buttons.button(t?"disable":"enable")},_setOptions:ht(function(t){this._super(t)}),_parse:function(t){return""===(t="string"==typeof t&&""!==t?window.Globalize&&this.options.numberFormat?Globalize.parseFloat(t,10,this.options.culture):+t:t)||isNaN(t)?null:t},_format:function(t){return""===t?"":window.Globalize&&this.options.numberFormat?Globalize.format(t,this.options.numberFormat,this.options.culture):t},_refresh:function(){this.element.attr({"aria-valuemin":this.options.min,"aria-valuemax":this.options.max,"aria-valuenow":this._parse(this.element.val())})},isValid:function(){var t=this.value();return null!==t&&t===this._adjustValue(t)},_value:function(t,e){var i;""!==t&&null!==(i=this._parse(t))&&(e||(i=this._adjustValue(i)),t=this._format(i)),this.element.val(t),this._refresh()},_destroy:function(){this.element.prop("disabled",!1).removeAttr("autocomplete role aria-valuemin aria-valuemax aria-valuenow"),this.uiSpinner.replaceWith(this.element)},stepUp:ht(function(t){this._stepUp(t)}),_stepUp:function(t){this._start()&&(this._spin((t||1)*this.options.step),this._stop())},stepDown:ht(function(t){this._stepDown(t)}),_stepDown:function(t){this._start()&&(this._spin((t||1)*-this.options.step),this._stop())},pageUp:ht(function(t){this._stepUp((t||1)*this.options.page)}),pageDown:ht(function(t){this._stepDown((t||1)*this.options.page)}),value:function(t){if(!arguments.length)return this._parse(this.element.val());ht(this._value).call(this,t)},widget:function(){return this.uiSpinner}}),!1!==V.uiBackCompat&&V.widget("ui.spinner",V.ui.spinner,{_enhance:function(){this.uiSpinner=this.element.attr("autocomplete","off").wrap(this._uiSpinnerHtml()).parent().append(this._buttonHtml())},_uiSpinnerHtml:function(){return"<span>"},_buttonHtml:function(){return"<a></a><a></a>"}});var ct;V.ui.spinner;V.widget("ui.tabs",{version:"1.13.2",delay:300,options:{active:null,classes:{"ui-tabs":"ui-corner-all","ui-tabs-nav":"ui-corner-all","ui-tabs-panel":"ui-corner-bottom","ui-tabs-tab":"ui-corner-top"},collapsible:!1,event:"click",heightStyle:"content",hide:null,show:null,activate:null,beforeActivate:null,beforeLoad:null,load:null},_isLocal:(ct=/#.*$/,function(t){var e=t.href.replace(ct,""),i=location.href.replace(ct,"");try{e=decodeURIComponent(e)}catch(t){}try{i=decodeURIComponent(i)}catch(t){}return 1<t.hash.length&&e===i}),_create:function(){var e=this,t=this.options;this.running=!1,this._addClass("ui-tabs","ui-widget ui-widget-content"),this._toggleClass("ui-tabs-collapsible",null,t.collapsible),this._processTabs(),t.active=this._initialActive(),Array.isArray(t.disabled)&&(t.disabled=V.uniqueSort(t.disabled.concat(V.map(this.tabs.filter(".ui-state-disabled"),function(t){return e.tabs.index(t)}))).sort()),!1!==this.options.active&&this.anchors.length?this.active=this._findActive(t.active):this.active=V(),this._refresh(),this.active.length&&this.load(t.active)},_initialActive:function(){var i=this.options.active,t=this.options.collapsible,s=location.hash.substring(1);return null===i&&(s&&this.tabs.each(function(t,e){if(V(e).attr("aria-controls")===s)return i=t,!1}),null!==(i=null===i?this.tabs.index(this.tabs.filter(".ui-tabs-active")):i)&&-1!==i||(i=!!this.tabs.length&&0)),!1!==i&&-1===(i=this.tabs.index(this.tabs.eq(i)))&&(i=!t&&0),i=!t&&!1===i&&this.anchors.length?0:i},_getCreateEventData:function(){return{tab:this.active,panel:this.active.length?this._getPanelForTab(this.active):V()}},_tabKeydown:function(t){var e=V(V.ui.safeActiveElement(this.document[0])).closest("li"),i=this.tabs.index(e),s=!0;if(!this._handlePageNav(t)){switch(t.keyCode){case V.ui.keyCode.RIGHT:case V.ui.keyCode.DOWN:i++;break;case V.ui.keyCode.UP:case V.ui.keyCode.LEFT:s=!1,i--;break;case V.ui.keyCode.END:i=this.anchors.length-1;break;case V.ui.keyCode.HOME:i=0;break;case V.ui.keyCode.SPACE:return t.preventDefault(),clearTimeout(this.activating),void this._activate(i);case V.ui.keyCode.ENTER:return t.preventDefault(),clearTimeout(this.activating),void this._activate(i!==this.options.active&&i);default:return}t.preventDefault(),clearTimeout(this.activating),i=this._focusNextTab(i,s),t.ctrlKey||t.metaKey||(e.attr("aria-selected","false"),this.tabs.eq(i).attr("aria-selected","true"),this.activating=this._delay(function(){this.option("active",i)},this.delay))}},_panelKeydown:function(t){this._handlePageNav(t)||t.ctrlKey&&t.keyCode===V.ui.keyCode.UP&&(t.preventDefault(),this.active.trigger("focus"))},_handlePageNav:function(t){return t.altKey&&t.keyCode===V.ui.keyCode.PAGE_UP?(this._activate(this._focusNextTab(this.options.active-1,!1)),!0):t.altKey&&t.keyCode===V.ui.keyCode.PAGE_DOWN?(this._activate(this._focusNextTab(this.options.active+1,!0)),!0):void 0},_findNextTab:function(t,e){var i=this.tabs.length-1;for(;-1!==V.inArray(t=(t=i<t?0:t)<0?i:t,this.options.disabled);)t=e?t+1:t-1;return t},_focusNextTab:function(t,e){return t=this._findNextTab(t,e),this.tabs.eq(t).trigger("focus"),t},_setOption:function(t,e){"active"!==t?(this._super(t,e),"collapsible"===t&&(this._toggleClass("ui-tabs-collapsible",null,e),e||!1!==this.options.active||this._activate(0)),"event"===t&&this._setupEvents(e),"heightStyle"===t&&this._setupHeightStyle(e)):this._activate(e)},_sanitizeSelector:function(t){return t?t.replace(/[!"$%&'()*+,.\/:;<=>?@\[\]\^`{|}~]/g,"\\$&"):""},refresh:function(){var t=this.options,e=this.tablist.children(":has(a[href])");t.disabled=V.map(e.filter(".ui-state-disabled"),function(t){return e.index(t)}),this._processTabs(),!1!==t.active&&this.anchors.length?this.active.length&&!V.contains(this.tablist[0],this.active[0])?this.tabs.length===t.disabled.length?(t.active=!1,this.active=V()):this._activate(this._findNextTab(Math.max(0,t.active-1),!1)):t.active=this.tabs.index(this.active):(t.active=!1,this.active=V()),this._refresh()},_refresh:function(){this._setOptionDisabled(this.options.disabled),this._setupEvents(this.options.event),this._setupHeightStyle(this.options.heightStyle),this.tabs.not(this.active).attr({"aria-selected":"false","aria-expanded":"false",tabIndex:-1}),this.panels.not(this._getPanelForTab(this.active)).hide().attr({"aria-hidden":"true"}),this.active.length?(this.active.attr({"aria-selected":"true","aria-expanded":"true",tabIndex:0}),this._addClass(this.active,"ui-tabs-active","ui-state-active"),this._getPanelForTab(this.active).show().attr({"aria-hidden":"false"})):this.tabs.eq(0).attr("tabIndex",0)},_processTabs:function(){var l=this,t=this.tabs,e=this.anchors,i=this.panels;this.tablist=this._getList().attr("role","tablist"),this._addClass(this.tablist,"ui-tabs-nav","ui-helper-reset ui-helper-clearfix ui-widget-header"),this.tablist.on("mousedown"+this.eventNamespace,"> li",function(t){V(this).is(".ui-state-disabled")&&t.preventDefault()}).on("focus"+this.eventNamespace,".ui-tabs-anchor",function(){V(this).closest("li").is(".ui-state-disabled")&&this.blur()}),this.tabs=this.tablist.find("> li:has(a[href])").attr({role:"tab",tabIndex:-1}),this._addClass(this.tabs,"ui-tabs-tab","ui-state-default"),this.anchors=this.tabs.map(function(){return V("a",this)[0]}).attr({tabIndex:-1}),this._addClass(this.anchors,"ui-tabs-anchor"),this.panels=V(),this.anchors.each(function(t,e){var i,s,n,o=V(e).uniqueId().attr("id"),a=V(e).closest("li"),r=a.attr("aria-controls");l._isLocal(e)?(n=(i=e.hash).substring(1),s=l.element.find(l._sanitizeSelector(i))):(n=a.attr("aria-controls")||V({}).uniqueId()[0].id,(s=l.element.find(i="#"+n)).length||(s=l._createPanel(n)).insertAfter(l.panels[t-1]||l.tablist),s.attr("aria-live","polite")),s.length&&(l.panels=l.panels.add(s)),r&&a.data("ui-tabs-aria-controls",r),a.attr({"aria-controls":n,"aria-labelledby":o}),s.attr("aria-labelledby",o)}),this.panels.attr("role","tabpanel"),this._addClass(this.panels,"ui-tabs-panel","ui-widget-content"),t&&(this._off(t.not(this.tabs)),this._off(e.not(this.anchors)),this._off(i.not(this.panels)))},_getList:function(){return this.tablist||this.element.find("ol, ul").eq(0)},_createPanel:function(t){return V("<div>").attr("id",t).data("ui-tabs-destroy",!0)},_setOptionDisabled:function(t){var e,i;for(Array.isArray(t)&&(t.length?t.length===this.anchors.length&&(t=!0):t=!1),i=0;e=this.tabs[i];i++)e=V(e),!0===t||-1!==V.inArray(i,t)?(e.attr("aria-disabled","true"),this._addClass(e,null,"ui-state-disabled")):(e.removeAttr("aria-disabled"),this._removeClass(e,null,"ui-state-disabled"));this.options.disabled=t,this._toggleClass(this.widget(),this.widgetFullName+"-disabled",null,!0===t)},_setupEvents:function(t){var i={};t&&V.each(t.split(" "),function(t,e){i[e]="_eventHandler"}),this._off(this.anchors.add(this.tabs).add(this.panels)),this._on(!0,this.anchors,{click:function(t){t.preventDefault()}}),this._on(this.anchors,i),this._on(this.tabs,{keydown:"_tabKeydown"}),this._on(this.panels,{keydown:"_panelKeydown"}),this._focusable(this.tabs),this._hoverable(this.tabs)},_setupHeightStyle:function(t){var i,e=this.element.parent();"fill"===t?(i=e.height(),i-=this.element.outerHeight()-this.element.height(),this.element.siblings(":visible").each(function(){var t=V(this),e=t.css("position");"absolute"!==e&&"fixed"!==e&&(i-=t.outerHeight(!0))}),this.element.children().not(this.panels).each(function(){i-=V(this).outerHeight(!0)}),this.panels.each(function(){V(this).height(Math.max(0,i-V(this).innerHeight()+V(this).height()))}).css("overflow","auto")):"auto"===t&&(i=0,this.panels.each(function(){i=Math.max(i,V(this).height("").height())}).height(i))},_eventHandler:function(t){var e=this.options,i=this.active,s=V(t.currentTarget).closest("li"),n=s[0]===i[0],o=n&&e.collapsible,a=o?V():this._getPanelForTab(s),r=i.length?this._getPanelForTab(i):V(),i={oldTab:i,oldPanel:r,newTab:o?V():s,newPanel:a};t.preventDefault(),s.hasClass("ui-state-disabled")||s.hasClass("ui-tabs-loading")||this.running||n&&!e.collapsible||!1===this._trigger("beforeActivate",t,i)||(e.active=!o&&this.tabs.index(s),this.active=n?V():s,this.xhr&&this.xhr.abort(),r.length||a.length||V.error("jQuery UI Tabs: Mismatching fragment identifier."),a.length&&this.load(this.tabs.index(s),t),this._toggle(t,i))},_toggle:function(t,e){var i=this,s=e.newPanel,n=e.oldPanel;function o(){i.running=!1,i._trigger("activate",t,e)}function a(){i._addClass(e.newTab.closest("li"),"ui-tabs-active","ui-state-active"),s.length&&i.options.show?i._show(s,i.options.show,o):(s.show(),o())}this.running=!0,n.length&&this.options.hide?this._hide(n,this.options.hide,function(){i._removeClass(e.oldTab.closest("li"),"ui-tabs-active","ui-state-active"),a()}):(this._removeClass(e.oldTab.closest("li"),"ui-tabs-active","ui-state-active"),n.hide(),a()),n.attr("aria-hidden","true"),e.oldTab.attr({"aria-selected":"false","aria-expanded":"false"}),s.length&&n.length?e.oldTab.attr("tabIndex",-1):s.length&&this.tabs.filter(function(){return 0===V(this).attr("tabIndex")}).attr("tabIndex",-1),s.attr("aria-hidden","false"),e.newTab.attr({"aria-selected":"true","aria-expanded":"true",tabIndex:0})},_activate:function(t){var t=this._findActive(t);t[0]!==this.active[0]&&(t=(t=!t.length?this.active:t).find(".ui-tabs-anchor")[0],this._eventHandler({target:t,currentTarget:t,preventDefault:V.noop}))},_findActive:function(t){return!1===t?V():this.tabs.eq(t)},_getIndex:function(t){return t="string"==typeof t?this.anchors.index(this.anchors.filter("[href$='"+V.escapeSelector(t)+"']")):t},_destroy:function(){this.xhr&&this.xhr.abort(),this.tablist.removeAttr("role").off(this.eventNamespace),this.anchors.removeAttr("role tabIndex").removeUniqueId(),this.tabs.add(this.panels).each(function(){V.data(this,"ui-tabs-destroy")?V(this).remove():V(this).removeAttr("role tabIndex aria-live aria-busy aria-selected aria-labelledby aria-hidden aria-expanded")}),this.tabs.each(function(){var t=V(this),e=t.data("ui-tabs-aria-controls");e?t.attr("aria-controls",e).removeData("ui-tabs-aria-controls"):t.removeAttr("aria-controls")}),this.panels.show(),"content"!==this.options.heightStyle&&this.panels.css("height","")},enable:function(i){var t=this.options.disabled;!1!==t&&(t=void 0!==i&&(i=this._getIndex(i),Array.isArray(t)?V.map(t,function(t){return t!==i?t:null}):V.map(this.tabs,function(t,e){return e!==i?e:null})),this._setOptionDisabled(t))},disable:function(t){var e=this.options.disabled;if(!0!==e){if(void 0===t)e=!0;else{if(t=this._getIndex(t),-1!==V.inArray(t,e))return;e=Array.isArray(e)?V.merge([t],e).sort():[t]}this._setOptionDisabled(e)}},load:function(t,s){t=this._getIndex(t);function n(t,e){"abort"===e&&o.panels.stop(!1,!0),o._removeClass(i,"ui-tabs-loading"),a.removeAttr("aria-busy"),t===o.xhr&&delete o.xhr}var o=this,i=this.tabs.eq(t),t=i.find(".ui-tabs-anchor"),a=this._getPanelForTab(i),r={tab:i,panel:a};this._isLocal(t[0])||(this.xhr=V.ajax(this._ajaxSettings(t,s,r)),this.xhr&&"canceled"!==this.xhr.statusText&&(this._addClass(i,"ui-tabs-loading"),a.attr("aria-busy","true"),this.xhr.done(function(t,e,i){setTimeout(function(){a.html(t),o._trigger("load",s,r),n(i,e)},1)}).fail(function(t,e){setTimeout(function(){n(t,e)},1)})))},_ajaxSettings:function(t,i,s){var n=this;return{url:t.attr("href").replace(/#.*$/,""),beforeSend:function(t,e){return n._trigger("beforeLoad",i,V.extend({jqXHR:t,ajaxSettings:e},s))}}},_getPanelForTab:function(t){t=V(t).attr("aria-controls");return this.element.find(this._sanitizeSelector("#"+t))}}),!1!==V.uiBackCompat&&V.widget("ui.tabs",V.ui.tabs,{_processTabs:function(){this._superApply(arguments),this._addClass(this.tabs,"ui-tab")}});V.ui.tabs;V.widget("ui.tooltip",{version:"1.13.2",options:{classes:{"ui-tooltip":"ui-corner-all ui-widget-shadow"},content:function(){var t=V(this).attr("title");return V("<a>").text(t).html()},hide:!0,items:"[title]:not([disabled])",position:{my:"left top+15",at:"left bottom",collision:"flipfit flip"},show:!0,track:!1,close:null,open:null},_addDescribedBy:function(t,e){var i=(t.attr("aria-describedby")||"").split(/\s+/);i.push(e),t.data("ui-tooltip-id",e).attr("aria-describedby",String.prototype.trim.call(i.join(" ")))},_removeDescribedBy:function(t){var e=t.data("ui-tooltip-id"),i=(t.attr("aria-describedby")||"").split(/\s+/),e=V.inArray(e,i);-1!==e&&i.splice(e,1),t.removeData("ui-tooltip-id"),(i=String.prototype.trim.call(i.join(" ")))?t.attr("aria-describedby",i):t.removeAttr("aria-describedby")},_create:function(){this._on({mouseover:"open",focusin:"open"}),this.tooltips={},this.parents={},this.liveRegion=V("<div>").attr({role:"log","aria-live":"assertive","aria-relevant":"additions"}).appendTo(this.document[0].body),this._addClass(this.liveRegion,null,"ui-helper-hidden-accessible"),this.disabledTitles=V([])},_setOption:function(t,e){var i=this;this._super(t,e),"content"===t&&V.each(this.tooltips,function(t,e){i._updateContent(e.element)})},_setOptionDisabled:function(t){this[t?"_disable":"_enable"]()},_disable:function(){var s=this;V.each(this.tooltips,function(t,e){var i=V.Event("blur");i.target=i.currentTarget=e.element[0],s.close(i,!0)}),this.disabledTitles=this.disabledTitles.add(this.element.find(this.options.items).addBack().filter(function(){var t=V(this);if(t.is("[title]"))return t.data("ui-tooltip-title",t.attr("title")).removeAttr("title")}))},_enable:function(){this.disabledTitles.each(function(){var t=V(this);t.data("ui-tooltip-title")&&t.attr("title",t.data("ui-tooltip-title"))}),this.disabledTitles=V([])},open:function(t){var i=this,e=V(t?t.target:this.element).closest(this.options.items);e.length&&!e.data("ui-tooltip-id")&&(e.attr("title")&&e.data("ui-tooltip-title",e.attr("title")),e.data("ui-tooltip-open",!0),t&&"mouseover"===t.type&&e.parents().each(function(){var t,e=V(this);e.data("ui-tooltip-open")&&((t=V.Event("blur")).target=t.currentTarget=this,i.close(t,!0)),e.attr("title")&&(e.uniqueId(),i.parents[this.id]={element:this,title:e.attr("title")},e.attr("title",""))}),this._registerCloseHandlers(t,e),this._updateContent(e,t))},_updateContent:function(e,i){var t=this.options.content,s=this,n=i?i.type:null;if("string"==typeof t||t.nodeType||t.jquery)return this._open(i,e,t);(t=t.call(e[0],function(t){s._delay(function(){e.data("ui-tooltip-open")&&(i&&(i.type=n),this._open(i,e,t))})}))&&this._open(i,e,t)},_open:function(t,e,i){var s,n,o,a=V.extend({},this.options.position);function r(t){a.of=t,n.is(":hidden")||n.position(a)}i&&((s=this._find(e))?s.tooltip.find(".ui-tooltip-content").html(i):(e.is("[title]")&&(t&&"mouseover"===t.type?e.attr("title",""):e.removeAttr("title")),s=this._tooltip(e),n=s.tooltip,this._addDescribedBy(e,n.attr("id")),n.find(".ui-tooltip-content").html(i),this.liveRegion.children().hide(),(i=V("<div>").html(n.find(".ui-tooltip-content").html())).removeAttr("name").find("[name]").removeAttr("name"),i.removeAttr("id").find("[id]").removeAttr("id"),i.appendTo(this.liveRegion),this.options.track&&t&&/^mouse/.test(t.type)?(this._on(this.document,{mousemove:r}),r(t)):n.position(V.extend({of:e},this.options.position)),n.hide(),this._show(n,this.options.show),this.options.track&&this.options.show&&this.options.show.delay&&(o=this.delayedShow=setInterval(function(){n.is(":visible")&&(r(a.of),clearInterval(o))},13)),this._trigger("open",t,{tooltip:n})))},_registerCloseHandlers:function(t,e){var i={keyup:function(t){t.keyCode===V.ui.keyCode.ESCAPE&&((t=V.Event(t)).currentTarget=e[0],this.close(t,!0))}};e[0]!==this.element[0]&&(i.remove=function(){var t=this._find(e);t&&this._removeTooltip(t.tooltip)}),t&&"mouseover"!==t.type||(i.mouseleave="close"),t&&"focusin"!==t.type||(i.focusout="close"),this._on(!0,e,i)},close:function(t){var e,i=this,s=V(t?t.currentTarget:this.element),n=this._find(s);n?(e=n.tooltip,n.closing||(clearInterval(this.delayedShow),s.data("ui-tooltip-title")&&!s.attr("title")&&s.attr("title",s.data("ui-tooltip-title")),this._removeDescribedBy(s),n.hiding=!0,e.stop(!0),this._hide(e,this.options.hide,function(){i._removeTooltip(V(this))}),s.removeData("ui-tooltip-open"),this._off(s,"mouseleave focusout keyup"),s[0]!==this.element[0]&&this._off(s,"remove"),this._off(this.document,"mousemove"),t&&"mouseleave"===t.type&&V.each(this.parents,function(t,e){V(e.element).attr("title",e.title),delete i.parents[t]}),n.closing=!0,this._trigger("close",t,{tooltip:e}),n.hiding||(n.closing=!1))):s.removeData("ui-tooltip-open")},_tooltip:function(t){var e=V("<div>").attr("role","tooltip"),i=V("<div>").appendTo(e),s=e.uniqueId().attr("id");return this._addClass(i,"ui-tooltip-content"),this._addClass(e,"ui-tooltip","ui-widget ui-widget-content"),e.appendTo(this._appendTo(t)),this.tooltips[s]={element:t,tooltip:e}},_find:function(t){t=t.data("ui-tooltip-id");return t?this.tooltips[t]:null},_removeTooltip:function(t){clearInterval(this.delayedShow),t.remove(),delete this.tooltips[t.attr("id")]},_appendTo:function(t){t=t.closest(".ui-front, dialog");return t=!t.length?this.document[0].body:t},_destroy:function(){var s=this;V.each(this.tooltips,function(t,e){var i=V.Event("blur"),e=e.element;i.target=i.currentTarget=e[0],s.close(i,!0),V("#"+t).remove(),e.data("ui-tooltip-title")&&(e.attr("title")||e.attr("title",e.data("ui-tooltip-title")),e.removeData("ui-tooltip-title"))}),this.liveRegion.remove()}}),!1!==V.uiBackCompat&&V.widget("ui.tooltip",V.ui.tooltip,{options:{tooltipClass:null},_tooltip:function(){var t=this._superApply(arguments);return this.options.tooltipClass&&t.tooltip.addClass(this.options.tooltipClass),t}});V.ui.tooltip});
// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.

