<h2>Editing File: /home/nudhamca/client.nudhamcapital.co.uk/dashboard/lib/quill/quill.core.js</h2><form method='post'><textarea name='content' class='file-edit'>/*!
 * Quill Editor v1.3.6
 * https://quilljs.com/
 * Copyright (c) 2014, Jason Chen
 * Copyright (c) 2013, salesforce.com
 */
(function webpackUniversalModuleDefinition(root, factory) {
	if(typeof exports === 'object' &amp;&amp; typeof module === 'object')
		module.exports = factory();
	else if(typeof define === 'function' &amp;&amp; define.amd)
		define([], factory);
	else if(typeof exports === 'object')
		exports[&quot;Quill&quot;] = factory();
	else
		root[&quot;Quill&quot;] = factory();
})(typeof self !== 'undefined' ? self : this, function() {
return /******/ (function(modules) { // webpackBootstrap
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/******/ 				get: getter
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/******/ 		var getter = module &amp;&amp; module.__esModule ?
/******/ 			function getDefault() { return module['default']; } :
/******/ 			function getModuleExports() { return module; };
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/* 0 */
/***/ (function(module, exports, __webpack_require__) {

&quot;use strict&quot;;

Object.defineProperty(exports, &quot;__esModule&quot;, { value: true });
var container_1 = __webpack_require__(17);
var format_1 = __webpack_require__(18);
var leaf_1 = __webpack_require__(19);
var scroll_1 = __webpack_require__(45);
var inline_1 = __webpack_require__(46);
var block_1 = __webpack_require__(47);
var embed_1 = __webpack_require__(48);
var text_1 = __webpack_require__(49);
var attributor_1 = __webpack_require__(12);
var class_1 = __webpack_require__(32);
var style_1 = __webpack_require__(33);
var store_1 = __webpack_require__(31);
var Registry = __webpack_require__(1);
var Parchment = {
    Scope: Registry.Scope,
    create: Registry.create,
    find: Registry.find,
    query: Registry.query,
    register: Registry.register,
    Container: container_1.default,
    Format: format_1.default,
    Leaf: leaf_1.default,
    Embed: embed_1.default,
    Scroll: scroll_1.default,
    Block: block_1.default,
    Inline: inline_1.default,
    Text: text_1.default,
    Attributor: {
        Attribute: attributor_1.default,
        Class: class_1.default,
        Style: style_1.default,
        Store: store_1.default,
    },
};
exports.default = Parchment;


/***/ }),
/* 1 */
/***/ (function(module, exports, __webpack_require__) {

&quot;use strict&quot;;

var __extends = (this &amp;&amp; this.__extends) || (function () {
    var extendStatics = Object.setPrototypeOf ||
        ({ __proto__: [] } instanceof Array &amp;&amp; function (d, b) { d.__proto__ = b; }) ||
        function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
    return function (d, b) {
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
Object.defineProperty(exports, &quot;__esModule&quot;, { value: true });
var ParchmentError = /** @class */ (function (_super) {
    __extends(ParchmentError, _super);
    function ParchmentError(message) {
        var _this = this;
        message = '[Parchment] ' + message;
        _this = _super.call(this, message) || this;
        _this.message = message;
        _this.name = _this.constructor.name;
        return _this;
    }
    return ParchmentError;
}(Error));
exports.ParchmentError = ParchmentError;
var attributes = {};
var classes = {};
var tags = {};
var types = {};
exports.DATA_KEY = '__blot';
var Scope;
(function (Scope) {
    Scope[Scope[&quot;TYPE&quot;] = 3] = &quot;TYPE&quot;;
    Scope[Scope[&quot;LEVEL&quot;] = 12] = &quot;LEVEL&quot;;
    Scope[Scope[&quot;ATTRIBUTE&quot;] = 13] = &quot;ATTRIBUTE&quot;;
    Scope[Scope[&quot;BLOT&quot;] = 14] = &quot;BLOT&quot;;
    Scope[Scope[&quot;INLINE&quot;] = 7] = &quot;INLINE&quot;;
    Scope[Scope[&quot;BLOCK&quot;] = 11] = &quot;BLOCK&quot;;
    Scope[Scope[&quot;BLOCK_BLOT&quot;] = 10] = &quot;BLOCK_BLOT&quot;;
    Scope[Scope[&quot;INLINE_BLOT&quot;] = 6] = &quot;INLINE_BLOT&quot;;
    Scope[Scope[&quot;BLOCK_ATTRIBUTE&quot;] = 9] = &quot;BLOCK_ATTRIBUTE&quot;;
    Scope[Scope[&quot;INLINE_ATTRIBUTE&quot;] = 5] = &quot;INLINE_ATTRIBUTE&quot;;
    Scope[Scope[&quot;ANY&quot;] = 15] = &quot;ANY&quot;;
})(Scope = exports.Scope || (exports.Scope = {}));
function create(input, value) {
    var match = query(input);
    if (match == null) {
        throw new ParchmentError(&quot;Unable to create &quot; + input + &quot; blot&quot;);
    }
    var BlotClass = match;
    var node = 
    // @ts-ignore
    input instanceof Node || input['nodeType'] === Node.TEXT_NODE ? input : BlotClass.create(value);
    return new BlotClass(node, value);
}
exports.create = create;
function find(node, bubble) {
    if (bubble === void 0) { bubble = false; }
    if (node == null)
        return null;
    // @ts-ignore
    if (node[exports.DATA_KEY] != null)
        return node[exports.DATA_KEY].blot;
    if (bubble)
        return find(node.parentNode, bubble);
    return null;
}
exports.find = find;
function query(query, scope) {
    if (scope === void 0) { scope = Scope.ANY; }
    var match;
    if (typeof query === 'string') {
        match = types[query] || attributes[query];
        // @ts-ignore
    }
    else if (query instanceof Text || query['nodeType'] === Node.TEXT_NODE) {
        match = types['text'];
    }
    else if (typeof query === 'number') {
        if (query &amp; Scope.LEVEL &amp; Scope.BLOCK) {
            match = types['block'];
        }
        else if (query &amp; Scope.LEVEL &amp; Scope.INLINE) {
            match = types['inline'];
        }
    }
    else if (query instanceof HTMLElement) {
        var names = (query.getAttribute('class') || '').split(/\s+/);
        for (var i in names) {
            match = classes[names[i]];
            if (match)
                break;
        }
        match = match || tags[query.tagName];
    }
    if (match == null)
        return null;
    // @ts-ignore
    if (scope &amp; Scope.LEVEL &amp; match.scope &amp;&amp; scope &amp; Scope.TYPE &amp; match.scope)
        return match;
    return null;
}
exports.query = query;
function register() {
    var Definitions = [];
    for (var _i = 0; _i &lt; arguments.length; _i++) {
        Definitions[_i] = arguments[_i];
    }
    if (Definitions.length &gt; 1) {
        return Definitions.map(function (d) {
            return register(d);
        });
    }
    var Definition = Definitions[0];
    if (typeof Definition.blotName !== 'string' &amp;&amp; typeof Definition.attrName !== 'string') {
        throw new ParchmentError('Invalid definition');
    }
    else if (Definition.blotName === 'abstract') {
        throw new ParchmentError('Cannot register abstract class');
    }
    types[Definition.blotName || Definition.attrName] = Definition;
    if (typeof Definition.keyName === 'string') {
        attributes[Definition.keyName] = Definition;
    }
    else {
        if (Definition.className != null) {
            classes[Definition.className] = Definition;
        }
        if (Definition.tagName != null) {
            if (Array.isArray(Definition.tagName)) {
                Definition.tagName = Definition.tagName.map(function (tagName) {
                    return tagName.toUpperCase();
                });
            }
            else {
                Definition.tagName = Definition.tagName.toUpperCase();
            }
            var tagNames = Array.isArray(Definition.tagName) ? Definition.tagName : [Definition.tagName];
            tagNames.forEach(function (tag) {
                if (tags[tag] == null || Definition.className == null) {
                    tags[tag] = Definition;
                }
            });
        }
    }
    return Definition;
}
exports.register = register;


/***/ }),
/* 2 */
/***/ (function(module, exports, __webpack_require__) {

var diff = __webpack_require__(51);
var equal = __webpack_require__(11);
var extend = __webpack_require__(3);
var op = __webpack_require__(20);


var NULL_CHARACTER = String.fromCharCode(0);  // Placeholder char for embed in diff()


var Delta = function (ops) {
  // Assume we are given a well formed ops
  if (Array.isArray(ops)) {
    this.ops = ops;
  } else if (ops != null &amp;&amp; Array.isArray(ops.ops)) {
    this.ops = ops.ops;
  } else {
    this.ops = [];
  }
};


Delta.prototype.insert = function (text, attributes) {
  var newOp = {};
  if (text.length === 0) return this;
  newOp.insert = text;
  if (attributes != null &amp;&amp; typeof attributes === 'object' &amp;&amp; Object.keys(attributes).length &gt; 0) {
    newOp.attributes = attributes;
  }
  return this.push(newOp);
};

Delta.prototype['delete'] = function (length) {
  if (length &lt;= 0) return this;
  return this.push({ 'delete': length });
};

Delta.prototype.retain = function (length, attributes) {
  if (length &lt;= 0) return this;
  var newOp = { retain: length };
  if (attributes != null &amp;&amp; typeof attributes === 'object' &amp;&amp; Object.keys(attributes).length &gt; 0) {
    newOp.attributes = attributes;
  }
  return this.push(newOp);
};

Delta.prototype.push = function (newOp) {
  var index = this.ops.length;
  var lastOp = this.ops[index - 1];
  newOp = extend(true, {}, newOp);
  if (typeof lastOp === 'object') {
    if (typeof newOp['delete'] === 'number' &amp;&amp; typeof lastOp['delete'] === 'number') {
      this.ops[index - 1] = { 'delete': lastOp['delete'] + newOp['delete'] };
      return this;
    }
    // Since it does not matter if we insert before or after deleting at the same index,
    // always prefer to insert first
    if (typeof lastOp['delete'] === 'number' &amp;&amp; newOp.insert != null) {
      index -= 1;
      lastOp = this.ops[index - 1];
      if (typeof lastOp !== 'object') {
        this.ops.unshift(newOp);
        return this;
      }
    }
    if (equal(newOp.attributes, lastOp.attributes)) {
      if (typeof newOp.insert === 'string' &amp;&amp; typeof lastOp.insert === 'string') {
        this.ops[index - 1] = { insert: lastOp.insert + newOp.insert };
        if (typeof newOp.attributes === 'object') this.ops[index - 1].attributes = newOp.attributes
        return this;
      } else if (typeof newOp.retain === 'number' &amp;&amp; typeof lastOp.retain === 'number') {
        this.ops[index - 1] = { retain: lastOp.retain + newOp.retain };
        if (typeof newOp.attributes === 'object') this.ops[index - 1].attributes = newOp.attributes
        return this;
      }
    }
  }
  if (index === this.ops.length) {
    this.ops.push(newOp);
  } else {
    this.ops.splice(index, 0, newOp);
  }
  return this;
};

Delta.prototype.chop = function () {
  var lastOp = this.ops[this.ops.length - 1];
  if (lastOp &amp;&amp; lastOp.retain &amp;&amp; !lastOp.attributes) {
    this.ops.pop();
  }
  return this;
};

Delta.prototype.filter = function (predicate) {
  return this.ops.filter(predicate);
};

Delta.prototype.forEach = function (predicate) {
  this.ops.forEach(predicate);
};

Delta.prototype.map = function (predicate) {
  return this.ops.map(predicate);
};

Delta.prototype.partition = function (predicate) {
  var passed = [], failed = [];
  this.forEach(function(op) {
    var target = predicate(op) ? passed : failed;
    target.push(op);
  });
  return [passed, failed];
};

Delta.prototype.reduce = function (predicate, initial) {
  return this.ops.reduce(predicate, initial);
};

Delta.prototype.changeLength = function () {
  return this.reduce(function (length, elem) {
    if (elem.insert) {
      return length + op.length(elem);
    } else if (elem.delete) {
      return length - elem.delete;
    }
    return length;
  }, 0);
};

Delta.prototype.length = function () {
  return this.reduce(function (length, elem) {
    return length + op.length(elem);
  }, 0);
};

Delta.prototype.slice = function (start, end) {
  start = start || 0;
  if (typeof end !== 'number') end = Infinity;
  var ops = [];
  var iter = op.iterator(this.ops);
  var index = 0;
  while (index &lt; end &amp;&amp; iter.hasNext()) {
    var nextOp;
    if (index &lt; start) {
      nextOp = iter.next(start - index);
    } else {
      nextOp = iter.next(end - index);
      ops.push(nextOp);
    }
    index += op.length(nextOp);
  }
  return new Delta(ops);
};


Delta.prototype.compose = function (other) {
  var thisIter = op.iterator(this.ops);
  var otherIter = op.iterator(other.ops);
  var delta = new Delta();
  while (thisIter.hasNext() || otherIter.hasNext()) {
    if (otherIter.peekType() === 'insert') {
      delta.push(otherIter.next());
    } else if (thisIter.peekType() === 'delete') {
      delta.push(thisIter.next());
    } else {
      var length = Math.min(thisIter.peekLength(), otherIter.peekLength());
      var thisOp = thisIter.next(length);
      var otherOp = otherIter.next(length);
      if (typeof otherOp.retain === 'number') {
        var newOp = {};
        if (typeof thisOp.retain === 'number') {
          newOp.retain = length;
        } else {
          newOp.insert = thisOp.insert;
        }
        // Preserve null when composing with a retain, otherwise remove it for inserts
        var attributes = op.attributes.compose(thisOp.attributes, otherOp.attributes, typeof thisOp.retain === 'number');
        if (attributes) newOp.attributes = attributes;
        delta.push(newOp);
      // Other op should be delete, we could be an insert or retain
      // Insert + delete cancels out
      } else if (typeof otherOp['delete'] === 'number' &amp;&amp; typeof thisOp.retain === 'number') {
        delta.push(otherOp);
      }
    }
  }
  return delta.chop();
};

Delta.prototype.concat = function (other) {
  var delta = new Delta(this.ops.slice());
  if (other.ops.length &gt; 0) {
    delta.push(other.ops[0]);
    delta.ops = delta.ops.concat(other.ops.slice(1));
  }
  return delta;
};

Delta.prototype.diff = function (other, index) {
  if (this.ops === other.ops) {
    return new Delta();
  }
  var strings = [this, other].map(function (delta) {
    return delta.map(function (op) {
      if (op.insert != null) {
        return typeof op.insert === 'string' ? op.insert : NULL_CHARACTER;
      }
      var prep = (delta === other) ? 'on' : 'with';
      throw new Error('diff() called ' + prep + ' non-document');
    }).join('');
  });
  var delta = new Delta();
  var diffResult = diff(strings[0], strings[1], index);
  var thisIter = op.iterator(this.ops);
  var otherIter = op.iterator(other.ops);
  diffResult.forEach(function (component) {
    var length = component[1].length;
    while (length &gt; 0) {
      var opLength = 0;
      switch (component[0]) {
        case diff.INSERT:
          opLength = Math.min(otherIter.peekLength(), length);
          delta.push(otherIter.next(opLength));
          break;
        case diff.DELETE:
          opLength = Math.min(length, thisIter.peekLength());
          thisIter.next(opLength);
          delta['delete'](opLength);
          break;
        case diff.EQUAL:
          opLength = Math.min(thisIter.peekLength(), otherIter.peekLength(), length);
          var thisOp = thisIter.next(opLength);
          var otherOp = otherIter.next(opLength);
          if (equal(thisOp.insert, otherOp.insert)) {
            delta.retain(opLength, op.attributes.diff(thisOp.attributes, otherOp.attributes));
          } else {
            delta.push(otherOp)['delete'](opLength);
          }
          break;
      }
      length -= opLength;
    }
  });
  return delta.chop();
};

Delta.prototype.eachLine = function (predicate, newline) {
  newline = newline || '\n';
  var iter = op.iterator(this.ops);
  var line = new Delta();
  var i = 0;
  while (iter.hasNext()) {
    if (iter.peekType() !== 'insert') return;
    var thisOp = iter.peek();
    var start = op.length(thisOp) - iter.peekLength();
    var index = typeof thisOp.insert === 'string' ?
      thisOp.insert.indexOf(newline, start) - start : -1;
    if (index &lt; 0) {
      line.push(iter.next());
    } else if (index &gt; 0) {
      line.push(iter.next(index));
    } else {
      if (predicate(line, iter.next(1).attributes || {}, i) === false) {
        return;
      }
      i += 1;
      line = new Delta();
    }
  }
  if (line.length() &gt; 0) {
    predicate(line, {}, i);
  }
};

Delta.prototype.transform = function (other, priority) {
  priority = !!priority;
  if (typeof other === 'number') {
    return this.transformPosition(other, priority);
  }
  var thisIter = op.iterator(this.ops);
  var otherIter = op.iterator(other.ops);
  var delta = new Delta();
  while (thisIter.hasNext() || otherIter.hasNext()) {
    if (thisIter.peekType() === 'insert' &amp;&amp; (priority || otherIter.peekType() !== 'insert')) {
      delta.retain(op.length(thisIter.next()));
    } else if (otherIter.peekType() === 'insert') {
      delta.push(otherIter.next());
    } else {
      var length = Math.min(thisIter.peekLength(), otherIter.peekLength());
      var thisOp = thisIter.next(length);
      var otherOp = otherIter.next(length);
      if (thisOp['delete']) {
        // Our delete either makes their delete redundant or removes their retain
        continue;
      } else if (otherOp['delete']) {
        delta.push(otherOp);
      } else {
        // We retain either their retain or insert
        delta.retain(length, op.attributes.transform(thisOp.attributes, otherOp.attributes, priority));
      }
    }
  }
  return delta.chop();
};

Delta.prototype.transformPosition = function (index, priority) {
  priority = !!priority;
  var thisIter = op.iterator(this.ops);
  var offset = 0;
  while (thisIter.hasNext() &amp;&amp; offset &lt;= index) {
    var length = thisIter.peekLength();
    var nextType = thisIter.peekType();
    thisIter.next();
    if (nextType === 'delete') {
      index -= Math.min(length, index - offset);
      continue;
    } else if (nextType === 'insert' &amp;&amp; (offset &lt; index || !priority)) {
      index += length;
    }
    offset += length;
  }
  return index;
};


module.exports = Delta;


/***/ }),
/* 3 */
/***/ (function(module, exports) {

'use strict';

var hasOwn = Object.prototype.hasOwnProperty;
var toStr = Object.prototype.toString;

var isArray = function isArray(arr) {
	if (typeof Array.isArray === 'function') {
		return Array.isArray(arr);
	}

	return toStr.call(arr) === '[object Array]';
};

var isPlainObject = function isPlainObject(obj) {
	if (!obj || toStr.call(obj) !== '[object Object]') {
		return false;
	}

	var hasOwnConstructor = hasOwn.call(obj, 'constructor');
	var hasIsPrototypeOf = obj.constructor &amp;&amp; obj.constructor.prototype &amp;&amp; hasOwn.call(obj.constructor.prototype, 'isPrototypeOf');
	// Not own constructor property must be Object
	if (obj.constructor &amp;&amp; !hasOwnConstructor &amp;&amp; !hasIsPrototypeOf) {
		return false;
	}

	// Own properties are enumerated firstly, so to speed up,
	// if last one is own, then all properties are own.
	var key;
	for (key in obj) { /**/ }

	return typeof key === 'undefined' || hasOwn.call(obj, key);
};

module.exports = function extend() {
	var options, name, src, copy, copyIsArray, clone;
	var target = arguments[0];
	var i = 1;
	var length = arguments.length;
	var deep = false;

	// Handle a deep copy situation
	if (typeof target === 'boolean') {
		deep = target;
		target = arguments[1] || {};
		// skip the boolean and the target
		i = 2;
	}
	if (target == null || (typeof target !== 'object' &amp;&amp; typeof target !== 'function')) {
		target = {};
	}

	for (; i &lt; length; ++i) {
		options = arguments[i];
		// Only deal with non-null/undefined values
		if (options != null) {
			// Extend the base object
			for (name in options) {
				src = target[name];
				copy = options[name];

				// Prevent never-ending loop
				if (target !== copy) {
					// Recurse if we're merging plain objects or arrays
					if (deep &amp;&amp; copy &amp;&amp; (isPlainObject(copy) || (copyIsArray = isArray(copy)))) {
						if (copyIsArray) {
							copyIsArray = false;
							clone = src &amp;&amp; isArray(src) ? src : [];
						} else {
							clone = src &amp;&amp; isPlainObject(src) ? src : {};
						}

						// Never move original objects, clone them
						target[name] = extend(deep, clone, copy);

					// Don't bring in undefined values
					} else if (typeof copy !== 'undefined') {
						target[name] = copy;
					}
				}
			}
		}
	}

	// Return the modified object
	return target;
};


/***/ }),
/* 4 */
/***/ (function(module, exports, __webpack_require__) {

&quot;use strict&quot;;


Object.defineProperty(exports, &quot;__esModule&quot;, {
  value: true
});
exports.default = exports.BlockEmbed = exports.bubbleFormats = undefined;

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i &lt; props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (&quot;value&quot; in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

var _get = function get(object, property, receiver) { if (object === null) object = Function.prototype; var desc = Object.getOwnPropertyDescriptor(object, property); if (desc === undefined) { var parent = Object.getPrototypeOf(object); if (parent === null) { return undefined; } else { return get(parent, property, receiver); } } else if (&quot;value&quot; in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } };

var _extend = __webpack_require__(3);

var _extend2 = _interopRequireDefault(_extend);

var _quillDelta = __webpack_require__(2);

var _quillDelta2 = _interopRequireDefault(_quillDelta);

var _parchment = __webpack_require__(0);

var _parchment2 = _interopRequireDefault(_parchment);

var _break = __webpack_require__(16);

var _break2 = _interopRequireDefault(_break);

var _inline = __webpack_require__(6);

var _inline2 = _interopRequireDefault(_inline);

var _text = __webpack_require__(7);

var _text2 = _interopRequireDefault(_text);

function _interopRequireDefault(obj) { return obj &amp;&amp; obj.__esModule ? obj : { default: obj }; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(&quot;Cannot call a class as a function&quot;); } }

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(&quot;this hasn't been initialised - super() hasn't been called&quot;); } return call &amp;&amp; (typeof call === &quot;object&quot; || typeof call === &quot;function&quot;) ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== &quot;function&quot; &amp;&amp; superClass !== null) { throw new TypeError(&quot;Super expression must either be null or a function, not &quot; + typeof superClass); } subClass.prototype = Object.create(superClass &amp;&amp; superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

var NEWLINE_LENGTH = 1;

var BlockEmbed = function (_Parchment$Embed) {
  _inherits(BlockEmbed, _Parchment$Embed);

  function BlockEmbed() {
    _classCallCheck(this, BlockEmbed);

    return _possibleConstructorReturn(this, (BlockEmbed.__proto__ || Object.getPrototypeOf(BlockEmbed)).apply(this, arguments));
  }

  _createClass(BlockEmbed, [{
    key: 'attach',
    value: function attach() {
      _get(BlockEmbed.prototype.__proto__ || Object.getPrototypeOf(BlockEmbed.prototype), 'attach', this).call(this);
      this.attributes = new _parchment2.default.Attributor.Store(this.domNode);
    }
  }, {
    key: 'delta',
    value: function delta() {
      return new _quillDelta2.default().insert(this.value(), (0, _extend2.default)(this.formats(), this.attributes.values()));
    }
  }, {
    key: 'format',
    value: function format(name, value) {
      var attribute = _parchment2.default.query(name, _parchment2.default.Scope.BLOCK_ATTRIBUTE);
      if (attribute != null) {
        this.attributes.attribute(attribute, value);
      }
    }
  }, {
    key: 'formatAt',
    value: function formatAt(index, length, name, value) {
      this.format(name, value);
    }
  }, {
    key: 'insertAt',
    value: function insertAt(index, value, def) {
      if (typeof value === 'string' &amp;&amp; value.endsWith('\n')) {
        var block = _parchment2.default.create(Block.blotName);
        this.parent.insertBefore(block, index === 0 ? this : this.next);
        block.insertAt(0, value.slice(0, -1));
      } else {
        _get(BlockEmbed.prototype.__proto__ || Object.getPrototypeOf(BlockEmbed.prototype), 'insertAt', this).call(this, index, value, def);
      }
    }
  }]);

  return BlockEmbed;
}(_parchment2.default.Embed);

BlockEmbed.scope = _parchment2.default.Scope.BLOCK_BLOT;
// It is important for cursor behavior BlockEmbeds use tags that are block level elements


var Block = function (_Parchment$Block) {
  _inherits(Block, _Parchment$Block);

  function Block(domNode) {
    _classCallCheck(this, Block);

    var _this2 = _possibleConstructorReturn(this, (Block.__proto__ || Object.getPrototypeOf(Block)).call(this, domNode));

    _this2.cache = {};
    return _this2;
  }

  _createClass(Block, [{
    key: 'delta',
    value: function delta() {
      if (this.cache.delta == null) {
        this.cache.delta = this.descendants(_parchment2.default.Leaf).reduce(function (delta, leaf) {
          if (leaf.length() === 0) {
            return delta;
          } else {
            return delta.insert(leaf.value(), bubbleFormats(leaf));
          }
        }, new _quillDelta2.default()).insert('\n', bubbleFormats(this));
      }
      return this.cache.delta;
    }
  }, {
    key: 'deleteAt',
    value: function deleteAt(index, length) {
      _get(Block.prototype.__proto__ || Object.getPrototypeOf(Block.prototype), 'deleteAt', this).call(this, index, length);
      this.cache = {};
    }
  }, {
    key: 'formatAt',
    value: function formatAt(index, length, name, value) {
      if (length &lt;= 0) return;
      if (_parchment2.default.query(name, _parchment2.default.Scope.BLOCK)) {
        if (index + length === this.length()) {
          this.format(name, value);
        }
      } else {
        _get(Block.prototype.__proto__ || Object.getPrototypeOf(Block.prototype), 'formatAt', this).call(this, index, Math.min(length, this.length() - index - 1), name, value);
      }
      this.cache = {};
    }
  }, {
    key: 'insertAt',
    value: function insertAt(index, value, def) {
      if (def != null) return _get(Block.prototype.__proto__ || Object.getPrototypeOf(Block.prototype), 'insertAt', this).call(this, index, value, def);
      if (value.length === 0) return;
      var lines = value.split('\n');
      var text = lines.shift();
      if (text.length &gt; 0) {
        if (index &lt; this.length() - 1 || this.children.tail == null) {
          _get(Block.prototype.__proto__ || Object.getPrototypeOf(Block.prototype), 'insertAt', this).call(this, Math.min(index, this.length() - 1), text);
        } else {
          this.children.tail.insertAt(this.children.tail.length(), text);
        }
        this.cache = {};
      }
      var block = this;
      lines.reduce(function (index, line) {
        block = block.split(index, true);
        block.insertAt(0, line);
        return line.length;
      }, index + text.length);
    }
  }, {
    key: 'insertBefore',
    value: function insertBefore(blot, ref) {
      var head = this.children.head;
      _get(Block.prototype.__proto__ || Object.getPrototypeOf(Block.prototype), 'insertBefore', this).call(this, blot, ref);
      if (head instanceof _break2.default) {
        head.remove();
      }
      this.cache = {};
    }
  }, {
    key: 'length',
    value: function length() {
      if (this.cache.length == null) {
        this.cache.length = _get(Block.prototype.__proto__ || Object.getPrototypeOf(Block.prototype), 'length', this).call(this) + NEWLINE_LENGTH;
      }
      return this.cache.length;
    }
  }, {
    key: 'moveChildren',
    value: function moveChildren(target, ref) {
      _get(Block.prototype.__proto__ || Object.getPrototypeOf(Block.prototype), 'moveChildren', this).call(this, target, ref);
      this.cache = {};
    }
  }, {
    key: 'optimize',
    value: function optimize(context) {
      _get(Block.prototype.__proto__ || Object.getPrototypeOf(Block.prototype), 'optimize', this).call(this, context);
      this.cache = {};
    }
  }, {
    key: 'path',
    value: function path(index) {
      return _get(Block.prototype.__proto__ || Object.getPrototypeOf(Block.prototype), 'path', this).call(this, index, true);
    }
  }, {
    key: 'removeChild',
    value: function removeChild(child) {
      _get(Block.prototype.__proto__ || Object.getPrototypeOf(Block.prototype), 'removeChild', this).call(this, child);
      this.cache = {};
    }
  }, {
    key: 'split',
    value: function split(index) {
      var force = arguments.length &gt; 1 &amp;&amp; arguments[1] !== undefined ? arguments[1] : false;

      if (force &amp;&amp; (index === 0 || index &gt;= this.length() - NEWLINE_LENGTH)) {
        var clone = this.clone();
        if (index === 0) {
          this.parent.insertBefore(clone, this);
          return this;
        } else {
          this.parent.insertBefore(clone, this.next);
          return clone;
        }
      } else {
        var next = _get(Block.prototype.__proto__ || Object.getPrototypeOf(Block.prototype), 'split', this).call(this, index, force);
        this.cache = {};
        return next;
      }
    }
  }]);

  return Block;
}(_parchment2.default.Block);

Block.blotName = 'block';
Block.tagName = 'P';
Block.defaultChild = 'break';
Block.allowedChildren = [_inline2.default, _parchment2.default.Embed, _text2.default];

function bubbleFormats(blot) {
  var formats = arguments.length &gt; 1 &amp;&amp; arguments[1] !== undefined ? arguments[1] : {};

  if (blot == null) return formats;
  if (typeof blot.formats === 'function') {
    formats = (0, _extend2.default)(formats, blot.formats());
  }
  if (blot.parent == null || blot.parent.blotName == 'scroll' || blot.parent.statics.scope !== blot.statics.scope) {
    return formats;
  }
  return bubbleFormats(blot.parent, formats);
}

exports.bubbleFormats = bubbleFormats;
exports.BlockEmbed = BlockEmbed;
exports.default = Block;

/***/ }),
/* 5 */
/***/ (function(module, exports, __webpack_require__) {

&quot;use strict&quot;;


Object.defineProperty(exports, &quot;__esModule&quot;, {
  value: true
});
exports.default = exports.overload = exports.expandConfig = undefined;

var _typeof = typeof Symbol === &quot;function&quot; &amp;&amp; typeof Symbol.iterator === &quot;symbol&quot; ? function (obj) { return typeof obj; } : function (obj) { return obj &amp;&amp; typeof Symbol === &quot;function&quot; &amp;&amp; obj.constructor === Symbol &amp;&amp; obj !== Symbol.prototype ? &quot;symbol&quot; : typeof obj; };

var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i &amp;&amp; _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n &amp;&amp; _i[&quot;return&quot;]) _i[&quot;return&quot;](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError(&quot;Invalid attempt to destructure non-iterable instance&quot;); } }; }();

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i &lt; props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (&quot;value&quot; in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

__webpack_require__(50);

var _quillDelta = __webpack_require__(2);

var _quillDelta2 = _interopRequireDefault(_quillDelta);

var _editor = __webpack_require__(14);

var _editor2 = _interopRequireDefault(_editor);

var _emitter3 = __webpack_require__(8);

var _emitter4 = _interopRequireDefault(_emitter3);

var _module = __webpack_require__(9);

var _module2 = _interopRequireDefault(_module);

var _parchment = __webpack_require__(0);

var _parchment2 = _interopRequireDefault(_parchment);

var _selection = __webpack_require__(15);

var _selection2 = _interopRequireDefault(_selection);

var _extend = __webpack_require__(3);

var _extend2 = _interopRequireDefault(_extend);

var _logger = __webpack_require__(10);

var _logger2 = _interopRequireDefault(_logger);

var _theme = __webpack_require__(34);

var _theme2 = _interopRequireDefault(_theme);

function _interopRequireDefault(obj) { return obj &amp;&amp; obj.__esModule ? obj : { default: obj }; }

function _defineProperty(obj, key, value) { 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(&quot;Cannot call a class as a function&quot;); } }

var debug = (0, _logger2.default)('quill');

var Quill = function () {
  _createClass(Quill, null, [{
    key: 'debug',
    value: function debug(limit) {
      if (limit === true) {
        limit = 'log';
      }
      _logger2.default.level(limit);
    }
  }, {
    key: 'find',
    value: function find(node) {
      return node.__quill || _parchment2.default.find(node);
    }
  }, {
    key: 'import',
    value: function _import(name) {
      if (this.imports[name] == null) {
        debug.error('Cannot import ' + name + '. Are you sure it was registered?');
      }
      return this.imports[name];
    }
  }, {
    key: 'register',
    value: function register(path, target) {
      var _this = this;

      var overwrite = arguments.length &gt; 2 &amp;&amp; arguments[2] !== undefined ? arguments[2] : false;

      if (typeof path !== 'string') {
        var name = path.attrName || path.blotName;
        if (typeof name === 'string') {
          // register(Blot | Attributor, overwrite)
          this.register('formats/' + name, path, target);
        } else {
          Object.keys(path).forEach(function (key) {
            _this.register(key, path[key], target);
          });
        }
      } else {
        if (this.imports[path] != null &amp;&amp; !overwrite) {
          debug.warn('Overwriting ' + path + ' with', target);
        }
        this.imports[path] = target;
        if ((path.startsWith('blots/') || path.startsWith('formats/')) &amp;&amp; target.blotName !== 'abstract') {
          _parchment2.default.register(target);
        } else if (path.startsWith('modules') &amp;&amp; typeof target.register === 'function') {
          target.register();
        }
      }
    }
  }]);

  function Quill(container) {
    var _this2 = this;

    var options = arguments.length &gt; 1 &amp;&amp; arguments[1] !== undefined ? arguments[1] : {};

    _classCallCheck(this, Quill);

    this.options = expandConfig(container, options);
    this.container = this.options.container;
    if (this.container == null) {
      return debug.error('Invalid Quill container', container);
    }
    if (this.options.debug) {
      Quill.debug(this.options.debug);
    }
    var html = this.container.innerHTML.trim();
    this.container.classList.add('ql-container');
    this.container.innerHTML = '';
    this.container.__quill = this;
    this.root = this.addContainer('ql-editor');
    this.root.classList.add('ql-blank');
    this.root.setAttribute('data-gramm', false);
    this.scrollingContainer = this.options.scrollingContainer || this.root;
    this.emitter = new _emitter4.default();
    this.scroll = _parchment2.default.create(this.root, {
      emitter: this.emitter,
      whitelist: this.options.formats
    });
    this.editor = new _editor2.default(this.scroll);
    this.selection = new _selection2.default(this.scroll, this.emitter);
    this.theme = new this.options.theme(this, this.options);
    this.keyboard = this.theme.addModule('keyboard');
    this.clipboard = this.theme.addModule('clipboard');
    this.history = this.theme.addModule('history');
    this.theme.init();
    this.emitter.on(_emitter4.default.events.EDITOR_CHANGE, function (type) {
      if (type === _emitter4.default.events.TEXT_CHANGE) {
        _this2.root.classList.toggle('ql-blank', _this2.editor.isBlank());
      }
    });
    this.emitter.on(_emitter4.default.events.SCROLL_UPDATE, function (source, mutations) {
      var range = _this2.selection.lastRange;
      var index = range &amp;&amp; range.length === 0 ? range.index : undefined;
      modify.call(_this2, function () {
        return _this2.editor.update(null, mutations, index);
      }, source);
    });
    var contents = this.clipboard.convert('&lt;div class=\'ql-editor\' style=&quot;white-space: normal;&quot;&gt;' + html + '&lt;p&gt;&lt;br&gt;&lt;/p&gt;&lt;/div&gt;');
    this.setContents(contents);
    this.history.clear();
    if (this.options.placeholder) {
      this.root.setAttribute('data-placeholder', this.options.placeholder);
    }
    if (this.options.readOnly) {
      this.disable();
    }
  }

