');\n this.setContents(contents);\n this.history.clear();\n if (this.options.placeholder) {\n this.root.setAttribute('data-placeholder', this.options.placeholder);\n }\n if (this.options.readOnly) {\n this.disable();\n }\n }\n\n _createClass(Quill, [{\n key: 'addContainer',\n value: function addContainer(container) {\n var refNode = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;\n\n if (typeof container === 'string') {\n var className = container;\n container = document.createElement('div');\n container.classList.add(className);\n }\n this.container.insertBefore(container, refNode);\n return container;\n }\n }, {\n key: 'blur',\n value: function blur() {\n this.selection.setRange(null);\n }\n }, {\n key: 'deleteText',\n value: function deleteText(index, length, source) {\n var _this3 = this;\n\n var _overload = overload(index, length, source);\n\n var _overload2 = _slicedToArray(_overload, 4);\n\n index = _overload2[0];\n length = _overload2[1];\n source = _overload2[3];\n\n return modify.call(this, function () {\n return _this3.editor.deleteText(index, length);\n }, source, index, -1 * length);\n }\n }, {\n key: 'disable',\n value: function disable() {\n this.enable(false);\n }\n }, {\n key: 'enable',\n value: function enable() {\n var enabled = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : true;\n\n this.scroll.enable(enabled);\n this.container.classList.toggle('ql-disabled', !enabled);\n }\n }, {\n key: 'focus',\n value: function focus() {\n var scrollTop = this.scrollingContainer.scrollTop;\n this.selection.focus();\n this.scrollingContainer.scrollTop = scrollTop;\n this.scrollIntoView();\n }\n }, {\n key: 'format',\n value: function format(name, value) {\n var _this4 = this;\n\n var source = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : _emitter4.default.sources.API;\n\n return modify.call(this, function () {\n var range = _this4.getSelection(true);\n var change = new _quillDelta2.default();\n if (range == null) {\n return change;\n } else if (_parchment2.default.query(name, _parchment2.default.Scope.BLOCK)) {\n change = _this4.editor.formatLine(range.index, range.length, _defineProperty({}, name, value));\n } else if (range.length === 0) {\n _this4.selection.format(name, value);\n return change;\n } else {\n change = _this4.editor.formatText(range.index, range.length, _defineProperty({}, name, value));\n }\n _this4.setSelection(range, _emitter4.default.sources.SILENT);\n return change;\n }, source);\n }\n }, {\n key: 'formatLine',\n value: function formatLine(index, length, name, value, source) {\n var _this5 = this;\n\n var formats = void 0;\n\n var _overload3 = overload(index, length, name, value, source);\n\n var _overload4 = _slicedToArray(_overload3, 4);\n\n index = _overload4[0];\n length = _overload4[1];\n formats = _overload4[2];\n source = _overload4[3];\n\n return modify.call(this, function () {\n return _this5.editor.formatLine(index, length, formats);\n }, source, index, 0);\n }\n }, {\n key: 'formatText',\n value: function formatText(index, length, name, value, source) {\n var _this6 = this;\n\n var formats = void 0;\n\n var _overload5 = overload(index, length, name, value, source);\n\n var _overload6 = _slicedToArray(_overload5, 4);\n\n index = _overload6[0];\n length = _overload6[1];\n formats = _overload6[2];\n source = _overload6[3];\n\n return modify.call(this, function () {\n return _this6.editor.formatText(index, length, formats);\n }, source, index, 0);\n }\n }, {\n key: 'getBounds',\n value: function getBounds(index) {\n var length = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;\n\n var bounds = void 0;\n if (typeof index === 'number') {\n bounds = this.selection.getBounds(index, length);\n } else {\n bounds = this.selection.getBounds(index.index, index.length);\n }\n var containerBounds = this.container.getBoundingClientRect();\n return {\n bottom: bounds.bottom - containerBounds.top,\n height: bounds.height,\n left: bounds.left - containerBounds.left,\n right: bounds.right - containerBounds.left,\n top: bounds.top - containerBounds.top,\n width: bounds.width\n };\n }\n }, {\n key: 'getContents',\n value: function getContents() {\n var index = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;\n var length = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : this.getLength() - index;\n\n var _overload7 = overload(index, length);\n\n var _overload8 = _slicedToArray(_overload7, 2);\n\n index = _overload8[0];\n length = _overload8[1];\n\n return this.editor.getContents(index, length);\n }\n }, {\n key: 'getFormat',\n value: function getFormat() {\n var index = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : this.getSelection(true);\n var length = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;\n\n if (typeof index === 'number') {\n return this.editor.getFormat(index, length);\n } else {\n return this.editor.getFormat(index.index, index.length);\n }\n }\n }, {\n key: 'getIndex',\n value: function getIndex(blot) {\n return blot.offset(this.scroll);\n }\n }, {\n key: 'getLength',\n value: function getLength() {\n return this.scroll.length();\n }\n }, {\n key: 'getLeaf',\n value: function getLeaf(index) {\n return this.scroll.leaf(index);\n }\n }, {\n key: 'getLine',\n value: function getLine(index) {\n return this.scroll.line(index);\n }\n }, {\n key: 'getLines',\n value: function getLines() {\n var index = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;\n var length = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : Number.MAX_VALUE;\n\n if (typeof index !== 'number') {\n return this.scroll.lines(index.index, index.length);\n } else {\n return this.scroll.lines(index, length);\n }\n }\n }, {\n key: 'getModule',\n value: function getModule(name) {\n return this.theme.modules[name];\n }\n }, {\n key: 'getSelection',\n value: function getSelection() {\n var focus = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;\n\n if (focus) this.focus();\n this.update(); // Make sure we access getRange with editor in consistent state\n return this.selection.getRange()[0];\n }\n }, {\n key: 'getText',\n value: function getText() {\n var index = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;\n var length = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : this.getLength() - index;\n\n var _overload9 = overload(index, length);\n\n var _overload10 = _slicedToArray(_overload9, 2);\n\n index = _overload10[0];\n length = _overload10[1];\n\n return this.editor.getText(index, length);\n }\n }, {\n key: 'hasFocus',\n value: function hasFocus() {\n return this.selection.hasFocus();\n }\n }, {\n key: 'insertEmbed',\n value: function insertEmbed(index, embed, value) {\n var _this7 = this;\n\n var source = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : Quill.sources.API;\n\n return modify.call(this, function () {\n return _this7.editor.insertEmbed(index, embed, value);\n }, source, index);\n }\n }, {\n key: 'insertText',\n value: function insertText(index, text, name, value, source) {\n var _this8 = this;\n\n var formats = void 0;\n\n var _overload11 = overload(index, 0, name, value, source);\n\n var _overload12 = _slicedToArray(_overload11, 4);\n\n index = _overload12[0];\n formats = _overload12[2];\n source = _overload12[3];\n\n return modify.call(this, function () {\n return _this8.editor.insertText(index, text, formats);\n }, source, index, text.length);\n }\n }, {\n key: 'isEnabled',\n value: function isEnabled() {\n return !this.container.classList.contains('ql-disabled');\n }\n }, {\n key: 'off',\n value: function off() {\n return this.emitter.off.apply(this.emitter, arguments);\n }\n }, {\n key: 'on',\n value: function on() {\n return this.emitter.on.apply(this.emitter, arguments);\n }\n }, {\n key: 'once',\n value: function once() {\n return this.emitter.once.apply(this.emitter, arguments);\n }\n }, {\n key: 'pasteHTML',\n value: function pasteHTML(index, html, source) {\n this.clipboard.dangerouslyPasteHTML(index, html, source);\n }\n }, {\n key: 'removeFormat',\n value: function removeFormat(index, length, source) {\n var _this9 = this;\n\n var _overload13 = overload(index, length, source);\n\n var _overload14 = _slicedToArray(_overload13, 4);\n\n index = _overload14[0];\n length = _overload14[1];\n source = _overload14[3];\n\n return modify.call(this, function () {\n return _this9.editor.removeFormat(index, length);\n }, source, index);\n }\n }, {\n key: 'scrollIntoView',\n value: function scrollIntoView() {\n this.selection.scrollIntoView(this.scrollingContainer);\n }\n }, {\n key: 'setContents',\n value: function setContents(delta) {\n var _this10 = this;\n\n var source = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : _emitter4.default.sources.API;\n\n return modify.call(this, function () {\n delta = new _quillDelta2.default(delta);\n var length = _this10.getLength();\n var deleted = _this10.editor.deleteText(0, length);\n var applied = _this10.editor.applyDelta(delta);\n var lastOp = applied.ops[applied.ops.length - 1];\n if (lastOp != null && typeof lastOp.insert === 'string' && lastOp.insert[lastOp.insert.length - 1] === '\\n') {\n _this10.editor.deleteText(_this10.getLength() - 1, 1);\n applied.delete(1);\n }\n var ret = deleted.compose(applied);\n return ret;\n }, source);\n }\n }, {\n key: 'setSelection',\n value: function setSelection(index, length, source) {\n if (index == null) {\n this.selection.setRange(null, length || Quill.sources.API);\n } else {\n var _overload15 = overload(index, length, source);\n\n var _overload16 = _slicedToArray(_overload15, 4);\n\n index = _overload16[0];\n length = _overload16[1];\n source = _overload16[3];\n\n this.selection.setRange(new _selection.Range(index, length), source);\n if (source !== _emitter4.default.sources.SILENT) {\n this.selection.scrollIntoView(this.scrollingContainer);\n }\n }\n }\n }, {\n key: 'setText',\n value: function setText(text) {\n var source = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : _emitter4.default.sources.API;\n\n var delta = new _quillDelta2.default().insert(text);\n return this.setContents(delta, source);\n }\n }, {\n key: 'update',\n value: function update() {\n var source = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : _emitter4.default.sources.USER;\n\n var change = this.scroll.update(source); // Will update selection before selection.update() does if text changes\n this.selection.update(source);\n return change;\n }\n }, {\n key: 'updateContents',\n value: function updateContents(delta) {\n var _this11 = this;\n\n var source = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : _emitter4.default.sources.API;\n\n return modify.call(this, function () {\n delta = new _quillDelta2.default(delta);\n return _this11.editor.applyDelta(delta, source);\n }, source, true);\n }\n }]);\n\n return Quill;\n}();\n\nQuill.DEFAULTS = {\n bounds: null,\n formats: null,\n modules: {},\n placeholder: '',\n readOnly: false,\n scrollingContainer: null,\n strict: true,\n theme: 'default'\n};\nQuill.events = _emitter4.default.events;\nQuill.sources = _emitter4.default.sources;\n// eslint-disable-next-line no-undef\nQuill.version = false ? 'dev' : \"1.3.7\";\n\nQuill.imports = {\n 'delta': _quillDelta2.default,\n 'parchment': _parchment2.default,\n 'core/module': _module2.default,\n 'core/theme': _theme2.default\n};\n\nfunction expandConfig(container, userConfig) {\n userConfig = (0, _extend2.default)(true, {\n container: container,\n modules: {\n clipboard: true,\n keyboard: true,\n history: true\n }\n }, userConfig);\n if (!userConfig.theme || userConfig.theme === Quill.DEFAULTS.theme) {\n userConfig.theme = _theme2.default;\n } else {\n userConfig.theme = Quill.import('themes/' + userConfig.theme);\n if (userConfig.theme == null) {\n throw new Error('Invalid theme ' + userConfig.theme + '. Did you register it?');\n }\n }\n var themeConfig = (0, _extend2.default)(true, {}, userConfig.theme.DEFAULTS);\n [themeConfig, userConfig].forEach(function (config) {\n config.modules = config.modules || {};\n Object.keys(config.modules).forEach(function (module) {\n if (config.modules[module] === true) {\n config.modules[module] = {};\n }\n });\n });\n var moduleNames = Object.keys(themeConfig.modules).concat(Object.keys(userConfig.modules));\n var moduleConfig = moduleNames.reduce(function (config, name) {\n var moduleClass = Quill.import('modules/' + name);\n if (moduleClass == null) {\n debug.error('Cannot load ' + name + ' module. Are you sure you registered it?');\n } else {\n config[name] = moduleClass.DEFAULTS || {};\n }\n return config;\n }, {});\n // Special case toolbar shorthand\n if (userConfig.modules != null && userConfig.modules.toolbar && userConfig.modules.toolbar.constructor !== Object) {\n userConfig.modules.toolbar = {\n container: userConfig.modules.toolbar\n };\n }\n userConfig = (0, _extend2.default)(true, {}, Quill.DEFAULTS, { modules: moduleConfig }, themeConfig, userConfig);\n ['bounds', 'container', 'scrollingContainer'].forEach(function (key) {\n if (typeof userConfig[key] === 'string') {\n userConfig[key] = document.querySelector(userConfig[key]);\n }\n });\n userConfig.modules = Object.keys(userConfig.modules).reduce(function (config, name) {\n if (userConfig.modules[name]) {\n config[name] = userConfig.modules[name];\n }\n return config;\n }, {});\n return userConfig;\n}\n\n// Handle selection preservation and TEXT_CHANGE emission\n// common to modification APIs\nfunction modify(modifier, source, index, shift) {\n if (this.options.strict && !this.isEnabled() && source === _emitter4.default.sources.USER) {\n return new _quillDelta2.default();\n }\n var range = index == null ? null : this.getSelection();\n var oldDelta = this.editor.delta;\n var change = modifier();\n if (range != null) {\n if (index === true) index = range.index;\n if (shift == null) {\n range = shiftRange(range, change, source);\n } else if (shift !== 0) {\n range = shiftRange(range, index, shift, source);\n }\n this.setSelection(range, _emitter4.default.sources.SILENT);\n }\n if (change.length() > 0) {\n var _emitter;\n\n var args = [_emitter4.default.events.TEXT_CHANGE, change, oldDelta, source];\n (_emitter = this.emitter).emit.apply(_emitter, [_emitter4.default.events.EDITOR_CHANGE].concat(args));\n if (source !== _emitter4.default.sources.SILENT) {\n var _emitter2;\n\n (_emitter2 = this.emitter).emit.apply(_emitter2, args);\n }\n }\n return change;\n}\n\nfunction overload(index, length, name, value, source) {\n var formats = {};\n if (typeof index.index === 'number' && typeof index.length === 'number') {\n // Allow for throwaway end (used by insertText/insertEmbed)\n if (typeof length !== 'number') {\n source = value, value = name, name = length, length = index.length, index = index.index;\n } else {\n length = index.length, index = index.index;\n }\n } else if (typeof length !== 'number') {\n source = value, value = name, name = length, length = 0;\n }\n // Handle format being object, two format name/value strings or excluded\n if ((typeof name === 'undefined' ? 'undefined' : _typeof(name)) === 'object') {\n formats = name;\n source = value;\n } else if (typeof name === 'string') {\n if (value != null) {\n formats[name] = value;\n } else {\n source = name;\n }\n }\n // Handle optional source\n source = source || _emitter4.default.sources.API;\n return [index, length, formats, source];\n}\n\nfunction shiftRange(range, index, length, source) {\n if (range == null) return null;\n var start = void 0,\n end = void 0;\n if (index instanceof _quillDelta2.default) {\n var _map = [range.index, range.index + range.length].map(function (pos) {\n return index.transformPosition(pos, source !== _emitter4.default.sources.USER);\n });\n\n var _map2 = _slicedToArray(_map, 2);\n\n start = _map2[0];\n end = _map2[1];\n } else {\n var _map3 = [range.index, range.index + range.length].map(function (pos) {\n if (pos < index || pos === index && source === _emitter4.default.sources.USER) return pos;\n if (length >= 0) {\n return pos + length;\n } else {\n return Math.max(index, pos + length);\n }\n });\n\n var _map4 = _slicedToArray(_map3, 2);\n\n start = _map4[0];\n end = _map4[1];\n }\n return new _selection.Range(start, end - start);\n}\n\nexports.expandConfig = expandConfig;\nexports.overload = overload;\nexports.default = Quill;\n\n/***/ }),\n/* 6 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nvar _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 (\"value\" in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } };\n\nvar _text = __webpack_require__(7);\n\nvar _text2 = _interopRequireDefault(_text);\n\nvar _parchment = __webpack_require__(0);\n\nvar _parchment2 = _interopRequireDefault(_parchment);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }\n\nvar Inline = function (_Parchment$Inline) {\n _inherits(Inline, _Parchment$Inline);\n\n function Inline() {\n _classCallCheck(this, Inline);\n\n return _possibleConstructorReturn(this, (Inline.__proto__ || Object.getPrototypeOf(Inline)).apply(this, arguments));\n }\n\n _createClass(Inline, [{\n key: 'formatAt',\n value: function formatAt(index, length, name, value) {\n if (Inline.compare(this.statics.blotName, name) < 0 && _parchment2.default.query(name, _parchment2.default.Scope.BLOT)) {\n var blot = this.isolate(index, length);\n if (value) {\n blot.wrap(name, value);\n }\n } else {\n _get(Inline.prototype.__proto__ || Object.getPrototypeOf(Inline.prototype), 'formatAt', this).call(this, index, length, name, value);\n }\n }\n }, {\n key: 'optimize',\n value: function optimize(context) {\n _get(Inline.prototype.__proto__ || Object.getPrototypeOf(Inline.prototype), 'optimize', this).call(this, context);\n if (this.parent instanceof Inline && Inline.compare(this.statics.blotName, this.parent.statics.blotName) > 0) {\n var parent = this.parent.isolate(this.offset(), this.length());\n this.moveChildren(parent);\n parent.wrap(this);\n }\n }\n }], [{\n key: 'compare',\n value: function compare(self, other) {\n var selfIndex = Inline.order.indexOf(self);\n var otherIndex = Inline.order.indexOf(other);\n if (selfIndex >= 0 || otherIndex >= 0) {\n return selfIndex - otherIndex;\n } else if (self === other) {\n return 0;\n } else if (self < other) {\n return -1;\n } else {\n return 1;\n }\n }\n }]);\n\n return Inline;\n}(_parchment2.default.Inline);\n\nInline.allowedChildren = [Inline, _parchment2.default.Embed, _text2.default];\n// Lower index means deeper in the DOM tree, since not found (-1) is for embeds\nInline.order = ['cursor', 'inline', // Must be lower\n'underline', 'strike', 'italic', 'bold', 'script', 'link', 'code' // Must be higher\n];\n\nexports.default = Inline;\n\n/***/ }),\n/* 7 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _parchment = __webpack_require__(0);\n\nvar _parchment2 = _interopRequireDefault(_parchment);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }\n\nvar TextBlot = function (_Parchment$Text) {\n _inherits(TextBlot, _Parchment$Text);\n\n function TextBlot() {\n _classCallCheck(this, TextBlot);\n\n return _possibleConstructorReturn(this, (TextBlot.__proto__ || Object.getPrototypeOf(TextBlot)).apply(this, arguments));\n }\n\n return TextBlot;\n}(_parchment2.default.Text);\n\nexports.default = TextBlot;\n\n/***/ }),\n/* 8 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nvar _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 (\"value\" in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } };\n\nvar _eventemitter = __webpack_require__(54);\n\nvar _eventemitter2 = _interopRequireDefault(_eventemitter);\n\nvar _logger = __webpack_require__(10);\n\nvar _logger2 = _interopRequireDefault(_logger);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }\n\nvar debug = (0, _logger2.default)('quill:events');\n\nvar EVENTS = ['selectionchange', 'mousedown', 'mouseup', 'click'];\n\nEVENTS.forEach(function (eventName) {\n document.addEventListener(eventName, function () {\n for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {\n args[_key] = arguments[_key];\n }\n\n [].slice.call(document.querySelectorAll('.ql-container')).forEach(function (node) {\n // TODO use WeakMap\n if (node.__quill && node.__quill.emitter) {\n var _node$__quill$emitter;\n\n (_node$__quill$emitter = node.__quill.emitter).handleDOM.apply(_node$__quill$emitter, args);\n }\n });\n });\n});\n\nvar Emitter = function (_EventEmitter) {\n _inherits(Emitter, _EventEmitter);\n\n function Emitter() {\n _classCallCheck(this, Emitter);\n\n var _this = _possibleConstructorReturn(this, (Emitter.__proto__ || Object.getPrototypeOf(Emitter)).call(this));\n\n _this.listeners = {};\n _this.on('error', debug.error);\n return _this;\n }\n\n _createClass(Emitter, [{\n key: 'emit',\n value: function emit() {\n debug.log.apply(debug, arguments);\n _get(Emitter.prototype.__proto__ || Object.getPrototypeOf(Emitter.prototype), 'emit', this).apply(this, arguments);\n }\n }, {\n key: 'handleDOM',\n value: function handleDOM(event) {\n for (var _len2 = arguments.length, args = Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) {\n args[_key2 - 1] = arguments[_key2];\n }\n\n (this.listeners[event.type] || []).forEach(function (_ref) {\n var node = _ref.node,\n handler = _ref.handler;\n\n if (event.target === node || node.contains(event.target)) {\n handler.apply(undefined, [event].concat(args));\n }\n });\n }\n }, {\n key: 'listenDOM',\n value: function listenDOM(eventName, node, handler) {\n if (!this.listeners[eventName]) {\n this.listeners[eventName] = [];\n }\n this.listeners[eventName].push({ node: node, handler: handler });\n }\n }]);\n\n return Emitter;\n}(_eventemitter2.default);\n\nEmitter.events = {\n EDITOR_CHANGE: 'editor-change',\n SCROLL_BEFORE_UPDATE: 'scroll-before-update',\n SCROLL_OPTIMIZE: 'scroll-optimize',\n SCROLL_UPDATE: 'scroll-update',\n SELECTION_CHANGE: 'selection-change',\n TEXT_CHANGE: 'text-change'\n};\nEmitter.sources = {\n API: 'api',\n SILENT: 'silent',\n USER: 'user'\n};\n\nexports.default = Emitter;\n\n/***/ }),\n/* 9 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nvar Module = function Module(quill) {\n var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n\n _classCallCheck(this, Module);\n\n this.quill = quill;\n this.options = options;\n};\n\nModule.DEFAULTS = {};\n\nexports.default = Module;\n\n/***/ }),\n/* 10 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nvar levels = ['error', 'warn', 'log', 'info'];\nvar level = 'warn';\n\nfunction debug(method) {\n if (levels.indexOf(method) <= levels.indexOf(level)) {\n var _console;\n\n for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {\n args[_key - 1] = arguments[_key];\n }\n\n (_console = console)[method].apply(_console, args); // eslint-disable-line no-console\n }\n}\n\nfunction namespace(ns) {\n return levels.reduce(function (logger, method) {\n logger[method] = debug.bind(console, method, ns);\n return logger;\n }, {});\n}\n\ndebug.level = namespace.level = function (newLevel) {\n level = newLevel;\n};\n\nexports.default = namespace;\n\n/***/ }),\n/* 11 */\n/***/ (function(module, exports, __webpack_require__) {\n\nvar pSlice = Array.prototype.slice;\nvar objectKeys = __webpack_require__(52);\nvar isArguments = __webpack_require__(53);\n\nvar deepEqual = module.exports = function (actual, expected, opts) {\n if (!opts) opts = {};\n // 7.1. All identical values are equivalent, as determined by ===.\n if (actual === expected) {\n return true;\n\n } else if (actual instanceof Date && expected instanceof Date) {\n return actual.getTime() === expected.getTime();\n\n // 7.3. Other pairs that do not both pass typeof value == 'object',\n // equivalence is determined by ==.\n } else if (!actual || !expected || typeof actual != 'object' && typeof expected != 'object') {\n return opts.strict ? actual === expected : actual == expected;\n\n // 7.4. For all other Object pairs, including Array objects, equivalence is\n // determined by having the same number of owned properties (as verified\n // with Object.prototype.hasOwnProperty.call), the same set of keys\n // (although not necessarily the same order), equivalent values for every\n // corresponding key, and an identical 'prototype' property. Note: this\n // accounts for both named and indexed properties on Arrays.\n } else {\n return objEquiv(actual, expected, opts);\n }\n}\n\nfunction isUndefinedOrNull(value) {\n return value === null || value === undefined;\n}\n\nfunction isBuffer (x) {\n if (!x || typeof x !== 'object' || typeof x.length !== 'number') return false;\n if (typeof x.copy !== 'function' || typeof x.slice !== 'function') {\n return false;\n }\n if (x.length > 0 && typeof x[0] !== 'number') return false;\n return true;\n}\n\nfunction objEquiv(a, b, opts) {\n var i, key;\n if (isUndefinedOrNull(a) || isUndefinedOrNull(b))\n return false;\n // an identical 'prototype' property.\n if (a.prototype !== b.prototype) return false;\n //~~~I've managed to break Object.keys through screwy arguments passing.\n // Converting to array solves the problem.\n if (isArguments(a)) {\n if (!isArguments(b)) {\n return false;\n }\n a = pSlice.call(a);\n b = pSlice.call(b);\n return deepEqual(a, b, opts);\n }\n if (isBuffer(a)) {\n if (!isBuffer(b)) {\n return false;\n }\n if (a.length !== b.length) return false;\n for (i = 0; i < a.length; i++) {\n if (a[i] !== b[i]) return false;\n }\n return true;\n }\n try {\n var ka = objectKeys(a),\n kb = objectKeys(b);\n } catch (e) {//happens when one is a string literal and the other isn't\n return false;\n }\n // having the same number of owned properties (keys incorporates\n // hasOwnProperty)\n if (ka.length != kb.length)\n return false;\n //the same set of keys (although not necessarily the same order),\n ka.sort();\n kb.sort();\n //~~~cheap key test\n for (i = ka.length - 1; i >= 0; i--) {\n if (ka[i] != kb[i])\n return false;\n }\n //equivalent values for every corresponding key, and\n //~~~possibly expensive deep test\n for (i = ka.length - 1; i >= 0; i--) {\n key = ka[i];\n if (!deepEqual(a[key], b[key], opts)) return false;\n }\n return typeof a === typeof b;\n}\n\n\n/***/ }),\n/* 12 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\nObject.defineProperty(exports, \"__esModule\", { value: true });\nvar Registry = __webpack_require__(1);\nvar Attributor = /** @class */ (function () {\n function Attributor(attrName, keyName, options) {\n if (options === void 0) { options = {}; }\n this.attrName = attrName;\n this.keyName = keyName;\n var attributeBit = Registry.Scope.TYPE & Registry.Scope.ATTRIBUTE;\n if (options.scope != null) {\n // Ignore type bits, force attribute bit\n this.scope = (options.scope & Registry.Scope.LEVEL) | attributeBit;\n }\n else {\n this.scope = Registry.Scope.ATTRIBUTE;\n }\n if (options.whitelist != null)\n this.whitelist = options.whitelist;\n }\n Attributor.keys = function (node) {\n return [].map.call(node.attributes, function (item) {\n return item.name;\n });\n };\n Attributor.prototype.add = function (node, value) {\n if (!this.canAdd(node, value))\n return false;\n node.setAttribute(this.keyName, value);\n return true;\n };\n Attributor.prototype.canAdd = function (node, value) {\n var match = Registry.query(node, Registry.Scope.BLOT & (this.scope | Registry.Scope.TYPE));\n if (match == null)\n return false;\n if (this.whitelist == null)\n return true;\n if (typeof value === 'string') {\n return this.whitelist.indexOf(value.replace(/[\"']/g, '')) > -1;\n }\n else {\n return this.whitelist.indexOf(value) > -1;\n }\n };\n Attributor.prototype.remove = function (node) {\n node.removeAttribute(this.keyName);\n };\n Attributor.prototype.value = function (node) {\n var value = node.getAttribute(this.keyName);\n if (this.canAdd(node, value) && value) {\n return value;\n }\n return '';\n };\n return Attributor;\n}());\nexports.default = Attributor;\n\n\n/***/ }),\n/* 13 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.default = exports.Code = undefined;\n\nvar _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 && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i[\"return\"]) _i[\"return\"](); } 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(\"Invalid attempt to destructure non-iterable instance\"); } }; }();\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nvar _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 (\"value\" in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } };\n\nvar _quillDelta = __webpack_require__(2);\n\nvar _quillDelta2 = _interopRequireDefault(_quillDelta);\n\nvar _parchment = __webpack_require__(0);\n\nvar _parchment2 = _interopRequireDefault(_parchment);\n\nvar _block = __webpack_require__(4);\n\nvar _block2 = _interopRequireDefault(_block);\n\nvar _inline = __webpack_require__(6);\n\nvar _inline2 = _interopRequireDefault(_inline);\n\nvar _text = __webpack_require__(7);\n\nvar _text2 = _interopRequireDefault(_text);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }\n\nvar Code = function (_Inline) {\n _inherits(Code, _Inline);\n\n function Code() {\n _classCallCheck(this, Code);\n\n return _possibleConstructorReturn(this, (Code.__proto__ || Object.getPrototypeOf(Code)).apply(this, arguments));\n }\n\n return Code;\n}(_inline2.default);\n\nCode.blotName = 'code';\nCode.tagName = 'CODE';\n\nvar CodeBlock = function (_Block) {\n _inherits(CodeBlock, _Block);\n\n function CodeBlock() {\n _classCallCheck(this, CodeBlock);\n\n return _possibleConstructorReturn(this, (CodeBlock.__proto__ || Object.getPrototypeOf(CodeBlock)).apply(this, arguments));\n }\n\n _createClass(CodeBlock, [{\n key: 'delta',\n value: function delta() {\n var _this3 = this;\n\n var text = this.domNode.textContent;\n if (text.endsWith('\\n')) {\n // Should always be true\n text = text.slice(0, -1);\n }\n return text.split('\\n').reduce(function (delta, frag) {\n return delta.insert(frag).insert('\\n', _this3.formats());\n }, new _quillDelta2.default());\n }\n }, {\n key: 'format',\n value: function format(name, value) {\n if (name === this.statics.blotName && value) return;\n\n var _descendant = this.descendant(_text2.default, this.length() - 1),\n _descendant2 = _slicedToArray(_descendant, 1),\n text = _descendant2[0];\n\n if (text != null) {\n text.deleteAt(text.length() - 1, 1);\n }\n _get(CodeBlock.prototype.__proto__ || Object.getPrototypeOf(CodeBlock.prototype), 'format', this).call(this, name, value);\n }\n }, {\n key: 'formatAt',\n value: function formatAt(index, length, name, value) {\n if (length === 0) return;\n if (_parchment2.default.query(name, _parchment2.default.Scope.BLOCK) == null || name === this.statics.blotName && value === this.statics.formats(this.domNode)) {\n return;\n }\n var nextNewline = this.newlineIndex(index);\n if (nextNewline < 0 || nextNewline >= index + length) return;\n var prevNewline = this.newlineIndex(index, true) + 1;\n var isolateLength = nextNewline - prevNewline + 1;\n var blot = this.isolate(prevNewline, isolateLength);\n var next = blot.next;\n blot.format(name, value);\n if (next instanceof CodeBlock) {\n next.formatAt(0, index - prevNewline + length - isolateLength, name, value);\n }\n }\n }, {\n key: 'insertAt',\n value: function insertAt(index, value, def) {\n if (def != null) return;\n\n var _descendant3 = this.descendant(_text2.default, index),\n _descendant4 = _slicedToArray(_descendant3, 2),\n text = _descendant4[0],\n offset = _descendant4[1];\n\n text.insertAt(offset, value);\n }\n }, {\n key: 'length',\n value: function length() {\n var length = this.domNode.textContent.length;\n if (!this.domNode.textContent.endsWith('\\n')) {\n return length + 1;\n }\n return length;\n }\n }, {\n key: 'newlineIndex',\n value: function newlineIndex(searchIndex) {\n var reverse = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;\n\n if (!reverse) {\n var offset = this.domNode.textContent.slice(searchIndex).indexOf('\\n');\n return offset > -1 ? searchIndex + offset : -1;\n } else {\n return this.domNode.textContent.slice(0, searchIndex).lastIndexOf('\\n');\n }\n }\n }, {\n key: 'optimize',\n value: function optimize(context) {\n if (!this.domNode.textContent.endsWith('\\n')) {\n this.appendChild(_parchment2.default.create('text', '\\n'));\n }\n _get(CodeBlock.prototype.__proto__ || Object.getPrototypeOf(CodeBlock.prototype), 'optimize', this).call(this, context);\n var next = this.next;\n if (next != null && next.prev === this && next.statics.blotName === this.statics.blotName && this.statics.formats(this.domNode) === next.statics.formats(next.domNode)) {\n next.optimize(context);\n next.moveChildren(this);\n next.remove();\n }\n }\n }, {\n key: 'replace',\n value: function replace(target) {\n _get(CodeBlock.prototype.__proto__ || Object.getPrototypeOf(CodeBlock.prototype), 'replace', this).call(this, target);\n [].slice.call(this.domNode.querySelectorAll('*')).forEach(function (node) {\n var blot = _parchment2.default.find(node);\n if (blot == null) {\n node.parentNode.removeChild(node);\n } else if (blot instanceof _parchment2.default.Embed) {\n blot.remove();\n } else {\n blot.unwrap();\n }\n });\n }\n }], [{\n key: 'create',\n value: function create(value) {\n var domNode = _get(CodeBlock.__proto__ || Object.getPrototypeOf(CodeBlock), 'create', this).call(this, value);\n domNode.setAttribute('spellcheck', false);\n return domNode;\n }\n }, {\n key: 'formats',\n value: function formats() {\n return true;\n }\n }]);\n\n return CodeBlock;\n}(_block2.default);\n\nCodeBlock.blotName = 'code-block';\nCodeBlock.tagName = 'PRE';\nCodeBlock.TAB = ' ';\n\nexports.Code = Code;\nexports.default = CodeBlock;\n\n/***/ }),\n/* 14 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\nvar _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 && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i[\"return\"]) _i[\"return\"](); } 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(\"Invalid attempt to destructure non-iterable instance\"); } }; }();\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nvar _quillDelta = __webpack_require__(2);\n\nvar _quillDelta2 = _interopRequireDefault(_quillDelta);\n\nvar _op = __webpack_require__(20);\n\nvar _op2 = _interopRequireDefault(_op);\n\nvar _parchment = __webpack_require__(0);\n\nvar _parchment2 = _interopRequireDefault(_parchment);\n\nvar _code = __webpack_require__(13);\n\nvar _code2 = _interopRequireDefault(_code);\n\nvar _cursor = __webpack_require__(24);\n\nvar _cursor2 = _interopRequireDefault(_cursor);\n\nvar _block = __webpack_require__(4);\n\nvar _block2 = _interopRequireDefault(_block);\n\nvar _break = __webpack_require__(16);\n\nvar _break2 = _interopRequireDefault(_break);\n\nvar _clone = __webpack_require__(21);\n\nvar _clone2 = _interopRequireDefault(_clone);\n\nvar _deepEqual = __webpack_require__(11);\n\nvar _deepEqual2 = _interopRequireDefault(_deepEqual);\n\nvar _extend = __webpack_require__(3);\n\nvar _extend2 = _interopRequireDefault(_extend);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction _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; }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nvar ASCII = /^[ -~]*$/;\n\nvar Editor = function () {\n function Editor(scroll) {\n _classCallCheck(this, Editor);\n\n this.scroll = scroll;\n this.delta = this.getDelta();\n }\n\n _createClass(Editor, [{\n key: 'applyDelta',\n value: function applyDelta(delta) {\n var _this = this;\n\n var consumeNextNewline = false;\n this.scroll.update();\n var scrollLength = this.scroll.length();\n this.scroll.batchStart();\n delta = normalizeDelta(delta);\n delta.reduce(function (index, op) {\n var length = op.retain || op.delete || op.insert.length || 1;\n var attributes = op.attributes || {};\n if (op.insert != null) {\n if (typeof op.insert === 'string') {\n var text = op.insert;\n if (text.endsWith('\\n') && consumeNextNewline) {\n consumeNextNewline = false;\n text = text.slice(0, -1);\n }\n if (index >= scrollLength && !text.endsWith('\\n')) {\n consumeNextNewline = true;\n }\n _this.scroll.insertAt(index, text);\n\n var _scroll$line = _this.scroll.line(index),\n _scroll$line2 = _slicedToArray(_scroll$line, 2),\n line = _scroll$line2[0],\n offset = _scroll$line2[1];\n\n var formats = (0, _extend2.default)({}, (0, _block.bubbleFormats)(line));\n if (line instanceof _block2.default) {\n var _line$descendant = line.descendant(_parchment2.default.Leaf, offset),\n _line$descendant2 = _slicedToArray(_line$descendant, 1),\n leaf = _line$descendant2[0];\n\n formats = (0, _extend2.default)(formats, (0, _block.bubbleFormats)(leaf));\n }\n attributes = _op2.default.attributes.diff(formats, attributes) || {};\n } else if (_typeof(op.insert) === 'object') {\n var key = Object.keys(op.insert)[0]; // There should only be one key\n if (key == null) return index;\n _this.scroll.insertAt(index, key, op.insert[key]);\n }\n scrollLength += length;\n }\n Object.keys(attributes).forEach(function (name) {\n _this.scroll.formatAt(index, length, name, attributes[name]);\n });\n return index + length;\n }, 0);\n delta.reduce(function (index, op) {\n if (typeof op.delete === 'number') {\n _this.scroll.deleteAt(index, op.delete);\n return index;\n }\n return index + (op.retain || op.insert.length || 1);\n }, 0);\n this.scroll.batchEnd();\n return this.update(delta);\n }\n }, {\n key: 'deleteText',\n value: function deleteText(index, length) {\n this.scroll.deleteAt(index, length);\n return this.update(new _quillDelta2.default().retain(index).delete(length));\n }\n }, {\n key: 'formatLine',\n value: function formatLine(index, length) {\n var _this2 = this;\n\n var formats = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};\n\n this.scroll.update();\n Object.keys(formats).forEach(function (format) {\n if (_this2.scroll.whitelist != null && !_this2.scroll.whitelist[format]) return;\n var lines = _this2.scroll.lines(index, Math.max(length, 1));\n var lengthRemaining = length;\n lines.forEach(function (line) {\n var lineLength = line.length();\n if (!(line instanceof _code2.default)) {\n line.format(format, formats[format]);\n } else {\n var codeIndex = index - line.offset(_this2.scroll);\n var codeLength = line.newlineIndex(codeIndex + lengthRemaining) - codeIndex + 1;\n line.formatAt(codeIndex, codeLength, format, formats[format]);\n }\n lengthRemaining -= lineLength;\n });\n });\n this.scroll.optimize();\n return this.update(new _quillDelta2.default().retain(index).retain(length, (0, _clone2.default)(formats)));\n }\n }, {\n key: 'formatText',\n value: function formatText(index, length) {\n var _this3 = this;\n\n var formats = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};\n\n Object.keys(formats).forEach(function (format) {\n _this3.scroll.formatAt(index, length, format, formats[format]);\n });\n return this.update(new _quillDelta2.default().retain(index).retain(length, (0, _clone2.default)(formats)));\n }\n }, {\n key: 'getContents',\n value: function getContents(index, length) {\n return this.delta.slice(index, index + length);\n }\n }, {\n key: 'getDelta',\n value: function getDelta() {\n return this.scroll.lines().reduce(function (delta, line) {\n return delta.concat(line.delta());\n }, new _quillDelta2.default());\n }\n }, {\n key: 'getFormat',\n value: function getFormat(index) {\n var length = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;\n\n var lines = [],\n leaves = [];\n if (length === 0) {\n this.scroll.path(index).forEach(function (path) {\n var _path = _slicedToArray(path, 1),\n blot = _path[0];\n\n if (blot instanceof _block2.default) {\n lines.push(blot);\n } else if (blot instanceof _parchment2.default.Leaf) {\n leaves.push(blot);\n }\n });\n } else {\n lines = this.scroll.lines(index, length);\n leaves = this.scroll.descendants(_parchment2.default.Leaf, index, length);\n }\n var formatsArr = [lines, leaves].map(function (blots) {\n if (blots.length === 0) return {};\n var formats = (0, _block.bubbleFormats)(blots.shift());\n while (Object.keys(formats).length > 0) {\n var blot = blots.shift();\n if (blot == null) return formats;\n formats = combineFormats((0, _block.bubbleFormats)(blot), formats);\n }\n return formats;\n });\n return _extend2.default.apply(_extend2.default, formatsArr);\n }\n }, {\n key: 'getText',\n value: function getText(index, length) {\n return this.getContents(index, length).filter(function (op) {\n return typeof op.insert === 'string';\n }).map(function (op) {\n return op.insert;\n }).join('');\n }\n }, {\n key: 'insertEmbed',\n value: function insertEmbed(index, embed, value) {\n this.scroll.insertAt(index, embed, value);\n return this.update(new _quillDelta2.default().retain(index).insert(_defineProperty({}, embed, value)));\n }\n }, {\n key: 'insertText',\n value: function insertText(index, text) {\n var _this4 = this;\n\n var formats = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};\n\n text = text.replace(/\\r\\n/g, '\\n').replace(/\\r/g, '\\n');\n this.scroll.insertAt(index, text);\n Object.keys(formats).forEach(function (format) {\n _this4.scroll.formatAt(index, text.length, format, formats[format]);\n });\n return this.update(new _quillDelta2.default().retain(index).insert(text, (0, _clone2.default)(formats)));\n }\n }, {\n key: 'isBlank',\n value: function isBlank() {\n if (this.scroll.children.length == 0) return true;\n if (this.scroll.children.length > 1) return false;\n var block = this.scroll.children.head;\n if (block.statics.blotName !== _block2.default.blotName) return false;\n if (block.children.length > 1) return false;\n return block.children.head instanceof _break2.default;\n }\n }, {\n key: 'removeFormat',\n value: function removeFormat(index, length) {\n var text = this.getText(index, length);\n\n var _scroll$line3 = this.scroll.line(index + length),\n _scroll$line4 = _slicedToArray(_scroll$line3, 2),\n line = _scroll$line4[0],\n offset = _scroll$line4[1];\n\n var suffixLength = 0,\n suffix = new _quillDelta2.default();\n if (line != null) {\n if (!(line instanceof _code2.default)) {\n suffixLength = line.length() - offset;\n } else {\n suffixLength = line.newlineIndex(offset) - offset + 1;\n }\n suffix = line.delta().slice(offset, offset + suffixLength - 1).insert('\\n');\n }\n var contents = this.getContents(index, length + suffixLength);\n var diff = contents.diff(new _quillDelta2.default().insert(text).concat(suffix));\n var delta = new _quillDelta2.default().retain(index).concat(diff);\n return this.applyDelta(delta);\n }\n }, {\n key: 'update',\n value: function update(change) {\n var mutations = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [];\n var cursorIndex = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : undefined;\n\n var oldDelta = this.delta;\n if (mutations.length === 1 && mutations[0].type === 'characterData' && mutations[0].target.data.match(ASCII) && _parchment2.default.find(mutations[0].target)) {\n // Optimization for character changes\n var textBlot = _parchment2.default.find(mutations[0].target);\n var formats = (0, _block.bubbleFormats)(textBlot);\n var index = textBlot.offset(this.scroll);\n var oldValue = mutations[0].oldValue.replace(_cursor2.default.CONTENTS, '');\n var oldText = new _quillDelta2.default().insert(oldValue);\n var newText = new _quillDelta2.default().insert(textBlot.value());\n var diffDelta = new _quillDelta2.default().retain(index).concat(oldText.diff(newText, cursorIndex));\n change = diffDelta.reduce(function (delta, op) {\n if (op.insert) {\n return delta.insert(op.insert, formats);\n } else {\n return delta.push(op);\n }\n }, new _quillDelta2.default());\n this.delta = oldDelta.compose(change);\n } else {\n this.delta = this.getDelta();\n if (!change || !(0, _deepEqual2.default)(oldDelta.compose(change), this.delta)) {\n change = oldDelta.diff(this.delta, cursorIndex);\n }\n }\n return change;\n }\n }]);\n\n return Editor;\n}();\n\nfunction combineFormats(formats, combined) {\n return Object.keys(combined).reduce(function (merged, name) {\n if (formats[name] == null) return merged;\n if (combined[name] === formats[name]) {\n merged[name] = combined[name];\n } else if (Array.isArray(combined[name])) {\n if (combined[name].indexOf(formats[name]) < 0) {\n merged[name] = combined[name].concat([formats[name]]);\n }\n } else {\n merged[name] = [combined[name], formats[name]];\n }\n return merged;\n }, {});\n}\n\nfunction normalizeDelta(delta) {\n return delta.reduce(function (delta, op) {\n if (op.insert === 1) {\n var attributes = (0, _clone2.default)(op.attributes);\n delete attributes['image'];\n return delta.insert({ image: op.attributes.image }, attributes);\n }\n if (op.attributes != null && (op.attributes.list === true || op.attributes.bullet === true)) {\n op = (0, _clone2.default)(op);\n if (op.attributes.list) {\n op.attributes.list = 'ordered';\n } else {\n op.attributes.list = 'bullet';\n delete op.attributes.bullet;\n }\n }\n if (typeof op.insert === 'string') {\n var text = op.insert.replace(/\\r\\n/g, '\\n').replace(/\\r/g, '\\n');\n return delta.insert(text, op.attributes);\n }\n return delta.push(op);\n }, new _quillDelta2.default());\n}\n\nexports.default = Editor;\n\n/***/ }),\n/* 15 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.default = exports.Range = undefined;\n\nvar _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 && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i[\"return\"]) _i[\"return\"](); } 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(\"Invalid attempt to destructure non-iterable instance\"); } }; }();\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nvar _parchment = __webpack_require__(0);\n\nvar _parchment2 = _interopRequireDefault(_parchment);\n\nvar _clone = __webpack_require__(21);\n\nvar _clone2 = _interopRequireDefault(_clone);\n\nvar _deepEqual = __webpack_require__(11);\n\nvar _deepEqual2 = _interopRequireDefault(_deepEqual);\n\nvar _emitter3 = __webpack_require__(8);\n\nvar _emitter4 = _interopRequireDefault(_emitter3);\n\nvar _logger = __webpack_require__(10);\n\nvar _logger2 = _interopRequireDefault(_logger);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nvar debug = (0, _logger2.default)('quill:selection');\n\nvar Range = function Range(index) {\n var length = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;\n\n _classCallCheck(this, Range);\n\n this.index = index;\n this.length = length;\n};\n\nvar Selection = function () {\n function Selection(scroll, emitter) {\n var _this = this;\n\n _classCallCheck(this, Selection);\n\n this.emitter = emitter;\n this.scroll = scroll;\n this.composing = false;\n this.mouseDown = false;\n this.root = this.scroll.domNode;\n this.cursor = _parchment2.default.create('cursor', this);\n // savedRange is last non-null range\n this.lastRange = this.savedRange = new Range(0, 0);\n this.handleComposition();\n this.handleDragging();\n this.emitter.listenDOM('selectionchange', document, function () {\n if (!_this.mouseDown) {\n setTimeout(_this.update.bind(_this, _emitter4.default.sources.USER), 1);\n }\n });\n this.emitter.on(_emitter4.default.events.EDITOR_CHANGE, function (type, delta) {\n if (type === _emitter4.default.events.TEXT_CHANGE && delta.length() > 0) {\n _this.update(_emitter4.default.sources.SILENT);\n }\n });\n this.emitter.on(_emitter4.default.events.SCROLL_BEFORE_UPDATE, function () {\n if (!_this.hasFocus()) return;\n var native = _this.getNativeRange();\n if (native == null) return;\n if (native.start.node === _this.cursor.textNode) return; // cursor.restore() will handle\n // TODO unclear if this has negative side effects\n _this.emitter.once(_emitter4.default.events.SCROLL_UPDATE, function () {\n try {\n _this.setNativeRange(native.start.node, native.start.offset, native.end.node, native.end.offset);\n } catch (ignored) {}\n });\n });\n this.emitter.on(_emitter4.default.events.SCROLL_OPTIMIZE, function (mutations, context) {\n if (context.range) {\n var _context$range = context.range,\n startNode = _context$range.startNode,\n startOffset = _context$range.startOffset,\n endNode = _context$range.endNode,\n endOffset = _context$range.endOffset;\n\n _this.setNativeRange(startNode, startOffset, endNode, endOffset);\n }\n });\n this.update(_emitter4.default.sources.SILENT);\n }\n\n _createClass(Selection, [{\n key: 'handleComposition',\n value: function handleComposition() {\n var _this2 = this;\n\n this.root.addEventListener('compositionstart', function () {\n _this2.composing = true;\n });\n this.root.addEventListener('compositionend', function () {\n _this2.composing = false;\n if (_this2.cursor.parent) {\n var range = _this2.cursor.restore();\n if (!range) return;\n setTimeout(function () {\n _this2.setNativeRange(range.startNode, range.startOffset, range.endNode, range.endOffset);\n }, 1);\n }\n });\n }\n }, {\n key: 'handleDragging',\n value: function handleDragging() {\n var _this3 = this;\n\n this.emitter.listenDOM('mousedown', document.body, function () {\n _this3.mouseDown = true;\n });\n this.emitter.listenDOM('mouseup', document.body, function () {\n _this3.mouseDown = false;\n _this3.update(_emitter4.default.sources.USER);\n });\n }\n }, {\n key: 'focus',\n value: function focus() {\n if (this.hasFocus()) return;\n this.root.focus();\n this.setRange(this.savedRange);\n }\n }, {\n key: 'format',\n value: function format(_format, value) {\n if (this.scroll.whitelist != null && !this.scroll.whitelist[_format]) return;\n this.scroll.update();\n var nativeRange = this.getNativeRange();\n if (nativeRange == null || !nativeRange.native.collapsed || _parchment2.default.query(_format, _parchment2.default.Scope.BLOCK)) return;\n if (nativeRange.start.node !== this.cursor.textNode) {\n var blot = _parchment2.default.find(nativeRange.start.node, false);\n if (blot == null) return;\n // TODO Give blot ability to not split\n if (blot instanceof _parchment2.default.Leaf) {\n var after = blot.split(nativeRange.start.offset);\n blot.parent.insertBefore(this.cursor, after);\n } else {\n blot.insertBefore(this.cursor, nativeRange.start.node); // Should never happen\n }\n this.cursor.attach();\n }\n this.cursor.format(_format, value);\n this.scroll.optimize();\n this.setNativeRange(this.cursor.textNode, this.cursor.textNode.data.length);\n this.update();\n }\n }, {\n key: 'getBounds',\n value: function getBounds(index) {\n var length = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;\n\n var scrollLength = this.scroll.length();\n index = Math.min(index, scrollLength - 1);\n length = Math.min(index + length, scrollLength - 1) - index;\n var node = void 0,\n _scroll$leaf = this.scroll.leaf(index),\n _scroll$leaf2 = _slicedToArray(_scroll$leaf, 2),\n leaf = _scroll$leaf2[0],\n offset = _scroll$leaf2[1];\n if (leaf == null) return null;\n\n var _leaf$position = leaf.position(offset, true);\n\n var _leaf$position2 = _slicedToArray(_leaf$position, 2);\n\n node = _leaf$position2[0];\n offset = _leaf$position2[1];\n\n var range = document.createRange();\n if (length > 0) {\n range.setStart(node, offset);\n\n var _scroll$leaf3 = this.scroll.leaf(index + length);\n\n var _scroll$leaf4 = _slicedToArray(_scroll$leaf3, 2);\n\n leaf = _scroll$leaf4[0];\n offset = _scroll$leaf4[1];\n\n if (leaf == null) return null;\n\n var _leaf$position3 = leaf.position(offset, true);\n\n var _leaf$position4 = _slicedToArray(_leaf$position3, 2);\n\n node = _leaf$position4[0];\n offset = _leaf$position4[1];\n\n range.setEnd(node, offset);\n return range.getBoundingClientRect();\n } else {\n var side = 'left';\n var rect = void 0;\n if (node instanceof Text) {\n if (offset < node.data.length) {\n range.setStart(node, offset);\n range.setEnd(node, offset + 1);\n } else {\n range.setStart(node, offset - 1);\n range.setEnd(node, offset);\n side = 'right';\n }\n rect = range.getBoundingClientRect();\n } else {\n rect = leaf.domNode.getBoundingClientRect();\n if (offset > 0) side = 'right';\n }\n return {\n bottom: rect.top + rect.height,\n height: rect.height,\n left: rect[side],\n right: rect[side],\n top: rect.top,\n width: 0\n };\n }\n }\n }, {\n key: 'getNativeRange',\n value: function getNativeRange() {\n var selection = document.getSelection();\n if (selection == null || selection.rangeCount <= 0) return null;\n var nativeRange = selection.getRangeAt(0);\n if (nativeRange == null) return null;\n var range = this.normalizeNative(nativeRange);\n debug.info('getNativeRange', range);\n return range;\n }\n }, {\n key: 'getRange',\n value: function getRange() {\n var normalized = this.getNativeRange();\n if (normalized == null) return [null, null];\n var range = this.normalizedToRange(normalized);\n return [range, normalized];\n }\n }, {\n key: 'hasFocus',\n value: function hasFocus() {\n return document.activeElement === this.root;\n }\n }, {\n key: 'normalizedToRange',\n value: function normalizedToRange(range) {\n var _this4 = this;\n\n var positions = [[range.start.node, range.start.offset]];\n if (!range.native.collapsed) {\n positions.push([range.end.node, range.end.offset]);\n }\n var indexes = positions.map(function (position) {\n var _position = _slicedToArray(position, 2),\n node = _position[0],\n offset = _position[1];\n\n var blot = _parchment2.default.find(node, true);\n var index = blot.offset(_this4.scroll);\n if (offset === 0) {\n return index;\n } else if (blot instanceof _parchment2.default.Container) {\n return index + blot.length();\n } else {\n return index + blot.index(node, offset);\n }\n });\n var end = Math.min(Math.max.apply(Math, _toConsumableArray(indexes)), this.scroll.length() - 1);\n var start = Math.min.apply(Math, [end].concat(_toConsumableArray(indexes)));\n return new Range(start, end - start);\n }\n }, {\n key: 'normalizeNative',\n value: function normalizeNative(nativeRange) {\n if (!contains(this.root, nativeRange.startContainer) || !nativeRange.collapsed && !contains(this.root, nativeRange.endContainer)) {\n return null;\n }\n var range = {\n start: { node: nativeRange.startContainer, offset: nativeRange.startOffset },\n end: { node: nativeRange.endContainer, offset: nativeRange.endOffset },\n native: nativeRange\n };\n [range.start, range.end].forEach(function (position) {\n var node = position.node,\n offset = position.offset;\n while (!(node instanceof Text) && node.childNodes.length > 0) {\n if (node.childNodes.length > offset) {\n node = node.childNodes[offset];\n offset = 0;\n } else if (node.childNodes.length === offset) {\n node = node.lastChild;\n offset = node instanceof Text ? node.data.length : node.childNodes.length + 1;\n } else {\n break;\n }\n }\n position.node = node, position.offset = offset;\n });\n return range;\n }\n }, {\n key: 'rangeToNative',\n value: function rangeToNative(range) {\n var _this5 = this;\n\n var indexes = range.collapsed ? [range.index] : [range.index, range.index + range.length];\n var args = [];\n var scrollLength = this.scroll.length();\n indexes.forEach(function (index, i) {\n index = Math.min(scrollLength - 1, index);\n var node = void 0,\n _scroll$leaf5 = _this5.scroll.leaf(index),\n _scroll$leaf6 = _slicedToArray(_scroll$leaf5, 2),\n leaf = _scroll$leaf6[0],\n offset = _scroll$leaf6[1];\n var _leaf$position5 = leaf.position(offset, i !== 0);\n\n var _leaf$position6 = _slicedToArray(_leaf$position5, 2);\n\n node = _leaf$position6[0];\n offset = _leaf$position6[1];\n\n args.push(node, offset);\n });\n if (args.length < 2) {\n args = args.concat(args);\n }\n return args;\n }\n }, {\n key: 'scrollIntoView',\n value: function scrollIntoView(scrollingContainer) {\n var range = this.lastRange;\n if (range == null) return;\n var bounds = this.getBounds(range.index, range.length);\n if (bounds == null) return;\n var limit = this.scroll.length() - 1;\n\n var _scroll$line = this.scroll.line(Math.min(range.index, limit)),\n _scroll$line2 = _slicedToArray(_scroll$line, 1),\n first = _scroll$line2[0];\n\n var last = first;\n if (range.length > 0) {\n var _scroll$line3 = this.scroll.line(Math.min(range.index + range.length, limit));\n\n var _scroll$line4 = _slicedToArray(_scroll$line3, 1);\n\n last = _scroll$line4[0];\n }\n if (first == null || last == null) return;\n var scrollBounds = scrollingContainer.getBoundingClientRect();\n if (bounds.top < scrollBounds.top) {\n scrollingContainer.scrollTop -= scrollBounds.top - bounds.top;\n } else if (bounds.bottom > scrollBounds.bottom) {\n scrollingContainer.scrollTop += bounds.bottom - scrollBounds.bottom;\n }\n }\n }, {\n key: 'setNativeRange',\n value: function setNativeRange(startNode, startOffset) {\n var endNode = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : startNode;\n var endOffset = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : startOffset;\n var force = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : false;\n\n debug.info('setNativeRange', startNode, startOffset, endNode, endOffset);\n if (startNode != null && (this.root.parentNode == null || startNode.parentNode == null || endNode.parentNode == null)) {\n return;\n }\n var selection = document.getSelection();\n if (selection == null) return;\n if (startNode != null) {\n if (!this.hasFocus()) this.root.focus();\n var native = (this.getNativeRange() || {}).native;\n if (native == null || force || startNode !== native.startContainer || startOffset !== native.startOffset || endNode !