define('notebook/js/pager',[
    'jquery',
    'base/js/utils',
    'base/js/i18n',
    'jquery-ui'
], function($, utils, i18n) {
    "use strict";

    var Pager = function (pager_selector, options) {
        /**
         * Constructor
         *
         * Parameters:
         *  pager_selector: string
         *  options: dictionary
         *      Dictionary of keyword arguments.
         *          events: $(Events) instance
         */
        this.events = options.events;
        this.pager_element = $(pager_selector);
        this.pager_button_area = $('#pager-button-area');
        this._default_end_space = 100;
        this.pager_element.resizable({handles: 'n', resize: $.proxy(this._resize, this)});
        this.expanded = false;
        this.create_button_area();
        this.bind_events();
    };

    Pager.prototype.create_button_area = function(){
        var that = this;
        this.pager_button_area.append(
            $('<a>').attr('role', "button")
                    .attr('title',i18n.msg._("Open the pager in an external window"))
                    .addClass('ui-button')
                    .click(function(){that.detach();})
                    .append(
                        $('<span>').addClass("ui-icon ui-icon-extlink")
                    )
        );
        this.pager_button_area.append(
            $('<a>').attr('role', "button")
                    .attr('title',i18n.msg._("Close the pager"))
                    .addClass('ui-button')
                    .click(function(){that.collapse();})
                    .append(
                        $('<span>').addClass("ui-icon ui-icon-close")
                    )
        );
    };


    Pager.prototype.bind_events = function () {
        var that = this;

        this.pager_element.bind('collapse_pager', function (event, extrap) {
            // Animate hiding of the pager.
            var time = (extrap && extrap.duration) ? extrap.duration : 'fast';
            that.pager_element.animate({
                height: 'toggle'
            }, {
                duration: time,
                done: function() {
                    $('.end_space').css('height', that._default_end_space);
                }
            });
        });

        this.pager_element.bind('expand_pager', function (event, extrap) {
            // Clear the pager's height attr if it's set.  This allows the
            // pager to size itself according to its contents.
            that.pager_element.height('initial');

            // Animate the showing of the pager
            var time = (extrap && extrap.duration) ? extrap.duration : 'fast';
            that.pager_element.show(time, function() {
                // Explicitly set pager height once the pager has shown itself.
                // This allows the pager-contents div to use percentage sizing.
                that.pager_element.height(that.pager_element.height());
                that._resize();
                
                // HACK: Less horrible, but still horrible hack to force the
                // pager to show it's scrollbars on FireFox. ipython/ipython/#8853
                that.pager_element.css('position', 'relative');
                window.requestAnimationFrame(function() { /* Wait one frame */                    
                    that.pager_element.css('position', '');
                });
            });
        });

        this.events.on('open_with_text.Pager', function (event, payload) {
            // FIXME: support other mime types with generic mimebundle display
            // mechanism
            if (payload.data['text/html'] && payload.data['text/html'] !== "") {
                that.clear();
                that.expand();
                that.append(payload.data['text/html']);
            } else if (payload.data['text/plain'] && payload.data['text/plain'] !== "") {
                that.clear();
                that.expand();
                that.append_text(payload.data['text/plain']);
            }
        });
    };


    Pager.prototype.collapse = function (extrap) {
        if (this.expanded === true) {
            this.expanded = false;
            this.pager_element.trigger('collapse_pager', extrap);
        }
    };


    Pager.prototype.expand = function (extrap) {
        if (this.expanded !== true) {
            this.expanded = true;
            this.pager_element.trigger('expand_pager', extrap);
        }
    };


    Pager.prototype.toggle = function () {
        if (this.expanded === true) {
            this.collapse();
        } else {
            this.expand();
        }
    };


    Pager.prototype.clear = function (text) {
        this.pager_element.find(".container").empty();
    };

    Pager.prototype.detach = function(){
        var w = window.open("","_blank");
        $(w.document.head)
        .append(
                $('<link>')
                .attr('rel',"stylesheet")
                .attr('href', utils.url_path_join(utils.get_body_data('baseUrl'), "static/style/style.min.css"))
                .attr('type',"text/css")
        )
        .append(
                $('<title>').text(i18n.msg._("Jupyter Pager"))
        );
        var pager_body = $(w.document.body);
        pager_body.css('overflow','scroll');

        pager_body.append(this.pager_element.clone().children());
        w.document.close();
        this.collapse();
    };

    Pager.prototype.append_text = function (text) {
        /**
         * The only user content injected with this HTML call is escaped by
         * the fixConsole() method.
         */
        this.pager_element.find(".container").append($('<pre/>').html(utils.fixConsole(utils.fixOverwrittenChars(text))));
    };

    Pager.prototype.append = function (htm) {
        /**
         * The only user content injected with this HTML call is escaped by
         * the fixConsole() method.
         */
        this.pager_element.find(".container").append(htm);
    };


    Pager.prototype._resize = function() {
        /**
         * Update document based on pager size.
         */
        
        // Make sure the padding at the end of the notebook is large
        // enough that the user can scroll to the bottom of the 
        // notebook.
        $('.end_space').css('height', Math.max(this.pager_element.height(), this._default_end_space));
    };

    return {'Pager': Pager};
});

// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.

// Define promises for notebook events.

define('notebook/js/promises',['base/js/events', 'base/js/promises'], function(events, promises) {
    "use strict";

    // Promise to be resolved when the notebook is *initially* loaded.
    // The event may fire again if the notebook is reloaded later, but this
    // promise only tracks the initial load.
    promises.notebook_loaded = new Promise(function(resolve, reject) {
        events.one('notebook_loaded.Notebook', function() {
            resolve();
        });
        events.one('notebook_load_failed.Notebook', function() {
            reject();
        });
    });

    return promises;
});

/* ===========================================================
# bootstrap-tour - v0.9.0
# http://bootstraptour.com
# ==============================================================
# Copyright 2012-2013 Ulrich Sossou
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
*/
!function(a,b){var c,d;return d=b.document,c=function(){function c(c){this._options=a.extend({name:"tour",steps:[],container:"body",keyboard:!0,storage:b.localStorage,debug:!1,backdrop:!1,redirect:!0,orphan:!1,duration:!1,basePath:"",template:"<div class='popover'>          <div class='arrow'></div>          <h3 class='popover-title'></h3>          <div class='popover-content'></div>          <div class='popover-navigation'>            <div class='btn-group'>              <button class='btn btn-sm btn-default' data-role='prev'>&laquo; Prev</button>              <button class='btn btn-sm btn-default' data-role='next'>Next &raquo;</button>              <button class='btn btn-sm btn-default' data-role='pause-resume' data-pause-text='Pause' data-resume-text='Resume'>Pause</button>            </div>            <button class='btn btn-sm btn-default' data-role='end'>End tour</button>          </div>        </div>",afterSetState:function(){},afterGetState:function(){},afterRemoveState:function(){},onStart:function(){},onEnd:function(){},onShow:function(){},onShown:function(){},onHide:function(){},onHidden:function(){},onNext:function(){},onPrev:function(){},onPause:function(){},onResume:function(){}},c),this._force=!1,this._inited=!1,this.backdrop={overlay:null,$element:null,$background:null,backgroundShown:!1,overlayElementShown:!1}}return c.prototype.addSteps=function(a){var b,c,d;for(c=0,d=a.length;d>c;c++)b=a[c],this.addStep(b);return this},c.prototype.addStep=function(a){return this._options.steps.push(a),this},c.prototype.getStep=function(b){return null!=this._options.steps[b]?a.extend({id:"step-"+b,path:"",placement:"right",title:"",content:"<p></p>",next:b===this._options.steps.length-1?-1:b+1,prev:b-1,animation:!0,container:this._options.container,backdrop:this._options.backdrop,redirect:this._options.redirect,orphan:this._options.orphan,duration:this._options.duration,template:this._options.template,onShow:this._options.onShow,onShown:this._options.onShown,onHide:this._options.onHide,onHidden:this._options.onHidden,onNext:this._options.onNext,onPrev:this._options.onPrev,onPause:this._options.onPause,onResume:this._options.onResume},this._options.steps[b]):void 0},c.prototype.init=function(a){var b=this;return this._force=a,this.ended()?(this._debug("Tour ended, init prevented."),this):(this.setCurrentStep(),this._initMouseNavigation(),this._initKeyboardNavigation(),this._onResize(function(){return b.showStep(b._current)}),null!==this._current&&this.showStep(this._current),this._inited=!0,this)},c.prototype.start=function(a){var b;return null==a&&(a=!1),this._inited||this.init(a),null===this._current&&(b=this._makePromise(null!=this._options.onStart?this._options.onStart(this):void 0),this._callOnPromiseDone(b,this.showStep,0)),this},c.prototype.next=function(){var a;return a=this.hideStep(this._current),this._callOnPromiseDone(a,this._showNextStep)},c.prototype.prev=function(){var a;return a=this.hideStep(this._current),this._callOnPromiseDone(a,this._showPrevStep)},c.prototype.goTo=function(a){var b;return b=this.hideStep(this._current),this._callOnPromiseDone(b,this.showStep,a)},c.prototype.end=function(){var c,e,f=this;return c=function(){return a(d).off("click.tour-"+f._options.name),a(d).off("keyup.tour-"+f._options.name),a(b).off("resize.tour-"+f._options.name),f._setState("end","yes"),f._inited=!1,f._force=!1,f._clearTimer(),null!=f._options.onEnd?f._options.onEnd(f):void 0},e=this.hideStep(this._current),this._callOnPromiseDone(e,c)},c.prototype.ended=function(){return!this._force&&!!this._getState("end")},c.prototype.restart=function(){return this._removeState("current_step"),this._removeState("end"),this.setCurrentStep(0),this.start()},c.prototype.pause=function(){var a;return a=this.getStep(this._current),a&&a.duration?(this._paused=!0,this._duration-=(new Date).getTime()-this._start,b.clearTimeout(this._timer),this._debug("Paused/Stopped step "+(this._current+1)+" timer ("+this._duration+" remaining)."),null!=a.onPause?a.onPause(this,this._duration):void 0):this},c.prototype.resume=function(){var a,c=this;return a=this.getStep(this._current),a&&a.duration?(this._paused=!1,this._start=(new Date).getTime(),this._duration=this._duration||a.duration,this._timer=b.setTimeout(function(){return c._isLast()?c.next():c.end()},this._duration),this._debug("Started step "+(this._current+1)+" timer with duration "+this._duration),null!=a.onResume&&this._duration!==a.duration?a.onResume(this,this._duration):void 0):this},c.prototype.hideStep=function(b){var c,d,e,f=this;return(e=this.getStep(b))?(this._clearTimer(),d=this._makePromise(null!=e.onHide?e.onHide(this,b):void 0),c=function(){var b;return b=a(e.element),b.data("bs.popover")||b.data("popover")||(b=a("body")),b.popover("destroy"),e.reflex&&b.css("cursor","").off("click.tour-"+f._options.name),e.backdrop&&f._hideBackdrop(),null!=e.onHidden?e.onHidden(f):void 0},this._callOnPromiseDone(d,c),d):void 0},c.prototype.showStep=function(a){var b,c,e,f,g=this;return this.ended()?(this._debug("Tour ended, showStep prevented."),this):(f=this.getStep(a))?(e=a<this._current,b=this._makePromise(null!=f.onShow?f.onShow(this,a):void 0),c=function(){var b,c;if(g.setCurrentStep(a),c=function(){switch(toString.call(f.path)){case"[object Function]":return f.path();case"[object String]":return this._options.basePath+f.path;default:return f.path}}.call(g),b=[d.location.pathname,d.location.hash].join(""),g._isRedirect(c,b))return g._redirect(f,c),void 0;if(g._isOrphan(f)){if(!f.orphan)return g._debug("Skip the orphan step "+(g._current+1)+". Orphan option is false and the element doesn't exist or is hidden."),e?g._showPrevStep():g._showNextStep(),void 0;g._debug("Show the orphan step "+(g._current+1)+". Orphans option is true.")}return f.backdrop&&g._showBackdrop(g._isOrphan(f)?void 0:f.element),g._scrollIntoView(f.element,function(){return null!=f.element&&f.backdrop&&g._showOverlayElement(f.element),g._showPopover(f,a),null!=f.onShown&&f.onShown(g),g._debug("Step "+(g._current+1)+" of "+g._options.steps.length)}),f.duration?g.resume():void 0},this._callOnPromiseDone(b,c),b):void 0},c.prototype.getCurrentStep=function(){return this._current},c.prototype.setCurrentStep=function(a){return null!=a?(this._current=a,this._setState("current_step",a)):(this._current=this._getState("current_step"),this._current=null===this._current?null:parseInt(this._current,10)),this},c.prototype._setState=function(a,b){var c,d;if(this._options.storage){d=""+this._options.name+"_"+a;try{this._options.storage.setItem(d,b)}catch(e){c=e,c.code===DOMException.QUOTA_EXCEEDED_ERR&&this.debug("LocalStorage quota exceeded. State storage failed.")}return this._options.afterSetState(d,b)}return null==this._state&&(this._state={}),this._state[a]=b},c.prototype._removeState=function(a){var b;return this._options.storage?(b=""+this._options.name+"_"+a,this._options.storage.removeItem(b),this._options.afterRemoveState(b)):null!=this._state?delete this._state[a]:void 0},c.prototype._getState=function(a){var b,c;return this._options.storage?(b=""+this._options.name+"_"+a,c=this._options.storage.getItem(b)):null!=this._state&&(c=this._state[a]),(void 0===c||"null"===c)&&(c=null),this._options.afterGetState(a,c),c},c.prototype._showNextStep=function(){var a,b,c,d=this;return c=this.getStep(this._current),b=function(){return d.showStep(c.next)},a=this._makePromise(null!=c.onNext?c.onNext(this):void 0),this._callOnPromiseDone(a,b)},c.prototype._showPrevStep=function(){var a,b,c,d=this;return c=this.getStep(this._current),b=function(){return d.showStep(c.prev)},a=this._makePromise(null!=c.onPrev?c.onPrev(this):void 0),this._callOnPromiseDone(a,b)},c.prototype._debug=function(a){return this._options.debug?b.console.log("Bootstrap Tour '"+this._options.name+"' | "+a):void 0},c.prototype._isRedirect=function(a,b){return null!=a&&""!==a&&("[object RegExp]"===toString.call(a)&&!a.test(b)||"[object String]"===toString.call(a)&&a.replace(/\?.*$/,"").replace(/\/?$/,"")!==b.replace(/\/?$/,""))},c.prototype._redirect=function(b,c){return a.isFunction(b.redirect)?b.redirect.call(this,c):b.redirect===!0?(this._debug("Redirect to "+c),d.location.href=c):void 0},c.prototype._isOrphan=function(b){return null==b.element||!a(b.element).length||a(b.element).is(":hidden")&&"http://www.w3.org/2000/svg"!==a(b.element)[0].namespaceURI},c.prototype._isLast=function(){return this._current<this._options.steps.length-1},c.prototype._showPopover=function(b,c){var d,e,f,g,h,i,j=this;return i=a.extend({},this._options),f=a.isFunction(b.template)?a(b.template(c,b)):a(b.template),e=f.find(".popover-navigation"),h=this._isOrphan(b),h&&(b.element="body",b.placement="top",f=f.addClass("orphan")),d=a(b.element),f.addClass("tour-"+this._options.name+" tour-"+this._options.name+"-"+c),b.options&&a.extend(i,b.options),b.reflex&&d.css("cursor","pointer").on("click.tour-"+this._options.name,function(){return j._isLast()?j.next():j.end()}),b.prev<0&&e.find("[data-role='prev']").addClass("disabled"),b.next<0&&e.find("[data-role='next']").addClass("disabled"),b.duration||e.find("[data-role='pause-resume']").remove(),b.template=f.clone().wrap("<div>").parent().html(),d.popover({placement:b.placement,trigger:"manual",title:b.title,content:b.content,html:!0,animation:b.animation,container:b.container,template:b.template,selector:b.element}).popover("show"),g=d.data("bs.popover")?d.data("bs.popover").tip():d.data("popover").tip(),g.attr("id",b.id),this._reposition(g,b),h?this._center(g):void 0},c.prototype._reposition=function(b,c){var e,f,g,h,i,j,k;if(h=b[0].offsetWidth,f=b[0].offsetHeight,k=b.offset(),i=k.left,j=k.top,e=a(d).outerHeight()-k.top-b.outerHeight(),0>e&&(k.top=k.top+e),g=a("html").outerWidth()-k.left-b.outerWidth(),0>g&&(k.left=k.left+g),k.top<0&&(k.top=0),k.left<0&&(k.left=0),b.offset(k),"bottom"===c.placement||"top"===c.placement){if(i!==k.left)return this._replaceArrow(b,2*(k.left-i),h,"left")}else if(j!==k.top)return this._replaceArrow(b,2*(k.top-j),f,"top")},c.prototype._center=function(c){return c.css("top",a(b).outerHeight()/2-c.outerHeight()/2)},c.prototype._replaceArrow=function(a,b,c,d){return a.find(".arrow").css(d,b?50*(1-b/c)+"%":"")},c.prototype._scrollIntoView=function(c,d){var e,f,g,h,i,j,k=this;return e=a(c),e.length?(f=a(b),h=e.offset().top,j=f.height(),i=Math.max(0,h-j/2),this._debug("Scroll into view. ScrollTop: "+i+". Element offset: "+h+". Window height: "+j+"."),g=0,a("body,html").stop(!0,!0).animate({scrollTop:Math.ceil(i)},function(){return 2===++g?(d(),k._debug("Scroll into view. Animation end element offset: "+e.offset().top+". Window height: "+f.height()+".")):void 0})):d()},c.prototype._onResize=function(c,d){return a(b).on("resize.tour-"+this._options.name,function(){return clearTimeout(d),d=setTimeout(c,100)})},c.prototype._initMouseNavigation=function(){var b=this;return b=this,a(d).off("click.tour-"+this._options.name,".popover.tour-"+this._options.name+" *[data-role='prev']:not(.disabled)").off("click.tour-"+this._options.name,".popover.tour-"+this._options.name+" *[data-role='next']:not(.disabled)").off("click.tour-"+this._options.name,".popover.tour-"+this._options.name+" *[data-role='end']").off("click.tour-"+this._options.name,".popover.tour-"+this._options.name+" *[data-role='pause-resume']").on("click.tour-"+this._options.name,".popover.tour-"+this._options.name+" *[data-role='next']:not(.disabled)",function(a){return a.preventDefault(),b.next()}).on("click.tour-"+this._options.name,".popover.tour-"+this._options.name+" *[data-role='prev']:not(.disabled)",function(a){return a.preventDefault(),b.prev()}).on("click.tour-"+this._options.name,".popover.tour-"+this._options.name+" *[data-role='end']",function(a){return a.preventDefault(),b.end()}).on("click.tour-"+this._options.name,".popover.tour-"+this._options.name+" *[data-role='pause-resume']",function(c){var d;return c.preventDefault(),d=a(this),d.text(b._paused?d.data("pause-text"):d.data("resume-text")),b._paused?b.resume():b.pause()})},c.prototype._initKeyboardNavigation=function(){var b=this;if(this._options.keyboard)return a(d).on("keyup.tour-"+this._options.name,function(a){if(a.which)switch(a.which){case 39:return a.preventDefault(),b._isLast()?b.next():b.end();case 37:if(a.preventDefault(),b._current>0)return b.prev();break;case 27:return a.preventDefault(),b.end()}})},c.prototype._makePromise=function(b){return b&&a.isFunction(b.then)?b:null},c.prototype._callOnPromiseDone=function(a,b,c){var d=this;return a?a.then(function(){return b.call(d,c)}):b.call(this,c)},c.prototype._showBackdrop=function(){return this.backdrop.backgroundShown?void 0:(this.backdrop=a("<div/>",{"class":"tour-backdrop"}),this.backdrop.backgroundShown=!0,a("body").append(this.backdrop))},c.prototype._hideBackdrop=function(){return this._hideOverlayElement(),this._hideBackground()},c.prototype._hideBackground=function(){return this.backdrop.remove(),this.backdrop.overlay=null,this.backdrop.backgroundShown=!1},c.prototype._showOverlayElement=function(b){var c,d,e;return d=a(b),d&&0!==d.length&&!this.backdrop.overlayElementShown?(this.backdrop.overlayElementShown=!0,c=a("<div/>"),e=d.offset(),e.top=e.top,e.left=e.left,c.width(d.innerWidth()).height(d.innerHeight()).addClass("tour-step-background").offset(e),d.addClass("tour-step-backdrop"),a("body").append(c),this.backdrop.$element=d,this.backdrop.$background=c):void 0},c.prototype._hideOverlayElement=function(){return this.backdrop.overlayElementShown?(this.backdrop.$element.removeClass("tour-step-backdrop"),this.backdrop.$background.remove(),this.backdrop.$element=null,this.backdrop.$background=null,this.backdrop.overlayElementShown=!1):void 0},c.prototype._clearTimer=function(){return b.clearTimeout(this._timer),this._timer=null,this._duration=null},c}(),b.Tour=c}(jQuery,window);
define("bootstraptour", ["bootstrap"], (function (global) {
    return function () {
        var ret, fn;
        return ret || global.Tour;
    };
}(this)));

// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.

define('notebook/js/tour',['jquery', 'bootstraptour', 'base/js/i18n'], function($, Tour, i18n) {
    "use strict";

    var tour_style = "<div class='popover tour'>\n" +
        "<div class='arrow'></div>\n" +
        "<div style='position:absolute; top:7px; right:7px'>\n" +
            "<button class='btn btn-default btn-sm fa fa-times' data-role='end'></button>\n" +
        "</div><h3 class='popover-title'></h3>\n" +
        "<div class='popover-content'></div>\n" +
        "<div class='popover-navigation'>\n" +
            "<button class='btn btn-default fa fa-step-backward' data-role='prev'></button>\n" +
            "<button class='btn btn-default fa fa-step-forward pull-right' data-role='next'></button>\n" +
            "<button id='tour-pause' class='btn btn-sm btn-default fa fa-pause' data-resume-text='' data-pause-text='' data-role='pause-resume'></button>\n" +
        "</div>\n" +
    "</div>";

    var NotebookTour = function (notebook, events) {
        var that = this;
        this.notebook = notebook;
        this.step_duration = 0;
        this.events = events;
        this.tour_steps = [
            { 
                title: i18n.msg._("Welcome to the Notebook Tour"),
                placement: 'bottom',
                orphan: true,
                content: i18n.msg._("You can use the left and right arrow keys to go backwards and forwards.")
            }, {
                element: "#notebook_name",
                title: i18n.msg._("Filename"),
                placement: 'bottom',
                content: i18n.msg._("Click here to change the filename for this notebook.")
            }, {
                element: $("#menus").parent(),
                placement: 'bottom',
                title: i18n.msg._("Notebook Menubar"),
                content: i18n.msg._("The menubar has menus for actions on the notebook, its cells, and the kernel it communicates with.")
            }, {
                element: "#maintoolbar",
                placement: 'bottom',
                title: i18n.msg._("Notebook Toolbar"),
                content: i18n.msg._("The toolbar has buttons for the most common actions. Hover your mouse over each button for more information.")
            }, {
                element: "#modal_indicator",
                title: i18n.msg._("Mode Indicator"),
                placement: 'bottom',
                content: i18n.msg._("The Notebook has two modes: Edit Mode and Command Mode. In this area, an indicator can appear to tell you which mode you are in."),
                onShow: function(tour) { that.command_icon_hack(); }
            }, {
                element: "#modal_indicator",
                title: i18n.msg._("Command Mode"),
                placement: 'bottom',
                onShow: function(tour) { notebook.command_mode(); that.command_icon_hack(); },
                onNext: function(tour) { that.edit_mode(); },
                content: i18n.msg._("Right now you are in Command Mode, and many keyboard shortcuts are available. In this mode, no icon is displayed in the indicator area.")
            }, {
                element: "#modal_indicator",
                title: i18n.msg._("Edit Mode"),
                placement: 'bottom',
                onShow: function(tour) { that.edit_mode(); },
                content: i18n.msg._("Pressing <code>Enter</code> or clicking in the input text area of the cell switches to Edit Mode.")
            }, {
                element: '.selected',
                title: i18n.msg._("Edit Mode"),
                placement: 'bottom',
                onShow: function(tour) { that.edit_mode(); },
                content: i18n.msg._("Notice that the border around the currently active cell changed color. Typing will insert text into the currently active cell.")
            }, {
                element: '.selected',
                title: i18n.msg._("Back to Command Mode"),
                placement: 'bottom',
                onShow: function(tour) { notebook.command_mode(); },
                content: i18n.msg._("Pressing <code>Esc</code> or clicking outside of the input text area takes you back to Command Mode.")
            }, {
                element: '#keyboard_shortcuts',
                title: i18n.msg._("Keyboard Shortcuts"),
                placement: 'bottom',
                onShow: function(tour) {
                    /** need to add `open` and `pulse` classes in 2 calls */
                    $('#help_menu').parent().addClass('open');
                    $('#help_menu').parent().addClass('pulse');
                    $('#keyboard_shortcuts').addClass('pulse');
                  },
                onHide: function(tour) { 
                    $('#help_menu').parent().removeClass('open pulse');
                    $('#keyboard_shortcuts').removeClass('pulse');
                  },
                content: i18n.msg._("You can click here to get a list of all of the keyboard shortcuts.")
            }, {
                element: "#kernel_indicator_icon",
                title: i18n.msg._("Kernel Indicator"),
                placement: 'bottom',
                onShow: function(tour) { events.trigger('kernel_idle.Kernel');},
                content: i18n.msg._("This is the Kernel indicator. It looks like this when the Kernel is idle.")
            }, {
                element: "#kernel_indicator_icon",
                title: i18n.msg._("Kernel Indicator"),
                placement: 'bottom',
                onShow: function(tour) { events.trigger('kernel_busy.Kernel'); },
                content: i18n.msg._("The Kernel indicator looks like this when the Kernel is busy.")
            }, {
                element: ".fa-stop",
                placement: 'bottom',
                title: i18n.msg._("Interrupting the Kernel"),
                onHide: function(tour) { events.trigger('kernel_idle.Kernel'); },
                content: i18n.msg._("To cancel a computation in progress, you can click here.")
            }, {
                element: "#notification_kernel",
                placement: 'bottom',
                onShow: function(tour) { $('.fa-stop').click(); },
                title: i18n.msg._("Notification Area"),
                content: i18n.msg._("Messages in response to user actions (Save, Interrupt, etc.) appear here.")
            }, {
                title: i18n.msg._("End of Tour"),
                placement: 'bottom',
                orphan: true,
                content: i18n.msg._("This concludes the Jupyter Notebook User Interface Tour.")
            }
        ];

        this.tour = new Tour({
            storage: false, // start tour from beginning every time
            debug: true,
            reflex: true, // click on element to continue tour
            animation: false,
            duration: this.step_duration,
            onStart: function() { console.log('tour started'); },
            // TODO: remove the onPause/onResume logic once pi's patch has been
            // merged upstream to make this work via data-resume-class and 
            // data-resume-text attributes.
            onPause: this.toggle_pause_play,
            onResume: this.toggle_pause_play,
            steps: this.tour_steps,
            template: tour_style,
            orphan: true
        });
        
    };

    NotebookTour.prototype.start = function () {
        console.log("let's start the tour");
        this.tour.init();
        this.tour.start();
        if (this.tour.ended())
        {
            this.tour.restart();
        }
    };

    NotebookTour.prototype.command_icon_hack =  function() {
        $('#modal_indicator').css('min-height', '18px');
    };
    
    NotebookTour.prototype.toggle_pause_play = function () { 
        $('#tour-pause').toggleClass('fa-pause fa-play'); 
    };
    
    NotebookTour.prototype.edit_mode = function() { 
        this.notebook.focus_cell(); 
        this.notebook.edit_mode();
    };

    return {'Tour': NotebookTour};

});


// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.

define('notebook/js/menubar',[
    'jquery',
    'base/js/namespace',
    'base/js/dialog',
    'base/js/utils',
    'base/js/i18n',
    'notebook/js/quickhelp',
    './celltoolbar',
    './tour',
    'moment',
], function($, IPython, dialog, utils, i18n, quickhelp, celltoolbar, tour, moment) {
    "use strict";

    var MenuBar = function (selector, options) {
        /**
         * Constructor
         *
         * A MenuBar Class to generate the menubar of Jupyter notebook
         *
         * Parameters:
         *  selector: string
         *  options: dictionary
         *      Dictionary of keyword arguments.
         *          notebook: Notebook instance
         *          render keyboard shortcuts from KeyboardManager
         *          contents: ContentManager instance
         *          events: $(Events) instance
         *          save_widget: SaveWidget instance
         *          quick_help: QuickHelp instance
         *          base_url : string
         *          notebook_path : string
         *          notebook_name : string
         *          config: ConfigSection instance
         */
        options = options || {};
        this.nbclassic_path = options.nbclassic_path;
        this.base_url = options.base_url || utils.get_body_data("baseUrl");
        this.selector = selector;
        this.notebook = options.notebook;
        this.keyboard_manager = this.notebook.keyboard_manager;
        this.actions = this.keyboard_manager.actions;
        this.contents = options.contents;
        this.events = options.events;
        this.save_widget = options.save_widget;
        this.quick_help = options.quick_help;
        this.actions = options.actions;
        this.config = options.config;

        try {
            this.tour = new tour.Tour(this.notebook, this.events);
        } catch (e) {
            this.tour = undefined;
            console.log("Failed to instantiate Notebook Tour", e);
        }

        if (this.selector !== undefined) {
            this.element = $(selector);
            this.style();
            this.add_bundler_items();
            this.bind_events();
        }
    };

    // TODO: This has definitively nothing to do with style ...
    MenuBar.prototype.style = function () {
        var that = this;
        this.element.find("li").click(function (event, ui) {
                // The selected cell loses focus when the menu is entered, so we
                // re-select it upon selection.
                var i = that.notebook.get_selected_index();
                that.notebook.select(i, false);
            }
        );
    };
    
    MenuBar.prototype.add_bundler_items = function() {
        var that = this;
        this.config.loaded.then(function() {
            var bundlers = that.config.data.bundlerextensions;
            if(bundlers) {
                // Stable sort the keys to ensure menu items don't hop around
                var ids = Object.keys(bundlers).sort()
                ids.forEach(function(bundler_id) {
                    var bundler = bundlers[bundler_id];
                    var group = that.element.find('#'+bundler.group+'_menu')
                    
                    // Validate menu item metadata
                    if(!group.length) {
                        console.warn('unknown group', bundler.group, 'for bundler ID', bundler_id, '; skipping');
                        return;
                    } else if(!bundler.label) {
                        console.warn('no label for bundler ID', bundler_id, '; skipping');
                        return;
                    }
                    
                    // Insert menu item into correct group, click handler
                    group.parent().removeClass('hidden');
                    var $li = $('<li>')
                        .appendTo(group);
                    $('<a>')
                        .attr('href', '#')
                        .text(bundler.label)
                        .appendTo($li)
                        .on('click', that._bundle.bind(that, bundler_id))
                        .appendTo($li);
                });
            }
        });
    };

    MenuBar.prototype._new_window = function(url) {
        var w = window.open('', IPython._target);
        if (this.notebook.dirty && this.notebook.writable) {
            this.notebook.save_notebook().then(function() {
                w.location = url;
            });
        } else {
            w.location = url;
        }
    };
    
    MenuBar.prototype._bundle = function(bundler_id) {
        // Read notebook path and base url here in case they change
        var notebook_path = utils.encode_uri_components(this.notebook.notebook_path);
        var url = utils.url_path_join(
            this.base_url,
            'bundle',
            notebook_path
        ) + '?bundler=' + utils.encode_uri_components(bundler_id);

        this._new_window(url);
    };

    MenuBar.prototype._nbconvert = function (format, download) {
        download = download || false;
        var notebook_path = utils.encode_uri_components(this.notebook.notebook_path);
        var url = utils.url_path_join(
            this.base_url,
            'nbconvert',
            format,
            notebook_path
        ) + "?download=" + download.toString();
        
        this._new_window(url);
    };

    MenuBar.prototype._size_header = function() {
        /** 
         * Update header spacer size.
         */
        console.warn('`_size_header` is deprecated and will be removed in future versions.'+
                     ' Please trigger the `resize-header.Page` manually if you rely on it.');
        this.events.trigger('resize-header.Page');
    };

    (function($){
        $(document).ready(function(){
            $('ul.dropdown-menu [data-toggle=dropdown]').on('click', function(event) {
                event.preventDefault(); 
                event.stopPropagation(); 
                $(this).parent().siblings().removeClass('open');
                $(this).parent().toggleClass('open');
            });
        });
    })(jQuery);

    MenuBar.prototype.bind_events = function () {
        /**
         *  File
         */
        var that = this;
        

        this.element.find('#open_notebook').click(function () {
            var parent = utils.url_path_split(that.notebook.notebook_path)[0];
            window.open(
                utils.url_path_join(
                    that.base_url, that.nbclassic_path, 'tree',
                    utils.encode_uri_components(parent)
                ), IPython._target);
        });
        this.element.find('#copy_notebook').click(function () {
            that.notebook.copy_notebook();
            return false;
        });
        this.element.find('#save_notebook_as').click(function() {
            that.notebook.save_notebook_as();
            return false;
        });
        
        this.element.find('#print_preview').click(function () {
            that._nbconvert('html', false);
        });

        this.element.find('#download_menu li').click(function (ev) {
            that._nbconvert(ev.target.parentElement.getAttribute('id').substring(9), true);
        });

        this.events.on('trust_changed.Notebook', function (event, trusted) {
            if (trusted) {
                that.element.find('#trust_notebook')
                    .addClass("disabled").off('click')
                    .find("a").text(i18n.msg._("Trusted Notebook"));
            } else {
                that.element.find('#trust_notebook')
                    .removeClass("disabled").on('click', function () {
                        that.notebook.trust_notebook();
                    })
                    .find("a").text(i18n.msg._("Trust Notebook"));
            }
        });

        // View
        this._add_celltoolbar_list();

        // Edit
        this.element.find('#edit_nb_metadata').click(function () {
            that.notebook.edit_metadata({
                notebook: that.notebook,
                keyboard_manager: that.notebook.keyboard_manager});
        });

        var id_actions_dict = {
            '#trust_notebook' : 'trust-notebook',
            '#rename_notebook' : 'rename-notebook',
            '#find_and_replace' : 'find-and-replace',
            '#save_checkpoint': 'save-notebook',
            '#shutdown_kernel': 'confirm-shutdown-kernel',
            '#restart_kernel': 'confirm-restart-kernel',
            '#restart_clear_output': 'confirm-restart-kernel-and-clear-output',
            '#restart_run_all': 'confirm-restart-kernel-and-run-all-cells',
            '#close_and_halt': 'close-and-halt',
            '#int_kernel': 'interrupt-kernel',
            '#cut_cell': 'cut-cell',
            '#copy_cell': 'copy-cell',
            '#paste_cell_above': 'paste-cell-above',
            '#paste_cell_below': 'paste-cell-below',
            '#paste_cell_replace': 'paste-cell-replace',
            '#delete_cell': 'delete-cell',
            '#undelete_cell': 'undo-cell-deletion',
            '#split_cell': 'split-cell-at-cursor',
            '#merge_cell_above': 'merge-cell-with-previous-cell',
            '#merge_cell_below': 'merge-cell-with-next-cell',
            '#move_cell_up': 'move-cell-up',
            '#move_cell_down': 'move-cell-down',
            '#toggle_header': 'toggle-header',
            '#toggle_toolbar': 'toggle-toolbar',
            '#toggle_line_numbers': 'toggle-all-line-numbers',
            '#insert_cell_above': 'insert-cell-above',
            '#insert_cell_below': 'insert-cell-below',
            '#run_cell': 'run-cell',
            '#run_cell_select_below': 'run-cell-and-select-next',
            '#run_cell_insert_below': 'run-cell-and-insert-below',
            '#run_all_cells': 'run-all-cells',
            '#run_all_cells_above': 'run-all-cells-above',
            '#run_all_cells_below': 'run-all-cells-below',
            '#to_code': 'change-cell-to-code',
            '#to_markdown': 'change-cell-to-markdown',
            '#to_raw': 'change-cell-to-raw',
            '#toggle_current_output': 'toggle-cell-output-collapsed',
            '#toggle_current_output_scroll': 'toggle-cell-output-scrolled',
            '#clear_current_output': 'clear-cell-output',
            '#toggle_all_output': 'toggle-all-cells-output-collapsed',
            '#toggle_all_output_scroll': 'toggle-all-cells-output-scrolled',
            '#clear_all_output': 'clear-all-cells-output',
            '#cut_cell_attachments': 'cut-cell-attachments',
            '#copy_cell_attachments': 'copy-cell-attachments',
            '#paste_cell_attachments': 'paste-cell-attachments',
            '#insert_image': 'insert-image',
            '#keyboard_shortcuts' : 'show-keyboard-shortcuts',
            '#edit_keyboard_shortcuts' : 'edit-command-mode-keyboard-shortcuts',
        };

        for(var idx in id_actions_dict){
            if (!id_actions_dict.hasOwnProperty(idx)){
                continue;
            }
            var id_act = 'jupyter-notebook:'+id_actions_dict[idx];
            if(!that.actions.exists(id_act)){
                console.warn('actions', id_act, 'does not exist, still binding it in case it will be defined later...');
            }
            // Immediately-Invoked Function Expression cause JS.
            (function(that, id_act, idx){
                var el = that.element.find(idx);
                el.click(function(event){
                    that.actions.call(id_act, event);
                });
                
                var keybinding = that.keyboard_manager.command_shortcuts.get_action_shortcut(id_act) || that.keyboard_manager.edit_shortcuts.get_action_shortcut(id_act);
                
                if (keybinding) {
                    var shortcut = quickhelp.humanize_sequence(keybinding);
                    var link_element = el.children('a');
                    var text = link_element.text();
                    link_element.text('');
                    link_element.addClass('menu-shortcut-container');
                    link_element.append('<span class="action">' + text + '</span>');
                    link_element.append('<span class="kb">' + shortcut + '</span>');
                }
            })(that, id_act, idx);
        }

        
        // Kernel
        this.element.find('#reconnect_kernel').click(function () {
            that.notebook.kernel.reconnect();
        });
        // Help
        if (this.tour) {
            this.element.find('#notebook_tour').click(function () {
                that.tour.start();
            });
        } else {
            this.element.find('#notebook_tour').addClass("disabled");
        }
        
        this.update_restore_checkpoint(null);
        
        this.events.on('checkpoints_listed.Notebook', function (event, data) {
            that.update_restore_checkpoint(that.notebook.checkpoints);
        });
        
        this.events.on('checkpoint_created.Notebook', function (event, data) {
            that.update_restore_checkpoint(that.notebook.checkpoints);
        });
        
        this.events.on('notebook_loaded.Notebook', function() {
            var langinfo = that.notebook.metadata.language_info || {};
            that.update_nbconvert_script(langinfo);
        });
        
        this.events.on('kernel_ready.Kernel', function(event, data) {
            var langinfo = data.kernel.info_reply.language_info || {};
            that.update_nbconvert_script(langinfo);
            that.add_kernel_help_links(data.kernel.info_reply.help_links || []);
        });
    };
    
    MenuBar.prototype._add_celltoolbar_list = function () {
        var that = this;
        var submenu = $("#menu-cell-toolbar-submenu");
        
        function preset_added(event, data) {
            var name = data.name;
            submenu.append(
                $("<li/>")
                .attr('data-name', encodeURIComponent(name))
                .append(
                    $("<a/>")
                    .attr('href', '#')
                    .text(name)
                    .click(function () {
                        if (name ==='None') {
                            celltoolbar.CellToolbar.global_hide();
                            delete that.notebook.metadata.celltoolbar;
                        } else {
                            celltoolbar.CellToolbar.global_show();
                            celltoolbar.CellToolbar.activate_preset(name, that.events);
                            that.notebook.metadata.celltoolbar = name;
                        }
                        that.notebook.focus_cell();
                    })
                )
            );
        }
        
        // Setup the existing presets
        var presets = celltoolbar.CellToolbar.list_presets();
        preset_added(null, {name: i18n.msg._("None")});
        presets.map(function (name) {
            preset_added(null, {name: name});
        });

        // Setup future preset registrations
        this.events.on('preset_added.CellToolbar', preset_added);
        
        // Handle unregistered presets
        this.events.on('unregistered_preset.CellToolbar', function (event, data) {
            submenu.find("li[data-name='" + encodeURIComponent(data.name) + "']").remove();
        });
    };

    MenuBar.prototype.update_restore_checkpoint = function(checkpoints) {
        var ul = this.element.find("#restore_checkpoint").find("ul");
        ul.empty();
        if (!checkpoints || checkpoints.length === 0) {
            ul.append(
                $("<li/>")
                .addClass("disabled")
                .append(
                    $("<a/>")
                    .text(i18n.msg._("No checkpoints"))
                )
            );
            return;
        }
        
        var that = this;
        checkpoints.map(function (checkpoint) {
            var d = new Date(checkpoint.last_modified);
            ul.append(
                $("<li/>").append(
                    $("<a/>")
                    .attr("href", "#")
                    .text(moment(d).format("LLLL"))
                    .click(function () {
                        that.notebook.restore_checkpoint_dialog(checkpoint);
                    })
                )
            );
        });
    };
    
    MenuBar.prototype.update_nbconvert_script = function(langinfo) {
        /**
         * Set the 'Download as foo' menu option for the relevant language.
         */
        var el = this.element.find('#download_script');
        
        // Set menu entry text to e.g. "Python (.py)"
        var langname = (langinfo.name || 'Script');
        langname = langname.charAt(0).toUpperCase()+langname.substr(1); // Capitalise
        el.find('a').text(langname + ' ('+(langinfo.file_extension || 'txt')+')');
    };

