\r\n * @license MIT\r\n */\n(function sortableModule(factory) {\n \"use strict\";\n\n if (typeof define === \"function\" && define.amd) {\n define(factory);\n } else if (typeof module != \"undefined\" && typeof module.exports != \"undefined\") {\n module.exports = factory();\n } else {\n /* jshint sub:true */\n window[\"Sortable\"] = factory();\n }\n})(function sortableFactory() {\n \"use strict\";\n\n if (typeof window === \"undefined\" || !window.document) {\n return function sortableError() {\n throw new Error(\"Sortable.js requires a window with a document\");\n };\n }\n\n var dragEl,\n parentEl,\n ghostEl,\n cloneEl,\n rootEl,\n nextEl,\n lastDownEl,\n scrollEl,\n scrollParentEl,\n scrollCustomFn,\n oldIndex,\n newIndex,\n activeGroup,\n putSortable,\n autoScrolls = [],\n scrolling = false,\n pointerElemChangedInterval,\n lastPointerElemX,\n lastPointerElemY,\n tapEvt,\n touchEvt,\n moved,\n lastTarget,\n lastDirection,\n pastFirstInvertThresh = false,\n isCircumstantialInvert = false,\n forRepaintDummy,\n realDragElRect,\n // dragEl rect after current animation\n\n /** @const */\n R_SPACE = /\\s+/g,\n expando = 'Sortable' + new Date().getTime(),\n win = window,\n document = win.document,\n parseInt = win.parseInt,\n setTimeout = win.setTimeout,\n $ = win.jQuery || win.Zepto,\n Polymer = win.Polymer,\n captureMode = {\n capture: false,\n passive: false\n },\n supportDraggable = ('draggable' in document.createElement('div')),\n supportCssPointerEvents = function (el) {\n // false when IE11\n if (!!navigator.userAgent.match(/(?:Trident.*rv[ :]?11\\.|msie)/i)) {\n return false;\n }\n\n el = document.createElement('x');\n el.style.cssText = 'pointer-events:auto';\n return el.style.pointerEvents === 'auto';\n }(),\n _silent = false,\n _alignedSilent = false,\n abs = Math.abs,\n min = Math.min,\n savedInputChecked = [],\n touchDragOverListeners = [],\n alwaysFalse = function alwaysFalse() {\n return false;\n },\n _detectDirection = function _detectDirection(el, options) {\n var elCSS = _css(el),\n elWidth = parseInt(elCSS.width),\n child1 = _getChild(el, 0, options),\n child2 = _getChild(el, 1, options),\n firstChildCSS = child1 && _css(child1),\n secondChildCSS = child2 && _css(child2),\n firstChildWidth = firstChildCSS && parseInt(firstChildCSS.marginLeft) + parseInt(firstChildCSS.marginRight) + child1.getBoundingClientRect().width,\n secondChildWidth = secondChildCSS && parseInt(secondChildCSS.marginLeft) + parseInt(secondChildCSS.marginRight) + child2.getBoundingClientRect().width;\n\n if (elCSS.display === 'flex') {\n return elCSS.flexDirection === 'column' || elCSS.flexDirection === 'column-reverse' ? 'vertical' : 'horizontal';\n }\n\n return child1 && (firstChildCSS.display === 'block' || firstChildCSS.display === 'grid' || firstChildWidth >= elWidth && elCSS[\"float\"] === 'none' || child2 && elCSS[\"float\"] === 'none' && firstChildWidth + secondChildWidth > elWidth) ? 'vertical' : 'horizontal';\n },\n _isInRowColumn = function _isInRowColumn(x, y, el, axis, options) {\n var targetRect = realDragElRect || dragEl.getBoundingClientRect(),\n targetS1Opp = axis === 'vertical' ? targetRect.left : targetRect.top,\n targetS2Opp = axis === 'vertical' ? targetRect.right : targetRect.bottom,\n mouseOnOppAxis = axis === 'vertical' ? x : y;\n return targetS1Opp < mouseOnOppAxis && mouseOnOppAxis < targetS2Opp;\n },\n _getParentAutoScrollElement = function _getParentAutoScrollElement(el, includeSelf) {\n // skip to window\n if (!el || !el.getBoundingClientRect) return win;\n var elem = el;\n var gotSelf = false;\n\n do {\n // we don't need to get elem css if it isn't even overflowing in the first place (performance)\n if (elem.clientWidth < elem.scrollWidth || elem.clientHeight < elem.scrollHeight) {\n var elemCSS = _css(elem);\n\n if (elem.clientWidth < elem.scrollWidth && (elemCSS.overflowX == 'auto' || elemCSS.overflowX == 'scroll') || elem.clientHeight < elem.scrollHeight && (elemCSS.overflowY == 'auto' || elemCSS.overflowY == 'scroll')) {\n if (!elem || !elem.getBoundingClientRect || elem === document.body) return win;\n if (gotSelf || includeSelf) return elem;\n gotSelf = true;\n }\n }\n /* jshint boss:true */\n\n } while (elem = elem.parentNode);\n\n return win;\n },\n _autoScroll = _throttle(function (\n /**Event*/\n evt,\n /**Object*/\n options,\n /**HTMLElement*/\n rootEl,\n /**Boolean*/\n isFallback) {\n // Bug: https://bugzilla.mozilla.org/show_bug.cgi?id=505521\n if (options.scroll) {\n var _this = rootEl ? rootEl[expando] : window,\n rect,\n css,\n sens = options.scrollSensitivity,\n speed = options.scrollSpeed,\n x = evt.clientX,\n y = evt.clientY,\n winWidth = window.innerWidth,\n winHeight = window.innerHeight,\n vx,\n vy,\n scrollThisInstance = false; // Detect scrollEl\n\n\n if (scrollParentEl !== rootEl) {\n _clearAutoScrolls();\n\n scrollEl = options.scroll;\n scrollCustomFn = options.scrollFn;\n\n if (scrollEl === true) {\n scrollEl = _getParentAutoScrollElement(rootEl, true);\n scrollParentEl = scrollEl;\n }\n }\n\n var layersOut = 0;\n var currentParent = scrollEl;\n\n do {\n var el;\n\n if (currentParent && currentParent !== win) {\n el = currentParent;\n css = _css(el);\n rect = currentParent.getBoundingClientRect();\n vx = el.clientWidth < el.scrollWidth && (css.overflowX == 'auto' || css.overflowX == 'scroll') && (abs(rect.right - x) <= sens) - (abs(rect.left - x) <= sens);\n vy = el.clientHeight < el.scrollHeight && (css.overflowY == 'auto' || css.overflowY == 'scroll') && (abs(rect.bottom - y) <= sens) - (abs(rect.top - y) <= sens);\n } else if (currentParent === win) {\n el = win;\n vx = (winWidth - x <= sens) - (x <= sens);\n vy = (winHeight - y <= sens) - (y <= sens);\n }\n\n if (!autoScrolls[layersOut]) {\n for (var i = 0; i <= layersOut; i++) {\n if (!autoScrolls[i]) {\n autoScrolls[i] = {};\n }\n }\n }\n\n if (autoScrolls[layersOut].vx != vx || autoScrolls[layersOut].vy != vy || autoScrolls[layersOut].el !== el) {\n autoScrolls[layersOut].el = el;\n autoScrolls[layersOut].vx = vx;\n autoScrolls[layersOut].vy = vy;\n clearInterval(autoScrolls[layersOut].pid);\n\n if (el && (vx != 0 || vy != 0)) {\n scrollThisInstance = true;\n /* jshint loopfunc:true */\n\n autoScrolls[layersOut].pid = setInterval(function () {\n // emulate drag over during autoscroll (fallback), emulating native DnD behaviour\n if (isFallback && this.layer === 0) {\n Sortable.active._emulateDragOver(true);\n }\n\n var scrollOffsetY = autoScrolls[this.layer].vy ? autoScrolls[this.layer].vy * speed : 0;\n var scrollOffsetX = autoScrolls[this.layer].vx ? autoScrolls[this.layer].vx * speed : 0;\n\n if ('function' === typeof scrollCustomFn) {\n if (scrollCustomFn.call(_this, scrollOffsetX, scrollOffsetY, evt, touchEvt, autoScrolls[this.layer].el) !== 'continue') {\n return;\n }\n }\n\n if (autoScrolls[this.layer].el === win) {\n win.scrollTo(win.pageXOffset + scrollOffsetX, win.pageYOffset + scrollOffsetY);\n } else {\n autoScrolls[this.layer].el.scrollTop += scrollOffsetY;\n autoScrolls[this.layer].el.scrollLeft += scrollOffsetX;\n }\n }.bind({\n layer: layersOut\n }), 24);\n }\n }\n\n layersOut++;\n } while (options.bubbleScroll && currentParent !== win && (currentParent = _getParentAutoScrollElement(currentParent, false)));\n\n scrolling = scrollThisInstance; // in case another function catches scrolling as false in between when it is not\n }\n }, 30),\n _clearAutoScrolls = function _clearAutoScrolls() {\n autoScrolls.forEach(function (autoScroll) {\n clearInterval(autoScroll.pid);\n });\n autoScrolls = [];\n },\n _prepareGroup = function _prepareGroup(options) {\n function toFn(value, pull) {\n return function (to, from, dragEl, evt) {\n var ret;\n\n if (value == null && pull) {\n ret = true; // default pull value: true (backwards compatibility)\n } else if (value == null || value === false) {\n ret = false;\n } else if (pull && value === 'clone') {\n ret = value;\n } else if (typeof value === 'function') {\n ret = value(to, from, dragEl, evt);\n } else {\n var otherGroup = (pull ? to : from).options.group.name;\n ret = value === true || typeof value === 'string' && value === otherGroup || value.join && value.indexOf(otherGroup) > -1;\n }\n\n return ret || to.options.group.name && from.options.group.name && to.options.group.name === from.options.group.name;\n };\n }\n\n var group = {};\n var originalGroup = options.group;\n\n if (!originalGroup || _typeof(originalGroup) != 'object') {\n originalGroup = {\n name: originalGroup\n };\n }\n\n group.name = originalGroup.name;\n group.checkPull = toFn(originalGroup.pull, true);\n group.checkPut = toFn(originalGroup.put);\n group.revertClone = originalGroup.revertClone;\n options.group = group;\n },\n _checkAlignment = function _checkAlignment(evt) {\n if (!dragEl) return;\n dragEl.parentNode[expando] && dragEl.parentNode[expando]._computeIsAligned(evt);\n };\n /**\r\n * @class Sortable\r\n * @param {HTMLElement} el\r\n * @param {Object} [options]\r\n */\n\n\n function Sortable(el, options) {\n if (!(el && el.nodeType && el.nodeType === 1)) {\n throw 'Sortable: `el` must be HTMLElement, and not ' + {}.toString.call(el);\n }\n\n this.el = el; // root element\n\n this.options = options = _extend({}, options); // Export instance\n\n el[expando] = this; // Default options\n\n var defaults = {\n group: null,\n sort: true,\n disabled: false,\n store: null,\n handle: null,\n scroll: true,\n scrollSensitivity: 30,\n scrollSpeed: 10,\n bubbleScroll: true,\n draggable: /[uo]l/i.test(el.nodeName) ? 'li' : '>*',\n swapThreshold: 1,\n // percentage; 0 <= x <= 1\n invertSwap: false,\n // invert always\n invertedSwapThreshold: null,\n // will be set to same as swapThreshold if default\n ghostClass: 'sortable-ghost',\n chosenClass: 'sortable-chosen',\n dragClass: 'sortable-drag',\n ignore: 'a, img',\n filter: null,\n preventOnFilter: true,\n animation: 0,\n setData: function setData(dataTransfer, dragEl) {\n dataTransfer.setData('Text', dragEl.textContent);\n },\n dropBubble: false,\n dragoverBubble: false,\n dataIdAttr: 'data-id',\n delay: 0,\n touchStartThreshold: parseInt(window.devicePixelRatio, 10) || 1,\n forceFallback: false,\n fallbackClass: 'sortable-fallback',\n fallbackOnBody: false,\n fallbackTolerance: 0,\n fallbackOffset: {\n x: 0,\n y: 0\n },\n supportPointer: Sortable.supportPointer !== false && ('PointerEvent' in window || window.navigator && 'msPointerEnabled' in window.navigator // microsoft\n )\n }; // Set default options\n\n for (var name in defaults) {\n !(name in options) && (options[name] = defaults[name]);\n }\n\n if (!('direction' in options)) {\n options.direction = function () {\n return _detectDirection(el, options);\n };\n }\n\n _prepareGroup(options);\n\n options.invertedSwapThreshold == null && (options.invertedSwapThreshold = options.swapThreshold); // Bind all private methods\n\n for (var fn in this) {\n if (fn.charAt(0) === '_' && typeof this[fn] === 'function') {\n this[fn] = this[fn].bind(this);\n }\n } // Setup drag mode\n\n\n this.nativeDraggable = options.forceFallback ? false : supportDraggable; // Bind events\n\n _on(el, 'mousedown', this._onTapStart);\n\n _on(el, 'touchstart', this._onTapStart);\n\n options.supportPointer && _on(el, 'pointerdown', this._onTapStart);\n\n if (this.nativeDraggable) {\n _on(el, 'dragover', this);\n\n _on(el, 'dragenter', this);\n }\n\n touchDragOverListeners.push(this._onDragOver); // Restore sorting\n\n options.store && options.store.get && this.sort(options.store.get(this) || []);\n }\n\n Sortable.prototype =\n /** @lends Sortable.prototype */\n {\n constructor: Sortable,\n // is mouse aligned with dragEl?\n _isAligned: true,\n _computeIsAligned: function _computeIsAligned(evt, isDragEl) {\n if (_alignedSilent) return;\n if (!dragEl || dragEl.parentNode !== this.el) return;\n\n if (isDragEl !== true && isDragEl !== false) {\n isDragEl = !!_closest(evt.target, null, dragEl, true);\n }\n\n this._isAligned = !scrolling && (isDragEl || this._isAligned && _isInRowColumn(evt.clientX, evt.clientY, this.el, this._getDirection(evt, null), this.options));\n _alignedSilent = true;\n setTimeout(function () {\n _alignedSilent = false;\n }, 30);\n },\n _getDirection: function _getDirection(evt, target) {\n return typeof this.options.direction === 'function' ? this.options.direction.call(this, evt, target, dragEl) : this.options.direction;\n },\n _onTapStart: function _onTapStart(\n /** Event|TouchEvent */\n evt) {\n var _this = this,\n el = this.el,\n options = this.options,\n preventOnFilter = options.preventOnFilter,\n type = evt.type,\n touch = evt.touches && evt.touches[0],\n target = (touch || evt).target,\n originalTarget = evt.target.shadowRoot && (evt.path && evt.path[0] || evt.composedPath && evt.composedPath()[0]) || target,\n filter = options.filter,\n startIndex;\n\n _saveInputCheckedState(el); // Don't trigger start event when an element is been dragged, otherwise the evt.oldindex always wrong when set option.group.\n\n\n if (dragEl) {\n return;\n }\n\n if (/mousedown|pointerdown/.test(type) && evt.button !== 0 || options.disabled) {\n return; // only left button or enabled\n } // cancel dnd if original target is content editable\n\n\n if (originalTarget.isContentEditable) {\n return;\n }\n\n target = _closest(target, options.draggable, el, true);\n\n if (!target) {\n return;\n }\n\n if (lastDownEl === target) {\n // Ignoring duplicate `down`\n return;\n } // Get the index of the dragged element within its parent\n\n\n startIndex = _index(target, options.draggable); // Check filter\n\n if (typeof filter === 'function') {\n if (filter.call(this, evt, target, this)) {\n _dispatchEvent(_this, originalTarget, 'filter', target, el, el, startIndex);\n\n preventOnFilter && evt.cancelable && evt.preventDefault();\n return; // cancel dnd\n }\n } else if (filter) {\n filter = filter.split(',').some(function (criteria) {\n criteria = _closest(originalTarget, criteria.trim(), el, false);\n\n if (criteria) {\n _dispatchEvent(_this, criteria, 'filter', target, el, el, startIndex);\n\n return true;\n }\n });\n\n if (filter) {\n preventOnFilter && evt.cancelable && evt.preventDefault();\n return; // cancel dnd\n }\n }\n\n if (options.handle && !_closest(originalTarget, options.handle, el, false)) {\n return;\n } // Prepare `dragstart`\n\n\n this._prepareDragStart(evt, touch, target, startIndex);\n },\n _handleAutoScroll: function _handleAutoScroll(evt, fallback) {\n if (!dragEl || !this.options.scroll) return;\n\n var x = evt.clientX,\n y = evt.clientY,\n elem = document.elementFromPoint(x, y),\n _this = this; // firefox does not have native autoscroll\n\n\n if (fallback || window.navigator && window.navigator.userAgent.toLowerCase().indexOf('firefox') > -1) {\n _autoScroll(evt, _this.options, elem, true); // Listener for pointer element change\n\n\n var ogElemScroller = _getParentAutoScrollElement(elem, true);\n\n if (scrolling && (!pointerElemChangedInterval || x !== lastPointerElemX || y !== lastPointerElemY)) {\n pointerElemChangedInterval && clearInterval(pointerElemChangedInterval); // Detect for pointer elem change, emulating native DnD behaviour\n\n pointerElemChangedInterval = setInterval(function () {\n if (!dragEl) return; // could also check if scroll direction on newElem changes due to parent autoscrolling\n\n var newElem = _getParentAutoScrollElement(document.elementFromPoint(x, y), true);\n\n if (newElem !== ogElemScroller) {\n ogElemScroller = newElem;\n\n _clearAutoScrolls();\n\n _autoScroll(evt, _this.options, ogElemScroller, true);\n }\n }, 10);\n lastPointerElemX = x;\n lastPointerElemY = y;\n }\n } else {\n // if DnD is enabled (not on firefox), first autoscroll will already scroll, so get parent autoscroll of first autoscroll\n if (!_this.options.bubbleScroll || _getParentAutoScrollElement(elem, true) === window) {\n _clearAutoScrolls();\n\n return;\n }\n\n _autoScroll(evt, _this.options, _getParentAutoScrollElement(elem, false));\n }\n },\n _prepareDragStart: function _prepareDragStart(\n /** Event */\n evt,\n /** Touch */\n touch,\n /** HTMLElement */\n target,\n /** Number */\n startIndex) {\n var _this = this,\n el = _this.el,\n options = _this.options,\n ownerDocument = el.ownerDocument,\n dragStartFn;\n\n if (target && !dragEl && target.parentNode === el) {\n tapEvt = evt;\n rootEl = el;\n dragEl = target;\n parentEl = dragEl.parentNode;\n nextEl = dragEl.nextSibling;\n lastDownEl = target;\n activeGroup = options.group;\n oldIndex = startIndex;\n this._lastX = (touch || evt).clientX;\n this._lastY = (touch || evt).clientY;\n dragEl.style['will-change'] = 'all';\n\n dragStartFn = function dragStartFn() {\n // Delayed drag has been triggered\n // we can re-enable the events: touchmove/mousemove\n _this._disableDelayedDrag(); // Make the element draggable\n\n\n dragEl.draggable = _this.nativeDraggable; // Bind the events: dragstart/dragend\n\n _this._triggerDragStart(evt, touch); // Drag start event\n\n\n _dispatchEvent(_this, rootEl, 'choose', dragEl, rootEl, rootEl, oldIndex); // Chosen item\n\n\n _toggleClass(dragEl, options.chosenClass, true);\n }; // Disable \"draggable\"\n\n\n options.ignore.split(',').forEach(function (criteria) {\n _find(dragEl, criteria.trim(), _disableDraggable);\n });\n\n _on(ownerDocument, 'mouseup', _this._onDrop);\n\n _on(ownerDocument, 'touchend', _this._onDrop);\n\n _on(ownerDocument, 'touchcancel', _this._onDrop);\n\n options.supportPointer && _on(ownerDocument, 'pointercancel', _this._onDrop);\n\n if (options.delay) {\n // If the user moves the pointer or let go the click or touch\n // before the delay has been reached:\n // disable the delayed drag\n _on(ownerDocument, 'mouseup', _this._disableDelayedDrag);\n\n _on(ownerDocument, 'touchend', _this._disableDelayedDrag);\n\n _on(ownerDocument, 'touchcancel', _this._disableDelayedDrag);\n\n _on(ownerDocument, 'mousemove', _this._delayedDragTouchMoveHandler);\n\n _on(ownerDocument, 'touchmove', _this._delayedDragTouchMoveHandler);\n\n options.supportPointer && _on(ownerDocument, 'pointermove', _this._delayedDragTouchMoveHandler);\n _this._dragStartTimer = setTimeout(dragStartFn.bind(_this), options.delay);\n } else {\n dragStartFn();\n }\n }\n },\n _delayedDragTouchMoveHandler: function _delayedDragTouchMoveHandler(\n /** TouchEvent|PointerEvent **/\n e) {\n var touch = e.touches ? e.touches[0] : e;\n\n if (min(abs(touch.clientX - this._lastX), abs(touch.clientY - this._lastY)) >= this.options.touchStartThreshold) {\n this._disableDelayedDrag();\n }\n },\n _disableDelayedDrag: function _disableDelayedDrag() {\n var ownerDocument = this.el.ownerDocument;\n clearTimeout(this._dragStartTimer);\n\n _off(ownerDocument, 'mouseup', this._disableDelayedDrag);\n\n _off(ownerDocument, 'touchend', this._disableDelayedDrag);\n\n _off(ownerDocument, 'touchcancel', this._disableDelayedDrag);\n\n _off(ownerDocument, 'mousemove', this._delayedDragTouchMoveHandler);\n\n _off(ownerDocument, 'touchmove', this._delayedDragTouchMoveHandler);\n\n _off(ownerDocument, 'pointermove', this._delayedDragTouchMoveHandler);\n },\n _triggerDragStart: function _triggerDragStart(\n /** Event */\n evt,\n /** Touch */\n touch) {\n touch = touch || (evt.pointerType == 'touch' ? evt : null);\n\n if (touch) {\n // Touch device support\n tapEvt = {\n target: dragEl,\n clientX: touch.clientX,\n clientY: touch.clientY\n };\n\n this._onDragStart(tapEvt, 'touch');\n } else if (!this.nativeDraggable) {\n this._onDragStart(tapEvt, true);\n } else {\n _on(dragEl, 'dragend', this);\n\n _on(rootEl, 'dragstart', this._onDragStart);\n }\n\n try {\n if (document.selection) {\n // Timeout neccessary for IE9\n _nextTick(function () {\n document.selection.empty();\n });\n } else {\n window.getSelection().removeAllRanges();\n }\n } catch (err) {}\n },\n _dragStarted: function _dragStarted() {\n if (rootEl && dragEl) {\n if (this.nativeDraggable) {\n _on(document, 'dragover', this._handleAutoScroll);\n\n _on(document, 'dragover', _checkAlignment);\n }\n\n var options = this.options; // Apply effect\n\n _toggleClass(dragEl, options.dragClass, false);\n\n _toggleClass(dragEl, options.ghostClass, true);\n\n _css(dragEl, 'transform', '');\n\n Sortable.active = this;\n this._isAligned = true; // Drag start event\n\n _dispatchEvent(this, rootEl, 'start', dragEl, rootEl, rootEl, oldIndex);\n } else {\n this._nulling();\n }\n },\n _emulateDragOver: function _emulateDragOver(bypassLastTouchCheck) {\n if (touchEvt) {\n if (this._lastX === touchEvt.clientX && this._lastY === touchEvt.clientY && !bypassLastTouchCheck) {\n return;\n }\n\n this._lastX = touchEvt.clientX;\n this._lastY = touchEvt.clientY;\n\n if (!supportCssPointerEvents) {\n _css(ghostEl, 'display', 'none');\n }\n\n var target = document.elementFromPoint(touchEvt.clientX, touchEvt.clientY);\n var parent = target;\n var isDragEl = !!_closest(target, null, dragEl, true);\n\n while (target && target.shadowRoot) {\n target = target.shadowRoot.elementFromPoint(touchEvt.clientX, touchEvt.clientY);\n parent = target;\n }\n\n if (parent) {\n do {\n if (parent[expando]) {\n var i = touchDragOverListeners.length;\n\n while (i--) {\n touchDragOverListeners[i]({\n clientX: touchEvt.clientX,\n clientY: touchEvt.clientY,\n target: target,\n rootEl: parent\n });\n }\n\n if (!this.options.dragoverBubble) {\n break;\n }\n }\n\n target = parent; // store last element\n }\n /* jshint boss:true */\n while (parent = parent.parentNode);\n }\n\n dragEl.parentNode[expando]._computeIsAligned(touchEvt, isDragEl);\n\n if (!supportCssPointerEvents) {\n _css(ghostEl, 'display', '');\n }\n }\n },\n _onTouchMove: function _onTouchMove(\n /**TouchEvent*/\n evt) {\n if (tapEvt) {\n var options = this.options,\n fallbackTolerance = options.fallbackTolerance,\n fallbackOffset = options.fallbackOffset,\n touch = evt.touches ? evt.touches[0] : evt,\n dx = touch.clientX - tapEvt.clientX + fallbackOffset.x,\n dy = touch.clientY - tapEvt.clientY + fallbackOffset.y,\n translate3d = evt.touches ? 'translate3d(' + dx + 'px,' + dy + 'px,0)' : 'translate(' + dx + 'px,' + dy + 'px)'; // prevent duplicate event firing\n\n if (this.options.supportPointer && evt.type === 'touchmove') return; // only set the status to dragging, when we are actually dragging\n\n if (!Sortable.active) {\n if (fallbackTolerance && min(abs(touch.clientX - this._lastX), abs(touch.clientY - this._lastY)) < fallbackTolerance) {\n return;\n }\n\n this._dragStarted();\n } // as well as creating the ghost element on the document body\n\n\n this._appendGhost();\n\n this._handleAutoScroll(touch, true);\n\n moved = true;\n touchEvt = touch;\n\n _css(ghostEl, 'webkitTransform', translate3d);\n\n _css(ghostEl, 'mozTransform', translate3d);\n\n _css(ghostEl, 'msTransform', translate3d);\n\n _css(ghostEl, 'transform', translate3d);\n\n evt.cancelable && evt.preventDefault();\n }\n },\n _appendGhost: function _appendGhost() {\n if (!ghostEl) {\n var rect = dragEl.getBoundingClientRect(),\n css = _css(dragEl),\n options = this.options,\n ghostRect;\n\n ghostEl = dragEl.cloneNode(true);\n\n _toggleClass(ghostEl, options.ghostClass, false);\n\n _toggleClass(ghostEl, options.fallbackClass, true);\n\n _toggleClass(ghostEl, options.dragClass, true);\n\n _css(ghostEl, 'top', rect.top - parseInt(css.marginTop, 10));\n\n _css(ghostEl, 'left', rect.left - parseInt(css.marginLeft, 10));\n\n _css(ghostEl, 'width', rect.width);\n\n _css(ghostEl, 'height', rect.height);\n\n _css(ghostEl, 'opacity', '0.8');\n\n _css(ghostEl, 'position', 'fixed');\n\n _css(ghostEl, 'zIndex', '100000');\n\n _css(ghostEl, 'pointerEvents', 'none');\n\n options.fallbackOnBody && document.body.appendChild(ghostEl) || rootEl.appendChild(ghostEl); // Fixing dimensions.\n\n ghostRect = ghostEl.getBoundingClientRect();\n\n _css(ghostEl, 'width', rect.width * 2 - ghostRect.width);\n\n _css(ghostEl, 'height', rect.height * 2 - ghostRect.height);\n }\n },\n _onDragStart: function _onDragStart(\n /**Event*/\n evt,\n /**boolean*/\n useFallback) {\n var _this = this;\n\n var dataTransfer = evt.dataTransfer;\n var options = _this.options;\n\n _this._offUpEvents();\n\n if (activeGroup.checkPull(_this, _this, dragEl, evt)) {\n cloneEl = _clone(dragEl);\n cloneEl.draggable = false;\n cloneEl.style['will-change'] = '';\n\n this._hideClone();\n\n _toggleClass(cloneEl, _this.options.chosenClass, false); // #1143: IFrame support workaround\n\n\n _this._cloneId = _nextTick(function () {\n rootEl.insertBefore(cloneEl, dragEl);\n\n _dispatchEvent(_this, rootEl, 'clone', dragEl);\n });\n }\n\n _toggleClass(dragEl, options.dragClass, true);\n\n if (useFallback) {\n if (useFallback === 'touch') {\n // Fixed #973:\n _on(document, 'touchmove', _preventScroll); // Bind touch events\n\n\n _on(document, 'touchmove', _this._onTouchMove);\n\n _on(document, 'touchend', _this._onDrop);\n\n _on(document, 'touchcancel', _this._onDrop);\n\n if (options.supportPointer) {\n _on(document, 'pointermove', _this._onTouchMove);\n\n _on(document, 'pointerup', _this._onDrop);\n }\n } else {\n // Old brwoser\n _on(document, 'mousemove', _this._onTouchMove);\n\n _on(document, 'mouseup', _this._onDrop);\n }\n\n _this._loopId = setInterval(_this._emulateDragOver, 50);\n\n _toggleClass(dragEl, options.dragClass, false);\n } else {\n if (dataTransfer) {\n dataTransfer.effectAllowed = 'move';\n options.setData && options.setData.call(_this, dataTransfer, dragEl);\n }\n\n _on(document, 'drop', _this); // #1276 fix:\n\n\n _css(dragEl, 'transform', 'translateZ(0)');\n\n _this._dragStartId = _nextTick(_this._dragStarted);\n }\n\n _on(document, 'selectstart', _this);\n },\n _onDragOver: function _onDragOver(\n /**Event*/\n evt) {\n var el = this.el,\n target,\n dragRect,\n targetRect,\n revert,\n options = this.options,\n group = options.group,\n activeSortable = Sortable.active,\n isOwner = activeGroup === group,\n isMovingBetweenSortable = false,\n canSort = options.sort;\n if (evt.rootEl !== void 0 && evt.rootEl !== this.el) return; // touch fallback\n // no bubbling and not fallback\n\n if (!options.dragoverBubble && !evt.rootEl) {\n this._handleAutoScroll(evt);\n\n dragEl.parentNode[expando]._computeIsAligned(evt);\n }\n\n if (evt.preventDefault !== void 0) {\n evt.cancelable && evt.preventDefault();\n !options.dragoverBubble && evt.stopPropagation();\n }\n\n moved = true;\n target = _closest(evt.target, options.draggable, el, true);\n\n if (dragEl.animated && target === dragEl || target.animated || _silent) {\n return;\n }\n\n if (target !== lastTarget) {\n isCircumstantialInvert = false;\n pastFirstInvertThresh = false;\n lastTarget = null;\n }\n\n if (activeSortable && !options.disabled && (isOwner ? canSort || (revert = !rootEl.contains(dragEl)) // Reverting item into the original list\n : putSortable === this || (this.lastPutMode = activeGroup.checkPull(this, activeSortable, dragEl, evt)) && group.checkPut(this, activeSortable, dragEl, evt))) {\n var direction;\n\n var axis = this._getDirection(evt, target);\n\n dragRect = dragEl.getBoundingClientRect();\n\n if (putSortable !== this && this !== Sortable.active) {\n putSortable = this;\n isMovingBetweenSortable = true;\n } else if (this === Sortable.active) {\n isMovingBetweenSortable = false;\n putSortable = null;\n }\n\n if (revert) {\n this._hideClone();\n\n parentEl = rootEl; // actualization\n\n if (cloneEl || nextEl) {\n rootEl.insertBefore(dragEl, cloneEl || nextEl);\n } else if (!canSort) {\n rootEl.appendChild(dragEl);\n }\n\n return;\n }\n\n if (el.children.length === 0 || el.children[0] === ghostEl || el === evt.target && _ghostIsLast(evt, axis, el)) {\n //assign target only if condition is true\n if (el.children.length !== 0 && el.children[0] !== ghostEl && el === evt.target) {\n target = _lastChild(el);\n }\n\n if (target) {\n if (target.animated) {\n return;\n }\n\n targetRect = target.getBoundingClientRect();\n }\n\n if (isOwner) {\n activeSortable._hideClone();\n } else {\n activeSortable._showClone(this);\n }\n\n if (_onMove(rootEl, el, dragEl, dragRect, target, targetRect, evt, !!target) !== false) {\n if (!dragEl.contains(el)) {\n el.appendChild(dragEl);\n parentEl = el; // actualization\n\n this._isAligned = true; // must be for _ghostIsLast to pass\n\n realDragElRect = null;\n }\n\n this._animate(dragRect, dragEl);\n\n target && this._animate(targetRect, target);\n }\n } else if (target && !target.animated && target !== dragEl && target.parentNode[expando] !== void 0 && target !== el) {\n isCircumstantialInvert = isCircumstantialInvert || options.invertSwap || dragEl.parentNode !== el || !this._isAligned;\n direction = _getSwapDirection(evt, target, axis, options.swapThreshold, options.invertedSwapThreshold, isCircumstantialInvert, lastTarget === target);\n if (direction === 0) return;\n realDragElRect = null;\n this._isAligned = true;\n\n if (!lastTarget || lastTarget !== target && (!target || !target.animated)) {\n pastFirstInvertThresh = false;\n lastTarget = target;\n }\n\n lastDirection = direction;\n targetRect = target.getBoundingClientRect();\n var nextSibling = target.nextElementSibling,\n after = false;\n after = direction === 1;\n\n var moveVector = _onMove(rootEl, el, dragEl, dragRect, target, targetRect, evt, after);\n\n if (moveVector !== false) {\n if (moveVector === 1 || moveVector === -1) {\n after = moveVector === 1;\n }\n\n _silent = true;\n setTimeout(_unsilent, 30);\n\n if (isOwner) {\n activeSortable._hideClone();\n } else {\n activeSortable._showClone(this);\n }\n\n if (!dragEl.contains(el)) {\n if (after && !nextSibling) {\n el.appendChild(dragEl);\n } else {\n target.parentNode.insertBefore(dragEl, after ? nextSibling : target);\n }\n }\n\n parentEl = dragEl.parentNode; // actualization\n\n this._animate(dragRect, dragEl);\n\n this._animate(targetRect, target);\n }\n }\n }\n },\n _animate: function _animate(prevRect, target) {\n var ms = this.options.animation;\n\n if (ms) {\n var currentRect = target.getBoundingClientRect();\n\n if (target === dragEl) {\n realDragElRect = currentRect;\n }\n\n if (prevRect.nodeType === 1) {\n prevRect = prevRect.getBoundingClientRect();\n } // Check if actually moving position\n\n\n if (prevRect.left + prevRect.width / 2 === currentRect.left + currentRect.width / 2 && prevRect.top + prevRect.height / 2 === currentRect.top + currentRect.height / 2) return;\n\n _css(target, 'transition', 'none');\n\n _css(target, 'transform', 'translate3d(' + (prevRect.left - currentRect.left) + 'px,' + (prevRect.top - currentRect.top) + 'px,0)');\n\n forRepaintDummy = target.offsetWidth; // repaint\n\n _css(target, 'transition', 'all ' + ms + 'ms');\n\n _css(target, 'transform', 'translate3d(0,0,0)');\n\n clearTimeout(target.animated);\n target.animated = setTimeout(function () {\n _css(target, 'transition', '');\n\n _css(target, 'transform', '');\n\n target.animated = false;\n }, ms);\n }\n },\n _offUpEvents: function _offUpEvents() {\n var ownerDocument = this.el.ownerDocument;\n\n _off(document, 'touchmove', _preventScroll);\n\n _off(document, 'touchmove', this._onTouchMove);\n\n _off(document, 'pointermove', this._onTouchMove);\n\n _off(ownerDocument, 'mouseup', this._onDrop);\n\n _off(ownerDocument, 'touchend', this._onDrop);\n\n _off(ownerDocument, 'pointerup', this._onDrop);\n\n _off(ownerDocument, 'touchcancel', this._onDrop);\n\n _off(ownerDocument, 'pointercancel', this._onDrop);\n\n _off(document, 'selectstart', this);\n },\n _onDrop: function _onDrop(\n /**Event*/\n evt) {\n var el = this.el,\n options = this.options;\n scrolling = false;\n isCircumstantialInvert = false;\n pastFirstInvertThresh = false;\n clearInterval(this._loopId);\n clearInterval(pointerElemChangedInterval);\n\n _clearAutoScrolls();\n\n _cancelThrottle();\n\n clearTimeout(this._dragStartTimer);\n\n _cancelNextTick(this._cloneId);\n\n _cancelNextTick(this._dragStartId); // Unbind events\n\n\n _off(document, 'mousemove', this._onTouchMove);\n\n if (this.nativeDraggable) {\n _off(document, 'drop', this);\n\n _off(el, 'dragstart', this._onDragStart);\n\n _off(document, 'dragover', this._handleAutoScroll);\n\n _off(document, 'dragover', _checkAlignment);\n }\n\n this._offUpEvents();\n\n if (evt) {\n if (moved) {\n evt.cancelable && evt.preventDefault();\n !options.dropBubble && evt.stopPropagation();\n }\n\n ghostEl && ghostEl.parentNode && ghostEl.parentNode.removeChild(ghostEl);\n\n if (rootEl === parentEl || putSortable && putSortable.lastPutMode !