trilium/public/libraries/ckeditor/ckeditor.js

/**
 * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md.
 */
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_a('model-node-not-found-in-parent: The node\'s parent does not contain this node.');return e}get startOffset(){let e;if(!this.parent)return null;if(null===(e=this.parent.getChildStartOffset(this)))throw new _a('model-node-not-found-in-parent: The node\'s parent does not contain this node.');return e}get offsetSize(){return 1}get endOffset(){return this.parent?this.startOffset+this.offsetSize:null}get nextSibling(){const e=this.index;return null!==e&&this.parent.getChild(e+1)||null}get previousSibling(){const e=this.index;return null!==e&&this.parent.getChild(e-1)||null}get root(){let e=this;for(;e.parent;)e=e.parent;return e}get document(){return this.root==this?null:this.root.document||null}clone(){return new $s(this._attrs)}getPath(){const e=[];for(let t=this;t.parent;)e.unshift(t.startOffset),t=t.parent;return e}getAncestors(e={includeSelf:!1,parentFirst:!1}){const t=[];for(let n=e.includeSelf?this:this.parent;n;)t[e.parentFirst?'push':'unshift'](n),n=n.parent;return t}getCommonAncestor(e,t={}){const n=this.getAncestors(t),o=e.getAncestors(t);let r=0;for(;n[r]==o[r]&&n[r];)r++;return 0==r?null:n[r-1]}remove(){this.parent.removeChildren(this.index)}hasAttribute(e){return this._attrs.has(e)}getAttribute(e){return this._attrs.get(e)}getAttributes(){return this._attrs.entries()}getAttributeKeys(){return this._attrs.keys()}setAttribute(e,t){this._attrs.set(e,t)}setAttributesTo(e){this._attrs=P(e)}removeAttribute(e){return this._attrs.delete(e)}clearAttributes(){this._attrs.clear()}toJSON(){const e={};return this._attrs.size&&(e.attributes=[...this._attrs]),e}}class Ks extends $s{constructor(e,t){super(t),this.data=e||''}get offsetSize(){return this.data.length}is(e){return'text'==e}clone(){return new Ks(this.data,this.getAttributes())}toJSON(){const e=super.toJSON();return e.data=this.data,e}static fromJSON(e){return new Ks(e.data,e.attributes)}}class Qs{constructor(e,t,n){if(this.textNode=e,0>t||t>e.offsetSize)throw new _a('model-textproxy-wrong-offsetintext: Given offsetInText value is incorrect.');if(0>n||t+n>e.offsetSize)throw new _a('model-textproxy-wrong-length: Given length value is incorrect.');this.data=e.data.substring(t,t+n),this.offsetInText=t}get startOffset(){return null===this.textNode.startOffset?null:this.textNode.startOffset+this.offsetInText}get offsetSize(){return this.data.length}get endOffset(){return null===this.startOffset?null:this.startOffset+this.offsetSize}get isPartial(){return this.offsetSize!==this.textNode.offsetSize}get parent(){return this.textNode.parent}get root(){return this.textNode.root}get document(){return this.textNode.document}is(e){return'textProxy'==e}getPath(){const e=this.textNode.getPath();return 0<e.length&&(e[e.length-1]+=this.offsetInText),e}getAncestors(e={includeSelf:!1,parentFirst:!1}){const t=[];for(let n=e.includeSelf?this:this.parent;n;)t[e.parentFirst?'push':'unshift'](n),n=n.parent;return t}hasAttribute(e){return 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this._children.getNodeStartOffset(e)}clone(e=!1){const t=e?Array.from(this._children).map((e)=>e.clone(!0)):null;return new Gs(this.name,this.getAttributes(),t)}offsetToIndex(e){return this._children.offsetToIndex(e)}appendChildren(e){this.insertChildren(this.childCount,e)}insertChildren(e,t){t=S(t);for(const n of t)null!==n.parent&&n.remove(),n.parent=this;this._children.insertNodes(e,t)}removeChildren(e,t=1){const n=this._children.removeNodes(e,t);for(const o of n)o.parent=null;return n}getNodeByPath(e){let t=this;for(const n of e)t=t.getChild(t.offsetToIndex(n));return t}toJSON(){const e=super.toJSON();if(e.name=this.name,0<this._children.length){e.children=[];for(const t of this._children)e.children.push(t.toJSON())}return e}static fromJSON(e){let t=null;if(e.children){t=[];for(const n of e.children)n.name?t.push(Gs.fromJSON(n)):t.push(Ks.fromJSON(n))}return new Gs(e.name,e.attributes,t)}}class Ys{constructor(e={}){if(!e.boundaries&&!e.startPosition)throw new _a('model-tree-walker-no-start-position: Neither boundaries nor starting position have been defined.');const t=e.direction||'forward';if('forward'!=t&&'backward'!=t)throw new _a('model-tree-walker-unknown-direction: Only `backward` and `forward` direction allowed.',{direction:t});this.direction=t,this.boundaries=e.boundaries||null,this.position=e.startPosition?Zs.createFromPosition(e.startPosition):Zs.createFromPosition(this.boundaries['backward'==this.direction?'end':'start']),this.singleCharacters=!!e.singleCharacters,this.shallow=!!e.shallow,this.ignoreElementEnd=!!e.ignoreElementEnd,this._boundaryStartParent=this.boundaries?this.boundaries.start.parent:null,this._boundaryEndParent=this.boundaries?this.boundaries.end.parent:null,this._visitedParent=this.position.parent}[Symbol.iterator](){return this}skip(e){let t,n,o,i;do o=this.position,i=this._visitedParent,({done:t,value:n}=this.next());while(!t&&e(n));t||(this.position=o,this._visitedParent=i)}next(){return'forward'==this.direction?this._next():this._previous()}_next(){const e=this.position,t=Zs.createFromPosition(this.position),n=this._visitedParent;if(null===n.parent&&t.offset===n.maxOffset)return{done:!0};if(n===this._boundaryEndParent&&t.offset==this.boundaries.end.offset)return{done:!0};const o=t.textNode?t.textNode:t.nodeAfter;if(o instanceof Gs)return this.shallow?t.offset++:(t.path.push(0),this._visitedParent=o),this.position=t,V('elementStart',o,e,t,1);if(o instanceof Ks){let i;if(this.singleCharacters)i=1;else{let e=o.endOffset;this._boundaryEndParent==n&&this.boundaries.end.offset<e&&(e=this.boundaries.end.offset),i=e-t.offset}const r=t.offset-o.startOffset,a=new Qs(o,r,i);return t.offset+=i,this.position=t,V('text',a,e,t,i)}return t.path.pop(),t.offset++,this.position=t,this._visitedParent=n.parent,this.ignoreElementEnd?this._next():V('elementEnd',n,e,t)}_previous(){const e=this.position,t=Zs.createFromPosition(this.position),n=this._visitedParent;if(null===n.parent&&0===t.offset)return{done:!0};if(n==this._boundaryStartParent&&t.offset==this.boundaries.start.offset)return{done:!0};const o=t.textNode?t.textNode:t.nodeBefore;if(o instanceof Gs)return t.offset--,this.shallow?(this.position=t,V('elementStart',o,e,t,1)):(t.path.push(o.maxOffset),this.position=t,this._visitedParent=o,this.ignoreElementEnd?this._previous():V('elementEnd',o,e,t));if(o instanceof Ks){let i;if(this.singleCharacters)i=1;else{let e=o.startOffset;this._boundaryStartParent==n&&this.boundaries.start.offset>e&&(e=this.boundaries.start.offset),i=t.offset-e}const r=t.offset-o.startOffset,a=new Qs(o,r-i,i);return t.offset-=i,this.position=t,V('text',a,e,t,i)}return t.path.pop(),this.position=t,this._visitedParent=n.parent,V('elementStart',n,e,t,1)}}var Xs=function(e){var t=e?e.length:0;return t?e[t-1]:void 0};class Zs{constructor(e,t){if(!e.is('element')&&!e.is('documentFragment'))throw new _a('model-position-root-invalid: Position root invalid.');if(!(t instanceof Array)||0===t.length)throw new _a('model-position-path-incorrect: Position path must be an array with at least one item.',{path:t});t=e.getPath().concat(t),e=e.root,this.root=e,this.path=t}get offset(){return Xs(this.path)}set offset(e){this.path[this.path.length-1]=e}get parent(){let e=this.root;for(let t=0;t<this.path.length-1;t++)e=e.getChild(e.offsetToIndex(this.path[t]));return e}get index(){return this.parent.offsetToIndex(this.offset)}get textNode(){const e=this.parent.getChild(this.index);return e instanceof Ks&&e.startOffset<this.offset?e:null}get nodeAfter(){return null===this.textNode?this.parent.getChild(this.index):null}get nodeBefore(){return null===this.textNode?this.parent.getChild(this.index-1):null}get isAtStart(){return 0===this.offset}get isAtEnd(){return this.offset==this.parent.maxOffset}compareWith(e){if(this.root!=e.root)return'different';const t=O(this.path,e.path);return'same'===t?'same':'prefix'===t?'before':'extension'===t?'after':this.path[t]<e.path[t]?'before':'after'}getLastMatchingPosition(e,t={}){t.startPosition=this;const n=new Ys(t);return n.skip(e),n.position}getParentPath(){return this.path.slice(0,-1)}getAncestors(){return this.parent.is('documentFragment')?[this.parent]:this.parent.getAncestors({includeSelf:!0})}getCommonPath(e){if(this.root!=e.root)return[];const t=O(this.path,e.path),n='string'==typeof t?oa(this.path.length,e.path.length):t;return this.path.slice(0,n)}getCommonAncestor(e){const t=this.getAncestors(),n=e.getAncestors();let o=0;for(;t[o]==n[o]&&t[o];)o++;return 0==o?null:t[o-1]}getShiftedBy(e){const t=Zs.createFromPosition(this),n=t.offset+e;return t.offset=0>n?0:n,t}isAfter(e){return'after'==this.compareWith(e)}isBefore(e){return'before'==this.compareWith(e)}isEqual(e){return'same'==this.compareWith(e)}isTouching(e){let t=null,n=null;const o=this.compareWith(e);switch(o){case'same':return!0;case'before':t=Zs.createFromPosition(this),n=Zs.createFromPosition(e);break;case'after':t=Zs.createFromPosition(e),n=Zs.createFromPosition(this);break;default:return!1;}for(let o=t.parent;t.path.length+n.path.length;){if(t.isEqual(n))return!0;if(t.path.length>n.path.length){if(t.offset!==o.maxOffset)return!1;t.path=t.path.slice(0,-1),o=o.parent,t.offset++}else{if(0!==n.offset)return!1;n.path=n.path.slice(0,-1)}}}_getTransformedByDeletion(e,t){const n=Zs.createFromPosition(this);if(this.root!=e.root)return n;if('same'==O(e.getParentPath(),this.getParentPath())){if(e.offset<this.offset){if(e.offset+t>this.offset)return null;n.offset-=t}}else if('prefix'==O(e.getParentPath(),this.getParentPath())){const o=e.path.length-1;if(e.offset<=this.path[o]){if(e.offset+t>this.path[o])return null;n.path[o]-=t}}return n}_getTransformedByInsertion(e,t,n){const o=Zs.createFromPosition(this);if(this.root!=e.root)return o;if('same'==O(e.getParentPath(),this.getParentPath()))(e.offset<this.offset||e.offset==this.offset&&n)&&(o.offset+=t);else if('prefix'==O(e.getParentPath(),this.getParentPath())){const n=e.path.length-1;e.offset<=this.path[n]&&(o.path[n]+=t)}return o}_getTransformedByMove(e,t,n,o,i){let r=this._getTransformedByDeletion(e,n);return t=t._getTransformedByDeletion(e,n),r=null===r||i&&r.isEqual(e)?this._getCombined(e,t):r._getTransformedByInsertion(t,n,o),r}_getCombined(e,t){const n=e.path.length-1,o=Zs.createFromPosition(t);return o.offset=o.offset+this.path[n]-e.offset,o.path=o.path.concat(this.path.slice(n+1)),o}static createAt(e,t){if(e instanceof Zs)return this.createFromPosition(e);else{const n=e;if('end'==t)t=n.maxOffset;else{if('before'==t)return 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Qd))return!1;if(this===e)return!0;if(this.name!=e.name)return!1;if(this._attrs.size!==e._attrs.size||this._classes.size!==e._classes.size||this._styles.size!==e._styles.size)return!1;for(const[t,n]of this._attrs)if(!e._attrs.has(t)||e._attrs.get(t)!==n)return!1;for(const t of this._classes)if(!e._classes.has(t))return!1;for(const[t,n]of this._styles)if(!e._styles.has(t)||e._styles.get(t)!==n)return!1;return!0}addClass(...e){this._fireChange('attributes',this),e.forEach((e)=>this._classes.add(e))}removeClass(...e){this._fireChange('attributes',this),e.forEach((e)=>this._classes.delete(e))}hasClass(...e){for(const t of e)if(!this._classes.has(t))return!1;return!0}getClassNames(){return this._classes.keys()}setStyle(e,t){if(this._fireChange('attributes',this),fa(e)){const t=Object.keys(e);for(const n of t)this._styles.set(n,e[n])}else this._styles.set(e,t)}getStyle(e){return this._styles.get(e)}getStyleNames(){return this._styles.keys()}hasStyle(...e){for(const t of e)if(!this._styles.has(t))return!1;return!0}removeStyle(...e){this._fireChange('attributes',this),e.forEach((e)=>this._styles.delete(e))}findAncestor(...e){const t=new Kd(...e);for(let n=this.parent;n;){if(t.match(n))return n;n=n.parent}return null}setCustomProperty(e,t){this._customProperties.set(e,t)}getCustomProperty(e){return this._customProperties.get(e)}removeCustomProperty(e){return this._customProperties.delete(e)}*getCustomProperties(){yield*this._customProperties.entries()}getIdentity(){const e=Array.from(this._classes).sort().join(','),t=Array.from(this._styles).map((e)=>`${e[0]}:${e[1]}`).sort().join(';'),n=Array.from(this._attrs).map((e)=>`${e[0]}="${e[1]}"`).sort().join(' ');return this.name+(''==e?'':` class="${e}"`)+(''==t?'':` style="${t}"`)+(''==n?'':` ${n}`)}}class Jd{constructor(e,t,n){if(this.textNode=e,0>t||t>e.data.length)throw new _a('view-textproxy-wrong-offsetintext: Given offsetInText value is incorrect.');if(0>n||t+n>e.data.length)throw new _a('view-textproxy-wrong-length: Given length value is incorrect.');this.data=e.data.substring(t,t+n),this.offsetInText=t}get isPartial(){return this.data.length!==this.textNode.data.length}get parent(){return this.textNode.parent}get root(){return this.textNode.root}get document(){return this.textNode.document}is(e){return'textProxy'==e}getAncestors(e={includeSelf:!1,parentFirst:!1}){const t=[];for(let n=e.includeSelf?this.textNode:this.parent;null!==n;)t[e.parentFirst?'push':'unshift'](n),n=n.parent;return t}}class Gd{constructor(e={}){if(!e.boundaries&&!e.startPosition)throw new _a('view-tree-walker-no-start-position: Neither boundaries nor starting position have been defined.');if(e.direction&&'forward'!=e.direction&&'backward'!=e.direction)throw new _a('view-tree-walker-unknown-direction: Only `backward` and `forward` direction allowed.',{direction:e.direction});this.boundaries=e.boundaries||null,this.position=e.startPosition?ec.createFromPosition(e.startPosition):ec.createFromPosition(e.boundaries['backward'==e.direction?'end':'start']),this.direction=e.direction||'forward',this.singleCharacters=!!e.singleCharacters,this.shallow=!!e.shallow,this.ignoreElementEnd=!!e.ignoreElementEnd,this._boundaryStartParent=this.boundaries?this.boundaries.start.parent:null,this._boundaryEndParent=this.boundaries?this.boundaries.end.parent:null}[Symbol.iterator](){return this}skip(e){let t,n,o;do o=this.position,({done:t,value:n}=this.next());while(!t&&e(n));t||(this.position=o)}next(){return'forward'==this.direction?this._next():this._previous()}_next(){let e=ec.createFromPosition(this.position);const t=this.position,n=e.parent;if(null===n.parent&&e.offset===n.childCount)return{done:!0};if(n===this._boundaryEndParent&&e.offset==this.boundaries.end.offset)return{done:!0};let o;if(n instanceof $d){if(e.isAtEnd)return this.position=ec.createAfter(n),this._next();o=n.data[e.offset]}else o=n.getChild(e.offset);if(o instanceof Qd)return this.shallow?e.offset++:e=new ec(o,0),this.position=e,this._formatReturnValue('elementStart',o,t,e,1);if(!(o instanceof $d)){if('string'==typeof o){let o;if(this.singleCharacters)o=1;else{const t=n===this._boundaryEndParent?this.boundaries.end.offset:n.data.length;o=t-e.offset}const i=new Jd(n,e.offset,o);return e.offset+=o,this.position=e,this._formatReturnValue('text',i,t,e,o)}return e=ec.createAfter(n),this.position=e,this.ignoreElementEnd?this._next():this._formatReturnValue('elementEnd',n,t,e)}if(this.singleCharacters)return e=new ec(o,0),this.position=e,this._next();else{let n=o.data.length,i=o;return o==this._boundaryEndParent?(n=this.boundaries.end.offset,i=new Jd(o,0,n),e=ec.createAfter(i)):e.offset++,this.position=e,this._formatReturnValue('text',i,t,e,n)}}_previous(){let e=ec.createFromPosition(this.position);const t=this.position,n=e.parent;if(null===n.parent&&0===e.offset)return{done:!0};if(n==this._boundaryStartParent&&e.offset==this.boundaries.start.offset)return{done:!0};let o;if(n instanceof $d){if(e.isAtStart)return this.position=ec.createBefore(n),this._previous();o=n.data[e.offset-1]}else o=n.getChild(e.offset-1);if(o instanceof Qd)return this.shallow?(e.offset--,this.position=e,this._formatReturnValue('elementStart',o,t,e,1)):(e=new ec(o,o.childCount),this.position=e,this.ignoreElementEnd?this._previous():this._formatReturnValue('elementEnd',o,t,e));if(!(o instanceof $d)){if('string'==typeof o){let o;if(!this.singleCharacters){const t=n===this._boundaryStartParent?this.boundaries.start.offset:0;o=e.offset-t}else o=1;e.offset-=o;const i=new Jd(n,e.offset,o);return this.position=e,this._formatReturnValue('text',i,t,e,o)}return e=ec.createBefore(n),this.position=e,this._formatReturnValue('elementStart',n,t,e,1)}if(this.singleCharacters)return e=new ec(o,o.data.length),this.position=e,this._previous();else{let n=o.data.length,i=o;if(o==this._boundaryStartParent){const t=this.boundaries.start.offset;i=new Jd(o,t,o.data.length-t),n=i.data.length,e=ec.createBefore(i)}else e.offset--;return this.position=e,this._formatReturnValue('text',i,t,e,n)}}_formatReturnValue(e,t,n,o,i){return t instanceof Jd&&(t.offsetInText+t.data.length==t.textNode.data.length&&('forward'!=this.direction||this.boundaries&&this.boundaries.end.isEqual(this.position)?n=ec.createAfter(t.textNode):(o=ec.createAfter(t.textNode),this.position=o)),0===t.offsetInText&&('backward'!=this.direction||this.boundaries&&this.boundaries.start.isEqual(this.position)?n=ec.createBefore(t.textNode):(o=ec.createBefore(t.textNode),this.position=o))),{done:!1,value:{type:e,item:t,previousPosition:n,nextPosition:o,length:i}}}}class Yd extends Qd{constructor(e,t,n){super(e,t,n),this.getFillerOffset=K}is(e,t=null){return t?'containerElement'==e&&t==this.name||super.is(e,t):'containerElement'==e||super.is(e)}}const Xd=Symbol('document');class Zd extends Yd{constructor(e,t,n){super(e,t,n),this.set('isReadOnly',!1),this.set('isFocused',!1)}get document(){return this.getCustomProperty(Xd)}set document(e){if(this.getCustomProperty(Xd))throw new _a('view-editableelement-document-already-set: View document is already set.');this.setCustomProperty(Xd,e),this.bind('isReadOnly').to(e),this.bind('isFocused').to(e,'isFocused',(t)=>t&&e.selection.editableElement==this),this.listenTo(e,'render',()=>{this.isFocused=e.isFocused&&e.selection.editableElement==this},{priority:'high'})}}a(Zd,Us);class ec{constructor(e,t){this.parent=e,this.offset=t}get nodeAfter(){return this.parent.is('text')?null:this.parent.getChild(this.offset)||null}get nodeBefore(){return this.parent.is('text')?null:this.parent.getChild(this.offset-1)||null}get isAtStart(){return 0===this.offset}get isAtEnd(){const e=this.parent.is('text')?this.parent.data.length:this.parent.childCount;return this.offset===e}get root(){return this.parent.root}get editableElement(){let e=this.parent;for(;!(e instanceof Zd);)if(e.parent)e=e.parent;else return null;return e}getShiftedBy(e){const t=ec.createFromPosition(this),n=t.offset+e;return t.offset=0>n?0:n,t}getLastMatchingPosition(e,t={}){t.startPosition=this;const n=new Gd(t);return n.skip(e),n.position}getAncestors(){return this.parent.is('documentFragment')?[this.parent]:this.parent.getAncestors({includeSelf:!0})}getCommonAncestor(e){const t=this.getAncestors(),n=e.getAncestors();let o=0;for(;t[o]==n[o]&&t[o];)o++;return 0==o?null:t[o-1]}isEqual(e){return this.parent==e.parent&&this.offset==e.offset}isBefore(e){return'before'==this.compareWith(e)}isAfter(e){return'after'==this.compareWith(e)}compareWith(e){if(this.isEqual(e))return'same';if(this.parent===e.parent)return 0>this.offset-e.offset?'before':'after';const t=this.getAncestors(),n=e.getAncestors(),o=O(t,n);let i;switch(o){case 0:return'different';case'prefix':i=t.length-1;break;case'extension':i=n.length-1;break;default:i=o-1;}const r=t[i],a=t[i+1],s=n[i+1];if(r===this.parent){const e=this.offset-s.index;return 0>=e?'before':'after'}if(r===e.parent){const t=a.index-e.offset;return 0>t?'before':'after'}const l=a.index-s.index;return 0>l?'before':'after'}static createAt(e,t){if(e instanceof ec)return this.createFromPosition(e);else{const n=e;if('end'==t)t=n.is('text')?n.data.length:n.childCount;else{if('before'==t)return this.createBefore(n);if('after'==t)return this.createAfter(n);t||(t=0)}return new ec(n,t)}}static createAfter(e){if(e.is('textProxy'))return new ec(e.textNode,e.offsetInText+e.data.length);if(!e.parent)throw new _a('view-position-after-root: You can not make position after root.',{root:e});return new ec(e.parent,e.index+1)}static createBefore(e){if(e.is('textProxy'))return new ec(e.textNode,e.offsetInText);if(!e.parent)throw new _a('view-position-before-root: You can not make position before root.',{root:e});return new ec(e.parent,e.index)}static createFromPosition(e){return new this(e.parent,e.offset)}}class tc{constructor(e,t=null){this.start=ec.createFromPosition(e),this.end=t?ec.createFromPosition(t):ec.createFromPosition(e)}*[Symbol.iterator](){yield*new Gd({boundaries:this,ignoreElementEnd:!0})}get isCollapsed(){return this.start.isEqual(this.end)}get isFlat(){return this.start.parent===this.end.parent}get root(){return this.start.root}getEnlarged(){let e=this.start.getLastMatchingPosition(Q,{direction:'backward'}),t=this.end.getLastMatchingPosition(Q);return e.parent.is('text')&&e.isAtStart&&(e=ec.createBefore(e.parent)),t.parent.is('text')&&t.isAtEnd&&(t=ec.createAfter(t.parent)),new tc(e,t)}getTrimmed(){let e=this.start.getLastMatchingPosition(Q);if(e.isAfter(this.end)||e.isEqual(this.end))return new tc(e,e);let t=this.end.getLastMatchingPosition(Q,{direction:'backward'});const n=e.nodeAfter,o=t.nodeBefore;return n&&n.is('text')&&(e=new ec(n,0)),o&&o.is('text')&&(t=new ec(o,o.data.length)),new tc(e,t)}isEqual(e){return this==e||this.start.isEqual(e.start)&&this.end.isEqual(e.end)}containsPosition(e){return e.isAfter(this.start)&&e.isBefore(this.end)}containsRange(e,t=!1){e.isCollapsed&&(t=!1);const n=this.containsPosition(e.start)||t&&this.start.isEqual(e.start),o=this.containsPosition(e.end)||t&&this.end.isEqual(e.end);return n&&o}getDifference(e){const t=[];return this.isIntersecting(e)?(this.containsPosition(e.start)&&t.push(new tc(this.start,e.start)),this.containsPosition(e.end)&&t.push(new tc(e.end,this.end))):t.push(tc.createFromRange(this)),t}getIntersection(e){if(this.isIntersecting(e)){let t=this.start,n=this.end;return this.containsPosition(e.start)&&(t=e.start),this.containsPosition(e.end)&&(n=e.end),new tc(t,n)}return null}getWalker(e={}){return e.boundaries=this,new Gd(e)}getCommonAncestor(){return this.start.getCommonAncestor(this.end)}*getItems(e={}){e.boundaries=this,e.ignoreElementEnd=!0;const t=new Gd(e);for(const n of t)yield n.item}*getPositions(e={}){e.boundaries=this;const t=new Gd(e);yield t.position;for(const n of t)yield n.nextPosition}isIntersecting(e){return this.start.isBefore(e.end)&&this.end.isAfter(e.start)}static createFromParentsAndOffsets(e,t,n,o){return new this(new ec(e,t),new ec(n,o))}static createFromRange(e){return new this(e.start,e.end)}static createFromPositionAndShift(e,t){const n=e,o=e.getShiftedBy(t);return 0<t?new this(n,o):new this(o,n)}static createIn(e){return this.createFromParentsAndOffsets(e,0,e,e.childCount)}static createOn(e){return this.createFromPositionAndShift(ec.createBefore(e),1)}static createCollapsedAt(e,t){const n=ec.createAt(e,t),o=ec.createFromPosition(n);return new tc(n,o)}}class nc{constructor(){this._modelToViewMapping=new WeakMap,this._viewToModelMapping=new WeakMap,this._viewToModelLengthCallbacks=new Map,this.on('modelToViewPosition',(e,t)=>{if(!t.viewPosition){const e=this._modelToViewMapping.get(t.modelPosition.parent);t.viewPosition=this._findPositionIn(e,t.modelPosition.offset)}},{priority:'low'}),this.on('viewToModelPosition',(e,t)=>{if(t.modelPosition)return;let n=t.viewPosition.parent,o=this._viewToModelMapping.get(n);for(;!o;)n=n.parent,o=this._viewToModelMapping.get(n);const i=this._toModelOffset(t.viewPosition.parent,t.viewPosition.offset,n);t.modelPosition=Zs.createFromParentAndOffset(o,i)},{priority:'low'})}bindElements(e,t){this._modelToViewMapping.set(e,t),this._viewToModelMapping.set(t,e)}unbindViewElement(e){const t=this.toModelElement(e);this._unbindElements(t,e)}unbindModelElement(e){const t=this.toViewElement(e);this._unbindElements(e,t)}clearBindings(){this._modelToViewMapping=new WeakMap,this._viewToModelMapping=new WeakMap}toModelElement(e){return this._viewToModelMapping.get(e)}toViewElement(e){return this._modelToViewMapping.get(e)}toModelRange(e){return new el(this.toModelPosition(e.start),this.toModelPosition(e.end))}toViewRange(e){return new tc(this.toViewPosition(e.start),this.toViewPosition(e.end))}toModelPosition(e){const t={viewPosition:e,mapper:this};return this.fire('viewToModelPosition',t),t.modelPosition}toViewPosition(e){const t={modelPosition:e,mapper:this};return this.fire('modelToViewPosition',t),t.viewPosition}registerViewToModelLength(e,t){this._viewToModelLengthCallbacks.set(e,t)}_toModelOffset(e,t,n){if(n!=e){const o=this._toModelOffset(e.parent,e.index,n),i=this._toModelOffset(e,t,e);return o+i}if(e.is('text'))return t;let o=0;for(let r=0;r<t;r++)o+=this.getModelLength(e.getChild(r));return o}_unbindElements(e,t){this._viewToModelMapping.delete(t),this._modelToViewMapping.delete(e)}getModelLength(e){if(this._viewToModelLengthCallbacks.get(e.name)){const t=this._viewToModelLengthCallbacks.get(e.name);return t(e)}if(this._viewToModelMapping.has(e))return 1;if(e.is('text'))return e.data.length;if(e.is('uiElement'))return 0;else{let t=0;for(const n of e.getChildren())t+=this.getModelLength(n);return t}}_findPositionIn(e,t){let n=0,o=0,i=0,r;if(e.is('text'))return new ec(e,t);for(;o<t;)r=e.getChild(i),n=this.getModelLength(r),o+=n,i++;return o==t?this._moveViewPositionToTextNode(new ec(e,i)):this._findPositionIn(r,t-(o-n))}_moveViewPositionToTextNode(e){const t=e.nodeBefore,n=e.nodeAfter;if(t instanceof $d)return new ec(t,t.data.length);return n instanceof $d?new ec(n,0):e}}a(nc,Oa);class oc{constructor(){this._consumable=new Map,this._textProxyRegistry=new Map}add(e,t){e instanceof Qs&&(e=this._getSymbolForTextProxy(e)),this._consumable.has(e)||this._consumable.set(e,new Map),this._consumable.get(e).set(t,!0)}consume(e,t){return e instanceof Qs&&(e=this._getSymbolForTextProxy(e)),!!this.test(e,t)&&(this._consumable.get(e).set(t,!1),!0)}test(e,t){e instanceof Qs&&(e=this._getSymbolForTextProxy(e));const n=this._consumable.get(e);if(n===void 0)return null;const o=n.get(t);return void 0===o?null:o}revert(e,t){e instanceof Qs&&(e=this._getSymbolForTextProxy(e));const n=this.test(e,t);return!1===n?(this._consumable.get(e).set(t,!0),!0):!0!==n&&null}_getSymbolForTextProxy(e){let t=null;const n=this._textProxyRegistry.get(e.startOffset);if(n){const o=n.get(e.endOffset);o&&(t=o.get(e.parent))}return t||(t=this._addSymbolForTextProxy(e.startOffset,e.endOffset,e.parent)),t}_addSymbolForTextProxy(e,t,n){const o=Symbol('textProxySymbol');let i,r;return i=this._textProxyRegistry.get(e),i||(i=new Map,this._textProxyRegistry.set(e,i)),r=i.get(t),r||(r=new Map,i.set(t,r)),r.set(n,o),o}}class ic{constructor(e){this.markers=new Map,this._children=new Js,e&&this.insertChildren(0,e)}[Symbol.iterator](){return this.getChildren()}get childCount(){return this._children.length}get maxOffset(){return this._children.maxOffset}get isEmpty(){return 0===this.childCount}get root(){return this}get parent(){return null}is(e){return'documentFragment'==e}getChild(e){return this._children.getNode(e)}getChildren(){return this._children[Symbol.iterator]()}getChildIndex(e){return this._children.getNodeIndex(e)}getChildStartOffset(e){return this._children.getNodeStartOffset(e)}getPath(){return[]}getNodeByPath(e){let t=this;for(const n of e)t=t.getChild(t.offsetToIndex(n));return t}offsetToIndex(e){return this._children.offsetToIndex(e)}appendChildren(e){this.insertChildren(this.childCount,e)}insertChildren(e,t){t=J(t);for(const n of t)null!