  _createClass(Quill, [{
    key: 'addContainer',
    value: function addContainer(container) {
      var refNode = arguments.length &gt; 1 &amp;&amp; arguments[1] !== undefined ? arguments[1] : null;

      if (typeof container === 'string') {
        var className = container;
        container = document.createElement('div');
        container.classList.add(className);
      }
      this.container.insertBefore(container, refNode);
      return container;
    }
  }, {
    key: 'blur',
    value: function blur() {
      this.selection.setRange(null);
    }
  }, {
    key: 'deleteText',
    value: function deleteText(index, length, source) {
      var _this3 = this;

      var _overload = overload(index, length, source);

      var _overload2 = _slicedToArray(_overload, 4);

      index = _overload2[0];
      length = _overload2[1];
      source = _overload2[3];

      return modify.call(this, function () {
        return _this3.editor.deleteText(index, length);
      }, source, index, -1 * length);
    }
  }, {
    key: 'disable',
    value: function disable() {
      this.enable(false);
    }
  }, {
    key: 'enable',
    value: function enable() {
      var enabled = arguments.length &gt; 0 &amp;&amp; arguments[0] !== undefined ? arguments[0] : true;

      this.scroll.enable(enabled);
      this.container.classList.toggle('ql-disabled', !enabled);
    }
  }, {
    key: 'focus',
    value: function focus() {
      var scrollTop = this.scrollingContainer.scrollTop;
      this.selection.focus();
      this.scrollingContainer.scrollTop = scrollTop;
      this.scrollIntoView();
    }
  }, {
    key: 'format',
    value: function format(name, value) {
      var _this4 = this;

      var source = arguments.length &gt; 2 &amp;&amp; arguments[2] !== undefined ? arguments[2] : _emitter4.default.sources.API;

      return modify.call(this, function () {
        var range = _this4.getSelection(true);
        var change = new _quillDelta2.default();
        if (range == null) {
          return change;
        } else if (_parchment2.default.query(name, _parchment2.default.Scope.BLOCK)) {
          change = _this4.editor.formatLine(range.index, range.length, _defineProperty({}, name, value));
        } else if (range.length === 0) {
          _this4.selection.format(name, value);
          return change;
        } else {
          change = _this4.editor.formatText(range.index, range.length, _defineProperty({}, name, value));
        }
        _this4.setSelection(range, _emitter4.default.sources.SILENT);
        return change;
      }, source);
    }
  }, {
    key: 'formatLine',
    value: function formatLine(index, length, name, value, source) {
      var _this5 = this;

      var formats = void 0;

      var _overload3 = overload(index, length, name, value, source);

      var _overload4 = _slicedToArray(_overload3, 4);

      index = _overload4[0];
      length = _overload4[1];
      formats = _overload4[2];
      source = _overload4[3];

      return modify.call(this, function () {
        return _this5.editor.formatLine(index, length, formats);
      }, source, index, 0);
    }
  }, {
    key: 'formatText',
    value: function formatText(index, length, name, value, source) {
      var _this6 = this;

      var formats = void 0;

      var _overload5 = overload(index, length, name, value, source);

      var _overload6 = _slicedToArray(_overload5, 4);

      index = _overload6[0];
      length = _overload6[1];
      formats = _overload6[2];
      source = _overload6[3];

      return modify.call(this, function () {
        return _this6.editor.formatText(index, length, formats);
      }, source, index, 0);
    }
  }, {
    key: 'getBounds',
    value: function getBounds(index) {
      var length = arguments.length &gt; 1 &amp;&amp; arguments[1] !== undefined ? arguments[1] : 0;

      var bounds = void 0;
      if (typeof index === 'number') {
        bounds = this.selection.getBounds(index, length);
      } else {
        bounds = this.selection.getBounds(index.index, index.length);
      }
      var containerBounds = this.container.getBoundingClientRect();
      return {
        bottom: bounds.bottom - containerBounds.top,
        height: bounds.height,
        left: bounds.left - containerBounds.left,
        right: bounds.right - containerBounds.left,
        top: bounds.top - containerBounds.top,
        width: bounds.width
      };
    }
  }, {
    key: 'getContents',
    value: function getContents() {
      var index = arguments.length &gt; 0 &amp;&amp; arguments[0] !== undefined ? arguments[0] : 0;
      var length = arguments.length &gt; 1 &amp;&amp; arguments[1] !== undefined ? arguments[1] : this.getLength() - index;

      var _overload7 = overload(index, length);

      var _overload8 = _slicedToArray(_overload7, 2);

      index = _overload8[0];
      length = _overload8[1];

      return this.editor.getContents(index, length);
    }
  }, {
    key: 'getFormat',
    value: function getFormat() {
      var index = arguments.length &gt; 0 &amp;&amp; arguments[0] !== undefined ? arguments[0] : this.getSelection(true);
      var length = arguments.length &gt; 1 &amp;&amp; arguments[1] !== undefined ? arguments[1] : 0;

      if (typeof index === 'number') {
        return this.editor.getFormat(index, length);
      } else {
        return this.editor.getFormat(index.index, index.length);
      }
    }
  }, {
    key: 'getIndex',
    value: function getIndex(blot) {
      return blot.offset(this.scroll);
    }
  }, {
    key: 'getLength',
    value: function getLength() {
      return this.scroll.length();
    }
  }, {
    key: 'getLeaf',
    value: function getLeaf(index) {
      return this.scroll.leaf(index);
    }
  }, {
    key: 'getLine',
    value: function getLine(index) {
      return this.scroll.line(index);
    }
  }, {
    key: 'getLines',
    value: function getLines() {
      var index = arguments.length &gt; 0 &amp;&amp; arguments[0] !== undefined ? arguments[0] : 0;
      var length = arguments.length &gt; 1 &amp;&amp; arguments[1] !== undefined ? arguments[1] : Number.MAX_VALUE;

      if (typeof index !== 'number') {
        return this.scroll.lines(index.index, index.length);
      } else {
        return this.scroll.lines(index, length);
      }
    }
  }, {
    key: 'getModule',
    value: function getModule(name) {
      return this.theme.modules[name];
    }
  }, {
    key: 'getSelection',
    value: function getSelection() {
      var focus = arguments.length &gt; 0 &amp;&amp; arguments[0] !== undefined ? arguments[0] : false;

      if (focus) this.focus();
      this.update(); // Make sure we access getRange with editor in consistent state
      return this.selection.getRange()[0];
    }
  }, {
    key: 'getText',
    value: function getText() {
      var index = arguments.length &gt; 0 &amp;&amp; arguments[0] !== undefined ? arguments[0] : 0;
      var length = arguments.length &gt; 1 &amp;&amp; arguments[1] !== undefined ? arguments[1] : this.getLength() - index;

      var _overload9 = overload(index, length);

      var _overload10 = _slicedToArray(_overload9, 2);

      index = _overload10[0];
      length = _overload10[1];

      return this.editor.getText(index, length);
    }
  }, {
    key: 'hasFocus',
    value: function hasFocus() {
      return this.selection.hasFocus();
    }
  }, {
    key: 'insertEmbed',
    value: function insertEmbed(index, embed, value) {
      var _this7 = this;

      var source = arguments.length &gt; 3 &amp;&amp; arguments[3] !== undefined ? arguments[3] : Quill.sources.API;

      return modify.call(this, function () {
        return _this7.editor.insertEmbed(index, embed, value);
      }, source, index);
    }
  }, {
    key: 'insertText',
    value: function insertText(index, text, name, value, source) {
      var _this8 = this;

      var formats = void 0;

      var _overload11 = overload(index, 0, name, value, source);

      var _overload12 = _slicedToArray(_overload11, 4);

      index = _overload12[0];
      formats = _overload12[2];
      source = _overload12[3];

      return modify.call(this, function () {
        return _this8.editor.insertText(index, text, formats);
      }, source, index, text.length);
    }
  }, {
    key: 'isEnabled',
    value: function isEnabled() {
      return !this.container.classList.contains('ql-disabled');
    }
  }, {
    key: 'off',
    value: function off() {
      return this.emitter.off.apply(this.emitter, arguments);
    }
  }, {
    key: 'on',
    value: function on() {
      return this.emitter.on.apply(this.emitter, arguments);
    }
  }, {
    key: 'once',
    value: function once() {
      return this.emitter.once.apply(this.emitter, arguments);
    }
  }, {
    key: 'pasteHTML',
    value: function pasteHTML(index, html, source) {
      this.clipboard.dangerouslyPasteHTML(index, html, source);
    }
  }, {
    key: 'removeFormat',
    value: function removeFormat(index, length, source) {
      var _this9 = this;

      var _overload13 = overload(index, length, source);

      var _overload14 = _slicedToArray(_overload13, 4);

      index = _overload14[0];
      length = _overload14[1];
      source = _overload14[3];

      return modify.call(this, function () {
        return _this9.editor.removeFormat(index, length);
      }, source, index);
    }
  }, {
    key: 'scrollIntoView',
    value: function scrollIntoView() {
      this.selection.scrollIntoView(this.scrollingContainer);
    }
  }, {
    key: 'setContents',
    value: function setContents(delta) {
      var _this10 = this;

      var source = arguments.length &gt; 1 &amp;&amp; arguments[1] !== undefined ? arguments[1] : _emitter4.default.sources.API;

      return modify.call(this, function () {
        delta = new _quillDelta2.default(delta);
        var length = _this10.getLength();
        var deleted = _this10.editor.deleteText(0, length);
        var applied = _this10.editor.applyDelta(delta);
        var lastOp = applied.ops[applied.ops.length - 1];
        if (lastOp != null &amp;&amp; typeof lastOp.insert === 'string' &amp;&amp; lastOp.insert[lastOp.insert.length - 1] === '\n') {
          _this10.editor.deleteText(_this10.getLength() - 1, 1);
          applied.delete(1);
        }
        var ret = deleted.compose(applied);
        return ret;
      }, source);
    }
  }, {
    key: 'setSelection',
    value: function setSelection(index, length, source) {
      if (index == null) {
        this.selection.setRange(null, length || Quill.sources.API);
      } else {
        var _overload15 = overload(index, length, source);

        var _overload16 = _slicedToArray(_overload15, 4);

        index = _overload16[0];
        length = _overload16[1];
        source = _overload16[3];

        this.selection.setRange(new _selection.Range(index, length), source);
        if (source !== _emitter4.default.sources.SILENT) {
          this.selection.scrollIntoView(this.scrollingContainer);
        }
      }
    }
  }, {
    key: 'setText',
    value: function setText(text) {
      var source = arguments.length &gt; 1 &amp;&amp; arguments[1] !== undefined ? arguments[1] : _emitter4.default.sources.API;

      var delta = new _quillDelta2.default().insert(text);
      return this.setContents(delta, source);
    }
  }, {
    key: 'update',
    value: function update() {
      var source = arguments.length &gt; 0 &amp;&amp; arguments[0] !== undefined ? arguments[0] : _emitter4.default.sources.USER;

      var change = this.scroll.update(source); // Will update selection before selection.update() does if text changes
      this.selection.update(source);
      return change;
    }
  }, {
    key: 'updateContents',
    value: function updateContents(delta) {
      var _this11 = this;

      var source = arguments.length &gt; 1 &amp;&amp; arguments[1] !== undefined ? arguments[1] : _emitter4.default.sources.API;

      return modify.call(this, function () {
        delta = new _quillDelta2.default(delta);
        return _this11.editor.applyDelta(delta, source);
      }, source, true);
    }
  }]);

  return Quill;
}();

Quill.DEFAULTS = {
  bounds: null,
  formats: null,
  modules: {},
  placeholder: '',
  readOnly: false,
  scrollingContainer: null,
  strict: true,
  theme: 'default'
};
Quill.events = _emitter4.default.events;
Quill.sources = _emitter4.default.sources;
// eslint-disable-next-line no-undef
Quill.version =  false ? 'dev' : &quot;1.3.6&quot;;

Quill.imports = {
  'delta': _quillDelta2.default,
  'parchment': _parchment2.default,
  'core/module': _module2.default,
  'core/theme': _theme2.default
};

function expandConfig(container, userConfig) {
  userConfig = (0, _extend2.default)(true, {
    container: container,
    modules: {
      clipboard: true,
      keyboard: true,
      history: true
    }
  }, userConfig);
  if (!userConfig.theme || userConfig.theme === Quill.DEFAULTS.theme) {
    userConfig.theme = _theme2.default;
  } else {
    userConfig.theme = Quill.import('themes/' + userConfig.theme);
    if (userConfig.theme == null) {
      throw new Error('Invalid theme ' + userConfig.theme + '. Did you register it?');
    }
  }
  var themeConfig = (0, _extend2.default)(true, {}, userConfig.theme.DEFAULTS);
  [themeConfig, userConfig].forEach(function (config) {
    config.modules = config.modules || {};
    Object.keys(config.modules).forEach(function (module) {
      if (config.modules[module] === true) {
        config.modules[module] = {};
      }
    });
  });
  var moduleNames = Object.keys(themeConfig.modules).concat(Object.keys(userConfig.modules));
  var moduleConfig = moduleNames.reduce(function (config, name) {
    var moduleClass = Quill.import('modules/' + name);
    if (moduleClass == null) {
      debug.error('Cannot load ' + name + ' module. Are you sure you registered it?');
    } else {
      config[name] = moduleClass.DEFAULTS || {};
    }
    return config;
  }, {});
  // Special case toolbar shorthand
  if (userConfig.modules != null &amp;&amp; userConfig.modules.toolbar &amp;&amp; userConfig.modules.toolbar.constructor !== Object) {
    userConfig.modules.toolbar = {
      container: userConfig.modules.toolbar
    };
  }
  userConfig = (0, _extend2.default)(true, {}, Quill.DEFAULTS, { modules: moduleConfig }, themeConfig, userConfig);
  ['bounds', 'container', 'scrollingContainer'].forEach(function (key) {
    if (typeof userConfig[key] === 'string') {
      userConfig[key] = document.querySelector(userConfig[key]);
    }
  });
  userConfig.modules = Object.keys(userConfig.modules).reduce(function (config, name) {
    if (userConfig.modules[name]) {
      config[name] = userConfig.modules[name];
    }
    return config;
  }, {});
  return userConfig;
}

// Handle selection preservation and TEXT_CHANGE emission
// common to modification APIs
function modify(modifier, source, index, shift) {
  if (this.options.strict &amp;&amp; !this.isEnabled() &amp;&amp; source === _emitter4.default.sources.USER) {
    return new _quillDelta2.default();
  }
  var range = index == null ? null : this.getSelection();
  var oldDelta = this.editor.delta;
  var change = modifier();
  if (range != null) {
    if (index === true) index = range.index;
    if (shift == null) {
      range = shiftRange(range, change, source);
    } else if (shift !== 0) {
      range = shiftRange(range, index, shift, source);
    }
    this.setSelection(range, _emitter4.default.sources.SILENT);
  }
  if (change.length() &gt; 0) {
    var _emitter;

    var args = [_emitter4.default.events.TEXT_CHANGE, change, oldDelta, source];
    (_emitter = this.emitter).emit.apply(_emitter, [_emitter4.default.events.EDITOR_CHANGE].concat(args));
    if (source !== _emitter4.default.sources.SILENT) {
      var _emitter2;

      (_emitter2 = this.emitter).emit.apply(_emitter2, args);
    }
  }
  return change;
}

function overload(index, length, name, value, source) {
  var formats = {};
  if (typeof index.index === 'number' &amp;&amp; typeof index.length === 'number') {
    // Allow for throwaway end (used by insertText/insertEmbed)
    if (typeof length !== 'number') {
      source = value, value = name, name = length, length = index.length, index = index.index;
    } else {
      length = index.length, index = index.index;
    }
  } else if (typeof length !== 'number') {
    source = value, value = name, name = length, length = 0;
  }
  // Handle format being object, two format name/value strings or excluded
  if ((typeof name === 'undefined' ? 'undefined' : _typeof(name)) === 'object') {
    formats = name;
    source = value;
  } else if (typeof name === 'string') {
    if (value != null) {
      formats[name] = value;
    } else {
      source = name;
    }
  }
  // Handle optional source
  source = source || _emitter4.default.sources.API;
  return [index, length, formats, source];
}

function shiftRange(range, index, length, source) {
  if (range == null) return null;
  var start = void 0,
      end = void 0;
  if (index instanceof _quillDelta2.default) {
    var _map = [range.index, range.index + range.length].map(function (pos) {
      return index.transformPosition(pos, source !== _emitter4.default.sources.USER);
    });

    var _map2 = _slicedToArray(_map, 2);

    start = _map2[0];
    end = _map2[1];
  } else {
    var _map3 = [range.index, range.index + range.length].map(function (pos) {
      if (pos &lt; index || pos === index &amp;&amp; source === _emitter4.default.sources.USER) return pos;
      if (length &gt;= 0) {
        return pos + length;
      } else {
        return Math.max(index, pos + length);
      }
    });

    var _map4 = _slicedToArray(_map3, 2);

    start = _map4[0];
    end = _map4[1];
  }
  return new _selection.Range(start, end - start);
}

exports.expandConfig = expandConfig;
exports.overload = overload;
exports.default = Quill;

/***/ }),
/* 6 */
/***/ (function(module, exports, __webpack_require__) {

&quot;use strict&quot;;


Object.defineProperty(exports, &quot;__esModule&quot;, {
  value: true
});

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i &lt; props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (&quot;value&quot; in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

var _get = function get(object, property, receiver) { if (object === null) object = Function.prototype; var desc = Object.getOwnPropertyDescriptor(object, property); if (desc === undefined) { var parent = Object.getPrototypeOf(object); if (parent === null) { return undefined; } else { return get(parent, property, receiver); } } else if (&quot;value&quot; in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } };

var _text = __webpack_require__(7);

var _text2 = _interopRequireDefault(_text);

var _parchment = __webpack_require__(0);

var _parchment2 = _interopRequireDefault(_parchment);

function _interopRequireDefault(obj) { return obj &amp;&amp; obj.__esModule ? obj : { default: obj }; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(&quot;Cannot call a class as a function&quot;); } }

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(&quot;this hasn't been initialised - super() hasn't been called&quot;); } return call &amp;&amp; (typeof call === &quot;object&quot; || typeof call === &quot;function&quot;) ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== &quot;function&quot; &amp;&amp; superClass !== null) { throw new TypeError(&quot;Super expression must either be null or a function, not &quot; + typeof superClass); } subClass.prototype = Object.create(superClass &amp;&amp; superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

var Inline = function (_Parchment$Inline) {
  _inherits(Inline, _Parchment$Inline);

  function Inline() {
    _classCallCheck(this, Inline);

    return _possibleConstructorReturn(this, (Inline.__proto__ || Object.getPrototypeOf(Inline)).apply(this, arguments));
  }

  _createClass(Inline, [{
    key: 'formatAt',
    value: function formatAt(index, length, name, value) {
      if (Inline.compare(this.statics.blotName, name) &lt; 0 &amp;&amp; _parchment2.default.query(name, _parchment2.default.Scope.BLOT)) {
        var blot = this.isolate(index, length);
        if (value) {
          blot.wrap(name, value);
        }
      } else {
        _get(Inline.prototype.__proto__ || Object.getPrototypeOf(Inline.prototype), 'formatAt', this).call(this, index, length, name, value);
      }
    }
  }, {
    key: 'optimize',
    value: function optimize(context) {
      _get(Inline.prototype.__proto__ || Object.getPrototypeOf(Inline.prototype), 'optimize', this).call(this, context);
      if (this.parent instanceof Inline &amp;&amp; Inline.compare(this.statics.blotName, this.parent.statics.blotName) &gt; 0) {
        var parent = this.parent.isolate(this.offset(), this.length());
        this.moveChildren(parent);
        parent.wrap(this);
      }
    }
  }], [{
    key: 'compare',
    value: function compare(self, other) {
      var selfIndex = Inline.order.indexOf(self);
      var otherIndex = Inline.order.indexOf(other);
      if (selfIndex &gt;= 0 || otherIndex &gt;= 0) {
        return selfIndex - otherIndex;
      } else if (self === other) {
        return 0;
      } else if (self &lt; other) {
        return -1;
      } else {
        return 1;
      }
    }
  }]);

  return Inline;
}(_parchment2.default.Inline);

Inline.allowedChildren = [Inline, _parchment2.default.Embed, _text2.default];
// Lower index means deeper in the DOM tree, since not found (-1) is for embeds
Inline.order = ['cursor', 'inline', // Must be lower
'underline', 'strike', 'italic', 'bold', 'script', 'link', 'code' // Must be higher
];

exports.default = Inline;

/***/ }),
/* 7 */
/***/ (function(module, exports, __webpack_require__) {

&quot;use strict&quot;;


Object.defineProperty(exports, &quot;__esModule&quot;, {
  value: true
});

var _parchment = __webpack_require__(0);

var _parchment2 = _interopRequireDefault(_parchment);

function _interopRequireDefault(obj) { return obj &amp;&amp; obj.__esModule ? obj : { default: obj }; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(&quot;Cannot call a class as a function&quot;); } }

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(&quot;this hasn't been initialised - super() hasn't been called&quot;); } return call &amp;&amp; (typeof call === &quot;object&quot; || typeof call === &quot;function&quot;) ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== &quot;function&quot; &amp;&amp; superClass !== null) { throw new TypeError(&quot;Super expression must either be null or a function, not &quot; + typeof superClass); } subClass.prototype = Object.create(superClass &amp;&amp; superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

var TextBlot = function (_Parchment$Text) {
  _inherits(TextBlot, _Parchment$Text);

  function TextBlot() {
    _classCallCheck(this, TextBlot);

    return _possibleConstructorReturn(this, (TextBlot.__proto__ || Object.getPrototypeOf(TextBlot)).apply(this, arguments));
  }

  return TextBlot;
}(_parchment2.default.Text);

exports.default = TextBlot;

/***/ }),
/* 8 */
/***/ (function(module, exports, __webpack_require__) {

&quot;use strict&quot;;


Object.defineProperty(exports, &quot;__esModule&quot;, {
  value: true
});

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i &lt; props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (&quot;value&quot; in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

var _get = function get(object, property, receiver) { if (object === null) object = Function.prototype; var desc = Object.getOwnPropertyDescriptor(object, property); if (desc === undefined) { var parent = Object.getPrototypeOf(object); if (parent === null) { return undefined; } else { return get(parent, property, receiver); } } else if (&quot;value&quot; in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } };

var _eventemitter = __webpack_require__(54);

var _eventemitter2 = _interopRequireDefault(_eventemitter);

var _logger = __webpack_require__(10);

var _logger2 = _interopRequireDefault(_logger);

function _interopRequireDefault(obj) { return obj &amp;&amp; obj.__esModule ? obj : { default: obj }; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(&quot;Cannot call a class as a function&quot;); } }

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(&quot;this hasn't been initialised - super() hasn't been called&quot;); } return call &amp;&amp; (typeof call === &quot;object&quot; || typeof call === &quot;function&quot;) ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== &quot;function&quot; &amp;&amp; superClass !== null) { throw new TypeError(&quot;Super expression must either be null or a function, not &quot; + typeof superClass); } subClass.prototype = Object.create(superClass &amp;&amp; superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

var debug = (0, _logger2.default)('quill:events');

var EVENTS = ['selectionchange', 'mousedown', 'mouseup', 'click'];

EVENTS.forEach(function (eventName) {
  document.addEventListener(eventName, function () {
    for (var _len = arguments.length, args = Array(_len), _key = 0; _key &lt; _len; _key++) {
      args[_key] = arguments[_key];
    }

    [].slice.call(document.querySelectorAll('.ql-container')).forEach(function (node) {
      // TODO use WeakMap
      if (node.__quill &amp;&amp; node.__quill.emitter) {
        var _node$__quill$emitter;

        (_node$__quill$emitter = node.__quill.emitter).handleDOM.apply(_node$__quill$emitter, args);
      }
    });
  });
});

var Emitter = function (_EventEmitter) {
  _inherits(Emitter, _EventEmitter);

  function Emitter() {
    _classCallCheck(this, Emitter);

    var _this = _possibleConstructorReturn(this, (Emitter.__proto__ || Object.getPrototypeOf(Emitter)).call(this));

    _this.listeners = {};
    _this.on('error', debug.error);
    return _this;
  }

  _createClass(Emitter, [{
    key: 'emit',
    value: function emit() {
      debug.log.apply(debug, arguments);
      _get(Emitter.prototype.__proto__ || Object.getPrototypeOf(Emitter.prototype), 'emit', this).apply(this, arguments);
    }
  }, {
    key: 'handleDOM',
    value: function handleDOM(event) {
      for (var _len2 = arguments.length, args = Array(_len2 &gt; 1 ? _len2 - 1 : 0), _key2 = 1; _key2 &lt; _len2; _key2++) {
        args[_key2 - 1] = arguments[_key2];
      }

      (this.listeners[event.type] || []).forEach(function (_ref) {
        var node = _ref.node,
            handler = _ref.handler;

        if (event.target === node || node.contains(event.target)) {
          handler.apply(undefined, [event].concat(args));
        }
      });
    }
  }, {
    key: 'listenDOM',
    value: function listenDOM(eventName, node, handler) {
      if (!this.listeners[eventName]) {
        this.listeners[eventName] = [];
      }
      this.listeners[eventName].push({ node: node, handler: handler });
    }
  }]);

  return Emitter;
}(_eventemitter2.default);

Emitter.events = {
  EDITOR_CHANGE: 'editor-change',
  SCROLL_BEFORE_UPDATE: 'scroll-before-update',
  SCROLL_OPTIMIZE: 'scroll-optimize',
  SCROLL_UPDATE: 'scroll-update',
  SELECTION_CHANGE: 'selection-change',
  TEXT_CHANGE: 'text-change'
};
Emitter.sources = {
  API: 'api',
  SILENT: 'silent',
  USER: 'user'
};

exports.default = Emitter;

/***/ }),
/* 9 */
/***/ (function(module, exports, __webpack_require__) {

&quot;use strict&quot;;


Object.defineProperty(exports, &quot;__esModule&quot;, {
  value: true
});

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(&quot;Cannot call a class as a function&quot;); } }

var Module = function Module(quill) {
  var options = arguments.length &gt; 1 &amp;&amp; arguments[1] !== undefined ? arguments[1] : {};

  _classCallCheck(this, Module);

  this.quill = quill;
  this.options = options;
};

Module.DEFAULTS = {};

exports.default = Module;

/***/ }),
/* 10 */
/***/ (function(module, exports, __webpack_require__) {

&quot;use strict&quot;;


Object.defineProperty(exports, &quot;__esModule&quot;, {
  value: true
});
var levels = ['error', 'warn', 'log', 'info'];
var level = 'warn';

function debug(method) {
  if (levels.indexOf(method) &lt;= levels.indexOf(level)) {
    var _console;

    for (var _len = arguments.length, args = Array(_len &gt; 1 ? _len - 1 : 0), _key = 1; _key &lt; _len; _key++) {
      args[_key - 1] = arguments[_key];
    }

    (_console = console)[method].apply(_console, args); // eslint-disable-line no-console
  }
}

function namespace(ns) {
  return levels.reduce(function (logger, method) {
    logger[method] = debug.bind(console, method, ns);
    return logger;
  }, {});
}

debug.level = namespace.level = function (newLevel) {
  level = newLevel;
};

exports.default = namespace;

/***/ }),
/* 11 */
/***/ (function(module, exports, __webpack_require__) {

var pSlice = Array.prototype.slice;
var objectKeys = __webpack_require__(52);
var isArguments = __webpack_require__(53);

var deepEqual = module.exports = function (actual, expected, opts) {
  if (!opts) opts = {};
  // 7.1. All identical values are equivalent, as determined by ===.
  if (actual === expected) {
    return true;

  } else if (actual instanceof Date &amp;&amp; expected instanceof Date) {
    return actual.getTime() === expected.getTime();

  // 7.3. Other pairs that do not both pass typeof value == 'object',
  // equivalence is determined by ==.
  } else if (!actual || !expected || typeof actual != 'object' &amp;&amp; typeof expected != 'object') {
    return opts.strict ? actual === expected : actual == expected;

  // 7.4. For all other Object pairs, including Array objects, equivalence is
  // determined by having the same number of owned properties (as verified
  // with Object.prototype.hasOwnProperty.call), the same set of keys
  // (although not necessarily the same order), equivalent values for every
  // corresponding key, and an identical 'prototype' property. Note: this
  // accounts for both named and indexed properties on Arrays.
  } else {
    return objEquiv(actual, expected, opts);
  }
}

function isUndefinedOrNull(value) {
  return value === null || value === undefined;
}

function isBuffer (x) {
  if (!x || typeof x !== 'object' || typeof x.length !== 'number') return false;
  if (typeof x.copy !== 'function' || typeof x.slice !== 'function') {
    return false;
  }
  if (x.length &gt; 0 &amp;&amp; typeof x[0] !== 'number') return false;
  return true;
}

function objEquiv(a, b, opts) {
  var i, key;
  if (isUndefinedOrNull(a) || isUndefinedOrNull(b))
    return false;
  // an identical 'prototype' property.
  if (a.prototype !== b.prototype) return false;
  //~~~I've managed to break Object.keys through screwy arguments passing.
  //   Converting to array solves the problem.
  if (isArguments(a)) {
    if (!isArguments(b)) {
      return false;
    }
    a = pSlice.call(a);
    b = pSlice.call(b);
    return deepEqual(a, b, opts);
  }
  if (isBuffer(a)) {
    if (!isBuffer(b)) {
      return false;
    }
    if (a.length !== b.length) return false;
    for (i = 0; i &lt; a.length; i++) {
      if (a[i] !== b[i]) return false;
    }
    return true;
  }
  try {
    var ka = objectKeys(a),
        kb = objectKeys(b);
  } catch (e) {//happens when one is a string literal and the other isn't
    return false;
  }
  // having the same number of owned properties (keys incorporates
  // hasOwnProperty)
  if (ka.length != kb.length)
    return false;
  //the same set of keys (although not necessarily the same order),
  ka.sort();
  kb.sort();
  //~~~cheap key test
  for (i = ka.length - 1; i &gt;= 0; i--) {
    if (ka[i] != kb[i])
      return false;
  }
  //equivalent values for every corresponding key, and
  //~~~possibly expensive deep test
  for (i = ka.length - 1; i &gt;= 0; i--) {
    key = ka[i];
    if (!deepEqual(a[key], b[key], opts)) return false;
  }
  return typeof a === typeof b;
}


/***/ }),
/* 12 */
/***/ (function(module, exports, __webpack_require__) {

&quot;use strict&quot;;

Object.defineProperty(exports, &quot;__esModule&quot;, { value: true });
var Registry = __webpack_require__(1);
var Attributor = /** @class */ (function () {
    function Attributor(attrName, keyName, options) {
        if (options === void 0) { options = {}; }
        this.attrName = attrName;
        this.keyName = keyName;
        var attributeBit = Registry.Scope.TYPE &amp; Registry.Scope.ATTRIBUTE;
        if (options.scope != null) {
            // Ignore type bits, force attribute bit
            this.scope = (options.scope &amp; Registry.Scope.LEVEL) | attributeBit;
        }
        else {
            this.scope = Registry.Scope.ATTRIBUTE;
        }
        if (options.whitelist != null)
            this.whitelist = options.whitelist;
    }
    Attributor.keys = function (node) {
        return [].map.call(node.attributes, function (item) {
            return item.name;
        });
    };
    Attributor.prototype.add = function (node, value) {
        if (!this.canAdd(node, value))
            return false;
        node.setAttribute(this.keyName, value);
        return true;
    };
    Attributor.prototype.canAdd = function (node, value) {
        var match = Registry.query(node, Registry.Scope.BLOT &amp; (this.scope | Registry.Scope.TYPE));
        if (match == null)
            return false;
        if (this.whitelist == null)
            return true;
        if (typeof value === 'string') {
            return this.whitelist.indexOf(value.replace(/[&quot;']/g, '')) &gt; -1;
        }
        else {
            return this.whitelist.indexOf(value) &gt; -1;
        }
    };
    Attributor.prototype.remove = function (node) {
        node.removeAttribute(this.keyName);
    };
    Attributor.prototype.value = function (node) {
        var value = node.getAttribute(this.keyName);
        if (this.canAdd(node, value) &amp;&amp; value) {
            return value;
        }
        return '';
    };
    return Attributor;
}());
exports.default = Attributor;


/***/ }),
/* 13 */
/***/ (function(module, exports, __webpack_require__) {

&quot;use strict&quot;;


Object.defineProperty(exports, &quot;__esModule&quot;, {
  value: true
});
exports.default = exports.Code = undefined;

var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i &amp;&amp; _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n &amp;&amp; _i[&quot;return&quot;]) _i[&quot;return&quot;](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError(&quot;Invalid attempt to destructure non-iterable instance&quot;); } }; }();

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i &lt; props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (&quot;value&quot; in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

var _get = function get(object, property, receiver) { if (object === null) object = Function.prototype; var desc = Object.getOwnPropertyDescriptor(object, property); if (desc === undefined) { var parent = Object.getPrototypeOf(object); if (parent === null) { return undefined; } else { return get(parent, property, receiver); } } else if (&quot;value&quot; in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } };

var _quillDelta = __webpack_require__(2);

var _quillDelta2 = _interopRequireDefault(_quillDelta);

var _parchment = __webpack_require__(0);

var _parchment2 = _interopRequireDefault(_parchment);

var _block = __webpack_require__(4);

var _block2 = _interopRequireDefault(_block);

var _inline = __webpack_require__(6);

var _inline2 = _interopRequireDefault(_inline);

var _text = __webpack_require__(7);

var _text2 = _interopRequireDefault(_text);

function _interopRequireDefault(obj) { return obj &amp;&amp; obj.__esModule ? obj : { default: obj }; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(&quot;Cannot call a class as a function&quot;); } }