== 'clone') {\n // Remove clone\n cloneEl && cloneEl.parentNode && cloneEl.parentNode.removeChild(cloneEl);\n }\n\n if (dragEl) {\n if (this.nativeDraggable) {\n _off(dragEl, 'dragend', this);\n }\n\n _disableDraggable(dragEl);\n\n dragEl.style['will-change'] = ''; // Remove class's\n\n _toggleClass(dragEl, this.options.ghostClass, false);\n\n _toggleClass(dragEl, this.options.chosenClass, false); // Drag stop event\n\n\n _dispatchEvent(this, rootEl, 'unchoose', dragEl, parentEl, rootEl, oldIndex, null, evt);\n\n if (rootEl !== parentEl) {\n newIndex = _index(dragEl, options.draggable);\n\n if (newIndex >= 0) {\n // Add event\n _dispatchEvent(null, parentEl, 'add', dragEl, parentEl, rootEl, oldIndex, newIndex, evt); // Remove event\n\n\n _dispatchEvent(this, rootEl, 'remove', dragEl, parentEl, rootEl, oldIndex, newIndex, evt); // drag from one list and drop into another\n\n\n _dispatchEvent(null, parentEl, 'sort', dragEl, parentEl, rootEl, oldIndex, newIndex, evt);\n\n _dispatchEvent(this, rootEl, 'sort', dragEl, parentEl, rootEl, oldIndex, newIndex, evt);\n }\n\n putSortable && putSortable.save();\n } else {\n if (dragEl.nextSibling !== nextEl) {\n // Get the index of the dragged element within its parent\n newIndex = _index(dragEl, options.draggable);\n\n if (newIndex >= 0) {\n // drag & drop within the same list\n _dispatchEvent(this, rootEl, 'update', dragEl, parentEl, rootEl, oldIndex, newIndex, evt);\n\n _dispatchEvent(this, rootEl, 'sort', dragEl, parentEl, rootEl, oldIndex, newIndex, evt);\n }\n }\n }\n\n if (Sortable.active) {\n /* jshint eqnull:true */\n if (newIndex == null || newIndex === -1) {\n newIndex = oldIndex;\n }\n\n _dispatchEvent(this, rootEl, 'end', dragEl, parentEl, rootEl, oldIndex, newIndex, evt); // Save sorting\n\n\n this.save();\n }\n }\n }\n\n this._nulling();\n },\n _nulling: function _nulling() {\n rootEl = dragEl = parentEl = ghostEl = nextEl = cloneEl = lastDownEl = scrollEl = scrollParentEl = autoScrolls.length = pointerElemChangedInterval = lastPointerElemX = lastPointerElemY = tapEvt = touchEvt = moved = newIndex = oldIndex = lastTarget = lastDirection = forRepaintDummy = realDragElRect = putSortable = activeGroup = Sortable.active = null;\n savedInputChecked.forEach(function (el) {\n el.checked = true;\n });\n savedInputChecked.length = 0;\n },\n handleEvent: function handleEvent(\n /**Event*/\n evt) {\n switch (evt.type) {\n case 'drop':\n case 'dragend':\n this._onDrop(evt);\n\n break;\n\n case 'dragenter':\n case 'dragover':\n if (dragEl) {\n this._onDragOver(evt);\n\n _globalDragOver(evt);\n }\n\n break;\n\n case 'selectstart':\n evt.preventDefault();\n break;\n }\n },\n\n /**\r\n * Serializes the item into an array of string.\r\n * @returns {String[]}\r\n */\n toArray: function toArray() {\n var order = [],\n el,\n children = this.el.children,\n i = 0,\n n = children.length,\n options = this.options;\n\n for (; i < n; i++) {\n el = children[i];\n\n if (_closest(el, options.draggable, this.el, false)) {\n order.push(el.getAttribute(options.dataIdAttr) || _generateId(el));\n }\n }\n\n return order;\n },\n\n /**\r\n * Sorts the elements according to the array.\r\n * @param {String[]} order order of the items\r\n */\n sort: function sort(order) {\n var items = {},\n rootEl = this.el;\n this.toArray().forEach(function (id, i) {\n var el = rootEl.children[i];\n\n if (_closest(el, this.options.draggable, rootEl, false)) {\n items[id] = el;\n }\n }, this);\n order.forEach(function (id) {\n if (items[id]) {\n rootEl.removeChild(items[id]);\n rootEl.appendChild(items[id]);\n }\n });\n },\n\n /**\r\n * Save the current sorting\r\n */\n save: function save() {\n var store = this.options.store;\n store && store.set && store.set(this);\n },\n\n /**\r\n * For each element in the set, get the first element that matches the selector by testing the element itself and traversing up through its ancestors in the DOM tree.\r\n * @param {HTMLElement} el\r\n * @param {String} [selector] default: `options.draggable`\r\n * @returns {HTMLElement|null}\r\n */\n closest: function closest(el, selector) {\n return _closest(el, selector || this.options.draggable, this.el, false);\n },\n\n /**\r\n * Set/get option\r\n * @param {string} name\r\n * @param {*} [value]\r\n * @returns {*}\r\n */\n option: function option(name, value) {\n var options = this.options;\n\n if (value === void 0) {\n return options[name];\n } else {\n options[name] = value;\n\n if (name === 'group') {\n _prepareGroup(options);\n }\n }\n },\n\n /**\r\n * Destroy\r\n */\n destroy: function destroy() {\n var el = this.el;\n el[expando] = null;\n\n _off(el, 'mousedown', this._onTapStart);\n\n _off(el, 'touchstart', this._onTapStart);\n\n _off(el, 'pointerdown', this._onTapStart);\n\n if (this.nativeDraggable) {\n _off(el, 'dragover', this);\n\n _off(el, 'dragenter', this);\n } // Remove draggable attributes\n\n\n Array.prototype.forEach.call(el.querySelectorAll('[draggable]'), function (el) {\n el.removeAttribute('draggable');\n });\n touchDragOverListeners.splice(touchDragOverListeners.indexOf(this._onDragOver), 1);\n\n this._onDrop();\n\n this.el = el = null;\n },\n _hideClone: function _hideClone() {\n if (!cloneEl.cloneHidden) {\n _css(cloneEl, 'display', 'none');\n\n cloneEl.cloneHidden = true;\n }\n },\n _showClone: function _showClone(putSortable) {\n if (putSortable.lastPutMode !== 'clone') {\n this._hideClone();\n\n return;\n }\n\n if (cloneEl.cloneHidden) {\n // show clone at dragEl or original position\n if (rootEl.contains(dragEl) && !this.options.group.revertClone) {\n rootEl.insertBefore(cloneEl, dragEl);\n } else if (nextEl) {\n rootEl.insertBefore(cloneEl, nextEl);\n } else {\n rootEl.appendChild(cloneEl);\n }\n\n if (this.options.group.revertClone) {\n this._animate(dragEl, cloneEl);\n }\n\n _css(cloneEl, 'display', '');\n\n cloneEl.cloneHidden = false;\n }\n }\n };\n\n function _closest(\n /**HTMLElement*/\n el,\n /**String*/\n selector,\n /**HTMLElement*/\n ctx, includeCTX) {\n if (el) {\n ctx = ctx || document;\n\n do {\n if (selector === '>*' && el.parentNode === ctx || _matches(el, selector) || includeCTX && el === ctx) {\n return el;\n }\n\n if (el === ctx) break;\n /* jshint boss:true */\n } while (el = _getParentOrHost(el));\n }\n\n return null;\n }\n\n function _getParentOrHost(el) {\n return el.host && el !== document && el.host.nodeType ? el.host : el.parentNode;\n }\n\n function _globalDragOver(\n /**Event*/\n evt) {\n if (evt.dataTransfer) {\n evt.dataTransfer.dropEffect = 'move';\n }\n\n evt.cancelable && evt.preventDefault();\n }\n\n function _on(el, event, fn) {\n el.addEventListener(event, fn, captureMode);\n }\n\n function _off(el, event, fn) {\n el.removeEventListener(event, fn, captureMode);\n }\n\n function _toggleClass(el, name, state) {\n if (el && name) {\n if (el.classList) {\n el.classList[state ? 'add' : 'remove'](name);\n } else {\n var className = (' ' + el.className + ' ').replace(R_SPACE, ' ').replace(' ' + name + ' ', ' ');\n el.className = (className + (state ? ' ' + name : '')).replace(R_SPACE, ' ');\n }\n }\n }\n\n function _css(el, prop, val) {\n var style = el && el.style;\n\n if (style) {\n if (val === void 0) {\n if (document.defaultView && document.defaultView.getComputedStyle) {\n val = document.defaultView.getComputedStyle(el, '');\n } else if (el.currentStyle) {\n val = el.currentStyle;\n }\n\n return prop === void 0 ? val : val[prop];\n } else {\n if (!(prop in style)) {\n prop = '-webkit-' + prop;\n }\n\n style[prop] = val + (typeof val === 'string' ? '' : 'px');\n }\n }\n }\n\n function _find(ctx, tagName, iterator) {\n if (ctx) {\n var list = ctx.getElementsByTagName(tagName),\n i = 0,\n n = list.length;\n\n if (iterator) {\n for (; i < n; i++) {\n iterator(list[i], i);\n }\n }\n\n return list;\n }\n\n return [];\n }\n\n function _dispatchEvent(sortable, rootEl, name, targetEl, toEl, fromEl, startIndex, newIndex, originalEvt) {\n sortable = sortable || rootEl[expando];\n var evt,\n options = sortable.options,\n onName = 'on' + name.charAt(0).toUpperCase() + name.substr(1); // Support for new CustomEvent feature\n\n if (window.CustomEvent) {\n evt = new CustomEvent(name, {\n bubbles: true,\n cancelable: true\n });\n } else {\n evt = document.createEvent('Event');\n evt.initEvent(name, true, true);\n }\n\n evt.to = toEl || rootEl;\n evt.from = fromEl || rootEl;\n evt.item = targetEl || rootEl;\n evt.clone = cloneEl;\n evt.oldIndex = startIndex;\n evt.newIndex = newIndex;\n evt.originalEvent = originalEvt;\n rootEl.dispatchEvent(evt);\n\n if (options[onName]) {\n options[onName].call(sortable, evt);\n }\n }\n\n function _onMove(fromEl, toEl, dragEl, dragRect, targetEl, targetRect, originalEvt, willInsertAfter) {\n var evt,\n sortable = fromEl[expando],\n onMoveFn = sortable.options.onMove,\n retVal; // Support for new CustomEvent feature\n\n if (window.CustomEvent) {\n evt = new CustomEvent('move', {\n bubbles: true,\n cancelable: true\n });\n } else {\n evt = document.createEvent('Event');\n evt.initEvent('move', true, true);\n }\n\n evt.to = toEl;\n evt.from = fromEl;\n evt.dragged = dragEl;\n evt.draggedRect = dragRect;\n evt.related = targetEl || toEl;\n evt.relatedRect = targetRect || toEl.getBoundingClientRect();\n evt.willInsertAfter = willInsertAfter;\n evt.originalEvent = originalEvt;\n fromEl.dispatchEvent(evt);\n\n if (onMoveFn) {\n retVal = onMoveFn.call(sortable, evt, originalEvt);\n }\n\n return retVal;\n }\n\n function _disableDraggable(el) {\n el.draggable = false;\n }\n\n function _unsilent() {\n _silent = false;\n }\n\n function _getChild(el, childNum, options) {\n var currentChild = 0,\n i = 0,\n children = el.children;\n\n while (i < children.length) {\n if (children[i].style.display !== 'none' && children[i] !== ghostEl && children[i] !== dragEl && _closest(children[i], options.draggable, el, false)) {\n if (currentChild === childNum) {\n return children[i];\n }\n\n currentChild++;\n }\n\n i++;\n }\n\n return null;\n }\n\n function _lastChild(el) {\n var last = el.lastElementChild;\n\n if (last === ghostEl) {\n last = el.children[el.childElementCount - 2];\n }\n\n return last || null;\n }\n\n function _ghostIsLast(evt, axis, el) {\n var elRect = _lastChild(el).getBoundingClientRect(),\n mouseOnAxis = axis === 'vertical' ? evt.clientY : evt.clientX,\n mouseOnOppAxis = axis === 'vertical' ? evt.clientX : evt.clientY,\n targetS2 = axis === 'vertical' ? elRect.bottom : elRect.right,\n targetS1Opp = axis === 'vertical' ? elRect.left : elRect.top,\n targetS2Opp = axis === 'vertical' ? elRect.right : elRect.bottom;\n\n return mouseOnOppAxis > targetS1Opp && mouseOnOppAxis < targetS2Opp && mouseOnAxis > targetS2;\n }\n\n function _getSwapDirection(evt, target, axis, swapThreshold, invertedSwapThreshold, invertSwap, inside) {\n var targetRect = target.getBoundingClientRect(),\n mouseOnAxis = axis === 'vertical' ? evt.clientY : evt.clientX,\n targetLength = axis === 'vertical' ? targetRect.height : targetRect.width,\n targetS1 = axis === 'vertical' ? targetRect.top : targetRect.left,\n targetS2 = axis === 'vertical' ? targetRect.bottom : targetRect.right,\n dragRect = dragEl.getBoundingClientRect(),\n dragLength = axis === 'vertical' ? dragRect.height : dragRect.width,\n invert = false;\n\n var dragStyle = _css(dragEl);\n\n dragLength += parseInt(dragStyle.marginLeft) + parseInt(dragStyle.marginRight);\n\n if (!invertSwap) {\n // Never invert or create dragEl shadow when width causes mouse to move past the end of regular swapThreshold\n if (inside && dragLength < targetLength * swapThreshold) {\n // multiplied only by swapThreshold because mouse will already be inside target by (1 - threshold) * targetLength / 2\n // check if past first invert threshold on side opposite of lastDirection\n if (!pastFirstInvertThresh && (lastDirection === 1 ? mouseOnAxis > targetS1 + targetLength * invertedSwapThreshold / 2 : mouseOnAxis < targetS2 - targetLength * invertedSwapThreshold / 2)) {\n // past first invert threshold, do not restrict inverted threshold to dragEl shadow\n pastFirstInvertThresh = true;\n }\n\n if (!pastFirstInvertThresh) {\n var dragS1 = axis === 'vertical' ? dragRect.top : dragRect.left,\n dragS2 = axis === 'vertical' ? dragRect.bottom : dragRect.right; // dragEl shadow\n\n if (lastDirection === 1 ? mouseOnAxis < targetS1 + dragLength // over dragEl shadow\n : mouseOnAxis > targetS2 - dragLength) {\n return lastDirection * -1;\n }\n } else {\n invert = true;\n }\n } else {\n // Regular\n if (mouseOnAxis > targetS1 + targetLength * (1 - swapThreshold) / 2 && mouseOnAxis < targetS2 - targetLength * (1 - swapThreshold) / 2) {\n return mouseOnAxis > targetS1 + targetLength / 2 ? -1 : 1;\n }\n }\n }\n\n invert = invert || invertSwap;\n\n if (invert) {\n // Invert of regular\n if (mouseOnAxis < targetS1 + targetLength * invertedSwapThreshold / 2 || mouseOnAxis > targetS2 - targetLength * invertedSwapThreshold / 2) {\n return mouseOnAxis > targetS1 + targetLength / 2 ? 1 : -1;\n }\n }\n\n return 0;\n }\n /**\r\n * Generate id\r\n * @param {HTMLElement} el\r\n * @returns {String}\r\n * @private\r\n */\n\n\n function _generateId(el) {\n var str = el.tagName + el.className + el.src + el.href + el.textContent,\n i = str.length,\n sum = 0;\n\n while (i--) {\n sum += str.charCodeAt(i);\n }\n\n return sum.toString(36);\n }\n /**\r\n * Returns the index of an element within its parent for a selected set of\r\n * elements\r\n * @param {HTMLElement} el\r\n * @param {selector} selector\r\n * @return {number}\r\n */\n\n\n function _index(el, selector) {\n var index = 0;\n\n if (!el || !el.parentNode) {\n return -1;\n }\n\n while (el && (el = el.previousElementSibling)) {\n if (el.nodeName.toUpperCase() !== 'TEMPLATE' && (selector === '>*' || _matches(el, selector))) {\n index++;\n }\n }\n\n return index;\n }\n\n function _matches(\n /**HTMLElement*/\n el,\n /**String*/\n selector) {\n if (el) {\n try {\n if (el.matches) {\n return el.matches(selector);\n } else if (el.msMatchesSelector) {\n return el.msMatchesSelector(selector);\n }\n } catch (_) {\n return false;\n }\n }\n\n return false;\n }\n\n var _throttleTimeout;\n\n function _throttle(callback, ms) {\n return function () {\n if (!_throttleTimeout) {\n var args = arguments,\n _this = this;\n\n _throttleTimeout = setTimeout(function () {\n if (args.length === 1) {\n callback.call(_this, args[0]);\n } else {\n callback.apply(_this, args);\n }\n\n _throttleTimeout = void 0;\n }, ms);\n }\n };\n }\n\n function _cancelThrottle() {\n clearTimeout(_throttleTimeout);\n _throttleTimeout = void 0;\n }\n\n function _extend(dst, src) {\n if (dst && src) {\n for (var key in src) {\n if (src.hasOwnProperty(key)) {\n dst[key] = src[key];\n }\n }\n }\n\n return dst;\n }\n\n function _clone(el) {\n if (Polymer && Polymer.dom) {\n return Polymer.dom(el).cloneNode(true);\n } else if ($) {\n return $(el).clone(true)[0];\n } else {\n return el.cloneNode(true);\n }\n }\n\n function _saveInputCheckedState(root) {\n savedInputChecked.length = 0;\n var inputs = root.getElementsByTagName('input');\n var idx = inputs.length;\n\n while (idx--) {\n var el = inputs[idx];\n el.checked && savedInputChecked.push(el);\n }\n }\n\n function _nextTick(fn) {\n return setTimeout(fn, 0);\n }\n\n function _cancelNextTick(id) {\n return clearTimeout(id);\n }\n\n function _preventScroll(evt) {\n if (Sortable.active && evt.cancelable) {\n evt.preventDefault();\n }\n } // Export utils\n\n\n Sortable.utils = {\n on: _on,\n off: _off,\n css: _css,\n find: _find,\n is: function is(el, selector) {\n return !!_closest(el, selector, el, false);\n },\n extend: _extend,\n throttle: _throttle,\n closest: _closest,\n toggleClass: _toggleClass,\n clone: _clone,\n index: _index,\n nextTick: _nextTick,\n cancelNextTick: _cancelNextTick,\n detectDirection: _detectDirection,\n getChild: _getChild\n };\n /**\r\n * Create sortable instance\r\n * @param {HTMLElement} el\r\n * @param {Object} [options]\r\n */\n\n Sortable.create = function (el, options) {\n return new Sortable(el, options);\n }; // Export\n\n\n Sortable.version = '1.8.0-rc1';\n return Sortable;\n});","module.exports = function (module) {\n if (!module.webpackPolyfill) {\n module.deprecate = function () {};\n\n module.paths = []; // module.parent = undefined by default\n\n if (!module.children) module.children = [];\n Object.defineProperty(module, \"loaded\", {\n enumerable: true,\n get: function get() {\n return module.l;\n }\n });\n Object.defineProperty(module, \"id\", {\n enumerable: true,\n get: function get() {\n return module.i;\n }\n });\n module.webpackPolyfill = 1;\n }\n\n return module;\n};","var map = {\n\t\"./card_list_toggle_controller.js\": 7,\n\t\"./conditional_questions_controller.js\": 8,\n\t\"./datepicker_controller.js\": 9,\n\t\"./download_controller.js\": 10,\n\t\"./scroll_controller.js\": 11,\n\t\"./select2_controller.js\": 12,\n\t\"./sortable_controller.js\": 13,\n\t\"./toggle_visibility_controller.js\": 14\n};\n\n\nfunction webpackContext(req) {\n\tvar id = webpackContextResolve(req);\n\treturn __webpack_require__(id);\n}\nfunction webpackContextResolve(req) {\n\tif(!__webpack_require__.o(map, req)) {\n\t\tvar e = new Error(\"Cannot find module '\" + req + \"'\");\n\t\te.code = 'MODULE_NOT_FOUND';\n\t\tthrow e;\n\t}\n\treturn map[req];\n}\nwebpackContext.keys = function webpackContextKeys() {\n\treturn Object.keys(map);\n};\nwebpackContext.resolve = webpackContextResolve;\nmodule.exports = webpackContext;\nwebpackContext.id = 6;","import { Controller } from \"stimulus\"\n\nexport default class extends Controller {\n connect() {\n $(this.element).children('.list-display').show()\n $(this.element).children('.grid-display').hide()\n }\n\n toggle() {\n var $cardList = $(this.element).siblings('.iris-card-list')\n if ($cardList.hasClass('column')) {\n $cardList.removeClass('column')\n $(this.element).children('.list-display').show()\n $(this.element).children('.grid-display').hide()\n } else {\n $cardList.addClass('column')\n $(this.element).children('.list-display').hide()\n $(this.element).children('.grid-display').show()\n }\n }\n}\n","import { Controller } from \"stimulus\"\n\nexport default class extends Controller {\n static targets = [ \"conditionalQuestionsWrapper\", \"mainQuestions\", \"question\" ]\n connect() {\n this.questionTargets.forEach(item => {\n item.style.display = \"none\"\n })\n this.conditionalQuestionsWrapperTarget.style.display = \"none\"\n this.attachChangeListeners(\"input\", this.toggleCheckboxConditionals)\n this.attachChangeListeners(\"select\", this.toggleSelectConditionals)\n this.determineWrapperDisplay()\n }\n\n attachChangeListeners(selectors, listener) {\n let list = this.mainQuestionsTarget.querySelectorAll(selectors)\n list.forEach(item => {\n listener.call(this, list)\n item.addEventListener(\"change\", event => {\n listener.call(this, list)\n this.determineWrapperDisplay()\n })\n })\n }\n\n setShowing(element, showing) {\n if (showing) {\n element.style.display = \"block\"\n element.querySelector(\".destroy-input\").value = \"0\"\n } else {\n element.style.display = \"none\"\n element.querySelector(\".destroy-input\").value = \"1\"\n }\n }\n\n toggleCheckboxConditionals(targets) {\n let targetsList = Array.from(targets)\n let selectedTargets = targetsList.filter(target=>{return target.checked})\n let choiceIds = selectedTargets.map((element) => parseInt(element.dataset.choiceId))\n this.questionTargets.forEach(item => {\n let intersect = JSON.parse(item.dataset.parentChoiceIds).filter(x => choiceIds.includes(x))\n this.setShowing(item, intersect.length !== 0)\n })\n }\n\n toggleSelectConditionals(targets) {\n let targetsList = Array.from(targets)\n let choiceIds = targetsList.map((element) => parseInt(element.selectedOptions[0].dataset.choiceId))\n this.questionTargets.forEach(item => {\n let intersect = JSON.parse(item.dataset.parentChoiceIds).filter(x => choiceIds.includes(x))\n this.setShowing(item, intersect.length !== 0)\n })\n }\n\n determineWrapperDisplay() {\n this.conditionalQuestionsWrapperTarget.style.display = this.questionTargets.some(x => getComputedStyle(x).display === \"block\") ? \"block\" : \"none\"\n }\n}","import { Controller } from \"stimulus\"\n\nexport default class extends Controller {\n static hiddenFieldFormat = 'yy-mm-dd'\n static userFacingFieldFormat = 'mm-dd-yy'\n\n connect() {\n let $this = $(this.element)\n // Set up a hidden field to actually submit our data\n let $hiddenField = $('')\n $hiddenField.attr('name', $this.attr('name'))\n if ($this.attr('value')) {\n let currentDate = $.datepicker.parseDate(this.constructor.hiddenFieldFormat, $this.attr('value'))\n $hiddenField.attr('value', $this.attr('value'))\n $this.attr('value', $.datepicker.formatDate(this.constructor.userFacingFieldFormat, currentDate))\n }\n\n $this.attr('name', '') // Reset the name attribute on the visible field so we don't get a double submission\n $hiddenField.insertBefore($this)\n\n $this.datepicker({\n dateFormat: this.constructor.userFacingFieldFormat,\n altField: $hiddenField,\n altFormat: this.constructor.hiddenFieldFormat\n })\n }\n}\n","import { Controller } from \"stimulus\"\nimport Swal from 'sweetalert2'\n\nexport default class extends Controller {\n connect() {\n $(this.element).on('ajax:before', this.beforeAjax.bind(this))\n $(this.element).on('ajax:success', this.handleAjax.bind(this))\n $(this.element).on('ajax:error', this.showError.bind(this))\n }\n\n disconnect() {\n $(this.element).off('ajax:before', this.beforeAjax)\n $(this.element).off('ajax:success', this.handleAjax)\n $(this.element).off('ajax:error', this.showError)\n }\n\n beforeAjax(e) {\n let isAdmin = this.data.get('isAdminValue') === \"true\"\n let text;\n if(isAdmin){\n text = 'Your report is generating, and you will receive an email notification when it is complete. You may now exit this screen.'\n } else {\n text = 'Generating your report...'\n } \n Swal.fire({\n title: 'Processing!',\n text: text,\n type: 'info',\n showConfirmButton: isAdmin\n })\n Swal.showLoading()\n }\n\n handleAjax(e, data, status, xhr) {\n const subscription = Cable.subscriptions.create({ channel: \"DownloadsChannel\", download_id: data.download_id }, {\n received: (data) => {\n Swal.hideLoading()\n if (data.error) {\n this.showError()\n } else {\n Swal.fire({\n title: 'Finished!',\n text: 'Your download is ready',\n type: 'success',\n showConfirmButton: true,\n confirmButtonText: \"Download\"\n }).then(() => {\n if (typeof Trestle != 'undefined') {\n Trestle.visit(data.url)\n } else {\n Turbolinks.visit(data.url)\n }\n })\n }\n\n subscription.unsubscribe()\n }\n })\n }\n\n showError() {\n Swal.hideLoading()\n Swal.update({\n title: \"Error!\",\n text: \"There was an issue generating your download\",\n type: \"error\",\n showConfirmButton: true\n })\n }\n}","import { Controller } from \"stimulus\"\n\nexport default class extends Controller {\n scrollTop() {\n window.scrollTo(0, 0);\n }\n}","import { Controller } from \"stimulus\"\n\nexport default class extends Controller {\n connect() {\n let $this = $(this.element)\n let minimumInputLength = parseInt($this.data('min-input')) || 0\n let isTagging = $this.data('select2-tagging') != undefined\n let allowsClear = $this.data('allows-clear') != undefined\n let ensureLastUser = $this.data('organization-ids-with-only-one-user-left') != undefined\n let width = $this.data('width') || 'resolve'\n $this.select2({\n placeholder: $this.data('placeholder'),\n allowClear: allowsClear,\n minimumInputLength: minimumInputLength,\n tags: isTagging,\n width: width,\n })\n\n if (ensureLastUser){\n $this.on('select2:unselecting', function (e) {\n if($this.data('organization-ids-with-only-one-user-left').includes(parseInt(e.params.args.data.id))) {\n e.preventDefault();\n dataConfirmModal.confirm({\n text: $this.data('last-organization-message'),\n commit: \"Deactivate User\",\n onConfirm: function() {\n $(e.params.args.data.element).prop(\"selected\", false)\n $(e.currentTarget).trigger(\"change.select2\")\n },\n })\n }\n });\n }\n }\n\n disconnect() {\n $(this.element).select2('destroy')\n }\n}","import { Controller } from \"stimulus\"\nimport Sortable from \"sortablejs/Sortable\"\n\nexport default class extends Controller {\n connect() {\n this.sortable = Sortable.create(this.element, {\n handle: this.element.getAttribute('data-sortable-handle'),\n animation: 150\n })\n }\n\n disconnect() {\n this.sortable.destroy()\n this.sortable = null\n }\n}","import { Controller } from \"stimulus\"\n\nexport default class extends Controller {\n static targets = [\"trigger\", \"show\"]\n\n toggle() {\n if (this.triggerTarget.value === this.element.dataset.toggleVisibilityOtherValue) {\n this.showTarget.classList.add(\"d-block\")\n this.showTarget.classList.remove(\"d-none\")\n } else {\n this.showTarget.classList.remove(\"d-block\")\n this.showTarget.classList.add(\"d-none\")\n }\n }\n}","function _wrapNativeSuper2(Class) { var _cache = typeof Map === \"function\" ? new Map() : undefined; _wrapNativeSuper2 = function _wrapNativeSuper(Class) { if (Class === null || !_isNativeFunction2(Class)) return Class; if (typeof Class !== \"function\") { throw new TypeError(\"Super expression must either be null or a function\"); } if (typeof _cache !== \"undefined\") { if (_cache.has(Class)) return _cache.get(Class); _cache.set(Class, Wrapper); } function Wrapper() { return _construct2(Class, arguments, _getPrototypeOf2(this).constructor); } Wrapper.prototype = Object.create(Class.prototype, { constructor: { value: Wrapper, enumerable: false, writable: true, configurable: true } }); return _setPrototypeOf2(Wrapper, Class); }; return _wrapNativeSuper2(Class); }\n\nfunction _construct2(Parent, args, Class) { if (_isNativeReflectConstruct2()) { _construct2 = Reflect.construct; } else { _construct2 = function _construct(Parent, args, Class) { var a = [null]; a.push.apply(a, args); var Constructor = Function.bind.apply(Parent, a); var instance = new Constructor(); if (Class) _setPrototypeOf2(instance, Class.prototype); return instance; }; } return _construct2.apply(null, arguments); }\n\nfunction _isNativeFunction2(fn) { return Function.toString.call(fn).indexOf(\"[native code]\") !== -1; }\n\nfunction _toArray2(arr) { return _arrayWithHoles2(arr) || _iterableToArray2(arr) || _unsupportedIterableToArray2(arr) || _nonIterableRest2(); }\n\nfunction _createForOfIteratorHelper2(o, allowArrayLike) { var it = typeof Symbol !== \"undefined\" && o[Symbol.iterator] || o[\"@@iterator\"]; if (!it) { if (Array.isArray(o) || (it = _unsupportedIterableToArray2(o)) || allowArrayLike && o && typeof o.length === \"number\") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e4) { throw _e4; }, f: F }; } throw new TypeError(\"Invalid attempt to iterate non-iterable instance.\\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.\"); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = it.call(o); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e5) { didErr = true; err = _e5; }, f: function f() { try { if (!normalCompletion && it[\"return\"] != null) it[\"return\"](); } finally { if (didErr) throw err; } } }; }\n\nfunction _get2() { if (typeof Reflect !== \"undefined\" && Reflect.get) { _get2 = Reflect.get; } else { _get2 = function _get(target, property, receiver) { var base = _superPropBase2(target, property); if (!base) return; var desc = Object.getOwnPropertyDescriptor(base, property); if (desc.get) { return desc.get.call(arguments.length < 3 ? target : receiver); } return desc.value; }; } return _get2.apply(this, arguments); }\n\nfunction _superPropBase2(object, property) { while (!Object.prototype.hasOwnProperty.call(object, property)) { object = _getPrototypeOf2(object); if (object === null) break; } return object; }\n\nfunction _slicedToArray2(arr, i) { return _arrayWithHoles2(arr) || _iterableToArrayLimit2(arr, i) || _unsupportedIterableToArray2(arr, i) || _nonIterableRest2(); }\n\nfunction _nonIterableRest2() { throw new TypeError(\"Invalid attempt to destructure non-iterable instance.\\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.\"); }\n\nfunction _iterableToArrayLimit2(arr, i) { var _i = arr == null ? null : typeof Symbol !== \"undefined\" && arr[Symbol.iterator] || arr[\"@@iterator\"]; if (_i == null) return; var _arr = []; var _n = true; var _d = false; var _s, _e; try { for (_i = _i.call(arr); !(_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\"] != null) _i[\"return\"](); } finally { if (_d) throw _e; } } return _arr; }\n\nfunction _arrayWithHoles2(arr) { if (Array.isArray(arr)) return arr; }\n\nfunction _toConsumableArray2(arr) { return _arrayWithoutHoles2(arr) || _iterableToArray2(arr) || _unsupportedIterableToArray2(arr) || _nonIterableSpread2(); }\n\nfunction _nonIterableSpread2() { throw new TypeError(\"Invalid attempt to spread non-iterable instance.\\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.\"); }\n\nfunction _unsupportedIterableToArray2(o, minLen) { if (!o) return; if (typeof o === \"string\") return _arrayLikeToArray2(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === \"Object\" && o.constructor) n = o.constructor.name; if (n === \"Map\" || n === \"Set\") return Array.from(o); if (n === \"Arguments\" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray2(o, minLen); }\n\nfunction _iterableToArray2(iter) { if (typeof Symbol !== \"undefined\" && iter[Symbol.iterator] != null || iter[\"@@iterator\"] != null) return Array.from(iter); }\n\nfunction _arrayWithoutHoles2(arr) { if (Array.isArray(arr)) return _arrayLikeToArray2(arr); }\n\nfunction _arrayLikeToArray2(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }\n\nfunction _inherits2(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function\"); } Object.defineProperty(subClass, \"prototype\", { value: Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }), writable: false }); if (superClass) _setPrototypeOf2(subClass, superClass); }\n\nfunction _setPrototypeOf2(o, p) { _setPrototypeOf2 = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf2(o, p); }\n\nfunction _createSuper2(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct2(); return function _createSuperInternal() { var Super = _getPrototypeOf2(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf2(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn2(this, result); }; }\n\nfunction _possibleConstructorReturn2(self, call) { if (call && (_typeof2(call) === \"object\" || typeof call === \"function\")) { return call; } else if (call !