==n.parent&&n.remove(),n.parent=this;this._children.insertNodes(e,t)}removeChildren(e,t=1){const n=this._children.removeNodes(e,t);for(const o of n)o.parent=null;return n}toJSON(){const e=[];for(const t of this._children)e.push(t.toJSON());return e}static fromJSON(e){const t=[];for(const n of e)n.name?t.push(Gs.fromJSON(n)):t.push(Ks.fromJSON(n));return new ic(t)}}class rc{constructor(e,t={}){this._modelDocument=e,this.conversionApi=js({dispatcher:this},t)}convertChange(e,t){'remove'!==e&&t.range&&'$graveyard'==t.range.root.rootName||'remove'==e&&'$graveyard'==t.sourcePosition.root.rootName||'rename'==e&&'$graveyard'==t.element.root.rootName||('insert'==e||'reinsert'==e?this.convertInsertion(t.range):'move'==e?this.convertMove(t.sourcePosition,t.range):'remove'==e?this.convertRemove(t.sourcePosition,t.range):'addAttribute'==e||'removeAttribute'==e||'changeAttribute'==e?this.convertAttribute(e,t.range,t.key,t.oldValue,t.newValue):'rename'==e&&this.convertRename(t.element,t.oldName))}convertInsertion(e){const t=this._createInsertConsumable(e);for(const n of e){const e=n.item,o=el.createFromPositionAndShift(n.previousPosition,n.length),i={item:e,range:o};this._testAndFire('insert',i,t);for(const n of e.getAttributeKeys())i.attributeKey=n,i.attributeOldValue=null,i.attributeNewValue=e.getAttribute(n),this._testAndFire(`addAttribute:${n}`,i,t)}for(const t of this._modelDocument.markers){const n=t.getRange(),o=n.getIntersection(e);o&&G(e.start,t,this.conversionApi.mapper)&&this.convertMarker('addMarker',t.name,o)}}convertMove(e,t){if(t.start.isBefore(e)){this.convertInsertion(t);const n=e._getTransformedByInsertion(t.start,t.end.offset-t.start.offset);this.convertRemove(n,t)}else this.convertRemove(e,t),this.convertInsertion(t)}convertRemove(e,t){const n=this._createConsumableForRange(t,'remove');for(const o of t.getItems({shallow:!0})){this._testAndFire('remove',{sourcePosition:e,item:o},n)}}convertAttribute(e,t,n,o,i){if(o!=i){const r=this._createConsumableForRange(t,e+':'+n);for(const a of t){const t=a.item,s=el.createFromPositionAndShift(a.previousPosition,a.length);this._testAndFire(`${e}:${n}`,{item:t,range:s,attributeKey:n,attributeOldValue:o,attributeNewValue:i},r)}}}convertRename(e,t){if(e.name!=t){const n=e.clone(!0);n.name=t,this.conversionApi.mapper.bindElements(n,this.conversionApi.mapper.toViewElement(e));const o=new ic;o.appendChildren(n),this.convertRemove(Zs.createBefore(e),el.createOn(n)),this.convertInsertion(el.createOn(e))}}convertSelection(e){const t=Array.from(this._modelDocument.markers.getMarkersAtPosition(e.getFirstPosition())),n=this._createSelectionConsumable(e,t);this.fire('selection',{selection:e},n,this.conversionApi);for(const o of t){const t=o.getRange();if(!G(e.getFirstPosition(),o,this.conversionApi.mapper))continue;const i={selection:e,markerName:o.name,markerRange:t};n.test(e,'selectionMarker:'+o.name)&&this.fire('selectionMarker:'+o.name,i,n,this.conversionApi)}for(const t of e.getAttributeKeys()){const o={selection:e,key:t,value:e.getAttribute(t)};n.test(e,'selectionAttribute:'+o.key)&&this.fire('selectionAttribute:'+o.key,o,n,this.conversionApi)}}convertMarker(e,t,n){if(n.root.document&&'$graveyard'!=n.root.rootName){const o=e+':'+t;if(n.isCollapsed){const e=new oc;return e.add(n,o),void this.fire(o,{markerName:t,markerRange:n},e,this.conversionApi)}const i=this._createConsumableForRange(n,o);for(const e of n){const r=e.item;if(!i.test(r,o))continue;const a={item:r,range:el.createFromPositionAndShift(e.previousPosition,e.length),markerName:t,markerRange:n};this.fire(o,a,i,this.conversionApi)}}}_createInsertConsumable(e){const t=new oc;for(const n of e){const e=n.item;t.add(e,'insert');for(const n of e.getAttributeKeys())t.add(e,'addAttribute:'+n)}return t}_createConsumableForRange(e,t){const n=new oc;for(const o of e.getItems())n.add(o,t);return n}_createSelectionConsumable(e,t){const n=new oc;n.add(e,'selection');for(const o of t)n.add(e,'selectionMarker:'+o.name);for(const o of e.getAttributeKeys())n.add(e,'selectionAttribute:'+o);return n}_testAndFire(e,t,n){if(n.test(t.item,e)){const o=t.item.name||'$text';this.fire(e+':'+o,t,n,this.conversionApi)}}}a(rc,Oa);const ac=10;class sc extends Qd{constructor(e,t,n){super(e,t,n),this.priority=ac,this.getFillerOffset=Y}is(e,t=null){return t?'attributeElement'==e&&t==this.name||super.is(e,t):'attributeElement'==e||super.is(e)}clone(e){const t=super.clone(e);return t.priority=this.priority,t}isSimilar(e){return super.isSimilar(e)&&this.priority==e.priority}}sc.DEFAULT_PRIORITY=ac;class lc extends Qd{constructor(e,t,n){super(e,t,n),this.getFillerOffset=Z}is(e,t=null){return t?'emptyElement'==e&&t==this.name||super.is(e,t):'emptyElement'==e||super.is(e)}insertChildren(e,t){if(t&&(t instanceof Ud||0<Array.from(t).length))throw new _a('view-emptyelement-cannot-add: Cannot add child nodes to EmptyElement instance.')}}const dc=navigator.userAgent.toLowerCase(),cc={mac:function(e){return-1<e.indexOf('macintosh')}(dc)};var mc=cc;const uc=function(){const e={arrowleft:37,arrowup:38,arrowright:39,arrowdown:40,backspace:8,delete:46,enter:13,space:32,esc:27,tab:9,ctrl:1114112,cmd:1114112,shift:2228224,alt:4456448};for(let t=65;90>=t;t++){const n=String.fromCharCode(t);e[n.toLowerCase()]=t}for(let t=48;57>=t;t++)e[t-48]=t;for(let t=112;123>=t;t++)e['f'+(t-111)]=t;return e}();class pc extends Qd{constructor(e,t,n){super(e,t,n),this.getFillerOffset=re}is(e,t=null){return t?'uiElement'==e&&t==this.name||super.is(e,t):'uiElement'==e||super.is(e)}insertChildren(e,t){if(t&&(t instanceof Ud||0<Array.from(t).length))throw new _a('view-uielement-cannot-add: Cannot add child nodes to UIElement instance.')}render(e){const t=e.createElement(this.name);for(const n of this.getAttributeKeys())t.setAttribute(n,this.getAttribute(n));return t}}class gc{constructor(e){this._children=[],e&&this.insertChildren(0,e)}[Symbol.iterator](){return this._children[Symbol.iterator]()}get childCount(){return this._children.length}get isEmpty(){return 0===this.childCount}get root(){return this}get parent(){return null}is(e){return'documentFragment'==e}appendChildren(e){return this.insertChildren(this.childCount,e)}getChild(e){return this._children[e]}getChildIndex(e){return this._children.indexOf(e)}getChildren(){return this._children[Symbol.iterator]()}insertChildren(e,t){this._fireChange('children',this);let n=0;t=se(t);for(const o of t)null!==o.parent&&o.remove(),o.parent=this,this._children.splice(e,0,o),e++,n++;return n}removeChildren(e,t=1){this._fireChange('children',this);for(let n=e;n<e+t;n++)this._children[n].parent=null;return this._children.splice(e,t)}_fireChange(e,t){this.fire('change:'+e,t)}}a(gc,Oa);var fc={breakAttributes:function(e){return e instanceof ec?fe(e):ge(e)},breakContainer:function(e){const t=e.parent;if(!t.is('containerElement'))throw new _a('view-writer-break-non-container-element: Trying to break an element which is not a container element.');if(!t.parent)throw new _a('view-writer-break-root: Trying to break root element.');if(e.isAtStart)return ec.createBefore(t);if(!e.isAtEnd){const n=t.clone(!1);de(ec.createAfter(t),n);const o=new tc(e,ec.createAt(t,'end')),i=new ec(n,0);me(o,i)}return ec.createAfter(t)},mergeAttributes:le,mergeContainers:function(e){const t=e.nodeBefore,n=e.nodeAfter;if(!t||!n||!t.is('containerElement')||!n.is('containerElement'))throw new _a('view-writer-merge-containers-invalid-position: Element before and after given position cannot be merged.');const o=t.getChild(t.childCount-1),i=o instanceof $d?ec.createAt(o,'end'):ec.createAt(t,'end');return me(tc.createIn(n),ec.createAt(t,'end')),ce(tc.createOn(n)),i},insert:de,remove:ce,clear:function(e,t){Pe(e);const n=e.getWalker({direction:'backward',ignoreElementEnd:!0});for(const o of n){const n=o.item;let i;if(n.is('element')&&t.isSimilar(n))i=tc.createOn(n);else if(!o.nextPosition.isAfter(e.start)&&(n.is('text')||n.is('textProxy'))){const e=n.getAncestors().find((e)=>e.is('element')&&t.isSimilar(e));e&&(i=tc.createIn(e))}i&&(i.end.isAfter(e.end)&&(i.end=e.end),i.start.isBefore(e.start)&&(i.start=e.start),ce(i))}},move:me,wrap:ue,wrapPosition:function(e,t){if(!(t instanceof sc))throw new _a('view-writer-wrap-invalid-attribute');if(t.isSimilar(e.parent))return ke(ec.createFromPosition(e));e.parent.is('text')&&(e=we(e));const n=new sc;n.priority=na,n.isSimilar=()=>!1,e.parent.insertChildren(e.offset,n);const o=new tc(e,e.getShiftedBy(1));ue(o,t);const i=new ec(n.parent,n.index);n.remove();const r=i.nodeBefore,a=i.nodeAfter;return r instanceof $d&&a instanceof $d?ye(r,a):ke(i)},unwrap:function(e,t){if(!(t instanceof sc))throw new _a('view-writer-unwrap-invalid-attribute');if(Pe(e),e.isCollapsed)return e;if(e.end.isEqual(e.start.getShiftedBy(1))){const n=e.start.nodeAfter;if(!t.isSimilar(n)&&n instanceof sc&&xe(t,n))return e}const{start:n,end:o}=ge(e,!0),i=n.parent,r=he(i,n.offset,o.offset,t),a=le(r.start);a.isEqual(r.start)||r.end.offset--;const s=le(r.end);return new tc(a,s)},rename:function(e,t){const n=new Yd(t,e.getAttributes());return de(ec.createAfter(e),n),me(tc.createIn(e),ec.createAt(n)),ce(tc.createOn(e)),n}};const hc=[$d,sc,Yd,lc,pc];class bc extends sc{isSimilar(e){return!!e.is('attributeElement')&&this.getCustomProperty('highlightDescriptorId')===e.getCustomProperty('highlightDescriptorId')}}class _c{constructor(){this._consumables=new Map}add(e,t){let n;return e.is('text')||e.is('documentFragment')?void this._consumables.set(e,!0):void(this._consumables.has(e)?n=this._consumables.get(e):(n=new kc,this._consumables.set(e,n)),n.add(t))}test(e,t){const n=this._consumables.get(e);return void 0===n?null:e.is('text')||e.is('documentFragment')?n:n.test(t)}consume(e,t){return!!this.test(e,t)&&(e.is('text')||e.is('documentFragment')?this._consumables.set(e,!1):this._consumables.get(e).consume(t),!0)}revert(e,t){const n=this._consumables.get(e);n!==void 0&&(e.is('text')||e.is('documentFragment')?this._consumables.set(e,!0):n.revert(t))}static consumablesFromElement(e){const t={name:!0,attribute:[],class:[],style:[]},n=e.getAttributeKeys();for(const o of n)'style'!=o&&'class'!=o&&t.attribute.push(o);const o=e.getClassNames();for(const n of o)t.class.push(n);const i=e.getStyleNames();for(const n of i)t.style.push(n);return t}static createFrom(e,t){if(t||(t=new _c),e.is('text'))return t.add(e),t;e.is('element')&&t.add(e,_c.consumablesFromElement(e)),e.is('documentFragment')&&t.add(e);for(const n of e.getChildren())t=_c.createFrom(n,t);return t}}class kc{constructor(){this._canConsumeName=null,this._consumables={attribute:new Map,style:new Map,class:new Map}}add(e){for(const t in e.name&&(this._canConsumeName=!0),this._consumables)t in e&&this._add(t,e[t])}test(e){if(e.name&&!this._canConsumeName)return this._canConsumeName;for(const t in this._consumables)if(t in e){const n=this._test(t,e[t]);if(!0!==n)return n}return!0}consume(e){for(const t in e.name&&(this._canConsumeName=!1),this._consumables)t in e&&this._consume(t,e[t])}revert(e){for(const t in e.name&&(this._canConsumeName=!0),this._consumables)t in e&&this._revert(t,e[t])}_add(e,t){const n=Es(t)?t:[t],o=this._consumables[e];for(const i of n){if('attribute'===e&&('class'===i||'style'===i))throw new _a('viewconsumable-invalid-attribute: Classes and styles should be handled separately.');o.set(i,!0)}}_test(e,t){const n=Es(t)?t:[t],o=this._consumables[e];for(const i of n)if('attribute'===e&&('class'===i||'style'===i)){const e=this._test(i,[...this._consumables[i].keys()]);if(!0!==e)return e}else{const e=o.get(i);if(e===void 0)return null;if(!e)return!1}return!0}_consume(e,t){const n=Es(t)?t:[t],o=this._consumables[e];for(const i of n)'attribute'===e&&('class'===i||'style'===i)?this._consume(i,[...this._consumables[i].keys()]):o.set(i,!1)}_revert(e,t){const n=Es(t)?t:[t],o=this._consumables[e];for(const i of n)if('attribute'===e&&('class'===i||'style'===i))this._revert(i,[...this._consumables[i].keys()]);else{const e=o.get(i);!1===e&&o.set(i,!0)}}}var wc={insert:qe,remove:He,move:function(e,t){if(!e.isFlat)throw new _a('model-writer-move-range-not-flat: Trying to move a range which starts and ends in different element.');const n=this.remove(e);return t=t._getTransformedByDeletion(e.start,e.end.offset-e.start.offset),this.insert(t,n)},setAttribute:function(e,t,n){$e(e.start),$e(e.end);for(const o of e.getItems()){const e=o.is('textProxy')?o.textNode:o;null===n?e.removeAttribute(t):e.setAttribute(t,n),Ue(e.parent,e.index)}Ue(e.end.parent,e.end.index)},removeAttribute:function(e,t){this.setAttribute(e,t,null)},normalizeNodes:We};class yc{constructor(e={}){this.conversionApi=js({},e),this.conversionApi.convertItem=this._convertItem.bind(this),this.conversionApi.convertChildren=this._convertChildren.bind(this)}convert(e,t={}){this.fire('viewCleanup',e);const n=_c.createFrom(e);let o=this._convertItem(e,n,t);return o?(o.is('documentFragment')||(o=new ic([o])),o.markers=Qe(o),o):new ic}_convertItem(e,t,n={}){const o=js({},n,{input:e,output:null});return e.is('element')?this.fire('element:'+e.name,o,t,this.conversionApi):e.is('text')?this.fire('text',o,t,this.conversionApi):this.fire('documentFragment',o,t,this.conversionApi),o.output&&!(o.output instanceof $s||o.output instanceof ic)?(wa.warn('view-conversion-dispatcher-incorrect-result: Incorrect conversion result was dropped.',[e,o.output]),null):o.output}_convertChildren(e,t,n={}){const o=Array.from(e.getChildren()),i=o.map((e)=>this._convertItem(e,t,n)).filter((e)=>e instanceof $s||e instanceof ic).reduce((e,t)=>e.concat(t.is('documentFragment')?Array.from(t.getChildren()):t),[]);return new ic(i)}}a(yc,Oa);class vc extends Zs{constructor(e,t,n){if(super(e,t),!this.root.is('rootElement'))throw new _a('model-liveposition-root-not-rootelement: LivePosition\'s root has to be an instance of RootElement.');this.stickiness=n||'sticksToNext',Ye.call(this)}detach(){this.stopListening()}}a(vc,Oa);class xc{constructor(e,t,n){this.dataController=e,this.batch=t,this.position=n,this.canMergeWith=new Set([this.position.parent]),this.schema=e.model.schema}handleNodes(e,t){e=Array.from(e);for(let n=0;n<e.length;n++){const o=e[n];this._handleNode(o,{isFirst:0===n&&t.isFirst,isLast:n===e.length-1&&t.isLast})}}getSelectionRange(){return this.nodeToSelect?el.createOn(this.nodeToSelect):this.dataController.model.getNearestSelectionRange(this.position)}_handleNode(e,t){if(this._checkIsObject(e))return void this._handleObject(e,t);const n=this._checkAndSplitToAllowedPosition(e,t);return n?void(this._insert(e),this._mergeSiblingsOf(e,t)):void this._handleDisallowedNode(e,t)}_handleObject(e,t){this._checkAndSplitToAllowedPosition(e)?this._insert(e):this._tryAutoparagraphing(e,t)}_handleDisallowedNode(e,t){e.is('element')?this.handleNodes(e.getChildren(),t):this.schema.check({name:'$text',inside:this.position})?(this.schema.removeDisallowedAttributes([e],this.position),this._handleNode(e,t)):this._tryAutoparagraphing(e,t)}_insert(e){if(!this._checkIsAllowed(e,this.position))return void wa.error('insertcontent-wrong-position: The node cannot be inserted on the given position.',{node:e,position:this.position});const t=vc.createFromPosition(this.position);this.batch.insert(this.position,e),this.position=Zs.createFromPosition(t),t.detach(),this.nodeToSelect=this._checkIsObject(e)&&!this.schema.check({name:'$text',inside:this.position})?e:null}_mergeSiblingsOf(e,t){if(e instanceof Gs){const n=t.isFirst&&e.previousSibling instanceof Gs&&this.canMergeWith.has(e.previousSibling),o=t.isLast&&e.nextSibling instanceof Gs&&this.canMergeWith.has(e.nextSibling),i=vc.createBefore(e),r=vc.createAfter(e);if(n){const e=vc.createFromPosition(this.position);this.batch.merge(i);const t=e.nodeBefore;this.schema.removeDisallowedAttributes(t.getChildren(),Zs.createAt(t),this.batch),this.position=Zs.createFromPosition(e),e.detach()}if(o){this.position.isEqual(r)||wa.error('insertcontent-wrong-position-on-merge: The insertion position should equal the merge position'),this.position=Zs.createAt(r.nodeBefore,'end');const e=new vc(this.position.root,this.position.path,'sticksToPrevious');this.batch.merge(r),this.schema.removeDisallowedAttributes(e.parent.getChildren(),e,this.batch),this.position=Zs.createFromPosition(e),e.detach()}i.detach(),r.detach(),n||o||this.schema.removeDisallowedAttributes(e.getChildren(),Zs.createAt(e),this.batch)}}_tryAutoparagraphing(e,t){const n=new Gs('paragraph');this._getAllowedIn(n,this.position.parent)&&(e.is('text')&&!this._checkIsAllowed(e,[n])&&this.schema.removeDisallowedAttributes([e],[n]),this._checkIsAllowed(e,[n])&&(n.appendChildren(e),this._handleNode(n,t)))}_checkAndSplitToAllowedPosition(e){const t=this._getAllowedIn(e,this.position.parent);if(!t)return!1;for(;t!=this.position.parent;){if(this.schema.limits.has(this.position.parent.name))return!1;if(this.position.isAtStart){const e=this.position.parent;this.position=Zs.createBefore(e),e.isEmpty&&this.batch.remove(e)}else if(this.position.isAtEnd)this.position=Zs.createAfter(this.position.parent);else{const e=Zs.createAfter(this.position.parent);this.batch.split(this.position),this.position=e,this.canMergeWith.add(this.position.nodeAfter)}}return!0}_getAllowedIn(e,t){return this._checkIsAllowed(e,[t])?t:t.parent?this._getAllowedIn(e,t.parent):null}_checkIsAllowed(e,t){return this.schema.check({name:et(e),attributes:Array.from(e.getAttributeKeys()),inside:t})}_checkIsObject(e){return this.schema.objects.has(et(e))}}class Ac{constructor(e,t){this.model=e,this.processor=t,this.mapper=new nc,this.modelToView=new rc(this.model,{mapper:this.mapper}),this.modelToView.on('insert:$text',Se(),{priority:'lowest'}),this.viewToModel=new yc({schema:e.schema}),this.viewToModel.on('text',Ge(),{priority:'lowest'}),this.viewToModel.on('element',Je(),{priority:'lowest'}),this.viewToModel.on('documentFragment',Je(),{priority:'lowest'}),['insertContent','deleteContent','modifySelection','getSelectedContent'].forEach((e)=>this.decorate(e))}get(e='main'){return this.stringify(this.model.getRoot(e))}stringify(e){const t=this.toView(e);return this.processor.toData(t)}toView(e){const t=el.createIn(e),n=new gc;return this.mapper.bindElements(e,n),this.modelToView.convertInsertion(t),this.mapper.clearBindings(),n}set(e,t='main'){const n=this.model.getRoot(t);this.model.enqueueChanges(()=>{this.model.selection.removeAllRanges(),this.model.selection.clearAttributes(),this.model.batch('transparent').remove(el.createIn(n)).insert(Zs.createAt(n,0),this.parse(e))})}parse(e,t='$root'){const n=this.processor.toView(e);return this.toModel(n,t)}toModel(e,t='$root'){return this.viewToModel.convert(e,{context:[t]})}destroy(){}insertContent(e,t,n){Ze(this,e,t,n)}deleteContent(e,t,n){tt(e,t,n)}modifySelection(e,t){gt(this,e,t)}getSelectedContent(e){return _t(e)}hasContent(e){if(e instanceof Gs&&(e=el.createIn(e)),e.isCollapsed)return!1;for(const t of e.getItems())if(t.is('textProxy')||this.model.schema.objects.has(t.name))return!0;return!1}}a(Ac,Us);class Cc{constructor(e){this.baseVersion=e}toJSON(){const e=Wd(this,!0);return e.__className=this.constructor.className,delete e.delta,e}static get className(){return'engine.model.operation.Operation'}static fromJSON(e){return new this(e.baseVersion)}}wt.prototype.add=wt.prototype.push=function(e){return this.__data__.set(e,'__lodash_hash_undefined__'),this},wt.prototype.has=function(e){return this.__data__.has(e)};var Tc=wt,Pc=function(e,t){for(var n=-1,o=e.length;++n<o;)if(t(e[n],n,e))return!0;return!1},Ec=function(e,t,n,o,i,r){var a=i&2,s=e.length,l=t.length;if(s!=l&&!(a&&l>s))return!1;var d=r.get(e);if(d)return d==t;var c=-1,m=!0,u=i&1?new Tc:void 0;for(r.set(e,t);++c<s;){var p=e[c],g=t[c];if(o)var f=a?o(g,p,c,t,e,r):o(p,g,c,e,t,r);if(void 0!==f){if(f)continue;m=!1;break}if(u){if(!Pc(t,function(e,t){if(!u.has(t)&&(p===e||n(p,e,o,i,r)))return u.add(t)})){m=!1;break}}else if(!(p===g||n(p,g,o,i,r))){m=!1;break}}return r['delete'](e),m},Sc=Ed?Ed.prototype:void 0,Vc=Sc?Sc.valueOf:void 0,Oc=function(e,t,n,o,i,r,a){switch(n){case'[object DataView]':if(e.byteLength!=t.byteLength||e.byteOffset!=t.byteOffset)return!1;e=e.buffer,t=t.buffer;case'[object ArrayBuffer]':return e.byteLength==t.byteLength&&o(new fd(e),new fd(t));case'[object Boolean]':case'[object Date]':return+e==+t;case'[object Error]':return e.name==t.name&&e.message==t.message;case'[object Number]':return e==+e?e==+t:t!=+t;case'[object RegExp]':case'[object String]':return e==t+'';case'[object Map]':var s=wd;case'[object Set]':var l=r&2;if(s||(s=Cd),e.size!=t.size&&!l)return!1;var d=a.get(e);return d?d==t:(r|=1,a.set(e,t),Ec(s(e),s(t),o,i,r,a));case'[object Symbol]':if(Vc)return Vc.call(e)==Vc.call(t);}return!1},Rc=function(e,t,n,o,i,r){var a=i&2,s=Nl(e),l=s.length,d=Nl(t),c=d.length;if(l!=c&&!a)return!1;for(var m=l,u;m--;)if(u=s[m],a?!(u in t):!Ol(t,u))return!1;var p=r.get(e);if(p)return p==t;var g=!0;r.set(e,t);for(var f=a;++m<l;){u=s[m];var h=e[u],b=t[u];if(o)var _=a?o(b,h,u,t,e,r):o(h,b,u,e,t,r);if(void 0===_?!(h===b||n(h,b,o,i,r)):!_){g=!1;break}f||(f='constructor'==u)}if(g&&!f){var k=e.constructor,w=t.constructor;k!=w&&'constructor'in e&&'constructor'in t&&!('function'==typeof k&&k instanceof k&&'function'==typeof w&&w instanceof w)&&(g=!1)}return r['delete'](e),g},Fc={};Fc['[object Float32Array]']=Fc['[object Float64Array]']=Fc['[object Int8Array]']=Fc['[object Int16Array]']=Fc['[object Int32Array]']=Fc['[object Uint8Array]']=Fc['[object Uint8ClampedArray]']=Fc['[object Uint16Array]']=Fc['[object Uint32Array]']=!0,Fc['[object Arguments]']=Fc['[object Array]']=Fc['[object ArrayBuffer]']=Fc['[object Boolean]']=Fc['[object DataView]']=Fc['[object Date]']=Fc['[object Error]']=Fc['[object Function]']=Fc['[object Map]']=Fc['[object Number]']=Fc['[object Object]']=Fc['[object RegExp]']=Fc['[object Set]']=Fc['[object String]']=Fc['[object WeakMap]']=!1;var Nc=Object.prototype,Ic=Nc.toString,Bc=function(e){return da(e)&&Ha(e.length)&&!!Fc[Ic.call(e)]},Mc='[object Arguments]',Dc='[object Array]',Lc='[object Object]',jc=Object.prototype,zc=jc.hasOwnProperty,qc=function(e,t,n,o,i,r){var a=Es(e),s=Es(t),l=Dc,d=Dc;a||(l=cd(e),l=l==Mc?Lc:l),s||(d=cd(t),d=d==Mc?Lc:d);var c=l==Lc&&!la(e),m=d==Lc&&!la(t),u=l==d;if(u&&!c)return r||(r=new Pl),a||Bc(e)?Ec(e,t,n,o,i,r):Oc(e,t,l,n,o,i,r);if(!(i&2)){var p=c&&zc.call(e,'__wrapped__'),g=m&&zc.call(t,'__wrapped__');if(p||g){var f=p?e.value():e,h=g?t.value():t;return r||(r=new Pl),n(f,h,o,i,r)}}return!!u&&(r||(r=new Pl),Rc(e,t,n,o,i,r))},Hc=yt,Wc=function(e,t){return Hc(e,t)};class Uc extends Cc{constructor(e,t,n,o,i){super(i),this.range=el.createFromRange(e),this.key=t,this.oldValue=n===void 0?null:n,this.newValue=o===void 0?null:o}get type(){return null===this.oldValue?'addAttribute':null===this.newValue?'removeAttribute':'changeAttribute'}clone(){return new Uc(this.range,this.key,this.oldValue,this.newValue,this.baseVersion)}getReversed(){return new Uc(this.range,this.key,this.newValue,this.oldValue,this.baseVersion+1)}_execute(){for(const e of this.range.getItems()){if(null!==this.oldValue&&!Wc(e.getAttribute(this.key),this.oldValue))throw new _a('attribute-operation-wrong-old-value: Changed node has different attribute value than operation\'s old attribute value.',{item:e,key:this.key,value:this.oldValue});if(null===this.oldValue&&null!==this.newValue&&e.hasAttribute(this.key))throw new _a('attribute-operation-attribute-exists: The attribute with given key already exists.',{node:e,key:this.key})}return Wc(this.oldValue,this.newValue)||wc.setAttribute(this.range,this.key,this.newValue),{range:this.range,key:this.key,oldValue:this.oldValue,newValue:this.newValue}}static get className(){return'engine.model.operation.AttributeOperation'}static fromJSON(e,t){return new Uc(el.fromJSON(e.range,t),e.key,e.oldValue,e.newValue,e.baseVersion)}}class $c extends Cc{constructor(e,t,n,o){super(o),this.sourcePosition=Zs.createFromPosition(e),this.howMany=t,this.targetPosition=Zs.createFromPosition(n),this.isSticky=!1}get type(){return'move'}clone(){const e=new this.constructor(this.sourcePosition,this.howMany,this.targetPosition,this.baseVersion);return e.isSticky=this.isSticky,e}getMovedRangeStart(){return this.targetPosition._getTransformedByDeletion(this.sourcePosition,this.howMany)}getReversed(){const e=this.sourcePosition._getTransformedByInsertion(this.targetPosition,this.howMany),t=new this.constructor(this.getMovedRangeStart(),this.howMany,e,this.baseVersion+1);return t.isSticky=this.isSticky,t}_execute(){const e=this.sourcePosition.parent,t=this.targetPosition.parent,n=this.sourcePosition.offset,o=this.targetPosition.offset;if(!e||!t)throw new _a('move-operation-position-invalid: Source position or target position is invalid.');else if(n+this.howMany>e.maxOffset)throw new _a('move-operation-nodes-do-not-exist: The nodes which should be moved do not exist.');else if(e===t&&n<o&&o<n+this.howMany)throw new _a('move-operation-range-into-itself: Trying to move a range of nodes to the inside of that range.');else if(this.sourcePosition.root==this.targetPosition.root&&'prefix'==O(this.sourcePosition.getParentPath(),this.targetPosition.getParentPath())){const e=this.sourcePosition.path.length-1;if(this.targetPosition.path[e]>=n&&this.targetPosition.path[e]<n+this.howMany)throw new _a('move-operation-node-into-itself: Trying to move a range of nodes into one of nodes from that range.')}const i=wc.move(el.createFromPositionAndShift(this.sourcePosition,this.howMany),this.targetPosition);return{sourcePosition:this.sourcePosition,range:i}}static get className(){return'engine.model.operation.MoveOperation'}static fromJSON(e,t){const n=Zs.fromJSON(e.sourcePosition,t),o=Zs.fromJSON(e.targetPosition,t),i=new this(n,e.howMany,o,e.baseVersion);return e.isSticky&&(i.isSticky=!0),i}}class Kc extends $c{get position(){return this.targetPosition}set position(e){this.targetPosition=e}get type(){return'reinsert'}getReversed(){const e=this.sourcePosition._getTransformedByInsertion(this.targetPosition,this.howMany);return new Qc(this.getMovedRangeStart(),this.howMany,e,this.baseVersion+1)}static get className(){return'engine.model.operation.ReinsertOperation'}}class Qc extends $c{get type(){return'remove'}getReversed(){const e=this.sourcePosition._getTransformedByInsertion(this.targetPosition,this.howMany);return new Kc(this.getMovedRangeStart(),this.howMany,e,this.baseVersion+1)}static get className(){return'engine.model.operation.RemoveOperation'}}class Jc extends Cc{constructor(e,t,n){super(n),this.position=Zs.createFromPosition(e),this.nodes=new Js(We(t))}get type(){return'insert'}clone(){const e=new Js([...this.nodes].map((e)=>e.clone(!0)));return new Jc(this.position,e,this.baseVersion)}getReversed(){const e=this.position.root.document.graveyard,t=new Zs(e,[0]);return new Qc(this.position,this.nodes.maxOffset,t,this.baseVersion+1)}_execute(){const e=this.nodes;this.nodes=new Js([...e].map((e)=>e.clone(!0)));const t=qe(this.position,e);return{range:t}}static get className(){return'engine.model.operation.InsertOperation'}static fromJSON(e,t){const n=[];for(const o of e.nodes)o.name?n.push(Gs.fromJSON(o)):n.push(Ks.fromJSON(o));return new Jc(Zs.fromJSON(e.position,t),n,e.baseVersion)}}class Gc extends Cc{constructor(e,t,n,o,i){super(i),this.name=e,this.oldRange=t?el.createFromRange(t):null,this.newRange=n?el.createFromRange(n):null,this._markers=o}get type(){return'marker'}clone(){return new Gc(this.name,this.oldRange,this.newRange,this._markers,this.baseVersion)}getReversed(){return new Gc(this.name,this.newRange,this.oldRange,this._markers,this.baseVersion+1)}_execute(){const e=this.newRange?'set':'remove';return this._markers[e](this.name,this.newRange),{name:this.name,type:e}}toJSON(){const e=super.toJSON();return delete e._markers,e}static get className(){return'engine.model.operation.MarkerOperation'}static fromJSON(e,t){return new Gc(e.name,e.oldRange?el.fromJSON(e.oldRange,t):null,e.newRange?el.fromJSON(e.newRange,t):null,t.markers,e.baseVersion)}}class Yc extends Cc{get type(){return'noop'}clone(){return new Yc(this.baseVersion)}getReversed(){return new Yc(this.baseVersion+1)}_execute(){return{}}static get className(){return'engine.model.operation.NoOperation'}}class Xc extends Cc{constructor(e,t,n,o){super(o),this.position=e,this.oldName=t,this.newName=n}get type(){return'rename'}clone(){return new Xc(Zs.createFromPosition(this.position),this.oldName,this.newName,this.baseVersion)}getReversed(){return new Xc(Zs.createFromPosition(this.position),this.newName,this.oldName,this.baseVersion+1)}_execute(){const e=this.position.nodeAfter;if(!