== native.endContainer || endOffset !== native.endOffset) {\n\n if (startNode.tagName == \"BR\") {\n startOffset = [].indexOf.call(startNode.parentNode.childNodes, startNode);\n startNode = startNode.parentNode;\n }\n if (endNode.tagName == \"BR\") {\n endOffset = [].indexOf.call(endNode.parentNode.childNodes, endNode);\n endNode = endNode.parentNode;\n }\n var range = document.createRange();\n range.setStart(startNode, startOffset);\n range.setEnd(endNode, endOffset);\n selection.removeAllRanges();\n selection.addRange(range);\n }\n } else {\n selection.removeAllRanges();\n this.root.blur();\n document.body.focus(); // root.blur() not enough on IE11+Travis+SauceLabs (but not local VMs)\n }\n }\n }, {\n key: 'setRange',\n value: function setRange(range) {\n var force = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;\n var source = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : _emitter4.default.sources.API;\n\n if (typeof force === 'string') {\n source = force;\n force = false;\n }\n debug.info('setRange', range);\n if (range != null) {\n var args = this.rangeToNative(range);\n this.setNativeRange.apply(this, _toConsumableArray(args).concat([force]));\n } else {\n this.setNativeRange(null);\n }\n this.update(source);\n }\n }, {\n key: 'update',\n value: function update() {\n var source = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : _emitter4.default.sources.USER;\n\n var oldRange = this.lastRange;\n\n var _getRange = this.getRange(),\n _getRange2 = _slicedToArray(_getRange, 2),\n lastRange = _getRange2[0],\n nativeRange = _getRange2[1];\n\n this.lastRange = lastRange;\n if (this.lastRange != null) {\n this.savedRange = this.lastRange;\n }\n if (!(0, _deepEqual2.default)(oldRange, this.lastRange)) {\n var _emitter;\n\n if (!this.composing && nativeRange != null && nativeRange.native.collapsed && nativeRange.start.node !== this.cursor.textNode) {\n this.cursor.restore();\n }\n var args = [_emitter4.default.events.SELECTION_CHANGE, (0, _clone2.default)(this.lastRange), (0, _clone2.default)(oldRange), source];\n (_emitter = this.emitter).emit.apply(_emitter, [_emitter4.default.events.EDITOR_CHANGE].concat(args));\n if (source !== _emitter4.default.sources.SILENT) {\n var _emitter2;\n\n (_emitter2 = this.emitter).emit.apply(_emitter2, args);\n }\n }\n }\n }]);\n\n return Selection;\n}();\n\nfunction contains(parent, descendant) {\n try {\n // Firefox inserts inaccessible nodes around video elements\n descendant.parentNode;\n } catch (e) {\n return false;\n }\n // IE11 has bug with Text nodes\n // https://connect.microsoft.com/IE/feedback/details/780874/node-contains-is-incorrect\n if (descendant instanceof Text) {\n descendant = descendant.parentNode;\n }\n return parent.contains(descendant);\n}\n\nexports.Range = Range;\nexports.default = Selection;\n\n/***/ }),\n/* 16 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nvar _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 (\"value\" in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } };\n\nvar _parchment = __webpack_require__(0);\n\nvar _parchment2 = _interopRequireDefault(_parchment);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }\n\nvar Break = function (_Parchment$Embed) {\n _inherits(Break, _Parchment$Embed);\n\n function Break() {\n _classCallCheck(this, Break);\n\n return _possibleConstructorReturn(this, (Break.__proto__ || Object.getPrototypeOf(Break)).apply(this, arguments));\n }\n\n _createClass(Break, [{\n key: 'insertInto',\n value: function insertInto(parent, ref) {\n if (parent.children.length === 0) {\n _get(Break.prototype.__proto__ || Object.getPrototypeOf(Break.prototype), 'insertInto', this).call(this, parent, ref);\n } else {\n this.remove();\n }\n }\n }, {\n key: 'length',\n value: function length() {\n return 0;\n }\n }, {\n key: 'value',\n value: function value() {\n return '';\n }\n }], [{\n key: 'value',\n value: function value() {\n return undefined;\n }\n }]);\n\n return Break;\n}(_parchment2.default.Embed);\n\nBreak.blotName = 'break';\nBreak.tagName = 'BR';\n\nexports.default = Break;\n\n/***/ }),\n/* 17 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\nvar __extends = (this && this.__extends) || (function () {\n var extendStatics = Object.setPrototypeOf ||\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\n function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };\n return function (d, b) {\n extendStatics(d, b);\n function __() { this.constructor = d; }\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\n };\n})();\nObject.defineProperty(exports, \"__esModule\", { value: true });\nvar linked_list_1 = __webpack_require__(44);\nvar shadow_1 = __webpack_require__(30);\nvar Registry = __webpack_require__(1);\nvar ContainerBlot = /** @class */ (function (_super) {\n __extends(ContainerBlot, _super);\n function ContainerBlot(domNode) {\n var _this = _super.call(this, domNode) || this;\n _this.build();\n return _this;\n }\n ContainerBlot.prototype.appendChild = function (other) {\n this.insertBefore(other);\n };\n ContainerBlot.prototype.attach = function () {\n _super.prototype.attach.call(this);\n this.children.forEach(function (child) {\n child.attach();\n });\n };\n ContainerBlot.prototype.build = function () {\n var _this = this;\n this.children = new linked_list_1.default();\n // Need to be reversed for if DOM nodes already in order\n [].slice\n .call(this.domNode.childNodes)\n .reverse()\n .forEach(function (node) {\n try {\n var child = makeBlot(node);\n _this.insertBefore(child, _this.children.head || undefined);\n }\n catch (err) {\n if (err instanceof Registry.ParchmentError)\n return;\n else\n throw err;\n }\n });\n };\n ContainerBlot.prototype.deleteAt = function (index, length) {\n if (index === 0 && length === this.length()) {\n return this.remove();\n }\n this.children.forEachAt(index, length, function (child, offset, length) {\n child.deleteAt(offset, length);\n });\n };\n ContainerBlot.prototype.descendant = function (criteria, index) {\n var _a = this.children.find(index), child = _a[0], offset = _a[1];\n if ((criteria.blotName == null && criteria(child)) ||\n (criteria.blotName != null && child instanceof criteria)) {\n return [child, offset];\n }\n else if (child instanceof ContainerBlot) {\n return child.descendant(criteria, offset);\n }\n else {\n return [null, -1];\n }\n };\n ContainerBlot.prototype.descendants = function (criteria, index, length) {\n if (index === void 0) { index = 0; }\n if (length === void 0) { length = Number.MAX_VALUE; }\n var descendants = [];\n var lengthLeft = length;\n this.children.forEachAt(index, length, function (child, index, length) {\n if ((criteria.blotName == null && criteria(child)) ||\n (criteria.blotName != null && child instanceof criteria)) {\n descendants.push(child);\n }\n if (child instanceof ContainerBlot) {\n descendants = descendants.concat(child.descendants(criteria, index, lengthLeft));\n }\n lengthLeft -= length;\n });\n return descendants;\n };\n ContainerBlot.prototype.detach = function () {\n this.children.forEach(function (child) {\n child.detach();\n });\n _super.prototype.detach.call(this);\n };\n ContainerBlot.prototype.formatAt = function (index, length, name, value) {\n this.children.forEachAt(index, length, function (child, offset, length) {\n child.formatAt(offset, length, name, value);\n });\n };\n ContainerBlot.prototype.insertAt = function (index, value, def) {\n var _a = this.children.find(index), child = _a[0], offset = _a[1];\n if (child) {\n child.insertAt(offset, value, def);\n }\n else {\n var blot = def == null ? Registry.create('text', value) : Registry.create(value, def);\n this.appendChild(blot);\n }\n };\n ContainerBlot.prototype.insertBefore = function (childBlot, refBlot) {\n if (this.statics.allowedChildren != null &&\n !this.statics.allowedChildren.some(function (child) {\n return childBlot instanceof child;\n })) {\n throw new Registry.ParchmentError(\"Cannot insert \" + childBlot.statics.blotName + \" into \" + this.statics.blotName);\n }\n childBlot.insertInto(this, refBlot);\n };\n ContainerBlot.prototype.length = function () {\n return this.children.reduce(function (memo, child) {\n return memo + child.length();\n }, 0);\n };\n ContainerBlot.prototype.moveChildren = function (targetParent, refNode) {\n this.children.forEach(function (child) {\n targetParent.insertBefore(child, refNode);\n });\n };\n ContainerBlot.prototype.optimize = function (context) {\n _super.prototype.optimize.call(this, context);\n if (this.children.length === 0) {\n if (this.statics.defaultChild != null) {\n var child = Registry.create(this.statics.defaultChild);\n this.appendChild(child);\n child.optimize(context);\n }\n else {\n this.remove();\n }\n }\n };\n ContainerBlot.prototype.path = function (index, inclusive) {\n if (inclusive === void 0) { inclusive = false; }\n var _a = this.children.find(index, inclusive), child = _a[0], offset = _a[1];\n var position = [[this, index]];\n if (child instanceof ContainerBlot) {\n return position.concat(child.path(offset, inclusive));\n }\n else if (child != null) {\n position.push([child, offset]);\n }\n return position;\n };\n ContainerBlot.prototype.removeChild = function (child) {\n this.children.remove(child);\n };\n ContainerBlot.prototype.replace = function (target) {\n if (target instanceof ContainerBlot) {\n target.moveChildren(this);\n }\n _super.prototype.replace.call(this, target);\n };\n ContainerBlot.prototype.split = function (index, force) {\n if (force === void 0) { force = false; }\n if (!force) {\n if (index === 0)\n return this;\n if (index === this.length())\n return this.next;\n }\n var after = this.clone();\n this.parent.insertBefore(after, this.next);\n this.children.forEachAt(index, this.length(), function (child, offset, length) {\n child = child.split(offset, force);\n after.appendChild(child);\n });\n return after;\n };\n ContainerBlot.prototype.unwrap = function () {\n this.moveChildren(this.parent, this.next);\n this.remove();\n };\n ContainerBlot.prototype.update = function (mutations, context) {\n var _this = this;\n var addedNodes = [];\n var removedNodes = [];\n mutations.forEach(function (mutation) {\n if (mutation.target === _this.domNode && mutation.type === 'childList') {\n addedNodes.push.apply(addedNodes, mutation.addedNodes);\n removedNodes.push.apply(removedNodes, mutation.removedNodes);\n }\n });\n removedNodes.forEach(function (node) {\n // Check node has actually been removed\n // One exception is Chrome does not immediately remove IFRAMEs\n // from DOM but MutationRecord is correct in its reported removal\n if (node.parentNode != null &&\n // @ts-ignore\n node.tagName !== 'IFRAME' &&\n document.body.compareDocumentPosition(node) & Node.DOCUMENT_POSITION_CONTAINED_BY) {\n return;\n }\n var blot = Registry.find(node);\n if (blot == null)\n return;\n if (blot.domNode.parentNode == null || blot.domNode.parentNode === _this.domNode) {\n blot.detach();\n }\n });\n addedNodes\n .filter(function (node) {\n return node.parentNode == _this.domNode;\n })\n .sort(function (a, b) {\n if (a === b)\n return 0;\n if (a.compareDocumentPosition(b) & Node.DOCUMENT_POSITION_FOLLOWING) {\n return 1;\n }\n return -1;\n })\n .forEach(function (node) {\n var refBlot = null;\n if (node.nextSibling != null) {\n refBlot = Registry.find(node.nextSibling);\n }\n var blot = makeBlot(node);\n if (blot.next != refBlot || blot.next == null) {\n if (blot.parent != null) {\n blot.parent.removeChild(_this);\n }\n _this.insertBefore(blot, refBlot || undefined);\n }\n });\n };\n return ContainerBlot;\n}(shadow_1.default));\nfunction makeBlot(node) {\n var blot = Registry.find(node);\n if (blot == null) {\n try {\n blot = Registry.create(node);\n }\n catch (e) {\n blot = Registry.create(Registry.Scope.INLINE);\n [].slice.call(node.childNodes).forEach(function (child) {\n // @ts-ignore\n blot.domNode.appendChild(child);\n });\n if (node.parentNode) {\n node.parentNode.replaceChild(blot.domNode, node);\n }\n blot.attach();\n }\n }\n return blot;\n}\nexports.default = ContainerBlot;\n\n\n/***/ }),\n/* 18 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\nvar __extends = (this && this.__extends) || (function () {\n var extendStatics = Object.setPrototypeOf ||\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\n function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };\n return function (d, b) {\n extendStatics(d, b);\n function __() { this.constructor = d; }\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\n };\n})();\nObject.defineProperty(exports, \"__esModule\", { value: true });\nvar attributor_1 = __webpack_require__(12);\nvar store_1 = __webpack_require__(31);\nvar container_1 = __webpack_require__(17);\nvar Registry = __webpack_require__(1);\nvar FormatBlot = /** @class */ (function (_super) {\n __extends(FormatBlot, _super);\n function FormatBlot(domNode) {\n var _this = _super.call(this, domNode) || this;\n _this.attributes = new store_1.default(_this.domNode);\n return _this;\n }\n FormatBlot.formats = function (domNode) {\n if (typeof this.tagName === 'string') {\n return true;\n }\n else if (Array.isArray(this.tagName)) {\n return domNode.tagName.toLowerCase();\n }\n return undefined;\n };\n FormatBlot.prototype.format = function (name, value) {\n var format = Registry.query(name);\n if (format instanceof attributor_1.default) {\n this.attributes.attribute(format, value);\n }\n else if (value) {\n if (format != null && (name !== this.statics.blotName || this.formats()[name] !== value)) {\n this.replaceWith(name, value);\n }\n }\n };\n FormatBlot.prototype.formats = function () {\n var formats = this.attributes.values();\n var format = this.statics.formats(this.domNode);\n if (format != null) {\n formats[this.statics.blotName] = format;\n }\n return formats;\n };\n FormatBlot.prototype.replaceWith = function (name, value) {\n var replacement = _super.prototype.replaceWith.call(this, name, value);\n this.attributes.copy(replacement);\n return replacement;\n };\n FormatBlot.prototype.update = function (mutations, context) {\n var _this = this;\n _super.prototype.update.call(this, mutations, context);\n if (mutations.some(function (mutation) {\n return mutation.target === _this.domNode && mutation.type === 'attributes';\n })) {\n this.attributes.build();\n }\n };\n FormatBlot.prototype.wrap = function (name, value) {\n var wrapper = _super.prototype.wrap.call(this, name, value);\n if (wrapper instanceof FormatBlot && wrapper.statics.scope === this.statics.scope) {\n this.attributes.move(wrapper);\n }\n return wrapper;\n };\n return FormatBlot;\n}(container_1.default));\nexports.default = FormatBlot;\n\n\n/***/ }),\n/* 19 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\nvar __extends = (this && this.__extends) || (function () {\n var extendStatics = Object.setPrototypeOf ||\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\n function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };\n return function (d, b) {\n extendStatics(d, b);\n function __() { this.constructor = d; }\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\n };\n})();\nObject.defineProperty(exports, \"__esModule\", { value: true });\nvar shadow_1 = __webpack_require__(30);\nvar Registry = __webpack_require__(1);\nvar LeafBlot = /** @class */ (function (_super) {\n __extends(LeafBlot, _super);\n function LeafBlot() {\n return _super !== null && _super.apply(this, arguments) || this;\n }\n LeafBlot.value = function (domNode) {\n return true;\n };\n LeafBlot.prototype.index = function (node, offset) {\n if (this.domNode === node ||\n this.domNode.compareDocumentPosition(node) & Node.DOCUMENT_POSITION_CONTAINED_BY) {\n return Math.min(offset, 1);\n }\n return -1;\n };\n LeafBlot.prototype.position = function (index, inclusive) {\n var offset = [].indexOf.call(this.parent.domNode.childNodes, this.domNode);\n if (index > 0)\n offset += 1;\n return [this.parent.domNode, offset];\n };\n LeafBlot.prototype.value = function () {\n var _a;\n return _a = {}, _a[this.statics.blotName] = this.statics.value(this.domNode) || true, _a;\n };\n LeafBlot.scope = Registry.Scope.INLINE_BLOT;\n return LeafBlot;\n}(shadow_1.default));\nexports.default = LeafBlot;\n\n\n/***/ }),\n/* 20 */\n/***/ (function(module, exports, __webpack_require__) {\n\nvar equal = __webpack_require__(11);\nvar extend = __webpack_require__(3);\n\n\nvar lib = {\n attributes: {\n compose: function (a, b, keepNull) {\n if (typeof a !== 'object') a = {};\n if (typeof b !== 'object') b = {};\n var attributes = extend(true, {}, b);\n if (!keepNull) {\n attributes = Object.keys(attributes).reduce(function (copy, key) {\n if (attributes[key] != null) {\n copy[key] = attributes[key];\n }\n return copy;\n }, {});\n }\n for (var key in a) {\n if (a[key] !== undefined && b[key] === undefined) {\n attributes[key] = a[key];\n }\n }\n return Object.keys(attributes).length > 0 ? attributes : undefined;\n },\n\n diff: function(a, b) {\n if (typeof a !== 'object') a = {};\n if (typeof b !== 'object') b = {};\n var attributes = Object.keys(a).concat(Object.keys(b)).reduce(function (attributes, key) {\n if (!equal(a[key], b[key])) {\n attributes[key] = b[key] === undefined ? null : b[key];\n }\n return attributes;\n }, {});\n return Object.keys(attributes).length > 0 ? attributes : undefined;\n },\n\n transform: function (a, b, priority) {\n if (typeof a !== 'object') return b;\n if (typeof b !== 'object') return undefined;\n if (!priority) return b; // b simply overwrites us without priority\n var attributes = Object.keys(b).reduce(function (attributes, key) {\n if (a[key] === undefined) attributes[key] = b[key]; // null is a valid value\n return attributes;\n }, {});\n return Object.keys(attributes).length > 0 ? attributes : undefined;\n }\n },\n\n iterator: function (ops) {\n return new Iterator(ops);\n },\n\n length: function (op) {\n if (typeof op['delete'] === 'number') {\n return op['delete'];\n } else if (typeof op.retain === 'number') {\n return op.retain;\n } else {\n return typeof op.insert === 'string' ? op.insert.length : 1;\n }\n }\n};\n\n\nfunction Iterator(ops) {\n this.ops = ops;\n this.index = 0;\n this.offset = 0;\n};\n\nIterator.prototype.hasNext = function () {\n return this.peekLength() < Infinity;\n};\n\nIterator.prototype.next = function (length) {\n if (!length) length = Infinity;\n var nextOp = this.ops[this.index];\n if (nextOp) {\n var offset = this.offset;\n var opLength = lib.length(nextOp)\n if (length >= opLength - offset) {\n length = opLength - offset;\n this.index += 1;\n this.offset = 0;\n } else {\n this.offset += length;\n }\n if (typeof nextOp['delete'] === 'number') {\n return { 'delete': length };\n } else {\n var retOp = {};\n if (nextOp.attributes) {\n retOp.attributes = nextOp.attributes;\n }\n if (typeof nextOp.retain === 'number') {\n retOp.retain = length;\n } else if (typeof nextOp.insert === 'string') {\n retOp.insert = nextOp.insert.substr(offset, length);\n } else {\n // offset should === 0, length should === 1\n retOp.insert = nextOp.insert;\n }\n return retOp;\n }\n } else {\n return { retain: Infinity };\n }\n};\n\nIterator.prototype.peek = function () {\n return this.ops[this.index];\n};\n\nIterator.prototype.peekLength = function () {\n if (this.ops[this.index]) {\n // Should never return 0 if our index is being managed correctly\n return lib.length(this.ops[this.index]) - this.offset;\n } else {\n return Infinity;\n }\n};\n\nIterator.prototype.peekType = function () {\n if (this.ops[this.index]) {\n if (typeof this.ops[this.index]['delete'] === 'number') {\n return 'delete';\n } else if (typeof this.ops[this.index].retain === 'number') {\n return 'retain';\n } else {\n return 'insert';\n }\n }\n return 'retain';\n};\n\nIterator.prototype.rest = function () {\n if (!this.hasNext()) {\n return [];\n } else if (this.offset === 0) {\n return this.ops.slice(this.index);\n } else {\n var offset = this.offset;\n var index = this.index;\n var next = this.next();\n var rest = this.ops.slice(this.index);\n this.offset = offset;\n this.index = index;\n return [next].concat(rest);\n }\n};\n\n\nmodule.exports = lib;\n\n\n/***/ }),\n/* 21 */\n/***/ (function(module, exports) {\n\nvar clone = (function() {\n'use strict';\n\nfunction _instanceof(obj, type) {\n return type != null && obj instanceof type;\n}\n\nvar nativeMap;\ntry {\n nativeMap = Map;\n} catch(_) {\n // maybe a reference error because no `Map`. Give it a dummy value that no\n // value will ever be an instanceof.\n nativeMap = function() {};\n}\n\nvar nativeSet;\ntry {\n nativeSet = Set;\n} catch(_) {\n nativeSet = function() {};\n}\n\nvar nativePromise;\ntry {\n nativePromise = Promise;\n} catch(_) {\n nativePromise = function() {};\n}\n\n/**\n * Clones (copies) an Object using deep copying.\n *\n * This function supports circular references by default, but if you are certain\n * there are no circular references in your object, you can save some CPU time\n * by calling clone(obj, false).\n *\n * Caution: if `circular` is false and `parent` contains circular references,\n * your program may enter an infinite loop and crash.\n *\n * @param `parent` - the object to be cloned\n * @param `circular` - set to true if the object to be cloned may contain\n * circular references. (optional - true by default)\n * @param `depth` - set to a number if the object is only to be cloned to\n * a particular depth. (optional - defaults to Infinity)\n * @param `prototype` - sets the prototype to be used when cloning an object.\n * (optional - defaults to parent prototype).\n * @param `includeNonEnumerable` - set to true if the non-enumerable properties\n * should be cloned as well. Non-enumerable properties on the prototype\n * chain will be ignored. (optional - false by default)\n*/\nfunction clone(parent, circular, depth, prototype, includeNonEnumerable) {\n if (typeof circular === 'object') {\n depth = circular.depth;\n prototype = circular.prototype;\n includeNonEnumerable = circular.includeNonEnumerable;\n circular = circular.circular;\n }\n // maintain two arrays for circular references, where corresponding parents\n // and children have the same index\n var allParents = [];\n var allChildren = [];\n\n var useBuffer = typeof Buffer != 'undefined';\n\n if (typeof circular == 'undefined')\n circular = true;\n\n if (typeof depth == 'undefined')\n depth = Infinity;\n\n // recurse this function so we don't reset allParents and allChildren\n function _clone(parent, depth) {\n // cloning null always returns null\n if (parent === null)\n return null;\n\n if (depth === 0)\n return parent;\n\n var child;\n var proto;\n if (typeof parent != 'object') {\n return parent;\n }\n\n if (_instanceof(parent, nativeMap)) {\n child = new nativeMap();\n } else if (_instanceof(parent, nativeSet)) {\n child = new nativeSet();\n } else if (_instanceof(parent, nativePromise)) {\n child = new nativePromise(function (resolve, reject) {\n parent.then(function(value) {\n resolve(_clone(value, depth - 1));\n }, function(err) {\n reject(_clone(err, depth - 1));\n });\n });\n } else if (clone.__isArray(parent)) {\n child = [];\n } else if (clone.__isRegExp(parent)) {\n child = new RegExp(parent.source, __getRegExpFlags(parent));\n if (parent.lastIndex) child.lastIndex = parent.lastIndex;\n } else if (clone.__isDate(parent)) {\n child = new Date(parent.getTime());\n } else if (useBuffer && Buffer.isBuffer(parent)) {\n if (Buffer.allocUnsafe) {\n // Node.js >= 4.5.0\n child = Buffer.allocUnsafe(parent.length);\n } else {\n // Older Node.js versions\n child = new Buffer(parent.length);\n }\n parent.copy(child);\n return child;\n } else if (_instanceof(parent, Error)) {\n child = Object.create(parent);\n } else {\n if (typeof prototype == 'undefined') {\n proto = Object.getPrototypeOf(parent);\n child = Object.create(proto);\n }\n else {\n child = Object.create(prototype);\n proto = prototype;\n }\n }\n\n if (circular) {\n var index = allParents.indexOf(parent);\n\n if (index != -1) {\n return allChildren[index];\n }\n allParents.push(parent);\n allChildren.push(child);\n }\n\n if (_instanceof(parent, nativeMap)) {\n parent.forEach(function(value, key) {\n var keyChild = _clone(key, depth - 1);\n var valueChild = _clone(value, depth - 1);\n child.set(keyChild, valueChild);\n });\n }\n if (_instanceof(parent, nativeSet)) {\n parent.forEach(function(value) {\n var entryChild = _clone(value, depth - 1);\n child.add(entryChild);\n });\n }\n\n for (var i in parent) {\n var attrs;\n if (proto) {\n attrs = Object.getOwnPropertyDescriptor(proto, i);\n }\n\n if (attrs && attrs.set == null) {\n continue;\n }\n child[i] = _clone(parent[i], depth - 1);\n }\n\n if (Object.getOwnPropertySymbols) {\n var symbols = Object.getOwnPropertySymbols(parent);\n for (var i = 0; i < symbols.length; i++) {\n // Don't need to worry about cloning a symbol because it is a primitive,\n // like a number or string.\n var symbol = symbols[i];\n var descriptor = Object.getOwnPropertyDescriptor(parent, symbol);\n if (descriptor && !descriptor.enumerable && !includeNonEnumerable) {\n continue;\n }\n child[symbol] = _clone(parent[symbol], depth - 1);\n if (!descriptor.enumerable) {\n Object.defineProperty(child, symbol, {\n enumerable: false\n });\n }\n }\n }\n\n if (includeNonEnumerable) {\n var allPropertyNames = Object.getOwnPropertyNames(parent);\n for (var i = 0; i < allPropertyNames.length; i++) {\n var propertyName = allPropertyNames[i];\n var descriptor = Object.getOwnPropertyDescriptor(parent, propertyName);\n if (descriptor && descriptor.enumerable) {\n continue;\n }\n child[propertyName] = _clone(parent[propertyName], depth - 1);\n Object.defineProperty(child, propertyName, {\n enumerable: false\n });\n }\n }\n\n return child;\n }\n\n return _clone(parent, depth);\n}\n\n/**\n * Simple flat clone using prototype, accepts only objects, usefull for property\n * override on FLAT configuration object (no nested props).\n *\n * USE WITH CAUTION! This may not behave as you wish if you do not know how this\n * works.\n */\nclone.clonePrototype = function clonePrototype(parent) {\n if (parent === null)\n return null;\n\n var c = function () {};\n c.prototype = parent;\n return new c();\n};\n\n// private utility functions\n\nfunction __objToStr(o) {\n return Object.prototype.toString.call(o);\n}\nclone.__objToStr = __objToStr;\n\nfunction __isDate(o) {\n return typeof o === 'object' && __objToStr(o) === '[object Date]';\n}\nclone.__isDate = __isDate;\n\nfunction __isArray(o) {\n return typeof o === 'object' && __objToStr(o) === '[object Array]';\n}\nclone.__isArray = __isArray;\n\nfunction __isRegExp(o) {\n return typeof o === 'object' && __objToStr(o) === '[object RegExp]';\n}\nclone.__isRegExp = __isRegExp;\n\nfunction __getRegExpFlags(re) {\n var flags = '';\n if (re.global) flags += 'g';\n if (re.ignoreCase) flags += 'i';\n if (re.multiline) flags += 'm';\n return flags;\n}\nclone.__getRegExpFlags = __getRegExpFlags;\n\nreturn clone;\n})();\n\nif (typeof module === 'object' && module.exports) {\n module.exports = clone;\n}\n\n\n/***/ }),\n/* 22 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _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 && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i[\"return\"]) _i[\"return\"](); } 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(\"Invalid attempt to destructure non-iterable instance\"); } }; }();\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nvar _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 (\"value\" in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } };\n\nvar _parchment = __webpack_require__(0);\n\nvar _parchment2 = _interopRequireDefault(_parchment);\n\nvar _emitter = __webpack_require__(8);\n\nvar _emitter2 = _interopRequireDefault(_emitter);\n\nvar _block = __webpack_require__(4);\n\nvar _block2 = _interopRequireDefault(_block);\n\nvar _break = __webpack_require__(16);\n\nvar _break2 = _interopRequireDefault(_break);\n\nvar _code = __webpack_require__(13);\n\nvar _code2 = _interopRequireDefault(_code);\n\nvar _container = __webpack_require__(25);\n\nvar _container2 = _interopRequireDefault(_container);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }\n\nfunction isLine(blot) {\n return blot instanceof _block2.default || blot instanceof _block.BlockEmbed;\n}\n\nvar Scroll = function (_Parchment$Scroll) {\n _inherits(Scroll, _Parchment$Scroll);\n\n function Scroll(domNode, config) {\n _classCallCheck(this, Scroll);\n\n var _this = _possibleConstructorReturn(this, (Scroll.__proto__ || Object.getPrototypeOf(Scroll)).call(this, domNode));\n\n _this.emitter = config.emitter;\n if (Array.isArray(config.whitelist)) {\n _this.whitelist = config.whitelist.reduce(function (whitelist, format) {\n whitelist[format] = true;\n return whitelist;\n }, {});\n }\n // Some reason fixes composition issues with character languages in Windows/Chrome, Safari\n _this.domNode.addEventListener('DOMNodeInserted', function () {});\n _this.optimize();\n _this.enable();\n return _this;\n }\n\n _createClass(Scroll, [{\n key: 'batchStart',\n value: function batchStart() {\n this.batch = true;\n }\n }, {\n key: 'batchEnd',\n value: function batchEnd() {\n this.batch = false;\n this.optimize();\n }\n }, {\n key: 'deleteAt',\n value: function deleteAt(index, length) {\n var _line = this.line(index),\n _line2 = _slicedToArray(_line, 2),\n first = _line2[0],\n offset = _line2[1];\n\n var _line3 = this.line(index + length),\n _line4 = _slicedToArray(_line3, 1),\n last = _line4[0];\n\n _get(Scroll.prototype.__proto__ || Object.getPrototypeOf(Scroll.prototype), 'deleteAt', this).call(this, index, length);\n if (last != null && first !== last && offset > 0) {\n if (first instanceof _block.BlockEmbed || last instanceof _block.BlockEmbed) {\n this.optimize();\n return;\n }\n if (first instanceof _code2.default) {\n var newlineIndex = first.newlineIndex(first.length(), true);\n if (newlineIndex > -1) {\n first = first.split(newlineIndex + 1);\n if (first === last) {\n this.optimize();\n return;\n }\n }\n } else if (last instanceof _code2.default) {\n var _newlineIndex = last.newlineIndex(0);\n if (_newlineIndex > -1) {\n last.split(_newlineIndex + 1);\n }\n }\n var ref = last.children.head instanceof _break2.default ? null : last.children.head;\n first.moveChildren(last, ref);\n first.remove();\n }\n this.optimize();\n }\n }, {\n key: 'enable',\n value: function enable() {\n var enabled = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : true;\n\n this.domNode.setAttribute('contenteditable', enabled);\n }\n }, {\n key: 'formatAt',\n value: function formatAt(index, length, format, value) {\n if (this.whitelist != null && !this.whitelist[format]) return;\n _get(Scroll.prototype.__proto__ || Object.getPrototypeOf(Scroll.prototype), 'formatAt', this).call(this, index, length, format, value);\n this.optimize();\n }\n }, {\n key: 'insertAt',\n value: function insertAt(index, value, def) {\n if (def != null && this.whitelist != null && !this.whitelist[value]) return;\n if (index >= this.length()) {\n if (def == null || _parchment2.default.query(value, _parchment2.default.Scope.BLOCK) == null) {\n var blot = _parchment2.default.create(this.statics.defaultChild);\n this.appendChild(blot);\n if (def == null && value.endsWith('\\n')) {\n value = value.slice(0, -1);\n }\n blot.insertAt(0, value, def);\n } else {\n var embed = _parchment2.default.create(value, def);\n this.appendChild(embed);\n }\n } else {\n _get(Scroll.prototype.__proto__ || Object.getPrototypeOf(Scroll.prototype), 'insertAt', this).call(this, index, value, def);\n }\n this.optimize();\n }\n }, {\n key: 'insertBefore',\n value: function insertBefore(blot, ref) {\n if (blot.statics.scope === _parchment2.default.Scope.INLINE_BLOT) {\n var wrapper = _parchment2.default.create(this.statics.defaultChild);\n wrapper.appendChild(blot);\n blot = wrapper;\n }\n _get(Scroll.prototype.__proto__ || Object.getPrototypeOf(Scroll.prototype), 'insertBefore', this).call(this, blot, ref);\n }\n }, {\n key: 'leaf',\n value: function leaf(index) {\n return this.path(index).pop() || [null, -1];\n }\n }, {\n key: 'line',\n value: function line(index) {\n if (index === this.length()) {\n return this.line(index - 1);\n }\n return this.descendant(isLine, index);\n }\n }, {\n key: 'lines',\n value: function lines() {\n var index = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;\n var length = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : Number.MAX_VALUE;\n\n var getLines = function getLines(blot, index, length) {\n var lines = [],\n lengthLeft = length;\n blot.children.forEachAt(index, length, function (child, index, length) {\n if (isLine(child)) {\n lines.push(child);\n } else if (child instanceof _parchment2.default.Container) {\n lines = lines.concat(getLines(child, index, lengthLeft));\n }\n lengthLeft -= length;\n });\n return lines;\n };\n return getLines(this, index, length);\n }\n }, {\n key: 'optimize',\n value: function optimize() {\n var mutations = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];\n var context = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n\n if (this.batch === true) return;\n _get(Scroll.prototype.__proto__ || Object.getPrototypeOf(Scroll.prototype), 'optimize', this).call(this, mutations, context);\n if (mutations.length > 0) {\n this.emitter.emit(_emitter2.default.events.SCROLL_OPTIMIZE, mutations, context);\n }\n }\n }, {\n key: 'path',\n value: function path(index) {\n return _get(Scroll.prototype.__proto__ || Object.getPrototypeOf(Scroll.prototype), 'path', this).call(this, index).slice(1); // Exclude self\n }\n }, {\n key: 'update',\n value: function update(mutations) {\n if (this.batch === true) return;\n var source = _emitter2.default.sources.USER;\n if (typeof mutations === 'string') {\n source = mutations;\n }\n if (!Array.isArray(mutations)) {\n mutations = this.observer.takeRecords();\n }\n if (mutations.length > 0) {\n this.emitter.emit(_emitter2.default.events.SCROLL_BEFORE_UPDATE, source, mutations);\n }\n _get(Scroll.prototype.__proto__ || Object.getPrototypeOf(Scroll.prototype), 'update', this).call(this, mutations.concat([])); // pass copy\n if (mutations.length > 0) {\n this.emitter.emit(_emitter2.default.events.SCROLL_UPDATE, source, mutations);\n }\n }\n }]);\n\n return Scroll;\n}(_parchment2.default.Scroll);\n\nScroll.blotName = 'scroll';\nScroll.className = 'ql-editor';\nScroll.tagName = 'DIV';\nScroll.defaultChild = 'block';\nScroll.allowedChildren = [_block2.default, _block.BlockEmbed, _container2.default];\n\nexports.default = Scroll;\n\n/***/ }),\n/* 23 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.SHORTKEY = exports.default = undefined;\n\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\nvar _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 && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i[\"return\"]) _i[\"return\"](); } 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(\"Invalid attempt to destructure non-iterable instance\"); } }; }();\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nvar _clone = __webpack_require__(21);\n\nvar _clone2 = _interopRequireDefault(_clone);\n\nvar _deepEqual = __webpack_require__(11);\n\nvar _deepEqual2 = _interopRequireDefault(_deepEqual);\n\nvar _extend = __webpack_require__(3);\n\nvar _extend2 = _interopRequireDefault(_extend);\n\nvar _quillDelta = __webpack_require__(2);\n\nvar _quillDelta2 = _interopRequireDefault(_quillDelta);\n\nvar _op = __webpack_require__(20);\n\nvar _op2 = _interopRequireDefault(_op);\n\nvar _parchment = __webpack_require__(0);\n\nvar _parchment2 = _interopRequireDefault(_parchment);\n\nvar _quill = __webpack_require__(5);\n\nvar _quill2 = _interopRequireDefault(_quill);\n\nvar _logger = __webpack_require__(10);\n\nvar _logger2 = _interopRequireDefault(_logger);\n\nvar _module = __webpack_require__(9);\n\nvar _module2 = _interopRequireDefault(_module);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction _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; }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }\n\nvar debug = (0, _logger2.default)('quill:keyboard');\n\nvar SHORTKEY = /Mac/i.test(navigator.platform) ? 'metaKey' : 'ctrlKey';\n\nvar Keyboard = function (_Module) {\n _inherits(Keyboard, _Module);\n\n _createClass(Keyboard, null, [{\n key: 'match',\n value: function match(evt, binding) {\n binding = normalize(binding);\n if (['altKey', 'ctrlKey', 'metaKey', 'shiftKey'].some(function (key) {\n return !!binding[key] !== evt[key] && binding[key] !== null;\n })) {\n return false;\n }\n return binding.key === (evt.which || evt.keyCode);\n }\n }]);\n\n function Keyboard(quill, options) {\n _classCallCheck(this, Keyboard);\n\n var _this = _possibleConstructorReturn(this, (Keyboard.__proto__ || Object.getPrototypeOf(Keyboard)).call(this, quill, options));\n\n _this.bindings = {};\n Object.keys(_this.options.bindings).forEach(function (name) {\n if (name === 'list autofill' && quill.scroll.whitelist != null && !quill.scroll.whitelist['list']) {\n return;\n }\n if (_this.options.bindings[name]) {\n _this.addBinding(_this.options.bindings[name]);\n }\n });\n _this.addBinding({ key: Keyboard.keys.ENTER, shiftKey: null }, handleEnter);\n _this.addBinding({ key: Keyboard.keys.ENTER, metaKey: null, ctrlKey: null, altKey: null }, function () {});\n if (/Firefox/i.test(navigator.userAgent)) {\n // Need to handle delete and backspace for Firefox in the general case #1171\n _this.addBinding({ key: Keyboard.keys.BACKSPACE }, { collapsed: true }, handleBackspace);\n _this.addBinding({ key: Keyboard.keys.DELETE }, { collapsed: true }, handleDelete);\n } else {\n _this.addBinding({ key: Keyboard.keys.BACKSPACE }, { collapsed: true, prefix: /^.?$/ }, handleBackspace);\n _this.addBinding({ key: Keyboard.keys.DELETE }, { collapsed: true, suffix: /^.?$/ }, handleDelete);\n }\n _this.addBinding({ key: Keyboard.keys.BACKSPACE }, { collapsed: false }, handleDeleteRange);\n _this.addBinding({ key: Keyboard.keys.DELETE }, { collapsed: false }, handleDeleteRange);\n _this.addBinding({ key: Keyboard.keys.BACKSPACE, altKey: null, ctrlKey: null, metaKey: null, shiftKey: null }, { collapsed: true, offset: 0 }, handleBackspace);\n _this.listen();\n return _this;\n }\n\n _createClass(Keyboard, [{\n key: 'addBinding',\n value: function addBinding(key) {\n var context = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n var handler = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};\n\n var binding = normalize(key);\n if (binding == null || binding.key == null) {\n return debug.warn('Attempted to add invalid keyboard binding', binding);\n }\n if (typeof context === 'function') {\n context = { handler: context };\n }\n if (typeof handler === 'function') {\n handler = { handler: handler };\n }\n binding = (0, _extend2.default)(binding, context, handler);\n this.bindings[binding.key] = this.bindings[binding.key] || [];\n this.bindings[binding.key].push(binding);\n }\n }, {\n key: 'listen',\n value: function listen() {\n var _this2 = this;\n\n this.quill.root.addEventListener('keydown', function (evt) {\n if (evt.defaultPrevented) return;\n var which = evt.which || evt.keyCode;\n var bindings = (_this2.bindings[which] || []).filter(function (binding) {\n return Keyboard.match(evt, binding);\n });\n if (bindings.length === 0) return;\n var range = _this2.quill.getSelection();\n if (range == null || !_this2.quill.hasFocus()) return;\n\n var _quill$getLine = _this2.quill.getLine(range.index),\n _quill$getLine2 = _slicedToArray(_quill$getLine, 2),\n line = _quill$getLine2[0],\n offset = _quill$getLine2[1];\n\n var _quill$getLeaf = _this2.quill.getLeaf(range.index),\n _quill$getLeaf2 = _slicedToArray(_quill$getLeaf, 2),\n leafStart = _quill$getLeaf2[0],\n offsetStart = _quill$getLeaf2[1];\n\n var _ref = range.length === 0 ? [leafStart, offsetStart] : _this2.quill.getLeaf(range.index + range.length),\n _ref2 = _slicedToArray(_ref, 2),\n leafEnd = _ref2[0],\n offsetEnd = _ref2[1];\n\n var prefixText = leafStart instanceof _parchment2.default.Text ? leafStart.value().slice(0, offsetStart) : '';\n var suffixText = leafEnd instanceof _parchment2.default.Text ? leafEnd.value().slice(offsetEnd) : '';\n var curContext = {\n collapsed: range.length === 0,\n empty: range.length === 0 && line.length() <= 1,\n format: _this2.quill.getFormat(range),\n offset: offset,\n prefix: prefixText,\n suffix: suffixText\n };\n var prevented = bindings.some(function (binding) {\n if (binding.collapsed != null && binding.collapsed !== curContext.collapsed) return false;\n if (binding.empty != null && binding.empty !== curContext.empty) return false;\n if (binding.offset != null && binding.offset !== curContext.offset) return false;\n if (Array.isArray(binding.format)) {\n // any format is present\n if (binding.format.every(function (name) {\n return curContext.format[name] == null;\n })) {\n return false;\n }\n } else if (_typeof(binding.format) === 'object') {\n // all formats must match\n if (!Object.keys(binding.format).every(function (name) {\n if (binding.format[name] === true) return curContext.format[name] != null;\n if (binding.format[name] === false) return curContext.format[name] == null;\n return (0, _deepEqual2.default)(binding.format[name], curContext.format[name]);\n })) {\n return false;\n }\n }\n if (binding.prefix != null && !binding.prefix.test(curContext.prefix)) return false;\n if (binding.suffix != null && !binding.suffix.test(curContext.suffix)) return false;\n return binding.handler.call(_this2, range, curContext) !== true;\n });\n if (prevented) {\n evt.preventDefault();\n }\n });\n }\n }]);\n\n return Keyboard;\n}(_module2.default);\n\nKeyboard.keys = {\n BACKSPACE: 8,\n TAB: 9,\n ENTER: 13,\n ESCAPE: 27,\n LEFT: 37,\n UP: 38,\n RIGHT: 39,\n DOWN: 40,\n DELETE: 46\n};\n\nKeyboard.DEFAULTS = {\n bindings: {\n 'bold': makeFormatHandler('bold'),\n 'italic': makeFormatHandler('italic'),\n 'underline': makeFormatHandler('underline'),\n 'indent': {\n // highlight tab or tab at beginning of list, indent or blockquote\n key: Keyboard.keys.TAB,\n format: ['blockquote', 'indent', 'list'],\n handler: function handler(range, context) {\n if (context.collapsed && context.offset !== 0) return true;\n this.quill.format('indent', '+1', _quill2.default.sources.USER);\n }\n },\n 'outdent': {\n key: Keyboard.keys.TAB,\n shiftKey: true,\n format: ['blockquote', 'indent', 'list'],\n // highlight tab or tab at beginning of list, indent or blockquote\n handler: function handler(range, context) {\n if (context.collapsed && context.offset !== 0) return true;\n this.quill.format('indent', '-1', _quill2.default.sources.USER);\n }\n },\n 'outdent backspace': {\n key: Keyboard.keys.BACKSPACE,\n collapsed: true,\n shiftKey: null,\n metaKey: null,\n ctrlKey: null,\n altKey: null,\n format: ['indent', 'list'],\n offset: 0,\n handler: function handler(range, context) {\n if (context.format.indent != null) {\n this.quill.format('indent', '-1', _quill2.default.sources.USER);\n } else if (context.format.list != null) {\n this.quill.format('list', false, _quill2.default.sources.USER);\n }\n }\n },\n 'indent code-block': makeCodeBlockHandler(true),\n 'outdent code-block': makeCodeBlockHandler(false),\n 'remove tab': {\n key: Keyboard.keys.TAB,\n shiftKey: true,\n collapsed: true,\n prefix: /\\t$/,\n handler: function handler(range) {\n this.quill.deleteText(range.index - 1, 1, _quill2.default.sources.USER);\n }\n },\n 'tab': {\n key: Keyboard.keys.TAB,\n handler: function handler(range) {\n this.quill.history.cutoff();\n var delta = new _quillDelta2.default().retain(range.index).delete(range.length).insert('\\t');\n this.quill.updateContents(delta, _quill2.default.sources.USER);\n this.quill.history.cutoff();\n this.quill.setSelection(range.index + 1, _quill2.default.sources.SILENT);\n }\n },\n 'list empty enter': {\n key: Keyboard.keys.ENTER,\n collapsed: true,\n format: ['list'],\n empty: true,\n handler: function handler(range, context) {\n this.quill.format('list', false, _quill2.default.sources.USER);\n if (context.format.indent) {\n this.quill.format('indent', false, _quill2.default.sources.USER);\n }\n }\n },\n 'checklist enter': {\n key: Keyboard.keys.ENTER,\n collapsed: true,\n format: { list: 'checked' },\n handler: function handler(range) {\n var _quill$getLine3 = this.quill.getLine(range.index),\n _quill$getLine4 = _slicedToArray(_quill$getLine3, 2),\n line = _quill$getLine4[0],\n offset = _quill$getLine4[1];\n\n var formats = (0, _extend2.default)({}, line.formats(), { list: 'checked' });\n var delta = new _quillDelta2.default().retain(range.index).insert('\\n', formats).retain(line.length() - offset - 1).retain(1, { list: 'unchecked' });\n this.quill.updateContents(delta, _quill2.default.sources.USER);\n this.quill.setSelection(range.index + 1, _quill2.default.sources.SILENT);\n this.quill.scrollIntoView();\n }\n },\n 'header enter': {\n key: Keyboard.keys.ENTER,\n collapsed: true,\n format: ['header'],\n suffix: /^$/,\n handler: function handler(range, context) {\n var _quill$getLine5 = this.quill.getLine(range.index),\n _quill$getLine6 = _slicedToArray(_quill$getLine5, 2),\n line = _quill$getLine6[0],\n offset = _quill$getLine6[1];\n\n var delta = new _quillDelta2.default().retain(range.index).insert('\\n', context.format).retain(line.length() - offset - 1).retain(1, { header: null });\n this.quill.updateContents(delta, _quill2.default.sources.USER);\n this.quill.setSelection(range.index + 1, _quill2.default.sources.SILENT);\n this.quill.scrollIntoView();\n }\n },\n 'list autofill': {\n key: ' ',\n collapsed: true,\n format: { list: false },\n prefix: /^\\s*?(\\d+\\.|-|\\*|\\[ ?\\]|\\[x\\])$/,\n handler: function handler(range, context) {\n var length = context.prefix.length;\n\n var _quill$getLine7 = this.quill.getLine(range.index),\n _quill$getLine8 = _slicedToArray(_quill$getLine7, 2),\n line = _quill$getLine8[0],\n offset = _quill$getLine8[1];\n\n if (offset > length) return true;\n var value = void 0;\n switch (context.prefix.trim()) {\n case '[]':case '[ ]':\n value = 'unchecked';\n break;\n case '[x]':\n value = 'checked';\n break;\n case '-':case '*':\n value = 'bullet';\n break;\n default:\n value = 'ordered';\n }\n this.quill.insertText(range.index, ' ', _quill2.default.sources.USER);\n this.quill.history.cutoff();\n var delta = new _quillDelta2.default().retain(range.index - offset).delete(length + 1).retain(line.length() - 2 - offset).retain(1, { list: value });\n this.quill.updateContents(delta, _quill2.default.sources.USER);\n this.quill.history.cutoff();\n this.quill.setSelection(range.index - length, _quill2.default.sources.SILENT);\n }\n },\n 'code exit': {\n key: Keyboard.keys.ENTER,\n collapsed: true,\n format: ['code-block'],\n prefix: /\\n\\n$/,\n suffix: /^\\s+$/,\n handler: function handler(range) {\n var _quill$getLine9 = this.quill.getLine(range.index),\n _quill$getLine10 = _slicedToArray(_quill$getLine9, 2),\n line = _quill$getLine10[0],\n offset = _quill$getLine10[1];\n\n var delta = new _quillDelta2.default().retain(range.index + line.length() - offset - 2).retain(1, { 'code-block': null }).delete(1);\n this.quill.updateContents(delta, _quill2.default.sources.USER);\n }\n },\n 'embed left': makeEmbedArrowHandler(Keyboard.keys.LEFT, false),\n 'embed left shift': makeEmbedArrowHandler(Keyboard.keys.LEFT, true),\n 'embed right': makeEmbedArrowHandler(Keyboard.keys.RIGHT, false),\n 'embed right shift': makeEmbedArrowHandler(Keyboard.keys.RIGHT, true)\n }\n};\n\nfunction makeEmbedArrowHandler(key, shiftKey) {\n var _ref3;\n\n var where = key === Keyboard.keys.LEFT ? 'prefix' : 'suffix';\n return _ref3 = {\n key: key,\n shiftKey: shiftKey,\n altKey: null\n }, _defineProperty(_ref3, where, /^$/), _defineProperty(_ref3, 'handler', function handler(range) {\n var index = range.index;\n if (key === Keyboard.keys.RIGHT) {\n index += range.length + 1;\n }\n\n var _quill$getLeaf3 = this.quill.getLeaf(index),\n _quill$getLeaf4 = _slicedToArray(_quill$getLeaf3, 1),\n leaf = _quill$getLeaf4[0];\n\n if (!(leaf instanceof _parchment2.default.Embed)) return true;\n if (key === Keyboard.keys.LEFT) {\n if (shiftKey) {\n this.quill.setSelection(range.index - 1, range.length + 1, _quill2.default.sources.USER);\n } else {\n this.quill.setSelection(range.index - 1, _quill2.default.sources.USER);\n }\n } else {\n if (shiftKey) {\n this.quill.setSelection(range.index, range.length + 1, _quill2.default.sources.USER);\n } else {\n this.quill.setSelection(range.index + range.length + 1, _quill2.default.sources.USER);\n }\n }\n return false;\n }), _ref3;\n}\n\nfunction handleBackspace(range, context) {\n if (range.index === 0 || this.quill.getLength() <= 1) return;\n\n var _quill$getLine11 = this.quill.getLine(range.index),\n _quill$getLine12 = _slicedToArray(_quill$getLine11, 1),\n line = _quill$getLine12[0];\n\n var formats = {};\n if (context.offset === 0) {\n var _quill$getLine13 = this.quill.getLine(range.index - 1),\n _quill$getLine14 = _slicedToArray(_quill$getLine13, 1),\n prev = _quill$getLine14[0];\n\n if (prev != null && prev.length() > 1) {\n var curFormats = line.formats();\n var prevFormats = this.quill.getFormat(range.index - 1, 1);\n formats = _op2.default.attributes.diff(curFormats, prevFormats) || {};\n }\n }\n // Check for astral symbols\n var length = /[\\uD800-\\uDBFF][\\uDC00-\\uDFFF]$/.test(context.prefix) ? 2 : 1;\n this.quill.deleteText(range.index - length, length, _quill2.default.sources.USER);\n if (Object.keys(formats).length > 0) {\n this.quill.formatLine(range.index - length, length, formats, _quill2.default.sources.USER);\n }\n this.quill.focus();\n}\n\nfunction handleDelete(range, context) {\n // Check for astral symbols\n var length = /^[\\uD800-\\uDBFF][\\uDC00-\\uDFFF]/.test(context.suffix) ? 2 : 1;\n if (range.index >= this.quill.getLength() - length) return;\n var formats = {},\n nextLength = 0;\n\n var _quill$getLine15 = this.quill.getLine(range.index),\n _quill$getLine16 = _slicedToArray(_quill$getLine15, 1),\n line = _quill$getLine16[0];\n\n if (context.offset >= line.length() - 1) {\n var _quill$getLine17 = this.quill.getLine(range.index + 1),\n _quill$getLine18 = _slicedToArray(_quill$getLine17, 1),\n next = _quill$getLine18[0];\n\n if (next) {\n var curFormats = line.formats();\n var nextFormats = this.quill.getFormat(range.index, 1);\n formats = _op2.default.attributes.diff(curFormats, nextFormats) || {};\n nextLength = next.length();\n }\n }\n this.quill.deleteText(range.index, length, _quill2.default.sources.USER);\n if (Object.keys(formats).length > 0) {\n this.quill.formatLine(range.index + nextLength - 1, length, formats, _quill2.default.sources.USER);\n }\n}\n\nfunction handleDeleteRange(range) {\n var lines = this.quill.getLines(range);\n var formats = {};\n if (lines.length > 1) {\n var firstFormats = lines[0].formats();\n var lastFormats = lines[lines.length - 1].formats();\n formats = _op2.default.attributes.diff(lastFormats, firstFormats) || {};\n }\n this.quill.deleteText(range, _quill2.default.sources.USER);\n if (Object.keys(formats).length > 0) {\n this.quill.formatLine(range.index, 1, formats, _quill2.default.sources.USER);\n }\n this.quill.setSelection(range.index, _quill2.default.sources.SILENT);\n this.quill.focus();\n}\n\nfunction handleEnter(range, context) {\n var _this3 = this;\n\n if (range.length > 0) {\n this.quill.scroll.deleteAt(range.index, range.length); // So we do not trigger text-change\n }\n var lineFormats = Object.keys(context.format).reduce(function (lineFormats, format) {\n if (_parchment2.default.query(format, _parchment2.default.Scope.BLOCK) && !Array.isArray(context.format[format])) {\n lineFormats[format] = context.format[format];\n }\n return lineFormats;\n }, {});\n this.quill.insertText(range.index, '\\n', lineFormats, _quill2.default.sources.USER);\n // Earlier scroll.deleteAt might have messed up our selection,\n // so insertText's built in selection preservation is not reliable\n this.quill.setSelection(range.index + 1, _quill2.default.sources.SILENT);\n this.quill.focus();\n Object.keys(context.format).forEach(function (name) {\n if (lineFormats[name] != null) return;\n if (Array.isArray(context.format[name])) return;\n if (name === 'link') return;\n _this3.quill.format(name, context.format[name], _quill2.default.sources.USER);\n });\n}\n\nfunction makeCodeBlockHandler(indent) {\n return {\n key: Keyboard.keys.TAB,\n shiftKey: !indent,\n format: { 'code-block': true },\n handler: function handler(range) {\n var CodeBlock = _parchment2.default.query('code-block');\n var index = range.index,\n length = range.length;\n\n var _quill$scroll$descend = this.quill.scroll.descendant(CodeBlock, index),\n _quill$scroll$descend2 = _slicedToArray(_quill$scroll$descend, 2),\n block = _quill$scroll$descend2[0],\n offset = _quill$scroll$descend2[1];\n\n if (block == null) return;\n var scrollIndex = this.quill.getIndex(block);\n var start = block.newlineIndex(offset, true) + 1;\n var end = block.newlineIndex(scrollIndex + offset + length);\n var lines = block.domNode.textContent.slice(start, end).split('\\n');\n offset = 0;\n lines.forEach(function (line, i) {\n if (indent) {\n block.insertAt(start + offset, CodeBlock.TAB);\n offset += CodeBlock.TAB.length;\n if (i === 0) {\n index += CodeBlock.TAB.length;\n } else {\n length += CodeBlock.TAB.length;\n }\n } else if (line.startsWith(CodeBlock.TAB)) {\n block.deleteAt(start + offset, CodeBlock.TAB.length);\n offset -= CodeBlock.TAB.length;\n if (i === 0) {\n index -= CodeBlock.TAB.length;\n } else {\n length -= CodeBlock.TAB.length;\n }\n }\n offset += line.length + 1;\n });\n this.quill.update(_quill2.default.sources.USER);\n this.quill.setSelection(index, length, _quill2.default.sources.SILENT);\n }\n };\n}\n\nfunction makeFormatHandler(format) {\n return {\n key: format[0].toUpperCase(),\n shortKey: true,\n handler: function handler(range, context) {\n this.quill.format(format, !context.format[format], _quill2.default.sources.USER);\n }\n };\n}\n\nfunction normalize(binding) {\n if (typeof binding === 'string' || typeof binding === 'number') {\n return normalize({ key: binding });\n }\n if ((typeof binding === 'undefined' ? 'undefined' : _typeof(binding)) === 'object') {\n binding = (0, _clone2.default)(binding, false);\n }\n if (typeof binding.key === 'string') {\n if (Keyboard.keys[binding.key.toUpperCase()] != null) {\n binding.key = Keyboard.keys[binding.key.toUpperCase()];\n } else if (binding.key.length === 1) {\n binding.key = binding.key.toUpperCase().charCodeAt(0);\n } else {\n return null;\n }\n }\n if (binding.shortKey) {\n binding[SHORTKEY] = binding.shortKey;\n delete binding.shortKey;\n }\n return binding;\n}\n\nexports.default = Keyboard;\nexports.SHORTKEY = SHORTKEY;\n\n/***/ }),\n/* 24 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _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 && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i[\"return\"]) _i[\"return\"](); } 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(\"Invalid attempt to destructure non-iterable instance\"); } }; }();\n\nvar _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 (\"value\" in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } };\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nvar _parchment = __webpack_require__(0);\n\nvar _parchment2 = _interopRequireDefault(_parchment);\n\nvar _text = __webpack_require__(7);\n\nvar _text2 = _interopRequireDefault(_text);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }\n\nvar Cursor = function (_Parchment$Embed) {\n _inherits(Cursor, _Parchment$Embed);\n\n _createClass(Cursor, null, [{\n key: 'value',\n value: function value() {\n return undefined;\n }\n }]);\n\n function Cursor(domNode, selection) {\n _classCallCheck(this, Cursor);\n\n var _this = _possibleConstructorReturn(this, (Cursor.__proto__ || Object.getPrototypeOf(Cursor)).call(this, domNode));\n\n _this.selection = selection;\n _this.textNode = document.createTextNode(Cursor.CONTENTS);\n _this.domNode.appendChild(_this.textNode);\n _this._length = 0;\n return _this;\n }\n\n _createClass(Cursor, [{\n key: 'detach',\n value: function detach() {\n // super.detach() will also clear domNode.__blot\n if (this.parent != null) this.parent.removeChild(this);\n }\n }, {\n key: 'format',\n value: function format(name, value) {\n if (this._length !== 0) {\n return _get(Cursor.prototype.__proto__ || Object.getPrototypeOf(Cursor.prototype), 'format', this).call(this, name, value);\n }\n var target = this,\n index = 0;\n while (target != null && target.statics.scope !== _parchment2.default.Scope.BLOCK_BLOT) {\n index += target.offset(target.parent);\n target = target.parent;\n }\n if (target != null) {\n this._length = Cursor.CONTENTS.length;\n target.optimize();\n target.formatAt(index, Cursor.CONTENTS.length, name, value);\n this._length = 0;\n }\n }\n }, {\n key: 'index',\n value: function index(node, offset) {\n if (node === this.textNode) return 0;\n return _get(Cursor.prototype.