| 1234567 |
- /**
- * @license Copyright (c) 2003-2018, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md.
- */
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zs=Symbol('attributes'),js=Symbol('boundObservables'),qs=Symbol('boundAttributes'),Hs={set(e,t){if(Da(e))return void Object.keys(e).forEach((t)=>{this.set(t,e[t])},this);_(this);const o=this[zs];if(e in this&&!o.has(e))throw new ba('observable-set-cannot-override: Cannot override an existing property.');Object.defineProperty(this,e,{enumerable:!0,configurable:!0,get(){return o.get(e)},set(t){const n=o.get(e);n===t&&o.has(e)||(o.set(e,t),this.fire('change:'+e,e,t,n))}}),this[e]=t},bind(...e){if(!e.length||!w(e))throw new ba('observable-bind-wrong-attrs: All attributes must be strings.');if(new Set(e).size!==e.length)throw new ba('observable-bind-duplicate-attrs: Attributes must be unique.');_(this);const t=this[qs];e.forEach((e)=>{if(t.has(e))throw new ba('observable-bind-rebind: Cannot bind the same attribute more that once.')});const o=new Map;return e.forEach((e)=>{const n={attr:e,to:[]};t.set(e,n),o.set(e,n)}),{to:v,_observable:this,_bindAttrs:e,_to:[],_bindings:o}},unbind(...e){if(!(zs in this))return;const t=this[qs],o=this[js];if(e.length){if(!w(e))throw new ba('observable-unbind-wrong-attrs: Attributes must be strings.');e.forEach((e)=>{const n=t.get(e);if(!n)return;let i,r,a,s;n.to.forEach((e)=>{i=e[0],r=e[1],a=o.get(i),s=a[r],s.delete(n),s.size||delete a[r],Object.keys(a).length||(o.delete(i),this.stopListening(i,'change'))}),t.delete(e)})}else o.forEach((e,t)=>{this.stopListening(t,'change')}),o.clear(),t.clear()},decorate(e){const t=this[e];if(!t)throw new ba('observablemixin-cannot-decorate-undefined: Cannot decorate an undefined method.',{object:this,methodName:e});this.on(e,(e,o)=>{e.return=t.apply(this,o)}),this[e]=function(...t){return this.fire(e,t)}}};var Ws=Hs;Ls(Hs,Va);class $s{constructor(e){this.parent=null,this._attrs=E(e)}get index(){let e;if(!this.parent)return null;if(null===(e=this.parent.getChildIndex(this)))throw new ba('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 ba('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 o=e.includeSelf?this:this.parent;o;)t[e.parentFirst?'push':'unshift'](o),o=o.parent;return t}getCommonAncestor(e,t={}){const o=this.getAncestors(t),n=e.getAncestors(t);let r=0;for(;o[r]==n[r]&&o[r];)r++;return 0==r?null:o[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=E(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 Us{constructor(e,t,o){if(this.textNode=e,0>t||t>e.offsetSize)throw new ba('model-textproxy-wrong-offsetintext: Given offsetInText value is incorrect.');if(0>o||t+o>e.offsetSize)throw new ba('model-textproxy-wrong-length: Given length value is incorrect.');this.data=e.data.substring(t,t+o),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 o=e.includeSelf?this:this.parent;o;)t[e.parentFirst?'push':'unshift'](o),o=o.parent;return t}hasAttribute(e){return this.textNode.hasAttribute(e)}getAttribute(e){return this.textNode.getAttribute(e)}getAttributes(){return this.textNode.getAttributes()}getAttributeKeys(){return this.textNode.getAttributeKeys()}}class Qs{constructor(e){this._nodes=[],e&&this.insertNodes(0,e)}[Symbol.iterator](){return this._nodes[Symbol.iterator]()}get length(){return this._nodes.length}get maxOffset(){return this._nodes.reduce((e,t)=>e+t.offsetSize,0)}getNode(e){return this._nodes[e]||null}getNodeIndex(e){const t=this._nodes.indexOf(e);return-1==t?null:t}getNodeStartOffset(e){const t=this.getNodeIndex(e);return null===t?null:this._nodes.slice(0,t).reduce((e,t)=>e+t.offsetSize,0)}indexToOffset(e){if(e==this._nodes.length)return this.maxOffset;const t=this._nodes[e];if(!t)throw new ba('model-nodelist-index-out-of-bounds: Given index cannot be found in the node list.');return this.getNodeStartOffset(t)}offsetToIndex(e){let t=0;for(const o of this._nodes){if(e>=t&&e<t+o.offsetSize)return this.getNodeIndex(o);t+=o.offsetSize}if(t!=e)throw new ba('model-nodelist-offset-out-of-bounds: Given offset cannot be found in the node list.');return this.length}insertNodes(e,t){for(const o of t)if(!(o instanceof $s))throw new ba('model-nodelist-insertNodes-not-node: Trying to insert an object which is not a Node instance.');this._nodes.splice(e,0,...t)}removeNodes(e,t=1){return this._nodes.splice(e,t)}toJSON(){return this._nodes.map((e)=>e.toJSON())}}class Js extends $s{constructor(e,t,o){super(t),this.name=e,this._children=new Qs,o&&this.insertChildren(0,o)}get childCount(){return this._children.length}get maxOffset(){return this._children.maxOffset}get isEmpty(){return 0===this.childCount}is(e,t=null){return t?'element'==e&&t==this.name:'element'==e||e==this.name}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)}clone(e=!1){const t=e?Array.from(this._children).map((e)=>e.clone(!0)):null;return new Js(this.name,this.getAttributes(),t)}offsetToIndex(e){return this._children.offsetToIndex(e)}appendChildren(e){this.insertChildren(this.childCount,e)}insertChildren(e,t){t=V(t);for(const o of t)null!==o.parent&&o.remove(),o.parent=this;this._children.insertNodes(e,t)}removeChildren(e,t=1){const o=this._children.removeNodes(e,t);for(const n of o)n.parent=null;return o}getNodeByPath(e){let t=this;for(const o of e)t=t.getChild(t.offsetToIndex(o));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 o of e.children)o.name?t.push(Js.fromJSON(o)):t.push(Ks.fromJSON(o))}return new Js(e.name,e.attributes,t)}}class Gs{constructor(e={}){if(!e.boundaries&&!e.startPosition)throw new ba('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 ba('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?Xs.createFromPosition(e.startPosition):Xs.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,o,n,i;do n=this.position,i=this._visitedParent,({done:t,value:o}=this.next());while(!t&&e(o));t||(this.position=n,this._visitedParent=i)}next(){return'forward'==this.direction?this._next():this._previous()}_next(){const e=this.position,t=Xs.createFromPosition(this.position),o=this._visitedParent;if(null===o.parent&&t.offset===o.maxOffset)return{done:!0};if(o===this._boundaryEndParent&&t.offset==this.boundaries.end.offset)return{done:!0};const n=t.textNode?t.textNode:t.nodeAfter;if(n instanceof Js)return this.shallow?t.offset++:(t.path.push(0),this._visitedParent=n),this.position=t,O('elementStart',n,e,t,1);if(n instanceof Ks){let i;if(this.singleCharacters)i=1;else{let e=n.endOffset;this._boundaryEndParent==o&&this.boundaries.end.offset<e&&(e=this.boundaries.end.offset),i=e-t.offset}const r=t.offset-n.startOffset,a=new Us(n,r,i);return t.offset+=i,this.position=t,O('text',a,e,t,i)}return t.path.pop(),t.offset++,this.position=t,this._visitedParent=o.parent,this.ignoreElementEnd?this._next():O('elementEnd',o,e,t)}_previous(){const e=this.position,t=Xs.createFromPosition(this.position),o=this._visitedParent;if(null===o.parent&&0===t.offset)return{done:!0};if(o==this._boundaryStartParent&&t.offset==this.boundaries.start.offset)return{done:!0};const n=t.textNode?t.textNode:t.nodeBefore;if(n instanceof Js)return t.offset--,this.shallow?(this.position=t,O('elementStart',n,e,t,1)):(t.path.push(n.maxOffset),this.position=t,this._visitedParent=n,this.ignoreElementEnd?this._previous():O('elementEnd',n,e,t));if(n instanceof Ks){let i;if(this.singleCharacters)i=1;else{let e=n.startOffset;this._boundaryStartParent==o&&this.boundaries.start.offset>e&&(e=this.boundaries.start.offset),i=t.offset-e}const r=t.offset-n.startOffset,a=new Us(n,r-i,i);return t.offset-=i,this.position=t,O('text',a,e,t,i)}return t.path.pop(),this.position=t,this._visitedParent=o.parent,O('elementStart',o,e,t,1)}}var Ys=function(e){var t=e?e.length:0;return t?e[t-1]:void 0};class Xs{constructor(e,t){if(!e.is('element')&&!e.is('documentFragment'))throw new ba('model-position-root-invalid: Position root invalid.');if(!