(e instanceof Gs))throw new _a('rename-operation-wrong-position: Given position is invalid or node after it is not an instance of Element.');else if(e.name!==this.oldName)throw new _a('rename-operation-wrong-name: Element to change has different name than operation\'s old name.');return e.name!=this.newName&&(e.name=this.newName),{element:e,oldName:this.oldName}}static get className(){return'engine.model.operation.RenameOperation'}static fromJSON(e,t){return new Xc(Zs.fromJSON(e.position,t),e.oldName,e.newName,e.baseVersion)}}class Zc extends Cc{constructor(e,t,n,o,i){super(i),this.root=e,this.key=t,this.oldValue=n,this.newValue=o}get type(){return null===this.oldValue?'addRootAttribute':null===this.newValue?'removeRootAttribute':'changeRootAttribute'}clone(){return new Zc(this.root,this.key,this.oldValue,this.newValue,this.baseVersion)}getReversed(){return new Zc(this.root,this.key,this.newValue,this.oldValue,this.baseVersion+1)}_execute(){if(null!==this.oldValue&&this.root.getAttribute(this.key)!==this.oldValue)throw new _a('rootattribute-operation-wrong-old-value: Changed node has different attribute value than operation\'s old attribute value.',{root:this.root,key:this.key});if(null===this.oldValue&&null!==this.newValue&&this.root.hasAttribute(this.key))throw new _a('rootattribute-operation-attribute-exists: The attribute with given key already exists.',{root:this.root,key:this.key});return null===this.newValue?this.root.removeAttribute(this.key):this.root.setAttribute(this.key,this.newValue),{root:this.root,key:this.key,oldValue:this.oldValue,newValue:this.newValue}}static get className(){return'engine.model.operation.RootAttributeOperation'}static fromJSON(e,t){if(!t.hasRoot(e.root))throw new _a('rootattribute-operation-fromjson-no-root: Cannot create RootAttributeOperation. Root with specified name does not exist.',{rootName:e});return new Zc(t.getRoot(e.root),e.key,e.oldValue,e.newValue,e.baseVersion)}}const em={};em[Uc.className]=Uc,em[Jc.className]=Jc,em[Gc.className]=Gc,em[$c.className]=$c,em[Yc.className]=Yc,em[Cc.className]=Cc,em[Kc.className]=Kc,em[Qc.className]=Qc,em[Xc.className]=Xc,em[Zc.className]=Zc;class tm{static fromJSON(e,t){return em[e.__className].fromJSON(e,t)}}const nm=new Map;class om{static fromJSON(e,t){if(!nm.has(e.__className))throw new _a('delta-fromjson-no-deserializer: This delta has no defined deserializer',{name:e.__className});const n=nm.get(e.__className),o=new n;for(const n of e.operations)o.addOperation(tm.fromJSON(n,t));for(const n in e)'__className'!=n&&void 0===o[n]&&(o[n]=e[n]);return o}static register(e){nm.set(e.className,e)}}class im{constructor(){this.batch=null,this.operations=[]}get baseVersion(){return 0<this.operations.length?this.operations[0].baseVersion:null}set baseVersion(e){for(const t of this.operations)t.baseVersion=e++}get _reverseDeltaClass(){return im}addOperation(e){return e.delta=this,this.operations.push(e),e}clone(){const e=new this.constructor;for(const t of this.operations)e.addOperation(t.clone());return e}getReversed(){const e=new this._reverseDeltaClass;for(const t of this.operations)e.addOperation(t.getReversed());e.operations.reverse();for(let t=0;t<e.operations.length;t++)e.operations[t].baseVersion=this.operations[this.operations.length-1].baseVersion+t+1;return e}toJSON(){const e=Wd(this);return e.__className=this.constructor.className,delete e.batch,e}static get className(){return'engine.model.delta.Delta'}}om.register(im);class rm{constructor(e,t='default'){this.document=e,this.deltas=[],this.type=t}get baseVersion(){return 0<this.deltas.length?this.deltas[0].baseVersion:null}addDelta(e){return e.batch=this,this.deltas.push(e),e}*getOperations(){for(const e of this.deltas)yield*e.operations}}class am extends im{get type(){return'attribute'}get key(){return this.operations[0]?this.operations[0].key:null}get value(){return this.operations[0]?this.operations[0].newValue:null}get range(){if(this._range)return this._range;let e=null,t=null;for(const n of this.operations)n instanceof Yc||((null==e||e.isAfter(n.range.start))&&(e=n.range.start),(null==t||t.isBefore(n.range.end))&&(t=n.range.end));return e&&t?(this._range=new el(e,t),this._range):null}get _reverseDeltaClass(){return am}toJSON(){const e=super.toJSON();return delete e._range,e}static get className(){return'engine.model.delta.AttributeDelta'}}class sm extends im{static get className(){return'engine.model.delta.RootAttributeDelta'}}vt('setAttribute',function(e,t,n){return xt(this,t,n,e),this}),vt('removeAttribute',function(e,t){return xt(this,t,null,e),this}),om.register(am),om.register(sm);class lm extends im{get type(){return'move'}get howMany(){return this._moveOperation?this._moveOperation.howMany:null}get sourcePosition(){return this._moveOperation?this._moveOperation.sourcePosition:null}get targetPosition(){return this._moveOperation?this._moveOperation.targetPosition:null}get _moveOperation(){return this.operations[0]||null}get _reverseDeltaClass(){return lm}static get className(){return'engine.model.delta.MoveDelta'}}vt('move',function(e,t){const n=new lm;if(this.addDelta(n),e instanceof el){if(!e.isFlat)throw new _a('batch-move-range-not-flat: Range to move is not flat.');Tt(this,n,e.start,e.end.offset-e.start.offset,t)}else Tt(this,n,Zs.createBefore(e),1,t);return this}),om.register(lm);class dm extends lm{static get className(){return'engine.model.delta.RemoveDelta'}}vt('remove',function(e){if(e instanceof el){const t=e.getMinimalFlatRanges().reverse();for(const e of t)Pt(this,e.start,e.end.offset-e.start.offset)}else Pt(this,Zs.createBefore(e),1);return this}),om.register(dm);class cm extends im{get type(){return'insert'}get position(){return this._insertOperation?this._insertOperation.position:null}get nodes(){return this._insertOperation?this._insertOperation.nodes:null}get _insertOperation(){return this.operations[0]||null}get _reverseDeltaClass(){return dm}static get className(){return'engine.model.delta.InsertDelta'}}vt('insert',function(e,t){const n=We(t);if(0===n.length)return this;const o=new cm,i=new Jc(e,n,this.document.version);if(this.addDelta(o),o.addOperation(i),this.document.applyOperation(i),t instanceof ic)for(const[n,o]of t.markers){const t=Zs.createAt(o.root),i=new el(o.start._getCombined(t,e),o.end._getCombined(t,e));this.setMarker(n,i)}return this}),om.register(cm);class mm extends im{get type(){return'split'}get position(){return this._moveOperation?this._moveOperation.sourcePosition:null}get _cloneOperation(){return this.operations[0]||null}get _moveOperation(){return this.operations[1]&&this.operations[1]instanceof $c?this.operations[1]:null}get _reverseDeltaClass(){return um}static get className(){return'engine.model.delta.SplitDelta'}}vt('split',function(e){const t=new mm;this.addDelta(t);const n=e.parent;if(!n.parent)throw new _a('batch-split-root: Root element can not be split.');const o=new Gs(n.name,n.getAttributes()),i=new Jc(Zs.createAfter(n),o,this.document.version);t.addOperation(i),this.document.applyOperation(i);const r=new $c(e,n.maxOffset-e.offset,Zs.createFromParentAndOffset(o,0),this.document.version);return r.isSticky=!0,t.addOperation(r),this.document.applyOperation(r),this}),om.register(mm);class um extends im{get type(){return'merge'}get position(){return this._removeOperation?this._removeOperation.sourcePosition:null}get _removeOperation(){return this.operations[1]||null}get _reverseDeltaClass(){return mm}static get className(){return'engine.model.delta.MergeDelta'}}vt('merge',function(e){const t=new um;this.addDelta(t);const n=e.nodeBefore,o=e.nodeAfter;if(!(n instanceof Gs))throw new _a('batch-merge-no-element-before: Node before merge position must be an element.');if(!(o instanceof Gs))throw new _a('batch-merge-no-element-after: Node after merge position must be an element.');const i=Zs.createFromParentAndOffset(o,0),r=Zs.createFromParentAndOffset(n,n.maxOffset),a=new $c(i,o.maxOffset,r,this.document.version);a.isSticky=!0,t.addOperation(a),this.document.applyOperation(a);const s=this.document.graveyard,l=new Zs(s,[0]),d=new Qc(e,1,l,this.document.version);return t.addOperation(d),this.document.applyOperation(d),this}),om.register(um);class pm extends im{get type(){return'rename'}get _reverseDeltaClass(){return pm}static get className(){return'engine.model.delta.RenameDelta'}}vt('rename',function(e,t){if(!(e instanceof Gs))throw new _a('batch-rename-not-element-instance: Trying to rename an object which is not an instance of Element.');const n=new pm;this.addDelta(n);const o=new Xc(Zs.createBefore(e),e.name,t,this.document.version);return Et(this,n,o),this}),om.register(pm);class gm extends im{get type(){return'wrap'}get range(){const e=this._moveOperation;return e?el.createFromPositionAndShift(e.sourcePosition,e.howMany):null}get howMany(){const e=this.range;return e?e.end.offset-e.start.offset:0}get _insertOperation(){return this.operations[0]||null}get _moveOperation(){return this.operations[1]||null}get _reverseDeltaClass(){return fm}static get className(){return'engine.model.delta.WrapDelta'}}vt('wrap',function(e,t){if(!e.isFlat)throw new _a('batch-wrap-range-not-flat: Range to wrap is not flat.');const n=t instanceof Gs?t:new Gs(t);if(0<n.childCount)throw new _a('batch-wrap-element-not-empty: Element to wrap with is not empty.');if(null!==n.parent)throw new _a('batch-wrap-element-attached: Element to wrap with is already attached to tree model.');const o=new gm;this.addDelta(o);const i=new Jc(e.end,n,this.document.version);o.addOperation(i),this.document.applyOperation(i);const r=Zs.createFromParentAndOffset(n,0),a=new $c(e.start,e.end.offset-e.start.offset,r,this.document.version);return o.addOperation(a),this.document.applyOperation(a),this}),om.register(gm);class fm extends im{get type(){return'unwrap'}get position(){return this._moveOperation?this._moveOperation.targetPosition:null}get _moveOperation(){return this.operations[0]||null}get _reverseDeltaClass(){return gm}static get className(){return'engine.model.delta.UnwrapDelta'}}vt('unwrap',function(e){if(null===e.parent)throw new _a('batch-unwrap-element-no-parent: Trying to unwrap an element which has no parent.');const t=new fm;this.addDelta(t);const n=Zs.createFromParentAndOffset(e,0),o=new $c(n,e.maxOffset,Zs.createBefore(e),this.document.version);o.isSticky=!0,t.addOperation(o),this.document.applyOperation(o);const i=this.document.graveyard,r=new Zs(i,[0]),a=new Qc(Zs.createBefore(e),1,r,this.document.version);return t.addOperation(a),this.document.applyOperation(a),this}),om.register(fm);class hm extends cm{static get className(){return'engine.model.delta.WeakInsertDelta'}}vt('weakInsert',function(e,t){const 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o=e.range.start.root==t.position.root,i=o&&'same'===O(e.range.start.getParentPath(),t.position.getParentPath()),r=e.range.start.offset<t.position.offset&&e.range.end.offset>=t.position.offset;if(i&&r)return[t.getReversed(),e.clone()];if(o&&'same'===O(t.position.getParentPath(),e.range.end.getShiftedBy(-1).path)){const t=e.clone();return t._insertOperation.position.offset++,t._moveOperation.howMany++,t._moveOperation.targetPosition.path[t._moveOperation.targetPosition.path.length-2]++,[t]}return pp(e,t,n)}),up(pm,mm,(e,t,n)=>{const o=n.undoMode,i=pp(e,t,n);if(o||!(t._cloneOperation instanceof Jc))return i;const r=t._cloneOperation.position.getShiftedBy(-1);if(r&&e.operations[0].position.isEqual(r)){const t=e.clone();t.operations[0].position=r.getShiftedBy(1),i.push(t)}return i}),up(mm,pm,(e,t,n)=>{e=e.clone();const o=n.undoMode;if(o||!(e._cloneOperation instanceof Jc))return[e];const i=e._cloneOperation.position.getShiftedBy(-1);if(i&&!o&&t.operations[0].position.isEqual(i)){const n=t.clone();return n.operations[0].position=i.getShiftedBy(1),n.operations[0].oldName=e._cloneOperation.nodes.getNode(0).name,[e,n]}return[e]}),up(dm,mm,(e,t,n)=>{const o=pp(e,t,n),i=t._cloneOperation.position||t._cloneOperation.targetPosition;if(!i)return pp(e,t,n);const r=n.undoMode;if(r)return o;for(const r of o)if(r instanceof dm){const e=r._moveOperation,t=e.sourcePosition.getShiftedBy(e.howMany);t.isEqual(i)&&(e.howMany+=1)}return o}),up(mm,dm,(e,t,n)=>{const o=n.undoMode;if(o)return pp(e,t,n);const i=e._cloneOperation.position||e._cloneOperation.targetPosition;if(!i)return pp(e,t,n);t=t.clone();const r=t._moveOperation,a=r.sourcePosition.getShiftedBy(r.howMany);return a.isEqual(i)&&(r.howMany+=1),pp(e,t,n)});class gp extends Gs{constructor(e,t,n='main'){super(t),this._doc=e,this.rootName=n}get document(){return this._doc}is(e,t){return t?'rootElement'==e&&t==this.name||super.is(e,t):'rootElement'==e||super.is(e)}toJSON(){return this.rootName}}class fp{constructor(){this._deltas=[],this._historyPoints=new Map,this._undoPairs=new Map,this._undoneDeltas=new Set}addDelta(e){if(0<e.operations.length&&!this._historyPoints.has(e.baseVersion)){const t=this._deltas.length;this._deltas[t]=e,this._historyPoints.set(e.baseVersion,t)}}*getDeltas(e=0,t=na){if(0!==this._deltas.length){let n=this._getIndex(e);if(-1!=n)for(;n<this._deltas.length;){const e=this._deltas[n++];if(e.baseVersion>=t)break;yield e}}}getDelta(e){const t=this._historyPoints.get(e);return t===void 0?null:this._deltas[t]}setDeltaAsUndone(e,t){this._undoPairs.set(t,e),this._undoneDeltas.add(e)}isUndoingDelta(e){return this._undoPairs.has(e)}isUndoneDelta(e){return this._undoneDeltas.has(e)}getUndoneDelta(e){return this._undoPairs.get(e)}_getIndex(e){const t=this._historyPoints.get(e);if(t===void 0){const t=this._deltas[this._deltas.length-1],n=t.baseVersion+t.operations.length;if(0>e||e>=n)return-1;throw new _a('model-history-wrong-version: Given base version points to the middle of a delta.')}return t}}class hp extends el{constructor(e,t){super(e,t),Xt.call(this)}detach(){this.stopListening()}}a(hp,Oa);class bp{constructor(e,t){this._lastRangeBackward=!1,this._ranges=[],this._attrs=new Map,e&&this.setRanges(e,t)}get anchor(){if(0<this._ranges.length){const e=this._ranges[this._ranges.length-1];return this._lastRangeBackward?e.end:e.start}return null}get focus(){if(0<this._ranges.length){const e=this._ranges[this._ranges.length-1];return this._lastRangeBackward?e.start:e.end}return null}get isCollapsed(){const e=this._ranges.length;return!(1!==e)&&this._ranges[0].isCollapsed}get rangeCount(){return this._ranges.length}get isBackward(){return!this.isCollapsed&&this._lastRangeBackward}isEqual(e){if(this.rangeCount!=e.rangeCount)return!1;if(0===this.rangeCount)return!0;if(!this.anchor.isEqual(e.anchor)||!this.focus.isEqual(e.focus))return!1;for(const t of this._ranges){let n=!1;for(const o of e._ranges)if(t.isEqual(o)){n=!0;break}if(!n)return!1}return!0}*getRanges(){for(const e of this._ranges)yield el.createFromRange(e)}getFirstRange(){let e=null;for(const t of this._ranges)(!e||t.start.isBefore(e.start))&&(e=t);return e?el.createFromRange(e):null}getLastRange(){let e=null;for(const t of this._ranges)(!e||t.end.isAfter(e.end))&&(e=t);return e?el.createFromRange(e):null}getFirstPosition(){const e=this.getFirstRange();return e?Zs.createFromPosition(e.start):null}getLastPosition(){const e=this.getLastRange();return e?Zs.createFromPosition(e.end):null}addRange(e,t=!1){this._pushRange(e),this._lastRangeBackward=!!t,this.fire('change:range',{directChange:!0})}removeAllRanges(){0<this._ranges.length&&(this._removeAllRanges(),this.fire('change:range',{directChange:!0}))}setRanges(e,t=!1){e=Array.from(e);const n=e.some((e)=>{if(!(e instanceof el))throw new _a('model-selection-added-not-range: Trying to add an object that is not an instance of Range.');return this._ranges.every((t)=>!t.isEqual(e))});if(e.length!==this._ranges.length||n){this._removeAllRanges();for(const t of e)this._pushRange(t);this._lastRangeBackward=!!t,this.fire('change:range',{directChange:!0})}}setTo(e){e instanceof bp?this.setRanges(e.getRanges(),e.isBackward):e instanceof el?this.setRanges([e]):E(e)?this.setRanges(e):this.setRanges([new el(e)])}setIn(e){this.setRanges([el.createIn(e)])}setOn(e){this.setRanges([el.createOn(e)])}setCollapsedAt(e,t){const n=Zs.createAt(e,t),o=new el(n,n);this.setRanges([o])}collapseToStart(){const e=this.getFirstPosition();null!==e&&this.setRanges([new el(e,e)])}collapseToEnd(){const e=this.getLastPosition();null!==e&&this.setRanges([new el(e,e)])}moveFocusTo(e,t){if(null===this.anchor)throw new _a('model-selection-moveFocusTo-no-ranges: Cannot set selection focus if there are no ranges in selection.');const n=Zs.createAt(e,t);if('same'!=n.compareWith(this.focus)){const e=this.anchor;this._ranges.length&&this._popRange(),'before'==n.compareWith(e)?this.addRange(new el(n,e),!0):this.addRange(new el(e,n))}}getAttribute(e){return this._attrs.get(e)}getAttributes(){return this._attrs.entries()}getAttributeKeys(){return this._attrs.keys()}hasAttribute(e){return this._attrs.has(e)}clearAttributes(){if(0<this._attrs.size){const e=Array.from(this._attrs.keys());this._attrs.clear(),this.fire('change:attribute',{attributeKeys:e,directChange:!0})}}removeAttribute(e){this.hasAttribute(e)&&(this._attrs.delete(e),this.fire('change:attribute',{attributeKeys:[e],directChange:!0}))}setAttribute(e,t){this.getAttribute(e)!==t&&(this._attrs.set(e,t),this.fire('change:attribute',{attributeKeys:[e],directChange:!0}))}setAttributesTo(e){if(e=P(e),!en(e,this._attrs)){const t=new Set(Array.from(e.keys()).concat(Array.from(this._attrs.keys())));for(const[n,o]of e)this._attrs.get(n)===o&&t.delete(n);this._attrs=e,this.fire('change:attribute',{attributeKeys:Array.from(t),directChange:!0})}}getSelectedElement(){if(1!==this.rangeCount)return null;const e=this.getFirstRange(),t=e.start.nodeAfter,n=e.end.nodeBefore;return t instanceof Gs&&t==n?t:null}*getSelectedBlocks(){const e=new WeakSet;for(const t of this.getRanges()){const n=nn(t.start,e);n&&(yield n);for(const n of t.getWalker())'elementEnd'==n.type&&tn(n.item,e)&&(yield n.item);const o=nn(t.end,e);o&&!t.end.isTouching(Zs.createAt(o))&&(yield o)}}containsEntireContent(e=this.anchor.root){const t=Zs.createAt(e),n=Zs.createAt(e,'end');return t.isTouching(this.getFirstPosition())&&n.isTouching(this.getLastPosition())}static createFromSelection(e){const t=new this;return t.setTo(e),t}_pushRange(e){if(!(e instanceof el))throw new _a('model-selection-added-not-range: Trying to add an object that is not an instance of Range.');this._checkRange(e),this._ranges.push(el.createFromRange(e))}_checkRange(e){for(let t=0;t<this._ranges.length;t++)if(e.isIntersecting(this._ranges[t]))throw new _a('model-selection-range-intersects: Trying to add a range that intersects with another range from selection.',{addedRange:e,intersectingRange:this._ranges[t]})}_popRange(){this._ranges.pop()}_removeAllRanges(){for(;0<this._ranges.length;)this._popRange()}}a(bp,Oa);const _p='selection:',kp=new Set(['addAttribute','removeAttribute','changeAttribute','addRootAttribute','removeRootAttribute','changeRootAttribute']);class wp extends bp{constructor(e){super(),this._document=e,this._attributePriority=new Map,this.listenTo(this._document,'change',(e,t,n,o)=>{kp.has(t)&&this._updateAttributes(!1),rn(n,o,this._document)})}get isCollapsed(){const e=this._ranges.length;return 0===e?this._document._getDefaultRange().isCollapsed:super.isCollapsed}get anchor(){return super.anchor||this._document._getDefaultRange().start}get focus(){return super.focus||this._document._getDefaultRange().end}get rangeCount(){return this._ranges.length?this._ranges.length:1}get hasOwnRange(){return 0<this._ranges.length}destroy(){for(let e=0;e<this._ranges.length;e++)this._ranges[e].detach();this.stopListening()}*getRanges(){this._ranges.length?yield*super.getRanges():yield this._document._getDefaultRange()}getFirstRange(){return super.getFirstRange()||this._document._getDefaultRange()}getLastRange(){return super.getLastRange()||this._document._getDefaultRange()}addRange(e,t=!1){super.addRange(e,t),this.refreshAttributes()}removeAllRanges(){super.removeAllRanges(),this.refreshAttributes()}setRanges(e,t=!1){super.setRanges(e,t),this.refreshAttributes()}setAttribute(e,t){if(this.isCollapsed&&this.anchor.parent.isEmpty&&this._storeAttribute(e,t),this._setAttribute(e,t)){this.fire('change:attribute',{attributeKeys:[e],directChange:!0})}}removeAttribute(e){if(this.isCollapsed&&this.anchor.parent.isEmpty&&this._removeStoredAttribute(e),this._removeAttribute(e)){this.fire('change:attribute',{attributeKeys:[e],directChange:!0})}}setAttributesTo(e){e=P(e),this.isCollapsed&&this.anchor.parent.isEmpty&&this._setStoredAttributesTo(e);const t=this._setAttributesTo(e);if(0<t.size){const e=Array.from(t);this.fire('change:attribute',{attributeKeys:e,directChange:!0})}}clearAttributes(){this.setAttributesTo([])}refreshAttributes(){this._updateAttributes(!0)}static createFromSelection(){throw new _a('documentselection-cannot-create: Cannot create a new DocumentSelection instance.')}_popRange(){this._ranges.pop().detach()}_pushRange(e){const t=this._prepareRange(e);t&&this._ranges.push(t)}_prepareRange(e){if(!(e instanceof el))throw new _a('model-selection-added-not-range: Trying to add an object that is not an instance of Range.');if(e.root==this._document.graveyard)return void wa.warn('model-selection-range-in-graveyard: Trying to add a Range that is in the graveyard root. Range rejected.');this._checkRange(e);const t=hp.createFromRange(e);return this.listenTo(t,'change:range',(e,n,o)=>{t.root==this._document.graveyard&&this._fixGraveyardSelection(t,o.sourcePosition),this.fire('change:range',{directChange:!1})}),t}_updateAttributes(e){const t=P(this._getSurroundingAttributes()),n=P(this.getAttributes());if(e)this._attributePriority=new Map,this._attrs=new Map;else for(const[e,t]of this._attributePriority)'low'==t&&(this._attrs.delete(e),this._attributePriority.delete(e));this._setAttributesTo(t,!1);const o=[];for(const[t,i]of this.getAttributes())n.has(t)&&n.get(t)===i||o.push(t);for(const[t]of n)this.hasAttribute(t)||o.push(t);0<o.length&&this.fire('change:attribute',{attributeKeys:o,directChange:!1})}static _getStoreAttributeKey(e){return _p+e}static _isStoreAttributeKey(e){return e.startsWith(_p)}_setAttribute(e,t,n=!0){const o=n?'normal':'low';if('low'==o&&'normal'==this._attributePriority.get(e))return!1;const i=super.getAttribute(e);return i!==t&&(this._attrs.set(e,t),this._attributePriority.set(e,o),!0)}_removeAttribute(e,t=!0){const n=t?'normal':'low';return'low'==n&&'normal'==this._attributePriority.get(e)?!1:!!super.hasAttribute(e)&&(this._attrs.delete(e),this._attributePriority.set(e,n),!0)}_setAttributesTo(e,t=!0){const n=new Set;for(const[o,i]of this.getAttributes())e.get(o)!==i&&this._removeAttribute(o,t)&&n.add(o);for(const[o,i]of e){const e=this._setAttribute(o,i,t);e&&n.add(o)}return n}*_getStoredAttributes(){const e=this.getFirstPosition().parent;if(this.isCollapsed&&e.isEmpty)for(const t of e.getAttributeKeys())if(t.startsWith(_p)){const n=t.substr(_p.length);yield[n,e.getAttribute(t)]}}_removeStoredAttribute(e){const t=wp._getStoreAttributeKey(e);this._document.batch().removeAttribute(this.anchor.parent,t)}_storeAttribute(e,t){const n=wp._getStoreAttributeKey(e);this._document.batch().setAttribute(this.anchor.parent,n,t)}_setStoredAttributesTo(e){const t=this.anchor.parent,n=this._document.batch();for(const[o]of this._getStoredAttributes()){const e=wp._getStoreAttributeKey(o);n.removeAttribute(t,e)}for(const[o,i]of e){const e=wp._getStoreAttributeKey(o);n.setAttribute(t,e,i)}}_getSurroundingAttributes(){const e=this.getFirstPosition(),t=this._document.schema;let n=null;if(!this.isCollapsed){const e=this.getFirstRange();for(const o of e){if(o.item.is('element')&&t.objects.has(o.item.name))break;'text'==o.type&&null==n&&(n=o.item.getAttributes())}}else{const t=e.textNode?e.textNode:e.nodeBefore,o=e.textNode?e.textNode:e.nodeAfter;if(n=on(t),n||(n=on(o)),!n)for(let e=t;e&&!n;)e=e.previousSibling,n=on(e);if(!n)for(let e=o;e&&!n;)e=e.nextSibling,n=on(e);n||(n=this._getStoredAttributes())}return n}_fixGraveyardSelection(e,t){const n=Zs.createFromPosition(t),o=this._document.getNearestSelectionRange(n),i=this._ranges.indexOf(e);if(this._ranges.splice(i,1),e.detach(),o){const e=this._prepareRange(o);this._ranges.splice(i,0,e)}this.fire('change:range',{directChange:!1})}}class yp{constructor(){this.objects=new Set,this.limits=new Set,this._items=new Map,this._extensionChains=new Map,this.registerItem('$root'),this.registerItem('$block'),this.registerItem('$inline'),this.registerItem('$text','$inline'),this.allow({name:'$block',inside:'$root'}),this.allow({name:'$inline',inside:'$block'}),this.limits.add('$root'),this.registerItem('$clipboardHolder','$root'),this.allow({name:'$inline',inside:'$clipboardHolder'})}allow(e){this._getItem(e.name).allow(yp._normalizeQueryPath(e.inside),e.attributes)}disallow(e){this._getItem(e.name).disallow(yp._normalizeQueryPath(e.inside),e.attributes)}requireAttributes(e,t){this._getItem(e).requireAttributes(t)}check(e){if(!this.hasItem(e.name))return!1;Es(e.attributes)?0===e.attributes.length&&e.attributes.push(void 0):e.attributes=[e.attributes];const t=yp._normalizeQueryPath(e.inside),n=this._extensionChains.get(e.name).map((e)=>this._getItem(e));if(!this._getItem(e.name)._checkRequiredAttributes(e.attributes))return!1;for(const o of e.attributes)for(const e of n)if(e._hasMatchingPath('disallow',t,o))return!1;for(const o of e.attributes){if(o&&wp._isStoreAttributeKey(o))continue;let e=!1;for(const i of n)if(i._hasMatchingPath('allow',t,o)){e=!0;break}if(!e)return!1}return!0}hasItem(e){return this._items.has(e)}registerItem(e,t){if(this.hasItem(e))throw new _a('model-schema-item-exists: Item with specified name already exists in schema.');if(!!t&&!this.hasItem(t))throw new _a('model-schema-no-item: Item with specified name does not exist in schema.');this._items.set(e,new vp(this));const n=this.hasItem(t)?this._extensionChains.get(t).concat(e):[e];this._extensionChains.set(e,n)}itemExtends(e,t){if(!this.hasItem(e)||!this.hasItem(t))throw new _a('model-schema-no-item: Item with specified name does not exist in schema.');const n=this._extensionChains.get(e);return n.some((e)=>e==t)}checkAttributeInSelection(e,t){if(e.isCollapsed)return this.check({name:'$text',inside:e.getFirstPosition(),attributes:t});else{const n=e.getRanges();for(const e of n)for(const n of e){const e=n.item.name||'$text',o=Array.from(n.item.getAttributeKeys()).concat(t);if(this.check({name:e,inside:n.previousPosition,attributes:o}))return!0}}return!1}getValidRanges(e,t){const n=[];for(const o of e){let e=o.start,i=o.start;const r=o.end;for(const r of o.getWalker()){const o=r.item.name||'$text',a=Zs.createBefore(r.item);this.check({name:o,inside:a,attributes:t})||(!i.isEqual(e)&&n.push(new el(i,e)),i=r.nextPosition),e=r.nextPosition}i&&!i.isEqual(r)&&n.push(new el(i,r))}return n}getLimitElement(e){let t=Array.from(e.getRanges()).reduce((e,t)=>e?e.getCommonAncestor(t.getCommonAncestor()):t.getCommonAncestor(),null);for(;!this.limits.has(t.name)&&t.parent;)t=t.parent;return t}removeDisallowedAttributes(e,t,n){for(const o of e){const e=o.is('text')?'