== void 0) { throw new TypeError(\"Derived constructors may only return object or undefined\"); } return _assertThisInitialized2(self); }\n\nfunction _assertThisInitialized2(self) { if (self === void 0) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return self; }\n\nfunction _isNativeReflectConstruct2() { if (typeof Reflect === \"undefined\" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === \"function\") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }\n\nfunction _getPrototypeOf2(o) { _getPrototypeOf2 = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf2(o); }\n\nfunction _classCallCheck2(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction __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); } }\n\nfunction _createClass2(Constructor, protoProps, staticProps) { if (protoProps) __defineProperties(Constructor.prototype, protoProps); if (staticProps) __defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, \"prototype\", { writable: false }); return Constructor; }\n\nfunction _typeof2(obj) { \"@babel/helpers - typeof\"; return _typeof2 = \"function\" == typeof Symbol && \"symbol\" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && \"function\" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; }, _typeof2(obj); }\n\n/*\nTrix 2.0.0-alpha.1\nCopyright © 2022 Basecamp, LLC\n */\nvar name = \"trix\";\nvar version = \"2.0.0-alpha.1\";\nvar description = \"A rich text editor for everyday writing\";\nvar main = \"dist/trix.umd.js\";\nvar module = \"dist/trix.js\";\nvar style = \"dist/trix.css\";\nvar files = [\"dist/*.css\", \"dist/*.js\"];\nvar repository = {\n type: \"git\",\n url: \"git+https://github.com/basecamp/trix.git\"\n};\nvar keywords = [\"rich text\", \"wysiwyg\", \"editor\"];\nvar author = \"Basecamp, LLC\";\nvar license = \"MIT\";\nvar bugs = {\n url: \"https://github.com/basecamp/trix/issues\"\n};\nvar homepage = \"https://trix-editor.org/\";\nvar devDependencies = {\n \"@babel/core\": \"^7.16.0\",\n \"@babel/preset-env\": \"^7.16.4\",\n \"@rollup/plugin-babel\": \"^5.3.0\",\n \"@rollup/plugin-json\": \"^4.1.0\",\n \"babel-eslint\": \"^10.1.0\",\n eslint: \"^7.32.0\",\n esm: \"^3.2.25\",\n karma: \"5.0.2\",\n \"karma-chrome-launcher\": \"3.1.0\",\n \"karma-qunit\": \"^4.1.2\",\n \"karma-sauce-launcher\": \"^4.3.6\",\n \"node-sass\": \"^7.0.1\",\n qunit: \"2.9.3\",\n rangy: \"^1.3.0\",\n rollup: \"^2.56.3\",\n \"rollup-plugin-commonjs\": \"^10.1.0\",\n \"rollup-plugin-includepaths\": \"^0.2.4\",\n \"rollup-plugin-node-resolve\": \"^5.2.0\",\n \"rollup-plugin-terser\": \"^7.0.2\",\n svgo: \"^2.8.0\"\n};\nvar scripts = {\n \"build-css\": \"node-sass --functions=./assets/trix/stylesheets/functions assets/trix.scss dist/trix.css\",\n \"build-js\": \"rollup -c\",\n \"build-assets\": \"cp -f assets/*.html dist/\",\n build: \"yarn run build-js && yarn run build-css && yarn run build-assets\",\n watch: \"rollup -c -w\",\n lint: \"eslint .\",\n pretest: \"yarn run lint && yarn run build\",\n test: \"karma start\",\n postversion: \"git push && git push --tags\",\n release: \"yarn test && npm adduser && yarn version && npm publish\"\n};\nvar dependencies = {};\nvar _package = {\n name: name,\n version: version,\n description: description,\n main: main,\n module: module,\n style: style,\n files: files,\n repository: repository,\n keywords: keywords,\n author: author,\n license: license,\n bugs: bugs,\n homepage: homepage,\n devDependencies: devDependencies,\n scripts: scripts,\n dependencies: dependencies\n};\nvar attachmentSelector = \"[data-trix-attachment]\";\nvar attachments = {\n preview: {\n presentation: \"gallery\",\n caption: {\n name: true,\n size: true\n }\n },\n file: {\n caption: {\n size: true\n }\n }\n};\nvar attributes = {\n \"default\": {\n tagName: \"div\",\n parse: false\n },\n quote: {\n tagName: \"blockquote\",\n nestable: true\n },\n heading1: {\n tagName: \"h1\",\n terminal: true,\n breakOnReturn: true,\n group: false\n },\n code: {\n tagName: \"pre\",\n terminal: true,\n text: {\n plaintext: true\n }\n },\n bulletList: {\n tagName: \"ul\",\n parse: false\n },\n bullet: {\n tagName: \"li\",\n listAttribute: \"bulletList\",\n group: false,\n nestable: true,\n test: function test(element) {\n return tagName$1(element.parentNode) === attributes[this.listAttribute].tagName;\n }\n },\n numberList: {\n tagName: \"ol\",\n parse: false\n },\n number: {\n tagName: \"li\",\n listAttribute: \"numberList\",\n group: false,\n nestable: true,\n test: function test(element) {\n return tagName$1(element.parentNode) === attributes[this.listAttribute].tagName;\n }\n },\n attachmentGallery: {\n tagName: \"div\",\n exclusive: true,\n terminal: true,\n parse: false,\n group: false\n }\n};\n\nvar tagName$1 = function tagName$1(element) {\n var _element$tagName;\n\n return element === null || element === void 0 ? void 0 : (_element$tagName = element.tagName) === null || _element$tagName === void 0 ? void 0 : _element$tagName.toLowerCase();\n};\n\nvar browser$1 = {\n // Android emits composition events when moving the cursor through existing text\n // Introduced in Chrome 65: https://bugs.chromium.org/p/chromium/issues/detail?id=764439#c9\n composesExistingText: /Android.*Chrome/.test(navigator.userAgent),\n // IE 11 activates resizing handles on editable elements that have \"layout\"\n forcesObjectResizing: /Trident.*rv:11/.test(navigator.userAgent),\n // https://www.w3.org/TR/input-events-1/ + https://www.w3.org/TR/input-events-2/\n supportsInputEvents: function () {\n if (typeof InputEvent === \"undefined\") {\n return false;\n }\n\n for (var _i2 = 0, _arr2 = [\"data\", \"getTargetRanges\", \"inputType\"]; _i2 < _arr2.length; _i2++) {\n var property = _arr2[_i2];\n\n if (!(property in InputEvent.prototype)) {\n return false;\n }\n }\n\n return true;\n }()\n};\nvar css$3 = {\n attachment: \"attachment\",\n attachmentCaption: \"attachment__caption\",\n attachmentCaptionEditor: \"attachment__caption-editor\",\n attachmentMetadata: \"attachment__metadata\",\n attachmentMetadataContainer: \"attachment__metadata-container\",\n attachmentName: \"attachment__name\",\n attachmentProgress: \"attachment__progress\",\n attachmentSize: \"attachment__size\",\n attachmentToolbar: \"attachment__toolbar\",\n attachmentGallery: \"attachment-gallery\"\n};\nvar lang$1 = {\n attachFiles: \"Attach Files\",\n bold: \"Bold\",\n bullets: \"Bullets\",\n \"byte\": \"Byte\",\n bytes: \"Bytes\",\n captionPlaceholder: \"Add a caption…\",\n code: \"Code\",\n heading1: \"Heading\",\n indent: \"Increase Level\",\n italic: \"Italic\",\n link: \"Link\",\n numbers: \"Numbers\",\n outdent: \"Decrease Level\",\n quote: \"Quote\",\n redo: \"Redo\",\n remove: \"Remove\",\n strike: \"Strikethrough\",\n undo: \"Undo\",\n unlink: \"Unlink\",\n url: \"URL\",\n urlPlaceholder: \"Enter a URL…\",\n GB: \"GB\",\n KB: \"KB\",\n MB: \"MB\",\n PB: \"PB\",\n TB: \"TB\"\n};\n/* eslint-disable\n no-case-declarations,\n*/\n\nvar sizes = [lang$1.bytes, lang$1.KB, lang$1.MB, lang$1.GB, lang$1.TB, lang$1.PB];\nvar fileSize = {\n prefix: \"IEC\",\n precision: 2,\n formatter: function formatter(number) {\n switch (number) {\n case 0:\n return \"0 \".concat(lang$1.bytes);\n\n case 1:\n return \"1 \".concat(lang$1[\"byte\"]);\n\n default:\n var base;\n\n if (this.prefix === \"SI\") {\n base = 1000;\n } else if (this.prefix === \"IEC\") {\n base = 1024;\n }\n\n var exp = Math.floor(Math.log(number) / Math.log(base));\n var humanSize = number / Math.pow(base, exp);\n var string = humanSize.toFixed(this.precision);\n var withoutInsignificantZeros = string.replace(/0*$/, \"\").replace(/\\.$/, \"\");\n return \"\".concat(withoutInsignificantZeros, \" \").concat(sizes[exp]);\n }\n }\n};\nvar ZERO_WIDTH_SPACE = \"\\uFEFF\";\nvar NON_BREAKING_SPACE = \"\\xA0\";\nvar OBJECT_REPLACEMENT_CHARACTER = \"\\uFFFC\";\n\nvar extend = function extend(properties) {\n for (var key in properties) {\n var value = properties[key];\n this[key] = value;\n }\n\n return this;\n};\n\nvar html = document.documentElement;\nvar match = html.matches;\n\nvar handleEvent = function handleEvent(eventName) {\n var _ref2 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},\n onElement = _ref2.onElement,\n matchingSelector = _ref2.matchingSelector,\n withCallback = _ref2.withCallback,\n inPhase = _ref2.inPhase,\n preventDefault = _ref2.preventDefault,\n times = _ref2.times;\n\n var element = onElement ? onElement : html;\n var selector = matchingSelector;\n var useCapture = inPhase === \"capturing\";\n\n var handler = function handler(event) {\n if (times != null && --times === 0) {\n handler.destroy();\n }\n\n var target = findClosestElementFromNode(event.target, {\n matchingSelector: selector\n });\n\n if (target != null) {\n withCallback === null || withCallback === void 0 ? void 0 : withCallback.call(target, event, target);\n\n if (preventDefault) {\n event.preventDefault();\n }\n }\n };\n\n handler.destroy = function () {\n return element.removeEventListener(eventName, handler, useCapture);\n };\n\n element.addEventListener(eventName, handler, useCapture);\n return handler;\n};\n\nvar handleEventOnce = function handleEventOnce(eventName) {\n var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n options.times = 1;\n return handleEvent(eventName, options);\n};\n\nvar triggerEvent = function triggerEvent(eventName) {\n var _ref3 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},\n onElement = _ref3.onElement,\n bubbles = _ref3.bubbles,\n cancelable = _ref3.cancelable,\n attributes = _ref3.attributes;\n\n var element = onElement != null ? onElement : html;\n bubbles = bubbles !== false;\n cancelable = cancelable !== false;\n var event = document.createEvent(\"Events\");\n event.initEvent(eventName, bubbles, cancelable);\n\n if (attributes != null) {\n extend.call(event, attributes);\n }\n\n return element.dispatchEvent(event);\n};\n\nvar elementMatchesSelector = function elementMatchesSelector(element, selector) {\n if ((element === null || element === void 0 ? void 0 : element.nodeType) === 1) {\n return match.call(element, selector);\n }\n};\n\nvar findClosestElementFromNode = function findClosestElementFromNode(node) {\n var _ref4 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},\n matchingSelector = _ref4.matchingSelector,\n untilNode = _ref4.untilNode;\n\n while (node && node.nodeType !== Node.ELEMENT_NODE) {\n node = node.parentNode;\n }\n\n if (node == null) {\n return;\n }\n\n if (matchingSelector != null) {\n if (node.closest && untilNode == null) {\n return node.closest(matchingSelector);\n } else {\n while (node && node !== untilNode) {\n if (elementMatchesSelector(node, matchingSelector)) {\n return node;\n }\n\n node = node.parentNode;\n }\n }\n } else {\n return node;\n }\n};\n\nvar findInnerElement = function findInnerElement(element) {\n while ((_element = element) !== null && _element !== void 0 && _element.firstElementChild) {\n var _element;\n\n element = element.firstElementChild;\n }\n\n return element;\n};\n\nvar innerElementIsActive = function innerElementIsActive(element) {\n return document.activeElement !== element && elementContainsNode(element, document.activeElement);\n};\n\nvar elementContainsNode = function elementContainsNode(element, node) {\n if (!element || !node) {\n return;\n }\n\n while (node) {\n if (node === element) {\n return true;\n }\n\n node = node.parentNode;\n }\n};\n\nvar findNodeFromContainerAndOffset = function findNodeFromContainerAndOffset(container, offset) {\n if (!container) {\n return;\n }\n\n if (container.nodeType === Node.TEXT_NODE) {\n return container;\n } else if (offset === 0) {\n return container.firstChild != null ? container.firstChild : container;\n } else {\n return container.childNodes.item(offset - 1);\n }\n};\n\nvar findElementFromContainerAndOffset = function findElementFromContainerAndOffset(container, offset) {\n var node = findNodeFromContainerAndOffset(container, offset);\n return findClosestElementFromNode(node);\n};\n\nvar findChildIndexOfNode = function findChildIndexOfNode(node) {\n var _node;\n\n if (!((_node = node) !== null && _node !== void 0 && _node.parentNode)) {\n return;\n }\n\n var childIndex = 0;\n node = node.previousSibling;\n\n while (node) {\n childIndex++;\n node = node.previousSibling;\n }\n\n return childIndex;\n};\n\nvar removeNode = function removeNode(node) {\n var _node$parentNode;\n\n return node === null || node === void 0 ? void 0 : (_node$parentNode = node.parentNode) === null || _node$parentNode === void 0 ? void 0 : _node$parentNode.removeChild(node);\n};\n\nvar walkTree = function walkTree(tree) {\n var _ref5 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},\n onlyNodesOfType = _ref5.onlyNodesOfType,\n usingFilter = _ref5.usingFilter,\n expandEntityReferences = _ref5.expandEntityReferences;\n\n var whatToShow = function () {\n switch (onlyNodesOfType) {\n case \"element\":\n return NodeFilter.SHOW_ELEMENT;\n\n case \"text\":\n return NodeFilter.SHOW_TEXT;\n\n case \"comment\":\n return NodeFilter.SHOW_COMMENT;\n\n default:\n return NodeFilter.SHOW_ALL;\n }\n }();\n\n return document.createTreeWalker(tree, whatToShow, usingFilter != null ? usingFilter : null, expandEntityReferences === true);\n};\n\nvar tagName = function tagName(element) {\n var _element$tagName;\n\n return element === null || element === void 0 ? void 0 : (_element$tagName = element.tagName) === null || _element$tagName === void 0 ? void 0 : _element$tagName.toLowerCase();\n};\n\nvar makeElement = function makeElement(tag) {\n var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n var key, value;\n\n if (_typeof2(tag) === \"object\") {\n options = tag;\n tag = options.tagName;\n } else {\n options = {\n attributes: options\n };\n }\n\n var element = document.createElement(tag);\n\n if (options.editable != null) {\n if (options.attributes == null) {\n options.attributes = {};\n }\n\n options.attributes.contenteditable = options.editable;\n }\n\n if (options.attributes) {\n for (key in options.attributes) {\n value = options.attributes[key];\n element.setAttribute(key, value);\n }\n }\n\n if (options.style) {\n for (key in options.style) {\n value = options.style[key];\n element.style[key] = value;\n }\n }\n\n if (options.data) {\n for (key in options.data) {\n value = options.data[key];\n element.dataset[key] = value;\n }\n }\n\n if (options.className) {\n options.className.split(\" \").forEach(function (className) {\n element.classList.add(className);\n });\n }\n\n if (options.textContent) {\n element.textContent = options.textContent;\n }\n\n if (options.childNodes) {\n [].concat(options.childNodes).forEach(function (childNode) {\n element.appendChild(childNode);\n });\n }\n\n return element;\n};\n\nvar blockTagNames = undefined;\n\nvar getBlockTagNames = function getBlockTagNames() {\n if (blockTagNames != null) {\n return blockTagNames;\n }\n\n blockTagNames = [];\n\n for (var key in attributes) {\n var attributes$1 = attributes[key];\n\n if (attributes$1.tagName) {\n blockTagNames.push(attributes$1.tagName);\n }\n }\n\n return blockTagNames;\n};\n\nvar nodeIsBlockContainer = function nodeIsBlockContainer(node) {\n return nodeIsBlockStartComment(node === null || node === void 0 ? void 0 : node.firstChild);\n};\n\nvar nodeProbablyIsBlockContainer = function nodeProbablyIsBlockContainer(node) {\n return getBlockTagNames().includes(tagName(node)) && !getBlockTagNames().includes(tagName(node.firstChild));\n};\n\nvar nodeIsBlockStart = function nodeIsBlockStart(node) {\n var _ref6 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {\n strict: true\n },\n strict = _ref6.strict;\n\n if (strict) {\n return nodeIsBlockStartComment(node);\n } else {\n return nodeIsBlockStartComment(node) || !nodeIsBlockStartComment(node.firstChild) && nodeProbablyIsBlockContainer(node);\n }\n};\n\nvar nodeIsBlockStartComment = function nodeIsBlockStartComment(node) {\n return nodeIsCommentNode(node) && (node === null || node === void 0 ? void 0 : node.data) === \"block\";\n};\n\nvar nodeIsCommentNode = function nodeIsCommentNode(node) {\n return (node === null || node === void 0 ? void 0 : node.nodeType) === Node.COMMENT_NODE;\n};\n\nvar nodeIsCursorTarget = function nodeIsCursorTarget(node) {\n var _ref7 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},\n name = _ref7.name;\n\n if (!node) {\n return;\n }\n\n if (nodeIsTextNode(node)) {\n if (node.data === ZERO_WIDTH_SPACE) {\n if (name) {\n return node.parentNode.dataset.trixCursorTarget === name;\n } else {\n return true;\n }\n }\n } else {\n return nodeIsCursorTarget(node.firstChild);\n }\n};\n\nvar nodeIsAttachmentElement = function nodeIsAttachmentElement(node) {\n return elementMatchesSelector(node, attachmentSelector);\n};\n\nvar nodeIsEmptyTextNode = function nodeIsEmptyTextNode(node) {\n return nodeIsTextNode(node) && (node === null || node === void 0 ? void 0 : node.data) === \"\";\n};\n\nvar nodeIsTextNode = function nodeIsTextNode(node) {\n return (node === null || node === void 0 ? void 0 : node.nodeType) === Node.TEXT_NODE;\n};\n\nvar input = {\n level2Enabled: true,\n getLevel: function getLevel() {\n if (this.level2Enabled && browser$1.supportsInputEvents) {\n return 2;\n } else {\n return 0;\n }\n },\n pickFiles: function pickFiles(callback) {\n var input = makeElement(\"input\", {\n type: \"file\",\n multiple: true,\n hidden: true,\n id: this.fileInputId\n });\n input.addEventListener(\"change\", function () {\n callback(input.files);\n removeNode(input);\n });\n removeNode(document.getElementById(this.fileInputId));\n document.body.appendChild(input);\n input.click();\n }\n};\nvar keyNames$2 = {\n 8: \"backspace\",\n 9: \"tab\",\n 13: \"return\",\n 27: \"escape\",\n 37: \"left\",\n 39: \"right\",\n 46: \"delete\",\n 68: \"d\",\n 72: \"h\",\n 79: \"o\"\n};\nvar textAttributes = {\n bold: {\n tagName: \"strong\",\n inheritable: true,\n parser: function parser(element) {\n var style = window.getComputedStyle(element);\n return style.fontWeight === \"bold\" || style.fontWeight >= 600;\n }\n },\n italic: {\n tagName: \"em\",\n inheritable: true,\n parser: function parser(element) {\n var style = window.getComputedStyle(element);\n return style.fontStyle === \"italic\";\n }\n },\n href: {\n groupTagName: \"a\",\n parser: function parser(element) {\n var matchingSelector = \"a:not(\".concat(attachmentSelector, \")\");\n var link = element.closest(matchingSelector);\n\n if (link) {\n return link.getAttribute(\"href\");\n }\n }\n },\n strike: {\n tagName: \"del\",\n inheritable: true\n },\n frozen: {\n style: {\n backgroundColor: \"highlight\"\n }\n }\n};\nvar toolbar = {\n getDefaultHTML: function getDefaultHTML() {\n return \"\\n \\n \\n \\n \\n \\n \\n\\n \\n \\n \\n \\n \\n \\n \\n \\n \\n\\n \\n \\n \\n\\n \\n\\n \\n \\n \\n \\n
\\n\\n \");\n }\n};\nvar undoInterval = 5000;\nvar config = {\n attachments: attachments,\n blockAttributes: attributes,\n browser: browser$1,\n css: css$3,\n fileSize: fileSize,\n input: input,\n keyNames: keyNames$2,\n lang: lang$1,\n textAttributes: textAttributes,\n toolbar: toolbar,\n undoInterval: undoInterval\n};\n\nfunction createMetadataMethodsForProperty(metadataMap, kind, property, decoratorFinishedRef) {\n return {\n getMetadata: function getMetadata(key) {\n assertNotFinished(decoratorFinishedRef, \"getMetadata\"), assertMetadataKey(key);\n var metadataForKey = metadataMap[key];\n if (void 0 !== metadataForKey) if (1 === kind) {\n var pub = metadataForKey[\"public\"];\n if (void 0 !== pub) return pub[property];\n } else if (2 === kind) {\n var priv = metadataForKey[\"private\"];\n if (void 0 !== priv) return priv.get(property);\n } else if (Object.hasOwnProperty.call(metadataForKey, \"constructor\")) return metadataForKey.constructor;\n },\n setMetadata: function setMetadata(key, value) {\n assertNotFinished(decoratorFinishedRef, \"setMetadata\"), assertMetadataKey(key);\n var metadataForKey = metadataMap[key];\n\n if (void 0 === metadataForKey && (metadataForKey = metadataMap[key] = {}), 1 === kind) {\n var pub = metadataForKey[\"public\"];\n void 0 === pub && (pub = metadataForKey[\"public\"] = {}), pub[property] = value;\n } else if (2 === kind) {\n var priv = metadataForKey.priv;\n void 0 === priv && (priv = metadataForKey[\"private\"] = new Map()), priv.set(property, value);\n } else metadataForKey.constructor = value;\n }\n };\n}\n\nfunction convertMetadataMapToFinal(obj, metadataMap) {\n var parentMetadataMap = obj[Symbol.metadata || Symbol[\"for\"](\"Symbol.metadata\")],\n metadataKeys = Object.getOwnPropertySymbols(metadataMap);\n\n if (0 !== metadataKeys.length) {\n for (var i = 0; i < metadataKeys.length; i++) {\n var key = metadataKeys[i],\n metaForKey = metadataMap[key],\n parentMetaForKey = parentMetadataMap ? parentMetadataMap[key] : null,\n pub = metaForKey[\"public\"],\n parentPub = parentMetaForKey ? parentMetaForKey[\"public\"] : null;\n pub && parentPub && Object.setPrototypeOf(pub, parentPub);\n var priv = metaForKey[\"private\"];\n\n if (priv) {\n var privArr = Array.from(priv.values()),\n parentPriv = parentMetaForKey ? parentMetaForKey[\"private\"] : null;\n parentPriv && (privArr = privArr.concat(parentPriv)), metaForKey[\"private\"] = privArr;\n }\n\n parentMetaForKey && Object.setPrototypeOf(metaForKey, parentMetaForKey);\n }\n\n parentMetadataMap && Object.setPrototypeOf(metadataMap, parentMetadataMap), obj[Symbol.metadata || Symbol[\"for\"](\"Symbol.metadata\")] = metadataMap;\n }\n}\n\nfunction createAddInitializerMethod(initializers, decoratorFinishedRef) {\n return function (initializer) {\n assertNotFinished(decoratorFinishedRef, \"addInitializer\"), assertCallable(initializer, \"An initializer\"), initializers.push(initializer);\n };\n}\n\nfunction memberDec(dec, name, desc, metadataMap, initializers, kind, isStatic, isPrivate, value) {\n var kindStr;\n\n switch (kind) {\n case 1:\n kindStr = \"accessor\";\n break;\n\n case 2:\n kindStr = \"method\";\n break;\n\n case 3:\n kindStr = \"getter\";\n break;\n\n case 4:\n kindStr = \"setter\";\n break;\n\n default:\n kindStr = \"field\";\n }\n\n var metadataKind,\n metadataName,\n ctx = {\n kind: kindStr,\n name: isPrivate ? \"#\" + name : name,\n isStatic: isStatic,\n isPrivate: isPrivate\n },\n decoratorFinishedRef = {\n v: !1\n };\n\n if (0 !== kind && (ctx.addInitializer = createAddInitializerMethod(initializers, decoratorFinishedRef)), isPrivate) {\n metadataKind = 2, metadataName = Symbol(name);\n var access = {};\n 0 === kind ? (access.get = desc.get, access.set = desc.set) : 2 === kind ? access.get = function () {\n return desc.value;\n } : (1 !== kind && 3 !== kind || (access.get = function () {\n return desc.get.call(this);\n }), 1 !== kind && 4 !== kind || (access.set = function (v) {\n desc.set.call(this, v);\n })), ctx.access = access;\n } else metadataKind = 1, metadataName = name;\n\n try {\n return dec(value, Object.assign(ctx, createMetadataMethodsForProperty(metadataMap, metadataKind, metadataName, decoratorFinishedRef)));\n } finally {\n decoratorFinishedRef.v = !0;\n }\n}\n\nfunction assertNotFinished(decoratorFinishedRef, fnName) {\n if (decoratorFinishedRef.v) throw new Error(\"attempted to call \" + fnName + \" after decoration was finished\");\n}\n\nfunction assertMetadataKey(key) {\n if (\"symbol\" != _typeof2(key)) throw new TypeError(\"Metadata keys must be symbols, received: \" + key);\n}\n\nfunction assertCallable(fn, hint) {\n if (\"function\" != typeof fn) throw new TypeError(hint + \" must be a function\");\n}\n\nfunction assertValidReturnValue(kind, value) {\n var type = _typeof2(value);\n\n if (1 === kind) {\n if (\"object\" !== type || null === value) throw new TypeError(\"accessor decorators must return an object with get, set, or init properties or void 0\");\n void 0 !== value.get && assertCallable(value.get, \"accessor.get\"), void 0 !== value.set && assertCallable(value.set, \"accessor.set\"), void 0 !== value.init && assertCallable(value.init, \"accessor.init\"), void 0 !== value.initializer && assertCallable(value.initializer, \"accessor.initializer\");\n } else if (\"function\" !== type) {\n var hint;\n throw hint = 0 === kind ? \"field\" : 10 === kind ? \"class\" : \"method\", new TypeError(hint + \" decorators must return a function or void 0\");\n }\n}\n\nfunction getInit(desc) {\n var initializer;\n return null == (initializer = desc.init) && (initializer = desc.initializer) && \"undefined\" != typeof console && console.warn(\".initializer has been renamed to .init as of March 2022\"), initializer;\n}\n\nfunction applyMemberDec(ret, base, decInfo, name, kind, isStatic, isPrivate, metadataMap, initializers) {\n var desc,\n initializer,\n value,\n newValue,\n get,\n set,\n decs = decInfo[0];\n if (isPrivate ? desc = 0 === kind || 1 === kind ? {\n get: decInfo[3],\n set: decInfo[4]\n } : 3 === kind ? {\n get: decInfo[3]\n } : 4 === kind ? {\n set: decInfo[3]\n } : {\n value: decInfo[3]\n } : 0 !== kind && (desc = Object.getOwnPropertyDescriptor(base, name)), 1 === kind ? value = {\n get: desc.get,\n set: desc.set\n } : 2 === kind ? value = desc.value : 3 === kind ? value = desc.get : 4 === kind && (value = desc.set), \"function\" == typeof decs) void 0 !== (newValue = memberDec(decs, name, desc, metadataMap, initializers, kind, isStatic, isPrivate, value)) && (assertValidReturnValue(kind, newValue), 0 === kind ? initializer = newValue : 1 === kind ? (initializer = getInit(newValue), get = newValue.get || value.get, set = newValue.set || value.set, value = {\n get: get,\n set: set\n }) : value = newValue);else for (var i = decs.length - 1; i >= 0; i--) {\n var newInit;\n if (void 0 !== (newValue = memberDec(decs[i], name, desc, metadataMap, initializers, kind, isStatic, isPrivate, value))) assertValidReturnValue(kind, newValue), 0 === kind ? newInit = newValue : 1 === kind ? (newInit = getInit(newValue), get = newValue.get || value.get, set = newValue.set || value.set, value = {\n get: get,\n set: set\n }) : value = newValue, void 0 !== newInit && (void 0 === initializer ? initializer = newInit : \"function\" == typeof initializer ? initializer = [initializer, newInit] : initializer.push(newInit));\n }\n\n if (0 === kind || 1 === kind) {\n if (void 0 === initializer) initializer = function initializer(instance, init) {\n return init;\n };else if (\"function\" != typeof initializer) {\n var ownInitializers = initializer;\n\n initializer = function initializer(instance, init) {\n for (var value = init, i = 0; i < ownInitializers.length; i++) {\n value = ownInitializers[i].call(instance, value);\n }\n\n return value;\n };\n } else {\n var originalInitializer = initializer;\n\n initializer = function initializer(instance, init) {\n return originalInitializer.call(instance, init);\n };\n }\n ret.push(initializer);\n }\n\n 0 !== kind && (1 === kind ? (desc.get = value.get, desc.set = value.set) : 2 === kind ? desc.value = value : 3 === kind ? desc.get = value : 4 === kind && (desc.set = value), isPrivate ? 1 === kind ? (ret.push(function (instance, args) {\n return value.get.call(instance, args);\n }), ret.push(function (instance, args) {\n return value.set.call(instance, args);\n })) : 2 === kind ? ret.push(value) : ret.push(function (instance, args) {\n return value.call(instance, args);\n }) : Object.defineProperty(base, name, desc));\n}\n\nfunction applyMemberDecs(ret, Class, protoMetadataMap, staticMetadataMap, decInfos) {\n for (var protoInitializers, staticInitializers, existingProtoNonFields = new Map(), existingStaticNonFields = new Map(), i = 0; i < decInfos.length; i++) {\n var decInfo = decInfos[i];\n\n if (Array.isArray(decInfo)) {\n var base,\n metadataMap,\n initializers,\n kind = decInfo[1],\n name = decInfo[2],\n isPrivate = decInfo.length > 3,\n isStatic = kind >= 5;\n\n if (isStatic ? (base = Class, metadataMap = staticMetadataMap, 0 !== (kind -= 5) && (initializers = staticInitializers = staticInitializers || [])) : (base = Class.prototype, metadataMap = protoMetadataMap, 0 !== kind && (initializers = protoInitializers = protoInitializers || [])), 0 !== kind && !isPrivate) {\n var existingNonFields = isStatic ? existingStaticNonFields : existingProtoNonFields,\n existingKind = existingNonFields.get(name) || 0;\n if (!0 === existingKind || 3 === existingKind && 4 !== kind || 4 === existingKind && 3 !== kind) throw new Error(\"Attempted to decorate a public method/accessor that has the same name as a previously decorated public method/accessor. This is not currently supported by the decorators plugin. Property name was: \" + name);\n !existingKind && kind > 2 ? existingNonFields.set(name, kind) : existingNonFields.set(name, !0);\n }\n\n applyMemberDec(ret, base, decInfo, name, kind, isStatic, isPrivate, metadataMap, initializers);\n }\n }\n\n pushInitializers(ret, protoInitializers), pushInitializers(ret, staticInitializers);\n}\n\nfunction pushInitializers(ret, initializers) {\n initializers && ret.push(function (instance) {\n for (var i = 0; i < initializers.length; i++) {\n initializers[i].call(instance);\n }\n\n return instance;\n });\n}\n\nfunction applyClassDecs(ret, targetClass, metadataMap, classDecs) {\n if (classDecs.length > 0) {\n for (var initializers = [], newClass = targetClass, name = targetClass.name, i = classDecs.length - 1; i >= 0; i--) {\n var decoratorFinishedRef = {\n v: !1\n };\n\n try {\n var ctx = Object.assign({\n kind: \"class\",\n name: name,\n addInitializer: createAddInitializerMethod(initializers, decoratorFinishedRef)\n }, createMetadataMethodsForProperty(metadataMap, 0, name, decoratorFinishedRef)),\n nextNewClass = classDecs[i](newClass, ctx);\n } finally {\n decoratorFinishedRef.v = !0;\n }\n\n void 0 !== nextNewClass && (assertValidReturnValue(10, nextNewClass), newClass = nextNewClass);\n }\n\n ret.push(newClass, function () {\n for (var i = 0; i < initializers.length; i++) {\n initializers[i].call(newClass);\n }\n });\n }\n}\n\nfunction _applyDecs(targetClass, memberDecs, classDecs) {\n var ret = [],\n staticMetadataMap = {},\n protoMetadataMap = {};\n return applyMemberDecs(ret, targetClass, protoMetadataMap, staticMetadataMap, memberDecs), convertMetadataMapToFinal(targetClass.prototype, protoMetadataMap), applyClassDecs(ret, targetClass, staticMetadataMap, classDecs), convertMetadataMapToFinal(targetClass, staticMetadataMap), ret;\n}\n\nfunction _asyncIterator(iterable) {\n var method,\n async,\n sync,\n retry = 2;\n\n for (\"undefined\" != typeof Symbol && (async = Symbol.asyncIterator, sync = Symbol.iterator); retry--;) {\n if (async && null != (method = iterable[async])) return method.call(iterable);\n if (sync && null != (method = iterable[sync])) return new AsyncFromSyncIterator(method.call(iterable));\n async = \"@@asyncIterator\", sync = \"@@iterator\";\n }\n\n throw new TypeError(\"Object is not async iterable\");\n}\n\nfunction AsyncFromSyncIterator(s) {\n function AsyncFromSyncIteratorContinuation(r) {\n if (Object(r) !== r) return Promise.reject(new TypeError(r + \" is not an object.