(t instanceof Array)||0===t.length)throw new ba('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 Ys(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=R(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 o=new Gs(t);return o.skip(e),o.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=R(this.path,e.path),o='string'==typeof t?oa(this.path.length,e.path.length):t;return this.path.slice(0,o)}getCommonAncestor(e){const t=this.getAncestors(),o=e.getAncestors();let n=0;for(;t[n]==o[n]&&t[n];)n++;return 0==n?null:t[n-1]}getShiftedBy(e){const t=Xs.createFromPosition(this),o=t.offset+e;return t.offset=0>o?0:o,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,o=null;const n=this.compareWith(e);switch(n){case'same':return!0;case'before':t=Xs.createFromPosition(this),o=Xs.createFromPosition(e);break;case'after':t=Xs.createFromPosition(e),o=Xs.createFromPosition(this);break;default:return!1;}for(let n=t.parent;t.path.length+o.path.length;){if(t.isEqual(o))return!0;if(t.path.length>o.path.length){if(t.offset!==n.maxOffset)return!1;t.path=t.path.slice(0,-1),n=n.parent,t.offset++}else{if(0!==o.offset)return!1;o.path=o.path.slice(0,-1)}}}_getTransformedByDeletion(e,t){const o=Xs.createFromPosition(this);if(this.root!=e.root)return o;if('same'==R(e.getParentPath(),this.getParentPath())){if(e.offset<this.offset){if(e.offset+t>this.offset)return null;o.offset-=t}}else if('prefix'==R(e.getParentPath(),this.getParentPath())){const n=e.path.length-1;if(e.offset<=this.path[n]){if(e.offset+t>this.path[n])return null;o.path[n]-=t}}return o}_getTransformedByInsertion(e,t,o){const n=Xs.createFromPosition(this);if(this.root!=e.root)return n;if('same'==R(e.getParentPath(),this.getParentPath()))(e.offset<this.offset||e.offset==this.offset&&o)&&(n.offset+=t);else if('prefix'==R(e.getParentPath(),this.getParentPath())){const o=e.path.length-1;e.offset<=this.path[o]&&(n.path[o]+=t)}return n}_getTransformedByMove(e,t,o,n,i){let r=this._getTransformedByDeletion(e,o);return t=t._getTransformedByDeletion(e,o),r=null===r||i&&r.isEqual(e)?this._getCombined(e,t):r._getTransformedByInsertion(t,o,n),r}_getCombined(e,t){const o=e.path.length-1,n=Xs.createFromPosition(t);return n.offset=n.offset+this.path[o]-e.offset,n.path=n.path.concat(this.path.slice(o+1)),n}static createAt(e,t){if(e instanceof Xs)return this.createFromPosition(e);else{const o=e;if('end'==t)t=o.maxOffset;else{if('before'==t)return this.createBefore(o);if('after'==t)return this.createAfter(o);t||(t=0)}return this.createFromParentAndOffset(o,t)}}static createAfter(e){if(!e.parent)throw new ba('model-position-after-root: You cannot make a position after root.',{root:e});return this.createFromParentAndOffset(e.parent,e.endOffset)}static createBefore(e){if(!e.parent)throw new ba('model-position-before-root: You cannot make a position before root.',{root:e});return this.createFromParentAndOffset(e.parent,e.startOffset)}static createFromParentAndOffset(e,t){if(!e.is('element')&&!e.is('documentFragment'))throw new ba('model-position-parent-incorrect: Position parent have to be a element or document fragment.');const o=e.getPath();return o.push(t),new this(e.root,o)}static createFromPosition(e){return new this(e.root,e.path.slice())}static fromJSON(e,t){if('$graveyard'===e.root)return new Xs(t.graveyard,e.path);if(!t.hasRoot(e.root))throw new ba('model-position-fromjson-no-root: Cannot create position for document. Root with specified name does not exist.',{rootName:e.root});return new Xs(t.getRoot(e.root),e.path)}}class Zs{constructor(e,t=null){this.start=Xs.createFromPosition(e),this.end=t?Xs.createFromPosition(t):Xs.createFromPosition(e)}*[Symbol.iterator](){yield*new Gs({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}containsPosition(e){return e.isAfter(this.start)&&e.isBefore(this.end)}containsRange(e,t=!1){e.isCollapsed&&(t=!1);const o=this.containsPosition(e.start)||t&&this.start.isEqual(e.start),n=this.containsPosition(e.end)||t&&this.end.isEqual(e.end);return o&&n}containsItem(e){const t=Xs.createBefore(e);return this.containsPosition(t)||this.start.isEqual(t)}isEqual(e){return this.start.isEqual(e.start)&&this.end.isEqual(e.end)}isIntersecting(e){return this.start.isBefore(e.end)&&this.end.isAfter(e.start)}getDifference(e){const t=[];return this.isIntersecting(e)?(this.containsPosition(e.start)&&t.push(new Zs(this.start,e.start)),this.containsPosition(e.end)&&t.push(new Zs(e.end,this.end))):t.push(Zs.createFromRange(this)),t}getIntersection(e){if(this.isIntersecting(e)){let t=this.start,o=this.end;return this.containsPosition(e.start)&&(t=e.start),this.containsPosition(e.end)&&(o=e.end),new Zs(t,o)}return null}getMinimalFlatRanges(){const e=[],t=this.start.getCommonPath(this.end).length,o=Xs.createFromPosition(this.start);for(let n=o.parent;o.path.length>t+1;){const t=n.maxOffset-o.offset;0!=t&&e.push(new Zs(o,o.getShiftedBy(t))),o.path=o.path.slice(0,-1),o.offset++,n=n.parent}for(;o.path.length<=this.end.path.length;){const t=this.end.path[o.path.length-1],n=t-o.offset;0!=n&&e.push(new Zs(o,o.getShiftedBy(n))),o.offset=t,o.path.push(0)}return e}getWalker(e={}){return e.boundaries=this,new Gs(e)}*getItems(e={}){e.boundaries=this,e.ignoreElementEnd=!0;const t=new Gs(e);for(const o of t)yield 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this.position=Zd.createAfter(o),this._next();n=o.data[e.offset]}else n=o.getChild(e.offset);if(n instanceof Ud)return this.shallow?e.offset++:e=new Zd(n,0),this.position=e,this._formatReturnValue('elementStart',n,t,e,1);if(!(n instanceof $d)){if('string'==typeof n){let n;if(this.singleCharacters)n=1;else{const t=o===this._boundaryEndParent?this.boundaries.end.offset:o.data.length;n=t-e.offset}const i=new Qd(o,e.offset,n);return e.offset+=n,this.position=e,this._formatReturnValue('text',i,t,e,n)}return e=Zd.createAfter(o),this.position=e,this.ignoreElementEnd?this._next():this._formatReturnValue('elementEnd',o,t,e)}if(this.singleCharacters)return e=new Zd(n,0),this.position=e,this._next();else{let o=n.data.length,i=n;return n==this._boundaryEndParent?(o=this.boundaries.end.offset,i=new Qd(n,0,o),e=Zd.createAfter(i)):e.offset++,this.position=e,this._formatReturnValue('text',i,t,e,o)}}_previous(){let e=Zd.createFromPosition(this.position);const t=this.position,o=e.parent;if(null===o.parent&&0===e.offset)return{done:!0};if(o==this._boundaryStartParent&&e.offset==this.boundaries.start.offset)return{done:!0};let n;if(o instanceof $d){if(e.isAtStart)return this.position=Zd.createBefore(o),this._previous();n=o.data[e.offset-1]}else n=o.getChild(e.offset-1);if(n instanceof Ud)return this.shallow?(e.offset--,this.position=e,this._formatReturnValue('elementStart',n,t,e,1)):(e=new Zd(n,n.childCount),this.position=e,this.ignoreElementEnd?this._previous():this._formatReturnValue('elementEnd',n,t,e));if(!(n instanceof $d)){if('string'==typeof n){let n;if(!this.singleCharacters){const t=o===this._boundaryStartParent?this.boundaries.start.offset:0;n=e.offset-t}else n=1;e.offset-=n;const i=new Qd(o,e.offset,n);return this.position=e,this._formatReturnValue('text',i,t,e,n)}return e=Zd.createBefore(o),this.position=e,this._formatReturnValue('elementStart',o,t,e,1)}if(this.singleCharacters)return e=new Zd(n,n.data.length),this.position=e,this._previous();else{let o=n.data.length,i=n;if(n==this._boundaryStartParent){const t=this.boundaries.start.offset;i=new Qd(n,t,n.data.length-t),o=i.data.length,e=Zd.createBefore(i)}else e.offset--;return this.position=e,this._formatReturnValue('text',i,t,e,o)}}_formatReturnValue(e,t,o,n,i){return t instanceof Qd&&(t.offsetInText+t.data.length==t.textNode.data.length&&('forward'!=this.direction||this.boundaries&&this.boundaries.end.isEqual(this.position)?o=Zd.createAfter(t.textNode):(n=Zd.createAfter(t.textNode),this.position=n)),0===t.offsetInText&&('backward'!