__proto__ || Object.getPrototypeOf(Cursor.prototype), 'index', this).call(this, node, offset);\n }\n }, {\n key: 'length',\n value: function length() {\n return this._length;\n }\n }, {\n key: 'position',\n value: function position() {\n return [this.textNode, this.textNode.data.length];\n }\n }, {\n key: 'remove',\n value: function remove() {\n _get(Cursor.prototype.__proto__ || Object.getPrototypeOf(Cursor.prototype), 'remove', this).call(this);\n this.parent = null;\n }\n }, {\n key: 'restore',\n value: function restore() {\n if (this.selection.composing || this.parent == null) return;\n var textNode = this.textNode;\n var range = this.selection.getNativeRange();\n var restoreText = void 0,\n start = void 0,\n end = void 0;\n if (range != null && range.start.node === textNode && range.end.node === textNode) {\n var _ref = [textNode, range.start.offset, range.end.offset];\n restoreText = _ref[0];\n start = _ref[1];\n end = _ref[2];\n }\n // Link format will insert text outside of anchor tag\n while (this.domNode.lastChild != null && this.domNode.lastChild !== this.textNode) {\n this.domNode.parentNode.insertBefore(this.domNode.lastChild, this.domNode);\n }\n if (this.textNode.data !== Cursor.CONTENTS) {\n var text = this.textNode.data.split(Cursor.CONTENTS).join('');\n if (this.next instanceof _text2.default) {\n restoreText = this.next.domNode;\n this.next.insertAt(0, text);\n this.textNode.data = Cursor.CONTENTS;\n } else {\n this.textNode.data = text;\n this.parent.insertBefore(_parchment2.default.create(this.textNode), this);\n this.textNode = document.createTextNode(Cursor.CONTENTS);\n this.domNode.appendChild(this.textNode);\n }\n }\n this.remove();\n if (start != null) {\n var _map = [start, end].map(function (offset) {\n return Math.max(0, Math.min(restoreText.data.length, offset - 1));\n });\n\n var _map2 = _slicedToArray(_map, 2);\n\n start = _map2[0];\n end = _map2[1];\n\n return {\n startNode: restoreText,\n startOffset: start,\n endNode: restoreText,\n endOffset: end\n };\n }\n }\n }, {\n key: 'update',\n value: function update(mutations, context) {\n var _this2 = this;\n\n if (mutations.some(function (mutation) {\n return mutation.type === 'characterData' && mutation.target === _this2.textNode;\n })) {\n var range = this.restore();\n if (range) context.range = range;\n }\n }\n }, {\n key: 'value',\n value: function value() {\n return '';\n }\n }]);\n\n return Cursor;\n}(_parchment2.default.Embed);\n\nCursor.blotName = 'cursor';\nCursor.className = 'ql-cursor';\nCursor.tagName = 'span';\nCursor.CONTENTS = '\\uFEFF'; // Zero width no break space\n\n\nexports.default = Cursor;\n\n/***/ }),\n/* 25 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _parchment = __webpack_require__(0);\n\nvar _parchment2 = _interopRequireDefault(_parchment);\n\nvar _block = __webpack_require__(4);\n\nvar _block2 = _interopRequireDefault(_block);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }\n\nvar Container = function (_Parchment$Container) {\n _inherits(Container, _Parchment$Container);\n\n function Container() {\n _classCallCheck(this, Container);\n\n return _possibleConstructorReturn(this, (Container.__proto__ || Object.getPrototypeOf(Container)).apply(this, arguments));\n }\n\n return Container;\n}(_parchment2.default.Container);\n\nContainer.allowedChildren = [_block2.default, _block.BlockEmbed, Container];\n\nexports.default = Container;\n\n/***/ }),\n/* 26 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.ColorStyle = exports.ColorClass = exports.ColorAttributor = undefined;\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nvar _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 (\"value\" in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } };\n\nvar _parchment = __webpack_require__(0);\n\nvar _parchment2 = _interopRequireDefault(_parchment);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }\n\nvar ColorAttributor = function (_Parchment$Attributor) {\n _inherits(ColorAttributor, _Parchment$Attributor);\n\n function ColorAttributor() {\n _classCallCheck(this, ColorAttributor);\n\n return _possibleConstructorReturn(this, (ColorAttributor.__proto__ || Object.getPrototypeOf(ColorAttributor)).apply(this, arguments));\n }\n\n _createClass(ColorAttributor, [{\n key: 'value',\n value: function value(domNode) {\n var value = _get(ColorAttributor.prototype.__proto__ || Object.getPrototypeOf(ColorAttributor.prototype), 'value', this).call(this, domNode);\n if (!value.startsWith('rgb(')) return value;\n value = value.replace(/^[^\\d]+/, '').replace(/[^\\d]+$/, '');\n return '#' + value.split(',').map(function (component) {\n return ('00' + parseInt(component).toString(16)).slice(-2);\n }).join('');\n }\n }]);\n\n return ColorAttributor;\n}(_parchment2.default.Attributor.Style);\n\nvar ColorClass = new _parchment2.default.Attributor.Class('color', 'ql-color', {\n scope: _parchment2.default.Scope.INLINE\n});\nvar ColorStyle = new ColorAttributor('color', 'color', {\n scope: _parchment2.default.Scope.INLINE\n});\n\nexports.ColorAttributor = ColorAttributor;\nexports.ColorClass = ColorClass;\nexports.ColorStyle = ColorStyle;\n\n/***/ }),\n/* 27 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.sanitize = exports.default = undefined;\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nvar _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 (\"value\" in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } };\n\nvar _inline = __webpack_require__(6);\n\nvar _inline2 = _interopRequireDefault(_inline);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }\n\nvar Link = function (_Inline) {\n _inherits(Link, _Inline);\n\n function Link() {\n _classCallCheck(this, Link);\n\n return _possibleConstructorReturn(this, (Link.__proto__ || Object.getPrototypeOf(Link)).apply(this, arguments));\n }\n\n _createClass(Link, [{\n key: 'format',\n value: function format(name, value) {\n if (name !== this.statics.blotName || !value) return _get(Link.prototype.__proto__ || Object.getPrototypeOf(Link.prototype), 'format', this).call(this, name, value);\n value = this.constructor.sanitize(value);\n this.domNode.setAttribute('href', value);\n }\n }], [{\n key: 'create',\n value: function create(value) {\n var node = _get(Link.__proto__ || Object.getPrototypeOf(Link), 'create', this).call(this, value);\n value = this.sanitize(value);\n node.setAttribute('href', value);\n node.setAttribute('rel', 'noopener noreferrer');\n node.setAttribute('target', '_blank');\n return node;\n }\n }, {\n key: 'formats',\n value: function formats(domNode) {\n return domNode.getAttribute('href');\n }\n }, {\n key: 'sanitize',\n value: function sanitize(url) {\n return _sanitize(url, this.PROTOCOL_WHITELIST) ? url : this.SANITIZED_URL;\n }\n }]);\n\n return Link;\n}(_inline2.default);\n\nLink.blotName = 'link';\nLink.tagName = 'A';\nLink.SANITIZED_URL = 'about:blank';\nLink.PROTOCOL_WHITELIST = ['http', 'https', 'mailto', 'tel'];\n\nfunction _sanitize(url, protocols) {\n var anchor = document.createElement('a');\n anchor.href = url;\n var protocol = anchor.href.slice(0, anchor.href.indexOf(':'));\n return protocols.indexOf(protocol) > -1;\n}\n\nexports.default = Link;\nexports.sanitize = _sanitize;\n\n/***/ }),\n/* 28 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nvar _keyboard = __webpack_require__(23);\n\nvar _keyboard2 = _interopRequireDefault(_keyboard);\n\nvar _dropdown = __webpack_require__(107);\n\nvar _dropdown2 = _interopRequireDefault(_dropdown);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nvar optionsCounter = 0;\n\nfunction toggleAriaAttribute(element, attribute) {\n element.setAttribute(attribute, !(element.getAttribute(attribute) === 'true'));\n}\n\nvar Picker = function () {\n function Picker(select) {\n var _this = this;\n\n _classCallCheck(this, Picker);\n\n this.select = select;\n this.container = document.createElement('span');\n this.buildPicker();\n this.select.style.display = 'none';\n this.select.parentNode.insertBefore(this.container, this.select);\n\n this.label.addEventListener('mousedown', function () {\n _this.togglePicker();\n });\n this.label.addEventListener('keydown', function (event) {\n switch (event.keyCode) {\n // Allows the \"Enter\" key to open the picker\n case _keyboard2.default.keys.ENTER:\n _this.togglePicker();\n break;\n\n // Allows the \"Escape\" key to close the picker\n case _keyboard2.default.keys.ESCAPE:\n _this.escape();\n event.preventDefault();\n break;\n default:\n }\n });\n this.select.addEventListener('change', this.update.bind(this));\n }\n\n _createClass(Picker, [{\n key: 'togglePicker',\n value: function togglePicker() {\n this.container.classList.toggle('ql-expanded');\n // Toggle aria-expanded and aria-hidden to make the picker accessible\n toggleAriaAttribute(this.label, 'aria-expanded');\n toggleAriaAttribute(this.options, 'aria-hidden');\n }\n }, {\n key: 'buildItem',\n value: function buildItem(option) {\n var _this2 = this;\n\n var item = document.createElement('span');\n item.tabIndex = '0';\n item.setAttribute('role', 'button');\n\n item.classList.add('ql-picker-item');\n if (option.hasAttribute('value')) {\n item.setAttribute('data-value', option.getAttribute('value'));\n }\n if (option.textContent) {\n item.setAttribute('data-label', option.textContent);\n }\n item.addEventListener('click', function () {\n _this2.selectItem(item, true);\n });\n item.addEventListener('keydown', function (event) {\n switch (event.keyCode) {\n // Allows the \"Enter\" key to select an item\n case _keyboard2.default.keys.ENTER:\n _this2.selectItem(item, true);\n event.preventDefault();\n break;\n\n // Allows the \"Escape\" key to close the picker\n case _keyboard2.default.keys.ESCAPE:\n _this2.escape();\n event.preventDefault();\n break;\n default:\n }\n });\n\n return item;\n }\n }, {\n key: 'buildLabel',\n value: function buildLabel() {\n var label = document.createElement('span');\n label.classList.add('ql-picker-label');\n label.innerHTML = _dropdown2.default;\n label.tabIndex = '0';\n label.setAttribute('role', 'button');\n label.setAttribute('aria-expanded', 'false');\n this.container.appendChild(label);\n return label;\n }\n }, {\n key: 'buildOptions',\n value: function buildOptions() {\n var _this3 = this;\n\n var options = document.createElement('span');\n options.classList.add('ql-picker-options');\n\n // Don't want screen readers to read this until options are visible\n options.setAttribute('aria-hidden', 'true');\n options.tabIndex = '-1';\n\n // Need a unique id for aria-controls\n options.id = 'ql-picker-options-' + optionsCounter;\n optionsCounter += 1;\n this.label.setAttribute('aria-controls', options.id);\n\n this.options = options;\n\n [].slice.call(this.select.options).forEach(function (option) {\n var item = _this3.buildItem(option);\n options.appendChild(item);\n if (option.selected === true) {\n _this3.selectItem(item);\n }\n });\n this.container.appendChild(options);\n }\n }, {\n key: 'buildPicker',\n value: function buildPicker() {\n var _this4 = this;\n\n [].slice.call(this.select.attributes).forEach(function (item) {\n _this4.container.setAttribute(item.name, item.value);\n });\n this.container.classList.add('ql-picker');\n this.label = this.buildLabel();\n this.buildOptions();\n }\n }, {\n key: 'escape',\n value: function escape() {\n var _this5 = this;\n\n // Close menu and return focus to trigger label\n this.close();\n // Need setTimeout for accessibility to ensure that the browser executes\n // focus on the next process thread and after any DOM content changes\n setTimeout(function () {\n return _this5.label.focus();\n }, 1);\n }\n }, {\n key: 'close',\n value: function close() {\n this.container.classList.remove('ql-expanded');\n this.label.setAttribute('aria-expanded', 'false');\n this.options.setAttribute('aria-hidden', 'true');\n }\n }, {\n key: 'selectItem',\n value: function selectItem(item) {\n var trigger = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;\n\n var selected = this.container.querySelector('.ql-selected');\n if (item === selected) return;\n if (selected != null) {\n selected.classList.remove('ql-selected');\n }\n if (item == null) return;\n item.classList.add('ql-selected');\n this.select.selectedIndex = [].indexOf.call(item.parentNode.children, item);\n if (item.hasAttribute('data-value')) {\n this.label.setAttribute('data-value', item.getAttribute('data-value'));\n } else {\n this.label.removeAttribute('data-value');\n }\n if (item.hasAttribute('data-label')) {\n this.label.setAttribute('data-label', item.getAttribute('data-label'));\n } else {\n this.label.removeAttribute('data-label');\n }\n if (trigger) {\n if (typeof Event === 'function') {\n this.select.dispatchEvent(new Event('change'));\n } else if ((typeof Event === 'undefined' ? 'undefined' : _typeof(Event)) === 'object') {\n // IE11\n var event = document.createEvent('Event');\n event.initEvent('change', true, true);\n this.select.dispatchEvent(event);\n }\n this.close();\n }\n }\n }, {\n key: 'update',\n value: function update() {\n var option = void 0;\n if (this.select.selectedIndex > -1) {\n var item = this.container.querySelector('.ql-picker-options').children[this.select.selectedIndex];\n option = this.select.options[this.select.selectedIndex];\n this.selectItem(item);\n } else {\n this.selectItem(null);\n }\n var isActive = option != null && option !== this.select.querySelector('option[selected]');\n this.label.classList.toggle('ql-active', isActive);\n }\n }]);\n\n return Picker;\n}();\n\nexports.default = Picker;\n\n/***/ }),\n/* 29 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _parchment = __webpack_require__(0);\n\nvar _parchment2 = _interopRequireDefault(_parchment);\n\nvar _quill = __webpack_require__(5);\n\nvar _quill2 = _interopRequireDefault(_quill);\n\nvar _block = __webpack_require__(4);\n\nvar _block2 = _interopRequireDefault(_block);\n\nvar _break = __webpack_require__(16);\n\nvar _break2 = _interopRequireDefault(_break);\n\nvar _container = __webpack_require__(25);\n\nvar _container2 = _interopRequireDefault(_container);\n\nvar _cursor = __webpack_require__(24);\n\nvar _cursor2 = _interopRequireDefault(_cursor);\n\nvar _embed = __webpack_require__(35);\n\nvar _embed2 = _interopRequireDefault(_embed);\n\nvar _inline = __webpack_require__(6);\n\nvar _inline2 = _interopRequireDefault(_inline);\n\nvar _scroll = __webpack_require__(22);\n\nvar _scroll2 = _interopRequireDefault(_scroll);\n\nvar _text = __webpack_require__(7);\n\nvar _text2 = _interopRequireDefault(_text);\n\nvar _clipboard = __webpack_require__(55);\n\nvar _clipboard2 = _interopRequireDefault(_clipboard);\n\nvar _history = __webpack_require__(42);\n\nvar _history2 = _interopRequireDefault(_history);\n\nvar _keyboard = __webpack_require__(23);\n\nvar _keyboard2 = _interopRequireDefault(_keyboard);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\n_quill2.default.register({\n 'blots/block': _block2.default,\n 'blots/block/embed': _block.BlockEmbed,\n 'blots/break': _break2.default,\n 'blots/container': _container2.default,\n 'blots/cursor': _cursor2.default,\n 'blots/embed': _embed2.default,\n 'blots/inline': _inline2.default,\n 'blots/scroll': _scroll2.default,\n 'blots/text': _text2.default,\n\n 'modules/clipboard': _clipboard2.default,\n 'modules/history': _history2.default,\n 'modules/keyboard': _keyboard2.default\n});\n\n_parchment2.default.register(_block2.default, _break2.default, _cursor2.default, _inline2.default, _scroll2.default, _text2.default);\n\nexports.default = _quill2.default;\n\n/***/ }),\n/* 30 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\nObject.defineProperty(exports, \"__esModule\", { value: true });\nvar Registry = __webpack_require__(1);\nvar ShadowBlot = /** @class */ (function () {\n function ShadowBlot(domNode) {\n this.domNode = domNode;\n // @ts-ignore\n this.domNode[Registry.DATA_KEY] = { blot: this };\n }\n Object.defineProperty(ShadowBlot.prototype, \"statics\", {\n // Hack for accessing inherited static methods\n get: function () {\n return this.constructor;\n },\n enumerable: true,\n configurable: true\n });\n ShadowBlot.create = function (value) {\n if (this.tagName == null) {\n throw new Registry.ParchmentError('Blot definition missing tagName');\n }\n var node;\n if (Array.isArray(this.tagName)) {\n if (typeof value === 'string') {\n value = value.toUpperCase();\n if (parseInt(value).toString() === value) {\n value = parseInt(value);\n }\n }\n if (typeof value === 'number') {\n node = document.createElement(this.tagName[value - 1]);\n }\n else if (this.tagName.indexOf(value) > -1) {\n node = document.createElement(value);\n }\n else {\n node = document.createElement(this.tagName[0]);\n }\n }\n else {\n node = document.createElement(this.tagName);\n }\n if (this.className) {\n node.classList.add(this.className);\n }\n return node;\n };\n ShadowBlot.prototype.attach = function () {\n if (this.parent != null) {\n this.scroll = this.parent.scroll;\n }\n };\n ShadowBlot.prototype.clone = function () {\n var domNode = this.domNode.cloneNode(false);\n return Registry.create(domNode);\n };\n ShadowBlot.prototype.detach = function () {\n if (this.parent != null)\n this.parent.removeChild(this);\n // @ts-ignore\n delete this.domNode[Registry.DATA_KEY];\n };\n ShadowBlot.prototype.deleteAt = function (index, length) {\n var blot = this.isolate(index, length);\n blot.remove();\n };\n ShadowBlot.prototype.formatAt = function (index, length, name, value) {\n var blot = this.isolate(index, length);\n if (Registry.query(name, Registry.Scope.BLOT) != null && value) {\n blot.wrap(name, value);\n }\n else if (Registry.query(name, Registry.Scope.ATTRIBUTE) != null) {\n var parent = Registry.create(this.statics.scope);\n blot.wrap(parent);\n parent.format(name, value);\n }\n };\n ShadowBlot.prototype.insertAt = function (index, value, def) {\n var blot = def == null ? Registry.create('text', value) : Registry.create(value, def);\n var ref = this.split(index);\n this.parent.insertBefore(blot, ref);\n };\n ShadowBlot.prototype.insertInto = function (parentBlot, refBlot) {\n if (refBlot === void 0) { refBlot = null; }\n if (this.parent != null) {\n this.parent.children.remove(this);\n }\n var refDomNode = null;\n parentBlot.children.insertBefore(this, refBlot);\n if (refBlot != null) {\n refDomNode = refBlot.domNode;\n }\n if (this.domNode.parentNode != parentBlot.domNode ||\n this.domNode.nextSibling != refDomNode) {\n parentBlot.domNode.insertBefore(this.domNode, refDomNode);\n }\n this.parent = parentBlot;\n this.attach();\n };\n ShadowBlot.prototype.isolate = function (index, length) {\n var target = this.split(index);\n target.split(length);\n return target;\n };\n ShadowBlot.prototype.length = function () {\n return 1;\n };\n ShadowBlot.prototype.offset = function (root) {\n if (root === void 0) { root = this.parent; }\n if (this.parent == null || this == root)\n return 0;\n return this.parent.children.offset(this) + this.parent.offset(root);\n };\n ShadowBlot.prototype.optimize = function (context) {\n // TODO clean up once we use WeakMap\n // @ts-ignore\n if (this.domNode[Registry.DATA_KEY] != null) {\n // @ts-ignore\n delete this.domNode[Registry.DATA_KEY].mutations;\n }\n };\n ShadowBlot.prototype.remove = function () {\n if (this.domNode.parentNode != null) {\n this.domNode.parentNode.removeChild(this.domNode);\n }\n this.detach();\n };\n ShadowBlot.prototype.replace = function (target) {\n if (target.parent == null)\n return;\n target.parent.insertBefore(this, target.next);\n target.remove();\n };\n ShadowBlot.prototype.replaceWith = function (name, value) {\n var replacement = typeof name === 'string' ? Registry.create(name, value) : name;\n replacement.replace(this);\n return replacement;\n };\n ShadowBlot.prototype.split = function (index, force) {\n return index === 0 ? this : this.next;\n };\n ShadowBlot.prototype.update = function (mutations, context) {\n // Nothing to do by default\n };\n ShadowBlot.prototype.wrap = function (name, value) {\n var wrapper = typeof name === 'string' ? Registry.create(name, value) : name;\n if (this.parent != null) {\n this.parent.insertBefore(wrapper, this.next);\n }\n wrapper.appendChild(this);\n return wrapper;\n };\n ShadowBlot.blotName = 'abstract';\n return ShadowBlot;\n}());\nexports.default = ShadowBlot;\n\n\n/***/ }),\n/* 31 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\nObject.defineProperty(exports, \"__esModule\", { value: true });\nvar attributor_1 = __webpack_require__(12);\nvar class_1 = __webpack_require__(32);\nvar style_1 = __webpack_require__(33);\nvar Registry = __webpack_require__(1);\nvar AttributorStore = /** @class */ (function () {\n function AttributorStore(domNode) {\n this.attributes = {};\n this.domNode = domNode;\n this.build();\n }\n AttributorStore.prototype.attribute = function (attribute, value) {\n // verb\n if (value) {\n if (attribute.add(this.domNode, value)) {\n if (attribute.value(this.domNode) != null) {\n this.attributes[attribute.attrName] = attribute;\n }\n else {\n delete this.attributes[attribute.attrName];\n }\n }\n }\n else {\n attribute.remove(this.domNode);\n delete this.attributes[attribute.attrName];\n }\n };\n AttributorStore.prototype.build = function () {\n var _this = this;\n this.attributes = {};\n var attributes = attributor_1.default.keys(this.domNode);\n var classes = class_1.default.keys(this.domNode);\n var styles = style_1.default.keys(this.domNode);\n attributes\n .concat(classes)\n .concat(styles)\n .forEach(function (name) {\n var attr = Registry.query(name, Registry.Scope.ATTRIBUTE);\n if (attr instanceof attributor_1.default) {\n _this.attributes[attr.attrName] = attr;\n }\n });\n };\n AttributorStore.prototype.copy = function (target) {\n var _this = this;\n Object.keys(this.attributes).forEach(function (key) {\n var value = _this.attributes[key].value(_this.domNode);\n target.format(key, value);\n });\n };\n AttributorStore.prototype.move = function (target) {\n var _this = this;\n this.copy(target);\n Object.keys(this.attributes).forEach(function (key) {\n _this.attributes[key].remove(_this.domNode);\n });\n this.attributes = {};\n };\n AttributorStore.prototype.values = function () {\n var _this = this;\n return Object.keys(this.attributes).reduce(function (attributes, name) {\n attributes[name] = _this.attributes[name].value(_this.domNode);\n return attributes;\n }, {});\n };\n return AttributorStore;\n}());\nexports.default = AttributorStore;\n\n\n/***/ }),\n/* 32 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\nvar __extends = (this && this.__extends) || (function () {\n var extendStatics = Object.setPrototypeOf ||\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\n function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };\n return function (d, b) {\n extendStatics(d, b);\n function __() { this.constructor = d; }\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\n };\n})();\nObject.defineProperty(exports, \"__esModule\", { value: true });\nvar attributor_1 = __webpack_require__(12);\nfunction match(node, prefix) {\n var className = node.getAttribute('class') || '';\n return className.split(/\\s+/).filter(function (name) {\n return name.indexOf(prefix + \"-\") === 0;\n });\n}\nvar ClassAttributor = /** @class */ (function (_super) {\n __extends(ClassAttributor, _super);\n function ClassAttributor() {\n return _super !== null && _super.apply(this, arguments) || this;\n }\n ClassAttributor.keys = function (node) {\n return (node.getAttribute('class') || '').split(/\\s+/).map(function (name) {\n return name\n .split('-')\n .slice(0, -1)\n .join('-');\n });\n };\n ClassAttributor.prototype.add = function (node, value) {\n if (!this.canAdd(node, value))\n return false;\n this.remove(node);\n node.classList.add(this.keyName + \"-\" + value);\n return true;\n };\n ClassAttributor.prototype.remove = function (node) {\n var matches = match(node, this.keyName);\n matches.forEach(function (name) {\n node.classList.remove(name);\n });\n if (node.classList.length === 0) {\n node.removeAttribute('class');\n }\n };\n ClassAttributor.prototype.value = function (node) {\n var result = match(node, this.keyName)[0] || '';\n var value = result.slice(this.keyName.length + 1); // +1 for hyphen\n return this.canAdd(node, value) ? value : '';\n };\n return ClassAttributor;\n}(attributor_1.default));\nexports.default = ClassAttributor;\n\n\n/***/ }),\n/* 33 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\nvar __extends = (this && this.__extends) || (function () {\n var extendStatics = Object.setPrototypeOf ||\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\n function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };\n return function (d, b) {\n extendStatics(d, b);\n function __() { this.constructor = d; }\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\n };\n})();\nObject.defineProperty(exports, \"__esModule\", { value: true });\nvar attributor_1 = __webpack_require__(12);\nfunction camelize(name) {\n var parts = name.split('-');\n var rest = parts\n .slice(1)\n .map(function (part) {\n return part[0].toUpperCase() + part.slice(1);\n })\n .join('');\n return parts[0] + rest;\n}\nvar StyleAttributor = /** @class */ (function (_super) {\n __extends(StyleAttributor, _super);\n function StyleAttributor() {\n return _super !== null && _super.apply(this, arguments) || this;\n }\n StyleAttributor.keys = function (node) {\n return (node.getAttribute('style') || '').split(';').map(function (value) {\n var arr = value.split(':');\n return arr[0].trim();\n });\n };\n StyleAttributor.prototype.add = function (node, value) {\n if (!this.canAdd(node, value))\n return false;\n // @ts-ignore\n node.style[camelize(this.keyName)] = value;\n return true;\n };\n StyleAttributor.prototype.remove = function (node) {\n // @ts-ignore\n node.style[camelize(this.keyName)] = '';\n if (!node.getAttribute('style')) {\n node.removeAttribute('style');\n }\n };\n StyleAttributor.prototype.value = function (node) {\n // @ts-ignore\n var value = node.style[camelize(this.keyName)];\n return this.canAdd(node, value) ? value : '';\n };\n return StyleAttributor;\n}(attributor_1.default));\nexports.default = StyleAttributor;\n\n\n/***/ }),\n/* 34 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nvar Theme = function () {\n function Theme(quill, options) {\n _classCallCheck(this, Theme);\n\n this.quill = quill;\n this.options = options;\n this.modules = {};\n }\n\n _createClass(Theme, [{\n key: 'init',\n value: function init() {\n var _this = this;\n\n Object.keys(this.options.modules).forEach(function (name) {\n if (_this.modules[name] == null) {\n _this.addModule(name);\n }\n });\n }\n }, {\n key: 'addModule',\n value: function addModule(name) {\n var moduleClass = this.quill.constructor.import('modules/' + name);\n this.modules[name] = new moduleClass(this.quill, this.options.modules[name] || {});\n return this.modules[name];\n }\n }]);\n\n return Theme;\n}();\n\nTheme.DEFAULTS = {\n modules: {}\n};\nTheme.themes = {\n 'default': Theme\n};\n\nexports.default = Theme;\n\n/***/ }),\n/* 35 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nvar _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 (\"value\" in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } };\n\nvar _parchment = __webpack_require__(0);\n\nvar _parchment2 = _interopRequireDefault(_parchment);\n\nvar _text = __webpack_require__(7);\n\nvar _text2 = _interopRequireDefault(_text);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }\n\nvar GUARD_TEXT = '\\uFEFF';\n\nvar Embed = function (_Parchment$Embed) {\n _inherits(Embed, _Parchment$Embed);\n\n function Embed(node) {\n _classCallCheck(this, Embed);\n\n var _this = _possibleConstructorReturn(this, (Embed.__proto__ || Object.getPrototypeOf(Embed)).call(this, node));\n\n _this.contentNode = document.createElement('span');\n _this.contentNode.setAttribute('contenteditable', false);\n [].slice.call(_this.domNode.childNodes).forEach(function (childNode) {\n _this.contentNode.appendChild(childNode);\n });\n _this.leftGuard = document.createTextNode(GUARD_TEXT);\n _this.rightGuard = document.createTextNode(GUARD_TEXT);\n _this.domNode.appendChild(_this.leftGuard);\n _this.domNode.appendChild(_this.contentNode);\n _this.domNode.appendChild(_this.rightGuard);\n return _this;\n }\n\n _createClass(Embed, [{\n key: 'index',\n value: function index(node, offset) {\n if (node === this.leftGuard) return 0;\n if (node === this.rightGuard) return 1;\n return _get(Embed.prototype.__proto__ || Object.getPrototypeOf(Embed.prototype), 'index', this).call(this, node, offset);\n }\n }, {\n key: 'restore',\n value: function restore(node) {\n var range = void 0,\n textNode = void 0;\n var text = node.data.split(GUARD_TEXT).join('');\n if (node === this.leftGuard) {\n if (this.prev instanceof _text2.default) {\n var prevLength = this.prev.length();\n this.prev.insertAt(prevLength, text);\n range = {\n startNode: this.prev.domNode,\n startOffset: prevLength + text.length\n };\n } else {\n textNode = document.createTextNode(text);\n this.parent.insertBefore(_parchment2.default.create(textNode), this);\n range = {\n startNode: textNode,\n startOffset: text.length\n };\n }\n } else if (node === this.rightGuard) {\n if (this.next instanceof _text2.default) {\n this.next.insertAt(0, text);\n range = {\n startNode: this.next.domNode,\n startOffset: text.length\n };\n } else {\n textNode = document.createTextNode(text);\n this.parent.insertBefore(_parchment2.default.create(textNode), this.next);\n range = {\n startNode: textNode,\n startOffset: text.length\n };\n }\n }\n node.data = GUARD_TEXT;\n return range;\n }\n }, {\n key: 'update',\n value: function update(mutations, context) {\n var _this2 = this;\n\n mutations.forEach(function (mutation) {\n if (mutation.type === 'characterData' && (mutation.target === _this2.leftGuard || mutation.target === _this2.rightGuard)) {\n var range = _this2.restore(mutation.target);\n if (range) context.range = range;\n }\n });\n }\n }]);\n\n return Embed;\n}(_parchment2.default.Embed);\n\nexports.default = Embed;\n\n/***/ }),\n/* 36 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.AlignStyle = exports.AlignClass = exports.AlignAttribute = undefined;\n\nvar _parchment = __webpack_require__(0);\n\nvar _parchment2 = _interopRequireDefault(_parchment);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nvar config = {\n scope: _parchment2.default.Scope.BLOCK,\n whitelist: ['right', 'center', 'justify']\n};\n\nvar AlignAttribute = new _parchment2.default.Attributor.Attribute('align', 'align', config);\nvar AlignClass = new _parchment2.default.Attributor.Class('align', 'ql-align', config);\nvar AlignStyle = new _parchment2.default.Attributor.Style('align', 'text-align', config);\n\nexports.AlignAttribute = AlignAttribute;\nexports.AlignClass = AlignClass;\nexports.AlignStyle = AlignStyle;\n\n/***/ }),\n/* 37 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.BackgroundStyle = exports.BackgroundClass = undefined;\n\nvar _parchment = __webpack_require__(0);\n\nvar _parchment2 = _interopRequireDefault(_parchment);\n\nvar _color = __webpack_require__(26);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nvar BackgroundClass = new _parchment2.default.Attributor.Class('background', 'ql-bg', {\n scope: _parchment2.default.Scope.INLINE\n});\nvar BackgroundStyle = new _color.ColorAttributor('background', 'background-color', {\n scope: _parchment2.default.Scope.INLINE\n});\n\nexports.BackgroundClass = BackgroundClass;\nexports.BackgroundStyle = BackgroundStyle;\n\n/***/ }),\n/* 38 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.DirectionStyle = exports.DirectionClass = exports.DirectionAttribute = undefined;\n\nvar _parchment = __webpack_require__(0);\n\nvar _parchment2 = _interopRequireDefault(_parchment);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nvar config = {\n scope: _parchment2.default.Scope.BLOCK,\n whitelist: ['rtl']\n};\n\nvar DirectionAttribute = new _parchment2.default.Attributor.Attribute('direction', 'dir', config);\nvar DirectionClass = new _parchment2.default.Attributor.Class('direction', 'ql-direction', config);\nvar DirectionStyle = new _parchment2.default.Attributor.Style('direction', 'direction', config);\n\nexports.DirectionAttribute = DirectionAttribute;\nexports.DirectionClass = DirectionClass;\nexports.DirectionStyle = DirectionStyle;\n\n/***/ }),\n/* 39 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.FontClass = exports.FontStyle = undefined;\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nvar _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 (\"value\" in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } };\n\nvar _parchment = __webpack_require__(0);\n\nvar _parchment2 = _interopRequireDefault(_parchment);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }\n\nvar config = {\n scope: _parchment2.default.Scope.INLINE,\n whitelist: ['serif', 'monospace']\n};\n\nvar FontClass = new _parchment2.default.Attributor.Class('font', 'ql-font', config);\n\nvar FontStyleAttributor = function (_Parchment$Attributor) {\n _inherits(FontStyleAttributor, _Parchment$Attributor);\n\n function FontStyleAttributor() {\n _classCallCheck(this, FontStyleAttributor);\n\n return _possibleConstructorReturn(this, (FontStyleAttributor.__proto__ || Object.getPrototypeOf(FontStyleAttributor)).apply(this, arguments));\n }\n\n _createClass(FontStyleAttributor, [{\n key: 'value',\n value: function value(node) {\n return _get(FontStyleAttributor.prototype.__proto__ || Object.getPrototypeOf(FontStyleAttributor.prototype), 'value', this).call(this, node).replace(/[\"']/g, '');\n }\n }]);\n\n return FontStyleAttributor;\n}(_parchment2.default.Attributor.Style);\n\nvar FontStyle = new FontStyleAttributor('font', 'font-family', config);\n\nexports.FontStyle = FontStyle;\nexports.FontClass = FontClass;\n\n/***/ }),\n/* 40 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.SizeStyle = exports.SizeClass = undefined;\n\nvar _parchment = __webpack_require__(0);\n\nvar _parchment2 = _interopRequireDefault(_parchment);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nvar SizeClass = new _parchment2.default.Attributor.Class('size', 'ql-size', {\n scope: _parchment2.default.Scope.INLINE,\n whitelist: ['small', 'large', 'huge']\n});\nvar SizeStyle = new _parchment2.default.Attributor.Style('size', 'font-size', {\n scope: _parchment2.default.Scope.INLINE,\n whitelist: ['10px', '18px', '32px']\n});\n\nexports.SizeClass = SizeClass;\nexports.SizeStyle = SizeStyle;\n\n/***/ }),\n/* 41 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nmodule.exports = {\n 'align': {\n '': __webpack_require__(76),\n 'center': __webpack_require__(77),\n 'right': __webpack_require__(78),\n 'justify': __webpack_require__(79)\n },\n 'background': __webpack_require__(80),\n 'blockquote': __webpack_require__(81),\n 'bold': __webpack_require__(82),\n 'clean': __webpack_require__(83),\n 'code': __webpack_require__(58),\n 'code-block': __webpack_require__(58),\n 'color': __webpack_require__(84),\n 'direction': {\n '': __webpack_require__(85),\n 'rtl': __webpack_require__(86)\n },\n 'float': {\n 'center': __webpack_require__(87),\n 'full': __webpack_require__(88),\n 'left': __webpack_require__(89),\n 'right': __webpack_require__(90)\n },\n 'formula': __webpack_require__(91),\n 'header': {\n '1': __webpack_require__(92),\n '2': __webpack_require__(93)\n },\n 'italic': __webpack_require__(94),\n 'image': __webpack_require__(95),\n 'indent': {\n '+1': __webpack_require__(96),\n '-1': __webpack_require__(97)\n },\n 'link': __webpack_require__(98),\n 'list': {\n 'ordered': __webpack_require__(99),\n 'bullet': __webpack_require__(100),\n 'check': __webpack_require__(101)\n },\n 'script': {\n 'sub': __webpack_require__(102),\n 'super': __webpack_require__(103)\n },\n 'strike': __webpack_require__(104),\n 'underline': __webpack_require__(105),\n 'video': __webpack_require__(106)\n};\n\n/***/ }),\n/* 42 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.getLastChangeIndex = exports.default = undefined;\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nvar _parchment = __webpack_require__(0);\n\nvar _parchment2 = _interopRequireDefault(_parchment);\n\nvar _quill = __webpack_require__(5);\n\nvar _quill2 = _interopRequireDefault(_quill);\n\nvar _module = __webpack_require__(9);\n\nvar _module2 = _interopRequireDefault(_module);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }\n\nvar History = function (_Module) {\n _inherits(History, _Module);\n\n function History(quill, options) {\n _classCallCheck(this, History);\n\n var _this = _possibleConstructorReturn(this, (History.__proto__ || Object.getPrototypeOf(History)).call(this, quill, options));\n\n _this.lastRecorded = 0;\n _this.ignoreChange = false;\n _this.clear();\n _this.quill.on(_quill2.default.events.EDITOR_CHANGE, function (eventName, delta, oldDelta, source) {\n if (eventName !== _quill2.default.events.TEXT_CHANGE || _this.ignoreChange) return;\n if (!_this.options.userOnly || source === _quill2.default.sources.USER) {\n _this.record(delta, oldDelta);\n } else {\n _this.transform(delta);\n }\n });\n _this.quill.keyboard.addBinding({ key: 'Z', shortKey: true }, _this.undo.bind(_this));\n _this.quill.keyboard.addBinding({ key: 'Z', shortKey: true, shiftKey: true }, _this.redo.bind(_this));\n if (/Win/i.test(navigator.platform)) {\n _this.quill.keyboard.addBinding({ key: 'Y', shortKey: true }, _this.redo.bind(_this));\n }\n return _this;\n }\n\n _createClass(History, [{\n key: 'change',\n value: function change(source, dest) {\n if (this.stack[source].length === 0) return;\n var delta = this.stack[source].pop();\n this.stack[dest].push(delta);\n this.lastRecorded = 0;\n this.ignoreChange = true;\n this.quill.updateContents(delta[source], _quill2.default.sources.USER);\n this.ignoreChange = false;\n var index = getLastChangeIndex(delta[source]);\n this.quill.setSelection(index);\n }\n }, {\n key: 'clear',\n value: function clear() {\n this.stack = { undo: [], redo: [] };\n }\n }, {\n key: 'cutoff',\n value: function cutoff() {\n this.lastRecorded = 0;\n }\n }, {\n key: 'record',\n value: function record(changeDelta, oldDelta) {\n if (changeDelta.ops.length === 0) return;\n this.stack.redo = [];\n var undoDelta = this.quill.getContents().diff(oldDelta);\n var timestamp = Date.now();\n if (this.lastRecorded + this.options.delay > timestamp && this.stack.undo.length > 0) {\n var delta = this.stack.undo.pop();\n undoDelta = undoDelta.compose(delta.undo);\n changeDelta = delta.redo.compose(changeDelta);\n } else {\n this.lastRecorded = timestamp;\n }\n this.stack.undo.push({\n redo: changeDelta,\n undo: undoDelta\n });\n if (this.stack.undo.length > this.options.maxStack) {\n this.stack.undo.shift();\n }\n }\n }, {\n key: 'redo',\n value: function redo() {\n this.change('redo', 'undo');\n }\n }, {\n key: 'transform',\n value: function transform(delta) {\n this.stack.undo.forEach(function (change) {\n change.undo = delta.transform(change.undo, true);\n change.redo = delta.transform(change.redo, true);\n });\n this.stack.redo.forEach(function (change) {\n change.undo = delta.transform(change.undo, true);\n change.redo = delta.transform(change.redo, true);\n });\n }\n }, {\n key: 'undo',\n value: function undo() {\n this.change('undo', 'redo');\n }\n }]);\n\n return History;\n}(_module2.default);\n\nHistory.DEFAULTS = {\n delay: 1000,\n maxStack: 100,\n userOnly: false\n};\n\nfunction endsWithNewlineChange(delta) {\n var lastOp = delta.ops[delta.ops.length - 1];\n if (lastOp == null) return false;\n if (lastOp.insert != null) {\n return typeof lastOp.insert === 'string' && lastOp.insert.endsWith('\\n');\n }\n if (lastOp.attributes != null) {\n return Object.keys(lastOp.attributes).some(function (attr) {\n return _parchment2.default.query(attr, _parchment2.default.Scope.BLOCK) != null;\n });\n }\n return false;\n}\n\nfunction getLastChangeIndex(delta) {\n var deleteLength = delta.reduce(function (length, op) {\n length += op.delete || 0;\n return length;\n }, 0);\n var changeIndex = delta.length() - deleteLength;\n if (endsWithNewlineChange(delta)) {\n changeIndex -= 1;\n }\n return changeIndex;\n}\n\nexports.default = History;\nexports.getLastChangeIndex = getLastChangeIndex;\n\n/***/ }),\n/* 43 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.default = exports.BaseTooltip = undefined;\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nvar _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 (\"value\" in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } };\n\nvar _extend = __webpack_require__(3);\n\nvar _extend2 = _interopRequireDefault(_extend);\n\nvar _quillDelta = __webpack_require__(2);\n\nvar _quillDelta2 = _interopRequireDefault(_quillDelta);\n\nvar _emitter = __webpack_require__(8);\n\nvar _emitter2 = _interopRequireDefault(_emitter);\n\nvar _keyboard = __webpack_require__(23);\n\nvar _keyboard2 = _interopRequireDefault(_keyboard);\n\nvar _theme = __webpack_require__(34);\n\nvar _theme2 = _interopRequireDefault(_theme);\n\nvar _colorPicker = __webpack_require__(59);\n\nvar _colorPicker2 = _interopRequireDefault(_colorPicker);\n\nvar _iconPicker = __webpack_require__(60);\n\nvar _iconPicker2 = _interopRequireDefault(_iconPicker);\n\nvar _picker = __webpack_require__(28);\n\nvar _picker2 = _interopRequireDefault(_picker);\n\nvar _tooltip = __webpack_require__(61);\n\nvar _tooltip2 = _interopRequireDefault(_tooltip);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }\n\nvar ALIGNS = [false, 'center', 'right', 'justify'];\n\nvar COLORS = [\"#000000\", \"#e60000\", \"#ff9900\", \"#ffff00\", \"#008a00\", \"#0066cc\", \"#9933ff\", \"#ffffff\", \"#facccc\", \"#ffebcc\", \"#ffffcc\", \"#cce8cc\", \"#cce0f5\", \"#ebd6ff\", \"#bbbbbb\", \"#f06666\", \"#ffc266\", \"#ffff66\", \"#66b966\", \"#66a3e0\", \"#c285ff\", \"#888888\", \"#a10000\", \"#b26b00\", \"#b2b200\", \"#006100\", \"#0047b2\", \"#6b24b2\", \"#444444\", \"#5c0000\", \"#663d00\", \"#666600\", \"#003700\", \"#002966\", \"#3d1466\"];\n\nvar FONTS = [false, 'serif', 'monospace'];\n\nvar HEADERS = ['1', '2', '3', false];\n\nvar SIZES = ['small', false, 'large', 'huge'];\n\nvar BaseTheme = function (_Theme) {\n _inherits(BaseTheme, _Theme);\n\n function BaseTheme(quill, options) {\n _classCallCheck(this, BaseTheme);\n\n var _this = _possibleConstructorReturn(this, (BaseTheme.__proto__ || Object.getPrototypeOf(BaseTheme)).call(this, quill, options));\n\n var listener = function listener(e) {\n if (!document.body.contains(quill.root)) {\n return document.body.removeEventListener('click', listener);\n }\n if (_this.tooltip != null && !_this.tooltip.root.contains(e.target) && document.activeElement !== _this.tooltip.textbox && !_this.quill.hasFocus()) {\n _this.tooltip.hide();\n }\n if (_this.pickers != null) {\n _this.pickers.forEach(function (picker) {\n if (!picker.container.contains(e.target)) {\n picker.close();\n }\n });\n }\n };\n quill.emitter.listenDOM('click', document.body, listener);\n return _this;\n }\n\n _createClass(BaseTheme, [{\n key: 'addModule',\n value: function addModule(name) {\n var module = _get(BaseTheme.prototype.__proto__ || Object.getPrototypeOf(BaseTheme.prototype), 'addModule', this).call(this, name);\n if (name === 'toolbar') {\n this.extendToolbar(module);\n }\n return module;\n }\n }, {\n key: 'buildButtons',\n value: function buildButtons(buttons, icons) {\n buttons.forEach(function (button) {\n var className = button.getAttribute('class') || '';\n className.split(/\\s+/).forEach(function (name) {\n if (!name.startsWith('ql-')) return;\n name = name.slice('ql-'.length);\n if (icons[name] == null) return;\n if (name === 'direction') {\n button.innerHTML = icons[name][''] + icons[name]['rtl'];\n } else if (typeof icons[name] === 'string') {\n button.innerHTML = icons[name];\n } else {\n var value = button.value || '';\n if (value != null && icons[name][value]) {\n button.innerHTML = icons[name][value];\n }\n }\n });\n });\n }\n }, {\n key: 'buildPickers',\n value: function buildPickers(selects, icons) {\n var _this2 = this;\n\n this.pickers = selects.map(function (select) {\n if (select.classList.contains('ql-align')) {\n if (select.querySelector('option') == null) {\n fillSelect(select, ALIGNS);\n }\n return new _iconPicker2.default(select, icons.align);\n } else if (select.classList.contains('ql-background') || select.classList.contains('ql-color')) {\n var format = select.classList.contains('ql-background') ? 'background' : 'color';\n if (select.querySelector('option') == null) {\n fillSelect(select, COLORS, format === 'background' ? '#ffffff' : '#000000');\n }\n return new _colorPicker2.default(select, icons[format]);\n } else {\n if (select.querySelector('option') == null) {\n if (select.classList.contains('ql-font')) {\n fillSelect(select, FONTS);\n } else if (select.classList.contains('ql-header')) {\n fillSelect(select, HEADERS);\n } else if (select.classList.contains('ql-size')) {\n fillSelect(select, SIZES);\n }\n }\n return new _picker2.default(select);\n }\n });\n var update = function update() {\n _this2.pickers.forEach(function (picker) {\n picker.update();\n });\n };\n this.quill.on(_emitter2.default.events.EDITOR_CHANGE, update);\n }\n }]);\n\n return BaseTheme;\n}(_theme2.default);\n\nBaseTheme.DEFAULTS = (0, _extend2.default)(true, {}, _theme2.default.DEFAULTS, {\n modules: {\n toolbar: {\n handlers: {\n formula: function formula() {\n this.quill.theme.tooltip.edit('formula');\n },\n image: function image() {\n var _this3 = this;\n\n var fileInput = this.container.querySelector('input.ql-image[type=file]');\n if (fileInput == null) {\n fileInput = document.createElement('input');\n fileInput.setAttribute('type', 'file');\n fileInput.setAttribute('accept', 'image/png, image/gif, image/jpeg, image/bmp, image/x-icon');\n fileInput.classList.add('ql-image');\n fileInput.addEventListener('change', function () {\n if (fileInput.files != null && fileInput.files[0] != null) {\n var reader = new FileReader();\n reader.onload = function (e) {\n var range = _this3.quill.getSelection(true);\n _this3.quill.updateContents(new _quillDelta2.default().retain(range.index).delete(range.length).insert({ image: e.target.result }), _emitter2.default.sources.USER);\n _this3.quill.setSelection(range.index + 1, _emitter2.default.sources.SILENT);\n fileInput.value = \"\";\n };\n reader.readAsDataURL(fileInput.files[0]);\n }\n });\n this.container.appendChild(fileInput);\n }\n fileInput.click();\n },\n video: function video() {\n this.quill.theme.tooltip.edit('video');\n }\n }\n }\n }\n});\n\nvar BaseTooltip = function (_Tooltip) {\n _inherits(BaseTooltip, _Tooltip);\n\n function BaseTooltip(quill, boundsContainer) {\n _classCallCheck(this, BaseTooltip);\n\n var _this4 = _possibleConstructorReturn(this, (BaseTooltip.__proto__ || Object.getPrototypeOf(BaseTooltip)).call(this, quill, boundsContainer));\n\n _this4.textbox = _this4.root.querySelector('input[type=\"text\"]');\n _this4.listen();\n return _this4;\n }\n\n _createClass(BaseTooltip, [{\n key: 'listen',\n value: function listen() {\n var _this5 = this;\n\n this.textbox.addEventListener('keydown', function (event) {\n if (_keyboard2.default.match(event, 'enter')) {\n _this5.save();\n event.preventDefault();\n } else if (_keyboard2.default.match(event, 'escape')) {\n _this5.cancel();\n event.preventDefault();\n }\n });\n }\n }, {\n key: 'cancel',\n value: function cancel() {\n this.hide();\n }\n }, {\n key: 'edit',\n value: function edit() {\n var mode = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 'link';\n var preview = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;\n\n this.root.classList.remove('ql-hidden');\n this.root.classList.add('ql-editing');\n if (preview != null) {\n this.textbox.value = preview;\n } else if (mode !== this.root.getAttribute('data-mode')) {\n this.textbox.value = '';\n }\n this.position(this.quill.getBounds(this.quill.selection.savedRange));\n this.textbox.select();\n this.textbox.setAttribute('placeholder', this.textbox.getAttribute('data-' + mode) || '');\n this.root.setAttribute('data-mode', mode);\n }\n }, {\n key: 'restoreFocus',\n value: function restoreFocus() {\n var scrollTop = this.quill.scrollingContainer.scrollTop;\n this.quill.focus();\n this.quill.scrollingContainer.scrollTop = scrollTop;\n }\n }, {\n key: 'save',\n value: function save() {\n var value = this.textbox.value;\n switch (this.root.getAttribute('data-mode')) {\n case 'link':\n {\n var scrollTop = this.quill.root.scrollTop;\n if (this.linkRange) {\n this.quill.formatText(this.linkRange, 'link', value, _emitter2.default.sources.USER);\n delete this.linkRange;\n } else {\n this.restoreFocus();\n this.quill.format('link', value, _emitter2.default.sources.USER);\n }\n this.quill.root.scrollTop = scrollTop;\n break;\n }\n case 'video':\n {\n value = extractVideoUrl(value);\n } // eslint-disable-next-line no-fallthrough\n case 'formula':\n {\n if (!value) break;\n var range = this.quill.getSelection(true);\n if (range != null) {\n var index = range.index + range.length;\n this.quill.insertEmbed(index, this.root.getAttribute('data-mode'), value, _emitter2.default.sources.USER);\n if (this.root.getAttribute('data-mode') === 'formula') {\n this.quill.insertText(index + 1, ' ', _emitter2.default.sources.USER);\n }\n this.quill.setSelection(index + 2, _emitter2.default.sources.USER);\n }\n break;\n }\n default:\n }\n this.textbox.value = '';\n this.hide();\n }\n }]);\n\n return BaseTooltip;\n}(_tooltip2.default);\n\nfunction extractVideoUrl(url) {\n var match = url.match(/^(?:(https?):\\/\\/)?(?:(?:www|m)\\.)?youtube\\.com\\/watch.*v=([a-zA-Z0-9_-]+)/) || url.match(/^(?:(https?):\\/\\/)?(?:(?:www|m)\\.)?youtu\\.be\\/([a-zA-Z0-9_-]+)/);\n if (match) {\n return (match[1] || 'https') + '://www.youtube.com/embed/' + match[2] + '?showinfo=0';\n }\n if (match = url.match(/^(?:(https?):\\/\\/)?(?:www\\.)?vimeo\\.com\\/(\\d+)/)) {\n // eslint-disable-line no-cond-assign\n return (match[1] || 'https') + '://player.vimeo.com/video/' + match[2] + '/';\n }\n return url;\n}\n\nfunction fillSelect(select, values) {\n var defaultValue = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;\n\n values.forEach(function (value) {\n var option = document.createElement('option');\n if (value === defaultValue) {\n option.setAttribute('selected', 'selected');\n } else {\n option.setAttribute('value', value);\n }\n select.appendChild(option);\n });\n}\n\nexports.BaseTooltip = BaseTooltip;\nexports.default = BaseTheme;\n\n/***/ }),\n/* 44 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\nObject.defineProperty(exports, \"__esModule\", { value: true });\nvar LinkedList = /** @class */ (function () {\n function LinkedList() {\n this.head = this.tail = null;\n this.length = 0;\n }\n LinkedList.prototype.append = function () {\n var nodes = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n nodes[_i] = arguments[_i];\n }\n this.insertBefore(nodes[0], null);\n if (nodes.length > 1) {\n this.append.apply(this, nodes.slice(1));\n }\n };\n LinkedList.prototype.contains = function (node) {\n var cur, next = this.iterator();\n while ((cur = next())) {\n if (cur === node)\n return true;\n }\n return false;\n };\n LinkedList.prototype.insertBefore = function (node, refNode) {\n if (!node)\n return;\n node.next = refNode;\n if (refNode != null) {\n node.prev = refNode.prev;\n if (refNode.prev != null) {\n refNode.prev.next = node;\n }\n refNode.prev = node;\n if (refNode === this.head) {\n this.head = node;\n }\n }\n else if (this.tail != null) {\n this.tail.next = node;\n node.prev = this.tail;\n this.tail = node;\n }\n else {\n node.prev = null;\n this.head = this.tail = node;\n }\n this.length += 1;\n };\n LinkedList.prototype.offset = function (target) {\n var index = 0, cur = this.head;\n while (cur != null) {\n if (cur === target)\n return index;\n index += cur.length();\n cur = cur.next;\n }\n return -1;\n };\n LinkedList.prototype.remove = function (node) {\n if (!this.contains(node))\n return;\n if (node.prev != null)\n node.prev.next = node.next;\n if (node.next != null)\n node.next.prev = node.prev;\n if (node === this.head)\n this.head = node.next;\n if (node === this.tail)\n this.tail = node.prev;\n this.length -= 1;\n };\n LinkedList.prototype.iterator = function (curNode) {\n if (curNode === void 0) { curNode = this.head; }\n // TODO use yield when we can\n return function () {\n var ret = curNode;\n if (curNode != null)\n curNode = curNode.next;\n return ret;\n };\n };\n LinkedList.prototype.find = function (index, inclusive) {\n if (inclusive === void 0) { inclusive = false; }\n var cur, next = this.iterator();\n while ((cur = next())) {\n var length = cur.length();\n if (index < length ||\n (inclusive && index === length && (cur.next == null || cur.next.length() !== 0))) {\n return [cur, index];\n }\n index -= length;\n }\n return [null, 0];\n };\n LinkedList.prototype.forEach = function (callback) {\n var cur, next = this.iterator();\n while ((cur = next())) {\n callback(cur);\n }\n };\n LinkedList.prototype.forEachAt = function (index, length, callback) {\n if (length <= 0)\n return;\n var _a = this.find(index), startNode = _a[0], offset = _a[1];\n var cur, curIndex = index - offset, next = this.iterator(startNode);\n while ((cur = next()) && curIndex < index + length) {\n var curLength = cur.length();\n if (index > curIndex) {\n callback(cur, index - curIndex, Math.min(length, curIndex + curLength - index));\n }\n else {\n callback(cur, 0, Math.min(curLength, index + length - curIndex));\n }\n curIndex += curLength;\n }\n };\n LinkedList.prototype.map = function (callback) {\n return this.reduce(function (memo, cur) {\n memo.push(callback(cur));\n return memo;\n }, []);\n };\n LinkedList.prototype.reduce = function (callback, memo) {\n var cur, next = this.iterator();\n while ((cur = next())) {\n memo = callback(memo, cur);\n }\n return memo;\n };\n return LinkedList;\n}());\nexports.default = LinkedList;\n\n\n/***/ }),\n/* 45 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\nvar __extends = (this && this.__extends) || (function () {\n var extendStatics = Object.setPrototypeOf ||\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\n function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };\n return function (d, b) {\n extendStatics(d, b);\n function __() { this.constructor = d; }\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\n };\n})();\nObject.defineProperty(exports, \"__esModule\", { value: true });\nvar container_1 = __webpack_require__(17);\nvar Registry = __webpack_require__(1);\nvar OBSERVER_CONFIG = {\n attributes: true,\n characterData: true,\n characterDataOldValue: true,\n childList: true,\n subtree: true,\n};\nvar MAX_OPTIMIZE_ITERATIONS = 100;\nvar ScrollBlot = /** @class */ (function (_super) {\n __extends(ScrollBlot, _super);\n function ScrollBlot(node) {\n var _this = _super.call(this, node) || this;\n _this.scroll = _this;\n _this.observer = new MutationObserver(function (mutations) {\n _this.update(mutations);\n });\n _this.observer.observe(_this.domNode, OBSERVER_CONFIG);\n _this.attach();\n return _this;\n }\n ScrollBlot.prototype.detach = function () {\n _super.prototype.detach.call(this);\n this.observer.disconnect();\n };\n ScrollBlot.prototype.deleteAt = function (index, length) {\n this.update();\n if (index === 0 && length === this.length()) {\n this.children.forEach(function (child) {\n child.remove();\n });\n }\n else {\n _super.prototype.deleteAt.call(this, index, length);\n }\n };\n ScrollBlot.prototype.formatAt = function (index, length, name, value) {\n this.update();\n _super.prototype.formatAt.call(this, index, length, name, value);\n };\n ScrollBlot.prototype.insertAt = function (index, value, def) {\n this.update();\n _super.prototype.insertAt.call(this, index, value, def);\n };\n ScrollBlot.prototype.optimize = function (mutations, context) {\n var _this = this;\n if (mutations === void 0) { mutations = []; }\n if (context === void 0) { context = {}; }\n _super.prototype.optimize.call(this, context);\n // We must modify mutations directly, cannot make copy and then modify\n var records = [].slice.call(this.observer.takeRecords());\n // Array.push currently seems to be implemented by a non-tail recursive function\n // so we cannot just mutations.push.apply(mutations, this.observer.takeRecords());\n while (records.length > 0)\n mutations.push(records.pop());\n // TODO use WeakMap\n var mark = function (blot, markParent) {\n if (markParent === void 0) { markParent = true; }\n if (blot == null || blot === _this)\n return;\n if (blot.domNode.parentNode == null)\n return;\n // @ts-ignore\n if (blot.domNode[Registry.DATA_KEY].mutations == null) {\n // @ts-ignore\n blot.domNode[Registry.DATA_KEY].mutations = [];\n }\n if (markParent)\n mark(blot.parent);\n };\n var optimize = function (blot) {\n // Post-order traversal\n if (\n // @ts-ignore\n blot.domNode[Registry.DATA_KEY] == null ||\n // @ts-ignore\n blot.domNode[Registry.DATA_KEY].mutations == null) {\n return;\n }\n if (blot instanceof container_1.default) {\n blot.children.forEach(optimize);\n }\n blot.optimize(context);\n };\n var remaining = mutations;\n for (var i = 0; remaining.length > 0; i += 1) {\n if (i >= MAX_OPTIMIZE_ITERATIONS) {\n throw new Error('[Parchment] Maximum optimize iterations reached');\n }\n remaining.forEach(function (mutation) {\n var blot = Registry.find(mutation.target, true);\n if (blot == null)\n return;\n if (blot.domNode === mutation.target) {\n if (mutation.type === 'childList') {\n mark(Registry.find(mutation.previousSibling, false));\n [].forEach.call(mutation.addedNodes, function (node) {\n var child = Registry.find(node, false);\n mark(child, false);\n if (child instanceof container_1.default) {\n child.children.forEach(function (grandChild) {\n mark(grandChild, false);\n });\n }\n });\n }\n else if (mutation.type === 'attributes') {\n mark(blot.prev);\n }\n }\n mark(blot);\n });\n this.children.forEach(optimize);\n remaining = [].slice.call(this.observer.takeRecords());\n records = remaining.slice();\n while (records.length > 0)\n mutations.push(records.pop());\n }\n };\n ScrollBlot.prototype.update = function (mutations, context) {\n var _this = this;\n if (context === void 0) { context = {}; }\n mutations = mutations || this.observer.takeRecords();\n // TODO use WeakMap\n mutations\n .map(function (mutation) {\n var blot = Registry.find(mutation.target, true);\n if (blot == null)\n return null;\n // @ts-ignore\n if (blot.domNode[Registry.DATA_KEY].mutations == null) {\n // @ts-ignore\n blot.domNode[Registry.DATA_KEY].mutations = [mutation];\n return blot;\n }\n else {\n // @ts-ignore\n blot.domNode[Registry.DATA_KEY].mutations.push(mutation);\n return null;\n }\n })\n .forEach(function (blot) {\n if (blot == null ||\n blot === _this ||\n //@ts-ignore\n blot.domNode[Registry.DATA_KEY] == null)\n return;\n // @ts-ignore\n blot.update(blot.domNode[Registry.DATA_KEY].mutations || [], context);\n });\n // @ts-ignore\n if (this.domNode[Registry.DATA_KEY].mutations != null) {\n // @ts-ignore\n _super.prototype.update.call(this, this.domNode[Registry.DATA_KEY].mutations, context);\n }\n this.optimize(mutations, context);\n };\n ScrollBlot.blotName = 'scroll';\n ScrollBlot.defaultChild = 'block';\n ScrollBlot.scope = Registry.Scope.BLOCK_BLOT;\n ScrollBlot.tagName = 'DIV';\n return ScrollBlot;\n}(container_1.default));\nexports.default = ScrollBlot;\n\n\n/***/ }),\n/* 46 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\nvar __extends = (this && this.