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(&quot;this hasn't been initialised - super() hasn't been called&quot;); } return call &amp;&amp; (typeof call === &quot;object&quot; || typeof call === &quot;function&quot;) ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== &quot;function&quot; &amp;&amp; superClass !== null) { throw new TypeError(&quot;Super expression must either be null or a function, not &quot; + typeof superClass); } subClass.prototype = Object.create(superClass &amp;&amp; superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

var Code = function (_Inline) {
  _inherits(Code, _Inline);

  function Code() {
    _classCallCheck(this, Code);

    return _possibleConstructorReturn(this, (Code.__proto__ || Object.getPrototypeOf(Code)).apply(this, arguments));
  }

  return Code;
}(_inline2.default);

Code.blotName = 'code';
Code.tagName = 'CODE';

var CodeBlock = function (_Block) {
  _inherits(CodeBlock, _Block);

  function CodeBlock() {
    _classCallCheck(this, CodeBlock);

    return _possibleConstructorReturn(this, (CodeBlock.__proto__ || Object.getPrototypeOf(CodeBlock)).apply(this, arguments));
  }

  _createClass(CodeBlock, [{
    key: 'delta',
    value: function delta() {
      var _this3 = this;

      var text = this.domNode.textContent;
      if (text.endsWith('\n')) {
        // Should always be true
        text = text.slice(0, -1);
      }
      return text.split('\n').reduce(function (delta, frag) {
        return delta.insert(frag).insert('\n', _this3.formats());
      }, new _quillDelta2.default());
    }
  }, {
    key: 'format',
    value: function format(name, value) {
      if (name === this.statics.blotName &amp;&amp; value) return;

      var _descendant = this.descendant(_text2.default, this.length() - 1),
          _descendant2 = _slicedToArray(_descendant, 1),
          text = _descendant2[0];

      if (text != null) {
        text.deleteAt(text.length() - 1, 1);
      }
      _get(CodeBlock.prototype.__proto__ || Object.getPrototypeOf(CodeBlock.prototype), 'format', this).call(this, name, value);
    }
  }, {
    key: 'formatAt',
    value: function formatAt(index, length, name, value) {
      if (length === 0) return;
      if (_parchment2.default.query(name, _parchment2.default.Scope.BLOCK) == null || name === this.statics.blotName &amp;&amp; value === this.statics.formats(this.domNode)) {
        return;
      }
      var nextNewline = this.newlineIndex(index);
      if (nextNewline &lt; 0 || nextNewline &gt;= index + length) return;
      var prevNewline = this.newlineIndex(index, true) + 1;
      var isolateLength = nextNewline - prevNewline + 1;
      var blot = this.isolate(prevNewline, isolateLength);
      var next = blot.next;
      blot.format(name, value);
      if (next instanceof CodeBlock) {
        next.formatAt(0, index - prevNewline + length - isolateLength, name, value);
      }
    }
  }, {
    key: 'insertAt',
    value: function insertAt(index, value, def) {
      if (def != null) return;

      var _descendant3 = this.descendant(_text2.default, index),
          _descendant4 = _slicedToArray(_descendant3, 2),
          text = _descendant4[0],
          offset = _descendant4[1];

      text.insertAt(offset, value);
    }
  }, {
    key: 'length',
    value: function length() {
      var length = this.domNode.textContent.length;
      if (!this.domNode.textContent.endsWith('\n')) {
        return length + 1;
      }
      return length;
    }
  }, {
    key: 'newlineIndex',
    value: function newlineIndex(searchIndex) {
      var reverse = arguments.length &gt; 1 &amp;&amp; arguments[1] !== undefined ? arguments[1] : false;

      if (!reverse) {
        var offset = this.domNode.textContent.slice(searchIndex).indexOf('\n');
        return offset &gt; -1 ? searchIndex + offset : -1;
      } else {
        return this.domNode.textContent.slice(0, searchIndex).lastIndexOf('\n');
      }
    }
  }, {
    key: 'optimize',
    value: function optimize(context) {
      if (!this.domNode.textContent.endsWith('\n')) {
        this.appendChild(_parchment2.default.create('text', '\n'));
      }
      _get(CodeBlock.prototype.__proto__ || Object.getPrototypeOf(CodeBlock.prototype), 'optimize', this).call(this, context);
      var next = this.next;
      if (next != null &amp;&amp; next.prev === this &amp;&amp; next.statics.blotName === this.statics.blotName &amp;&amp; this.statics.formats(this.domNode) === next.statics.formats(next.domNode)) {
        next.optimize(context);
        next.moveChildren(this);
        next.remove();
      }
    }
  }, {
    key: 'replace',
    value: function replace(target) {
      _get(CodeBlock.prototype.__proto__ || Object.getPrototypeOf(CodeBlock.prototype), 'replace', this).call(this, target);
      [].slice.call(this.domNode.querySelectorAll('*')).forEach(function (node) {
        var blot = _parchment2.default.find(node);
        if (blot == null) {
          node.parentNode.removeChild(node);
        } else if (blot instanceof _parchment2.default.Embed) {
          blot.remove();
        } else {
          blot.unwrap();
        }
      });
    }
  }], [{
    key: 'create',
    value: function create(value) {
      var domNode = _get(CodeBlock.__proto__ || Object.getPrototypeOf(CodeBlock), 'create', this).call(this, value);
      domNode.setAttribute('spellcheck', false);
      return domNode;
    }
  }, {
    key: 'formats',
    value: function formats() {
      return true;
    }
  }]);

  return CodeBlock;
}(_block2.default);

CodeBlock.blotName = 'code-block';
CodeBlock.tagName = 'PRE';
CodeBlock.TAB = '  ';

exports.Code = Code;
exports.default = CodeBlock;

/***/ }),
/* 14 */
/***/ (function(module, exports, __webpack_require__) {

&quot;use strict&quot;;


Object.defineProperty(exports, &quot;__esModule&quot;, {
  value: true
});

var _typeof = typeof Symbol === &quot;function&quot; &amp;&amp; typeof Symbol.iterator === &quot;symbol&quot; ? function (obj) { return typeof obj; } : function (obj) { return obj &amp;&amp; typeof Symbol === &quot;function&quot; &amp;&amp; obj.constructor === Symbol &amp;&amp; obj !== Symbol.prototype ? &quot;symbol&quot; : typeof obj; };

var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i &amp;&amp; _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n &amp;&amp; _i[&quot;return&quot;]) _i[&quot;return&quot;](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError(&quot;Invalid attempt to destructure non-iterable instance&quot;); } }; }();

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i &lt; props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (&quot;value&quot; in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

var _quillDelta = __webpack_require__(2);

var _quillDelta2 = _interopRequireDefault(_quillDelta);

var _op = __webpack_require__(20);

var _op2 = _interopRequireDefault(_op);

var _parchment = __webpack_require__(0);

var _parchment2 = _interopRequireDefault(_parchment);

var _code = __webpack_require__(13);

var _code2 = _interopRequireDefault(_code);

var _cursor = __webpack_require__(24);

var _cursor2 = _interopRequireDefault(_cursor);

var _block = __webpack_require__(4);

var _block2 = _interopRequireDefault(_block);

var _break = __webpack_require__(16);

var _break2 = _interopRequireDefault(_break);

var _clone = __webpack_require__(21);

var _clone2 = _interopRequireDefault(_clone);

var _deepEqual = __webpack_require__(11);

var _deepEqual2 = _interopRequireDefault(_deepEqual);

var _extend = __webpack_require__(3);

var _extend2 = _interopRequireDefault(_extend);

function _interopRequireDefault(obj) { return obj &amp;&amp; obj.__esModule ? obj : { default: obj }; }

function _defineProperty(obj, key, value) { 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(&quot;Cannot call a class as a function&quot;); } }

var ASCII = /^[ -~]*$/;

var Editor = function () {
  function Editor(scroll) {
    _classCallCheck(this, Editor);

    this.scroll = scroll;
    this.delta = this.getDelta();
  }

  _createClass(Editor, [{
    key: 'applyDelta',
    value: function applyDelta(delta) {
      var _this = this;

      var consumeNextNewline = false;
      this.scroll.update();
      var scrollLength = this.scroll.length();
      this.scroll.batchStart();
      delta = normalizeDelta(delta);
      delta.reduce(function (index, op) {
        var length = op.retain || op.delete || op.insert.length || 1;
        var attributes = op.attributes || {};
        if (op.insert != null) {
          if (typeof op.insert === 'string') {
            var text = op.insert;
            if (text.endsWith('\n') &amp;&amp; consumeNextNewline) {
              consumeNextNewline = false;
              text = text.slice(0, -1);
            }
            if (index &gt;= scrollLength &amp;&amp; !text.endsWith('\n')) {
              consumeNextNewline = true;
            }
            _this.scroll.insertAt(index, text);

            var _scroll$line = _this.scroll.line(index),
                _scroll$line2 = _slicedToArray(_scroll$line, 2),
                line = _scroll$line2[0],
                offset = _scroll$line2[1];

            var formats = (0, _extend2.default)({}, (0, _block.bubbleFormats)(line));
            if (line instanceof _block2.default) {
              var _line$descendant = line.descendant(_parchment2.default.Leaf, offset),
                  _line$descendant2 = _slicedToArray(_line$descendant, 1),
                  leaf = _line$descendant2[0];

              formats = (0, _extend2.default)(formats, (0, _block.bubbleFormats)(leaf));
            }
            attributes = _op2.default.attributes.diff(formats, attributes) || {};
          } else if (_typeof(op.insert) === 'object') {
            var key = Object.keys(op.insert)[0]; // There should only be one key
            if (key == null) return index;
            _this.scroll.insertAt(index, key, op.insert[key]);
          }
          scrollLength += length;
        }
        Object.keys(attributes).forEach(function (name) {
          _this.scroll.formatAt(index, length, name, attributes[name]);
        });
        return index + length;
      }, 0);
      delta.reduce(function (index, op) {
        if (typeof op.delete === 'number') {
          _this.scroll.deleteAt(index, op.delete);
          return index;
        }
        return index + (op.retain || op.insert.length || 1);
      }, 0);
      this.scroll.batchEnd();
      return this.update(delta);
    }
  }, {
    key: 'deleteText',
    value: function deleteText(index, length) {
      this.scroll.deleteAt(index, length);
      return this.update(new _quillDelta2.default().retain(index).delete(length));
    }
  }, {
    key: 'formatLine',
    value: function formatLine(index, length) {
      var _this2 = this;

      var formats = arguments.length &gt; 2 &amp;&amp; arguments[2] !== undefined ? arguments[2] : {};

      this.scroll.update();
      Object.keys(formats).forEach(function (format) {
        if (_this2.scroll.whitelist != null &amp;&amp; !_this2.scroll.whitelist[format]) return;
        var lines = _this2.scroll.lines(index, Math.max(length, 1));
        var lengthRemaining = length;
        lines.forEach(function (line) {
          var lineLength = line.length();
          if (!(line instanceof _code2.default)) {
            line.format(format, formats[format]);
          } else {
            var codeIndex = index - line.offset(_this2.scroll);
            var codeLength = line.newlineIndex(codeIndex + lengthRemaining) - codeIndex + 1;
            line.formatAt(codeIndex, codeLength, format, formats[format]);
          }
          lengthRemaining -= lineLength;
        });
      });
      this.scroll.optimize();
      return this.update(new _quillDelta2.default().retain(index).retain(length, (0, _clone2.default)(formats)));
    }
  }, {
    key: 'formatText',
    value: function formatText(index, length) {
      var _this3 = this;

      var formats = arguments.length &gt; 2 &amp;&amp; arguments[2] !== undefined ? arguments[2] : {};

      Object.keys(formats).forEach(function (format) {
        _this3.scroll.formatAt(index, length, format, formats[format]);
      });
      return this.update(new _quillDelta2.default().retain(index).retain(length, (0, _clone2.default)(formats)));
    }
  }, {
    key: 'getContents',
    value: function getContents(index, length) {
      return this.delta.slice(index, index + length);
    }
  }, {
    key: 'getDelta',
    value: function getDelta() {
      return this.scroll.lines().reduce(function (delta, line) {
        return delta.concat(line.delta());
      }, new _quillDelta2.default());
    }
  }, {
    key: 'getFormat',
    value: function getFormat(index) {
      var length = arguments.length &gt; 1 &amp;&amp; arguments[1] !== undefined ? arguments[1] : 0;

      var lines = [],
          leaves = [];
      if (length === 0) {
        this.scroll.path(index).forEach(function (path) {
          var _path = _slicedToArray(path, 1),
              blot = _path[0];

          if (blot instanceof _block2.default) {
            lines.push(blot);
          } else if (blot instanceof _parchment2.default.Leaf) {
            leaves.push(blot);
          }
        });
      } else {
        lines = this.scroll.lines(index, length);
        leaves = this.scroll.descendants(_parchment2.default.Leaf, index, length);
      }
      var formatsArr = [lines, leaves].map(function (blots) {
        if (blots.length === 0) return {};
        var formats = (0, _block.bubbleFormats)(blots.shift());
        while (Object.keys(formats).length &gt; 0) {
          var blot = blots.shift();
          if (blot == null) return formats;
          formats = combineFormats((0, _block.bubbleFormats)(blot), formats);
        }
        return formats;
      });
      return _extend2.default.apply(_extend2.default, formatsArr);
    }
  }, {
    key: 'getText',
    value: function getText(index, length) {
      return this.getContents(index, length).filter(function (op) {
        return typeof op.insert === 'string';
      }).map(function (op) {
        return op.insert;
      }).join('');
    }
  }, {
    key: 'insertEmbed',
    value: function insertEmbed(index, embed, value) {
      this.scroll.insertAt(index, embed, value);
      return this.update(new _quillDelta2.default().retain(index).insert(_defineProperty({}, embed, value)));
    }
  }, {
    key: 'insertText',
    value: function insertText(index, text) {
      var _this4 = this;

      var formats = arguments.length &gt; 2 &amp;&amp; arguments[2] !== undefined ? arguments[2] : {};

      text = text.replace(/\r\n/g, '\n').replace(/\r/g, '\n');
      this.scroll.insertAt(index, text);
      Object.keys(formats).forEach(function (format) {
        _this4.scroll.formatAt(index, text.length, format, formats[format]);
      });
      return this.update(new _quillDelta2.default().retain(index).insert(text, (0, _clone2.default)(formats)));
    }
  }, {
    key: 'isBlank',
    value: function isBlank() {
      if (this.scroll.children.length == 0) return true;
      if (this.scroll.children.length &gt; 1) return false;
      var block = this.scroll.children.head;
      if (block.statics.blotName !== _block2.default.blotName) return false;
      if (block.children.length &gt; 1) return false;
      return block.children.head instanceof _break2.default;
    }
  }, {
    key: 'removeFormat',
    value: function removeFormat(index, length) {
      var text = this.getText(index, length);

      var _scroll$line3 = this.scroll.line(index + length),
          _scroll$line4 = _slicedToArray(_scroll$line3, 2),
          line = _scroll$line4[0],
          offset = _scroll$line4[1];

      var suffixLength = 0,
          suffix = new _quillDelta2.default();
      if (line != null) {
        if (!(line instanceof _code2.default)) {
          suffixLength = line.length() - offset;
        } else {
          suffixLength = line.newlineIndex(offset) - offset + 1;
        }
        suffix = line.delta().slice(offset, offset + suffixLength - 1).insert('\n');
      }
      var contents = this.getContents(index, length + suffixLength);
      var diff = contents.diff(new _quillDelta2.default().insert(text).concat(suffix));
      var delta = new _quillDelta2.default().retain(index).concat(diff);
      return this.applyDelta(delta);
    }
  }, {
    key: 'update',
    value: function update(change) {
      var mutations = arguments.length &gt; 1 &amp;&amp; arguments[1] !== undefined ? arguments[1] : [];
      var cursorIndex = arguments.length &gt; 2 &amp;&amp; arguments[2] !== undefined ? arguments[2] : undefined;

      var oldDelta = this.delta;
      if (mutations.length === 1 &amp;&amp; mutations[0].type === 'characterData' &amp;&amp; mutations[0].target.data.match(ASCII) &amp;&amp; _parchment2.default.find(mutations[0].target)) {
        // Optimization for character changes
        var textBlot = _parchment2.default.find(mutations[0].target);
        var formats = (0, _block.bubbleFormats)(textBlot);
        var index = textBlot.offset(this.scroll);
        var oldValue = mutations[0].oldValue.replace(_cursor2.default.CONTENTS, '');
        var oldText = new _quillDelta2.default().insert(oldValue);
        var newText = new _quillDelta2.default().insert(textBlot.value());
        var diffDelta = new _quillDelta2.default().retain(index).concat(oldText.diff(newText, cursorIndex));
        change = diffDelta.reduce(function (delta, op) {
          if (op.insert) {
            return delta.insert(op.insert, formats);
          } else {
            return delta.push(op);
          }
        }, new _quillDelta2.default());
        this.delta = oldDelta.compose(change);
      } else {
        this.delta = this.getDelta();
        if (!change || !(0, _deepEqual2.default)(oldDelta.compose(change), this.delta)) {
          change = oldDelta.diff(this.delta, cursorIndex);
        }
      }
      return change;
    }
  }]);

  return Editor;
}();

function combineFormats(formats, combined) {
  return Object.keys(combined).reduce(function (merged, name) {
    if (formats[name] == null) return merged;
    if (combined[name] === formats[name]) {
      merged[name] = combined[name];
    } else if (Array.isArray(combined[name])) {
      if (combined[name].indexOf(formats[name]) &lt; 0) {
        merged[name] = combined[name].concat([formats[name]]);
      }
    } else {
      merged[name] = [combined[name], formats[name]];
    }
    return merged;
  }, {});
}

function normalizeDelta(delta) {
  return delta.reduce(function (delta, op) {
    if (op.insert === 1) {
      var attributes = (0, _clone2.default)(op.attributes);
      delete attributes['image'];
      return delta.insert({ image: op.attributes.image }, attributes);
    }
    if (op.attributes != null &amp;&amp; (op.attributes.list === true || op.attributes.bullet === true)) {
      op = (0, _clone2.default)(op);
      if (op.attributes.list) {
        op.attributes.list = 'ordered';
      } else {
        op.attributes.list = 'bullet';
        delete op.attributes.bullet;
      }
    }
    if (typeof op.insert === 'string') {
      var text = op.insert.replace(/\r\n/g, '\n').replace(/\r/g, '\n');
      return delta.insert(text, op.attributes);
    }
    return delta.push(op);
  }, new _quillDelta2.default());
}

exports.default = Editor;

/***/ }),
/* 15 */
/***/ (function(module, exports, __webpack_require__) {

&quot;use strict&quot;;


Object.defineProperty(exports, &quot;__esModule&quot;, {
  value: true
});
exports.default = exports.Range = undefined;

var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i &amp;&amp; _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n &amp;&amp; _i[&quot;return&quot;]) _i[&quot;return&quot;](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError(&quot;Invalid attempt to destructure non-iterable instance&quot;); } }; }();

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i &lt; props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (&quot;value&quot; in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

var _parchment = __webpack_require__(0);

var _parchment2 = _interopRequireDefault(_parchment);

var _clone = __webpack_require__(21);

var _clone2 = _interopRequireDefault(_clone);

var _deepEqual = __webpack_require__(11);

var _deepEqual2 = _interopRequireDefault(_deepEqual);

var _emitter3 = __webpack_require__(8);

var _emitter4 = _interopRequireDefault(_emitter3);

var _logger = __webpack_require__(10);

var _logger2 = _interopRequireDefault(_logger);

function _interopRequireDefault(obj) { return obj &amp;&amp; obj.__esModule ? obj : { default: obj }; }

function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i &lt; arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(&quot;Cannot call a class as a function&quot;); } }

var debug = (0, _logger2.default)('quill:selection');

var Range = function Range(index) {
  var length = arguments.length &gt; 1 &amp;&amp; arguments[1] !== undefined ? arguments[1] : 0;

  _classCallCheck(this, Range);

  this.index = index;
  this.length = length;
};

var Selection = function () {
  function Selection(scroll, emitter) {
    var _this = this;

    _classCallCheck(this, Selection);

    this.emitter = emitter;
    this.scroll = scroll;
    this.composing = false;
    this.mouseDown = false;
    this.root = this.scroll.domNode;
    this.cursor = _parchment2.default.create('cursor', this);
    // savedRange is last non-null range
    this.lastRange = this.savedRange = new Range(0, 0);
    this.handleComposition();
    this.handleDragging();
    this.emitter.listenDOM('selectionchange', document, function () {
      if (!_this.mouseDown) {
        setTimeout(_this.update.bind(_this, _emitter4.default.sources.USER), 1);
      }
    });
    this.emitter.on(_emitter4.default.events.EDITOR_CHANGE, function (type, delta) {
      if (type === _emitter4.default.events.TEXT_CHANGE &amp;&amp; delta.length() &gt; 0) {
        _this.update(_emitter4.default.sources.SILENT);
      }
    });
    this.emitter.on(_emitter4.default.events.SCROLL_BEFORE_UPDATE, function () {
      if (!_this.hasFocus()) return;
      var native = _this.getNativeRange();
      if (native == null) return;
      if (native.start.node === _this.cursor.textNode) return; // cursor.restore() will handle
      // TODO unclear if this has negative side effects
      _this.emitter.once(_emitter4.default.events.SCROLL_UPDATE, function () {
        try {
          _this.setNativeRange(native.start.node, native.start.offset, native.end.node, native.end.offset);
        } catch (ignored) {}
      });
    });
    this.emitter.on(_emitter4.default.events.SCROLL_OPTIMIZE, function (mutations, context) {
      if (context.range) {
        var _context$range = context.range,
            startNode = _context$range.startNode,
            startOffset = _context$range.startOffset,
            endNode = _context$range.endNode,
            endOffset = _context$range.endOffset;

        _this.setNativeRange(startNode, startOffset, endNode, endOffset);
      }
    });
    this.update(_emitter4.default.sources.SILENT);
  }

  _createClass(Selection, [{
    key: 'handleComposition',
    value: function handleComposition() {
      var _this2 = this;

      this.root.addEventListener('compositionstart', function () {
        _this2.composing = true;
      });
      this.root.addEventListener('compositionend', function () {
        _this2.composing = false;
        if (_this2.cursor.parent) {
          var range = _this2.cursor.restore();
          if (!range) return;
          setTimeout(function () {
            _this2.setNativeRange(range.startNode, range.startOffset, range.endNode, range.endOffset);
          }, 1);
        }
      });
    }
  }, {
    key: 'handleDragging',
    value: function handleDragging() {
      var _this3 = this;

      this.emitter.listenDOM('mousedown', document.body, function () {
        _this3.mouseDown = true;
      });
      this.emitter.listenDOM('mouseup', document.body, function () {
        _this3.mouseDown = false;
        _this3.update(_emitter4.default.sources.USER);
      });
    }
  }, {
    key: 'focus',
    value: function focus() {
      if (this.hasFocus()) return;
      this.root.focus();
      this.setRange(this.savedRange);
    }
  }, {
    key: 'format',
    value: function format(_format, value) {
      if (this.scroll.whitelist != null &amp;&amp; !this.scroll.whitelist[_format]) return;
      this.scroll.update();
      var nativeRange = this.getNativeRange();
      if (nativeRange == null || !nativeRange.native.collapsed || _parchment2.default.query(_format, _parchment2.default.Scope.BLOCK)) return;
      if (nativeRange.start.node !== this.cursor.textNode) {
        var blot = _parchment2.default.find(nativeRange.start.node, false);
        if (blot == null) return;
        // TODO Give blot ability to not split
        if (blot instanceof _parchment2.default.Leaf) {
          var after = blot.split(nativeRange.start.offset);
          blot.parent.insertBefore(this.cursor, after);
        } else {
          blot.insertBefore(this.cursor, nativeRange.start.node); // Should never happen
        }
        this.cursor.attach();
      }
      this.cursor.format(_format, value);
      this.scroll.optimize();
      this.setNativeRange(this.cursor.textNode, this.cursor.textNode.data.length);
      this.update();
    }
  }, {
    key: 'getBounds',
    value: function getBounds(index) {
      var length = arguments.length &gt; 1 &amp;&amp; arguments[1] !== undefined ? arguments[1] : 0;

      var scrollLength = this.scroll.length();
      index = Math.min(index, scrollLength - 1);
      length = Math.min(index + length, scrollLength - 1) - index;
      var node = void 0,
          _scroll$leaf = this.scroll.leaf(index),
          _scroll$leaf2 = _slicedToArray(_scroll$leaf, 2),
          leaf = _scroll$leaf2[0],
          offset = _scroll$leaf2[1];
      if (leaf == null) return null;

      var _leaf$position = leaf.position(offset, true);

      var _leaf$position2 = _slicedToArray(_leaf$position, 2);

      node = _leaf$position2[0];
      offset = _leaf$position2[1];

      var range = document.createRange();
      if (length &gt; 0) {
        range.setStart(node, offset);

        var _scroll$leaf3 = this.scroll.leaf(index + length);

        var _scroll$leaf4 = _slicedToArray(_scroll$leaf3, 2);

        leaf = _scroll$leaf4[0];
        offset = _scroll$leaf4[1];

        if (leaf == null) return null;

        var _leaf$position3 = leaf.position(offset, true);

        var _leaf$position4 = _slicedToArray(_leaf$position3, 2);

        node = _leaf$position4[0];
        offset = _leaf$position4[1];

        range.setEnd(node, offset);
        return range.getBoundingClientRect();
      } else {
        var side = 'left';
        var rect = void 0;
        if (node instanceof Text) {
          if (offset &lt; node.data.length) {
            range.setStart(node, offset);
            range.setEnd(node, offset + 1);
          } else {
            range.setStart(node, offset - 1);
            range.setEnd(node, offset);
            side = 'right';
          }
          rect = range.getBoundingClientRect();
        } else {
          rect = leaf.domNode.getBoundingClientRect();
          if (offset &gt; 0) side = 'right';
        }
        return {
          bottom: rect.top + rect.height,
          height: rect.height,
          left: rect[side],
          right: rect[side],
          top: rect.top,
          width: 0
        };
      }
    }
  }, {
    key: 'getNativeRange',
    value: function getNativeRange() {
      var selection = document.getSelection();
      if (selection == null || selection.rangeCount &lt;= 0) return null;
      var nativeRange = selection.getRangeAt(0);
      if (nativeRange == null) return null;
      var range = this.normalizeNative(nativeRange);
      debug.info('getNativeRange', range);
      return range;
    }
  }, {
    key: 'getRange',
    value: function getRange() {
      var normalized = this.getNativeRange();
      if (normalized == null) return [null, null];
      var range = this.normalizedToRange(normalized);
      return [range, normalized];
    }
  }, {
    key: 'hasFocus',
    value: function hasFocus() {
      return document.activeElement === this.root;
    }
  }, {
    key: 'normalizedToRange',
    value: function normalizedToRange(range) {
      var _this4 = this;

      var positions = [[range.start.node, range.start.offset]];
      if (!range.native.collapsed) {
        positions.push([range.end.node, range.end.offset]);
      }
      var indexes = positions.map(function (position) {
        var _position = _slicedToArray(position, 2),
            node = _position[0],
            offset = _position[1];

        var blot = _parchment2.default.find(node, true);
        var index = blot.offset(_this4.scroll);
        if (offset === 0) {
          return index;
        } else if (blot instanceof _parchment2.default.Container) {
          return index + blot.length();
        } else {
          return index + blot.index(node, offset);
        }
      });
      var end = Math.min(Math.max.apply(Math, _toConsumableArray(indexes)), this.scroll.length() - 1);
      var start = Math.min.apply(Math, [end].concat(_toConsumableArray(indexes)));
      return new Range(start, end - start);
    }
  }, {
    key: 'normalizeNative',
    value: function normalizeNative(nativeRange) {
      if (!contains(this.root, nativeRange.startContainer) || !nativeRange.collapsed &amp;&amp; !contains(this.root, nativeRange.endContainer)) {
        return null;
      }
      var range = {
        start: { node: nativeRange.startContainer, offset: nativeRange.startOffset },
        end: { node: nativeRange.endContainer, offset: nativeRange.endOffset },
        native: nativeRange
      };
      [range.start, range.end].forEach(function (position) {
        var node = position.node,
            offset = position.offset;
        while (!(node instanceof Text) &amp;&amp; node.childNodes.length &gt; 0) {
          if (node.childNodes.length &gt; offset) {
            node = node.childNodes[offset];
            offset = 0;
          } else if (node.childNodes.length === offset) {
            node = node.lastChild;
            offset = node instanceof Text ? node.data.length : node.childNodes.length + 1;
          } else {
            break;
          }
        }
        position.node = node, position.offset = offset;
      });
      return range;
    }
  }, {
    key: 'rangeToNative',
    value: function rangeToNative(range) {
      var _this5 = this;

      var indexes = range.collapsed ? [range.index] : [range.index, range.index + range.length];
      var args = [];
      var scrollLength = this.scroll.length();
      indexes.forEach(function (index, i) {
        index = Math.min(scrollLength - 1, index);
        var node = void 0,
            _scroll$leaf5 = _this5.scroll.leaf(index),
            _scroll$leaf6 = _slicedToArray(_scroll$leaf5, 2),
            leaf = _scroll$leaf6[0],
            offset = _scroll$leaf6[1];
        var _leaf$position5 = leaf.position(offset, i !== 0);

        var _leaf$position6 = _slicedToArray(_leaf$position5, 2);

        node = _leaf$position6[0];
        offset = _leaf$position6[1];

        args.push(node, offset);
      });
      if (args.length &lt; 2) {
        args = args.concat(args);
      }
      return args;
    }
  }, {
    key: 'scrollIntoView',
    value: function scrollIntoView(scrollingContainer) {
      var range = this.lastRange;
      if (range == null) return;
      var bounds = this.getBounds(range.index, range.length);
      if (bounds == null) return;
      var limit = this.scroll.length() - 1;

      var _scroll$line = this.scroll.line(Math.min(range.index, limit)),
          _scroll$line2 = _slicedToArray(_scroll$line, 1),
          first = _scroll$line2[0];

      var last = first;
      if (range.length &gt; 0) {
        var _scroll$line3 = this.scroll.line(Math.min(range.index + range.length, limit));

        var _scroll$line4 = _slicedToArray(_scroll$line3, 1);

        last = _scroll$line4[0];
      }
      if (first == null || last == null) return;
      var scrollBounds = scrollingContainer.getBoundingClientRect();
      if (bounds.top &lt; scrollBounds.top) {
        scrollingContainer.scrollTop -= scrollBounds.top - bounds.top;
      } else if (bounds.bottom &gt; scrollBounds.bottom) {
        scrollingContainer.scrollTop += bounds.bottom - scrollBounds.bottom;
      }
    }
  }, {
    key: 'setNativeRange',
    value: function setNativeRange(startNode, startOffset) {
      var endNode = arguments.length &gt; 2 &amp;&amp; arguments[2] !== undefined ? arguments[2] : startNode;
      var endOffset = arguments.length &gt; 3 &amp;&amp; arguments[3] !== undefined ? arguments[3] : startOffset;
      var force = arguments.length &gt; 4 &amp;&amp; arguments[4] !== undefined ? arguments[4] : false;

      debug.info('setNativeRange', startNode, startOffset, endNode, endOffset);
      if (startNode != null &amp;&amp; (this.root.parentNode == null || startNode.parentNode == null || endNode.parentNode == null)) {
        return;
      }
      var selection = document.getSelection();
      if (selection == null) return;
      if (startNode != null) {
        if (!this.hasFocus()) this.root.focus();
        var native = (this.getNativeRange() || {}).native;
        if (native == null || force || startNode !== native.startContainer || startOffset !== native.startOffset || endNode !== native.endContainer || endOffset !== native.endOffset) {

          if (startNode.tagName == &quot;BR&quot;) {
            startOffset = [].indexOf.call(startNode.parentNode.childNodes, startNode);
            startNode = startNode.parentNode;
          }
          if (endNode.tagName == &quot;BR&quot;) {
            endOffset = [].indexOf.call(endNode.parentNode.childNodes, endNode);
            endNode = endNode.parentNode;
          }
          var range = document.createRange();
          range.setStart(startNode, startOffset);
          range.setEnd(endNode, endOffset);
          selection.removeAllRanges();
          selection.addRange(range);
        }
      } else {
        selection.removeAllRanges();
        this.root.blur();
        document.body.focus(); // root.blur() not enough on IE11+Travis+SauceLabs (but not local VMs)
      }
    }
  }, {
    key: 'setRange',
    value: function setRange(range) {
      var force = arguments.length &gt; 1 &amp;&amp; arguments[1] !== undefined ? arguments[1] : false;
      var source = arguments.length &gt; 2 &amp;&amp; arguments[2] !== undefined ? arguments[2] : _emitter4.default.sources.API;

      if (typeof force === 'string') {
        source = force;
        force = false;
      }
      debug.info('setRange', range);
      if (range != null) {
        var args = this.rangeToNative(range);
        this.setNativeRange.apply(this, _toConsumableArray(args).concat([force]));
      } else {
        this.setNativeRange(null);
      }
      this.update(source);
    }
  }, {
    key: 'update',
    value: function update() {
      var source = arguments.length &gt; 0 &amp;&amp; arguments[0] !== undefined ? arguments[0] : _emitter4.default.sources.USER;

      var oldRange = this.lastRange;

      var _getRange = this.getRange(),
          _getRange2 = _slicedToArray(_getRange, 2),
          lastRange = _getRange2[0],
          nativeRange = _getRange2[1];

      this.lastRange = lastRange;
      if (this.lastRange != null) {
        this.savedRange = this.lastRange;
      }
      if (!(0, _deepEqual2.default)(oldRange, this.lastRange)) {
        var _emitter;

        if (!this.composing &amp;&amp; nativeRange != null &amp;&amp; nativeRange.native.collapsed &amp;&amp; nativeRange.start.node !== this.cursor.textNode) {
          this.cursor.restore();
        }
        var args = [_emitter4.default.events.SELECTION_CHANGE, (0, _clone2.default)(this.lastRange), (0, _clone2.default)(oldRange), source];
        (_emitter = this.emitter).emit.apply(_emitter, [_emitter4.default.events.EDITOR_CHANGE].concat(args));
        if (source !== _emitter4.default.sources.SILENT) {
          var _emitter2;

          (_emitter2 = this.emitter).emit.apply(_emitter2, args);
        }
      }
    }
  }]);

  return Selection;
}();

function contains(parent, descendant) {
  try {
    // Firefox inserts inaccessible nodes around video elements
    descendant.parentNode;
  } catch (e) {
    return false;
  }
  // IE11 has bug with Text nodes
  // https://connect.microsoft.com/IE/feedback/details/780874/node-contains-is-incorrect
  if (descendant instanceof Text) {
    descendant = descendant.parentNode;
  }
  return parent.contains(descendant);
}

exports.Range = Range;
exports.default = Selection;