=this.direction||this.boundaries&&this.boundaries.start.isEqual(this.position)?o=Zd.createBefore(t.textNode):(n=Zd.createBefore(t.textNode),this.position=n))),{done:!1,value:{type:e,item:t,previousPosition:o,nextPosition:n,length:i}}}}class Gd extends Ud{constructor(e,t,o){super(e,t,o),this.getFillerOffset=Q}is(e,t=null){return t?'containerElement'==e&&t==this.name||super.is(e,t):'containerElement'==e||super.is(e)}}const Yd=Symbol('document');class Xd extends Gd{constructor(e,t,o){super(e,t,o),this.set('isReadOnly',!1),this.set('isFocused',!1)}get document(){return this.getCustomProperty(Yd)}set document(e){if(this.getCustomProperty(Yd))throw new ba('view-editableelement-document-already-set: View document is already set.');this.setCustomProperty(Yd,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'})}}s(Xd,Ws);class Zd{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 Xd);)if(e.parent)e=e.parent;else return null;return e}getShiftedBy(e){const t=Zd.createFromPosition(this),o=t.offset+e;return t.offset=0>o?0:o,t}getLastMatchingPosition(e,t={}){t.startPosition=this;const o=new Jd(t);return o.skip(e),o.position}getAncestors(){return this.parent.is('documentFragment')?[this.parent]:this.parent.getAncestors({includeSelf:!0})}getCommonAncestor(e){const t=this.getAncestors(),o=e.getAncestors();let n=0;for(;t[n]==o[n]&&t[n];)n++;return 0==n?null:t[n-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(),o=e.getAncestors(),n=R(t,o);let i;switch(n){case 0:return'different';case'prefix':i=t.length-1;break;case'extension':i=o.length-1;break;default:i=n-1;}const r=t[i],a=t[i+1],s=o[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 Zd)return this.createFromPosition(e);else{const o=e;if('end'==t)t=o.is('text')?o.data.length:o.childCount;else{if('before'==t)return this.createBefore(o);if('after'==t)return this.createAfter(o);t||(t=0)}return new Zd(o,t)}}static createAfter(e){if(e.is('textProxy'))return new Zd(e.textNode,e.offsetInText+e.data.length);if(!e.parent)throw new ba('view-position-after-root: You can not make position after root.',{root:e});return new Zd(e.parent,e.index+1)}static createBefore(e){if(e.is('textProxy'))return new Zd(e.textNode,e.offsetInText);if(!e.parent)throw new ba('view-position-before-root: You can not make position before root.',{root:e});return new Zd(e.parent,e.index)}static createFromPosition(e){return new this(e.parent,e.offset)}}class ec{constructor(e,t=null){this.start=Zd.createFromPosition(e),this.end=t?Zd.createFromPosition(t):Zd.createFromPosition(e)}*[Symbol.iterator](){yield*new Jd({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(J,{direction:'backward'}),t=this.end.getLastMatchingPosition(J);return e.parent.is('text')&&e.isAtStart&&(e=Zd.createBefore(e.parent)),t.parent.is('text')&&t.isAtEnd&&(t=Zd.createAfter(t.parent)),new ec(e,t)}getTrimmed(){let e=this.start.getLastMatchingPosition(J);if(e.isAfter(this.end)||e.isEqual(this.end))return new ec(e,e);let t=this.end.getLastMatchingPosition(J,{direction:'backward'});const o=e.nodeAfter,n=t.nodeBefore;return o&&o.is('text')&&(e=new Zd(o,0)),n&&n.is('text')&&(t=new Zd(n,n.data.length)),new ec(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 o=this.containsPosition(e.start)||t&&this.start.isEqual(e.start),n=this.containsPosition(e.end)||t&&this.end.isEqual(e.end);return o&&n}getDifference(e){const t=[];return this.isIntersecting(e)?(this.containsPosition(e.start)&&t.push(new ec(this.start,e.start)),this.containsPosition(e.end)&&t.push(new ec(e.end,this.end))):t.push(ec.createFromRange(this)),t}getIntersection(e){if(this.isIntersecting(e)){let t=this.start,o=this.end;return this.containsPosition(e.start)&&(t=e.start),this.containsPosition(e.end)&&(o=e.end),new ec(t,o)}return null}getWalker(e={}){return e.boundaries=this,new Jd(e)}getCommonAncestor(){return this.start.getCommonAncestor(this.end)}*getItems(e={}){e.boundaries=this,e.ignoreElementEnd=!0;const t=new Jd(e);for(const o of t)yield o.item}*getPositions(e={}){e.boundaries=this;const t=new Jd(e);yield t.position;for(const o of t)yield o.nextPosition}isIntersecting(e){return this.start.isBefore(e.end)&&this.end.isAfter(e.start)}static createFromParentsAndOffsets(e,t,o,n){return new this(new Zd(e,t),new Zd(o,n))}static createFromRange(e){return new this(e.start,e.end)}static createFromPositionAndShift(e,t){const o=e,n=e.getShiftedBy(t);return 0<t?new this(o,n):new this(n,o)}static createIn(e){return this.createFromParentsAndOffsets(e,0,e,e.childCount)}static createOn(e){return this.createFromPositionAndShift(Zd.createBefore(e),1)}static createCollapsedAt(e,t){const o=Zd.createAt(e,t),n=Zd.createFromPosition(o);return new ec(o,n)}}class tc{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 o=t.viewPosition.parent,n=this._viewToModelMapping.get(o);for(;!n;)o=o.parent,n=this._viewToModelMapping.get(o);const i=this._toModelOffset(t.viewPosition.parent,t.viewPosition.offset,o);t.modelPosition=Xs.createFromParentAndOffset(n,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 Zs(this.toModelPosition(e.start),this.toModelPosition(e.end))}toViewRange(e){return new ec(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,o){if(o!=e){const n=this._toModelOffset(e.parent,e.index,o),i=this._toModelOffset(e,t,e);return n+i}if(e.is('text'))return t;let n=0;for(let r=0;r<t;r++)n+=this.getModelLength(e.getChild(r));return n}_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 o of e.getChildren())t+=this.getModelLength(o);return t}}_findPositionIn(e,t){let o=0,n=0,i=0,r;if(e.is('text'))return new Zd(e,t);for(;n<t;)r=e.getChild(i),o=this.getModelLength(r),n+=o,i++;return n==t?this._moveViewPositionToTextNode(new Zd(e,i)):this._findPositionIn(r,t-(n-o))}_moveViewPositionToTextNode(e){const t=e.nodeBefore,o=e.nodeAfter;if(t instanceof $d)return new Zd(t,t.data.length);return o instanceof $d?new Zd(o,0):e}}s(tc,Va);class oc{constructor(){this._consumable=new Map,this._textProxyRegistry=new Map}add(e,t){e instanceof Us&&(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 Us&&(e=this._getSymbolForTextProxy(e)),!!this.test(e,t)&&(this._consumable.get(e).set(t,!1),!0)}test(e,t){e instanceof Us&&(e=this._getSymbolForTextProxy(e));const o=this._consumable.get(e);if(o===void 0)return null;const n=o.get(t);return void 0===n?null:n}revert(e,t){e instanceof Us&&(e=this._getSymbolForTextProxy(e));const o=this.test(e,t);return!1===o?(this._consumable.get(e).set(t,!0),!0):!0!==o&&null}_getSymbolForTextProxy(e){let t=null;const o=this._textProxyRegistry.get(e.startOffset);if(o){const n=o.get(e.endOffset);n&&(t=n.get(e.parent))}return t||(t=this._addSymbolForTextProxy(e.startOffset,e.endOffset,e.parent)),t}_addSymbolForTextProxy(e,t,o){const n=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(o,n),n}}class nc{constructor(e){this.markers=new Map,this._children=new Qs,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 o of e)t=t.getChild(t.offsetToIndex(o));return t}offsetToIndex(e){return this._children.offsetToIndex(e)}appendChildren(e){this.insertChildren(this.childCount,e)}insertChildren(e,t){t=G(t);for(const o of t)null!