    MenuBar.prototype.add_kernel_help_links = function(help_links) {
        /** add links from kernel_info to the help menu */
        var divider = $("#kernel-help-links");
        if (divider.length === 0) {
            // insert kernel help section above about link
            var about = $("#notebook_about").parent();
            divider = $("<li>")
                .attr('id', "kernel-help-links")
                .addClass('divider');
            about.prev().before(divider);
        }
        // remove previous entries
        while (!divider.next().hasClass('divider')) {
            divider.next().remove();
        }
        if (help_links.length === 0) {
            // no help links, remove the divider
            divider.remove();
            return;
        }
        var cursor = divider;
        help_links.map(function (link) {
            cursor.after($("<li>")
                .append($("<a>")
                    .attr('target', '_blank')
                    .attr('title', i18n.msg._('Opens in a new window'))
                    .attr('href', requirejs.toUrl(link.url))
                    .append($("<i>")
                        .addClass("fa fa-external-link menu-icon pull-right")
                    )
                    .append($("<span>")
                        .text(link.text)
                    )
                )
            );
            cursor = cursor.next();
        });
        
    };

    return {'MenuBar': MenuBar};
});

// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.

define('base/js/notificationwidget',['jquery'], function($) {
    "use strict";

    /**
     * Construct a NotificationWidget object.
     *
     * @constructor
     * @param {string} selector - a jQuery selector string for the
     * notification widget element
     */
    var NotificationWidget = function (selector) {
        this.selector = selector;
        this.timeout = null;
        this.busy = false;
        if (this.selector !== undefined) {
            this.element = $(selector);
            this.style();
        }
        this.element.hide();
        this.inner = $('<span/>');
        this.element.append(this.inner);
    };

    /**
     * Add the 'notification_widget' CSS class to the widget element.
     *
     * @method style
     */
    NotificationWidget.prototype.style = function () {
        // use explicit bootstrap classes here,
        // because multiple inheritance in LESS doesn't work
        // for this particular combination
        this.element.addClass('notification_widget btn btn-xs navbar-btn');
    };
   
    /**
     * hide the widget and empty the text
     **/
    NotificationWidget.prototype.hide = function () {
        var that = this;
        this.element.fadeOut(100, function(){that.inner.text('');});
    };

    /**
     * Set the notification widget message to display for a certain
     * amount of time (timeout).  The widget will be shown forever if
     * timeout is <= 0 or undefined. If the widget is clicked while it
     * is still displayed, execute an optional callback
     * (click_callback). If the callback returns false, it will
     * prevent the notification from being dismissed.
     *
     * Options:
     *    class - CSS class name for styling
     *    icon - CSS class name for the widget icon
     *    title - HTML title attribute for the widget
     *
     * @method set_message
     * @param {string} msg - The notification to display
     * @param {integer} [timeout] - The amount of time in milliseconds to display the widget
     * @param {function} [click_callback] - The function to run when the widget is clicked
     * @param {Object} [options] - Additional options
     */
    NotificationWidget.prototype.set_message = function (msg, timeout, click_callback, options) {
        options = options || {};

        // unbind potential previous callback
        this.element.unbind('click');
        this.inner.attr('class', options.icon);
        this.inner.attr('title', options.title);
        this.inner.text(msg);
        this.element.fadeIn(100);

        // reset previous set style
        this.element.removeClass();
        this.style();
        if (options.class) {
            this.element.addClass(options.class);
        }

        // clear previous timer
        if (this.timeout !== null) {
            clearTimeout(this.timeout);
            this.timeout = null;
        }

        // set the timer if a timeout is given
        var that = this;
        if (timeout !== undefined && timeout >= 0) {
            this.timeout = setTimeout(function () {
                that.element.fadeOut(100, function () {that.inner.text('');});
                that.element.unbind('click');
                that.timeout = null;
            }, timeout);
        }

        // if no click callback assume we will just dismiss the notification
        if (click_callback === undefined) {
            click_callback = function(){return true};
        }
        // on click, remove widget if click callback say so
        // and unbind click event.
        this.element.click(function () {
            if (click_callback() !== false) {
                that.element.fadeOut(100, function () {that.inner.text('');});
                that.element.unbind('click');
            }
            if (that.timeout !== null) {
                clearTimeout(that.timeout);
                that.timeout = null;
            }
        });
    };

    /**
     * Display an information message (styled with the 'info'
     * class). Arguments are the same as in set_message. Default
     * timeout is 3500 milliseconds.
     *
     * @method info
     */
    NotificationWidget.prototype.info = function (msg, timeout, click_callback, options) {
        options = options || {};
        options.class = options.class + ' info';
        timeout = timeout || 3500;
        this.set_message(msg, timeout, click_callback, options);
    };

    /**
     * Display a warning message (styled with the 'warning'
     * class). Arguments are the same as in set_message. Messages are
     * sticky by default.
     *
     * @method warning
     */
    NotificationWidget.prototype.warning = function (msg, timeout, click_callback, options) {
        options = options || {};
        options.class = options.class + ' warning';
        this.set_message(msg, timeout, click_callback, options);
    };

    /**
     * Display a danger message (styled with the 'danger'
     * class). Arguments are the same as in set_message. Messages are
     * sticky by default.
     *
     * @method danger
     */
    NotificationWidget.prototype.danger = function (msg, timeout, click_callback, options) {
        options = options || {};
        options.class = options.class + ' danger';
        this.set_message(msg, timeout, click_callback, options);
    };

    /**
     * Get the text of the widget message.
     *
     * @method get_message
     * @return {string} - the message text
     */
    NotificationWidget.prototype.get_message = function () {
        return this.inner.html();
    };

    return {'NotificationWidget': NotificationWidget};
});

// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.

define('base/js/notificationarea',[
    'jquery',
    'base/js/notificationwidget',
], function($, notificationwidget) {
    "use strict";

    // store reference to the NotificationWidget class
    var NotificationWidget = notificationwidget.NotificationWidget;

    /**
     * Construct the NotificationArea object. Options are:
     *     events: $(Events) instance
     *     save_widget: SaveWidget instance
     *     notebook: Notebook instance
     *     keyboard_manager: KeyboardManager instance
     *
     * @constructor
     * @param {string} selector - a jQuery selector string for the
     * notification area element
     * @param {Object} [options] - a dictionary of keyword arguments.
     */
    var NotificationArea = function (selector, options) {
        this.selector = selector;
        this.events = options.events;
        if (this.selector !== undefined) {
            this.element = $(selector);
        }
        this.widget_dict = {};
    };

    /**
     * Get a widget by name, creating it if it doesn't exist.
     *
     * @method widget
     * @param {string} name - the widget name
     */
    NotificationArea.prototype.widget = function (name) {
        if (this.widget_dict[name] === undefined) {
            return this.new_notification_widget(name);
        }
        return this.get_widget(name);
    };

    /**
     * Get a widget by name, throwing an error if it doesn't exist.
     *
     * @method get_widget
     * @param {string} name - the widget name
     */
    NotificationArea.prototype.get_widget = function (name) {
        if(this.widget_dict[name] === undefined) {
            throw new Error('no widgets with this name');
        }
        return this.widget_dict[name];
    };

    /**
     * Create a new notification widget with the given name. The
     * widget must not already exist.
     *
     * @method new_notification_widget
     * @param {string} name - the widget name
     */
    NotificationArea.prototype.new_notification_widget = function (name) {
        if (this.widget_dict[name] !== undefined) {
            throw new Error('widget with that name already exists!');
        }

        // create the element for the notification widget and add it
        // to the notification aread element
        var div = $('<div/>').attr('id', 'notification_' + name);
        $(this.selector).append(div);

        // create the widget object and return it
        this.widget_dict[name] = new NotificationWidget('#notification_' + name);
        return this.widget_dict[name];
    };

    return {'NotificationArea': NotificationArea};
});

define('notebook/js/notificationarea',[
    'jquery',
    'base/js/utils',
    'base/js/i18n',
    'base/js/dialog',
    'base/js/notificationarea',
    'moment'
], function($, utils, i18n, dialog, notificationarea, moment) {
    "use strict";

    var NotificationArea = notificationarea.NotificationArea;
    
    var NotebookNotificationArea = function(selector, options) {
        NotificationArea.apply(this, [selector, options]);
        this.save_widget = options.save_widget;
        this.notebook = options.notebook;
        this.keyboard_manager = options.keyboard_manager;
    };
    
    NotebookNotificationArea.prototype = Object.create(NotificationArea.prototype);
    
    /**
     * Initialize the default set of notification widgets.
     *
     * @method init_notification_widgets
     */
    NotebookNotificationArea.prototype.init_notification_widgets = function () {
        this.init_kernel_notification_widget();
        this.init_notebook_notification_widget();
        this.init_trusted_notebook_notification_widget();
    };

    /**
     * Initialize the notification widget for kernel status messages.
     *
     * @method init_kernel_notification_widget
     */
    NotebookNotificationArea.prototype.init_kernel_notification_widget = function () {
        var that = this;
        var knw = this.widget('kernel');
        var $kernel_ind_icon = $("#kernel_indicator_icon");
        var $modal_ind_icon = $("#modal_indicator");
        var $readonly_ind_icon = $('#readonly-indicator');
        var $body = $('body');
        var busy_favicon_timer = -1;
        
        var set_busy_favicon = function(on) {
            if (on) {
                // Only show the busy icon if execution lasts > 1s
                // This is to avoid rapidly switching icons and making lots of
                // HTTP requests.
                clearTimeout(busy_favicon_timer);
                busy_favicon_timer = setTimeout(function() {
                    utils.change_favicon('/static/base/images/favicon-busy-1.ico');
                }, 1000);
            } else {
                clearTimeout(busy_favicon_timer);
                utils.change_favicon('/static/base/images/favicon-notebook.ico');
            }
        };

        // Listen for the notebook loaded event.  Set readonly indicator.
        this.events.on('notebook_loaded.Notebook', function() {
            if (that.notebook.writable) {
                $readonly_ind_icon.hide();
            } else {
                $readonly_ind_icon.show();
            }
        });

        // Command/Edit mode
        this.events.on('edit_mode.Notebook', function () {
            that.save_widget.update_document_title();
            $body.addClass('edit_mode');
            $body.removeClass('command_mode');
            $modal_ind_icon.attr('title',i18n.msg._('Edit Mode'));
        });

        this.events.on('command_mode.Notebook', function () {
            that.save_widget.update_document_title();
            $body.removeClass('edit_mode');
            $body.addClass('command_mode');
            $modal_ind_icon.attr('title',i18n.msg._('Command Mode'));
        });

        // Implicitly start off in Command mode, switching to Edit mode will trigger event
        $modal_ind_icon.addClass('modal_indicator').attr('title',i18n.msg._('Command Mode'));
        $body.addClass('command_mode');

        // Kernel events

        // this can be either kernel_created.Kernel or kernel_created.Session
        this.events.on('kernel_created.Kernel kernel_created.Session', function () {
            knw.info(i18n.msg._("Kernel Created"), 500);
        });

        this.events.on('kernel_reconnecting.Kernel', function () {
            knw.warning(i18n.msg._("Connecting to kernel"));
        });

        this.events.on('kernel_connection_dead.Kernel', function (evt, info) {
            knw.danger(i18n.msg._("Not Connected"), undefined, function () {
                // schedule reconnect a short time in the future, don't reconnect immediately
                setTimeout($.proxy(info.kernel.reconnect, info.kernel), 500);
            }, {title: i18n.msg._('click to reconnect')});
        });

        this.events.on('kernel_connected.Kernel', function () {
            knw.info("Connected", 500);
            // trigger busy in the status to clear broken-link state immediately
            // a kernel_ready event will come when the kernel becomes responsive.
            $kernel_ind_icon
                .attr('class', 'kernel_busy_icon')
                .attr('title', i18n.msg._('Kernel Connected'));
        });

        this.events.on('kernel_restarting.Kernel', function () {
            that.save_widget.update_document_title();
            knw.set_message(i18n.msg._("Restarting kernel"), 2000);
        });

        this.events.on('kernel_autorestarting.Kernel', function (evt, info) {
            // Only show the dialog on the first restart attempt. This
            // number gets tracked by the `Kernel` object and passed
            // along here, because we don't want to show the user 5
            // dialogs saying the same thing (which is the number of
            // times it tries restarting).
            if (info.attempt === 1) {

                dialog.kernel_modal({
                    notebook: that.notebook,
                    keyboard_manager: that.keyboard_manager,
                    title: i18n.msg._("Kernel Restarting"),
                    body: i18n.msg._("The kernel appears to have died. It will restart automatically."),
                    buttons: {
                        OK : {
                            class : "btn-primary"
                        }
                    }
                });
            }

            that.save_widget.update_document_title();
            knw.danger(i18n.msg._("Dead kernel"));
            $kernel_ind_icon.attr('class','kernel_dead_icon').attr('title',i18n.msg._('Kernel Dead'));
        });

        this.events.on('kernel_interrupting.Kernel', function () {
            knw.set_message(i18n.msg._("Interrupting kernel"), 2000);
        });

        this.events.on('kernel_disconnected.Kernel', function () {
            $kernel_ind_icon
                .attr('class', 'kernel_disconnected_icon')
                .attr('title', i18n.msg._('No Connection to Kernel'));
        });

        this.events.on('kernel_connection_failed.Kernel', function (evt, info) {
            // only show the dialog if this is the first failed
            // connect attempt, because the kernel will continue
            // trying to reconnect and we don't want to spam the user
            // with messages
            if (info.attempt === 1) {

                var msg = i18n.msg._("A connection to the notebook server could not be established." +
                        " The notebook will continue trying to reconnect. Check your" +
                        " network connection or notebook server configuration.");

                var the_dialog = dialog.kernel_modal({
                    title: i18n.msg._("Connection failed"),
                    body: msg,
                    keyboard_manager: that.keyboard_manager,
                    notebook: that.notebook,
                    buttons : {
                        "OK": {}
                    }
                });

                // hide the dialog on reconnect if it's still visible
                var dismiss = function () {
                    the_dialog.modal('hide');
                }
                that.events.on("kernel_connected.Kernel", dismiss);
                the_dialog.on("hidden.bs.modal", function () {
                    // clear handler on dismiss
                    that.events.off("kernel_connected.Kernel", dismiss);
                });
            }
        });

        this.events.on('kernel_killed.Kernel kernel_killed.Session', function () {
            that.save_widget.update_document_title();
            knw.warning(i18n.msg._("No kernel"));
            $kernel_ind_icon.attr('class','kernel_busy_icon').attr('title',i18n.msg._('Kernel is not running'));
        });

        this.events.on('kernel_dead.Kernel', function () {
        // This statement is used simply so that message extraction
        // will pick up the strings.  The actual setting of the text
        // for the button is in dialog.js.
        var button_labels = [ i18n.msg._("Don't Restart"), i18n.msg._("Try Restarting Now"), i18n.msg._("OK")];

            var showMsg = function () {

                var msg = i18n.msg._('The kernel has died, and the automatic restart has failed.' +
                        ' It is possible the kernel cannot be restarted. ' +
                        'If you are not able to restart the kernel, you will still be able to save' +
                        ' the notebook, but running code will no longer work until the notebook' +
                        ' is reopened.');

                dialog.kernel_modal({
                    title: i18n.msg._("Dead kernel"),
                    body : msg,
                    keyboard_manager: that.keyboard_manager,
                    notebook: that.notebook,
                    default_button: "Don't Restart",
                    buttons : {
                        "Don't Restart": {},
                        "Try Restarting Now": {
                            class: "btn-danger",
                            click: function () {
                                that.notebook.start_session();
                            }
                        }
                    }
                });

                return false;
            };

            that.save_widget.update_document_title();
            knw.danger(i18n.msg._("Dead kernel"), undefined, showMsg);
            $kernel_ind_icon.attr('class','kernel_dead_icon').attr('title',i18n.msg._('Kernel Dead'));

            showMsg();
        });
        
        this.events.on("no_kernel.Kernel", function (evt, data) {
            $("#kernel_indicator").find('.kernel_indicator_name').text(i18n.msg._("No Kernel"));
        });

        this.events.on('kernel_dead.Session', function (evt, info) {
            var full = info.xhr.responseJSON.message;
            var short = info.xhr.responseJSON.short_message || 'Kernel error';
            var traceback = info.xhr.responseJSON.traceback;

            var showMsg = function () {
                var msg = $('<div/>').append($('<p/>').text(full));
                var cm, cm_elem, cm_open;

                if (traceback) {
                    cm_elem = $('<div/>')
                        .css('margin-top', '1em')
                        .css('padding', '1em')
                        .addClass('output_scroll');
                    msg.append(cm_elem);
                    cm = new CodeMirror(cm_elem.get(0), {
                        mode:  "python",
                        readOnly : true
                    });
                    cm.setValue(traceback);
                    cm_open = $.proxy(cm.refresh, cm);
                }

                dialog.kernel_modal({
                    title: i18n.msg._("Failed to start the kernel"),
                    body : msg,
                    keyboard_manager: that.keyboard_manager,
                    notebook: that.notebook,
                    open: cm_open,
                    buttons : {
                        "OK": { class: 'btn-primary' }
                    }
                });

                return false;
            };

            that.save_widget.update_document_title();
            $kernel_ind_icon.attr('class','kernel_dead_icon').attr('title',i18n.msg._('Kernel Dead'));
            knw.danger(short, undefined, showMsg);
        });
        
        this.events.on('kernel_starting.Kernel kernel_created.Session', function () {
            // window.document.title='(Starting) '+window.document.title;
            $kernel_ind_icon.attr('class','kernel_busy_icon').attr('title',i18n.msg._('Kernel Busy'));
            knw.set_message(i18n.msg._("Kernel starting, please wait..."));
            set_busy_favicon(true);
        });

        this.events.on('kernel_ready.Kernel', function () {
            // that.save_widget.update_document_title();
            $kernel_ind_icon.attr('class','kernel_idle_icon').attr('title',i18n.msg._('Kernel Idle'));
            knw.info(i18n.msg._("Kernel ready"), 500);
            set_busy_favicon(false);
        });

        this.events.on('kernel_idle.Kernel', function () {
            // that.save_widget.update_document_title();
            $kernel_ind_icon.attr('class','kernel_idle_icon').attr('title',i18n.msg._('Kernel Idle'));
            set_busy_favicon(false);
        });

        this.events.on('kernel_busy.Kernel', function () {
            // window.document.title='(Busy) '+window.document.title;
            $kernel_ind_icon.attr('class','kernel_busy_icon').attr('title',i18n.msg._('Kernel Busy'));
            set_busy_favicon(true);
        });

        this.events.on('spec_match_found.Kernel', function (evt, data) {
            that.widget('kernelspec').info(i18n.msg._("Using kernel: ") + data.found.spec.display_name, 3000, undefined, {
                title: i18n.msg.sprintf(i18n.msg._("Only candidate for language: %1$s was %2$s."),
                        data.selected.language, data.found.spec.display_name)
            });
        });

        
        // Start the kernel indicator in the busy state, and send a kernel_info request.
        // When the kernel_info reply arrives, the kernel is idle.
        $kernel_ind_icon.attr('class','kernel_busy_icon').attr('title',i18n.msg._('Kernel Busy'));
    };

    /**
     * Initialize the notification widget for notebook status messages.
     *
     * @method init_notebook_notification_widget
     */
    NotebookNotificationArea.prototype.init_notebook_notification_widget = function () {
        var nnw = this.widget('notebook');

        // Notebook events
        this.events.on('notebook_loading.Notebook', function () {
            nnw.set_message(i18n.msg._("Loading notebook"),500);
        });
        this.events.on('notebook_loaded.Notebook', function () {
            nnw.set_message(i18n.msg._("Notebook loaded"),500);
        });
        this.events.on('notebook_saving.Notebook', function () {
            nnw.set_message(i18n.msg._("Saving notebook"),500);
        });
        this.events.on('notebook_saved.Notebook', function () {
            nnw.set_message(i18n.msg._("Notebook saved"),2000);
        });
        this.events.on('notebook_save_failed.Notebook', function (evt, error) {
            nnw.warning(error.message || i18n.msg._("Notebook save failed"));
        });
        this.events.on('notebook_copy_failed.Notebook', function (evt, error) {
            nnw.warning(error.message || i18n.msg._("Notebook copy failed"));
        });
        
        // Checkpoint events
        this.events.on('checkpoint_created.Notebook', function (evt, data) {
            var msg = i18n.msg._("Checkpoint created");
            if (data.last_modified) {
                var d = new Date(data.last_modified);
                msg = msg + ": " + moment(d).format("HH:mm:ss");
            }
            nnw.set_message(msg, 2000);
        });
        this.events.on('checkpoint_failed.Notebook', function () {
            nnw.warning(i18n.msg._("Checkpoint failed"));
        });
        this.events.on('checkpoint_deleted.Notebook', function () {
            nnw.set_message(i18n.msg._("Checkpoint deleted"), 500);
        });
        this.events.on('checkpoint_delete_failed.Notebook', function () {
            nnw.warning(i18n.msg._("Checkpoint delete failed"));
        });
        this.events.on('checkpoint_restoring.Notebook', function () {
            nnw.set_message(i18n.msg._("Restoring to checkpoint..."), 500);
        });
        this.events.on('checkpoint_restore_failed.Notebook', function () {
            nnw.warning(i18n.msg._("Checkpoint restore failed"));
        });

        // Autosave events
        this.events.on('autosave_disabled.Notebook', function () {
            nnw.set_message(i18n.msg._("Autosave disabled"), 2000);
        });
        this.events.on('autosave_enabled.Notebook', function (evt, interval) {
            nnw.set_message(i18n.msg.sprintf(i18n.msg._("Saving every %d sec."), interval / 1000) , 1000);
        });
    };

    /**
     * Initialize the notification widget for trusted notebook messages.
     *
     * @method init_trusted_notebook_notification_widget
     */
    NotebookNotificationArea.prototype.init_trusted_notebook_notification_widget = function () {
        var that = this;
        var tnw = this.widget('trusted');

        // Notebook trust events
        this.events.on('trust_changed.Notebook', function (event, trusted) {
            if (trusted) {
                tnw.set_message(i18n.msg._("Trusted"), undefined, function() {
                  return false;
                }, {'title':'Javascript enabled for notebook display'});
                // don't allow 'Trusted' button to be clicked
                $(tnw.selector).attr('disabled', true);
                $(tnw.selector).css('cursor', 'help');
            } else {
                tnw.set_message(i18n.msg._("Not Trusted"), undefined, function() {
                  that.notebook.trust_notebook("#notification_trusted");
                  return false;
                }, {'title':'Javascript disabled for notebook display'});
                $(tnw.selector).attr('role', 'button');
            }
        });
    };

    return {'NotebookNotificationArea': NotebookNotificationArea};
});

// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.

define('notebook/js/savewidget',[
    'jquery',
    'base/js/utils',
    'base/js/i18n',
    'base/js/dialog',
    'base/js/keyboard',
    'moment',
    'bidi/bidi',
], function($, utils, i18n, dialog, keyboard, moment, bidi) {
    "use strict";

    var SaveWidget = function (selector, options) {
        /**
         * TODO: Remove circular ref.
         */
        this.notebook = undefined;
        this.selector = selector;
        this.events = options.events;
        this._checkpoint_date = undefined;
        this.keyboard_manager = options.keyboard_manager;
        if (this.selector !== undefined) {
            this.element = $(selector);
            this.bind_events();
        }
    };


    SaveWidget.prototype.bind_events = function () {
        var that = this;
        this.element.find('span.filename').click(function () {
            that.rename_notebook({notebook: that.notebook});
        });
        this.events.on('notebook_loaded.Notebook', function () {
            that.update_notebook_name();
            that.update_document_title();
        });
        this.events.on('notebook_saved.Notebook', function () {
            that.update_notebook_name();
            that.update_document_title();
        });
        this.events.on('notebook_renamed.Notebook', function () {
            that.update_notebook_name();
            that.update_document_title();
            that.update_address_bar();
        });
        this.events.on('notebook_save_failed.Notebook', function () {
            that.set_save_status(i18n.msg._('Autosave Failed!'));
        });
        this.events.on('notebook_read_only.Notebook', function () {
            that.set_save_status('(read only)');
            // disable future set_save_status
            that.set_save_status = function () {};
        });
        this.events.on('checkpoints_listed.Notebook', function (event, data) {
            that._set_last_checkpoint(data[0]);
        });

        this.events.on('checkpoint_created.Notebook', function (event, data) {
            that._set_last_checkpoint(data);
        });
        this.events.on('set_dirty.Notebook', function (event, data) {
            that.set_autosaved(data.value);
        });
    };

    // This statement is used simply so that message extraction
    // will pick up the strings.  The actual setting of the text
    // for the button is in dialog.js.
    var button_labels = [ i18n.msg._("Cancel"), i18n.msg._("Rename"), i18n.msg._("OK")];

    SaveWidget.prototype.rename_notebook = function (options) {
        options = options || {};
        var that = this;
        var dialog_body = $('<div/>').append(
            $("<p/>").addClass("rename-message")
                .text(i18n.msg._('Enter a new notebook name:'))
        ).append(
            $("<br/>")
        ).append(
            $('<input/>').attr('type','text').attr('size','25').addClass('form-control')
            .val(options.notebook.get_notebook_name())
        );
        var d = dialog.modal({
            title: i18n.msg._("Rename Notebook"),
            body: dialog_body,
            notebook: options.notebook,
            keyboard_manager: this.keyboard_manager,
            default_button: "Cancel",
            buttons : {
                "Cancel": {},
                "Rename": {
                    class: "btn-primary",
                    click: function () {
                        var new_name = d.find('input').val();
                        if (!options.notebook.test_notebook_name(new_name)) {
                            d.find('.rename-message').text(i18n.msg._(
                                "Invalid notebook name. Notebook names must have 1 or more characters and can contain any characters except :/\\. Please enter a new notebook name:")
                            );
                            return false;
                        } else {
                            d.find('.rename-message').text(i18n.msg._("Renaming..."));
                            d.find('input[type="text"]').prop('disabled', true);
                            that.notebook.rename(new_name).then(
                                function () {
                                    d.modal('hide');
                                }, function (error) {
                                    d.find('.rename-message').text(error.message || i18n.msg._('Unknown error'));
                                    d.find('input[type="text"]').prop('disabled', false).focus().select();
                                }
                            );
                            return false;
                        }
                    }
                }
            },
            open : function () {
                /**
                 * Upon ENTER, click the OK button.
                 */
                d.find('input[type="text"]').keydown(function (event) {
                    if (event.which === keyboard.keycodes.enter) {
                        d.find('.btn-primary').first().click();
                        return false;
                    }
                });
                d.find('input[type="text"]').focus().select();
            }
        });
    };


    SaveWidget.prototype.update_notebook_name = function () {
        var nbname = this.notebook.get_notebook_name();
        nbname = bidi.applyBidi(nbname);
        this.element.find('span.filename').text(nbname);
    };


    SaveWidget.prototype.update_document_title = function () {
        var nbname = this.notebook.get_notebook_name();
        document.title = nbname + ' - Jupyter Notebook';
    };

    SaveWidget.prototype.update_address_bar = function(){
        var base_url = this.notebook.base_url;
        var path = this.notebook.notebook_path;
        var state = {path : path};
        window.history.replaceState(state, "", utils.url_path_join(
            base_url,
            "notebooks",
            utils.encode_uri_components(path))
        );
    };


    SaveWidget.prototype.set_save_status = function (msg) {
        this.element.find('span.autosave_status').text(msg);
    };

    SaveWidget.prototype._set_last_checkpoint = function (checkpoint) {
        if (checkpoint) {
            this._checkpoint_date = new Date(checkpoint.last_modified);
        } else {
            this._checkpoint_date = null;
        }
        this._render_checkpoint();
    };
    
    SaveWidget.prototype._render_checkpoint = function () {
        /** actually set the text in the element, from our _checkpoint value
        
        called directly, and periodically in timeouts.
        */
        this._schedule_render_checkpoint();
        var el = this.element.find('span.checkpoint_status');
        if (!this._checkpoint_date) {
            el.text('').attr('title', i18n.msg._('no checkpoint'));
            return;
        }
        var chkd = moment(this._checkpoint_date);
        var long_date = chkd.format('llll');
        var human_date;
        var tdelta = Math.ceil(new Date() - this._checkpoint_date);
        if (tdelta < utils.time.milliseconds.d){
            // less than 24 hours old, use relative date
            human_date = chkd.fromNow();
        } else {
            // otherwise show calendar
            // <Today | yesterday|...> at hh,mm,ss
            human_date = chkd.calendar();
        }
        
        el.text(i18n.msg.sprintf(i18n.msg._('Last Checkpoint: %s'),human_date)).attr('title', long_date);
    };

    
    SaveWidget.prototype._schedule_render_checkpoint = function () {
        /** schedule the next update to relative date
        
        periodically updated, so short values like 'a few seconds ago' don't get stale.
        */
        if (!this._checkpoint_date) {
            return;
        }
        if ((this._checkpoint_timeout)) {
            clearTimeout(this._checkpoint_timeout);
        }
        var dt = Math.ceil(new Date() - this._checkpoint_date);
        this._checkpoint_timeout = setTimeout(
            $.proxy(this._render_checkpoint, this),
            utils.time.timeout_from_dt(dt)
        );
    };

    SaveWidget.prototype.set_autosaved = function (dirty) {
        if (dirty) {
            this.set_save_status(i18n.msg._("(unsaved changes)"));
        } else {
            this.set_save_status(i18n.msg._("(autosaved)"));
        }
    };

    return {'SaveWidget': SaveWidget};

});

// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.

// How to pick action names:
//
// * First pick a noun and a verb for the action. For example, if the action is "restart kernel," the verb is
//   "restart" and the noun is "kernel".
// * Omit terms like "selected" and "active" by default, so "delete-cell", rather than "delete-selected-cell".
//   Only provide a scope like "-all-" if it is other than the default "selected" or "active" scope.
// * If an action has a secondary action, separate the secondary action with "-and-", so
//   "restart-kernel-and-clear-output".
// * Don't ever use before/after as they have a temporal connotation that is confusing when used in a spatial
//   context.
// * Use above/below or previous/next to indicate spacial and sequential relationships.
// * For dialogs, use a verb that indicates what the dialog will accomplish, such as "confirm-restart-kernel".


define('notebook/js/actions',[
    'base/js/i18n',
    ], function(i18n){
    "use strict";

    var warn_bad_name = function(name){
        if(name !== "" && !name.match(/:/)){
            console.warn('You are trying to use an action/command name, where the separator between prefix and name is not `:`\n'+
                         '"'+name+'"\n'+
                         'You are likely to not use the API in a correct way. Typically use the following:\n'+
                         '`var key = actions.register(<object>, "<name>", "<prefix>");` and reuse the `key` variable'+
                         'instead of re-generating the key yourself.'
                    );
        }
    };

    var ActionHandler = function (env) {
        this.env = env || {};
        Object.seal(this);
    };

    var $ = requirejs('jquery');
    var events =  requirejs('base/js/events');

    /**
     *  A bunch of predefined `Simple Actions` used by Jupyter.
     *  `Simple Actions` have the following keys:
     *  help (optional): a short string the describe the action.
     *      will be used in various context, like as menu name, tool tips on buttons,
     *      and short description in help menu.
     *  help_index (optional): a string used to sort action in help menu.
     *  icon (optional): a short string that represent the icon that have to be used with this
     *  action. this should mainly correspond to a Font_awesome class.
     *  handler : a function which is called when the action is activated. It will receive at first parameter
     *      a dictionary containing various handle to element of the notebook.
     *
     *  action need to be registered with a **name** that can be use to refer to this action.
     *
     *  if `help` is not provided it will be derived by replacing any dash by space
     *  in the **name** of the action. It is advised to provide a prefix to action name to
     *  avoid conflict the prefix should be all lowercase and end with a dot `.`
     *  in the absence of a prefix the behavior of the action is undefined.
     *
     *  All action provided by the Jupyter notebook are prefixed with `jupyter-notebook:`.
     *
     *  One can register extra actions or replace an existing action with another one is possible
     *  but is considered undefined behavior.
     *
     **/
    var _actions = {
        'toggle-cell-rtl-layout': {
            cmd: i18n.msg._('toggle current cell ltr/rtl direction'),
            help: i18n.msg._('Toggle current cell directionality between left-to-right and right-to-left'),
            handler: function (env) {
              var notebook_direction = document.body.getAttribute('dir') == 'rtl' ? 'rtl' : 'ltr';
              var current_cell_default_direction = env.notebook.get_selected_cell().cell_type == 'code' ? 'ltr' : notebook_direction;
              var current_cell_direction = env.notebook.get_selected_cell().metadata.direction || current_cell_default_direction;
              var new_direction = current_cell_direction == 'rtl' ? 'ltr' : 'rtl';
              env.notebook.get_selected_cells().forEach(
                  function(cell) { cell.metadata.direction = new_direction; }
              );
              env.notebook.set_dirty(true);
              env.notebook.apply_directionality();
            }
        },
        'toggle-rtl-layout': {
            cmd: i18n.msg._('toggle notebook ltr/rtl direction'),
            help: i18n.msg._('Toggle notebook directionality between left-to-right and right-to-left'),
            handler: function (env) {
              var new_direction = document.body.getAttribute('dir') == 'rtl' ? 'ltr' : 'rtl';
              env.notebook.metadata.direction = new_direction;
              env.notebook.set_dirty(true);
              env.notebook.apply_directionality();
            }
        },
        'edit-command-mode-keyboard-shortcuts': {
            cmd: i18n.msg._('edit command mode keyboard shortcuts'),
            help: i18n.msg._('Open a dialog to edit the command mode keyboard shortcuts'),
            handler: function (env) {
                env.notebook.show_shortcuts_editor();
            }
        },
        'shutdown-kernel': {
            help: 'Shutdown the kernel (no confirmation dialog)',
            handler: function (env) {
                env.notebook.shutdown_kernel({confirm: false});
            }
        },
        'confirm-shutdown-kernel':{
            icon: 'fa-repeat',
            help_index : 'hb',
            help: 'Shutdown the kernel (with confirmation dialog)',
            handler : function (env) {
                env.notebook.shutdown_kernel();
            }
        },
        'restart-kernel': {
            cmd: i18n.msg._('restart kernel'),
            help: i18n.msg._('restart the kernel (no confirmation dialog)'),
            handler: function (env) {
                env.notebook.restart_kernel({confirm: false});
            },
        },
        'confirm-restart-kernel':{
            icon: 'fa-repeat',
            help_index : 'hb',
            cmd: i18n.msg._('confirm restart kernel'),
            help: i18n.msg._('restart the kernel (with dialog)'),
            handler : function (env) {
                env.notebook.restart_kernel();
            }
        },
        'restart-kernel-and-run-all-cells': {
            cmd: i18n.msg._('restart kernel and run all cells'),
            help: i18n.msg._('restart the kernel, then re-run the whole notebook (no confirmation dialog)'),
            handler: function (env) {
                env.notebook.restart_run_all({confirm: false});
            }
        },
        'confirm-restart-kernel-and-run-all-cells': {
            icon: 'fa-forward',
            cmd: i18n.msg._('confirm restart kernel and run all cells'),
            help: i18n.msg._('restart the kernel, then re-run the whole notebook (with dialog)'),
            handler: function (env) {
                env.notebook.restart_run_all();
            }
        },
        'restart-kernel-and-clear-output': {
            cmd: i18n.msg._('restart kernel and clear output'),
            help: i18n.msg._('restart the kernel and clear all output (no confirmation dialog)'),
            handler: function (env) {
                env.notebook.restart_clear_output({confirm: false});
            }
        },
        'confirm-restart-kernel-and-clear-output': {
            cmd: i18n.msg._('confirm restart kernel and clear output'),
            help: i18n.msg._('restart the kernel and clear all output (with dialog)'),
            handler: function (env) {
                env.notebook.restart_clear_output();
            }
        },
        'interrupt-kernel':{
            icon: 'fa-stop',
            cmd: i18n.msg._('interrupt the kernel'),
            help: i18n.msg._('interrupt the kernel'),
            help_index : 'ha',
            handler : function (env) {
                env.notebook.kernel.interrupt();
            }
        },
        'run-cell-and-select-next': {
            cmd: i18n.msg._('run cell and select next'),
            icon: 'fa-play',
            help: i18n.msg._('run cell, select below'),
            help_index : 'ba',
            handler : function (env) {
                env.notebook.execute_cell_and_select_below();
            }
        },
        'run-cell':{
            cmd: i18n.msg._('run selected cells'),
            help    : i18n.msg._('run selected cells'),
            help_index : 'bb',
            handler : function (env) {
                env.notebook.execute_selected_cells();
            }
        },
        'run-cell-and-insert-below':{
            cmd: i18n.msg._('run cell and insert below'),
            help    : i18n.msg._('run cell and insert below'),
            help_index : 'bc',
            handler : function (env) {
                env.notebook.execute_cell_and_insert_below();
            }
        },
        'run-all-cells': {
            cmd: i18n.msg._('run all cells'),
            help: i18n.msg._('run all cells'),
            help_index: 'bd',
            handler: function (env) {
                env.notebook.execute_all_cells();
            }
        },
        'run-all-cells-above':{
            cmd: i18n.msg._('run all cells above'),
            help: i18n.msg._('run all cells above'),
            handler : function (env) {
                env.notebook.execute_cells_above();
            }
        },
        'run-all-cells-below':{
            cmd: i18n.msg._('run all cells below'),
            help: i18n.msg._('run all cells below'),
            handler : function (env) {
                env.notebook.execute_cells_below();
            }
        },
        'enter-command-mode': {
            cmd: i18n.msg._('enter command mode'),
            help    : i18n.msg._('enter command mode'),
            help_index : 'aa',
            handler : function (env) {
                env.notebook.command_mode();
            }
        },
        'insert-image': {
            cmd: i18n.msg._('insert image'),
            help      : i18n.msg._('insert image'),
            help_index : 'dz',
            handler : function (env) {
                env.notebook.insert_image();
            }
        },
        'cut-cell-attachments': {
            cmd: i18n.msg._('cut cell attachments'),
            help    : i18n.msg._('cut cell attachments'),
            help_index : 'dza',
            handler: function (env) {
                env.notebook.cut_cell_attachments();
            }
        },
        'copy-cell-attachments': {
            cmd: i18n.msg._('copy cell attachments'),
            help    : i18n.msg._('copy cell attachments'),
            help_index: 'dzb',
            handler: function (env) {
                env.notebook.copy_cell_attachments();
            }
        },
        'paste-cell-attachments': {
            cmd: i18n.msg._('paste cell attachments'),
            help    : i18n.msg._('paste cell attachments'),
            help_index: 'dzc',
            handler: function (env) {
                env.notebook.paste_cell_attachments();
            }
        },
        'split-cell-at-cursor': {
            cmd: i18n.msg._('split cell at cursor(s)'),
            help    : i18n.msg._('split cell at cursor(s)'),
            help_index : 'ea',
            handler : function (env) {
                env.notebook.split_cell();
            }
        },
        'enter-edit-mode' : {
            cmd: i18n.msg._('enter edit mode'),
            help : i18n.msg._('enter edit mode'),
            help_index : 'aa',
            handler : function (env) {
                env.notebook.edit_mode();
            }
        },
        'select-previous-cell' : {
            cmd: i18n.msg._('select previous cell'),
            help: i18n.msg._('select cell above'),
            help_index : 'da',
            handler : function (env) {
                var index = env.notebook.get_selected_index();
                if (index !== 0 && index !== null) {
                    env.notebook.select_prev(true);
                    env.notebook.focus_cell();
                }
            }
        },
        'select-next-cell' : {
            cmd: i18n.msg._('select next cell'),
            help: i18n.msg._('select cell below'),
            help_index : 'db',
            handler : function (env) {
                var index = env.notebook.get_selected_index();
                if (index !== (env.notebook.ncells()-1) && index !== null) {
                    env.notebook.select_next(true);
                    env.notebook.focus_cell();
                }
            }
        },
        'extend-selection-above' : {
            cmd: i18n.msg._('extend selection above'),
            help: i18n.msg._('extend selected cells above'),
            help_index : 'dc',
            handler : function (env) {
                env.notebook.extend_selection_by(-1);
                // scroll into view,
                // do not call notebook.focus_cell(), or
                // all the selection get thrown away
                env.notebook.get_selected_cell().element.focus();
            }
        },
        'extend-selection-below' : {
            cmd: i18n.msg._('extend selection below'),
            help: i18n.msg._('extend selected cells below'),
            help_index : 'dd',
            handler : function (env) {
                env.notebook.extend_selection_by(1);
                // scroll into view,
                // do not call notebook.focus_cell(), or
                // all the selection get thrown away
                env.notebook.get_selected_cell().element.focus();
            }
        },
        'select-all' : {
            cmd: i18n.msg._('select all'),
            help: i18n.msg._('select all cells'),
            help_index : 'de',
            handler : function (env) {
                env.notebook.select_all();
                env.notebook.get_selected_cell().element.focus();
            }
        },
        'cut-cell' : {
            cmd: i18n.msg._('cut selected cells'),
            help: i18n.msg._('cut selected cells'),
            icon: 'fa-cut',
            help_index : 'ee',
            handler : function (env) {
                var index = env.notebook.get_selected_index();
                env.notebook.cut_cell();
                env.notebook.select(index);
            }
        },
        'copy-cell' : {
            cmd: i18n.msg._('copy selected cells'),
            help: i18n.msg._('copy selected cells'),
            icon: 'fa-copy',
            help_index : 'ef',
            handler : function (env) {
                env.notebook.copy_cell();
            }
        },
        'paste-cell-replace' : {
            help: 'paste cells replace',
            handler : function (env) {
                env.notebook.paste_cell_replace();
            }
        },
        'paste-cell-above' : {
            cmd: i18n.msg._('paste cells above'),
            help: i18n.msg._('paste cells above'),
            help_index : 'eg',
            handler : function (env) {
                env.notebook.paste_cell_above();
            }
        },
        'paste-cell-below' : {
            cmd: i18n.msg._('paste cells below'),
            help: i18n.msg._('paste cells below'),
            icon: 'fa-paste',
            help_index : 'eh',
            handler : function (env) {
                env.notebook.paste_cell_below();
            }
        },
        'insert-cell-above' : {
            cmd: i18n.msg._('insert cell above'),
            help: i18n.msg._('insert cell above'),
            help_index : 'ec',
            handler : function (env) {
                env.notebook.insert_cell_above();
                env.notebook.select_prev(true);
                env.notebook.focus_cell();
            }
        },
        'insert-cell-below' : {
            cmd: i18n.msg._('insert cell below'),
            help: i18n.msg._('insert cell below'),
            icon : 'fa-plus',
            help_index : 'ed',
            handler : function (env) {
                env.notebook.insert_cell_below();
                env.notebook.select_next(true);
                env.notebook.focus_cell();
            }
        },
        'change-cell-to-code' : {
            cmd: i18n.msg._('change cell to code'),
            help    : i18n.msg._('change cell to code'),
            help_index : 'ca',
            handler : function (env) {
                env.notebook.cells_to_code();
            }
        },
        'change-cell-to-markdown' : {
            cmd: i18n.msg._('change cell to markdown'),
            help    : i18n.msg._('change cell to markdown'),
            help_index : 'cb',
            handler : function (env) {
                env.notebook.cells_to_markdown();
            }
        },
        'change-cell-to-raw' : {
            cmd: i18n.msg._('change cell to raw'),
            help    : i18n.msg._('change cell to raw'),
            help_index : 'cc',
            handler : function (env) {
                env.notebook.cells_to_raw();
            }
        },
        'change-cell-to-heading-1' : {
            cmd: i18n.msg._('change cell to heading 1'),
            help    : i18n.msg._('change cell to heading 1'),
            help_index : 'cd',
            handler : function (env) {
                env.notebook.to_heading(undefined, 1);
            }
        },
        'change-cell-to-heading-2' : {
            cmd: i18n.msg._('change cell to heading 2'),
            help    : i18n.msg._('change cell to heading 2'),
            help_index : 'ce',
            handler : function (env) {
                env.notebook.to_heading(undefined, 2);
            }
        },
        'change-cell-to-heading-3' : {
            cmd: i18n.msg._('change cell to heading 3'),
            help    : i18n.msg._('change cell to heading 3'),
            help_index : 'cf',
            handler : function (env) {
                env.notebook.to_heading(undefined, 3);
            }
        },
        'change-cell-to-heading-4' : {
            cmd: i18n.msg._('change cell to heading 4'),
            help    : i18n.msg._('change cell to heading 4'),
            help_index : 'cg',
            handler : function (env) {
                env.notebook.to_heading(undefined, 4);
            }
        },
        'change-cell-to-heading-5' : {
            cmd: i18n.msg._('change cell to heading 5'),
            help    : i18n.msg._('change cell to heading 5'),
            help_index : 'ch',
            handler : function (env) {
                env.notebook.to_heading(undefined, 5);
            }
        },
        'change-cell-to-heading-6' : {
            cmd: i18n.msg._('change cell to heading 6'),
            help    : i18n.msg._('change cell to heading 6'),
            help_index : 'ci',
            handler : function (env) {
                env.notebook.to_heading(undefined, 6);
            }
        },
        'toggle-cell-output-collapsed' : {
            cmd: i18n.msg._('toggle cell output'),
            help    : i18n.msg._('toggle output of selected cells'),
            help_index : 'gb',
            handler : function (env) {
                env.notebook.toggle_cells_outputs();
            }
        },
        'toggle-cell-output-scrolled' : {
            cmd: i18n.msg._('toggle cell scrolling'),
            help    : i18n.msg._('toggle output scrolling of selected cells'),
            help_index : 'gc',
            handler : function (env) {
                env.notebook.toggle_cells_outputs_scroll();
            }
        },
        'clear-cell-output' : {
            cmd: i18n.msg._('clear cell output'),
            help    : i18n.msg._('clear output of selected cells'),
            handler : function (env) {
                env.notebook.clear_cells_outputs();
            }
        },
        'move-cell-down' : {
            cmd: i18n.msg._('move cells down'),
            help: i18n.msg._('move selected cells down'),
            icon: 'fa-arrow-down',
            help_index : 'eb',
            handler : function (env) {
                env.notebook.move_cell_down();
            }
        },
        'move-cell-up' : {
            cmd: i18n.msg._('move cells up'),
            help: i18n.msg._('move selected cells up'),
            icon: 'fa-arrow-up',
            help_index : 'ea',
            handler : function (env) {
                env.notebook.move_cell_up();
            }
        },
        'toggle-cell-line-numbers' : {
            cmd: i18n.msg._('toggle line numbers'),
            help    : i18n.msg._('toggle line numbers'),
            help_index : 'ga',
            handler : function (env) {
                env.notebook.cell_toggle_line_numbers();
            }
        },
        'show-keyboard-shortcuts' : {
            cmd: i18n.msg._('show keyboard shortcuts'),
            help    : i18n.msg._('show keyboard shortcuts'),
            help_index : 'ge',
            handler : function (env) {
                env.quick_help.show_keyboard_shortcuts();
            }
        },
        'delete-cell': {
            cmd: i18n.msg._('delete cells'),
            help: i18n.msg._('delete selected cells'),
            help_index : 'ej',
            handler : function (env) {
                env.notebook.delete_cell();
            }
        },
        'undo-cell-deletion' : {
            cmd: i18n.msg._('undo cell deletion'),
            help: i18n.msg._('undo cell deletion'),
            help_index : 'ei',
            handler : function (env) {
                env.notebook.undelete_cell();
            }
        },
        // TODO reminder
        // open an issue, merge with above merge with last cell of notebook if at top.
        'merge-cell-with-previous-cell' : {
            cmd: i18n.msg._('merge cell with previous cell'),
            help    : i18n.msg._('merge cell above'),
            handler : function (env) {
                env.notebook.merge_cell_above();
            }
        },
        'merge-cell-with-next-cell' : {
            cmd: i18n.msg._('merge cell with next cell'),
            help    : i18n.msg._('merge cell below'),
            help_index : 'ek',
            handler : function (env) {
                env.notebook.merge_cell_below();
            }
        },
        'merge-selected-cells' : {
            cmd: i18n.msg._('merge selected cells'),
            help : i18n.msg._('merge selected cells'),
            help_index: 'el',
            handler: function(env) {
                env.notebook.merge_selected_cells();
            }
        },
        'merge-cells' : {
            cmd: i18n.msg._('merge cells'),
            help : i18n.msg._('merge selected cells, or current cell with cell below if only one cell is selected'),
            help_index: 'el',
            handler: function(env) {
                var l = env.notebook.get_selected_cells_indices().length;
                if(l == 1){
                    env.notebook.merge_cell_below();
                } else {
                    env.notebook.merge_selected_cells();
                }
            }
        },
        'show-command-palette': {
            help_index : 'aa',
            cmd: i18n.msg._('show command pallette'),
            help: i18n.msg._('open the command palette'),
            icon: 'fa-keyboard-o',
            handler : function(env){
                env.notebook.show_command_palette();
            }
        },
        'toggle-all-line-numbers': {
            cmd: i18n.msg._('toggle all line numbers'),
            help : i18n.msg._('toggles line numbers in all cells, and persist the setting'),
            icon: 'fa-list-ol',
            handler: function(env) {
                var value = !env.notebook.line_numbers;
                env.notebook.get_cells().map(function(c) {
                    c.code_mirror.setOption('lineNumbers', value);
                });
                env.notebook.line_numbers = value;
            }
        },
        'show-all-line-numbers': {
            cmd: i18n.msg._('show all line numbers'),
            help : i18n.msg._('show line numbers in all cells, and persist the setting'),
            handler: function(env) {
                env.notebook.get_cells().map(function(c) {
                    c.code_mirror.setOption('lineNumbers', true);
                });
                env.notebook.line_numbers = true;
            }
        },
        'hide-all-line-numbers': {
            cmd: i18n.msg._('hide all line numbers'),
            help : i18n.msg._('hide line numbers in all cells, and persist the setting'),
            handler: function(env) {
                env.notebook.get_cells().map(function(c) {
                    c.code_mirror.setOption('lineNumbers', false);
                });
                env.notebook.line_numbers = false;
            }
        },
        'toggle-header':{
            cmd: i18n.msg._('toggle header'),
            help: i18n.msg._('switch between showing and hiding the header'),
            handler : function(env) {
                var value = !env.notebook.header;
                if (value === true) {
                    $('#header-container').show();
                    $('.header-bar').show();
                } else if (value === false) {
                    $('#header-container').hide();
                    $('.header-bar').hide();
                }
                events.trigger('resize-header.Page');
                env.notebook.header = value;
            }
        },
        'show-header':{
            cmd: i18n.msg._('show the header'),
            help: i18n.msg._('show the header'),
            handler : function(env) {
                $('#header-container').show();
                $('.header-bar').show();
                events.trigger('resize-header.Page');
                env.notebook.header = true;
            }
        },
        'hide-header':{
            cmd: i18n.msg._('hide the header'),
            help: i18n.msg._('hide the header'),
            handler : function(env) {
                $('#header-container').hide();
                $('.header-bar').hide();
                events.trigger('resize-header.Page');
                env.notebook.header = false;
            }
        },
        'toggle-menubar':{
            help: 'hide/show the menu bar',
            handler : function(env) {
                $('#menubar-container').toggle();
                events.trigger('resize-header.Page');
            }
        },
        'show-menubar':{
            help: 'show the menu bar',
            handler : function(env) {
                $('#menubar-container').show();
                events.trigger('resize-header.Page');
            }
        },
        'hide-menubar':{
            help: 'hide the menu bar',
            handler : function(env) {
                $('#menubar-container').hide();
                events.trigger('resize-header.Page');
            }
        },
        'toggle-toolbar':{
            cmd: i18n.msg._('toggle toolbar'),
            help: i18n.msg._('switch between showing and hiding the toolbar'),
            handler : function(env) {
                var value = !env.notebook.toolbar;
                if (value === true) {
                    $('div#maintoolbar').show();
                } else if (value === false) {
                    $('div#maintoolbar').hide();
                }
                events.trigger('resize-header.Page');
                env.notebook.toolbar = value;
            }
        },
        'show-toolbar':{
            cmd: i18n.msg._('show the toolbar'),
            help: i18n.msg._('show the toolbar'),
            handler : function(env) {
                $('div#maintoolbar').show();
                events.trigger('resize-header.Page');
                env.notebook.toolbar = true;
            }
        },
        'hide-toolbar':{
            cmd: i18n.msg._('hide the toolbar'),
            help: i18n.msg._('hide the toolbar'),
            handler : function(env) {
                $('div#maintoolbar').hide();
                events.trigger('resize-header.Page');
                env.notebook.toolbar = false;
            }
        },
        'close-pager': {
            cmd: i18n.msg._('close the pager'),
            help : i18n.msg._('close the pager'),
            handler : function(env) {
                // Collapse the page if it is open
                if (env.pager && env.pager.expanded) {
                    env.pager.collapse();
                }
            }
        },
        'auto-indent': {
            cmd: i18n.msg._('automatically indent selection'),
            help : i18n.msg._('automatically indent selection'),
            handler : function(env) {
              // Get selected cell
              var selected_cell = env.notebook.get_selected_cell();
              // Execute a CM command
              selected_cell.code_mirror.execCommand('indentAuto');
            }
        },
        'close-and-halt': {
            cmd: i18n.msg._('shutdown kernel and close window'),
            help : i18n.msg._('shutdown kernel and close window'),
            handler : function(env) {
                env.notebook.close_and_halt();
            }
        }
    };