\"));\n var done = r.done;\n return Promise.resolve(r.value).then(function (value) {\n return {\n value: value,\n done: done\n };\n });\n }\n\n return AsyncFromSyncIterator = function AsyncFromSyncIterator(s) {\n this.s = s, this.n = s.next;\n }, AsyncFromSyncIterator.prototype = {\n s: null,\n n: null,\n next: function next() {\n return AsyncFromSyncIteratorContinuation(this.n.apply(this.s, arguments));\n },\n \"return\": function _return(value) {\n var ret = this.s[\"return\"];\n return void 0 === ret ? Promise.resolve({\n value: value,\n done: !0\n }) : AsyncFromSyncIteratorContinuation(ret.apply(this.s, arguments));\n },\n \"throw\": function _throw(value) {\n var thr = this.s[\"return\"];\n return void 0 === thr ? Promise.reject(value) : AsyncFromSyncIteratorContinuation(thr.apply(this.s, arguments));\n }\n }, new AsyncFromSyncIterator(s);\n}\n\nvar REACT_ELEMENT_TYPE;\n\nfunction _jsx(type, props, key, children) {\n REACT_ELEMENT_TYPE || (REACT_ELEMENT_TYPE = \"function\" == typeof Symbol && Symbol[\"for\"] && Symbol[\"for\"](\"react.element\") || 60103);\n var defaultProps = type && type.defaultProps,\n childrenLength = arguments.length - 3;\n if (props || 0 === childrenLength || (props = {\n children: void 0\n }), 1 === childrenLength) props.children = children;else if (childrenLength > 1) {\n for (var childArray = new Array(childrenLength), i = 0; i < childrenLength; i++) {\n childArray[i] = arguments[i + 3];\n }\n\n props.children = childArray;\n }\n if (props && defaultProps) for (var propName in defaultProps) {\n void 0 === props[propName] && (props[propName] = defaultProps[propName]);\n } else props || (props = defaultProps || {});\n return {\n $$typeof: REACT_ELEMENT_TYPE,\n type: type,\n key: void 0 === key ? null : \"\" + key,\n ref: null,\n props: props,\n _owner: null\n };\n}\n\nfunction ownKeys(object, enumerableOnly) {\n var keys = Object.keys(object);\n\n if (Object.getOwnPropertySymbols) {\n var symbols = Object.getOwnPropertySymbols(object);\n enumerableOnly && (symbols = symbols.filter(function (sym) {\n return Object.getOwnPropertyDescriptor(object, sym).enumerable;\n })), keys.push.apply(keys, symbols);\n }\n\n return keys;\n}\n\nfunction _objectSpread2(target) {\n for (var i = 1; i < arguments.length; i++) {\n var source = null != arguments[i] ? arguments[i] : {};\n i % 2 ? ownKeys(Object(source), !0).forEach(function (key) {\n _defineProperty(target, key, source[key]);\n }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)) : ownKeys(Object(source)).forEach(function (key) {\n Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key));\n });\n }\n\n return target;\n}\n\nfunction _typeof(obj) {\n \"@babel/helpers - typeof\";\n\n return _typeof = \"function\" == typeof Symbol && \"symbol\" == typeof Symbol.iterator ? function (obj) {\n return typeof obj;\n } : function (obj) {\n return obj && \"function\" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj;\n }, _typeof(obj);\n}\n\nfunction _wrapRegExp() {\n _wrapRegExp = function _wrapRegExp(re, groups) {\n return new BabelRegExp(re, void 0, groups);\n };\n\n var _super = RegExp.prototype,\n _groups = new WeakMap();\n\n function BabelRegExp(re, flags, groups) {\n var _this = new RegExp(re, flags);\n\n return _groups.set(_this, groups || _groups.get(re)), _setPrototypeOf(_this, BabelRegExp.prototype);\n }\n\n function buildGroups(result, re) {\n var g = _groups.get(re);\n\n return Object.keys(g).reduce(function (groups, name) {\n return groups[name] = result[g[name]], groups;\n }, Object.create(null));\n }\n\n return _inherits(BabelRegExp, RegExp), BabelRegExp.prototype.exec = function (str) {\n var result = _super.exec.call(this, str);\n\n return result && (result.groups = buildGroups(result, this)), result;\n }, BabelRegExp.prototype[Symbol.replace] = function (str, substitution) {\n if (\"string\" == typeof substitution) {\n var groups = _groups.get(this);\n\n return _super[Symbol.replace].call(this, str, substitution.replace(/\\$<([^>]+)>/g, function (_, name) {\n return \"$\" + groups[name];\n }));\n }\n\n if (\"function\" == typeof substitution) {\n var _this = this;\n\n return _super[Symbol.replace].call(this, str, function () {\n var args = arguments;\n return \"object\" != _typeof2(args[args.length - 1]) && (args = [].slice.call(args)).push(buildGroups(args, _this)), substitution.apply(this, args);\n });\n }\n\n return _super[Symbol.replace].call(this, str, substitution);\n }, _wrapRegExp.apply(this, arguments);\n}\n\nfunction _AwaitValue(value) {\n this.wrapped = value;\n}\n\nfunction _AsyncGenerator(gen) {\n var front, back;\n\n function send(key, arg) {\n return new Promise(function (resolve, reject) {\n var request = {\n key: key,\n arg: arg,\n resolve: resolve,\n reject: reject,\n next: null\n };\n\n if (back) {\n back = back.next = request;\n } else {\n front = back = request;\n resume(key, arg);\n }\n });\n }\n\n function resume(key, arg) {\n try {\n var result = gen[key](arg);\n var value = result.value;\n var wrappedAwait = value instanceof _AwaitValue;\n Promise.resolve(wrappedAwait ? value.wrapped : value).then(function (arg) {\n if (wrappedAwait) {\n resume(key === \"return\" ? \"return\" : \"next\", arg);\n return;\n }\n\n settle(result.done ? \"return\" : \"normal\", arg);\n }, function (err) {\n resume(\"throw\", err);\n });\n } catch (err) {\n settle(\"throw\", err);\n }\n }\n\n function settle(type, value) {\n switch (type) {\n case \"return\":\n front.resolve({\n value: value,\n done: true\n });\n break;\n\n case \"throw\":\n front.reject(value);\n break;\n\n default:\n front.resolve({\n value: value,\n done: false\n });\n break;\n }\n\n front = front.next;\n\n if (front) {\n resume(front.key, front.arg);\n } else {\n back = null;\n }\n }\n\n this._invoke = send;\n\n if (typeof gen[\"return\"] !== \"function\") {\n this[\"return\"] = undefined;\n }\n}\n\n_AsyncGenerator.prototype[typeof Symbol === \"function\" && Symbol.asyncIterator || \"@@asyncIterator\"] = function () {\n return this;\n};\n\n_AsyncGenerator.prototype.next = function (arg) {\n return this._invoke(\"next\", arg);\n};\n\n_AsyncGenerator.prototype[\"throw\"] = function (arg) {\n return this._invoke(\"throw\", arg);\n};\n\n_AsyncGenerator.prototype[\"return\"] = function (arg) {\n return this._invoke(\"return\", arg);\n};\n\nfunction _wrapAsyncGenerator(fn) {\n return function () {\n return new _AsyncGenerator(fn.apply(this, arguments));\n };\n}\n\nfunction _awaitAsyncGenerator(value) {\n return new _AwaitValue(value);\n}\n\nfunction _asyncGeneratorDelegate(inner, awaitWrap) {\n var iter = {},\n waiting = false;\n\n function pump(key, value) {\n waiting = true;\n value = new Promise(function (resolve) {\n resolve(inner[key](value));\n });\n return {\n done: false,\n value: awaitWrap(value)\n };\n }\n\n ;\n\n iter[typeof Symbol !== \"undefined\" && Symbol.iterator || \"@@iterator\"] = function () {\n return this;\n };\n\n iter.next = function (value) {\n if (waiting) {\n waiting = false;\n return value;\n }\n\n return pump(\"next\", value);\n };\n\n if (typeof inner[\"throw\"] === \"function\") {\n iter[\"throw\"] = function (value) {\n if (waiting) {\n waiting = false;\n throw value;\n }\n\n return pump(\"throw\", value);\n };\n }\n\n if (typeof inner[\"return\"] === \"function\") {\n iter[\"return\"] = function (value) {\n if (waiting) {\n waiting = false;\n return value;\n }\n\n return pump(\"return\", value);\n };\n }\n\n return iter;\n}\n\nfunction asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {\n try {\n var info = gen[key](arg);\n var value = info.value;\n } catch (error) {\n reject(error);\n return;\n }\n\n if (info.done) {\n resolve(value);\n } else {\n Promise.resolve(value).then(_next, _throw);\n }\n}\n\nfunction _asyncToGenerator(fn) {\n return function () {\n var self = this,\n args = arguments;\n return new Promise(function (resolve, reject) {\n var gen = fn.apply(self, args);\n\n function _next(value) {\n asyncGeneratorStep(gen, resolve, reject, _next, _throw, \"next\", value);\n }\n\n function _throw(err) {\n asyncGeneratorStep(gen, resolve, reject, _next, _throw, \"throw\", err);\n }\n\n _next(undefined);\n });\n };\n}\n\nfunction _classCallCheck(instance, Constructor) {\n if (!(instance instanceof Constructor)) {\n throw new TypeError(\"Cannot call a class as a function\");\n }\n}\n\nfunction _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\nfunction _createClass(Constructor, protoProps, staticProps) {\n if (protoProps) _defineProperties(Constructor.prototype, protoProps);\n if (staticProps) _defineProperties(Constructor, staticProps);\n Object.defineProperty(Constructor, \"prototype\", {\n writable: false\n });\n return Constructor;\n}\n\nfunction _defineEnumerableProperties(obj, descs) {\n for (var key in descs) {\n var desc = descs[key];\n desc.configurable = desc.enumerable = true;\n if (\"value\" in desc) desc.writable = true;\n Object.defineProperty(obj, key, desc);\n }\n\n if (Object.getOwnPropertySymbols) {\n var objectSymbols = Object.getOwnPropertySymbols(descs);\n\n for (var i = 0; i < objectSymbols.length; i++) {\n var sym = objectSymbols[i];\n var desc = descs[sym];\n desc.configurable = desc.enumerable = true;\n if (\"value\" in desc) desc.writable = true;\n Object.defineProperty(obj, sym, desc);\n }\n }\n\n return obj;\n}\n\nfunction _defaults(obj, defaults) {\n var keys = Object.getOwnPropertyNames(defaults);\n\n for (var i = 0; i < keys.length; i++) {\n var key = keys[i];\n var value = Object.getOwnPropertyDescriptor(defaults, key);\n\n if (value && value.configurable && obj[key] === undefined) {\n Object.defineProperty(obj, key, value);\n }\n }\n\n return obj;\n}\n\nfunction _defineProperty(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\nfunction _extends() {\n _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 return _extends.apply(this, arguments);\n}\n\nfunction _objectSpread(target) {\n for (var i = 1; i < arguments.length; i++) {\n var source = arguments[i] != null ? Object(arguments[i]) : {};\n var ownKeys = Object.keys(source);\n\n if (typeof Object.getOwnPropertySymbols === 'function') {\n ownKeys.push.apply(ownKeys, Object.getOwnPropertySymbols(source).filter(function (sym) {\n return Object.getOwnPropertyDescriptor(source, sym).enumerable;\n }));\n }\n\n ownKeys.forEach(function (key) {\n _defineProperty(target, key, source[key]);\n });\n }\n\n return target;\n}\n\nfunction _inherits(subClass, superClass) {\n if (typeof superClass !== \"function\" && superClass !== null) {\n throw new TypeError(\"Super expression must either be null or a function\");\n }\n\n subClass.prototype = Object.create(superClass && superClass.prototype, {\n constructor: {\n value: subClass,\n writable: true,\n configurable: true\n }\n });\n Object.defineProperty(subClass, \"prototype\", {\n writable: false\n });\n if (superClass) _setPrototypeOf(subClass, superClass);\n}\n\nfunction _inheritsLoose(subClass, superClass) {\n subClass.prototype = Object.create(superClass.prototype);\n subClass.prototype.constructor = subClass;\n\n _setPrototypeOf(subClass, superClass);\n}\n\nfunction _getPrototypeOf(o) {\n _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) {\n return o.__proto__ || Object.getPrototypeOf(o);\n };\n return _getPrototypeOf(o);\n}\n\nfunction _setPrototypeOf(o, p) {\n _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) {\n o.__proto__ = p;\n return o;\n };\n\n return _setPrototypeOf(o, p);\n}\n\nfunction _isNativeReflectConstruct() {\n if (typeof Reflect === \"undefined\" || !Reflect.construct) return false;\n if (Reflect.construct.sham) return false;\n if (typeof Proxy === \"function\") return true;\n\n try {\n Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {}));\n return true;\n } catch (e) {\n return false;\n }\n}\n\nfunction _construct(Parent, args, Class) {\n if (_isNativeReflectConstruct()) {\n _construct = Reflect.construct;\n } else {\n _construct = function _construct(Parent, args, Class) {\n var a = [null];\n a.push.apply(a, args);\n var Constructor = Function.bind.apply(Parent, a);\n var instance = new Constructor();\n if (Class) _setPrototypeOf(instance, Class.prototype);\n return instance;\n };\n }\n\n return _construct.apply(null, arguments);\n}\n\nfunction _isNativeFunction(fn) {\n return Function.toString.call(fn).indexOf(\"[native code]\") !== -1;\n}\n\nfunction _wrapNativeSuper(Class) {\n var _cache = typeof Map === \"function\" ? new Map() : undefined;\n\n _wrapNativeSuper = function _wrapNativeSuper(Class) {\n if (Class === null || !_isNativeFunction(Class)) return Class;\n\n if (typeof Class !== \"function\") {\n throw new TypeError(\"Super expression must either be null or a function\");\n }\n\n if (typeof _cache !== \"undefined\") {\n if (_cache.has(Class)) return _cache.get(Class);\n\n _cache.set(Class, Wrapper);\n }\n\n function Wrapper() {\n return _construct(Class, arguments, _getPrototypeOf(this).constructor);\n }\n\n Wrapper.prototype = Object.create(Class.prototype, {\n constructor: {\n value: Wrapper,\n enumerable: false,\n writable: true,\n configurable: true\n }\n });\n return _setPrototypeOf(Wrapper, Class);\n };\n\n return _wrapNativeSuper(Class);\n}\n\nfunction _instanceof(left, right) {\n if (right != null && typeof Symbol !== \"undefined\" && right[Symbol.hasInstance]) {\n return !!right[Symbol.hasInstance](left);\n } else {\n return left instanceof right;\n }\n}\n\nfunction _interopRequireDefault(obj) {\n return obj && obj.__esModule ? obj : {\n \"default\": obj\n };\n}\n\nfunction _getRequireWildcardCache(nodeInterop) {\n if (typeof WeakMap !== \"function\") return null;\n var cacheBabelInterop = new WeakMap();\n var cacheNodeInterop = new WeakMap();\n return (_getRequireWildcardCache = function _getRequireWildcardCache(nodeInterop) {\n return nodeInterop ? cacheNodeInterop : cacheBabelInterop;\n })(nodeInterop);\n}\n\nfunction _interopRequireWildcard(obj, nodeInterop) {\n if (!nodeInterop && obj && obj.__esModule) {\n return obj;\n }\n\n if (obj === null || _typeof2(obj) !== \"object\" && typeof obj !== \"function\") {\n return {\n \"default\": obj\n };\n }\n\n var cache = _getRequireWildcardCache(nodeInterop);\n\n if (cache && cache.has(obj)) {\n return cache.get(obj);\n }\n\n var newObj = {};\n var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor;\n\n for (var key in obj) {\n if (key !== \"default\" && Object.prototype.hasOwnProperty.call(obj, key)) {\n var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null;\n\n if (desc && (desc.get || desc.set)) {\n Object.defineProperty(newObj, key, desc);\n } else {\n newObj[key] = obj[key];\n }\n }\n }\n\n newObj[\"default\"] = obj;\n\n if (cache) {\n cache.set(obj, newObj);\n }\n\n return newObj;\n}\n\nfunction _newArrowCheck(innerThis, boundThis) {\n if (innerThis !== boundThis) {\n throw new TypeError(\"Cannot instantiate an arrow function\");\n }\n}\n\nfunction _objectDestructuringEmpty(obj) {\n if (obj == null) throw new TypeError(\"Cannot destructure undefined\");\n}\n\nfunction _objectWithoutPropertiesLoose(source, excluded) {\n if (source == null) return {};\n var target = {};\n var sourceKeys = Object.keys(source);\n var key, i;\n\n for (i = 0; i < sourceKeys.length; i++) {\n key = sourceKeys[i];\n if (excluded.indexOf(key) >= 0) continue;\n target[key] = source[key];\n }\n\n return target;\n}\n\nfunction _objectWithoutProperties(source, excluded) {\n if (source == null) return {};\n\n var target = _objectWithoutPropertiesLoose(source, excluded);\n\n var key, i;\n\n if (Object.getOwnPropertySymbols) {\n var sourceSymbolKeys = Object.getOwnPropertySymbols(source);\n\n for (i = 0; i < sourceSymbolKeys.length; i++) {\n key = sourceSymbolKeys[i];\n if (excluded.indexOf(key) >= 0) continue;\n if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue;\n target[key] = source[key];\n }\n }\n\n return target;\n}\n\nfunction _assertThisInitialized(self) {\n if (self === void 0) {\n throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\");\n }\n\n return self;\n}\n\nfunction _possibleConstructorReturn(self, call) {\n if (call && (_typeof2(call) === \"object\" || typeof call === \"function\")) {\n return call;\n } else if (call !== void 0) {\n throw new TypeError(\"Derived constructors may only return object or undefined\");\n }\n\n return _assertThisInitialized(self);\n}\n\nfunction _createSuper(Derived) {\n var hasNativeReflectConstruct = _isNativeReflectConstruct();\n\n return function _createSuperInternal() {\n var Super = _getPrototypeOf(Derived),\n result;\n\n if (hasNativeReflectConstruct) {\n var NewTarget = _getPrototypeOf(this).constructor;\n\n result = Reflect.construct(Super, arguments, NewTarget);\n } else {\n result = Super.apply(this, arguments);\n }\n\n return _possibleConstructorReturn(this, result);\n };\n}\n\nfunction _superPropBase(object, property) {\n while (!Object.prototype.hasOwnProperty.call(object, property)) {\n object = _getPrototypeOf(object);\n if (object === null) break;\n }\n\n return object;\n}\n\nfunction _get() {\n if (typeof Reflect !== \"undefined\" && Reflect.get) {\n _get = Reflect.get;\n } else {\n _get = function _get(target, property, receiver) {\n var base = _superPropBase(target, property);\n\n if (!base) return;\n var desc = Object.getOwnPropertyDescriptor(base, property);\n\n if (desc.get) {\n return desc.get.call(arguments.length < 3 ? target : receiver);\n }\n\n return desc.value;\n };\n }\n\n return _get.apply(this, arguments);\n}\n\nfunction set(target, property, value, receiver) {\n if (typeof Reflect !== \"undefined\" && Reflect.set) {\n set = Reflect.set;\n } else {\n set = function set(target, property, value, receiver) {\n var base = _superPropBase(target, property);\n\n var desc;\n\n if (base) {\n desc = Object.getOwnPropertyDescriptor(base, property);\n\n if (desc.set) {\n desc.set.call(receiver, value);\n return true;\n } else if (!desc.writable) {\n return false;\n }\n }\n\n desc = Object.getOwnPropertyDescriptor(receiver, property);\n\n if (desc) {\n if (!desc.writable) {\n return false;\n }\n\n desc.value = value;\n Object.defineProperty(receiver, property, desc);\n } else {\n _defineProperty(receiver, property, value);\n }\n\n return true;\n };\n }\n\n return set(target, property, value, receiver);\n}\n\nfunction _set(target, property, value, receiver, isStrict) {\n var s = set(target, property, value, receiver || target);\n\n if (!s && isStrict) {\n throw new Error('failed to set property');\n }\n\n return value;\n}\n\nfunction _taggedTemplateLiteral(strings, raw) {\n if (!raw) {\n raw = strings.slice(0);\n }\n\n return Object.freeze(Object.defineProperties(strings, {\n raw: {\n value: Object.freeze(raw)\n }\n }));\n}\n\nfunction _taggedTemplateLiteralLoose(strings, raw) {\n if (!raw) {\n raw = strings.slice(0);\n }\n\n strings.raw = raw;\n return strings;\n}\n\nfunction _readOnlyError(name) {\n throw new TypeError(\"\\\"\" + name + \"\\\" is read-only\");\n}\n\nfunction _writeOnlyError(name) {\n throw new TypeError(\"\\\"\" + name + \"\\\" is write-only\");\n}\n\nfunction _classNameTDZError(name) {\n throw new Error(\"Class \\\"\" + name + \"\\\" cannot be referenced in computed property keys.\");\n}\n\nfunction _temporalUndefined() {}\n\nfunction _tdz(name) {\n throw new ReferenceError(name + \" is not defined - temporal dead zone\");\n}\n\nfunction _temporalRef(val, name) {\n return val === _temporalUndefined ? _tdz(name) : val;\n}\n\nfunction _slicedToArray(arr, i) {\n return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest();\n}\n\nfunction _slicedToArrayLoose(arr, i) {\n return _arrayWithHoles(arr) || _iterableToArrayLimitLoose(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest();\n}\n\nfunction _toArray(arr) {\n return _arrayWithHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableRest();\n}\n\nfunction _toConsumableArray(arr) {\n return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread();\n}\n\nfunction _arrayWithoutHoles(arr) {\n if (Array.isArray(arr)) return _arrayLikeToArray(arr);\n}\n\nfunction _arrayWithHoles(arr) {\n if (Array.isArray(arr)) return arr;\n}\n\nfunction _maybeArrayLike(next, arr, i) {\n if (arr && !Array.isArray(arr) && typeof arr.length === \"number\") {\n var len = arr.length;\n return _arrayLikeToArray(arr, i !== void 0 && i < len ? i : len);\n }\n\n return next(arr, i);\n}\n\nfunction _iterableToArray(iter) {\n if (typeof Symbol !== \"undefined\" && iter[Symbol.iterator] != null || iter[\"@@iterator\"] != null) return Array.from(iter);\n}\n\nfunction _iterableToArrayLimit(arr, i) {\n var _i = arr == null ? null : typeof Symbol !== \"undefined\" && arr[Symbol.iterator] || arr[\"@@iterator\"];\n\n if (_i == null) return;\n var _arr = [];\n var _n = true;\n var _d = false;\n\n var _s, _e;\n\n try {\n for (_i = _i.call(arr); !(_n = (_s = _i.next()).done); _n = true) {\n _arr.push(_s.value);\n\n if (i && _arr.length === i) break;\n }\n } catch (err) {\n _d = true;\n _e = err;\n } finally {\n try {\n if (!_n && _i[\"return\"] != null) _i[\"return\"]();\n } finally {\n if (_d) throw _e;\n }\n }\n\n return _arr;\n}\n\nfunction _iterableToArrayLimitLoose(arr, i) {\n var _i = arr && (typeof Symbol !== \"undefined\" && arr[Symbol.iterator] || arr[\"@@iterator\"]);\n\n if (_i == null) return;\n var _arr = [];\n\n for (_i = _i.call(arr), _step; !(_step = _i.next()).done;) {\n _arr.push(_step.value);\n\n if (i && _arr.length === i) break;\n }\n\n return _arr;\n}\n\nfunction _unsupportedIterableToArray(o, minLen) {\n if (!o) return;\n if (typeof o === \"string\") return _arrayLikeToArray(o, minLen);\n var n = Object.prototype.toString.call(o).slice(8, -1);\n if (n === \"Object\" && o.constructor) n = o.constructor.name;\n if (n === \"Map\" || n === \"Set\") return Array.from(o);\n if (n === \"Arguments\" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen);\n}\n\nfunction _arrayLikeToArray(arr, len) {\n if (len == null || len > arr.length) len = arr.length;\n\n for (var i = 0, arr2 = new Array(len); i < len; i++) {\n arr2[i] = arr[i];\n }\n\n return arr2;\n}\n\nfunction _nonIterableSpread() {\n throw new TypeError(\"Invalid attempt to spread non-iterable instance.\\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.\");\n}\n\nfunction _nonIterableRest() {\n throw new TypeError(\"Invalid attempt to destructure non-iterable instance.\\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.\");\n}\n\nfunction _createForOfIteratorHelper(o, allowArrayLike) {\n var it = typeof Symbol !== \"undefined\" && o[Symbol.iterator] || o[\"@@iterator\"];\n\n if (!it) {\n if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === \"number\") {\n if (it) o = it;\n var i = 0;\n\n var F = function F() {};\n\n return {\n s: F,\n n: function n() {\n if (i >= o.length) return {\n done: true\n };\n return {\n done: false,\n value: o[i++]\n };\n },\n e: function e(_e2) {\n throw _e2;\n },\n f: F\n };\n }\n\n throw new TypeError(\"Invalid attempt to iterate non-iterable instance.\\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.\");\n }\n\n var normalCompletion = true,\n didErr = false,\n err;\n return {\n s: function s() {\n it = it.call(o);\n },\n n: function n() {\n var step = it.next();\n normalCompletion = step.done;\n return step;\n },\n e: function e(_e3) {\n didErr = true;\n err = _e3;\n },\n f: function f() {\n try {\n if (!normalCompletion && it[\"return\"] != null) it[\"return\"]();\n } finally {\n if (didErr) throw err;\n }\n }\n };\n}\n\nfunction _createForOfIteratorHelperLoose(o, allowArrayLike) {\n var it = typeof Symbol !== \"undefined\" && o[Symbol.iterator] || o[\"@@iterator\"];\n if (it) return (it = it.call(o)).next.bind(it);\n\n if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === \"number\") {\n if (it) o = it;\n var i = 0;\n return function () {\n if (i >= o.length) return {\n done: true\n };\n return {\n done: false,\n value: o[i++]\n };\n };\n }\n\n throw new TypeError(\"Invalid attempt to iterate non-iterable instance.\\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.\");\n}\n\nfunction _skipFirstGeneratorNext(fn) {\n return function () {\n var it = fn.apply(this, arguments);\n it.next();\n return it;\n };\n}\n\nfunction _toPrimitive(input, hint) {\n if (_typeof2(input) !== \"object\" || input === null) return input;\n var prim = input[Symbol.toPrimitive];\n\n if (prim !== undefined) {\n var res = prim.call(input, hint || \"default\");\n if (_typeof2(res) !== \"object\") return res;\n throw new TypeError(\"@@toPrimitive must return a primitive value.\");\n }\n\n return (hint === \"string\" ? String : Number)(input);\n}\n\nfunction _toPropertyKey(arg) {\n var key = _toPrimitive(arg, \"string\");\n\n return _typeof2(key) === \"symbol\" ? key : String(key);\n}\n\nfunction _initializerWarningHelper(descriptor, context) {\n throw new Error('Decorating class property failed. Please ensure that ' + 'proposal-class-properties is enabled and runs after the decorators transform.');\n}\n\nfunction _initializerDefineProperty(target, property, descriptor, context) {\n if (!descriptor) return;\n Object.defineProperty(target, property, {\n enumerable: descriptor.enumerable,\n configurable: descriptor.configurable,\n writable: descriptor.writable,\n value: descriptor.initializer ? descriptor.initializer.call(context) : void 0\n });\n}\n\nfunction _applyDecoratedDescriptor(target, property, decorators, descriptor, context) {\n var desc = {};\n Object.keys(descriptor).forEach(function (key) {\n desc[key] = descriptor[key];\n });\n desc.enumerable = !!desc.enumerable;\n desc.configurable = !!desc.configurable;\n\n if ('value' in desc || desc.initializer) {\n desc.writable = true;\n }\n\n desc = decorators.slice().reverse().reduce(function (desc, decorator) {\n return decorator(target, property, desc) || desc;\n }, desc);\n\n if (context && desc.initializer !== void 0) {\n desc.value = desc.initializer ? desc.initializer.call(context) : void 0;\n desc.initializer = undefined;\n }\n\n if (desc.initializer === void 0) {\n Object.defineProperty(target, property, desc);\n desc = null;\n }\n\n return desc;\n}\n\nvar id$2 = 0;\n\nfunction _classPrivateFieldLooseKey(name) {\n return \"__private_\" + id$2++ + \"_\" + name;\n}\n\nfunction _classPrivateFieldLooseBase(receiver, privateKey) {\n if (!Object.prototype.hasOwnProperty.call(receiver, privateKey)) {\n throw new TypeError(\"attempted to use private field on non-instance\");\n }\n\n return receiver;\n}\n\nfunction _classPrivateFieldGet(receiver, privateMap) {\n var descriptor = _classExtractFieldDescriptor(receiver, privateMap, \"get\");\n\n return _classApplyDescriptorGet(receiver, descriptor);\n}\n\nfunction _classPrivateFieldSet(receiver, privateMap, value) {\n var descriptor = _classExtractFieldDescriptor(receiver, privateMap, \"set\");\n\n _classApplyDescriptorSet(receiver, descriptor, value);\n\n return value;\n}\n\nfunction _classPrivateFieldDestructureSet(receiver, privateMap) {\n var descriptor = _classExtractFieldDescriptor(receiver, privateMap, \"set\");\n\n return _classApplyDescriptorDestructureSet(receiver, descriptor);\n}\n\nfunction _classExtractFieldDescriptor(receiver, privateMap, action) {\n if (!privateMap.has(receiver)) {\n throw new TypeError(\"attempted to \" + action + \" private field on non-instance\");\n }\n\n return privateMap.get(receiver);\n}\n\nfunction _classStaticPrivateFieldSpecGet(receiver, classConstructor, descriptor) {\n _classCheckPrivateStaticAccess(receiver, classConstructor);\n\n _classCheckPrivateStaticFieldDescriptor(descriptor, \"get\");\n\n return _classApplyDescriptorGet(receiver, descriptor);\n}\n\nfunction _classStaticPrivateFieldSpecSet(receiver, classConstructor, descriptor, value) {\n _classCheckPrivateStaticAccess(receiver, classConstructor);\n\n _classCheckPrivateStaticFieldDescriptor(descriptor, \"set\");\n\n _classApplyDescriptorSet(receiver, descriptor, value);\n\n return value;\n}\n\nfunction _classStaticPrivateMethodGet(receiver, classConstructor, method) {\n _classCheckPrivateStaticAccess(receiver, classConstructor);\n\n return method;\n}\n\nfunction _classStaticPrivateMethodSet() {\n throw new TypeError(\"attempted to set read only static private field\");\n}\n\nfunction _classApplyDescriptorGet(receiver, descriptor) {\n if (descriptor.get) {\n return descriptor.get.call(receiver);\n }\n\n return descriptor.value;\n}\n\nfunction _classApplyDescriptorSet(receiver, descriptor, value) {\n if (descriptor.set) {\n descriptor.set.call(receiver, value);\n } else {\n if (!descriptor.writable) {\n throw new TypeError(\"attempted to set read only private field\");\n }\n\n descriptor.value = value;\n }\n}\n\nfunction _classApplyDescriptorDestructureSet(receiver, descriptor) {\n if (descriptor.set) {\n if (!(\"__destrObj\" in descriptor)) {\n descriptor.__destrObj = {\n set value(v) {\n descriptor.set.call(receiver, v);\n }\n\n };\n }\n\n return descriptor.__destrObj;\n } else {\n if (!descriptor.writable) {\n throw new TypeError(\"attempted to set read only private field\");\n }\n\n return descriptor;\n }\n}\n\nfunction _classStaticPrivateFieldDestructureSet(receiver, classConstructor, descriptor) {\n _classCheckPrivateStaticAccess(receiver, classConstructor);\n\n _classCheckPrivateStaticFieldDescriptor(descriptor, \"set\");\n\n return _classApplyDescriptorDestructureSet(receiver, descriptor);\n}\n\nfunction _classCheckPrivateStaticAccess(receiver, classConstructor) {\n if (receiver !== classConstructor) {\n throw new TypeError(\"Private static access of wrong provenance\");\n }\n}\n\nfunction _classCheckPrivateStaticFieldDescriptor(descriptor, action) {\n if (descriptor === undefined) {\n throw new TypeError(\"attempted to \" + action + \" private static field before its declaration\");\n }\n}\n\nfunction _decorate(decorators, factory, superClass, mixins) {\n var api = _getDecoratorsApi();\n\n if (mixins) {\n for (var i = 0; i < mixins.length; i++) {\n api = mixins[i](api);\n }\n }\n\n var r = factory(function initialize(O) {\n api.initializeInstanceElements(O, decorated.elements);\n }, superClass);\n var decorated = api.decorateClass(_coalesceClassElements(r.d.map(_createElementDescriptor)), decorators);\n api.initializeClassElements(r.F, decorated.elements);\n return api.runClassFinishers(r.F, decorated.finishers);\n}\n\nfunction _getDecoratorsApi() {\n _getDecoratorsApi = function _getDecoratorsApi() {\n return api;\n };\n\n var api = {\n elementsDefinitionOrder: [[\"method\"], [\"field\"]],\n initializeInstanceElements: function initializeInstanceElements(O, elements) {\n [\"method\", \"field\"].forEach(function (kind) {\n elements.forEach(function (element) {\n if (element.kind === kind && element.placement === \"own\") {\n this.defineClassElement(O, element);\n }\n }, this);\n }, this);\n },\n initializeClassElements: function initializeClassElements(F, elements) {\n var proto = F.prototype;\n [\"method\", \"field\"].forEach(function (kind) {\n elements.forEach(function (element) {\n var placement = element.placement;\n\n if (element.kind === kind && (placement === \"static\" || placement === \"prototype\")) {\n var receiver = placement === \"static\" ? F : proto;\n this.defineClassElement(receiver, element);\n }\n }, this);\n }, this);\n },\n defineClassElement: function defineClassElement(receiver, element) {\n var descriptor = element.descriptor;\n\n if (element.kind === \"field\") {\n var initializer = element.initializer;\n descriptor = {\n enumerable: descriptor.enumerable,\n writable: descriptor.writable,\n configurable: descriptor.configurable,\n value: initializer === void 0 ? void 0 : initializer.call(receiver)\n };\n }\n\n Object.defineProperty(receiver, element.key, descriptor);\n },\n decorateClass: function decorateClass(elements, decorators) {\n var newElements = [];\n var finishers = [];\n var placements = {\n \"static\": [],\n prototype: [],\n own: []\n };\n elements.forEach(function (element) {\n this.addElementPlacement(element, placements);\n }, this);\n elements.forEach(function (element) {\n if (!_hasDecorators(element)) return newElements.push(element);\n var elementFinishersExtras = this.decorateElement(element, placements);\n newElements.push(elementFinishersExtras.element);\n newElements.push.apply(newElements, elementFinishersExtras.extras);\n finishers.push.apply(finishers, elementFinishersExtras.finishers);\n }, this);\n\n if (!decorators) {\n return {\n elements: newElements,\n finishers: finishers\n };\n }\n\n var result = this.decorateConstructor(newElements, decorators);\n finishers.push.apply(finishers, result.finishers);\n result.finishers = finishers;\n return result;\n },\n addElementPlacement: function addElementPlacement(element, placements, silent) {\n var keys = placements[element.placement];\n\n if (!silent && keys.indexOf(element.key) !