==o.parent&&o.remove(),o.parent=this;this._children.insertNodes(e,t)}removeChildren(e,t=1){const o=this._children.removeNodes(e,t);for(const n of o)n.parent=null;return o}toJSON(){const e=[];for(const t of this._children)e.push(t.toJSON());return e}static fromJSON(e){const t=[];for(const o of e)o.name?t.push(Js.fromJSON(o)):t.push(Ks.fromJSON(o));return new nc(t)}}class ic{constructor(e,t={}){this._modelDocument=e,this.conversionApi=Ls({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 o of e){const e=o.item,n=Zs.createFromPositionAndShift(o.previousPosition,o.length),i={item:e,range:n};this._testAndFire('insert',i,t);for(const o of e.getAttributeKeys())i.attributeKey=o,i.attributeOldValue=null,i.attributeNewValue=e.getAttribute(o),this._testAndFire(`addAttribute:${o}`,i,t)}for(const t of this._modelDocument.markers){const o=t.getRange(),n=o.getIntersection(e);n&&Y(e.start,t,this.conversionApi.mapper)&&this.convertMarker('addMarker',t.name,n)}}convertMove(e,t){if(t.start.isBefore(e)){this.convertInsertion(t);const o=e._getTransformedByInsertion(t.start,t.end.offset-t.start.offset);this.convertRemove(o,t)}else this.convertRemove(e,t),this.convertInsertion(t)}convertRemove(e,t){const o=this._createConsumableForRange(t,'remove');for(const n of t.getItems({shallow:!0})){this._testAndFire('remove',{sourcePosition:e,item:n},o)}}convertAttribute(e,t,o,n,i){if(n!=i){const r=this._createConsumableForRange(t,e+':'+o);for(const a of t){const t=a.item,s=Zs.createFromPositionAndShift(a.previousPosition,a.length);this._testAndFire(`${e}:${o}`,{item:t,range:s,attributeKey:o,attributeOldValue:n,attributeNewValue:i},r)}}}convertRename(e,t){if(e.name!=t){const o=e.clone(!0);o.name=t,this.conversionApi.mapper.bindElements(o,this.conversionApi.mapper.toViewElement(e));const n=new nc;n.appendChildren(o),this.convertRemove(Xs.createBefore(e),Zs.createOn(o)),this.convertInsertion(Zs.createOn(e))}}convertSelection(e){const t=Array.from(this._modelDocument.markers.getMarkersAtPosition(e.getFirstPosition())),o=this._createSelectionConsumable(e,t);this.fire('selection',{selection:e},o,this.conversionApi);for(const n of t){const t=n.getRange();if(!Y(e.getFirstPosition(),n,this.conversionApi.mapper))continue;const i={selection:e,markerName:n.name,markerRange:t};o.test(e,'selectionMarker:'+n.name)&&this.fire('selectionMarker:'+n.name,i,o,this.conversionApi)}for(const t of e.getAttributeKeys()){const n={selection:e,key:t,value:e.getAttribute(t)};o.test(e,'selectionAttribute:'+n.key)&&this.fire('selectionAttribute:'+n.key,n,o,this.conversionApi)}}convertMarker(e,t,o){if(o.root.document&&'$graveyard'!=o.root.rootName){const n=e+':'+t;if(o.isCollapsed){const e=new oc;return e.add(o,n),void this.fire(n,{markerName:t,markerRange:o},e,this.conversionApi)}const i=this._createConsumableForRange(o,n);for(const e of o){const r=e.item;if(!i.test(r,n))continue;const a={item:r,range:Zs.createFromPositionAndShift(e.previousPosition,e.length),markerName:t,markerRange:o};this.fire(n,a,i,this.conversionApi)}}}_createInsertConsumable(e){const t=new oc;for(const o of e){const e=o.item;t.add(e,'insert');for(const o of e.getAttributeKeys())t.add(e,'addAttribute:'+o)}return t}_createConsumableForRange(e,t){const o=new oc;for(const n of e.getItems())o.add(n,t);return o}_createSelectionConsumable(e,t){const o=new oc;o.add(e,'selection');for(const n of t)o.add(e,'selectionMarker:'+n.name);for(const n of e.getAttributeKeys())o.add(e,'selectionAttribute:'+n);return o}_testAndFire(e,t,o){if(o.test(t.item,e)){const n=t.item.name||'$text';this.fire(e+':'+n,t,o,this.conversionApi)}}}s(ic,Va);const rc=10;class ac extends Ud{constructor(e,t,o){super(e,t,o),this.priority=rc,this.getFillerOffset=X}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}}ac.DEFAULT_PRIORITY=rc;class sc extends Ud{constructor(e,t,o){super(e,t,o),this.getFillerOffset=ee}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 Wd||0<Array.from(t).length))throw new ba('view-emptyelement-cannot-add: Cannot add child nodes to EmptyElement instance.')}}const lc=navigator.userAgent.toLowerCase(),dc={mac:function(e){return-1<e.indexOf('macintosh')}(lc)};var cc=dc;const uc={"⌘":'ctrl',"⇧":'shift',"⌥":'alt'},mc={ctrl:'\u2318',shift:'\u21E7',alt:'\u2325'},pc=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 o=String.fromCharCode(t);e[o.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 gc extends Ud{constructor(e,t,o){super(e,t,o),this.getFillerOffset=ae}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 Wd||0<Array.from(t).length))throw new ba('view-uielement-cannot-add: Cannot add child nodes to UIElement instance.')}render(e){const t=e.createElement(this.name);for(const o of this.getAttributeKeys())t.setAttribute(o,this.getAttribute(o));return t}}class fc{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 o=0;t=le(t);for(const n of t)null!==n.parent&&n.remove(),n.parent=this,this._children.splice(e,0,n),e++,o++;return o}removeChildren(e,t=1){this._fireChange('children',this);for(let o=e;o<e+t;o++)this._children[o].parent=null;return this._children.splice(e,t)}_fireChange(e,t){this.fire('change:'+e,t)}}s(fc,Va);var hc={breakAttributes:function(e){return e instanceof Zd?he(e):fe(e)},breakContainer:function(e){const t=e.parent;if(!t.is('containerElement'))throw new ba('view-writer-break-non-container-element: Trying to break an element which is not a container element.');if(!t.parent)throw new ba('view-writer-break-root: Trying to break root element.');if(e.isAtStart)return Zd.createBefore(t);if(!e.isAtEnd){const o=t.clone(!1);ce(Zd.createAfter(t),o);const n=new ec(e,Zd.createAt(t,'end')),i=new Zd(o,0);me(n,i)}return Zd.createAfter(t)},mergeAttributes:de,mergeContainers:function(e){const t=e.nodeBefore,o=e.nodeAfter;if(!t||!o||!t.is('containerElement')||!o.is('containerElement'))throw new ba('view-writer-merge-containers-invalid-position: Element before and after given position cannot be merged.');const n=t.getChild(t.childCount-1),i=n instanceof $d?Zd.createAt(n,'end'):Zd.createAt(t,'end');return me(ec.createIn(o),Zd.createAt(t,'end')),ue(ec.createOn(o)),i},insert:ce,remove:ue,clear:function(e,t){Ee(e);const o=e.getWalker({direction:'backward',ignoreElementEnd:!0});for(const n of o){const o=n.item;let i;if(o.is('element')&&t.isSimilar(o))i=ec.createOn(o);else if(!n.nextPosition.isAfter(e.start)&&(o.is('text')||o.is('textProxy'))){const e=o.getAncestors().find((e)=>e.is('element')&&t.isSimilar(e));e&&(i=ec.createIn(e))}i&&(i.end.isAfter(e.end)&&(i.end=e.end),i.start.isBefore(e.start)&&(i.start=e.start),ue(i))}},move:me,wrap:pe,wrapPosition:function(e,t){if(!(t instanceof ac))throw new ba('view-writer-wrap-invalid-attribute');if(t.isSimilar(e.parent))return ve(Zd.createFromPosition(e));e.parent.is('text')&&(e=we(e));const o=new ac;o.priority=ta,o.isSimilar=()=>!1,e.parent.insertChildren(e.offset,o);const n=new ec(e,e.getShiftedBy(1));pe(n,t);const i=new Zd(o.parent,o.index);o.remove();const r=i.nodeBefore,a=i.nodeAfter;return r instanceof $d&&a instanceof $d?ye(r,a):ve(i)},unwrap:function(e,t){if(!(t instanceof ac))throw new ba('view-writer-unwrap-invalid-attribute');if(Ee(e),e.isCollapsed)return e;if(e.end.isEqual(e.start.getShiftedBy(1))){const o=e.start.nodeAfter;if(!t.isSimilar(o)&&o instanceof ac&&Ae(t,o))return e}const{start:o,end:n}=fe(e,!0),i=o.parent,r=be(i,o.offset,n.offset,t),a=de(r.start);a.isEqual(r.start)||r.end.offset--;const s=de(r.end);return new ec(a,s)},rename:function(e,t){const o=new Gd(t,e.getAttributes());return ce(Zd.createAfter(e),o),me(ec.createIn(e),Zd.createAt(o)),ue(ec.createOn(e)),o}};const bc=[$d,ac,Gd,sc,gc];class kc extends ac{isSimilar(e){return!!e.is('attributeElement')&&this.getCustomProperty('highlightDescriptorId')===e.getCustomProperty('highlightDescriptorId')}}class _c{constructor(){this._consumables=new Map}add(e,t){let o;return e.is('text')||e.is('documentFragment')?void this._consumables.set(e,!0):void(this._consumables.has(e)?o=this._consumables.get(e):(o=new vc,this._consumables.set(e,o)),o.add(t))}test(e,t){const o=this._consumables.get(e);return void 0===o?null:e.is('text')||e.is('documentFragment')?o:o.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 o=this._consumables.get(e);o!==void 0&&(e.is('text')||e.is('documentFragment')?this._consumables.set(e,!0):o.revert(t))}static consumablesFromElement(e){const t={name:!0,attribute:[],class:[],style:[]},o=e.getAttributeKeys();for(const n of o)'style'!