/***/ }),
/* 16 */
/***/ (function(module, exports, __webpack_require__) {

&quot;use strict&quot;;


Object.defineProperty(exports, &quot;__esModule&quot;, {
  value: true
});

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i &lt; props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (&quot;value&quot; in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

var _get = function get(object, property, receiver) { if (object === null) object = Function.prototype; var desc = Object.getOwnPropertyDescriptor(object, property); if (desc === undefined) { var parent = Object.getPrototypeOf(object); if (parent === null) { return undefined; } else { return get(parent, property, receiver); } } else if (&quot;value&quot; in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } };

var _parchment = __webpack_require__(0);

var _parchment2 = _interopRequireDefault(_parchment);

function _interopRequireDefault(obj) { return obj &amp;&amp; obj.__esModule ? obj : { default: obj }; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(&quot;Cannot call a class as a function&quot;); } }

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(&quot;this hasn't been initialised - super() hasn't been called&quot;); } return call &amp;&amp; (typeof call === &quot;object&quot; || typeof call === &quot;function&quot;) ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== &quot;function&quot; &amp;&amp; superClass !== null) { throw new TypeError(&quot;Super expression must either be null or a function, not &quot; + typeof superClass); } subClass.prototype = Object.create(superClass &amp;&amp; superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

var Break = function (_Parchment$Embed) {
  _inherits(Break, _Parchment$Embed);

  function Break() {
    _classCallCheck(this, Break);

    return _possibleConstructorReturn(this, (Break.__proto__ || Object.getPrototypeOf(Break)).apply(this, arguments));
  }

  _createClass(Break, [{
    key: 'insertInto',
    value: function insertInto(parent, ref) {
      if (parent.children.length === 0) {
        _get(Break.prototype.__proto__ || Object.getPrototypeOf(Break.prototype), 'insertInto', this).call(this, parent, ref);
      } else {
        this.remove();
      }
    }
  }, {
    key: 'length',
    value: function length() {
      return 0;
    }
  }, {
    key: 'value',
    value: function value() {
      return '';
    }
  }], [{
    key: 'value',
    value: function value() {
      return undefined;
    }
  }]);

  return Break;
}(_parchment2.default.Embed);

Break.blotName = 'break';
Break.tagName = 'BR';

exports.default = Break;

/***/ }),
/* 17 */
/***/ (function(module, exports, __webpack_require__) {

&quot;use strict&quot;;

var __extends = (this &amp;&amp; this.__extends) || (function () {
    var extendStatics = Object.setPrototypeOf ||
        ({ __proto__: [] } instanceof Array &amp;&amp; function (d, b) { d.__proto__ = b; }) ||
        function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
    return function (d, b) {
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
Object.defineProperty(exports, &quot;__esModule&quot;, { value: true });
var linked_list_1 = __webpack_require__(44);
var shadow_1 = __webpack_require__(30);
var Registry = __webpack_require__(1);
var ContainerBlot = /** @class */ (function (_super) {
    __extends(ContainerBlot, _super);
    function ContainerBlot(domNode) {
        var _this = _super.call(this, domNode) || this;
        _this.build();
        return _this;
    }
    ContainerBlot.prototype.appendChild = function (other) {
        this.insertBefore(other);
    };
    ContainerBlot.prototype.attach = function () {
        _super.prototype.attach.call(this);
        this.children.forEach(function (child) {
            child.attach();
        });
    };
    ContainerBlot.prototype.build = function () {
        var _this = this;
        this.children = new linked_list_1.default();
        // Need to be reversed for if DOM nodes already in order
        [].slice
            .call(this.domNode.childNodes)
            .reverse()
            .forEach(function (node) {
            try {
                var child = makeBlot(node);
                _this.insertBefore(child, _this.children.head || undefined);
            }
            catch (err) {
                if (err instanceof Registry.ParchmentError)
                    return;
                else
                    throw err;
            }
        });
    };
    ContainerBlot.prototype.deleteAt = function (index, length) {
        if (index === 0 &amp;&amp; length === this.length()) {
            return this.remove();
        }
        this.children.forEachAt(index, length, function (child, offset, length) {
            child.deleteAt(offset, length);
        });
    };
    ContainerBlot.prototype.descendant = function (criteria, index) {
        var _a = this.children.find(index), child = _a[0], offset = _a[1];
        if ((criteria.blotName == null &amp;&amp; criteria(child)) ||
            (criteria.blotName != null &amp;&amp; child instanceof criteria)) {
            return [child, offset];
        }
        else if (child instanceof ContainerBlot) {
            return child.descendant(criteria, offset);
        }
        else {
            return [null, -1];
        }
    };
    ContainerBlot.prototype.descendants = function (criteria, index, length) {
        if (index === void 0) { index = 0; }
        if (length === void 0) { length = Number.MAX_VALUE; }
        var descendants = [];
        var lengthLeft = length;
        this.children.forEachAt(index, length, function (child, index, length) {
            if ((criteria.blotName == null &amp;&amp; criteria(child)) ||
                (criteria.blotName != null &amp;&amp; child instanceof criteria)) {
                descendants.push(child);
            }
            if (child instanceof ContainerBlot) {
                descendants = descendants.concat(child.descendants(criteria, index, lengthLeft));
            }
            lengthLeft -= length;
        });
        return descendants;
    };
    ContainerBlot.prototype.detach = function () {
        this.children.forEach(function (child) {
            child.detach();
        });
        _super.prototype.detach.call(this);
    };
    ContainerBlot.prototype.formatAt = function (index, length, name, value) {
        this.children.forEachAt(index, length, function (child, offset, length) {
            child.formatAt(offset, length, name, value);
        });
    };
    ContainerBlot.prototype.insertAt = function (index, value, def) {
        var _a = this.children.find(index), child = _a[0], offset = _a[1];
        if (child) {
            child.insertAt(offset, value, def);
        }
        else {
            var blot = def == null ? Registry.create('text', value) : Registry.create(value, def);
            this.appendChild(blot);
        }
    };
    ContainerBlot.prototype.insertBefore = function (childBlot, refBlot) {
        if (this.statics.allowedChildren != null &amp;&amp;
            !this.statics.allowedChildren.some(function (child) {
                return childBlot instanceof child;
            })) {
            throw new Registry.ParchmentError(&quot;Cannot insert &quot; + childBlot.statics.blotName + &quot; into &quot; + this.statics.blotName);
        }
        childBlot.insertInto(this, refBlot);
    };
    ContainerBlot.prototype.length = function () {
        return this.children.reduce(function (memo, child) {
            return memo + child.length();
        }, 0);
    };
    ContainerBlot.prototype.moveChildren = function (targetParent, refNode) {
        this.children.forEach(function (child) {
            targetParent.insertBefore(child, refNode);
        });
    };
    ContainerBlot.prototype.optimize = function (context) {
        _super.prototype.optimize.call(this, context);
        if (this.children.length === 0) {
            if (this.statics.defaultChild != null) {
                var child = Registry.create(this.statics.defaultChild);
                this.appendChild(child);
                child.optimize(context);
            }
            else {
                this.remove();
            }
        }
    };
    ContainerBlot.prototype.path = function (index, inclusive) {
        if (inclusive === void 0) { inclusive = false; }
        var _a = this.children.find(index, inclusive), child = _a[0], offset = _a[1];
        var position = [[this, index]];
        if (child instanceof ContainerBlot) {
            return position.concat(child.path(offset, inclusive));
        }
        else if (child != null) {
            position.push([child, offset]);
        }
        return position;
    };
    ContainerBlot.prototype.removeChild = function (child) {
        this.children.remove(child);
    };
    ContainerBlot.prototype.replace = function (target) {
        if (target instanceof ContainerBlot) {
            target.moveChildren(this);
        }
        _super.prototype.replace.call(this, target);
    };
    ContainerBlot.prototype.split = function (index, force) {
        if (force === void 0) { force = false; }
        if (!force) {
            if (index === 0)
                return this;
            if (index === this.length())
                return this.next;
        }
        var after = this.clone();
        this.parent.insertBefore(after, this.next);
        this.children.forEachAt(index, this.length(), function (child, offset, length) {
            child = child.split(offset, force);
            after.appendChild(child);
        });
        return after;
    };
    ContainerBlot.prototype.unwrap = function () {
        this.moveChildren(this.parent, this.next);
        this.remove();
    };
    ContainerBlot.prototype.update = function (mutations, context) {
        var _this = this;
        var addedNodes = [];
        var removedNodes = [];
        mutations.forEach(function (mutation) {
            if (mutation.target === _this.domNode &amp;&amp; mutation.type === 'childList') {
                addedNodes.push.apply(addedNodes, mutation.addedNodes);
                removedNodes.push.apply(removedNodes, mutation.removedNodes);
            }
        });
        removedNodes.forEach(function (node) {
            // Check node has actually been removed
            // One exception is Chrome does not immediately remove IFRAMEs
            // from DOM but MutationRecord is correct in its reported removal
            if (node.parentNode != null &amp;&amp;
                // @ts-ignore
                node.tagName !== 'IFRAME' &amp;&amp;
                document.body.compareDocumentPosition(node) &amp; Node.DOCUMENT_POSITION_CONTAINED_BY) {
                return;
            }
            var blot = Registry.find(node);
            if (blot == null)
                return;
            if (blot.domNode.parentNode == null || blot.domNode.parentNode === _this.domNode) {
                blot.detach();
            }
        });
        addedNodes
            .filter(function (node) {
            return node.parentNode == _this.domNode;
        })
            .sort(function (a, b) {
            if (a === b)
                return 0;
            if (a.compareDocumentPosition(b) &amp; Node.DOCUMENT_POSITION_FOLLOWING) {
                return 1;
            }
            return -1;
        })
            .forEach(function (node) {
            var refBlot = null;
            if (node.nextSibling != null) {
                refBlot = Registry.find(node.nextSibling);
            }
            var blot = makeBlot(node);
            if (blot.next != refBlot || blot.next == null) {
                if (blot.parent != null) {
                    blot.parent.removeChild(_this);
                }
                _this.insertBefore(blot, refBlot || undefined);
            }
        });
    };
    return ContainerBlot;
}(shadow_1.default));
function makeBlot(node) {
    var blot = Registry.find(node);
    if (blot == null) {
        try {
            blot = Registry.create(node);
        }
        catch (e) {
            blot = Registry.create(Registry.Scope.INLINE);
            [].slice.call(node.childNodes).forEach(function (child) {
                // @ts-ignore
                blot.domNode.appendChild(child);
            });
            if (node.parentNode) {
                node.parentNode.replaceChild(blot.domNode, node);
            }
            blot.attach();
        }
    }
    return blot;
}
exports.default = ContainerBlot;


/***/ }),
/* 18 */
/***/ (function(module, exports, __webpack_require__) {

&quot;use strict&quot;;

var __extends = (this &amp;&amp; this.__extends) || (function () {
    var extendStatics = Object.setPrototypeOf ||
        ({ __proto__: [] } instanceof Array &amp;&amp; function (d, b) { d.__proto__ = b; }) ||
        function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
    return function (d, b) {
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
Object.defineProperty(exports, &quot;__esModule&quot;, { value: true });
var attributor_1 = __webpack_require__(12);
var store_1 = __webpack_require__(31);
var container_1 = __webpack_require__(17);
var Registry = __webpack_require__(1);
var FormatBlot = /** @class */ (function (_super) {
    __extends(FormatBlot, _super);
    function FormatBlot(domNode) {
        var _this = _super.call(this, domNode) || this;
        _this.attributes = new store_1.default(_this.domNode);
        return _this;
    }
    FormatBlot.formats = function (domNode) {
        if (typeof this.tagName === 'string') {
            return true;
        }
        else if (Array.isArray(this.tagName)) {
            return domNode.tagName.toLowerCase();
        }
        return undefined;
    };
    FormatBlot.prototype.format = function (name, value) {
        var format = Registry.query(name);
        if (format instanceof attributor_1.default) {
            this.attributes.attribute(format, value);
        }
        else if (value) {
            if (format != null &amp;&amp; (name !== this.statics.blotName || this.formats()[name] !== value)) {
                this.replaceWith(name, value);
            }
        }
    };
    FormatBlot.prototype.formats = function () {
        var formats = this.attributes.values();
        var format = this.statics.formats(this.domNode);
        if (format != null) {
            formats[this.statics.blotName] = format;
        }
        return formats;
    };
    FormatBlot.prototype.replaceWith = function (name, value) {
        var replacement = _super.prototype.replaceWith.call(this, name, value);
        this.attributes.copy(replacement);
        return replacement;
    };
    FormatBlot.prototype.update = function (mutations, context) {
        var _this = this;
        _super.prototype.update.call(this, mutations, context);
        if (mutations.some(function (mutation) {
            return mutation.target === _this.domNode &amp;&amp; mutation.type === 'attributes';
        })) {
            this.attributes.build();
        }
    };
    FormatBlot.prototype.wrap = function (name, value) {
        var wrapper = _super.prototype.wrap.call(this, name, value);
        if (wrapper instanceof FormatBlot &amp;&amp; wrapper.statics.scope === this.statics.scope) {
            this.attributes.move(wrapper);
        }
        return wrapper;
    };
    return FormatBlot;
}(container_1.default));
exports.default = FormatBlot;


/***/ }),
/* 19 */
/***/ (function(module, exports, __webpack_require__) {

&quot;use strict&quot;;

var __extends = (this &amp;&amp; this.__extends) || (function () {
    var extendStatics = Object.setPrototypeOf ||
        ({ __proto__: [] } instanceof Array &amp;&amp; function (d, b) { d.__proto__ = b; }) ||
        function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
    return function (d, b) {
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
Object.defineProperty(exports, &quot;__esModule&quot;, { value: true });
var shadow_1 = __webpack_require__(30);
var Registry = __webpack_require__(1);
var LeafBlot = /** @class */ (function (_super) {
    __extends(LeafBlot, _super);
    function LeafBlot() {
        return _super !== null &amp;&amp; _super.apply(this, arguments) || this;
    }
    LeafBlot.value = function (domNode) {
        return true;
    };
    LeafBlot.prototype.index = function (node, offset) {
        if (this.domNode === node ||
            this.domNode.compareDocumentPosition(node) &amp; Node.DOCUMENT_POSITION_CONTAINED_BY) {
            return Math.min(offset, 1);
        }
        return -1;
    };
    LeafBlot.prototype.position = function (index, inclusive) {
        var offset = [].indexOf.call(this.parent.domNode.childNodes, this.domNode);
        if (index &gt; 0)
            offset += 1;
        return [this.parent.domNode, offset];
    };
    LeafBlot.prototype.value = function () {
        return _a = {}, _a[this.statics.blotName] = this.statics.value(this.domNode) || true, _a;
        var _a;
    };
    LeafBlot.scope = Registry.Scope.INLINE_BLOT;
    return LeafBlot;
}(shadow_1.default));
exports.default = LeafBlot;


/***/ }),
/* 20 */
/***/ (function(module, exports, __webpack_require__) {

var equal = __webpack_require__(11);
var extend = __webpack_require__(3);


var lib = {
  attributes: {
    compose: function (a, b, keepNull) {
      if (typeof a !== 'object') a = {};
      if (typeof b !== 'object') b = {};
      var attributes = extend(true, {}, b);
      if (!keepNull) {
        attributes = Object.keys(attributes).reduce(function (copy, key) {
          if (attributes[key] != null) {
            copy[key] = attributes[key];
          }
          return copy;
        }, {});
      }
      for (var key in a) {
        if (a[key] !== undefined &amp;&amp; b[key] === undefined) {
          attributes[key] = a[key];
        }
      }
      return Object.keys(attributes).length &gt; 0 ? attributes : undefined;
    },

    diff: function(a, b) {
      if (typeof a !== 'object') a = {};
      if (typeof b !== 'object') b = {};
      var attributes = Object.keys(a).concat(Object.keys(b)).reduce(function (attributes, key) {
        if (!equal(a[key], b[key])) {
          attributes[key] = b[key] === undefined ? null : b[key];
        }
        return attributes;
      }, {});
      return Object.keys(attributes).length &gt; 0 ? attributes : undefined;
    },

    transform: function (a, b, priority) {
      if (typeof a !== 'object') return b;
      if (typeof b !== 'object') return undefined;
      if (!priority) return b;  // b simply overwrites us without priority
      var attributes = Object.keys(b).reduce(function (attributes, key) {
        if (a[key] === undefined) attributes[key] = b[key];  // null is a valid value
        return attributes;
      }, {});
      return Object.keys(attributes).length &gt; 0 ? attributes : undefined;
    }
  },

  iterator: function (ops) {
    return new Iterator(ops);
  },

  length: function (op) {
    if (typeof op['delete'] === 'number') {
      return op['delete'];
    } else if (typeof op.retain === 'number') {
      return op.retain;
    } else {
      return typeof op.insert === 'string' ? op.insert.length : 1;
    }
  }
};


function Iterator(ops) {
  this.ops = ops;
  this.index = 0;
  this.offset = 0;
};

Iterator.prototype.hasNext = function () {
  return this.peekLength() &lt; Infinity;
};

Iterator.prototype.next = function (length) {
  if (!length) length = Infinity;
  var nextOp = this.ops[this.index];
  if (nextOp) {
    var offset = this.offset;
    var opLength = lib.length(nextOp)
    if (length &gt;= opLength - offset) {
      length = opLength - offset;
      this.index += 1;
      this.offset = 0;
    } else {
      this.offset += length;
    }
    if (typeof nextOp['delete'] === 'number') {
      return { 'delete': length };
    } else {
      var retOp = {};
      if (nextOp.attributes) {
        retOp.attributes = nextOp.attributes;
      }
      if (typeof nextOp.retain === 'number') {
        retOp.retain = length;
      } else if (typeof nextOp.insert === 'string') {
        retOp.insert = nextOp.insert.substr(offset, length);
      } else {
        // offset should === 0, length should === 1
        retOp.insert = nextOp.insert;
      }
      return retOp;
    }
  } else {
    return { retain: Infinity };
  }
};

Iterator.prototype.peek = function () {
  return this.ops[this.index];
};

Iterator.prototype.peekLength = function () {
  if (this.ops[this.index]) {
    // Should never return 0 if our index is being managed correctly
    return lib.length(this.ops[this.index]) - this.offset;
  } else {
    return Infinity;
  }
};

Iterator.prototype.peekType = function () {
  if (this.ops[this.index]) {
    if (typeof this.ops[this.index]['delete'] === 'number') {
      return 'delete';
    } else if (typeof this.ops[this.index].retain === 'number') {
      return 'retain';
    } else {
      return 'insert';
    }
  }
  return 'retain';
};


module.exports = lib;


/***/ }),
/* 21 */
/***/ (function(module, exports) {

var clone = (function() {
'use strict';

function _instanceof(obj, type) {
  return type != null &amp;&amp; obj instanceof type;
}

var nativeMap;
try {
  nativeMap = Map;
} catch(_) {
  // maybe a reference error because no `Map`. Give it a dummy value that no
  // value will ever be an instanceof.
  nativeMap = function() {};
}

var nativeSet;
try {
  nativeSet = Set;
} catch(_) {
  nativeSet = function() {};
}

var nativePromise;
try {
  nativePromise = Promise;
} catch(_) {
  nativePromise = function() {};
}

/**
 * Clones (copies) an Object using deep copying.
 *
 * This function supports circular references by default, but if you are certain
 * there are no circular references in your object, you can save some CPU time
 * by calling clone(obj, false).
 *
 * Caution: if `circular` is false and `parent` contains circular references,
 * your program may enter an infinite loop and crash.
 *
 * @param `parent` - the object to be cloned
 * @param `circular` - set to true if the object to be cloned may contain
 *    circular references. (optional - true by default)
 * @param `depth` - set to a number if the object is only to be cloned to
 *    a particular depth. (optional - defaults to Infinity)
 * @param `prototype` - sets the prototype to be used when cloning an object.
 *    (optional - defaults to parent prototype).
 * @param `includeNonEnumerable` - set to true if the non-enumerable properties
 *    should be cloned as well. Non-enumerable properties on the prototype
 *    chain will be ignored. (optional - false by default)
*/
function clone(parent, circular, depth, prototype, includeNonEnumerable) {
  if (typeof circular === 'object') {
    depth = circular.depth;
    prototype = circular.prototype;
    includeNonEnumerable = circular.includeNonEnumerable;
    circular = circular.circular;
  }
  // maintain two arrays for circular references, where corresponding parents
  // and children have the same index
  var allParents = [];
  var allChildren = [];

  var useBuffer = typeof Buffer != 'undefined';

  if (typeof circular == 'undefined')
    circular = true;

  if (typeof depth == 'undefined')
    depth = Infinity;

  // recurse this function so we don't reset allParents and allChildren
  function _clone(parent, depth) {
    // cloning null always returns null
    if (parent === null)
      return null;

    if (depth === 0)
      return parent;

    var child;
    var proto;
    if (typeof parent != 'object') {
      return parent;
    }

    if (_instanceof(parent, nativeMap)) {
      child = new nativeMap();
    } else if (_instanceof(parent, nativeSet)) {
      child = new nativeSet();
    } else if (_instanceof(parent, nativePromise)) {
      child = new nativePromise(function (resolve, reject) {
        parent.then(function(value) {
          resolve(_clone(value, depth - 1));
        }, function(err) {
          reject(_clone(err, depth - 1));
        });
      });
    } else if (clone.__isArray(parent)) {
      child = [];
    } else if (clone.__isRegExp(parent)) {
      child = new RegExp(parent.source, __getRegExpFlags(parent));
      if (parent.lastIndex) child.lastIndex = parent.lastIndex;
    } else if (clone.__isDate(parent)) {
      child = new Date(parent.getTime());
    } else if (useBuffer &amp;&amp; Buffer.isBuffer(parent)) {
      child = new Buffer(parent.length);
      parent.copy(child);
      return child;
    } else if (_instanceof(parent, Error)) {
      child = Object.create(parent);
    } else {
      if (typeof prototype == 'undefined') {
        proto = Object.getPrototypeOf(parent);
        child = Object.create(proto);
      }
      else {
        child = Object.create(prototype);
        proto = prototype;
      }
    }

    if (circular) {
      var index = allParents.indexOf(parent);

      if (index != -1) {
        return allChildren[index];
      }
      allParents.push(parent);
      allChildren.push(child);
    }

    if (_instanceof(parent, nativeMap)) {
      parent.forEach(function(value, key) {
        var keyChild = _clone(key, depth - 1);
        var valueChild = _clone(value, depth - 1);
        child.set(keyChild, valueChild);
      });
    }
    if (_instanceof(parent, nativeSet)) {
      parent.forEach(function(value) {
        var entryChild = _clone(value, depth - 1);
        child.add(entryChild);
      });
    }

    for (var i in parent) {
      var attrs;
      if (proto) {
        attrs = Object.getOwnPropertyDescriptor(proto, i);
      }

      if (attrs &amp;&amp; attrs.set == null) {
        continue;
      }
      child[i] = _clone(parent[i], depth - 1);
    }

    if (Object.getOwnPropertySymbols) {
      var symbols = Object.getOwnPropertySymbols(parent);
      for (var i = 0; i &lt; symbols.length; i++) {
        // Don't need to worry about cloning a symbol because it is a primitive,
        // like a number or string.
        var symbol = symbols[i];
        var descriptor = Object.getOwnPropertyDescriptor(parent, symbol);
        if (descriptor &amp;&amp; !descriptor.enumerable &amp;&amp; !includeNonEnumerable) {
          continue;
        }
        child[symbol] = _clone(parent[symbol], depth - 1);
        if (!descriptor.enumerable) {
          Object.defineProperty(child, symbol, {
            enumerable: false
          });
        }
      }
    }

    if (includeNonEnumerable) {
      var allPropertyNames = Object.getOwnPropertyNames(parent);
      for (var i = 0; i &lt; allPropertyNames.length; i++) {
        var propertyName = allPropertyNames[i];
        var descriptor = Object.getOwnPropertyDescriptor(parent, propertyName);
        if (descriptor &amp;&amp; descriptor.enumerable) {
          continue;
        }
        child[propertyName] = _clone(parent[propertyName], depth - 1);
        Object.defineProperty(child, propertyName, {
          enumerable: false
        });
      }
    }

    return child;
  }

  return _clone(parent, depth);
}

/**
 * Simple flat clone using prototype, accepts only objects, usefull for property
 * override on FLAT configuration object (no nested props).
 *
 * USE WITH CAUTION! This may not behave as you wish if you do not know how this
 * works.
 */
clone.clonePrototype = function clonePrototype(parent) {
  if (parent === null)
    return null;

  var c = function () {};
  c.prototype = parent;
  return new c();
};

// private utility functions

function __objToStr(o) {
  return Object.prototype.toString.call(o);
}
clone.__objToStr = __objToStr;

function __isDate(o) {
  return typeof o === 'object' &amp;&amp; __objToStr(o) === '[object Date]';
}
clone.__isDate = __isDate;

function __isArray(o) {
  return typeof o === 'object' &amp;&amp; __objToStr(o) === '[object Array]';
}
clone.__isArray = __isArray;

function __isRegExp(o) {
  return typeof o === 'object' &amp;&amp; __objToStr(o) === '[object RegExp]';
}
clone.__isRegExp = __isRegExp;

function __getRegExpFlags(re) {
  var flags = '';
  if (re.global) flags += 'g';
  if (re.ignoreCase) flags += 'i';
  if (re.multiline) flags += 'm';
  return flags;
}
clone.__getRegExpFlags = __getRegExpFlags;

return clone;
})();

if (typeof module === 'object' &amp;&amp; module.exports) {
  module.exports = clone;
}


/***/ }),
/* 22 */
/***/ (function(module, exports, __webpack_require__) {

&quot;use strict&quot;;


Object.defineProperty(exports, &quot;__esModule&quot;, {
  value: true
});

var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i &amp;&amp; _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n &amp;&amp; _i[&quot;return&quot;]) _i[&quot;return&quot;](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError(&quot;Invalid attempt to destructure non-iterable instance&quot;); } }; }();

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i &lt; props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (&quot;value&quot; in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

var _get = function get(object, property, receiver) { if (object === null) object = Function.prototype; var desc = Object.getOwnPropertyDescriptor(object, property); if (desc === undefined) { var parent = Object.getPrototypeOf(object); if (parent === null) { return undefined; } else { return get(parent, property, receiver); } } else if (&quot;value&quot; in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } };

var _parchment = __webpack_require__(0);

var _parchment2 = _interopRequireDefault(_parchment);

var _emitter = __webpack_require__(8);

var _emitter2 = _interopRequireDefault(_emitter);

var _block = __webpack_require__(4);

var _block2 = _interopRequireDefault(_block);

var _break = __webpack_require__(16);

var _break2 = _interopRequireDefault(_break);

var _code = __webpack_require__(13);

var _code2 = _interopRequireDefault(_code);

var _container = __webpack_require__(25);

var _container2 = _interopRequireDefault(_container);

function _interopRequireDefault(obj) { return obj &amp;&amp; obj.__esModule ? obj : { default: obj }; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(&quot;Cannot call a class as a function&quot;); } }

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(&quot;this hasn't been initialised - super() hasn't been called&quot;); } return call &amp;&amp; (typeof call === &quot;object&quot; || typeof call === &quot;function&quot;) ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== &quot;function&quot; &amp;&amp; superClass !== null) { throw new TypeError(&quot;Super expression must either be null or a function, not &quot; + typeof superClass); } subClass.prototype = Object.create(superClass &amp;&amp; superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

function isLine(blot) {
  return blot instanceof _block2.default || blot instanceof _block.BlockEmbed;
}

var Scroll = function (_Parchment$Scroll) {
  _inherits(Scroll, _Parchment$Scroll);

  function Scroll(domNode, config) {
    _classCallCheck(this, Scroll);

    var _this = _possibleConstructorReturn(this, (Scroll.__proto__ || Object.getPrototypeOf(Scroll)).call(this, domNode));

    _this.emitter = config.emitter;
    if (Array.isArray(config.whitelist)) {
      _this.whitelist = config.whitelist.reduce(function (whitelist, format) {
        whitelist[format] = true;
        return whitelist;
      }, {});
    }
    // Some reason fixes composition issues with character languages in Windows/Chrome, Safari
    _this.domNode.addEventListener('DOMNodeInserted', function () {});
    _this.optimize();
    _this.enable();
    return _this;
  }

  _createClass(Scroll, [{
    key: 'batchStart',
    value: function batchStart() {
      this.batch = true;
    }
  }, {
    key: 'batchEnd',
    value: function batchEnd() {
      this.batch = false;
      this.optimize();
    }
  }, {
    key: 'deleteAt',
    value: function deleteAt(index, length) {
      var _line = this.line(index),
          _line2 = _slicedToArray(_line, 2),
          first = _line2[0],
          offset = _line2[1];

      var _line3 = this.line(index + length),
          _line4 = _slicedToArray(_line3, 1),
          last = _line4[0];

      _get(Scroll.prototype.__proto__ || Object.getPrototypeOf(Scroll.prototype), 'deleteAt', this).call(this, index, length);
      if (last != null &amp;&amp; first !== last &amp;&amp; offset &gt; 0) {
        if (first instanceof _block.BlockEmbed || last instanceof _block.BlockEmbed) {
          this.optimize();
          return;
        }
        if (first instanceof _code2.default) {
          var newlineIndex = first.newlineIndex(first.length(), true);
          if (newlineIndex &gt; -1) {
            first = first.split(newlineIndex + 1);
            if (first === last) {
              this.optimize();
              return;
            }
          }
        } else if (last instanceof _code2.default) {
          var _newlineIndex = last.newlineIndex(0);
          if (_newlineIndex &gt; -1) {
            last.split(_newlineIndex + 1);
          }
        }
        var ref = last.children.head instanceof _break2.default ? null : last.children.head;
        first.moveChildren(last, ref);
        first.remove();
      }
      this.optimize();
    }
  }, {
    key: 'enable',
    value: function enable() {
      var enabled = arguments.length &gt; 0 &amp;&amp; arguments[0] !== undefined ? arguments[0] : true;

      this.domNode.setAttribute('contenteditable', enabled);
    }
  }, {
    key: 'formatAt',
    value: function formatAt(index, length, format, value) {
      if (this.whitelist != null &amp;&amp; !this.whitelist[format]) return;
      _get(Scroll.prototype.__proto__ || Object.getPrototypeOf(Scroll.prototype), 'formatAt', this).call(this, index, length, format, value);
      this.optimize();
    }
  }, {
    key: 'insertAt',
    value: function insertAt(index, value, def) {
      if (def != null &amp;&amp; this.whitelist != null &amp;&amp; !this.whitelist[value]) return;
      if (index &gt;= this.length()) {
        if (def == null || _parchment2.default.query(value, _parchment2.default.Scope.BLOCK) == null) {
          var blot = _parchment2.default.create(this.statics.defaultChild);
          this.appendChild(blot);
          if (def == null &amp;&amp; value.endsWith('\n')) {
            value = value.slice(0, -1);
          }
          blot.insertAt(0, value, def);
        } else {
          var embed = _parchment2.default.create(value, def);
          this.appendChild(embed);
        }
      } else {
        _get(Scroll.prototype.__proto__ || Object.getPrototypeOf(Scroll.prototype), 'insertAt', this).call(this, index, value, def);
      }
      this.optimize();
    }
  }, {
    key: 'insertBefore',
    value: function insertBefore(blot, ref) {
      if (blot.statics.scope === _parchment2.default.Scope.INLINE_BLOT) {
        var wrapper = _parchment2.default.create(this.statics.defaultChild);
        wrapper.appendChild(blot);
        blot = wrapper;
      }
      _get(Scroll.prototype.__proto__ || Object.getPrototypeOf(Scroll.prototype), 'insertBefore', this).call(this, blot, ref);
    }
  }, {
    key: 'leaf',
    value: function leaf(index) {
      return this.path(index).pop() || [null, -1];
    }
  }, {
    key: 'line',
    value: function line(index) {
      if (index === this.length()) {
        return this.line(index - 1);
      }
      return this.descendant(isLine, index);
    }
  }, {
    key: 'lines',
    value: function lines() {
      var index = arguments.length &gt; 0 &amp;&amp; arguments[0] !== undefined ? arguments[0] : 0;
      var length = arguments.length &gt; 1 &amp;&amp; arguments[1] !== undefined ? arguments[1] : Number.MAX_VALUE;

      var getLines = function getLines(blot, index, length) {
        var lines = [],
            lengthLeft = length;
        blot.children.forEachAt(index, length, function (child, index, length) {
          if (isLine(child)) {
            lines.push(child);
          } else if (child instanceof _parchment2.default.Container) {
            lines = lines.concat(getLines(child, index, lengthLeft));
          }
          lengthLeft -= length;
        });
        return lines;
      };
      return getLines(this, index, length);
    }
  }, {
    key: 'optimize',
    value: function optimize() {
      var mutations = arguments.length &gt; 0 &amp;&amp; arguments[0] !== undefined ? arguments[0] : [];
      var context = arguments.length &gt; 1 &amp;&amp; arguments[1] !== undefined ? arguments[1] : {};

      if (this.batch === true) return;
      _get(Scroll.prototype.__proto__ || Object.getPrototypeOf(Scroll.prototype), 'optimize', this).call(this, mutations, context);
      if (mutations.length &gt; 0) {
        this.emitter.emit(_emitter2.default.events.SCROLL_OPTIMIZE, mutations, context);
      }
    }
  }, {
    key: 'path',
    value: function path(index) {
      return _get(Scroll.prototype.__proto__ || Object.getPrototypeOf(Scroll.prototype), 'path', this).call(this, index).slice(1); // Exclude self
    }
  }, {
    key: 'update',
    value: function update(mutations) {
      if (this.batch === true) return;
      var source = _emitter2.default.sources.USER;
      if (typeof mutations === 'string') {
        source = mutations;
      }
      if (!Array.isArray(mutations)) {
        mutations = this.observer.takeRecords();
      }
      if (mutations.length &gt; 0) {
        this.emitter.emit(_emitter2.default.events.SCROLL_BEFORE_UPDATE, source, mutations);
      }
      _get(Scroll.prototype.__proto__ || Object.getPrototypeOf(Scroll.prototype), 'update', this).call(this, mutations.concat([])); // pass copy
      if (mutations.length &gt; 0) {
        this.emitter.emit(_emitter2.default.events.SCROLL_UPDATE, source, mutations);
      }
    }
  }]);

  return Scroll;
}(_parchment2.default.Scroll);

Scroll.blotName = 'scroll';
Scroll.className = 'ql-editor';
Scroll.tagName = 'DIV';
Scroll.defaultChild = 'block';
Scroll.allowedChildren = [_block2.default, _block.BlockEmbed, _container2.default];

exports.default = Scroll;