== -1) {\n throw new TypeError(\"Duplicated element (\" + element.key + \")\");\n }\n\n keys.push(element.key);\n },\n decorateElement: function decorateElement(element, placements) {\n var extras = [];\n var finishers = [];\n\n for (var decorators = element.decorators, i = decorators.length - 1; i >= 0; i--) {\n var keys = placements[element.placement];\n keys.splice(keys.indexOf(element.key), 1);\n var elementObject = this.fromElementDescriptor(element);\n var elementFinisherExtras = this.toElementFinisherExtras((0, decorators[i])(elementObject) || elementObject);\n element = elementFinisherExtras.element;\n this.addElementPlacement(element, placements);\n\n if (elementFinisherExtras.finisher) {\n finishers.push(elementFinisherExtras.finisher);\n }\n\n var newExtras = elementFinisherExtras.extras;\n\n if (newExtras) {\n for (var j = 0; j < newExtras.length; j++) {\n this.addElementPlacement(newExtras[j], placements);\n }\n\n extras.push.apply(extras, newExtras);\n }\n }\n\n return {\n element: element,\n finishers: finishers,\n extras: extras\n };\n },\n decorateConstructor: function decorateConstructor(elements, decorators) {\n var finishers = [];\n\n for (var i = decorators.length - 1; i >= 0; i--) {\n var obj = this.fromClassDescriptor(elements);\n var elementsAndFinisher = this.toClassDescriptor((0, decorators[i])(obj) || obj);\n\n if (elementsAndFinisher.finisher !== undefined) {\n finishers.push(elementsAndFinisher.finisher);\n }\n\n if (elementsAndFinisher.elements !== undefined) {\n elements = elementsAndFinisher.elements;\n\n for (var j = 0; j < elements.length - 1; j++) {\n for (var k = j + 1; k < elements.length; k++) {\n if (elements[j].key === elements[k].key && elements[j].placement === elements[k].placement) {\n throw new TypeError(\"Duplicated element (\" + elements[j].key + \")\");\n }\n }\n }\n }\n }\n\n return {\n elements: elements,\n finishers: finishers\n };\n },\n fromElementDescriptor: function fromElementDescriptor(element) {\n var obj = {\n kind: element.kind,\n key: element.key,\n placement: element.placement,\n descriptor: element.descriptor\n };\n var desc = {\n value: \"Descriptor\",\n configurable: true\n };\n Object.defineProperty(obj, Symbol.toStringTag, desc);\n if (element.kind === \"field\") obj.initializer = element.initializer;\n return obj;\n },\n toElementDescriptors: function toElementDescriptors(elementObjects) {\n if (elementObjects === undefined) return;\n return _toArray(elementObjects).map(function (elementObject) {\n var element = this.toElementDescriptor(elementObject);\n this.disallowProperty(elementObject, \"finisher\", \"An element descriptor\");\n this.disallowProperty(elementObject, \"extras\", \"An element descriptor\");\n return element;\n }, this);\n },\n toElementDescriptor: function toElementDescriptor(elementObject) {\n var kind = String(elementObject.kind);\n\n if (kind !== \"method\" && kind !== \"field\") {\n throw new TypeError('An element descriptor\\'s .kind property must be either \"method\" or' + ' \"field\", but a decorator created an element descriptor with' + ' .kind \"' + kind + '\"');\n }\n\n var key = _toPropertyKey(elementObject.key);\n\n var placement = String(elementObject.placement);\n\n if (placement !== \"static\" && placement !== \"prototype\" && placement !== \"own\") {\n throw new TypeError('An element descriptor\\'s .placement property must be one of \"static\",' + ' \"prototype\" or \"own\", but a decorator created an element descriptor' + ' with .placement \"' + placement + '\"');\n }\n\n var descriptor = elementObject.descriptor;\n this.disallowProperty(elementObject, \"elements\", \"An element descriptor\");\n var element = {\n kind: kind,\n key: key,\n placement: placement,\n descriptor: Object.assign({}, descriptor)\n };\n\n if (kind !== \"field\") {\n this.disallowProperty(elementObject, \"initializer\", \"A method descriptor\");\n } else {\n this.disallowProperty(descriptor, \"get\", \"The property descriptor of a field descriptor\");\n this.disallowProperty(descriptor, \"set\", \"The property descriptor of a field descriptor\");\n this.disallowProperty(descriptor, \"value\", \"The property descriptor of a field descriptor\");\n element.initializer = elementObject.initializer;\n }\n\n return element;\n },\n toElementFinisherExtras: function toElementFinisherExtras(elementObject) {\n var element = this.toElementDescriptor(elementObject);\n\n var finisher = _optionalCallableProperty(elementObject, \"finisher\");\n\n var extras = this.toElementDescriptors(elementObject.extras);\n return {\n element: element,\n finisher: finisher,\n extras: extras\n };\n },\n fromClassDescriptor: function fromClassDescriptor(elements) {\n var obj = {\n kind: \"class\",\n elements: elements.map(this.fromElementDescriptor, this)\n };\n var desc = {\n value: \"Descriptor\",\n configurable: true\n };\n Object.defineProperty(obj, Symbol.toStringTag, desc);\n return obj;\n },\n toClassDescriptor: function toClassDescriptor(obj) {\n var kind = String(obj.kind);\n\n if (kind !== \"class\") {\n throw new TypeError('A class descriptor\\'s .kind property must be \"class\", but a decorator' + ' created a class descriptor with .kind \"' + kind + '\"');\n }\n\n this.disallowProperty(obj, \"key\", \"A class descriptor\");\n this.disallowProperty(obj, \"placement\", \"A class descriptor\");\n this.disallowProperty(obj, \"descriptor\", \"A class descriptor\");\n this.disallowProperty(obj, \"initializer\", \"A class descriptor\");\n this.disallowProperty(obj, \"extras\", \"A class descriptor\");\n\n var finisher = _optionalCallableProperty(obj, \"finisher\");\n\n var elements = this.toElementDescriptors(obj.elements);\n return {\n elements: elements,\n finisher: finisher\n };\n },\n runClassFinishers: function runClassFinishers(constructor, finishers) {\n for (var i = 0; i < finishers.length; i++) {\n var newConstructor = (0, finishers[i])(constructor);\n\n if (newConstructor !== undefined) {\n if (typeof newConstructor !== \"function\") {\n throw new TypeError(\"Finishers must return a constructor.\");\n }\n\n constructor = newConstructor;\n }\n }\n\n return constructor;\n },\n disallowProperty: function disallowProperty(obj, name, objectType) {\n if (obj[name] !== undefined) {\n throw new TypeError(objectType + \" can't have a .\" + name + \" property.\");\n }\n }\n };\n return api;\n}\n\nfunction _createElementDescriptor(def) {\n var key = _toPropertyKey(def.key);\n\n var descriptor;\n\n if (def.kind === \"method\") {\n descriptor = {\n value: def.value,\n writable: true,\n configurable: true,\n enumerable: false\n };\n } else if (def.kind === \"get\") {\n descriptor = {\n get: def.value,\n configurable: true,\n enumerable: false\n };\n } else if (def.kind === \"set\") {\n descriptor = {\n set: def.value,\n configurable: true,\n enumerable: false\n };\n } else if (def.kind === \"field\") {\n descriptor = {\n configurable: true,\n writable: true,\n enumerable: true\n };\n }\n\n var element = {\n kind: def.kind === \"field\" ? \"field\" : \"method\",\n key: key,\n placement: def[\"static\"] ? \"static\" : def.kind === \"field\" ? \"own\" : \"prototype\",\n descriptor: descriptor\n };\n if (def.decorators) element.decorators = def.decorators;\n if (def.kind === \"field\") element.initializer = def.value;\n return element;\n}\n\nfunction _coalesceGetterSetter(element, other) {\n if (element.descriptor.get !== undefined) {\n other.descriptor.get = element.descriptor.get;\n } else {\n other.descriptor.set = element.descriptor.set;\n }\n}\n\nfunction _coalesceClassElements(elements) {\n var newElements = [];\n\n var isSameElement = function isSameElement(other) {\n return other.kind === \"method\" && other.key === element.key && other.placement === element.placement;\n };\n\n for (var i = 0; i < elements.length; i++) {\n var element = elements[i];\n var other;\n\n if (element.kind === \"method\" && (other = newElements.find(isSameElement))) {\n if (_isDataDescriptor(element.descriptor) || _isDataDescriptor(other.descriptor)) {\n if (_hasDecorators(element) || _hasDecorators(other)) {\n throw new ReferenceError(\"Duplicated methods (\" + element.key + \") can't be decorated.\");\n }\n\n other.descriptor = element.descriptor;\n } else {\n if (_hasDecorators(element)) {\n if (_hasDecorators(other)) {\n throw new ReferenceError(\"Decorators can't be placed on different accessors with for \" + \"the same property (\" + element.key + \").\");\n }\n\n other.decorators = element.decorators;\n }\n\n _coalesceGetterSetter(element, other);\n }\n } else {\n newElements.push(element);\n }\n }\n\n return newElements;\n}\n\nfunction _hasDecorators(element) {\n return element.decorators && element.decorators.length;\n}\n\nfunction _isDataDescriptor(desc) {\n return desc !== undefined && !(desc.value === undefined && desc.writable === undefined);\n}\n\nfunction _optionalCallableProperty(obj, name) {\n var value = obj[name];\n\n if (value !== undefined && typeof value !== \"function\") {\n throw new TypeError(\"Expected '\" + name + \"' to be a function\");\n }\n\n return value;\n}\n\nfunction _classPrivateMethodGet(receiver, privateSet, fn) {\n if (!privateSet.has(receiver)) {\n throw new TypeError(\"attempted to get private field on non-instance\");\n }\n\n return fn;\n}\n\nfunction _checkPrivateRedeclaration(obj, privateCollection) {\n if (privateCollection.has(obj)) {\n throw new TypeError(\"Cannot initialize the same private elements twice on an object\");\n }\n}\n\nfunction _classPrivateFieldInitSpec(obj, privateMap, value) {\n _checkPrivateRedeclaration(obj, privateMap);\n\n privateMap.set(obj, value);\n}\n\nfunction _classPrivateMethodInitSpec(obj, privateSet) {\n _checkPrivateRedeclaration(obj, privateSet);\n\n privateSet.add(obj);\n}\n\nfunction _classPrivateMethodSet() {\n throw new TypeError(\"attempted to reassign private method\");\n}\n\nfunction _identity(x) {\n return x;\n}\n\nvar BasicObject = /*#__PURE__*/function () {\n function BasicObject() {\n _classCallCheck2(this, BasicObject);\n }\n\n _createClass2(BasicObject, null, [{\n key: \"proxyMethod\",\n value: function proxyMethod(expression) {\n var _parseProxyMethodExpr = parseProxyMethodExpression(expression),\n name = _parseProxyMethodExpr.name,\n toMethod = _parseProxyMethodExpr.toMethod,\n toProperty = _parseProxyMethodExpr.toProperty,\n optional = _parseProxyMethodExpr.optional;\n\n this.prototype[name] = function () {\n var subject;\n var object;\n\n if (toMethod) {\n if (optional) {\n var _this$toMethod;\n\n object = (_this$toMethod = this[toMethod]) === null || _this$toMethod === void 0 ? void 0 : _this$toMethod.call(this);\n } else {\n object = this[toMethod]();\n }\n } else if (toProperty) {\n object = this[toProperty];\n }\n\n if (optional) {\n var _object;\n\n subject = (_object = object) === null || _object === void 0 ? void 0 : _object[name];\n\n if (subject) {\n return apply.call(subject, object, arguments);\n }\n } else {\n subject = object[name];\n return apply.call(subject, object, arguments);\n }\n };\n }\n }]);\n\n return BasicObject;\n}();\n\nvar parseProxyMethodExpression = function parseProxyMethodExpression(expression) {\n var match = expression.match(proxyMethodExpressionPattern);\n\n if (!match) {\n throw new Error(\"can't parse @proxyMethod expression: \".concat(expression));\n }\n\n var args = {\n name: match[4]\n };\n\n if (match[2] != null) {\n args.toMethod = match[1];\n } else {\n args.toProperty = match[1];\n }\n\n if (match[3] != null) {\n args.optional = true;\n }\n\n return args;\n};\n\nvar apply = Function.prototype.apply;\nvar proxyMethodExpressionPattern = new RegExp(\"\\\n^\\\n(.+?)\\\n(\\\\(\\\\))?\\\n(\\\\?)?\\\n\\\\.\\\n(.+?)\\\n$\\\n\");\n\nvar _Array$from, _$codePointAt$1, _$1, _String$fromCodePoint;\n\nvar UTF16String = /*#__PURE__*/function (_BasicObject) {\n _inherits2(UTF16String, _BasicObject);\n\n var _super2 = _createSuper2(UTF16String);\n\n function UTF16String(ucs2String, codepoints) {\n var _this2;\n\n _classCallCheck2(this, UTF16String);\n\n _this2 = _super2.apply(this, arguments);\n _this2.ucs2String = ucs2String;\n _this2.codepoints = codepoints;\n _this2.length = _this2.codepoints.length;\n _this2.ucs2Length = _this2.ucs2String.length;\n return _this2;\n }\n\n _createClass2(UTF16String, [{\n key: \"offsetToUCS2Offset\",\n value: function offsetToUCS2Offset(offset) {\n return ucs2encode(this.codepoints.slice(0, Math.max(0, offset))).length;\n }\n }, {\n key: \"offsetFromUCS2Offset\",\n value: function offsetFromUCS2Offset(ucs2Offset) {\n return ucs2decode(this.ucs2String.slice(0, Math.max(0, ucs2Offset))).length;\n }\n }, {\n key: \"slice\",\n value: function slice() {\n var _this$codepoints;\n\n return this.constructor.fromCodepoints((_this$codepoints = this.codepoints).slice.apply(_this$codepoints, arguments));\n }\n }, {\n key: \"charAt\",\n value: function charAt(offset) {\n return this.slice(offset, offset + 1);\n }\n }, {\n key: \"isEqualTo\",\n value: function isEqualTo(value) {\n return this.constructor.box(value).ucs2String === this.ucs2String;\n }\n }, {\n key: \"toJSON\",\n value: function toJSON() {\n return this.ucs2String;\n }\n }, {\n key: \"getCacheKey\",\n value: function getCacheKey() {\n return this.ucs2String;\n }\n }, {\n key: \"toString\",\n value: function toString() {\n return this.ucs2String;\n }\n }], [{\n key: \"box\",\n value: function box() {\n var value = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : \"\";\n\n if (value instanceof this) {\n return value;\n } else {\n return this.fromUCS2String(value === null || value === void 0 ? void 0 : value.toString());\n }\n }\n }, {\n key: \"fromUCS2String\",\n value: function fromUCS2String(ucs2String) {\n return new this(ucs2String, ucs2decode(ucs2String));\n }\n }, {\n key: \"fromCodepoints\",\n value: function fromCodepoints(codepoints) {\n return new this(ucs2encode(codepoints), codepoints);\n }\n }]);\n\n return UTF16String;\n}(BasicObject);\n\nvar hasArrayFrom = ((_Array$from = Array.from) === null || _Array$from === void 0 ? void 0 : _Array$from.call(Array, \"\\uD83D\\uDC7C\").length) === 1;\nvar hasStringCodePointAt$1 = ((_$codePointAt$1 = (_$1 = \" \").codePointAt) === null || _$codePointAt$1 === void 0 ? void 0 : _$codePointAt$1.call(_$1, 0)) != null;\nvar hasStringFromCodePoint = ((_String$fromCodePoint = String.fromCodePoint) === null || _String$fromCodePoint === void 0 ? void 0 : _String$fromCodePoint.call(String, 32, 128124)) === \" \\uD83D\\uDC7C\"; // UCS-2 conversion helpers ported from Mathias Bynens' Punycode.js:\n// https://github.com/bestiejs/punycode.js#punycodeucs2\n\nvar ucs2decode, ucs2encode; // Creates an array containing the numeric code points of each Unicode\n// character in the string. While JavaScript uses UCS-2 internally,\n// this function will convert a pair of surrogate halves (each of which\n// UCS-2 exposes as separate characters) into a single code point,\n// matching UTF-16.\n\nif (hasArrayFrom && hasStringCodePointAt$1) {\n ucs2decode = function ucs2decode(string) {\n return Array.from(string).map(function (_char) {\n return _char.codePointAt(0);\n });\n };\n} else {\n ucs2decode = function ucs2decode(string) {\n var output = [];\n var counter = 0;\n var length = string.length;\n\n while (counter < length) {\n var value = string.charCodeAt(counter++);\n\n if (0xd800 <= value && value <= 0xdbff && counter < length) {\n // high surrogate, and there is a next character\n var extra = string.charCodeAt(counter++);\n\n if ((extra & 0xfc00) === 0xdc00) {\n // low surrogate\n value = ((value & 0x3ff) << 10) + (extra & 0x3ff) + 0x10000;\n } else {\n // unmatched surrogate; only append this code unit, in case the\n // next code unit is the high surrogate of a surrogate pair\n counter--;\n }\n }\n\n output.push(value);\n }\n\n return output;\n };\n} // Creates a string based on an array of numeric code points.\n\n\nif (hasStringFromCodePoint) {\n ucs2encode = function ucs2encode(array) {\n return String.fromCodePoint.apply(String, _toConsumableArray2(Array.from(array || [])));\n };\n} else {\n ucs2encode = function ucs2encode(array) {\n var characters = function () {\n var result = [];\n Array.from(array).forEach(function (value) {\n var output = \"\";\n\n if (value > 0xffff) {\n value -= 0x10000;\n output += String.fromCharCode(value >>> 10 & 0x3ff | 0xd800);\n value = 0xdc00 | value & 0x3ff;\n }\n\n result.push(output + String.fromCharCode(value));\n });\n return result;\n }();\n\n return characters.join(\"\");\n };\n}\n\nvar id$1 = 0;\n\nvar TrixObject = /*#__PURE__*/function (_BasicObject2) {\n _inherits2(TrixObject, _BasicObject2);\n\n var _super3 = _createSuper2(TrixObject);\n\n function TrixObject() {\n var _this3;\n\n _classCallCheck2(this, TrixObject);\n\n _this3 = _super3.apply(this, arguments);\n _this3.id = ++id$1;\n return _this3;\n }\n\n _createClass2(TrixObject, [{\n key: \"hasSameConstructorAs\",\n value: function hasSameConstructorAs(object) {\n return this.constructor === (object === null || object === void 0 ? void 0 : object.constructor);\n }\n }, {\n key: \"isEqualTo\",\n value: function isEqualTo(object) {\n return this === object;\n }\n }, {\n key: \"inspect\",\n value: function inspect() {\n var parts = [];\n var contents = this.contentsForInspection() || {};\n\n for (var key in contents) {\n var value = contents[key];\n parts.push(\"\".concat(key, \"=\").concat(value));\n }\n\n return \"#<\".concat(this.constructor.name, \":\").concat(this.id).concat(parts.length ? \" \".concat(parts.join(\", \")) : \"\", \">\");\n }\n }, {\n key: \"contentsForInspection\",\n value: function contentsForInspection() {}\n }, {\n key: \"toJSONString\",\n value: function toJSONString() {\n return JSON.stringify(this);\n }\n }, {\n key: \"toUTF16String\",\n value: function toUTF16String() {\n return UTF16String.box(this);\n }\n }, {\n key: \"getCacheKey\",\n value: function getCacheKey() {\n return this.id.toString();\n }\n }], [{\n key: \"fromJSONString\",\n value: function fromJSONString(jsonString) {\n return this.fromJSON(JSON.parse(jsonString));\n }\n }]);\n\n return TrixObject;\n}(BasicObject);\n/* eslint-disable\n id-length,\n*/\n\n\nvar arraysAreEqual = function arraysAreEqual() {\n var a = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];\n var b = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [];\n\n if (a.length !== b.length) {\n return false;\n }\n\n for (var index = 0; index < a.length; index++) {\n var value = a[index];\n\n if (value !== b[index]) {\n return false;\n }\n }\n\n return true;\n};\n\nvar arrayStartsWith = function arrayStartsWith() {\n var a = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];\n var b = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [];\n return arraysAreEqual(a.slice(0, b.length), b);\n};\n\nvar spliceArray = function spliceArray(array) {\n var result = array.slice(0);\n\n for (var _len = arguments.length, args = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {\n args[_key - 1] = arguments[_key];\n }\n\n result.splice.apply(result, args);\n return result;\n};\n\nvar summarizeArrayChange = function summarizeArrayChange() {\n var oldArray = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];\n var newArray = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [];\n var added = [];\n var removed = [];\n var existingValues = new Set();\n oldArray.forEach(function (value) {\n existingValues.add(value);\n });\n var currentValues = new Set();\n newArray.forEach(function (value) {\n currentValues.add(value);\n\n if (!existingValues.has(value)) {\n added.push(value);\n }\n });\n oldArray.forEach(function (value) {\n if (!currentValues.has(value)) {\n removed.push(value);\n }\n });\n return {\n added: added,\n removed: removed\n };\n};\n\nvar RTL_PATTERN = /[\\u05BE\\u05C0\\u05C3\\u05D0-\\u05EA\\u05F0-\\u05F4\\u061B\\u061F\\u0621-\\u063A\\u0640-\\u064A\\u066D\\u0671-\\u06B7\\u06BA-\\u06BE\\u06C0-\\u06CE\\u06D0-\\u06D5\\u06E5\\u06E6\\u200F\\u202B\\u202E\\uFB1F-\\uFB28\\uFB2A-\\uFB36\\uFB38-\\uFB3C\\uFB3E\\uFB40\\uFB41\\uFB43\\uFB44\\uFB46-\\uFBB1\\uFBD3-\\uFD3D\\uFD50-\\uFD8F\\uFD92-\\uFDC7\\uFDF0-\\uFDFB\\uFE70-\\uFE72\\uFE74\\uFE76-\\uFEFC]/;\n\nvar _getDirection = function () {\n var input = makeElement(\"input\", {\n dir: \"auto\",\n name: \"x\",\n dirName: \"x.dir\"\n });\n var form = makeElement(\"form\");\n form.appendChild(input);\n\n var supportsDirName = function () {\n try {\n return new FormData(form).has(input.dirName);\n } catch (error) {\n return false;\n }\n }();\n\n var supportsDirSelector = function () {\n try {\n return input.matches(\":dir(ltr),:dir(rtl)\");\n } catch (error) {\n return false;\n }\n }();\n\n if (supportsDirName) {\n return function (string) {\n input.value = string;\n return new FormData(form).get(input.dirName);\n };\n } else if (supportsDirSelector) {\n return function (string) {\n input.value = string;\n\n if (input.matches(\":dir(rtl)\")) {\n return \"rtl\";\n } else {\n return \"ltr\";\n }\n };\n } else {\n return function (string) {\n var _char2 = string.trim().charAt(0);\n\n if (RTL_PATTERN.test(_char2)) {\n return \"rtl\";\n } else {\n return \"ltr\";\n }\n };\n }\n}();\n\nvar allAttributeNames = null;\nvar blockAttributeNames = null;\nvar textAttributeNames = null;\nvar listAttributeNames = null;\n\nvar getAllAttributeNames = function getAllAttributeNames() {\n if (!allAttributeNames) {\n allAttributeNames = getTextAttributeNames().concat(getBlockAttributeNames());\n }\n\n return allAttributeNames;\n};\n\nvar getBlockConfig = function getBlockConfig(attributeName) {\n return config.blockAttributes[attributeName];\n};\n\nvar getBlockAttributeNames = function getBlockAttributeNames() {\n if (!blockAttributeNames) {\n blockAttributeNames = Object.keys(config.blockAttributes);\n }\n\n return blockAttributeNames;\n};\n\nvar getTextConfig = function getTextConfig(attributeName) {\n return config.textAttributes[attributeName];\n};\n\nvar getTextAttributeNames = function getTextAttributeNames() {\n if (!textAttributeNames) {\n textAttributeNames = Object.keys(config.textAttributes);\n }\n\n return textAttributeNames;\n};\n\nvar getListAttributeNames = function getListAttributeNames() {\n if (!listAttributeNames) {\n listAttributeNames = [];\n\n for (var key in config.blockAttributes) {\n var listAttribute = config.blockAttributes[key].listAttribute;\n\n if (listAttribute != null) {\n listAttributeNames.push(listAttribute);\n }\n }\n }\n\n return listAttributeNames;\n};\n/* eslint-disable\n*/\n\n\nvar installDefaultCSSForTagName = function installDefaultCSSForTagName(tagName, defaultCSS) {\n var styleElement = insertStyleElementForTagName(tagName);\n styleElement.textContent = defaultCSS.replace(/%t/g, tagName);\n};\n\nvar insertStyleElementForTagName = function insertStyleElementForTagName(tagName) {\n var element = document.createElement(\"style\");\n element.setAttribute(\"type\", \"text/css\");\n element.setAttribute(\"data-tag-name\", tagName.toLowerCase());\n var nonce = getCSPNonce();\n\n if (nonce) {\n element.setAttribute(\"nonce\", nonce);\n }\n\n document.head.insertBefore(element, document.head.firstChild);\n return element;\n};\n\nvar getCSPNonce = function getCSPNonce() {\n var element = getMetaElement(\"trix-csp-nonce\") || getMetaElement(\"csp-nonce\");\n\n if (element) {\n return element.getAttribute(\"content\");\n }\n};\n\nvar getMetaElement = function getMetaElement(name) {\n return document.head.querySelector(\"meta[name=\".concat(name, \"]\"));\n};\n\nvar testTransferData = {\n \"application/x-trix-feature-detection\": \"test\"\n};\n\nvar dataTransferIsPlainText = function dataTransferIsPlainText(dataTransfer) {\n var text = dataTransfer.getData(\"text/plain\");\n var html = dataTransfer.getData(\"text/html\");\n\n if (text && html) {\n var _DOMParser$parseFromS = new DOMParser().parseFromString(html, \"text/html\"),\n body = _DOMParser$parseFromS.body;\n\n if (body.textContent === text) {\n return !body.querySelector(\"*\");\n }\n } else {\n return text === null || text === void 0 ? void 0 : text.length;\n }\n};\n\nvar dataTransferIsWritable = function dataTransferIsWritable(dataTransfer) {\n if (!(dataTransfer !== null && dataTransfer !== void 0 && dataTransfer.setData)) return false;\n\n for (var key in testTransferData) {\n var value = testTransferData[key];\n\n try {\n dataTransfer.setData(key, value);\n if (!dataTransfer.getData(key) === value) return false;\n } catch (error) {\n return false;\n }\n }\n\n return true;\n};\n\nvar keyEventIsKeyboardCommand = function () {\n if (/Mac|^iP/.test(navigator.platform)) {\n return function (event) {\n return event.metaKey;\n };\n } else {\n return function (event) {\n return event.ctrlKey;\n };\n }\n}();\n\nvar defer = function defer(fn) {\n return setTimeout(fn, 1);\n};\n/* eslint-disable\n id-length,\n*/\n\n\nvar copyObject = function copyObject() {\n var object = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n var result = {};\n\n for (var key in object) {\n var value = object[key];\n result[key] = value;\n }\n\n return result;\n};\n\nvar objectsAreEqual = function objectsAreEqual() {\n var a = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n var b = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n\n if (Object.keys(a).length !== Object.keys(b).length) {\n return false;\n }\n\n for (var key in a) {\n var value = a[key];\n\n if (value !== b[key]) {\n return false;\n }\n }\n\n return true;\n};\n\nvar normalizeRange = function normalizeRange(range) {\n if (range == null) return;\n\n if (!Array.isArray(range)) {\n range = [range, range];\n }\n\n return [copyValue(range[0]), copyValue(range[1] != null ? range[1] : range[0])];\n};\n\nvar rangeIsCollapsed = function rangeIsCollapsed(range) {\n if (range == null) return;\n\n var _normalizeRange = normalizeRange(range),\n _normalizeRange2 = _slicedToArray2(_normalizeRange, 2),\n start = _normalizeRange2[0],\n end = _normalizeRange2[1];\n\n return rangeValuesAreEqual(start, end);\n};\n\nvar rangesAreEqual = function rangesAreEqual(leftRange, rightRange) {\n if (leftRange == null || rightRange == null) return;\n\n var _normalizeRange3 = normalizeRange(leftRange),\n _normalizeRange4 = _slicedToArray2(_normalizeRange3, 2),\n leftStart = _normalizeRange4[0],\n leftEnd = _normalizeRange4[1];\n\n var _normalizeRange5 = normalizeRange(rightRange),\n _normalizeRange6 = _slicedToArray2(_normalizeRange5, 2),\n rightStart = _normalizeRange6[0],\n rightEnd = _normalizeRange6[1];\n\n return rangeValuesAreEqual(leftStart, rightStart) && rangeValuesAreEqual(leftEnd, rightEnd);\n};\n\nvar copyValue = function copyValue(value) {\n if (typeof value === \"number\") {\n return value;\n } else {\n return copyObject(value);\n }\n};\n\nvar rangeValuesAreEqual = function rangeValuesAreEqual(left, right) {\n if (typeof left === \"number\") {\n return left === right;\n } else {\n return objectsAreEqual(left, right);\n }\n};\n/* eslint-disable\n id-length,\n*/\n\n\nvar SelectionChangeObserver = /*#__PURE__*/function (_BasicObject3) {\n _inherits2(SelectionChangeObserver, _BasicObject3);\n\n var _super4 = _createSuper2(SelectionChangeObserver);\n\n function SelectionChangeObserver() {\n var _this4;\n\n _classCallCheck2(this, SelectionChangeObserver);\n\n _this4 = _super4.apply(this, arguments);\n _this4.update = _this4.update.bind(_assertThisInitialized2(_this4));\n _this4.run = _this4.run.bind(_assertThisInitialized2(_this4));\n _this4.selectionManagers = [];\n return _this4;\n }\n\n _createClass2(SelectionChangeObserver, [{\n key: \"start\",\n value: function start() {\n if (!this.started) {\n this.started = true;\n\n if (\"onselectionchange\" in document) {\n return document.addEventListener(\"selectionchange\", this.update, true);\n } else {\n return this.run();\n }\n }\n }\n }, {\n key: \"stop\",\n value: function stop() {\n if (this.started) {\n this.started = false;\n return document.removeEventListener(\"selectionchange\", this.update, true);\n }\n }\n }, {\n key: \"registerSelectionManager\",\n value: function registerSelectionManager(selectionManager) {\n if (!this.selectionManagers.includes(selectionManager)) {\n this.selectionManagers.push(selectionManager);\n return this.start();\n }\n }\n }, {\n key: \"unregisterSelectionManager\",\n value: function unregisterSelectionManager(selectionManager) {\n this.selectionManagers = this.selectionManagers.filter(function (s) {\n return s !== selectionManager;\n });\n\n if (this.selectionManagers.length === 0) {\n return this.stop();\n }\n }\n }, {\n key: \"notifySelectionManagersOfSelectionChange\",\n value: function notifySelectionManagersOfSelectionChange() {\n return this.selectionManagers.map(function (selectionManager) {\n return selectionManager.selectionDidChange();\n });\n }\n }, {\n key: \"update\",\n value: function update() {\n var domRange = getDOMRange();\n\n if (!domRangesAreEqual(domRange, this.domRange)) {\n this.domRange = domRange;\n return this.notifySelectionManagersOfSelectionChange();\n }\n }\n }, {\n key: \"reset\",\n value: function reset() {\n this.domRange = null;\n return this.update();\n } // Private\n\n }, {\n key: \"run\",\n value: function run() {\n if (this.started) {\n this.update();\n return requestAnimationFrame(this.run);\n }\n }\n }]);\n\n return SelectionChangeObserver;\n}(BasicObject);\n\nvar domRangesAreEqual = function domRangesAreEqual(left, right) {\n return (left === null || left === void 0 ? void 0 : left.startContainer) === (right === null || right === void 0 ? void 0 : right.startContainer) && (left === null || left === void 0 ? void 0 : left.startOffset) === (right === null || right === void 0 ? void 0 : right.startOffset) && (left === null || left === void 0 ? void 0 : left.endContainer) === (right === null || right === void 0 ? void 0 : right.endContainer) && (left === null || left === void 0 ? void 0 : left.endOffset) === (right === null || right === void 0 ? void 0 : right.endOffset);\n};\n\nvar selectionChangeObserver = new SelectionChangeObserver();\n\nvar getDOMSelection = function getDOMSelection() {\n var selection = window.getSelection();\n\n if (selection.rangeCount > 0) {\n return selection;\n }\n};\n\nvar getDOMRange = function getDOMRange() {\n var _getDOMSelection;\n\n var domRange = (_getDOMSelection = getDOMSelection()) === null || _getDOMSelection === void 0 ? void 0 : _getDOMSelection.getRangeAt(0);\n\n if (domRange) {\n if (!domRangeIsPrivate(domRange)) {\n return domRange;\n }\n }\n};\n\nvar setDOMRange = function setDOMRange(domRange) {\n var selection = window.getSelection();\n selection.removeAllRanges();\n selection.addRange(domRange);\n return selectionChangeObserver.update();\n}; // In Firefox, clicking certain elements changes the selection to a\n// private element used to draw its UI. Attempting to access properties of those\n// elements throws an error.