__extends) || (function () {\n var extendStatics = Object.setPrototypeOf ||\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\n function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };\n return function (d, b) {\n extendStatics(d, b);\n function __() { this.constructor = d; }\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\n };\n})();\nObject.defineProperty(exports, \"__esModule\", { value: true });\nvar format_1 = __webpack_require__(18);\nvar Registry = __webpack_require__(1);\n// Shallow object comparison\nfunction isEqual(obj1, obj2) {\n if (Object.keys(obj1).length !== Object.keys(obj2).length)\n return false;\n // @ts-ignore\n for (var prop in obj1) {\n // @ts-ignore\n if (obj1[prop] !== obj2[prop])\n return false;\n }\n return true;\n}\nvar InlineBlot = /** @class */ (function (_super) {\n __extends(InlineBlot, _super);\n function InlineBlot() {\n return _super !== null && _super.apply(this, arguments) || this;\n }\n InlineBlot.formats = function (domNode) {\n if (domNode.tagName === InlineBlot.tagName)\n return undefined;\n return _super.formats.call(this, domNode);\n };\n InlineBlot.prototype.format = function (name, value) {\n var _this = this;\n if (name === this.statics.blotName && !value) {\n this.children.forEach(function (child) {\n if (!(child instanceof format_1.default)) {\n child = child.wrap(InlineBlot.blotName, true);\n }\n _this.attributes.copy(child);\n });\n this.unwrap();\n }\n else {\n _super.prototype.format.call(this, name, value);\n }\n };\n InlineBlot.prototype.formatAt = function (index, length, name, value) {\n if (this.formats()[name] != null || Registry.query(name, Registry.Scope.ATTRIBUTE)) {\n var blot = this.isolate(index, length);\n blot.format(name, value);\n }\n else {\n _super.prototype.formatAt.call(this, index, length, name, value);\n }\n };\n InlineBlot.prototype.optimize = function (context) {\n _super.prototype.optimize.call(this, context);\n var formats = this.formats();\n if (Object.keys(formats).length === 0) {\n return this.unwrap(); // unformatted span\n }\n var next = this.next;\n if (next instanceof InlineBlot && next.prev === this && isEqual(formats, next.formats())) {\n next.moveChildren(this);\n next.remove();\n }\n };\n InlineBlot.blotName = 'inline';\n InlineBlot.scope = Registry.Scope.INLINE_BLOT;\n InlineBlot.tagName = 'SPAN';\n return InlineBlot;\n}(format_1.default));\nexports.default = InlineBlot;\n\n\n/***/ }),\n/* 47 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\nvar __extends = (this && this.__extends) || (function () {\n var extendStatics = Object.setPrototypeOf ||\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\n function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };\n return function (d, b) {\n extendStatics(d, b);\n function __() { this.constructor = d; }\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\n };\n})();\nObject.defineProperty(exports, \"__esModule\", { value: true });\nvar format_1 = __webpack_require__(18);\nvar Registry = __webpack_require__(1);\nvar BlockBlot = /** @class */ (function (_super) {\n __extends(BlockBlot, _super);\n function BlockBlot() {\n return _super !== null && _super.apply(this, arguments) || this;\n }\n BlockBlot.formats = function (domNode) {\n var tagName = Registry.query(BlockBlot.blotName).tagName;\n if (domNode.tagName === tagName)\n return undefined;\n return _super.formats.call(this, domNode);\n };\n BlockBlot.prototype.format = function (name, value) {\n if (Registry.query(name, Registry.Scope.BLOCK) == null) {\n return;\n }\n else if (name === this.statics.blotName && !value) {\n this.replaceWith(BlockBlot.blotName);\n }\n else {\n _super.prototype.format.call(this, name, value);\n }\n };\n BlockBlot.prototype.formatAt = function (index, length, name, value) {\n if (Registry.query(name, Registry.Scope.BLOCK) != null) {\n this.format(name, value);\n }\n else {\n _super.prototype.formatAt.call(this, index, length, name, value);\n }\n };\n BlockBlot.prototype.insertAt = function (index, value, def) {\n if (def == null || Registry.query(value, Registry.Scope.INLINE) != null) {\n // Insert text or inline\n _super.prototype.insertAt.call(this, index, value, def);\n }\n else {\n var after = this.split(index);\n var blot = Registry.create(value, def);\n after.parent.insertBefore(blot, after);\n }\n };\n BlockBlot.prototype.update = function (mutations, context) {\n if (navigator.userAgent.match(/Trident/)) {\n this.build();\n }\n else {\n _super.prototype.update.call(this, mutations, context);\n }\n };\n BlockBlot.blotName = 'block';\n BlockBlot.scope = Registry.Scope.BLOCK_BLOT;\n BlockBlot.tagName = 'P';\n return BlockBlot;\n}(format_1.default));\nexports.default = BlockBlot;\n\n\n/***/ }),\n/* 48 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\nvar __extends = (this && this.__extends) || (function () {\n var extendStatics = Object.setPrototypeOf ||\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\n function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };\n return function (d, b) {\n extendStatics(d, b);\n function __() { this.constructor = d; }\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\n };\n})();\nObject.defineProperty(exports, \"__esModule\", { value: true });\nvar leaf_1 = __webpack_require__(19);\nvar EmbedBlot = /** @class */ (function (_super) {\n __extends(EmbedBlot, _super);\n function EmbedBlot() {\n return _super !== null && _super.apply(this, arguments) || this;\n }\n EmbedBlot.formats = function (domNode) {\n return undefined;\n };\n EmbedBlot.prototype.format = function (name, value) {\n // super.formatAt wraps, which is what we want in general,\n // but this allows subclasses to overwrite for formats\n // that just apply to particular embeds\n _super.prototype.formatAt.call(this, 0, this.length(), name, value);\n };\n EmbedBlot.prototype.formatAt = function (index, length, name, value) {\n if (index === 0 && length === this.length()) {\n this.format(name, value);\n }\n else {\n _super.prototype.formatAt.call(this, index, length, name, value);\n }\n };\n EmbedBlot.prototype.formats = function () {\n return this.statics.formats(this.domNode);\n };\n return EmbedBlot;\n}(leaf_1.default));\nexports.default = EmbedBlot;\n\n\n/***/ }),\n/* 49 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\nvar __extends = (this && this.__extends) || (function () {\n var extendStatics = Object.setPrototypeOf ||\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\n function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };\n return function (d, b) {\n extendStatics(d, b);\n function __() { this.constructor = d; }\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\n };\n})();\nObject.defineProperty(exports, \"__esModule\", { value: true });\nvar leaf_1 = __webpack_require__(19);\nvar Registry = __webpack_require__(1);\nvar TextBlot = /** @class */ (function (_super) {\n __extends(TextBlot, _super);\n function TextBlot(node) {\n var _this = _super.call(this, node) || this;\n _this.text = _this.statics.value(_this.domNode);\n return _this;\n }\n TextBlot.create = function (value) {\n return document.createTextNode(value);\n };\n TextBlot.value = function (domNode) {\n var text = domNode.data;\n // @ts-ignore\n if (text['normalize'])\n text = text['normalize']();\n return text;\n };\n TextBlot.prototype.deleteAt = function (index, length) {\n this.domNode.data = this.text = this.text.slice(0, index) + this.text.slice(index + length);\n };\n TextBlot.prototype.index = function (node, offset) {\n if (this.domNode === node) {\n return offset;\n }\n return -1;\n };\n TextBlot.prototype.insertAt = function (index, value, def) {\n if (def == null) {\n this.text = this.text.slice(0, index) + value + this.text.slice(index);\n this.domNode.data = this.text;\n }\n else {\n _super.prototype.insertAt.call(this, index, value, def);\n }\n };\n TextBlot.prototype.length = function () {\n return this.text.length;\n };\n TextBlot.prototype.optimize = function (context) {\n _super.prototype.optimize.call(this, context);\n this.text = this.statics.value(this.domNode);\n if (this.text.length === 0) {\n this.remove();\n }\n else if (this.next instanceof TextBlot && this.next.prev === this) {\n this.insertAt(this.length(), this.next.value());\n this.next.remove();\n }\n };\n TextBlot.prototype.position = function (index, inclusive) {\n if (inclusive === void 0) { inclusive = false; }\n return [this.domNode, index];\n };\n TextBlot.prototype.split = function (index, force) {\n if (force === void 0) { force = false; }\n if (!force) {\n if (index === 0)\n return this;\n if (index === this.length())\n return this.next;\n }\n var after = Registry.create(this.domNode.splitText(index));\n this.parent.insertBefore(after, this.next);\n this.text = this.statics.value(this.domNode);\n return after;\n };\n TextBlot.prototype.update = function (mutations, context) {\n var _this = this;\n if (mutations.some(function (mutation) {\n return mutation.type === 'characterData' && mutation.target === _this.domNode;\n })) {\n this.text = this.statics.value(this.domNode);\n }\n };\n TextBlot.prototype.value = function () {\n return this.text;\n };\n TextBlot.blotName = 'text';\n TextBlot.scope = Registry.Scope.INLINE_BLOT;\n return TextBlot;\n}(leaf_1.default));\nexports.default = TextBlot;\n\n\n/***/ }),\n/* 50 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nvar elem = document.createElement('div');\nelem.classList.toggle('test-class', false);\nif (elem.classList.contains('test-class')) {\n var _toggle = DOMTokenList.prototype.toggle;\n DOMTokenList.prototype.toggle = function (token, force) {\n if (arguments.length > 1 && !this.contains(token) === !force) {\n return force;\n } else {\n return _toggle.call(this, token);\n }\n };\n}\n\nif (!String.prototype.startsWith) {\n String.prototype.startsWith = function (searchString, position) {\n position = position || 0;\n return this.substr(position, searchString.length) === searchString;\n };\n}\n\nif (!String.prototype.endsWith) {\n String.prototype.endsWith = function (searchString, position) {\n var subjectString = this.toString();\n if (typeof position !== 'number' || !isFinite(position) || Math.floor(position) !== position || position > subjectString.length) {\n position = subjectString.length;\n }\n position -= searchString.length;\n var lastIndex = subjectString.indexOf(searchString, position);\n return lastIndex !== -1 && lastIndex === position;\n };\n}\n\nif (!Array.prototype.find) {\n Object.defineProperty(Array.prototype, \"find\", {\n value: function value(predicate) {\n if (this === null) {\n throw new TypeError('Array.prototype.find called on null or undefined');\n }\n if (typeof predicate !== 'function') {\n throw new TypeError('predicate must be a function');\n }\n var list = Object(this);\n var length = list.length >>> 0;\n var thisArg = arguments[1];\n var value;\n\n for (var i = 0; i < length; i++) {\n value = list[i];\n if (predicate.call(thisArg, value, i, list)) {\n return value;\n }\n }\n return undefined;\n }\n });\n}\n\ndocument.addEventListener(\"DOMContentLoaded\", function () {\n // Disable resizing in Firefox\n document.execCommand(\"enableObjectResizing\", false, false);\n // Disable automatic linkifying in IE11\n document.execCommand(\"autoUrlDetect\", false, false);\n});\n\n/***/ }),\n/* 51 */\n/***/ (function(module, exports) {\n\n/**\n * This library modifies the diff-patch-match library by Neil Fraser\n * by removing the patch and match functionality and certain advanced\n * options in the diff function. The original license is as follows:\n *\n * ===\n *\n * Diff Match and Patch\n *\n * Copyright 2006 Google Inc.\n * http://code.google.com/p/google-diff-match-patch/\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\n\n/**\n * The data structure representing a diff is an array of tuples:\n * [[DIFF_DELETE, 'Hello'], [DIFF_INSERT, 'Goodbye'], [DIFF_EQUAL, ' world.']]\n * which means: delete 'Hello', add 'Goodbye' and keep ' world.'\n */\nvar DIFF_DELETE = -1;\nvar DIFF_INSERT = 1;\nvar DIFF_EQUAL = 0;\n\n\n/**\n * Find the differences between two texts. Simplifies the problem by stripping\n * any common prefix or suffix off the texts before diffing.\n * @param {string} text1 Old string to be diffed.\n * @param {string} text2 New string to be diffed.\n * @param {Int} cursor_pos Expected edit position in text1 (optional)\n * @return {Array} Array of diff tuples.\n */\nfunction diff_main(text1, text2, cursor_pos) {\n // Check for equality (speedup).\n if (text1 == text2) {\n if (text1) {\n return [[DIFF_EQUAL, text1]];\n }\n return [];\n }\n\n // Check cursor_pos within bounds\n if (cursor_pos < 0 || text1.length < cursor_pos) {\n cursor_pos = null;\n }\n\n // Trim off common prefix (speedup).\n var commonlength = diff_commonPrefix(text1, text2);\n var commonprefix = text1.substring(0, commonlength);\n text1 = text1.substring(commonlength);\n text2 = text2.substring(commonlength);\n\n // Trim off common suffix (speedup).\n commonlength = diff_commonSuffix(text1, text2);\n var commonsuffix = text1.substring(text1.length - commonlength);\n text1 = text1.substring(0, text1.length - commonlength);\n text2 = text2.substring(0, text2.length - commonlength);\n\n // Compute the diff on the middle block.\n var diffs = diff_compute_(text1, text2);\n\n // Restore the prefix and suffix.\n if (commonprefix) {\n diffs.unshift([DIFF_EQUAL, commonprefix]);\n }\n if (commonsuffix) {\n diffs.push([DIFF_EQUAL, commonsuffix]);\n }\n diff_cleanupMerge(diffs);\n if (cursor_pos != null) {\n diffs = fix_cursor(diffs, cursor_pos);\n }\n diffs = fix_emoji(diffs);\n return diffs;\n};\n\n\n/**\n * Find the differences between two texts. Assumes that the texts do not\n * have any common prefix or suffix.\n * @param {string} text1 Old string to be diffed.\n * @param {string} text2 New string to be diffed.\n * @return {Array} Array of diff tuples.\n */\nfunction diff_compute_(text1, text2) {\n var diffs;\n\n if (!text1) {\n // Just add some text (speedup).\n return [[DIFF_INSERT, text2]];\n }\n\n if (!text2) {\n // Just delete some text (speedup).\n return [[DIFF_DELETE, text1]];\n }\n\n var longtext = text1.length > text2.length ? text1 : text2;\n var shorttext = text1.length > text2.length ? text2 : text1;\n var i = longtext.indexOf(shorttext);\n if (i != -1) {\n // Shorter text is inside the longer text (speedup).\n diffs = [[DIFF_INSERT, longtext.substring(0, i)],\n [DIFF_EQUAL, shorttext],\n [DIFF_INSERT, longtext.substring(i + shorttext.length)]];\n // Swap insertions for deletions if diff is reversed.\n if (text1.length > text2.length) {\n diffs[0][0] = diffs[2][0] = DIFF_DELETE;\n }\n return diffs;\n }\n\n if (shorttext.length == 1) {\n // Single character string.\n // After the previous speedup, the character can't be an equality.\n return [[DIFF_DELETE, text1], [DIFF_INSERT, text2]];\n }\n\n // Check to see if the problem can be split in two.\n var hm = diff_halfMatch_(text1, text2);\n if (hm) {\n // A half-match was found, sort out the return data.\n var text1_a = hm[0];\n var text1_b = hm[1];\n var text2_a = hm[2];\n var text2_b = hm[3];\n var mid_common = hm[4];\n // Send both pairs off for separate processing.\n var diffs_a = diff_main(text1_a, text2_a);\n var diffs_b = diff_main(text1_b, text2_b);\n // Merge the results.\n return diffs_a.concat([[DIFF_EQUAL, mid_common]], diffs_b);\n }\n\n return diff_bisect_(text1, text2);\n};\n\n\n/**\n * Find the 'middle snake' of a diff, split the problem in two\n * and return the recursively constructed diff.\n * See Myers 1986 paper: An O(ND) Difference Algorithm and Its Variations.\n * @param {string} text1 Old string to be diffed.\n * @param {string} text2 New string to be diffed.\n * @return {Array} Array of diff tuples.\n * @private\n */\nfunction diff_bisect_(text1, text2) {\n // Cache the text lengths to prevent multiple calls.\n var text1_length = text1.length;\n var text2_length = text2.length;\n var max_d = Math.ceil((text1_length + text2_length) / 2);\n var v_offset = max_d;\n var v_length = 2 * max_d;\n var v1 = new Array(v_length);\n var v2 = new Array(v_length);\n // Setting all elements to -1 is faster in Chrome & Firefox than mixing\n // integers and undefined.\n for (var x = 0; x < v_length; x++) {\n v1[x] = -1;\n v2[x] = -1;\n }\n v1[v_offset + 1] = 0;\n v2[v_offset + 1] = 0;\n var delta = text1_length - text2_length;\n // If the total number of characters is odd, then the front path will collide\n // with the reverse path.\n var front = (delta % 2 != 0);\n // Offsets for start and end of k loop.\n // Prevents mapping of space beyond the grid.\n var k1start = 0;\n var k1end = 0;\n var k2start = 0;\n var k2end = 0;\n for (var d = 0; d < max_d; d++) {\n // Walk the front path one step.\n for (var k1 = -d + k1start; k1 <= d - k1end; k1 += 2) {\n var k1_offset = v_offset + k1;\n var x1;\n if (k1 == -d || (k1 != d && v1[k1_offset - 1] < v1[k1_offset + 1])) {\n x1 = v1[k1_offset + 1];\n } else {\n x1 = v1[k1_offset - 1] + 1;\n }\n var y1 = x1 - k1;\n while (x1 < text1_length && y1 < text2_length &&\n text1.charAt(x1) == text2.charAt(y1)) {\n x1++;\n y1++;\n }\n v1[k1_offset] = x1;\n if (x1 > text1_length) {\n // Ran off the right of the graph.\n k1end += 2;\n } else if (y1 > text2_length) {\n // Ran off the bottom of the graph.\n k1start += 2;\n } else if (front) {\n var k2_offset = v_offset + delta - k1;\n if (k2_offset >= 0 && k2_offset < v_length && v2[k2_offset] != -1) {\n // Mirror x2 onto top-left coordinate system.\n var x2 = text1_length - v2[k2_offset];\n if (x1 >= x2) {\n // Overlap detected.\n return diff_bisectSplit_(text1, text2, x1, y1);\n }\n }\n }\n }\n\n // Walk the reverse path one step.\n for (var k2 = -d + k2start; k2 <= d - k2end; k2 += 2) {\n var k2_offset = v_offset + k2;\n var x2;\n if (k2 == -d || (k2 != d && v2[k2_offset - 1] < v2[k2_offset + 1])) {\n x2 = v2[k2_offset + 1];\n } else {\n x2 = v2[k2_offset - 1] + 1;\n }\n var y2 = x2 - k2;\n while (x2 < text1_length && y2 < text2_length &&\n text1.charAt(text1_length - x2 - 1) ==\n text2.charAt(text2_length - y2 - 1)) {\n x2++;\n y2++;\n }\n v2[k2_offset] = x2;\n if (x2 > text1_length) {\n // Ran off the left of the graph.\n k2end += 2;\n } else if (y2 > text2_length) {\n // Ran off the top of the graph.\n k2start += 2;\n } else if (!front) {\n var k1_offset = v_offset + delta - k2;\n if (k1_offset >= 0 && k1_offset < v_length && v1[k1_offset] != -1) {\n var x1 = v1[k1_offset];\n var y1 = v_offset + x1 - k1_offset;\n // Mirror x2 onto top-left coordinate system.\n x2 = text1_length - x2;\n if (x1 >= x2) {\n // Overlap detected.\n return diff_bisectSplit_(text1, text2, x1, y1);\n }\n }\n }\n }\n }\n // Diff took too long and hit the deadline or\n // number of diffs equals number of characters, no commonality at all.\n return [[DIFF_DELETE, text1], [DIFF_INSERT, text2]];\n};\n\n\n/**\n * Given the location of the 'middle snake', split the diff in two parts\n * and recurse.\n * @param {string} text1 Old string to be diffed.\n * @param {string} text2 New string to be diffed.\n * @param {number} x Index of split point in text1.\n * @param {number} y Index of split point in text2.\n * @return {Array} Array of diff tuples.\n */\nfunction diff_bisectSplit_(text1, text2, x, y) {\n var text1a = text1.substring(0, x);\n var text2a = text2.substring(0, y);\n var text1b = text1.substring(x);\n var text2b = text2.substring(y);\n\n // Compute both diffs serially.\n var diffs = diff_main(text1a, text2a);\n var diffsb = diff_main(text1b, text2b);\n\n return diffs.concat(diffsb);\n};\n\n\n/**\n * Determine the common prefix of two strings.\n * @param {string} text1 First string.\n * @param {string} text2 Second string.\n * @return {number} The number of characters common to the start of each\n * string.\n */\nfunction diff_commonPrefix(text1, text2) {\n // Quick check for common null cases.\n if (!text1 || !text2 || text1.charAt(0) != text2.charAt(0)) {\n return 0;\n }\n // Binary search.\n // Performance analysis: http://neil.fraser.name/news/2007/10/09/\n var pointermin = 0;\n var pointermax = Math.min(text1.length, text2.length);\n var pointermid = pointermax;\n var pointerstart = 0;\n while (pointermin < pointermid) {\n if (text1.substring(pointerstart, pointermid) ==\n text2.substring(pointerstart, pointermid)) {\n pointermin = pointermid;\n pointerstart = pointermin;\n } else {\n pointermax = pointermid;\n }\n pointermid = Math.floor((pointermax - pointermin) / 2 + pointermin);\n }\n return pointermid;\n};\n\n\n/**\n * Determine the common suffix of two strings.\n * @param {string} text1 First string.\n * @param {string} text2 Second string.\n * @return {number} The number of characters common to the end of each string.\n */\nfunction diff_commonSuffix(text1, text2) {\n // Quick check for common null cases.\n if (!text1 || !text2 ||\n text1.charAt(text1.length - 1) != text2.charAt(text2.length - 1)) {\n return 0;\n }\n // Binary search.\n // Performance analysis: http://neil.fraser.name/news/2007/10/09/\n var pointermin = 0;\n var pointermax = Math.min(text1.length, text2.length);\n var pointermid = pointermax;\n var pointerend = 0;\n while (pointermin < pointermid) {\n if (text1.substring(text1.length - pointermid, text1.length - pointerend) ==\n text2.substring(text2.length - pointermid, text2.length - pointerend)) {\n pointermin = pointermid;\n pointerend = pointermin;\n } else {\n pointermax = pointermid;\n }\n pointermid = Math.floor((pointermax - pointermin) / 2 + pointermin);\n }\n return pointermid;\n};\n\n\n/**\n * Do the two texts share a substring which is at least half the length of the\n * longer text?\n * This speedup can produce non-minimal diffs.\n * @param {string} text1 First string.\n * @param {string} text2 Second string.\n * @return {Array.} Five element Array, containing the prefix of\n * text1, the suffix of text1, the prefix of text2, the suffix of\n * text2 and the common middle. Or null if there was no match.\n */\nfunction diff_halfMatch_(text1, text2) {\n var longtext = text1.length > text2.length ? text1 : text2;\n var shorttext = text1.length > text2.length ? text2 : text1;\n if (longtext.length < 4 || shorttext.length * 2 < longtext.length) {\n return null; // Pointless.\n }\n\n /**\n * Does a substring of shorttext exist within longtext such that the substring\n * is at least half the length of longtext?\n * Closure, but does not reference any external variables.\n * @param {string} longtext Longer string.\n * @param {string} shorttext Shorter string.\n * @param {number} i Start index of quarter length substring within longtext.\n * @return {Array.} Five element Array, containing the prefix of\n * longtext, the suffix of longtext, the prefix of shorttext, the suffix\n * of shorttext and the common middle. Or null if there was no match.\n * @private\n */\n function diff_halfMatchI_(longtext, shorttext, i) {\n // Start with a 1/4 length substring at position i as a seed.\n var seed = longtext.substring(i, i + Math.floor(longtext.length / 4));\n var j = -1;\n var best_common = '';\n var best_longtext_a, best_longtext_b, best_shorttext_a, best_shorttext_b;\n while ((j = shorttext.indexOf(seed, j + 1)) != -1) {\n var prefixLength = diff_commonPrefix(longtext.substring(i),\n shorttext.substring(j));\n var suffixLength = diff_commonSuffix(longtext.substring(0, i),\n shorttext.substring(0, j));\n if (best_common.length < suffixLength + prefixLength) {\n best_common = shorttext.substring(j - suffixLength, j) +\n shorttext.substring(j, j + prefixLength);\n best_longtext_a = longtext.substring(0, i - suffixLength);\n best_longtext_b = longtext.substring(i + prefixLength);\n best_shorttext_a = shorttext.substring(0, j - suffixLength);\n best_shorttext_b = shorttext.substring(j + prefixLength);\n }\n }\n if (best_common.length * 2 >= longtext.length) {\n return [best_longtext_a, best_longtext_b,\n best_shorttext_a, best_shorttext_b, best_common];\n } else {\n return null;\n }\n }\n\n // First check if the second quarter is the seed for a half-match.\n var hm1 = diff_halfMatchI_(longtext, shorttext,\n Math.ceil(longtext.length / 4));\n // Check again based on the third quarter.\n var hm2 = diff_halfMatchI_(longtext, shorttext,\n Math.ceil(longtext.length / 2));\n var hm;\n if (!hm1 && !hm2) {\n return null;\n } else if (!hm2) {\n hm = hm1;\n } else if (!hm1) {\n hm = hm2;\n } else {\n // Both matched. Select the longest.\n hm = hm1[4].length > hm2[4].length ? hm1 : hm2;\n }\n\n // A half-match was found, sort out the return data.\n var text1_a, text1_b, text2_a, text2_b;\n if (text1.length > text2.length) {\n text1_a = hm[0];\n text1_b = hm[1];\n text2_a = hm[2];\n text2_b = hm[3];\n } else {\n text2_a = hm[0];\n text2_b = hm[1];\n text1_a = hm[2];\n text1_b = hm[3];\n }\n var mid_common = hm[4];\n return [text1_a, text1_b, text2_a, text2_b, mid_common];\n};\n\n\n/**\n * Reorder and merge like edit sections. Merge equalities.\n * Any edit section can move as long as it doesn't cross an equality.\n * @param {Array} diffs Array of diff tuples.\n */\nfunction diff_cleanupMerge(diffs) {\n diffs.push([DIFF_EQUAL, '']); // Add a dummy entry at the end.\n var pointer = 0;\n var count_delete = 0;\n var count_insert = 0;\n var text_delete = '';\n var text_insert = '';\n var commonlength;\n while (pointer < diffs.length) {\n switch (diffs[pointer][0]) {\n case DIFF_INSERT:\n count_insert++;\n text_insert += diffs[pointer][1];\n pointer++;\n break;\n case DIFF_DELETE:\n count_delete++;\n text_delete += diffs[pointer][1];\n pointer++;\n break;\n case DIFF_EQUAL:\n // Upon reaching an equality, check for prior redundancies.\n if (count_delete + count_insert > 1) {\n if (count_delete !== 0 && count_insert !== 0) {\n // Factor out any common prefixies.\n commonlength = diff_commonPrefix(text_insert, text_delete);\n if (commonlength !== 0) {\n if ((pointer - count_delete - count_insert) > 0 &&\n diffs[pointer - count_delete - count_insert - 1][0] ==\n DIFF_EQUAL) {\n diffs[pointer - count_delete - count_insert - 1][1] +=\n text_insert.substring(0, commonlength);\n } else {\n diffs.splice(0, 0, [DIFF_EQUAL,\n text_insert.substring(0, commonlength)]);\n pointer++;\n }\n text_insert = text_insert.substring(commonlength);\n text_delete = text_delete.substring(commonlength);\n }\n // Factor out any common suffixies.\n commonlength = diff_commonSuffix(text_insert, text_delete);\n if (commonlength !== 0) {\n diffs[pointer][1] = text_insert.substring(text_insert.length -\n commonlength) + diffs[pointer][1];\n text_insert = text_insert.substring(0, text_insert.length -\n commonlength);\n text_delete = text_delete.substring(0, text_delete.length -\n commonlength);\n }\n }\n // Delete the offending records and add the merged ones.\n if (count_delete === 0) {\n diffs.splice(pointer - count_insert,\n count_delete + count_insert, [DIFF_INSERT, text_insert]);\n } else if (count_insert === 0) {\n diffs.splice(pointer - count_delete,\n count_delete + count_insert, [DIFF_DELETE, text_delete]);\n } else {\n diffs.splice(pointer - count_delete - count_insert,\n count_delete + count_insert, [DIFF_DELETE, text_delete],\n [DIFF_INSERT, text_insert]);\n }\n pointer = pointer - count_delete - count_insert +\n (count_delete ? 1 : 0) + (count_insert ? 1 : 0) + 1;\n } else if (pointer !== 0 && diffs[pointer - 1][0] == DIFF_EQUAL) {\n // Merge this equality with the previous one.\n diffs[pointer - 1][1] += diffs[pointer][1];\n diffs.splice(pointer, 1);\n } else {\n pointer++;\n }\n count_insert = 0;\n count_delete = 0;\n text_delete = '';\n text_insert = '';\n break;\n }\n }\n if (diffs[diffs.length - 1][1] === '') {\n diffs.pop(); // Remove the dummy entry at the end.\n }\n\n // Second pass: look for single edits surrounded on both sides by equalities\n // which can be shifted sideways to eliminate an equality.\n // e.g: ABAC -> ABAC\n var changes = false;\n pointer = 1;\n // Intentionally ignore the first and last element (don't need checking).\n while (pointer < diffs.length - 1) {\n if (diffs[pointer - 1][0] == DIFF_EQUAL &&\n diffs[pointer + 1][0] == DIFF_EQUAL) {\n // This is a single edit surrounded by equalities.\n if (diffs[pointer][1].substring(diffs[pointer][1].length -\n diffs[pointer - 1][1].length) == diffs[pointer - 1][1]) {\n // Shift the edit over the previous equality.\n diffs[pointer][1] = diffs[pointer - 1][1] +\n diffs[pointer][1].substring(0, diffs[pointer][1].length -\n diffs[pointer - 1][1].length);\n diffs[pointer + 1][1] = diffs[pointer - 1][1] + diffs[pointer + 1][1];\n diffs.splice(pointer - 1, 1);\n changes = true;\n } else if (diffs[pointer][1].substring(0, diffs[pointer + 1][1].length) ==\n diffs[pointer + 1][1]) {\n // Shift the edit over the next equality.\n diffs[pointer - 1][1] += diffs[pointer + 1][1];\n diffs[pointer][1] =\n diffs[pointer][1].substring(diffs[pointer + 1][1].length) +\n diffs[pointer + 1][1];\n diffs.splice(pointer + 1, 1);\n changes = true;\n }\n }\n pointer++;\n }\n // If shifts were made, the diff needs reordering and another shift sweep.\n if (changes) {\n diff_cleanupMerge(diffs);\n }\n};\n\n\nvar diff = diff_main;\ndiff.INSERT = DIFF_INSERT;\ndiff.DELETE = DIFF_DELETE;\ndiff.EQUAL = DIFF_EQUAL;\n\nmodule.exports = diff;\n\n/*\n * Modify a diff such that the cursor position points to the start of a change:\n * E.g.\n * cursor_normalize_diff([[DIFF_EQUAL, 'abc']], 1)\n * => [1, [[DIFF_EQUAL, 'a'], [DIFF_EQUAL, 'bc']]]\n * cursor_normalize_diff([[DIFF_INSERT, 'new'], [DIFF_DELETE, 'xyz']], 2)\n * => [2, [[DIFF_INSERT, 'new'], [DIFF_DELETE, 'xy'], [DIFF_DELETE, 'z']]]\n *\n * @param {Array} diffs Array of diff tuples\n * @param {Int} cursor_pos Suggested edit position. Must not be out of bounds!\n * @return {Array} A tuple [cursor location in the modified diff, modified diff]\n */\nfunction cursor_normalize_diff (diffs, cursor_pos) {\n if (cursor_pos === 0) {\n return [DIFF_EQUAL, diffs];\n }\n for (var current_pos = 0, i = 0; i < diffs.length; i++) {\n var d = diffs[i];\n if (d[0] === DIFF_DELETE || d[0] === DIFF_EQUAL) {\n var next_pos = current_pos + d[1].length;\n if (cursor_pos === next_pos) {\n return [i + 1, diffs];\n } else if (cursor_pos < next_pos) {\n // copy to prevent side effects\n diffs = diffs.slice();\n // split d into two diff changes\n var split_pos = cursor_pos - current_pos;\n var d_left = [d[0], d[1].slice(0, split_pos)];\n var d_right = [d[0], d[1].slice(split_pos)];\n diffs.splice(i, 1, d_left, d_right);\n return [i + 1, diffs];\n } else {\n current_pos = next_pos;\n }\n }\n }\n throw new Error('cursor_pos is out of bounds!')\n}\n\n/*\n * Modify a diff such that the edit position is \"shifted\" to the proposed edit location (cursor_position).\n *\n * Case 1)\n * Check if a naive shift is possible:\n * [0, X], [ 1, Y] -> [ 1, Y], [0, X] (if X + Y === Y + X)\n * [0, X], [-1, Y] -> [-1, Y], [0, X] (if X + Y === Y + X) - holds same result\n * Case 2)\n * Check if the following shifts are possible:\n * [0, 'pre'], [ 1, 'prefix'] -> [ 1, 'pre'], [0, 'pre'], [ 1, 'fix']\n * [0, 'pre'], [-1, 'prefix'] -> [-1, 'pre'], [0, 'pre'], [-1, 'fix']\n * ^ ^\n * d d_next\n *\n * @param {Array} diffs Array of diff tuples\n * @param {Int} cursor_pos Suggested edit position. Must not be out of bounds!\n * @return {Array} Array of diff tuples\n */\nfunction fix_cursor (diffs, cursor_pos) {\n var norm = cursor_normalize_diff(diffs, cursor_pos);\n var ndiffs = norm[1];\n var cursor_pointer = norm[0];\n var d = ndiffs[cursor_pointer];\n var d_next = ndiffs[cursor_pointer + 1];\n\n if (d == null) {\n // Text was deleted from end of original string,\n // cursor is now out of bounds in new string\n return diffs;\n } else if (d[0] !== DIFF_EQUAL) {\n // A modification happened at the cursor location.\n // This is the expected outcome, so we can return the original diff.\n return diffs;\n } else {\n if (d_next != null && d[1] + d_next[1] === d_next[1] + d[1]) {\n // Case 1)\n // It is possible to perform a naive shift\n ndiffs.splice(cursor_pointer, 2, d_next, d)\n return merge_tuples(ndiffs, cursor_pointer, 2)\n } else if (d_next != null && d_next[1].indexOf(d[1]) === 0) {\n // Case 2)\n // d[1] is a prefix of d_next[1]\n // We can assume that d_next[0] !== 0, since d[0] === 0\n // Shift edit locations..\n ndiffs.splice(cursor_pointer, 2, [d_next[0], d[1]], [0, d[1]]);\n var suffix = d_next[1].slice(d[1].length);\n if (suffix.length > 0) {\n ndiffs.splice(cursor_pointer + 2, 0, [d_next[0], suffix]);\n }\n return merge_tuples(ndiffs, cursor_pointer, 3)\n } else {\n // Not possible to perform any modification\n return diffs;\n }\n }\n}\n\n/*\n * Check diff did not split surrogate pairs.\n * Ex. [0, '\\uD83D'], [-1, '\\uDC36'], [1, '\\uDC2F'] -> [-1, '\\uD83D\\uDC36'], [1, '\\uD83D\\uDC2F']\n * '\\uD83D\\uDC36' === '🐶', '\\uD83D\\uDC2F' === '🐯'\n *\n * @param {Array} diffs Array of diff tuples\n * @return {Array} Array of diff tuples\n */\nfunction fix_emoji (diffs) {\n var compact = false;\n var starts_with_pair_end = function(str) {\n return str.charCodeAt(0) >= 0xDC00 && str.charCodeAt(0) <= 0xDFFF;\n }\n var ends_with_pair_start = function(str) {\n return str.charCodeAt(str.length-1) >= 0xD800 && str.charCodeAt(str.length-1) <= 0xDBFF;\n }\n for (var i = 2; i < diffs.length; i += 1) {\n if (diffs[i-2][0] === DIFF_EQUAL && ends_with_pair_start(diffs[i-2][1]) &&\n diffs[i-1][0] === DIFF_DELETE && starts_with_pair_end(diffs[i-1][1]) &&\n diffs[i][0] === DIFF_INSERT && starts_with_pair_end(diffs[i][1])) {\n compact = true;\n\n diffs[i-1][1] = diffs[i-2][1].slice(-1) + diffs[i-1][1];\n diffs[i][1] = diffs[i-2][1].slice(-1) + diffs[i][1];\n\n diffs[i-2][1] = diffs[i-2][1].slice(0, -1);\n }\n }\n if (!compact) {\n return diffs;\n }\n var fixed_diffs = [];\n for (var i = 0; i < diffs.length; i += 1) {\n if (diffs[i][1].length > 0) {\n fixed_diffs.push(diffs[i]);\n }\n }\n return fixed_diffs;\n}\n\n/*\n * Try to merge tuples with their neigbors in a given range.\n * E.g. [0, 'a'], [0, 'b'] -> [0, 'ab']\n *\n * @param {Array} diffs Array of diff tuples.\n * @param {Int} start Position of the first element to merge (diffs[start] is also merged with diffs[start - 1]).\n * @param {Int} length Number of consecutive elements to check.\n * @return {Array} Array of merged diff tuples.\n */\nfunction merge_tuples (diffs, start, length) {\n // Check from (start-1) to (start+length).\n for (var i = start + length - 1; i >= 0 && i >= start - 1; i--) {\n if (i + 1 < diffs.length) {\n var left_d = diffs[i];\n var right_d = diffs[i+1];\n if (left_d[0] === right_d[1]) {\n diffs.splice(i, 2, [left_d[0], left_d[1] + right_d[1]]);\n }\n }\n }\n return diffs;\n}\n\n\n/***/ }),\n/* 52 */\n/***/ (function(module, exports) {\n\nexports = module.exports = typeof Object.keys === 'function'\n ? Object.keys : shim;\n\nexports.shim = shim;\nfunction shim (obj) {\n var keys = [];\n for (var key in obj) keys.push(key);\n return keys;\n}\n\n\n/***/ }),\n/* 53 */\n/***/ (function(module, exports) {\n\nvar supportsArgumentsClass = (function(){\n return Object.prototype.toString.call(arguments)\n})() == '[object Arguments]';\n\nexports = module.exports = supportsArgumentsClass ? supported : unsupported;\n\nexports.supported = supported;\nfunction supported(object) {\n return Object.prototype.toString.call(object) == '[object Arguments]';\n};\n\nexports.unsupported = unsupported;\nfunction unsupported(object){\n return object &&\n typeof object == 'object' &&\n typeof object.length == 'number' &&\n Object.prototype.hasOwnProperty.call(object, 'callee') &&\n !Object.prototype.propertyIsEnumerable.call(object, 'callee') ||\n false;\n};\n\n\n/***/ }),\n/* 54 */\n/***/ (function(module, exports) {\n\n'use strict';\n\nvar has = Object.prototype.hasOwnProperty\n , prefix = '~';\n\n/**\n * Constructor to create a storage for our `EE` objects.\n * An `Events` instance is a plain object whose properties are event names.\n *\n * @constructor\n * @api private\n */\nfunction Events() {}\n\n//\n// We try to not inherit from `Object.prototype`. In some engines creating an\n// instance in this way is faster than calling `Object.create(null)` directly.\n// If `Object.create(null)` is not supported we prefix the event names with a\n// character to make sure that the built-in object properties are not\n// overridden or used as an attack vector.\n//\nif (Object.create) {\n Events.prototype = Object.create(null);\n\n //\n // This hack is needed because the `__proto__` property is still inherited in\n // some old browsers like Android 4, iPhone 5.1, Opera 11 and Safari 5.\n //\n if (!new Events().__proto__) prefix = false;\n}\n\n/**\n * Representation of a single event listener.\n *\n * @param {Function} fn The listener function.\n * @param {Mixed} context The context to invoke the listener with.\n * @param {Boolean} [once=false] Specify if the listener is a one-time listener.\n * @constructor\n * @api private\n */\nfunction EE(fn, context, once) {\n this.fn = fn;\n this.context = context;\n this.once = once || false;\n}\n\n/**\n * Minimal `EventEmitter` interface that is molded against the Node.js\n * `EventEmitter` interface.\n *\n * @constructor\n * @api public\n */\nfunction EventEmitter() {\n this._events = new Events();\n this._eventsCount = 0;\n}\n\n/**\n * Return an array listing the events for which the emitter has registered\n * listeners.\n *\n * @returns {Array}\n * @api public\n */\nEventEmitter.prototype.eventNames = function eventNames() {\n var names = []\n , events\n , name;\n\n if (this._eventsCount === 0) return names;\n\n for (name in (events = this._events)) {\n if (has.call(events, name)) names.push(prefix ? name.slice(1) : name);\n }\n\n if (Object.getOwnPropertySymbols) {\n return names.concat(Object.getOwnPropertySymbols(events));\n }\n\n return names;\n};\n\n/**\n * Return the listeners registered for a given event.\n *\n * @param {String|Symbol} event The event name.\n * @param {Boolean} exists Only check if there are listeners.\n * @returns {Array|Boolean}\n * @api public\n */\nEventEmitter.prototype.listeners = function listeners(event, exists) {\n var evt = prefix ? prefix + event : event\n , available = this._events[evt];\n\n if (exists) return !!available;\n if (!available) return [];\n if (available.fn) return [available.fn];\n\n for (var i = 0, l = available.length, ee = new Array(l); i < l; i++) {\n ee[i] = available[i].fn;\n }\n\n return ee;\n};\n\n/**\n * Calls each of the listeners registered for a given event.\n *\n * @param {String|Symbol} event The event name.\n * @returns {Boolean} `true` if the event had listeners, else `false`.\n * @api public\n */\nEventEmitter.prototype.emit = function emit(event, a1, a2, a3, a4, a5) {\n var evt = prefix ? prefix + event : event;\n\n if (!this._events[evt]) return false;\n\n var listeners = this._events[evt]\n , len = arguments.length\n , args\n , i;\n\n if (listeners.fn) {\n if (listeners.once) this.removeListener(event, listeners.fn, undefined, true);\n\n switch (len) {\n case 1: return listeners.fn.call(listeners.context), true;\n case 2: return listeners.fn.call(listeners.context, a1), true;\n case 3: return listeners.fn.call(listeners.context, a1, a2), true;\n case 4: return listeners.fn.call(listeners.context, a1, a2, a3), true;\n case 5: return listeners.fn.call(listeners.context, a1, a2, a3, a4), true;\n case 6: return listeners.fn.call(listeners.context, a1, a2, a3, a4, a5), true;\n }\n\n for (i = 1, args = new Array(len -1); i < len; i++) {\n args[i - 1] = arguments[i];\n }\n\n listeners.fn.apply(listeners.context, args);\n } else {\n var length = listeners.length\n , j;\n\n for (i = 0; i < length; i++) {\n if (listeners[i].once) this.removeListener(event, listeners[i].fn, undefined, true);\n\n switch (len) {\n case 1: listeners[i].fn.call(listeners[i].context); break;\n case 2: listeners[i].fn.call(listeners[i].context, a1); break;\n case 3: listeners[i].fn.call(listeners[i].context, a1, a2); break;\n case 4: listeners[i].fn.call(listeners[i].context, a1, a2, a3); break;\n default:\n if (!args) for (j = 1, args = new Array(len -1); j < len; j++) {\n args[j - 1] = arguments[j];\n }\n\n listeners[i].fn.apply(listeners[i].context, args);\n }\n }\n }\n\n return true;\n};\n\n/**\n * Add a listener for a given event.\n *\n * @param {String|Symbol} event The event name.\n * @param {Function} fn The listener function.\n * @param {Mixed} [context=this] The context to invoke the listener with.\n * @returns {EventEmitter} `this`.\n * @api public\n */\nEventEmitter.prototype.on = function on(event, fn, context) {\n var listener = new EE(fn, context || this)\n , evt = prefix ? prefix + event : event;\n\n if (!this._events[evt]) this._events[evt] = listener, this._eventsCount++;\n else if (!this._events[evt].fn) this._events[evt].push(listener);\n else this._events[evt] = [this._events[evt], listener];\n\n return this;\n};\n\n/**\n * Add a one-time listener for a given event.\n *\n * @param {String|Symbol} event The event name.\n * @param {Function} fn The listener function.\n * @param {Mixed} [context=this] The context to invoke the listener with.\n * @returns {EventEmitter} `this`.\n * @api public\n */\nEventEmitter.prototype.once = function once(event, fn, context) {\n var listener = new EE(fn, context || this, true)\n , evt = prefix ? prefix + event : event;\n\n if (!this._events[evt]) this._events[evt] = listener, this._eventsCount++;\n else if (!this._events[evt].fn) this._events[evt].push(listener);\n else this._events[evt] = [this._events[evt], listener];\n\n return this;\n};\n\n/**\n * Remove the listeners of a given event.\n *\n * @param {String|Symbol} event The event name.\n * @param {Function} fn Only remove the listeners that match this function.\n * @param {Mixed} context Only remove the listeners that have this context.\n * @param {Boolean} once Only remove one-time listeners.\n * @returns {EventEmitter} `this`.\n * @api public\n */\nEventEmitter.prototype.removeListener = function removeListener(event, fn, context, once) {\n var evt = prefix ? prefix + event : event;\n\n if (!this._events[evt]) return this;\n if (!fn) {\n if (--this._eventsCount === 0) this._events = new Events();\n else delete this._events[evt];\n return this;\n }\n\n var listeners = this._events[evt];\n\n if (listeners.fn) {\n if (\n listeners.fn === fn\n && (!once || listeners.once)\n && (!context || listeners.context === context)\n ) {\n if (--this._eventsCount === 0) this._events = new Events();\n else delete this._events[evt];\n }\n } else {\n for (var i = 0, events = [], length = listeners.length; i < length; i++) {\n if (\n listeners[i].fn !== fn\n || (once && !listeners[i].once)\n || (context && listeners[i].context !== context)\n ) {\n events.push(listeners[i]);\n }\n }\n\n //\n // Reset the array, or remove it completely if we have no more listeners.\n //\n if (events.length) this._events[evt] = events.length === 1 ? events[0] : events;\n else if (--this._eventsCount === 0) this._events = new Events();\n else delete this._events[evt];\n }\n\n return this;\n};\n\n/**\n * Remove all listeners, or those of the specified event.\n *\n * @param {String|Symbol} [event] The event name.\n * @returns {EventEmitter} `this`.\n * @api public\n */\nEventEmitter.prototype.removeAllListeners = function removeAllListeners(event) {\n var evt;\n\n if (event) {\n evt = prefix ? prefix + event : event;\n if (this._events[evt]) {\n if (--this._eventsCount === 0) this._events = new Events();\n else delete this._events[evt];\n }\n } else {\n this._events = new Events();\n this._eventsCount = 0;\n }\n\n return this;\n};\n\n//\n// Alias methods names because people roll like that.\n//\nEventEmitter.prototype.off = EventEmitter.prototype.removeListener;\nEventEmitter.prototype.addListener = EventEmitter.prototype.on;\n\n//\n// This function doesn't apply anymore.\n//\nEventEmitter.prototype.setMaxListeners = function setMaxListeners() {\n return this;\n};\n\n//\n// Expose the prefix.\n//\nEventEmitter.prefixed = prefix;\n\n//\n// Allow `EventEmitter` to be imported as module namespace.\n//\nEventEmitter.EventEmitter = EventEmitter;\n\n//\n// Expose the module.\n//\nif ('undefined' !== typeof module) {\n module.exports = EventEmitter;\n}\n\n\n/***/ }),\n/* 55 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.matchText = exports.matchSpacing = exports.matchNewline = exports.matchBlot = exports.matchAttributor = exports.default = undefined;\n\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\nvar _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 && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i[\"return\"]) _i[\"return\"](); } 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(\"Invalid attempt to destructure non-iterable instance\"); } }; }();\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nvar _extend2 = __webpack_require__(3);\n\nvar _extend3 = _interopRequireDefault(_extend2);\n\nvar _quillDelta = __webpack_require__(2);\n\nvar _quillDelta2 = _interopRequireDefault(_quillDelta);\n\nvar _parchment = __webpack_require__(0);\n\nvar _parchment2 = _interopRequireDefault(_parchment);\n\nvar _quill = __webpack_require__(5);\n\nvar _quill2 = _interopRequireDefault(_quill);\n\nvar _logger = __webpack_require__(10);\n\nvar _logger2 = _interopRequireDefault(_logger);\n\nvar _module = __webpack_require__(9);\n\nvar _module2 = _interopRequireDefault(_module);\n\nvar _align = __webpack_require__(36);\n\nvar _background = __webpack_require__(37);\n\nvar _code = __webpack_require__(13);\n\nvar _code2 = _interopRequireDefault(_code);\n\nvar _color = __webpack_require__(26);\n\nvar _direction = __webpack_require__(38);\n\nvar _font = __webpack_require__(39);\n\nvar _size = __webpack_require__(40);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction _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; }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }\n\nvar debug = (0, _logger2.default)('quill:clipboard');\n\nvar DOM_KEY = '__ql-matcher';\n\nvar 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]];\n\nvar ATTRIBUTE_ATTRIBUTORS = [_align.AlignAttribute, _direction.DirectionAttribute].reduce(function (memo, attr) {\n memo[attr.keyName] = attr;\n return memo;\n}, {});\n\nvar STYLE_ATTRIBUTORS = [_align.AlignStyle, _background.BackgroundStyle, _color.ColorStyle, _direction.DirectionStyle, _font.FontStyle, _size.SizeStyle].reduce(function (memo, attr) {\n memo[attr.keyName] = attr;\n return memo;\n}, {});\n\nvar Clipboard = function (_Module) {\n _inherits(Clipboard, _Module);\n\n function Clipboard(quill, options) {\n _classCallCheck(this, Clipboard);\n\n var _this = _possibleConstructorReturn(this, (Clipboard.__proto__ || Object.getPrototypeOf(Clipboard)).call(this, quill, options));\n\n _this.quill.root.addEventListener('paste', _this.onPaste.bind(_this));\n _this.container = _this.quill.addContainer('ql-clipboard');\n _this.container.setAttribute('contenteditable', true);\n _this.container.setAttribute('tabindex', -1);\n _this.matchers = [];\n CLIPBOARD_CONFIG.concat(_this.options.matchers).forEach(function (_ref) {\n var _ref2 = _slicedToArray(_ref, 2),\n selector = _ref2[0],\n matcher = _ref2[1];\n\n if (!options.matchVisual && matcher === matchSpacing) return;\n _this.addMatcher(selector, matcher);\n });\n return _this;\n }\n\n _createClass(Clipboard, [{\n key: 'addMatcher',\n value: function addMatcher(selector, matcher) {\n this.matchers.push([selector, matcher]);\n }\n }, {\n key: 'convert',\n value: function convert(html) {\n if (typeof html === 'string') {\n this.container.innerHTML = html.replace(/\\>\\r?\\n +\\<'); // Remove spaces between tags\n return this.convert();\n }\n var formats = this.quill.getFormat(this.quill.selection.savedRange.index);\n if (formats[_code2.default.blotName]) {\n var text = this.container.innerText;\n this.container.innerHTML = '';\n return new _quillDelta2.default().insert(text, _defineProperty({}, _code2.default.blotName, formats[_code2.default.blotName]));\n }\n\n var _prepareMatching = this.prepareMatching(),\n _prepareMatching2 = _slicedToArray(_prepareMatching, 2),\n elementMatchers = _prepareMatching2[0],\n textMatchers = _prepareMatching2[1];\n\n var delta = traverse(this.container, elementMatchers, textMatchers);\n // Remove trailing newline\n if (deltaEndsWith(delta, '\\n') && delta.ops[delta.ops.length - 1].attributes == null) {\n delta = delta.compose(new _quillDelta2.default().retain(delta.length() - 1).delete(1));\n }\n debug.log('convert', this.container.innerHTML, delta);\n this.container.innerHTML = '';\n return delta;\n }\n }, {\n key: 'dangerouslyPasteHTML',\n value: function dangerouslyPasteHTML(index, html) {\n var source = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : _quill2.default.sources.API;\n\n if (typeof index === 'string') {\n this.quill.setContents(this.convert(index), html);\n this.quill.setSelection(0, _quill2.default.sources.SILENT);\n } else {\n var paste = this.convert(html);\n this.quill.updateContents(new _quillDelta2.default().retain(index).concat(paste), source);\n this.quill.setSelection(index + paste.length(), _quill2.default.sources.SILENT);\n }\n }\n }, {\n key: 'onPaste',\n value: function onPaste(e) {\n var _this2 = this;\n\n if (e.defaultPrevented || !this.quill.isEnabled()) return;\n var range = this.quill.getSelection();\n var delta = new _quillDelta2.default().retain(range.index);\n var scrollTop = this.quill.scrollingContainer.scrollTop;\n this.container.focus();\n this.quill.selection.update(_quill2.default.sources.SILENT);\n setTimeout(function () {\n delta = delta.concat(_this2.convert()).delete(range.length);\n _this2.quill.updateContents(delta, _quill2.default.sources.USER);\n // range.length contributes to delta.length()\n _this2.quill.setSelection(delta.length() - range.length, _quill2.default.sources.SILENT);\n _this2.quill.scrollingContainer.scrollTop = scrollTop;\n _this2.quill.focus();\n }, 1);\n }\n }, {\n key: 'prepareMatching',\n value: function prepareMatching() {\n var _this3 = this;\n\n var elementMatchers = [],\n textMatchers = [];\n this.matchers.forEach(function (pair) {\n var _pair = _slicedToArray(pair, 2),\n selector = _pair[0],\n matcher = _pair[1];\n\n switch (selector) {\n case Node.TEXT_NODE:\n textMatchers.push(matcher);\n break;\n case Node.ELEMENT_NODE:\n elementMatchers.push(matcher);\n break;\n default:\n [].forEach.call(_this3.container.querySelectorAll(selector), function (node) {\n // TODO use weakmap\n node[DOM_KEY] = node[DOM_KEY] || [];\n node[DOM_KEY].push(matcher);\n });\n break;\n }\n });\n return [elementMatchers, textMatchers];\n }\n }]);\n\n return Clipboard;\n}(_module2.default);\n\nClipboard.DEFAULTS = {\n matchers: [],\n matchVisual: true\n};\n\nfunction applyFormat(delta, format, value) {\n if ((typeof format === 'undefined' ? 'undefined' : _typeof(format)) === 'object') {\n return Object.keys(format).reduce(function (delta, key) {\n return applyFormat(delta, key, format[key]);\n }, delta);\n } else {\n return delta.reduce(function (delta, op) {\n if (op.attributes && op.attributes[format]) {\n return delta.push(op);\n } else {\n return delta.insert(op.insert, (0, _extend3.default)({}, _defineProperty({}, format, value), op.attributes));\n }\n }, new _quillDelta2.default());\n }\n}\n\nfunction computeStyle(node) {\n if (node.nodeType !== Node.ELEMENT_NODE) return {};\n var DOM_KEY = '__ql-computed-style';\n return node[DOM_KEY] || (node[DOM_KEY] = window.getComputedStyle(node));\n}\n\nfunction deltaEndsWith(delta, text) {\n var endText = \"\";\n for (var i = delta.ops.length - 1; i >= 0 && endText.length < text.length; --i) {\n var op = delta.ops[i];\n if (typeof op.insert !== 'string') break;\n endText = op.insert + endText;\n }\n return endText.slice(-1 * text.length) === text;\n}\n\nfunction isLine(node) {\n if (node.childNodes.length === 0) return false; // Exclude embed blocks\n var style = computeStyle(node);\n return ['block', 'list-item'].indexOf(style.display) > -1;\n}\n\nfunction traverse(node, elementMatchers, textMatchers) {\n // Post-order\n if (node.nodeType === node.TEXT_NODE) {\n return textMatchers.reduce(function (delta, matcher) {\n return matcher(node, delta);\n }, new _quillDelta2.default());\n } else if (node.nodeType === node.ELEMENT_NODE) {\n return [].reduce.call(node.childNodes || [], function (delta, childNode) {\n var childrenDelta = traverse(childNode, elementMatchers, textMatchers);\n if (childNode.nodeType === node.ELEMENT_NODE) {\n childrenDelta = elementMatchers.reduce(function (childrenDelta, matcher) {\n return matcher(childNode, childrenDelta);\n }, childrenDelta);\n childrenDelta = (childNode[DOM_KEY] || []).reduce(function (childrenDelta, matcher) {\n return matcher(childNode, childrenDelta);\n }, childrenDelta);\n }\n return delta.concat(childrenDelta);\n }, new _quillDelta2.default());\n } else {\n return new _quillDelta2.default();\n }\n}\n\nfunction matchAlias(format, node, delta) {\n return applyFormat(delta, format, true);\n}\n\nfunction matchAttributor(node, delta) {\n var attributes = _parchment2.default.Attributor.Attribute.keys(node);\n var classes = _parchment2.default.Attributor.Class.keys(node);\n var styles = _parchment2.default.Attributor.Style.keys(node);\n var formats = {};\n attributes.concat(classes).concat(styles).forEach(function (name) {\n var attr = _parchment2.default.query(name, _parchment2.default.Scope.ATTRIBUTE);\n if (attr != null) {\n formats[attr.attrName] = attr.value(node);\n if (formats[attr.attrName]) return;\n }\n attr = ATTRIBUTE_ATTRIBUTORS[name];\n if (attr != null && (attr.attrName === name || attr.keyName === name)) {\n formats[attr.attrName] = attr.value(node) || undefined;\n }\n attr = STYLE_ATTRIBUTORS[name];\n if (attr != null && (attr.attrName === name || attr.keyName === name)) {\n attr = STYLE_ATTRIBUTORS[name];\n formats[attr.attrName] = attr.value(node) || undefined;\n }\n });\n if (Object.keys(formats).length > 0) {\n delta = applyFormat(delta, formats);\n }\n return delta;\n}\n\nfunction matchBlot(node, delta) {\n var match = _parchment2.default.query(node);\n if (match == null) return delta;\n if (match.prototype instanceof _parchment2.default.Embed) {\n var embed = {};\n var value = match.value(node);\n if (value != null) {\n embed[match.blotName] = value;\n delta = new _quillDelta2.default().insert(embed, match.formats(node));\n }\n } else if (typeof match.formats === 'function') {\n delta = applyFormat(delta, match.blotName, match.formats(node));\n }\n return delta;\n}\n\nfunction matchBreak(node, delta) {\n if (!deltaEndsWith(delta, '\\n')) {\n delta.insert('\\n');\n }\n return delta;\n}\n\nfunction matchIgnore() {\n return new _quillDelta2.default();\n}\n\nfunction matchIndent(node, delta) {\n var match = _parchment2.default.query(node);\n if (match == null || match.blotName !