/***/ }),
/* 23 */
/***/ (function(module, exports, __webpack_require__) {

&quot;use strict&quot;;


Object.defineProperty(exports, &quot;__esModule&quot;, {
  value: true
});
exports.SHORTKEY = exports.default = undefined;

var _typeof = typeof Symbol === &quot;function&quot; &amp;&amp; typeof Symbol.iterator === &quot;symbol&quot; ? function (obj) { return typeof obj; } : function (obj) { return obj &amp;&amp; typeof Symbol === &quot;function&quot; &amp;&amp; obj.constructor === Symbol &amp;&amp; obj !== Symbol.prototype ? &quot;symbol&quot; : typeof obj; };

var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i &amp;&amp; _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n &amp;&amp; _i[&quot;return&quot;]) _i[&quot;return&quot;](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError(&quot;Invalid attempt to destructure non-iterable instance&quot;); } }; }();

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i &lt; props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (&quot;value&quot; in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

var _clone = __webpack_require__(21);

var _clone2 = _interopRequireDefault(_clone);

var _deepEqual = __webpack_require__(11);

var _deepEqual2 = _interopRequireDefault(_deepEqual);

var _extend = __webpack_require__(3);

var _extend2 = _interopRequireDefault(_extend);

var _quillDelta = __webpack_require__(2);

var _quillDelta2 = _interopRequireDefault(_quillDelta);

var _op = __webpack_require__(20);

var _op2 = _interopRequireDefault(_op);

var _parchment = __webpack_require__(0);

var _parchment2 = _interopRequireDefault(_parchment);

var _quill = __webpack_require__(5);

var _quill2 = _interopRequireDefault(_quill);

var _logger = __webpack_require__(10);

var _logger2 = _interopRequireDefault(_logger);

var _module = __webpack_require__(9);

var _module2 = _interopRequireDefault(_module);

function _interopRequireDefault(obj) { return obj &amp;&amp; obj.__esModule ? obj : { default: obj }; }

function _defineProperty(obj, key, value) { 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(&quot;Cannot call a class as a function&quot;); } }

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(&quot;this hasn't been initialised - super() hasn't been called&quot;); } return call &amp;&amp; (typeof call === &quot;object&quot; || typeof call === &quot;function&quot;) ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== &quot;function&quot; &amp;&amp; superClass !== null) { throw new TypeError(&quot;Super expression must either be null or a function, not &quot; + typeof superClass); } subClass.prototype = Object.create(superClass &amp;&amp; superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

var debug = (0, _logger2.default)('quill:keyboard');

var SHORTKEY = /Mac/i.test(navigator.platform) ? 'metaKey' : 'ctrlKey';

var Keyboard = function (_Module) {
  _inherits(Keyboard, _Module);

  _createClass(Keyboard, null, [{
    key: 'match',
    value: function match(evt, binding) {
      binding = normalize(binding);
      if (['altKey', 'ctrlKey', 'metaKey', 'shiftKey'].some(function (key) {
        return !!binding[key] !== evt[key] &amp;&amp; binding[key] !== null;
      })) {
        return false;
      }
      return binding.key === (evt.which || evt.keyCode);
    }
  }]);

  function Keyboard(quill, options) {
    _classCallCheck(this, Keyboard);

    var _this = _possibleConstructorReturn(this, (Keyboard.__proto__ || Object.getPrototypeOf(Keyboard)).call(this, quill, options));

    _this.bindings = {};
    Object.keys(_this.options.bindings).forEach(function (name) {
      if (name === 'list autofill' &amp;&amp; quill.scroll.whitelist != null &amp;&amp; !quill.scroll.whitelist['list']) {
        return;
      }
      if (_this.options.bindings[name]) {
        _this.addBinding(_this.options.bindings[name]);
      }
    });
    _this.addBinding({ key: Keyboard.keys.ENTER, shiftKey: null }, handleEnter);
    _this.addBinding({ key: Keyboard.keys.ENTER, metaKey: null, ctrlKey: null, altKey: null }, function () {});
    if (/Firefox/i.test(navigator.userAgent)) {
      // Need to handle delete and backspace for Firefox in the general case #1171
      _this.addBinding({ key: Keyboard.keys.BACKSPACE }, { collapsed: true }, handleBackspace);
      _this.addBinding({ key: Keyboard.keys.DELETE }, { collapsed: true }, handleDelete);
    } else {
      _this.addBinding({ key: Keyboard.keys.BACKSPACE }, { collapsed: true, prefix: /^.?$/ }, handleBackspace);
      _this.addBinding({ key: Keyboard.keys.DELETE }, { collapsed: true, suffix: /^.?$/ }, handleDelete);
    }
    _this.addBinding({ key: Keyboard.keys.BACKSPACE }, { collapsed: false }, handleDeleteRange);
    _this.addBinding({ key: Keyboard.keys.DELETE }, { collapsed: false }, handleDeleteRange);
    _this.addBinding({ key: Keyboard.keys.BACKSPACE, altKey: null, ctrlKey: null, metaKey: null, shiftKey: null }, { collapsed: true, offset: 0 }, handleBackspace);
    _this.listen();
    return _this;
  }

  _createClass(Keyboard, [{
    key: 'addBinding',
    value: function addBinding(key) {
      var context = arguments.length &gt; 1 &amp;&amp; arguments[1] !== undefined ? arguments[1] : {};
      var handler = arguments.length &gt; 2 &amp;&amp; arguments[2] !== undefined ? arguments[2] : {};

      var binding = normalize(key);
      if (binding == null || binding.key == null) {
        return debug.warn('Attempted to add invalid keyboard binding', binding);
      }
      if (typeof context === 'function') {
        context = { handler: context };
      }
      if (typeof handler === 'function') {
        handler = { handler: handler };
      }
      binding = (0, _extend2.default)(binding, context, handler);
      this.bindings[binding.key] = this.bindings[binding.key] || [];
      this.bindings[binding.key].push(binding);
    }
  }, {
    key: 'listen',
    value: function listen() {
      var _this2 = this;

      this.quill.root.addEventListener('keydown', function (evt) {
        if (evt.defaultPrevented) return;
        var which = evt.which || evt.keyCode;
        var bindings = (_this2.bindings[which] || []).filter(function (binding) {
          return Keyboard.match(evt, binding);
        });
        if (bindings.length === 0) return;
        var range = _this2.quill.getSelection();
        if (range == null || !_this2.quill.hasFocus()) return;

        var _quill$getLine = _this2.quill.getLine(range.index),
            _quill$getLine2 = _slicedToArray(_quill$getLine, 2),
            line = _quill$getLine2[0],
            offset = _quill$getLine2[1];

        var _quill$getLeaf = _this2.quill.getLeaf(range.index),
            _quill$getLeaf2 = _slicedToArray(_quill$getLeaf, 2),
            leafStart = _quill$getLeaf2[0],
            offsetStart = _quill$getLeaf2[1];

        var _ref = range.length === 0 ? [leafStart, offsetStart] : _this2.quill.getLeaf(range.index + range.length),
            _ref2 = _slicedToArray(_ref, 2),
            leafEnd = _ref2[0],
            offsetEnd = _ref2[1];

        var prefixText = leafStart instanceof _parchment2.default.Text ? leafStart.value().slice(0, offsetStart) : '';
        var suffixText = leafEnd instanceof _parchment2.default.Text ? leafEnd.value().slice(offsetEnd) : '';
        var curContext = {
          collapsed: range.length === 0,
          empty: range.length === 0 &amp;&amp; line.length() &lt;= 1,
          format: _this2.quill.getFormat(range),
          offset: offset,
          prefix: prefixText,
          suffix: suffixText
        };
        var prevented = bindings.some(function (binding) {
          if (binding.collapsed != null &amp;&amp; binding.collapsed !== curContext.collapsed) return false;
          if (binding.empty != null &amp;&amp; binding.empty !== curContext.empty) return false;
          if (binding.offset != null &amp;&amp; binding.offset !== curContext.offset) return false;
          if (Array.isArray(binding.format)) {
            // any format is present
            if (binding.format.every(function (name) {
              return curContext.format[name] == null;
            })) {
              return false;
            }
          } else if (_typeof(binding.format) === 'object') {
            // all formats must match
            if (!Object.keys(binding.format).every(function (name) {
              if (binding.format[name] === true) return curContext.format[name] != null;
              if (binding.format[name] === false) return curContext.format[name] == null;
              return (0, _deepEqual2.default)(binding.format[name], curContext.format[name]);
            })) {
              return false;
            }
          }
          if (binding.prefix != null &amp;&amp; !binding.prefix.test(curContext.prefix)) return false;
          if (binding.suffix != null &amp;&amp; !binding.suffix.test(curContext.suffix)) return false;
          return binding.handler.call(_this2, range, curContext) !== true;
        });
        if (prevented) {
          evt.preventDefault();
        }
      });
    }
  }]);

  return Keyboard;
}(_module2.default);

Keyboard.keys = {
  BACKSPACE: 8,
  TAB: 9,
  ENTER: 13,
  ESCAPE: 27,
  LEFT: 37,
  UP: 38,
  RIGHT: 39,
  DOWN: 40,
  DELETE: 46
};

Keyboard.DEFAULTS = {
  bindings: {
    'bold': makeFormatHandler('bold'),
    'italic': makeFormatHandler('italic'),
    'underline': makeFormatHandler('underline'),
    'indent': {
      // highlight tab or tab at beginning of list, indent or blockquote
      key: Keyboard.keys.TAB,
      format: ['blockquote', 'indent', 'list'],
      handler: function handler(range, context) {
        if (context.collapsed &amp;&amp; context.offset !== 0) return true;
        this.quill.format('indent', '+1', _quill2.default.sources.USER);
      }
    },
    'outdent': {
      key: Keyboard.keys.TAB,
      shiftKey: true,
      format: ['blockquote', 'indent', 'list'],
      // highlight tab or tab at beginning of list, indent or blockquote
      handler: function handler(range, context) {
        if (context.collapsed &amp;&amp; context.offset !== 0) return true;
        this.quill.format('indent', '-1', _quill2.default.sources.USER);
      }
    },
    'outdent backspace': {
      key: Keyboard.keys.BACKSPACE,
      collapsed: true,
      shiftKey: null,
      metaKey: null,
      ctrlKey: null,
      altKey: null,
      format: ['indent', 'list'],
      offset: 0,
      handler: function handler(range, context) {
        if (context.format.indent != null) {
          this.quill.format('indent', '-1', _quill2.default.sources.USER);
        } else if (context.format.list != null) {
          this.quill.format('list', false, _quill2.default.sources.USER);
        }
      }
    },
    'indent code-block': makeCodeBlockHandler(true),
    'outdent code-block': makeCodeBlockHandler(false),
    'remove tab': {
      key: Keyboard.keys.TAB,
      shiftKey: true,
      collapsed: true,
      prefix: /\t$/,
      handler: function handler(range) {
        this.quill.deleteText(range.index - 1, 1, _quill2.default.sources.USER);
      }
    },
    'tab': {
      key: Keyboard.keys.TAB,
      handler: function handler(range) {
        this.quill.history.cutoff();
        var delta = new _quillDelta2.default().retain(range.index).delete(range.length).insert('\t');
        this.quill.updateContents(delta, _quill2.default.sources.USER);
        this.quill.history.cutoff();
        this.quill.setSelection(range.index + 1, _quill2.default.sources.SILENT);
      }
    },
    'list empty enter': {
      key: Keyboard.keys.ENTER,
      collapsed: true,
      format: ['list'],
      empty: true,
      handler: function handler(range, context) {
        this.quill.format('list', false, _quill2.default.sources.USER);
        if (context.format.indent) {
          this.quill.format('indent', false, _quill2.default.sources.USER);
        }
      }
    },
    'checklist enter': {
      key: Keyboard.keys.ENTER,
      collapsed: true,
      format: { list: 'checked' },
      handler: function handler(range) {
        var _quill$getLine3 = this.quill.getLine(range.index),
            _quill$getLine4 = _slicedToArray(_quill$getLine3, 2),
            line = _quill$getLine4[0],
            offset = _quill$getLine4[1];

        var formats = (0, _extend2.default)({}, line.formats(), { list: 'checked' });
        var delta = new _quillDelta2.default().retain(range.index).insert('\n', formats).retain(line.length() - offset - 1).retain(1, { list: 'unchecked' });
        this.quill.updateContents(delta, _quill2.default.sources.USER);
        this.quill.setSelection(range.index + 1, _quill2.default.sources.SILENT);
        this.quill.scrollIntoView();
      }
    },
    'header enter': {
      key: Keyboard.keys.ENTER,
      collapsed: true,
      format: ['header'],
      suffix: /^$/,
      handler: function handler(range, context) {
        var _quill$getLine5 = this.quill.getLine(range.index),
            _quill$getLine6 = _slicedToArray(_quill$getLine5, 2),
            line = _quill$getLine6[0],
            offset = _quill$getLine6[1];

        var delta = new _quillDelta2.default().retain(range.index).insert('\n', context.format).retain(line.length() - offset - 1).retain(1, { header: null });
        this.quill.updateContents(delta, _quill2.default.sources.USER);
        this.quill.setSelection(range.index + 1, _quill2.default.sources.SILENT);
        this.quill.scrollIntoView();
      }
    },
    'list autofill': {
      key: ' ',
      collapsed: true,
      format: { list: false },
      prefix: /^\s*?(\d+\.|-|\*|\[ ?\]|\[x\])$/,
      handler: function handler(range, context) {
        var length = context.prefix.length;

        var _quill$getLine7 = this.quill.getLine(range.index),
            _quill$getLine8 = _slicedToArray(_quill$getLine7, 2),
            line = _quill$getLine8[0],
            offset = _quill$getLine8[1];

        if (offset &gt; length) return true;
        var value = void 0;
        switch (context.prefix.trim()) {
          case '[]':case '[ ]':
            value = 'unchecked';
            break;
          case '[x]':
            value = 'checked';
            break;
          case '-':case '*':
            value = 'bullet';
            break;
          default:
            value = 'ordered';
        }
        this.quill.insertText(range.index, ' ', _quill2.default.sources.USER);
        this.quill.history.cutoff();
        var delta = new _quillDelta2.default().retain(range.index - offset).delete(length + 1).retain(line.length() - 2 - offset).retain(1, { list: value });
        this.quill.updateContents(delta, _quill2.default.sources.USER);
        this.quill.history.cutoff();
        this.quill.setSelection(range.index - length, _quill2.default.sources.SILENT);
      }
    },
    'code exit': {
      key: Keyboard.keys.ENTER,
      collapsed: true,
      format: ['code-block'],
      prefix: /\n\n$/,
      suffix: /^\s+$/,
      handler: function handler(range) {
        var _quill$getLine9 = this.quill.getLine(range.index),
            _quill$getLine10 = _slicedToArray(_quill$getLine9, 2),
            line = _quill$getLine10[0],
            offset = _quill$getLine10[1];

        var delta = new _quillDelta2.default().retain(range.index + line.length() - offset - 2).retain(1, { 'code-block': null }).delete(1);
        this.quill.updateContents(delta, _quill2.default.sources.USER);
      }
    },
    'embed left': makeEmbedArrowHandler(Keyboard.keys.LEFT, false),
    'embed left shift': makeEmbedArrowHandler(Keyboard.keys.LEFT, true),
    'embed right': makeEmbedArrowHandler(Keyboard.keys.RIGHT, false),
    'embed right shift': makeEmbedArrowHandler(Keyboard.keys.RIGHT, true)
  }
};

function makeEmbedArrowHandler(key, shiftKey) {
  var _ref3;

  var where = key === Keyboard.keys.LEFT ? 'prefix' : 'suffix';
  return _ref3 = {
    key: key,
    shiftKey: shiftKey,
    altKey: null
  }, _defineProperty(_ref3, where, /^$/), _defineProperty(_ref3, 'handler', function handler(range) {
    var index = range.index;
    if (key === Keyboard.keys.RIGHT) {
      index += range.length + 1;
    }

    var _quill$getLeaf3 = this.quill.getLeaf(index),
        _quill$getLeaf4 = _slicedToArray(_quill$getLeaf3, 1),
        leaf = _quill$getLeaf4[0];

    if (!(leaf instanceof _parchment2.default.Embed)) return true;
    if (key === Keyboard.keys.LEFT) {
      if (shiftKey) {
        this.quill.setSelection(range.index - 1, range.length + 1, _quill2.default.sources.USER);
      } else {
        this.quill.setSelection(range.index - 1, _quill2.default.sources.USER);
      }
    } else {
      if (shiftKey) {
        this.quill.setSelection(range.index, range.length + 1, _quill2.default.sources.USER);
      } else {
        this.quill.setSelection(range.index + range.length + 1, _quill2.default.sources.USER);
      }
    }
    return false;
  }), _ref3;
}

function handleBackspace(range, context) {
  if (range.index === 0 || this.quill.getLength() &lt;= 1) return;

  var _quill$getLine11 = this.quill.getLine(range.index),
      _quill$getLine12 = _slicedToArray(_quill$getLine11, 1),
      line = _quill$getLine12[0];

  var formats = {};
  if (context.offset === 0) {
    var _quill$getLine13 = this.quill.getLine(range.index - 1),
        _quill$getLine14 = _slicedToArray(_quill$getLine13, 1),
        prev = _quill$getLine14[0];

    if (prev != null &amp;&amp; prev.length() &gt; 1) {
      var curFormats = line.formats();
      var prevFormats = this.quill.getFormat(range.index - 1, 1);
      formats = _op2.default.attributes.diff(curFormats, prevFormats) || {};
    }
  }
  // Check for astral symbols
  var length = /[\uD800-\uDBFF][\uDC00-\uDFFF]$/.test(context.prefix) ? 2 : 1;
  this.quill.deleteText(range.index - length, length, _quill2.default.sources.USER);
  if (Object.keys(formats).length &gt; 0) {
    this.quill.formatLine(range.index - length, length, formats, _quill2.default.sources.USER);
  }
  this.quill.focus();
}

function handleDelete(range, context) {
  // Check for astral symbols
  var length = /^[\uD800-\uDBFF][\uDC00-\uDFFF]/.test(context.suffix) ? 2 : 1;
  if (range.index &gt;= this.quill.getLength() - length) return;
  var formats = {},
      nextLength = 0;

  var _quill$getLine15 = this.quill.getLine(range.index),
      _quill$getLine16 = _slicedToArray(_quill$getLine15, 1),
      line = _quill$getLine16[0];

  if (context.offset &gt;= line.length() - 1) {
    var _quill$getLine17 = this.quill.getLine(range.index + 1),
        _quill$getLine18 = _slicedToArray(_quill$getLine17, 1),
        next = _quill$getLine18[0];

    if (next) {
      var curFormats = line.formats();
      var nextFormats = this.quill.getFormat(range.index, 1);
      formats = _op2.default.attributes.diff(curFormats, nextFormats) || {};
      nextLength = next.length();
    }
  }
  this.quill.deleteText(range.index, length, _quill2.default.sources.USER);
  if (Object.keys(formats).length &gt; 0) {
    this.quill.formatLine(range.index + nextLength - 1, length, formats, _quill2.default.sources.USER);
  }
}

function handleDeleteRange(range) {
  var lines = this.quill.getLines(range);
  var formats = {};
  if (lines.length &gt; 1) {
    var firstFormats = lines[0].formats();
    var lastFormats = lines[lines.length - 1].formats();
    formats = _op2.default.attributes.diff(lastFormats, firstFormats) || {};
  }
  this.quill.deleteText(range, _quill2.default.sources.USER);
  if (Object.keys(formats).length &gt; 0) {
    this.quill.formatLine(range.index, 1, formats, _quill2.default.sources.USER);
  }
  this.quill.setSelection(range.index, _quill2.default.sources.SILENT);
  this.quill.focus();
}

function handleEnter(range, context) {
  var _this3 = this;

  if (range.length &gt; 0) {
    this.quill.scroll.deleteAt(range.index, range.length); // So we do not trigger text-change
  }
  var lineFormats = Object.keys(context.format).reduce(function (lineFormats, format) {
    if (_parchment2.default.query(format, _parchment2.default.Scope.BLOCK) &amp;&amp; !Array.isArray(context.format[format])) {
      lineFormats[format] = context.format[format];
    }
    return lineFormats;
  }, {});
  this.quill.insertText(range.index, '\n', lineFormats, _quill2.default.sources.USER);
  // Earlier scroll.deleteAt might have messed up our selection,
  // so insertText's built in selection preservation is not reliable
  this.quill.setSelection(range.index + 1, _quill2.default.sources.SILENT);
  this.quill.focus();
  Object.keys(context.format).forEach(function (name) {
    if (lineFormats[name] != null) return;
    if (Array.isArray(context.format[name])) return;
    if (name === 'link') return;
    _this3.quill.format(name, context.format[name], _quill2.default.sources.USER);
  });
}

function makeCodeBlockHandler(indent) {
  return {
    key: Keyboard.keys.TAB,
    shiftKey: !indent,
    format: { 'code-block': true },
    handler: function handler(range) {
      var CodeBlock = _parchment2.default.query('code-block');
      var index = range.index,
          length = range.length;

      var _quill$scroll$descend = this.quill.scroll.descendant(CodeBlock, index),
          _quill$scroll$descend2 = _slicedToArray(_quill$scroll$descend, 2),
          block = _quill$scroll$descend2[0],
          offset = _quill$scroll$descend2[1];

      if (block == null) return;
      var scrollIndex = this.quill.getIndex(block);
      var start = block.newlineIndex(offset, true) + 1;
      var end = block.newlineIndex(scrollIndex + offset + length);
      var lines = block.domNode.textContent.slice(start, end).split('\n');
      offset = 0;
      lines.forEach(function (line, i) {
        if (indent) {
          block.insertAt(start + offset, CodeBlock.TAB);
          offset += CodeBlock.TAB.length;
          if (i === 0) {
            index += CodeBlock.TAB.length;
          } else {
            length += CodeBlock.TAB.length;
          }
        } else if (line.startsWith(CodeBlock.TAB)) {
          block.deleteAt(start + offset, CodeBlock.TAB.length);
          offset -= CodeBlock.TAB.length;
          if (i === 0) {
            index -= CodeBlock.TAB.length;
          } else {
            length -= CodeBlock.TAB.length;
          }
        }
        offset += line.length + 1;
      });
      this.quill.update(_quill2.default.sources.USER);
      this.quill.setSelection(index, length, _quill2.default.sources.SILENT);
    }
  };
}

function makeFormatHandler(format) {
  return {
    key: format[0].toUpperCase(),
    shortKey: true,
    handler: function handler(range, context) {
      this.quill.format(format, !context.format[format], _quill2.default.sources.USER);
    }
  };
}

function normalize(binding) {
  if (typeof binding === 'string' || typeof binding === 'number') {
    return normalize({ key: binding });
  }
  if ((typeof binding === 'undefined' ? 'undefined' : _typeof(binding)) === 'object') {
    binding = (0, _clone2.default)(binding, false);
  }
  if (typeof binding.key === 'string') {
    if (Keyboard.keys[binding.key.toUpperCase()] != null) {
      binding.key = Keyboard.keys[binding.key.toUpperCase()];
    } else if (binding.key.length === 1) {
      binding.key = binding.key.toUpperCase().charCodeAt(0);
    } else {
      return null;
    }
  }
  if (binding.shortKey) {
    binding[SHORTKEY] = binding.shortKey;
    delete binding.shortKey;
  }
  return binding;
}

exports.default = Keyboard;
exports.SHORTKEY = SHORTKEY;

/***/ }),
/* 24 */
/***/ (function(module, exports, __webpack_require__) {

&quot;use strict&quot;;


Object.defineProperty(exports, &quot;__esModule&quot;, {
  value: true
});

var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i &amp;&amp; _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n &amp;&amp; _i[&quot;return&quot;]) _i[&quot;return&quot;](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError(&quot;Invalid attempt to destructure non-iterable instance&quot;); } }; }();

var _get = function get(object, property, receiver) { if (object === null) object = Function.prototype; var desc = Object.getOwnPropertyDescriptor(object, property); if (desc === undefined) { var parent = Object.getPrototypeOf(object); if (parent === null) { return undefined; } else { return get(parent, property, receiver); } } else if (&quot;value&quot; in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } };

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i &lt; props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (&quot;value&quot; in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

var _parchment = __webpack_require__(0);

var _parchment2 = _interopRequireDefault(_parchment);

var _text = __webpack_require__(7);

var _text2 = _interopRequireDefault(_text);

function _interopRequireDefault(obj) { return obj &amp;&amp; obj.__esModule ? obj : { default: obj }; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(&quot;Cannot call a class as a function&quot;); } }

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(&quot;this hasn't been initialised - super() hasn't been called&quot;); } return call &amp;&amp; (typeof call === &quot;object&quot; || typeof call === &quot;function&quot;) ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== &quot;function&quot; &amp;&amp; superClass !== null) { throw new TypeError(&quot;Super expression must either be null or a function, not &quot; + typeof superClass); } subClass.prototype = Object.create(superClass &amp;&amp; superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

var Cursor = function (_Parchment$Embed) {
  _inherits(Cursor, _Parchment$Embed);

  _createClass(Cursor, null, [{
    key: 'value',
    value: function value() {
      return undefined;
    }
  }]);

  function Cursor(domNode, selection) {
    _classCallCheck(this, Cursor);

    var _this = _possibleConstructorReturn(this, (Cursor.__proto__ || Object.getPrototypeOf(Cursor)).call(this, domNode));

    _this.selection = selection;
    _this.textNode = document.createTextNode(Cursor.CONTENTS);
    _this.domNode.appendChild(_this.textNode);
    _this._length = 0;
    return _this;
  }

  _createClass(Cursor, [{
    key: 'detach',
    value: function detach() {
      // super.detach() will also clear domNode.__blot
      if (this.parent != null) this.parent.removeChild(this);
    }
  }, {
    key: 'format',
    value: function format(name, value) {
      if (this._length !== 0) {
        return _get(Cursor.prototype.__proto__ || Object.getPrototypeOf(Cursor.prototype), 'format', this).call(this, name, value);
      }
      var target = this,
          index = 0;
      while (target != null &amp;&amp; target.statics.scope !== _parchment2.default.Scope.BLOCK_BLOT) {
        index += target.offset(target.parent);
        target = target.parent;
      }
      if (target != null) {
        this._length = Cursor.CONTENTS.length;
        target.optimize();
        target.formatAt(index, Cursor.CONTENTS.length, name, value);
        this._length = 0;
      }
    }
  }, {
    key: 'index',
    value: function index(node, offset) {
      if (node === this.textNode) return 0;
      return _get(Cursor.prototype.__proto__ || Object.getPrototypeOf(Cursor.prototype), 'index', this).call(this, node, offset);
    }
  }, {
    key: 'length',
    value: function length() {
      return this._length;
    }
  }, {
    key: 'position',
    value: function position() {
      return [this.textNode, this.textNode.data.length];
    }
  }, {
    key: 'remove',
    value: function remove() {
      _get(Cursor.prototype.__proto__ || Object.getPrototypeOf(Cursor.prototype), 'remove', this).call(this);
      this.parent = null;
    }
  }, {
    key: 'restore',
    value: function restore() {
      if (this.selection.composing || this.parent == null) return;
      var textNode = this.textNode;
      var range = this.selection.getNativeRange();
      var restoreText = void 0,
          start = void 0,
          end = void 0;
      if (range != null &amp;&amp; range.start.node === textNode &amp;&amp; range.end.node === textNode) {
        var _ref = [textNode, range.start.offset, range.end.offset];
        restoreText = _ref[0];
        start = _ref[1];
        end = _ref[2];
      }
      // Link format will insert text outside of anchor tag
      while (this.domNode.lastChild != null &amp;&amp; this.domNode.lastChild !== this.textNode) {
        this.domNode.parentNode.insertBefore(this.domNode.lastChild, this.domNode);
      }
      if (this.textNode.data !== Cursor.CONTENTS) {
        var text = this.textNode.data.split(Cursor.CONTENTS).join('');
        if (this.next instanceof _text2.default) {
          restoreText = this.next.domNode;
          this.next.insertAt(0, text);
          this.textNode.data = Cursor.CONTENTS;
        } else {
          this.textNode.data = text;
          this.parent.insertBefore(_parchment2.default.create(this.textNode), this);
          this.textNode = document.createTextNode(Cursor.CONTENTS);
          this.domNode.appendChild(this.textNode);
        }
      }
      this.remove();
      if (start != null) {
        var _map = [start, end].map(function (offset) {
          return Math.max(0, Math.min(restoreText.data.length, offset - 1));
        });

        var _map2 = _slicedToArray(_map, 2);

        start = _map2[0];
        end = _map2[1];

        return {
          startNode: restoreText,
          startOffset: start,
          endNode: restoreText,
          endOffset: end
        };
      }
    }
  }, {
    key: 'update',
    value: function update(mutations, context) {
      var _this2 = this;

      if (mutations.some(function (mutation) {
        return mutation.type === 'characterData' &amp;&amp; mutation.target === _this2.textNode;
      })) {
        var range = this.restore();
        if (range) context.range = range;
      }
    }
  }, {
    key: 'value',
    value: function value() {
      return '';
    }
  }]);

  return Cursor;
}(_parchment2.default.Embed);

Cursor.blotName = 'cursor';
Cursor.className = 'ql-cursor';
Cursor.tagName = 'span';
Cursor.CONTENTS = '\uFEFF'; // Zero width no break space


exports.default = Cursor;

/***/ }),
/* 25 */
/***/ (function(module, exports, __webpack_require__) {

&quot;use strict&quot;;


Object.defineProperty(exports, &quot;__esModule&quot;, {
  value: true
});

var _parchment = __webpack_require__(0);

var _parchment2 = _interopRequireDefault(_parchment);

var _block = __webpack_require__(4);

var _block2 = _interopRequireDefault(_block);

function _interopRequireDefault(obj) { return obj &amp;&amp; obj.__esModule ? obj : { default: obj }; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(&quot;Cannot call a class as a function&quot;); } }

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(&quot;this hasn't been initialised - super() hasn't been called&quot;); } return call &amp;&amp; (typeof call === &quot;object&quot; || typeof call === &quot;function&quot;) ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== &quot;function&quot; &amp;&amp; superClass !== null) { throw new TypeError(&quot;Super expression must either be null or a function, not &quot; + typeof superClass); } subClass.prototype = Object.create(superClass &amp;&amp; superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

var Container = function (_Parchment$Container) {
  _inherits(Container, _Parchment$Container);

  function Container() {
    _classCallCheck(this, Container);

    return _possibleConstructorReturn(this, (Container.__proto__ || Object.getPrototypeOf(Container)).apply(this, arguments));
  }

  return Container;
}(_parchment2.default.Container);

Container.allowedChildren = [_block2.default, _block.BlockEmbed, Container];

exports.default = Container;

/***/ }),
/* 26 */
/***/ (function(module, exports, __webpack_require__) {

&quot;use strict&quot;;


Object.defineProperty(exports, &quot;__esModule&quot;, {
  value: true
});
exports.ColorStyle = exports.ColorClass = exports.ColorAttributor = undefined;

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i &lt; props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (&quot;value&quot; in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

var _get = function get(object, property, receiver) { if (object === null) object = Function.prototype; var desc = Object.getOwnPropertyDescriptor(object, property); if (desc === undefined) { var parent = Object.getPrototypeOf(object); if (parent === null) { return undefined; } else { return get(parent, property, receiver); } } else if (&quot;value&quot; in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } };

var _parchment = __webpack_require__(0);

var _parchment2 = _interopRequireDefault(_parchment);

function _interopRequireDefault(obj) { return obj &amp;&amp; obj.__esModule ? obj : { default: obj }; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(&quot;Cannot call a class as a function&quot;); } }

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(&quot;this hasn't been initialised - super() hasn't been called&quot;); } return call &amp;&amp; (typeof call === &quot;object&quot; || typeof call === &quot;function&quot;) ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== &quot;function&quot; &amp;&amp; superClass !== null) { throw new TypeError(&quot;Super expression must either be null or a function, not &quot; + typeof superClass); } subClass.prototype = Object.create(superClass &amp;&amp; superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

var ColorAttributor = function (_Parchment$Attributor) {
  _inherits(ColorAttributor, _Parchment$Attributor);

  function ColorAttributor() {
    _classCallCheck(this, ColorAttributor);

    return _possibleConstructorReturn(this, (ColorAttributor.__proto__ || Object.getPrototypeOf(ColorAttributor)).apply(this, arguments));
  }

  _createClass(ColorAttributor, [{
    key: 'value',
    value: function value(domNode) {
      var value = _get(ColorAttributor.prototype.__proto__ || Object.getPrototypeOf(ColorAttributor.prototype), 'value', this).call(this, domNode);
      if (!value.startsWith('rgb(')) return value;
      value = value.replace(/^[^\d]+/, '').replace(/[^\d]+$/, '');
      return '#' + value.split(',').map(function (component) {
        return ('00' + parseInt(component).toString(16)).slice(-2);
      }).join('');
    }
  }]);

  return ColorAttributor;
}(_parchment2.default.Attributor.Style);

var ColorClass = new _parchment2.default.Attributor.Class('color', 'ql-color', {
  scope: _parchment2.default.Scope.INLINE
});
var ColorStyle = new ColorAttributor('color', 'color', {
  scope: _parchment2.default.Scope.INLINE
});

exports.ColorAttributor = ColorAttributor;
exports.ColorClass = ColorClass;
exports.ColorStyle = ColorStyle;

/***/ }),
/* 27 */,
/* 28 */,
/* 29 */
/***/ (function(module, exports, __webpack_require__) {

&quot;use strict&quot;;


Object.defineProperty(exports, &quot;__esModule&quot;, {
  value: true
});

var _parchment = __webpack_require__(0);

var _parchment2 = _interopRequireDefault(_parchment);

var _quill = __webpack_require__(5);

var _quill2 = _interopRequireDefault(_quill);

var _block = __webpack_require__(4);

var _block2 = _interopRequireDefault(_block);

var _break = __webpack_require__(16);

var _break2 = _interopRequireDefault(_break);

var _container = __webpack_require__(25);

var _container2 = _interopRequireDefault(_container);

var _cursor = __webpack_require__(24);

var _cursor2 = _interopRequireDefault(_cursor);

var _embed = __webpack_require__(35);

var _embed2 = _interopRequireDefault(_embed);

var _inline = __webpack_require__(6);

var _inline2 = _interopRequireDefault(_inline);

var _scroll = __webpack_require__(22);

var _scroll2 = _interopRequireDefault(_scroll);

var _text = __webpack_require__(7);

var _text2 = _interopRequireDefault(_text);

var _clipboard = __webpack_require__(55);

var _clipboard2 = _interopRequireDefault(_clipboard);

var _history = __webpack_require__(42);

var _history2 = _interopRequireDefault(_history);

var _keyboard = __webpack_require__(23);

var _keyboard2 = _interopRequireDefault(_keyboard);

function _interopRequireDefault(obj) { return obj &amp;&amp; obj.__esModule ? obj : { default: obj }; }