=n&&'class'!=n&&t.attribute.push(n);const n=e.getClassNames();for(const o of n)t.class.push(o);const i=e.getStyleNames();for(const o of i)t.style.push(o);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 o of e.getChildren())t=_c.createFrom(o,t);return t}}class vc{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 o=this._test(t,e[t]);if(!0!==o)return o}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 o=Ps(t)?t:[t],n=this._consumables[e];for(const i of o){if('attribute'===e&&('class'===i||'style'===i))throw new ba('viewconsumable-invalid-attribute: Classes and styles should be handled separately.');n.set(i,!0)}}_test(e,t){const o=Ps(t)?t:[t],n=this._consumables[e];for(const i of o)if('attribute'===e&&('class'===i||'style'===i)){const e=this._test(i,[...this._consumables[i].keys()]);if(!0!==e)return e}else{const e=n.get(i);if(e===void 0)return null;if(!e)return!1}return!0}_consume(e,t){const o=Ps(t)?t:[t],n=this._consumables[e];for(const i of o)'attribute'===e&&('class'===i||'style'===i)?this._consume(i,[...this._consumables[i].keys()]):n.set(i,!1)}_revert(e,t){const o=Ps(t)?t:[t],n=this._consumables[e];for(const i of o)if('attribute'===e&&('class'===i||'style'===i))this._revert(i,[...this._consumables[i].keys()]);else{const e=n.get(i);!1===e&&n.set(i,!0)}}}class wc{constructor(e={}){this.conversionApi=Object.assign({},e),this.conversionApi.convertItem=this._convertItem.bind(this),this.conversionApi.convertChildren=this._convertChildren.bind(this),this.conversionApi.batch=null}convert(e,t,o){this.conversionApi.batch=t,this.fire('viewCleanup',e);const n=_c.createFrom(e);let i=this._convertItem(e,n,o);if(!i)return t.createDocumentFragment();if(!i.is('documentFragment')){const e=t.createDocumentFragment();t.append(i,e),i=e}return i.markers=He(i,t),i}_convertItem(e,t,o={}){const n=Object.assign({},o,{input:e,output:null});return e.is('element')?this.fire('element:'+e.name,n,t,this.conversionApi):e.is('text')?this.fire('text',n,t,this.conversionApi):this.fire('documentFragment',n,t,this.conversionApi),n.output&&!(n.output instanceof $s||n.output instanceof nc)?(_a.warn('view-conversion-dispatcher-incorrect-result: Incorrect conversion result was dropped.',[e,n.output]),null):n.output}_convertChildren(e,t,o){const n=this.conversionApi.batch,i=n.createDocumentFragment();for(const r of Array.from(e.getChildren())){const e=this._convertItem(r,t,o);(e instanceof $s||e instanceof nc)&&n.append(e,i)}return i}}s(wc,Va);class yc extends Xs{constructor(e,t,o){if(super(e,t),!this.root.is('rootElement'))throw new ba('model-liveposition-root-not-rootelement: LivePosition\'s root has to be an instance of RootElement.');this.stickiness=o||'sticksToNext',Ke.call(this)}detach(){this.stopListening()}}s(yc,Va);class xc{constructor(e,t,o){this.dataController=e,this.batch=t,this.position=o,this.canMergeWith=new Set([this.position.parent]),this.schema=e.model.schema}handleNodes(e,t){e=Array.from(e);for(let o=0;o<e.length;o++){const n=e[o];this._handleNode(n,{isFirst:0===o&&t.isFirst,isLast:o===e.length-1&&t.isLast})}}getSelectionRange(){return this.nodeToSelect?Zs.createOn(this.nodeToSelect):this.dataController.model.getNearestSelectionRange(this.position)}_handleNode(e,t){if(this._checkIsObject(e))return void this._handleObject(e,t);const o=this._checkAndSplitToAllowedPosition(e,t);return o?void(this._insert(e),this._mergeSiblingsOf(e,t)):void this._handleDisallowedNode(e,t)}_handleObject(e,t){this._checkAndSplitToAllowedPosition(e)?this._insert(e):this._tryAutoparagraphing(e,t)}_handleDisallowedNode(e,t){e.is('element')?this.handleNodes(e.getChildren(),t):this.schema.check({name:'$text',inside:this.position})?(this.schema.removeDisallowedAttributes([e],this.position,this.batch),this._handleNode(e,t)):this._tryAutoparagraphing(e,t)}_insert(e){if(!this._checkIsAllowed(e,this.position))return void _a.error('insertcontent-wrong-position: The node cannot be inserted on the given position.',{node:e,position:this.position});const t=yc.createFromPosition(this.position);this.batch.insert(e,this.position),this.position=Xs.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 Js){const o=t.isFirst&&e.previousSibling instanceof Js&&this.canMergeWith.has(e.previousSibling),n=t.isLast&&e.nextSibling instanceof Js&&this.canMergeWith.has(e.nextSibling),i=yc.createBefore(e),r=yc.createAfter(e);if(o){const e=yc.createFromPosition(this.position);this.batch.merge(i);const t=e.nodeBefore;this.schema.removeDisallowedAttributes(t.getChildren(),Xs.createAt(t),this.batch),this.position=Xs.createFromPosition(e),e.detach()}if(n){this.position.isEqual(r)||_a.error('insertcontent-wrong-position-on-merge: The insertion position should equal the merge position'),this.position=Xs.createAt(r.nodeBefore,'end');const e=new yc(this.position.root,this.position.path,'sticksToPrevious');this.batch.merge(r),this.schema.removeDisallowedAttributes(e.parent.getChildren(),e,this.batch),this.position=Xs.createFromPosition(e),e.detach()}i.detach(),r.detach(),o||n||this.schema.removeDisallowedAttributes(e.getChildren(),Xs.createAt(e),this.batch)}}_tryAutoparagraphing(e,t){const o=this.batch.createElement('paragraph');this._getAllowedIn(o,this.position.parent)&&(e.is('text')&&!this._checkIsAllowed(e,[o])&&this.schema.removeDisallowedAttributes([e],[o],this.batch),this._checkIsAllowed(e,[o])&&(o.appendChildren(e),this._handleNode(o,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=Xs.createBefore(e),e.isEmpty&&this.batch.remove(e)}else if(this.position.isAtEnd)this.position=Xs.createAfter(this.position.parent);else{const e=Xs.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:Je(e),attributes:Array.from(e.getAttributeKeys()),inside:t})}_checkIsObject(e){return this.schema.objects.has(Je(e))}}class Ac{constructor(e,t){this.model=e,this.processor=t,this.mapper=new tc,this.modelToView=new ic(this.model,{mapper:this.mapper}),this.modelToView.on('insert:$text',Ve(),{priority:'lowest'}),this.viewToModel=new wc({schema:e.schema}),this.viewToModel.on('text',$e(),{priority:'lowest'}),this.viewToModel.on('element',We(),{priority:'lowest'}),this.viewToModel.on('documentFragment',We(),{priority:'lowest'}),['insertContent','deleteContent','modifySelection','getSelectedContent'].forEach((e)=>this.decorate(e))}get(e='main'){return this.stringify(this.model.getRoot(e))}stringify(e){const t=this.toView(e);return this.processor.toData(t)}toView(e){const t=Zs.createIn(e),o=new fc;return this.mapper.bindElements(e,o),this.modelToView.convertInsertion(t),this.mapper.clearBindings(),o}set(e,t='main'){const o=this.model.getRoot(t);this.model.enqueueChanges(()=>{this.model.selection.removeAllRanges(),this.model.selection.clearAttributes();const t=this.model.batch('transparent');t.remove(Zs.createIn(o)),t.insert(this.parse(e,t),o)})}parse(e,t,o='$root'){const n=this.processor.toView(e);return this.toModel(n,t,o)}toModel(e,t,o='$root'){return this.viewToModel.convert(e,t,{context:[o]})}destroy(){}insertContent(e,t,o){Qe(this,e,t,o)}deleteContent(e,t,o){Ge(e,t,o)}modifySelection(e,t){dt(this,e,t)}getSelectedContent(e,t){return pt(e,t)}hasContent(e){if(e instanceof Js&&(e=Zs.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}}s(Ac,Ws);class Cc{constructor(e){this.baseVersion=e}toJSON(){const e=Hd(this,!0);return e.__className=this.constructor.className,delete e.delta,delete e.isDocumentOperation,e}static get className(){return'engine.model.operation.Operation'}static fromJSON(e){return new this(e.baseVersion)}}xt.prototype.add=xt.prototype.push=function(e){return this.__data__.set(e,'__lodash_hash_undefined__'),this},xt.prototype.has=function(e){return this.