== 'list-item' || !deltaEndsWith(delta, '\\n')) {\n return delta;\n }\n var indent = -1,\n parent = node.parentNode;\n while (!parent.classList.contains('ql-clipboard')) {\n if ((_parchment2.default.query(parent) || {}).blotName === 'list') {\n indent += 1;\n }\n parent = parent.parentNode;\n }\n if (indent <= 0) return delta;\n return delta.compose(new _quillDelta2.default().retain(delta.length() - 1).retain(1, { indent: indent }));\n}\n\nfunction matchNewline(node, delta) {\n if (!deltaEndsWith(delta, '\\n')) {\n if (isLine(node) || delta.length() > 0 && node.nextSibling && isLine(node.nextSibling)) {\n delta.insert('\\n');\n }\n }\n return delta;\n}\n\nfunction matchSpacing(node, delta) {\n if (isLine(node) && node.nextElementSibling != null && !deltaEndsWith(delta, '\\n\\n')) {\n var nodeHeight = node.offsetHeight + parseFloat(computeStyle(node).marginTop) + parseFloat(computeStyle(node).marginBottom);\n if (node.nextElementSibling.offsetTop > node.offsetTop + nodeHeight * 1.5) {\n delta.insert('\\n');\n }\n }\n return delta;\n}\n\nfunction matchStyles(node, delta) {\n var formats = {};\n var style = node.style || {};\n if (style.fontStyle && computeStyle(node).fontStyle === 'italic') {\n formats.italic = true;\n }\n if (style.fontWeight && (computeStyle(node).fontWeight.startsWith('bold') || parseInt(computeStyle(node).fontWeight) >= 700)) {\n formats.bold = true;\n }\n if (Object.keys(formats).length > 0) {\n delta = applyFormat(delta, formats);\n }\n if (parseFloat(style.textIndent || 0) > 0) {\n // Could be 0.5in\n delta = new _quillDelta2.default().insert('\\t').concat(delta);\n }\n return delta;\n}\n\nfunction matchText(node, delta) {\n var text = node.data;\n // Word represents empty line with \n if (node.parentNode.tagName === 'O:P') {\n return delta.insert(text.trim());\n }\n if (text.trim().length === 0 && node.parentNode.classList.contains('ql-clipboard')) {\n return delta;\n }\n if (!computeStyle(node.parentNode).whiteSpace.startsWith('pre')) {\n // eslint-disable-next-line func-style\n var replacer = function replacer(collapse, match) {\n match = match.replace(/[^\\u00a0]/g, ''); // \\u00a0 is nbsp;\n return match.length < 1 && collapse ? ' ' : match;\n };\n text = text.replace(/\\r\\n/g, ' ').replace(/\\n/g, ' ');\n text = text.replace(/\\s\\s+/g, replacer.bind(replacer, true)); // collapse whitespace\n if (node.previousSibling == null && isLine(node.parentNode) || node.previousSibling != null && isLine(node.previousSibling)) {\n text = text.replace(/^\\s+/, replacer.bind(replacer, false));\n }\n if (node.nextSibling == null && isLine(node.parentNode) || node.nextSibling != null && isLine(node.nextSibling)) {\n text = text.replace(/\\s+$/, replacer.bind(replacer, false));\n }\n }\n return delta.insert(text);\n}\n\nexports.default = Clipboard;\nexports.matchAttributor = matchAttributor;\nexports.matchBlot = matchBlot;\nexports.matchNewline = matchNewline;\nexports.matchSpacing = matchSpacing;\nexports.matchText = matchText;\n\n/***/ }),\n/* 56 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nvar _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 (\"value\" in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } };\n\nvar _inline = __webpack_require__(6);\n\nvar _inline2 = _interopRequireDefault(_inline);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }\n\nvar Bold = function (_Inline) {\n _inherits(Bold, _Inline);\n\n function Bold() {\n _classCallCheck(this, Bold);\n\n return _possibleConstructorReturn(this, (Bold.__proto__ || Object.getPrototypeOf(Bold)).apply(this, arguments));\n }\n\n _createClass(Bold, [{\n key: 'optimize',\n value: function optimize(context) {\n _get(Bold.prototype.__proto__ || Object.getPrototypeOf(Bold.prototype), 'optimize', this).call(this, context);\n if (this.domNode.tagName !== this.statics.tagName[0]) {\n this.replaceWith(this.statics.blotName);\n }\n }\n }], [{\n key: 'create',\n value: function create() {\n return _get(Bold.__proto__ || Object.getPrototypeOf(Bold), 'create', this).call(this);\n }\n }, {\n key: 'formats',\n value: function formats() {\n return true;\n }\n }]);\n\n return Bold;\n}(_inline2.default);\n\nBold.blotName = 'bold';\nBold.tagName = ['STRONG', 'B'];\n\nexports.default = Bold;\n\n/***/ }),\n/* 57 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.addControls = exports.default = undefined;\n\nvar _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 && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i[\"return\"]) _i[\"return\"](); } 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(\"Invalid attempt to destructure non-iterable instance\"); } }; }();\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nvar _quillDelta = __webpack_require__(2);\n\nvar _quillDelta2 = _interopRequireDefault(_quillDelta);\n\nvar _parchment = __webpack_require__(0);\n\nvar _parchment2 = _interopRequireDefault(_parchment);\n\nvar _quill = __webpack_require__(5);\n\nvar _quill2 = _interopRequireDefault(_quill);\n\nvar _logger = __webpack_require__(10);\n\nvar _logger2 = _interopRequireDefault(_logger);\n\nvar _module = __webpack_require__(9);\n\nvar _module2 = _interopRequireDefault(_module);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction _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; }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }\n\nvar debug = (0, _logger2.default)('quill:toolbar');\n\nvar Toolbar = function (_Module) {\n _inherits(Toolbar, _Module);\n\n function Toolbar(quill, options) {\n _classCallCheck(this, Toolbar);\n\n var _this = _possibleConstructorReturn(this, (Toolbar.__proto__ || Object.getPrototypeOf(Toolbar)).call(this, quill, options));\n\n if (Array.isArray(_this.options.container)) {\n var container = document.createElement('div');\n addControls(container, _this.options.container);\n quill.container.parentNode.insertBefore(container, quill.container);\n _this.container = container;\n } else if (typeof _this.options.container === 'string') {\n _this.container = document.querySelector(_this.options.container);\n } else {\n _this.container = _this.options.container;\n }\n if (!(_this.container instanceof HTMLElement)) {\n var _ret;\n\n return _ret = debug.error('Container required for toolbar', _this.options), _possibleConstructorReturn(_this, _ret);\n }\n _this.container.classList.add('ql-toolbar');\n _this.controls = [];\n _this.handlers = {};\n Object.keys(_this.options.handlers).forEach(function (format) {\n _this.addHandler(format, _this.options.handlers[format]);\n });\n [].forEach.call(_this.container.querySelectorAll('button, select'), function (input) {\n _this.attach(input);\n });\n _this.quill.on(_quill2.default.events.EDITOR_CHANGE, function (type, range) {\n if (type === _quill2.default.events.SELECTION_CHANGE) {\n _this.update(range);\n }\n });\n _this.quill.on(_quill2.default.events.SCROLL_OPTIMIZE, function () {\n var _this$quill$selection = _this.quill.selection.getRange(),\n _this$quill$selection2 = _slicedToArray(_this$quill$selection, 1),\n range = _this$quill$selection2[0]; // quill.getSelection triggers update\n\n\n _this.update(range);\n });\n return _this;\n }\n\n _createClass(Toolbar, [{\n key: 'addHandler',\n value: function addHandler(format, handler) {\n this.handlers[format] = handler;\n }\n }, {\n key: 'attach',\n value: function attach(input) {\n var _this2 = this;\n\n var format = [].find.call(input.classList, function (className) {\n return className.indexOf('ql-') === 0;\n });\n if (!format) return;\n format = format.slice('ql-'.length);\n if (input.tagName === 'BUTTON') {\n input.setAttribute('type', 'button');\n }\n if (this.handlers[format] == null) {\n if (this.quill.scroll.whitelist != null && this.quill.scroll.whitelist[format] == null) {\n debug.warn('ignoring attaching to disabled format', format, input);\n return;\n }\n if (_parchment2.default.query(format) == null) {\n debug.warn('ignoring attaching to nonexistent format', format, input);\n return;\n }\n }\n var eventName = input.tagName === 'SELECT' ? 'change' : 'click';\n input.addEventListener(eventName, function (e) {\n var value = void 0;\n if (input.tagName === 'SELECT') {\n if (input.selectedIndex < 0) return;\n var selected = input.options[input.selectedIndex];\n if (selected.hasAttribute('selected')) {\n value = false;\n } else {\n value = selected.value || false;\n }\n } else {\n if (input.classList.contains('ql-active')) {\n value = false;\n } else {\n value = input.value || !input.hasAttribute('value');\n }\n e.preventDefault();\n }\n _this2.quill.focus();\n\n var _quill$selection$getR = _this2.quill.selection.getRange(),\n _quill$selection$getR2 = _slicedToArray(_quill$selection$getR, 1),\n range = _quill$selection$getR2[0];\n\n if (_this2.handlers[format] != null) {\n _this2.handlers[format].call(_this2, value);\n } else if (_parchment2.default.query(format).prototype instanceof _parchment2.default.Embed) {\n value = prompt('Enter ' + format);\n if (!value) return;\n _this2.quill.updateContents(new _quillDelta2.default().retain(range.index).delete(range.length).insert(_defineProperty({}, format, value)), _quill2.default.sources.USER);\n } else {\n _this2.quill.format(format, value, _quill2.default.sources.USER);\n }\n _this2.update(range);\n });\n // TODO use weakmap\n this.controls.push([format, input]);\n }\n }, {\n key: 'update',\n value: function update(range) {\n var formats = range == null ? {} : this.quill.getFormat(range);\n this.controls.forEach(function (pair) {\n var _pair = _slicedToArray(pair, 2),\n format = _pair[0],\n input = _pair[1];\n\n if (input.tagName === 'SELECT') {\n var option = void 0;\n if (range == null) {\n option = null;\n } else if (formats[format] == null) {\n option = input.querySelector('option[selected]');\n } else if (!Array.isArray(formats[format])) {\n var value = formats[format];\n if (typeof value === 'string') {\n value = value.replace(/\\\"/g, '\\\\\"');\n }\n option = input.querySelector('option[value=\"' + value + '\"]');\n }\n if (option == null) {\n input.value = ''; // TODO make configurable?\n input.selectedIndex = -1;\n } else {\n option.selected = true;\n }\n } else {\n if (range == null) {\n input.classList.remove('ql-active');\n } else if (input.hasAttribute('value')) {\n // both being null should match (default values)\n // '1' should match with 1 (headers)\n var isActive = formats[format] === input.getAttribute('value') || formats[format] != null && formats[format].toString() === input.getAttribute('value') || formats[format] == null && !input.getAttribute('value');\n input.classList.toggle('ql-active', isActive);\n } else {\n input.classList.toggle('ql-active', formats[format] != null);\n }\n }\n });\n }\n }]);\n\n return Toolbar;\n}(_module2.default);\n\nToolbar.DEFAULTS = {};\n\nfunction addButton(container, format, value) {\n var input = document.createElement('button');\n input.setAttribute('type', 'button');\n input.classList.add('ql-' + format);\n if (value != null) {\n input.value = value;\n }\n container.appendChild(input);\n}\n\nfunction addControls(container, groups) {\n if (!Array.isArray(groups[0])) {\n groups = [groups];\n }\n groups.forEach(function (controls) {\n var group = document.createElement('span');\n group.classList.add('ql-formats');\n controls.forEach(function (control) {\n if (typeof control === 'string') {\n addButton(group, control);\n } else {\n var format = Object.keys(control)[0];\n var value = control[format];\n if (Array.isArray(value)) {\n addSelect(group, format, value);\n } else {\n addButton(group, format, value);\n }\n }\n });\n container.appendChild(group);\n });\n}\n\nfunction addSelect(container, format, values) {\n var input = document.createElement('select');\n input.classList.add('ql-' + format);\n values.forEach(function (value) {\n var option = document.createElement('option');\n if (value !== false) {\n option.setAttribute('value', value);\n } else {\n option.setAttribute('selected', 'selected');\n }\n input.appendChild(option);\n });\n container.appendChild(input);\n}\n\nToolbar.DEFAULTS = {\n container: null,\n handlers: {\n clean: function clean() {\n var _this3 = this;\n\n var range = this.quill.getSelection();\n if (range == null) return;\n if (range.length == 0) {\n var formats = this.quill.getFormat();\n Object.keys(formats).forEach(function (name) {\n // Clean functionality in existing apps only clean inline formats\n if (_parchment2.default.query(name, _parchment2.default.Scope.INLINE) != null) {\n _this3.quill.format(name, false);\n }\n });\n } else {\n this.quill.removeFormat(range, _quill2.default.sources.USER);\n }\n },\n direction: function direction(value) {\n var align = this.quill.getFormat()['align'];\n if (value === 'rtl' && align == null) {\n this.quill.format('align', 'right', _quill2.default.sources.USER);\n } else if (!value && align === 'right') {\n this.quill.format('align', false, _quill2.default.sources.USER);\n }\n this.quill.format('direction', value, _quill2.default.sources.USER);\n },\n indent: function indent(value) {\n var range = this.quill.getSelection();\n var formats = this.quill.getFormat(range);\n var indent = parseInt(formats.indent || 0);\n if (value === '+1' || value === '-1') {\n var modifier = value === '+1' ? 1 : -1;\n if (formats.direction === 'rtl') modifier *= -1;\n this.quill.format('indent', indent + modifier, _quill2.default.sources.USER);\n }\n },\n link: function link(value) {\n if (value === true) {\n value = prompt('Enter link URL:');\n }\n this.quill.format('link', value, _quill2.default.sources.USER);\n },\n list: function list(value) {\n var range = this.quill.getSelection();\n var formats = this.quill.getFormat(range);\n if (value === 'check') {\n if (formats['list'] === 'checked' || formats['list'] === 'unchecked') {\n this.quill.format('list', false, _quill2.default.sources.USER);\n } else {\n this.quill.format('list', 'unchecked', _quill2.default.sources.USER);\n }\n } else {\n this.quill.format('list', value, _quill2.default.sources.USER);\n }\n }\n }\n};\n\nexports.default = Toolbar;\nexports.addControls = addControls;\n\n/***/ }),\n/* 58 */\n/***/ (function(module, exports) {\n\nmodule.exports = \"\";\n\n/***/ }),\n/* 59 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nvar _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 (\"value\" in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } };\n\nvar _picker = __webpack_require__(28);\n\nvar _picker2 = _interopRequireDefault(_picker);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }\n\nvar ColorPicker = function (_Picker) {\n _inherits(ColorPicker, _Picker);\n\n function ColorPicker(select, label) {\n _classCallCheck(this, ColorPicker);\n\n var _this = _possibleConstructorReturn(this, (ColorPicker.__proto__ || Object.getPrototypeOf(ColorPicker)).call(this, select));\n\n _this.label.innerHTML = label;\n _this.container.classList.add('ql-color-picker');\n [].slice.call(_this.container.querySelectorAll('.ql-picker-item'), 0, 7).forEach(function (item) {\n item.classList.add('ql-primary');\n });\n return _this;\n }\n\n _createClass(ColorPicker, [{\n key: 'buildItem',\n value: function buildItem(option) {\n var item = _get(ColorPicker.prototype.__proto__ || Object.getPrototypeOf(ColorPicker.prototype), 'buildItem', this).call(this, option);\n item.style.backgroundColor = option.getAttribute('value') || '';\n return item;\n }\n }, {\n key: 'selectItem',\n value: function selectItem(item, trigger) {\n _get(ColorPicker.prototype.__proto__ || Object.getPrototypeOf(ColorPicker.prototype), 'selectItem', this).call(this, item, trigger);\n var colorLabel = this.label.querySelector('.ql-color-label');\n var value = item ? item.getAttribute('data-value') || '' : '';\n if (colorLabel) {\n if (colorLabel.tagName === 'line') {\n colorLabel.style.stroke = value;\n } else {\n colorLabel.style.fill = value;\n }\n }\n }\n }]);\n\n return ColorPicker;\n}(_picker2.default);\n\nexports.default = ColorPicker;\n\n/***/ }),\n/* 60 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nvar _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 (\"value\" in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } };\n\nvar _picker = __webpack_require__(28);\n\nvar _picker2 = _interopRequireDefault(_picker);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }\n\nvar IconPicker = function (_Picker) {\n _inherits(IconPicker, _Picker);\n\n function IconPicker(select, icons) {\n _classCallCheck(this, IconPicker);\n\n var _this = _possibleConstructorReturn(this, (IconPicker.__proto__ || Object.getPrototypeOf(IconPicker)).call(this, select));\n\n _this.container.classList.add('ql-icon-picker');\n [].forEach.call(_this.container.querySelectorAll('.ql-picker-item'), function (item) {\n item.innerHTML = icons[item.getAttribute('data-value') || ''];\n });\n _this.defaultItem = _this.container.querySelector('.ql-selected');\n _this.selectItem(_this.defaultItem);\n return _this;\n }\n\n _createClass(IconPicker, [{\n key: 'selectItem',\n value: function selectItem(item, trigger) {\n _get(IconPicker.prototype.__proto__ || Object.getPrototypeOf(IconPicker.prototype), 'selectItem', this).call(this, item, trigger);\n item = item || this.defaultItem;\n this.label.innerHTML = item.innerHTML;\n }\n }]);\n\n return IconPicker;\n}(_picker2.default);\n\nexports.default = IconPicker;\n\n/***/ }),\n/* 61 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nvar Tooltip = function () {\n function Tooltip(quill, boundsContainer) {\n var _this = this;\n\n _classCallCheck(this, Tooltip);\n\n this.quill = quill;\n this.boundsContainer = boundsContainer || document.body;\n this.root = quill.addContainer('ql-tooltip');\n this.root.innerHTML = this.constructor.TEMPLATE;\n if (this.quill.root === this.quill.scrollingContainer) {\n this.quill.root.addEventListener('scroll', function () {\n _this.root.style.marginTop = -1 * _this.quill.root.scrollTop + 'px';\n });\n }\n this.hide();\n }\n\n _createClass(Tooltip, [{\n key: 'hide',\n value: function hide() {\n this.root.classList.add('ql-hidden');\n }\n }, {\n key: 'position',\n value: function position(reference) {\n var left = reference.left + reference.width / 2 - this.root.offsetWidth / 2;\n // root.scrollTop should be 0 if scrollContainer !== root\n var top = reference.bottom + this.quill.root.scrollTop;\n this.root.style.left = left + 'px';\n this.root.style.top = top + 'px';\n this.root.classList.remove('ql-flip');\n var containerBounds = this.boundsContainer.getBoundingClientRect();\n var rootBounds = this.root.getBoundingClientRect();\n var shift = 0;\n if (rootBounds.right > containerBounds.right) {\n shift = containerBounds.right - rootBounds.right;\n this.root.style.left = left + shift + 'px';\n }\n if (rootBounds.left < containerBounds.left) {\n shift = containerBounds.left - rootBounds.left;\n this.root.style.left = left + shift + 'px';\n }\n if (rootBounds.bottom > containerBounds.bottom) {\n var height = rootBounds.bottom - rootBounds.top;\n var verticalShift = reference.bottom - reference.top + height;\n this.root.style.top = top - verticalShift + 'px';\n this.root.classList.add('ql-flip');\n }\n return shift;\n }\n }, {\n key: 'show',\n value: function show() {\n this.root.classList.remove('ql-editing');\n this.root.classList.remove('ql-hidden');\n }\n }]);\n\n return Tooltip;\n}();\n\nexports.default = Tooltip;\n\n/***/ }),\n/* 62 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _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 && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i[\"return\"]) _i[\"return\"](); } 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(\"Invalid attempt to destructure non-iterable instance\"); } }; }();\n\nvar _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 (\"value\" in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } };\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nvar _extend = __webpack_require__(3);\n\nvar _extend2 = _interopRequireDefault(_extend);\n\nvar _emitter = __webpack_require__(8);\n\nvar _emitter2 = _interopRequireDefault(_emitter);\n\nvar _base = __webpack_require__(43);\n\nvar _base2 = _interopRequireDefault(_base);\n\nvar _link = __webpack_require__(27);\n\nvar _link2 = _interopRequireDefault(_link);\n\nvar _selection = __webpack_require__(15);\n\nvar _icons = __webpack_require__(41);\n\nvar _icons2 = _interopRequireDefault(_icons);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }\n\nvar TOOLBAR_CONFIG = [[{ header: ['1', '2', '3', false] }], ['bold', 'italic', 'underline', 'link'], [{ list: 'ordered' }, { list: 'bullet' }], ['clean']];\n\nvar SnowTheme = function (_BaseTheme) {\n _inherits(SnowTheme, _BaseTheme);\n\n function SnowTheme(quill, options) {\n _classCallCheck(this, SnowTheme);\n\n if (options.modules.toolbar != null && options.modules.toolbar.container == null) {\n options.modules.toolbar.container = TOOLBAR_CONFIG;\n }\n\n var _this = _possibleConstructorReturn(this, (SnowTheme.__proto__ || Object.getPrototypeOf(SnowTheme)).call(this, quill, options));\n\n _this.quill.container.classList.add('ql-snow');\n return _this;\n }\n\n _createClass(SnowTheme, [{\n key: 'extendToolbar',\n value: function extendToolbar(toolbar) {\n toolbar.container.classList.add('ql-snow');\n this.buildButtons([].slice.call(toolbar.container.querySelectorAll('button')), _icons2.default);\n this.buildPickers([].slice.call(toolbar.container.querySelectorAll('select')), _icons2.default);\n this.tooltip = new SnowTooltip(this.quill, this.options.bounds);\n if (toolbar.container.querySelector('.ql-link')) {\n this.quill.keyboard.addBinding({ key: 'K', shortKey: true }, function (range, context) {\n toolbar.handlers['link'].call(toolbar, !context.format.link);\n });\n }\n }\n }]);\n\n return SnowTheme;\n}(_base2.default);\n\nSnowTheme.DEFAULTS = (0, _extend2.default)(true, {}, _base2.default.DEFAULTS, {\n modules: {\n toolbar: {\n handlers: {\n link: function link(value) {\n if (value) {\n var range = this.quill.getSelection();\n if (range == null || range.length == 0) return;\n var preview = this.quill.getText(range);\n if (/^\\S+@\\S+\\.\\S+$/.test(preview) && preview.indexOf('mailto:') !== 0) {\n preview = 'mailto:' + preview;\n }\n var tooltip = this.quill.theme.tooltip;\n tooltip.edit('link', preview);\n } else {\n this.quill.format('link', false);\n }\n }\n }\n }\n }\n});\n\nvar SnowTooltip = function (_BaseTooltip) {\n _inherits(SnowTooltip, _BaseTooltip);\n\n function SnowTooltip(quill, bounds) {\n _classCallCheck(this, SnowTooltip);\n\n var _this2 = _possibleConstructorReturn(this, (SnowTooltip.__proto__ || Object.getPrototypeOf(SnowTooltip)).call(this, quill, bounds));\n\n _this2.preview = _this2.root.querySelector('a.ql-preview');\n return _this2;\n }\n\n _createClass(SnowTooltip, [{\n key: 'listen',\n value: function listen() {\n var _this3 = this;\n\n _get(SnowTooltip.prototype.__proto__ || Object.getPrototypeOf(SnowTooltip.prototype), 'listen', this).call(this);\n this.root.querySelector('a.ql-action').addEventListener('click', function (event) {\n if (_this3.root.classList.contains('ql-editing')) {\n _this3.save();\n } else {\n _this3.edit('link', _this3.preview.textContent);\n }\n event.preventDefault();\n });\n this.root.querySelector('a.ql-remove').addEventListener('click', function (event) {\n if (_this3.linkRange != null) {\n var range = _this3.linkRange;\n _this3.restoreFocus();\n _this3.quill.formatText(range, 'link', false, _emitter2.default.sources.USER);\n delete _this3.linkRange;\n }\n event.preventDefault();\n _this3.hide();\n });\n this.quill.on(_emitter2.default.events.SELECTION_CHANGE, function (range, oldRange, source) {\n if (range == null) return;\n if (range.length === 0 && source === _emitter2.default.sources.USER) {\n var _quill$scroll$descend = _this3.quill.scroll.descendant(_link2.default, range.index),\n _quill$scroll$descend2 = _slicedToArray(_quill$scroll$descend, 2),\n link = _quill$scroll$descend2[0],\n offset = _quill$scroll$descend2[1];\n\n if (link != null) {\n _this3.linkRange = new _selection.Range(range.index - offset, link.length());\n var preview = _link2.default.formats(link.domNode);\n _this3.preview.textContent = preview;\n _this3.preview.setAttribute('href', preview);\n _this3.show();\n _this3.position(_this3.quill.getBounds(_this3.linkRange));\n return;\n }\n } else {\n delete _this3.linkRange;\n }\n _this3.hide();\n });\n }\n }, {\n key: 'show',\n value: function show() {\n _get(SnowTooltip.prototype.__proto__ || Object.getPrototypeOf(SnowTooltip.prototype), 'show', this).call(this);\n this.root.removeAttribute('data-mode');\n }\n }]);\n\n return SnowTooltip;\n}(_base.BaseTooltip);\n\nSnowTooltip.TEMPLATE = ['', '', '', ''].join('');\n\nexports.default = SnowTheme;\n\n/***/ }),\n/* 63 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _core = __webpack_require__(29);\n\nvar _core2 = _interopRequireDefault(_core);\n\nvar _align = __webpack_require__(36);\n\nvar _direction = __webpack_require__(38);\n\nvar _indent = __webpack_require__(64);\n\nvar _blockquote = __webpack_require__(65);\n\nvar _blockquote2 = _interopRequireDefault(_blockquote);\n\nvar _header = __webpack_require__(66);\n\nvar _header2 = _interopRequireDefault(_header);\n\nvar _list = __webpack_require__(67);\n\nvar _list2 = _interopRequireDefault(_list);\n\nvar _background = __webpack_require__(37);\n\nvar _color = __webpack_require__(26);\n\nvar _font = __webpack_require__(39);\n\nvar _size = __webpack_require__(40);\n\nvar _bold = __webpack_require__(56);\n\nvar _bold2 = _interopRequireDefault(_bold);\n\nvar _italic = __webpack_require__(68);\n\nvar _italic2 = _interopRequireDefault(_italic);\n\nvar _link = __webpack_require__(27);\n\nvar _link2 = _interopRequireDefault(_link);\n\nvar _script = __webpack_require__(69);\n\nvar _script2 = _interopRequireDefault(_script);\n\nvar _strike = __webpack_require__(70);\n\nvar _strike2 = _interopRequireDefault(_strike);\n\nvar _underline = __webpack_require__(71);\n\nvar _underline2 = _interopRequireDefault(_underline);\n\nvar _image = __webpack_require__(72);\n\nvar _image2 = _interopRequireDefault(_image);\n\nvar _video = __webpack_require__(73);\n\nvar _video2 = _interopRequireDefault(_video);\n\nvar _code = __webpack_require__(13);\n\nvar _code2 = _interopRequireDefault(_code);\n\nvar _formula = __webpack_require__(74);\n\nvar _formula2 = _interopRequireDefault(_formula);\n\nvar _syntax = __webpack_require__(75);\n\nvar _syntax2 = _interopRequireDefault(_syntax);\n\nvar _toolbar = __webpack_require__(57);\n\nvar _toolbar2 = _interopRequireDefault(_toolbar);\n\nvar _icons = __webpack_require__(41);\n\nvar _icons2 = _interopRequireDefault(_icons);\n\nvar _picker = __webpack_require__(28);\n\nvar _picker2 = _interopRequireDefault(_picker);\n\nvar _colorPicker = __webpack_require__(59);\n\nvar _colorPicker2 = _interopRequireDefault(_colorPicker);\n\nvar _iconPicker = __webpack_require__(60);\n\nvar _iconPicker2 = _interopRequireDefault(_iconPicker);\n\nvar _tooltip = __webpack_require__(61);\n\nvar _tooltip2 = _interopRequireDefault(_tooltip);\n\nvar _bubble = __webpack_require__(108);\n\nvar _bubble2 = _interopRequireDefault(_bubble);\n\nvar _snow = __webpack_require__(62);\n\nvar _snow2 = _interopRequireDefault(_snow);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\n_core2.default.register({\n 'attributors/attribute/direction': _direction.DirectionAttribute,\n\n 'attributors/class/align': _align.AlignClass,\n 'attributors/class/background': _background.BackgroundClass,\n 'attributors/class/color': _color.ColorClass,\n 'attributors/class/direction': _direction.DirectionClass,\n 'attributors/class/font': _font.FontClass,\n 'attributors/class/size': _size.SizeClass,\n\n 'attributors/style/align': _align.AlignStyle,\n 'attributors/style/background': _background.BackgroundStyle,\n 'attributors/style/color': _color.ColorStyle,\n 'attributors/style/direction': _direction.DirectionStyle,\n 'attributors/style/font': _font.FontStyle,\n 'attributors/style/size': _size.SizeStyle\n}, true);\n\n_core2.default.register({\n 'formats/align': _align.AlignClass,\n 'formats/direction': _direction.DirectionClass,\n 'formats/indent': _indent.IndentClass,\n\n 'formats/background': _background.BackgroundStyle,\n 'formats/color': _color.ColorStyle,\n 'formats/font': _font.FontClass,\n 'formats/size': _size.SizeClass,\n\n 'formats/blockquote': _blockquote2.default,\n 'formats/code-block': _code2.default,\n 'formats/header': _header2.default,\n 'formats/list': _list2.default,\n\n 'formats/bold': _bold2.default,\n 'formats/code': _code.Code,\n 'formats/italic': _italic2.default,\n 'formats/link': _link2.default,\n 'formats/script': _script2.default,\n 'formats/strike': _strike2.default,\n 'formats/underline': _underline2.default,\n\n 'formats/image': _image2.default,\n 'formats/video': _video2.default,\n\n 'formats/list/item': _list.ListItem,\n\n 'modules/formula': _formula2.default,\n 'modules/syntax': _syntax2.default,\n 'modules/toolbar': _toolbar2.default,\n\n 'themes/bubble': _bubble2.default,\n 'themes/snow': _snow2.default,\n\n 'ui/icons': _icons2.default,\n 'ui/picker': _picker2.default,\n 'ui/icon-picker': _iconPicker2.default,\n 'ui/color-picker': _colorPicker2.default,\n 'ui/tooltip': _tooltip2.default\n}, true);\n\nexports.default = _core2.default;\n\n/***/ }),\n/* 64 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.IndentClass = undefined;\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nvar _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 (\"value\" in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } };\n\nvar _parchment = __webpack_require__(0);\n\nvar _parchment2 = _interopRequireDefault(_parchment);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }\n\nvar IdentAttributor = function (_Parchment$Attributor) {\n _inherits(IdentAttributor, _Parchment$Attributor);\n\n function IdentAttributor() {\n _classCallCheck(this, IdentAttributor);\n\n return _possibleConstructorReturn(this, (IdentAttributor.__proto__ || Object.getPrototypeOf(IdentAttributor)).apply(this, arguments));\n }\n\n _createClass(IdentAttributor, [{\n key: 'add',\n value: function add(node, value) {\n if (value === '+1' || value === '-1') {\n var indent = this.value(node) || 0;\n value = value === '+1' ? indent + 1 : indent - 1;\n }\n if (value === 0) {\n this.remove(node);\n return true;\n } else {\n return _get(IdentAttributor.prototype.__proto__ || Object.getPrototypeOf(IdentAttributor.prototype), 'add', this).call(this, node, value);\n }\n }\n }, {\n key: 'canAdd',\n value: function canAdd(node, value) {\n return _get(IdentAttributor.prototype.__proto__ || Object.getPrototypeOf(IdentAttributor.prototype), 'canAdd', this).call(this, node, value) || _get(IdentAttributor.prototype.__proto__ || Object.getPrototypeOf(IdentAttributor.prototype), 'canAdd', this).call(this, node, parseInt(value));\n }\n }, {\n key: 'value',\n value: function value(node) {\n return parseInt(_get(IdentAttributor.prototype.__proto__ || Object.getPrototypeOf(IdentAttributor.prototype), 'value', this).call(this, node)) || undefined; // Don't return NaN\n }\n }]);\n\n return IdentAttributor;\n}(_parchment2.default.Attributor.Class);\n\nvar IndentClass = new IdentAttributor('indent', 'ql-indent', {\n scope: _parchment2.default.Scope.BLOCK,\n whitelist: [1, 2, 3, 4, 5, 6, 7, 8]\n});\n\nexports.IndentClass = IndentClass;\n\n/***/ }),\n/* 65 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _block = __webpack_require__(4);\n\nvar _block2 = _interopRequireDefault(_block);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }\n\nvar Blockquote = function (_Block) {\n _inherits(Blockquote, _Block);\n\n function Blockquote() {\n _classCallCheck(this, Blockquote);\n\n return _possibleConstructorReturn(this, (Blockquote.__proto__ || Object.getPrototypeOf(Blockquote)).apply(this, arguments));\n }\n\n return Blockquote;\n}(_block2.default);\n\nBlockquote.blotName = 'blockquote';\nBlockquote.tagName = 'blockquote';\n\nexports.default = Blockquote;\n\n/***/ }),\n/* 66 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nvar _block = __webpack_require__(4);\n\nvar _block2 = _interopRequireDefault(_block);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }\n\nvar Header = function (_Block) {\n _inherits(Header, _Block);\n\n function Header() {\n _classCallCheck(this, Header);\n\n return _possibleConstructorReturn(this, (Header.__proto__ || Object.getPrototypeOf(Header)).apply(this, arguments));\n }\n\n _createClass(Header, null, [{\n key: 'formats',\n value: function formats(domNode) {\n return this.tagName.indexOf(domNode.tagName) + 1;\n }\n }]);\n\n return Header;\n}(_block2.default);\n\nHeader.blotName = 'header';\nHeader.tagName = ['H1', 'H2', 'H3', 'H4', 'H5', 'H6'];\n\nexports.default = Header;\n\n/***/ }),\n/* 67 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.default = exports.ListItem = undefined;\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nvar _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 (\"value\" in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } };\n\nvar _parchment = __webpack_require__(0);\n\nvar _parchment2 = _interopRequireDefault(_parchment);\n\nvar _block = __webpack_require__(4);\n\nvar _block2 = _interopRequireDefault(_block);\n\nvar _container = __webpack_require__(25);\n\nvar _container2 = _interopRequireDefault(_container);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction _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; }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }\n\nvar ListItem = function (_Block) {\n _inherits(ListItem, _Block);\n\n function ListItem() {\n _classCallCheck(this, ListItem);\n\n return _possibleConstructorReturn(this, (ListItem.__proto__ || Object.getPrototypeOf(ListItem)).apply(this, arguments));\n }\n\n _createClass(ListItem, [{\n key: 'format',\n value: function format(name, value) {\n if (name === List.blotName && !value) {\n this.replaceWith(_parchment2.default.create(this.statics.scope));\n } else {\n _get(ListItem.prototype.__proto__ || Object.getPrototypeOf(ListItem.prototype), 'format', this).call(this, name, value);\n }\n }\n }, {\n key: 'remove',\n value: function remove() {\n if (this.prev == null && this.next == null) {\n this.parent.remove();\n } else {\n _get(ListItem.prototype.__proto__ || Object.getPrototypeOf(ListItem.prototype), 'remove', this).call(this);\n }\n }\n }, {\n key: 'replaceWith',\n value: function replaceWith(name, value) {\n this.parent.isolate(this.offset(this.parent), this.length());\n if (name === this.parent.statics.blotName) {\n this.parent.replaceWith(name, value);\n return this;\n } else {\n this.parent.unwrap();\n return _get(ListItem.prototype.__proto__ || Object.getPrototypeOf(ListItem.prototype), 'replaceWith', this).call(this, name, value);\n }\n }\n }], [{\n key: 'formats',\n value: function formats(domNode) {\n return domNode.tagName === this.tagName ? undefined : _get(ListItem.__proto__ || Object.getPrototypeOf(ListItem), 'formats', this).call(this, domNode);\n }\n }]);\n\n return ListItem;\n}(_block2.default);\n\nListItem.blotName = 'list-item';\nListItem.tagName = 'LI';\n\nvar List = function (_Container) {\n _inherits(List, _Container);\n\n _createClass(List, null, [{\n key: 'create',\n value: function create(value) {\n var tagName = value === 'ordered' ? 'OL' : 'UL';\n var node = _get(List.__proto__ || Object.getPrototypeOf(List), 'create', this).call(this, tagName);\n if (value === 'checked' || value === 'unchecked') {\n node.setAttribute('data-checked', value === 'checked');\n }\n return node;\n }\n }, {\n key: 'formats',\n value: function formats(domNode) {\n if (domNode.tagName === 'OL') return 'ordered';\n if (domNode.tagName === 'UL') {\n if (domNode.hasAttribute('data-checked')) {\n return domNode.getAttribute('data-checked') === 'true' ? 'checked' : 'unchecked';\n } else {\n return 'bullet';\n }\n }\n return undefined;\n }\n }]);\n\n function List(domNode) {\n _classCallCheck(this, List);\n\n var _this2 = _possibleConstructorReturn(this, (List.__proto__ || Object.getPrototypeOf(List)).call(this, domNode));\n\n var listEventHandler = function listEventHandler(e) {\n if (e.target.parentNode !== domNode) return;\n var format = _this2.statics.formats(domNode);\n var blot = _parchment2.default.find(e.target);\n if (format === 'checked') {\n blot.format('list', 'unchecked');\n } else if (format === 'unchecked') {\n blot.format('list', 'checked');\n }\n };\n\n domNode.addEventListener('touchstart', listEventHandler);\n domNode.addEventListener('mousedown', listEventHandler);\n return _this2;\n }\n\n _createClass(List, [{\n key: 'format',\n value: function format(name, value) {\n if (this.children.length > 0) {\n this.children.tail.format(name, value);\n }\n }\n }, {\n key: 'formats',\n value: function formats() {\n // We don't inherit from FormatBlot\n return _defineProperty({}, this.statics.blotName, this.statics.formats(this.domNode));\n }\n }, {\n key: 'insertBefore',\n value: function insertBefore(blot, ref) {\n if (blot instanceof ListItem) {\n _get(List.prototype.__proto__ || Object.getPrototypeOf(List.prototype), 'insertBefore', this).call(this, blot, ref);\n } else {\n var index = ref == null ? this.length() : ref.offset(this);\n var after = this.split(index);\n after.parent.insertBefore(blot, after);\n }\n }\n }, {\n key: 'optimize',\n value: function optimize(context) {\n _get(List.prototype.__proto__ || Object.getPrototypeOf(List.prototype), 'optimize', this).call(this, context);\n var next = this.next;\n if (next != null && next.prev === this && next.statics.blotName === this.statics.blotName && next.domNode.tagName === this.domNode.tagName && next.domNode.getAttribute('data-checked') === this.domNode.getAttribute('data-checked')) {\n next.moveChildren(this);\n next.remove();\n }\n }\n }, {\n key: 'replace',\n value: function replace(target) {\n if (target.statics.blotName !== this.statics.blotName) {\n var item = _parchment2.default.create(this.statics.defaultChild);\n target.moveChildren(item);\n this.appendChild(item);\n }\n _get(List.prototype.__proto__ || Object.getPrototypeOf(List.prototype), 'replace', this).call(this, target);\n }\n }]);\n\n return List;\n}(_container2.default);\n\nList.blotName = 'list';\nList.scope = _parchment2.default.Scope.BLOCK_BLOT;\nList.tagName = ['OL', 'UL'];\nList.defaultChild = 'list-item';\nList.allowedChildren = [ListItem];\n\nexports.ListItem = ListItem;\nexports.default = List;\n\n/***/ }),\n/* 68 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _bold = __webpack_require__(56);\n\nvar _bold2 = _interopRequireDefault(_bold);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }\n\nvar Italic = function (_Bold) {\n _inherits(Italic, _Bold);\n\n function Italic() {\n _classCallCheck(this, Italic);\n\n return _possibleConstructorReturn(this, (Italic.__proto__ || Object.getPrototypeOf(Italic)).apply(this, arguments));\n }\n\n return Italic;\n}(_bold2.default);\n\nItalic.blotName = 'italic';\nItalic.tagName = ['EM', 'I'];\n\nexports.default = Italic;\n\n/***/ }),\n/* 69 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nvar _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 (\"value\" in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } };\n\nvar _inline = __webpack_require__(6);\n\nvar _inline2 = _interopRequireDefault(_inline);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }\n\nvar Script = function (_Inline) {\n _inherits(Script, _Inline);\n\n function Script() {\n _classCallCheck(this, Script);\n\n return _possibleConstructorReturn(this, (Script.__proto__ || Object.getPrototypeOf(Script)).apply(this, arguments));\n }\n\n _createClass(Script, null, [{\n key: 'create',\n value: function create(value) {\n if (value === 'super') {\n return document.createElement('sup');\n } else if (value === 'sub') {\n return document.createElement('sub');\n } else {\n return _get(Script.__proto__ || Object.getPrototypeOf(Script), 'create', this).call(this, value);\n }\n }\n }, {\n key: 'formats',\n value: function formats(domNode) {\n if (domNode.tagName === 'SUB') return 'sub';\n if (domNode.tagName === 'SUP') return 'super';\n return undefined;\n }\n }]);\n\n return Script;\n}(_inline2.default);\n\nScript.blotName = 'script';\nScript.tagName = ['SUB', 'SUP'];\n\nexports.default = Script;\n\n/***/ }),\n/* 70 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _inline = __webpack_require__(6);\n\nvar _inline2 = _interopRequireDefault(_inline);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }\n\nvar Strike = function (_Inline) {\n _inherits(Strike, _Inline);\n\n function Strike() {\n _classCallCheck(this, Strike);\n\n return _possibleConstructorReturn(this, (Strike.__proto__ || Object.getPrototypeOf(Strike)).apply(this, arguments));\n }\n\n return Strike;\n}(_inline2.default);\n\nStrike.blotName = 'strike';\nStrike.tagName = 'S';\n\nexports.default = Strike;\n\n/***/ }),\n/* 71 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _inline = __webpack_require__(6);\n\nvar _inline2 = _interopRequireDefault(_inline);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }\n\nvar Underline = function (_Inline) {\n _inherits(Underline, _Inline);\n\n function Underline() {\n _classCallCheck(this, Underline);\n\n return _possibleConstructorReturn(this, (Underline.__proto__ || Object.getPrototypeOf(Underline)).apply(this, arguments));\n }\n\n return Underline;\n}(_inline2.default);\n\nUnderline.blotName = 'underline';\nUnderline.tagName = 'U';\n\nexports.default = Underline;\n\n/***/ }),\n/* 72 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nvar _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 (\"value\" in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } };\n\nvar _parchment = __webpack_require__(0);\n\nvar _parchment2 = _interopRequireDefault(_parchment);\n\nvar _link = __webpack_require__(27);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }\n\nvar ATTRIBUTES = ['alt', 'height', 'width'];\n\nvar Image = function (_Parchment$Embed) {\n _inherits(Image, _Parchment$Embed);\n\n function Image() {\n _classCallCheck(this, Image);\n\n return _possibleConstructorReturn(this, (Image.__proto__ || Object.getPrototypeOf(Image)).apply(this, arguments));\n }\n\n _createClass(Image, [{\n key: 'format',\n value: function format(name, value) {\n if (ATTRIBUTES.indexOf(name) > -1) {\n if (value) {\n this.domNode.setAttribute(name, value);\n } else {\n this.domNode.removeAttribute(name);\n }\n } else {\n _get(Image.prototype.__proto__ || Object.getPrototypeOf(Image.prototype), 'format', this).call(this, name, value);\n }\n }\n }], [{\n key: 'create',\n value: function create(value) {\n var node = _get(Image.__proto__ || Object.getPrototypeOf(Image), 'create', this).call(this, value);\n if (typeof value === 'string') {\n node.setAttribute('src', this.sanitize(value));\n }\n return node;\n }\n }, {\n key: 'formats',\n value: function formats(domNode) {\n return ATTRIBUTES.reduce(function (formats, attribute) {\n if (domNode.hasAttribute(attribute)) {\n formats[attribute] = domNode.getAttribute(attribute);\n }\n return formats;\n }, {});\n }\n }, {\n key: 'match',\n value: function match(url) {\n return (/\\.(jpe?g|gif|png)$/.test(url) || /^data:image\\/.+;base64/.test(url)\n );\n }\n }, {\n key: 'sanitize',\n value: function sanitize(url) {\n return (0, _link.sanitize)(url, ['http', 'https', 'data']) ? url : '//:0';\n }\n }, {\n key: 'value',\n value: function value(domNode) {\n return domNode.getAttribute('src');\n }\n }]);\n\n return Image;\n}(_parchment2.default.Embed);\n\nImage.blotName = 'image';\nImage.tagName = 'IMG';\n\nexports.default = Image;\n\n/***/ }),\n/* 73 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nvar _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 (\"value\" in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } };\n\nvar _block = __webpack_require__(4);\n\nvar _link = __webpack_require__(27);\n\nvar _link2 = _interopRequireDefault(_link);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }\n\nvar ATTRIBUTES = ['height', 'width'];\n\nvar Video = function (_BlockEmbed) {\n _inherits(Video, _BlockEmbed);\n\n function Video() {\n _classCallCheck(this, Video);\n\n return _possibleConstructorReturn(this, (Video.__proto__ || Object.getPrototypeOf(Video)).apply(this, arguments));\n }\n\n _createClass(Video, [{\n key: 'format',\n value: function format(name, value) {\n if (ATTRIBUTES.indexOf(name) > -1) {\n if (value) {\n this.domNode.setAttribute(name, value);\n } else {\n this.domNode.removeAttribute(name);\n }\n } else {\n _get(Video.prototype.__proto__ || Object.getPrototypeOf(Video.prototype), 'format', this).call(this, name, value);\n }\n }\n }], [{\n key: 'create',\n value: function create(value) {\n var node = _get(Video.__proto__ || Object.getPrototypeOf(Video), 'create', this).call(this, value);\n node.setAttribute('frameborder', '0');\n node.setAttribute('allowfullscreen', true);\n node.setAttribute('src', this.sanitize(value));\n return node;\n }\n }, {\n key: 'formats',\n value: function formats(domNode) {\n return ATTRIBUTES.reduce(function (formats, attribute) {\n if (domNode.hasAttribute(attribute)) {\n formats[attribute] = domNode.getAttribute(attribute);\n }\n return formats;\n }, {});\n }\n }, {\n key: 'sanitize',\n value: function sanitize(url) {\n return _link2.default.sanitize(url);\n }\n }, {\n key: 'value',\n value: function value(domNode) {\n return domNode.getAttribute('src');\n }\n }]);\n\n return Video;\n}(_block.BlockEmbed);\n\nVideo.blotName = 'video';\nVideo.className = 'ql-video';\nVideo.tagName = 'IFRAME';\n\nexports.default = Video;\n\n/***/ }),\n/* 74 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.default = exports.FormulaBlot = undefined;\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nvar _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 (\"value\" in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } };\n\nvar _embed = __webpack_require__(35);\n\nvar _embed2 = _interopRequireDefault(_embed);\n\nvar _quill = __webpack_require__(5);\n\nvar _quill2 = _interopRequireDefault(_quill);\n\nvar _module = __webpack_require__(9);\n\nvar _module2 = _interopRequireDefault(_module);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }\n\nvar FormulaBlot = function (_Embed) {\n _inherits(FormulaBlot, _Embed);\n\n function FormulaBlot() {\n _classCallCheck(this, FormulaBlot);\n\n return _possibleConstructorReturn(this, (FormulaBlot.__proto__ || Object.getPrototypeOf(FormulaBlot)).apply(this, arguments));\n }\n\n _createClass(FormulaBlot, null, [{\n key: 'create',\n value: function create(value) {\n var node = _get(FormulaBlot.__proto__ || Object.getPrototypeOf(FormulaBlot), 'create', this).call(this, value);\n if (typeof value === 'string') {\n window.katex.render(value, node, {\n throwOnError: false,\n errorColor: '#f00'\n });\n node.setAttribute('data-value', value);\n }\n return node;\n }\n }, {\n key: 'value',\n value: function value(domNode) {\n return domNode.getAttribute('data-value');\n }\n }]);\n\n return FormulaBlot;\n}(_embed2.default);\n\nFormulaBlot.blotName = 'formula';\nFormulaBlot.className = 'ql-formula';\nFormulaBlot.tagName = 'SPAN';\n\nvar Formula = function (_Module) {\n _inherits(Formula, _Module);\n\n _createClass(Formula, null, [{\n key: 'register',\n value: function register() {\n _quill2.default.register(FormulaBlot, true);\n }\n }]);\n\n function Formula() {\n _classCallCheck(this, Formula);\n\n var _this2 = _possibleConstructorReturn(this, (Formula.__proto__ || Object.getPrototypeOf(Formula)).call(this));\n\n if (window.katex == null) {\n throw new Error('Formula module requires KaTeX.');\n }\n return _this2;\n }\n\n return Formula;\n}(_module2.default);\n\nexports.FormulaBlot = FormulaBlot;\nexports.default = Formula;\n\n/***/ }),\n/* 75 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.default = exports.CodeToken = exports.CodeBlock = undefined;\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nvar _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 (\"value\" in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } };\n\nvar _parchment = __webpack_require__(0);\n\nvar _parchment2 = _interopRequireDefault(_parchment);\n\nvar _quill = __webpack_require__(5);\n\nvar _quill2 = _interopRequireDefault(_quill);\n\nvar _module = __webpack_require__(9);\n\nvar _module2 = _interopRequireDefault(_module);\n\nvar _code = __webpack_require__(13);\n\nvar _code2 = _interopRequireDefault(_code);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }\n\nvar SyntaxCodeBlock = function (_CodeBlock) {\n _inherits(SyntaxCodeBlock, _CodeBlock);\n\n function SyntaxCodeBlock() {\n _classCallCheck(this, SyntaxCodeBlock);\n\n return _possibleConstructorReturn(this, (SyntaxCodeBlock.__proto__ || Object.getPrototypeOf(SyntaxCodeBlock)).apply(this, arguments));\n }\n\n _createClass(SyntaxCodeBlock, [{\n key: 'replaceWith',\n value: function replaceWith(block) {\n this.domNode.textContent = this.domNode.textContent;\n this.attach();\n _get(SyntaxCodeBlock.prototype.__proto__ || Object.getPrototypeOf(SyntaxCodeBlock.prototype), 'replaceWith', this).call(this, block);\n }\n }, {\n key: 'highlight',\n value: function highlight(_highlight) {\n var text = this.domNode.textContent;\n if (this.cachedText !== text) {\n if (text.trim().length > 0 || this.cachedText == null) {\n this.domNode.innerHTML = _highlight(text);\n this.domNode.normalize();\n this.attach();\n }\n this.cachedText = text;\n }\n }\n }]);\n\n return SyntaxCodeBlock;\n}(_code2.default);\n\nSyntaxCodeBlock.className = 'ql-syntax';\n\nvar CodeToken = new _parchment2.default.Attributor.Class('token', 'hljs', {\n scope: _parchment2.default.Scope.INLINE\n});\n\nvar Syntax = function (_Module) {\n _inherits(Syntax, _Module);\n\n _createClass(Syntax, null, [{\n key: 'register',\n value: function register() {\n _quill2.default.register(CodeToken, true);\n _quill2.default.register(SyntaxCodeBlock, true);\n }\n }]);\n\n function Syntax(quill, options) {\n _classCallCheck(this, Syntax);\n\n var _this2 = _possibleConstructorReturn(this, (Syntax.__proto__ || Object.getPrototypeOf(Syntax)).call(this, quill, options));\n\n if (typeof _this2.options.highlight !== 'function') {\n throw new Error('Syntax module requires highlight.js. Please include the library on the page before Quill.');\n }\n var timer = null;\n _this2.quill.on(_quill2.default.events.SCROLL_OPTIMIZE, function () {\n clearTimeout(timer);\n timer = setTimeout(function () {\n _this2.highlight();\n timer = null;\n }, _this2.options.interval);\n });\n _this2.highlight();\n return _this2;\n }\n\n _createClass(Syntax, [{\n key: 'highlight',\n value: function highlight() {\n var _this3 = this;\n\n if (this.quill.selection.composing) return;\n this.quill.update(_quill2.default.sources.USER);\n var range = this.quill.getSelection();\n this.quill.scroll.descendants(SyntaxCodeBlock).forEach(function (code) {\n code.highlight(_this3.options.highlight);\n });\n this.quill.update(_quill2.default.sources.SILENT);\n if (range != null) {\n this.quill.setSelection(range, _quill2.default.sources.SILENT);\n }\n }\n }]);\n\n return Syntax;\n}(_module2.default);\n\nSyntax.DEFAULTS = {\n highlight: function () {\n if (window.hljs == null) return null;\n return function (text) {\n var result = window.hljs.highlightAuto(text);\n return result.value;\n };\n }(),\n interval: 1000\n};\n\nexports.CodeBlock = SyntaxCodeBlock;\nexports.CodeToken = CodeToken;\nexports.default = Syntax;\n\n/***/ }),\n/* 76 */\n/***/ (function(module, exports) {\n\nmodule.exports = \"\";\n\n/***/ }),\n/* 77 */\n/***/ (function(module, exports) {\n\nmodule.exports = \"\";\n\n/***/ }),\n/* 78 */\n/***/ (function(module, exports) {\n\nmodule.exports = \"\";\n\n/***/ }),\n/* 79 */\n/***/ (function(module, exports) {\n\nmodule.exports = \"\";\n\n/***/ }),\n/* 80 */\n/***/ (function(module, exports) {\n\nmodule.exports = \"\";\n\n/***/ }),\n/* 81 */\n/***/ (function(module, exports) {\n\nmodule.exports = \"\";\n\n/***/ }),\n/* 82 */\n/***/ (function(module, exports) {\n\nmodule.exports = \"\";\n\n/***/ }),\n/* 83 */\n/***/ (function(module, exports) {\n\nmodule.exports = \"\";\n\n/***/ }),\n/* 84 */\n/***/ (function(module, exports) {\n\nmodule.exports = \"\";\n\n/***/ }),\n/* 85 */\n/***/ (function(module, exports) {\n\nmodule.exports = \"\";\n\n/***/ }),\n/* 86 */\n/***/ (function(module, exports) {\n\nmodule.exports = \"\";\n\n/***/ }),\n/* 87 */\n/***/ (function(module, exports) {\n\nmodule.exports = \"\";\n\n/***/ }),\n/* 88 */\n/***/ (function(module, exports) {\n\nmodule.exports = \"\";\n\n/***/ }),\n/* 89 */\n/***/ (function(module, exports) {\n\nmodule.exports = \"\";\n\n/***/ }),\n/* 90 */\n/***/ (function(module, exports) {\n\nmodule.exports = \"\";\n\n/***/ }),\n/* 91 */\n/***/ (function(module, exports) {\n\nmodule.exports = \"\";\n\n/***/ }),\n/* 92 */\n/***/ (function(module, exports) {\n\nmodule.exports = \"\";\n\n/***/ }),\n/* 93 */\n/***/ (function(module, exports) {\n\nmodule.exports = \"\";\n\n/***/ }),\n/* 94 */\n/***/ (function(module, exports) {\n\nmodule.exports = \"\";\n\n/***/ }),\n/* 95 */\n/***/ (function(module, exports) {\n\nmodule.exports = \"\";\n\n/***/ }),\n/* 96 */\n/***/ (function(module, exports) {\n\nmodule.exports = \"\";\n\n/***/ }),\n/* 97 */\n/***/ (function(module, exports) {\n\nmodule.exports = \"\";\n\n/***/ }),\n/* 98 */\n/***/ (function(module, exports) {\n\nmodule.exports = \"\";\n\n/***/ }),\n/* 99 */\n/***/ (function(module, exports) {\n\nmodule.exports = \"\";\n\n/***/ }),\n/* 100 */\n/***/ (function(module, exports) {\n\nmodule.exports = \"\";\n\n/***/ }),\n/* 101 */\n/***/ (function(module, exports) {\n\nmodule.exports = \"\";\n\n/***/ }),\n/* 102 */\n/***/ (function(module, exports) {\n\nmodule.exports = \"\";\n\n/***/ }),\n/* 103 */\n/***/ (function(module, exports) {\n\nmodule.exports = \"\";\n\n/***/ }),\n/* 104 */\n/***/ (function(module, exports) {\n\nmodule.exports = \"\";\n\n/***/ }),\n/* 105 */\n/***/ (function(module, exports) {\n\nmodule.exports = \"\";\n\n/***/ }),\n/* 106 */\n/***/ (function(module, exports) {\n\nmodule.exports = \"\";\n\n/***/ }),\n/* 107 */\n/***/ (function(module, exports) {\n\nmodule.exports = \"\";\n\n/***/ }),\n/* 108 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.default = exports.BubbleTooltip = undefined;\n\nvar _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 (\"value\" in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } };\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nvar _extend = __webpack_require__(3);\n\nvar _extend2 = _interopRequireDefault(_extend);\n\nvar _emitter = __webpack_require__(8);\n\nvar _emitter2 = _interopRequireDefault(_emitter);\n\nvar _base = __webpack_require__(43);\n\nvar _base2 = _interopRequireDefault(_base);\n\nvar _selection = __webpack_require__(15);\n\nvar _icons = __webpack_require__(41);\n\nvar _icons2 = _interopRequireDefault(_icons);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }\n\nvar TOOLBAR_CONFIG = [['bold', 'italic', 'link'], [{ header: 1 }, { header: 2 }, 'blockquote']];\n\nvar BubbleTheme = function (_BaseTheme) {\n _inherits(BubbleTheme, _BaseTheme);\n\n function BubbleTheme(quill, options) {\n _classCallCheck(this, BubbleTheme);\n\n if (options.modules.toolbar != null && options.modules.toolbar.container == null) {\n options.modules.toolbar.container = TOOLBAR_CONFIG;\n }\n\n var _this = _possibleConstructorReturn(this, (BubbleTheme.__proto__ || Object.getPrototypeOf(BubbleTheme)).call(this, quill, options));\n\n _this.quill.container.classList.add('ql-bubble');\n return _this;\n }\n\n _createClass(BubbleTheme, [{\n key: 'extendToolbar',\n value: function extendToolbar(toolbar) {\n this.tooltip = new BubbleTooltip(this.quill, this.options.bounds);\n this.tooltip.root.appendChild(toolbar.container);\n this.buildButtons([].slice.call(toolbar.container.querySelectorAll('button')), _icons2.default);\n this.buildPickers([].slice.call(toolbar.container.querySelectorAll('select')), _icons2.default);\n }\n }]);\n\n return BubbleTheme;\n}(_base2.default);\n\nBubbleTheme.DEFAULTS = (0, _extend2.default)(true, {}, _base2.default.DEFAULTS, {\n modules: {\n toolbar: {\n handlers: {\n link: function link(value) {\n if (!value) {\n this.quill.format('link', false);\n } else {\n this.quill.theme.tooltip.edit();\n }\n }\n }\n }\n }\n});\n\nvar BubbleTooltip = function (_BaseTooltip) {\n _inherits(BubbleTooltip, _BaseTooltip);\n\n function BubbleTooltip(quill, bounds) {\n _classCallCheck(this, BubbleTooltip);\n\n var _this2 = _possibleConstructorReturn(this, (BubbleTooltip.__proto__ || Object.getPrototypeOf(BubbleTooltip)).call(this, quill, bounds));\n\n _this2.quill.on(_emitter2.default.events.EDITOR_CHANGE, function (type, range, oldRange, source) {\n if (type !== _emitter2.default.events.SELECTION_CHANGE) return;\n if (range != null && range.length > 0 && source === _emitter2.default.sources.USER) {\n _this2.show();\n // Lock our width so we will expand beyond our offsetParent boundaries\n _this2.root.style.left = '0px';\n _this2.root.style.width = '';\n _this2.root.style.width = _this2.root.offsetWidth + 'px';\n var lines = _this2.quill.getLines(range.index, range.length);\n if (lines.length === 1) {\n _this2.position(_this2.quill.getBounds(range));\n } else {\n var lastLine = lines[lines.length - 1];\n var index = _this2.quill.getIndex(lastLine);\n var length = Math.min(lastLine.length() - 1, range.index + range.length - index);\n var _bounds = _this2.quill.getBounds(new _selection.Range(index, length));\n _this2.position(_bounds);\n }\n } else if (document.activeElement !== _this2.textbox && _this2.quill.hasFocus()) {\n _this2.hide();\n }\n });\n return _this2;\n }\n\n _createClass(BubbleTooltip, [{\n key: 'listen',\n value: function listen() {\n var _this3 = this;\n\n _get(BubbleTooltip.prototype.__proto__ || Object.getPrototypeOf(BubbleTooltip.prototype), 'listen', this).call(this);\n this.root.querySelector('.ql-close').addEventListener('click', function () {\n _this3.root.classList.remove('ql-editing');\n });\n this.quill.on(_emitter2.default.events.SCROLL_OPTIMIZE, function () {\n // Let selection be restored by toolbar handlers before repositioning\n setTimeout(function () {\n if (_this3.root.classList.contains('ql-hidden')) return;\n var range = _this3.quill.getSelection();\n if (range != null) {\n _this3.position(_this3.quill.getBounds(range));\n }\n }, 1);\n });\n }\n }, {\n key: 'cancel',\n value: function cancel() {\n this.show();\n }\n }, {\n key: 'position',\n value: function position(reference) {\n var shift = _get(BubbleTooltip.prototype.__proto__ || Object.getPrototypeOf(BubbleTooltip.prototype), 'position', this).call(this, reference);\n var arrow = this.root.querySelector('.ql-tooltip-arrow');\n arrow.style.marginLeft = '';\n if (shift === 0) return shift;\n arrow.style.marginLeft = -1 * shift - arrow.offsetWidth / 2 + 'px';\n }\n }]);\n\n return BubbleTooltip;\n}(_base.BaseTooltip);\n\nBubbleTooltip.TEMPLATE = ['', '