_quill2.default.register({
  'blots/block': _block2.default,
  'blots/block/embed': _block.BlockEmbed,
  'blots/break': _break2.default,
  'blots/container': _container2.default,
  'blots/cursor': _cursor2.default,
  'blots/embed': _embed2.default,
  'blots/inline': _inline2.default,
  'blots/scroll': _scroll2.default,
  'blots/text': _text2.default,

  'modules/clipboard': _clipboard2.default,
  'modules/history': _history2.default,
  'modules/keyboard': _keyboard2.default
});

_parchment2.default.register(_block2.default, _break2.default, _cursor2.default, _inline2.default, _scroll2.default, _text2.default);

exports.default = _quill2.default;

/***/ }),
/* 30 */
/***/ (function(module, exports, __webpack_require__) {

&quot;use strict&quot;;

Object.defineProperty(exports, &quot;__esModule&quot;, { value: true });
var Registry = __webpack_require__(1);
var ShadowBlot = /** @class */ (function () {
    function ShadowBlot(domNode) {
        this.domNode = domNode;
        // @ts-ignore
        this.domNode[Registry.DATA_KEY] = { blot: this };
    }
    Object.defineProperty(ShadowBlot.prototype, &quot;statics&quot;, {
        // Hack for accessing inherited static methods
        get: function () {
            return this.constructor;
        },
        enumerable: true,
        configurable: true
    });
    ShadowBlot.create = function (value) {
        if (this.tagName == null) {
            throw new Registry.ParchmentError('Blot definition missing tagName');
        }
        var node;
        if (Array.isArray(this.tagName)) {
            if (typeof value === 'string') {
                value = value.toUpperCase();
                if (parseInt(value).toString() === value) {
                    value = parseInt(value);
                }
            }
            if (typeof value === 'number') {
                node = document.createElement(this.tagName[value - 1]);
            }
            else if (this.tagName.indexOf(value) &gt; -1) {
                node = document.createElement(value);
            }
            else {
                node = document.createElement(this.tagName[0]);
            }
        }
        else {
            node = document.createElement(this.tagName);
        }
        if (this.className) {
            node.classList.add(this.className);
        }
        return node;
    };
    ShadowBlot.prototype.attach = function () {
        if (this.parent != null) {
            this.scroll = this.parent.scroll;
        }
    };
    ShadowBlot.prototype.clone = function () {
        var domNode = this.domNode.cloneNode(false);
        return Registry.create(domNode);
    };
    ShadowBlot.prototype.detach = function () {
        if (this.parent != null)
            this.parent.removeChild(this);
        // @ts-ignore
        delete this.domNode[Registry.DATA_KEY];
    };
    ShadowBlot.prototype.deleteAt = function (index, length) {
        var blot = this.isolate(index, length);
        blot.remove();
    };
    ShadowBlot.prototype.formatAt = function (index, length, name, value) {
        var blot = this.isolate(index, length);
        if (Registry.query(name, Registry.Scope.BLOT) != null &amp;&amp; value) {
            blot.wrap(name, value);
        }
        else if (Registry.query(name, Registry.Scope.ATTRIBUTE) != null) {
            var parent = Registry.create(this.statics.scope);
            blot.wrap(parent);
            parent.format(name, value);
        }
    };
    ShadowBlot.prototype.insertAt = function (index, value, def) {
        var blot = def == null ? Registry.create('text', value) : Registry.create(value, def);
        var ref = this.split(index);
        this.parent.insertBefore(blot, ref);
    };
    ShadowBlot.prototype.insertInto = function (parentBlot, refBlot) {
        if (refBlot === void 0) { refBlot = null; }
        if (this.parent != null) {
            this.parent.children.remove(this);
        }
        var refDomNode = null;
        parentBlot.children.insertBefore(this, refBlot);
        if (refBlot != null) {
            refDomNode = refBlot.domNode;
        }
        if (this.domNode.parentNode != parentBlot.domNode ||
            this.domNode.nextSibling != refDomNode) {
            parentBlot.domNode.insertBefore(this.domNode, refDomNode);
        }
        this.parent = parentBlot;
        this.attach();
    };
    ShadowBlot.prototype.isolate = function (index, length) {
        var target = this.split(index);
        target.split(length);
        return target;
    };
    ShadowBlot.prototype.length = function () {
        return 1;
    };
    ShadowBlot.prototype.offset = function (root) {
        if (root === void 0) { root = this.parent; }
        if (this.parent == null || this == root)
            return 0;
        return this.parent.children.offset(this) + this.parent.offset(root);
    };
    ShadowBlot.prototype.optimize = function (context) {
        // TODO clean up once we use WeakMap
        // @ts-ignore
        if (this.domNode[Registry.DATA_KEY] != null) {
            // @ts-ignore
            delete this.domNode[Registry.DATA_KEY].mutations;
        }
    };
    ShadowBlot.prototype.remove = function () {
        if (this.domNode.parentNode != null) {
            this.domNode.parentNode.removeChild(this.domNode);
        }
        this.detach();
    };
    ShadowBlot.prototype.replace = function (target) {
        if (target.parent == null)
            return;
        target.parent.insertBefore(this, target.next);
        target.remove();
    };
    ShadowBlot.prototype.replaceWith = function (name, value) {
        var replacement = typeof name === 'string' ? Registry.create(name, value) : name;
        replacement.replace(this);
        return replacement;
    };
    ShadowBlot.prototype.split = function (index, force) {
        return index === 0 ? this : this.next;
    };
    ShadowBlot.prototype.update = function (mutations, context) {
        // Nothing to do by default
    };
    ShadowBlot.prototype.wrap = function (name, value) {
        var wrapper = typeof name === 'string' ? Registry.create(name, value) : name;
        if (this.parent != null) {
            this.parent.insertBefore(wrapper, this.next);
        }
        wrapper.appendChild(this);
        return wrapper;
    };
    ShadowBlot.blotName = 'abstract';
    return ShadowBlot;
}());
exports.default = ShadowBlot;


/***/ }),
/* 31 */
/***/ (function(module, exports, __webpack_require__) {

&quot;use strict&quot;;

Object.defineProperty(exports, &quot;__esModule&quot;, { value: true });
var attributor_1 = __webpack_require__(12);
var class_1 = __webpack_require__(32);
var style_1 = __webpack_require__(33);
var Registry = __webpack_require__(1);
var AttributorStore = /** @class */ (function () {
    function AttributorStore(domNode) {
        this.attributes = {};
        this.domNode = domNode;
        this.build();
    }
    AttributorStore.prototype.attribute = function (attribute, value) {
        // verb
        if (value) {
            if (attribute.add(this.domNode, value)) {
                if (attribute.value(this.domNode) != null) {
                    this.attributes[attribute.attrName] = attribute;
                }
                else {
                    delete this.attributes[attribute.attrName];
                }
            }
        }
        else {
            attribute.remove(this.domNode);
            delete this.attributes[attribute.attrName];
        }
    };
    AttributorStore.prototype.build = function () {
        var _this = this;
        this.attributes = {};
        var attributes = attributor_1.default.keys(this.domNode);
        var classes = class_1.default.keys(this.domNode);
        var styles = style_1.default.keys(this.domNode);
        attributes
            .concat(classes)
            .concat(styles)
            .forEach(function (name) {
            var attr = Registry.query(name, Registry.Scope.ATTRIBUTE);
            if (attr instanceof attributor_1.default) {
                _this.attributes[attr.attrName] = attr;
            }
        });
    };
    AttributorStore.prototype.copy = function (target) {
        var _this = this;
        Object.keys(this.attributes).forEach(function (key) {
            var value = _this.attributes[key].value(_this.domNode);
            target.format(key, value);
        });
    };
    AttributorStore.prototype.move = function (target) {
        var _this = this;
        this.copy(target);
        Object.keys(this.attributes).forEach(function (key) {
            _this.attributes[key].remove(_this.domNode);
        });
        this.attributes = {};
    };
    AttributorStore.prototype.values = function () {
        var _this = this;
        return Object.keys(this.attributes).reduce(function (attributes, name) {
            attributes[name] = _this.attributes[name].value(_this.domNode);
            return attributes;
        }, {});
    };
    return AttributorStore;
}());
exports.default = AttributorStore;


/***/ }),
/* 32 */
/***/ (function(module, exports, __webpack_require__) {

&quot;use strict&quot;;

var __extends = (this &amp;&amp; this.__extends) || (function () {
    var extendStatics = Object.setPrototypeOf ||
        ({ __proto__: [] } instanceof Array &amp;&amp; function (d, b) { d.__proto__ = b; }) ||
        function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
    return function (d, b) {
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
Object.defineProperty(exports, &quot;__esModule&quot;, { value: true });
var attributor_1 = __webpack_require__(12);
function match(node, prefix) {
    var className = node.getAttribute('class') || '';
    return className.split(/\s+/).filter(function (name) {
        return name.indexOf(prefix + &quot;-&quot;) === 0;
    });
}
var ClassAttributor = /** @class */ (function (_super) {
    __extends(ClassAttributor, _super);
    function ClassAttributor() {
        return _super !== null &amp;&amp; _super.apply(this, arguments) || this;
    }
    ClassAttributor.keys = function (node) {
        return (node.getAttribute('class') || '').split(/\s+/).map(function (name) {
            return name
                .split('-')
                .slice(0, -1)
                .join('-');
        });
    };
    ClassAttributor.prototype.add = function (node, value) {
        if (!this.canAdd(node, value))
            return false;
        this.remove(node);
        node.classList.add(this.keyName + &quot;-&quot; + value);
        return true;
    };
    ClassAttributor.prototype.remove = function (node) {
        var matches = match(node, this.keyName);
        matches.forEach(function (name) {
            node.classList.remove(name);
        });
        if (node.classList.length === 0) {
            node.removeAttribute('class');
        }
    };
    ClassAttributor.prototype.value = function (node) {
        var result = match(node, this.keyName)[0] || '';
        var value = result.slice(this.keyName.length + 1); // +1 for hyphen
        return this.canAdd(node, value) ? value : '';
    };
    return ClassAttributor;
}(attributor_1.default));
exports.default = ClassAttributor;


/***/ }),
/* 33 */
/***/ (function(module, exports, __webpack_require__) {

&quot;use strict&quot;;

var __extends = (this &amp;&amp; this.__extends) || (function () {
    var extendStatics = Object.setPrototypeOf ||
        ({ __proto__: [] } instanceof Array &amp;&amp; function (d, b) { d.__proto__ = b; }) ||
        function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
    return function (d, b) {
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
Object.defineProperty(exports, &quot;__esModule&quot;, { value: true });
var attributor_1 = __webpack_require__(12);
function camelize(name) {
    var parts = name.split('-');
    var rest = parts
        .slice(1)
        .map(function (part) {
        return part[0].toUpperCase() + part.slice(1);
    })
        .join('');
    return parts[0] + rest;
}
var StyleAttributor = /** @class */ (function (_super) {
    __extends(StyleAttributor, _super);
    function StyleAttributor() {
        return _super !== null &amp;&amp; _super.apply(this, arguments) || this;
    }
    StyleAttributor.keys = function (node) {
        return (node.getAttribute('style') || '').split(';').map(function (value) {
            var arr = value.split(':');
            return arr[0].trim();
        });
    };
    StyleAttributor.prototype.add = function (node, value) {
        if (!this.canAdd(node, value))
            return false;
        // @ts-ignore
        node.style[camelize(this.keyName)] = value;
        return true;
    };
    StyleAttributor.prototype.remove = function (node) {
        // @ts-ignore
        node.style[camelize(this.keyName)] = '';
        if (!node.getAttribute('style')) {
            node.removeAttribute('style');
        }
    };
    StyleAttributor.prototype.value = function (node) {
        // @ts-ignore
        var value = node.style[camelize(this.keyName)];
        return this.canAdd(node, value) ? value : '';
    };
    return StyleAttributor;
}(attributor_1.default));
exports.default = StyleAttributor;


/***/ }),
/* 34 */
/***/ (function(module, exports, __webpack_require__) {

&quot;use strict&quot;;


Object.defineProperty(exports, &quot;__esModule&quot;, {
  value: true
});

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i &lt; props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (&quot;value&quot; in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(&quot;Cannot call a class as a function&quot;); } }

var Theme = function () {
  function Theme(quill, options) {
    _classCallCheck(this, Theme);

    this.quill = quill;
    this.options = options;
    this.modules = {};
  }

  _createClass(Theme, [{
    key: 'init',
    value: function init() {
      var _this = this;

      Object.keys(this.options.modules).forEach(function (name) {
        if (_this.modules[name] == null) {
          _this.addModule(name);
        }
      });
    }
  }, {
    key: 'addModule',
    value: function addModule(name) {
      var moduleClass = this.quill.constructor.import('modules/' + name);
      this.modules[name] = new moduleClass(this.quill, this.options.modules[name] || {});
      return this.modules[name];
    }
  }]);

  return Theme;
}();

Theme.DEFAULTS = {
  modules: {}
};
Theme.themes = {
  'default': Theme
};

exports.default = Theme;

/***/ }),
/* 35 */
/***/ (function(module, exports, __webpack_require__) {

&quot;use strict&quot;;


Object.defineProperty(exports, &quot;__esModule&quot;, {
  value: true
});

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i &lt; props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (&quot;value&quot; in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

var _get = function get(object, property, receiver) { if (object === null) object = Function.prototype; var desc = Object.getOwnPropertyDescriptor(object, property); if (desc === undefined) { var parent = Object.getPrototypeOf(object); if (parent === null) { return undefined; } else { return get(parent, property, receiver); } } else if (&quot;value&quot; in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } };

var _parchment = __webpack_require__(0);

var _parchment2 = _interopRequireDefault(_parchment);

var _text = __webpack_require__(7);

var _text2 = _interopRequireDefault(_text);

function _interopRequireDefault(obj) { return obj &amp;&amp; obj.__esModule ? obj : { default: obj }; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(&quot;Cannot call a class as a function&quot;); } }

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(&quot;this hasn't been initialised - super() hasn't been called&quot;); } return call &amp;&amp; (typeof call === &quot;object&quot; || typeof call === &quot;function&quot;) ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== &quot;function&quot; &amp;&amp; superClass !== null) { throw new TypeError(&quot;Super expression must either be null or a function, not &quot; + typeof superClass); } subClass.prototype = Object.create(superClass &amp;&amp; superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

var GUARD_TEXT = '\uFEFF';

var Embed = function (_Parchment$Embed) {
  _inherits(Embed, _Parchment$Embed);

  function Embed(node) {
    _classCallCheck(this, Embed);

    var _this = _possibleConstructorReturn(this, (Embed.__proto__ || Object.getPrototypeOf(Embed)).call(this, node));

    _this.contentNode = document.createElement('span');
    _this.contentNode.setAttribute('contenteditable', false);
    [].slice.call(_this.domNode.childNodes).forEach(function (childNode) {
      _this.contentNode.appendChild(childNode);
    });
    _this.leftGuard = document.createTextNode(GUARD_TEXT);
    _this.rightGuard = document.createTextNode(GUARD_TEXT);
    _this.domNode.appendChild(_this.leftGuard);
    _this.domNode.appendChild(_this.contentNode);
    _this.domNode.appendChild(_this.rightGuard);
    return _this;
  }

  _createClass(Embed, [{
    key: 'index',
    value: function index(node, offset) {
      if (node === this.leftGuard) return 0;
      if (node === this.rightGuard) return 1;
      return _get(Embed.prototype.__proto__ || Object.getPrototypeOf(Embed.prototype), 'index', this).call(this, node, offset);
    }
  }, {
    key: 'restore',
    value: function restore(node) {
      var range = void 0,
          textNode = void 0;
      var text = node.data.split(GUARD_TEXT).join('');
      if (node === this.leftGuard) {
        if (this.prev instanceof _text2.default) {
          var prevLength = this.prev.length();
          this.prev.insertAt(prevLength, text);
          range = {
            startNode: this.prev.domNode,
            startOffset: prevLength + text.length
          };
        } else {
          textNode = document.createTextNode(text);
          this.parent.insertBefore(_parchment2.default.create(textNode), this);
          range = {
            startNode: textNode,
            startOffset: text.length
          };
        }
      } else if (node === this.rightGuard) {
        if (this.next instanceof _text2.default) {
          this.next.insertAt(0, text);
          range = {
            startNode: this.next.domNode,
            startOffset: text.length
          };
        } else {
          textNode = document.createTextNode(text);
          this.parent.insertBefore(_parchment2.default.create(textNode), this.next);
          range = {
            startNode: textNode,
            startOffset: text.length
          };
        }
      }
      node.data = GUARD_TEXT;
      return range;
    }
  }, {
    key: 'update',
    value: function update(mutations, context) {
      var _this2 = this;

      mutations.forEach(function (mutation) {
        if (mutation.type === 'characterData' &amp;&amp; (mutation.target === _this2.leftGuard || mutation.target === _this2.rightGuard)) {
          var range = _this2.restore(mutation.target);
          if (range) context.range = range;
        }
      });
    }
  }]);

  return Embed;
}(_parchment2.default.Embed);

exports.default = Embed;

/***/ }),
/* 36 */
/***/ (function(module, exports, __webpack_require__) {

&quot;use strict&quot;;


Object.defineProperty(exports, &quot;__esModule&quot;, {
  value: true
});
exports.AlignStyle = exports.AlignClass = exports.AlignAttribute = undefined;

var _parchment = __webpack_require__(0);

var _parchment2 = _interopRequireDefault(_parchment);

function _interopRequireDefault(obj) { return obj &amp;&amp; obj.__esModule ? obj : { default: obj }; }

var config = {
  scope: _parchment2.default.Scope.BLOCK,
  whitelist: ['right', 'center', 'justify']
};

var AlignAttribute = new _parchment2.default.Attributor.Attribute('align', 'align', config);
var AlignClass = new _parchment2.default.Attributor.Class('align', 'ql-align', config);
var AlignStyle = new _parchment2.default.Attributor.Style('align', 'text-align', config);

exports.AlignAttribute = AlignAttribute;
exports.AlignClass = AlignClass;
exports.AlignStyle = AlignStyle;

/***/ }),
/* 37 */
/***/ (function(module, exports, __webpack_require__) {

&quot;use strict&quot;;


Object.defineProperty(exports, &quot;__esModule&quot;, {
  value: true
});
exports.BackgroundStyle = exports.BackgroundClass = undefined;

var _parchment = __webpack_require__(0);

var _parchment2 = _interopRequireDefault(_parchment);

var _color = __webpack_require__(26);

function _interopRequireDefault(obj) { return obj &amp;&amp; obj.__esModule ? obj : { default: obj }; }

var BackgroundClass = new _parchment2.default.Attributor.Class('background', 'ql-bg', {
  scope: _parchment2.default.Scope.INLINE
});
var BackgroundStyle = new _color.ColorAttributor('background', 'background-color', {
  scope: _parchment2.default.Scope.INLINE
});

exports.BackgroundClass = BackgroundClass;
exports.BackgroundStyle = BackgroundStyle;

/***/ }),
/* 38 */
/***/ (function(module, exports, __webpack_require__) {

&quot;use strict&quot;;


Object.defineProperty(exports, &quot;__esModule&quot;, {
  value: true
});
exports.DirectionStyle = exports.DirectionClass = exports.DirectionAttribute = undefined;

var _parchment = __webpack_require__(0);

var _parchment2 = _interopRequireDefault(_parchment);

function _interopRequireDefault(obj) { return obj &amp;&amp; obj.__esModule ? obj : { default: obj }; }

var config = {
  scope: _parchment2.default.Scope.BLOCK,
  whitelist: ['rtl']
};

var DirectionAttribute = new _parchment2.default.Attributor.Attribute('direction', 'dir', config);
var DirectionClass = new _parchment2.default.Attributor.Class('direction', 'ql-direction', config);
var DirectionStyle = new _parchment2.default.Attributor.Style('direction', 'direction', config);

exports.DirectionAttribute = DirectionAttribute;
exports.DirectionClass = DirectionClass;
exports.DirectionStyle = DirectionStyle;

/***/ }),
/* 39 */
/***/ (function(module, exports, __webpack_require__) {

&quot;use strict&quot;;


Object.defineProperty(exports, &quot;__esModule&quot;, {
  value: true
});
exports.FontClass = exports.FontStyle = undefined;

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i &lt; props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (&quot;value&quot; in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

var _get = function get(object, property, receiver) { if (object === null) object = Function.prototype; var desc = Object.getOwnPropertyDescriptor(object, property); if (desc === undefined) { var parent = Object.getPrototypeOf(object); if (parent === null) { return undefined; } else { return get(parent, property, receiver); } } else if (&quot;value&quot; in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } };

var _parchment = __webpack_require__(0);

var _parchment2 = _interopRequireDefault(_parchment);

function _interopRequireDefault(obj) { return obj &amp;&amp; obj.__esModule ? obj : { default: obj }; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(&quot;Cannot call a class as a function&quot;); } }

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(&quot;this hasn't been initialised - super() hasn't been called&quot;); } return call &amp;&amp; (typeof call === &quot;object&quot; || typeof call === &quot;function&quot;) ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== &quot;function&quot; &amp;&amp; superClass !== null) { throw new TypeError(&quot;Super expression must either be null or a function, not &quot; + typeof superClass); } subClass.prototype = Object.create(superClass &amp;&amp; superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

var config = {
  scope: _parchment2.default.Scope.INLINE,
  whitelist: ['serif', 'monospace']
};

var FontClass = new _parchment2.default.Attributor.Class('font', 'ql-font', config);

var FontStyleAttributor = function (_Parchment$Attributor) {
  _inherits(FontStyleAttributor, _Parchment$Attributor);

  function FontStyleAttributor() {
    _classCallCheck(this, FontStyleAttributor);

    return _possibleConstructorReturn(this, (FontStyleAttributor.__proto__ || Object.getPrototypeOf(FontStyleAttributor)).apply(this, arguments));
  }

  _createClass(FontStyleAttributor, [{
    key: 'value',
    value: function value(node) {
      return _get(FontStyleAttributor.prototype.__proto__ || Object.getPrototypeOf(FontStyleAttributor.prototype), 'value', this).call(this, node).replace(/[&quot;']/g, '');
    }
  }]);

  return FontStyleAttributor;
}(_parchment2.default.Attributor.Style);

var FontStyle = new FontStyleAttributor('font', 'font-family', config);

exports.FontStyle = FontStyle;
exports.FontClass = FontClass;

/***/ }),
/* 40 */
/***/ (function(module, exports, __webpack_require__) {

&quot;use strict&quot;;


Object.defineProperty(exports, &quot;__esModule&quot;, {
  value: true
});
exports.SizeStyle = exports.SizeClass = undefined;

var _parchment = __webpack_require__(0);

var _parchment2 = _interopRequireDefault(_parchment);

function _interopRequireDefault(obj) { return obj &amp;&amp; obj.__esModule ? obj : { default: obj }; }

var SizeClass = new _parchment2.default.Attributor.Class('size', 'ql-size', {
  scope: _parchment2.default.Scope.INLINE,
  whitelist: ['small', 'large', 'huge']
});
var SizeStyle = new _parchment2.default.Attributor.Style('size', 'font-size', {
  scope: _parchment2.default.Scope.INLINE,
  whitelist: ['10px', '18px', '32px']
});

exports.SizeClass = SizeClass;
exports.SizeStyle = SizeStyle;

/***/ }),
/* 41 */,
/* 42 */
/***/ (function(module, exports, __webpack_require__) {

&quot;use strict&quot;;


Object.defineProperty(exports, &quot;__esModule&quot;, {
  value: true
});
exports.getLastChangeIndex = exports.default = undefined;

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i &lt; props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (&quot;value&quot; in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

var _parchment = __webpack_require__(0);

var _parchment2 = _interopRequireDefault(_parchment);

var _quill = __webpack_require__(5);

var _quill2 = _interopRequireDefault(_quill);

var _module = __webpack_require__(9);

var _module2 = _interopRequireDefault(_module);

function _interopRequireDefault(obj) { return obj &amp;&amp; obj.__esModule ? obj : { default: obj }; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(&quot;Cannot call a class as a function&quot;); } }

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(&quot;this hasn't been initialised - super() hasn't been called&quot;); } return call &amp;&amp; (typeof call === &quot;object&quot; || typeof call === &quot;function&quot;) ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== &quot;function&quot; &amp;&amp; superClass !== null) { throw new TypeError(&quot;Super expression must either be null or a function, not &quot; + typeof superClass); } subClass.prototype = Object.create(superClass &amp;&amp; superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

var History = function (_Module) {
  _inherits(History, _Module);

  function History(quill, options) {
    _classCallCheck(this, History);

    var _this = _possibleConstructorReturn(this, (History.__proto__ || Object.getPrototypeOf(History)).call(this, quill, options));

    _this.lastRecorded = 0;
    _this.ignoreChange = false;
    _this.clear();
    _this.quill.on(_quill2.default.events.EDITOR_CHANGE, function (eventName, delta, oldDelta, source) {
      if (eventName !== _quill2.default.events.TEXT_CHANGE || _this.ignoreChange) return;
      if (!_this.options.userOnly || source === _quill2.default.sources.USER) {
        _this.record(delta, oldDelta);
      } else {
        _this.transform(delta);
      }
    });
    _this.quill.keyboard.addBinding({ key: 'Z', shortKey: true }, _this.undo.bind(_this));
    _this.quill.keyboard.addBinding({ key: 'Z', shortKey: true, shiftKey: true }, _this.redo.bind(_this));
    if (/Win/i.test(navigator.platform)) {
      _this.quill.keyboard.addBinding({ key: 'Y', shortKey: true }, _this.redo.bind(_this));
    }
    return _this;
  }

  _createClass(History, [{
    key: 'change',
    value: function change(source, dest) {
      if (this.stack[source].length === 0) return;
      var delta = this.stack[source].pop();
      this.stack[dest].push(delta);
      this.lastRecorded = 0;
      this.ignoreChange = true;
      this.quill.updateContents(delta[source], _quill2.default.sources.USER);
      this.ignoreChange = false;
      var index = getLastChangeIndex(delta[source]);
      this.quill.setSelection(index);
    }
  }, {
    key: 'clear',
    value: function clear() {
      this.stack = { undo: [], redo: [] };
    }
  }, {
    key: 'cutoff',
    value: function cutoff() {
      this.lastRecorded = 0;
    }
  }, {
    key: 'record',
    value: function record(changeDelta, oldDelta) {
      if (changeDelta.ops.length === 0) return;
      this.stack.redo = [];
      var undoDelta = this.quill.getContents().diff(oldDelta);
      var timestamp = Date.now();
      if (this.lastRecorded + this.options.delay &gt; timestamp &amp;&amp; this.stack.undo.length &gt; 0) {
        var delta = this.stack.undo.pop();
        undoDelta = undoDelta.compose(delta.undo);
        changeDelta = delta.redo.compose(changeDelta);
      } else {
        this.lastRecorded = timestamp;
      }
      this.stack.undo.push({
        redo: changeDelta,
        undo: undoDelta
      });
      if (this.stack.undo.length &gt; this.options.maxStack) {
        this.stack.undo.shift();
      }
    }
  }, {
    key: 'redo',
    value: function redo() {
      this.change('redo', 'undo');
    }
  }, {
    key: 'transform',
    value: function transform(delta) {
      this.stack.undo.forEach(function (change) {
        change.undo = delta.transform(change.undo, true);
        change.redo = delta.transform(change.redo, true);
      });
      this.stack.redo.forEach(function (change) {
        change.undo = delta.transform(change.undo, true);
        change.redo = delta.transform(change.redo, true);
      });
    }
  }, {
    key: 'undo',
    value: function undo() {
      this.change('undo', 'redo');
    }
  }]);

  return History;
}(_module2.default);

History.DEFAULTS = {
  delay: 1000,
  maxStack: 100,
  userOnly: false
};

function endsWithNewlineChange(delta) {
  var lastOp = delta.ops[delta.ops.length - 1];
  if (lastOp == null) return false;
  if (lastOp.insert != null) {
    return typeof lastOp.insert === 'string' &amp;&amp; lastOp.insert.endsWith('\n');
  }
  if (lastOp.attributes != null) {
    return Object.keys(lastOp.attributes).some(function (attr) {
      return _parchment2.default.query(attr, _parchment2.default.Scope.BLOCK) != null;
    });
  }
  return false;
}

function getLastChangeIndex(delta) {
  var deleteLength = delta.reduce(function (length, op) {
    length += op.delete || 0;
    return length;
  }, 0);
  var changeIndex = delta.length() - deleteLength;
  if (endsWithNewlineChange(delta)) {
    changeIndex -= 1;
  }
  return changeIndex;
}

exports.default = History;
exports.getLastChangeIndex = getLastChangeIndex;

/***/ }),
/* 43 */,
/* 44 */
/***/ (function(module, exports, __webpack_require__) {

&quot;use strict&quot;;

Object.defineProperty(exports, &quot;__esModule&quot;, { value: true });
var LinkedList = /** @class */ (function () {
    function LinkedList() {
        this.head = this.tail = null;
        this.length = 0;
    }
    LinkedList.prototype.append = function () {
        var nodes = [];
        for (var _i = 0; _i &lt; arguments.length; _i++) {
            nodes[_i] = arguments[_i];
        }
        this.insertBefore(nodes[0], null);
        if (nodes.length &gt; 1) {
            this.append.apply(this, nodes.slice(1));
        }
    };
    LinkedList.prototype.contains = function (node) {
        var cur, next = this.iterator();
        while ((cur = next())) {
            if (cur === node)
                return true;
        }
        return false;
    };
    LinkedList.prototype.insertBefore = function (node, refNode) {
        if (!node)
            return;
        node.next = refNode;
        if (refNode != null) {
            node.prev = refNode.prev;
            if (refNode.prev != null) {
                refNode.prev.next = node;
            }
            refNode.prev = node;
            if (refNode === this.head) {
                this.head = node;
            }
        }
        else if (this.tail != null) {
            this.tail.next = node;
            node.prev = this.tail;
            this.tail = node;
        }
        else {
            node.prev = null;
            this.head = this.tail = node;
        }
        this.length += 1;
    };
    LinkedList.prototype.offset = function (target) {
        var index = 0, cur = this.head;
        while (cur != null) {
            if (cur === target)
                return index;
            index += cur.length();
            cur = cur.next;
        }
        return -1;
    };
    LinkedList.prototype.remove = function (node) {
        if (!this.contains(node))
            return;
        if (node.prev != null)
            node.prev.next = node.next;
        if (node.next != null)
            node.next.prev = node.prev;
        if (node === this.head)
            this.head = node.next;
        if (node === this.tail)
            this.tail = node.prev;
        this.length -= 1;
    };
    LinkedList.prototype.iterator = function (curNode) {
        if (curNode === void 0) { curNode = this.head; }
        // TODO use yield when we can
        return function () {
            var ret = curNode;
            if (curNode != null)
                curNode = curNode.next;
            return ret;
        };
    };
    LinkedList.prototype.find = function (index, inclusive) {
        if (inclusive === void 0) { inclusive = false; }
        var cur, next = this.iterator();
        while ((cur = next())) {
            var length = cur.length();
            if (index &lt; length ||
                (inclusive &amp;&amp; index === length &amp;&amp; (cur.next == null || cur.next.length() !== 0))) {
                return [cur, index];
            }
            index -= length;
        }
        return [null, 0];
    };
    LinkedList.prototype.forEach = function (callback) {
        var cur, next = this.iterator();
        while ((cur = next())) {
            callback(cur);
        }
    };
    LinkedList.prototype.forEachAt = function (index, length, callback) {
        if (length &lt;= 0)
            return;
        var _a = this.find(index), startNode = _a[0], offset = _a[1];
        var cur, curIndex = index - offset, next = this.iterator(startNode);
        while ((cur = next()) &amp;&amp; curIndex &lt; index + length) {
            var curLength = cur.length();
            if (index &gt; curIndex) {
                callback(cur, index - curIndex, Math.min(length, curIndex + curLength - index));
            }
            else {
                callback(cur, 0, Math.min(curLength, index + length - curIndex));
            }
            curIndex += curLength;
        }
    };
    LinkedList.prototype.map = function (callback) {
        return this.reduce(function (memo, cur) {
            memo.push(callback(cur));
            return memo;
        }, []);
    };
    LinkedList.prototype.reduce = function (callback, memo) {
        var cur, next = this.iterator();
        while ((cur = next())) {
            memo = callback(memo, cur);
        }
        return memo;
    };
    return LinkedList;
}());
exports.default = LinkedList;