__data__.has(e)};var Tc=xt,Pc=function(e,t){for(var o=-1,n=e.length;++o<n;)if(t(e[o],o,e))return!0;return!1},Ec=function(e,t,o,n,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,u=!0,m=i&1?new Tc:void 0;for(r.set(e,t);++c<s;){var p=e[c],g=t[c];if(n)var f=a?n(g,p,c,t,e,r):n(p,g,c,e,t,r);if(void 0!==f){if(f)continue;u=!1;break}if(m){if(!Pc(t,function(e,t){if(!m.has(t)&&(p===e||o(p,e,n,i,r)))return m.add(t)})){u=!1;break}}else if(!(p===g||o(p,g,n,i,r))){u=!1;break}}return r['delete'](e),u},Sc=Pd?Pd.prototype:void 0,Vc=Sc?Sc.valueOf:void 0,Oc=function(e,t,o,n,i,r,a){switch(o){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&&n(new gd(e),new gd(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=_d;case'[object Set]':var l=r&2;if(s||(s=Ad),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),n,i,r,a));case'[object Symbol]':if(Vc)return Vc.call(e)==Vc.call(t);}return!1},Rc=function(e,t,o,n,i,r){var a=i&2,s=Fl(e),l=s.length,d=Fl(t),c=d.length;if(l!=c&&!a)return!1;for(var u=l,m;u--;)if(m=s[u],a?!(m in t):!Vl(t,m))return!1;var p=r.get(e);if(p)return p==t;var g=!0;r.set(e,t);for(var f=a;++u<l;){m=s[u];var h=e[m],b=t[m];if(n)var k=a?n(b,h,m,t,e,r):n(h,b,m,e,t,r);if(void 0===k?!(h===b||o(h,b,n,i,r)):!k){g=!1;break}f||(f='constructor'==m)}if(g&&!f){var _=e.constructor,v=t.constructor;_!=v&&'constructor'in e&&'constructor'in t&&!('function'==typeof _&&_ instanceof _&&'function'==typeof v&&v instanceof v)&&(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 la(e)&&qa(e.length)&&!!Fc[Ic.call(e)]},Mc='[object Arguments]',Dc='[object Array]',Lc='[object Object]',zc=Object.prototype,jc=zc.hasOwnProperty,qc=function(e,t,o,n,i,r){var a=Ps(e),s=Ps(t),l=Dc,d=Dc;a||(l=dd(e),l=l==Mc?Lc:l),s||(d=dd(t),d=d==Mc?Lc:d);var c=l==Lc&&!sa(e),u=d==Lc&&!sa(t),m=l==d;if(m&&!c)return r||(r=new Tl),a||Bc(e)?Ec(e,t,o,n,i,r):Oc(e,t,l,o,n,i,r);if(!(i&2)){var p=c&&jc.call(e,'__wrapped__'),g=u&&jc.call(t,'__wrapped__');if(p||g){var f=p?e.value():e,h=g?t.value():t;return r||(r=new Tl),o(f,h,n,i,r)}}return!!m&&(r||(r=new Tl),Rc(e,t,o,n,i,r))},Hc=At,Wc=function(e,t){return Hc(e,t)};class $c extends Cc{constructor(e,t,o,n,i){super(i),this.range=Zs.createFromRange(e),this.key=t,this.oldValue=o===void 0?null:o,this.newValue=n===void 0?null:n,this.isDocumentOperation=!!this.range.root.document}get type(){return null===this.oldValue?'addAttribute':null===this.newValue?'removeAttribute':'changeAttribute'}clone(){return new $c(this.range,this.key,this.oldValue,this.newValue,this.baseVersion)}getReversed(){return new $c(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 ba('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 ba('attribute-operation-attribute-exists: The attribute with given key already exists.',{node:e,key:this.key})}return Wc(this.oldValue,this.newValue)||kt(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 $c(Zs.fromJSON(e.range,t),e.key,e.oldValue,e.newValue,e.baseVersion)}}class Kc extends Cc{constructor(e,t,o,n){super(n),this.sourcePosition=Xs.createFromPosition(e),this.howMany=t,this.targetPosition=Xs.createFromPosition(o),this.isSticky=!1,this.isDocumentOperation=!!this.targetPosition.root.document}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,o=this.sourcePosition.offset,n=this.targetPosition.offset;if(!e||!t)throw new ba('move-operation-position-invalid: Source position or target position is invalid.');else if(o+this.howMany>e.maxOffset)throw new ba('move-operation-nodes-do-not-exist: The nodes which should be moved do not exist.');else if(e===t&&o<n&&n<o+this.howMany)throw new ba('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'==R(this.sourcePosition.getParentPath(),this.targetPosition.getParentPath())){const e=this.sourcePosition.path.length-1;if(this.targetPosition.path[e]>=o&&this.targetPosition.path[e]<o+this.howMany)throw new ba('move-operation-node-into-itself: Trying to move a range of nodes into one of nodes from that range.')}const i=bt(Zs.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 o=Xs.fromJSON(e.sourcePosition,t),n=Xs.fromJSON(e.targetPosition,t),i=new this(o,e.howMany,n,e.baseVersion);return e.isSticky&&(i.isSticky=!0),i}}class Uc extends Kc{constructor(e,t,o,n){super(e,t,o,n),this.isDocumentOperation=!0}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)}_execute(){if(!this.sourcePosition.root.document)throw new ba('reinsert-operation-on-detached-item: Cannot reinsert detached item.');if(!this.targetPosition.root.document)throw new ba('reinsert-operation-to-detached-parent: Cannot reinsert item to detached parent.');return super._execute()}static get className(){return'engine.model.operation.ReinsertOperation'}}class Qc extends Kc{constructor(e,t,o,n){super(e,t,o,n),this.isDocumentOperation=!0}get type(){return'remove'}getReversed(){const e=this.sourcePosition._getTransformedByInsertion(this.targetPosition,this.howMany);return new Uc(this.getMovedRangeStart(),this.howMany,e,this.baseVersion+1)}_execute(){if(!this.sourcePosition.root.document)throw new ba('remove-operation-on-detached-item: Cannot remove detached item.');return super._execute()}static get className(){return'engine.model.operation.RemoveOperation'}}class Jc extends Cc{constructor(e,t,o){super(o),this.position=Xs.createFromPosition(e),this.nodes=new Qs(_t(t)),this.isDocumentOperation=!!this.position.root.document}get type(){return'insert'}clone(){const e=new Qs([...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 Xs(e,[0]);return new Qc(this.position,this.nodes.maxOffset,t,this.baseVersion+1)}_execute(){const e=this.nodes;this.nodes=new Qs([...e].map((e)=>e.clone(!0)));const t=ft(this.position,e);return{range:t}}static get className(){return'engine.model.operation.InsertOperation'}static fromJSON(e,t){const o=[];for(const n of e.nodes)n.name?o.push(Js.fromJSON(n)):o.push(Ks.fromJSON(n));return new Jc(Xs.fromJSON(e.position,t),o,e.baseVersion)}}class Gc extends Cc{constructor(e,t,o,n,i){super(i),this.name=e,this.oldRange=t?Zs.createFromRange(t):null,this.newRange=o?Zs.createFromRange(o):null,this._markers=n,this.isDocumentOperation=this._isDocumentOperation()}get type(){return'marker'}_isDocumentOperation(){return this.newRange?!!this.newRange.root.document:!this.oldRange||!!this.oldRange.root.document}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?Zs.fromJSON(e.oldRange,t):null,e.newRange?Zs.fromJSON(e.newRange,t):null,t.markers,e.baseVersion)}}class Yc extends Cc{constructor(e){super(e),this.isDocumentOperation=!0}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,o,n){super(n),this.position=e,this.oldName=t,this.newName=o,this.isDocumentOperation=!!this.position.root.document}get type(){return'rename'}clone(){return new Xc(Xs.createFromPosition(this.position),this.oldName,this.newName,this.baseVersion)}getReversed(){return new Xc(Xs.createFromPosition(this.position),this.newName,this.oldName,this.baseVersion+1)}_execute(){const e=this.position.nodeAfter;if(!(e instanceof Js))throw new ba('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 ba('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(Xs.fromJSON(e.position,t),e.oldName,e.newName,e.baseVersion)}}class Zc extends Cc{constructor(e,t,o,n,i){super(i),this.root=e,this.key=t,this.oldValue=o,this.newValue=n,this.isDocumentOperation=!!this.root.document}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 ba('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 ba('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 ba('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 eu={};eu[$c.className]=$c,eu[Jc.className]=Jc,eu[Gc.className]=Gc,eu[Kc.className]=Kc,eu[Yc.className]=Yc,eu[Cc.className]=Cc,eu[Uc.className]=Uc,eu[Qc.className]=Qc,eu[Xc.className]=Xc,eu[Zc.className]=Zc;class tu{static fromJSON(e,t){return eu[e.__className].fromJSON(e,t)}}const ou=new Map;class nu{static fromJSON(e,t){if(!ou.has(e.__className))throw new ba('delta-fromjson-no-deserializer: This delta has no defined deserializer',{name:e.