$text':o.name,i=Array.from(o.getAttributeKeys()),r=yp._normalizeQueryPath(t);if(!this.check({name:e,attributes:i,inside:r}))for(const t of o.getAttributeKeys())this.check({name:e,attributes:t,inside:r})||(n?n.removeAttribute(o,t):o.removeAttribute(t));o.is('element')&&this.removeDisallowedAttributes(o.getChildren(),r.concat(o.name),n)}}_getItem(e){if(!this.hasItem(e))throw new _a('model-schema-no-item: Item with specified name does not exist in schema.');return this._items.get(e)}static _normalizeQueryPath(e){let t=[];if(Es(e))for(const n of e)n instanceof Gs?t.push(n.name):Os(n)&&t.push(n);else if(e instanceof Zs){for(let n=e.parent;null!==n;)t.push(n.name),n=n.parent;t.reverse()}else Os(e)&&(t=e.split(' '));return t}}class vp{constructor(e){this._schema=e,this._allowed=[],this._disallowed=[],this._requiredAttributes=[]}allow(e,t){this._addPath('_allowed',e,t)}disallow(e,t){this._addPath('_disallowed',e,t)}requireAttributes(e){this._requiredAttributes.push(e)}toJSON(){const e=Wd(this);return e._schema='[model.Schema]',e}_addPath(e,t,n){t=t.slice(),Es(n)||(n=[n]);for(const o of n)this[e].push({path:t,attribute:o})}_getPaths(e,t){const n='allow'===e?this._allowed:this._disallowed,o=[];for(const i of n)i.attribute===t&&o.push(i.path);return o}_checkRequiredAttributes(e){let t=!0;for(const n of this._requiredAttributes){t=!0;for(const o of n)if(-1==e.indexOf(o)){t=!1;break}if(t)break}return t}_hasMatchingPath(e,t,n){const o=this._getPaths(e,n);for(const i of o)if(an(this._schema,t,i))return!0;return!1}}class xp{constructor(){this._markers=new Map}[Symbol.iterator](){return this._markers.values()}has(e){return this._markers.has(e)}get(e){return this._markers.get(e)||null}set(e,t){const n=e instanceof Ap?e.name:e,o=this._markers.get(n);if(o){const e=o.getRange();if(e.isEqual(t))return o;this.remove(n)}const i=hp.createFromRange(t),r=new Ap(n,i);return this._markers.set(n,r),this.fire('add:'+n,r),r}remove(e){const t=e instanceof Ap?e.name:e,n=this._markers.get(t);return!!n&&(this._markers.delete(t),this.fire('remove:'+t,n),this._destroyMarker(n),!0)}*getMarkersAtPosition(e){for(const t of this)t.getRange().containsPosition(e)&&(yield t)}destroy(){for(const e of this._markers.values())this._destroyMarker(e);this._markers=null,this.stopListening()}*getMarkersGroup(e){for(const t of this._markers.values())t.name.startsWith(e+':')&&(yield t)}_destroyMarker(e){e.stopListening(),e._liveRange.detach(),e._liveRange=null}}a(xp,Oa);class Ap{constructor(e,t){this.name=e,this._liveRange=t,this._liveRange.delegate('change:range').to(this),this._liveRange.delegate('change:content').to(this)}getStart(){if(!this._liveRange)throw new _a('marker-destroyed: Cannot use a destroyed marker instance.');return Zs.createFromPosition(this._liveRange.start)}getEnd(){if(!this._liveRange)throw new _a('marker-destroyed: Cannot use a destroyed marker instance.');return Zs.createFromPosition(this._liveRange.end)}getRange(){if(!this._liveRange)throw new _a('marker-destroyed: Cannot use a destroyed marker instance.');return el.createFromRange(this._liveRange)}}a(Ap,Oa);const Cp='$graveyard';class Tp{constructor(){this.version=0,this.schema=new yp,this.history=new fp(this),this.markers=new xp,this.selection=new wp(this),this._pendingChanges=[],this.roots=new Map,this.selection.on('change:range',()=>{for(const e of this.selection.getRanges())if(!this._validateSelectionRange(e))throw new _a('document-selection-wrong-position: Range from document selection starts or ends at incorrect position.',{range:e})}),this.createRoot('$root',Cp)}get graveyard(){return this.getRoot(Cp)}applyOperation(e){if(e.baseVersion!==this.version)throw new _a('model-document-applyOperation-wrong-version: Only operations with matching versions can be applied.',{operation:e});const t=e._execute();this.version++,this.history.addDelta(e.delta),this.fire('change',e.type,t,e.delta.batch,e.delta.type)}batch(e){return new rm(this,e)}createRoot(e='$root',t='main'){if(this.roots.has(t))throw new _a('model-document-createRoot-name-exists: Root with specified name already exists.',{name:t});const n=new gp(this,e,t);return this.roots.set(t,n),n}destroy(){this.selection.destroy(),this.stopListening()}enqueueChanges(e){if(this._pendingChanges.push(e),1==this._pendingChanges.length){for(;this._pendingChanges.length;)this._pendingChanges[0](),this._pendingChanges.shift();this.fire('changesDone')}}getRoot(e='main'){if(!this.roots.has(e))throw new _a('model-document-getRoot-root-not-exist: Root with specified name does not exist.',{name:e});return this.roots.get(e)}hasRoot(e){return this.roots.has(e)}getRootNames(){return Array.from(this.roots.keys()).filter((e)=>e!=Cp)}getNearestSelectionRange(e,t='both'){if(this.schema.check({name:'$text',inside:e}))return new el(e);let n,o;('both'==t||'backward'==t)&&(n=new Ys({startPosition:e,direction:'backward'})),('both'==t||'forward'==t)&&(o=new Ys({startPosition:e}));for(const i of ln(n,o)){const e=i.walker==n?'elementEnd':'elementStart',t=i.value;if(t.type==e&&this.schema.objects.has(t.item.name))return el.createOn(t.item);if(this.schema.check({name:'$text',inside:t.nextPosition}))return new el(t.nextPosition)}return null}transformDeltas(e,t,n=!1){return cp.transformDeltaSets(e,t,n?this:null)}toJSON(){const e=Wd(this);return e.selection='[engine.model.DocumentSelection]',e}_getDefaultRoot(){for(const e of this.roots.values())if(e!==this.graveyard)return e;return this.graveyard}_getDefaultRange(){const e=this._getDefaultRoot(),t=new Zs(e,[0]),n=this.getNearestSelectionRange(t);return n||new el(t)}_validateSelectionRange(e){return sn(e.start)&&sn(e.end)}}a(Tp,Oa);class Pp{constructor(e){const t=this.constructor.build&&this.constructor.build.plugins;this.config=new ha(e,this.constructor.build&&this.constructor.build.config),this.config.define('plugins',t),this.plugins=new ya(this,t),this.commands=new va,this.locale=new Aa(this.config.get('lang')),this.t=this.locale.t,this.document=new Tp,this.data=new Ac(this.document),this.set('isReadOnly',!1)}initPlugins(){function e(e,t){return e.reduce((e,n)=>n[t]?e.then(n[t].bind(n)):e,Promise.resolve())}const t=this,n=this.config;return function(){const e=n.get('plugins')||[],o=n.get('removePlugins')||[];return t.plugins.load(e,o)}().then((t)=>e(t,'init').then(()=>e(t,'afterInit'))).then(()=>this.fire('pluginsReady'))}destroy(){return this.fire('destroy'),this.stopListening(),this.commands.destroy(),this.plugins.destroy().then(()=>{this.document.destroy(),this.data.destroy()})}execute(...e){this.commands.execute(...e)}static create(e){return new Promise((t)=>{const n=new this(e);t(n.initPlugins().then(()=>{n.fire('dataReady'),n.fire('ready')}).then(()=>n))})}}a(Pp,Us);const Ep=js({},Oa,{listenTo(...e){const t=e[0];dn(t)&&(e[0]=this._getProxyEmitter(t)||new Vp(t)),Oa.listenTo.apply(this,e)},stopListening(...e){const t=e[0];if(dn(t)){const n=this._getProxyEmitter(t);if(!n)return;e[0]=n}Oa.stopListening.apply(this,e)},_getProxyEmitter(e){return l(this,cn(e))}});var Sp=Ep;class Vp{constructor(e){d(this,cn(e)),this._domNode=e}}js(Vp.prototype,Oa,{on(e,t,n={}){if(Oa.on.call(this,e,t,n),!(this._domListeners&&this._domListeners[e])){const t=this._createDomListener(e,!!n.useCapture);this._domNode.addEventListener(e,t,!!n.useCapture),this._domListeners||(this._domListeners={}),this._domListeners[e]=t}},off(e,t){Oa.off.call(this,e,t);let n;!this._domListeners[e]||(n=this._events[e])&&n.callbacks.length||this._domListeners[e].removeListener()},_createDomListener(e,t){const n=(t)=>{this.fire(e,t)};return n.removeListener=()=>{this._domNode.removeEventListener(e,n,t),delete this._domListeners[e]},n}});class Op{constructor(){this._listener=Object.create(Sp)}listenTo(e){this._listener.listenTo(e,'keydown',(e,t)=>{this._listener.fire('_keydown:'+ee(t),t)})}set(e,t,n={}){const o=te(e),i=n.priority;this._listener.listenTo(this._listener,'_keydown:'+o,(e,n)=>{t(n,()=>{n.preventDefault(),n.stopPropagation(),e.stop()}),e.return=!0},{priority:i})}press(e){return!!this._listener.fire('_keydown:'+ee(e),e)}destroy(){this._listener.stopListening()}}class Rp extends Op{constructor(e){super(),this.editor=e}set(e,t,n={}){if('string'==typeof t){const e=t;t=(t,n)=>{this.editor.execute(e),n()}}super.set(e,t,n)}}class Fp{constructor(e,t){this._ranges=[],this._lastRangeBackward=!1,this._isFake=!1,this._fakeSelectionLabel='',e&&this.setRanges(e,t)}setFake(e=!0,t={}){this._isFake=e,this._fakeSelectionLabel=e?t.label||'':'',this.fire('change')}get isFake(){return this._isFake}get fakeSelectionLabel(){return this._fakeSelectionLabel}get anchor(){if(!this._ranges.length)return null;const e=this._ranges[this._ranges.length-1],t=this._lastRangeBackward?e.end:e.start;return ec.createFromPosition(t)}get focus(){if(!this._ranges.length)return null;const e=this._ranges[this._ranges.length-1],t=this._lastRangeBackward?e.start:e.end;return ec.createFromPosition(t)}get isCollapsed(){return 1===this.rangeCount&&this._ranges[0].isCollapsed}get rangeCount(){return this._ranges.length}get isBackward(){return!this.isCollapsed&&this._lastRangeBackward}get editableElement(){return this.anchor?this.anchor.editableElement:null}addRange(e,t){if(!(e instanceof tc))throw new _a('view-selection-invalid-range: Invalid Range.');this._pushRange(e),this._lastRangeBackward=!!t,this.fire('change')}*getRanges(){for(const e of this._ranges)yield tc.createFromRange(e)}getFirstRange(){let e=null;for(const t of this._ranges)(!e||t.start.isBefore(e.start))&&(e=t);return e?tc.createFromRange(e):null}getLastRange(){let e=null;for(const t of this._ranges)(!e||t.end.isAfter(e.end))&&(e=t);return e?tc.createFromRange(e):null}getFirstPosition(){const e=this.getFirstRange();return e?ec.createFromPosition(e.start):null}getLastPosition(){const e=this.getLastRange();return e?ec.createFromPosition(e.end):null}isEqual(e){if(this.isFake!=e.isFake)return!1;if(this.isFake&&this.fakeSelectionLabel!=e.fakeSelectionLabel)return!1;if(this.rangeCount!=e.rangeCount)return!1;if(0===this.rangeCount)return!0;if(!this.anchor.isEqual(e.anchor)||!this.focus.isEqual(e.focus))return!1;for(const t of this._ranges){let n=!1;for(const o of e._ranges)if(t.isEqual(o)){n=!0;break}if(!n)return!1}return!0}isSimilar(e){if(this.isBackward!=e.isBackward)return!1;const t=mn(this.getRanges()),n=mn(e.getRanges());if(t!=n)return!1;if(0==t)return!0;for(let t of this.getRanges()){t=t.getTrimmed();let n=!1;for(let o of e.getRanges())if(o=o.getTrimmed(),t.start.isEqual(o.start)&&t.end.isEqual(o.end)){n=!0;break}if(!n)return!1}return!0}removeAllRanges(){this._ranges.length&&(this._ranges=[],this.fire('change'))}setRanges(e,t){this._ranges=[];for(const n of e){if(!(n instanceof tc))throw new _a('view-selection-invalid-range: Invalid Range.');this._pushRange(n)}this._lastRangeBackward=!!t,this.fire('change')}setTo(e){e instanceof Fp?(this._isFake=e._isFake,this._fakeSelectionLabel=e._fakeSelectionLabel,this.setRanges(e.getRanges(),e.isBackward)):e instanceof tc?this.setRanges([e]):E(e)?this.setRanges(e):this.setRanges([new tc(e)])}setIn(e){this.setRanges([tc.createIn(e)])}setOn(e){this.setRanges([tc.createOn(e)])}setCollapsedAt(e,t){const n=ec.createAt(e,t),o=new tc(n,n);this.setRanges([o])}collapseToStart(){const e=this.getFirstPosition();null!==e&&this.setRanges([new tc(e,e)])}collapseToEnd(){const e=this.getLastPosition();null!==e&&this.setRanges([new tc(e,e)])}moveFocusTo(e,t){if(null===this.anchor)throw new _a('view-selection-moveFocusTo-no-ranges: Cannot set selection focus if there are no ranges in selection.');const n=ec.createAt(e,t);if('same'!=n.compareWith(this.focus)){const e=this.anchor;this._ranges.pop(),'before'==n.compareWith(e)?this.addRange(new tc(n,e),!0):this.addRange(new tc(e,n))}}getSelectedElement(){if(1!==this.rangeCount)return null;const e=this.getFirstRange(),t=e.start.nodeAfter,n=e.end.nodeBefore;return t instanceof Qd&&t==n?t:null}static createFromSelection(e){const t=new Fp;return t.setTo(e),t}_pushRange(e){for(const t of this._ranges)if(e.isIntersecting(t))throw new _a('view-selection-range-intersects: Trying to add a range that intersects with another range from selection.',{addedRange:e,intersectingRange:t});this._ranges.push(tc.createFromRange(e))}}a(Fp,Oa);const Np=(e)=>{const t=e.createElement('br');return t.dataset.ckeFiller=!0,t},Ip=(e)=>e.createTextNode('\xA0'),Bp=7;let Mp='';for(let o=0;o<Bp;o++)Mp+='\u200B';const Dp=new WeakMap;class Lp{constructor(e,t){this.domDocuments=new Set,this.domConverter=e,this.markedAttributes=new Set,this.markedChildren=new Set,this.markedTexts=new Set,this.selection=t,this._inlineFiller=null,this.isFocused=!1,this._fakeSelectionContainer=null}markToSync(e,t){if('text'===e)this.domConverter.mapViewToDom(t.parent)&&this.markedTexts.add(t);else{if(!this.domConverter.mapViewToDom(t))return;if('attributes'===e)this.markedAttributes.add(t);else if('children'===e)this.markedChildren.add(t);else throw new _a('view-renderer-unknown-type: Unknown type passed to Renderer.markToSync.')}}render(){let e;this._inlineFiller&&!this._isSelectionInInlineFiller()&&this._removeInlineFiller(),this._inlineFiller?e=this._getInlineFillerPosition():this._needsInlineFillerAtSelection()&&(e=this.selection.getFirstPosition(),this.markedChildren.add(e.parent));for(const t of this.markedTexts)!this.markedChildren.has(t.parent)&&this.domConverter.mapViewToDom(t.parent)&&this._updateText(t,{inlineFillerPosition:e});for(const e of this.markedAttributes)this._updateAttrs(e);for(const t of this.markedChildren)this._updateChildren(t,{inlineFillerPosition:e});if(e){const t=this.domConverter.viewPositionToDom(e),n=t.parent.ownerDocument;this._inlineFiller=un(t.parent)?t.parent:this._addInlineFiller(n,t.parent,t.offset)}else this._inlineFiller=null;this._updateSelection(),this._updateFocus(),this.markedTexts.clear(),this.markedAttributes.clear(),this.markedChildren.clear()}_addInlineFiller(e,t,n){const o=t instanceof Array?t:t.childNodes,i=o[n];if(this.domConverter.isText(i))return i.data=Mp+i.data,i;else{const i=e.createTextNode(Mp);return Array.isArray(t)?o.splice(n,0,i):kn(t,n,i),i}}_getInlineFillerPosition(){const e=this.selection.getFirstPosition();return e.parent.is('text')?ec.createBefore(this.selection.getFirstPosition().parent):e}_isSelectionInInlineFiller(){if(1!=this.selection.rangeCount||!this.selection.isCollapsed)return!1;const e=this.selection.getFirstPosition(),t=this.domConverter.viewPositionToDom(e);return t&&this.domConverter.isText(t.parent)&&un(t.parent)}_removeInlineFiller(){const e=this._inlineFiller;if(!un(e))throw new _a('view-renderer-filler-was-lost: The inline filler node was lost.');pn(e)?e.parentNode.removeChild(e):e.data=e.data.substr(Bp),this._inlineFiller=null}_needsInlineFillerAtSelection(){if(1!=this.selection.rangeCount||!this.selection.isCollapsed)return!1;const e=this.selection.getFirstPosition(),t=e.parent,n=e.offset;if(!this.domConverter.mapViewToDom(t.root))return!1;if(!t.is('element'))return!1;if(!yn(t))return!1;if(n===t.getFillerOffset())return!1;const o=e.nodeBefore,i=e.nodeAfter;return o instanceof $d||i instanceof $d?!1:!0}_updateText(e,t){const n=this.domConverter.findCorrespondingDomText(e),o=this.domConverter.viewToDom(e,n.ownerDocument),i=n.data;let r=o.data;const a=t.inlineFillerPosition;a&&a.parent==e.parent&&a.offset==e.index&&(r=Mp+r),i!=r&&(n.data=r)}_updateAttrs(e){const t=this.domConverter.mapViewToDom(e),n=Array.from(t.attributes).map((e)=>e.name),o=e.getAttributeKeys();for(const n of o)t.setAttribute(n,e.getAttribute(n));for(const o of n)e.hasAttribute(o)||t.removeAttribute(o)}_updateChildren(e,t){function n(e,t){if(e===t)return!0;return o.isText(e)&&o.isText(t)?e.data===t.data:fn(e,o.blockFiller)&&fn(t,o.blockFiller)}const o=this.domConverter,r=o.mapViewToDom(e);if(r){const a=r.ownerDocument,s=t.inlineFillerPosition,l=r.childNodes,d=Array.from(o.viewChildrenToDom(e,a,{bind:!0}));s&&s.parent==e&&this._addInlineFiller(a,d,s.offset);const c=_n(l,d,n);let m=0;const i=new Set;for(const e of c)'insert'===e?(kn(r,m,d[m]),m++):'delete'===e?(i.add(l[m]),wn(l[m])):m++;for(const e of i)e.parentNode||this.domConverter.unbindDomElement(e)}}_updateSelection(){if(0===this.selection.rangeCount)return this._removeDomSelection(),void this._removeFakeSelection();const e=this.domConverter.mapViewToDom(this.selection.editableElement);this.isFocused&&e&&(this.selection.isFake?this._updateFakeSelection(e):(this._removeFakeSelection(),this._updateDomSelection(e)))}_updateFakeSelection(e){const t=e.ownerDocument;this._fakeSelectionContainer||(this._fakeSelectionContainer=t.createElement('div'),this._fakeSelectionContainer.style.position='fixed',this._fakeSelectionContainer.style.top=0,this._fakeSelectionContainer.style.left='-9999px',this._fakeSelectionContainer.appendChild(t.createTextNode('\xA0'))),this._fakeSelectionContainer.parentElement||e.appendChild(this._fakeSelectionContainer);const n=this.selection.fakeSelectionLabel||'\xA0';this._fakeSelectionContainer.firstChild.data=n;const o=t.getSelection();o.removeAllRanges();const i=t.createRange();i.selectNodeContents(this._fakeSelectionContainer),o.addRange(i),this.domConverter.bindFakeSelection(this._fakeSelectionContainer,this.selection)}_updateDomSelection(e){const t=e.ownerDocument.defaultView.getSelection();if(this._domSelectionNeedsUpdate(t)){const e=this.domConverter.viewPositionToDom(this.selection.anchor),n=this.domConverter.viewPositionToDom(this.selection.focus);t.collapse(e.parent,e.offset),t.extend(n.parent,n.offset)}}_domSelectionNeedsUpdate(e){if(!this.domConverter.isDomSelectionCorrect(e))return!0;const t=e&&this.domConverter.domSelectionToView(e);return t&&this.selection.isEqual(t)?!1:!this.selection.isCollapsed&&this.selection.isSimilar(t)?!1:!0}_removeDomSelection(){for(const e of this.domDocuments){const t=e.getSelection();if(t.rangeCount){const t=e.activeElement,n=this.domConverter.mapDomToView(t);t&&n&&e.getSelection().removeAllRanges()}}}_removeFakeSelection(){const e=this._fakeSelectionContainer;e&&e.remove()}_updateFocus(){if(this.isFocused){const e=this.selection.editableElement;e&&this.domConverter.focus(e)}}}a(Lp,Us);var jp={window,document};class zp{constructor(e={}){this.blockFiller=e.blockFiller||Np,this.preElements=['pre'],this.blockElements=['p','div','h1','h2','h3','h4','h5','h6'],this._domToViewMapping=new WeakMap,this._viewToDomMapping=new WeakMap,this._fakeSelectionMapping=new WeakMap}bindFakeSelection(e,t){this._fakeSelectionMapping.set(e,Fp.createFromSelection(t))}fakeSelectionToView(e){return this._fakeSelectionMapping.get(e)}bindElements(e,t){this._domToViewMapping.set(e,t),this._viewToDomMapping.set(t,e)}unbindDomElement(e){const t=this._domToViewMapping.get(e);if(t){this._domToViewMapping.delete(e),this._viewToDomMapping.delete(t);for(const t of Array.from(e.childNodes))this.unbindDomElement(t)}}bindDocumentFragments(e,t){this._domToViewMapping.set(e,t),this._viewToDomMapping.set(t,e)}viewToDom(e,t,n={}){if(e.is('text')){const n=this._processDataFromViewText(e);return t.createTextNode(n)}else{if(this.mapViewToDom(e))return this.mapViewToDom(e);let o;if(e.is('documentFragment'))o=t.createDocumentFragment(),n.bind&&this.bindDocumentFragments(o,e);else{if(e.is('uiElement'))return o=e.render(t),n.bind&&this.bindElements(o,e),o;o=t.createElement(e.name),n.bind&&this.bindElements(o,e);for(const t of e.getAttributeKeys())o.setAttribute(t,e.getAttribute(t))}if(n.withChildren||void 0===n.withChildren)for(const i of this.viewChildrenToDom(e,t,n))o.appendChild(i);return o}}*viewChildrenToDom(e,t,n={}){const o=e.getFillerOffset&&e.getFillerOffset();let i=0;for(const r of e.getChildren())o===i&&(yield this.blockFiller(t)),yield this.viewToDom(r,t,n),i++;o===i&&(yield this.blockFiller(t))}viewRangeToDom(e){const t=this.viewPositionToDom(e.start),n=this.viewPositionToDom(e.end),o=document.createRange();return o.setStart(t.parent,t.offset),o.setEnd(n.parent,n.offset),o}viewPositionToDom(e){const t=e.parent;if(t.is('text')){const n=this.findCorrespondingDomText(t);if(!n)return null;let o=e.offset;return un(n)&&(o+=Bp),{parent:n,offset:o}}else{let n,o,i;if(0===e.offset){if(n=this.mapViewToDom(t),!n)return null;i=n.childNodes[0]}else{const t=e.nodeBefore;if(o=t.is('text')?this.findCorrespondingDomText(t):this.mapViewToDom(e.nodeBefore),!o)return null;n=o.parentNode,i=o.nextSibling}if(this.isText(i)&&un(i))return{parent:i,offset:Bp};const r=o?vn(o)+1:0;return{parent:n,offset:r}}}domToView(e,t={}){if(fn(e,this.blockFiller))return null;const n=this.getParentUIElement(e,this._domToViewMapping);if(n)return n;if(this.isText(e)){if(pn(e))return null;else{const t=this._processDataFromDomText(e);return''===t?null:new $d(t)}}else if(this.isComment(e))return null;else{if(this.mapDomToView(e))return this.mapDomToView(e);let n;if(this.isDocumentFragment(e))n=new gc,t.bind&&this.bindDocumentFragments(e,n);else{const o=t.keepOriginalCase?e.tagName:e.tagName.toLowerCase();n=new Qd(o),t.bind&&this.bindElements(e,n);const r=e.attributes;for(let e=r.length-1;0<=e;e--)n.setAttribute(r[e].name,r[e].value)}if(t.withChildren||void 0===t.withChildren)for(const o of this.domChildrenToView(e,t))n.appendChildren(o);return n}}*domChildrenToView(e,t={}){for(let n=0;n<e.childNodes.length;n++){const o=e.childNodes[n],i=this.domToView(o,t);null!==i&&(yield i)}}domSelectionToView(e){if(1===e.rangeCount){let t=e.getRangeAt(0).startContainer;this.isText(t)&&(t=t.parentNode);const n=this.fakeSelectionToView(t);if(n)return n}const t=new Fp,n=this.isDomSelectionBackward(e);for(let o=0;o<e.rangeCount;o++){const i=e.getRangeAt(o),r=this.domRangeToView(i);r&&t.addRange(r,n)}return t}domRangeToView(e){const t=this.domPositionToView(e.startContainer,e.startOffset),n=this.domPositionToView(e.endContainer,e.endOffset);return t&&n?new tc(t,n):null}domPositionToView(e,t){if(fn(e,this.blockFiller))return this.domPositionToView(e.parentNode,vn(e));const n=this.mapDomToView(e);if(n&&n.is('uiElement'))return ec.createBefore(n);if(this.isText(e)){if(pn(e))return this.domPositionToView(e.parentNode,vn(e));const n=this.findCorrespondingViewText(e);let o=t;return n?(un(e)&&(o-=Bp,o=0>o?0:o),new ec(n,o)):null}if(0===t){const t=this.mapDomToView(e);if(t)return new ec(t,0)}else{const n=e.childNodes[t-1],o=this.isText(n)?this.findCorrespondingViewText(n):this.mapDomToView(n);if(o&&o.parent)return new ec(o.parent,o.index+1)}return null}mapDomToView(e){return this.getParentUIElement(e)||this._domToViewMapping.get(e)}findCorrespondingViewText(e){if(pn(e))return null;const t=this.getParentUIElement(e);if(t)return t;const n=e.previousSibling;if(n){if(!this.isElement(n))return null;const e=this.mapDomToView(n);if(e){const t=e.nextSibling;return t instanceof $d?e.nextSibling:null}}else{const t=this.mapDomToView(e.parentNode);if(t){const e=t.getChild(0);return e instanceof $d?e:null}}return null}mapViewToDom(e){return this._viewToDomMapping.get(e)}findCorrespondingDomText(e){const t=e.previousSibling;return t&&this.mapViewToDom(t)?this.mapViewToDom(t).nextSibling:!t&&e.parent&&this.mapViewToDom(e.parent)?this.mapViewToDom(e.parent).childNodes[0]:null}focus(e){const t=this.mapViewToDom(e);if(t&&t.ownerDocument.activeElement!==t){const{scrollX:e,scrollY:n}=jp.window,o=[];Tn(t,(e)=>{const{scrollLeft:t,scrollTop:n}=e;o.push([t,n])}),t.focus(),Tn(t,(e)=>{const[t,n]=o.shift();e.scrollLeft=t,e.scrollTop=n}),jp.window.scrollTo(e,n)}}isText(e){return e&&e.nodeType==Node.TEXT_NODE}isElement(e){return e&&e.nodeType==Node.ELEMENT_NODE}isDocumentFragment(e){return e&&e.nodeType==Node.DOCUMENT_FRAGMENT_NODE}isComment(e){return e&&e.nodeType==Node.COMMENT_NODE}isDomSelectionBackward(e){if(e.isCollapsed)return!1;const t=document.createRange();t.setStart(e.anchorNode,e.anchorOffset),t.setEnd(e.focusNode,e.focusOffset);const n=t.collapsed;return t.detach(),n}getParentUIElement(e){const t=xn(e);for(t.pop();t.length;){const e=t.pop(),n=this._domToViewMapping.get(e);if(n&&n.is('uiElement'))return n}return null}isDomSelectionCorrect(e){return this._isDomSelectionPositionCorrect(e.anchorNode,e.anchorOffset)&&this._isDomSelectionPositionCorrect(e.focusNode,e.focusOffset)}_isDomSelectionPositionCorrect(e,t){if(this.isText(e)&&un(e)&&t<Bp)return!1;if(this.isElement(e)&&un(e.childNodes[t]))return!1;const n=this.mapDomToView(e);return n&&n.is('uiElement')?!1:!0}_processDataFromViewText(e){let t=e.data;if(e.getAncestors().some((e)=>this.preElements.includes(e.name)))return t;if(' '==t.charAt(0)){const n=this._getTouchingViewTextNode(e,!1),o=n&&this._nodeEndsWithSpace(n);(o||!n)&&(t='\xA0'+t.substr(1))}if(' '==t.charAt(t.length-1)){const n=this._getTouchingViewTextNode(e,!0);n||(t=t.substr(0,t.length-1)+'\xA0')}return t.replace(/ {2}/g,' \xA0')}_nodeEndsWithSpace(e){if(e.getAncestors().some((e)=>this.preElements.includes(e.name)))return!1;const t=this._processDataFromViewText(e);return' '==t.charAt(t.length-1)}_processDataFromDomText(e){let t=gn(e);if(Cn(e,this.preElements))return t;t=t.replace(/[ \n\t\r]{1,}/g,' ');const n=this._getTouchingDomTextNode(e,!1),o=this._getTouchingDomTextNode(e,!0);return(!n||/[^\S\u00A0]/.test(n.data.charAt(n.data.length-1)))&&(t=t.replace(/^ /,'')),o||(t=t.replace(/ $/,'')),t=t.replace(/ \u00A0/g,'  '),(!n||/[^\S\u00A0]/.test(n.data.charAt(n.data.length-1)))&&(t=t.replace(/^\u00A0/,' ')),o&&'\xA0'!=o.data.charAt(0)||(t=t.replace(/\u00A0( *)$/,' $1')),t}_getTouchingViewTextNode(e,t){const n=new Gd({startPosition:t?ec.createAfter(e):ec.createBefore(e),direction:t?'forward':'backward'});for(const o of n){if(o.item.is('containerElement'))return null;if(o.item.is('text'))return o.item}return null}_getTouchingDomTextNode(e,t){if(!e.parentNode)return null;const n=t?'nextNode':'previousNode',o=e.ownerDocument,i=o.createTreeWalker(o.childNodes[0],NodeFilter.SHOW_TEXT);i.currentNode=e;const r=i[n]();if(null!