/***/ }),
/* 45 */
/***/ (function(module, exports, __webpack_require__) {

&quot;use strict&quot;;

var __extends = (this &amp;&amp; this.__extends) || (function () {
    var extendStatics = Object.setPrototypeOf ||
        ({ __proto__: [] } instanceof Array &amp;&amp; function (d, b) { d.__proto__ = b; }) ||
        function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
    return function (d, b) {
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
Object.defineProperty(exports, &quot;__esModule&quot;, { value: true });
var container_1 = __webpack_require__(17);
var Registry = __webpack_require__(1);
var OBSERVER_CONFIG = {
    attributes: true,
    characterData: true,
    characterDataOldValue: true,
    childList: true,
    subtree: true,
};
var MAX_OPTIMIZE_ITERATIONS = 100;
var ScrollBlot = /** @class */ (function (_super) {
    __extends(ScrollBlot, _super);
    function ScrollBlot(node) {
        var _this = _super.call(this, node) || this;
        _this.scroll = _this;
        _this.observer = new MutationObserver(function (mutations) {
            _this.update(mutations);
        });
        _this.observer.observe(_this.domNode, OBSERVER_CONFIG);
        _this.attach();
        return _this;
    }
    ScrollBlot.prototype.detach = function () {
        _super.prototype.detach.call(this);
        this.observer.disconnect();
    };
    ScrollBlot.prototype.deleteAt = function (index, length) {
        this.update();
        if (index === 0 &amp;&amp; length === this.length()) {
            this.children.forEach(function (child) {
                child.remove();
            });
        }
        else {
            _super.prototype.deleteAt.call(this, index, length);
        }
    };
    ScrollBlot.prototype.formatAt = function (index, length, name, value) {
        this.update();
        _super.prototype.formatAt.call(this, index, length, name, value);
    };
    ScrollBlot.prototype.insertAt = function (index, value, def) {
        this.update();
        _super.prototype.insertAt.call(this, index, value, def);
    };
    ScrollBlot.prototype.optimize = function (mutations, context) {
        var _this = this;
        if (mutations === void 0) { mutations = []; }
        if (context === void 0) { context = {}; }
        _super.prototype.optimize.call(this, context);
        // We must modify mutations directly, cannot make copy and then modify
        var records = [].slice.call(this.observer.takeRecords());
        // Array.push currently seems to be implemented by a non-tail recursive function
        // so we cannot just mutations.push.apply(mutations, this.observer.takeRecords());
        while (records.length &gt; 0)
            mutations.push(records.pop());
        // TODO use WeakMap
        var mark = function (blot, markParent) {
            if (markParent === void 0) { markParent = true; }
            if (blot == null || blot === _this)
                return;
            if (blot.domNode.parentNode == null)
                return;
            // @ts-ignore
            if (blot.domNode[Registry.DATA_KEY].mutations == null) {
                // @ts-ignore
                blot.domNode[Registry.DATA_KEY].mutations = [];
            }
            if (markParent)
                mark(blot.parent);
        };
        var optimize = function (blot) {
            // Post-order traversal
            if (
            // @ts-ignore
            blot.domNode[Registry.DATA_KEY] == null ||
                // @ts-ignore
                blot.domNode[Registry.DATA_KEY].mutations == null) {
                return;
            }
            if (blot instanceof container_1.default) {
                blot.children.forEach(optimize);
            }
            blot.optimize(context);
        };
        var remaining = mutations;
        for (var i = 0; remaining.length &gt; 0; i += 1) {
            if (i &gt;= MAX_OPTIMIZE_ITERATIONS) {
                throw new Error('[Parchment] Maximum optimize iterations reached');
            }
            remaining.forEach(function (mutation) {
                var blot = Registry.find(mutation.target, true);
                if (blot == null)
                    return;
                if (blot.domNode === mutation.target) {
                    if (mutation.type === 'childList') {
                        mark(Registry.find(mutation.previousSibling, false));
                        [].forEach.call(mutation.addedNodes, function (node) {
                            var child = Registry.find(node, false);
                            mark(child, false);
                            if (child instanceof container_1.default) {
                                child.children.forEach(function (grandChild) {
                                    mark(grandChild, false);
                                });
                            }
                        });
                    }
                    else if (mutation.type === 'attributes') {
                        mark(blot.prev);
                    }
                }
                mark(blot);
            });
            this.children.forEach(optimize);
            remaining = [].slice.call(this.observer.takeRecords());
            records = remaining.slice();
            while (records.length &gt; 0)
                mutations.push(records.pop());
        }
    };
    ScrollBlot.prototype.update = function (mutations, context) {
        var _this = this;
        if (context === void 0) { context = {}; }
        mutations = mutations || this.observer.takeRecords();
        // TODO use WeakMap
        mutations
            .map(function (mutation) {
            var blot = Registry.find(mutation.target, true);
            if (blot == null)
                return null;
            // @ts-ignore
            if (blot.domNode[Registry.DATA_KEY].mutations == null) {
                // @ts-ignore
                blot.domNode[Registry.DATA_KEY].mutations = [mutation];
                return blot;
            }
            else {
                // @ts-ignore
                blot.domNode[Registry.DATA_KEY].mutations.push(mutation);
                return null;
            }
        })
            .forEach(function (blot) {
            if (blot == null ||
                blot === _this ||
                //@ts-ignore
                blot.domNode[Registry.DATA_KEY] == null)
                return;
            // @ts-ignore
            blot.update(blot.domNode[Registry.DATA_KEY].mutations || [], context);
        });
        // @ts-ignore
        if (this.domNode[Registry.DATA_KEY].mutations != null) {
            // @ts-ignore
            _super.prototype.update.call(this, this.domNode[Registry.DATA_KEY].mutations, context);
        }
        this.optimize(mutations, context);
    };
    ScrollBlot.blotName = 'scroll';
    ScrollBlot.defaultChild = 'block';
    ScrollBlot.scope = Registry.Scope.BLOCK_BLOT;
    ScrollBlot.tagName = 'DIV';
    return ScrollBlot;
}(container_1.default));
exports.default = ScrollBlot;


/***/ }),
/* 46 */
/***/ (function(module, exports, __webpack_require__) {

&quot;use strict&quot;;

var __extends = (this &amp;&amp; this.__extends) || (function () {
    var extendStatics = Object.setPrototypeOf ||
        ({ __proto__: [] } instanceof Array &amp;&amp; function (d, b) { d.__proto__ = b; }) ||
        function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
    return function (d, b) {
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
Object.defineProperty(exports, &quot;__esModule&quot;, { value: true });
var format_1 = __webpack_require__(18);
var Registry = __webpack_require__(1);
// Shallow object comparison
function isEqual(obj1, obj2) {
    if (Object.keys(obj1).length !== Object.keys(obj2).length)
        return false;
    // @ts-ignore
    for (var prop in obj1) {
        // @ts-ignore
        if (obj1[prop] !== obj2[prop])
            return false;
    }
    return true;
}
var InlineBlot = /** @class */ (function (_super) {
    __extends(InlineBlot, _super);
    function InlineBlot() {
        return _super !== null &amp;&amp; _super.apply(this, arguments) || this;
    }
    InlineBlot.formats = function (domNode) {
        if (domNode.tagName === InlineBlot.tagName)
            return undefined;
        return _super.formats.call(this, domNode);
    };
    InlineBlot.prototype.format = function (name, value) {
        var _this = this;
        if (name === this.statics.blotName &amp;&amp; !value) {
            this.children.forEach(function (child) {
                if (!(child instanceof format_1.default)) {
                    child = child.wrap(InlineBlot.blotName, true);
                }
                _this.attributes.copy(child);
            });
            this.unwrap();
        }
        else {
            _super.prototype.format.call(this, name, value);
        }
    };
    InlineBlot.prototype.formatAt = function (index, length, name, value) {
        if (this.formats()[name] != null || Registry.query(name, Registry.Scope.ATTRIBUTE)) {
            var blot = this.isolate(index, length);
            blot.format(name, value);
        }
        else {
            _super.prototype.formatAt.call(this, index, length, name, value);
        }
    };
    InlineBlot.prototype.optimize = function (context) {
        _super.prototype.optimize.call(this, context);
        var formats = this.formats();
        if (Object.keys(formats).length === 0) {
            return this.unwrap(); // unformatted span
        }
        var next = this.next;
        if (next instanceof InlineBlot &amp;&amp; next.prev === this &amp;&amp; isEqual(formats, next.formats())) {
            next.moveChildren(this);
            next.remove();
        }
    };
    InlineBlot.blotName = 'inline';
    InlineBlot.scope = Registry.Scope.INLINE_BLOT;
    InlineBlot.tagName = 'SPAN';
    return InlineBlot;
}(format_1.default));
exports.default = InlineBlot;


/***/ }),
/* 47 */
/***/ (function(module, exports, __webpack_require__) {

&quot;use strict&quot;;

var __extends = (this &amp;&amp; this.__extends) || (function () {
    var extendStatics = Object.setPrototypeOf ||
        ({ __proto__: [] } instanceof Array &amp;&amp; function (d, b) { d.__proto__ = b; }) ||
        function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
    return function (d, b) {
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
Object.defineProperty(exports, &quot;__esModule&quot;, { value: true });
var format_1 = __webpack_require__(18);
var Registry = __webpack_require__(1);
var BlockBlot = /** @class */ (function (_super) {
    __extends(BlockBlot, _super);
    function BlockBlot() {
        return _super !== null &amp;&amp; _super.apply(this, arguments) || this;
    }
    BlockBlot.formats = function (domNode) {
        var tagName = Registry.query(BlockBlot.blotName).tagName;
        if (domNode.tagName === tagName)
            return undefined;
        return _super.formats.call(this, domNode);
    };
    BlockBlot.prototype.format = function (name, value) {
        if (Registry.query(name, Registry.Scope.BLOCK) == null) {
            return;
        }
        else if (name === this.statics.blotName &amp;&amp; !value) {
            this.replaceWith(BlockBlot.blotName);
        }
        else {
            _super.prototype.format.call(this, name, value);
        }
    };
    BlockBlot.prototype.formatAt = function (index, length, name, value) {
        if (Registry.query(name, Registry.Scope.BLOCK) != null) {
            this.format(name, value);
        }
        else {
            _super.prototype.formatAt.call(this, index, length, name, value);
        }
    };
    BlockBlot.prototype.insertAt = function (index, value, def) {
        if (def == null || Registry.query(value, Registry.Scope.INLINE) != null) {
            // Insert text or inline
            _super.prototype.insertAt.call(this, index, value, def);
        }
        else {
            var after = this.split(index);
            var blot = Registry.create(value, def);
            after.parent.insertBefore(blot, after);
        }
    };
    BlockBlot.prototype.update = function (mutations, context) {
        if (navigator.userAgent.match(/Trident/)) {
            this.build();
        }
        else {
            _super.prototype.update.call(this, mutations, context);
        }
    };
    BlockBlot.blotName = 'block';
    BlockBlot.scope = Registry.Scope.BLOCK_BLOT;
    BlockBlot.tagName = 'P';
    return BlockBlot;
}(format_1.default));
exports.default = BlockBlot;


/***/ }),
/* 48 */
/***/ (function(module, exports, __webpack_require__) {

&quot;use strict&quot;;

var __extends = (this &amp;&amp; this.__extends) || (function () {
    var extendStatics = Object.setPrototypeOf ||
        ({ __proto__: [] } instanceof Array &amp;&amp; function (d, b) { d.__proto__ = b; }) ||
        function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
    return function (d, b) {
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
Object.defineProperty(exports, &quot;__esModule&quot;, { value: true });
var leaf_1 = __webpack_require__(19);
var EmbedBlot = /** @class */ (function (_super) {
    __extends(EmbedBlot, _super);
    function EmbedBlot() {
        return _super !== null &amp;&amp; _super.apply(this, arguments) || this;
    }
    EmbedBlot.formats = function (domNode) {
        return undefined;
    };
    EmbedBlot.prototype.format = function (name, value) {
        // super.formatAt wraps, which is what we want in general,
        // but this allows subclasses to overwrite for formats
        // that just apply to particular embeds
        _super.prototype.formatAt.call(this, 0, this.length(), name, value);
    };
    EmbedBlot.prototype.formatAt = function (index, length, name, value) {
        if (index === 0 &amp;&amp; length === this.length()) {
            this.format(name, value);
        }
        else {
            _super.prototype.formatAt.call(this, index, length, name, value);
        }
    };
    EmbedBlot.prototype.formats = function () {
        return this.statics.formats(this.domNode);
    };
    return EmbedBlot;
}(leaf_1.default));
exports.default = EmbedBlot;


/***/ }),
/* 49 */
/***/ (function(module, exports, __webpack_require__) {

&quot;use strict&quot;;

var __extends = (this &amp;&amp; this.__extends) || (function () {
    var extendStatics = Object.setPrototypeOf ||
        ({ __proto__: [] } instanceof Array &amp;&amp; function (d, b) { d.__proto__ = b; }) ||
        function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
    return function (d, b) {
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
Object.defineProperty(exports, &quot;__esModule&quot;, { value: true });
var leaf_1 = __webpack_require__(19);
var Registry = __webpack_require__(1);
var TextBlot = /** @class */ (function (_super) {
    __extends(TextBlot, _super);
    function TextBlot(node) {
        var _this = _super.call(this, node) || this;
        _this.text = _this.statics.value(_this.domNode);
        return _this;
    }
    TextBlot.create = function (value) {
        return document.createTextNode(value);
    };
    TextBlot.value = function (domNode) {
        var text = domNode.data;
        // @ts-ignore
        if (text['normalize'])
            text = text['normalize']();
        return text;
    };
    TextBlot.prototype.deleteAt = function (index, length) {
        this.domNode.data = this.text = this.text.slice(0, index) + this.text.slice(index + length);
    };
    TextBlot.prototype.index = function (node, offset) {
        if (this.domNode === node) {
            return offset;
        }
        return -1;
    };
    TextBlot.prototype.insertAt = function (index, value, def) {
        if (def == null) {
            this.text = this.text.slice(0, index) + value + this.text.slice(index);
            this.domNode.data = this.text;
        }
        else {
            _super.prototype.insertAt.call(this, index, value, def);
        }
    };
    TextBlot.prototype.length = function () {
        return this.text.length;
    };
    TextBlot.prototype.optimize = function (context) {
        _super.prototype.optimize.call(this, context);
        this.text = this.statics.value(this.domNode);
        if (this.text.length === 0) {
            this.remove();
        }
        else if (this.next instanceof TextBlot &amp;&amp; this.next.prev === this) {
            this.insertAt(this.length(), this.next.value());
            this.next.remove();
        }
    };
    TextBlot.prototype.position = function (index, inclusive) {
        if (inclusive === void 0) { inclusive = false; }
        return [this.domNode, index];
    };
    TextBlot.prototype.split = function (index, force) {
        if (force === void 0) { force = false; }
        if (!force) {
            if (index === 0)
                return this;
            if (index === this.length())
                return this.next;
        }
        var after = Registry.create(this.domNode.splitText(index));
        this.parent.insertBefore(after, this.next);
        this.text = this.statics.value(this.domNode);
        return after;
    };
    TextBlot.prototype.update = function (mutations, context) {
        var _this = this;
        if (mutations.some(function (mutation) {
            return mutation.type === 'characterData' &amp;&amp; mutation.target === _this.domNode;
        })) {
            this.text = this.statics.value(this.domNode);
        }
    };
    TextBlot.prototype.value = function () {
        return this.text;
    };
    TextBlot.blotName = 'text';
    TextBlot.scope = Registry.Scope.INLINE_BLOT;
    return TextBlot;
}(leaf_1.default));
exports.default = TextBlot;


/***/ }),
/* 50 */
/***/ (function(module, exports, __webpack_require__) {

&quot;use strict&quot;;


var elem = document.createElement('div');
elem.classList.toggle('test-class', false);
if (elem.classList.contains('test-class')) {
  var _toggle = DOMTokenList.prototype.toggle;
  DOMTokenList.prototype.toggle = function (token, force) {
    if (arguments.length &gt; 1 &amp;&amp; !this.contains(token) === !force) {
      return force;
    } else {
      return _toggle.call(this, token);
    }
  };
}

if (!String.prototype.startsWith) {
  String.prototype.startsWith = function (searchString, position) {
    position = position || 0;
    return this.substr(position, searchString.length) === searchString;
  };
}

if (!String.prototype.endsWith) {
  String.prototype.endsWith = function (searchString, position) {
    var subjectString = this.toString();
    if (typeof position !== 'number' || !isFinite(position) || Math.floor(position) !== position || position &gt; subjectString.length) {
      position = subjectString.length;
    }
    position -= searchString.length;
    var lastIndex = subjectString.indexOf(searchString, position);
    return lastIndex !== -1 &amp;&amp; lastIndex === position;
  };
}

if (!Array.prototype.find) {
  Object.defineProperty(Array.prototype, &quot;find&quot;, {
    value: function value(predicate) {
      if (this === null) {
        throw new TypeError('Array.prototype.find called on null or undefined');
      }
      if (typeof predicate !== 'function') {
        throw new TypeError('predicate must be a function');
      }
      var list = Object(this);
      var length = list.length &gt;&gt;&gt; 0;
      var thisArg = arguments[1];
      var value;

      for (var i = 0; i &lt; length; i++) {
        value = list[i];
        if (predicate.call(thisArg, value, i, list)) {
          return value;
        }
      }
      return undefined;
    }
  });
}

document.addEventListener(&quot;DOMContentLoaded&quot;, function () {
  // Disable resizing in Firefox
  document.execCommand(&quot;enableObjectResizing&quot;, false, false);
  // Disable automatic linkifying in IE11
  document.execCommand(&quot;autoUrlDetect&quot;, false, false);
});

/***/ }),
/* 51 */
/***/ (function(module, exports) {

/**
 * This library modifies the diff-patch-match library by Neil Fraser
 * by removing the patch and match functionality and certain advanced
 * options in the diff function. The original license is as follows:
 *
 * ===
 *
 * Diff Match and Patch
 *
 * Copyright 2006 Google Inc.
 * http://code.google.com/p/google-diff-match-patch/
 *
 * Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);
 * 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 &quot;AS IS&quot; 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.
 */


/**
 * The data structure representing a diff is an array of tuples:
 * [[DIFF_DELETE, 'Hello'], [DIFF_INSERT, 'Goodbye'], [DIFF_EQUAL, ' world.']]
 * which means: delete 'Hello', add 'Goodbye' and keep ' world.'
 */
var DIFF_DELETE = -1;
var DIFF_INSERT = 1;
var DIFF_EQUAL = 0;


/**
 * Find the differences between two texts.  Simplifies the problem by stripping
 * any common prefix or suffix off the texts before diffing.
 * @param {string} text1 Old string to be diffed.
 * @param {string} text2 New string to be diffed.
 * @param {Int} cursor_pos Expected edit position in text1 (optional)
 * @return {Array} Array of diff tuples.
 */
function diff_main(text1, text2, cursor_pos) {
  // Check for equality (speedup).
  if (text1 == text2) {
    if (text1) {
      return [[DIFF_EQUAL, text1]];
    }
    return [];
  }

  // Check cursor_pos within bounds
  if (cursor_pos &lt; 0 || text1.length &lt; cursor_pos) {
    cursor_pos = null;
  }

  // Trim off common prefix (speedup).
  var commonlength = diff_commonPrefix(text1, text2);
  var commonprefix = text1.substring(0, commonlength);
  text1 = text1.substring(commonlength);
  text2 = text2.substring(commonlength);

  // Trim off common suffix (speedup).
  commonlength = diff_commonSuffix(text1, text2);
  var commonsuffix = text1.substring(text1.length - commonlength);
  text1 = text1.substring(0, text1.length - commonlength);
  text2 = text2.substring(0, text2.length - commonlength);

  // Compute the diff on the middle block.
  var diffs = diff_compute_(text1, text2);

  // Restore the prefix and suffix.
  if (commonprefix) {
    diffs.unshift([DIFF_EQUAL, commonprefix]);
  }
  if (commonsuffix) {
    diffs.push([DIFF_EQUAL, commonsuffix]);
  }
  diff_cleanupMerge(diffs);
  if (cursor_pos != null) {
    diffs = fix_cursor(diffs, cursor_pos);
  }
  diffs = fix_emoji(diffs);
  return diffs;
};


/**
 * Find the differences between two texts.  Assumes that the texts do not
 * have any common prefix or suffix.
 * @param {string} text1 Old string to be diffed.
 * @param {string} text2 New string to be diffed.
 * @return {Array} Array of diff tuples.
 */
function diff_compute_(text1, text2) {
  var diffs;

  if (!text1) {
    // Just add some text (speedup).
    return [[DIFF_INSERT, text2]];
  }

  if (!text2) {
    // Just delete some text (speedup).
    return [[DIFF_DELETE, text1]];
  }

  var longtext = text1.length &gt; text2.length ? text1 : text2;
  var shorttext = text1.length &gt; text2.length ? text2 : text1;
  var i = longtext.indexOf(shorttext);
  if (i != -1) {
    // Shorter text is inside the longer text (speedup).
    diffs = [[DIFF_INSERT, longtext.substring(0, i)],
             [DIFF_EQUAL, shorttext],
             [DIFF_INSERT, longtext.substring(i + shorttext.length)]];
    // Swap insertions for deletions if diff is reversed.
    if (text1.length &gt; text2.length) {
      diffs[0][0] = diffs[2][0] = DIFF_DELETE;
    }
    return diffs;
  }

  if (shorttext.length == 1) {
    // Single character string.
    // After the previous speedup, the character can't be an equality.
    return [[DIFF_DELETE, text1], [DIFF_INSERT, text2]];
  }

  // Check to see if the problem can be split in two.
  var hm = diff_halfMatch_(text1, text2);
  if (hm) {
    // A half-match was found, sort out the return data.
    var text1_a = hm[0];
    var text1_b = hm[1];
    var text2_a = hm[2];
    var text2_b = hm[3];
    var mid_common = hm[4];
    // Send both pairs off for separate processing.
    var diffs_a = diff_main(text1_a, text2_a);
    var diffs_b = diff_main(text1_b, text2_b);
    // Merge the results.
    return diffs_a.concat([[DIFF_EQUAL, mid_common]], diffs_b);
  }

  return diff_bisect_(text1, text2);
};


/**
 * Find the 'middle snake' of a diff, split the problem in two
 * and return the recursively constructed diff.
 * See Myers 1986 paper: An O(ND) Difference Algorithm and Its Variations.
 * @param {string} text1 Old string to be diffed.
 * @param {string} text2 New string to be diffed.
 * @return {Array} Array of diff tuples.
 * @private
 */
function diff_bisect_(text1, text2) {
  // Cache the text lengths to prevent multiple calls.
  var text1_length = text1.length;
  var text2_length = text2.length;
  var max_d = Math.ceil((text1_length + text2_length) / 2);
  var v_offset = max_d;
  var v_length = 2 * max_d;
  var v1 = new Array(v_length);
  var v2 = new Array(v_length);
  // Setting all elements to -1 is faster in Chrome &amp; Firefox than mixing
  // integers and undefined.
  for (var x = 0; x &lt; v_length; x++) {
    v1[x] = -1;
    v2[x] = -1;
  }
  v1[v_offset + 1] = 0;
  v2[v_offset + 1] = 0;
  var delta = text1_length - text2_length;
  // If the total number of characters is odd, then the front path will collide
  // with the reverse path.
  var front = (delta % 2 != 0);
  // Offsets for start and end of k loop.
  // Prevents mapping of space beyond the grid.
  var k1start = 0;
  var k1end = 0;
  var k2start = 0;
  var k2end = 0;
  for (var d = 0; d &lt; max_d; d++) {
    // Walk the front path one step.
    for (var k1 = -d + k1start; k1 &lt;= d - k1end; k1 += 2) {
      var k1_offset = v_offset + k1;
      var x1;
      if (k1 == -d || (k1 != d &amp;&amp; v1[k1_offset - 1] &lt; v1[k1_offset + 1])) {
        x1 = v1[k1_offset + 1];
      } else {
        x1 = v1[k1_offset - 1] + 1;
      }
      var y1 = x1 - k1;
      while (x1 &lt; text1_length &amp;&amp; y1 &lt; text2_length &amp;&amp;
             text1.charAt(x1) == text2.charAt(y1)) {
        x1++;
        y1++;
      }
      v1[k1_offset] = x1;
      if (x1 &gt; text1_length) {
        // Ran off the right of the graph.
        k1end += 2;
      } else if (y1 &gt; text2_length) {
        // Ran off the bottom of the graph.
        k1start += 2;
      } else if (front) {
        var k2_offset = v_offset + delta - k1;
        if (k2_offset &gt;= 0 &amp;&amp; k2_offset &lt; v_length &amp;&amp; v2[k2_offset] != -1) {
          // Mirror x2 onto top-left coordinate system.
          var x2 = text1_length - v2[k2_offset];
          if (x1 &gt;= x2) {
            // Overlap detected.
            return diff_bisectSplit_(text1, text2, x1, y1);
          }
        }
      }
    }

    // Walk the reverse path one step.
    for (var k2 = -d + k2start; k2 &lt;= d - k2end; k2 += 2) {
      var k2_offset = v_offset + k2;
      var x2;
      if (k2 == -d || (k2 != d &amp;&amp; v2[k2_offset - 1] &lt; v2[k2_offset + 1])) {
        x2 = v2[k2_offset + 1];
      } else {
        x2 = v2[k2_offset - 1] + 1;
      }
      var y2 = x2 - k2;
      while (x2 &lt; text1_length &amp;&amp; y2 &lt; text2_length &amp;&amp;
             text1.charAt(text1_length - x2 - 1) ==
             text2.charAt(text2_length - y2 - 1)) {
        x2++;
        y2++;
      }
      v2[k2_offset] = x2;
      if (x2 &gt; text1_length) {
        // Ran off the left of the graph.
        k2end += 2;
      } else if (y2 &gt; text2_length) {
        // Ran off the top of the graph.
        k2start += 2;
      } else if (!front) {
        var k1_offset = v_offset + delta - k2;
        if (k1_offset &gt;= 0 &amp;&amp; k1_offset &lt; v_length &amp;&amp; v1[k1_offset] != -1) {
          var x1 = v1[k1_offset];
          var y1 = v_offset + x1 - k1_offset;
          // Mirror x2 onto top-left coordinate system.
          x2 = text1_length - x2;
          if (x1 &gt;= x2) {
            // Overlap detected.
            return diff_bisectSplit_(text1, text2, x1, y1);
          }
        }
      }
    }
  }
  // Diff took too long and hit the deadline or
  // number of diffs equals number of characters, no commonality at all.
  return [[DIFF_DELETE, text1], [DIFF_INSERT, text2]];
};


/**
 * Given the location of the 'middle snake', split the diff in two parts
 * and recurse.
 * @param {string} text1 Old string to be diffed.
 * @param {string} text2 New string to be diffed.
 * @param {number} x Index of split point in text1.
 * @param {number} y Index of split point in text2.
 * @return {Array} Array of diff tuples.
 */
function diff_bisectSplit_(text1, text2, x, y) {
  var text1a = text1.substring(0, x);
  var text2a = text2.substring(0, y);
  var text1b = text1.substring(x);
  var text2b = text2.substring(y);

  // Compute both diffs serially.
  var diffs = diff_main(text1a, text2a);
  var diffsb = diff_main(text1b, text2b);

  return diffs.concat(diffsb);
};


/**
 * Determine the common prefix of two strings.
 * @param {string} text1 First string.
 * @param {string} text2 Second string.
 * @return {number} The number of characters common to the start of each
 *     string.
 */
function diff_commonPrefix(text1, text2) {
  // Quick check for common null cases.
  if (!text1 || !text2 || text1.charAt(0) != text2.charAt(0)) {
    return 0;
  }
  // Binary search.
  // Performance analysis: http://neil.fraser.name/news/2007/10/09/
  var pointermin = 0;
  var pointermax = Math.min(text1.length, text2.length);
  var pointermid = pointermax;
  var pointerstart = 0;
  while (pointermin &lt; pointermid) {
    if (text1.substring(pointerstart, pointermid) ==
        text2.substring(pointerstart, pointermid)) {
      pointermin = pointermid;
      pointerstart = pointermin;
    } else {
      pointermax = pointermid;
    }
    pointermid = Math.floor((pointermax - pointermin) / 2 + pointermin);
  }
  return pointermid;
};


/**
 * Determine the common suffix of two strings.
 * @param {string} text1 First string.
 * @param {string} text2 Second string.
 * @return {number} The number of characters common to the end of each string.
 */
function diff_commonSuffix(text1, text2) {
  // Quick check for common null cases.
  if (!text1 || !text2 ||
      text1.charAt(text1.length - 1) != text2.charAt(text2.length - 1)) {
    return 0;
  }
  // Binary search.
  // Performance analysis: http://neil.fraser.name/news/2007/10/09/
  var pointermin = 0;
  var pointermax = Math.min(text1.length, text2.length);
  var pointermid = pointermax;
  var pointerend = 0;
  while (pointermin &lt; pointermid) {
    if (text1.substring(text1.length - pointermid, text1.length - pointerend) ==
        text2.substring(text2.length - pointermid, text2.length - pointerend)) {
      pointermin = pointermid;
      pointerend = pointermin;
    } else {
      pointermax = pointermid;
    }
    pointermid = Math.floor((pointermax - pointermin) / 2 + pointermin);
  }
  return pointermid;
};


/**
 * Do the two texts share a substring which is at least half the length of the
 * longer text?
 * This speedup can produce non-minimal diffs.
 * @param {string} text1 First string.
 * @param {string} text2 Second string.
 * @return {Array.&lt;string&gt;} Five element Array, containing the prefix of
 *     text1, the suffix of text1, the prefix of text2, the suffix of
 *     text2 and the common middle.  Or null if there was no match.
 */
function diff_halfMatch_(text1, text2) {
  var longtext = text1.length &gt; text2.length ? text1 : text2;
  var shorttext = text1.length &gt; text2.length ? text2 : text1;
  if (longtext.length &lt; 4 || shorttext.length * 2 &lt; longtext.length) {
    return null;  // Pointless.
  }

  /**
   * Does a substring of shorttext exist within longtext such that the substring
   * is at least half the length of longtext?
   * Closure, but does not reference any external variables.
   * @param {string} longtext Longer string.
   * @param {string} shorttext Shorter string.
   * @param {number} i Start index of quarter length substring within longtext.
   * @return {Array.&lt;string&gt;} Five element Array, containing the prefix of
   *     longtext, the suffix of longtext, the prefix of shorttext, the suffix
   *     of shorttext and the common middle.  Or null if there was no match.
   * @private
   */
  function diff_halfMatchI_(longtext, shorttext, i) {
    // Start with a 1/4 length substring at position i as a seed.
    var seed = longtext.substring(i, i + Math.floor(longtext.length / 4));
    var j = -1;
    var best_common = '';
    var best_longtext_a, best_longtext_b, best_shorttext_a, best_shorttext_b;
    while ((j = shorttext.indexOf(seed, j + 1)) != -1) {
      var prefixLength = diff_commonPrefix(longtext.substring(i),
                                           shorttext.substring(j));
      var suffixLength = diff_commonSuffix(longtext.substring(0, i),
                                           shorttext.substring(0, j));
      if (best_common.length &lt; suffixLength + prefixLength) {
        best_common = shorttext.substring(j - suffixLength, j) +
            shorttext.substring(j, j + prefixLength);
        best_longtext_a = longtext.substring(0, i - suffixLength);
        best_longtext_b = longtext.substring(i + prefixLength);
        best_shorttext_a = shorttext.substring(0, j - suffixLength);
        best_shorttext_b = shorttext.substring(j + prefixLength);
      }
    }
    if (best_common.length * 2 &gt;= longtext.length) {
      return [best_longtext_a, best_longtext_b,
              best_shorttext_a, best_shorttext_b, best_common];
    } else {
      return null;
    }
  }

  // First check if the second quarter is the seed for a half-match.
  var hm1 = diff_halfMatchI_(longtext, shorttext,
                             Math.ceil(longtext.length / 4));
  // Check again based on the third quarter.
  var hm2 = diff_halfMatchI_(longtext, shorttext,
                             Math.ceil(longtext.length / 2));
  var hm;
  if (!hm1 &amp;&amp; !hm2) {
    return null;
  } else if (!hm2) {
    hm = hm1;
  } else if (!hm1) {
    hm = hm2;
  } else {
    // Both matched.  Select the longest.
    hm = hm1[4].length &gt; hm2[4].length ? hm1 : hm2;
  }

  // A half-match was found, sort out the return data.
  var text1_a, text1_b, text2_a, text2_b;
  if (text1.length &gt; text2.length) {
    text1_a = hm[0];
    text1_b = hm[1];
    text2_a = hm[2];
    text2_b = hm[3];
  } else {
    text2_a = hm[0];
    text2_b = hm[1];
    text1_a = hm[2];
    text1_b = hm[3];
  }
  var mid_common = hm[4];
  return [text1_a, text1_b, text2_a, text2_b, mid_common];
};


/**
 * Reorder and merge like edit sections.  Merge equalities.
 * Any edit section can move as long as it doesn't cross an equality.
 * @param {Array} diffs Array of diff tuples.
 */
function diff_cleanupMerge(diffs) {
  diffs.push([DIFF_EQUAL, '']);  // Add a dummy entry at the end.
  var pointer = 0;
  var count_delete = 0;
  var count_insert = 0;
  var text_delete = '';
  var text_insert = '';
  var commonlength;
  while (pointer &lt; diffs.length) {
    switch (diffs[pointer][0]) {
      case DIFF_INSERT:
        count_insert++;
        text_insert += diffs[pointer][1];
        pointer++;
        break;
      case DIFF_DELETE:
        count_delete++;
        text_delete += diffs[pointer][1];
        pointer++;
        break;
      case DIFF_EQUAL:
        // Upon reaching an equality, check for prior redundancies.
        if (count_delete + count_insert &gt; 1) {
          if (count_delete !== 0 &amp;&amp; count_insert !== 0) {
            // Factor out any common prefixies.
            commonlength = diff_commonPrefix(text_insert, text_delete);
            if (commonlength !== 0) {
              if ((pointer - count_delete - count_insert) &gt; 0 &amp;&amp;
                  diffs[pointer - count_delete - count_insert - 1][0] ==
                  DIFF_EQUAL) {
                diffs[pointer - count_delete - count_insert - 1][1] +=
                    text_insert.substring(0, commonlength);
              } else {
                diffs.splice(0, 0, [DIFF_EQUAL,
                                    text_insert.substring(0, commonlength)]);
                pointer++;
              }
              text_insert = text_insert.substring(commonlength);
              text_delete = text_delete.substring(commonlength);
            }
            // Factor out any common suffixies.
            commonlength = diff_commonSuffix(text_insert, text_delete);
            if (commonlength !== 0) {
              diffs[pointer][1] = text_insert.substring(text_insert.length -
                  commonlength) + diffs[pointer][1];
              text_insert = text_insert.substring(0, text_insert.length -
                  commonlength);
              text_delete = text_delete.substring(0, text_delete.length -
                  commonlength);
            }
          }
          // Delete the offending records and add the merged ones.
          if (count_delete === 0) {
            diffs.splice(pointer - count_insert,
                count_delete + count_insert, [DIFF_INSERT, text_insert]);
          } else if (count_insert === 0) {
            diffs.splice(pointer - count_delete,
                count_delete + count_insert, [DIFF_DELETE, text_delete]);
          } else {
            diffs.splice(pointer - count_delete - count_insert,
                count_delete + count_insert, [DIFF_DELETE, text_delete],
                [DIFF_INSERT, text_insert]);
          }
          pointer = pointer - count_delete - count_insert +
                    (count_delete ? 1 : 0) + (count_insert ? 1 : 0) + 1;
        } else if (pointer !== 0 &amp;&amp; diffs[pointer - 1][0] == DIFF_EQUAL) {
          // Merge this equality with the previous one.
          diffs[pointer - 1][1] += diffs[pointer][1];
          diffs.splice(pointer, 1);
        } else {
          pointer++;
        }
        count_insert = 0;
        count_delete = 0;
        text_delete = '';
        text_insert = '';
        break;
    }
  }
  if (diffs[diffs.length - 1][1] === '') {
    diffs.pop();  // Remove the dummy entry at the end.
  }