__className});const o=ou.get(e.__className),n=new o;for(const o of e.operations)n.addOperation(tu.fromJSON(o,t));for(const o in e)'__className'!=o&&void 0===n[o]&&(n[o]=e[o]);return n}static register(e){ou.set(e.className,e)}}class iu{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 iu}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=Hd(this);return e.__className=this.constructor.className,delete e.batch,e}static get className(){return'engine.model.delta.Delta'}}nu.register(iu);class ru extends iu{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 o of this.operations)o instanceof Yc||((null==e||e.isAfter(o.range.start))&&(e=o.range.start),(null==t||t.isBefore(o.range.end))&&(t=o.range.end));return e&&t?(this._range=new Zs(e,t),this._range):null}get _reverseDeltaClass(){return ru}toJSON(){const e=super.toJSON();return delete e._range,e}static get className(){return'engine.model.delta.AttributeDelta'}}nu.register(ru);class au extends iu{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 Kc?this.operations[1]:null}get _reverseDeltaClass(){return su}static get className(){return'engine.model.delta.SplitDelta'}}nu.register(au);class su extends iu{get type(){return'merge'}get position(){return this._removeOperation?this._removeOperation.sourcePosition:null}get _removeOperation(){return this.operations[1]||null}get _reverseDeltaClass(){return au}static get className(){return'engine.model.delta.MergeDelta'}}nu.register(su);class lu extends iu{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 lu}static get className(){return'engine.model.delta.MoveDelta'}}nu.register(lu);class du extends lu{static get className(){return'engine.model.delta.RemoveDelta'}}nu.register(du);class cu extends iu{get type(){return'rename'}get _reverseDeltaClass(){return cu}static get className(){return'engine.model.delta.RenameDelta'}}nu.register(cu);class uu extends iu{get type(){return'wrap'}get range(){const e=this._moveOperation;return e?Zs.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 mu}static get className(){return'engine.model.delta.WrapDelta'}}nu.register(uu);class mu extends iu{get type(){return'unwrap'}get position(){return this._moveOperation?this._moveOperation.targetPosition:null}get _moveOperation(){return this.operations[0]||null}get _reverseDeltaClass(){return uu}static get className(){return'engine.model.delta.UnwrapDelta'}}nu.register(mu);class pu extends iu{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 du}static get className(){return'engine.model.delta.InsertDelta'}}nu.register(pu);class gu extends pu{static get className(){return'engine.model.delta.WeakInsertDelta'}}nu.register(gu);var fu=function(e,t,o={isStrong:!1}){let n,i;e instanceof Jc?n=hu.InsertOperation:e instanceof $c?n=hu.AttributeOperation:e instanceof Zc?n=hu.RootAttributeOperation:e instanceof Xc?n=hu.RenameOperation:e instanceof Gc?n=hu.MarkerOperation:e instanceof Kc?n=hu.MoveOperation:i=Ct,n&&(t instanceof Jc?i=n.InsertOperation:t instanceof $c?i=n.AttributeOperation:t instanceof Zc?i=n.RootAttributeOperation:t instanceof Xc?i=n.RenameOperation:t instanceof Gc?i=n.MarkerOperation:t instanceof Kc?i=n.MoveOperation:i=Ct);const r=i(e,t,o);return Tt(e.baseVersion,r)};const hu={InsertOperation:{InsertOperation(e,t,o){const n=e.clone(),i=void 0===o.insertBefore?!o.isStrong:o.insertBefore;return n.position=n.position._getTransformedByInsertion(t.position,t.nodes.maxOffset,i),[n]},AttributeOperation:Ct,RootAttributeOperation:Ct,RenameOperation:Ct,MarkerOperation:Ct,MoveOperation(e,t,o){const n=e.clone(),i=void 0===o.insertBefore?!o.isStrong:o.insertBefore;return n.position=e.position._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany,i,t.isSticky&&!o.forceNotSticky),[n]}},AttributeOperation:{InsertOperation(e,t){const o=e.range._getTransformedByInsertion(t.position,t.nodes.maxOffset,!0,!1);return o.reverse().map((t)=>new $c(t,e.key,e.oldValue,e.newValue,e.baseVersion))},AttributeOperation(e,t,o){if(e.key===t.key){const n=e.range.getDifference(t.range).map((t)=>new $c(t,e.key,e.oldValue,e.newValue,e.baseVersion)),i=e.range.getIntersection(t.range);return i&&(o.isStrong?n.push(new $c(i,t.key,t.newValue,e.newValue,e.baseVersion)):0===n.length&&n.push(new Yc(0))),n}return[e.clone()]},RootAttributeOperation:Ct,RenameOperation:Ct,MarkerOperation:Ct,MoveOperation(e,t){const o=Zs.createFromPositionAndShift(t.sourcePosition,t.howMany);let n=[];const i=Et(e.range.getDifference(o)),r=e.range.getIntersection(o);return null!==i&&(i.start=i.start._getTransformedByDeletion(t.sourcePosition,t.howMany),i.end=i.end._getTransformedByDeletion(t.sourcePosition,t.howMany),n=i._getTransformedByInsertion(t.getMovedRangeStart(),t.howMany,!0,!1).reverse()),null!==r&&(r.start=r.start._getCombined(t.sourcePosition,t.getMovedRangeStart()),r.end=r.end._getCombined(t.sourcePosition,t.getMovedRangeStart()),n.push(r)),n.map((t)=>new $c(t,e.key,e.oldValue,e.newValue,e.baseVersion))}},RootAttributeOperation:{InsertOperation:Ct,AttributeOperation:Ct,RootAttributeOperation(e,t,o){return e.root!==t.root||e.key!==t.key||(e.newValue===t.newValue||o.isStrong)&&e.newValue!==t.newValue?[e.clone()]:[new Yc(e.baseVersion)]},RenameOperation:Ct,MarkerOperation:Ct,MoveOperation:Ct},RenameOperation:{InsertOperation(e,t){const o=e.clone();return o.position=o.position._getTransformedByInsertion(t.position,t.nodes.maxOffset,!0),[o]},AttributeOperation:Ct,RootAttributeOperation:Ct,RenameOperation(e,t,o){const n=e.clone();if(e.position.isEqual(t.position))if(o.isStrong)n.oldName=t.newName;else return[new Yc(e.baseVersion)];return[n]},MarkerOperation:Ct,MoveOperation(e,t){const o=e.clone(),n=o.position.isEqual(t.sourcePosition);return o.position=o.position._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany,!0,n),[o]}},MarkerOperation:{InsertOperation(e,t){const o=e.clone();return o.oldRange&&(o.oldRange=o.oldRange._getTransformedByInsertion(t.position,t.nodes.maxOffset,!1,!1)[0]),o.newRange&&(o.newRange=o.newRange._getTransformedByInsertion(t.position,t.nodes.maxOffset,!1,!1)[0]),[o]},AttributeOperation:Ct,RootAttributeOperation:Ct,RenameOperation:Ct,MarkerOperation(e,t,o){const n=e.clone();if(e.name==t.name)if(o.isStrong)n.oldRange=t.newRange;else return[new Yc(e.baseVersion)];return[n]},MoveOperation(e,t){const o=e.clone();if(o.oldRange){const e=o.oldRange._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany);o.oldRange=Zs.createFromRanges(e)}if(o.newRange){const e=o.newRange._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany);o.newRange=Zs.createFromRanges(e)}return[o]}},MoveOperation:{InsertOperation(e,t,o){let n=Zs.createFromPositionAndShift(e.sourcePosition,e.howMany);const i=e.isSticky&&!o.forceNotSticky;n=n._getTransformedByInsertion(t.position,t.nodes.maxOffset,!1,i)[0];const r=void 0===o.insertBefore?!o.isStrong:o.insertBefore,a=new e.constructor(n.start,n.end.offset-n.start.offset,e.targetPosition._getTransformedByInsertion(t.position,t.nodes.maxOffset,r),e.baseVersion);return a.isSticky=e.isSticky,[a]},AttributeOperation:Ct,RootAttributeOperation:Ct,RenameOperation:Ct,MarkerOperation:Ct,MoveOperation(e,t,o){const n=Zs.createFromPositionAndShift(e.sourcePosition,e.howMany),i=Zs.createFromPositionAndShift(t.sourcePosition,t.howMany);let r=o.isStrong;const a=e.isSticky&&!o.forceNotSticky,s=void 0===o.insertBefore?!r:o.insertBefore,l=e.targetPosition._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany,s,t.isSticky&&!o.forceNotSticky);if(Pt(e,t)&&Pt(t,e))return[t.getReversed()];const d=n.containsPosition(t.targetPosition)||n.start.isEqual(t.targetPosition)&&a||n.end.isEqual(t.targetPosition)&&a;if(d&&n.containsRange(i,!0))return n.start=n.start._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany,!a),n.end=n.end._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany,a),St([n],l,e);const c=i.containsPosition(e.targetPosition)||i.start.isEqual(e.targetPosition)&&t.isSticky&&!o.forceNotSticky||i.end.isEqual(e.targetPosition)&&t.isSticky&&!o.forceNotSticky;if(c&&i.containsRange(n,!0))return n.start=n.start._getCombined(t.sourcePosition,t.getMovedRangeStart()),n.end=n.end._getCombined(t.sourcePosition,t.getMovedRangeStart()),St([n],l,e);const u=R(e.sourcePosition.getParentPath(),t.sourcePosition.getParentPath());if('prefix'==u||'extension'==u)return n.start=n.start._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany,!a),n.end=n.end._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany,a),St([n],l,e);o.forceWeakRemove||(e instanceof Qc&&!