', '', '', '
'].join('');\n\nexports.BubbleTooltip = BubbleTooltip;\nexports.default = BubbleTheme;\n\n/***/ }),\n/* 109 */\n/***/ (function(module, exports, __webpack_require__) {\n\nmodule.exports = __webpack_require__(63);\n\n\n/***/ })\n/******/ ])[\"default\"];\n});","!function(t,e){\"object\"==typeof exports&&\"object\"==typeof module?module.exports=e(require(\"quill\")):\"function\"==typeof define&&define.amd?define([\"quill\"],e):\"object\"==typeof exports?exports.VueQuillEditor=e(require(\"quill\")):t.VueQuillEditor=e(t.Quill)}(this,function(t){return function(t){function e(i){if(n[i])return n[i].exports;var l=n[i]={i:i,l:!1,exports:{}};return t[i].call(l.exports,l,l.exports,e),l.l=!0,l.exports}var n={};return e.m=t,e.c=n,e.i=function(t){return t},e.d=function(t,n,i){e.o(t,n)||Object.defineProperty(t,n,{configurable:!1,enumerable:!0,get:i})},e.n=function(t){var n=t&&t.__esModule?function(){return t.default}:function(){return t};return e.d(n,\"a\",n),n},e.o=function(t,e){return Object.prototype.hasOwnProperty.call(t,e)},e.p=\"/\",e(e.s=2)}([function(e,n){e.exports=t},function(t,e,n){\"use strict\";Object.defineProperty(e,\"__esModule\",{value:!0});var i=n(4),l=n.n(i),o=n(6),r=n(5),u=r(l.a,o.a,!1,null,null,null);e.default=u.exports},function(t,e,n){\"use strict\";function i(t){return t&&t.__esModule?t:{default:t}}Object.defineProperty(e,\"__esModule\",{value:!0}),e.install=e.quillEditor=e.Quill=void 0;var l=n(0),o=i(l),r=n(1),u=i(r),s=window.Quill||o.default,a=function(t,e){e&&(u.default.props.globalOptions.default=function(){return e}),t.component(u.default.name,u.default)},c={Quill:s,quillEditor:u.default,install:a};e.default=c,e.Quill=s,e.quillEditor=u.default,e.install=a},function(t,e,n){\"use strict\";Object.defineProperty(e,\"__esModule\",{value:!0}),e.default={theme:\"snow\",boundary:document.body,modules:{toolbar:[[\"bold\",\"italic\",\"underline\",\"strike\"],[\"blockquote\",\"code-block\"],[{header:1},{header:2}],[{list:\"ordered\"},{list:\"bullet\"}],[{script:\"sub\"},{script:\"super\"}],[{indent:\"-1\"},{indent:\"+1\"}],[{direction:\"rtl\"}],[{size:[\"small\",!1,\"large\",\"huge\"]}],[{header:[1,2,3,4,5,6,!1]}],[{color:[]},{background:[]}],[{font:[]}],[{align:[]}],[\"clean\"],[\"link\",\"image\",\"video\"]]},placeholder:\"Insert text here ...\",readOnly:!1}},function(t,e,n){\"use strict\";function i(t){return t&&t.__esModule?t:{default:t}}Object.defineProperty(e,\"__esModule\",{value:!0});var l=n(0),o=i(l),r=n(3),u=i(r),s=window.Quill||o.default;\"function\"!=typeof Object.assign&&Object.defineProperty(Object,\"assign\",{value:function(t,e){if(null==t)throw new TypeError(\"Cannot convert undefined or null to object\");for(var n=Object(t),i=1;i \"===l&&(l=\"\"),t._content=l,t.$emit(\"input\",t._content),t.$emit(\"change\",{html:l,text:r,quill:o})}),this.$emit(\"ready\",this.quill))}},watch:{content:function(t,e){this.quill&&(t&&t!==this._content?(this._content=t,this.quill.pasteHTML(t)):t||this.quill.setText(\"\"))},value:function(t,e){this.quill&&(t&&t!==this._content?(this._content=t,this.quill.pasteHTML(t)):t||this.quill.setText(\"\"))},disabled:function(t,e){this.quill&&this.quill.enable(!t)}}}},function(t,e){t.exports=function(t,e,n,i,l,o){var r,u=t=t||{},s=typeof t.default;\"object\"!==s&&\"function\"!==s||(r=t,u=t.default);var a=\"function\"==typeof u?u.options:u;e&&(a.render=e.render,a.staticRenderFns=e.staticRenderFns,a._compiled=!0),n&&(a.functional=!0),l&&(a._scopeId=l);var c;if(o?(c=function(t){t=t||this.$vnode&&this.$vnode.ssrContext||this.parent&&this.parent.$vnode&&this.parent.$vnode.ssrContext,t||\"undefined\"==typeof __VUE_SSR_CONTEXT__||(t=__VUE_SSR_CONTEXT__),i&&i.call(this,t),t&&t._registeredComponents&&t._registeredComponents.add(o)},a._ssrRegister=c):i&&(c=i),c){var d=a.functional,f=d?a.render:a.beforeCreate;d?(a._injectStyles=c,a.render=function(t,e){return c.call(e),f(t,e)}):a.beforeCreate=f?[].concat(f,c):[c]}return{esModule:r,exports:u,options:a}}},function(t,e,n){\"use strict\";var i=function(){var t=this,e=t.$createElement,n=t._self._c||e;return n(\"div\",{staticClass:\"quill-editor\"},[t._t(\"toolbar\"),t._v(\" \"),n(\"div\",{ref:\"editor\"})],2)},l=[],o={render:i,staticRenderFns:l};e.a=o}])});","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; }\n\nimport { Vue, mergeData } from '../../vue';\nimport { NAME_ICON_BASE } from '../../constants/components';\nimport { PROP_TYPE_BOOLEAN, PROP_TYPE_NUMBER_STRING, PROP_TYPE_STRING } from '../../constants/props';\nimport { identity } from '../../utils/identity';\nimport { isUndefinedOrNull } from '../../utils/inspect';\nimport { mathMax } from '../../utils/math';\nimport { toFloat } from '../../utils/number';\nimport { makeProp } from '../../utils/props'; // --- Constants ---\n// Base attributes needed on all icons\n\nvar baseAttrs = {\n viewBox: '0 0 16 16',\n width: '1em',\n height: '1em',\n focusable: 'false',\n role: 'img',\n 'aria-label': 'icon'\n}; // Attributes that are nulled out when stacked\n\nvar stackedAttrs = {\n width: null,\n height: null,\n focusable: null,\n role: null,\n 'aria-label': null\n}; // --- Props ---\n\nexport var props = {\n animation: makeProp(PROP_TYPE_STRING),\n content: makeProp(PROP_TYPE_STRING),\n flipH: makeProp(PROP_TYPE_BOOLEAN, false),\n flipV: makeProp(PROP_TYPE_BOOLEAN, false),\n fontScale: makeProp(PROP_TYPE_NUMBER_STRING, 1),\n rotate: makeProp(PROP_TYPE_NUMBER_STRING, 0),\n scale: makeProp(PROP_TYPE_NUMBER_STRING, 1),\n shiftH: makeProp(PROP_TYPE_NUMBER_STRING, 0),\n shiftV: makeProp(PROP_TYPE_NUMBER_STRING, 0),\n stacked: makeProp(PROP_TYPE_BOOLEAN, false),\n title: makeProp(PROP_TYPE_STRING),\n variant: makeProp(PROP_TYPE_STRING)\n}; // --- Main component ---\n// Shared private base component to reduce bundle/runtime size\n// @vue/component\n\nexport var BVIconBase = /*#__PURE__*/Vue.extend({\n name: NAME_ICON_BASE,\n functional: true,\n props: props,\n render: function render(h, _ref) {\n var _class;\n\n var data = _ref.data,\n props = _ref.props,\n children = _ref.children;\n var animation = props.animation,\n content = props.content,\n flipH = props.flipH,\n flipV = props.flipV,\n stacked = props.stacked,\n title = props.title,\n variant = props.variant;\n var fontScale = mathMax(toFloat(props.fontScale, 1), 0) || 1;\n var scale = mathMax(toFloat(props.scale, 1), 0) || 1;\n var rotate = toFloat(props.rotate, 0);\n var shiftH = toFloat(props.shiftH, 0);\n var shiftV = toFloat(props.shiftV, 0); // Compute the transforms\n // Note that order is important as SVG transforms are applied in order from\n // left to right and we want flipping/scale to occur before rotation\n // Note shifting is applied separately\n // Assumes that the viewbox is `0 0 16 16` (`8 8` is the center)\n\n var hasScale = flipH || flipV || scale !== 1;\n var hasTransforms = hasScale || rotate;\n var hasShift = shiftH || shiftV;\n var hasContent = !isUndefinedOrNull(content);\n var transforms = [hasTransforms ? 'translate(8 8)' : null, hasScale ? \"scale(\".concat((flipH ? -1 : 1) * scale, \" \").concat((flipV ? -1 : 1) * scale, \")\") : null, rotate ? \"rotate(\".concat(rotate, \")\") : null, hasTransforms ? 'translate(-8 -8)' : null].filter(identity); // We wrap the content in a `` for handling the transforms (except shift)\n\n var $inner = h('g', {\n attrs: {\n transform: transforms.join(' ') || null\n },\n domProps: hasContent ? {\n innerHTML: content || ''\n } : {}\n }, children); // If needed, we wrap in an additional `` in order to handle the shifting\n\n if (hasShift) {\n $inner = h('g', {\n attrs: {\n transform: \"translate(\".concat(16 * shiftH / 16, \" \").concat(-16 * shiftV / 16, \")\")\n }\n }, [$inner]);\n }\n\n if (stacked) {\n // Wrap in an additional `` for proper\n // animation handling if stacked\n $inner = h('g', {}, [$inner]);\n }\n\n var $title = title ? h('title', title) : null;\n return h('svg', mergeData({\n staticClass: 'b-icon bi',\n class: (_class = {}, _defineProperty(_class, \"text-\".concat(variant), variant), _defineProperty(_class, \"b-icon-animation-\".concat(animation), animation), _class),\n attrs: baseAttrs,\n style: stacked ? {} : {\n fontSize: fontScale === 1 ? null : \"\".concat(fontScale * 100, \"%\")\n }\n }, // Merge in user supplied data\n data, // If icon is stacked, null out some attrs\n stacked ? {\n attrs: stackedAttrs\n } : {}, // These cannot be overridden by users\n {\n attrs: {\n xmlns: stacked ? null : 'http://www.w3.org/2000/svg',\n fill: 'currentColor'\n }\n }), [$title, $inner]);\n }\n});","/*!\n * The buffer module from node.js, for the browser.\n *\n * @author Feross Aboukhadijeh \n * @license MIT\n */\n/* eslint-disable no-proto */\n\n'use strict'\n\nvar base64 = require('base64-js')\nvar ieee754 = require('ieee754')\nvar isArray = require('isarray')\n\nexports.Buffer = Buffer\nexports.SlowBuffer = SlowBuffer\nexports.INSPECT_MAX_BYTES = 50\n\n/**\n * If `Buffer.TYPED_ARRAY_SUPPORT`:\n * === true Use Uint8Array implementation (fastest)\n * === false Use Object implementation (most compatible, even IE6)\n *\n * Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+,\n * Opera 11.6+, iOS 4.2+.\n *\n * Due to various browser bugs, sometimes the Object implementation will be used even\n * when the browser supports typed arrays.\n *\n * Note:\n *\n * - Firefox 4-29 lacks support for adding new properties to `Uint8Array` instances,\n * See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438.\n *\n * - Chrome 9-10 is missing the `TypedArray.prototype.subarray` function.\n *\n * - IE10 has a broken `TypedArray.prototype.subarray` function which returns arrays of\n * incorrect length in some situations.\n\n * We detect these buggy browsers and set `Buffer.TYPED_ARRAY_SUPPORT` to `false` so they\n * get the Object implementation, which is slower but behaves correctly.\n */\nBuffer.TYPED_ARRAY_SUPPORT = global.TYPED_ARRAY_SUPPORT !== undefined\n ? global.TYPED_ARRAY_SUPPORT\n : typedArraySupport()\n\n/*\n * Export kMaxLength after typed array support is determined.\n */\nexports.kMaxLength = kMaxLength()\n\nfunction typedArraySupport () {\n try {\n var arr = new Uint8Array(1)\n arr.__proto__ = {__proto__: Uint8Array.prototype, foo: function () { return 42 }}\n return arr.foo() === 42 && // typed array instances can be augmented\n typeof arr.subarray === 'function' && // chrome 9-10 lack `subarray`\n arr.subarray(1, 1).byteLength === 0 // ie10 has broken `subarray`\n } catch (e) {\n return false\n }\n}\n\nfunction kMaxLength () {\n return Buffer.TYPED_ARRAY_SUPPORT\n ? 0x7fffffff\n : 0x3fffffff\n}\n\nfunction createBuffer (that, length) {\n if (kMaxLength() < length) {\n throw new RangeError('Invalid typed array length')\n }\n if (Buffer.TYPED_ARRAY_SUPPORT) {\n // Return an augmented `Uint8Array` instance, for best performance\n that = new Uint8Array(length)\n that.__proto__ = Buffer.prototype\n } else {\n // Fallback: Return an object instance of the Buffer class\n if (that === null) {\n that = new Buffer(length)\n }\n that.length = length\n }\n\n return that\n}\n\n/**\n * The Buffer constructor returns instances of `Uint8Array` that have their\n * prototype changed to `Buffer.prototype`. Furthermore, `Buffer` is a subclass of\n * `Uint8Array`, so the returned instances will have all the node `Buffer` methods\n * and the `Uint8Array` methods. Square bracket notation works as expected -- it\n * returns a single octet.\n *\n * The `Uint8Array` prototype remains unmodified.\n */\n\nfunction Buffer (arg, encodingOrOffset, length) {\n if (!Buffer.TYPED_ARRAY_SUPPORT && !(this instanceof Buffer)) {\n return new Buffer(arg, encodingOrOffset, length)\n }\n\n // Common case.\n if (typeof arg === 'number') {\n if (typeof encodingOrOffset === 'string') {\n throw new Error(\n 'If encoding is specified then the first argument must be a string'\n )\n }\n return allocUnsafe(this, arg)\n }\n return from(this, arg, encodingOrOffset, length)\n}\n\nBuffer.poolSize = 8192 // not used by this implementation\n\n// TODO: Legacy, not needed anymore. Remove in next major version.\nBuffer._augment = function (arr) {\n arr.__proto__ = Buffer.prototype\n return arr\n}\n\nfunction from (that, value, encodingOrOffset, length) {\n if (typeof value === 'number') {\n throw new TypeError('\"value\" argument must not be a number')\n }\n\n if (typeof ArrayBuffer !== 'undefined' && value instanceof ArrayBuffer) {\n return fromArrayBuffer(that, value, encodingOrOffset, length)\n }\n\n if (typeof value === 'string') {\n return fromString(that, value, encodingOrOffset)\n }\n\n return fromObject(that, value)\n}\n\n/**\n * Functionally equivalent to Buffer(arg, encoding) but throws a TypeError\n * if value is a number.\n * Buffer.from(str[, encoding])\n * Buffer.from(array)\n * Buffer.from(buffer)\n * Buffer.from(arrayBuffer[, byteOffset[, length]])\n **/\nBuffer.from = function (value, encodingOrOffset, length) {\n return from(null, value, encodingOrOffset, length)\n}\n\nif (Buffer.TYPED_ARRAY_SUPPORT) {\n Buffer.prototype.__proto__ = Uint8Array.prototype\n Buffer.__proto__ = Uint8Array\n if (typeof Symbol !== 'undefined' && Symbol.species &&\n Buffer[Symbol.species] === Buffer) {\n // Fix subarray() in ES2016. See: https://github.com/feross/buffer/pull/97\n Object.defineProperty(Buffer, Symbol.species, {\n value: null,\n configurable: true\n })\n }\n}\n\nfunction assertSize (size) {\n if (typeof size !== 'number') {\n throw new TypeError('\"size\" argument must be a number')\n } else if (size < 0) {\n throw new RangeError('\"size\" argument must not be negative')\n }\n}\n\nfunction alloc (that, size, fill, encoding) {\n assertSize(size)\n if (size <= 0) {\n return createBuffer(that, size)\n }\n if (fill !== undefined) {\n // Only pay attention to encoding if it's a string. This\n // prevents accidentally sending in a number that would\n // be interpretted as a start offset.\n return typeof encoding === 'string'\n ? createBuffer(that, size).fill(fill, encoding)\n : createBuffer(that, size).fill(fill)\n }\n return createBuffer(that, size)\n}\n\n/**\n * Creates a new filled Buffer instance.\n * alloc(size[, fill[, encoding]])\n **/\nBuffer.alloc = function (size, fill, encoding) {\n return alloc(null, size, fill, encoding)\n}\n\nfunction allocUnsafe (that, size) {\n assertSize(size)\n that = createBuffer(that, size < 0 ? 0 : checked(size) | 0)\n if (!Buffer.TYPED_ARRAY_SUPPORT) {\n for (var i = 0; i < size; ++i) {\n that[i] = 0\n }\n }\n return that\n}\n\n/**\n * Equivalent to Buffer(num), by default creates a non-zero-filled Buffer instance.\n * */\nBuffer.allocUnsafe = function (size) {\n return allocUnsafe(null, size)\n}\n/**\n * Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance.\n */\nBuffer.allocUnsafeSlow = function (size) {\n return allocUnsafe(null, size)\n}\n\nfunction fromString (that, string, encoding) {\n if (typeof encoding !== 'string' || encoding === '') {\n encoding = 'utf8'\n }\n\n if (!Buffer.isEncoding(encoding)) {\n throw new TypeError('\"encoding\" must be a valid string encoding')\n }\n\n var length = byteLength(string, encoding) | 0\n that = createBuffer(that, length)\n\n var actual = that.write(string, encoding)\n\n if (actual !== length) {\n // Writing a hex string, for example, that contains invalid characters will\n // cause everything after the first invalid character to be ignored. (e.g.\n // 'abxxcd' will be treated as 'ab')\n that = that.slice(0, actual)\n }\n\n return that\n}\n\nfunction fromArrayLike (that, array) {\n var length = array.length < 0 ? 0 : checked(array.length) | 0\n that = createBuffer(that, length)\n for (var i = 0; i < length; i += 1) {\n that[i] = array[i] & 255\n }\n return that\n}\n\nfunction fromArrayBuffer (that, array, byteOffset, length) {\n array.byteLength // this throws if `array` is not a valid ArrayBuffer\n\n if (byteOffset < 0 || array.byteLength < byteOffset) {\n throw new RangeError('\\'offset\\' is out of bounds')\n }\n\n if (array.byteLength < byteOffset + (length || 0)) {\n throw new RangeError('\\'length\\' is out of bounds')\n }\n\n if (byteOffset === undefined && length === undefined) {\n array = new Uint8Array(array)\n } else if (length === undefined) {\n array = new Uint8Array(array, byteOffset)\n } else {\n array = new Uint8Array(array, byteOffset, length)\n }\n\n if (Buffer.TYPED_ARRAY_SUPPORT) {\n // Return an augmented `Uint8Array` instance, for best performance\n that = array\n that.__proto__ = Buffer.prototype\n } else {\n // Fallback: Return an object instance of the Buffer class\n that = fromArrayLike(that, array)\n }\n return that\n}\n\nfunction fromObject (that, obj) {\n if (Buffer.isBuffer(obj)) {\n var len = checked(obj.length) | 0\n that = createBuffer(that, len)\n\n if (that.length === 0) {\n return that\n }\n\n obj.copy(that, 0, 0, len)\n return that\n }\n\n if (obj) {\n if ((typeof ArrayBuffer !== 'undefined' &&\n obj.buffer instanceof ArrayBuffer) || 'length' in obj) {\n if (typeof obj.length !== 'number' || isnan(obj.length)) {\n return createBuffer(that, 0)\n }\n return fromArrayLike(that, obj)\n }\n\n if (obj.type === 'Buffer' && isArray(obj.data)) {\n return fromArrayLike(that, obj.data)\n }\n }\n\n throw new TypeError('First argument must be a string, Buffer, ArrayBuffer, Array, or array-like object.')\n}\n\nfunction checked (length) {\n // Note: cannot use `length < kMaxLength()` here because that fails when\n // length is NaN (which is otherwise coerced to zero.)\n if (length >= kMaxLength()) {\n throw new RangeError('Attempt to allocate Buffer larger than maximum ' +\n 'size: 0x' + kMaxLength().toString(16) + ' bytes')\n }\n return length | 0\n}\n\nfunction SlowBuffer (length) {\n if (+length != length) { // eslint-disable-line eqeqeq\n length = 0\n }\n return Buffer.alloc(+length)\n}\n\nBuffer.isBuffer = function isBuffer (b) {\n return !!(b != null && b._isBuffer)\n}\n\nBuffer.compare = function compare (a, b) {\n if (!Buffer.isBuffer(a) || !Buffer.isBuffer(b)) {\n throw new TypeError('Arguments must be Buffers')\n }\n\n if (a === b) return 0\n\n var x = a.length\n var y = b.length\n\n for (var i = 0, len = Math.min(x, y); i < len; ++i) {\n if (a[i] !== b[i]) {\n x = a[i]\n y = b[i]\n break\n }\n }\n\n if (x < y) return -1\n if (y < x) return 1\n return 0\n}\n\nBuffer.isEncoding = function isEncoding (encoding) {\n switch (String(encoding).toLowerCase()) {\n case 'hex':\n case 'utf8':\n case 'utf-8':\n case 'ascii':\n case 'latin1':\n case 'binary':\n case 'base64':\n case 'ucs2':\n case 'ucs-2':\n case 'utf16le':\n case 'utf-16le':\n return true\n default:\n return false\n }\n}\n\nBuffer.concat = function concat (list, length) {\n if (!isArray(list)) {\n throw new TypeError('\"list\" argument must be an Array of Buffers')\n }\n\n if (list.length === 0) {\n return Buffer.alloc(0)\n }\n\n var i\n if (length === undefined) {\n length = 0\n for (i = 0; i < list.length; ++i) {\n length += list[i].length\n }\n }\n\n var buffer = Buffer.allocUnsafe(length)\n var pos = 0\n for (i = 0; i < list.length; ++i) {\n var buf = list[i]\n if (!Buffer.isBuffer(buf)) {\n throw new TypeError('\"list\" argument must be an Array of Buffers')\n }\n buf.copy(buffer, pos)\n pos += buf.length\n }\n return buffer\n}\n\nfunction byteLength (string, encoding) {\n if (Buffer.isBuffer(string)) {\n return string.length\n }\n if (typeof ArrayBuffer !== 'undefined' && typeof ArrayBuffer.isView === 'function' &&\n (ArrayBuffer.isView(string) || string instanceof ArrayBuffer)) {\n return string.byteLength\n }\n if (typeof string !== 'string') {\n string = '' + string\n }\n\n var len = string.length\n if (len === 0) return 0\n\n // Use a for loop to avoid recursion\n var loweredCase = false\n for (;;) {\n switch (encoding) {\n case 'ascii':\n case 'latin1':\n case 'binary':\n return len\n case 'utf8':\n case 'utf-8':\n case undefined:\n return utf8ToBytes(string).length\n case 'ucs2':\n case 'ucs-2':\n case 'utf16le':\n case 'utf-16le':\n return len * 2\n case 'hex':\n return len >>> 1\n case 'base64':\n return base64ToBytes(string).length\n default:\n if (loweredCase) return utf8ToBytes(string).length // assume utf8\n encoding = ('' + encoding).toLowerCase()\n loweredCase = true\n }\n }\n}\nBuffer.byteLength = byteLength\n\nfunction slowToString (encoding, start, end) {\n var loweredCase = false\n\n // No need to verify that \"this.length <= MAX_UINT32\" since it's a read-only\n // property of a typed array.\n\n // This behaves neither like String nor Uint8Array in that we set start/end\n // to their upper/lower bounds if the value passed is out of range.\n // undefined is handled specially as per ECMA-262 6th Edition,\n // Section 13.3.3.7 Runtime Semantics: KeyedBindingInitialization.\n if (start === undefined || start < 0) {\n start = 0\n }\n // Return early if start > this.length. Done here to prevent potential uint32\n // coercion fail below.\n if (start > this.length) {\n return ''\n }\n\n if (end === undefined || end > this.length) {\n end = this.length\n }\n\n if (end <= 0) {\n return ''\n }\n\n // Force coersion to uint32. This will also coerce falsey/NaN values to 0.\n end >>>= 0\n start >>>= 0\n\n if (end <= start) {\n return ''\n }\n\n if (!encoding) encoding = 'utf8'\n\n while (true) {\n switch (encoding) {\n case 'hex':\n return hexSlice(this, start, end)\n\n case 'utf8':\n case 'utf-8':\n return utf8Slice(this, start, end)\n\n case 'ascii':\n return asciiSlice(this, start, end)\n\n case 'latin1':\n case 'binary':\n return latin1Slice(this, start, end)\n\n case 'base64':\n return base64Slice(this, start, end)\n\n case 'ucs2':\n case 'ucs-2':\n case 'utf16le':\n case 'utf-16le':\n return utf16leSlice(this, start, end)\n\n default:\n if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)\n encoding = (encoding + '').toLowerCase()\n loweredCase = true\n }\n }\n}\n\n// The property is used by `Buffer.isBuffer` and `is-buffer` (in Safari 5-7) to detect\n// Buffer instances.\nBuffer.prototype._isBuffer = true\n\nfunction swap (b, n, m) {\n var i = b[n]\n b[n] = b[m]\n b[m] = i\n}\n\nBuffer.prototype.swap16 = function swap16 () {\n var len = this.length\n if (len % 2 !== 0) {\n throw new RangeError('Buffer size must be a multiple of 16-bits')\n }\n for (var i = 0; i < len; i += 2) {\n swap(this, i, i + 1)\n }\n return this\n}\n\nBuffer.prototype.swap32 = function swap32 () {\n var len = this.length\n if (len % 4 !== 0) {\n throw new RangeError('Buffer size must be a multiple of 32-bits')\n }\n for (var i = 0; i < len; i += 4) {\n swap(this, i, i + 3)\n swap(this, i + 1, i + 2)\n }\n return this\n}\n\nBuffer.prototype.swap64 = function swap64 () {\n var len = this.length\n if (len % 8 !== 0) {\n throw new RangeError('Buffer size must be a multiple of 64-bits')\n }\n for (var i = 0; i < len; i += 8) {\n swap(this, i, i + 7)\n swap(this, i + 1, i + 6)\n swap(this, i + 2, i + 5)\n swap(this, i + 3, i + 4)\n }\n return this\n}\n\nBuffer.prototype.toString = function toString () {\n var length = this.length | 0\n if (length === 0) return ''\n if (arguments.length === 0) return utf8Slice(this, 0, length)\n return slowToString.apply(this, arguments)\n}\n\nBuffer.prototype.equals = function equals (b) {\n if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer')\n if (this === b) return true\n return Buffer.compare(this, b) === 0\n}\n\nBuffer.prototype.inspect = function inspect () {\n var str = ''\n var max = exports.INSPECT_MAX_BYTES\n if (this.length > 0) {\n str = this.toString('hex', 0, max).match(/.{2}/g).join(' ')\n if (this.length > max) str += ' ... '\n }\n return ''\n}\n\nBuffer.prototype.compare = function compare (target, start, end, thisStart, thisEnd) {\n if (!Buffer.isBuffer(target)) {\n throw new TypeError('Argument must be a Buffer')\n }\n\n if (start === undefined) {\n start = 0\n }\n if (end === undefined) {\n end = target ? target.length : 0\n }\n if (thisStart === undefined) {\n thisStart = 0\n }\n if (thisEnd === undefined) {\n thisEnd = this.length\n }\n\n if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) {\n throw new RangeError('out of range index')\n }\n\n if (thisStart >= thisEnd && start >= end) {\n return 0\n }\n if (thisStart >= thisEnd) {\n return -1\n }\n if (start >= end) {\n return 1\n }\n\n start >>>= 0\n end >>>= 0\n thisStart >>>= 0\n thisEnd >>>= 0\n\n if (this === target) return 0\n\n var x = thisEnd - thisStart\n var y = end - start\n var len = Math.min(x, y)\n\n var thisCopy = this.slice(thisStart, thisEnd)\n var targetCopy = target.slice(start, end)\n\n for (var i = 0; i < len; ++i) {\n if (thisCopy[i] !== targetCopy[i]) {\n x = thisCopy[i]\n y = targetCopy[i]\n break\n }\n }\n\n if (x < y) return -1\n if (y < x) return 1\n return 0\n}\n\n// Finds either the first index of `val` in `buffer` at offset >= `byteOffset`,\n// OR the last index of `val` in `buffer` at offset <= `byteOffset`.\n//\n// Arguments:\n// - buffer - a Buffer to search\n// - val - a string, Buffer, or number\n// - byteOffset - an index into `buffer`; will be clamped to an int32\n// - encoding - an optional encoding, relevant is val is a string\n// - dir - true for indexOf, false for lastIndexOf\nfunction bidirectionalIndexOf (buffer, val, byteOffset, encoding, dir) {\n // Empty buffer means no match\n if (buffer.length === 0) return -1\n\n // Normalize byteOffset\n if (typeof byteOffset === 'string') {\n encoding = byteOffset\n byteOffset = 0\n } else if (byteOffset > 0x7fffffff) {\n byteOffset = 0x7fffffff\n } else if (byteOffset < -0x80000000) {\n byteOffset = -0x80000000\n }\n byteOffset = +byteOffset // Coerce to Number.\n if (isNaN(byteOffset)) {\n // byteOffset: it it's undefined, null, NaN, \"foo\", etc, search whole buffer\n byteOffset = dir ? 0 : (buffer.length - 1)\n }\n\n // Normalize byteOffset: negative offsets start from the end of the buffer\n if (byteOffset < 0) byteOffset = buffer.length + byteOffset\n if (byteOffset >= buffer.length) {\n if (dir) return -1\n else byteOffset = buffer.length - 1\n } else if (byteOffset < 0) {\n if (dir) byteOffset = 0\n else return -1\n }\n\n // Normalize val\n if (typeof val === 'string') {\n val = Buffer.from(val, encoding)\n }\n\n // Finally, search either indexOf (if dir is true) or lastIndexOf\n if (Buffer.isBuffer(val)) {\n // Special case: looking for empty string/buffer always fails\n if (val.length === 0) {\n return -1\n }\n return arrayIndexOf(buffer, val, byteOffset, encoding, dir)\n } else if (typeof val === 'number') {\n val = val & 0xFF // Search for a byte value [0-255]\n if (Buffer.TYPED_ARRAY_SUPPORT &&\n typeof Uint8Array.prototype.indexOf === 'function') {\n if (dir) {\n return Uint8Array.prototype.indexOf.call(buffer, val, byteOffset)\n } else {\n return Uint8Array.prototype.lastIndexOf.call(buffer, val, byteOffset)\n }\n }\n return arrayIndexOf(buffer, [ val ], byteOffset, encoding, dir)\n }\n\n throw new TypeError('val must be string, number or Buffer')\n}\n\nfunction arrayIndexOf (arr, val, byteOffset, encoding, dir) {\n var indexSize = 1\n var arrLength = arr.length\n var valLength = val.length\n\n if (encoding !== undefined) {\n encoding = String(encoding).toLowerCase()\n if (encoding === 'ucs2' || encoding === 'ucs-2' ||\n encoding === 'utf16le' || encoding === 'utf-16le') {\n if (arr.length < 2 || val.length < 2) {\n return -1\n }\n indexSize = 2\n arrLength /= 2\n valLength /= 2\n byteOffset /= 2\n }\n }\n\n function read (buf, i) {\n if (indexSize === 1) {\n return buf[i]\n } else {\n return buf.readUInt16BE(i * indexSize)\n }\n }\n\n var i\n if (dir) {\n var foundIndex = -1\n for (i = byteOffset; i < arrLength; i++) {\n if (read(arr, i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) {\n if (foundIndex === -1) foundIndex = i\n if (i - foundIndex + 1 === valLength) return foundIndex * indexSize\n } else {\n if (foundIndex !== -1) i -= i - foundIndex\n foundIndex = -1\n }\n }\n } else {\n if (byteOffset + valLength > arrLength) byteOffset = arrLength - valLength\n for (i = byteOffset; i >= 0; i--) {\n var found = true\n for (var j = 0; j < valLength; j++) {\n if (read(arr, i + j) !== read(val, j)) {\n found = false\n break\n }\n }\n if (found) return i\n }\n }\n\n return -1\n}\n\nBuffer.prototype.includes = function includes (val, byteOffset, encoding) {\n return this.indexOf(val, byteOffset, encoding) !== -1\n}\n\nBuffer.prototype.indexOf = function indexOf (val, byteOffset, encoding) {\n return bidirectionalIndexOf(this, val, byteOffset, encoding, true)\n}\n\nBuffer.prototype.lastIndexOf = function lastIndexOf (val, byteOffset, encoding) {\n return bidirectionalIndexOf(this, val, byteOffset, encoding, false)\n}\n\nfunction hexWrite (buf, string, offset, length) {\n offset = Number(offset) || 0\n var remaining = buf.length - offset\n if (!length) {\n length = remaining\n } else {\n length = Number(length)\n if (length > remaining) {\n length = remaining\n }\n }\n\n // must be an even number of digits\n var strLen = string.length\n if (strLen % 2 !== 0) throw new TypeError('Invalid hex string')\n\n if (length > strLen / 2) {\n length = strLen / 2\n }\n for (var i = 0; i < length; ++i) {\n var parsed = parseInt(string.substr(i * 2, 2), 16)\n if (isNaN(parsed)) return i\n buf[offset + i] = parsed\n }\n return i\n}\n\nfunction utf8Write (buf, string, offset, length) {\n return blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length)\n}\n\nfunction asciiWrite (buf, string, offset, length) {\n return blitBuffer(asciiToBytes(string), buf, offset, length)\n}\n\nfunction latin1Write (buf, string, offset, length) {\n return asciiWrite(buf, string, offset, length)\n}\n\nfunction base64Write (buf, string, offset, length) {\n return blitBuffer(base64ToBytes(string), buf, offset, length)\n}\n\nfunction ucs2Write (buf, string, offset, length) {\n return blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length)\n}\n\nBuffer.prototype.write = function write (string, offset, length, encoding) {\n // Buffer#write(string)\n if (offset === undefined) {\n encoding = 'utf8'\n length = this.length\n offset = 0\n // Buffer#write(string, encoding)\n } else if (length === undefined && typeof offset === 'string') {\n encoding = offset\n length = this.length\n offset = 0\n // Buffer#write(string, offset[, length][, encoding])\n } else if (isFinite(offset)) {\n offset = offset | 0\n if (isFinite(length)) {\n length = length | 0\n if (encoding === undefined) encoding = 'utf8'\n } else {\n encoding = length\n length = undefined\n }\n // legacy write(string, encoding, offset, length) - remove in v0.13\n } else {\n throw new Error(\n 'Buffer.write(string, encoding, offset[, length]) is no longer supported'\n )\n }\n\n var remaining = this.length - offset\n if (length === undefined || length > remaining) length = remaining\n\n if ((string.length > 0 && (length < 0 || offset < 0)) || offset > this.length) {\n throw new RangeError('Attempt to write outside buffer bounds')\n }\n\n if (!encoding) encoding = 'utf8'\n\n var loweredCase = false\n for (;;) {\n switch (encoding) {\n case 'hex':\n return hexWrite(this, string, offset, length)\n\n case 'utf8':\n case 'utf-8':\n return utf8Write(this, string, offset, length)\n\n case 'ascii':\n return asciiWrite(this, string, offset, length)\n\n case 'latin1':\n case 'binary':\n return latin1Write(this, string, offset, length)\n\n case 'base64':\n // Warning: maxLength not taken into account in base64Write\n return base64Write(this, string, offset, length)\n\n case 'ucs2':\n case 'ucs-2':\n case 'utf16le':\n case 'utf-16le':\n return ucs2Write(this, string, offset, length)\n\n default:\n if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)\n encoding = ('' + encoding).toLowerCase()\n loweredCase = true\n }\n }\n}\n\nBuffer.prototype.toJSON = function toJSON () {\n return {\n type: 'Buffer',\n data: Array.prototype.slice.call(this._arr || this, 0)\n }\n}\n\nfunction base64Slice (buf, start, end) {\n if (start === 0 && end === buf.length) {\n return base64.fromByteArray(buf)\n } else {\n return base64.fromByteArray(buf.slice(start, end))\n }\n}\n\nfunction utf8Slice (buf, start, end) {\n end = Math.min(buf.length, end)\n var res = []\n\n var i = start\n while (i < end) {\n var firstByte = buf[i]\n var codePoint = null\n var bytesPerSequence = (firstByte > 0xEF) ? 4\n : (firstByte > 0xDF) ? 3\n : (firstByte > 0xBF) ? 2\n : 1\n\n if (i + bytesPerSequence <= end) {\n var secondByte, thirdByte, fourthByte, tempCodePoint\n\n switch (bytesPerSequence) {\n case 1:\n if (firstByte < 0x80) {\n codePoint = firstByte\n }\n break\n case 2:\n secondByte = buf[i + 1]\n if ((secondByte & 0xC0) === 0x80) {\n tempCodePoint = (firstByte & 0x1F) << 0x6 | (secondByte & 0x3F)\n if (tempCodePoint > 0x7F) {\n codePoint = tempCodePoint\n }\n }\n break\n case 3:\n secondByte = buf[i + 1]\n thirdByte = buf[i + 2]\n if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) {\n tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | (thirdByte & 0x3F)\n if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) {\n codePoint = tempCodePoint\n }\n }\n break\n case 4:\n secondByte = buf[i + 1]\n thirdByte = buf[i + 2]\n fourthByte = buf[i + 3]\n if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) {\n tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | (fourthByte & 0x3F)\n if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) {\n codePoint = tempCodePoint\n }\n }\n }\n }\n\n if (codePoint === null) {\n // we did not generate a valid codePoint so insert a\n // replacement char (U+FFFD) and advance only 1 byte\n codePoint = 0xFFFD\n bytesPerSequence = 1\n } else if (codePoint > 0xFFFF) {\n // encode to utf16 (surrogate pair dance)\n codePoint -= 0x10000\n res.push(codePoint >>> 10 & 0x3FF | 0xD800)\n codePoint = 0xDC00 | codePoint & 0x3FF\n }\n\n res.push(codePoint)\n i += bytesPerSequence\n }\n\n return decodeCodePointsArray(res)\n}\n\n// Based on http://stackoverflow.com/a/22747272/680742, the browser with\n// the lowest limit is Chrome, with 0x10000 args.\n// We go 1 magnitude less, for safety\nvar MAX_ARGUMENTS_LENGTH = 0x1000\n\nfunction decodeCodePointsArray (codePoints) {\n var len = codePoints.length\n if (len <= MAX_ARGUMENTS_LENGTH) {\n return String.fromCharCode.apply(String, codePoints) // avoid extra slice()\n }\n\n // Decode in chunks to avoid \"call stack size exceeded\".\n var res = ''\n var i = 0\n while (i < len) {\n res += String.fromCharCode.apply(\n String,\n codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH)\n )\n }\n return res\n}\n\nfunction asciiSlice (buf, start, end) {\n var ret = ''\n end = Math.min(buf.length, end)\n\n for (var i = start; i < end; ++i) {\n ret += String.fromCharCode(buf[i] & 0x7F)\n }\n return ret\n}\n\nfunction latin1Slice (buf, start, end) {\n var ret = ''\n end = Math.min(buf.length, end)\n\n for (var i = start; i < end; ++i) {\n ret += String.fromCharCode(buf[i])\n }\n return ret\n}\n\nfunction hexSlice (buf, start, end) {\n var len = buf.length\n\n if (!start || start < 0) start = 0\n if (!end || end < 0 || end > len) end = len\n\n var out = ''\n for (var i = start; i < end; ++i) {\n out += toHex(buf[i])\n }\n return out\n}\n\nfunction utf16leSlice (buf, start, end) {\n var bytes = buf.slice(start, end)\n var res = ''\n for (var i = 0; i < bytes.length; i += 2) {\n res += String.fromCharCode(bytes[i] + bytes[i + 1] * 256)\n }\n return res\n}\n\nBuffer.prototype.slice = function slice (start, end) {\n var len = this.length\n start = ~~start\n end = end === undefined ? len : ~~end\n\n if (start < 0) {\n start += len\n if (start < 0) start = 0\n } else if (start > len) {\n start = len\n }\n\n if (end < 0) {\n end += len\n if (end < 0) end = 0\n } else if (end > len) {\n end = len\n }\n\n if (end < start) end = start\n\n var newBuf\n if (Buffer.TYPED_ARRAY_SUPPORT) {\n newBuf = this.subarray(start, end)\n newBuf.__proto__ = Buffer.prototype\n } else {\n var sliceLen = end - start\n newBuf = new Buffer(sliceLen, undefined)\n for (var i = 0; i < sliceLen; ++i) {\n newBuf[i] = this[i + start]\n }\n }\n\n return newBuf\n}\n\n/*\n * Need to make sure that buffer isn't trying to write out of bounds.\n */\nfunction checkOffset (offset, ext, length) {\n if ((offset % 1) !== 0 || offset < 0) throw new RangeError('offset is not uint')\n if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length')\n}\n\nBuffer.prototype.readUIntLE = function readUIntLE (offset, byteLength, noAssert) {\n offset = offset | 0\n byteLength = byteLength | 0\n if (!noAssert) checkOffset(offset, byteLength, this.length)\n\n var val = this[offset]\n var mul = 1\n var i = 0\n while (++i < byteLength && (mul *= 0x100)) {\n val += this[offset + i] * mul\n }\n\n return val\n}\n\nBuffer.prototype.readUIntBE = function readUIntBE (offset, byteLength, noAssert) {\n offset = offset | 0\n byteLength = byteLength | 0\n if (!noAssert) {\n checkOffset(offset, byteLength, this.length)\n }\n\n var val = this[offset + --byteLength]\n var mul = 1\n while (byteLength > 0 && (mul *= 0x100)) {\n val += this[offset + --byteLength] * mul\n }\n\n return val\n}\n\nBuffer.prototype.readUInt8 = function readUInt8 (offset, noAssert) {\n if (!noAssert) checkOffset(offset, 1, this.length)\n return this[offset]\n}\n\nBuffer.prototype.readUInt16LE = function readUInt16LE (offset, noAssert) {\n if (!noAssert) checkOffset(offset, 2, this.length)\n return this[offset] | (this[offset + 1] << 8)\n}\n\nBuffer.prototype.readUInt16BE = function readUInt16BE (offset, noAssert) {\n if (!noAssert) checkOffset(offset, 2, this.length)\n return (this[offset] << 8) | this[offset + 1]\n}\n\nBuffer.prototype.readUInt32LE = function readUInt32LE (offset, noAssert) {\n if (!noAssert) checkOffset(offset, 4, this.length)\n\n return ((this[offset]) |\n (this[offset + 1] << 8) |\n (this[offset + 2] << 16)) +\n (this[offset + 3] * 0x1000000)\n}\n\nBuffer.prototype.readUInt32BE = function readUInt32BE (offset, noAssert) {\n if (!noAssert) checkOffset(offset, 4, this.length)\n\n return (this[offset] * 0x1000000) +\n ((this[offset + 1] << 16) |\n (this[offset + 2] << 8) |\n this[offset + 3])\n}\n\nBuffer.prototype.readIntLE = function readIntLE (offset, byteLength, noAssert) {\n offset = offset | 0\n byteLength = byteLength | 0\n if (!noAssert) checkOffset(offset, byteLength, this.length)\n\n var val = this[offset]\n var mul = 1\n var i = 0\n while (++i < byteLength && (mul *= 0x100)) {\n val += this[offset + i] * mul\n }\n mul *= 0x80\n\n if (val >= mul) val -= Math.pow(2, 8 * byteLength)\n\n return val\n}\n\nBuffer.prototype.readIntBE = function readIntBE (offset, byteLength, noAssert) {\n offset = offset | 0\n byteLength = byteLength | 0\n if (!noAssert) checkOffset(offset, byteLength, this.length)\n\n var i = byteLength\n var mul = 1\n var val = this[offset + --i]\n while (i > 0 && (mul *= 0x100)) {\n val += this[offset + --i] * mul\n }\n mul *= 0x80\n\n if (val >= mul) val -= Math.pow(2, 8 * byteLength)\n\n return val\n}\n\nBuffer.prototype.readInt8 = function readInt8 (offset, noAssert) {\n if (!noAssert) checkOffset(offset, 1, this.length)\n if (!(this[offset] & 0x80)) return (this[offset])\n return ((0xff - this[offset] + 1) * -1)\n}\n\nBuffer.prototype.readInt16LE = function readInt16LE (offset, noAssert) {\n if (!noAssert) checkOffset(offset, 2, this.length)\n var val = this[offset] | (this[offset + 1] << 8)\n return (val & 0x8000) ? val | 0xFFFF0000 : val\n}\n\nBuffer.prototype.readInt16BE = function readInt16BE (offset, noAssert) {\n if (!noAssert) checkOffset(offset, 2, this.length)\n var val = this[offset + 1] | (this[offset] << 8)\n return (val & 0x8000) ? val | 0xFFFF0000 : val\n}\n\nBuffer.prototype.readInt32LE = function readInt32LE (offset, noAssert) {\n if (!noAssert) checkOffset(offset, 4, this.length)\n\n return (this[offset]) |\n (this[offset + 1] << 8) |\n (this[offset + 2] << 16) |\n (this[offset + 3] << 24)\n}\n\nBuffer.prototype.readInt32BE = function readInt32BE (offset, noAssert) {\n if (!noAssert) checkOffset(offset, 4, this.length)\n\n return (this[offset] << 24) |\n (this[offset + 1] << 16) |\n (this[offset + 2] << 8) |\n (this[offset + 3])\n}\n\nBuffer.prototype.readFloatLE = function readFloatLE (offset, noAssert) {\n if (!noAssert) checkOffset(offset, 4, this.length)\n return ieee754.read(this, offset, true, 23, 4)\n}\n\nBuffer.prototype.readFloatBE = function readFloatBE (offset, noAssert) {\n if (!noAssert) checkOffset(offset, 4, this.length)\n return ieee754.read(this, offset, false, 23, 4)\n}\n\nBuffer.prototype.readDoubleLE = function readDoubleLE (offset, noAssert) {\n if (!noAssert) checkOffset(offset, 8, this.length)\n return ieee754.read(this, offset, true, 52, 8)\n}\n\nBuffer.prototype.readDoubleBE = function readDoubleBE (offset, noAssert) {\n if (!noAssert) checkOffset(offset, 8, this.length)\n return ieee754.read(this, offset, false, 52, 8)\n}\n\nfunction checkInt (buf, value, offset, ext, max, min) {\n if (!Buffer.isBuffer(buf)) throw new TypeError('\"buffer\" argument must be a Buffer instance')\n if (value > max || value < min) throw new RangeError('\"value\" argument is out of bounds')\n if (offset + ext > buf.length) throw new RangeError('Index out of range')\n}\n\nBuffer.prototype.writeUIntLE = function writeUIntLE (value, offset, byteLength, noAssert) {\n value = +value\n offset = offset | 0\n byteLength = byteLength | 0\n if (!noAssert) {\n var maxBytes = Math.pow(2, 8 * byteLength) - 1\n checkInt(this, value, offset, byteLength, maxBytes, 0)\n }\n\n var mul = 1\n var i = 0\n this[offset] = value & 0xFF\n while (++i < byteLength && (mul *= 0x100)) {\n this[offset + i] = (value / mul) & 0xFF\n }\n\n return offset + byteLength\n}\n\nBuffer.prototype.writeUIntBE = function writeUIntBE (value, offset, byteLength, noAssert) {\n value = +value\n offset = offset | 0\n byteLength = byteLength | 0\n if (!noAssert) {\n var maxBytes = Math.pow(2, 8 * byteLength) - 1\n checkInt(this, value, offset, byteLength, maxBytes, 0)\n }\n\n var i = byteLength - 1\n var mul = 1\n this[offset + i] = value & 0xFF\n while (--i >= 0 && (mul *= 0x100)) {\n this[offset + i] = (value / mul) & 0xFF\n }\n\n return offset + byteLength\n}\n\nBuffer.prototype.writeUInt8 = function writeUInt8 (value, offset, noAssert) {\n value = +value\n offset = offset | 0\n if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0)\n if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value)\n this[offset] = (value & 0xff)\n return offset + 1\n}\n\nfunction objectWriteUInt16 (buf, value, offset, littleEndian) {\n if (value < 0) value = 0xffff + value + 1\n for (var i = 0, j = Math.min(buf.length - offset, 2); i < j; ++i) {\n buf[offset + i] = (value & (0xff << (8 * (littleEndian ? i : 1 - i)))) >>>\n (littleEndian ? i : 1 - i) * 8\n }\n}\n\nBuffer.prototype.writeUInt16LE = function writeUInt16LE (value, offset, noAssert) {\n value = +value\n offset = offset | 0\n if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)\n if (Buffer.TYPED_ARRAY_SUPPORT) {\n this[offset] = (value & 0xff)\n this[offset + 1] = (value >>> 8)\n } else {\n objectWriteUInt16(this, value, offset, true)\n }\n return offset + 2\n}\n\nBuffer.prototype.writeUInt16BE = function writeUInt16BE (value, offset, noAssert) {\n value = +value\n offset = offset | 0\n if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)\n if (Buffer.TYPED_ARRAY_SUPPORT) {\n this[offset] = (value >>> 8)\n this[offset + 1] = (value & 0xff)\n } else {\n objectWriteUInt16(this, value, offset, false)\n }\n return offset + 2\n}\n\nfunction objectWriteUInt32 (buf, value, offset, littleEndian) {\n if (value < 0) value = 0xffffffff + value + 1\n for (var i = 0, j = Math.min(buf.length - offset, 4); i < j; ++i) {\n buf[offset + i] = (value >>> (littleEndian ? i : 3 - i) * 8) & 0xff\n }\n}\n\nBuffer.prototype.writeUInt32LE = function writeUInt32LE (value, offset, noAssert) {\n value = +value\n offset = offset | 0\n if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)\n if (Buffer.TYPED_ARRAY_SUPPORT) {\n this[offset + 3] = (value >>> 24)\n this[offset + 2] = (value >>> 16)\n this[offset + 1] = (value >>> 8)\n this[offset] = (value & 0xff)\n } else {\n objectWriteUInt32(this, value, offset, true)\n }\n return offset + 4\n}\n\nBuffer.prototype.writeUInt32BE = function writeUInt32BE (value, offset, noAssert) {\n value = +value\n offset = offset | 0\n if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)\n if (Buffer.TYPED_ARRAY_SUPPORT) {\n this[offset] = (value >>> 24)\n this[offset + 1] = (value >>> 16)\n this[offset + 2] = (value >>> 8)\n this[offset + 3] = (value & 0xff)\n } else {\n objectWriteUInt32(this, value, offset, false)\n }\n return offset + 4\n}\n\nBuffer.prototype.writeIntLE = function writeIntLE (value, offset, byteLength, noAssert) {\n value = +value\n offset = offset | 0\n if (!noAssert) {\n var limit = Math.pow(2, 8 * byteLength - 1)\n\n checkInt(this, value, offset, byteLength, limit - 1, -limit)\n }\n\n var i = 0\n var mul = 1\n var sub = 0\n this[offset] = value & 0xFF\n while (++i < byteLength && (mul *= 0x100)) {\n if (value < 0 && sub === 0 && this[offset + i - 1] !== 0) {\n sub = 1\n }\n this[offset + i] = ((value / mul) >> 0) - sub & 0xFF\n }\n\n return offset + byteLength\n}\n\nBuffer.prototype.writeIntBE = function writeIntBE (value, offset, byteLength, noAssert) {\n value = +value\n offset = offset | 0\n if (!noAssert) {\n var limit = Math.pow(2, 8 * byteLength - 1)\n\n checkInt(this, value, offset, byteLength, limit - 1, -limit)\n }\n\n var i = byteLength - 1\n var mul = 1\n var sub = 0\n this[offset + i] = value & 0xFF\n while (--i >= 0 && (mul *= 0x100)) {\n if (value < 0 && sub === 0 && this[offset + i + 1] !== 0) {\n sub = 1\n }\n this[offset + i] = ((value / mul) >> 0) - sub & 0xFF\n }\n\n return offset + byteLength\n}\n\nBuffer.prototype.writeInt8 = function writeInt8 (value, offset, noAssert) {\n value = +value\n offset = offset | 0\n if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -0x80)\n if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value)\n if (value < 0) value = 0xff + value + 1\n this[offset] = (value & 0xff)\n return offset + 1\n}\n\nBuffer.prototype.writeInt16LE = function writeInt16LE (value, offset, noAssert) {\n value = +value\n offset = offset | 0\n if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)\n if (Buffer.TYPED_ARRAY_SUPPORT) {\n this[offset] = (value & 0xff)\n this[offset + 1] = (value >>> 8)\n } else {\n objectWriteUInt16(this, value, offset, true)\n }\n return offset + 2\n}\n\nBuffer.prototype.writeInt16BE = function writeInt16BE (value, offset, noAssert) {\n value = +value\n offset = offset | 0\n if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)\n if (Buffer.TYPED_ARRAY_SUPPORT) {\n this[offset] = (value >>> 8)\n this[offset + 1] = (value & 0xff)\n } else {\n objectWriteUInt16(this, value, offset, false)\n }\n return offset + 2\n}\n\nBuffer.prototype.writeInt32LE = function writeInt32LE (value, offset, noAssert) {\n value = +value\n offset = offset | 0\n if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)\n if (Buffer.TYPED_ARRAY_SUPPORT) {\n this[offset] = (value & 0xff)\n this[offset + 1] = (value >>> 8)\n this[offset + 2] = (value >>> 16)\n this[offset + 3] = (value >>> 24)\n } else {\n objectWriteUInt32(this, value, offset, true)\n }\n return offset + 4\n}\n\nBuffer.prototype.writeInt32BE = function writeInt32BE (value, offset, noAssert) {\n value = +value\n offset = offset | 0\n if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)\n if (value < 0) value = 0xffffffff + value + 1\n if (Buffer.TYPED_ARRAY_SUPPORT) {\n this[offset] = (value >>> 24)\n this[offset + 1] = (value >>> 16)\n this[offset + 2] = (value >>> 8)\n this[offset + 3] = (value & 0xff)\n } else {\n objectWriteUInt32(this, value, offset, false)\n }\n return offset + 4\n}\n\nfunction checkIEEE754 (buf, value, offset, ext, max, min) {\n if (offset + ext > buf.length) throw new RangeError('Index out of range')\n if (offset < 0) throw new RangeError('Index out of range')\n}\n\nfunction writeFloat (buf, value, offset, littleEndian, noAssert) {\n if (!noAssert) {\n checkIEEE754(buf, value, offset, 4, 3.4028234663852886e+38, -3.4028234663852886e+38)\n }\n ieee754.write(buf, value, offset, littleEndian, 23, 4)\n return offset + 4\n}\n\nBuffer.prototype.writeFloatLE = function writeFloatLE (value, offset, noAssert) {\n return writeFloat(this, value, offset, true, noAssert)\n}\n\nBuffer.prototype.writeFloatBE = function writeFloatBE (value, offset, noAssert) {\n return writeFloat(this, value, offset, false, noAssert)\n}\n\nfunction writeDouble (buf, value, offset, littleEndian, noAssert) {\n if (!noAssert) {\n checkIEEE754(buf, value, offset, 8, 1.7976931348623157E+308, -1.7976931348623157E+308)\n }\n ieee754.write(buf, value, offset, littleEndian, 52, 8)\n return offset + 8\n}\n\nBuffer.prototype.writeDoubleLE = function writeDoubleLE (value, offset, noAssert) {\n return writeDouble(this, value, offset, true, noAssert)\n}\n\nBuffer.prototype.writeDoubleBE = function writeDoubleBE (value, offset, noAssert) {\n return writeDouble(this, value, offset, false, noAssert)\n}\n\n// copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)\nBuffer.prototype.copy = function copy (target, targetStart, start, end) {\n if (!start) start = 0\n if (!end && end !== 0) end = this.length\n if (targetStart >= target.length) targetStart = target.length\n if (!targetStart) targetStart = 0\n if (end > 0 && end < start) end = start\n\n // Copy 0 bytes; we're done\n if (end === start) return 0\n if (target.length === 0 || this.length === 0) return 0\n\n // Fatal error conditions\n if (targetStart < 0) {\n throw new RangeError('targetStart out of bounds')\n }\n if (start < 0 || start >= this.length) throw new RangeError('sourceStart out of bounds')\n if (end < 0) throw new RangeError('sourceEnd out of bounds')\n\n // Are we oob?\n if (end > this.length) end = this.length\n if (target.length - targetStart < end - start) {\n end = target.length - targetStart + start\n }\n\n var len = end - start\n var i\n\n if (this === target && start < targetStart && targetStart < end) {\n // descending copy from end\n for (i = len - 1; i >= 0; --i) {\n target[i + targetStart] = this[i + start]\n }\n } else if (len < 1000 || !Buffer.TYPED_ARRAY_SUPPORT) {\n // ascending copy from start\n for (i = 0; i < len; ++i) {\n target[i + targetStart] = this[i + start]\n }\n } else {\n Uint8Array.prototype.set.call(\n target,\n this.subarray(start, start + len),\n targetStart\n )\n }\n\n return len\n}\n\n// Usage:\n// buffer.fill(number[, offset[, end]])\n// buffer.fill(buffer[, offset[, end]])\n// buffer.fill(string[, offset[, end]][, encoding])\nBuffer.prototype.fill = function fill (val, start, end, encoding) {\n // Handle string cases:\n if (typeof val === 'string') {\n if (typeof start === 'string') {\n encoding = start\n start = 0\n end = this.length\n } else if (typeof end === 'string') {\n encoding = end\n end = this.length\n }\n if (val.length === 1) {\n var code = val.charCodeAt(0)\n if (code < 256) {\n val = code\n }\n }\n if (encoding !== undefined && typeof encoding !== 'string') {\n throw new TypeError('encoding must be a string')\n }\n if (typeof encoding === 'string' && !Buffer.isEncoding(encoding)) {\n throw new TypeError('Unknown encoding: ' + encoding)\n }\n } else if (typeof val === 'number') {\n val = val & 255\n }\n\n // Invalid ranges are not set to a default, so can range check early.\n if (start < 0 || this.length < start || this.length < end) {\n throw new RangeError('Out of range index')\n }\n\n if (end <= start) {\n return this\n }\n\n start = start >>> 0\n end = end === undefined ? this.length : end >>> 0\n\n if (!val) val = 0\n\n var i\n if (typeof val === 'number') {\n for (i = start; i < end; ++i) {\n this[i] = val\n }\n } else {\n var bytes = Buffer.isBuffer(val)\n ? val\n : utf8ToBytes(new Buffer(val, encoding).toString())\n var len = bytes.length\n for (i = 0; i < end - start; ++i) {\n this[i + start] = bytes[i % len]\n }\n }\n\n return this\n}\n\n// HELPER FUNCTIONS\n// ================\n\nvar INVALID_BASE64_RE = /[^+\\/0-9A-Za-z-_]/g\n\nfunction base64clean (str) {\n // Node strips out invalid characters like \\n and \\t from the string, base64-js does not\n str = stringtrim(str).replace(INVALID_BASE64_RE, '')\n // Node converts strings with length < 2 to ''\n if (str.length < 2) return ''\n // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not\n while (str.length % 4 !== 0) {\n str = str + '='\n }\n return str\n}\n\nfunction stringtrim (str) {\n if (str.trim) return str.trim()\n return str.replace(/^\\s+|\\s+$/g, '')\n}\n\nfunction toHex (n) {\n if (n < 16) return '0' + n.toString(16)\n return n.toString(16)\n}\n\nfunction utf8ToBytes (string, units) {\n units = units || Infinity\n var codePoint\n var length = string.length\n var leadSurrogate = null\n var bytes = []\n\n for (var i = 0; i < length; ++i) {\n codePoint = string.charCodeAt(i)\n\n // is surrogate component\n if (codePoint > 0xD7FF && codePoint < 0xE000) {\n // last char was a lead\n if (!leadSurrogate) {\n // no lead yet\n if (codePoint > 0xDBFF) {\n // unexpected trail\n if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)\n continue\n } else if (i + 1 === length) {\n // unpaired lead\n if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)\n continue\n }\n\n // valid lead\n leadSurrogate = codePoint\n\n continue\n }\n\n // 2 leads in a row\n if (codePoint < 0xDC00) {\n if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)\n leadSurrogate = codePoint\n continue\n }\n\n // valid surrogate pair\n codePoint = (leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00) + 0x10000\n } else if (leadSurrogate) {\n // valid bmp char, but last char was a lead\n if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)\n }\n\n leadSurrogate = null\n\n // encode utf8\n if (codePoint < 0x80) {\n if ((units -= 1) < 0) break\n bytes.push(codePoint)\n } else if (codePoint < 0x800) {\n if ((units -= 2) < 0) break\n bytes.push(\n codePoint >> 0x6 | 0xC0,\n codePoint & 0x3F | 0x80\n )\n } else if (codePoint < 0x10000) {\n if ((units -= 3) < 0) break\n bytes.push(\n codePoint >> 0xC | 0xE0,\n codePoint >> 0x6 & 0x3F | 0x80,\n codePoint & 0x3F | 0x80\n )\n } else if (codePoint < 0x110000) {\n if ((units -= 4) < 0) break\n bytes.push(\n codePoint >> 0x12 | 0xF0,\n codePoint >> 0xC & 0x3F | 0x80,\n codePoint >> 0x6 & 0x3F | 0x80,\n codePoint & 0x3F | 0x80\n )\n } else {\n throw new Error('Invalid code point')\n }\n }\n\n return bytes\n}\n\nfunction asciiToBytes (str) {\n var byteArray = []\n for (var i = 0; i < str.length; ++i) {\n // Node's code seems to be doing this and not & 0x7F..\n byteArray.push(str.charCodeAt(i) & 0xFF)\n }\n return byteArray\n}\n\nfunction utf16leToBytes (str, units) {\n var c, hi, lo\n var byteArray = []\n for (var i = 0; i < str.length; ++i) {\n if ((units -= 2) < 0) break\n\n c = str.charCodeAt(i)\n hi = c >> 8\n lo = c % 256\n byteArray.push(lo)\n byteArray.push(hi)\n }\n\n return byteArray\n}\n\nfunction base64ToBytes (str) {\n return base64.toByteArray(base64clean(str))\n}\n\nfunction blitBuffer (src, dst, offset, length) {\n for (var i = 0; i < length; ++i) {\n if ((i + offset >= dst.length) || (i >= src.length)) break\n dst[i + offset] = src[i]\n }\n return i\n}\n\nfunction isnan (val) {\n return val !