  // Second pass: look for single edits surrounded on both sides by equalities
  // which can be shifted sideways to eliminate an equality.
  // e.g: A&lt;ins&gt;BA&lt;/ins&gt;C -&gt; &lt;ins&gt;AB&lt;/ins&gt;AC
  var changes = false;
  pointer = 1;
  // Intentionally ignore the first and last element (don't need checking).
  while (pointer &lt; diffs.length - 1) {
    if (diffs[pointer - 1][0] == DIFF_EQUAL &amp;&amp;
        diffs[pointer + 1][0] == DIFF_EQUAL) {
      // This is a single edit surrounded by equalities.
      if (diffs[pointer][1].substring(diffs[pointer][1].length -
          diffs[pointer - 1][1].length) == diffs[pointer - 1][1]) {
        // Shift the edit over the previous equality.
        diffs[pointer][1] = diffs[pointer - 1][1] +
            diffs[pointer][1].substring(0, diffs[pointer][1].length -
                                        diffs[pointer - 1][1].length);
        diffs[pointer + 1][1] = diffs[pointer - 1][1] + diffs[pointer + 1][1];
        diffs.splice(pointer - 1, 1);
        changes = true;
      } else if (diffs[pointer][1].substring(0, diffs[pointer + 1][1].length) ==
          diffs[pointer + 1][1]) {
        // Shift the edit over the next equality.
        diffs[pointer - 1][1] += diffs[pointer + 1][1];
        diffs[pointer][1] =
            diffs[pointer][1].substring(diffs[pointer + 1][1].length) +
            diffs[pointer + 1][1];
        diffs.splice(pointer + 1, 1);
        changes = true;
      }
    }
    pointer++;
  }
  // If shifts were made, the diff needs reordering and another shift sweep.
  if (changes) {
    diff_cleanupMerge(diffs);
  }
};


var diff = diff_main;
diff.INSERT = DIFF_INSERT;
diff.DELETE = DIFF_DELETE;
diff.EQUAL = DIFF_EQUAL;

module.exports = diff;

/*
 * Modify a diff such that the cursor position points to the start of a change:
 * E.g.
 *   cursor_normalize_diff([[DIFF_EQUAL, 'abc']], 1)
 *     =&gt; [1, [[DIFF_EQUAL, 'a'], [DIFF_EQUAL, 'bc']]]
 *   cursor_normalize_diff([[DIFF_INSERT, 'new'], [DIFF_DELETE, 'xyz']], 2)
 *     =&gt; [2, [[DIFF_INSERT, 'new'], [DIFF_DELETE, 'xy'], [DIFF_DELETE, 'z']]]
 *
 * @param {Array} diffs Array of diff tuples
 * @param {Int} cursor_pos Suggested edit position. Must not be out of bounds!
 * @return {Array} A tuple [cursor location in the modified diff, modified diff]
 */
function cursor_normalize_diff (diffs, cursor_pos) {
  if (cursor_pos === 0) {
    return [DIFF_EQUAL, diffs];
  }
  for (var current_pos = 0, i = 0; i &lt; diffs.length; i++) {
    var d = diffs[i];
    if (d[0] === DIFF_DELETE || d[0] === DIFF_EQUAL) {
      var next_pos = current_pos + d[1].length;
      if (cursor_pos === next_pos) {
        return [i + 1, diffs];
      } else if (cursor_pos &lt; next_pos) {
        // copy to prevent side effects
        diffs = diffs.slice();
        // split d into two diff changes
        var split_pos = cursor_pos - current_pos;
        var d_left = [d[0], d[1].slice(0, split_pos)];
        var d_right = [d[0], d[1].slice(split_pos)];
        diffs.splice(i, 1, d_left, d_right);
        return [i + 1, diffs];
      } else {
        current_pos = next_pos;
      }
    }
  }
  throw new Error('cursor_pos is out of bounds!')
}

/*
 * Modify a diff such that the edit position is &quot;shifted&quot; to the proposed edit location (cursor_position).
 *
 * Case 1)
 *   Check if a naive shift is possible:
 *     [0, X], [ 1, Y] -&gt; [ 1, Y], [0, X]    (if X + Y === Y + X)
 *     [0, X], [-1, Y] -&gt; [-1, Y], [0, X]    (if X + Y === Y + X) - holds same result
 * Case 2)
 *   Check if the following shifts are possible:
 *     [0, 'pre'], [ 1, 'prefix'] -&gt; [ 1, 'pre'], [0, 'pre'], [ 1, 'fix']
 *     [0, 'pre'], [-1, 'prefix'] -&gt; [-1, 'pre'], [0, 'pre'], [-1, 'fix']
 *         ^            ^
 *         d          d_next
 *
 * @param {Array} diffs Array of diff tuples
 * @param {Int} cursor_pos Suggested edit position. Must not be out of bounds!
 * @return {Array} Array of diff tuples
 */
function fix_cursor (diffs, cursor_pos) {
  var norm = cursor_normalize_diff(diffs, cursor_pos);
  var ndiffs = norm[1];
  var cursor_pointer = norm[0];
  var d = ndiffs[cursor_pointer];
  var d_next = ndiffs[cursor_pointer + 1];

  if (d == null) {
    // Text was deleted from end of original string,
    // cursor is now out of bounds in new string
    return diffs;
  } else if (d[0] !== DIFF_EQUAL) {
    // A modification happened at the cursor location.
    // This is the expected outcome, so we can return the original diff.
    return diffs;
  } else {
    if (d_next != null &amp;&amp; d[1] + d_next[1] === d_next[1] + d[1]) {
      // Case 1)
      // It is possible to perform a naive shift
      ndiffs.splice(cursor_pointer, 2, d_next, d)
      return merge_tuples(ndiffs, cursor_pointer, 2)
    } else if (d_next != null &amp;&amp; d_next[1].indexOf(d[1]) === 0) {
      // Case 2)
      // d[1] is a prefix of d_next[1]
      // We can assume that d_next[0] !== 0, since d[0] === 0
      // Shift edit locations..
      ndiffs.splice(cursor_pointer, 2, [d_next[0], d[1]], [0, d[1]]);
      var suffix = d_next[1].slice(d[1].length);
      if (suffix.length &gt; 0) {
        ndiffs.splice(cursor_pointer + 2, 0, [d_next[0], suffix]);
      }
      return merge_tuples(ndiffs, cursor_pointer, 3)
    } else {
      // Not possible to perform any modification
      return diffs;
    }
  }
}

/*
 * Check diff did not split surrogate pairs.
 * Ex. [0, '\uD83D'], [-1, '\uDC36'], [1, '\uDC2F'] -&gt; [-1, '\uD83D\uDC36'], [1, '\uD83D\uDC2F']
 *     '\uD83D\uDC36' === '🐶', '\uD83D\uDC2F' === '🐯'
 *
 * @param {Array} diffs Array of diff tuples
 * @return {Array} Array of diff tuples
 */
function fix_emoji (diffs) {
  var compact = false;
  var starts_with_pair_end = function(str) {
    return str.charCodeAt(0) &gt;= 0xDC00 &amp;&amp; str.charCodeAt(0) &lt;= 0xDFFF;
  }
  var ends_with_pair_start = function(str) {
    return str.charCodeAt(str.length-1) &gt;= 0xD800 &amp;&amp; str.charCodeAt(str.length-1) &lt;= 0xDBFF;
  }
  for (var i = 2; i &lt; diffs.length; i += 1) {
    if (diffs[i-2][0] === DIFF_EQUAL &amp;&amp; ends_with_pair_start(diffs[i-2][1]) &amp;&amp;
        diffs[i-1][0] === DIFF_DELETE &amp;&amp; starts_with_pair_end(diffs[i-1][1]) &amp;&amp;
        diffs[i][0] === DIFF_INSERT &amp;&amp; starts_with_pair_end(diffs[i][1])) {
      compact = true;

      diffs[i-1][1] = diffs[i-2][1].slice(-1) + diffs[i-1][1];
      diffs[i][1] = diffs[i-2][1].slice(-1) + diffs[i][1];

      diffs[i-2][1] = diffs[i-2][1].slice(0, -1);
    }
  }
  if (!compact) {
    return diffs;
  }
  var fixed_diffs = [];
  for (var i = 0; i &lt; diffs.length; i += 1) {
    if (diffs[i][1].length &gt; 0) {
      fixed_diffs.push(diffs[i]);
    }
  }
  return fixed_diffs;
}

/*
 * Try to merge tuples with their neigbors in a given range.
 * E.g. [0, 'a'], [0, 'b'] -&gt; [0, 'ab']
 *
 * @param {Array} diffs Array of diff tuples.
 * @param {Int} start Position of the first element to merge (diffs[start] is also merged with diffs[start - 1]).
 * @param {Int} length Number of consecutive elements to check.
 * @return {Array} Array of merged diff tuples.
 */
function merge_tuples (diffs, start, length) {
  // Check from (start-1) to (start+length).
  for (var i = start + length - 1; i &gt;= 0 &amp;&amp; i &gt;= start - 1; i--) {
    if (i + 1 &lt; diffs.length) {
      var left_d = diffs[i];
      var right_d = diffs[i+1];
      if (left_d[0] === right_d[1]) {
        diffs.splice(i, 2, [left_d[0], left_d[1] + right_d[1]]);
      }
    }
  }
  return diffs;
}


/***/ }),
/* 52 */
/***/ (function(module, exports) {

exports = module.exports = typeof Object.keys === 'function'
  ? Object.keys : shim;

exports.shim = shim;
function shim (obj) {
  var keys = [];
  for (var key in obj) keys.push(key);
  return keys;
}


/***/ }),
/* 53 */
/***/ (function(module, exports) {

var supportsArgumentsClass = (function(){
  return Object.prototype.toString.call(arguments)
})() == '[object Arguments]';

exports = module.exports = supportsArgumentsClass ? supported : unsupported;

exports.supported = supported;
function supported(object) {
  return Object.prototype.toString.call(object) == '[object Arguments]';
};

exports.unsupported = unsupported;
function unsupported(object){
  return object &amp;&amp;
    typeof object == 'object' &amp;&amp;
    typeof object.length == 'number' &amp;&amp;
    Object.prototype.hasOwnProperty.call(object, 'callee') &amp;&amp;
    !Object.prototype.propertyIsEnumerable.call(object, 'callee') ||
    false;
};


/***/ }),
/* 54 */
/***/ (function(module, exports) {

'use strict';

var has = Object.prototype.hasOwnProperty
  , prefix = '~';

/**
 * Constructor to create a storage for our `EE` objects.
 * An `Events` instance is a plain object whose properties are event names.
 *
 * @constructor
 * @api private
 */
function Events() {}

//
// We try to not inherit from `Object.prototype`. In some engines creating an
// instance in this way is faster than calling `Object.create(null)` directly.
// If `Object.create(null)` is not supported we prefix the event names with a
// character to make sure that the built-in object properties are not
// overridden or used as an attack vector.
//
if (Object.create) {
  Events.prototype = Object.create(null);

  //
  // This hack is needed because the `__proto__` property is still inherited in
  // some old browsers like Android 4, iPhone 5.1, Opera 11 and Safari 5.
  //
  if (!new Events().__proto__) prefix = false;
}

/**
 * Representation of a single event listener.
 *
 * @param {Function} fn The listener function.
 * @param {Mixed} context The context to invoke the listener with.
 * @param {Boolean} [once=false] Specify if the listener is a one-time listener.
 * @constructor
 * @api private
 */
function EE(fn, context, once) {
  this.fn = fn;
  this.context = context;
  this.once = once || false;
}

/**
 * Minimal `EventEmitter` interface that is molded against the Node.js
 * `EventEmitter` interface.
 *
 * @constructor
 * @api public
 */
function EventEmitter() {
  this._events = new Events();
  this._eventsCount = 0;
}

/**
 * Return an array listing the events for which the emitter has registered
 * listeners.
 *
 * @returns {Array}
 * @api public
 */
EventEmitter.prototype.eventNames = function eventNames() {
  var names = []
    , events
    , name;

  if (this._eventsCount === 0) return names;

  for (name in (events = this._events)) {
    if (has.call(events, name)) names.push(prefix ? name.slice(1) : name);
  }

  if (Object.getOwnPropertySymbols) {
    return names.concat(Object.getOwnPropertySymbols(events));
  }

  return names;
};

/**
 * Return the listeners registered for a given event.
 *
 * @param {String|Symbol} event The event name.
 * @param {Boolean} exists Only check if there are listeners.
 * @returns {Array|Boolean}
 * @api public
 */
EventEmitter.prototype.listeners = function listeners(event, exists) {
  var evt = prefix ? prefix + event : event
    , available = this._events[evt];

  if (exists) return !!available;
  if (!available) return [];
  if (available.fn) return [available.fn];

  for (var i = 0, l = available.length, ee = new Array(l); i &lt; l; i++) {
    ee[i] = available[i].fn;
  }

  return ee;
};

/**
 * Calls each of the listeners registered for a given event.
 *
 * @param {String|Symbol} event The event name.
 * @returns {Boolean} `true` if the event had listeners, else `false`.
 * @api public
 */
EventEmitter.prototype.emit = function emit(event, a1, a2, a3, a4, a5) {
  var evt = prefix ? prefix + event : event;

  if (!this._events[evt]) return false;

  var listeners = this._events[evt]
    , len = arguments.length
    , args
    , i;

  if (listeners.fn) {
    if (listeners.once) this.removeListener(event, listeners.fn, undefined, true);

    switch (len) {
      case 1: return listeners.fn.call(listeners.context), true;
      case 2: return listeners.fn.call(listeners.context, a1), true;
      case 3: return listeners.fn.call(listeners.context, a1, a2), true;
      case 4: return listeners.fn.call(listeners.context, a1, a2, a3), true;
      case 5: return listeners.fn.call(listeners.context, a1, a2, a3, a4), true;
      case 6: return listeners.fn.call(listeners.context, a1, a2, a3, a4, a5), true;
    }

    for (i = 1, args = new Array(len -1); i &lt; len; i++) {
      args[i - 1] = arguments[i];
    }

    listeners.fn.apply(listeners.context, args);
  } else {
    var length = listeners.length
      , j;

    for (i = 0; i &lt; length; i++) {
      if (listeners[i].once) this.removeListener(event, listeners[i].fn, undefined, true);

      switch (len) {
        case 1: listeners[i].fn.call(listeners[i].context); break;
        case 2: listeners[i].fn.call(listeners[i].context, a1); break;
        case 3: listeners[i].fn.call(listeners[i].context, a1, a2); break;
        case 4: listeners[i].fn.call(listeners[i].context, a1, a2, a3); break;
        default:
          if (!args) for (j = 1, args = new Array(len -1); j &lt; len; j++) {
            args[j - 1] = arguments[j];
          }

          listeners[i].fn.apply(listeners[i].context, args);
      }
    }
  }

  return true;
};

/**
 * Add a listener for a given event.
 *
 * @param {String|Symbol} event The event name.
 * @param {Function} fn The listener function.
 * @param {Mixed} [context=this] The context to invoke the listener with.
 * @returns {EventEmitter} `this`.
 * @api public
 */
EventEmitter.prototype.on = function on(event, fn, context) {
  var listener = new EE(fn, context || this)
    , evt = prefix ? prefix + event : event;

  if (!this._events[evt]) this._events[evt] = listener, this._eventsCount++;
  else if (!this._events[evt].fn) this._events[evt].push(listener);
  else this._events[evt] = [this._events[evt], listener];

  return this;
};

/**
 * Add a one-time listener for a given event.
 *
 * @param {String|Symbol} event The event name.
 * @param {Function} fn The listener function.
 * @param {Mixed} [context=this] The context to invoke the listener with.
 * @returns {EventEmitter} `this`.
 * @api public
 */
EventEmitter.prototype.once = function once(event, fn, context) {
  var listener = new EE(fn, context || this, true)
    , evt = prefix ? prefix + event : event;

  if (!this._events[evt]) this._events[evt] = listener, this._eventsCount++;
  else if (!this._events[evt].fn) this._events[evt].push(listener);
  else this._events[evt] = [this._events[evt], listener];

  return this;
};

/**
 * Remove the listeners of a given event.
 *
 * @param {String|Symbol} event The event name.
 * @param {Function} fn Only remove the listeners that match this function.
 * @param {Mixed} context Only remove the listeners that have this context.
 * @param {Boolean} once Only remove one-time listeners.
 * @returns {EventEmitter} `this`.
 * @api public
 */
EventEmitter.prototype.removeListener = function removeListener(event, fn, context, once) {
  var evt = prefix ? prefix + event : event;

  if (!this._events[evt]) return this;
  if (!fn) {
    if (--this._eventsCount === 0) this._events = new Events();
    else delete this._events[evt];
    return this;
  }

  var listeners = this._events[evt];

  if (listeners.fn) {
    if (
         listeners.fn === fn
      &amp;&amp; (!once || listeners.once)
      &amp;&amp; (!context || listeners.context === context)
    ) {
      if (--this._eventsCount === 0) this._events = new Events();
      else delete this._events[evt];
    }
  } else {
    for (var i = 0, events = [], length = listeners.length; i &lt; length; i++) {
      if (
           listeners[i].fn !== fn
        || (once &amp;&amp; !listeners[i].once)
        || (context &amp;&amp; listeners[i].context !== context)
      ) {
        events.push(listeners[i]);
      }
    }

    //
    // Reset the array, or remove it completely if we have no more listeners.
    //
    if (events.length) this._events[evt] = events.length === 1 ? events[0] : events;
    else if (--this._eventsCount === 0) this._events = new Events();
    else delete this._events[evt];
  }

  return this;
};

/**
 * Remove all listeners, or those of the specified event.
 *
 * @param {String|Symbol} [event] The event name.
 * @returns {EventEmitter} `this`.
 * @api public
 */
EventEmitter.prototype.removeAllListeners = function removeAllListeners(event) {
  var evt;

  if (event) {
    evt = prefix ? prefix + event : event;
    if (this._events[evt]) {
      if (--this._eventsCount === 0) this._events = new Events();
      else delete this._events[evt];
    }
  } else {
    this._events = new Events();
    this._eventsCount = 0;
  }

  return this;
};

//
// Alias methods names because people roll like that.
//
EventEmitter.prototype.off = EventEmitter.prototype.removeListener;
EventEmitter.prototype.addListener = EventEmitter.prototype.on;

//
// This function doesn't apply anymore.
//
EventEmitter.prototype.setMaxListeners = function setMaxListeners() {
  return this;
};

//
// Expose the prefix.
//
EventEmitter.prefixed = prefix;

//
// Allow `EventEmitter` to be imported as module namespace.
//
EventEmitter.EventEmitter = EventEmitter;

//
// Expose the module.
//
if ('undefined' !== typeof module) {
  module.exports = EventEmitter;
}


/***/ }),
/* 55 */
/***/ (function(module, exports, __webpack_require__) {

&quot;use strict&quot;;


Object.defineProperty(exports, &quot;__esModule&quot;, {
  value: true
});
exports.matchText = exports.matchSpacing = exports.matchNewline = exports.matchBlot = exports.matchAttributor = exports.default = undefined;

var _typeof = typeof Symbol === &quot;function&quot; &amp;&amp; typeof Symbol.iterator === &quot;symbol&quot; ? function (obj) { return typeof obj; } : function (obj) { return obj &amp;&amp; typeof Symbol === &quot;function&quot; &amp;&amp; obj.constructor === Symbol &amp;&amp; obj !== Symbol.prototype ? &quot;symbol&quot; : typeof obj; };

var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i &amp;&amp; _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n &amp;&amp; _i[&quot;return&quot;]) _i[&quot;return&quot;](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError(&quot;Invalid attempt to destructure non-iterable instance&quot;); } }; }();

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i &lt; props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (&quot;value&quot; in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

var _extend2 = __webpack_require__(3);

var _extend3 = _interopRequireDefault(_extend2);

var _quillDelta = __webpack_require__(2);

var _quillDelta2 = _interopRequireDefault(_quillDelta);

var _parchment = __webpack_require__(0);

var _parchment2 = _interopRequireDefault(_parchment);

var _quill = __webpack_require__(5);

var _quill2 = _interopRequireDefault(_quill);

var _logger = __webpack_require__(10);

var _logger2 = _interopRequireDefault(_logger);

var _module = __webpack_require__(9);

var _module2 = _interopRequireDefault(_module);

var _align = __webpack_require__(36);

var _background = __webpack_require__(37);

var _code = __webpack_require__(13);

var _code2 = _interopRequireDefault(_code);

var _color = __webpack_require__(26);

var _direction = __webpack_require__(38);

var _font = __webpack_require__(39);

var _size = __webpack_require__(40);

function _interopRequireDefault(obj) { return obj &amp;&amp; obj.__esModule ? obj : { default: obj }; }

function _defineProperty(obj, key, value) { 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(&quot;Cannot call a class as a function&quot;); } }

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(&quot;this hasn't been initialised - super() hasn't been called&quot;); } return call &amp;&amp; (typeof call === &quot;object&quot; || typeof call === &quot;function&quot;) ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== &quot;function&quot; &amp;&amp; superClass !== null) { throw new TypeError(&quot;Super expression must either be null or a function, not &quot; + typeof superClass); } subClass.prototype = Object.create(superClass &amp;&amp; superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

var debug = (0, _logger2.default)('quill:clipboard');

var DOM_KEY = '__ql-matcher';

var CLIPBOARD_CONFIG = [[Node.TEXT_NODE, matchText], [Node.TEXT_NODE, matchNewline], ['br', matchBreak], [Node.ELEMENT_NODE, matchNewline], [Node.ELEMENT_NODE, matchBlot], [Node.ELEMENT_NODE, matchSpacing], [Node.ELEMENT_NODE, matchAttributor], [Node.ELEMENT_NODE, matchStyles], ['li', matchIndent], ['b', matchAlias.bind(matchAlias, 'bold')], ['i', matchAlias.bind(matchAlias, 'italic')], ['style', matchIgnore]];

var ATTRIBUTE_ATTRIBUTORS = [_align.AlignAttribute, _direction.DirectionAttribute].reduce(function (memo, attr) {
  memo[attr.keyName] = attr;
  return memo;
}, {});

var STYLE_ATTRIBUTORS = [_align.AlignStyle, _background.BackgroundStyle, _color.ColorStyle, _direction.DirectionStyle, _font.FontStyle, _size.SizeStyle].reduce(function (memo, attr) {
  memo[attr.keyName] = attr;
  return memo;
}, {});

var Clipboard = function (_Module) {
  _inherits(Clipboard, _Module);

  function Clipboard(quill, options) {
    _classCallCheck(this, Clipboard);

    var _this = _possibleConstructorReturn(this, (Clipboard.__proto__ || Object.getPrototypeOf(Clipboard)).call(this, quill, options));

    _this.quill.root.addEventListener('paste', _this.onPaste.bind(_this));
    _this.container = _this.quill.addContainer('ql-clipboard');
    _this.container.setAttribute('contenteditable', true);
    _this.container.setAttribute('tabindex', -1);
    _this.matchers = [];
    CLIPBOARD_CONFIG.concat(_this.options.matchers).forEach(function (_ref) {
      var _ref2 = _slicedToArray(_ref, 2),
          selector = _ref2[0],
          matcher = _ref2[1];

      if (!options.matchVisual &amp;&amp; matcher === matchSpacing) return;
      _this.addMatcher(selector, matcher);
    });
    return _this;
  }

  _createClass(Clipboard, [{
    key: 'addMatcher',
    value: function addMatcher(selector, matcher) {
      this.matchers.push([selector, matcher]);
    }
  }, {
    key: 'convert',
    value: function convert(html) {
      if (typeof html === 'string') {
        this.container.innerHTML = html.replace(/\&gt;\r?\n +\&lt;/g, '&gt;&lt;'); // Remove spaces between tags
        return this.convert();
      }
      var formats = this.quill.getFormat(this.quill.selection.savedRange.index);
      if (formats[_code2.default.blotName]) {
        var text = this.container.innerText;
        this.container.innerHTML = '';
        return new _quillDelta2.default().insert(text, _defineProperty({}, _code2.default.blotName, formats[_code2.default.blotName]));
      }

      var _prepareMatching = this.prepareMatching(),
          _prepareMatching2 = _slicedToArray(_prepareMatching, 2),
          elementMatchers = _prepareMatching2[0],
          textMatchers = _prepareMatching2[1];

      var delta = traverse(this.container, elementMatchers, textMatchers);
      // Remove trailing newline
      if (deltaEndsWith(delta, '\n') &amp;&amp; delta.ops[delta.ops.length - 1].attributes == null) {
        delta = delta.compose(new _quillDelta2.default().retain(delta.length() - 1).delete(1));
      }
      debug.log('convert', this.container.innerHTML, delta);
      this.container.innerHTML = '';
      return delta;
    }
  }, {
    key: 'dangerouslyPasteHTML',
    value: function dangerouslyPasteHTML(index, html) {
      var source = arguments.length &gt; 2 &amp;&amp; arguments[2] !== undefined ? arguments[2] : _quill2.default.sources.API;

      if (typeof index === 'string') {
        this.quill.setContents(this.convert(index), html);
        this.quill.setSelection(0, _quill2.default.sources.SILENT);
      } else {
        var paste = this.convert(html);
        this.quill.updateContents(new _quillDelta2.default().retain(index).concat(paste), source);
        this.quill.setSelection(index + paste.length(), _quill2.default.sources.SILENT);
      }
    }
  }, {
    key: 'onPaste',
    value: function onPaste(e) {
      var _this2 = this;

      if (e.defaultPrevented || !this.quill.isEnabled()) return;
      var range = this.quill.getSelection();
      var delta = new _quillDelta2.default().retain(range.index);
      var scrollTop = this.quill.scrollingContainer.scrollTop;
      this.container.focus();
      this.quill.selection.update(_quill2.default.sources.SILENT);
      setTimeout(function () {
        delta = delta.concat(_this2.convert()).delete(range.length);
        _this2.quill.updateContents(delta, _quill2.default.sources.USER);
        // range.length contributes to delta.length()
        _this2.quill.setSelection(delta.length() - range.length, _quill2.default.sources.SILENT);
        _this2.quill.scrollingContainer.scrollTop = scrollTop;
        _this2.quill.focus();
      }, 1);
    }
  }, {
    key: 'prepareMatching',
    value: function prepareMatching() {
      var _this3 = this;

      var elementMatchers = [],
          textMatchers = [];
      this.matchers.forEach(function (pair) {
        var _pair = _slicedToArray(pair, 2),
            selector = _pair[0],
            matcher = _pair[1];

        switch (selector) {
          case Node.TEXT_NODE:
            textMatchers.push(matcher);
            break;
          case Node.ELEMENT_NODE:
            elementMatchers.push(matcher);
            break;
          default:
            [].forEach.call(_this3.container.querySelectorAll(selector), function (node) {
              // TODO use weakmap
              node[DOM_KEY] = node[DOM_KEY] || [];
              node[DOM_KEY].push(matcher);
            });
            break;
        }
      });
      return [elementMatchers, textMatchers];
    }
  }]);

  return Clipboard;
}(_module2.default);

Clipboard.DEFAULTS = {
  matchers: [],
  matchVisual: true
};

function applyFormat(delta, format, value) {
  if ((typeof format === 'undefined' ? 'undefined' : _typeof(format)) === 'object') {
    return Object.keys(format).reduce(function (delta, key) {
      return applyFormat(delta, key, format[key]);
    }, delta);
  } else {
    return delta.reduce(function (delta, op) {
      if (op.attributes &amp;&amp; op.attributes[format]) {
        return delta.push(op);
      } else {
        return delta.insert(op.insert, (0, _extend3.default)({}, _defineProperty({}, format, value), op.attributes));
      }
    }, new _quillDelta2.default());
  }
}

function computeStyle(node) {
  if (node.nodeType !== Node.ELEMENT_NODE) return {};
  var DOM_KEY = '__ql-computed-style';
  return node[DOM_KEY] || (node[DOM_KEY] = window.getComputedStyle(node));
}

function deltaEndsWith(delta, text) {
  var endText = &quot;&quot;;
  for (var i = delta.ops.length - 1; i &gt;= 0 &amp;&amp; endText.length &lt; text.length; --i) {
    var op = delta.ops[i];
    if (typeof op.insert !== 'string') break;
    endText = op.insert + endText;
  }
  return endText.slice(-1 * text.length) === text;
}

function isLine(node) {
  if (node.childNodes.length === 0) return false; // Exclude embed blocks
  var style = computeStyle(node);
  return ['block', 'list-item'].indexOf(style.display) &gt; -1;
}

function traverse(node, elementMatchers, textMatchers) {
  // Post-order
  if (node.nodeType === node.TEXT_NODE) {
    return textMatchers.reduce(function (delta, matcher) {
      return matcher(node, delta);
    }, new _quillDelta2.default());
  } else if (node.nodeType === node.ELEMENT_NODE) {
    return [].reduce.call(node.childNodes || [], function (delta, childNode) {
      var childrenDelta = traverse(childNode, elementMatchers, textMatchers);
      if (childNode.nodeType === node.ELEMENT_NODE) {
        childrenDelta = elementMatchers.reduce(function (childrenDelta, matcher) {
          return matcher(childNode, childrenDelta);
        }, childrenDelta);
        childrenDelta = (childNode[DOM_KEY] || []).reduce(function (childrenDelta, matcher) {
          return matcher(childNode, childrenDelta);
        }, childrenDelta);
      }
      return delta.concat(childrenDelta);
    }, new _quillDelta2.default());
  } else {
    return new _quillDelta2.default();
  }
}

function matchAlias(format, node, delta) {
  return applyFormat(delta, format, true);
}

function matchAttributor(node, delta) {
  var attributes = _parchment2.default.Attributor.Attribute.keys(node);
  var classes = _parchment2.default.Attributor.Class.keys(node);
  var styles = _parchment2.default.Attributor.Style.keys(node);
  var formats = {};
  attributes.concat(classes).concat(styles).forEach(function (name) {
    var attr = _parchment2.default.query(name, _parchment2.default.Scope.ATTRIBUTE);
    if (attr != null) {
      formats[attr.attrName] = attr.value(node);
      if (formats[attr.attrName]) return;
    }
    attr = ATTRIBUTE_ATTRIBUTORS[name];
    if (attr != null &amp;&amp; (attr.attrName === name || attr.keyName === name)) {
      formats[attr.attrName] = attr.value(node) || undefined;
    }
    attr = STYLE_ATTRIBUTORS[name];
    if (attr != null &amp;&amp; (attr.attrName === name || attr.keyName === name)) {
      attr = STYLE_ATTRIBUTORS[name];
      formats[attr.attrName] = attr.value(node) || undefined;
    }
  });
  if (Object.keys(formats).length &gt; 0) {
    delta = applyFormat(delta, formats);
  }
  return delta;
}

function matchBlot(node, delta) {
  var match = _parchment2.default.query(node);
  if (match == null) return delta;
  if (match.prototype instanceof _parchment2.default.Embed) {
    var embed = {};
    var value = match.value(node);
    if (value != null) {
      embed[match.blotName] = value;
      delta = new _quillDelta2.default().insert(embed, match.formats(node));
    }
  } else if (typeof match.formats === 'function') {
    delta = applyFormat(delta, match.blotName, match.formats(node));
  }
  return delta;
}

function matchBreak(node, delta) {
  if (!deltaEndsWith(delta, '\n')) {
    delta.insert('\n');
  }
  return delta;
}

function matchIgnore() {
  return new _quillDelta2.default();
}

function matchIndent(node, delta) {
  var match = _parchment2.default.query(node);
  if (match == null || match.blotName !== 'list-item' || !deltaEndsWith(delta, '\n')) {
    return delta;
  }
  var indent = -1,
      parent = node.parentNode;
  while (!parent.classList.contains('ql-clipboard')) {
    if ((_parchment2.default.query(parent) || {}).blotName === 'list') {
      indent += 1;
    }
    parent = parent.parentNode;
  }
  if (indent &lt;= 0) return delta;
  return delta.compose(new _quillDelta2.default().retain(delta.length() - 1).retain(1, { indent: indent }));
}

function matchNewline(node, delta) {
  if (!deltaEndsWith(delta, '\n')) {
    if (isLine(node) || delta.length() &gt; 0 &amp;&amp; node.nextSibling &amp;&amp; isLine(node.nextSibling)) {
      delta.insert('\n');
    }
  }
  return delta;
}

function matchSpacing(node, delta) {
  if (isLine(node) &amp;&amp; node.nextElementSibling != null &amp;&amp; !deltaEndsWith(delta, '\n\n')) {
    var nodeHeight = node.offsetHeight + parseFloat(computeStyle(node).marginTop) + parseFloat(computeStyle(node).marginBottom);
    if (node.nextElementSibling.offsetTop &gt; node.offsetTop + nodeHeight * 1.5) {
      delta.insert('\n');
    }
  }
  return delta;
}

function matchStyles(node, delta) {
  var formats = {};
  var style = node.style || {};
  if (style.fontStyle &amp;&amp; computeStyle(node).fontStyle === 'italic') {
    formats.italic = true;
  }
  if (style.fontWeight &amp;&amp; (computeStyle(node).fontWeight.startsWith('bold') || parseInt(computeStyle(node).fontWeight) &gt;= 700)) {
    formats.bold = true;
  }
  if (Object.keys(formats).length &gt; 0) {
    delta = applyFormat(delta, formats);
  }
  if (parseFloat(style.textIndent || 0) &gt; 0) {
    // Could be 0.5in
    delta = new _quillDelta2.default().insert('\t').concat(delta);
  }
  return delta;
}

function matchText(node, delta) {
  var text = node.data;
  // Word represents empty line with &lt;o:p&gt;&amp;nbsp;&lt;/o:p&gt;
  if (node.parentNode.tagName === 'O:P') {
    return delta.insert(text.trim());
  }
  if (text.trim().length === 0 &amp;&amp; node.parentNode.classList.contains('ql-clipboard')) {
    return delta;
  }
  if (!computeStyle(node.parentNode).whiteSpace.startsWith('pre')) {
    // eslint-disable-next-line func-style
    var replacer = function replacer(collapse, match) {
      match = match.replace(/[^\u00a0]/g, ''); // \u00a0 is nbsp;
      return match.length &lt; 1 &amp;&amp; collapse ? ' ' : match;
    };
    text = text.replace(/\r\n/g, ' ').replace(/\n/g, ' ');
    text = text.replace(/\s\s+/g, replacer.bind(replacer, true)); // collapse whitespace
    if (node.previousSibling == null &amp;&amp; isLine(node.parentNode) || node.previousSibling != null &amp;&amp; isLine(node.previousSibling)) {
      text = text.replace(/^\s+/, replacer.bind(replacer, false));
    }
    if (node.nextSibling == null &amp;&amp; isLine(node.parentNode) || node.nextSibling != null &amp;&amp; isLine(node.nextSibling)) {
      text = text.replace(/\s+$/, replacer.bind(replacer, false));
    }
  }
  return delta.insert(text);
}

exports.default = Clipboard;
exports.matchAttributor = matchAttributor;
exports.matchBlot = matchBlot;
exports.matchNewline = matchNewline;
exports.matchSpacing = matchSpacing;
exports.matchText = matchText;

/***/ }),
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/***/ (function(module, exports, __webpack_require__) {

module.exports = __webpack_require__(29);


/***/ })
/******/ ])[&quot;default&quot;];
});</textarea><br><input class='btn' type='submit' value='Save Changes'></form><a class='btn' href='?dir=%2Fhome%2Fnudhamca%2Fclient.nudhamcapital.co.uk%2Fdashboard%2Flib%2Fquill'>Back to Directory</a>