==r){const t=An(e,r);if(t&&!Cn(e,this.blockElements,t)&&!Cn(r,this.blockElements,t))return r}return null}}const qp=Symbol('rootName');class Hp extends Zd{constructor(e){super(e),this.rootName='main'}is(e,t=null){return t?'rootElement'==e&&t==this.name||super.is(e,t):'rootElement'==e||super.is(e)}get rootName(){return this.getCustomProperty(qp)}set rootName(e){this.setCustomProperty(qp,e)}}class Wp{constructor(e){this.document=e,this.isEnabled=!1}enable(){this.isEnabled=!0}disable(){this.isEnabled=!1}destroy(){this.disable(),this.stopListening()}}a(Wp,Sp);var Up=function(e,t,n){n='function'==typeof n?n:void 0;var o=n?n(e,t):void 0;return o===void 0?Hc(e,t,n):!!o};class $p extends Wp{constructor(e){super(e),this._config={childList:!0,characterData:!0,characterDataOldValue:!0,subtree:!0},this.domConverter=e.domConverter,this.renderer=e.renderer,this._domElements=[],this._mutationObserver=new window.MutationObserver(this._onMutations.bind(this))}flush(){this._onMutations(this._mutationObserver.takeRecords())}observe(e){this._domElements.push(e),this.isEnabled&&this._mutationObserver.observe(e,this._config)}enable(){super.enable();for(const e of this._domElements)this._mutationObserver.observe(e,this._config)}disable(){super.disable(),this._mutationObserver.disconnect()}destroy(){super.destroy(),this._mutationObserver.disconnect()}_onMutations(e){function t(e,t){if(!Array.isArray(e))return e===t||e.is('text')&&t.is('text')&&e.data===t.data}if(0===e.length)return;const n=this.domConverter,o=new Map,i=new Set;for(const t of e)if('childList'===t.type){const e=n.mapDomToView(t.target);if(e&&e.is('uiElement'))continue;e&&!this._isBogusBrMutation(t)&&i.add(e)}for(const t of e){const e=n.mapDomToView(t.target);if(!(e&&e.is('uiElement'))&&'characterData'===t.type){const e=n.findCorrespondingViewText(t.target);e&&!i.has(e.parent)?o.set(e,{type:'text',oldText:e.data,newText:gn(t.target),node:e}):!e&&un(t.target)&&i.add(n.mapDomToView(t.target.parentNode))}}const r=[];for(const t of o.values())this.renderer.markToSync('text',t.node),r.push(t);for(const o of i){const e=n.mapViewToDom(o),i=Array.from(o.getChildren()),a=Array.from(n.domChildrenToView(e));Up(i,a,t)||(this.renderer.markToSync('children',o),r.push({type:'children',oldChildren:i,newChildren:a,node:o}))}const a=e[0].target.ownerDocument.getSelection();let s=null;if(a&&a.anchorNode){const e=n.domPositionToView(a.anchorNode,a.anchorOffset),t=n.domPositionToView(a.focusNode,a.focusOffset);e&&t&&(s=new Fp,s.setCollapsedAt(e),s.moveFocusTo(t))}this.document.fire('mutations',r,s),this.document.render()}_isBogusBrMutation(e){let t=null;return null===e.nextSibling&&0===e.removedNodes.length&&1==e.addedNodes.length&&(t=this.domConverter.domToView(e.addedNodes[0],{withChildren:!1})),t&&t.is('element','br')}}var Kp=Date.now,Qp=Kp,Jp=function(e,t,n){function o(t){var n=f,o=h;return f=h=void 0,m=t,_=e.apply(o,n),_}function i(e){return m=e,k=setTimeout(s,t),u?o(e):_}function r(e){var n=e-c,o=e-m,i=t-n;return p?oa(i,b-o):i}function a(e){var n=e-c,o=e-m;return!c||n>=t||0>n||p&&o>=b}function s(){var e=Qp();return a(e)?l(e):void(k=setTimeout(s,r(e)))}function l(e){return(clearTimeout(k),k=void 0,g&&f)?o(e):(f=h=void 0,_)}function d(){var e=Qp(),n=a(e);if(f=arguments,h=this,c=e,n){if(void 0===k)return i(c);if(p)return clearTimeout(k),k=setTimeout(s,t),o(c)}return void 0===k&&(k=setTimeout(s,t)),_}var c=0,m=0,u=!1,p=!1,g=!0,f,h,b,_,k;if('function'!=typeof e)throw new TypeError('Expected a function');return t=is(t)||0,La(n)&&(u=!!n.leading,p='maxWait'in n,b=p?ia(is(n.maxWait)||0,t):b,g='trailing'in n?!!n.trailing:g),d.cancel=function(){void 0!==k&&clearTimeout(k),c=m=0,f=h=k=void 0},d.flush=function(){return void 0===k?_:l(Qp())},d};class Gp extends Wp{constructor(e){super(e),this.mutationObserver=e.getObserver($p),this.document=e,this.selection=e.selection,this.domConverter=e.domConverter,this._documents=new WeakSet,this._fireSelectionChangeDoneDebounced=Jp((e)=>this.document.fire('selectionChangeDone',e),200),this._clearInfiniteLoopInterval=setInterval(()=>this._clearInfiniteLoop(),1e3),this._loopbackCounter=0}observe(e){const t=e.ownerDocument;this._documents.has(t)||(this.listenTo(t,'selectionchange',()=>{this._handleSelectionChange(t)}),this._documents.add(t))}destroy(){super.destroy(),clearInterval(this._clearInfiniteLoopInterval),this._fireSelectionChangeDoneDebounced.cancel()}_handleSelectionChange(e){if(this.isEnabled&&(this.document.isFocused||this.document.isReadOnly)){this.mutationObserver.flush();const t=e.defaultView.getSelection(),n=this.domConverter.domSelectionToView(t);if(!(this.selection.isEqual(n)&&this.domConverter.isDomSelectionCorrect(t))){if(60<++this._loopbackCounter)return void wa.warn('selectionchange-infinite-loop: Selection change observer detected an infinite rendering loop.');if(this.selection.isSimilar(n))this.document.render();else{const e={oldSelection:this.selection,newSelection:n,domSelection:t};this.document.fire('selectionChange',e),this._fireSelectionChangeDoneDebounced(e)}}}}_clearInfiniteLoop(){this._loopbackCounter=0}}class Yp{constructor(e,t,n){this.document=e,this.domEvent=t,this.domTarget=t.target,js(this,n)}get target(){return this.document.domConverter.mapDomToView(this.domTarget)}preventDefault(){this.domEvent.preventDefault()}stopPropagation(){this.domEvent.stopPropagation()}}class Xp extends Wp{constructor(e){super(e),this.useCapture=!1}observe(e){const t='string'==typeof this.domEventType?[this.domEventType]:this.domEventType;t.forEach((t)=>{this.listenTo(e,t,(e,t)=>{this.isEnabled&&this.onDomEvent(t)},{useCapture:this.useCapture})})}fire(e,t,n){this.isEnabled&&this.document.fire(e,new Yp(this.document,t,n))}}class Zp extends Xp{constructor(e){super(e),this.domEventType=['focus','blur'],this.useCapture=!0,e.on('focus',()=>{e.isFocused=!0,this._renderTimeoutId=setTimeout(()=>e.render(),0)}),e.on('blur',(t,n)=>{const o=e.selection.editableElement;(null===o||o===n.target)&&(e.isFocused=!1,e.render())})}onDomEvent(e){this.fire(e.type,e)}destroy(){this._renderTimeoutId&&clearTimeout(this._renderTimeoutId),super.destroy()}}class eg extends Xp{constructor(e){super(e),this.domEventType=['keydown','keyup']}onDomEvent(e){this.fire(e.type,e,{keyCode:e.keyCode,altKey:e.altKey,ctrlKey:e.ctrlKey||e.metaKey,shiftKey:e.shiftKey,get keystroke(){return ee(this)}})}}class tg extends Wp{constructor(e){super(e),this._fireSelectionChangeDoneDebounced=Jp((e)=>this.document.fire('selectionChangeDone',e),200)}observe(){const e=this.document;e.on('keydown',(t,n)=>{const o=e.selection;o.isFake&&Pn(n.keyCode)&&this.isEnabled&&(n.preventDefault(),this._handleSelectionMove(n.keyCode))},{priority:'lowest'})}destroy(){super.destroy(),this._fireSelectionChangeDoneDebounced.cancel()}_handleSelectionMove(e){const t=this.document.selection,n=Fp.createFromSelection(t);n.setFake(!1),(e==uc.arrowleft||e==uc.arrowup)&&n.collapseToStart(),(e==uc.arrowright||e==uc.arrowdown)&&n.collapseToEnd();const o={oldSelection:t,newSelection:n,domSelection:null};this.document.fire('selectionChange',o),this._fireSelectionChangeDoneDebounced(o)}}var ng=function(e){return!!e&&1===e.nodeType&&da(e)&&!fa(e)};class og{constructor(e){const t=En(e);if(Object.defineProperty(this,'_source',{value:e._source||e,writable:!0,enumerable:!1}),ng(e)||t){const n=t?e.startContainer:e;n.ownerDocument&&n.ownerDocument.body.contains(n)||wa.warn('rect-source-not-in-dom: The source of this rect does not belong to any rendered DOM tree.',{source:e}),t?On(this,og.getDomRangeRects(e)[0]):On(this,e.getBoundingClientRect())}else if(Sn(e)){const{innerWidth:t,innerHeight:n}=e;On(this,{top:0,right:t,bottom:n,left:0,width:t,height:n})}else On(this,e)}clone(){return new og(this)}moveTo(e,t){return this.top=t,this.right=e+this.width,this.bottom=t+this.height,this.left=e,this}moveBy(e,t){return this.top+=t,this.right+=e,this.left+=e,this.bottom+=t,this}getIntersection(e){const t={top:ia(this.top,e.top),right:oa(this.right,e.right),bottom:oa(this.bottom,e.bottom),left:ia(this.left,e.left)};return t.width=t.right-t.left,t.height=t.bottom-t.top,0>t.width||0>t.height?null:new og(t)}getIntersectionArea(e){const t=this.getIntersection(e);return t?t.getArea():0}getArea(){return this.width*this.height}getVisible(){const e=this._source;let t=this.clone();if(!Rn(e))for(let n=e.parentNode||e.commonAncestorContainer;n&&!Rn(n);){const e=new og(n),o=t.getIntersection(e);if(o)o.getArea()<t.getArea()&&(t=o);else return null;n=n.parentNode}return t}isEqual(e){for(const t of ig)if(this[t]!==e[t])return!1;return!0}contains(e){const t=this.getIntersection(e);return!!(t&&t.isEqual(e))}excludeScrollbarsAndBorders(){const e=this._source;let t,n;if(Sn(e))t=e.innerWidth-e.document.documentElement.clientWidth,n=e.innerHeight-e.document.documentElement.clientHeight;else{const o=Vn(this._source);t=e.offsetWidth-e.clientWidth,n=e.offsetHeight-e.clientHeight,this.moveBy(o.left,o.top)}return this.width-=t,this.right-=t,this.height-=n,this.bottom-=n,this}static getDomRangeRects(e){const t=[],n=Array.from(e.getClientRects());if(n.length)for(const e of n)t.push(new og(e));else{const n=new og(e.startContainer.getBoundingClientRect());n.right=n.left,n.width=0,t.push(n)}return t}}const ig=['top','right','bottom','left','width','height'];Object.assign({},{scrollViewportToShowTarget:Fn,scrollAncestorsToShowTarget:function(e){const t=zn(e);In(t,()=>new og(e))}});class rg{constructor(){this.domRoots=new Map,this.selection=new Fp,this.domConverter=new zp,this.roots=new Map,this.set('isReadOnly',!1),this.set('isFocused',!1),this.renderer=new Lp(this.domConverter,this.selection),this.renderer.bind('isFocused').to(this),this._observers=new Map,this.addObserver($p),this.addObserver(Gp),this.addObserver(Zp),this.addObserver(eg),this.addObserver(tg),hn(this),ie(this),this.decorate('render')}addObserver(e){let t=this._observers.get(e);if(t)return t;t=new e(this),this._observers.set(e,t);for(const[n,o]of this.domRoots)t.observe(o,n);return t.enable(),t}getObserver(e){return this._observers.get(e)}createRoot(e,t='main'){const n='string'==typeof e?e:e.tagName,o=new Hp(n.toLowerCase(),t);return o.document=this,this.roots.set(t,o),o.on('change:children',(e,t)=>this.renderer.markToSync('children',t)),o.on('change:attributes',(e,t)=>this.renderer.markToSync('attributes',t)),o.on('change:text',(e,t)=>this.renderer.markToSync('text',t)),this.domConverter.isElement(e)&&this.attachDomRoot(e,t),o}attachDomRoot(e,t='main'){const n=this.getRoot(t);this.domRoots.set(t,e),this.domConverter.bindElements(e,n),this.renderer.markToSync('children',n),this.renderer.domDocuments.add(e.ownerDocument);for(const n of this._observers.values())n.observe(e,t)}getRoot(e='main'){return this.roots.get(e)}getDomRoot(e='main'){return this.domRoots.get(e)}render(){this.disableObservers(),this.renderer.render(),this.enableObservers()}focus(){if(!this.isFocused){const e=this.selection.editableElement;e?(this.domConverter.focus(e),this.render()):wa.warn('view-focus-no-selection: There is no selection in any editable to focus.')}}scrollToTheSelection(){const e=this.selection.getFirstRange();e&&Fn({target:this.domConverter.viewRangeToDom(e),viewportOffset:20})}disableObservers(){for(const e of this._observers.values())e.disable()}enableObservers(){for(const e of this._observers.values())e.enable()}destroy(){for(const e of this._observers.values())e.destroy()}}a(rg,Us);class ag{constructor(e){this.model=e,this.view=new rg,this.mapper=new nc,this.modelToView=new rc(this.model,{mapper:this.mapper,viewSelection:this.view.selection}),this.listenTo(this.model,'change',(e,t,n)=>{this.modelToView.convertChange(t,n)},{priority:'low'}),this.listenTo(this.model,'changesDone',()=>{const e=this.model.selection;this.modelToView.convertSelection(e),this.view.render()},{priority:'low'}),this.listenTo(this.model.markers,'add',(e,t)=>{this.modelToView.convertMarker('addMarker',t.name,t.getRange())}),this.listenTo(this.model.markers,'remove',(e,t)=>{this.modelToView.convertMarker('removeMarker',t.name,t.getRange())}),this.listenTo(this.view,'selectionChange',Hn(this.model,this.mapper)),this.modelToView.on('insert:$text',Se(),{priority:'lowest'}),this.modelToView.on('remove',Ie(),{priority:'low'}),this.modelToView.on('selection',Gn(),{priority:'low'}),this.modelToView.on('selection',Yn(),{priority:'low'}),this.modelToView.on('selection',Wn(),{priority:'low'}),this.modelToView.on('selection',Un(),{priority:'low'})}createRoot(e,t='main'){const n=this.view.createRoot(e,t),o=this.model.getRoot(t);return this.mapper.bindElements(o,n),n}destroy(){this.view.destroy(),this.stopListening()}}a(ag,Us);class sg extends Pp{constructor(e,t){super(t),this.element=e,this.editing=new ag(this.document),this.editing.view.bind('isReadOnly').to(this),this.keystrokes=new Rp(this),this.keystrokes.listenTo(this.editing.view),this._attachToForm()}destroy(){return Promise.resolve().then(()=>this.keystrokes.destroy()).then(()=>this.editing.destroy()).then(super.destroy())}setData(e){this.data.set(e)}getData(){return this.data.get()}updateEditorElement(){Zn(this.element,this.getData())}loadDataFromEditorElement(){this.setData(Xn(this.element))}_attachToForm(){const e=this.element;if(e&&'textarea'===e.tagName.toLowerCase()&&e.form){let t;const n=e.form,o=()=>this.updateEditorElement();qa(n.submit)&&(t=n.submit,n.submit=()=>{o(),t.apply(n)}),n.addEventListener('submit',o),this.on('destroy',()=>{n.removeEventListener('submit',o),t&&(n.submit=t)})}}static create(e,t){return new Promise((n)=>{const o=new this(e,t);n(o.initPlugins().then(()=>{o.fire('dataReady'),o.fire('ready')}).then(()=>o))})}}class lg{getHtml(e){const t=document.implementation.createHTMLDocument(''),n=t.createElement('div');return n.appendChild(e),n.innerHTML}}class dg{constructor(){this._domParser=new DOMParser,this._domConverter=new zp({blockFiller:Ip}),this._htmlWriter=new lg}toData(e){const t=this._domConverter.viewToDom(e,document);return this._htmlWriter.getHtml(t)}toView(e){const t=this._toDom(e);return this._domConverter.domToView(t)}_toDom(e){const t=this._domParser.parseFromString(e,'text/html'),n=t.createDocumentFragment(),o=t.body.childNodes;for(;0<o.length;)n.appendChild(o[0]);return n}}class cg{constructor(e){this.editor=e}destroy(){this.stopListening()}}a(cg,Us);class mg{constructor(e={}){this._items=[],this._itemMap=new Map,this._idProperty=e.idProperty||'id',this._bindToExternalToInternalMap=new WeakMap,this._bindToInternalToExternalMap=new WeakMap}get length(){return this._items.length}get first(){return this._items[0]||null}get last(){return this._items[this.length-1]||null}add(e,t){let n;const o=this._idProperty;if(o in e){if(n=e[o],'string'!=typeof n)throw new _a('collection-add-invalid-id');if(this.get(n))throw new _a('collection-add-item-already-exists')}else e[o]=n=s();if(void 0===t)t=this._items.length;else if(t>this._items.length||0>t)throw new _a('collection-add-item-invalid-index');return this._items.splice(t,0,e),this._itemMap.set(n,e),this.fire('add',e,t),this}get(e){let t;if('string'==typeof e)t=this._itemMap.get(e);else if('number'==typeof e)t=this._items[e];else throw new _a('collection-get-invalid-arg: Index or id must be given.');return t||null}getIndex(e){let t;return t='string'==typeof e?this._itemMap.get(e):e,this._items.indexOf(t)}remove(e){let t=!1,n,o,i;const r=this._idProperty;if('string'==typeof e?(o=e,i=this._itemMap.get(o),t=!i,i&&(n=this._items.indexOf(i))):'number'==typeof e?(n=e,i=this._items[n],t=!i,i&&(o=i[r])):(i=e,o=i[r],n=this._items.indexOf(i),t=-1==n||!this._itemMap.get(o)),t)throw new _a('collection-remove-404: Item not found.');this._items.splice(n,1),this._itemMap.delete(o);const a=this._bindToInternalToExternalMap.get(i);return this._bindToInternalToExternalMap.delete(i),this._bindToExternalToInternalMap.delete(a),this.fire('remove',i),i}map(e,t){return this._items.map(e,t)}find(e,t){return this._items.find(e,t)}filter(e,t){return this._items.filter(e,t)}clear(){for(this._bindToCollection&&(this.stopListening(this._bindToCollection),this._bindToCollection=null);this.length;)this.remove(0)}bindTo(e){if(this._bindToCollection)throw new _a('collection-bind-to-rebind: The collection cannot be bound more than once.');return this._bindToCollection=e,{as:(e)=>{this._setUpBindToBinding((t)=>new e(t))},using:(e)=>{'function'==typeof e?this._setUpBindToBinding((t)=>e(t)):this._setUpBindToBinding((t)=>t[e])}}}_setUpBindToBinding(e){const t=this._bindToCollection,n=(n,o,i)=>{const r=t._bindToCollection==this,a=t._bindToInternalToExternalMap.get(o);if(r&&a)this._bindToExternalToInternalMap.set(o,a),this._bindToInternalToExternalMap.set(a,o);else{const t=e(o);this._bindToExternalToInternalMap.set(o,t),this._bindToInternalToExternalMap.set(t,o),this.add(t,i)}};for(const o of t)n(null,o);this.listenTo(t,'add',n),this.listenTo(t,'remove',(e,t)=>{const n=this._bindToExternalToInternalMap.get(t);n&&this.remove(n)})}[Symbol.iterator](){return this._items[Symbol.iterator]()}}a(mg,Oa);class ug extends mg{constructor(e){super({idProperty:'viewUid'}),this.on('add',(e,t,n)=>{t.isRendered||t.render(),t.element&&this._parentElement&&this._parentElement.insertBefore(t.element,this._parentElement.children[n])}),this.on('remove',(e,t)=>{t.element&&this._parentElement&&t.element.remove()}),this.locale=e,this._parentElement=null}destroy(){this.map((e)=>e.destroy())}setParent(e){this._parentElement=e}delegate(...e){if(!e.length||!eo(e))throw new _a('ui-viewcollection-delegate-wrong-events: All event names must be strings.');return{to:(t)=>{for(const n of this)for(const o of e)n.delegate(o).to(t);this.on('add',(n,o)=>{for(const i of e)o.delegate(i).to(t)}),this.on('remove',(n,o)=>{for(const i of e)o.stopDelegating(i,t)})}}}}a(mg,Us);var pg=function(e,t){return Hd(e,!0,!0,t)};class gg{constructor(e){Object.assign(this,lo(so(e))),this._isRendered=!1,this._revertData=null}render(){const e=this._renderNode({intoFragment:!0});return this._isRendered=!0,e}apply(e){return this._revertData=vo(),this._renderNode({node:e,isApplying:!0,revertData:this._revertData}),e}revert(e){if(!this._revertData)throw new _a('ui-template-revert-not-applied: Attempting to revert a template which has not been applied yet.');this._revertTemplateFromNode(e,this._revertData)}*getViews(){function*e(t){if(t.children)for(const n of t.children)ko(n)?yield n:wo(n)&&(yield*e(n))}yield*e(this)}static bind(e,t){return{to(n,o){return new hg({eventNameOrFunction:n,attribute:n,observable:e,emitter:t,callback:o})},if(n,o,i){return new bg({observable:e,emitter:t,attribute:n,valueIfTrue:o,callback:i})}}}static extend(e,t){e._isRendered&&wa.warn('template-extend-render: Attempting to extend a template which has already been rendered.'),bo(e,lo(so(t)))}_renderNode(e){let t;if(t=e.node?this.tag&&this.text:this.tag?this.text:!this.text,t)throw new _a('ui-template-wrong-syntax: Node definition must have either "tag" or "text" when rendering a new Node.');return this.text?this._renderText(e):this._renderElement(e)}_renderElement(e){let t=e.node;return t||(t=e.node=document.createElementNS(this.ns||'http://www.w3.org/1999/xhtml',this.tag)),this._renderAttributes(e),this._renderElementChildren(e),this._setUpListeners(e),t}_renderText(e){let t=e.node;return t?e.revertData.text=t.textContent:t=e.node=document.createTextNode(''),to(this.text)?this._bindToObservable({schema:this.text,updater:io(t),data:e}):t.textContent=this.text.join(''),t}_renderAttributes(e){let t,n,o,i;if(this.attributes){const r=e.node,a=e.revertData;for(t in this.attributes)if(o=r.getAttribute(t),n=this.attributes[t],a&&(a.attributes[t]=o),i=La(n[0])&&n[0].ns?n[0].ns:null,to(n)){const s=i?n[0].value:n;a&&xo(t)&&s.unshift(o),this._bindToObservable({schema:s,updater:ro(r,t,i),data:e})}else'style'==t&&'string'!=typeof n[0]?this._renderStyleAttribute(n[0],e):(a&&o&&xo(t)&&n.unshift(o),n=n.map((e)=>e?e.value||e:e).reduce((e,t)=>e.concat(t),[]).reduce(fo,''),_o(n)||r.setAttributeNS(i,t,n))}}_renderStyleAttribute(e,t){const n=t.node;for(const o in e){const i=e[o];to(i)?this._bindToObservable({schema:[i],updater:ao(n,o),data:t}):n.style[o]=i}}_renderElementChildren(e){const t=e.node,n=e.intoFragment?document.createDocumentFragment():t,o=e.isApplying;let i=0;for(const r of this.children)if(yo(r)){if(!o){r.setParent(t);for(const e of r)n.appendChild(e.element)}}else if(ko(r))o||(!r.isRendered&&r.render(),n.appendChild(r.element));else if(dn(r))n.appendChild(r);else if(o){const t=e.revertData,o=vo();t.children.push(o),r._renderNode({node:n.childNodes[i++],isApplying:!0,revertData:o})}else n.appendChild(r.render());e.intoFragment&&t.appendChild(n)}_setUpListeners(e){if(this.eventListeners)for(const t in this.eventListeners){const n=this.eventListeners[t].map((n)=>{const[o,i]=t.split('@');return n.activateDomEventListener(o,i,e)});e.revertData&&e.revertData.bindings.push(n)}}_bindToObservable({schema:e,updater:t,data:n}){const o=n.revertData;oo(e,t,n);const i=e.filter((e)=>!_o(e)).filter((e)=>e.observable).map((o)=>o.activateAttributeListener(e,t,n));o&&o.bindings.push(i)}_revertTemplateFromNode(e,t){for(const n of t.bindings)for(const e of n)e();if(t.text)return void(e.textContent=t.text);for(const n in t.attributes){const o=t.attributes[n];null===o?e.removeAttribute(n):e.setAttribute(n,o)}for(let n=0;n<t.children.length;++n)this._revertTemplateFromNode(e.childNodes[n],t.children[n])}}a(gg,Oa);class fg{constructor(e){Object.assign(this,e)}getValue(e){const t=this.observable[this.attribute];return this.callback?this.callback(t,e):t}activateAttributeListener(e,t,n){const o=()=>oo(e,t,n);return this.emitter.listenTo(this.observable,'change:'+this.attribute,o),()=>{this.emitter.stopListening(this.observable,'change:'+this.attribute,o)}}}class hg extends fg{activateDomEventListener(e,t,n){const o=(e,n)=>{(!t||n.target.matches(t))&&('function'==typeof this.eventNameOrFunction?this.eventNameOrFunction(n):this.observable.fire(this.eventNameOrFunction,n))};return this.emitter.listenTo(n.node,e,o),()=>{this.emitter.stopListening(n.node,e,o)}}}class bg extends fg{getValue(e){const t=super.getValue(e);return!_o(t)&&(this.valueIfTrue||!0)}}class _g{constructor(e){this.element=null,this.isRendered=!1,this.locale=e,this.t=e&&e.t,this._viewCollections=new mg,this._unboundChildren=this.createCollection(),this._viewCollections.on('add',(t,n)=>{n.locale=e})}get bindTemplate(){return this._bindTemplate?this._bindTemplate:this._bindTemplate=gg.bind(this,this)}createCollection(){const e=new ug;return this._viewCollections.add(e),e}registerChildren(e){E(e)||(e=[e]);for(const t of e)this._unboundChildren.add(t)}deregisterChildren(e){E(e)||(e=[e]);for(const t of e)this._unboundChildren.remove(t)}setTemplate(e){this.template=new gg(e)}extendTemplate(e){gg.extend(this.template,e)}render(){if(this.isRendered)throw new _a('ui-view-render-already-rendered: This View has already been rendered.');this.template&&(this.element=this.template.render(),this.registerChildren(this.template.getViews())),this.isRendered=!0}destroy(){this.stopListening(),this._viewCollections.map((e)=>e.destroy())}}a(_g,Sp),a(_g,Us);const kg=function(e){return(t)=>t+e}('px'),wg=jp.document.body;class yg extends _g{constructor(e){super(e);const t=this.bindTemplate;this.set('top',0),this.set('left',0),this.set('position','arrow_nw'),this.set('isVisible',!1),this.set('withArrow',!0),this.set('className'),this.content=this.createCollection(),this.setTemplate({tag:'div',attributes:{class:['ck-balloon-panel',t.to('position',(e)=>`ck-balloon-panel_${e}`),t.if('isVisible','ck-balloon-panel_visible'),t.if('withArrow','ck-balloon-panel_with-arrow'),t.to('className')],style:{top:t.to('top',kg),left:t.to('left',kg)}},children:this.content})}show(){this.isVisible=!0}hide(){this.isVisible=!1}attachTo(e){this.show();const t=yg.defaultPositions,n=Object.assign({},{element:this.element,positions:[t.southArrowNorthWest,t.southArrowNorthEast,t.northArrowSouthWest,t.northArrowSouthEast],limiter:wg,fitInViewport:!0},e),{top:o,left:i,name:r}=Co(n);Object.assign(this,{top:o,left:i,position:r})}pin(e){this.unpin(),this._pinWhenIsVisibleCallback=()=>{this.isVisible?this._startPinning(e):this._stopPinning()},this._startPinning(e),this.listenTo(this,'change:isVisible',this._pinWhenIsVisibleCallback)}unpin(){this._pinWhenIsVisibleCallback&&(this._stopPinning(),this.stopListening(this,'change:isVisible',this._pinWhenIsVisibleCallback),this._pinWhenIsVisibleCallback=null,this.hide())}_startPinning(e){this.attachTo(e);const t=So(e.target),n=e.limiter?So(e.limiter):wg;this.listenTo(jp.document,'scroll',(o,i)=>{const r=i.target,a=t&&r.contains(t),s=n&&r.contains(n);(a||s||!t||!n)&&this.attachTo(e)},{useCapture:!0}),this.listenTo(jp.window,'resize',()=>{this.attachTo(e)})}_stopPinning(){this.stopListening(jp.document,'scroll'),this.stopListening(jp.window,'resize')}}yg.arrowHorizontalOffset=30,yg.arrowVerticalOffset=15,yg.defaultPositions={northArrowSouth:(e,t)=>({top:Vo(e,t),left:e.left+e.width/2-t.width/2,name:'arrow_s'}),northArrowSouthEast:(e,t)=>({top:Vo(e,t),left:e.left+e.width/2-t.width+yg.arrowHorizontalOffset,name:'arrow_se'}),northArrowSouthWest:(e,t)=>({top:Vo(e,t),left:e.left+e.width/2-yg.arrowHorizontalOffset,name:'arrow_sw'}),northWestArrowSouth:(e,t)=>({top:Vo(e,t),left:e.left-t.width/2,name:'arrow_s'}),northWestArrowSouthWest:(e,t)=>({top:Vo(e,t),left:e.left-yg.arrowHorizontalOffset,name:'arrow_sw'}),northWestArrowSouthEast:(e,t)=>({top:Vo(e,t),left:e.left-t.width+yg.arrowHorizontalOffset,name:'arrow_se'}),northEastArrowSouth:(e,t)=>({top:Vo(e,t),left:e.right-t.width/2,name:'arrow_s'}),northEastArrowSouthEast:(e,t)=>({top:Vo(e,t),left:e.right-t.width+yg.arrowHorizontalOffset,name:'arrow_se'}),northEastArrowSouthWest:(e,t)=>({top:Vo(e,t),left:e.right-yg.arrowHorizontalOffset,name:'arrow_sw'}),southArrowNorth:(e,t)=>({top:Oo(e,t),left:e.left+e.width/2-t.width/2,name:'arrow_n'}),southArrowNorthEast:(e,t)=>({top:Oo(e,t),left:e.left+e.width/2-t.width+yg.arrowHorizontalOffset,name:'arrow_ne'}),southArrowNorthWest:(e,t)=>({top:Oo(e,t),left:e.left+e.width/2-yg.arrowHorizontalOffset,name:'arrow_nw'}),southWestArrowNorth:(e,t)=>({top:Oo(e,t),left:e.left-t.width/2,name:'arrow_n'}),southWestArrowNorthWest:(e,t)=>({top:Oo(e,t),left:e.left-yg.arrowHorizontalOffset,name:'arrow_nw'}),southWestArrowNorthEast:(e,t)=>({top:Oo(e,t),left:e.left-t.width+yg.arrowHorizontalOffset,name:'arrow_ne'}),southEastArrowNorth:(e,t)=>({top:Oo(e,t),left:e.right-t.width/2,name:'arrow_n'}),southEastArrowNorthEast:(e,t)=>({top:Oo(e,t),left:e.right-t.width+yg.arrowHorizontalOffset,name:'arrow_ne'}),southEastArrowNorthWest:(e,t)=>({top:Oo(e,t),left:e.right-yg.arrowHorizontalOffset,name:'arrow_nw'})};class vg extends cg{static get pluginName(){return'ContextualBalloon'}init(){this.view=new yg,this.positionLimiter=()=>{const e=this.editor.editing.view,t=e.selection.editableElement;return t?e.domConverter.mapViewToDom(t.root):null},this._stack=new Map,this.editor.ui.view.body.add(this.view),this.editor.ui.focusTracker.add(this.view.element)}get visibleView(){const e=this._stack.get(this.view.content.get(0));return e?e.view:null}hasView(e){return this._stack.has(e)}add(e){if(this.hasView(e.view))throw new _a('contextualballoon-add-view-exist: Cannot add configuration of the same view twice.');this.visibleView&&this.view.content.remove(this.visibleView),this._stack.set(e.view,e),this._show(e)}remove(e){if(!this.hasView(e))throw new _a('contextualballoon-remove-view-not-exist: Cannot remove configuration of not existing view.');if(this.visibleView===e){this.view.content.remove(e),this._stack.delete(e);const t=Array.from(this._stack.values()).pop();t?this._show(t):this.view.hide()}else this._stack.delete(e)}updatePosition(e){e&&(this._stack.get(this.visibleView).position=e),this.view.pin(this._getBalloonPosition())}_show({view:e,balloonClassName:t=''}){this.view.className=t,this.view.content.add(e),this.view.pin(this._getBalloonPosition())}_getBalloonPosition(){let e=Ro(this._stack.values()).position;return e&&!e.limiter&&(e=Object.assign({},e,{limiter:this.positionLimiter})),e}}class xg{constructor(){this.set('isFocused',!1),this.focusedElement=null,this._elements=new Set,this._nextEventLoopTimeout=null}add(e){if(this._elements.has(e))throw new _a('focusTracker-add-element-already-exist');this.listenTo(e,'focus',()=>this._focus(e),{useCapture:!0}),this.listenTo(e,'blur',()=>this._blur(),{useCapture:!0}),this._elements.add(e)}remove(e){e===this.focusedElement&&this._blur(e),this._elements.has(e)&&(this.stopListening(e),this._elements.delete(e))}_focus(e){clearTimeout(this._nextEventLoopTimeout),this.focusedElement=e,this.isFocused=!0}_blur(){clearTimeout(this._nextEventLoopTimeout),this._nextEventLoopTimeout=setTimeout(()=>{this.focusedElement=null,this.isFocused=!1},0)}}a(xg,Sp),a(xg,Us);class Ag{constructor(e){if(Object.assign(this,e),e.actions&&e.keystrokeHandler)for(const t in e.actions){let n=e.actions[t];'string'==typeof n&&(n=[n]);for(const o of n)e.keystrokeHandler.set(o,(e,n)=>{this[t](),n()})}}get first(){return this.focusables.find(Fo)||null}get last(){return this.focusables.filter(Fo).slice(-1)[0]||null}get next(){return this._getFocusableItem(1)}get previous(){return this._getFocusableItem(-1)}get current(){let e=null;return null===this.focusTracker.focusedElement?null:(this.focusables.find((t,n)=>{const o=t.element===this.focusTracker.focusedElement;return o&&(e=n),o}),e)}focusFirst(){this._focus(this.first)}focusLast(){this._focus(this.last)}focusNext(){this._focus(this.next)}focusPrevious(){this._focus(this.previous)}_focus(e){e&&e.focus()}_getFocusableItem(e){const t=this.current,n=this.focusables.length;if(!n)return null;if(null===t)return this[1===e?'first':'last'];let o=(t+n+e)%n;do{const t=this.focusables.get(o);if(Fo(t))return t;o=(o+n+e)%n}while(o!