== val // eslint-disable-line no-self-compare\n}\n","var _watch;\n\nfunction ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }\n\nfunction _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }\n\nfunction _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; }\n\nimport { Vue } from '../../vue';\nimport { NAME_COLLAPSE, NAME_SIDEBAR } from '../../constants/components';\nimport { IS_BROWSER } from '../../constants/env';\nimport { EVENT_NAME_CHANGE, EVENT_NAME_HIDDEN, EVENT_NAME_SHOWN } from '../../constants/events';\nimport { CODE_ESC } from '../../constants/key-codes';\nimport { PROP_TYPE_ARRAY_OBJECT_STRING, PROP_TYPE_BOOLEAN, PROP_TYPE_BOOLEAN_STRING, PROP_TYPE_NUMBER_STRING, PROP_TYPE_STRING } from '../../constants/props';\nimport { SLOT_NAME_DEFAULT, SLOT_NAME_FOOTER, SLOT_NAME_HEADER, SLOT_NAME_HEADER_CLOSE, SLOT_NAME_TITLE } from '../../constants/slots';\nimport { attemptFocus, contains, getActiveElement, getTabables } from '../../utils/dom';\nimport { getRootActionEventName, getRootEventName } from '../../utils/events';\nimport { makeModelMixin } from '../../utils/model';\nimport { sortKeys } from '../../utils/object';\nimport { makeProp, makePropsConfigurable } from '../../utils/props';\nimport { attrsMixin } from '../../mixins/attrs';\nimport { idMixin, props as idProps } from '../../mixins/id';\nimport { listenOnRootMixin } from '../../mixins/listen-on-root';\nimport { normalizeSlotMixin } from '../../mixins/normalize-slot';\nimport { BIconX } from '../../icons/icons';\nimport { BButtonClose } from '../button/button-close';\nimport { BVTransition } from '../transition/bv-transition'; // --- Constants ---\n\nvar CLASS_NAME = 'b-sidebar';\nvar ROOT_ACTION_EVENT_NAME_REQUEST_STATE = getRootActionEventName(NAME_COLLAPSE, 'request-state');\nvar ROOT_ACTION_EVENT_NAME_TOGGLE = getRootActionEventName(NAME_COLLAPSE, 'toggle');\nvar ROOT_EVENT_NAME_STATE = getRootEventName(NAME_COLLAPSE, 'state');\nvar ROOT_EVENT_NAME_SYNC_STATE = getRootEventName(NAME_COLLAPSE, 'sync-state');\n\nvar _makeModelMixin = makeModelMixin('visible', {\n type: PROP_TYPE_BOOLEAN,\n defaultValue: false,\n event: EVENT_NAME_CHANGE\n}),\n modelMixin = _makeModelMixin.mixin,\n modelProps = _makeModelMixin.props,\n MODEL_PROP_NAME = _makeModelMixin.prop,\n MODEL_EVENT_NAME = _makeModelMixin.event; // --- Props ---\n\n\nexport var props = makePropsConfigurable(sortKeys(_objectSpread(_objectSpread(_objectSpread({}, idProps), modelProps), {}, {\n ariaLabel: makeProp(PROP_TYPE_STRING),\n ariaLabelledby: makeProp(PROP_TYPE_STRING),\n // If `true`, shows a basic backdrop\n backdrop: makeProp(PROP_TYPE_BOOLEAN, false),\n backdropVariant: makeProp(PROP_TYPE_STRING, 'dark'),\n bgVariant: makeProp(PROP_TYPE_STRING, 'light'),\n bodyClass: makeProp(PROP_TYPE_ARRAY_OBJECT_STRING),\n // `aria-label` for close button\n closeLabel: makeProp(PROP_TYPE_STRING),\n footerClass: makeProp(PROP_TYPE_ARRAY_OBJECT_STRING),\n headerClass: makeProp(PROP_TYPE_ARRAY_OBJECT_STRING),\n lazy: makeProp(PROP_TYPE_BOOLEAN, false),\n noCloseOnBackdrop: makeProp(PROP_TYPE_BOOLEAN, false),\n noCloseOnEsc: makeProp(PROP_TYPE_BOOLEAN, false),\n noCloseOnRouteChange: makeProp(PROP_TYPE_BOOLEAN, false),\n noEnforceFocus: makeProp(PROP_TYPE_BOOLEAN, false),\n noHeader: makeProp(PROP_TYPE_BOOLEAN, false),\n noHeaderClose: makeProp(PROP_TYPE_BOOLEAN, false),\n noSlide: makeProp(PROP_TYPE_BOOLEAN, false),\n right: makeProp(PROP_TYPE_BOOLEAN, false),\n shadow: makeProp(PROP_TYPE_BOOLEAN_STRING, false),\n sidebarClass: makeProp(PROP_TYPE_ARRAY_OBJECT_STRING),\n tag: makeProp(PROP_TYPE_STRING, 'div'),\n textVariant: makeProp(PROP_TYPE_STRING, 'dark'),\n title: makeProp(PROP_TYPE_STRING),\n width: makeProp(PROP_TYPE_STRING),\n zIndex: makeProp(PROP_TYPE_NUMBER_STRING)\n})), NAME_SIDEBAR); // --- Render methods ---\n\nvar renderHeaderTitle = function renderHeaderTitle(h, ctx) {\n // Render a empty `` when to title was provided\n var title = ctx.normalizeSlot(SLOT_NAME_TITLE, ctx.slotScope) || ctx.title;\n\n if (!title) {\n return h('span');\n }\n\n return h('strong', {\n attrs: {\n id: ctx.safeId('__title__')\n }\n }, [title]);\n};\n\nvar renderHeaderClose = function renderHeaderClose(h, ctx) {\n if (ctx.noHeaderClose) {\n return h();\n }\n\n var closeLabel = ctx.closeLabel,\n textVariant = ctx.textVariant,\n hide = ctx.hide;\n return h(BButtonClose, {\n props: {\n ariaLabel: closeLabel,\n textVariant: textVariant\n },\n on: {\n click: hide\n },\n ref: 'close-button'\n }, [ctx.normalizeSlot(SLOT_NAME_HEADER_CLOSE) || h(BIconX)]);\n};\n\nvar renderHeader = function renderHeader(h, ctx) {\n if (ctx.noHeader) {\n return h();\n }\n\n var $content = ctx.normalizeSlot(SLOT_NAME_HEADER, ctx.slotScope);\n\n if (!$content) {\n var $title = renderHeaderTitle(h, ctx);\n var $close = renderHeaderClose(h, ctx);\n $content = ctx.right ? [$close, $title] : [$title, $close];\n }\n\n return h('header', {\n staticClass: \"\".concat(CLASS_NAME, \"-header\"),\n class: ctx.headerClass,\n key: 'header'\n }, $content);\n};\n\nvar renderBody = function renderBody(h, ctx) {\n return h('div', {\n staticClass: \"\".concat(CLASS_NAME, \"-body\"),\n class: ctx.bodyClass,\n key: 'body'\n }, [ctx.normalizeSlot(SLOT_NAME_DEFAULT, ctx.slotScope)]);\n};\n\nvar renderFooter = function renderFooter(h, ctx) {\n var $footer = ctx.normalizeSlot(SLOT_NAME_FOOTER, ctx.slotScope);\n\n if (!$footer) {\n return h();\n }\n\n return h('footer', {\n staticClass: \"\".concat(CLASS_NAME, \"-footer\"),\n class: ctx.footerClass,\n key: 'footer'\n }, [$footer]);\n};\n\nvar renderContent = function renderContent(h, ctx) {\n // We render the header even if `lazy` is enabled as it\n // acts as the accessible label for the sidebar\n var $header = renderHeader(h, ctx);\n\n if (ctx.lazy && !ctx.isOpen) {\n return $header;\n }\n\n return [$header, renderBody(h, ctx), renderFooter(h, ctx)];\n};\n\nvar renderBackdrop = function renderBackdrop(h, ctx) {\n if (!ctx.backdrop) {\n return h();\n }\n\n var backdropVariant = ctx.backdropVariant;\n return h('div', {\n directives: [{\n name: 'show',\n value: ctx.localShow\n }],\n staticClass: 'b-sidebar-backdrop',\n class: _defineProperty({}, \"bg-\".concat(backdropVariant), backdropVariant),\n on: {\n click: ctx.onBackdropClick\n }\n });\n}; // --- Main component ---\n// @vue/component\n\n\nexport var BSidebar = /*#__PURE__*/Vue.extend({\n name: NAME_SIDEBAR,\n mixins: [attrsMixin, idMixin, modelMixin, listenOnRootMixin, normalizeSlotMixin],\n inheritAttrs: false,\n props: props,\n data: function data() {\n var visible = !!this[MODEL_PROP_NAME];\n return {\n // Internal `v-model` state\n localShow: visible,\n // For lazy render triggering\n isOpen: visible\n };\n },\n computed: {\n transitionProps: function transitionProps() {\n return this.noSlide ?\n /* istanbul ignore next */\n {\n css: true\n } : {\n css: true,\n enterClass: '',\n enterActiveClass: 'slide',\n enterToClass: 'show',\n leaveClass: 'show',\n leaveActiveClass: 'slide',\n leaveToClass: ''\n };\n },\n slotScope: function slotScope() {\n var hide = this.hide,\n right = this.right,\n visible = this.localShow;\n return {\n hide: hide,\n right: right,\n visible: visible\n };\n },\n hasTitle: function hasTitle() {\n var $scopedSlots = this.$scopedSlots,\n $slots = this.$slots;\n return !this.noHeader && !this.hasNormalizedSlot(SLOT_NAME_HEADER) && !!(this.normalizeSlot(SLOT_NAME_TITLE, this.slotScope, $scopedSlots, $slots) || this.title);\n },\n titleId: function titleId() {\n return this.hasTitle ? this.safeId('__title__') : null;\n },\n computedAttrs: function computedAttrs() {\n return _objectSpread(_objectSpread({}, this.bvAttrs), {}, {\n id: this.safeId(),\n tabindex: '-1',\n role: 'dialog',\n 'aria-modal': this.backdrop ? 'true' : 'false',\n 'aria-hidden': this.localShow ? null : 'true',\n 'aria-label': this.ariaLabel || null,\n 'aria-labelledby': this.ariaLabelledby || this.titleId || null\n });\n }\n },\n watch: (_watch = {}, _defineProperty(_watch, MODEL_PROP_NAME, function (newValue, oldValue) {\n if (newValue !== oldValue) {\n this.localShow = newValue;\n }\n }), _defineProperty(_watch, \"localShow\", function localShow(newValue, oldValue) {\n if (newValue !== oldValue) {\n this.emitState(newValue);\n this.$emit(MODEL_EVENT_NAME, newValue);\n }\n }), _defineProperty(_watch, \"$route\", function $route() {\n var newValue = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n var oldValue = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n\n if (!this.noCloseOnRouteChange && newValue.fullPath !== oldValue.fullPath) {\n this.hide();\n }\n }), _watch),\n created: function created() {\n // Define non-reactive properties\n this.$_returnFocusEl = null;\n },\n mounted: function mounted() {\n var _this = this;\n\n // Add `$root` listeners\n this.listenOnRoot(ROOT_ACTION_EVENT_NAME_TOGGLE, this.handleToggle);\n this.listenOnRoot(ROOT_ACTION_EVENT_NAME_REQUEST_STATE, this.handleSync); // Send out a gratuitous state event to ensure toggle button is synced\n\n this.$nextTick(function () {\n _this.emitState(_this.localShow);\n });\n },\n\n /* istanbul ignore next */\n activated: function activated() {\n this.emitSync();\n },\n beforeDestroy: function beforeDestroy() {\n this.localShow = false;\n this.$_returnFocusEl = null;\n },\n methods: {\n hide: function hide() {\n this.localShow = false;\n },\n emitState: function emitState() {\n var state = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : this.localShow;\n this.emitOnRoot(ROOT_EVENT_NAME_STATE, this.safeId(), state);\n },\n emitSync: function emitSync() {\n var state = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : this.localShow;\n this.emitOnRoot(ROOT_EVENT_NAME_SYNC_STATE, this.safeId(), state);\n },\n handleToggle: function handleToggle(id) {\n // Note `safeId()` can be null until after mount\n if (id && id === this.safeId()) {\n this.localShow = !this.localShow;\n }\n },\n handleSync: function handleSync(id) {\n var _this2 = this;\n\n // Note `safeId()` can be null until after mount\n if (id && id === this.safeId()) {\n this.$nextTick(function () {\n _this2.emitSync(_this2.localShow);\n });\n }\n },\n onKeydown: function onKeydown(event) {\n var keyCode = event.keyCode;\n\n if (!this.noCloseOnEsc && keyCode === CODE_ESC && this.localShow) {\n this.hide();\n }\n },\n onBackdropClick: function onBackdropClick() {\n if (this.localShow && !this.noCloseOnBackdrop) {\n this.hide();\n }\n },\n\n /* istanbul ignore next */\n onTopTrapFocus: function onTopTrapFocus() {\n var tabables = getTabables(this.$refs.content);\n this.enforceFocus(tabables.reverse()[0]);\n },\n\n /* istanbul ignore next */\n onBottomTrapFocus: function onBottomTrapFocus() {\n var tabables = getTabables(this.$refs.content);\n this.enforceFocus(tabables[0]);\n },\n onBeforeEnter: function onBeforeEnter() {\n // Returning focus to `document.body` may cause unwanted scrolls,\n // so we exclude setting focus on body\n this.$_returnFocusEl = getActiveElement(IS_BROWSER ? [document.body] : []); // Trigger lazy render\n\n this.isOpen = true;\n },\n onAfterEnter: function onAfterEnter(el) {\n if (!contains(el, getActiveElement())) {\n this.enforceFocus(el);\n }\n\n this.$emit(EVENT_NAME_SHOWN);\n },\n onAfterLeave: function onAfterLeave() {\n this.enforceFocus(this.$_returnFocusEl);\n this.$_returnFocusEl = null; // Trigger lazy render\n\n this.isOpen = false;\n this.$emit(EVENT_NAME_HIDDEN);\n },\n enforceFocus: function enforceFocus(el) {\n if (!this.noEnforceFocus) {\n attemptFocus(el);\n }\n }\n },\n render: function render(h) {\n var _ref;\n\n var bgVariant = this.bgVariant,\n width = this.width,\n textVariant = this.textVariant,\n localShow = this.localShow;\n var shadow = this.shadow === '' ? true : this.shadow;\n var $sidebar = h(this.tag, {\n staticClass: CLASS_NAME,\n class: [(_ref = {\n shadow: shadow === true\n }, _defineProperty(_ref, \"shadow-\".concat(shadow), shadow && shadow !== true), _defineProperty(_ref, \"\".concat(CLASS_NAME, \"-right\"), this.right), _defineProperty(_ref, \"bg-\".concat(bgVariant), bgVariant), _defineProperty(_ref, \"text-\".concat(textVariant), textVariant), _ref), this.sidebarClass],\n style: {\n width: width\n },\n attrs: this.computedAttrs,\n directives: [{\n name: 'show',\n value: localShow\n }],\n ref: 'content'\n }, [renderContent(h, this)]);\n $sidebar = h('transition', {\n props: this.transitionProps,\n on: {\n beforeEnter: this.onBeforeEnter,\n afterEnter: this.onAfterEnter,\n afterLeave: this.onAfterLeave\n }\n }, [$sidebar]);\n var $backdrop = h(BVTransition, {\n props: {\n noFade: this.noSlide\n }\n }, [renderBackdrop(h, this)]);\n var $tabTrapTop = h();\n var $tabTrapBottom = h();\n\n if (this.backdrop && localShow) {\n $tabTrapTop = h('div', {\n attrs: {\n tabindex: '0'\n },\n on: {\n focus: this.onTopTrapFocus\n }\n });\n $tabTrapBottom = h('div', {\n attrs: {\n tabindex: '0'\n },\n on: {\n focus: this.onBottomTrapFocus\n }\n });\n }\n\n return h('div', {\n staticClass: 'b-sidebar-outer',\n style: {\n zIndex: this.zIndex\n },\n attrs: {\n tabindex: '-1'\n },\n on: {\n keydown: this.onKeydown\n }\n }, [$tabTrapTop, $sidebar, $tabTrapBottom, $backdrop]);\n }\n});","export * from \"-!../../../../node_modules/mini-css-extract-plugin/dist/loader.js??ref--8-oneOf-1-0!../../../../node_modules/css-loader/dist/cjs.js??ref--8-oneOf-1-1!../../../../node_modules/vue-loader/lib/loaders/stylePostLoader.js!../../../../node_modules/postcss-loader/src/index.js??ref--8-oneOf-1-2!../../../../node_modules/sass-loader/dist/cjs.js??ref--8-oneOf-1-3!../../../../node_modules/cache-loader/dist/cjs.js??ref--0-0!../../../../node_modules/vue-loader/lib/index.js??vue-loader-options!./Index.vue?vue&type=style&index=0&lang=scss&\"","var _objectSpread2;\n\nfunction ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }\n\nfunction _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }\n\nfunction _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; }\n\nimport { Vue } from '../../vue';\nimport { NAME_FORM_CHECKBOX } from '../../constants/components';\nimport { EVENT_NAME_CHANGE, MODEL_EVENT_NAME_PREFIX } from '../../constants/events';\nimport { PROP_TYPE_ANY, PROP_TYPE_BOOLEAN } from '../../constants/props';\nimport { isArray } from '../../utils/inspect';\nimport { looseEqual } from '../../utils/loose-equal';\nimport { looseIndexOf } from '../../utils/loose-index-of';\nimport { sortKeys } from '../../utils/object';\nimport { makeProp, makePropsConfigurable } from '../../utils/props';\nimport { MODEL_EVENT_NAME, formRadioCheckMixin, props as formRadioCheckProps } from '../../mixins/form-radio-check'; // --- Constants ---\n\nvar MODEL_PROP_NAME_INDETERMINATE = 'indeterminate';\nvar MODEL_EVENT_NAME_INDETERMINATE = MODEL_EVENT_NAME_PREFIX + MODEL_PROP_NAME_INDETERMINATE; // --- Props ---\n\nexport var props = makePropsConfigurable(sortKeys(_objectSpread(_objectSpread({}, formRadioCheckProps), {}, (_objectSpread2 = {}, _defineProperty(_objectSpread2, MODEL_PROP_NAME_INDETERMINATE, makeProp(PROP_TYPE_BOOLEAN, false)), _defineProperty(_objectSpread2, \"switch\", makeProp(PROP_TYPE_BOOLEAN, false)), _defineProperty(_objectSpread2, \"uncheckedValue\", makeProp(PROP_TYPE_ANY, false)), _defineProperty(_objectSpread2, \"value\", makeProp(PROP_TYPE_ANY, true)), _objectSpread2))), NAME_FORM_CHECKBOX); // --- Main component ---\n// @vue/component\n\nexport var BFormCheckbox = /*#__PURE__*/Vue.extend({\n name: NAME_FORM_CHECKBOX,\n mixins: [formRadioCheckMixin],\n inject: {\n bvGroup: {\n from: 'bvCheckGroup',\n default: null\n }\n },\n props: props,\n computed: {\n isChecked: function isChecked() {\n var value = this.value,\n checked = this.computedLocalChecked;\n return isArray(checked) ? looseIndexOf(checked, value) > -1 : looseEqual(checked, value);\n },\n isRadio: function isRadio() {\n return false;\n }\n },\n watch: _defineProperty({}, MODEL_PROP_NAME_INDETERMINATE, function (newValue, oldValue) {\n if (!looseEqual(newValue, oldValue)) {\n this.setIndeterminate(newValue);\n }\n }),\n mounted: function mounted() {\n // Set initial indeterminate state\n this.setIndeterminate(this[MODEL_PROP_NAME_INDETERMINATE]);\n },\n methods: {\n computedLocalCheckedWatcher: function computedLocalCheckedWatcher(newValue, oldValue) {\n if (!looseEqual(newValue, oldValue)) {\n this.$emit(MODEL_EVENT_NAME, newValue);\n var $input = this.$refs.input;\n\n if ($input) {\n this.$emit(MODEL_EVENT_NAME_INDETERMINATE, $input.indeterminate);\n }\n }\n },\n handleChange: function handleChange(_ref) {\n var _this = this;\n\n var _ref$target = _ref.target,\n checked = _ref$target.checked,\n indeterminate = _ref$target.indeterminate;\n var value = this.value,\n uncheckedValue = this.uncheckedValue; // Update `computedLocalChecked`\n\n var localChecked = this.computedLocalChecked;\n\n if (isArray(localChecked)) {\n var index = looseIndexOf(localChecked, value);\n\n if (checked && index < 0) {\n // Add value to array\n localChecked = localChecked.concat(value);\n } else if (!checked && index > -1) {\n // Remove value from array\n localChecked = localChecked.slice(0, index).concat(localChecked.slice(index + 1));\n }\n } else {\n localChecked = checked ? value : uncheckedValue;\n }\n\n this.computedLocalChecked = localChecked; // Fire events in a `$nextTick()` to ensure the `v-model` is updated\n\n this.$nextTick(function () {\n // Change is only emitted on user interaction\n _this.$emit(EVENT_NAME_CHANGE, localChecked); // If this is a child of a group, we emit a change event on it as well\n\n\n if (_this.isGroup) {\n _this.bvGroup.$emit(EVENT_NAME_CHANGE, localChecked);\n }\n\n _this.$emit(MODEL_EVENT_NAME_INDETERMINATE, indeterminate);\n });\n },\n setIndeterminate: function setIndeterminate(state) {\n // Indeterminate only supported in single checkbox mode\n if (isArray(this.computedLocalChecked)) {\n state = false;\n }\n\n var $input = this.$refs.input;\n\n if ($input) {\n $input.indeterminate = state; // Emit update event to prop\n\n this.$emit(MODEL_EVENT_NAME_INDETERMINATE, state);\n }\n }\n }\n});","import { looseEqual } from './loose-equal'; // Assumes that the first argument is an array\n\nexport var looseIndexOf = function looseIndexOf(array, value) {\n for (var i = 0; i < array.length; i++) {\n if (looseEqual(array[i], value)) {\n return i;\n }\n }\n\n return -1;\n};","export * from \"-!../../../../node_modules/mini-css-extract-plugin/dist/loader.js??ref--8-oneOf-1-0!../../../../node_modules/css-loader/dist/cjs.js??ref--8-oneOf-1-1!../../../../node_modules/vue-loader/lib/loaders/stylePostLoader.js!../../../../node_modules/postcss-loader/src/index.js??ref--8-oneOf-1-2!../../../../node_modules/sass-loader/dist/cjs.js??ref--8-oneOf-1-3!../../../../node_modules/cache-loader/dist/cjs.js??ref--0-0!../../../../node_modules/vue-loader/lib/index.js??vue-loader-options!./Edit.vue?vue&type=style&index=0&lang=scss&\"","var _watch, _methods;\n\nfunction ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }\n\nfunction _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }\n\nfunction _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; }\n\nimport { Vue } from '../vue';\nimport { PROP_TYPE_ANY, PROP_TYPE_BOOLEAN, PROP_TYPE_STRING } from '../constants/props';\nimport { EVENT_NAME_CHANGE } from '../constants/events';\nimport { attemptBlur, attemptFocus } from '../utils/dom';\nimport { isBoolean } from '../utils/inspect';\nimport { looseEqual } from '../utils/loose-equal';\nimport { makeModelMixin } from '../utils/model';\nimport { sortKeys } from '../utils/object';\nimport { makeProp, makePropsConfigurable } from '../utils/props';\nimport { attrsMixin } from './attrs';\nimport { formControlMixin, props as formControlProps } from './form-control';\nimport { formCustomMixin, props as formCustomProps } from './form-custom';\nimport { formSizeMixin, props as formSizeProps } from './form-size';\nimport { formStateMixin, props as formStateProps } from './form-state';\nimport { idMixin, props as idProps } from './id';\nimport { normalizeSlotMixin } from './normalize-slot'; // --- Constants ---\n\nvar _makeModelMixin = makeModelMixin('checked', {\n defaultValue: null\n}),\n modelMixin = _makeModelMixin.mixin,\n modelProps = _makeModelMixin.props,\n MODEL_PROP_NAME = _makeModelMixin.prop,\n MODEL_EVENT_NAME = _makeModelMixin.event;\n\nexport { MODEL_PROP_NAME, MODEL_EVENT_NAME }; // --- Props ---\n\nexport var props = makePropsConfigurable(sortKeys(_objectSpread(_objectSpread(_objectSpread(_objectSpread(_objectSpread(_objectSpread(_objectSpread({}, idProps), modelProps), formControlProps), formSizeProps), formStateProps), formCustomProps), {}, {\n ariaLabel: makeProp(PROP_TYPE_STRING),\n ariaLabelledby: makeProp(PROP_TYPE_STRING),\n // Only applicable in standalone mode (non group)\n button: makeProp(PROP_TYPE_BOOLEAN, false),\n // Only applicable when rendered with button style\n buttonVariant: makeProp(PROP_TYPE_STRING),\n inline: makeProp(PROP_TYPE_BOOLEAN, false),\n value: makeProp(PROP_TYPE_ANY)\n})), 'formRadioCheckControls'); // --- Mixin ---\n// @vue/component\n\nexport var formRadioCheckMixin = Vue.extend({\n mixins: [attrsMixin, idMixin, modelMixin, normalizeSlotMixin, formControlMixin, formSizeMixin, formStateMixin, formCustomMixin],\n inheritAttrs: false,\n props: props,\n data: function data() {\n return {\n localChecked: this.isGroup ? this.bvGroup[MODEL_PROP_NAME] : this[MODEL_PROP_NAME],\n hasFocus: false\n };\n },\n computed: {\n computedLocalChecked: {\n get: function get() {\n return this.isGroup ? this.bvGroup.localChecked : this.localChecked;\n },\n set: function set(value) {\n if (this.isGroup) {\n this.bvGroup.localChecked = value;\n } else {\n this.localChecked = value;\n }\n }\n },\n isChecked: function isChecked() {\n return looseEqual(this.value, this.computedLocalChecked);\n },\n isRadio: function isRadio() {\n return true;\n },\n isGroup: function isGroup() {\n // Is this check/radio a child of check-group or radio-group?\n return !!this.bvGroup;\n },\n isBtnMode: function isBtnMode() {\n // Support button style in single input mode\n return this.isGroup ? this.bvGroup.buttons : this.button;\n },\n isPlain: function isPlain() {\n return this.isBtnMode ? false : this.isGroup ? this.bvGroup.plain : this.plain;\n },\n isCustom: function isCustom() {\n return this.isBtnMode ? false : !this.isPlain;\n },\n isSwitch: function isSwitch() {\n // Custom switch styling (checkboxes only)\n return this.isBtnMode || this.isRadio || this.isPlain ? false : this.isGroup ? this.bvGroup.switches : this.switch;\n },\n isInline: function isInline() {\n return this.isGroup ? this.bvGroup.inline : this.inline;\n },\n isDisabled: function isDisabled() {\n // Child can be disabled while parent isn't, but is always disabled if group is\n return this.isGroup ? this.bvGroup.disabled || this.disabled : this.disabled;\n },\n isRequired: function isRequired() {\n // Required only works when a name is provided for the input(s)\n // Child can only be required when parent is\n // Groups will always have a name (either user supplied or auto generated)\n return this.computedName && (this.isGroup ? this.bvGroup.required : this.required);\n },\n computedName: function computedName() {\n // Group name preferred over local name\n return (this.isGroup ? this.bvGroup.groupName : this.name) || null;\n },\n computedForm: function computedForm() {\n return (this.isGroup ? this.bvGroup.form : this.form) || null;\n },\n computedSize: function computedSize() {\n return (this.isGroup ? this.bvGroup.size : this.size) || '';\n },\n computedState: function computedState() {\n return this.isGroup ? this.bvGroup.computedState : isBoolean(this.state) ? this.state : null;\n },\n computedButtonVariant: function computedButtonVariant() {\n // Local variant preferred over group variant\n var buttonVariant = this.buttonVariant;\n\n if (buttonVariant) {\n return buttonVariant;\n }\n\n if (this.isGroup && this.bvGroup.buttonVariant) {\n return this.bvGroup.buttonVariant;\n }\n\n return 'secondary';\n },\n buttonClasses: function buttonClasses() {\n var _ref;\n\n var computedSize = this.computedSize;\n return ['btn', \"btn-\".concat(this.computedButtonVariant), (_ref = {}, _defineProperty(_ref, \"btn-\".concat(computedSize), computedSize), _defineProperty(_ref, \"disabled\", this.isDisabled), _defineProperty(_ref, \"active\", this.isChecked), _defineProperty(_ref, \"focus\", this.hasFocus), _ref)];\n },\n computedAttrs: function computedAttrs() {\n var disabled = this.isDisabled,\n required = this.isRequired;\n return _objectSpread(_objectSpread({}, this.bvAttrs), {}, {\n id: this.safeId(),\n type: this.isRadio ? 'radio' : 'checkbox',\n name: this.computedName,\n form: this.computedForm,\n disabled: disabled,\n required: required,\n 'aria-required': required || null,\n 'aria-label': this.ariaLabel || null,\n 'aria-labelledby': this.ariaLabelledby || null\n });\n }\n },\n watch: (_watch = {}, _defineProperty(_watch, MODEL_PROP_NAME, function () {\n this[\"\".concat(MODEL_PROP_NAME, \"Watcher\")].apply(this, arguments);\n }), _defineProperty(_watch, \"computedLocalChecked\", function computedLocalChecked() {\n this.computedLocalCheckedWatcher.apply(this, arguments);\n }), _watch),\n methods: (_methods = {}, _defineProperty(_methods, \"\".concat(MODEL_PROP_NAME, \"Watcher\"), function Watcher(newValue) {\n if (!looseEqual(newValue, this.computedLocalChecked)) {\n this.computedLocalChecked = newValue;\n }\n }), _defineProperty(_methods, \"computedLocalCheckedWatcher\", function computedLocalCheckedWatcher(newValue, oldValue) {\n if (!looseEqual(newValue, oldValue)) {\n this.$emit(MODEL_EVENT_NAME, newValue);\n }\n }), _defineProperty(_methods, \"handleChange\", function handleChange(_ref2) {\n var _this = this;\n\n var checked = _ref2.target.checked;\n var value = this.value;\n var localChecked = checked ? value : null;\n this.computedLocalChecked = value; // Fire events in a `$nextTick()` to ensure the `v-model` is updated\n\n this.$nextTick(function () {\n // Change is only emitted on user interaction\n _this.$emit(EVENT_NAME_CHANGE, localChecked); // If this is a child of a group, we emit a change event on it as well\n\n\n if (_this.isGroup) {\n _this.bvGroup.$emit(EVENT_NAME_CHANGE, localChecked);\n }\n });\n }), _defineProperty(_methods, \"handleFocus\", function handleFocus(event) {\n // When in buttons mode, we need to add 'focus' class to label when input focused\n // As it is the hidden input which has actual focus\n if (event.target) {\n if (event.type === 'focus') {\n this.hasFocus = true;\n } else if (event.type === 'blur') {\n this.hasFocus = false;\n }\n }\n }), _defineProperty(_methods, \"focus\", function focus() {\n if (!this.isDisabled) {\n attemptFocus(this.$refs.input);\n }\n }), _defineProperty(_methods, \"blur\", function blur() {\n if (!this.isDisabled) {\n attemptBlur(this.$refs.input);\n }\n }), _methods),\n render: function render(h) {\n var isRadio = this.isRadio,\n isBtnMode = this.isBtnMode,\n isPlain = this.isPlain,\n isCustom = this.isCustom,\n isInline = this.isInline,\n isSwitch = this.isSwitch,\n computedSize = this.computedSize,\n bvAttrs = this.bvAttrs;\n var $content = this.normalizeSlot();\n var $input = h('input', {\n class: [{\n 'form-check-input': isPlain,\n 'custom-control-input': isCustom,\n // https://github.com/bootstrap-vue/bootstrap-vue/issues/2911\n 'position-static': isPlain && !$content\n }, isBtnMode ? '' : this.stateClass],\n directives: [{\n name: 'model',\n value: this.computedLocalChecked\n }],\n attrs: this.computedAttrs,\n domProps: {\n value: this.value,\n checked: this.isChecked\n },\n on: _objectSpread({\n change: this.handleChange\n }, isBtnMode ? {\n focus: this.handleFocus,\n blur: this.handleFocus\n } : {}),\n key: 'input',\n ref: 'input'\n });\n\n if (isBtnMode) {\n var $button = h('label', {\n class: this.buttonClasses\n }, [$input, $content]);\n\n if (!this.isGroup) {\n // Standalone button mode, so wrap in 'btn-group-toggle'\n // and flag it as inline-block to mimic regular buttons\n $button = h('div', {\n class: ['btn-group-toggle', 'd-inline-block']\n }, [$button]);\n }\n\n return $button;\n } // If no label content in plain mode we dont render the label\n // See: https://github.com/bootstrap-vue/bootstrap-vue/issues/2911\n\n\n var $label = h();\n\n if (!(isPlain && !$content)) {\n $label = h('label', {\n class: {\n 'form-check-label': isPlain,\n 'custom-control-label': isCustom\n },\n attrs: {\n for: this.safeId()\n }\n }, $content);\n }\n\n return h('div', {\n class: [_defineProperty({\n 'form-check': isPlain,\n 'form-check-inline': isPlain && isInline,\n 'custom-control': isCustom,\n 'custom-control-inline': isCustom && isInline,\n 'custom-checkbox': isCustom && !isRadio && !isSwitch,\n 'custom-switch': isSwitch,\n 'custom-radio': isCustom && isRadio\n }, \"b-custom-control-\".concat(computedSize), computedSize && !isBtnMode), bvAttrs.class],\n style: bvAttrs.style\n }, [$input, $label]);\n }\n});","export * from \"-!../../../../node_modules/mini-css-extract-plugin/dist/loader.js??ref--8-oneOf-1-0!../../../../node_modules/css-loader/dist/cjs.js??ref--8-oneOf-1-1!../../../../node_modules/vue-loader/lib/loaders/stylePostLoader.js!../../../../node_modules/postcss-loader/src/index.js??ref--8-oneOf-1-2!../../../../node_modules/sass-loader/dist/cjs.js??ref--8-oneOf-1-3!../../../../node_modules/cache-loader/dist/cjs.js??ref--0-0!../../../../node_modules/vue-loader/lib/index.js??vue-loader-options!./Create.vue?vue&type=style&index=0&lang=scss&\"","var toString = {}.toString;\n\nmodule.exports = Array.isArray || function (arr) {\n return toString.call(arr) == '[object Array]';\n};\n","/**!\n * @fileOverview Kickass library to create and place poppers near their reference elements.\n * @version 1.16.1\n * @license\n * Copyright (c) 2016 Federico Zivolo and contributors\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\nvar isBrowser = typeof window !== 'undefined' && typeof document !== 'undefined' && typeof navigator !== 'undefined';\n\nvar timeoutDuration = function () {\n var longerTimeoutBrowsers = ['Edge', 'Trident', 'Firefox'];\n for (var i = 0; i < longerTimeoutBrowsers.length; i += 1) {\n if (isBrowser && navigator.userAgent.indexOf(longerTimeoutBrowsers[i]) >= 0) {\n return 1;\n }\n }\n return 0;\n}();\n\nfunction microtaskDebounce(fn) {\n var called = false;\n return function () {\n if (called) {\n return;\n }\n called = true;\n window.Promise.resolve().then(function () {\n called = false;\n fn();\n });\n };\n}\n\nfunction taskDebounce(fn) {\n var scheduled = false;\n return function () {\n if (!scheduled) {\n scheduled = true;\n setTimeout(function () {\n scheduled = false;\n fn();\n }, timeoutDuration);\n }\n };\n}\n\nvar supportsMicroTasks = isBrowser && window.Promise;\n\n/**\n* Create a debounced version of a method, that's asynchronously deferred\n* but called in the minimum time possible.\n*\n* @method\n* @memberof Popper.Utils\n* @argument {Function} fn\n* @returns {Function}\n*/\nvar debounce = supportsMicroTasks ? microtaskDebounce : taskDebounce;\n\n/**\n * Check if the given variable is a function\n * @method\n * @memberof Popper.Utils\n * @argument {Any} functionToCheck - variable to check\n * @returns {Boolean} answer to: is a function?\n */\nfunction isFunction(functionToCheck) {\n var getType = {};\n return functionToCheck && getType.toString.call(functionToCheck) === '[object Function]';\n}\n\n/**\n * Get CSS computed property of the given element\n * @method\n * @memberof Popper.Utils\n * @argument {Eement} element\n * @argument {String} property\n */\nfunction getStyleComputedProperty(element, property) {\n if (element.nodeType !== 1) {\n return [];\n }\n // NOTE: 1 DOM access here\n var window = element.ownerDocument.defaultView;\n var css = window.getComputedStyle(element, null);\n return property ? css[property] : css;\n}\n\n/**\n * Returns the parentNode or the host of the element\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element\n * @returns {Element} parent\n */\nfunction getParentNode(element) {\n if (element.nodeName === 'HTML') {\n return element;\n }\n return element.parentNode || element.host;\n}\n\n/**\n * Returns the scrolling parent of the given element\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element\n * @returns {Element} scroll parent\n */\nfunction getScrollParent(element) {\n // Return body, `getScroll` will take care to get the correct `scrollTop` from it\n if (!element) {\n return document.body;\n }\n\n switch (element.nodeName) {\n case 'HTML':\n case 'BODY':\n return element.ownerDocument.body;\n case '#document':\n return element.body;\n }\n\n // Firefox want us to check `-x` and `-y` variations as well\n\n var _getStyleComputedProp = getStyleComputedProperty(element),\n overflow = _getStyleComputedProp.overflow,\n overflowX = _getStyleComputedProp.overflowX,\n overflowY = _getStyleComputedProp.overflowY;\n\n if (/(auto|scroll|overlay)/.test(overflow + overflowY + overflowX)) {\n return element;\n }\n\n return getScrollParent(getParentNode(element));\n}\n\n/**\n * Returns the reference node of the reference object, or the reference object itself.\n * @method\n * @memberof Popper.Utils\n * @param {Element|Object} reference - the reference element (the popper will be relative to this)\n * @returns {Element} parent\n */\nfunction getReferenceNode(reference) {\n return reference && reference.referenceNode ? reference.referenceNode : reference;\n}\n\nvar isIE11 = isBrowser && !!(window.MSInputMethodContext && document.documentMode);\nvar isIE10 = isBrowser && /MSIE 10/.test(navigator.userAgent);\n\n/**\n * Determines if the browser is Internet Explorer\n * @method\n * @memberof Popper.Utils\n * @param {Number} version to check\n * @returns {Boolean} isIE\n */\nfunction isIE(version) {\n if (version === 11) {\n return isIE11;\n }\n if (version === 10) {\n return isIE10;\n }\n return isIE11 || isIE10;\n}\n\n/**\n * Returns the offset parent of the given element\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element\n * @returns {Element} offset parent\n */\nfunction getOffsetParent(element) {\n if (!element) {\n return document.documentElement;\n }\n\n var noOffsetParent = isIE(10) ? document.body : null;\n\n // NOTE: 1 DOM access here\n var offsetParent = element.offsetParent || null;\n // Skip hidden elements which don't have an offsetParent\n while (offsetParent === noOffsetParent && element.nextElementSibling) {\n offsetParent = (element = element.nextElementSibling).offsetParent;\n }\n\n var nodeName = offsetParent && offsetParent.nodeName;\n\n if (!nodeName || nodeName === 'BODY' || nodeName === 'HTML') {\n return element ? element.ownerDocument.documentElement : document.documentElement;\n }\n\n // .offsetParent will return the closest TH, TD or TABLE in case\n // no offsetParent is present, I hate this job...\n if (['TH', 'TD', 'TABLE'].indexOf(offsetParent.nodeName) !== -1 && getStyleComputedProperty(offsetParent, 'position') === 'static') {\n return getOffsetParent(offsetParent);\n }\n\n return offsetParent;\n}\n\nfunction isOffsetContainer(element) {\n var nodeName = element.nodeName;\n\n if (nodeName === 'BODY') {\n return false;\n }\n return nodeName === 'HTML' || getOffsetParent(element.firstElementChild) === element;\n}\n\n/**\n * Finds the root node (document, shadowDOM root) of the given element\n * @method\n * @memberof Popper.Utils\n * @argument {Element} node\n * @returns {Element} root node\n */\nfunction getRoot(node) {\n if (node.parentNode !== null) {\n return getRoot(node.parentNode);\n }\n\n return node;\n}\n\n/**\n * Finds the offset parent common to the two provided nodes\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element1\n * @argument {Element} element2\n * @returns {Element} common offset parent\n */\nfunction findCommonOffsetParent(element1, element2) {\n // This check is needed to avoid errors in case one of the elements isn't defined for any reason\n if (!element1 || !element1.nodeType || !element2 || !element2.nodeType) {\n return document.documentElement;\n }\n\n // Here we make sure to give as \"start\" the element that comes first in the DOM\n var order = element1.compareDocumentPosition(element2) & Node.DOCUMENT_POSITION_FOLLOWING;\n var start = order ? element1 : element2;\n var end = order ? element2 : element1;\n\n // Get common ancestor container\n var range = document.createRange();\n range.setStart(start, 0);\n range.setEnd(end, 0);\n var commonAncestorContainer = range.commonAncestorContainer;\n\n // Both nodes are inside #document\n\n if (element1 !== commonAncestorContainer && element2 !== commonAncestorContainer || start.contains(end)) {\n if (isOffsetContainer(commonAncestorContainer)) {\n return commonAncestorContainer;\n }\n\n return getOffsetParent(commonAncestorContainer);\n }\n\n // one of the nodes is inside shadowDOM, find which one\n var element1root = getRoot(element1);\n if (element1root.host) {\n return findCommonOffsetParent(element1root.host, element2);\n } else {\n return findCommonOffsetParent(element1, getRoot(element2).host);\n }\n}\n\n/**\n * Gets the scroll value of the given element in the given side (top and left)\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element\n * @argument {String} side `top` or `left`\n * @returns {number} amount of scrolled pixels\n */\nfunction getScroll(element) {\n var side = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'top';\n\n var upperSide = side === 'top' ? 'scrollTop' : 'scrollLeft';\n var nodeName = element.nodeName;\n\n if (nodeName === 'BODY' || nodeName === 'HTML') {\n var html = element.ownerDocument.documentElement;\n var scrollingElement = element.ownerDocument.scrollingElement || html;\n return scrollingElement[upperSide];\n }\n\n return element[upperSide];\n}\n\n/*\n * Sum or subtract the element scroll values (left and top) from a given rect object\n * @method\n * @memberof Popper.Utils\n * @param {Object} rect - Rect object you want to change\n * @param {HTMLElement} element - The element from the function reads the scroll values\n * @param {Boolean} subtract - set to true if you want to subtract the scroll values\n * @return {Object} rect - The modifier rect object\n */\nfunction includeScroll(rect, element) {\n var subtract = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;\n\n var scrollTop = getScroll(element, 'top');\n var scrollLeft = getScroll(element, 'left');\n var modifier = subtract ? -1 : 1;\n rect.top += scrollTop * modifier;\n rect.bottom += scrollTop * modifier;\n rect.left += scrollLeft * modifier;\n rect.right += scrollLeft * modifier;\n return rect;\n}\n\n/*\n * Helper to detect borders of a given element\n * @method\n * @memberof Popper.Utils\n * @param {CSSStyleDeclaration} styles\n * Result of `getStyleComputedProperty` on the given element\n * @param {String} axis - `x` or `y`\n * @return {number} borders - The borders size of the given axis\n */\n\nfunction getBordersSize(styles, axis) {\n var sideA = axis === 'x' ? 'Left' : 'Top';\n var sideB = sideA === 'Left' ? 'Right' : 'Bottom';\n\n return parseFloat(styles['border' + sideA + 'Width']) + parseFloat(styles['border' + sideB + 'Width']);\n}\n\nfunction getSize(axis, body, html, computedStyle) {\n return Math.max(body['offset' + axis], body['scroll' + axis], html['client' + axis], html['offset' + axis], html['scroll' + axis], isIE(10) ? parseInt(html['offset' + axis]) + parseInt(computedStyle['margin' + (axis === 'Height' ? 'Top' : 'Left')]) + parseInt(computedStyle['margin' + (axis === 'Height' ? 'Bottom' : 'Right')]) : 0);\n}\n\nfunction getWindowSizes(document) {\n var body = document.body;\n var html = document.documentElement;\n var computedStyle = isIE(10) && getComputedStyle(html);\n\n return {\n height: getSize('Height', body, html, computedStyle),\n width: getSize('Width', body, html, computedStyle)\n };\n}\n\nvar classCallCheck = function (instance, Constructor) {\n if (!(instance instanceof Constructor)) {\n throw new TypeError(\"Cannot call a class as a function\");\n }\n};\n\nvar createClass = function () {\n function defineProperties(target, props) {\n for (var i = 0; i < props.length; i++) {\n var descriptor = props[i];\n descriptor.enumerable = descriptor.enumerable || false;\n descriptor.configurable = true;\n if (\"value\" in descriptor) descriptor.writable = true;\n Object.defineProperty(target, descriptor.key, descriptor);\n }\n }\n\n return function (Constructor, protoProps, staticProps) {\n if (protoProps) defineProperties(Constructor.prototype, protoProps);\n if (staticProps) defineProperties(Constructor, staticProps);\n return Constructor;\n };\n}();\n\n\n\n\n\nvar defineProperty = function (obj, key, value) {\n if (key in obj) {\n Object.defineProperty(obj, key, {\n value: value,\n enumerable: true,\n configurable: true,\n writable: true\n });\n } else {\n obj[key] = value;\n }\n\n return obj;\n};\n\nvar _extends = Object.assign || function (target) {\n for (var i = 1; i < arguments.length; i++) {\n var source = arguments[i];\n\n for (var key in source) {\n if (Object.prototype.hasOwnProperty.call(source, key)) {\n target[key] = source[key];\n }\n }\n }\n\n return target;\n};\n\n/**\n * Given element offsets, generate an output similar to getBoundingClientRect\n * @method\n * @memberof Popper.Utils\n * @argument {Object} offsets\n * @returns {Object} ClientRect like output\n */\nfunction getClientRect(offsets) {\n return _extends({}, offsets, {\n right: offsets.left + offsets.width,\n bottom: offsets.top + offsets.height\n });\n}\n\n/**\n * Get bounding client rect of given element\n * @method\n * @memberof Popper.Utils\n * @param {HTMLElement} element\n * @return {Object} client rect\n */\nfunction getBoundingClientRect(element) {\n var rect = {};\n\n // IE10 10 FIX: Please, don't ask, the element isn't\n // considered in DOM in some circumstances...\n // This isn't reproducible in IE10 compatibility mode of IE11\n try {\n if (isIE(10)) {\n rect = element.getBoundingClientRect();\n var scrollTop = getScroll(element, 'top');\n var scrollLeft = getScroll(element, 'left');\n rect.top += scrollTop;\n rect.left += scrollLeft;\n rect.bottom += scrollTop;\n rect.right += scrollLeft;\n } else {\n rect = element.getBoundingClientRect();\n }\n } catch (e) {}\n\n var result = {\n left: rect.left,\n top: rect.top,\n width: rect.right - rect.left,\n height: rect.bottom - rect.top\n };\n\n // subtract scrollbar size from sizes\n var sizes = element.nodeName === 'HTML' ? getWindowSizes(element.ownerDocument) : {};\n var width = sizes.width || element.clientWidth || result.width;\n var height = sizes.height || element.clientHeight || result.height;\n\n var horizScrollbar = element.offsetWidth - width;\n var vertScrollbar = element.offsetHeight - height;\n\n // if an hypothetical scrollbar is detected, we must be sure it's not a `border`\n // we make this check conditional for performance reasons\n if (horizScrollbar || vertScrollbar) {\n var styles = getStyleComputedProperty(element);\n horizScrollbar -= getBordersSize(styles, 'x');\n vertScrollbar -= getBordersSize(styles, 'y');\n\n result.width -= horizScrollbar;\n result.height -= vertScrollbar;\n }\n\n return getClientRect(result);\n}\n\nfunction getOffsetRectRelativeToArbitraryNode(children, parent) {\n var fixedPosition = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;\n\n var isIE10 = isIE(10);\n var isHTML = parent.nodeName === 'HTML';\n var childrenRect = getBoundingClientRect(children);\n var parentRect = getBoundingClientRect(parent);\n var scrollParent = getScrollParent(children);\n\n var styles = getStyleComputedProperty(parent);\n var borderTopWidth = parseFloat(styles.borderTopWidth);\n var borderLeftWidth = parseFloat(styles.borderLeftWidth);\n\n // In cases where the parent is fixed, we must ignore negative scroll in offset calc\n if (fixedPosition && isHTML) {\n parentRect.top = Math.max(parentRect.top, 0);\n parentRect.left = Math.max(parentRect.left, 0);\n }\n var offsets = getClientRect({\n top: childrenRect.top - parentRect.top - borderTopWidth,\n left: childrenRect.left - parentRect.left - borderLeftWidth,\n width: childrenRect.width,\n height: childrenRect.height\n });\n offsets.marginTop = 0;\n offsets.marginLeft = 0;\n\n // Subtract margins of documentElement in case it's being used as parent\n // we do this only on HTML because it's the only element that behaves\n // differently when margins are applied to it. The margins are included in\n // the box of the documentElement, in the other cases not.\n if (!isIE10 && isHTML) {\n var marginTop = parseFloat(styles.marginTop);\n var marginLeft = parseFloat(styles.marginLeft);\n\n offsets.top -= borderTopWidth - marginTop;\n offsets.bottom -= borderTopWidth - marginTop;\n offsets.left -= borderLeftWidth - marginLeft;\n offsets.right -= borderLeftWidth - marginLeft;\n\n // Attach marginTop and marginLeft because in some circumstances we may need them\n offsets.marginTop = marginTop;\n offsets.marginLeft = marginLeft;\n }\n\n if (isIE10 && !fixedPosition ? parent.contains(scrollParent) : parent === scrollParent && scrollParent.nodeName !== 'BODY') {\n offsets = includeScroll(offsets, parent);\n }\n\n return offsets;\n}\n\nfunction getViewportOffsetRectRelativeToArtbitraryNode(element) {\n var excludeScroll = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;\n\n var html = element.ownerDocument.documentElement;\n var relativeOffset = getOffsetRectRelativeToArbitraryNode(element, html);\n var width = Math.max(html.clientWidth, window.innerWidth || 0);\n var height = Math.max(html.clientHeight, window.innerHeight || 0);\n\n var scrollTop = !excludeScroll ? getScroll(html) : 0;\n var scrollLeft = !excludeScroll ? getScroll(html, 'left') : 0;\n\n var offset = {\n top: scrollTop - relativeOffset.top + relativeOffset.marginTop,\n left: scrollLeft - relativeOffset.left + relativeOffset.marginLeft,\n width: width,\n height: height\n };\n\n return getClientRect(offset);\n}\n\n/**\n * Check if the given element is fixed or is inside a fixed parent\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element\n * @argument {Element} customContainer\n * @returns {Boolean} answer to \"isFixed?\"\n */\nfunction isFixed(element) {\n var nodeName = element.nodeName;\n if (nodeName === 'BODY' || nodeName === 'HTML') {\n return false;\n }\n if (getStyleComputedProperty(element, 'position') === 'fixed') {\n return true;\n }\n var parentNode = getParentNode(element);\n if (!parentNode) {\n return false;\n }\n return isFixed(parentNode);\n}\n\n/**\n * Finds the first parent of an element that has a transformed property defined\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element\n * @returns {Element} first transformed parent or documentElement\n */\n\nfunction getFixedPositionOffsetParent(element) {\n // This check is needed to avoid errors in case one of the elements isn't defined for any reason\n if (!element || !element.parentElement || isIE()) {\n return document.documentElement;\n }\n var el = element.parentElement;\n while (el && getStyleComputedProperty(el, 'transform') === 'none') {\n el = el.parentElement;\n }\n return el || document.documentElement;\n}\n\n/**\n * Computed the boundaries limits and return them\n * @method\n * @memberof Popper.Utils\n * @param {HTMLElement} popper\n * @param {HTMLElement} reference\n * @param {number} padding\n * @param {HTMLElement} boundariesElement - Element used to define the boundaries\n * @param {Boolean} fixedPosition - Is in fixed position mode\n * @returns {Object} Coordinates of the boundaries\n */\nfunction getBoundaries(popper, reference, padding, boundariesElement) {\n var fixedPosition = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : false;\n\n // NOTE: 1 DOM access here\n\n var boundaries = { top: 0, left: 0 };\n var offsetParent = fixedPosition ? getFixedPositionOffsetParent(popper) : findCommonOffsetParent(popper, getReferenceNode(reference));\n\n // Handle viewport case\n if (boundariesElement === 'viewport') {\n boundaries = getViewportOffsetRectRelativeToArtbitraryNode(offsetParent, fixedPosition);\n } else {\n // Handle other cases based on DOM element used as boundaries\n var boundariesNode = void 0;\n if (boundariesElement === 'scrollParent') {\n boundariesNode = getScrollParent(getParentNode(reference));\n if (boundariesNode.nodeName === 'BODY') {\n boundariesNode = popper.ownerDocument.documentElement;\n }\n } else if (boundariesElement === 'window') {\n boundariesNode = popper.ownerDocument.documentElement;\n } else {\n boundariesNode = boundariesElement;\n }\n\n var offsets = getOffsetRectRelativeToArbitraryNode(boundariesNode, offsetParent, fixedPosition);\n\n // In case of HTML, we need a different computation\n if (boundariesNode.nodeName === 'HTML' && !isFixed(offsetParent)) {\n var _getWindowSizes = getWindowSizes(popper.ownerDocument),\n height = _getWindowSizes.height,\n width = _getWindowSizes.width;\n\n boundaries.top += offsets.top - offsets.marginTop;\n boundaries.bottom = height + offsets.top;\n boundaries.left += offsets.left - offsets.marginLeft;\n boundaries.right = width + offsets.left;\n } else {\n // for all the other DOM elements, this one is good\n boundaries = offsets;\n }\n }\n\n // Add paddings\n padding = padding || 0;\n var isPaddingNumber = typeof padding === 'number';\n boundaries.left += isPaddingNumber ? padding : padding.left || 0;\n boundaries.top += isPaddingNumber ? padding : padding.top || 0;\n boundaries.right -= isPaddingNumber ? padding : padding.right || 0;\n boundaries.bottom -= isPaddingNumber ? padding : padding.bottom || 0;\n\n return boundaries;\n}\n\nfunction getArea(_ref) {\n var width = _ref.width,\n height = _ref.height;\n\n return width * height;\n}\n\n/**\n * Utility used to transform the `auto` placement to the placement with more\n * available space.\n * @method\n * @memberof Popper.Utils\n * @argument {Object} data - The data object generated by update method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nfunction computeAutoPlacement(placement, refRect, popper, reference, boundariesElement) {\n var padding = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : 0;\n\n if (placement.indexOf('auto') === -1) {\n return placement;\n }\n\n var boundaries = getBoundaries(popper, reference, padding, boundariesElement);\n\n var rects = {\n top: {\n width: boundaries.width,\n height: refRect.top - boundaries.top\n },\n right: {\n width: boundaries.right - refRect.right,\n height: boundaries.height\n },\n bottom: {\n width: boundaries.width,\n height: boundaries.bottom - refRect.bottom\n },\n left: {\n width: refRect.left - boundaries.left,\n height: boundaries.height\n }\n };\n\n var sortedAreas = Object.keys(rects).map(function (key) {\n return _extends({\n key: key\n }, rects[key], {\n area: getArea(rects[key])\n });\n }).sort(function (a, b) {\n return b.area - a.area;\n });\n\n var filteredAreas = sortedAreas.filter(function (_ref2) {\n var width = _ref2.width,\n height = _ref2.height;\n return width >= popper.clientWidth && height >= popper.clientHeight;\n });\n\n var computedPlacement = filteredAreas.length > 0 ? filteredAreas[0].key : sortedAreas[0].key;\n\n var variation = placement.split('-')[1];\n\n return computedPlacement + (variation ? '-' + variation : '');\n}\n\n/**\n * Get offsets to the reference element\n * @method\n * @memberof Popper.Utils\n * @param {Object} state\n * @param {Element} popper - the popper element\n * @param {Element} reference - the reference element (the popper will be relative to this)\n * @param {Element} fixedPosition - is in fixed position mode\n * @returns {Object} An object containing the offsets which will be applied to the popper\n */\nfunction getReferenceOffsets(state, popper, reference) {\n var fixedPosition = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : null;\n\n var commonOffsetParent = fixedPosition ? getFixedPositionOffsetParent(popper) : findCommonOffsetParent(popper, getReferenceNode(reference));\n return getOffsetRectRelativeToArbitraryNode(reference, commonOffsetParent, fixedPosition);\n}\n\n/**\n * Get the outer sizes of the given element (offset size + margins)\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element\n * @returns {Object} object containing width and height properties\n */\nfunction getOuterSizes(element) {\n var window = element.ownerDocument.defaultView;\n var styles = window.getComputedStyle(element);\n var x = parseFloat(styles.marginTop || 0) + parseFloat(styles.marginBottom || 0);\n var y = parseFloat(styles.marginLeft || 0) + parseFloat(styles.marginRight || 0);\n var result = {\n width: element.offsetWidth + y,\n height: element.offsetHeight + x\n };\n return result;\n}\n\n/**\n * Get the opposite placement of the given one\n * @method\n * @memberof Popper.Utils\n * @argument {String} placement\n * @returns {String} flipped placement\n */\nfunction getOppositePlacement(placement) {\n var hash = { left: 'right', right: 'left', bottom: 'top', top: 'bottom' };\n return placement.replace(/left|right|bottom|top/g, function (matched) {\n return hash[matched];\n });\n}\n\n/**\n * Get offsets to the popper\n * @method\n * @memberof Popper.Utils\n * @param {Object} position - CSS position the Popper will get applied\n * @param {HTMLElement} popper - the popper element\n * @param {Object} referenceOffsets - the reference offsets (the popper will be relative to this)\n * @param {String} placement - one of the valid placement options\n * @returns {Object} popperOffsets - An object containing the offsets which will be applied to the popper\n */\nfunction getPopperOffsets(popper, referenceOffsets, placement) {\n placement = placement.split('-')[0];\n\n // Get popper node sizes\n var popperRect = getOuterSizes(popper);\n\n // Add position, width and height to our offsets object\n var popperOffsets = {\n width: popperRect.width,\n height: popperRect.height\n };\n\n // depending by the popper placement we have to compute its offsets slightly differently\n var isHoriz = ['right', 'left'].indexOf(placement) !== -1;\n var mainSide = isHoriz ? 'top' : 'left';\n var secondarySide = isHoriz ? 'left' : 'top';\n var measurement = isHoriz ? 'height' : 'width';\n var secondaryMeasurement = !isHoriz ? 'height' : 'width';\n\n popperOffsets[mainSide] = referenceOffsets[mainSide] + referenceOffsets[measurement] / 2 - popperRect[measurement] / 2;\n if (placement === secondarySide) {\n popperOffsets[secondarySide] = referenceOffsets[secondarySide] - popperRect[secondaryMeasurement];\n } else {\n popperOffsets[secondarySide] = referenceOffsets[getOppositePlacement(secondarySide)];\n }\n\n return popperOffsets;\n}\n\n/**\n * Mimics the `find` method of Array\n * @method\n * @memberof Popper.Utils\n * @argument {Array} arr\n * @argument prop\n * @argument value\n * @returns index or -1\n */\nfunction find(arr, check) {\n // use native find if supported\n if (Array.prototype.find) {\n return arr.find(check);\n }\n\n // use `filter` to obtain the same behavior of `find`\n return arr.filter(check)[0];\n}\n\n/**\n * Return the index of the matching object\n * @method\n * @memberof Popper.Utils\n * @argument {Array} arr\n * @argument prop\n * @argument value\n * @returns index or -1\n */\nfunction findIndex(arr, prop, value) {\n // use native findIndex if supported\n if (Array.prototype.findIndex) {\n return arr.findIndex(function (cur) {\n return cur[prop] === value;\n });\n }\n\n // use `find` + `indexOf` if `findIndex` isn't supported\n var match = find(arr, function (obj) {\n return obj[prop] === value;\n });\n return arr.indexOf(match);\n}\n\n/**\n * Loop trough the list of modifiers and run them in order,\n * each of them will then edit the data object.\n * @method\n * @memberof Popper.Utils\n * @param {dataObject} data\n * @param {Array} modifiers\n * @param {String} ends - Optional modifier name used as stopper\n * @returns {dataObject}\n */\nfunction runModifiers(modifiers, data, ends) {\n var modifiersToRun = ends === undefined ? modifiers : modifiers.slice(0, findIndex(modifiers, 'name', ends));\n\n modifiersToRun.forEach(function (modifier) {\n if (modifier['function']) {\n // eslint-disable-line dot-notation\n console.warn('`modifier.function` is deprecated, use `modifier.fn`!');\n }\n var fn = modifier['function'] || modifier.fn; // eslint-disable-line dot-notation\n if (modifier.enabled && isFunction(fn)) {\n // Add properties to offsets to make them a complete clientRect object\n // we do this before each modifier to make sure the previous one doesn't\n // mess with these values\n data.offsets.popper = getClientRect(data.offsets.popper);\n data.offsets.reference = getClientRect(data.offsets.reference);\n\n data = fn(data, modifier);\n }\n });\n\n return data;\n}\n\n/**\n * Updates the position of the popper, computing the new offsets and applying\n * the new style. \n * Prefer `scheduleUpdate` over `update` because of performance reasons.