    /**
     * A bunch of `Advance actions` for Jupyter.
     * Cf `Simple Action` plus the following properties.
     *
     * handler: first argument of the handler is the event that triggered the action
     *      (typically keypress). The handler is responsible for any modification of the
     *      event and event propagation.
     *      Is also responsible for returning false if the event have to be further ignored,
     *      true, to tell keyboard manager that it ignored the event.
     *
     *      the second parameter of the handler is the environment passed to Simple Actions
     *
     **/
    var custom_ignore = {
        'ignore':{
            cmd: i18n.msg._('ignore'),
            handler : function () {
                return true;
            }
        },
        'move-cursor-up':{
            cmd: i18n.msg._('move cursor up'),
            help: i18n.msg._("move cursor up"),
            handler : function (env, event) {
                var index = env.notebook.get_selected_index();
                var cell = env.notebook.get_cell(index);
                var cm = env.notebook.get_selected_cell().code_mirror;
                var cur = cm.getCursor();
                if (cell && cell.at_top() && index !== 0 && cur.ch === 0) {
                    if(event){
                        event.preventDefault();
                    }
                    env.notebook.command_mode();
                    env.notebook.select_prev(true);
                    env.notebook.edit_mode();
                    cm = env.notebook.get_selected_cell().code_mirror;
                    cm.setCursor(cm.lastLine(), 0);
                }
                return false;
            }
        },
        'move-cursor-down':{
            cmd: i18n.msg._('move cursor down'),
            help: i18n.msg._("move cursor down"),
            handler : function (env, event) {
                var index = env.notebook.get_selected_index();
                var cell = env.notebook.get_cell(index);
                if (cell.at_bottom() && index !== (env.notebook.ncells()-1)) {
                    if(event){
                        event.preventDefault();
                    }
                    env.notebook.command_mode();
                    env.notebook.select_next(true);
                    env.notebook.edit_mode();
                    var cm = env.notebook.get_selected_cell().code_mirror;
                    cm.setCursor(0, 0);
                }
                return false;
            }
        },
        'scroll-notebook-down': {
            cmd: i18n.msg._('scroll notebook down'),
            help: i18n.msg._("scroll notebook down"),
            handler: function(env, event) {
                if(event){
                    event.preventDefault();
                }
                return env.notebook.scroll_manager.scroll(1);
            },
        },
        'scroll-notebook-up': {
            cmd: i18n.msg._('scroll notebook up'),
            help: i18n.msg._("scroll notebook up"),
            handler: function(env, event) {
                if(event){
                    event.preventDefault();
                }
                return env.notebook.scroll_manager.scroll(-1);
            },
        },
        'scroll-cell-center': {
            cmd: i18n.msg._('scroll cell center'),
            help: i18n.msg._("Scroll the current cell to the center"),
            handler: function (env, event) {
                if(event){
                    event.preventDefault();
                }
                var cell = env.notebook.get_selected_index();
                return env.notebook.scroll_cell_percent(cell, 50, 0);
            }
        },
        'scroll-cell-top': {
            cmd: i18n.msg._('scroll cell top'),
            help: i18n.msg._("Scroll the current cell to the top"),
            handler: function (env, event) {
                if(event){
                    event.preventDefault();
                }
                var cell = env.notebook.get_selected_index();
                return env.notebook.scroll_cell_percent(cell, 0, 0);
            }
        },
        'duplicate-notebook':{
            cmd: i18n.msg._('duplicate notebook'),
            help: i18n.msg._("Create and open a copy of the current notebook"),
            handler : function (env, event) {
                env.notebook.copy_notebook();
            }
        },
        'trust-notebook':{
            cmd: i18n.msg._('trust notebook'),
            help: i18n.msg._("Trust the current notebook"),
            handler : function (env, event) {
                env.notebook.trust_notebook();
            }
        },
        'rename-notebook':{
            cmd: i18n.msg._('rename notebook'),
            help: i18n.msg._("Rename the current notebook"),
            handler : function (env, event) {
                env.notebook.save_widget.rename_notebook({notebook: env.notebook});
            }
        },
        'toggle-all-cells-output-collapsed':{
            cmd: i18n.msg._('toggle all cells output collapsed'),
            help: i18n.msg._("Toggle the hidden state of all output areas"),
            handler : function (env, event) {
                env.notebook.toggle_all_output();
            }
        },
        'toggle-all-cells-output-scrolled':{
            cmd: i18n.msg._('toggle all cells output scrolled'),
            help: i18n.msg._("Toggle the scrolling state of all output areas"),
            handler : function (env, event) {
                env.notebook.toggle_all_output_scroll();
            }
        },

        'clear-all-cells-output':{
            cmd: i18n.msg._('clear all cells output'),
            help: i18n.msg._("Clear the content of all the outputs"),
            handler : function (env, event) {
                env.notebook.clear_all_output();
            }
        },
        'save-notebook':{
            cmd: i18n.msg._('save notebook'),
            help: i18n.msg._("Save and Checkpoint"),
            help_index : 'fb',
            icon: 'fa-save',
            handler : function (env, event) {
                env.notebook.save_checkpoint();
                if(event){
                    event.preventDefault();
                }
                return false;
            }
        },
    };

    // private stuff that prepend `jupyter-notebook:` to actions names
    // and uniformize/fill in missing pieces in of an action.
    var _prepare_handler = function(registry, subkey, source){
        registry['jupyter-notebook:'+subkey] = {};
        registry['jupyter-notebook:'+subkey].cmd = source[subkey].cmd;
        registry['jupyter-notebook:'+subkey].help = source[subkey].help||subkey.replace(/-/g,' ');
        registry['jupyter-notebook:'+subkey].help_index = source[subkey].help_index;
        registry['jupyter-notebook:'+subkey].icon = source[subkey].icon;
        return source[subkey].handler;
    };

    // Will actually generate/register all the Jupyter actions
    var fun = function(){
        var final_actions = {};
        var k;
        for(k in _actions){
            if(_actions.hasOwnProperty(k)){
                // Js closure are function level not block level need to wrap in a IIFE
                // and append jupyter-notebook: to event name these things do intercept event so are wrapped
                // in a function that return false.
                var handler = _prepare_handler(final_actions, k, _actions);
                (function(key, handler){
                    final_actions['jupyter-notebook:'+key].handler = function(env, event){
                        handler(env);
                        if(event){
                            event.preventDefault();
                        }
                        return false;
                    };
                })(k, handler);
            }
        }

        for(k in custom_ignore){
            // Js closure are function level not block level need to wrap in a IIFE
            // same as above, but decide for themselves whether or not they intercept events.
            if(custom_ignore.hasOwnProperty(k)){
                handler = _prepare_handler(final_actions, k, custom_ignore);
                (function(key, handler){
                    final_actions['jupyter-notebook:'+key].handler = function(env, event){
                        return handler(env, event);
                    };
                })(k, handler);
            }
        }

        return final_actions;
    };
    ActionHandler.prototype._actions = fun();


    /**
     *  extend the environment variable that will be pass to handlers
     **/
    ActionHandler.prototype.extend_env = function(env){
        for(var k in env){
            this.env[k] = env[k];
        }
    };

    ActionHandler.prototype.register = function(action, name, prefix){
        /**
         * Register an `action` with an optional name and prefix.
         *
         * if name and prefix are not given they will be determined automatically.
         * if action if just a `function` it will be wrapped in an anonymous action.
         *
         * @return the full name to access this action .
         **/
        action = this.normalise(action);
        if( !name ){
            name = 'autogenerated-'+String(action.handler);
        }
        prefix = prefix || 'auto';
        var full_name = prefix+':'+name;
        this._actions[full_name] = action;
        return full_name;

    };


    ActionHandler.prototype.normalise = function(data){
        /**
         * given an `action` or `function`, return a normalised `action`
         * by setting all known attributes and removing unknown attributes;
         **/
        if(typeof(data) === 'function'){
            data = {handler:data};
        }
        if(typeof(data.handler) !== 'function'){
            throw new Error('unknown datatype, cannot register');
        }
        var _data = data;
        data = {};
        data.handler = _data.handler;
        data.help = _data.help || '';
        data.icon = _data.icon || '';
        data.help_index = _data.help_index || '';
        return data;
    };

    ActionHandler.prototype.get_name = function(name_or_data){
        /**
         * given an `action` or `name` of an action, return the name attached to this action.
         * if given the name of and corresponding actions does not exist in registry, return `null`.
         **/

        if(typeof(name_or_data) === 'string'){
            warn_bad_name(name_or_data);
            if(this.exists(name_or_data)){
                return name_or_data;
            } else {
                return null;
            }
        } else {
            return this.register(name_or_data);
        }
    };

    ActionHandler.prototype.get = function(name){
        warn_bad_name(name);
        return this._actions[name];
    };

    ActionHandler.prototype.call = function(name, event, env){
        return this._actions[name].handler(env|| this.env, event);
    };

    ActionHandler.prototype.exists = function(name){
        return (typeof(this._actions[name]) !== 'undefined');
    };

    return {init:ActionHandler};

});

// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.
/**
 *
 *
 * @module keyboardmanager
 * @namespace keyboardmanager
 * @class KeyboardManager
 */

define('notebook/js/keyboardmanager',[
    'jquery',
    'base/js/utils',
    'base/js/keyboard',
], function($, utils, keyboard) {
    "use strict";
    
    // Main keyboard manager for the notebook
    var keycodes = keyboard.keycodes;

    var KeyboardManager = function (options) {
        /**
         * A class to deal with keyboard event and shortcut
         *
         * @class KeyboardManager
         * @constructor
         * @param options {dict} Dictionary of keyword arguments :
         *    @param options.events {$(Events)} instance 
         *    @param options.pager: {Pager}  pager instance
         */
        this.mode = 'command';
        this.enabled = true;
        this.pager = options.pager;
        this.quick_help = undefined;
        this.notebook = undefined;
        this.last_mode = undefined;
        this.bind_events();
        this.env = {pager:this.pager};
        this.actions = options.actions;
        this.command_shortcuts = new keyboard.ShortcutManager(undefined, options.events, this.actions, this.env, options.config, 'command');
        this.command_shortcuts._add_default_shortcuts(this.get_default_common_shortcuts());
        this.command_shortcuts._add_default_shortcuts(this.get_default_command_shortcuts());
        this.edit_shortcuts = new keyboard.ShortcutManager(undefined, options.events, this.actions, this.env);
        this.edit_shortcuts._add_default_shortcuts(this.get_default_common_shortcuts());
        this.edit_shortcuts._add_default_shortcuts(this.get_default_edit_shortcuts());


        this.config = options.config;
        var that = this;

        this.config.loaded.then(function(){ 
            var edit_unbind;

            try {
                edit_unbind = that.config.data.keys.edit.unbind||[];
            } catch (e) {
                if (e instanceof TypeError) {
                    edit_unbind = [];
                } else {
                    throw e;
                }
            }

            edit_unbind.forEach(function(u){that.edit_shortcuts.remove_shortcut(u);});

            var command_unbind;

            try {
                command_unbind = that.config.data.keys.command.unbind||[];
            } catch (e) {
                if (e instanceof TypeError) {
                    command_unbind = [];
                } else {
                    throw e;
                }
            }

            command_unbind.forEach(function(u){that.command_shortcuts.remove_shortcut(u);});

            that.command_shortcuts.add_shortcuts( ((that.config.data.keys||{}).command||{}).bind);
            that.edit_shortcuts.add_shortcuts(    ((that.config.data.keys||{}).edit   ||{}).bind);

            }
        );

        Object.seal(this);
    };




    /**
     * Return a dict of common shortcut
     * @method get_default_common_shortcuts
     *
     * @example Example of returned shortcut
     * ```
     * 'shortcut-key': 'action-name'
     * // a string representing the shortcut as dash separated value.
     * // e.g. 'shift' , 'shift-enter', 'cmd-t'
     *```
     */
    KeyboardManager.prototype.get_default_common_shortcuts = function() {
        return {
            'shift'       : 'jupyter-notebook:ignore',
            'shift-enter' : 'jupyter-notebook:run-cell-and-select-next',
            'alt-enter'   : 'jupyter-notebook:run-cell-and-insert-below',
            'ctrl-enter'  : 'jupyter-notebook:run-cell',
            // cmd on mac, ctrl otherwise
            'cmdtrl-enter'  : 'jupyter-notebook:run-cell',
            'cmdtrl-s'    : 'jupyter-notebook:save-notebook'
        };
    };

    KeyboardManager.prototype.get_default_edit_shortcuts = function() {
        return {
            'cmdtrl-shift-p'      : 'jupyter-notebook:show-command-palette',
            'cmdtrl-shift-f'      : 'jupyter-notebook:show-command-palette',
            'esc'                 : 'jupyter-notebook:enter-command-mode',
            'ctrl-m'              : 'jupyter-notebook:enter-command-mode',
            'up'                  : 'jupyter-notebook:move-cursor-up',
            'down'                : 'jupyter-notebook:move-cursor-down',
            'ctrl-shift--'        : 'jupyter-notebook:split-cell-at-cursor',
        };
    };