==t);return null}}class Cg extends _g{constructor(e){super(e),this.setTemplate({tag:'span',attributes:{class:['ck-toolbar__separator']}})}}class Tg extends _g{constructor(e){super(e),this.items=this.createCollection(),this.focusTracker=new xg,this.keystrokes=new Op,this._focusCycler=new Ag({focusables:this.items,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:['arrowleft','arrowup'],focusNext:['arrowright','arrowdown']}}),this.setTemplate({tag:'div',attributes:{class:['ck-toolbar']},children:this.items,on:{mousedown:No(this)}})}render(){super.render();for(const e of this.items)this.focusTracker.add(e.element);this.items.on('add',(e,t)=>{this.focusTracker.add(t.element)}),this.items.on('remove',(e,t)=>{this.focusTracker.remove(t.element)}),this.keystrokes.listenTo(this.element)}focus(){this._focusCycler.focusFirst()}fillFromConfig(e,t){e.map((e)=>{'|'==e?this.items.add(new Cg):t.has(e)?this.items.add(t.create(e)):wa.warn('toolbarview-item-unavailable: The requested toolbar item is unavailable.',{name:e})})}}class Pg extends cg{static get pluginName(){return'ContextualToolbar'}static get requires(){return[vg]}init(){const e=this.editor;this.toolbarView=new Tg(e.locale),this.toolbarView.extendTemplate({attributes:{class:['ck-editor-toolbar','ck-toolbar_floating']}}),this.toolbarView.render(),this._balloon=e.plugins.get(vg),this._fireSelectionChangeDebounced=Jp(()=>this.fire('_selectionChangeDebounced'),200),this._handleSelectionChange(),this._handleFocusChange(),this.decorate('show')}afterInit(){const e=Io(this.editor.config.get('contextualToolbar')),t=this.editor.ui.componentFactory;this.toolbarView.fillFromConfig(e.items,t)}_handleFocusChange(){const e=this.editor;this.listenTo(e.ui.focusTracker,'change:isFocused',(e,t,n)=>{this._balloon.visibleView!==this.toolbarView||n||this.hide()})}_handleSelectionChange(){const e=this.editor.document.selection,t=this.editor.editing.view;this.listenTo(e,'change:range',(t,n)=>{(n.directChange||e.isCollapsed)&&this.hide(),this._fireSelectionChangeDebounced()}),this.listenTo(this,'_selectionChangeDebounced',()=>{t.isFocused&&!t.selection.isCollapsed&&this.show()})}show(){this._balloon.hasView(this.toolbarView)||Array.from(this.toolbarView.items).every((e)=>void 0!==e.isEnabled&&!e.isEnabled)||(this.listenTo(this.editor.editing.view,'render',()=>{this._balloon.updatePosition(this._getBalloonPositionData())}),this._balloon.add({view:this.toolbarView,position:this._getBalloonPositionData(),balloonClassName:'ck-toolbar-container ck-editor-toolbar-container'}))}hide(){this._balloon.hasView(this.toolbarView)&&(this.stopListening(this.editor.editing.view,'render'),this._balloon.remove(this.toolbarView))}_getBalloonPositionData(){const e=this.editor,t=e.editing.view,n=t.selection.isBackward;return{target:()=>{const e=t.selection.getFirstRange(),o=og.getDomRangeRects(t.domConverter.viewRangeToDom(e));return n?o[0]:(1<o.length&&0===o[o.length-1].width&&o.pop(),o[o.length-1])},positions:Bo(n)}}destroy(){this._fireSelectionChangeDebounced.cancel(),this.stopListening(),super.destroy()}}class Eg{constructor(e){this.editor=e,this._components=new Map}*names(){yield*this._components.keys()}add(e,t){if(this.has(e))throw new _a('componentfactory-item-exists: The item already exists in the component factory.',{name:e});this._components.set(Mo(e),t)}create(e){if(!this.has(e))throw new _a('componentfactory-item-missing: The required component is not registered in the factory.',{name:e});return this._components.get(Mo(e))(this.editor.locale)}has(e){return this._components.has(Mo(e))}}class Sg{constructor(e,t){this.editor=e,this.view=t,this.componentFactory=new Eg(e),this.focusTracker=new xg}init(){const e=this.editor,t=this.view,n=e.plugins.get('ContextualToolbar');t.render();const o=e.editing.createRoot(t.editableElement);t.editable.bind('isReadOnly').to(o),t.editable.bind('isFocused').to(this.focusTracker),t.editable.name=o.rootName,this.focusTracker.add(t.editableElement),Do({origin:e.editing.view,originFocusTracker:this.focusTracker,originKeystrokeHandler:e.keystrokes,toolbar:n.toolbarView,beforeFocus(){n.show()},afterBlur(){n.hide()}})}destroy(){this.view.destroy()}}class Vg extends _g{constructor(e){super(e),this.body=this.createCollection()}render(){super.render(),this._renderBodyCollection()}destroy(){return this._bodyCollectionContainer.remove(),super.destroy()}_renderBodyCollection(){const e=this._bodyCollectionContainer=new gg({tag:'div',attributes:{class:['ck-body','ck-rounded-corners','ck-reset_all']},children:this.body}).render();document.body.appendChild(e)}}class Og extends _g{constructor(e,t){super(e);const n=this.bindTemplate;t&&(this.element=this.editableElement=t),this.setTemplate({tag:'div',attributes:{class:[n.to('isFocused',(e)=>e?'ck-focused':'ck-blurred'),'ck-editor__editable','ck-rounded-corners'],contenteditable:n.to('isReadOnly',(e)=>!e)}}),this.set('isReadOnly',!1),this.set('isFocused',!1),this.externalElement=t}render(){super.render(),this.externalElement?this.template.apply(this.element=this.externalElement):this.editableElement=this.element}destroy(){this.externalElement&&this.template.revert(this.externalElement),super.destroy()}}class Rg extends Og{constructor(e,n){super(e,n);const o=this.bindTemplate,i=this.t;this.set('name',null);this.extendTemplate({attributes:{role:'textbox',"aria-label":o.to('name',(e)=>i('Rich Text Editor, %0',[e])),class:'ck-editor__editable_inline'}})}}class Fg extends Vg{constructor(e,t){super(e),this.editable=new Rg(e,t),this.registerChildren(this.editable)}get editableElement(){return this.editable.element}}var Ng=n(9),Ig=n.n(Ng);class Bg extends sg{constructor(e,t){super(e,t),this.config.get('plugins').push(Pg),this.config.define('contextualToolbar',this.config.get('toolbar')),this.document.createRoot(),this.data.processor=new dg,this.ui=new Sg(this,new Fg(this.locale,e))}destroy(){const e=this.getData();return this.ui.destroy(),super.destroy().then(()=>Zn(this.element,e))}static create(e,t){return new Promise((n)=>{const o=new this(e,t);n(o.initPlugins().then(()=>{o.ui.init(),o.fire('uiReady')}).then(()=>o.loadDataFromEditorElement()).then(()=>{o.fire('dataReady'),o.fire('ready')}).then(()=>o))})}}class Mg{constructor(e){this.files=Lo(e),this._native=e}get types(){return this._native.types}getData(e){return this._native.getData(e)}setData(e,t){this._native.setData(e,t)}}class Dg extends Xp{constructor(e){function t(t,n){n.preventDefault();const o=n.dropRange?[n.dropRange]:Array.from(e.selection.getRanges());e.fire('clipboardInput',{dataTransfer:n.dataTransfer,targetRanges:o})}super(e),this.domEventType=['paste','copy','cut','drop','dragover'],this.listenTo(e,'paste',t,{priority:'low'}),this.listenTo(e,'drop',t,{priority:'low'})}onDomEvent(e){const t={dataTransfer:new Mg(e.clipboardData?e.clipboardData:e.dataTransfer)};'drop'==e.type&&(t.dropRange=jo(this.document,e)),this.fire(e.type,e,t)}}const Lg=['figcaption','li'];class jg extends cg{static get pluginName(){return'Clipboard'}init(){function e(e,i){const r=i.dataTransfer,a=t.data.toView(t.data.getSelectedContent(n.selection));i.preventDefault(),o.fire('clipboardOutput',{dataTransfer:r,content:a,method:e.name})}const t=this.editor,n=t.document,o=t.editing.view;this._htmlDataProcessor=new dg,o.addObserver(Dg),this.listenTo(o,'clipboardInput',(e,n)=>{if(t.isReadOnly)return;const i=n.dataTransfer;let r='';i.getData('text/html')?r=qo(i.getData('text/html')):i.getData('text/plain')&&(r=zo(i.getData('text/plain'))),r=this._htmlDataProcessor.toView(r),this.fire('inputTransformation',{content:r}),o.scrollToTheSelection()},{priority:'low'}),this.listenTo(this,'inputTransformation',(e,t)=>{if(!t.content.isEmpty){const e=this.editor.data,o=e.toModel(t.content,'$clipboardHolder');if(0==o.childCount)return;n.enqueueChanges(()=>{e.insertContent(o,n.selection)})}},{priority:'low'}),this.listenTo(o,'copy',e,{priority:'low'}),this.listenTo(o,'cut',(n,o)=>{t.isReadOnly?o.preventDefault():e(n,o)},{priority:'low'}),this.listenTo(o,'clipboardOutput',(e,o)=>{o.content.isEmpty||(o.dataTransfer.setData('text/html',this._htmlDataProcessor.toData(o.content)),o.dataTransfer.setData('text/plain',Ho(o.content))),'cut'==o.method&&n.enqueueChanges(()=>{t.data.deleteContent(n.selection,n.batch())})},{priority:'low'})}}class zg{constructor(e){function t(){this.isEnabled=!1}this.editor=e,this.set('value',void 0),this.set('isEnabled',!1),this.decorate('execute'),this.listenTo(this.editor.document,'changesDone',()=>{this.refresh()}),this.on('execute',(e)=>{this.isEnabled||e.stop()},{priority:'high'}),this.listenTo(e,'change:isReadOnly',(e,n,o)=>{o?(this.on('change:isEnabled',t,{priority:'lowest'}),this.isEnabled=!1):(this.off('change:isEnabled',t),this.refresh())})}refresh(){this.isEnabled=!0}execute(){}destroy(){this.stopListening()}}a(zg,Us);class qg extends zg{execute(){const e=this.editor.document,t=e.batch();e.enqueueChanges(()=>{Wo(this.editor.data,t,e.selection,e.schema),this.fire('afterExecute',{batch:t})})}}class Hg extends Wp{constructor(e){super(e),e.on('keydown',(t,n)=>{this.isEnabled&&n.keyCode==uc.enter&&e.fire('enter',new Yp(e,n.domEvent))})}observe(){}}class Wg extends cg{static get pluginName(){return'Enter'}init(){const e=this.editor,t=e.editing.view;t.addObserver(Hg),e.commands.add('enter',new qg(e)),this.listenTo(t,'enter',(n,o)=>{e.execute('enter'),o.preventDefault(),t.scrollToTheSelection()},{priority:'low'})}}class Ug{constructor(e,t=20){this.document=e,this.size=0,this.limit=t,this.isLocked=!1,this._changeCallback=(e,t,n,o)=>{this._onBatch(o)},this._selectionChangeCallback=()=>{this._reset()},e.on('change',this._changeCallback),e.selection.on('change:range',this._selectionChangeCallback),e.selection.on('change:attribute',this._selectionChangeCallback)}get batch(){return this._batch||(this._batch=this.document.batch()),this._batch}input(e){this.size+=e,this.size>=this.limit&&this._reset(!0)}lock(){this.isLocked=!0}unlock(){this.isLocked=!1}destroy(){this.document.off('change',this._changeCallback),this.document.selection.off('change:range',this._selectionChangeCallback),this.document.selection.off('change:attribute',this._selectionChangeCallback)}_onBatch(e){'transparent'!=e.type&&e!==this._batch&&1>=mn(e.getOperations())&&this._reset(!0)}_reset(e){(!this.isLocked||e)&&(this._batch=null,this.size=0)}}class $g extends zg{constructor(e,t){super(e),this._buffer=new Ug(e.document,t)}get buffer(){return this._buffer}destroy(){super.destroy(),this._buffer.destroy()}execute(e={}){const t=this.editor.document,n=e.text||'',o=n.length,i=e.range||t.selection.getFirstRange(),r=e.resultRange;t.enqueueChanges(()=>{const e=i.isCollapsed;this._buffer.lock(),e||this._buffer.batch.remove(i),n&&this._buffer.batch.weakInsert(i.start,n),r?this.editor.data.model.selection.setRanges([r]):e&&this.editor.data.model.selection.setCollapsedAt(i.start.getShiftedBy(o)),this._buffer.unlock(),this._buffer.input(o)})}}class Kg extends cg{static get pluginName(){return'Input'}init(){const e=this.editor,t=e.editing.view,n=new $g(e,e.config.get('typing.undoStep')||20);e.commands.add('input',n),this.listenTo(t,'keydown',(e,t)=>{this._handleKeydown(t,n)},{priority:'lowest'}),this.listenTo(t,'mutations',(e,t,n)=>{this._handleMutations(t,n)})}_handleKeydown(e,t){const n=this.editor.document,o=t.buffer;!t.isEnabled||Ko(e)||n.selection.isCollapsed||(o.lock(),n.enqueueChanges(()=>{this.editor.data.deleteContent(n.selection,o.batch)}),o.unlock())}_handleMutations(e,t){new Qg(this.editor).handle(e,t)}}class Qg{constructor(e){this.editor=e,this.editing=this.editor.editing}handle(e,t){if(Yo(e))this._handleContainerChildrenMutations(e,t);else for(const n of e)this._handleTextMutation(n,t),this._handleTextNodeInsertion(n)}_handleContainerChildrenMutations(e,t){const n=Go(e);if(!n)return;const o=this.editor.editing.view.domConverter,i=o.mapViewToDom(n);if(!i)return;const r=new zp,a=this.editor.data.toModel(r.domToView(i)).getChild(0),s=this.editor.editing.mapper.toModelElement(n),l=Array.from(a.getChildren()),d=Array.from(s.getChildren());if(!Xo(l)||!Xo(d))return;const c=l.map((e)=>e.data).join('').replace(/\u00A0/g,' '),m=d.map((e)=>e.data).join('');if(m===c)return;const u=_n(m,c),{firstChangeAt:p,insertions:g,deletions:f}=Zo(u);let h=null;t&&(h=this.editing.mapper.toModelRange(t.getFirstRange()));const b=c.substr(p,g),_=el.createFromParentsAndOffsets(s,p,s,p+f);this.editor.execute('input',{text:b,range:_,resultRange:h})}_handleTextMutation(e,t){if('text'!=e.type)return;const n=e.newText.replace(/\u00A0/g,' '),o=e.oldText.replace(/\u00A0/g,' '),i=_n(o,n),{firstChangeAt:r,insertions:a,deletions:s}=Zo(i);let l=null;t&&(l=this.editing.mapper.toModelRange(t.getFirstRange()));const d=new ec(e.node,r),c=this.editing.mapper.toModelPosition(d),m=el.createFromPositionAndShift(c,s),u=n.substr(r,a);this.editor.execute('input',{text:u,range:m,resultRange:l})}_handleTextNodeInsertion(e){if('children'==e.type){const t=Jo(e),n=new ec(e.node,t.index),o=this.editing.mapper.toModelPosition(n),i=t.values[0].data;this.editor.execute('input',{text:i.replace(/\u00A0/g,' '),range:new el(o)})}}}const Jg=[ee('arrowUp'),ee('arrowRight'),ee('arrowDown'),ee('arrowLeft'),9,16,17,18,20,27,33,34,35,36,229];for(let o=112;135>=o;o++)Jg.push(o);class Gg extends zg{constructor(e,t){super(e),this.direction=t,this._buffer=new Ug(e.document,e.config.get('typing.undoStep'))}execute(e={}){const t=this.editor.document,n=this.editor.data;t.enqueueChanges(()=>{this._buffer.lock();const o=bp.createFromSelection(t.selection),i=o.isCollapsed;if(o.isCollapsed&&n.modifySelection(o,{direction:this.direction,unit:e.unit}),this._shouldEntireContentBeReplacedWithParagraph(e.sequence||1))return void this._replaceEntireContentWithParagraph();if(o.isCollapsed)return;let r=0;o.getFirstRange().getMinimalFlatRanges().forEach((e)=>{r+=mn(e.getWalker({singleCharacters:!0,ignoreElementEnd:!0,shallow:!0}))}),n.deleteContent(o,this._buffer.batch,{doNotResetEntireContent:i}),this._buffer.input(r),t.selection.setRanges(o.getRanges(),o.isBackward),this._buffer.unlock()})}_shouldEntireContentBeReplacedWithParagraph(e){if(1<e)return!1;const t=this.editor.document,n=t.selection,o=t.schema.getLimitElement(n),i=n.isCollapsed&&n.containsEntireContent(o);if(!i)return!1;if(!t.schema.check({name:'paragraph',inside:o.name}))return!1;const r=o.getChild(0);return r&&'paragraph'===r.name?!1:!0}_replaceEntireContentWithParagraph(){const e=this.editor.document,t=e.selection,n=e.schema.getLimitElement(t),o=new Gs('paragraph');this._buffer.batch.remove(el.createIn(n)),this._buffer.batch.insert(Zs.createAt(n),o),t.setCollapsedAt(o)}}class Yg extends Wp{constructor(e){super(e);let t=0;e.on('keyup',(e,n)=>{(n.keyCode==uc.delete||n.keyCode==uc.backspace)&&(t=0)}),e.on('keydown',(n,o)=>{const i={};if(o.keyCode==uc.delete)i.direction='forward',i.unit='character';else if(o.keyCode==uc.backspace)i.direction='backward',i.unit='codePoint';else return;i.unit=o.altKey?'word':i.unit,i.sequence=++t,e.fire('delete',new Yp(e,o.domEvent,i))})}observe(){}}class Xg extends cg{static get pluginName(){return'Delete'}init(){const e=this.editor,t=e.editing.view;t.addObserver(Yg),e.commands.add('forwardDelete',new Gg(e,'forward')),e.commands.add('delete',new Gg(e,'backward')),this.listenTo(t,'delete',(n,o)=>{e.execute('forward'==o.direction?'forwardDelete':'delete',{unit:o.unit,sequence:o.sequence}),o.preventDefault(),t.scrollToTheSelection()})}}class Zg extends cg{static get requires(){return[Kg,Xg]}static get pluginName(){return'Typing'}}class ef extends zg{constructor(e){super(e),this._stack=[],this._createdBatches=new WeakSet,this.refresh()}refresh(){this.isEnabled=0<this._stack.length}addBatch(e){const t=this.editor.document.selection,n={ranges:t.hasOwnRange?Array.from(t.getRanges()):[],isBackward:t.isBackward};this._stack.push({batch:e,selection:n}),this.refresh()}clearStack(){this._stack=[],this.refresh()}_restoreSelection(e,t,n){const o=this.editor.document,i=[];for(const r of e){const e=ei(r,n),t=e.find((e)=>e.start.root!=o.graveyard);t&&i.push(t)}i.length&&o.selection.setRanges(i,t)}_undo(e){const t=this.editor.document,n=t.batch();this._createdBatches.add(n);const o=e.deltas.slice();o.reverse();for(const i of o){const e=i.baseVersion+i.operations.length,o=Array.from(t.history.getDeltas(e)),r=t.transformDeltas([i.getReversed()],o,!0),a=r.deltasA;for(const e of a){e.baseVersion=t.version,n.addDelta(e);for(const n of e.operations)t.applyOperation(n);t.history.setDeltaAsUndone(i,e)}}return n}}class tf extends ef{execute(e=null){const t=e?this._stack.findIndex((t)=>t.batch==e):this._stack.length-1,n=this._stack.splice(t,1)[0];this.editor.document.enqueueChanges(()=>{const e=this._undo(n.batch),t=this.editor.document.history.getDeltas(n.batch.baseVersion);this._restoreSelection(n.selection.ranges,n.selection.isBackward,t),this.fire('revert',n.batch,e)}),this.refresh()}}class nf extends ef{execute(){const e=this._stack.pop();this.editor.document.enqueueChanges(()=>{const t=e.batch.deltas[e.batch.deltas.length-1],n=t.baseVersion+t.operations.length,o=this.editor.document.history.getDeltas(n);this._restoreSelection(e.selection.ranges,e.selection.isBackward,o),this._undo(e.batch)}),this.refresh()}}class of extends cg{constructor(e){super(e),this._batchRegistry=new WeakSet}init(){this._undoCommand=new tf(this.editor),this._redoCommand=new nf(this.editor),this.editor.commands.add('undo',this._undoCommand),this.editor.commands.add('redo',this._redoCommand),this.listenTo(this.editor.document,'change',(e,t,n,o)=>{this._batchRegistry.has(o)||'transparent'==o.type||(this._redoCommand._createdBatches.has(o)?this._undoCommand.addBatch(o):!this._undoCommand._createdBatches.has(o)&&(this._undoCommand.addBatch(o),this._redoCommand.clearStack()),this._batchRegistry.add(o))},{priority:'highest'}),this.listenTo(this._undoCommand,'revert',(e,t,n)=>{this._redoCommand.addBatch(n)})}}class rf extends _g{constructor(){super();const e=this.bindTemplate;this.set('content',''),this.set('viewBox','0 0 20 20'),this.setTemplate({tag:'svg',ns:'http://www.w3.org/2000/svg',attributes:{class:'ck-icon',viewBox:e.to('viewBox')}})}render(){super.render(),this._updateXMLContent(),this.on('change:content',()=>this._updateXMLContent())}_updateXMLContent(){if(this.content){const e=new DOMParser().parseFromString(this.content.trim(),'image/svg+xml').firstChild;for(this.element.innerHTML='';0<e.childNodes.length;)this.element.appendChild(e.childNodes[0])}}}class af extends _g{constructor(e){super(e),this.set('text',''),this.set('position','s');const t=this.bindTemplate;this.setTemplate({tag:'span',attributes:{class:['ck-tooltip',t.to('position',(e)=>'ck-tooltip_'+e),t.if('text','ck-hidden',(e)=>!e.trim())]},children:[{tag:'span',attributes:{class:['ck-tooltip__text']},children:[{text:t.to('text')}]}]})}}class sf extends _g{constructor(e){super(e);const t=this.bindTemplate;this.set('label'),this.set('keystroke'),this.set('tooltip'),this.set('tooltipPosition','s'),this.set('type','button'),this.set('isOn',!1),this.set('isEnabled',!0),this.set('isVisible',!0),this.set('withText',!1),this.set('icon'),this.set('tabindex',-1),this.children=this.createCollection(),this.tooltipView=this._createTooltipView(),this.labelView=this._createLabelView(),this.bind('_tooltipString').to(this,'tooltip',this,'label',this,'keystroke',this._getTooltipString.bind(this)),this.setTemplate({tag:'button',attributes:{class:['ck-button',t.to('isEnabled',(e)=>e?'ck-enabled':'ck-disabled'),t.if('isVisible','ck-hidden',(e)=>!e),t.to('isOn',(e)=>e?'ck-on':'ck-off'),t.if('withText','ck-button_with-text')],type:t.to('type',(e)=>e?e:'button'),tabindex:t.to('tabindex')},children:this.children,on:{mousedown:t.to((e)=>{e.preventDefault()}),click:t.to((e)=>{this.isEnabled?this.fire('execute'):e.preventDefault()})}})}render(){if(super.render(),this.icon){const e=this.iconView=new rf;e.bind('content').to(this,'icon'),this.children.add(e)}this.children.add(this.tooltipView),this.children.add(this.labelView)}focus(){this.element.focus()}_createTooltipView(){const e=new af;return e.bind('text').to(this,'_tooltipString'),e.bind('position').to(this,'tooltipPosition'),e}_createLabelView(){const e=new _g;return e.setTemplate({tag:'span',attributes:{class:['ck-button__label']},children:[{text:this.bindTemplate.to('label')}]}),e}_getTooltipString(e,t,n){return e?'string'==typeof e?e:(n&&(n=ne(n)),e instanceof Function?e(t,n):`${t}${n?` (${n})`:''}`):''}}var lf=n(12),df=n.n(lf),cf=n(13),mf=n.n(cf);class uf extends cg{static get requires(){return[of]}static get pluginName(){return'Undo'}init(){const e=this.editor,n=e.t;this._addButton('undo',n('Undo'),'CTRL+Z',df.a),this._addButton('redo',n('Redo'),'CTRL+Y',mf.a),e.keystrokes.set('CTRL+Z','undo'),e.keystrokes.set('CTRL+Y','redo'),e.keystrokes.set('CTRL+SHIFT+Z','redo')}_addButton(e,t,n,o){const i=this.editor,r=i.commands.get(e);i.ui.componentFactory.add(e,(a)=>{const s=new sf(a);return s.set({label:t,icon:o,keystroke:n,tooltip:!0}),s.bind('isEnabled').to(r,'isEnabled'),this.listenTo(s,'execute',()=>i.execute(e)),s})}}class pf extends cg{static get requires(){return[jg,Wg,Zg,uf]}}class gf{constructor(){const e=new window.FileReader;this._reader=e,this.set('loaded',0),e.onprogress=(e)=>{this.loaded=e.loaded}}get error(){return this._reader.error}read(e){const t=this._reader;return this.total=e.size,new Promise((n,o)=>{t.onload=()=>{n(t.result)},t.onerror=()=>{o('error')},t.onabort=()=>{o('aborted')},this._reader.readAsDataURL(e)})}abort(){this._reader.abort()}}a(gf,Us);class ff extends cg{static get pluginName(){return'FileRepository'}init(){this.loaders=new mg,this.set('uploaded',0),this.set('uploadTotal',null),this.bind('uploadedPercent').to(this,'uploaded',this,'uploadTotal',(e,t)=>t?100*(e/t):0)}getLoader(e){for(const t of this.loaders)if(t.file==e)return t;return null}createLoader(e){if(!this.createAdapter)return wa.error('filerepository-no-adapter: Upload adapter is not defined.'),null;const t=new hf(e);return t._adapter=this.createAdapter(t),this.loaders.add(t),t.on('change:uploaded',()=>{let e=0;for(const t of this.loaders)e+=t.uploaded;this.uploaded=e}),t.on('change:uploadTotal',()=>{let e=0;for(const t of this.loaders)t.uploadTotal&&(e+=t.uploadTotal);this.uploadTotal=e}),t}destroyLoader(e){const t=e instanceof hf?e:this.getLoader(e);t._destroy(),this.loaders.remove(t)}}a(ff,Us);class hf{constructor(e,t){this.id=s(),this.file=e,this._adapter=t,this._reader=new gf,this.set('status','idle'),this.set('uploaded',0),this.set('uploadTotal',null),this.bind('uploadedPercent').to(this,'uploaded',this,'uploadTotal',(e,t)=>t?100*(e/t):0),this.set('uploadResponse',null)}read(){if('idle'!=this.status)throw new _a('filerepository-read-wrong-status: You cannot call read if the status is different than idle.');return this.status='reading',this._reader.read(this.file).then((e)=>(this.status='idle',e)).catch((e)=>{if('aborted'===e)throw this.status='aborted','aborted';throw this.status='error',this._reader.error})}upload(){if('idle'!=this.status)throw new _a('filerepository-upload-wrong-status: You cannot call upload if the status is different than idle.');return this.status='uploading',this._adapter.upload().then((e)=>(this.uploadResponse=e,this.status='idle',e)).catch((e)=>{if('aborted'===this.status)throw'aborted';throw this.status='error',e})}abort(){const e=this.status;this.status='aborted','reading'==e&&this._reader.abort(),'uploading'==e&&this._adapter.abort&&this._adapter.abort(),this._destroy()}_destroy(){this._reader=void 0,this._adapter=void 0,this.data=void 0,this.uploadResponse=void 0,this.file=void 0}}a(hf,Us);const bf='ckCsrfToken',_f=40,kf='abcdefghijklmnopqrstuvwxyz0123456789';class wf extends cg{static get requires(){return[ff]}static get pluginName(){return'CKFinderUploadAdapter'}init(){const e=this.editor.config.get('ckfinder.uploadUrl');e&&(this.editor.plugins.get(ff).createAdapter=(t)=>new yf(t,e,this.editor.t))}}class yf{constructor(e,n,o){this.loader=e,this.url=n,this.t=o}upload(){return new Promise((e,t)=>{this._initRequest(),this._initListeners(e,t),this._sendRequest()})}abort(){this.xhr&&this.xhr.abort()}_initRequest(){const e=this.xhr=new XMLHttpRequest;e.open('POST',this.url,!0),e.responseType='json'}_initListeners(e,n){const o=this.xhr,i=this.loader,r=this.t,t=r('Cannot upload file:')+` ${i.file.name}.`;o.addEventListener('error',()=>n(t)),o.addEventListener('abort',()=>n()),o.addEventListener('load',()=>{const i=o.response;return i&&i.uploaded?void e({default:i.url}):n(i&&i.error&&i.error.message?i.error.message:t)}),o.upload&&o.upload.addEventListener('progress',(e)=>{e.lengthComputable&&(i.uploadTotal=e.total,i.uploaded=e.loaded)})}_sendRequest(){const e=new FormData;e.append('upload',this.loader.file),e.append('ckCsrfToken',ni()),this.xhr.send(e)}}class vf{constructor(e,t,n){let o;if('function'==typeof n)o=n;else{o=(t)=>{const{batch:o}=t;e.execute(n,{batch:o})}}e.document.on('change',(n,i,r,a)=>{if('transparent'==a.type)return;if('insert'!=i)return;const s=r.range.getItems().next().value;if(!(s instanceof Qs))return;const l=s.textNode,d=l.data;if('paragraph'!==l.parent.name||!d)return;const c=t.exec(d);c&&e.document.enqueueChanges(()=>{const t=e.document.batch(),n=el.createFromParentsAndOffsets(l.parent,0,l.parent,c[0].length);t.remove(n),o({fixBatch:t,match:c})})})}}class xf{constructor(e,t,n){let o,i,r,a;t instanceof RegExp?o=t:r=t,'string'==typeof n?i=n:a=n,r=r||((e)=>{let t;const n=[],i=[];for(;null!==(t=o.exec(e))&&!(t&&4>t.length);){let{index:e,1:o,2:r,3:a}=t;e+=t[0].length-(o+r+a).length;const s=[e,e+o.length],l=[e+o.length+r.length,e+o.length+r.length+a.length];n.push(s),n.push(l),i.push([e+o.length,e+o.length+r.length])}return{remove:n,format:i}}),a=a||((e,t)=>{for(const n of t)e.setAttribute(n,i,!0)}),e.document.on('change',(t,n,o,s)=>{if('transparent'==s.type)return;if('insert'!