\n// https://bugzilla.mozilla.org/show_bug.cgi?id=208427\n\n\nvar domRangeIsPrivate = function domRangeIsPrivate(domRange) {\n return nodeIsPrivate(domRange.startContainer) || nodeIsPrivate(domRange.endContainer);\n};\n\nvar nodeIsPrivate = function nodeIsPrivate(node) {\n return !Object.getPrototypeOf(node);\n};\n/* eslint-disable\n id-length,\n no-useless-escape,\n*/\n\n\nvar normalizeSpaces = function normalizeSpaces(string) {\n return string.replace(new RegExp(\"\".concat(ZERO_WIDTH_SPACE), \"g\"), \"\").replace(new RegExp(\"\".concat(NON_BREAKING_SPACE), \"g\"), \" \");\n};\n\nvar normalizeNewlines = function normalizeNewlines(string) {\n return string.replace(/\\r\\n/g, \"\\n\");\n};\n\nvar breakableWhitespacePattern = new RegExp(\"[^\\\\S\".concat(NON_BREAKING_SPACE, \"]\"));\n\nvar squishBreakableWhitespace = function squishBreakableWhitespace(string) {\n return string // Replace all breakable whitespace characters with a space\n .replace(new RegExp(\"\".concat(breakableWhitespacePattern.source), \"g\"), \" \") // Replace two or more spaces with a single space\n .replace(/\\ {2,}/g, \" \");\n};\n\nvar summarizeStringChange = function summarizeStringChange(oldString, newString) {\n var added, removed;\n oldString = UTF16String.box(oldString);\n newString = UTF16String.box(newString);\n\n if (newString.length < oldString.length) {\n var _utf16StringDifferenc = utf16StringDifferences(oldString, newString);\n\n var _utf16StringDifferenc2 = _slicedToArray2(_utf16StringDifferenc, 2);\n\n removed = _utf16StringDifferenc2[0];\n added = _utf16StringDifferenc2[1];\n } else {\n var _utf16StringDifferenc3 = utf16StringDifferences(newString, oldString);\n\n var _utf16StringDifferenc4 = _slicedToArray2(_utf16StringDifferenc3, 2);\n\n added = _utf16StringDifferenc4[0];\n removed = _utf16StringDifferenc4[1];\n }\n\n return {\n added: added,\n removed: removed\n };\n};\n\nvar utf16StringDifferences = function utf16StringDifferences(a, b) {\n if (a.isEqualTo(b)) {\n return [\"\", \"\"];\n }\n\n var diffA = utf16StringDifference(a, b);\n var length = diffA.utf16String.length;\n var diffB;\n\n if (length) {\n var offset = diffA.offset;\n var codepoints = a.codepoints.slice(0, offset).concat(a.codepoints.slice(offset + length));\n diffB = utf16StringDifference(b, UTF16String.fromCodepoints(codepoints));\n } else {\n diffB = utf16StringDifference(b, a);\n }\n\n return [diffA.utf16String.toString(), diffB.utf16String.toString()];\n};\n\nvar utf16StringDifference = function utf16StringDifference(a, b) {\n var leftIndex = 0;\n var rightIndexA = a.length;\n var rightIndexB = b.length;\n\n while (leftIndex < rightIndexA && a.charAt(leftIndex).isEqualTo(b.charAt(leftIndex))) {\n leftIndex++;\n }\n\n while (rightIndexA > leftIndex + 1 && a.charAt(rightIndexA - 1).isEqualTo(b.charAt(rightIndexB - 1))) {\n rightIndexA--;\n rightIndexB--;\n }\n\n return {\n utf16String: a.slice(leftIndex, rightIndexA),\n offset: leftIndex\n };\n};\n\nvar Hash = /*#__PURE__*/function (_TrixObject) {\n _inherits2(Hash, _TrixObject);\n\n var _super5 = _createSuper2(Hash);\n\n function Hash() {\n var _this5;\n\n _classCallCheck2(this, Hash);\n\n var values = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n _this5 = _super5.apply(this, arguments);\n _this5.values = copy(values);\n return _this5;\n }\n\n _createClass2(Hash, [{\n key: \"add\",\n value: function add(key, value) {\n return this.merge(object(key, value));\n }\n }, {\n key: \"remove\",\n value: function remove(key) {\n return new Hash(copy(this.values, key));\n }\n }, {\n key: \"get\",\n value: function get(key) {\n return this.values[key];\n }\n }, {\n key: \"has\",\n value: function has(key) {\n return key in this.values;\n }\n }, {\n key: \"merge\",\n value: function merge(values) {\n return new Hash(_merge(this.values, unbox(values)));\n }\n }, {\n key: \"slice\",\n value: function slice(keys) {\n var _this6 = this;\n\n var values = {};\n keys.forEach(function (key) {\n if (_this6.has(key)) {\n values[key] = _this6.values[key];\n }\n });\n return new Hash(values);\n }\n }, {\n key: \"getKeys\",\n value: function getKeys() {\n return Object.keys(this.values);\n }\n }, {\n key: \"getKeysCommonToHash\",\n value: function getKeysCommonToHash(hash) {\n var _this7 = this;\n\n hash = _box(hash);\n return this.getKeys().filter(function (key) {\n return _this7.values[key] === hash.values[key];\n });\n }\n }, {\n key: \"isEqualTo\",\n value: function isEqualTo(values) {\n return arraysAreEqual(this.toArray(), _box(values).toArray());\n }\n }, {\n key: \"isEmpty\",\n value: function isEmpty() {\n return this.getKeys().length === 0;\n }\n }, {\n key: \"toArray\",\n value: function toArray() {\n if (!this.array) {\n var result = [];\n\n for (var key in this.values) {\n var value = this.values[key];\n result.push(result.push(key, value));\n }\n\n this.array = result.slice(0);\n }\n\n return this.array;\n }\n }, {\n key: \"toObject\",\n value: function toObject() {\n return copy(this.values);\n }\n }, {\n key: \"toJSON\",\n value: function toJSON() {\n return this.toObject();\n }\n }, {\n key: \"contentsForInspection\",\n value: function contentsForInspection() {\n return {\n values: JSON.stringify(this.values)\n };\n }\n }], [{\n key: \"fromCommonAttributesOfObjects\",\n value: function fromCommonAttributesOfObjects() {\n var objects = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];\n\n if (!objects.length) {\n return new this();\n }\n\n var hash = _box(objects[0]);\n\n var keys = hash.getKeys();\n objects.slice(1).forEach(function (object) {\n keys = hash.getKeysCommonToHash(_box(object));\n hash = hash.slice(keys);\n });\n return hash;\n }\n }, {\n key: \"box\",\n value: function box(values) {\n return _box(values);\n }\n }]);\n\n return Hash;\n}(TrixObject);\n\nvar object = function object(key, value) {\n var result = {};\n result[key] = value;\n return result;\n};\n\nvar _merge = function _merge(object, values) {\n var result = copy(object);\n\n for (var key in values) {\n var value = values[key];\n result[key] = value;\n }\n\n return result;\n};\n\nvar copy = function copy(object, keyToRemove) {\n var result = {};\n var sortedKeys = Object.keys(object).sort();\n sortedKeys.forEach(function (key) {\n if (key !== keyToRemove) {\n result[key] = object[key];\n }\n });\n return result;\n};\n\nvar _box = function _box(object) {\n if (object instanceof Hash) {\n return object;\n } else {\n return new Hash(object);\n }\n};\n\nvar unbox = function unbox(object) {\n if (object instanceof Hash) {\n return object.values;\n } else {\n return object;\n }\n};\n\nvar Operation = /*#__PURE__*/function (_BasicObject4) {\n _inherits2(Operation, _BasicObject4);\n\n var _super6 = _createSuper2(Operation);\n\n function Operation() {\n _classCallCheck2(this, Operation);\n\n return _super6.apply(this, arguments);\n }\n\n _createClass2(Operation, [{\n key: \"isPerforming\",\n value: function isPerforming() {\n return this.performing === true;\n }\n }, {\n key: \"hasPerformed\",\n value: function hasPerformed() {\n return this.performed === true;\n }\n }, {\n key: \"hasSucceeded\",\n value: function hasSucceeded() {\n return this.performed && this.succeeded;\n }\n }, {\n key: \"hasFailed\",\n value: function hasFailed() {\n return this.performed && !this.succeeded;\n }\n }, {\n key: \"getPromise\",\n value: function getPromise() {\n var _this8 = this;\n\n if (!this.promise) {\n this.promise = new Promise(function (resolve, reject) {\n _this8.performing = true;\n return _this8.perform(function (succeeded, result) {\n _this8.succeeded = succeeded;\n _this8.performing = false;\n _this8.performed = true;\n\n if (_this8.succeeded) {\n resolve(result);\n } else {\n reject(result);\n }\n });\n });\n }\n\n return this.promise;\n }\n }, {\n key: \"perform\",\n value: function perform(callback) {\n return callback(false);\n }\n }, {\n key: \"release\",\n value: function release() {\n var _this$promise, _this$promise$cancel;\n\n (_this$promise = this.promise) === null || _this$promise === void 0 ? void 0 : (_this$promise$cancel = _this$promise.cancel) === null || _this$promise$cancel === void 0 ? void 0 : _this$promise$cancel.call(_this$promise);\n this.promise = null;\n this.performing = null;\n this.performed = null;\n this.succeeded = null;\n }\n }]);\n\n return Operation;\n}(BasicObject);\n\nOperation.proxyMethod(\"getPromise().then\");\nOperation.proxyMethod(\"getPromise().catch\");\n\nvar ImagePreloadOperation = /*#__PURE__*/function (_Operation) {\n _inherits2(ImagePreloadOperation, _Operation);\n\n var _super7 = _createSuper2(ImagePreloadOperation);\n\n function ImagePreloadOperation(url) {\n var _this9;\n\n _classCallCheck2(this, ImagePreloadOperation);\n\n _this9 = _super7.apply(this, arguments);\n _this9.url = url;\n return _this9;\n }\n\n _createClass2(ImagePreloadOperation, [{\n key: \"perform\",\n value: function perform(callback) {\n var _this10 = this;\n\n var image = new Image();\n\n image.onload = function () {\n image.width = _this10.width = image.naturalWidth;\n image.height = _this10.height = image.naturalHeight;\n return callback(true, image);\n };\n\n image.onerror = function () {\n return callback(false);\n };\n\n image.src = this.url;\n }\n }]);\n\n return ImagePreloadOperation;\n}(Operation);\n\nvar Attachment = /*#__PURE__*/function (_TrixObject2) {\n _inherits2(Attachment, _TrixObject2);\n\n var _super8 = _createSuper2(Attachment);\n\n function Attachment() {\n var _this11;\n\n _classCallCheck2(this, Attachment);\n\n var attributes = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n _this11 = _super8.call(this, attributes);\n _this11.releaseFile = _this11.releaseFile.bind(_assertThisInitialized2(_this11));\n _this11.attributes = Hash.box(attributes);\n\n _this11.didChangeAttributes();\n\n return _this11;\n }\n\n _createClass2(Attachment, [{\n key: \"getAttribute\",\n value: function getAttribute(attribute) {\n return this.attributes.get(attribute);\n }\n }, {\n key: \"hasAttribute\",\n value: function hasAttribute(attribute) {\n return this.attributes.has(attribute);\n }\n }, {\n key: \"getAttributes\",\n value: function getAttributes() {\n return this.attributes.toObject();\n }\n }, {\n key: \"setAttributes\",\n value: function setAttributes() {\n var attributes = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n var newAttributes = this.attributes.merge(attributes);\n\n if (!this.attributes.isEqualTo(newAttributes)) {\n var _this$previewDelegate, _this$previewDelegate2, _this$delegate, _this$delegate$attach;\n\n this.attributes = newAttributes;\n this.didChangeAttributes();\n (_this$previewDelegate = this.previewDelegate) === null || _this$previewDelegate === void 0 ? void 0 : (_this$previewDelegate2 = _this$previewDelegate.attachmentDidChangeAttributes) === null || _this$previewDelegate2 === void 0 ? void 0 : _this$previewDelegate2.call(_this$previewDelegate, this);\n return (_this$delegate = this.delegate) === null || _this$delegate === void 0 ? void 0 : (_this$delegate$attach = _this$delegate.attachmentDidChangeAttributes) === null || _this$delegate$attach === void 0 ? void 0 : _this$delegate$attach.call(_this$delegate, this);\n }\n }\n }, {\n key: \"didChangeAttributes\",\n value: function didChangeAttributes() {\n if (this.isPreviewable()) {\n return this.preloadURL();\n }\n }\n }, {\n key: \"isPending\",\n value: function isPending() {\n return this.file != null && !(this.getURL() || this.getHref());\n }\n }, {\n key: \"isPreviewable\",\n value: function isPreviewable() {\n if (this.attributes.has(\"previewable\")) {\n return this.attributes.get(\"previewable\");\n } else {\n return Attachment.previewablePattern.test(this.getContentType());\n }\n }\n }, {\n key: \"getType\",\n value: function getType() {\n if (this.hasContent()) {\n return \"content\";\n } else if (this.isPreviewable()) {\n return \"preview\";\n } else {\n return \"file\";\n }\n }\n }, {\n key: \"getURL\",\n value: function getURL() {\n return this.attributes.get(\"url\");\n }\n }, {\n key: \"getHref\",\n value: function getHref() {\n return this.attributes.get(\"href\");\n }\n }, {\n key: \"getFilename\",\n value: function getFilename() {\n return this.attributes.get(\"filename\") || \"\";\n }\n }, {\n key: \"getFilesize\",\n value: function getFilesize() {\n return this.attributes.get(\"filesize\");\n }\n }, {\n key: \"getFormattedFilesize\",\n value: function getFormattedFilesize() {\n var filesize = this.attributes.get(\"filesize\");\n\n if (typeof filesize === \"number\") {\n return config.fileSize.formatter(filesize);\n } else {\n return \"\";\n }\n }\n }, {\n key: \"getExtension\",\n value: function getExtension() {\n var _this$getFilename$mat;\n\n return (_this$getFilename$mat = this.getFilename().match(/\\.(\\w+)$/)) === null || _this$getFilename$mat === void 0 ? void 0 : _this$getFilename$mat[1].toLowerCase();\n }\n }, {\n key: \"getContentType\",\n value: function getContentType() {\n return this.attributes.get(\"contentType\");\n }\n }, {\n key: \"hasContent\",\n value: function hasContent() {\n return this.attributes.has(\"content\");\n }\n }, {\n key: \"getContent\",\n value: function getContent() {\n return this.attributes.get(\"content\");\n }\n }, {\n key: \"getWidth\",\n value: function getWidth() {\n return this.attributes.get(\"width\");\n }\n }, {\n key: \"getHeight\",\n value: function getHeight() {\n return this.attributes.get(\"height\");\n }\n }, {\n key: \"getFile\",\n value: function getFile() {\n return this.file;\n }\n }, {\n key: \"setFile\",\n value: function setFile(file) {\n this.file = file;\n\n if (this.isPreviewable()) {\n return this.preloadFile();\n }\n }\n }, {\n key: \"releaseFile\",\n value: function releaseFile() {\n this.releasePreloadedFile();\n this.file = null;\n }\n }, {\n key: \"getUploadProgress\",\n value: function getUploadProgress() {\n return this.uploadProgress != null ? this.uploadProgress : 0;\n }\n }, {\n key: \"setUploadProgress\",\n value: function setUploadProgress(value) {\n if (this.uploadProgress !== value) {\n var _this$uploadProgressD, _this$uploadProgressD2;\n\n this.uploadProgress = value;\n return (_this$uploadProgressD = this.uploadProgressDelegate) === null || _this$uploadProgressD === void 0 ? void 0 : (_this$uploadProgressD2 = _this$uploadProgressD.attachmentDidChangeUploadProgress) === null || _this$uploadProgressD2 === void 0 ? void 0 : _this$uploadProgressD2.call(_this$uploadProgressD, this);\n }\n }\n }, {\n key: \"toJSON\",\n value: function toJSON() {\n return this.getAttributes();\n }\n }, {\n key: \"getCacheKey\",\n value: function getCacheKey() {\n return [_get2(_getPrototypeOf2(Attachment.prototype), \"getCacheKey\", this).apply(this, arguments), this.attributes.getCacheKey(), this.getPreviewURL()].join(\"/\");\n } // Previewable\n\n }, {\n key: \"getPreviewURL\",\n value: function getPreviewURL() {\n return this.previewURL || this.preloadingURL;\n }\n }, {\n key: \"setPreviewURL\",\n value: function setPreviewURL(url) {\n if (url !== this.getPreviewURL()) {\n var _this$previewDelegate3, _this$previewDelegate4, _this$delegate2, _this$delegate2$attac;\n\n this.previewURL = url;\n (_this$previewDelegate3 = this.previewDelegate) === null || _this$previewDelegate3 === void 0 ? void 0 : (_this$previewDelegate4 = _this$previewDelegate3.attachmentDidChangeAttributes) === null || _this$previewDelegate4 === void 0 ? void 0 : _this$previewDelegate4.call(_this$previewDelegate3, this);\n return (_this$delegate2 = this.delegate) === null || _this$delegate2 === void 0 ? void 0 : (_this$delegate2$attac = _this$delegate2.attachmentDidChangePreviewURL) === null || _this$delegate2$attac === void 0 ? void 0 : _this$delegate2$attac.call(_this$delegate2, this);\n }\n }\n }, {\n key: \"preloadURL\",\n value: function preloadURL() {\n return this.preload(this.getURL(), this.releaseFile);\n }\n }, {\n key: \"preloadFile\",\n value: function preloadFile() {\n if (this.file) {\n this.fileObjectURL = URL.createObjectURL(this.file);\n return this.preload(this.fileObjectURL);\n }\n }\n }, {\n key: \"releasePreloadedFile\",\n value: function releasePreloadedFile() {\n if (this.fileObjectURL) {\n URL.revokeObjectURL(this.fileObjectURL);\n this.fileObjectURL = null;\n }\n }\n }, {\n key: \"preload\",\n value: function preload(url, callback) {\n var _this12 = this;\n\n if (url && url !== this.getPreviewURL()) {\n this.preloadingURL = url;\n var operation = new ImagePreloadOperation(url);\n return operation.then(function (_ref) {\n var width = _ref.width,\n height = _ref.height;\n\n if (!_this12.getWidth() || !_this12.getHeight()) {\n _this12.setAttributes({\n width: width,\n height: height\n });\n }\n\n _this12.preloadingURL = null;\n\n _this12.setPreviewURL(url);\n\n return callback === null || callback === void 0 ? void 0 : callback();\n })[\"catch\"](function () {\n _this12.preloadingURL = null;\n return callback === null || callback === void 0 ? void 0 : callback();\n });\n }\n }\n }], [{\n key: \"attachmentForFile\",\n value: function attachmentForFile(file) {\n var attributes = this.attributesForFile(file);\n var attachment = new this(attributes);\n attachment.setFile(file);\n return attachment;\n }\n }, {\n key: \"attributesForFile\",\n value: function attributesForFile(file) {\n return new Hash({\n filename: file.name,\n filesize: file.size,\n contentType: file.type\n });\n }\n }, {\n key: \"fromJSON\",\n value: function fromJSON(attachmentJSON) {\n return new this(attachmentJSON);\n }\n }]);\n\n return Attachment;\n}(TrixObject);\n\n_defineProperty(Attachment, \"previewablePattern\", /^image(\\/(gif|png|jpe?g)|$)/);\n\nvar ManagedAttachment = /*#__PURE__*/function (_BasicObject5) {\n _inherits2(ManagedAttachment, _BasicObject5);\n\n var _super9 = _createSuper2(ManagedAttachment);\n\n function ManagedAttachment(attachmentManager, attachment) {\n var _this13;\n\n _classCallCheck2(this, ManagedAttachment);\n\n _this13 = _super9.apply(this, arguments);\n _this13.attachmentManager = attachmentManager;\n _this13.attachment = attachment;\n _this13.id = _this13.attachment.id;\n _this13.file = _this13.attachment.file;\n return _this13;\n }\n\n _createClass2(ManagedAttachment, [{\n key: \"remove\",\n value: function remove() {\n return this.attachmentManager.requestRemovalOfAttachment(this.attachment);\n }\n }]);\n\n return ManagedAttachment;\n}(BasicObject);\n\nManagedAttachment.proxyMethod(\"attachment.getAttribute\");\nManagedAttachment.proxyMethod(\"attachment.hasAttribute\");\nManagedAttachment.proxyMethod(\"attachment.setAttribute\");\nManagedAttachment.proxyMethod(\"attachment.getAttributes\");\nManagedAttachment.proxyMethod(\"attachment.setAttributes\");\nManagedAttachment.proxyMethod(\"attachment.isPending\");\nManagedAttachment.proxyMethod(\"attachment.isPreviewable\");\nManagedAttachment.proxyMethod(\"attachment.getURL\");\nManagedAttachment.proxyMethod(\"attachment.getHref\");\nManagedAttachment.proxyMethod(\"attachment.getFilename\");\nManagedAttachment.proxyMethod(\"attachment.getFilesize\");\nManagedAttachment.proxyMethod(\"attachment.getFormattedFilesize\");\nManagedAttachment.proxyMethod(\"attachment.getExtension\");\nManagedAttachment.proxyMethod(\"attachment.getContentType\");\nManagedAttachment.proxyMethod(\"attachment.getFile\");\nManagedAttachment.proxyMethod(\"attachment.setFile\");\nManagedAttachment.proxyMethod(\"attachment.releaseFile\");\nManagedAttachment.proxyMethod(\"attachment.getUploadProgress\");\nManagedAttachment.proxyMethod(\"attachment.setUploadProgress\");\n\nvar AttachmentManager = /*#__PURE__*/function (_BasicObject6) {\n _inherits2(AttachmentManager, _BasicObject6);\n\n var _super10 = _createSuper2(AttachmentManager);\n\n function AttachmentManager() {\n var _this14;\n\n _classCallCheck2(this, AttachmentManager);\n\n var attachments = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];\n _this14 = _super10.apply(this, arguments);\n _this14.managedAttachments = {};\n Array.from(attachments).forEach(function (attachment) {\n _this14.manageAttachment(attachment);\n });\n return _this14;\n }\n\n _createClass2(AttachmentManager, [{\n key: \"getAttachments\",\n value: function getAttachments() {\n var result = [];\n\n for (var _id in this.managedAttachments) {\n var attachment = this.managedAttachments[_id];\n result.push(attachment);\n }\n\n return result;\n }\n }, {\n key: \"manageAttachment\",\n value: function manageAttachment(attachment) {\n if (!this.managedAttachments[attachment.id]) {\n this.managedAttachments[attachment.id] = new ManagedAttachment(this, attachment);\n }\n\n return this.managedAttachments[attachment.id];\n }\n }, {\n key: \"attachmentIsManaged\",\n value: function attachmentIsManaged(attachment) {\n return attachment.id in this.managedAttachments;\n }\n }, {\n key: \"requestRemovalOfAttachment\",\n value: function requestRemovalOfAttachment(attachment) {\n if (this.attachmentIsManaged(attachment)) {\n var _this$delegate, _this$delegate$attach;\n\n return (_this$delegate = this.delegate) === null || _this$delegate === void 0 ? void 0 : (_this$delegate$attach = _this$delegate.attachmentManagerDidRequestRemovalOfAttachment) === null || _this$delegate$attach === void 0 ? void 0 : _this$delegate$attach.call(_this$delegate, attachment);\n }\n }\n }, {\n key: \"unmanageAttachment\",\n value: function unmanageAttachment(attachment) {\n var managedAttachment = this.managedAttachments[attachment.id];\n delete this.managedAttachments[attachment.id];\n return managedAttachment;\n }\n }]);\n\n return AttachmentManager;\n}(BasicObject);\n\nvar Piece = /*#__PURE__*/function (_TrixObject3) {\n _inherits2(Piece, _TrixObject3);\n\n var _super11 = _createSuper2(Piece);\n\n function Piece(value) {\n var _this15;\n\n _classCallCheck2(this, Piece);\n\n var attributes = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n _this15 = _super11.apply(this, arguments);\n _this15.attributes = Hash.box(attributes);\n return _this15;\n }\n\n _createClass2(Piece, [{\n key: \"copyWithAttributes\",\n value: function copyWithAttributes(attributes) {\n return new this.constructor(this.getValue(), attributes);\n }\n }, {\n key: \"copyWithAdditionalAttributes\",\n value: function copyWithAdditionalAttributes(attributes) {\n return this.copyWithAttributes(this.attributes.merge(attributes));\n }\n }, {\n key: \"copyWithoutAttribute\",\n value: function copyWithoutAttribute(attribute) {\n return this.copyWithAttributes(this.attributes.remove(attribute));\n }\n }, {\n key: \"copy\",\n value: function copy() {\n return this.copyWithAttributes(this.attributes);\n }\n }, {\n key: \"getAttribute\",\n value: function getAttribute(attribute) {\n return this.attributes.get(attribute);\n }\n }, {\n key: \"getAttributesHash\",\n value: function getAttributesHash() {\n return this.attributes;\n }\n }, {\n key: \"getAttributes\",\n value: function getAttributes() {\n return this.attributes.toObject();\n }\n }, {\n key: \"hasAttribute\",\n value: function hasAttribute(attribute) {\n return this.attributes.has(attribute);\n }\n }, {\n key: \"hasSameStringValueAsPiece\",\n value: function hasSameStringValueAsPiece(piece) {\n return piece && this.toString() === piece.toString();\n }\n }, {\n key: \"hasSameAttributesAsPiece\",\n value: function hasSameAttributesAsPiece(piece) {\n return piece && (this.attributes === piece.attributes || this.attributes.isEqualTo(piece.attributes));\n }\n }, {\n key: \"isBlockBreak\",\n value: function isBlockBreak() {\n return false;\n }\n }, {\n key: \"isEqualTo\",\n value: function isEqualTo(piece) {\n return _get2(_getPrototypeOf2(Piece.prototype), \"isEqualTo\", this).apply(this, arguments) || this.hasSameConstructorAs(piece) && this.hasSameStringValueAsPiece(piece) && this.hasSameAttributesAsPiece(piece);\n }\n }, {\n key: \"isEmpty\",\n value: function isEmpty() {\n return this.length === 0;\n }\n }, {\n key: \"isSerializable\",\n value: function isSerializable() {\n return true;\n }\n }, {\n key: \"toJSON\",\n value: function toJSON() {\n return {\n type: this.constructor.type,\n attributes: this.getAttributes()\n };\n }\n }, {\n key: \"contentsForInspection\",\n value: function contentsForInspection() {\n return {\n type: this.constructor.type,\n attributes: this.attributes.inspect()\n };\n } // Grouping\n\n }, {\n key: \"canBeGrouped\",\n value: function canBeGrouped() {\n return this.hasAttribute(\"href\");\n }\n }, {\n key: \"canBeGroupedWith\",\n value: function canBeGroupedWith(piece) {\n return this.getAttribute(\"href\") === piece.getAttribute(\"href\");\n } // Splittable\n\n }, {\n key: \"getLength\",\n value: function getLength() {\n return this.length;\n }\n }, {\n key: \"canBeConsolidatedWith\",\n value: function canBeConsolidatedWith(piece) {\n return false;\n }\n }], [{\n key: \"registerType\",\n value: function registerType(type, constructor) {\n constructor.type = type;\n this.types[type] = constructor;\n }\n }, {\n key: \"fromJSON\",\n value: function fromJSON(pieceJSON) {\n var constructor = this.types[pieceJSON.type];\n\n if (constructor) {\n return constructor.fromJSON(pieceJSON);\n }\n }\n }]);\n\n return Piece;\n}(TrixObject);\n\n_defineProperty(Piece, \"types\", {});\n\nvar AttachmentPiece = /*#__PURE__*/function (_Piece) {\n _inherits2(AttachmentPiece, _Piece);\n\n var _super12 = _createSuper2(AttachmentPiece);\n\n function AttachmentPiece(attachment) {\n var _this16;\n\n _classCallCheck2(this, AttachmentPiece);\n\n _this16 = _super12.apply(this, arguments);\n _this16.attachment = attachment;\n _this16.length = 1;\n\n _this16.ensureAttachmentExclusivelyHasAttribute(\"href\");\n\n if (!_this16.attachment.hasContent()) {\n _this16.removeProhibitedAttributes();\n }\n\n return _this16;\n }\n\n _createClass2(AttachmentPiece, [{\n key: \"ensureAttachmentExclusivelyHasAttribute\",\n value: function ensureAttachmentExclusivelyHasAttribute(attribute) {\n if (this.hasAttribute(attribute)) {\n if (!this.attachment.hasAttribute(attribute)) {\n this.attachment.setAttributes(this.attributes.slice(attribute));\n }\n\n this.attributes = this.attributes.remove(attribute);\n }\n }\n }, {\n key: \"removeProhibitedAttributes\",\n value: function removeProhibitedAttributes() {\n var attributes = this.attributes.slice(AttachmentPiece.permittedAttributes);\n\n if (!attributes.isEqualTo(this.attributes)) {\n this.attributes = attributes;\n }\n }\n }, {\n key: \"getValue\",\n value: function getValue() {\n return this.attachment;\n }\n }, {\n key: \"isSerializable\",\n value: function isSerializable() {\n return !this.attachment.isPending();\n }\n }, {\n key: \"getCaption\",\n value: function getCaption() {\n return this.attributes.get(\"caption\") || \"\";\n }\n }, {\n key: \"isEqualTo\",\n value: function isEqualTo(piece) {\n var _piece$attachment;\n\n return _get2(_getPrototypeOf2(AttachmentPiece.prototype), \"isEqualTo\", this).call(this, piece) && this.attachment.id === (piece === null || piece === void 0 ? void 0 : (_piece$attachment = piece.attachment) === null || _piece$attachment === void 0 ? void 0 : _piece$attachment.id);\n }\n }, {\n key: \"toString\",\n value: function toString() {\n return OBJECT_REPLACEMENT_CHARACTER;\n }\n }, {\n key: \"toJSON\",\n value: function toJSON() {\n var json = _get2(_getPrototypeOf2(AttachmentPiece.prototype), \"toJSON\", this).apply(this, arguments);\n\n json.attachment = this.attachment;\n return json;\n }\n }, {\n key: \"getCacheKey\",\n value: function getCacheKey() {\n return [_get2(_getPrototypeOf2(AttachmentPiece.prototype), \"getCacheKey\", this).apply(this, arguments), this.attachment.getCacheKey()].join(\"/\");\n }\n }, {\n key: \"toConsole\",\n value: function toConsole() {\n return JSON.stringify(this.toString());\n }\n }], [{\n key: \"fromJSON\",\n value: function fromJSON(pieceJSON) {\n return new this(Attachment.fromJSON(pieceJSON.attachment), pieceJSON.attributes);\n }\n }]);\n\n return AttachmentPiece;\n}(Piece);\n\n_defineProperty(AttachmentPiece, \"permittedAttributes\", [\"caption\", \"presentation\"]);\n\nPiece.registerType(\"attachment\", AttachmentPiece);\n\nvar StringPiece = /*#__PURE__*/function (_Piece2) {\n _inherits2(StringPiece, _Piece2);\n\n var _super13 = _createSuper2(StringPiece);\n\n function StringPiece(string) {\n var _this17;\n\n _classCallCheck2(this, StringPiece);\n\n _this17 = _super13.apply(this, arguments);\n _this17.string = normalizeNewlines(string);\n _this17.length = _this17.string.length;\n return _this17;\n }\n\n _createClass2(StringPiece, [{\n key: \"getValue\",\n value: function getValue() {\n return this.string;\n }\n }, {\n key: \"toString\",\n value: function toString() {\n return this.string.toString();\n }\n }, {\n key: \"isBlockBreak\",\n value: function isBlockBreak() {\n return this.toString() === \"\\n\" && this.getAttribute(\"blockBreak\") === true;\n }\n }, {\n key: \"toJSON\",\n value: function toJSON() {\n var result = _get2(_getPrototypeOf2(StringPiece.prototype), \"toJSON\", this).apply(this, arguments);\n\n result.string = this.string;\n return result;\n } // Splittable\n\n }, {\n key: \"canBeConsolidatedWith\",\n value: function canBeConsolidatedWith(piece) {\n return piece && this.hasSameConstructorAs(piece) && this.hasSameAttributesAsPiece(piece);\n }\n }, {\n key: \"consolidateWith\",\n value: function consolidateWith(piece) {\n return new this.constructor(this.toString() + piece.toString(), this.attributes);\n }\n }, {\n key: \"splitAtOffset\",\n value: function splitAtOffset(offset) {\n var left, right;\n\n if (offset === 0) {\n left = null;\n right = this;\n } else if (offset === this.length) {\n left = this;\n right = null;\n } else {\n left = new this.constructor(this.string.slice(0, offset), this.attributes);\n right = new this.constructor(this.string.slice(offset), this.attributes);\n }\n\n return [left, right];\n }\n }, {\n key: \"toConsole\",\n value: function toConsole() {\n var string = this.string;\n\n if (string.length > 15) {\n string = string.slice(0, 14) + \"…\";\n }\n\n return JSON.stringify(string.toString());\n }\n }], [{\n key: \"fromJSON\",\n value: function fromJSON(pieceJSON) {\n return new this(pieceJSON.string, pieceJSON.attributes);\n }\n }]);\n\n return StringPiece;\n}(Piece);\n\nPiece.registerType(\"string\", StringPiece);\n/* eslint-disable\n prefer-const,\n*/\n\nvar SplittableList = /*#__PURE__*/function (_TrixObject4) {\n _inherits2(SplittableList, _TrixObject4);\n\n var _super14 = _createSuper2(SplittableList);\n\n function SplittableList() {\n var _this18;\n\n _classCallCheck2(this, SplittableList);\n\n var objects = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];\n _this18 = _super14.apply(this, arguments);\n _this18.objects = objects.slice(0);\n _this18.length = _this18.objects.length;\n return _this18;\n }\n\n _createClass2(SplittableList, [{\n key: \"indexOf\",\n value: function indexOf(object) {\n return this.objects.indexOf(object);\n }\n }, {\n key: \"splice\",\n value: function splice() {\n for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {\n args[_key] = arguments[_key];\n }\n\n return new this.constructor(spliceArray.apply(void 0, [this.objects].concat(args)));\n }\n }, {\n key: \"eachObject\",\n value: function eachObject(callback) {\n return this.objects.map(function (object, index) {\n return callback(object, index);\n });\n }\n }, {\n key: \"insertObjectAtIndex\",\n value: function insertObjectAtIndex(object, index) {\n return this.splice(index, 0, object);\n }\n }, {\n key: \"insertSplittableListAtIndex\",\n value: function insertSplittableListAtIndex(splittableList, index) {\n return this.splice.apply(this, [index, 0].concat(_toConsumableArray2(splittableList.objects)));\n }\n }, {\n key: \"insertSplittableListAtPosition\",\n value: function insertSplittableListAtPosition(splittableList, position) {\n var _this$splitObjectAtPo = this.splitObjectAtPosition(position),\n _this$splitObjectAtPo2 = _slicedToArray2(_this$splitObjectAtPo, 2),\n objects = _this$splitObjectAtPo2[0],\n index = _this$splitObjectAtPo2[1];\n\n return new this.constructor(objects).insertSplittableListAtIndex(splittableList, index);\n }\n }, {\n key: \"editObjectAtIndex\",\n value: function editObjectAtIndex(index, callback) {\n return this.replaceObjectAtIndex(callback(this.objects[index]), index);\n }\n }, {\n key: \"replaceObjectAtIndex\",\n value: function replaceObjectAtIndex(object, index) {\n return this.splice(index, 1, object);\n }\n }, {\n key: \"removeObjectAtIndex\",\n value: function removeObjectAtIndex(index) {\n return this.splice(index, 1);\n }\n }, {\n key: \"getObjectAtIndex\",\n value: function getObjectAtIndex(index) {\n return this.objects[index];\n }\n }, {\n key: \"getSplittableListInRange\",\n value: function getSplittableListInRange(range) {\n var _this$splitObjectsAtR = this.splitObjectsAtRange(range),\n _this$splitObjectsAtR2 = _slicedToArray2(_this$splitObjectsAtR, 3),\n objects = _this$splitObjectsAtR2[0],\n leftIndex = _this$splitObjectsAtR2[1],\n rightIndex = _this$splitObjectsAtR2[2];\n\n return new this.constructor(objects.slice(leftIndex, rightIndex + 1));\n }\n }, {\n key: \"selectSplittableList\",\n value: function selectSplittableList(test) {\n var objects = this.objects.filter(function (object) {\n return test(object);\n });\n return new this.constructor(objects);\n }\n }, {\n key: \"removeObjectsInRange\",\n value: function removeObjectsInRange(range) {\n var _this$splitObjectsAtR3 = this.splitObjectsAtRange(range),\n _this$splitObjectsAtR4 = _slicedToArray2(_this$splitObjectsAtR3, 3),\n objects = _this$splitObjectsAtR4[0],\n leftIndex = _this$splitObjectsAtR4[1],\n rightIndex = _this$splitObjectsAtR4[2];\n\n return new this.constructor(objects).splice(leftIndex, rightIndex - leftIndex + 1);\n }\n }, {\n key: \"transformObjectsInRange\",\n value: function transformObjectsInRange(range, transform) {\n var _this$splitObjectsAtR5 = this.splitObjectsAtRange(range),\n _this$splitObjectsAtR6 = _slicedToArray2(_this$splitObjectsAtR5, 3),\n objects = _this$splitObjectsAtR6[0],\n leftIndex = _this$splitObjectsAtR6[1],\n rightIndex = _this$splitObjectsAtR6[2];\n\n var transformedObjects = objects.map(function (object, index) {\n return leftIndex <= index && index <= rightIndex ? transform(object) : object;\n });\n return new this.constructor(transformedObjects);\n }\n }, {\n key: \"splitObjectsAtRange\",\n value: function splitObjectsAtRange(range) {\n var rightOuterIndex;\n\n var _this$splitObjectAtPo3 = this.splitObjectAtPosition(startOfRange(range)),\n _this$splitObjectAtPo4 = _slicedToArray2(_this$splitObjectAtPo3, 3),\n objects = _this$splitObjectAtPo4[0],\n leftInnerIndex = _this$splitObjectAtPo4[1],\n offset = _this$splitObjectAtPo4[2];\n\n var _this$constructor$spl = new this.constructor(objects).splitObjectAtPosition(endOfRange(range) + offset);\n\n var _this$constructor$spl2 = _slicedToArray2(_this$constructor$spl, 2);\n\n objects = _this$constructor$spl2[0];\n rightOuterIndex = _this$constructor$spl2[1];\n return [objects, leftInnerIndex, rightOuterIndex - 1];\n }\n }, {\n key: \"getObjectAtPosition\",\n value: function getObjectAtPosition(position) {\n var _this$findIndexAndOff = this.findIndexAndOffsetAtPosition(position),\n index = _this$findIndexAndOff.index;\n\n return this.objects[index];\n }\n }, {\n key: \"splitObjectAtPosition\",\n value: function splitObjectAtPosition(position) {\n var splitIndex, splitOffset;\n\n var _this$findIndexAndOff2 = this.findIndexAndOffsetAtPosition(position),\n index = _this$findIndexAndOff2.index,\n offset = _this$findIndexAndOff2.offset;\n\n var objects = this.objects.slice(0);\n\n if (index != null) {\n if (offset === 0) {\n splitIndex = index;\n splitOffset = 0;\n } else {\n var _object2 = this.getObjectAtIndex(index);\n\n var _object2$splitAtOffse = _object2.splitAtOffset(offset),\n _object2$splitAtOffse2 = _slicedToArray2(_object2$splitAtOffse, 2),\n leftObject = _object2$splitAtOffse2[0],\n rightObject = _object2$splitAtOffse2[1];\n\n objects.splice(index, 1, leftObject, rightObject);\n splitIndex = index + 1;\n splitOffset = leftObject.getLength() - offset;\n }\n } else {\n splitIndex = objects.length;\n splitOffset = 0;\n }\n\n return [objects, splitIndex, splitOffset];\n }\n }, {\n key: \"consolidate\",\n value: function consolidate() {\n var objects = [];\n var pendingObject = this.objects[0];\n this.objects.slice(1).forEach(function (object) {\n var _pendingObject$canBeC, _pendingObject;\n\n if ((_pendingObject$canBeC = (_pendingObject = pendingObject).canBeConsolidatedWith) !