    KeyboardManager.prototype.get_default_command_shortcuts = function() {
        return {
            'cmdtrl-shift-p': 'jupyter-notebook:show-command-palette',
            'cmdtrl-shift-f': 'jupyter-notebook:show-command-palette',
            'shift-space': 'jupyter-notebook:scroll-notebook-up',
            'shift-v' : 'jupyter-notebook:paste-cell-above',
            'shift-m' : 'jupyter-notebook:merge-cells',
            'shift-o' : 'jupyter-notebook:toggle-cell-output-scrolled',
            'enter' : 'jupyter-notebook:enter-edit-mode',
            'space' : 'jupyter-notebook:scroll-notebook-down',
            'down' : 'jupyter-notebook:select-next-cell',
            'i,i' : 'jupyter-notebook:interrupt-kernel',
            '0,0' : 'jupyter-notebook:confirm-restart-kernel',
            'd,d' : 'jupyter-notebook:delete-cell',
            'esc': 'jupyter-notebook:close-pager',
            'up' : 'jupyter-notebook:select-previous-cell',
            'k' : 'jupyter-notebook:select-previous-cell',
            'j' : 'jupyter-notebook:select-next-cell',
            'shift-k': 'jupyter-notebook:extend-selection-above',
            'shift-j': 'jupyter-notebook:extend-selection-below',
            'shift-up': 'jupyter-notebook:extend-selection-above',
            'shift-down': 'jupyter-notebook:extend-selection-below',
            'cmdtrl-a': 'jupyter-notebook:select-all',
            'x' : 'jupyter-notebook:cut-cell',
            'c' : 'jupyter-notebook:copy-cell',
            'v' : 'jupyter-notebook:paste-cell-below',
            'a' : 'jupyter-notebook:insert-cell-above',
            'b' : 'jupyter-notebook:insert-cell-below',
            'y' : 'jupyter-notebook:change-cell-to-code',
            'm' : 'jupyter-notebook:change-cell-to-markdown',
            'r' : 'jupyter-notebook:change-cell-to-raw',
            '1' : 'jupyter-notebook:change-cell-to-heading-1',
            '2' : 'jupyter-notebook:change-cell-to-heading-2',
            '3' : 'jupyter-notebook:change-cell-to-heading-3',
            '4' : 'jupyter-notebook:change-cell-to-heading-4',
            '5' : 'jupyter-notebook:change-cell-to-heading-5',
            '6' : 'jupyter-notebook:change-cell-to-heading-6',
            'o' : 'jupyter-notebook:toggle-cell-output-collapsed',
            's' : 'jupyter-notebook:save-notebook',
            'l' : 'jupyter-notebook:toggle-cell-line-numbers',
            'shift-l' : 'jupyter-notebook:toggle-all-line-numbers',
            'h' : 'jupyter-notebook:show-keyboard-shortcuts',
            'z' : 'jupyter-notebook:undo-cell-deletion',
            'q' : 'jupyter-notebook:close-pager',
            'p' : 'jupyter-notebook:show-command-palette',
        };
    };

    KeyboardManager.prototype.bind_events = function () {
        var that = this;
        $(document).keydown(function (event) {
            if(event._ipkmIgnore===true||(event.originalEvent||{})._ipkmIgnore===true){
                return false;
            }
            return that.handle_keydown(event);
        });
    };

    KeyboardManager.prototype.set_notebook = function (notebook) {
        this.notebook = notebook;
        this.actions.extend_env({notebook:notebook});
    };
    
    KeyboardManager.prototype.set_quickhelp = function (notebook) {
        this.actions.extend_env({quick_help:notebook});
    };


    KeyboardManager.prototype.handle_keydown = function (event) {
        /**
         *  returning false from this will stop event propagation
         **/

        if (event.which === keycodes.esc) {
            // Intercept escape at highest level to avoid closing
            // websocket connection with firefox
            event.preventDefault();
        }
        
        if (!this.enabled) {
            if (event.which === keycodes.esc) {
                this.notebook.command_mode();
                return false;
            }
            return true;
        }
        
        if (this.mode === 'edit') {
            return this.edit_shortcuts.call_handler(event);
        } else if (this.mode === 'command') {
            return this.command_shortcuts.call_handler(event);
        }
        return true;
    };

    KeyboardManager.prototype.edit_mode = function () {
        this.last_mode = this.mode;
        this.mode = 'edit';
    };

    KeyboardManager.prototype.command_mode = function () {
        this.last_mode = this.mode;
        this.mode = 'command';
    };

    KeyboardManager.prototype.enable = function () {
        this.enabled = true;
    };

    KeyboardManager.prototype.disable = function () {
        this.enabled = false;
    };

    KeyboardManager.prototype.register_events = function (e) {
        e = $(e);
        var that = this;
        var handle_focus = function () {
            that.disable();
        };
        var handle_blur = function () {
            that.enable();
        };
        e.on('focusin', handle_focus);
        e.on('focusout', handle_blur);
        // TODO: Very strange. The focusout event does not seem fire for the 
        // bootstrap textboxes on FF25&26...  This works around that by 
        // registering focus and blur events recursively on all inputs within
        // registered element.
        e.find('input').blur(handle_blur);
        e.on('DOMNodeInserted', function (event) {
            var target = $(event.target);
            if (target.is('input')) {
                target.blur(handle_blur);
            } else {
                target.find('input').blur(handle_blur);    
            }
          });
        // There are times (raw_input) where we remove the element from the DOM before
        // focusout is called. In this case we bind to the remove event of jQueryUI,
        // which gets triggered upon removal, iff it is focused at the time.
        // is_focused must be used to check for the case where an element within
        // the element being removed is focused.
        e.on('remove', function () {
            if (utils.is_focused(e[0])) {
                that.enable();
            }
        });
    };

    return {'KeyboardManager': KeyboardManager};
});

// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.

define('notebook/js/kernelselector',[
    'jquery',
    'base/js/namespace',
    'base/js/dialog',
    'base/js/utils',
    'base/js/i18n'
], function($, IPython, dialog, utils, i18n) {
    "use strict";
    
    var KernelSelector = function(selector, notebook, options) {
        options = options || {};
        var that = this;
        this.selector = selector;
        this.notebook = notebook;
        this.nbclassic_path = options.nbclassic_path;
        this.notebook.set_kernelselector(this);
        this.events = notebook.events;
        this.current_selection = null;
        this.kernelspecs = {};
        if (this.selector !== undefined) {
            this.element = $(selector);
            this.request_kernelspecs();
        }
        this.bind_events();
        // Make the object globally available for user convenience & inspection
        IPython.kernelselector = this;
        this._finish_load = null;
        this._loaded = false;
        this.loaded = new Promise(function(resolve) {
            that._finish_load = resolve;
        });
        
        Object.seal(this);
    };
    
    KernelSelector.prototype.request_kernelspecs = function() {
        // Preliminary documentation for kernelspecs api is at 
        // https://github.com/ipython/ipython/wiki/IPEP-25%3A-Registry-of-installed-kernels#rest-api
        var url = utils.url_path_join(this.notebook.base_url, 'api/kernelspecs');
        utils.promising_ajax(url).then($.proxy(this._got_kernelspecs, this));
    };
    
    var _sorted_names = function(kernelspecs) {
        // sort kernel names
        return Object.keys(kernelspecs).sort(function (a, b) {
            // sort by display_name
            var da = kernelspecs[a].spec.display_name;
            var db = kernelspecs[b].spec.display_name;
            if (da === db) {
                return 0;
            } else if (da > db) {
                return 1;
            } else {
                return -1;
            }
        });
    };
    
    KernelSelector.prototype._got_kernelspecs = function(data) {
        var that = this;
        this.kernelspecs = data.kernelspecs;
        var change_kernel_submenu = $("#menu-change-kernel-submenu");
        var new_notebook_submenu = $("#menu-new-notebook-submenu");
        var keys = _sorted_names(data.kernelspecs);
        
        keys.map(function (key) {
            // Create the Kernel > Change kernel submenu
            var ks = data.kernelspecs[key];
            change_kernel_submenu.append(
                $("<li>").attr("id", "kernel-submenu-"+ks.name).append(
                    $('<a>')
                        .attr('href', '#')
                        .click( function () {
                            that.set_kernel(ks.name);
                        })
                        .text(ks.spec.display_name)
                )
            );
            // Create the File > New Notebook submenu
            new_notebook_submenu.append(
                $("<li>").attr("id", "new-notebook-submenu-"+ks.name).append(
                    $('<a>')
                        .attr('href', '#')
                        .click( function () {
                            that.new_notebook(ks.name);
                        })
                        .text(ks.spec.display_name)
                )
            );

        });
        // trigger loaded promise
        this._loaded = true;
        this._finish_load();
    };
    
    KernelSelector.prototype._spec_changed = function (event, ks) {
        /** event handler for spec_changed */
        var that = this;
        
        // update selection
        this.current_selection = ks.name;
        
        // put the current kernel at the top of File > New Notebook
        var cur_kernel_entry = $("#new-notebook-submenu-" + ks.name);
        var parent = cur_kernel_entry.parent();
        // do something only if there is more than one kernel
        if (parent.children().length > 1) {
            // first, sort back the submenu
            parent.append(
                parent.children("li[class!='divider']").sort(
                    function (a,b) {
                        var da = $("a",a).text();
                        var db = $("a",b).text();
                        if (da === db) {
                            return 0;
                        } else if (da > db) {
                            return 1;
                        } else {
                            return -1;
                        }}));
            // then, if there is no divider yet, add one
            if (!parent.children("li[class='divider']").length) {
                parent.prepend($("<li>").attr("class","divider"));
            } 
            // finally, put the current kernel at the top
            parent.prepend(cur_kernel_entry);
        }
        
        // load logo
        var logo_img = this.element.find("img.current_kernel_logo");
        $("#kernel_indicator").find('.kernel_indicator_name').text(ks.spec.display_name);
        if (ks.resources['logo-64x64']) {
            logo_img.attr("src", ks.resources['logo-64x64']);
            logo_img.attr("title", ks.spec.display_name);
            logo_img.show();
        } else {
            logo_img.hide();
        }
        
        // load kernel css
        var css_url = ks.resources['kernel.css'];
        if (css_url) {
            $('#kernel-css').attr('href', css_url);
        } else {
            $('#kernel-css').attr('href', '');
        }
        
        // load kernel js
        if (ks.resources['kernel.js']) {

            // Debug added for Notebook 4.2, please remove at some point in the
            // future if the following does not append anymore when kernels
            // have kernel.js
            //
            // > Uncaught (in promise) TypeError: require is not a function
            // 
            console.info('Dynamically requiring kernel.js, `requirejs` is ', requirejs);
            requirejs([ks.resources['kernel.js']],
                function (kernel_mod) {
                    if (kernel_mod && kernel_mod.onload) {
                        kernel_mod.onload();
                    } else {
                        console.warn("Kernel " + ks.name + " has a kernel.js file that does not contain "+
                                     "any asynchronous module definition. This is undefined behavior "+
                                     "and not recommended.");
                    }
                }, function (err) {
                    console.warn("Failed to load kernel.js from ", ks.resources['kernel.js'], err);
                }
            );
            this.events.on('spec_changed.Kernel', function (evt, new_ks) {
                if (ks.name != new_ks.name) {
                    console.warn("kernelspec %s had custom kernel.js. Forcing page reload for %s.",
                        ks.name, new_ks.name);
                    that.notebook.save_notebook().then(function () {
                        window.location.reload();
                    });
                }
            });
        }
    };

    KernelSelector.prototype.set_kernel = function (selected) {
        /** set the kernel by name, ensuring kernelspecs have been loaded, first 
        
        kernel can be just a kernel name, or a notebook kernelspec metadata
        (name, language, display_name).
        */
        var that = this;
        if (typeof selected === 'string') {
            selected = {
                name: selected
            };
        }
        if (this._loaded) {
            this._set_kernel(selected);
        } else {
            return this.loaded.then(function () {
                that._set_kernel(selected);
            });
        }
    };

    KernelSelector.prototype._set_kernel = function (selected) {
        /** Actually set the kernel (kernelspecs have been loaded) */
        if (selected.name === this.current_selection) {
            // only trigger event if value changed
            return;
        }
        var kernelspecs = this.kernelspecs;
        var ks = kernelspecs[selected.name];
        if (ks === undefined) {
            var available = _sorted_names(kernelspecs);
            var matches = [];
            if (selected.language && selected.language.length > 0) {
                available.map(function (name) {
                    if (kernelspecs[name].spec.language.toLowerCase() === selected.language.toLowerCase()) {
                        matches.push(name);
                    }
                });
            }
            if (matches.length === 1) {
                ks = kernelspecs[matches[0]];
                console.log("No exact match found for " + selected.name +
                    ", using only kernel that matches language=" + selected.language, ks);
                this.events.trigger("spec_match_found.Kernel", {
                    selected: selected,
                    found: ks,
                });
            }
            // if still undefined, trigger failure event
            if (ks === undefined) {
                this.events.trigger("spec_not_found.Kernel", {
                    selected: selected,
                    matches: matches,
                    available: available,
                });
                return;
            }
        }
        if (this.notebook._session_starting &&
            this.notebook.session.kernel.name !== ks.name) {
            console.error("Cannot change kernel while waiting for pending session start.");
            return;
        }
        this.current_selection = ks.name;
        this.events.trigger('spec_changed.Kernel', ks);
    };
    
    KernelSelector.prototype._spec_not_found = function (event, data) {
        var that = this;
        var select = $("<select>").addClass('form-control');
        console.warn("Kernelspec not found:", data);
        var names;
        if (data.matches.length > 1) {
            names = data.matches;
        } else {
            names = data.available;
        }
        names.map(function (name) {
            var ks = that.kernelspecs[name];
            select.append(
                $('<option/>').attr('value', ks.name).text(ks.spec.display_name || ks.name)
            );
        });
        
        var no_kernel_msg = i18n.msg.sprintf(i18n.msg._("Could not find a kernel matching %s. Please select a kernel:"),
                (data.selected.display_name || data.selected.name))
        var body = $("<form>").addClass("form-inline").append(
            $("<span>").text(no_kernel_msg)
        ).append(select);

        // This statement is used simply so that message extraction
        // will pick up the strings.  The actual setting of the text
        // for the button is in dialog.js.
        var button_labels = [ i18n.msg._("Continue Without Kernel"), i18n.msg._("Set Kernel"), i18n.msg._("OK") ];
        
        dialog.modal({
            title : i18n.msg._('Kernel not found'),
            body : body,
            buttons : {
                'Continue Without Kernel' : {
                    class : 'btn-danger',
                    click : function () {
                        that.events.trigger('no_kernel.Kernel');
                    }
                },
                'Set Kernel' : {
                    class : 'btn-primary',
                    click : function () {
                        that.set_kernel(select.val());
                    }
                }
            }
        });
    };

    KernelSelector.prototype.new_notebook = function (kernel_name) {
        
        var w = window.open('', IPython._target);
        // Create a new notebook in the same path as the current
        // notebook's path.
        var that = this;
        var parent = utils.url_path_split(that.notebook.notebook_path)[0];
        that.notebook.contents.new_untitled(parent, {type: "notebook"}).then(
            function (data) {
                var url = utils.url_path_join(
                    that.notebook.base_url, that.nbclassic_path, 'notebooks',
                    utils.encode_uri_components(data.path)
                );
                url += "?kernel_name=" + kernel_name;
                w.location = url;
            },
            function(error) {
                w.close();
                dialog.modal({
                    title : i18n.msg._('Creating Notebook Failed'),
                    body : i18n.msg.sprintf(i18n.msg._("The error was: %s"), error.message),
                    buttons : {'OK' : {'class' : 'btn-primary'}}
                });
            }
        );
    };

    KernelSelector.prototype.lock_switch = function() {
        // should set a flag and display warning+reload if user want to
        // re-change kernel. As UI discussion never finish
        // making that a separate PR.
        console.warn('switching kernel is not guaranteed to work !');
    };

    KernelSelector.prototype.bind_events = function() {
        var that = this;
        this.events.on('spec_changed.Kernel', $.proxy(this._spec_changed, this));
        this.events.on('spec_not_found.Kernel', $.proxy(this._spec_not_found, this));
        this.events.on('kernel_created.Session', function (event, data) {
            that.set_kernel(data.kernel.name);
        });
        
        var logo_img = this.element.find("img.current_kernel_logo");
        logo_img.on("load", function() {
            logo_img.show();
        });
        logo_img.on("error", function() {
            logo_img.hide();
        });
    };

    return {'KernelSelector': KernelSelector};
});

// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.
requirejs([
    'jquery',
    'base/js/dialog',
    'base/js/i18n',
    'underscore',
    'base/js/namespace'
], function ($, dialog, i18n, _, IPython) {
    'use strict';
    $('#notebook_about').click(function () {
        // The nbclassicPath is only injected in the document by nbclassic.
        var is_nbclassic = document.nbclassicPath !== undefined;
        // use underscore template to auto html escape
        if (sys_info) {
          var text = '';
          if (is_nbclassic) {
            text = text + i18n.msg._('You are using Jupyter NbClassic.');
            text = text + '<br/><br/>';
            text = text + i18n.msg._('The version of the Jupyter server is: ');
            text = text + _.template('<b><%- version %></b>')({ version: sys_info.jupyter_server_version });
            if (sys_info.commit_hash) {
                text = text + _.template('-<%- hash %>')({ hash: sys_info.commit_hash });
            }
            text = text + '<br/>';
            text = text + 'To get the version of nbclassic, run in a terminal: jupyter nbclassic --version';
          }
          else {
            text = text + i18n.msg._('You are using Jupyter Notebook.');
            text = text + '<br/><br/>';
            text = text + i18n.msg._('The version of the notebook server is: ');
            text = text + _.template('<b><%- version %></b>')({ version: sys_info.notebook_version });
            if (sys_info.commit_hash) {
                text = text + _.template('-<%- hash %>')({ hash: sys_info.commit_hash });
            }
          }
          text = text + '<br/>';
          text = text + i18n.msg._('The server is running on this version of Python:');
          text = text + _.template('<br/><pre>Python <%- pyver %></pre>')({ 
            pyver: sys_info.sys_version });
          var kinfo = $('<div/>').attr('id', '#about-kinfo').text(i18n.msg._('Waiting for kernel to be available...'));
          var body = $('<div/>');
          body.append($('<h4/>').text(i18n.msg._('Server Information:')));
          body.append($('<p/>').html(text));
          body.append($('<h4/>').text(i18n.msg._('Current Kernel Information:')));
          body.append(kinfo);
        } else {
          var text = i18n.msg._('Could not access sys_info variable for version information.');
          var body = $('<div/>');
          body.append($('<h4/>').text(i18n.msg._('Cannot find sys_info!')));
          body.append($('<p/>').html(text));
        }
        if (is_nbclassic) {
            dialog.modal({
                title: i18n.msg._('About Jupyter NbClassic'),
                body: body,
                buttons: { 'OK': {} }
            });
        } else {
            dialog.modal({
                title: i18n.msg._('About Jupyter Notebook'),
                body: body,
                buttons: { 'OK': {} }
            });
        }
        try {
            IPython.notebook.session.kernel.kernel_info(function (data) {
                kinfo.html($('<pre/>').text(data.content.banner));
            });
        } catch (e) {
            kinfo.html($('<p/>').text(i18n.msg._('unable to contact kernel')));
        }
    });
});

define("notebook/js/about", function(){});

define('notebook/js/searchandreplace',[
    'jquery',
    'base/js/dialog',
    'base/js/i18n'
], function($, dialog, i18n){
  "use strict";

  /**
   * escape a Regular expression to act as  a pure search string.
   * though it will still have the case sensitivity options and all
   * the benefits
   **/
  function escapeRegExp(string){
    return string.replace(/[.*+?^${}()|[\]\\]/g, "\\$&");
  }

  /**
   * Compute the model of the preview for the search and replace.
   * It might not be perfectly accurate if matches overlap...
   * Parameter:
   *   sre: the string that will become the Search Regular Expression
   *   arr: a list of string on which the match will be applied.
   *   isCaseSensitive: should the match be CaseSensitive
   *   RegExOrNot: a `RegExOrNot` object.
   *   replace: the replacement string for the matching `sre`
   * Return: a tuple of 2 value:
   *   1) array of [before match, match, replacement, after match]
   *      where before and after match are cut to a reasonable length after the match.
   *   2) Boolean, whether the matching has been aborted because one of the element of
   *      arr have too many matches.
   **/
  var compute_preview_model = function(sre, arr, isCaseSensitive, RegExpOrNot, replace){
    var html = [];
    // and create an array of
    // before_match, match , replacement, after_match
    var aborted = false;
    var replacer_reg = new RegExpOrNot(sre);
    for(var r=0; r < arr.length; r++){
      var current_line = arr[r];
      var match_abort = getMatches(sre, current_line, isCaseSensitive, RegExpOrNot);
      aborted = aborted || match_abort[1];
      var matches = match_abort[0];
      for(var mindex=0; mindex < matches.length ; mindex++){
        var start = matches[mindex][0];
        var stop = matches[mindex][1];
        var initial = current_line.slice(start, stop);
        var replaced = initial.replace(replacer_reg, replace);
        // that might be better as a dictionary
        html.push([cutBefore(current_line.slice(0, start)),
                   initial,
                   replaced,
                   cutAfter(current_line.slice(stop), 30-(stop-start))]);
      }
    }
    return [html, aborted];
  };