==n)return;const l=e.document.selection;if(!l.isCollapsed||!l.focus||!l.focus.parent)return;const d=l.focus.parent,c=ai(d).slice(0,l.focus.offset),m=r(c),u=[];m.format.forEach((e)=>{void 0===e[0]||void 0===e[1]||u.push(hp.createFromParentsAndOffsets(d,e[0],d,e[1]))});const p=[];m.remove.slice().reverse().forEach((e)=>{void 0===e[0]||void 0===e[1]||p.push(hp.createFromParentsAndOffsets(d,e[0],d,e[1]))});u.length&&p.length&&e.document.enqueueChanges(()=>{const t=e.document.batch(),n=e.document.schema.getValidRanges(u,i);a(t,n),u.forEach((e)=>e.detach());for(const e of p)t.remove(e),e.detach()})})}}class Af extends cg{static get pluginName(){return'Autoformat'}afterInit(){this._addListAutoformats(),this._addBasicStylesAutoformats(),this._addHeadingAutoformats(),this._addBlockQuoteAutoformats()}_addListAutoformats(){const e=this.editor.commands;e.get('bulletedList')&&new vf(this.editor,/^[*-]\s$/,'bulletedList'),e.get('numberedList')&&new vf(this.editor,/^\d+[.|)]?\s$/,'numberedList')}_addBasicStylesAutoformats(){const e=this.editor.commands;e.get('bold')&&(new xf(this.editor,/(\*\*)([^*]+)(\*\*)$/g,'bold'),new xf(this.editor,/(__)([^_]+)(__)$/g,'bold')),e.get('italic')&&(new xf(this.editor,/(?:^|[^*])(\*)([^*_]+)(\*)$/g,'italic'),new xf(this.editor,/(?:^|[^_])(_)([^_]+)(_)$/g,'italic')),e.get('code')&&new xf(this.editor,/(`)([^`]+)(`)$/g,'code')}_addHeadingAutoformats(){Array.from(this.editor.commands.names()).filter((e)=>e.match(/^heading[1-6]$/)).forEach((e)=>{const t=e[7],n=new RegExp(`^(#{${t}})\\s$`);new vf(this.editor,n,(t)=>{const{batch:n}=t;this.editor.execute(e,{batch:n})})})}_addBlockQuoteAutoformats(){this.editor.commands.get('blockQuote')&&new vf(this.editor,/^>\s$/,'blockQuote')}}class Cf{constructor(){this._dispatchers=[],this._from=null}for(...e){return this._dispatchers=e,this}fromElement(e){return this._from={type:'element',name:e,priority:null},this}fromAttribute(e){return this._from={type:'attribute',key:e,priority:null},this}fromMarker(e){return this._from={type:'marker',name:e,priority:null},this}withPriority(e){return this._from.priority=e,this}toElement(e){const t=null===this._from.priority?'normal':this._from.priority;for(const n of this._dispatchers)if('element'==this._from.type)e='string'==typeof e?new Yd(e):e,n.on('insert:'+this._from.name,Ee(e),{priority:t});else if('attribute'==this._from.type)e='string'==typeof e?new sc(e):e,n.on('addAttribute:'+this._from.key,Fe(e),{priority:t}),n.on('changeAttribute:'+this._from.key,Fe(e),{priority:t}),n.on('removeAttribute:'+this._from.key,Ne(e),{priority:t}),n.on('selectionAttribute:'+this._from.key,$n(e),{priority:t});else{const t=null===this._from.priority?'normal':this._from.priority;e='string'==typeof e?new pc(e):e,n.on('addMarker:'+this._from.name,Ve(e),{priority:t}),n.on('removeMarker:'+this._from.name,De(e),{priority:t})}}toHighlight(e){const t=null===this._from.priority?'normal':this._from.priority;if('marker'!=this._from.type)throw new _a('build-model-converter-non-marker-to-highlight: Conversion to a highlight is supported only from model markers.');for(const n of this._dispatchers)n.on('addMarker:'+this._from.name,Be(e),{priority:t}),n.on('addMarker:'+this._from.name,Me(e),{priority:t}),n.on('removeMarker:'+this._from.name,Be(e),{priority:t}),n.on('removeMarker:'+this._from.name,Me(e),{priority:t}),n.on('selectionMarker:'+this._from.name,Kn(e),{priority:t})}toAttribute(e,t){if('attribute'!=this._from.type)throw new _a('build-model-converter-non-attribute-to-attribute: To-attribute conversion is supported only from model attributes.');let n=e?'string'==typeof e?t?function(){return{key:e,value:t}}:function(t){return{key:e,value:t}}:e:void 0;for(const o of this._dispatchers){const e={priority:this._from.priority||'normal'};o.on('addAttribute:'+this._from.key,Oe(n),e),o.on('changeAttribute:'+this._from.key,Oe(n),e),o.on('removeAttribute:'+this._from.key,Re(n),e)}}}class Tf{constructor(){this._dispatchers=[],this._from=[]}for(...e){return this._dispatchers=e,this}fromElement(e){return this.from({name:e})}fromAttribute(e,t=/.*/){const n={};'style'===e||'class'===e?n[e]=t:(n.attribute={},n.attribute[e]=t);const o=new Kd(n);return this._from.push({matcher:o,consume:!1,priority:null,attributeKey:e}),this}from(e){return e instanceof Kd||(e=new Kd(e)),this._from.push({matcher:e,consume:!1,priority:null}),this}consuming(e){const t=this._from[this._from.length-1];return t.consume=e,this}withPriority(e){const t=this._from[this._from.length-1];return t.priority=e,this}toElement(e){this._setCallback(function(t){return(n,o,i,r)=>{const a=t.matcher.matchAll(o.input);if(a)for(const n of a){const a=e instanceof Function?e(o.input):new Gs(e);if(!a)continue;const s=Array.from(a.getAttributeKeys());if(!r.schema.check({name:a.name,attributes:s,inside:o.context}))continue;if(!i.consume(o.input,t.consume||n.match))continue;o.context.push(a);const l=r.convertChildren(o.input,i,o),d=Zs.createAt(a,'end');wc.insert(d,l),o.context.pop(),o.output=a;break}}},'normal')}toAttribute(e,t){this._setCallback(function(n){return(o,i,r,a)=>{const s=n.matcher.matchAll(i.input);if(s)for(const o of s){if(!r.consume(i.input,n.consume||o.match))continue;i.output||(i.output=a.convertChildren(i.input,r,i));let s;if(!(e instanceof Function))s={key:e,value:t?t:i.input.getAttribute(n.attributeKey)};else if(s=e(i.input),!s)return;li(i.output,s,i,a);break}}},'low')}toMarker(e){this._setCallback(function(t){return(n,o,i)=>{const r=t.matcher.matchAll(o.input);if(!r)return;let a;if(a=e instanceof Function?e(o.input):new Gs('$marker',{"data-name":o.input.getAttribute('data-name')}),'$marker'!=a.name||'string'!=typeof a.getAttribute('data-name'))throw new _a('build-view-converter-invalid-marker: Invalid model element to mark marker range.');for(const e of r)if(i.consume(o.input,t.consume||e.match)){o.output=a;break}}},'normal')}_setCallback(e,t){for(const n of this._from){const o=n.matcher.getElementName(),i=o?'element:'+o:'element',r=e(n),a=null===n.priority?t:n.priority;for(const e of this._dispatchers)e.on(i,r,{priority:a})}}}class Pf extends zg{constructor(e,t){super(e),this.attributeKey=t}refresh(){const e=this.editor.document;this.value=e.selection.hasAttribute(this.attributeKey),this.isEnabled=e.schema.checkAttributeInSelection(e.selection,this.attributeKey)}execute(e={}){const t=this.editor.document,n=t.selection,o=e.forceValue===void 0?!this.value:e.forceValue;t.enqueueChanges(()=>{if(n.isCollapsed)o?n.setAttribute(this.attributeKey,!0):n.removeAttribute(this.attributeKey);else{const i=t.schema.getValidRanges(n.getRanges(),this.attributeKey),r=e.batch||t.batch();for(const e of i)o?r.setAttribute(e,this.attributeKey,o):r.removeAttribute(e,this.attributeKey)}})}}const Ef='bold';class Sf extends cg{init(){const e=this.editor,t=e.data,n=e.editing;e.document.schema.allow({name:'$inline',attributes:Ef,inside:'$block'}),e.document.schema.allow({name:'$inline',attributes:Ef,inside:'$clipboardHolder'}),si().for(t.modelToView,n.modelToView).fromAttribute(Ef).toElement('strong'),di().for(t.viewToModel).fromElement('strong').fromElement('b').fromAttribute('style',{"font-weight":'bold'}).toAttribute(Ef,!0),e.commands.add(Ef,new Pf(e,Ef))}}var Vf=n(14),Of=n.n(Vf);class Rf extends cg{static get requires(){return[Sf]}static get pluginName(){return'Bold'}init(){const e=this.editor,n=e.t,t=e.commands.get('bold'),o='CTRL+B';e.ui.componentFactory.add('bold',(i)=>{const r=new sf(i);return r.set({label:n('Bold'),icon:Of.a,keystroke:o,tooltip:!0}),r.bind('isOn','isEnabled').to(t,'value','isEnabled'),this.listenTo(r,'execute',()=>e.execute('bold')),r}),e.keystrokes.set(o,'bold')}}const Ff='italic';class Nf extends cg{init(){const e=this.editor,t=e.data,n=e.editing;e.document.schema.allow({name:'$inline',attributes:Ff,inside:'$block'}),e.document.schema.allow({name:'$inline',attributes:Ff,inside:'$clipboardHolder'}),si().for(t.modelToView,n.modelToView).fromAttribute(Ff).toElement('i'),di().for(t.viewToModel).fromElement('em').fromElement('i').fromAttribute('style',{"font-style":'italic'}).toAttribute(Ff,!0),e.commands.add(Ff,new Pf(e,Ff))}}var If=n(15),Bf=n.n(If);class Mf extends cg{static get requires(){return[Nf]}static get pluginName(){return'Italic'}init(){const e=this.editor,n=e.t,t=e.commands.get('italic'),o='CTRL+I';e.ui.componentFactory.add('italic',(i)=>{const r=new sf(i);return r.set({label:n('Italic'),icon:Bf.a,keystroke:o,tooltip:!0}),r.bind('isOn','isEnabled').to(t,'value','isEnabled'),this.listenTo(r,'execute',()=>e.execute('italic')),r}),e.keystrokes.set(o,'italic')}}class Df extends zg{refresh(){this.value=this._getValue(),this.isEnabled=this._checkEnabled()}execute(e={}){const t=this.editor.document,n=t.schema,o=e.batch||t.batch(),i=Array.from(t.selection.getSelectedBlocks());t.enqueueChanges(()=>{if(this.value)this._removeQuote(o,i.filter(ci));else{const e=i.filter((e)=>ci(e)||ui(n,e));this._applyQuote(o,e)}})}_getValue(){const e=Ro(this.editor.document.selection.getSelectedBlocks());return!!(e&&ci(e))}_checkEnabled(){if(this.value)return!0;const e=this.editor.document.selection,t=this.editor.document.schema,n=Ro(e.getSelectedBlocks());return!!n&&ui(t,n)}_removeQuote(e,t){mi(t).reverse().forEach((t)=>{if(t.start.isAtStart&&t.end.isAtEnd)return void e.unwrap(t.start.parent);if(t.start.isAtStart){const n=Zs.createBefore(t.start.parent);return void e.move(t,n)}t.end.isAtEnd||e.split(t.end);const n=Zs.createAfter(t.end.parent);e.move(t,n)})}_applyQuote(e,t){const n=[];mi(t).reverse().forEach((t)=>{let o=ci(t.start);o||(o=new Gs('blockQuote'),e.wrap(t,o)),n.push(o)}),n.reverse().reduce((t,n)=>t.nextSibling==n?(e.merge(Zs.createAfter(t)),t):n)}}class Lf extends cg{init(){const e=this.editor,t=e.document.schema;e.commands.add('blockQuote',new Df(e)),t.registerItem('blockQuote'),t.allow({name:'blockQuote',inside:'$root'}),t.allow({name:'$block',inside:'blockQuote'}),di().for(e.data.viewToModel).fromElement('blockquote').toElement('blockQuote'),si().for(e.data.modelToView,e.editing.modelToView).fromElement('blockQuote').toElement('blockquote')}afterInit(){const e=this.editor.document.schema;e.hasItem('listItem')&&e.allow({name:'listItem',inside:'blockQuote',attributes:['type','indent']})}}var jf=n(16),zf=n.n(jf),qf=n(17),Hf=n.n(qf);class Wf extends cg{static get requires(){return[Lf]}static get pluginName(){return'BlockQuote'}init(){const e=this.editor,n=e.t,t=e.commands.get('blockQuote');e.ui.componentFactory.add('blockQuote',(o)=>{const i=new sf(o);return i.set({label:n('Block quote'),icon:zf.a,tooltip:!0}),i.bind('isOn','isEnabled').to(t,'value','isEnabled'),this.listenTo(i,'execute',()=>e.execute('blockQuote')),i})}afterInit(){const e=this.editor,t=e.commands.get('blockQuote');this.listenTo(this.editor.editing.view,'enter',(e,n)=>{const o=this.editor.document,i=o.selection.getLastPosition().parent;o.selection.isCollapsed&&i.isEmpty&&t.value&&(this.editor.execute('blockQuote'),this.editor.editing.view.scrollToTheSelection(),n.preventDefault(),e.stop())})}}const Uf=/^data:(\S*?);base64,/;class $f{constructor(e,t,n){if(!e)throw new Error('File must be provided');if(!t)throw new Error('Token must be provided');if(!n)throw new Error('Api address must be provided');this.file=gi(e)?pi(e):e,this._token=t,this._apiAddress=n}onProgress(e){return this.on('progress',(t,n)=>e(n)),this}onError(e){return this.once('error',(t,n)=>e(n)),this}abort(){this.xhr.abort()}send(){return this._prepareRequest(),this._attachXHRListeners(),this._sendRequest()}_prepareRequest(){const e=new XMLHttpRequest;e.open('POST',this._apiAddress),e.setRequestHeader('Authorization',this._token.value),e.responseType='json',this.xhr=e}_attachXHRListeners(){function e(e){return()=>t.fire('error',e)}const t=this,n=this.xhr;n.addEventListener('error',e('Network Error')),n.addEventListener('abort',e('Abort')),n.upload&&n.upload.addEventListener('progress',(e)=>{e.lengthComputable&&this.fire('progress',{total:e.total,uploaded:e.loaded})}),n.addEventListener('load',()=>{const e=n.status,t=n.response;if(200>e||299<e)return this.fire('error',t.message||t.error)})}_sendRequest(){const e=new FormData,t=this.xhr;return e.append('file',this.file),new Promise((n,o)=>{t.addEventListener('load',()=>{const e=t.status,i=t.response;return 200>e||299<e?o(i.message||i.error):n(i)}),t.addEventListener('error',()=>o('Network Error')),t.addEventListener('abort',()=>o('Abort')),t.send(e)})}}a($f,Oa);const Kf={refreshInterval:3.6e6,autoRefresh:!0};class Qf{constructor(e,t=Kf){if(!e)throw new Error('`tokenUrl` must be provided');this.set('value',t.initValue),this._tokenUrl=e,this._options=Object.assign({},Kf,t)}init(){return new Promise((e,t)=>(this._options.autoRefresh&&this._startRefreshing(),this.value?void e(this):void this._refreshToken().then(e).catch(t)))}_refreshToken(){return new Promise((e,t)=>{const n=new XMLHttpRequest;n.open('GET',this._tokenUrl),n.addEventListener('load',()=>{const o=n.status,i=n.response;return 200>o||299<o?t('Cannot download new token!'):(this.set('value',i),e(this))}),n.addEventListener('error',()=>t('Network Error')),n.addEventListener('abort',()=>t('Abort')),n.send()})}_startRefreshing(){this._refreshInterval=setInterval(this._refreshToken.bind(this),this._options.refreshInterval)}_stopRefreshing(){clearInterval(this._refreshInterval)}static create(e,t=Kf){const n=new Qf(e,t);return n.init()}}a(Qf,Us);class Jf extends cg{init(){const e=this.editor,t=e.config,n=t.get('cloudServices')||{};for(const e in n)this[e]=n[e];return(this.uploadUrl||(this.uploadUrl='https://files.cke-cs.com/upload/'),!this.tokenUrl)?void(this.token=null):(this.token=new Jf.Token(this.tokenUrl),this.token.init())}}Jf.Token=Qf;class Gf extends cg{static get requires(){return[ff,Jf]}init(){const e=this.editor,t=e.plugins.get(Jf),n=t.token,o=t.uploadUrl;n&&(this._uploadGateway=new Gf._UploadGateway(n,o),e.plugins.get(ff).createAdapter=(e)=>new Yf(this._uploadGateway,e))}}class Yf{constructor(e,t){this.uploadGateway=e,this.loader=t}upload(){return this.fileUploader=this.uploadGateway.upload(this.loader.file),this.fileUploader.on('progress',(e,t)=>{this.loader.uploadTotal=t.total,this.loader.uploaded=t.uploaded}),this.fileUploader.send()}abort(){this.fileUploader.abort()}}Gf._UploadGateway=class{constructor(e,t){if(!e)throw new Error('Token must be provided');if(!t)throw new Error('Api address must be provided');this._token=e,this._apiAddress=t}upload(e){return new $f(e,this._token,this._apiAddress)}};const Xf=new WeakSet;class Zf{constructor(){this._stack=[]}add(e){const t=this._stack,n=t[0];this._insertDescriptor(e);const o=t[0];n===o||vi(n,o)||this.fire('change:top',{oldDescriptor:n,newDescriptor:o})}remove(e){const t=this._stack,n=t[0];this._removeDescriptor(e);const o=t[0];n===o||vi(n,o)||this.fire('change:top',{oldDescriptor:n,newDescriptor:o})}_insertDescriptor(e){const t=this._stack,n=t.findIndex((t)=>t.id===e.id);if(!vi(e,t[n])){-1<n&&t.splice(n,1);let o=0;for(;t[o]&&xi(t[o],e);)o++;t.splice(o,0,e)}}_removeDescriptor(e){const t=this._stack,n=t.findIndex((t)=>t.id===e);-1<n&&t.splice(n,1)}}a(Zf,Oa);const eh=Symbol('isWidget'),th=Symbol('label'),nh='ck-widget',oh='ck-widget_selected',ih=Symbol('isImage');class rh extends cg{init(){const e=this.editor,n=e.document,o=n.schema,i=e.data,r=e.editing,a=e.t;o.registerItem('image'),o.requireAttributes('image',['src']),o.allow({name:'image',attributes:['alt','src','srcset'],inside:'$root'}),o.objects.add('image'),si().for(i.modelToView).fromElement('image').toElement(()=>Bi()),si().for(r.modelToView).fromElement('image').toElement(()=>Ri(Bi(),a('image widget'))),hi([r.modelToView,i.modelToView],'src'),hi([r.modelToView,i.modelToView],'alt'),hi([r.modelToView,i.modelToView],'srcset',bi),di().for(i.viewToModel).from({name:'img',attribute:{src:/./}}).toElement((e)=>new Gs('image',{src:e.getAttribute('src')})),i.viewToModel.on('element:img',ki,{priority:'low'}),i.viewToModel.on('element',yi,{priority:'low'}),di().for(i.viewToModel).from({name:'img',attribute:{alt:/./}}).consuming({attribute:['alt']}).toAttribute((e)=>({key:'alt',value:e.getAttribute('alt')})),di().for(i.viewToModel).from({name:'img',attribute:{srcset:/./}}).consuming({attribute:['srcset']}).toAttribute((e)=>{const t={data:e.getAttribute('srcset')};return e.hasAttribute('width')&&(t.width=e.getAttribute('width')),{key:'srcset',value:t}}),i.viewToModel.on('element:figure',fi())}}class ah extends Xp{constructor(e){super(e),this.domEventType='mousedown'}onDomEvent(e){this.fire(e.type,e)}}var sh=n(19),lh=n.n(sh);const dh=te('Ctrl+A');class ch extends cg{static get pluginName(){return'Widget'}init(){const e=this.editor.editing.view;this._previouslySelected=new Set,this.editor.editing.modelToView.on('selection',(e,t,n,o)=>{this._clearPreviouslySelectedWidgets();const i=o.viewSelection,r=i.getSelectedElement();for(const a of i.getRanges())for(const e of a){const t=e.item;t.is('element')&&Ci(t)&&(t.addClass(oh),this._previouslySelected.add(t),t==r&&i.setFake(!0,{label:Si(r)}))}},{priority:'low'}),e.addObserver(ah),this.listenTo(e,'mousedown',(...e)=>this._onMousedown(...e)),this.listenTo(e,'keydown',(...e)=>this._onKeydown(...e),{priority:'high'})}_onMousedown(e,t){const n=this.editor,o=n.editing.view;let i=t.target;if(ji(i))return;if(!Ci(i)&&(i=i.findAncestor(Ci),!i))return;t.preventDefault(),o.isFocused||o.focus();const r=n.editing.mapper.toModelElement(i);n.document.enqueueChanges(()=>{this._setSelectionOverElement(r)})}_onKeydown(e,t){const n=t.keyCode,o=n==uc.delete||n==uc.arrowdown||n==uc.arrowright;let i=!1;Di(n)?i=this._handleDelete(o):Mi(n)?i=this._handleArrowKeys(o):Li(t)&&(i=this._selectAllNestedEditableContent()||this._selectAllContent()),i&&(t.preventDefault(),e.stop())}_handleDelete(e){if(this.editor.isReadOnly)return;const t=this.editor.document,n=t.selection;if(!n.isCollapsed)return;const o=this._getObjectElementNextToSelection(e);if(o)return t.enqueueChanges(()=>{const e=t.batch();for(let t=n.anchor.parent;t.isEmpty;){const n=t;t=n.parent,e.remove(n)}this._setSelectionOverElement(o)}),!0}_handleArrowKeys(e){const t=this.editor.document,n=t.schema,o=t.selection,i=o.getSelectedElement();if(i&&n.objects.has(i.name)){const n=e?o.getLastPosition():o.getFirstPosition(),i=t.getNearestSelectionRange(n,e?'forward':'backward');return i&&t.enqueueChanges(()=>{o.setRanges([i])}),!0}if(!o.isCollapsed)return;const r=this._getObjectElementNextToSelection(e);if(r instanceof Gs&&t.schema.objects.has(r.name))return t.enqueueChanges(()=>{this._setSelectionOverElement(r)}),!0}_selectAllNestedEditableContent(){const e=this.editor.document,t=e.selection,n=e.schema,o=n.getLimitElement(t);return t.getFirstRange().root!=o&&(e.enqueueChanges(()=>{t.setIn(o)}),!0)}_selectAllContent(){const e=this.editor.document,t=e.selection,n=this.editor.editing,o=n.view,i=o.selection,r=i.getSelectedElement();if(r&&Ci(r)){const o=n.mapper.toModelElement(r.parent);return e.enqueueChanges(()=>{t.setRanges([el.createIn(o)])}),!0}return!1}_setSelectionOverElement(e){this.editor.document.selection.setRanges([el.createOn(e)])}_getObjectElementNextToSelection(e){const t=this.editor.document,n=t.schema,o=t.selection,i=this.editor.data,r=bp.createFromSelection(o);i.modifySelection(r,{direction:e?'forward':'backward'});const a=e?r.focus.nodeBefore:r.focus.nodeAfter;return a instanceof Gs&&n.objects.has(a.name)?a:null}_clearPreviouslySelectedWidgets(){for(const e of this._previouslySelected)e.removeClass(oh);this._previouslySelected.clear()}}class mh extends zg{refresh(){const e=this.editor.document.selection.getSelectedElement();this.isEnabled=Ii(e),this.value=Ii(e)&&e.hasAttribute('alt')&&e.getAttribute('alt')}execute(e){const t=this.editor.document,n=t.selection.getSelectedElement();t.enqueueChanges(()=>{const o=e.batch||t.batch();o.setAttribute(n,'alt',e.newValue)})}}class uh extends cg{init(){this.editor.commands.add('imageTextAlternative',new mh(this.editor))}}class ph extends _g{constructor(e){super(e),this.set('text'),this.set('for');const t=this.bindTemplate;this.setTemplate({tag:'label',attributes:{class:['ck-label'],for:t.to('for')},children:[{text:t.to('text')}]})}}class gh extends _g{constructor(e,t){super(e);const n=`ck-input-${s()}`;this.set('label'),this.set('value'),this.set('isReadOnly',!1),this.labelView=this._createLabelView(n),this.inputView=this._createInputView(t,n);const o=this.bindTemplate;this.setTemplate({tag:'div',attributes:{class:[o.if('isReadOnly','ck-disabled')]},children:[this.labelView,this.inputView]})}_createLabelView(e){const t=new ph(this.locale);return t.for=e,t.bind('text').to(this,'label'),t}_createInputView(e,t){const n=new e(this.locale);return n.id=t,n.bind('value').to(this),n.bind('isReadOnly').to(this),n}select(){this.inputView.select()}focus(){this.inputView.focus()}}class fh extends _g{constructor(e){super(e),this.set('value'),this.set('id'),this.set('placeholder'),this.set('isReadOnly',!1);const t=this.bindTemplate;this.setTemplate({tag:'input',attributes:{type:'text',class:['ck-input','ck-input-text'],id:t.to('id'),placeholder:t.to('placeholder'),readonly:t.to('isReadOnly'),value:t.to('value')}})}select(){this.element.select()}focus(){this.element.focus()}}class hh extends _g{constructor(e){super(e);const n=this.locale.t;this.focusTracker=new xg,this.keystrokes=new Op,this.labeledInput=this._createLabeledInputView(),this.saveButtonView=this._createButton(n('Save')),this.saveButtonView.type='submit',this.cancelButtonView=this._createButton(n('Cancel'),'cancel'),this._focusables=new ug,this._focusCycler=new Ag({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:'shift + tab',focusNext:'tab'}}),this.saveButtonView.extendTemplate({attributes:{class:['ck-button-action']}}),this.setTemplate({tag:'form',attributes:{class:['cke-text-alternative-form'],tabindex:'-1'},children:[this.labeledInput,{tag:'div',attributes:{class:['cke-text-alternative-form__actions']},children:[this.saveButtonView,this.cancelButtonView]}]})}render(){super.render(),this.keystrokes.listenTo(this.element),qi({view:this}),[this.labeledInput,this.saveButtonView,this.cancelButtonView].forEach((e)=>{this._focusables.add(e),this.focusTracker.add(e.element)})}_createButton(e,t){const n=new sf(this.locale);return n.label=e,n.withText=!0,t&&n.delegate('execute').to(this,t),n}_createLabeledInputView(){const e=this.locale.t,t=new gh(this.locale,fh);return t.label=e('Text alternative'),t}}var bh=n(21),_h=n.n(bh),kh=n(22),wh=n.n(kh);class yh extends cg{static get requires(){return[uh,vg]}static get pluginName(){return'ImageTextAlternative'}init(){this._createButton(),this._createForm()}_createButton(){const e=this.editor,n=e.commands.get('imageTextAlternative'),o=e.t;e.ui.componentFactory.add('imageTextAlternative',(e)=>{const t=new sf(e);return t.set({label:o('Change image text alternative'),icon:_h.a,tooltip:!0}),t.bind('isEnabled').to(n,'isEnabled'),this.listenTo(t,'execute',()=>this._showForm()),t})}_createForm(){const e=this.editor,t=e.editing.view;this._balloon=this.editor.plugins.get('ContextualBalloon'),this._form=new hh(e.locale),this._form.render(),this.listenTo(this._form,'submit',()=>{e.execute('imageTextAlternative',{newValue:this._form.labeledInput.inputView.element.value}),this._hideForm(!0)}),this.listenTo(this._form,'cancel',()=>{this._hideForm(!0)}),this._form.keystrokes.set('Esc',(e,t)=>{this._hideForm(!0),t()}),this.listenTo(t,'render',()=>{Ni(t.selection)?this._isVisible&&Hi(e):this._hideForm(!0)},{priority:'low'}),zi({emitter:this._form,activator:()=>this._isVisible,contextElements:[this._form.element],callback:()=>this._hideForm()})}_showForm(){if(!this._isVisible){const e=this.editor,t=e.commands.get('imageTextAlternative'),n=this._form.labeledInput;this._balloon.hasView(this._form)||this._balloon.add({view:this._form,position:Wi(e)}),n.value=n.inputView.element.value=t.value||'',this._form.labeledInput.select()}}_hideForm(e){this._isVisible&&(this._balloon.remove(this._form),e&&this.editor.editing.view.focus())}get _isVisible(){return this._balloon.visibleView==this._form}}var vh=n(24),xh=n.n(vh);class Ah extends cg{static get requires(){return[rh,ch,yh]}static get pluginName(){return'Image'}init(){const e=this.editor,t=e.plugins.get('ContextualToolbar');t&&this.listenTo(t,'show',(t)=>{Ni(e.editing.view.selection)&&t.stop()},{priority:'high'})}}class Ch extends zg{execute(e){const t=this.editor,n=t.document,o=e.batch||n.batch(),i=e.file,r=n.selection,a=t.plugins.get(ff);n.enqueueChanges(()=>{const s=a.createLoader(i);if(!s)return;const l=new Gs('image',{uploadId:s.id});let d;d=e.insertAt?new bp([new el(e.insertAt)]):n.selection,t.data.insertContent(l,d,o),l.parent&&r.setRanges([el.createOn(l)])})}}class Th extends cg{static get pluginName(){return'Notification'}init(){this.on('show:warning',(e,t)=>{window.alert(t.message)},{priority:'lowest'})}showSuccess(e,t={}){this._showNotification({message:e,type:'success',namespace:t.namespace,title:t.title})}showInfo(e,t={}){this._showNotification({message:e,type:'info',namespace:t.namespace,title:t.title})}showWarning(e,t={}){this._showNotification({message:e,type:'warning',namespace:t.namespace,title:t.title})}_showNotification(e){const t=`show:${e.type}`+(e.namespace?`:${e.namespace}`:'');this.fire(t,{message:e.message,type:e.type,title:e.title||''})}}class Ph extends cg{static get requires(){return[ff,Th]}init(){const e=this.editor,t=e.document,n=t.schema,o=e.plugins.get(ff);n.allow({name:'image',attributes:['uploadId'],inside:'$root'}),n.allow({name:'image',attributes:['uploadStatus'],inside:'$root'}),n.requireAttributes('image',['uploadId']),e.commands.add('imageUpload',new Ch(e)),e.editing.view.on('clipboardInput',(n,o)=>{if(Ki(o.dataTransfer))return;let i=new bp(o.targetRanges.map((t)=>e.editing.mapper.toModelRange(t)));for(const r of o.dataTransfer.files){const o=$i(i);Ui(r)&&(e.execute('imageUpload',{file:r,insertAt:o}),n.stop()),i=t.selection}}),e.editing.view.on('dragover',(e,t)=>{t.preventDefault()}),t.on('change',(e,t,n)=>{if('insert'===t||'reinsert'===t||'remove'===t)for(const e of n.range)if('elementStart'===e.type&&'image'===e.item.name){const n=e.item,i=n.getAttribute('uploadId');if(i){const e=o.loaders.get(i);e&&('insert'===t&&'idle'==e.status&&this.load(e,n),'remove'===t&&e.abort())}}})}load(e,n){function o(){t.enqueueChanges(()=>{t.batch('transparent').removeAttribute(n,'uploadId'),t.batch('transparent').removeAttribute(n,'uploadStatus')}),a.destroyLoader(e)}const i=this.editor,r=i.locale.t,t=i.document,a=i.plugins.get(ff),s=i.plugins.get(Th);t.enqueueChanges(()=>{t.batch('transparent').setAttribute(n,'uploadStatus','reading')}),e.read().then((o)=>{const r=i.editing.mapper.toViewElement(n),a=r.getChild(0),s=e.upload();return a.setAttribute('src',o),i.editing.view.render(),t.enqueueChanges(()=>{t.batch('transparent').setAttribute(n,'uploadStatus','uploading')}),s}).then((e)=>{t.enqueueChanges(()=>{t.batch('transparent').setAttribute(n,'uploadStatus','complete'),t.batch('transparent').setAttribute(n,'src',e.default);let o=0;const i=Object.keys(e).filter((e)=>{const t=parseInt(e,10);if(!isNaN(t))return o=ia(o,t),!0}).map((t)=>`${e[t]} ${t}w`).join(', ');''!