== null && _pendingObject$canBeC !== void 0 && _pendingObject$canBeC.call(_pendingObject, object)) {\n pendingObject = pendingObject.consolidateWith(object);\n } else {\n objects.push(pendingObject);\n pendingObject = object;\n }\n });\n\n if (pendingObject) {\n objects.push(pendingObject);\n }\n\n return new this.constructor(objects);\n }\n }, {\n key: \"consolidateFromIndexToIndex\",\n value: function consolidateFromIndexToIndex(startIndex, endIndex) {\n var objects = this.objects.slice(0);\n var objectsInRange = objects.slice(startIndex, endIndex + 1);\n var consolidatedInRange = new this.constructor(objectsInRange).consolidate().toArray();\n return this.splice.apply(this, [startIndex, objectsInRange.length].concat(_toConsumableArray2(consolidatedInRange)));\n }\n }, {\n key: \"findIndexAndOffsetAtPosition\",\n value: function findIndexAndOffsetAtPosition(position) {\n var index;\n var currentPosition = 0;\n\n for (index = 0; index < this.objects.length; index++) {\n var _object3 = this.objects[index];\n\n var nextPosition = currentPosition + _object3.getLength();\n\n if (currentPosition <= position && position < nextPosition) {\n return {\n index: index,\n offset: position - currentPosition\n };\n }\n\n currentPosition = nextPosition;\n }\n\n return {\n index: null,\n offset: null\n };\n }\n }, {\n key: \"findPositionAtIndexAndOffset\",\n value: function findPositionAtIndexAndOffset(index, offset) {\n var position = 0;\n\n for (var currentIndex = 0; currentIndex < this.objects.length; currentIndex++) {\n var _object4 = this.objects[currentIndex];\n\n if (currentIndex < index) {\n position += _object4.getLength();\n } else if (currentIndex === index) {\n position += offset;\n break;\n }\n }\n\n return position;\n }\n }, {\n key: \"getEndPosition\",\n value: function getEndPosition() {\n var _this19 = this;\n\n if (this.endPosition == null) {\n this.endPosition = 0;\n this.objects.forEach(function (object) {\n return _this19.endPosition += object.getLength();\n });\n }\n\n return this.endPosition;\n }\n }, {\n key: \"toString\",\n value: function toString() {\n return this.objects.join(\"\");\n }\n }, {\n key: \"toArray\",\n value: function toArray() {\n return this.objects.slice(0);\n }\n }, {\n key: \"toJSON\",\n value: function toJSON() {\n return this.toArray();\n }\n }, {\n key: \"isEqualTo\",\n value: function isEqualTo(splittableList) {\n return _get2(_getPrototypeOf2(SplittableList.prototype), \"isEqualTo\", this).apply(this, arguments) || objectArraysAreEqual(this.objects, splittableList === null || splittableList === void 0 ? void 0 : splittableList.objects);\n }\n }, {\n key: \"contentsForInspection\",\n value: function contentsForInspection() {\n return {\n objects: \"[\".concat(this.objects.map(function (object) {\n return object.inspect();\n }).join(\", \"), \"]\")\n };\n }\n }], [{\n key: \"box\",\n value: function box(objects) {\n if (objects instanceof this) {\n return objects;\n } else {\n return new this(objects);\n }\n }\n }]);\n\n return SplittableList;\n}(TrixObject);\n\nvar objectArraysAreEqual = function objectArraysAreEqual(left) {\n var right = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [];\n\n if (left.length !== right.length) {\n return false;\n }\n\n var result = true;\n\n for (var index = 0; index < left.length; index++) {\n var _object5 = left[index];\n\n if (result && !_object5.isEqualTo(right[index])) {\n result = false;\n }\n }\n\n return result;\n};\n\nvar startOfRange = function startOfRange(range) {\n return range[0];\n};\n\nvar endOfRange = function endOfRange(range) {\n return range[1];\n};\n\nvar Text = /*#__PURE__*/function (_TrixObject5) {\n _inherits2(Text, _TrixObject5);\n\n var _super15 = _createSuper2(Text);\n\n function Text() {\n var _this20;\n\n _classCallCheck2(this, Text);\n\n var pieces = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];\n _this20 = _super15.apply(this, arguments);\n var notEmpty = pieces.filter(function (piece) {\n return !piece.isEmpty();\n });\n _this20.pieceList = new SplittableList(notEmpty);\n return _this20;\n }\n\n _createClass2(Text, [{\n key: \"copy\",\n value: function copy() {\n return this.copyWithPieceList(this.pieceList);\n }\n }, {\n key: \"copyWithPieceList\",\n value: function copyWithPieceList(pieceList) {\n return new this.constructor(pieceList.consolidate().toArray());\n }\n }, {\n key: \"copyUsingObjectMap\",\n value: function copyUsingObjectMap(objectMap) {\n var pieces = this.getPieces().map(function (piece) {\n return objectMap.find(piece) || piece;\n });\n return new this.constructor(pieces);\n }\n }, {\n key: \"appendText\",\n value: function appendText(text) {\n return this.insertTextAtPosition(text, this.getLength());\n }\n }, {\n key: \"insertTextAtPosition\",\n value: function insertTextAtPosition(text, position) {\n return this.copyWithPieceList(this.pieceList.insertSplittableListAtPosition(text.pieceList, position));\n }\n }, {\n key: \"removeTextAtRange\",\n value: function removeTextAtRange(range) {\n return this.copyWithPieceList(this.pieceList.removeObjectsInRange(range));\n }\n }, {\n key: \"replaceTextAtRange\",\n value: function replaceTextAtRange(text, range) {\n return this.removeTextAtRange(range).insertTextAtPosition(text, range[0]);\n }\n }, {\n key: \"moveTextFromRangeToPosition\",\n value: function moveTextFromRangeToPosition(range, position) {\n if (range[0] <= position && position <= range[1]) return;\n var text = this.getTextAtRange(range);\n var length = text.getLength();\n\n if (range[0] < position) {\n position -= length;\n }\n\n return this.removeTextAtRange(range).insertTextAtPosition(text, position);\n }\n }, {\n key: \"addAttributeAtRange\",\n value: function addAttributeAtRange(attribute, value, range) {\n var attributes = {};\n attributes[attribute] = value;\n return this.addAttributesAtRange(attributes, range);\n }\n }, {\n key: \"addAttributesAtRange\",\n value: function addAttributesAtRange(attributes, range) {\n return this.copyWithPieceList(this.pieceList.transformObjectsInRange(range, function (piece) {\n return piece.copyWithAdditionalAttributes(attributes);\n }));\n }\n }, {\n key: \"removeAttributeAtRange\",\n value: function removeAttributeAtRange(attribute, range) {\n return this.copyWithPieceList(this.pieceList.transformObjectsInRange(range, function (piece) {\n return piece.copyWithoutAttribute(attribute);\n }));\n }\n }, {\n key: \"setAttributesAtRange\",\n value: function setAttributesAtRange(attributes, range) {\n return this.copyWithPieceList(this.pieceList.transformObjectsInRange(range, function (piece) {\n return piece.copyWithAttributes(attributes);\n }));\n }\n }, {\n key: \"getAttributesAtPosition\",\n value: function getAttributesAtPosition(position) {\n var _this$pieceList$getOb;\n\n return ((_this$pieceList$getOb = this.pieceList.getObjectAtPosition(position)) === null || _this$pieceList$getOb === void 0 ? void 0 : _this$pieceList$getOb.getAttributes()) || {};\n }\n }, {\n key: \"getCommonAttributes\",\n value: function getCommonAttributes() {\n var objects = Array.from(this.pieceList.toArray()).map(function (piece) {\n return piece.getAttributes();\n });\n return Hash.fromCommonAttributesOfObjects(objects).toObject();\n }\n }, {\n key: \"getCommonAttributesAtRange\",\n value: function getCommonAttributesAtRange(range) {\n return this.getTextAtRange(range).getCommonAttributes() || {};\n }\n }, {\n key: \"getExpandedRangeForAttributeAtOffset\",\n value: function getExpandedRangeForAttributeAtOffset(attributeName, offset) {\n var right;\n var left = right = offset;\n var length = this.getLength();\n\n while (left > 0 && this.getCommonAttributesAtRange([left - 1, right])[attributeName]) {\n left--;\n }\n\n while (right < length && this.getCommonAttributesAtRange([offset, right + 1])[attributeName]) {\n right++;\n }\n\n return [left, right];\n }\n }, {\n key: \"getTextAtRange\",\n value: function getTextAtRange(range) {\n return this.copyWithPieceList(this.pieceList.getSplittableListInRange(range));\n }\n }, {\n key: \"getStringAtRange\",\n value: function getStringAtRange(range) {\n return this.pieceList.getSplittableListInRange(range).toString();\n }\n }, {\n key: \"getStringAtPosition\",\n value: function getStringAtPosition(position) {\n return this.getStringAtRange([position, position + 1]);\n }\n }, {\n key: \"startsWithString\",\n value: function startsWithString(string) {\n return this.getStringAtRange([0, string.length]) === string;\n }\n }, {\n key: \"endsWithString\",\n value: function endsWithString(string) {\n var length = this.getLength();\n return this.getStringAtRange([length - string.length, length]) === string;\n }\n }, {\n key: \"getAttachmentPieces\",\n value: function getAttachmentPieces() {\n return this.pieceList.toArray().filter(function (piece) {\n return !!piece.attachment;\n });\n }\n }, {\n key: \"getAttachments\",\n value: function getAttachments() {\n return this.getAttachmentPieces().map(function (piece) {\n return piece.attachment;\n });\n }\n }, {\n key: \"getAttachmentAndPositionById\",\n value: function getAttachmentAndPositionById(attachmentId) {\n var position = 0;\n\n var _iterator = _createForOfIteratorHelper2(this.pieceList.toArray()),\n _step2;\n\n try {\n for (_iterator.s(); !(_step2 = _iterator.n()).done;) {\n var piece = _step2.value;\n\n var _piece$attachment;\n\n if (((_piece$attachment = piece.attachment) === null || _piece$attachment === void 0 ? void 0 : _piece$attachment.id) === attachmentId) {\n return {\n attachment: piece.attachment,\n position: position\n };\n }\n\n position += piece.length;\n }\n } catch (err) {\n _iterator.e(err);\n } finally {\n _iterator.f();\n }\n\n return {\n attachment: null,\n position: null\n };\n }\n }, {\n key: \"getAttachmentById\",\n value: function getAttachmentById(attachmentId) {\n var _this$getAttachmentAn = this.getAttachmentAndPositionById(attachmentId),\n attachment = _this$getAttachmentAn.attachment;\n\n return attachment;\n }\n }, {\n key: \"getRangeOfAttachment\",\n value: function getRangeOfAttachment(attachment) {\n var attachmentAndPosition = this.getAttachmentAndPositionById(attachment.id);\n var position = attachmentAndPosition.position;\n attachment = attachmentAndPosition.attachment;\n\n if (attachment) {\n return [position, position + 1];\n }\n }\n }, {\n key: \"updateAttributesForAttachment\",\n value: function updateAttributesForAttachment(attributes, attachment) {\n var range = this.getRangeOfAttachment(attachment);\n\n if (range) {\n return this.addAttributesAtRange(attributes, range);\n } else {\n return this;\n }\n }\n }, {\n key: \"getLength\",\n value: function getLength() {\n return this.pieceList.getEndPosition();\n }\n }, {\n key: \"isEmpty\",\n value: function isEmpty() {\n return this.getLength() === 0;\n }\n }, {\n key: \"isEqualTo\",\n value: function isEqualTo(text) {\n var _text$pieceList;\n\n return _get2(_getPrototypeOf2(Text.prototype), \"isEqualTo\", this).call(this, text) || (text === null || text === void 0 ? void 0 : (_text$pieceList = text.pieceList) === null || _text$pieceList === void 0 ? void 0 : _text$pieceList.isEqualTo(this.pieceList));\n }\n }, {\n key: \"isBlockBreak\",\n value: function isBlockBreak() {\n return this.getLength() === 1 && this.pieceList.getObjectAtIndex(0).isBlockBreak();\n }\n }, {\n key: \"eachPiece\",\n value: function eachPiece(callback) {\n return this.pieceList.eachObject(callback);\n }\n }, {\n key: \"getPieces\",\n value: function getPieces() {\n return this.pieceList.toArray();\n }\n }, {\n key: \"getPieceAtPosition\",\n value: function getPieceAtPosition(position) {\n return this.pieceList.getObjectAtPosition(position);\n }\n }, {\n key: \"contentsForInspection\",\n value: function contentsForInspection() {\n return {\n pieceList: this.pieceList.inspect()\n };\n }\n }, {\n key: \"toSerializableText\",\n value: function toSerializableText() {\n var pieceList = this.pieceList.selectSplittableList(function (piece) {\n return piece.isSerializable();\n });\n return this.copyWithPieceList(pieceList);\n }\n }, {\n key: \"toString\",\n value: function toString() {\n return this.pieceList.toString();\n }\n }, {\n key: \"toJSON\",\n value: function toJSON() {\n return this.pieceList.toJSON();\n }\n }, {\n key: \"toConsole\",\n value: function toConsole() {\n return JSON.stringify(this.pieceList.toArray().map(function (piece) {\n return JSON.parse(piece.toConsole());\n }));\n } // BIDI\n\n }, {\n key: \"getDirection\",\n value: function getDirection() {\n return _getDirection(this.toString());\n }\n }, {\n key: \"isRTL\",\n value: function isRTL() {\n return this.getDirection() === \"rtl\";\n }\n }], [{\n key: \"textForAttachmentWithAttributes\",\n value: function textForAttachmentWithAttributes(attachment, attributes) {\n var piece = new AttachmentPiece(attachment, attributes);\n return new this([piece]);\n }\n }, {\n key: \"textForStringWithAttributes\",\n value: function textForStringWithAttributes(string, attributes) {\n var piece = new StringPiece(string, attributes);\n return new this([piece]);\n }\n }, {\n key: \"fromJSON\",\n value: function fromJSON(textJSON) {\n var pieces = Array.from(textJSON).map(function (pieceJSON) {\n return Piece.fromJSON(pieceJSON);\n });\n return new this(pieces);\n }\n }]);\n\n return Text;\n}(TrixObject);\n\nvar Block = /*#__PURE__*/function (_TrixObject6) {\n _inherits2(Block, _TrixObject6);\n\n var _super16 = _createSuper2(Block);\n\n function Block(text, attributes) {\n var _this21;\n\n _classCallCheck2(this, Block);\n\n _this21 = _super16.apply(this, arguments);\n _this21.text = applyBlockBreakToText(text || new Text());\n _this21.attributes = attributes || [];\n return _this21;\n }\n\n _createClass2(Block, [{\n key: \"isEmpty\",\n value: function isEmpty() {\n return this.text.isBlockBreak();\n }\n }, {\n key: \"isEqualTo\",\n value: function isEqualTo(block) {\n if (_get2(_getPrototypeOf2(Block.prototype), \"isEqualTo\", this).call(this, block)) return true;\n return this.text.isEqualTo(block === null || block === void 0 ? void 0 : block.text) && arraysAreEqual(this.attributes, block === null || block === void 0 ? void 0 : block.attributes);\n }\n }, {\n key: \"copyWithText\",\n value: function copyWithText(text) {\n return new Block(text, this.attributes);\n }\n }, {\n key: \"copyWithoutText\",\n value: function copyWithoutText() {\n return this.copyWithText(null);\n }\n }, {\n key: \"copyWithAttributes\",\n value: function copyWithAttributes(attributes) {\n return new Block(this.text, attributes);\n }\n }, {\n key: \"copyWithoutAttributes\",\n value: function copyWithoutAttributes() {\n return this.copyWithAttributes(null);\n }\n }, {\n key: \"copyUsingObjectMap\",\n value: function copyUsingObjectMap(objectMap) {\n var mappedText = objectMap.find(this.text);\n\n if (mappedText) {\n return this.copyWithText(mappedText);\n } else {\n return this.copyWithText(this.text.copyUsingObjectMap(objectMap));\n }\n }\n }, {\n key: \"addAttribute\",\n value: function addAttribute(attribute) {\n var attributes = this.attributes.concat(expandAttribute(attribute));\n return this.copyWithAttributes(attributes);\n }\n }, {\n key: \"removeAttribute\",\n value: function removeAttribute(attribute) {\n var _getBlockConfig4 = getBlockConfig(attribute),\n listAttribute = _getBlockConfig4.listAttribute;\n\n var attributes = removeLastValue(removeLastValue(this.attributes, attribute), listAttribute);\n return this.copyWithAttributes(attributes);\n }\n }, {\n key: \"removeLastAttribute\",\n value: function removeLastAttribute() {\n return this.removeAttribute(this.getLastAttribute());\n }\n }, {\n key: \"getLastAttribute\",\n value: function getLastAttribute() {\n return getLastElement(this.attributes);\n }\n }, {\n key: \"getAttributes\",\n value: function getAttributes() {\n return this.attributes.slice(0);\n }\n }, {\n key: \"getAttributeLevel\",\n value: function getAttributeLevel() {\n return this.attributes.length;\n }\n }, {\n key: \"getAttributeAtLevel\",\n value: function getAttributeAtLevel(level) {\n return this.attributes[level - 1];\n }\n }, {\n key: \"hasAttribute\",\n value: function hasAttribute(attributeName) {\n return this.attributes.includes(attributeName);\n }\n }, {\n key: \"hasAttributes\",\n value: function hasAttributes() {\n return this.getAttributeLevel() > 0;\n }\n }, {\n key: \"getLastNestableAttribute\",\n value: function getLastNestableAttribute() {\n return getLastElement(this.getNestableAttributes());\n }\n }, {\n key: \"getNestableAttributes\",\n value: function getNestableAttributes() {\n return this.attributes.filter(function (attribute) {\n return getBlockConfig(attribute).nestable;\n });\n }\n }, {\n key: \"getNestingLevel\",\n value: function getNestingLevel() {\n return this.getNestableAttributes().length;\n }\n }, {\n key: \"decreaseNestingLevel\",\n value: function decreaseNestingLevel() {\n var attribute = this.getLastNestableAttribute();\n\n if (attribute) {\n return this.removeAttribute(attribute);\n } else {\n return this;\n }\n }\n }, {\n key: \"increaseNestingLevel\",\n value: function increaseNestingLevel() {\n var attribute = this.getLastNestableAttribute();\n\n if (attribute) {\n var index = this.attributes.lastIndexOf(attribute);\n\n var _attributes = spliceArray.apply(void 0, [this.attributes, index + 1, 0].concat(_toConsumableArray2(expandAttribute(attribute))));\n\n return this.copyWithAttributes(_attributes);\n } else {\n return this;\n }\n }\n }, {\n key: \"getListItemAttributes\",\n value: function getListItemAttributes() {\n return this.attributes.filter(function (attribute) {\n return getBlockConfig(attribute).listAttribute;\n });\n }\n }, {\n key: \"isListItem\",\n value: function isListItem() {\n var _getBlockConfig;\n\n return (_getBlockConfig = getBlockConfig(this.getLastAttribute())) === null || _getBlockConfig === void 0 ? void 0 : _getBlockConfig.listAttribute;\n }\n }, {\n key: \"isTerminalBlock\",\n value: function isTerminalBlock() {\n var _getBlockConfig2;\n\n return (_getBlockConfig2 = getBlockConfig(this.getLastAttribute())) === null || _getBlockConfig2 === void 0 ? void 0 : _getBlockConfig2.terminal;\n }\n }, {\n key: \"breaksOnReturn\",\n value: function breaksOnReturn() {\n var _getBlockConfig3;\n\n return (_getBlockConfig3 = getBlockConfig(this.getLastAttribute())) === null || _getBlockConfig3 === void 0 ? void 0 : _getBlockConfig3.breakOnReturn;\n }\n }, {\n key: \"findLineBreakInDirectionFromPosition\",\n value: function findLineBreakInDirectionFromPosition(direction, position) {\n var string = this.toString();\n var result;\n\n switch (direction) {\n case \"forward\":\n result = string.indexOf(\"\\n\", position);\n break;\n\n case \"backward\":\n result = string.slice(0, position).lastIndexOf(\"\\n\");\n }\n\n if (result !== -1) {\n return result;\n }\n }\n }, {\n key: \"contentsForInspection\",\n value: function contentsForInspection() {\n return {\n text: this.text.inspect(),\n attributes: this.attributes\n };\n }\n }, {\n key: \"toString\",\n value: function toString() {\n return this.text.toString();\n }\n }, {\n key: \"toJSON\",\n value: function toJSON() {\n return {\n text: this.text,\n attributes: this.attributes\n };\n } // BIDI\n\n }, {\n key: \"getDirection\",\n value: function getDirection() {\n return this.text.getDirection();\n }\n }, {\n key: \"isRTL\",\n value: function isRTL() {\n return this.text.isRTL();\n } // Splittable\n\n }, {\n key: \"getLength\",\n value: function getLength() {\n return this.text.getLength();\n }\n }, {\n key: \"canBeConsolidatedWith\",\n value: function canBeConsolidatedWith(block) {\n return !this.hasAttributes() && !block.hasAttributes() && this.getDirection() === block.getDirection();\n }\n }, {\n key: \"consolidateWith\",\n value: function consolidateWith(block) {\n var newlineText = Text.textForStringWithAttributes(\"\\n\");\n var text = this.getTextWithoutBlockBreak().appendText(newlineText);\n return this.copyWithText(text.appendText(block.text));\n }\n }, {\n key: \"splitAtOffset\",\n value: function splitAtOffset(offset) {\n var left, right;\n\n if (offset === 0) {\n left = null;\n right = this;\n } else if (offset === this.getLength()) {\n left = this;\n right = null;\n } else {\n left = this.copyWithText(this.text.getTextAtRange([0, offset]));\n right = this.copyWithText(this.text.getTextAtRange([offset, this.getLength()]));\n }\n\n return [left, right];\n }\n }, {\n key: \"getBlockBreakPosition\",\n value: function getBlockBreakPosition() {\n return this.text.getLength() - 1;\n }\n }, {\n key: \"getTextWithoutBlockBreak\",\n value: function getTextWithoutBlockBreak() {\n if (textEndsInBlockBreak(this.text)) {\n return this.text.getTextAtRange([0, this.getBlockBreakPosition()]);\n } else {\n return this.text.copy();\n }\n } // Grouping\n\n }, {\n key: \"canBeGrouped\",\n value: function canBeGrouped(depth) {\n return this.attributes[depth];\n }\n }, {\n key: \"canBeGroupedWith\",\n value: function canBeGroupedWith(otherBlock, depth) {\n var otherAttributes = otherBlock.getAttributes();\n var otherAttribute = otherAttributes[depth];\n var attribute = this.attributes[depth];\n return attribute === otherAttribute && !(getBlockConfig(attribute).group === false && !getListAttributeNames().includes(otherAttributes[depth + 1])) && (this.getDirection() === otherBlock.getDirection() || otherBlock.isEmpty());\n }\n }], [{\n key: \"fromJSON\",\n value: function fromJSON(blockJSON) {\n var text = Text.fromJSON(blockJSON.text);\n return new this(text, blockJSON.attributes);\n }\n }]);\n\n return Block;\n}(TrixObject); // Block breaks\n\n\nvar applyBlockBreakToText = function applyBlockBreakToText(text) {\n text = unmarkExistingInnerBlockBreaksInText(text);\n text = addBlockBreakToText(text);\n return text;\n};\n\nvar unmarkExistingInnerBlockBreaksInText = function unmarkExistingInnerBlockBreaksInText(text) {\n var modified = false;\n var pieces = text.getPieces();\n var innerPieces = pieces.slice(0, pieces.length - 1);\n var lastPiece = pieces[pieces.length - 1];\n if (!lastPiece) return text;\n innerPieces = innerPieces.map(function (piece) {\n if (piece.isBlockBreak()) {\n modified = true;\n return unmarkBlockBreakPiece(piece);\n } else {\n return piece;\n }\n });\n\n if (modified) {\n return new Text([].concat(_toConsumableArray2(innerPieces), [lastPiece]));\n } else {\n return text;\n }\n};\n\nvar blockBreakText = Text.textForStringWithAttributes(\"\\n\", {\n blockBreak: true\n});\n\nvar addBlockBreakToText = function addBlockBreakToText(text) {\n if (textEndsInBlockBreak(text)) {\n return text;\n } else {\n return text.appendText(blockBreakText);\n }\n};\n\nvar textEndsInBlockBreak = function textEndsInBlockBreak(text) {\n var length = text.getLength();\n\n if (length === 0) {\n return false;\n }\n\n var endText = text.getTextAtRange([length - 1, length]);\n return endText.isBlockBreak();\n};\n\nvar unmarkBlockBreakPiece = function unmarkBlockBreakPiece(piece) {\n return piece.copyWithoutAttribute(\"blockBreak\");\n}; // Attributes\n\n\nvar expandAttribute = function expandAttribute(attribute) {\n var _getBlockConfig5 = getBlockConfig(attribute),\n listAttribute = _getBlockConfig5.listAttribute;\n\n if (listAttribute) {\n return [listAttribute, attribute];\n } else {\n return [attribute];\n }\n}; // Array helpers\n\n\nvar getLastElement = function getLastElement(array) {\n return array.slice(-1)[0];\n};\n\nvar removeLastValue = function removeLastValue(array, value) {\n var index = array.lastIndexOf(value);\n\n if (index === -1) {\n return array;\n } else {\n return spliceArray(array, index, 1);\n }\n};\n\nvar ObjectMap = /*#__PURE__*/function (_BasicObject7) {\n _inherits2(ObjectMap, _BasicObject7);\n\n var _super17 = _createSuper2(ObjectMap);\n\n function ObjectMap() {\n var _this22;\n\n _classCallCheck2(this, ObjectMap);\n\n var objects = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];\n _this22 = _super17.apply(this, arguments);\n _this22.objects = {};\n Array.from(objects).forEach(function (object) {\n var hash = JSON.stringify(object);\n\n if (_this22.objects[hash] == null) {\n _this22.objects[hash] = object;\n }\n });\n return _this22;\n }\n\n _createClass2(ObjectMap, [{\n key: \"find\",\n value: function find(object) {\n var hash = JSON.stringify(object);\n return this.objects[hash];\n }\n }]);\n\n return ObjectMap;\n}(BasicObject);\n\nvar Document = /*#__PURE__*/function (_TrixObject7) {\n _inherits2(Document, _TrixObject7);\n\n var _super18 = _createSuper2(Document);\n\n function Document() {\n var _this23;\n\n _classCallCheck2(this, Document);\n\n var blocks = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];\n _this23 = _super18.apply(this, arguments);\n\n if (blocks.length === 0) {\n blocks = [new Block()];\n }\n\n _this23.blockList = SplittableList.box(blocks);\n return _this23;\n }\n\n _createClass2(Document, [{\n key: \"isEmpty\",\n value: function isEmpty() {\n var block = this.getBlockAtIndex(0);\n return this.blockList.length === 1 && block.isEmpty() && !block.hasAttributes();\n }\n }, {\n key: \"copy\",\n value: function copy() {\n var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n var blocks = options.consolidateBlocks ? this.blockList.consolidate().toArray() : this.blockList.toArray();\n return new this.constructor(blocks);\n }\n }, {\n key: \"copyUsingObjectsFromDocument\",\n value: function copyUsingObjectsFromDocument(sourceDocument) {\n var objectMap = new ObjectMap(sourceDocument.getObjects());\n return this.copyUsingObjectMap(objectMap);\n }\n }, {\n key: \"copyUsingObjectMap\",\n value: function copyUsingObjectMap(objectMap) {\n var blocks = this.getBlocks().map(function (block) {\n var mappedBlock = objectMap.find(block);\n return mappedBlock || block.copyUsingObjectMap(objectMap);\n });\n return new this.constructor(blocks);\n }\n }, {\n key: \"copyWithBaseBlockAttributes\",\n value: function copyWithBaseBlockAttributes() {\n var blockAttributes = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];\n var blocks = this.getBlocks().map(function (block) {\n var attributes = blockAttributes.concat(block.getAttributes());\n return block.copyWithAttributes(attributes);\n });\n return new this.constructor(blocks);\n }\n }, {\n key: \"replaceBlock\",\n value: function replaceBlock(oldBlock, newBlock) {\n var index = this.blockList.indexOf(oldBlock);\n\n if (index === -1) {\n return this;\n }\n\n return new this.constructor(this.blockList.replaceObjectAtIndex(newBlock, index));\n }\n }, {\n key: \"insertDocumentAtRange\",\n value: function insertDocumentAtRange(document, range) {\n var blockList = document.blockList;\n range = normalizeRange(range);\n\n var _range = range,\n _range2 = _slicedToArray2(_range, 1),\n position = _range2[0];\n\n var _this$locationFromPos = this.locationFromPosition(position),\n index = _this$locationFromPos.index,\n offset = _this$locationFromPos.offset;\n\n var result = this;\n var block = this.getBlockAtPosition(position);\n\n if (rangeIsCollapsed(range) && block.isEmpty() && !block.hasAttributes()) {\n result = new this.constructor(result.blockList.removeObjectAtIndex(index));\n } else if (block.getBlockBreakPosition() === offset) {\n position++;\n }\n\n result = result.removeTextAtRange(range);\n return new this.constructor(result.blockList.insertSplittableListAtPosition(blockList, position));\n }\n }, {\n key: \"mergeDocumentAtRange\",\n value: function mergeDocumentAtRange(document, range) {\n var formattedDocument, result;\n range = normalizeRange(range);\n\n var _range3 = range,\n _range4 = _slicedToArray2(_range3, 1),\n startPosition = _range4[0];\n\n var startLocation = this.locationFromPosition(startPosition);\n var blockAttributes = this.getBlockAtIndex(startLocation.index).getAttributes();\n var baseBlockAttributes = document.getBaseBlockAttributes();\n var trailingBlockAttributes = blockAttributes.slice(-baseBlockAttributes.length);\n\n if (arraysAreEqual(baseBlockAttributes, trailingBlockAttributes)) {\n var leadingBlockAttributes = blockAttributes.slice(0, -baseBlockAttributes.length);\n formattedDocument = document.copyWithBaseBlockAttributes(leadingBlockAttributes);\n } else {\n formattedDocument = document.copy({\n consolidateBlocks: true\n }).copyWithBaseBlockAttributes(blockAttributes);\n }\n\n var blockCount = formattedDocument.getBlockCount();\n var firstBlock = formattedDocument.getBlockAtIndex(0);\n\n if (arraysAreEqual(blockAttributes, firstBlock.getAttributes())) {\n var firstText = firstBlock.getTextWithoutBlockBreak();\n result = this.insertTextAtRange(firstText, range);\n\n if (blockCount > 1) {\n formattedDocument = new this.constructor(formattedDocument.getBlocks().slice(1));\n var position = startPosition + firstText.getLength();\n result = result.insertDocumentAtRange(formattedDocument, position);\n }\n } else {\n result = this.insertDocumentAtRange(formattedDocument, range);\n }\n\n return result;\n }\n }, {\n key: \"insertTextAtRange\",\n value: function insertTextAtRange(text, range) {\n range = normalizeRange(range);\n\n var _range5 = range,\n _range6 = _slicedToArray2(_range5, 1),\n startPosition = _range6[0];\n\n var _this$locationFromPos2 = this.locationFromPosition(startPosition),\n index = _this$locationFromPos2.index,\n offset = _this$locationFromPos2.offset;\n\n var document = this.removeTextAtRange(range);\n return new this.constructor(document.blockList.editObjectAtIndex(index, function (block) {\n return block.copyWithText(block.text.insertTextAtPosition(text, offset));\n }));\n }\n }, {\n key: \"removeTextAtRange\",\n value: function removeTextAtRange(range) {\n var blocks;\n range = normalizeRange(range);\n\n var _range7 = range,\n _range8 = _slicedToArray2(_range7, 2),\n leftPosition = _range8[0],\n rightPosition = _range8[1];\n\n if (rangeIsCollapsed(range)) {\n return this;\n }\n\n var _Array$from2 = Array.from(this.locationRangeFromRange(range)),\n _Array$from3 = _slicedToArray2(_Array$from2, 2),\n leftLocation = _Array$from3[0],\n rightLocation = _Array$from3[1];\n\n var leftIndex = leftLocation.index;\n var leftOffset = leftLocation.offset;\n var leftBlock = this.getBlockAtIndex(leftIndex);\n var rightIndex = rightLocation.index;\n var rightOffset = rightLocation.offset;\n var rightBlock = this.getBlockAtIndex(rightIndex);\n var removeRightNewline = rightPosition - leftPosition === 1 && leftBlock.getBlockBreakPosition() === leftOffset && rightBlock.getBlockBreakPosition() !