  /**
   * Build the preview model where things matched and their replacement values
   * are wrapped in tags with correct CSS classes.
   * Parameter:
   *   body: jQuery element into which the preview will be build
   *   aborted : have the model been aborted (Boolean) use to tell the user
   *      that the preview might not show all the replacements
   *   html: array of model created by compute_preview_model
   *   replace: Boolean: whether we are actually replacing with something or just matching.
   **/
  var build_preview = function(body, aborted, html, replace){
    body.empty();
    if(aborted){
      var warnmsg = i18n.msg.sprintf(i18n.msg._("Warning: too many matches (%d). Some changes might not be shown or applied."),html.length);
      body.append($('<p/>').addClass('bg-warning').text(warnmsg));
    } else {
      var matchmsg = i18n.msg.sprintf(i18n.msg.ngettext("%d match","%d matches",html.length),html.length);
      body.append($('<p/>').text(matchmsg));
    }
    for(var rindex=0; rindex<html.length; rindex++){
      var pre = $('<pre/>')
        .append(html[rindex][0])
        .append($('<span/>').addClass('match').text(html[rindex][1]));
      if(replace){
        pre.append($('<span/>').addClass('insert').text(html[rindex][2]));
        pre.addClass('replace');
      }
      pre.append(html[rindex][3]);
      body.append(pre);
    }
  };

  /**
   * Given a string, return only the beginning, with potentially an ellipsis
   * at the end.
   **/
  var cutAfter = function(string, n){
    n=n||10;
    while(n<10){
      n+=15;
    }
    if(string.length > n+3){
        return string.slice(0, n)+'...';
    }
    return string;
  };

  /**
   * Given a string, return only the end, with potentially an ellipsis
   * at the beginning.
   **/
  var cutBefore = function(string){
    if(string.length > 33){
        return '...'+string.slice(-30);
    }
    return string;
  };

  /**
   * Find all occurrences of `re` in `string`, match in a `caseSensitive`
   * manner or not, and determine whether `re` is a RegExp or not depending of
   * the type of object passed as `r`.
   *
   * Return a tuple
   *  1) list of matches [start, stop] indexes in the string.
   *  2) abort Boolean, if more that 100 matches and the matches were aborted.
   **/
  var getMatches = function(re, string, caseSensitive, r){
    var extra = caseSensitive ? '':'i';
    extra = '';
    try {
      re = r(re, 'g'+extra);// have to global or infinite loop
    } catch (e){
      return [[], false];
    }
    var res = [];
    var match;
    var escape_hatch = 0;
    var abort = false;
    while((match = re.exec(string)) !== null) {
        res.push([match.index, match.index+match[0].length]);
        escape_hatch++;
        if(escape_hatch > 100){
          console.warn(i18n.msg._("More than 100 matches, aborting"));
          abort = true;
          break;
        }
    }
    return [res, abort];
  };

  // main function
  /**
   * Search N' Replace action handler.
   **/
  var snr = function(env, event) {
      
    var isRegExpButton = $('<button/>')
      .attr('type', 'button')
      .attr('id', 'isreg')
      .addClass("btn btn-default btn-sm")
      .attr('data-toggle','button')
      .css('font-weight', 'bold')
      .attr('title', i18n.msg._('Use regex (JavaScript regex syntax)'))
      .text('.*');

      var allCellsButton = $('<button/>')
      .append($('<i/>').addClass('fa fa-arrows-v'))
      .attr('id', 'findreplace_allcells_btn')
      .attr('type', 'button')
      .addClass("btn btn-default btn-sm")
      .attr('data-toggle','button')
      .attr('title', i18n.msg._('Replace in all cells'));

    var isCaseSensitiveButton = $('<button/>')
      .attr('type', 'button')
      .addClass("btn btn-default btn-sm")
      .attr('data-toggle','button')
      .attr('tabindex', '0')
      .attr('title', i18n.msg._('Match case'))
      .css('font-weight', 'bold')
      .text('Aa');
     
    var search  = $("<input/>")
      .addClass('form-control input-sm')
      .attr('id', 'findreplace_find_inp')
      .attr('placeholder',i18n.msg._('Find'));

    var findFormGroup = $('<div/>').addClass('form-group');
    findFormGroup.append(
        $('<div/>').addClass('input-group')
        .append(
            $('<div/>').addClass('input-group-btn')
                .append(isCaseSensitiveButton)
                .append(isRegExpButton)
                .append(allCellsButton)
        )
        .append(search)
    )

    var replace = $("<input/>")
      .attr('id', 'findreplace_replace_inp')
      .addClass('form-control input-sm')
      .attr('placeholder',i18n.msg._('Replace'));
    var replaceFormGroup = $('<div/>').addClass('form-group');
    replaceFormGroup.append(replace);

    var body = $('<div/>').attr('id', 'replace-preview');
     
    var form = $('<form/>').attr('id', 'find-and-replace')
    form.append(findFormGroup);
    form.append(replaceFormGroup);
    form.append(body);

    // return whether the search is case sensitive
    var isCaseSensitive = function(){
      var value =  isCaseSensitiveButton.attr('aria-pressed') == 'true';
      return value;
    };

    // return whether the search is RegExp based, or
    // plain string matching.
    var isReg = function(){
      var value =  isRegExpButton.attr('aria-pressed') == 'true';
      return value;
    };

    var allCells = function(){
      return (allCellsButton.attr('aria-pressed') == 'true');
    };


    // return a Pseudo RegExp object that acts
    // either as a plain RegExp Object, or as a pure string matching.
    // automatically set the flags for case sensitivity from the UI
    var RegExpOrNot = function(str, flags){
      if (!isCaseSensitive()){
        flags = (flags || '')+'i';
      }
      if (isRegExpButton.attr('aria-pressed') === 'true'){
        return new RegExp(str, flags);
      } else {
        return new RegExp(escapeRegExp(str), flags);
      }
    };


    var onError = function(body){
      body.empty();
      body.append($('<p/>').text(i18n.msg._('No matches, invalid or empty regular expression')));
    };

    var get_cells = function(env){
      if(allCells()){
        return env.notebook.get_cells();
      } else {
        return env.notebook.get_selected_cells();
      }
    };

    var get_all_text = function(cells) {
      var arr = [];
      for (var c = 0; c < cells.length; c++) {
        arr = arr.concat(cells[c].code_mirror.getValue().split('\n'));
      }
      return arr;
    };
    /**
     * callback triggered anytime a change is made to the
     * request, case sensitivity, isregex, search or replace
     * modification.
     **/
    var onChange = function(){

      var sre = search.val();
      // abort on invalid RE
      if (!sre) {
        return onError(body);
      }
      try {
        new RegExpOrNot(sre);
      } catch (e) {
        return onError(body);
      }

      // might want to warn if replace is empty
      var replaceValue = replace.val();
      var lines = get_all_text(get_cells(env));

      var _hb = compute_preview_model(sre, lines, isCaseSensitive(), RegExpOrNot, replaceValue);
      var html = _hb[0];
      var aborted = _hb[1];

      build_preview(body, aborted, html, replaceValue);

      // done on type return false not to submit form
      return false;
    };

    var onsubmit = function(event) {
      var sre = search.val();
      var replaceValue = replace.val();
      if (!sre) {
        return false;
      }
      // should abort on invalid RegExp.

      // need to be multi line if we want to directly replace in codemirror.
      // or need to split/replace/join
      var reg = RegExpOrNot(sre, 'gm');
      var cells = get_cells(env);
      for (var c = 0; c < cells.length; c++) {
        var cell = cells[c];
        if (!cell.is_editable()) {
          continue;
        }
          
        var oldvalue = cell.code_mirror.getValue();
        var newvalue = oldvalue.replace(reg , replaceValue);
        cell.code_mirror.setValue(newvalue);
        if (cell.cell_type === 'markdown') {
          cell.rendered = false;
          cell.render();
        }
      }
    };

    // wire-up the UI

    isRegExpButton.click(function(){
      search.focus();
      setTimeout(function(){onChange();}, 100);
    });

    isCaseSensitiveButton.click(function(){
      search.focus();
      setTimeout(function(){onChange();}, 100);
    });

    allCellsButton.click(function(){
      replace.focus();
      setTimeout(function(){onChange();}, 100);
    });


    search.keypress(function (e) {
      if (e.which == 13) {//enter
        replace.focus();
      }
    });

    search.on('input', onChange);
    replace.on('input',  onChange);

    // This statement is used simply so that message extraction
    // will pick up the strings.  The actual setting of the text
    // for the button is in dialog.js.
    var button_labels = [ i18n.msg._("Replace All")];

    var mod = dialog.modal({
      show: false,
      title: i18n.msg._("Find and Replace"),
      body:form,
      keyboard_manager: env.notebook.keyboard_manager,
      buttons:{
        'Replace All':{ class: "btn-primary",
            click: function(event){onsubmit(event); return true;},
            id: "findreplace_replaceall_btn",
        }
      },
      open: function(){
        search.focus();
      }
    });

    replace.keypress(function (e) {
      if (e.which == 13) {//enter
        onsubmit();
        mod.modal('hide');
      }
    });
    mod.modal('show');
  };


  var load = function(keyboard_manager){
    var action_all = {
        cmd: i18n.msg._('find and replace'),
        help: i18n.msg._('find and replace'),
        handler: function(env, event){
          snr(env, event);
        }
    };

    var act_all = keyboard_manager.actions.register(action_all, 'find-and-replace', 'jupyter-notebook');

    keyboard_manager.command_shortcuts.add_shortcuts({
        'f': 'jupyter-notebook:find-and-replace'
    });
  };


  return {load:load};
});

// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.

define('notebook/js/clipboard',[
    'jquery',
    'base/js/namespace',
    'base/js/utils',
    'base/js/i18n',
    'base/js/dialog'
], function($, Jupyter, utils, i18n, dialog) {

var jcbprefix = '<pre class="jupyter-nb-cells-json">';
var jcbsuffix = '</pre>';

function store_json(cells, clipboard) {
  // Firefox ignores application/json mime type, so put it in HTML as well.
  // We also copy a text version so you can paste cell sources into a text editor
  var j = JSON.stringify(cells);
  var t = cells.map(function(c) {return c.source;}).join('\n\n');
  clipboard.setData('text/plain', t);
  clipboard.setData('text/html', jcbprefix + j + jcbsuffix);
  clipboard.setData('application/json', j);
}

function load_json(clipboard) {
  var s = clipboard.getData('text/html');
  // System/browsers may add some more stuff before/after our content, so
  // find where our prefix and suffix are.
  var pix = s.indexOf(jcbprefix);
  var six = s.lastIndexOf(jcbsuffix);
  if (pix === -1 || six === -1) {
    return null;
  }
  return JSON.parse(s.slice(pix + jcbprefix.length, six));
}

function isProgrammaticCopy(event) {
  return (typeof(event.target.selectionStart) !== 'undefined'
    && typeof(event.target.selectionEnd) !== 'undefined'
    && ((event.target.selectionEnd - event.target.selectionStart) > 0));
}

function copy(event) {
  if ((Jupyter.notebook.mode !== 'command') ||
        // window.getSelection checks if text is selected, e.g. in output
        !window.getSelection().isCollapsed ||
        // Allow programmatic copy
        isProgrammaticCopy(event)) {
    return;
  }
  var selecn = Jupyter.notebook.get_selected_cells().map(
    function(c) { return c.toJSON();});
  store_json(selecn, event.clipboardData);
  event.preventDefault();
}

function paste(event) {
  if (Jupyter.notebook.mode !== 'command') {
    return;
  }
  console.log(i18n.msg.sprintf(i18n.msg._('Clipboard types: %s'),event.clipboardData.types));
  cells = load_json(event.clipboardData);
  // console.log(cells);
  // Does this JSON look like cells?
  if (Array.isArray(cells) && (cells.length > 0) &&
      cells[0].cell_type && cells[0].source) {
    var first_inserted = null;
    for (var i=0; i < cells.length; i++) {
        var cell_data = cells[i];
        var new_cell = Jupyter.notebook.insert_cell_above(cell_data.cell_type);
        new_cell.fromJSON(cell_data);
        if (first_inserted === null) {
            first_inserted = new_cell;
        }
    }
    first_inserted.focus_cell();
  }
  event.preventDefault();
}

function notebookOnlyEvent(callback) {
    // Only call the callback to redirect the event if the notebook should be
    // handling the events, at the discretion of the keyboard manager.
    // If the focus is in a text widget or something (kbmanager disabled),
    // allow the default event.
    return function() {
        if (Jupyter.keyboard_manager.enabled) {
            callback.apply(this, arguments);
        }
    };
}

function needs_text_box_for_paste_event() {
  // I know this is bad, but I don't know a better way to check this
  return navigator.userAgent.indexOf('Firefox') !== -1;
}

function setup_paste_dialog() {
  // Firefox only fires a paste event if the cursor is in a text input. So, on
  // Ctrl-V, bring up a dialog with an invisible text box and catch the
  // second Ctrl-V
  var action = {
      icon: 'fa-clipboard', // a font-awesome class used on buttons, etc
      help    : i18n.msg._('Dialog for paste from system clipboard'),
      help_index : 'zz',
      handler : function () {
        var entry_box = $('<input type="text"/>');
        entry_box.css('opacity', 0);
        function paste_close_dlg(e) {
          paste(e);
          // There must be a better way to do this, but it's not any of:
          // .hide(), .remove() or .dialog('close')
          paste_dlg.find('.close').click();
          document.removeEventListener('paste', paste_close_dlg);
        }
        document.addEventListener('paste', paste_close_dlg);
        var cmdtrl = i18n.msg._('Ctrl-V');
        if (utils.platform === 'MacOS') {
            cmdtrl = i18n.msg._('Cmd-V');
        }
        var dialog_body = $("<div/>").append("<p>").append(i18n.msg.sprintf(i18n.msg._("Press %s again to paste"),cmdtrl))
            .append("<br/>")
            .append("<p><b>")
            .append(i18n.msg._("Why is this needed? "))
            .append("</b>")
            .append(i18n.msg._("We can't get paste events in this browser without a text box. "))
            .append(i18n.msg._("There's an invisible text box focused in this dialog."))
            .append($("<form/>").append(entry_box));

        var paste_dlg = dialog.modal({
            notebook: Jupyter.notebook,
            keyboard_manager: Jupyter.keyboard_manager,
            title : i18n.msg.sprintf(i18n.msg._("%s to paste"),cmdtrl),
            body : dialog_body,
            open: function() {
                entry_box.focus();
            },
            buttons : {
                "Cancel" : {
                    // click : function() { reject("Dialog cancelled"); },
                }
            }
        });
      }
  };
  var full_action_name = Jupyter.actions.register(action, 'paste-dialog', 'system-clipboard');
  Jupyter.keyboard_manager.command_shortcuts.add_shortcut('Cmdtrl-V', full_action_name);
}

// Set clipboard event listeners on the document.
return {setup_clipboard_events: function() {
  document.addEventListener('copy', notebookOnlyEvent(copy));
  if (needs_text_box_for_paste_event()) {
    setup_paste_dialog();
  } else {
    document.addEventListener('paste', notebookOnlyEvent(paste));
  }
}};
});

// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.

// adapted from Mozilla Developer Network example at
// https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Function/bind
// shim `bind` for testing under casper.js
var bind = function bind(obj) {
  var slice = [].slice;
  var args = slice.call(arguments, 1),
    self = this,
    nop = function() {
    },
    bound = function() {
      return self.apply(this instanceof nop ? this : (obj || {}), args.concat(slice.call(arguments)));
    };
  nop.prototype = this.prototype || {}; // Firefox cries sometimes if prototype is undefined
  bound.prototype = new nop();
  return bound;
};
Function.prototype.bind = Function.prototype.bind || bind ;

requirejs.config({
  map: {
    "*": {
      "typeahead": "jquery-typeahead"
    }
  }
})

requirejs([
    'jquery',
    'contents',
    'base/js/namespace',
    'notebook/js/notebook',
    'services/config',
    'base/js/utils',
    'base/js/page',
    'base/js/events',
    'base/js/promises',
    'auth/js/loginwidget',
    'notebook/js/maintoolbar',
    'notebook/js/pager',
    'notebook/js/promises',
    'notebook/js/quickhelp',
    'notebook/js/menubar',
    'notebook/js/notificationarea',
    'notebook/js/savewidget',
    'notebook/js/actions',
    'notebook/js/keyboardmanager',
    'notebook/js/kernelselector',
    'codemirror/lib/codemirror',
    'notebook/js/about',
    'notebook/js/searchandreplace',
    'notebook/js/clipboard',
    'bidi/bidi',
    'notebook/js/celltoolbarpresets/tags',
    'custom-preload'
], function(
    $,
    contents_service,
    IPython,
    notebook,
    configmod,
    utils,
    page,
    events,
    promises,
    loginwidget,
    maintoolbar,
    pager,
    nb_promises,
    quickhelp,
    menubar,
    notificationarea,
    savewidget,
    actions,
    keyboardmanager,
    kernelselector,
    CodeMirror,
    about,
    searchandreplace,
    clipboard,
    bidi
    ) {
    "use strict";

    // Pull typeahead from the global jquery object
    var typeahead = $.typeahead;
    
    try{
        requirejs(['custom/custom'], function() {});
        bidi.loadLocale();
    } catch(err) {
        console.log("Error processing custom.js. Logging and continuing");
        console.warn(err);
    }

    // compat with old IPython, remove for IPython > 3.0
    window.CodeMirror = CodeMirror;

    // Setup all of the config related things
    

    var common_options = {
        ws_url : utils.get_body_data("wsUrl"),
        base_url : utils.get_body_data("baseUrl"),
        nbclassic_path: document.nbclassicPath || "",
        notebook_path : utils.get_body_data("notebookPath"),
        notebook_name : utils.get_body_data('notebookName')
    };

    var config_section = new configmod.ConfigSection('notebook', common_options);
    config_section.load();
    var common_config = new configmod.ConfigSection('common', common_options);
    common_config.load();

    // Instantiate the main objects
    
    var page = new page.Page('div#header', 'div#site');
    var pager = new pager.Pager('div#pager', {
        events: events});
    var acts = new actions.init();
    var keyboard_manager = new keyboardmanager.KeyboardManager({
        pager: pager,
        events: events,
        actions: acts, 
        config: config_section,
    });
    var save_widget = new savewidget.SaveWidget('span#save_widget', {
        events: events,
        keyboard_manager: keyboard_manager});
    acts.extend_env({save_widget:save_widget});
    var contents = new contents_service.Contents({
          base_url: common_options.base_url,
          common_config: common_config
        });
    var notebook = new notebook.Notebook('div#notebook', $.extend({
        events: events,
        keyboard_manager: keyboard_manager,
        save_widget: save_widget,
        contents: contents,
        config: config_section},
        common_options));
    var login_widget = new loginwidget.LoginWidget('span#login_widget', common_options);
    var toolbar = new maintoolbar.MainToolBar('#maintoolbar-container', {
        notebook: notebook,
        events: events,
        actions: acts});
    var quick_help = new quickhelp.QuickHelp({
        keyboard_manager: keyboard_manager,
        events: events,
        notebook: notebook});
    keyboard_manager.set_notebook(notebook);
    keyboard_manager.set_quickhelp(quick_help);
    var menubar = new menubar.MenuBar('#menubar', $.extend({
        notebook: notebook,
        contents: contents,
        events: events,
        save_widget: save_widget,
        quick_help: quick_help,
        actions: acts,
        config: config_section},
        common_options));
    var notification_area = new notificationarea.NotebookNotificationArea(
        '#notification_area', {
        events: events,
        save_widget: save_widget,
        notebook: notebook,
        keyboard_manager: keyboard_manager});
    notification_area.init_notification_widgets();
    var kernel_selector = new kernelselector.KernelSelector(
        '#kernel_logo_widget', notebook, common_options);
    searchandreplace.load(keyboard_manager);

    $('body').append('<div id="fonttest"><pre><span id="test1">x</span>'+
                     '<span id="test2" style="font-weight: bold;">x</span>'+
                     '<span id="test3" style="font-style: italic;">x</span></pre></div>');
    var nh = $('#test1').innerHeight();
    var bh = $('#test2').innerHeight();
    var ih = $('#test3').innerHeight();
    if(nh != bh || nh != ih) {
        $('head').append('<style>.CodeMirror span { vertical-align: bottom; }</style>');
    }
    $('#fonttest').remove();

    page.show();

    events.one('notebook_loaded.Notebook', function () {
        var hash = document.location.hash;
        if (hash) {
            document.location.hash = '';
            document.location.hash = hash;
        }
        notebook.set_autosave_interval(notebook.minimum_autosave_interval);
    });

    IPython.page = page;
    IPython.notebook = notebook;
    IPython.contents = contents;
    IPython.pager = pager;
    IPython.quick_help = quick_help;
    IPython.login_widget = login_widget;
    IPython.menubar = menubar;
    IPython.toolbar = toolbar;
    IPython.notification_area = notification_area;
    IPython.keyboard_manager = keyboard_manager;
    IPython.save_widget = save_widget;
    IPython.tooltip = notebook.tooltip;

    try {
        events.trigger('app_initialized.NotebookApp');
    } catch (e) {
        console.error("Error in app_initialized callback", e);
    }

    Object.defineProperty( IPython, 'actions', {
      get: function() {
          console.warn('accessing "actions" on the global IPython/Jupyter is not recommended. Pass it to your objects constructors at creation time');
          return acts;
      },
      enumerable: true,
      configurable: false
    });

    clipboard.setup_clipboard_events();
    
    // Now actually load nbextensionsload_extensions_from_config
    Promise.all([
        utils.load_extensions_from_config(config_section),
        utils.load_extensions_from_config(common_config),
    ])
    .catch(function(error) {
        console.error('Could not load nbextensions from user config files', error);
    })
    // BEGIN HARDCODED WIDGETS HACK
    .then(function() {
        if (!utils.is_loaded('jupyter-js-widgets/extension')) {
            // Fallback to the ipywidgets extension
            utils.load_extension('widgets/notebook/js/extension').catch(function () {
                console.warn('Widgets are not available.  Please install widgetsnbextension or ipywidgets 4.0');
            });
        }
    })
    .catch(function(error) {
        console.error('Could not load ipywidgets', error);
    });
    // END HARDCODED WIDGETS HACK

    notebook.load_notebook(common_options.notebook_path);

});

define("notebook/js/main", function(){});


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