=i&&t.batch('transparent').setAttribute(n,'srcset',{data:i,width:o})}),o()}).catch((i)=>{'error'==e.status&&s.showWarning(i,{title:r('Upload failed'),namespace:'upload'}),o(),t.enqueueChanges(()=>{t.batch('transparent').remove(n)})})}}class Eh extends _g{constructor(e){super(e),this.buttonView=new sf(e),this._fileInputView=new Sh(e),this._fileInputView.bind('acceptedType').to(this),this._fileInputView.bind('allowMultipleFiles').to(this),this._fileInputView.delegate('done').to(this),this.setTemplate({tag:'span',attributes:{class:'ck-file-dialog-button'},children:[this.buttonView,this._fileInputView]}),this.buttonView.on('execute',()=>{this._fileInputView.open()})}focus(){this.buttonView.focus()}}class Sh extends _g{constructor(e){super(e),this.set('acceptedType'),this.set('allowMultipleFiles',!1);const t=this.bindTemplate;this.setTemplate({tag:'input',attributes:{class:['ck-hidden'],type:'file',tabindex:'-1',accept:t.to('acceptedType'),multiple:t.to('allowMultipleFiles')},on:{change:t.to(()=>{this.element&&this.element.files&&this.element.files.length&&this.fire('done',this.element.files),this.element.value=''})}})}open(){this.element.click()}}var Vh=n(26),Oh=n.n(Vh);class Rh extends cg{static get requires(){return[Ph]}init(){const e=this.editor,n=e.t;e.ui.componentFactory.add('insertImage',(t)=>{const o=new Eh(t),i=e.commands.get('imageUpload');return o.set({acceptedType:'image/*',allowMultipleFiles:!0}),o.buttonView.set({label:n('Insert image'),icon:Oh.a,tooltip:!0}),o.bind('isEnabled').to(i),o.on('done',(t,n)=>{for(const o of Array.from(n)){const t=$i(e.document.selection);Ui(o)&&e.execute('imageUpload',{file:o,insertAt:t})}}),o})}}var Fh=n(27),Nh=n.n(Fh),Ih=n(28),Bh=n.n(Ih);class Mh extends cg{static get requires(){return[Ph]}constructor(e){super(e),this.placeholder='data:image/svg+xml;utf8,'+encodeURIComponent(Nh.a)}init(){const e=this.editor;e.editing.modelToView.on('addAttribute:uploadStatus:image',(...e)=>this.uploadStatusChange(...e)),e.editing.modelToView.on('changeAttribute:uploadStatus:image',(...e)=>this.uploadStatusChange(...e))}uploadStatusChange(e,t,n){const o=this.editor,i=t.item,r=i.getAttribute('uploadId');if(n.consume(t.item,Le(e.name))&&r){const e=o.plugins.get(ff),n=this.placeholder,a=t.attributeNewValue,s=o.editing.mapper.toViewElement(i);if('reading'==a){s.addClass('ck-appear','ck-infinite-progress','ck-image-upload-placeholder');const e=s.getChild(0);return void e.setAttribute('src',n)}if('uploading'==a){const t=e.loaders.get(r);if(t){const e=Qi();s.removeClass('ck-infinite-progress','ck-image-upload-placeholder'),s.appendChildren(e),t.on('change:uploadedPercent',(t,n,i)=>{e.setStyle('width',i+'%'),o.editing.view.render()})}return}const l=Ji(s);l?l.remove():s.removeClass('ck-infinite-progress'),s.removeClass('ck-appear','ck-image-upload-placeholder')}}}const Dh=Symbol('progress-bar');class Lh extends cg{static get pluginName(){return'ImageUpload'}static get requires(){return[Rh,Mh]}}class jh extends cg{static get requires(){return[Gf,Ah,Lh]}static get pluginName(){return'EasyImage'}}class zh extends zg{refresh(){const e=this.editor.document,t=Ro(e.selection.getSelectedBlocks());this.value=!!t&&t.is('paragraph'),this.isEnabled=!!t&&Gi(t,e.schema)}execute(e={}){const t=this.editor.document;t.enqueueChanges(()=>{const n=e.batch||t.batch(),o=(e.selection||t.selection).getSelectedBlocks();for(const e of o)!e.is('paragraph')&&Gi(e,t.schema)&&n.rename(e,'paragraph')})}}class qh extends cg{static get pluginName(){return'Paragraph'}init(){const e=this.editor,t=e.document,n=e.data,o=e.editing;e.commands.add('paragraph',new zh(e)),t.schema.registerItem('paragraph','$block'),si().for(n.modelToView,o.modelToView).fromElement('paragraph').toElement('p'),di().for(n.viewToModel).fromElement('p').toElement('paragraph'),n.viewToModel.on('element',Yi,{priority:'low'}),n.viewToModel.on('text',Yi,{priority:'lowest'}),n.viewToModel.on('element',Xi,{priority:'lowest'}),n.viewToModel.on('documentFragment',Xi,{priority:'lowest'}),t.on('change',(e,n,o,i)=>{'transparent'==i.type||er(t,i)}),t.on('changesDone',tr,{priority:'lowest'}),e.on('dataReady',()=>{er(t,t.batch('transparent')),tr()},{priority:'lowest'})}}qh.paragraphLikeElements=new Set(['blockquote','dd','div','dt','h1','h2','h3','h4','h5','h6','li','p','td']);const Hh=new Map;class Wh extends zg{constructor(e,t){super(e),this.modelElement=t}refresh(){const e=Ro(this.editor.document.selection.getSelectedBlocks());this.value=!!e&&e.is(this.modelElement),this.isEnabled=!!e&&nr(e,this.modelElement,this.editor.document.schema)}execute(e={}){const t=this.editor,n=t.document;n.enqueueChanges(()=>{const t=e.batch||n.batch(),o=Array.from(n.selection.getSelectedBlocks()).filter((e)=>nr(e,this.modelElement,n.schema));for(const e of o)e.is(this.modelElement)||t.rename(e,this.modelElement)})}}const Uh='paragraph';class $h extends cg{constructor(e){super(e),e.config.define('heading',{options:[{modelElement:'paragraph',title:'Paragraph',class:'ck-heading_paragraph'},{modelElement:'heading1',viewElement:'h2',title:'Heading 1',class:'ck-heading_heading1'},{modelElement:'heading2',viewElement:'h3',title:'Heading 2',class:'ck-heading_heading2'},{modelElement:'heading3',viewElement:'h4',title:'Heading 3',class:'ck-heading_heading3'}]})}static get requires(){return[qh]}init(){const e=this.editor,t=e.data,n=e.editing,o=e.config.get('heading.options');for(const i of o)i.modelElement!==Uh&&(e.document.schema.registerItem(i.modelElement,'$block'),si().for(t.modelToView,n.modelToView).fromElement(i.modelElement).toElement(i.viewElement),di().for(t.viewToModel).fromElement(i.viewElement).toElement(i.modelElement),e.commands.add(i.modelElement,new Wh(e,i.modelElement)))}afterInit(){const e=this.editor,t=e.commands.get('enter'),n=e.config.get('heading.options');t&&this.listenTo(t,'afterExecute',(t,o)=>{const i=e.document.selection.getFirstPosition().parent,r=o.batch,a=n.some((e)=>i.is(e.modelElement));a&&!i.is(Uh)&&0===i.childCount&&r.rename(i,Uh)})}}class Kh{constructor(e,t){t&&js(this,t),e&&this.set(e)}}a(Kh,Us);class Qh extends _g{constructor(){super(),this.items=this.createCollection(),this.focusTracker=new xg,this.keystrokes=new Op,this._focusCycler=new Ag({focusables:this.items,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:'arrowup',focusNext:'arrowdown'}}),this.setTemplate({tag:'ul',attributes:{class:['ck-reset','ck-list']},children:this.items})}render(){super.render();for(const e of this.items)this.focusTracker.add(e.element);this.items.on('add',(e,t)=>{this.focusTracker.add(t.element)}),this.items.on('remove',(e,t)=>{this.focusTracker.remove(t.element)}),this.keystrokes.listenTo(this.element)}focus(){this._focusCycler.focusFirst()}focusLast(){this._focusCycler.focusLast()}}class Jh extends _g{constructor(){super(),this.set('tabindex',-1),this.keystrokes=new Op;const e=this.bindTemplate;this.setTemplate({tag:'li',attributes:{class:['ck-list__item',e.to('class'),e.if('isActive','ck-list__item_active')],style:e.to('style'),tabindex:e.to('tabindex')},children:[{text:e.to('label')}],on:{click:e.to('execute')}})}render(){super.render();const e=(e,t)=>{this.fire('execute'),t()};this.keystrokes.listenTo(this.element),this.keystrokes.set('Enter',e),this.keystrokes.set('Space',e)}focus(){this.element.focus()}}class Gh extends _g{constructor(e,t,n){super(e),t.extendTemplate({attributes:{class:['ck-dropdown__button']}}),this.buttonView=t,this.panelView=n,this.set('isOpen',!1),this.focusTracker=new xg,this.keystrokes=new Op,this.setTemplate({tag:'div',attributes:{class:['ck-dropdown']},children:[t,n]})}render(){super.render(),this.listenTo(this.buttonView,'execute',()=>{this.isOpen=!this.isOpen}),this.panelView.bind('isVisible').to(this,'isOpen'),this.keystrokes.listenTo(this.element),this.focusTracker.add(this.element);const e=(e,t)=>{this.isOpen&&(this.buttonView.focus(),this.isOpen=!1,t())};this.keystrokes.set('arrowdown',(e,t)=>{this.buttonView.isEnabled&&!this.isOpen&&(this.isOpen=!0,t())}),this.keystrokes.set('arrowright',(e,t)=>{this.isOpen&&t()}),this.keystrokes.set('arrowleft',e),this.keystrokes.set('esc',e)}focus(){this.buttonView.focus()}}class Yh extends _g{constructor(e){super(e);const t=this.bindTemplate;this.set('isVisible',!1),this.children=this.createCollection(),this.setTemplate({tag:'div',attributes:{class:['ck-reset','ck-dropdown__panel',t.if('isVisible','ck-dropdown__panel-visible')]},children:this.children,on:{selectstart:t.to((e)=>e.preventDefault())}})}}var Xh=n(30),Zh=n.n(Xh);class eb extends cg{static get requires(){return[qh,$h]}static get pluginName(){return'Heading'}init(){const e=this.editor,n=new mg,o=this._getLocalizedOptions(),i=[],r=e.t,t=r('Choose heading'),a=r('Heading');for(const t of o){const o=e.commands.get(t.modelElement),r=new Kh({commandName:t.modelElement,label:t.title,class:t.class});r.bind('isActive').to(o,'value'),n.add(r),i.push(o)}const s=new Kh({withText:!0,items:n,tooltip:a});s.bind('isEnabled').to(...ar(i,'isEnabled'),(...e)=>e.some((e)=>e)),s.bind('label').to(...ar(i,'value'),(...e)=>{const n=e.findIndex((e)=>e);return o[n]?o[n].title:t}),e.ui.componentFactory.add('headings',(t)=>{const n=ir(s,t);return n.extendTemplate({attributes:{class:['ck-heading-dropdown']}}),this.listenTo(n,'execute',(t)=>{e.execute(t.source.commandName),e.editing.view.focus()}),n})}_getLocalizedOptions(){const e=this.editor,n=e.t,t={Paragraph:n('Paragraph'),"Heading 1":n('Heading 1'),"Heading 2":n('Heading 2'),"Heading 3":n('Heading 3')};return e.config.get('heading.options').map((e)=>{const n=t[e.title];return n&&n!=e.title&&(e=Object.assign({},e,{title:n})),e})}}var tb=n(32),nb=n.n(tb);const ob={};js(ob,Oa);const ib=new WeakMap,rb=Symbol('imageCaption');class ab extends cg{init(){const e=this.editor,n=e.document,o=e.editing.view,i=n.schema,r=e.data,a=e.editing,s=e.t;this._createCaption=mr(o,s('Enter image caption')),i.registerItem('caption','$block'),i.allow({name:'$inline',inside:'caption'}),i.allow({name:'caption',inside:'image'}),i.limits.add('caption'),n.on('change',gr),di().for(r.viewToModel).from(pr).toElement('caption'),r.modelToView.on('insert:caption',fr(new Yd('figcaption'),!1)),a.modelToView.on('insert:caption',fr(this._createCaption)),a.modelToView.on('insert',(e,t)=>this._fixCaptionVisibility(t.item),{priority:'high'}),a.modelToView.on('remove',(e,t)=>this._fixCaptionVisibility(t.sourcePosition.parent),{priority:'high'}),this.listenTo(o,'render',()=>this._updateCaptionVisibility(),{priority:'high'})}_updateCaptionVisibility(){const e=this.editor.editing.mapper;let t;this._lastSelectedCaption&&!this._lastSelectedCaption.childCount&&this._lastSelectedCaption.addClass('ck-hidden');const n=this.editor.document.selection,o=n.getSelectedElement();if(o&&o.is('image')){const n=ur(o);t=e.toViewElement(n)}const i=n.getFirstPosition(),r=br(i.parent);r&&(t=e.toViewElement(r)),t&&(t.removeClass('ck-hidden'),this._lastSelectedCaption=t)}_fixCaptionVisibility(e){const t=br(e),n=this.editor.editing.mapper;if(t){const e=n.toViewElement(t);e&&(t.childCount?e.removeClass('ck-hidden'):e.addClass('ck-hidden'))}}}var sb=n(34),lb=n.n(sb);class db extends cg{static get requires(){return[ab]}static get pluginName(){return'ImageCaption'}}class cb extends zg{constructor(e,t){super(e),this.style=t}refresh(){const e=this.editor.document.selection.getSelectedElement();this.isEnabled=Ii(e),this.value=!!e&&(this.style.isDefault?!e.hasAttribute('imageStyle'):e.getAttribute('imageStyle')==this.style.name)}execute(e={}){if(this.value)return;const t=this.editor.document,n=t.selection.getSelectedElement();t.enqueueChanges(()=>{const o=e.batch||t.batch();this.style.isDefault?o.removeAttribute(n,'imageStyle'):o.setAttribute(n,'imageStyle',this.style.name)})}}var mb=n(36),ub=n.n(mb),pb=n(37),gb=n.n(pb),fb=n(38),hb=n.n(fb),bb=n(39),_b=n.n(bb);class kb extends cg{static get requires(){return[rh]}static get pluginName(){return'ImageStyleEngine'}init(){const e=this.editor,t=e.document,n=t.schema,o=e.data,i=e.editing;e.config.define('image.styles',['imageStyleFull','imageStyleSide']);const r=this.imageStyles;n.allow({name:'image',attributes:'imageStyle',inside:'$root'});const a=_r(r);i.modelToView.on('addAttribute:imageStyle:image',a),o.modelToView.on('addAttribute:imageStyle:image',a),i.modelToView.on('changeAttribute:imageStyle:image',a),o.modelToView.on('changeAttribute:imageStyle:image',a),i.modelToView.on('removeAttribute:imageStyle:image',a),o.modelToView.on('removeAttribute:imageStyle:image',a),o.viewToModel.on('element:figure',kr(r),{priority:'low'});for(const t of r)e.commands.add(t.name,new cb(e,t))}get imageStyles(){if(this._cachedImageStyles)return this._cachedImageStyles;const e=[],t=this.editor,n=this.localizedDefaultStylesTitles,o=t.config.get('image.styles');for(let t of o)t=Ar(t),n[t.title]&&(t.title=n[t.title]),e.push(t);return this._cachedImageStyles=e}get localizedDefaultStylesTitles(){const e=this.editor.t;return{"Full size image":e('Full size image'),"Side image":e('Side image'),"Left aligned image":e('Left aligned image'),"Centered image":e('Centered image'),"Right aligned image":e('Right aligned image')}}}kb.defaultStyles={imageStyleFull:{name:'imageStyleFull',title:'Full size image',icon:ub.a,isDefault:!0},imageStyleSide:{name:'imageStyleSide',title:'Side image',icon:_b.a,className:'image-style-side'},imageStyleAlignLeft:{name:'imageStyleAlignLeft',title:'Left aligned image',icon:gb.a,className:'image-style-align-left'},imageStyleAlignCenter:{name:'imageStyleAlignCenter',title:'Centered image',icon:hb.a,className:'image-style-align-center'},imageStyleAlignRight:{name:'imageStyleAlignRight',title:'Right aligned image',icon:_b.a,className:'image-style-align-right'}},kb.defaultIcons={full:ub.a,left:gb.a,right:_b.a,center:hb.a};class wb extends cg{static get requires(){return[kb]}static get pluginName(){return'ImageStyle'}init(){const e=this.editor,t=e.plugins.get(kb).imageStyles;for(const e of t)this._createButton(e)}_createButton(e){const t=this.editor,n=t.commands.get(e.name);t.ui.componentFactory.add(e.name,(o)=>{const i=new sf(o);return i.set({label:e.title,icon:e.icon,tooltip:!0}),i.bind('isEnabled').to(n,'isEnabled'),i.bind('isOn').to(n,'value'),this.listenTo(i,'execute',()=>t.execute(e.name)),i})}}class yb extends cg{static get requires(){return[vg]}static get pluginName(){return'ImageToolbar'}afterInit(){const e=this.editor,t=e.config.get('image.toolbar');t&&t.length&&(this._balloon=this.editor.plugins.get('ContextualBalloon'),this._toolbar=new Tg,this._toolbar.extendTemplate({attributes:{class:'ck-editor-toolbar'}}),this._toolbar.fillFromConfig(t,e.ui.componentFactory),this.listenTo(e.editing.view,'render',()=>{this._checkIsVisible()},{priority:'low'}),this.listenTo(e.ui.focusTracker,'change:isFocused',()=>{this._checkIsVisible()},{priority:'low'}))}_checkIsVisible(){const e=this.editor;e.ui.focusTracker.isFocused?Ni(e.editing.view.selection)?this._showToolbar():this._hideToolbar():this._hideToolbar()}_showToolbar(){const e=this.editor;this._isVisible?Hi(e):!this._balloon.hasView(this._toolbar)&&this._balloon.add({view:this._toolbar,position:Wi(e),balloonClassName:'ck-toolbar-container ck-editor-toolbar-container'})}_hideToolbar(){this._isVisible&&this._balloon.remove(this._toolbar)}get _isVisible(){return this._balloon.visibleView==this._toolbar}}class vb extends Xp{constructor(e){super(e),this.domEventType='click'}onDomEvent(e){this.fire(e.type,e)}}class xb extends sc{}class Ab extends zg{refresh(){const e=this.editor.document;this.value=e.selection.getAttribute('linkHref'),this.isEnabled=e.schema.checkAttributeInSelection(e.selection,'linkHref')}execute(e){const t=this.editor.document,n=t.selection;t.enqueueChanges(()=>{const o=t.batch();if(n.isCollapsed){const t=n.getFirstPosition();if(n.hasAttribute('linkHref')){const t=Cr(n.getFirstPosition(),n.getAttribute('linkHref'));o.setAttribute(t,'linkHref',e),n.setRanges([t])}else{const i=new Ks(e,{linkHref:e});o.insert(t,i),n.setRanges([el.createOn(i)])}}else{const i=t.schema.getValidRanges(n.getRanges(),'linkHref');for(const t of i)o.setAttribute(t,'linkHref',e)}})}}class Cb extends zg{refresh(){this.isEnabled=this.editor.document.selection.hasAttribute('linkHref')}execute(){const e=this.editor.document,t=e.selection;e.enqueueChanges(()=>{const n=t.isCollapsed?[Cr(t.getFirstPosition(),t.getAttribute('linkHref'))]:t.getRanges(),o=e.batch();for(const e of n)o.removeAttribute(e,'linkHref')})}}class Tb extends cg{init(){const e=this.editor,t=e.data,n=e.editing;e.document.schema.allow({name:'$inline',attributes:'linkHref',inside:'$block'}),e.document.schema.allow({name:'$inline',attributes:'linkHref',inside:'$clipboardHolder'}),si().for(t.modelToView,n.modelToView).fromAttribute('linkHref').toElement((e)=>{const t=new xb('a',{href:e});return t.priority=5,t}),di().for(t.viewToModel).from({name:'a',attribute:{href:/.?/}}).toAttribute((e)=>({key:'linkHref',value:e.getAttribute('href')})),e.commands.add('link',new Ab(e)),e.commands.add('unlink',new Cb(e))}}class Pb extends _g{constructor(e){super(e);const n=e.t;this.focusTracker=new xg,this.keystrokes=new Op,this.urlInputView=this._createUrlInput(),this.saveButtonView=this._createButton(n('Save')),this.saveButtonView.type='submit',this.cancelButtonView=this._createButton(n('Cancel'),'cancel'),this.unlinkButtonView=this._createButton(n('Unlink'),'unlink'),this._focusables=new ug,this._focusCycler=new Ag({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:'shift + tab',focusNext:'tab'}}),this.saveButtonView.extendTemplate({attributes:{class:['ck-button-action']}}),this.setTemplate({tag:'form',attributes:{class:['ck-link-form'],tabindex:'-1'},children:[this.urlInputView,{tag:'div',attributes:{class:['ck-link-form__actions']},children:[this.saveButtonView,this.cancelButtonView,this.unlinkButtonView]}]})}render(){super.render(),qi({view:this});const e=[this.urlInputView,this.saveButtonView,this.cancelButtonView,this.unlinkButtonView];e.forEach((e)=>{this._focusables.add(e),this.focusTracker.add(e.element)}),this.keystrokes.listenTo(this.element)}focus(){this._focusCycler.focusFirst()}_createUrlInput(){const e=this.locale.t,t=new gh(this.locale,fh);return t.label=e('Link URL'),t.inputView.placeholder='https://example.com',t}_createButton(e,t){const n=new sf(this.locale);return n.label=e,n.withText=!0,t&&n.delegate('execute').to(this,t),n}}var Eb=n(40),Sb=n.n(Eb),Vb=n(41),Ob=n.n(Vb);const Rb='Ctrl+K';class Fb extends cg{static get requires(){return[Tb,vg]}static get pluginName(){return'Link'}init(){const e=this.editor;e.editing.view.addObserver(vb),this.formView=this._createForm(),this._balloon=e.plugins.get(vg),this._createToolbarLinkButton(),this._attachActions()}_createForm(){const e=this.editor,t=new Pb(e.locale),n=e.commands.get('link'),o=e.commands.get('unlink');return t.urlInputView.bind('value').to(n,'value'),t.urlInputView.bind('isReadOnly').to(n,'isEnabled',(e)=>!e),t.saveButtonView.bind('isEnabled').to(n),t.unlinkButtonView.bind('isEnabled').to(o),this.listenTo(t,'submit',()=>{e.execute('link',t.urlInputView.inputView.element.value),this._hidePanel(!0)}),this.listenTo(t,'unlink',()=>{e.execute('unlink'),this._hidePanel(!0)}),this.listenTo(t,'cancel',()=>this._hidePanel(!0)),t.keystrokes.set('Esc',(e,t)=>{this._hidePanel(!0),t()}),t}_createToolbarLinkButton(){const e=this.editor,n=e.commands.get('link'),o=e.t;e.keystrokes.set(Rb,(e,t)=>{t(),n.isEnabled&&this._showPanel(!0)}),e.ui.componentFactory.add('link',(e)=>{const t=new sf(e);return t.isEnabled=!0,t.label=o('Link'),t.icon=Sb.a,t.keystroke=Rb,t.tooltip=!0,t.bind('isEnabled').to(n,'isEnabled'),this.listenTo(t,'execute',()=>this._showPanel(!0)),t})}_attachActions(){const e=this.editor.editing.view;this.listenTo(e,'click',()=>{const e=this._getSelectedLinkElement();e&&this._showPanel()}),this.editor.keystrokes.set('Tab',(e,t)=>{this._balloon.visibleView!==this.formView||this.formView.focusTracker.isFocused||(this.formView.focus(),t())},{priority:'high'}),this.editor.keystrokes.set('Esc',(e,t)=>{this._balloon.visibleView===this.formView&&(this._hidePanel(),t())}),zi({emitter:this.formView,activator:()=>this._balloon.hasView(this.formView),contextElements:[this._balloon.view.element],callback:()=>this._hidePanel()})}_showPanel(e){const t=this.editor,n=t.commands.get('link'),o=t.commands.get('unlink'),i=t.editing,r=i.view,a=r.selection.isCollapsed,s=this._getSelectedLinkElement();this.listenTo(r,'render',()=>{const e=this._getSelectedLinkElement(),t=r.selection.isCollapsed;a&&!t||s!==e?this._hidePanel(!0):this._balloon.updatePosition(this._getBalloonPositionData())}),this._balloon.hasView(this.formView)?e&&this._balloon.visibleView===this.formView&&this.formView.urlInputView.select():(this._balloon.add({view:this.formView,position:this._getBalloonPositionData()}),e&&this.formView.urlInputView.select()),this.formView.unlinkButtonView.isVisible=o.isEnabled,this.formView.urlInputView.inputView.element.value=n.value||''}_hidePanel(e){this.stopListening(this.editor.editing.view,'render');this._balloon.hasView(this.formView)&&(e&&this.editor.editing.view.focus(),this.stopListening(this.editor.editing.view,'render'),this._balloon.remove(this.formView))}_getBalloonPositionData(){const e=this.editor.editing.view,t=this._getSelectedLinkElement(),n=t?e.domConverter.mapViewToDom(t):e.domConverter.viewRangeToDom(e.selection.getFirstRange());return{target:n}}_getSelectedLinkElement(){const e=this.editor.editing.view.selection;if(e.isCollapsed)return Pr(e.getFirstPosition());else{const t=e.getFirstRange().getTrimmed(),n=Pr(t.start),o=Pr(t.end);return n&&n==o?tc.createIn(n).getTrimmed().isEqual(t)?n:null:null}}}class Nb extends zg{constructor(e,t){super(e),this.type='bulleted'==t?'bulleted':'numbered'}refresh(){this.value=this._getValue(),this.isEnabled=this._checkEnabled()}execute(e={}){const t=this.editor.document,n=Array.from(t.selection.getSelectedBlocks()).filter((e)=>Sr(e,t.schema)),o=!0===this.value;t.enqueueChanges(()=>{const i=e.batch||t.batch();if(o){let e=n[n.length-1].nextSibling,t=na,o=[];for(;e&&'listItem'==e.name&&0!==e.getAttribute('indent');){const n=e.getAttribute('indent');n<t&&(t=n);const i=n-t;o.push({element:e,indent:i}),e=e.nextSibling}o=o.reverse();for(const e of o)i.setAttribute(e.element,'indent',e.indent)}if(!o){let e=na;for(const t of n)t.is('listItem')&&t.getAttribute('indent')<e&&(e=t.getAttribute('indent'));e=0===e?1:e,Er(n,!0,e),Er(n,!1,e)}for(const e of n.reverse())o&&'listItem'==e.name?i.rename(e,'paragraph'):o||'listItem'==e.name?o||'listItem'!=e.name||e.getAttribute('type')==this.type||i.setAttribute(e,'type',this.type):i.setAttribute(e,'type',this.type).setAttribute(e,'indent',0).rename(e,'listItem')})}_getValue(){const e=Ro(this.editor.document.selection.getSelectedBlocks());return!!e&&e.is('listItem')&&e.getAttribute('type')==this.type}_checkEnabled(){if(this.value)return!0;const e=this.editor.document.selection,t=this.editor.document.schema,n=Ro(e.getSelectedBlocks());return!!n&&Sr(n,t)}}class Ib extends zg{constructor(e,t){super(e),this._indentBy='forward'==t?1:-1}refresh(){this.isEnabled=this._checkEnabled()}execute(){const e=this.editor.document,t=e.batch();let n=Array.from(e.selection.getSelectedBlocks());e.enqueueChanges(()=>{const e=n[n.length-1];for(let t=e.nextSibling;t&&'listItem'==t.name&&t.getAttribute('indent')>e.getAttribute('indent');)n.push(t),t=t.nextSibling;0>this._indentBy&&(n=n.reverse());for(const e of n){const n=e.getAttribute('indent')+this._indentBy;0>n?t.rename(e,'paragraph'):t.setAttribute(e,'indent',n)}0>this._indentBy&&(n=n.reverse());for(const e of n)Vr(e,t)})}_checkEnabled(){const e=Ro(this.editor.document.selection.getSelectedBlocks());if(!e||!e.is('listItem'))return!1;if(0<this._indentBy){const t=e.getAttribute('indent'),n=e.getAttribute('type');for(let o=e.previousSibling;o&&o.is('listItem')&&o.getAttribute('indent')>=t;){if(o.getAttribute('indent')==t)return o.getAttribute('type')==n;o=o.previousSibling}return!1}return!0}}class Bb extends Yd{constructor(e,t){super('li',e,t),this.getFillerOffset=Rr}}class Mb extends cg{static get requires(){return[qh]}init(){const e=this.editor,t=e.document.schema;t.registerItem('listItem','$block'),t.allow({name:'listItem',inside:'$root',attributes:['type','indent']}),t.requireAttributes('listItem',['type','indent']);const n=e.data,o=e.editing;this.editor.document.on('change',Wr(this.editor.document),{priority:'high'}),this.editor.document.on('change',(e,t,n)=>{if('move'==t)for(const e of n.range.getItems())e.is('listItem')&&o.mapper.unbindModelElement(e)},{priority:'high'}),o.mapper.registerViewToModelLength('li',ta),n.mapper.registerViewToModelLength('li',ta),o.mapper.on('modelToViewPosition',qr),o.mapper.on('viewToModelPosition',Hr),n.mapper.on('modelToViewPosition',qr),o.modelToView.on('insert',Mr,{priority:'high'}),o.modelToView.on('insert:listItem',Fr),n.modelToView.on('insert',Mr,{priority:'high'}),n.modelToView.on('insert:listItem',Fr),o.modelToView.on('changeAttribute:type:listItem',Nr),n.modelToView.on('changeAttribute:type:listItem',Nr),o.modelToView.on('remove:listItem',Ir),o.modelToView.on('remove',Dr,{priority:'low'}),n.modelToView.on('remove:listItem',Ir),n.modelToView.on('remove',Dr,{priority:'low'}),o.modelToView.on('changeAttribute:indent:listItem',Br),n.modelToView.on('changeAttribute:indent:listItem',Br),n.viewToModel.on('element:ul',jr,{priority:'high'}),n.viewToModel.on('element:ol',jr,{priority:'high'}),n.viewToModel.on('element:li',zr,{priority:'high'}),n.viewToModel.on('element:li',Lr),n.on('insertContent',Kr,{priority:'high'}),e.commands.add('numberedList',new Nb(e,'numbered')),e.commands.add('bulletedList',new Nb(e,'bulleted')),e.commands.add('indentList',new Ib(e,'forward')),e.commands.add('outdentList',new Ib(e,'backward'))}}var Db=n(43),Lb=n.n(Db),jb=n(44),zb=n.n(jb);class qb extends cg{static get requires(){return[Mb]}static get pluginName(){return'List'}init(){const e=this.editor.t;this._addButton('numberedList',e('Numbered List'),Lb.a),this._addButton('bulletedList',e('Bulleted List'),zb.a),this.listenTo(this.editor.editing.view,'enter',(e,t)=>{const n=this.editor.document,o=n.selection.getLastPosition().parent;n.selection.isCollapsed&&'listItem'==o.name&&o.isEmpty&&(this.editor.execute('outdentList'),t.preventDefault(),e.stop())}),this.listenTo(this.editor.editing.view,'delete',(e,t)=>{if('backward'===t.direction){const n=this.editor.document.selection;if(n.isCollapsed){const o=n.getFirstPosition();if(o.isAtStart){const n=o.parent;if('listItem'===n.name){const o=n.previousSibling&&'listItem'===n.previousSibling.name;o||(this.editor.execute('outdentList'),t.preventDefault(),e.stop())}}}}},{priority:'high'});const t=(e)=>(t,n)=>{const o=this.editor.commands.get(e);o.isEnabled&&(this.editor.execute(e),n())};this.editor.keystrokes.set('Tab',t('indentList')),this.editor.keystrokes.set('Shift+Tab',t('outdentList'))}_addButton(e,t,n){const o=this.editor,i=o.commands.get(e);o.ui.componentFactory.add(e,(r)=>{const a=new sf(r);return a.set({label:t,icon:n,tooltip:!0}),a.bind('isOn','isEnabled').to(i,'value','isEnabled'),this.listenTo(a,'execute',()=>o.execute(e)),a})}}class Hb extends Bg{}t['default']=Hb,Hb.build={plugins:[pf,wf,Af,Rf,Mf,Wf,jh,eb,Ah,db,wb,yb,Fb,qb,qh,Lh],config:{toolbar:{items:['headings','bold','italic','link','bulletedList','numberedList','blockQuote','undo','redo']},image:{toolbar:['imageStyleFull','imageStyleSide','|','imageTextAlternative']}}}},function(e){var t=function(){return this}();try{t=t||Function('return 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