== rightOffset && rightBlock.text.getStringAtPosition(rightOffset) === \"\\n\";\n\n if (removeRightNewline) {\n blocks = this.blockList.editObjectAtIndex(rightIndex, function (block) {\n return block.copyWithText(block.text.removeTextAtRange([rightOffset, rightOffset + 1]));\n });\n } else {\n var block;\n var leftText = leftBlock.text.getTextAtRange([0, leftOffset]);\n var rightText = rightBlock.text.getTextAtRange([rightOffset, rightBlock.getLength()]);\n var text = leftText.appendText(rightText);\n var removingLeftBlock = leftIndex !== rightIndex && leftOffset === 0;\n var useRightBlock = removingLeftBlock && leftBlock.getAttributeLevel() >= rightBlock.getAttributeLevel();\n\n if (useRightBlock) {\n block = rightBlock.copyWithText(text);\n } else {\n block = leftBlock.copyWithText(text);\n }\n\n var affectedBlockCount = rightIndex + 1 - leftIndex;\n blocks = this.blockList.splice(leftIndex, affectedBlockCount, block);\n }\n\n return new this.constructor(blocks);\n }\n }, {\n key: \"moveTextFromRangeToPosition\",\n value: function moveTextFromRangeToPosition(range, position) {\n var text;\n range = normalizeRange(range);\n\n var _range9 = range,\n _range10 = _slicedToArray2(_range9, 2),\n startPosition = _range10[0],\n endPosition = _range10[1];\n\n if (startPosition <= position && position <= endPosition) {\n return this;\n }\n\n var document = this.getDocumentAtRange(range);\n var result = this.removeTextAtRange(range);\n var movingRightward = startPosition < position;\n\n if (movingRightward) {\n position -= document.getLength();\n }\n\n var _document$getBlocks = document.getBlocks(),\n _document$getBlocks2 = _toArray2(_document$getBlocks),\n firstBlock = _document$getBlocks2[0],\n blocks = _document$getBlocks2.slice(1);\n\n if (blocks.length === 0) {\n text = firstBlock.getTextWithoutBlockBreak();\n\n if (movingRightward) {\n position += 1;\n }\n } else {\n text = firstBlock.text;\n }\n\n result = result.insertTextAtRange(text, position);\n\n if (blocks.length === 0) {\n return result;\n }\n\n document = new this.constructor(blocks);\n position += text.getLength();\n return result.insertDocumentAtRange(document, position);\n }\n }, {\n key: \"addAttributeAtRange\",\n value: function addAttributeAtRange(attribute, value, range) {\n var blockList = this.blockList;\n this.eachBlockAtRange(range, function (block, textRange, index) {\n return blockList = blockList.editObjectAtIndex(index, function () {\n if (getBlockConfig(attribute)) {\n return block.addAttribute(attribute, value);\n } else {\n if (textRange[0] === textRange[1]) {\n return block;\n } else {\n return block.copyWithText(block.text.addAttributeAtRange(attribute, value, textRange));\n }\n }\n });\n });\n return new this.constructor(blockList);\n }\n }, {\n key: \"addAttribute\",\n value: function addAttribute(attribute, value) {\n var blockList = this.blockList;\n this.eachBlock(function (block, index) {\n return blockList = blockList.editObjectAtIndex(index, function () {\n return block.addAttribute(attribute, value);\n });\n });\n return new this.constructor(blockList);\n }\n }, {\n key: \"removeAttributeAtRange\",\n value: function removeAttributeAtRange(attribute, range) {\n var blockList = this.blockList;\n this.eachBlockAtRange(range, function (block, textRange, index) {\n if (getBlockConfig(attribute)) {\n blockList = blockList.editObjectAtIndex(index, function () {\n return block.removeAttribute(attribute);\n });\n } else if (textRange[0] !== textRange[1]) {\n blockList = blockList.editObjectAtIndex(index, function () {\n return block.copyWithText(block.text.removeAttributeAtRange(attribute, textRange));\n });\n }\n });\n return new this.constructor(blockList);\n }\n }, {\n key: \"updateAttributesForAttachment\",\n value: function updateAttributesForAttachment(attributes, attachment) {\n var range = this.getRangeOfAttachment(attachment);\n\n var _Array$from4 = Array.from(range),\n _Array$from5 = _slicedToArray2(_Array$from4, 1),\n startPosition = _Array$from5[0];\n\n var _this$locationFromPos3 = this.locationFromPosition(startPosition),\n index = _this$locationFromPos3.index;\n\n var text = this.getTextAtIndex(index);\n return new this.constructor(this.blockList.editObjectAtIndex(index, function (block) {\n return block.copyWithText(text.updateAttributesForAttachment(attributes, attachment));\n }));\n }\n }, {\n key: \"removeAttributeForAttachment\",\n value: function removeAttributeForAttachment(attribute, attachment) {\n var range = this.getRangeOfAttachment(attachment);\n return this.removeAttributeAtRange(attribute, range);\n }\n }, {\n key: \"insertBlockBreakAtRange\",\n value: function insertBlockBreakAtRange(range) {\n var blocks;\n range = normalizeRange(range);\n\n var _range11 = range,\n _range12 = _slicedToArray2(_range11, 1),\n startPosition = _range12[0];\n\n var _this$locationFromPos4 = this.locationFromPosition(startPosition),\n offset = _this$locationFromPos4.offset;\n\n var document = this.removeTextAtRange(range);\n\n if (offset === 0) {\n blocks = [new Block()];\n }\n\n return new this.constructor(document.blockList.insertSplittableListAtPosition(new SplittableList(blocks), startPosition));\n }\n }, {\n key: \"applyBlockAttributeAtRange\",\n value: function applyBlockAttributeAtRange(attributeName, value, range) {\n var expanded = this.expandRangeToLineBreaksAndSplitBlocks(range);\n var document = expanded.document;\n range = expanded.range;\n var blockConfig = getBlockConfig(attributeName);\n\n if (blockConfig.listAttribute) {\n document = document.removeLastListAttributeAtRange(range, {\n exceptAttributeName: attributeName\n });\n var converted = document.convertLineBreaksToBlockBreaksInRange(range);\n document = converted.document;\n range = converted.range;\n } else if (blockConfig.exclusive) {\n document = document.removeBlockAttributesAtRange(range);\n } else if (blockConfig.terminal) {\n document = document.removeLastTerminalAttributeAtRange(range);\n } else {\n document = document.consolidateBlocksAtRange(range);\n }\n\n return document.addAttributeAtRange(attributeName, value, range);\n }\n }, {\n key: \"removeLastListAttributeAtRange\",\n value: function removeLastListAttributeAtRange(range) {\n var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n var blockList = this.blockList;\n this.eachBlockAtRange(range, function (block, textRange, index) {\n var lastAttributeName = block.getLastAttribute();\n\n if (!lastAttributeName) {\n return;\n }\n\n if (!getBlockConfig(lastAttributeName).listAttribute) {\n return;\n }\n\n if (lastAttributeName === options.exceptAttributeName) {\n return;\n }\n\n blockList = blockList.editObjectAtIndex(index, function () {\n return block.removeAttribute(lastAttributeName);\n });\n });\n return new this.constructor(blockList);\n }\n }, {\n key: \"removeLastTerminalAttributeAtRange\",\n value: function removeLastTerminalAttributeAtRange(range) {\n var blockList = this.blockList;\n this.eachBlockAtRange(range, function (block, textRange, index) {\n var lastAttributeName = block.getLastAttribute();\n\n if (!lastAttributeName) {\n return;\n }\n\n if (!getBlockConfig(lastAttributeName).terminal) {\n return;\n }\n\n blockList = blockList.editObjectAtIndex(index, function () {\n return block.removeAttribute(lastAttributeName);\n });\n });\n return new this.constructor(blockList);\n }\n }, {\n key: \"removeBlockAttributesAtRange\",\n value: function removeBlockAttributesAtRange(range) {\n var blockList = this.blockList;\n this.eachBlockAtRange(range, function (block, textRange, index) {\n if (block.hasAttributes()) {\n blockList = blockList.editObjectAtIndex(index, function () {\n return block.copyWithoutAttributes();\n });\n }\n });\n return new this.constructor(blockList);\n }\n }, {\n key: \"expandRangeToLineBreaksAndSplitBlocks\",\n value: function expandRangeToLineBreaksAndSplitBlocks(range) {\n var position;\n range = normalizeRange(range);\n\n var _range13 = range,\n _range14 = _slicedToArray2(_range13, 2),\n startPosition = _range14[0],\n endPosition = _range14[1];\n\n var startLocation = this.locationFromPosition(startPosition);\n var endLocation = this.locationFromPosition(endPosition);\n var document = this;\n var startBlock = document.getBlockAtIndex(startLocation.index);\n startLocation.offset = startBlock.findLineBreakInDirectionFromPosition(\"backward\", startLocation.offset);\n\n if (startLocation.offset != null) {\n position = document.positionFromLocation(startLocation);\n document = document.insertBlockBreakAtRange([position, position + 1]);\n endLocation.index += 1;\n endLocation.offset -= document.getBlockAtIndex(startLocation.index).getLength();\n startLocation.index += 1;\n }\n\n startLocation.offset = 0;\n\n if (endLocation.offset === 0 && endLocation.index > startLocation.index) {\n endLocation.index -= 1;\n endLocation.offset = document.getBlockAtIndex(endLocation.index).getBlockBreakPosition();\n } else {\n var endBlock = document.getBlockAtIndex(endLocation.index);\n\n if (endBlock.text.getStringAtRange([endLocation.offset - 1, endLocation.offset]) === \"\\n\") {\n endLocation.offset -= 1;\n } else {\n endLocation.offset = endBlock.findLineBreakInDirectionFromPosition(\"forward\", endLocation.offset);\n }\n\n if (endLocation.offset !== endBlock.getBlockBreakPosition()) {\n position = document.positionFromLocation(endLocation);\n document = document.insertBlockBreakAtRange([position, position + 1]);\n }\n }\n\n startPosition = document.positionFromLocation(startLocation);\n endPosition = document.positionFromLocation(endLocation);\n range = normalizeRange([startPosition, endPosition]);\n return {\n document: document,\n range: range\n };\n }\n }, {\n key: \"convertLineBreaksToBlockBreaksInRange\",\n value: function convertLineBreaksToBlockBreaksInRange(range) {\n range = normalizeRange(range);\n\n var _range15 = range,\n _range16 = _slicedToArray2(_range15, 1),\n position = _range16[0];\n\n var string = this.getStringAtRange(range).slice(0, -1);\n var document = this;\n string.replace(/.*?\\n/g, function (match) {\n position += match.length;\n document = document.insertBlockBreakAtRange([position - 1, position]);\n });\n return {\n document: document,\n range: range\n };\n }\n }, {\n key: \"consolidateBlocksAtRange\",\n value: function consolidateBlocksAtRange(range) {\n range = normalizeRange(range);\n\n var _range17 = range,\n _range18 = _slicedToArray2(_range17, 2),\n startPosition = _range18[0],\n endPosition = _range18[1];\n\n var startIndex = this.locationFromPosition(startPosition).index;\n var endIndex = this.locationFromPosition(endPosition).index;\n return new this.constructor(this.blockList.consolidateFromIndexToIndex(startIndex, endIndex));\n }\n }, {\n key: \"getDocumentAtRange\",\n value: function getDocumentAtRange(range) {\n range = normalizeRange(range);\n var blocks = this.blockList.getSplittableListInRange(range).toArray();\n return new this.constructor(blocks);\n }\n }, {\n key: \"getStringAtRange\",\n value: function getStringAtRange(range) {\n var endIndex;\n var array = range = normalizeRange(range),\n endPosition = array[array.length - 1];\n\n if (endPosition !== this.getLength()) {\n endIndex = -1;\n }\n\n return this.getDocumentAtRange(range).toString().slice(0, endIndex);\n }\n }, {\n key: \"getBlockAtIndex\",\n value: function getBlockAtIndex(index) {\n return this.blockList.getObjectAtIndex(index);\n }\n }, {\n key: \"getBlockAtPosition\",\n value: function getBlockAtPosition(position) {\n var _this$locationFromPos5 = this.locationFromPosition(position),\n index = _this$locationFromPos5.index;\n\n return this.getBlockAtIndex(index);\n }\n }, {\n key: \"getTextAtIndex\",\n value: function getTextAtIndex(index) {\n var _this$getBlockAtIndex;\n\n return (_this$getBlockAtIndex = this.getBlockAtIndex(index)) === null || _this$getBlockAtIndex === void 0 ? void 0 : _this$getBlockAtIndex.text;\n }\n }, {\n key: \"getTextAtPosition\",\n value: function getTextAtPosition(position) {\n var _this$locationFromPos6 = this.locationFromPosition(position),\n index = _this$locationFromPos6.index;\n\n return this.getTextAtIndex(index);\n }\n }, {\n key: \"getPieceAtPosition\",\n value: function getPieceAtPosition(position) {\n var _this$locationFromPos7 = this.locationFromPosition(position),\n index = _this$locationFromPos7.index,\n offset = _this$locationFromPos7.offset;\n\n return this.getTextAtIndex(index).getPieceAtPosition(offset);\n }\n }, {\n key: \"getCharacterAtPosition\",\n value: function getCharacterAtPosition(position) {\n var _this$locationFromPos8 = this.locationFromPosition(position),\n index = _this$locationFromPos8.index,\n offset = _this$locationFromPos8.offset;\n\n return this.getTextAtIndex(index).getStringAtRange([offset, offset + 1]);\n }\n }, {\n key: \"getLength\",\n value: function getLength() {\n return this.blockList.getEndPosition();\n }\n }, {\n key: \"getBlocks\",\n value: function getBlocks() {\n return this.blockList.toArray();\n }\n }, {\n key: \"getBlockCount\",\n value: function getBlockCount() {\n return this.blockList.length;\n }\n }, {\n key: \"getEditCount\",\n value: function getEditCount() {\n return this.editCount;\n }\n }, {\n key: \"eachBlock\",\n value: function eachBlock(callback) {\n return this.blockList.eachObject(callback);\n }\n }, {\n key: \"eachBlockAtRange\",\n value: function eachBlockAtRange(range, callback) {\n var block, textRange;\n range = normalizeRange(range);\n\n var _range19 = range,\n _range20 = _slicedToArray2(_range19, 2),\n startPosition = _range20[0],\n endPosition = _range20[1];\n\n var startLocation = this.locationFromPosition(startPosition);\n var endLocation = this.locationFromPosition(endPosition);\n\n if (startLocation.index === endLocation.index) {\n block = this.getBlockAtIndex(startLocation.index);\n textRange = [startLocation.offset, endLocation.offset];\n return callback(block, textRange, startLocation.index);\n } else {\n for (var index = startLocation.index; index <= endLocation.index; index++) {\n block = this.getBlockAtIndex(index);\n\n if (block) {\n switch (index) {\n case startLocation.index:\n textRange = [startLocation.offset, block.text.getLength()];\n break;\n\n case endLocation.index:\n textRange = [0, endLocation.offset];\n break;\n\n default:\n textRange = [0, block.text.getLength()];\n }\n\n callback(block, textRange, index);\n }\n }\n }\n }\n }, {\n key: \"getCommonAttributesAtRange\",\n value: function getCommonAttributesAtRange(range) {\n range = normalizeRange(range);\n\n var _range21 = range,\n _range22 = _slicedToArray2(_range21, 1),\n startPosition = _range22[0];\n\n if (rangeIsCollapsed(range)) {\n return this.getCommonAttributesAtPosition(startPosition);\n } else {\n var _textAttributes = [];\n var blockAttributes = [];\n this.eachBlockAtRange(range, function (block, textRange) {\n if (textRange[0] !== textRange[1]) {\n _textAttributes.push(block.text.getCommonAttributesAtRange(textRange));\n\n return blockAttributes.push(attributesForBlock(block));\n }\n });\n return Hash.fromCommonAttributesOfObjects(_textAttributes).merge(Hash.fromCommonAttributesOfObjects(blockAttributes)).toObject();\n }\n }\n }, {\n key: \"getCommonAttributesAtPosition\",\n value: function getCommonAttributesAtPosition(position) {\n var key, value;\n\n var _this$locationFromPos9 = this.locationFromPosition(position),\n index = _this$locationFromPos9.index,\n offset = _this$locationFromPos9.offset;\n\n var block = this.getBlockAtIndex(index);\n\n if (!block) {\n return {};\n }\n\n var commonAttributes = attributesForBlock(block);\n var attributes = block.text.getAttributesAtPosition(offset);\n var attributesLeft = block.text.getAttributesAtPosition(offset - 1);\n var inheritableAttributes = Object.keys(config.textAttributes).filter(function (key) {\n return config.textAttributes[key].inheritable;\n });\n\n for (key in attributesLeft) {\n value = attributesLeft[key];\n\n if (value === attributes[key] || inheritableAttributes.includes(key)) {\n commonAttributes[key] = value;\n }\n }\n\n return commonAttributes;\n }\n }, {\n key: \"getRangeOfCommonAttributeAtPosition\",\n value: function getRangeOfCommonAttributeAtPosition(attributeName, position) {\n var _this$locationFromPos10 = this.locationFromPosition(position),\n index = _this$locationFromPos10.index,\n offset = _this$locationFromPos10.offset;\n\n var text = this.getTextAtIndex(index);\n\n var _Array$from6 = Array.from(text.getExpandedRangeForAttributeAtOffset(attributeName, offset)),\n _Array$from7 = _slicedToArray2(_Array$from6, 2),\n startOffset = _Array$from7[0],\n endOffset = _Array$from7[1];\n\n var start = this.positionFromLocation({\n index: index,\n offset: startOffset\n });\n var end = this.positionFromLocation({\n index: index,\n offset: endOffset\n });\n return normalizeRange([start, end]);\n }\n }, {\n key: \"getBaseBlockAttributes\",\n value: function getBaseBlockAttributes() {\n var _this24 = this;\n\n var baseBlockAttributes = this.getBlockAtIndex(0).getAttributes();\n\n var _loop = function _loop(blockIndex) {\n var blockAttributes = _this24.getBlockAtIndex(blockIndex).getAttributes();\n\n var lastAttributeIndex = Math.min(baseBlockAttributes.length, blockAttributes.length);\n\n baseBlockAttributes = function () {\n var result = [];\n\n for (var index = 0; index < lastAttributeIndex; index++) {\n if (blockAttributes[index] !== baseBlockAttributes[index]) {\n break;\n }\n\n result.push(blockAttributes[index]);\n }\n\n return result;\n }();\n };\n\n for (var blockIndex = 1; blockIndex < this.getBlockCount(); blockIndex++) {\n _loop(blockIndex);\n }\n\n return baseBlockAttributes;\n }\n }, {\n key: \"getAttachmentById\",\n value: function getAttachmentById(attachmentId) {\n var _iterator2 = _createForOfIteratorHelper2(this.getAttachments()),\n _step3;\n\n try {\n for (_iterator2.s(); !(_step3 = _iterator2.n()).done;) {\n var attachment = _step3.value;\n\n if (attachment.id === attachmentId) {\n return attachment;\n }\n }\n } catch (err) {\n _iterator2.e(err);\n } finally {\n _iterator2.f();\n }\n }\n }, {\n key: \"getAttachmentPieces\",\n value: function getAttachmentPieces() {\n var attachmentPieces = [];\n this.blockList.eachObject(function (_ref) {\n var text = _ref.text;\n return attachmentPieces = attachmentPieces.concat(text.getAttachmentPieces());\n });\n return attachmentPieces;\n }\n }, {\n key: \"getAttachments\",\n value: function getAttachments() {\n return this.getAttachmentPieces().map(function (piece) {\n return piece.attachment;\n });\n }\n }, {\n key: \"getRangeOfAttachment\",\n value: function getRangeOfAttachment(attachment) {\n var position = 0;\n var iterable = this.blockList.toArray();\n\n for (var index = 0; index < iterable.length; index++) {\n var text = iterable[index].text;\n var textRange = text.getRangeOfAttachment(attachment);\n\n if (textRange) {\n return normalizeRange([position + textRange[0], position + textRange[1]]);\n }\n\n position += text.getLength();\n }\n }\n }, {\n key: \"getLocationRangeOfAttachment\",\n value: function getLocationRangeOfAttachment(attachment) {\n var range = this.getRangeOfAttachment(attachment);\n return this.locationRangeFromRange(range);\n }\n }, {\n key: \"getAttachmentPieceForAttachment\",\n value: function getAttachmentPieceForAttachment(attachment) {\n var _iterator3 = _createForOfIteratorHelper2(this.getAttachmentPieces()),\n _step4;\n\n try {\n for (_iterator3.s(); !(_step4 = _iterator3.n()).done;) {\n var piece = _step4.value;\n\n if (piece.attachment === attachment) {\n return piece;\n }\n }\n } catch (err) {\n _iterator3.e(err);\n } finally {\n _iterator3.f();\n }\n }\n }, {\n key: \"findRangesForBlockAttribute\",\n value: function findRangesForBlockAttribute(attributeName) {\n var position = 0;\n var ranges = [];\n this.getBlocks().forEach(function (block) {\n var length = block.getLength();\n\n if (block.hasAttribute(attributeName)) {\n ranges.push([position, position + length]);\n }\n\n position += length;\n });\n return ranges;\n }\n }, {\n key: \"findRangesForTextAttribute\",\n value: function findRangesForTextAttribute(attributeName) {\n var _ref8 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},\n withValue = _ref8.withValue;\n\n var position = 0;\n var range = [];\n var ranges = [];\n\n var match = function match(piece) {\n if (withValue) {\n return piece.getAttribute(attributeName) === withValue;\n } else {\n return piece.hasAttribute(attributeName);\n }\n };\n\n this.getPieces().forEach(function (piece) {\n var length = piece.getLength();\n\n if (match(piece)) {\n if (range[1] === position) {\n range[1] = position + length;\n } else {\n ranges.push(range = [position, position + length]);\n }\n }\n\n position += length;\n });\n return ranges;\n }\n }, {\n key: \"locationFromPosition\",\n value: function locationFromPosition(position) {\n var location = this.blockList.findIndexAndOffsetAtPosition(Math.max(0, position));\n\n if (location.index != null) {\n return location;\n } else {\n var blocks = this.getBlocks();\n return {\n index: blocks.length - 1,\n offset: blocks[blocks.length - 1].getLength()\n };\n }\n }\n }, {\n key: \"positionFromLocation\",\n value: function positionFromLocation(location) {\n return this.blockList.findPositionAtIndexAndOffset(location.index, location.offset);\n }\n }, {\n key: \"locationRangeFromPosition\",\n value: function locationRangeFromPosition(position) {\n return normalizeRange(this.locationFromPosition(position));\n }\n }, {\n key: \"locationRangeFromRange\",\n value: function locationRangeFromRange(range) {\n range = normalizeRange(range);\n if (!range) return;\n\n var _Array$from8 = Array.from(range),\n _Array$from9 = _slicedToArray2(_Array$from8, 2),\n startPosition = _Array$from9[0],\n endPosition = _Array$from9[1];\n\n var startLocation = this.locationFromPosition(startPosition);\n var endLocation = this.locationFromPosition(endPosition);\n return normalizeRange([startLocation, endLocation]);\n }\n }, {\n key: \"rangeFromLocationRange\",\n value: function rangeFromLocationRange(locationRange) {\n var rightPosition;\n locationRange = normalizeRange(locationRange);\n var leftPosition = this.positionFromLocation(locationRange[0]);\n\n if (!rangeIsCollapsed(locationRange)) {\n rightPosition = this.positionFromLocation(locationRange[1]);\n }\n\n return normalizeRange([leftPosition, rightPosition]);\n }\n }, {\n key: \"isEqualTo\",\n value: function isEqualTo(document) {\n return this.blockList.isEqualTo(document === null || document === void 0 ? void 0 : document.blockList);\n }\n }, {\n key: \"getTexts\",\n value: function getTexts() {\n return this.getBlocks().map(function (block) {\n return block.text;\n });\n }\n }, {\n key: \"getPieces\",\n value: function getPieces() {\n var pieces = [];\n Array.from(this.getTexts()).forEach(function (text) {\n pieces.push.apply(pieces, _toConsumableArray2(Array.from(text.getPieces() || [])));\n });\n return pieces;\n }\n }, {\n key: \"getObjects\",\n value: function getObjects() {\n return this.getBlocks().concat(this.getTexts()).concat(this.getPieces());\n }\n }, {\n key: \"toSerializableDocument\",\n value: function toSerializableDocument() {\n var blocks = [];\n this.blockList.eachObject(function (block) {\n return blocks.push(block.copyWithText(block.text.toSerializableText()));\n });\n return new this.constructor(blocks);\n }\n }, {\n key: \"toString\",\n value: function toString() {\n return this.blockList.toString();\n }\n }, {\n key: \"toJSON\",\n value: function toJSON() {\n return this.blockList.toJSON();\n }\n }, {\n key: \"toConsole\",\n value: function toConsole() {\n return JSON.stringify(this.blockList.toArray()).map(function (block) {\n return JSON.parse(block.text.toConsole());\n });\n }\n }], [{\n key: \"fromJSON\",\n value: function fromJSON(documentJSON) {\n var blocks = Array.from(documentJSON).map(function (blockJSON) {\n return Block.fromJSON(blockJSON);\n });\n return new this(blocks);\n }\n }, {\n key: \"fromString\",\n value: function fromString(string, textAttributes) {\n var text = Text.textForStringWithAttributes(string, textAttributes);\n return new this([new Block(text)]);\n }\n }]);\n\n return Document;\n}(TrixObject);\n\nvar attributesForBlock = function attributesForBlock(block) {\n var attributes = {};\n var attributeName = block.getLastAttribute();\n\n if (attributeName) {\n attributes[attributeName] = true;\n }\n\n return attributes;\n};\n\nvar DEFAULT_ALLOWED_ATTRIBUTES = \"style href src width height class\".split(\" \");\nvar DEFAULT_FORBIDDEN_PROTOCOLS = \"javascript:\".split(\" \");\nvar DEFAULT_FORBIDDEN_ELEMENTS = \"script iframe\".split(\" \");\n\nvar HTMLSanitizer = /*#__PURE__*/function (_BasicObject8) {\n _inherits2(HTMLSanitizer, _BasicObject8);\n\n var _super19 = _createSuper2(HTMLSanitizer);\n\n function HTMLSanitizer(html) {\n var _this25;\n\n _classCallCheck2(this, HTMLSanitizer);\n\n var _ref9 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},\n allowedAttributes = _ref9.allowedAttributes,\n forbiddenProtocols = _ref9.forbiddenProtocols,\n forbiddenElements = _ref9.forbiddenElements;\n\n _this25 = _super19.apply(this, arguments);\n _this25.allowedAttributes = allowedAttributes || DEFAULT_ALLOWED_ATTRIBUTES;\n _this25.forbiddenProtocols = forbiddenProtocols || DEFAULT_FORBIDDEN_PROTOCOLS;\n _this25.forbiddenElements = forbiddenElements || DEFAULT_FORBIDDEN_ELEMENTS;\n _this25.body = createBodyElementForHTML(html);\n return _this25;\n }\n\n _createClass2(HTMLSanitizer, [{\n key: \"sanitize\",\n value: function sanitize() {\n this.sanitizeElements();\n return this.normalizeListElementNesting();\n }\n }, {\n key: \"getHTML\",\n value: function getHTML() {\n return this.body.innerHTML;\n }\n }, {\n key: \"getBody\",\n value: function getBody() {\n return this.body;\n } // Private\n\n }, {\n key: \"sanitizeElements\",\n value: function sanitizeElements() {\n var walker = walkTree(this.body);\n var nodesToRemove = [];\n\n while (walker.nextNode()) {\n var node = walker.currentNode;\n\n switch (node.nodeType) {\n case Node.ELEMENT_NODE:\n if (this.elementIsRemovable(node)) {\n nodesToRemove.push(node);\n } else {\n this.sanitizeElement(node);\n }\n\n break;\n\n case Node.COMMENT_NODE:\n nodesToRemove.push(node);\n break;\n }\n }\n\n nodesToRemove.forEach(function (node) {\n return removeNode(node);\n });\n return this.body;\n }\n }, {\n key: \"sanitizeElement\",\n value: function sanitizeElement(element) {\n var _this26 = this;\n\n if (element.hasAttribute(\"href\")) {\n if (this.forbiddenProtocols.includes(element.protocol)) {\n element.removeAttribute(\"href\");\n }\n }\n\n Array.from(element.attributes).forEach(function (_ref) {\n var name = _ref.name;\n\n if (!_this26.allowedAttributes.includes(name) && name.indexOf(\"data-trix\") !== 0) {\n element.removeAttribute(name);\n }\n });\n return element;\n }\n }, {\n key: \"normalizeListElementNesting\",\n value: function normalizeListElementNesting() {\n Array.from(this.body.querySelectorAll(\"ul,ol\")).forEach(function (listElement) {\n var previousElement = listElement.previousElementSibling;\n\n if (previousElement) {\n if (tagName(previousElement) === \"li\") {\n previousElement.appendChild(listElement);\n }\n }\n });\n return this.body;\n }\n }, {\n key: \"elementIsRemovable\",\n value: function elementIsRemovable(element) {\n if ((element === null || element === void 0 ? void 0 : element.nodeType) !== Node.ELEMENT_NODE) return;\n return this.elementIsForbidden(element) || this.elementIsntSerializable(element);\n }\n }, {\n key: \"elementIsForbidden\",\n value: function elementIsForbidden(element) {\n return this.forbiddenElements.includes(tagName(element));\n }\n }, {\n key: \"elementIsntSerializable\",\n value: function elementIsntSerializable(element) {\n return element.getAttribute(\"data-trix-serialize\") === \"false\" && !nodeIsAttachmentElement(element);\n }\n }], [{\n key: \"sanitize\",\n value: function sanitize(html, options) {\n var sanitizer = new this(html, options);\n sanitizer.sanitize();\n return sanitizer;\n }\n }]);\n\n return HTMLSanitizer;\n}(BasicObject);\n\nvar createBodyElementForHTML = function createBodyElementForHTML() {\n var html = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : \"\"; // Remove everything after