\n * @method\n * @memberof Popper\n */\nfunction update() {\n // if popper is destroyed, don't perform any further update\n if (this.state.isDestroyed) {\n return;\n }\n\n var data = {\n instance: this,\n styles: {},\n arrowStyles: {},\n attributes: {},\n flipped: false,\n offsets: {}\n };\n\n // compute reference element offsets\n data.offsets.reference = getReferenceOffsets(this.state, this.popper, this.reference, this.options.positionFixed);\n\n // compute auto placement, store placement inside the data object,\n // modifiers will be able to edit `placement` if needed\n // and refer to originalPlacement to know the original value\n data.placement = computeAutoPlacement(this.options.placement, data.offsets.reference, this.popper, this.reference, this.options.modifiers.flip.boundariesElement, this.options.modifiers.flip.padding);\n\n // store the computed placement inside `originalPlacement`\n data.originalPlacement = data.placement;\n\n data.positionFixed = this.options.positionFixed;\n\n // compute the popper offsets\n data.offsets.popper = getPopperOffsets(this.popper, data.offsets.reference, data.placement);\n\n data.offsets.popper.position = this.options.positionFixed ? 'fixed' : 'absolute';\n\n // run the modifiers\n data = runModifiers(this.modifiers, data);\n\n // the first `update` will call `onCreate` callback\n // the other ones will call `onUpdate` callback\n if (!this.state.isCreated) {\n this.state.isCreated = true;\n this.options.onCreate(data);\n } else {\n this.options.onUpdate(data);\n }\n}\n\n/**\n * Helper used to know if the given modifier is enabled.\n * @method\n * @memberof Popper.Utils\n * @returns {Boolean}\n */\nfunction isModifierEnabled(modifiers, modifierName) {\n return modifiers.some(function (_ref) {\n var name = _ref.name,\n enabled = _ref.enabled;\n return enabled && name === modifierName;\n });\n}\n\n/**\n * Get the prefixed supported property name\n * @method\n * @memberof Popper.Utils\n * @argument {String} property (camelCase)\n * @returns {String} prefixed property (camelCase or PascalCase, depending on the vendor prefix)\n */\nfunction getSupportedPropertyName(property) {\n var prefixes = [false, 'ms', 'Webkit', 'Moz', 'O'];\n var upperProp = property.charAt(0).toUpperCase() + property.slice(1);\n\n for (var i = 0; i < prefixes.length; i++) {\n var prefix = prefixes[i];\n var toCheck = prefix ? '' + prefix + upperProp : property;\n if (typeof document.body.style[toCheck] !== 'undefined') {\n return toCheck;\n }\n }\n return null;\n}\n\n/**\n * Destroys the popper.\n * @method\n * @memberof Popper\n */\nfunction destroy() {\n this.state.isDestroyed = true;\n\n // touch DOM only if `applyStyle` modifier is enabled\n if (isModifierEnabled(this.modifiers, 'applyStyle')) {\n this.popper.removeAttribute('x-placement');\n this.popper.style.position = '';\n this.popper.style.top = '';\n this.popper.style.left = '';\n this.popper.style.right = '';\n this.popper.style.bottom = '';\n this.popper.style.willChange = '';\n this.popper.style[getSupportedPropertyName('transform')] = '';\n }\n\n this.disableEventListeners();\n\n // remove the popper if user explicitly asked for the deletion on destroy\n // do not use `remove` because IE11 doesn't support it\n if (this.options.removeOnDestroy) {\n this.popper.parentNode.removeChild(this.popper);\n }\n return this;\n}\n\n/**\n * Get the window associated with the element\n * @argument {Element} element\n * @returns {Window}\n */\nfunction getWindow(element) {\n var ownerDocument = element.ownerDocument;\n return ownerDocument ? ownerDocument.defaultView : window;\n}\n\nfunction attachToScrollParents(scrollParent, event, callback, scrollParents) {\n var isBody = scrollParent.nodeName === 'BODY';\n var target = isBody ? scrollParent.ownerDocument.defaultView : scrollParent;\n target.addEventListener(event, callback, { passive: true });\n\n if (!isBody) {\n attachToScrollParents(getScrollParent(target.parentNode), event, callback, scrollParents);\n }\n scrollParents.push(target);\n}\n\n/**\n * Setup needed event listeners used to update the popper position\n * @method\n * @memberof Popper.Utils\n * @private\n */\nfunction setupEventListeners(reference, options, state, updateBound) {\n // Resize event listener on window\n state.updateBound = updateBound;\n getWindow(reference).addEventListener('resize', state.updateBound, { passive: true });\n\n // Scroll event listener on scroll parents\n var scrollElement = getScrollParent(reference);\n attachToScrollParents(scrollElement, 'scroll', state.updateBound, state.scrollParents);\n state.scrollElement = scrollElement;\n state.eventsEnabled = true;\n\n return state;\n}\n\n/**\n * It will add resize/scroll events and start recalculating\n * position of the popper element when they are triggered.\n * @method\n * @memberof Popper\n */\nfunction enableEventListeners() {\n if (!this.state.eventsEnabled) {\n this.state = setupEventListeners(this.reference, this.options, this.state, this.scheduleUpdate);\n }\n}\n\n/**\n * Remove event listeners used to update the popper position\n * @method\n * @memberof Popper.Utils\n * @private\n */\nfunction removeEventListeners(reference, state) {\n // Remove resize event listener on window\n getWindow(reference).removeEventListener('resize', state.updateBound);\n\n // Remove scroll event listener on scroll parents\n state.scrollParents.forEach(function (target) {\n target.removeEventListener('scroll', state.updateBound);\n });\n\n // Reset state\n state.updateBound = null;\n state.scrollParents = [];\n state.scrollElement = null;\n state.eventsEnabled = false;\n return state;\n}\n\n/**\n * It will remove resize/scroll events and won't recalculate popper position\n * when they are triggered. It also won't trigger `onUpdate` callback anymore,\n * unless you call `update` method manually.\n * @method\n * @memberof Popper\n */\nfunction disableEventListeners() {\n if (this.state.eventsEnabled) {\n cancelAnimationFrame(this.scheduleUpdate);\n this.state = removeEventListeners(this.reference, this.state);\n }\n}\n\n/**\n * Tells if a given input is a number\n * @method\n * @memberof Popper.Utils\n * @param {*} input to check\n * @return {Boolean}\n */\nfunction isNumeric(n) {\n return n !== '' && !isNaN(parseFloat(n)) && isFinite(n);\n}\n\n/**\n * Set the style to the given popper\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element - Element to apply the style to\n * @argument {Object} styles\n * Object with a list of properties and values which will be applied to the element\n */\nfunction setStyles(element, styles) {\n Object.keys(styles).forEach(function (prop) {\n var unit = '';\n // add unit if the value is numeric and is one of the following\n if (['width', 'height', 'top', 'right', 'bottom', 'left'].indexOf(prop) !== -1 && isNumeric(styles[prop])) {\n unit = 'px';\n }\n element.style[prop] = styles[prop] + unit;\n });\n}\n\n/**\n * Set the attributes to the given popper\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element - Element to apply the attributes to\n * @argument {Object} styles\n * Object with a list of properties and values which will be applied to the element\n */\nfunction setAttributes(element, attributes) {\n Object.keys(attributes).forEach(function (prop) {\n var value = attributes[prop];\n if (value !== false) {\n element.setAttribute(prop, attributes[prop]);\n } else {\n element.removeAttribute(prop);\n }\n });\n}\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by `update` method\n * @argument {Object} data.styles - List of style properties - values to apply to popper element\n * @argument {Object} data.attributes - List of attribute properties - values to apply to popper element\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The same data object\n */\nfunction applyStyle(data) {\n // any property present in `data.styles` will be applied to the popper,\n // in this way we can make the 3rd party modifiers add custom styles to it\n // Be aware, modifiers could override the properties defined in the previous\n // lines of this modifier!\n setStyles(data.instance.popper, data.styles);\n\n // any property present in `data.attributes` will be applied to the popper,\n // they will be set as HTML attributes of the element\n setAttributes(data.instance.popper, data.attributes);\n\n // if arrowElement is defined and arrowStyles has some properties\n if (data.arrowElement && Object.keys(data.arrowStyles).length) {\n setStyles(data.arrowElement, data.arrowStyles);\n }\n\n return data;\n}\n\n/**\n * Set the x-placement attribute before everything else because it could be used\n * to add margins to the popper margins needs to be calculated to get the\n * correct popper offsets.\n * @method\n * @memberof Popper.modifiers\n * @param {HTMLElement} reference - The reference element used to position the popper\n * @param {HTMLElement} popper - The HTML element used as popper\n * @param {Object} options - Popper.js options\n */\nfunction applyStyleOnLoad(reference, popper, options, modifierOptions, state) {\n // compute reference element offsets\n var referenceOffsets = getReferenceOffsets(state, popper, reference, options.positionFixed);\n\n // compute auto placement, store placement inside the data object,\n // modifiers will be able to edit `placement` if needed\n // and refer to originalPlacement to know the original value\n var placement = computeAutoPlacement(options.placement, referenceOffsets, popper, reference, options.modifiers.flip.boundariesElement, options.modifiers.flip.padding);\n\n popper.setAttribute('x-placement', placement);\n\n // Apply `position` to popper before anything else because\n // without the position applied we can't guarantee correct computations\n setStyles(popper, { position: options.positionFixed ? 'fixed' : 'absolute' });\n\n return options;\n}\n\n/**\n * @function\n * @memberof Popper.Utils\n * @argument {Object} data - The data object generated by `update` method\n * @argument {Boolean} shouldRound - If the offsets should be rounded at all\n * @returns {Object} The popper's position offsets rounded\n *\n * The tale of pixel-perfect positioning. It's still not 100% perfect, but as\n * good as it can be within reason.\n * Discussion here: https://github.com/FezVrasta/popper.js/pull/715\n *\n * Low DPI screens cause a popper to be blurry if not using full pixels (Safari\n * as well on High DPI screens).\n *\n * Firefox prefers no rounding for positioning and does not have blurriness on\n * high DPI screens.\n *\n * Only horizontal placement and left/right values need to be considered.\n */\nfunction getRoundedOffsets(data, shouldRound) {\n var _data$offsets = data.offsets,\n popper = _data$offsets.popper,\n reference = _data$offsets.reference;\n var round = Math.round,\n floor = Math.floor;\n\n var noRound = function noRound(v) {\n return v;\n };\n\n var referenceWidth = round(reference.width);\n var popperWidth = round(popper.width);\n\n var isVertical = ['left', 'right'].indexOf(data.placement) !== -1;\n var isVariation = data.placement.indexOf('-') !== -1;\n var sameWidthParity = referenceWidth % 2 === popperWidth % 2;\n var bothOddWidth = referenceWidth % 2 === 1 && popperWidth % 2 === 1;\n\n var horizontalToInteger = !shouldRound ? noRound : isVertical || isVariation || sameWidthParity ? round : floor;\n var verticalToInteger = !shouldRound ? noRound : round;\n\n return {\n left: horizontalToInteger(bothOddWidth && !isVariation && shouldRound ? popper.left - 1 : popper.left),\n top: verticalToInteger(popper.top),\n bottom: verticalToInteger(popper.bottom),\n right: horizontalToInteger(popper.right)\n };\n}\n\nvar isFirefox = isBrowser && /Firefox/i.test(navigator.userAgent);\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by `update` method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nfunction computeStyle(data, options) {\n var x = options.x,\n y = options.y;\n var popper = data.offsets.popper;\n\n // Remove this legacy support in Popper.js v2\n\n var legacyGpuAccelerationOption = find(data.instance.modifiers, function (modifier) {\n return modifier.name === 'applyStyle';\n }).gpuAcceleration;\n if (legacyGpuAccelerationOption !== undefined) {\n console.warn('WARNING: `gpuAcceleration` option moved to `computeStyle` modifier and will not be supported in future versions of Popper.js!');\n }\n var gpuAcceleration = legacyGpuAccelerationOption !== undefined ? legacyGpuAccelerationOption : options.gpuAcceleration;\n\n var offsetParent = getOffsetParent(data.instance.popper);\n var offsetParentRect = getBoundingClientRect(offsetParent);\n\n // Styles\n var styles = {\n position: popper.position\n };\n\n var offsets = getRoundedOffsets(data, window.devicePixelRatio < 2 || !isFirefox);\n\n var sideA = x === 'bottom' ? 'top' : 'bottom';\n var sideB = y === 'right' ? 'left' : 'right';\n\n // if gpuAcceleration is set to `true` and transform is supported,\n // we use `translate3d` to apply the position to the popper we\n // automatically use the supported prefixed version if needed\n var prefixedProperty = getSupportedPropertyName('transform');\n\n // now, let's make a step back and look at this code closely (wtf?)\n // If the content of the popper grows once it's been positioned, it\n // may happen that the popper gets misplaced because of the new content\n // overflowing its reference element\n // To avoid this problem, we provide two options (x and y), which allow\n // the consumer to define the offset origin.\n // If we position a popper on top of a reference element, we can set\n // `x` to `top` to make the popper grow towards its top instead of\n // its bottom.\n var left = void 0,\n top = void 0;\n if (sideA === 'bottom') {\n // when offsetParent is the positioning is relative to the bottom of the screen (excluding the scrollbar)\n // and not the bottom of the html element\n if (offsetParent.nodeName === 'HTML') {\n top = -offsetParent.clientHeight + offsets.bottom;\n } else {\n top = -offsetParentRect.height + offsets.bottom;\n }\n } else {\n top = offsets.top;\n }\n if (sideB === 'right') {\n if (offsetParent.nodeName === 'HTML') {\n left = -offsetParent.clientWidth + offsets.right;\n } else {\n left = -offsetParentRect.width + offsets.right;\n }\n } else {\n left = offsets.left;\n }\n if (gpuAcceleration && prefixedProperty) {\n styles[prefixedProperty] = 'translate3d(' + left + 'px, ' + top + 'px, 0)';\n styles[sideA] = 0;\n styles[sideB] = 0;\n styles.willChange = 'transform';\n } else {\n // othwerise, we use the standard `top`, `left`, `bottom` and `right` properties\n var invertTop = sideA === 'bottom' ? -1 : 1;\n var invertLeft = sideB === 'right' ? -1 : 1;\n styles[sideA] = top * invertTop;\n styles[sideB] = left * invertLeft;\n styles.willChange = sideA + ', ' + sideB;\n }\n\n // Attributes\n var attributes = {\n 'x-placement': data.placement\n };\n\n // Update `data` attributes, styles and arrowStyles\n data.attributes = _extends({}, attributes, data.attributes);\n data.styles = _extends({}, styles, data.styles);\n data.arrowStyles = _extends({}, data.offsets.arrow, data.arrowStyles);\n\n return data;\n}\n\n/**\n * Helper used to know if the given modifier depends from another one. \n * It checks if the needed modifier is listed and enabled.\n * @method\n * @memberof Popper.Utils\n * @param {Array} modifiers - list of modifiers\n * @param {String} requestingName - name of requesting modifier\n * @param {String} requestedName - name of requested modifier\n * @returns {Boolean}\n */\nfunction isModifierRequired(modifiers, requestingName, requestedName) {\n var requesting = find(modifiers, function (_ref) {\n var name = _ref.name;\n return name === requestingName;\n });\n\n var isRequired = !!requesting && modifiers.some(function (modifier) {\n return modifier.name === requestedName && modifier.enabled && modifier.order < requesting.order;\n });\n\n if (!isRequired) {\n var _requesting = '`' + requestingName + '`';\n var requested = '`' + requestedName + '`';\n console.warn(requested + ' modifier is required by ' + _requesting + ' modifier in order to work, be sure to include it before ' + _requesting + '!');\n }\n return isRequired;\n}\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by update method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nfunction arrow(data, options) {\n var _data$offsets$arrow;\n\n // arrow depends on keepTogether in order to work\n if (!isModifierRequired(data.instance.modifiers, 'arrow', 'keepTogether')) {\n return data;\n }\n\n var arrowElement = options.element;\n\n // if arrowElement is a string, suppose it's a CSS selector\n if (typeof arrowElement === 'string') {\n arrowElement = data.instance.popper.querySelector(arrowElement);\n\n // if arrowElement is not found, don't run the modifier\n if (!arrowElement) {\n return data;\n }\n } else {\n // if the arrowElement isn't a query selector we must check that the\n // provided DOM node is child of its popper node\n if (!data.instance.popper.contains(arrowElement)) {\n console.warn('WARNING: `arrow.element` must be child of its popper element!');\n return data;\n }\n }\n\n var placement = data.placement.split('-')[0];\n var _data$offsets = data.offsets,\n popper = _data$offsets.popper,\n reference = _data$offsets.reference;\n\n var isVertical = ['left', 'right'].indexOf(placement) !== -1;\n\n var len = isVertical ? 'height' : 'width';\n var sideCapitalized = isVertical ? 'Top' : 'Left';\n var side = sideCapitalized.toLowerCase();\n var altSide = isVertical ? 'left' : 'top';\n var opSide = isVertical ? 'bottom' : 'right';\n var arrowElementSize = getOuterSizes(arrowElement)[len];\n\n //\n // extends keepTogether behavior making sure the popper and its\n // reference have enough pixels in conjunction\n //\n\n // top/left side\n if (reference[opSide] - arrowElementSize < popper[side]) {\n data.offsets.popper[side] -= popper[side] - (reference[opSide] - arrowElementSize);\n }\n // bottom/right side\n if (reference[side] + arrowElementSize > popper[opSide]) {\n data.offsets.popper[side] += reference[side] + arrowElementSize - popper[opSide];\n }\n data.offsets.popper = getClientRect(data.offsets.popper);\n\n // compute center of the popper\n var center = reference[side] + reference[len] / 2 - arrowElementSize / 2;\n\n // Compute the sideValue using the updated popper offsets\n // take popper margin in account because we don't have this info available\n var css = getStyleComputedProperty(data.instance.popper);\n var popperMarginSide = parseFloat(css['margin' + sideCapitalized]);\n var popperBorderSide = parseFloat(css['border' + sideCapitalized + 'Width']);\n var sideValue = center - data.offsets.popper[side] - popperMarginSide - popperBorderSide;\n\n // prevent arrowElement from being placed not contiguously to its popper\n sideValue = Math.max(Math.min(popper[len] - arrowElementSize, sideValue), 0);\n\n data.arrowElement = arrowElement;\n data.offsets.arrow = (_data$offsets$arrow = {}, defineProperty(_data$offsets$arrow, side, Math.round(sideValue)), defineProperty(_data$offsets$arrow, altSide, ''), _data$offsets$arrow);\n\n return data;\n}\n\n/**\n * Get the opposite placement variation of the given one\n * @method\n * @memberof Popper.Utils\n * @argument {String} placement variation\n * @returns {String} flipped placement variation\n */\nfunction getOppositeVariation(variation) {\n if (variation === 'end') {\n return 'start';\n } else if (variation === 'start') {\n return 'end';\n }\n return variation;\n}\n\n/**\n * List of accepted placements to use as values of the `placement` option. \n * Valid placements are:\n * - `auto`\n * - `top`\n * - `right`\n * - `bottom`\n * - `left`\n *\n * Each placement can have a variation from this list:\n * - `-start`\n * - `-end`\n *\n * Variations are interpreted easily if you think of them as the left to right\n * written languages. Horizontally (`top` and `bottom`), `start` is left and `end`\n * is right. \n * Vertically (`left` and `right`), `start` is top and `end` is bottom.\n *\n * Some valid examples are:\n * - `top-end` (on top of reference, right aligned)\n * - `right-start` (on right of reference, top aligned)\n * - `bottom` (on bottom, centered)\n * - `auto-end` (on the side with more space available, alignment depends by placement)\n *\n * @static\n * @type {Array}\n * @enum {String}\n * @readonly\n * @method placements\n * @memberof Popper\n */\nvar placements = ['auto-start', 'auto', 'auto-end', 'top-start', 'top', 'top-end', 'right-start', 'right', 'right-end', 'bottom-end', 'bottom', 'bottom-start', 'left-end', 'left', 'left-start'];\n\n// Get rid of `auto` `auto-start` and `auto-end`\nvar validPlacements = placements.slice(3);\n\n/**\n * Given an initial placement, returns all the subsequent placements\n * clockwise (or counter-clockwise).\n *\n * @method\n * @memberof Popper.Utils\n * @argument {String} placement - A valid placement (it accepts variations)\n * @argument {Boolean} counter - Set to true to walk the placements counterclockwise\n * @returns {Array} placements including their variations\n */\nfunction clockwise(placement) {\n var counter = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;\n\n var index = validPlacements.indexOf(placement);\n var arr = validPlacements.slice(index + 1).concat(validPlacements.slice(0, index));\n return counter ? arr.reverse() : arr;\n}\n\nvar BEHAVIORS = {\n FLIP: 'flip',\n CLOCKWISE: 'clockwise',\n COUNTERCLOCKWISE: 'counterclockwise'\n};\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by update method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nfunction flip(data, options) {\n // if `inner` modifier is enabled, we can't use the `flip` modifier\n if (isModifierEnabled(data.instance.modifiers, 'inner')) {\n return data;\n }\n\n if (data.flipped && data.placement === data.originalPlacement) {\n // seems like flip is trying to loop, probably there's not enough space on any of the flippable sides\n return data;\n }\n\n var boundaries = getBoundaries(data.instance.popper, data.instance.reference, options.padding, options.boundariesElement, data.positionFixed);\n\n var placement = data.placement.split('-')[0];\n var placementOpposite = getOppositePlacement(placement);\n var variation = data.placement.split('-')[1] || '';\n\n var flipOrder = [];\n\n switch (options.behavior) {\n case BEHAVIORS.FLIP:\n flipOrder = [placement, placementOpposite];\n break;\n case BEHAVIORS.CLOCKWISE:\n flipOrder = clockwise(placement);\n break;\n case BEHAVIORS.COUNTERCLOCKWISE:\n flipOrder = clockwise(placement, true);\n break;\n default:\n flipOrder = options.behavior;\n }\n\n flipOrder.forEach(function (step, index) {\n if (placement !== step || flipOrder.length === index + 1) {\n return data;\n }\n\n placement = data.placement.split('-')[0];\n placementOpposite = getOppositePlacement(placement);\n\n var popperOffsets = data.offsets.popper;\n var refOffsets = data.offsets.reference;\n\n // using floor because the reference offsets may contain decimals we are not going to consider here\n var floor = Math.floor;\n var overlapsRef = placement === 'left' && floor(popperOffsets.right) > floor(refOffsets.left) || placement === 'right' && floor(popperOffsets.left) < floor(refOffsets.right) || placement === 'top' && floor(popperOffsets.bottom) > floor(refOffsets.top) || placement === 'bottom' && floor(popperOffsets.top) < floor(refOffsets.bottom);\n\n var overflowsLeft = floor(popperOffsets.left) < floor(boundaries.left);\n var overflowsRight = floor(popperOffsets.right) > floor(boundaries.right);\n var overflowsTop = floor(popperOffsets.top) < floor(boundaries.top);\n var overflowsBottom = floor(popperOffsets.bottom) > floor(boundaries.bottom);\n\n var overflowsBoundaries = placement === 'left' && overflowsLeft || placement === 'right' && overflowsRight || placement === 'top' && overflowsTop || placement === 'bottom' && overflowsBottom;\n\n // flip the variation if required\n var isVertical = ['top', 'bottom'].indexOf(placement) !== -1;\n\n // flips variation if reference element overflows boundaries\n var flippedVariationByRef = !!options.flipVariations && (isVertical && variation === 'start' && overflowsLeft || isVertical && variation === 'end' && overflowsRight || !isVertical && variation === 'start' && overflowsTop || !isVertical && variation === 'end' && overflowsBottom);\n\n // flips variation if popper content overflows boundaries\n var flippedVariationByContent = !!options.flipVariationsByContent && (isVertical && variation === 'start' && overflowsRight || isVertical && variation === 'end' && overflowsLeft || !isVertical && variation === 'start' && overflowsBottom || !isVertical && variation === 'end' && overflowsTop);\n\n var flippedVariation = flippedVariationByRef || flippedVariationByContent;\n\n if (overlapsRef || overflowsBoundaries || flippedVariation) {\n // this boolean to detect any flip loop\n data.flipped = true;\n\n if (overlapsRef || overflowsBoundaries) {\n placement = flipOrder[index + 1];\n }\n\n if (flippedVariation) {\n variation = getOppositeVariation(variation);\n }\n\n data.placement = placement + (variation ? '-' + variation : '');\n\n // this object contains `position`, we want to preserve it along with\n // any additional property we may add in the future\n data.offsets.popper = _extends({}, data.offsets.popper, getPopperOffsets(data.instance.popper, data.offsets.reference, data.placement));\n\n data = runModifiers(data.instance.modifiers, data, 'flip');\n }\n });\n return data;\n}\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by update method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nfunction keepTogether(data) {\n var _data$offsets = data.offsets,\n popper = _data$offsets.popper,\n reference = _data$offsets.reference;\n\n var placement = data.placement.split('-')[0];\n var floor = Math.floor;\n var isVertical = ['top', 'bottom'].indexOf(placement) !== -1;\n var side = isVertical ? 'right' : 'bottom';\n var opSide = isVertical ? 'left' : 'top';\n var measurement = isVertical ? 'width' : 'height';\n\n if (popper[side] < floor(reference[opSide])) {\n data.offsets.popper[opSide] = floor(reference[opSide]) - popper[measurement];\n }\n if (popper[opSide] > floor(reference[side])) {\n data.offsets.popper[opSide] = floor(reference[side]);\n }\n\n return data;\n}\n\n/**\n * Converts a string containing value + unit into a px value number\n * @function\n * @memberof {modifiers~offset}\n * @private\n * @argument {String} str - Value + unit string\n * @argument {String} measurement - `height` or `width`\n * @argument {Object} popperOffsets\n * @argument {Object} referenceOffsets\n * @returns {Number|String}\n * Value in pixels, or original string if no values were extracted\n */\nfunction toValue(str, measurement, popperOffsets, referenceOffsets) {\n // separate value from unit\n var split = str.match(/((?:\\-|\\+)?\\d*\\.?\\d*)(.*)/);\n var value = +split[1];\n var unit = split[2];\n\n // If it's not a number it's an operator, I guess\n if (!value) {\n return str;\n }\n\n if (unit.indexOf('%') === 0) {\n var element = void 0;\n switch (unit) {\n case '%p':\n element = popperOffsets;\n break;\n case '%':\n case '%r':\n default:\n element = referenceOffsets;\n }\n\n var rect = getClientRect(element);\n return rect[measurement] / 100 * value;\n } else if (unit === 'vh' || unit === 'vw') {\n // if is a vh or vw, we calculate the size based on the viewport\n var size = void 0;\n if (unit === 'vh') {\n size = Math.max(document.documentElement.clientHeight, window.innerHeight || 0);\n } else {\n size = Math.max(document.documentElement.clientWidth, window.innerWidth || 0);\n }\n return size / 100 * value;\n } else {\n // if is an explicit pixel unit, we get rid of the unit and keep the value\n // if is an implicit unit, it's px, and we return just the value\n return value;\n }\n}\n\n/**\n * Parse an `offset` string to extrapolate `x` and `y` numeric offsets.\n * @function\n * @memberof {modifiers~offset}\n * @private\n * @argument {String} offset\n * @argument {Object} popperOffsets\n * @argument {Object} referenceOffsets\n * @argument {String} basePlacement\n * @returns {Array} a two cells array with x and y offsets in numbers\n */\nfunction parseOffset(offset, popperOffsets, referenceOffsets, basePlacement) {\n var offsets = [0, 0];\n\n // Use height if placement is left or right and index is 0 otherwise use width\n // in this way the first offset will use an axis and the second one\n // will use the other one\n var useHeight = ['right', 'left'].indexOf(basePlacement) !== -1;\n\n // Split the offset string to obtain a list of values and operands\n // The regex addresses values with the plus or minus sign in front (+10, -20, etc)\n var fragments = offset.split(/(\\+|\\-)/).map(function (frag) {\n return frag.trim();\n });\n\n // Detect if the offset string contains a pair of values or a single one\n // they could be separated by comma or space\n var divider = fragments.indexOf(find(fragments, function (frag) {\n return frag.search(/,|\\s/) !== -1;\n }));\n\n if (fragments[divider] && fragments[divider].indexOf(',') === -1) {\n console.warn('Offsets separated by white space(s) are deprecated, use a comma (,) instead.');\n }\n\n // If divider is found, we divide the list of values and operands to divide\n // them by ofset X and Y.\n var splitRegex = /\\s*,\\s*|\\s+/;\n var ops = divider !== -1 ? [fragments.slice(0, divider).concat([fragments[divider].split(splitRegex)[0]]), [fragments[divider].split(splitRegex)[1]].concat(fragments.slice(divider + 1))] : [fragments];\n\n // Convert the values with units to absolute pixels to allow our computations\n ops = ops.map(function (op, index) {\n // Most of the units rely on the orientation of the popper\n var measurement = (index === 1 ? !useHeight : useHeight) ? 'height' : 'width';\n var mergeWithPrevious = false;\n return op\n // This aggregates any `+` or `-` sign that aren't considered operators\n // e.g.: 10 + +5 => [10, +, +5]\n .reduce(function (a, b) {\n if (a[a.length - 1] === '' && ['+', '-'].indexOf(b) !== -1) {\n a[a.length - 1] = b;\n mergeWithPrevious = true;\n return a;\n } else if (mergeWithPrevious) {\n a[a.length - 1] += b;\n mergeWithPrevious = false;\n return a;\n } else {\n return a.concat(b);\n }\n }, [])\n // Here we convert the string values into number values (in px)\n .map(function (str) {\n return toValue(str, measurement, popperOffsets, referenceOffsets);\n });\n });\n\n // Loop trough the offsets arrays and execute the operations\n ops.forEach(function (op, index) {\n op.forEach(function (frag, index2) {\n if (isNumeric(frag)) {\n offsets[index] += frag * (op[index2 - 1] === '-' ? -1 : 1);\n }\n });\n });\n return offsets;\n}\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by update method\n * @argument {Object} options - Modifiers configuration and options\n * @argument {Number|String} options.offset=0\n * The offset value as described in the modifier description\n * @returns {Object} The data object, properly modified\n */\nfunction offset(data, _ref) {\n var offset = _ref.offset;\n var placement = data.placement,\n _data$offsets = data.offsets,\n popper = _data$offsets.popper,\n reference = _data$offsets.reference;\n\n var basePlacement = placement.split('-')[0];\n\n var offsets = void 0;\n if (isNumeric(+offset)) {\n offsets = [+offset, 0];\n } else {\n offsets = parseOffset(offset, popper, reference, basePlacement);\n }\n\n if (basePlacement === 'left') {\n popper.top += offsets[0];\n popper.left -= offsets[1];\n } else if (basePlacement === 'right') {\n popper.top += offsets[0];\n popper.left += offsets[1];\n } else if (basePlacement === 'top') {\n popper.left += offsets[0];\n popper.top -= offsets[1];\n } else if (basePlacement === 'bottom') {\n popper.left += offsets[0];\n popper.top += offsets[1];\n }\n\n data.popper = popper;\n return data;\n}\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by `update` method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nfunction preventOverflow(data, options) {\n var boundariesElement = options.boundariesElement || getOffsetParent(data.instance.popper);\n\n // If offsetParent is the reference element, we really want to\n // go one step up and use the next offsetParent as reference to\n // avoid to make this modifier completely useless and look like broken\n if (data.instance.reference === boundariesElement) {\n boundariesElement = getOffsetParent(boundariesElement);\n }\n\n // NOTE: DOM access here\n // resets the popper's position so that the document size can be calculated excluding\n // the size of the popper element itself\n var transformProp = getSupportedPropertyName('transform');\n var popperStyles = data.instance.popper.style; // assignment to help minification\n var top = popperStyles.top,\n left = popperStyles.left,\n transform = popperStyles[transformProp];\n\n popperStyles.top = '';\n popperStyles.left = '';\n popperStyles[transformProp] = '';\n\n var boundaries = getBoundaries(data.instance.popper, data.instance.reference, options.padding, boundariesElement, data.positionFixed);\n\n // NOTE: DOM access here\n // restores the original style properties after the offsets have been computed\n popperStyles.top = top;\n popperStyles.left = left;\n popperStyles[transformProp] = transform;\n\n options.boundaries = boundaries;\n\n var order = options.priority;\n var popper = data.offsets.popper;\n\n var check = {\n primary: function primary(placement) {\n var value = popper[placement];\n if (popper[placement] < boundaries[placement] && !options.escapeWithReference) {\n value = Math.max(popper[placement], boundaries[placement]);\n }\n return defineProperty({}, placement, value);\n },\n secondary: function secondary(placement) {\n var mainSide = placement === 'right' ? 'left' : 'top';\n var value = popper[mainSide];\n if (popper[placement] > boundaries[placement] && !options.escapeWithReference) {\n value = Math.min(popper[mainSide], boundaries[placement] - (placement === 'right' ? popper.width : popper.height));\n }\n return defineProperty({}, mainSide, value);\n }\n };\n\n order.forEach(function (placement) {\n var side = ['left', 'top'].indexOf(placement) !== -1 ? 'primary' : 'secondary';\n popper = _extends({}, popper, check[side](placement));\n });\n\n data.offsets.popper = popper;\n\n return data;\n}\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by `update` method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nfunction shift(data) {\n var placement = data.placement;\n var basePlacement = placement.split('-')[0];\n var shiftvariation = placement.split('-')[1];\n\n // if shift shiftvariation is specified, run the modifier\n if (shiftvariation) {\n var _data$offsets = data.offsets,\n reference = _data$offsets.reference,\n popper = _data$offsets.popper;\n\n var isVertical = ['bottom', 'top'].indexOf(basePlacement) !== -1;\n var side = isVertical ? 'left' : 'top';\n var measurement = isVertical ? 'width' : 'height';\n\n var shiftOffsets = {\n start: defineProperty({}, side, reference[side]),\n end: defineProperty({}, side, reference[side] + reference[measurement] - popper[measurement])\n };\n\n data.offsets.popper = _extends({}, popper, shiftOffsets[shiftvariation]);\n }\n\n return data;\n}\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by update method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nfunction hide(data) {\n if (!isModifierRequired(data.instance.modifiers, 'hide', 'preventOverflow')) {\n return data;\n }\n\n var refRect = data.offsets.reference;\n var bound = find(data.instance.modifiers, function (modifier) {\n return modifier.name === 'preventOverflow';\n }).boundaries;\n\n if (refRect.bottom < bound.top || refRect.left > bound.right || refRect.top > bound.bottom || refRect.right < bound.left) {\n // Avoid unnecessary DOM access if visibility hasn't changed\n if (data.hide === true) {\n return data;\n }\n\n data.hide = true;\n data.attributes['x-out-of-boundaries'] = '';\n } else {\n // Avoid unnecessary DOM access if visibility hasn't changed\n if (data.hide === false) {\n return data;\n }\n\n data.hide = false;\n data.attributes['x-out-of-boundaries'] = false;\n }\n\n return data;\n}\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by `update` method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nfunction inner(data) {\n var placement = data.placement;\n var basePlacement = placement.split('-')[0];\n var _data$offsets = data.offsets,\n popper = _data$offsets.popper,\n reference = _data$offsets.reference;\n\n var isHoriz = ['left', 'right'].indexOf(basePlacement) !== -1;\n\n var subtractLength = ['top', 'left'].indexOf(basePlacement) === -1;\n\n popper[isHoriz ? 'left' : 'top'] = reference[basePlacement] - (subtractLength ? popper[isHoriz ? 'width' : 'height'] : 0);\n\n data.placement = getOppositePlacement(placement);\n data.offsets.popper = getClientRect(popper);\n\n return data;\n}\n\n/**\n * Modifier function, each modifier can have a function of this type assigned\n * to its `fn` property. \n * These functions will be called on each update, this means that you must\n * make sure they are performant enough to avoid performance bottlenecks.\n *\n * @function ModifierFn\n * @argument {dataObject} data - The data object generated by `update` method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {dataObject} The data object, properly modified\n */\n\n/**\n * Modifiers are plugins used to alter the behavior of your poppers. \n * Popper.js uses a set of 9 modifiers to provide all the basic functionalities\n * needed by the library.\n *\n * Usually you don't want to override the `order`, `fn` and `onLoad` props.\n * All the other properties are configurations that could be tweaked.\n * @namespace modifiers\n */\nvar modifiers = {\n /**\n * Modifier used to shift the popper on the start or end of its reference\n * element. \n * It will read the variation of the `placement` property. \n * It can be one either `-end` or `-start`.\n * @memberof modifiers\n * @inner\n */\n shift: {\n /** @prop {number} order=100 - Index used to define the order of execution */\n order: 100,\n /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n enabled: true,\n /** @prop {ModifierFn} */\n fn: shift\n },\n\n /**\n * The `offset` modifier can shift your popper on both its axis.\n *\n * It accepts the following units:\n * - `px` or unit-less, interpreted as pixels\n * - `%` or `%r`, percentage relative to the length of the reference element\n * - `%p`, percentage relative to the length of the popper element\n * - `vw`, CSS viewport width unit\n * - `vh`, CSS viewport height unit\n *\n * For length is intended the main axis relative to the placement of the popper. \n * This means that if the placement is `top` or `bottom`, the length will be the\n * `width`. In case of `left` or `right`, it will be the `height`.\n *\n * You can provide a single value (as `Number` or `String`), or a pair of values\n * as `String` divided by a comma or one (or more) white spaces. \n * The latter is a deprecated method because it leads to confusion and will be\n * removed in v2. \n * Additionally, it accepts additions and subtractions between different units.\n * Note that multiplications and divisions aren't supported.\n *\n * Valid examples are:\n * ```\n * 10\n * '10%'\n * '10, 10'\n * '10%, 10'\n * '10 + 10%'\n * '10 - 5vh + 3%'\n * '-10px + 5vh, 5px - 6%'\n * ```\n * > **NB**: If you desire to apply offsets to your poppers in a way that may make them overlap\n * > with their reference element, unfortunately, you will have to disable the `flip` modifier.\n * > You can read more on this at this [issue](https://github.com/FezVrasta/popper.js/issues/373).\n *\n * @memberof modifiers\n * @inner\n */\n offset: {\n /** @prop {number} order=200 - Index used to define the order of execution */\n order: 200,\n /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n enabled: true,\n /** @prop {ModifierFn} */\n fn: offset,\n /** @prop {Number|String} offset=0\n * The offset value as described in the modifier description\n */\n offset: 0\n },\n\n /**\n * Modifier used to prevent the popper from being positioned outside the boundary.\n *\n * A scenario exists where the reference itself is not within the boundaries. \n * We can say it has \"escaped the boundaries\" — or just \"escaped\". \n * In this case we need to decide whether the popper should either:\n *\n * - detach from the reference and remain \"trapped\" in the boundaries, or\n * - if it should ignore the boundary and \"escape with its reference\"\n *\n * When `escapeWithReference` is set to`true` and reference is completely\n * outside its boundaries, the popper will overflow (or completely leave)\n * the boundaries in order to remain attached to the edge of the reference.\n *\n * @memberof modifiers\n * @inner\n */\n preventOverflow: {\n /** @prop {number} order=300 - Index used to define the order of execution */\n order: 300,\n /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n enabled: true,\n /** @prop {ModifierFn} */\n fn: preventOverflow,\n /**\n * @prop {Array} [priority=['left','right','top','bottom']]\n * Popper will try to prevent overflow following these priorities by default,\n * then, it could overflow on the left and on top of the `boundariesElement`\n */\n priority: ['left', 'right', 'top', 'bottom'],\n /**\n * @prop {number} padding=5\n * Amount of pixel used to define a minimum distance between the boundaries\n * and the popper. This makes sure the popper always has a little padding\n * between the edges of its container\n */\n padding: 5,\n /**\n * @prop {String|HTMLElement} boundariesElement='scrollParent'\n * Boundaries used by the modifier. Can be `scrollParent`, `window`,\n * `viewport` or any DOM element.\n */\n boundariesElement: 'scrollParent'\n },\n\n /**\n * Modifier used to make sure the reference and its popper stay near each other\n * without leaving any gap between the two. Especially useful when the arrow is\n * enabled and you want to ensure that it points to its reference element.\n * It cares only about the first axis. You can still have poppers with margin\n * between the popper and its reference element.\n * @memberof modifiers\n * @inner\n */\n keepTogether: {\n /** @prop {number} order=400 - Index used to define the order of execution */\n order: 400,\n /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n enabled: true,\n /** @prop {ModifierFn} */\n fn: keepTogether\n },\n\n /**\n * This modifier is used to move the `arrowElement` of the popper to make\n * sure it is positioned between the reference element and its popper element.\n * It will read the outer size of the `arrowElement` node to detect how many\n * pixels of conjunction are needed.\n *\n * It has no effect if no `arrowElement` is provided.\n * @memberof modifiers\n * @inner\n */\n arrow: {\n /** @prop {number} order=500 - Index used to define the order of execution */\n order: 500,\n /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n enabled: true,\n /** @prop {ModifierFn} */\n fn: arrow,\n /** @prop {String|HTMLElement} element='[x-arrow]' - Selector or node used as arrow */\n element: '[x-arrow]'\n },\n\n /**\n * Modifier used to flip the popper's placement when it starts to overlap its\n * reference element.\n *\n * Requires the `preventOverflow` modifier before it in order to work.\n *\n * **NOTE:** this modifier will interrupt the current update cycle and will\n * restart it if it detects the need to flip the placement.\n * @memberof modifiers\n * @inner\n */\n flip: {\n /** @prop {number} order=600 - Index used to define the order of execution */\n order: 600,\n /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n enabled: true,\n /** @prop {ModifierFn} */\n fn: flip,\n /**\n * @prop {String|Array} behavior='flip'\n * The behavior used to change the popper's placement. It can be one of\n * `flip`, `clockwise`, `counterclockwise` or an array with a list of valid\n * placements (with optional variations)\n */\n behavior: 'flip',\n /**\n * @prop {number} padding=5\n * The popper will flip if it hits the edges of the `boundariesElement`\n */\n padding: 5,\n /**\n * @prop {String|HTMLElement} boundariesElement='viewport'\n * The element which will define the boundaries of the popper position.\n * The popper will never be placed outside of the defined boundaries\n * (except if `keepTogether` is enabled)\n */\n boundariesElement: 'viewport',\n /**\n * @prop {Boolean} flipVariations=false\n * The popper will switch placement variation between `-start` and `-end` when\n * the reference element overlaps its boundaries.\n *\n * The original placement should have a set variation.\n */\n flipVariations: false,\n /**\n * @prop {Boolean} flipVariationsByContent=false\n * The popper will switch placement variation between `-start` and `-end` when\n * the popper element overlaps its reference boundaries.\n *\n * The original placement should have a set variation.\n */\n flipVariationsByContent: false\n },\n\n /**\n * Modifier used to make the popper flow toward the inner of the reference element.\n * By default, when this modifier is disabled, the popper will be placed outside\n * the reference element.\n * @memberof modifiers\n * @inner\n */\n inner: {\n /** @prop {number} order=700 - Index used to define the order of execution */\n order: 700,\n /** @prop {Boolean} enabled=false - Whether the modifier is enabled or not */\n enabled: false,\n /** @prop {ModifierFn} */\n fn: inner\n },\n\n /**\n * Modifier used to hide the popper when its reference element is outside of the\n * popper boundaries. It will set a `x-out-of-boundaries` attribute which can\n * be used to hide with a CSS selector the popper when its reference is\n * out of boundaries.\n *\n * Requires the `preventOverflow` modifier before it in order to work.\n * @memberof modifiers\n * @inner\n */\n hide: {\n /** @prop {number} order=800 - Index used to define the order of execution */\n order: 800,\n /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n enabled: true,\n /** @prop {ModifierFn} */\n fn: hide\n },\n\n /**\n * Computes the style that will be applied to the popper element to gets\n * properly positioned.\n *\n * Note that this modifier will not touch the DOM, it just prepares the styles\n * so that `applyStyle` modifier can apply it. This separation is useful\n * in case you need to replace `applyStyle` with a custom implementation.\n *\n * This modifier has `850` as `order` value to maintain backward compatibility\n * with previous versions of Popper.js. Expect the modifiers ordering method\n * to change in future major versions of the library.\n *\n * @memberof modifiers\n * @inner\n */\n computeStyle: {\n /** @prop {number} order=850 - Index used to define the order of execution */\n order: 850,\n /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n enabled: true,\n /** @prop {ModifierFn} */\n fn: computeStyle,\n /**\n * @prop {Boolean} gpuAcceleration=true\n * If true, it uses the CSS 3D transformation to position the popper.\n * Otherwise, it will use the `top` and `left` properties\n */\n gpuAcceleration: true,\n /**\n * @prop {string} [x='bottom']\n * Where to anchor the X axis (`bottom` or `top`). AKA X offset origin.\n * Change this if your popper should grow in a direction different from `bottom`\n */\n x: 'bottom',\n /**\n * @prop {string} [x='left']\n * Where to anchor the Y axis (`left` or `right`). AKA Y offset origin.\n * Change this if your popper should grow in a direction different from `right`\n */\n y: 'right'\n },\n\n /**\n * Applies the computed styles to the popper element.\n *\n * All the DOM manipulations are limited to this modifier. This is useful in case\n * you want to integrate Popper.js inside a framework or view library and you\n * want to delegate all the DOM manipulations to it.\n *\n * Note that if you disable this modifier, you must make sure the popper element\n * has its position set to `absolute` before Popper.js can do its work!\n *\n * Just disable this modifier and define your own to achieve the desired effect.\n *\n * @memberof modifiers\n * @inner\n */\n applyStyle: {\n /** @prop {number} order=900 - Index used to define the order of execution */\n order: 900,\n /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n enabled: true,\n /** @prop {ModifierFn} */\n fn: applyStyle,\n /** @prop {Function} */\n onLoad: applyStyleOnLoad,\n /**\n * @deprecated since version 1.10.0, the property moved to `computeStyle` modifier\n * @prop {Boolean} gpuAcceleration=true\n * If true, it uses the CSS 3D transformation to position the popper.\n * Otherwise, it will use the `top` and `left` properties\n */\n gpuAcceleration: undefined\n }\n};\n\n/**\n * The `dataObject` is an object containing all the information used by Popper.js.\n * This object is passed to modifiers and to the `onCreate` and `onUpdate` callbacks.\n * @name dataObject\n * @property {Object} data.instance The Popper.js instance\n * @property {String} data.placement Placement applied to popper\n * @property {String} data.originalPlacement Placement originally defined on init\n * @property {Boolean} data.flipped True if popper has been flipped by flip modifier\n * @property {Boolean} data.hide True if the reference element is out of boundaries, useful to know when to hide the popper\n * @property {HTMLElement} data.arrowElement Node used as arrow by arrow modifier\n * @property {Object} data.styles Any CSS property defined here will be applied to the popper. It expects the JavaScript nomenclature (eg. `marginBottom`)\n * @property {Object} data.arrowStyles Any CSS property defined here will be applied to the popper arrow. It expects the JavaScript nomenclature (eg. `marginBottom`)\n * @property {Object} data.boundaries Offsets of the popper boundaries\n * @property {Object} data.offsets The measurements of popper, reference and arrow elements\n * @property {Object} data.offsets.popper `top`, `left`, `width`, `height` values\n * @property {Object} data.offsets.reference `top`, `left`, `width`, `height` values\n * @property {Object} data.offsets.arrow] `top` and `left` offsets, only one of them will be different from 0\n */\n\n/**\n * Default options provided to Popper.js constructor. \n * These can be overridden using the `options` argument of Popper.js. \n * To override an option, simply pass an object with the same\n * structure of the `options` object, as the 3rd argument. For example:\n * ```\n * new Popper(ref, pop, {\n * modifiers: {\n * preventOverflow: { enabled: false }\n * }\n * })\n * ```\n * @type {Object}\n * @static\n * @memberof Popper\n */\nvar Defaults = {\n /**\n * Popper's placement.\n * @prop {Popper.placements} placement='bottom'\n */\n placement: 'bottom',\n\n /**\n * Set this to true if you want popper to position it self in 'fixed' mode\n * @prop {Boolean} positionFixed=false\n */\n positionFixed: false,\n\n /**\n * Whether events (resize, scroll) are initially enabled.\n * @prop {Boolean} eventsEnabled=true\n */\n eventsEnabled: true,\n\n /**\n * Set to true if you want to automatically remove the popper when\n * you call the `destroy` method.\n * @prop {Boolean} removeOnDestroy=false\n */\n removeOnDestroy: false,\n\n /**\n * Callback called when the popper is created. \n * By default, it is set to no-op. \n * Access Popper.js instance with `data.instance`.\n * @prop {onCreate}\n */\n onCreate: function onCreate() {},\n\n /**\n * Callback called when the popper is updated. This callback is not called\n * on the initialization/creation of the popper, but only on subsequent\n * updates. \n * By default, it is set to no-op. \n * Access Popper.js instance with `data.instance`.\n * @prop {onUpdate}\n */\n onUpdate: function onUpdate() {},\n\n /**\n * List of modifiers used to modify the offsets before they are applied to the popper.\n * They provide most of the functionalities of Popper.js.\n * @prop {modifiers}\n */\n modifiers: modifiers\n};\n\n/**\n * @callback onCreate\n * @param {dataObject} data\n */\n\n/**\n * @callback onUpdate\n * @param {dataObject} data\n */\n\n// Utils\n// Methods\nvar Popper = function () {\n /**\n * Creates a new Popper.js instance.\n * @class Popper\n * @param {Element|referenceObject} reference - The reference element used to position the popper\n * @param {Element} popper - The HTML / XML element used as the popper\n * @param {Object} options - Your custom options to override the ones defined in [Defaults](#defaults)\n * @return {Object} instance - The generated Popper.js instance\n */\n function Popper(reference, popper) {\n var _this = this;\n\n var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};\n classCallCheck(this, Popper);\n\n this.scheduleUpdate = function () {\n return requestAnimationFrame(_this.update);\n };\n\n // make update() debounced, so that it only runs at most once-per-tick\n this.update = debounce(this.update.bind(this));\n\n // with {} we create a new object with the options inside it\n this.options = _extends({}, Popper.Defaults, options);\n\n // init state\n this.state = {\n isDestroyed: false,\n isCreated: false,\n scrollParents: []\n };\n\n // get reference and popper elements (allow jQuery wrappers)\n this.reference = reference && reference.jquery ? reference[0] : reference;\n this.popper = popper && popper.jquery ? popper[0] : popper;\n\n // Deep merge modifiers options\n this.options.modifiers = {};\n Object.keys(_extends({}, Popper.Defaults.modifiers, options.modifiers)).forEach(function (name) {\n _this.options.modifiers[name] = _extends({}, Popper.Defaults.modifiers[name] || {}, options.modifiers ? options.modifiers[name] : {});\n });\n\n // Refactoring modifiers' list (Object => Array)\n this.modifiers = Object.keys(this.options.modifiers).map(function (name) {\n return _extends({\n name: name\n }, _this.options.modifiers[name]);\n })\n // sort the modifiers by order\n .sort(function (a, b) {\n return a.order - b.order;\n });\n\n // modifiers have the ability to execute arbitrary code when Popper.js get inited\n // such code is executed in the same order of its modifier\n // they could add new properties to their options configuration\n // BE AWARE: don't add options to `options.modifiers.name` but to `modifierOptions`!\n this.modifiers.forEach(function (modifierOptions) {\n if (modifierOptions.enabled && isFunction(modifierOptions.onLoad)) {\n modifierOptions.onLoad(_this.reference, _this.popper, _this.options, modifierOptions, _this.state);\n }\n });\n\n // fire the first update to position the popper in the right place\n this.update();\n\n var eventsEnabled = this.options.eventsEnabled;\n if (eventsEnabled) {\n // setup event listeners, they will take care of update the position in specific situations\n this.enableEventListeners();\n }\n\n this.state.eventsEnabled = eventsEnabled;\n }\n\n // We can't use class properties because they don't get listed in the\n // class prototype and break stuff like Sinon stubs\n\n\n createClass(Popper, [{\n key: 'update',\n value: function update$$1() {\n return update.call(this);\n }\n }, {\n key: 'destroy',\n value: function destroy$$1() {\n return destroy.call(this);\n }\n }, {\n key: 'enableEventListeners',\n value: function enableEventListeners$$1() {\n return enableEventListeners.call(this);\n }\n }, {\n key: 'disableEventListeners',\n value: function disableEventListeners$$1() {\n return disableEventListeners.call(this);\n }\n\n /**\n * Schedules an update. It will run on the next UI update available.\n * @method scheduleUpdate\n * @memberof Popper\n */\n\n\n /**\n * Collection of utilities useful when writing custom modifiers.\n * Starting from version 1.7, this method is available only if you\n * include `popper-utils.js` before `popper.js`.\n *\n * **DEPRECATION**: This way to access PopperUtils is deprecated\n * and will be removed in v2! Use the PopperUtils module directly instead.\n * Due to the high instability of the methods contained in Utils, we can't\n * guarantee them to follow semver. Use them at your own risk!\n * @static\n * @private\n * @type {Object}\n * @deprecated since version 1.8\n * @member Utils\n * @memberof Popper\n */\n\n }]);\n return Popper;\n}();\n\n/**\n * The `referenceObject` is an object that provides an interface compatible with Popper.js\n * and lets you use it as replacement of a real DOM node. \n * You can use this method to position a popper relatively to a set of coordinates\n * in case you don't have a DOM node to use as reference.\n *\n * ```\n * new Popper(referenceObject, popperNode);\n * ```\n *\n * NB: This feature isn't supported in Internet Explorer 10.\n * @name referenceObject\n * @property {Function} data.getBoundingClientRect\n * A function that returns a set of coordinates compatible with the native `getBoundingClientRect` method.\n * @property {number} data.clientWidth\n * An ES6 getter that will return the width of the virtual reference element.\n * @property {number} data.clientHeight\n * An ES6 getter that will return the height of the virtual reference element.\n */\n\n\nPopper.Utils = (typeof window !== 'undefined' ? window : global).PopperUtils;\nPopper.placements = placements;\nPopper.Defaults = Defaults;\n\nexport default Popper;\n//# sourceMappingURL=popper.js.map\n"],"sourceRoot":""}