(t instanceof Qc)?r=!0:!(e instanceof Qc)&&t instanceof Qc&&(r=!1));const m=[],p=n.getDifference(i);for(const n of p){n.start=n.start._getTransformedByDeletion(t.sourcePosition,t.howMany),n.end=n.end._getTransformedByDeletion(t.sourcePosition,t.howMany);const e='same'==R(n.start.getParentPath(),t.getMovedRangeStart().getParentPath()),o=n._getTransformedByInsertion(t.getMovedRangeStart(),t.howMany,e,a);m.push(...o)}const g=n.getIntersection(i);return 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i=sp.transform(e[t],o[n],{insertBefore:a.insertBefore,forceNotSticky:a.forceNotSticky,isStrong:a.isStrong,forceWeakRemove:a.forceWeakRemove,undoMode:a.undoMode}),s=sp.transform(o[n],e[t],{insertBefore:!a.insertBefore,forceNotSticky:a.forceNotSticky,isStrong:!a.isStrong,forceWeakRemove:a.forceWeakRemove,undoMode:a.undoMode});if(r){qt(e[t],i,a);const r=a.originalDelta.get(o[n]);for(const e of s)a.originalDelta.set(e,r)}e.splice(t,1,...i),t+=i.length-1,o.splice(n,1,...s),n+=s.length-1}i.splice(t,1,...o),t+=o.length-1}n.splice(s,1,...e),s+=e.length-1}const s=Nt(n)-Nt(e),l=Nt(i)-Nt(t);return l<s?It(i,s-l):s<l&&It(n,l-s),{deltasA:n,deltasB:i}}};var lp=sp;class dp extends iu{get type(){return'marker'}get _reverseDeltaClass(){return dp}static get className(){return'engine.model.delta.MarkerDelta'}}nu.register(dp);const cp=lp.addTransformationCase,up=lp.defaultTransform;cp(ru,gu,(e,t,o)=>{const n=up(e,t,o);return e.range.containsPosition(t.position)&&n.push($t(t,e)),n}),cp(ru,au,(e,t,o)=>{if(!t.position)return up(e,t,o);const n=o.undoMode,i=new Xs(t.position.root,t.position.path.slice(0,-1)),r=up(e,t,o);if(n||!(t._cloneOperation instanceof Jc))return r;for(const n of e.operations)if(n.range.containsPosition(i)||n.range.start.isEqual(i)){const e=new ru,o=i.getShiftedBy(1),a=Xs.createFromPosition(o);a.path.push(0);const s=t._cloneOperation.nodes.getNode(0).getAttribute(n.key);e.addOperation(new $c(new Zs(o,a),n.key,s===void 0?null:s,n.newValue,0)),r.push(e);break}return r}),cp(pu,su,(e,t,o)=>{if(!t.position)return up(e,t,o);const n=o.undoMode;return!n&&e.position.isEqual(t.position)?[t.getReversed(),e.clone()]:up(e,t,o)}),cp(dp,au,Wt),cp(dp,su,Wt),cp(dp,uu,Wt),cp(dp,mu,Wt),cp(dp,lu,Wt),cp(dp,cu,Wt),cp(lu,su,(e,t,o)=>{const n=o.undoMode;if(n||!t.position)return up(e,t,o);const i=e.sourcePosition.root==t.position.root&&'same'===R(e.sourcePosition.getParentPath(),t.position.getParentPath()),r=e.sourcePosition.offset<=t.position.offset&&e.sourcePosition.offset+e.howMany>t.position.offset;return i&&r?[t.getReversed(),e.clone()]:up(e,t,o)}),cp(su,pu,(e,t,o)=>{if(!e.position)return up(e,t,o);const n=o.undoMode;return!n&&e.position.isEqual(t.position)?[Kt()]:up(e,t,o)}),cp(su,lu,(e,t,o)=>{const n=o.undoMode;if(n||!e.position)return up(e,t,o);const i=e.position.root==t.sourcePosition.root&&'same'===R(e.position.getParentPath(),t.sourcePosition.getParentPath()),r=t.sourcePosition.offset<=e.position.offset&&t.sourcePosition.offset+t.howMany>e.position.offset;return i&&r?[Kt()]:up(e,t,o)}),cp(au,au,(e,t,o)=>{const n=o.undoMode;if(n)return up(e,t,o);if(!e.position||!t.position)return up(e,t,o);const i=e.position.getParentPath(),r=t.position.getParentPath();if(e.position.root==t.position.root&&'same'==R(i,r))if(e=e.clone(),e.position.offset<t.position.offset||e.position.offset==t.position.offset&&o.isStrong){e._cloneOperation instanceof Uc&&t._cloneOperation instanceof Uc&&e._cloneOperation.sourcePosition.offset>t._cloneOperation.sourcePosition.offset&&e._cloneOperation.sourcePosition.offset--;const o=Zs.createFromPositionAndShift(e.position,e._moveOperation.howMany),n=Zs.createFromPositionAndShift(t.position,t._moveOperation.howMany),i=o.getDifference(n);let r=0;for(const e of i)r+=e.end.offset-e.start.offset;return 0==r?(e.operations.pop(),e.addOperation(new Yc(e.operations[0].baseVersion+1))):e.operations[1].howMany=r,[e]}else{const n=Object.assign({},o);return n.isStrong=!0,n.insertBefore=!0,up(e,t,n)}return up(e,t,o)}),cp(au,mu,(e,t,o)=>e.position?e.position.root==t.position.root&&'same'===R(t.position.path,e.position.getParentPath())?[Kt()]:up(e,t,o):up(e,t,o)),cp(au,uu,(e,t,o)=>{if(!e.position)return up(e,t,o);const n=e.position.root==t.range.start.root,i=n&&'same'===R(e.position.getParentPath(),t.range.start.getParentPath()),r=t.range.start.offset<e.position.offset&&t.range.end.offset>=e.position.offset;if(i&&r)return[Kt()];if(n&&'same'===R(e.position.getParentPath(),t.range.end.getShiftedBy(-1).path)){const o=e.clone(),n=Xs.createFromPosition(t.range.start);n.path.push(t.howMany-1);const i=n.getShiftedBy(1);o._cloneOperation.position=i;const r=Xs.createFromPosition(n);r.path.push(e.position.offset),o._moveOperation.sourcePosition=r;const a=Xs.createFromPosition(i);return a.path.push(0),o._moveOperation.targetPosition=a,[o]}return up(e,t,o)}),cp(au,ru,(e,t,o)=>{if(!e.position)return up(e,t,o);e=e.clone();const n=o.undoMode,i=new Xs(e.position.root,e.position.path.slice(0,-1));if(n||!(e._cloneOperation instanceof Jc))return[e];for(const n of t.operations)if(n.range.containsPosition(i)||n.range.start.isEqual(i)){null===n.newValue?e._cloneOperation.nodes.getNode(0).removeAttribute(n.key):e._cloneOperation.nodes.getNode(0).setAttribute(n.key,n.newValue);break}return[e]}),cp(mu,au,(e,t,o)=>t.position?e.position.root==t.position.root&&'same'===R(e.position.path,t.position.getParentPath())?[t.getReversed(),e.clone()]:up(e,t,o):up(e,t,o)),cp(gu,ru,(e,t)=>{const o=[e.clone()];return t.range.containsPosition(e.position)&&o.push($t(e,t)),o}),cp(uu,au,(e,t,o)=>{if(!t.position)return up(e,t,o);const n=e.range.start.root==t.position.root,i=n&&'same'===R(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(n&&'same'===R(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 up(e,t,o)}),cp(cu,au,(e,t,o)=>{const n=o.undoMode,i=up(e,t,o);if(n||!(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}),cp(au,cu,(e,t,o)=>{e=e.clone();const n=o.undoMode;if(n||!(e._cloneOperation instanceof Jc))return[e];const i=e._cloneOperation.position.getShiftedBy(-1);if(i&&!n&&t.operations[0].position.isEqual(i)){const o=t.clone();return o.operations[0].position=i.getShiftedBy(1),o.operations[0].oldName=e._cloneOperation.nodes.getNode(0).name,[e,o]}return[e]}),cp(du,au,(e,t,o)=>{const n=up(e,t,o),i=t._cloneOperation.position||t._cloneOperation.targetPosition;if(!i)return up(e,t,o);const r=o.undoMode;if(r)return n;for(const r of n)if(r instanceof du){const e=r._moveOperation,t=e.sourcePosition.getShiftedBy(e.howMany);t.isEqual(i)&&(e.howMany+=1)}return n}),cp(au,du,(e,t,o)=>{const n=o.undoMode;if(n)return up(e,t,o);const i=e._cloneOperation.position||e._cloneOperation.targetPosition;if(!i)return up(e,t,o);t=t.clone();const r=t._moveOperation,a=r.sourcePosition.getShiftedBy(r.howMany);return a.isEqual(i)&&(r.howMany+=1),up(e,t,o)});class mp extends Js{constructor(e,t,o='main'){super(t),this._doc=e,this.rootName=o}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 pp extends iu{static get className(){return'engine.model.delta.RootAttributeDelta'}}nu.register(pp);class gp extends Cc{constructor(e,t,o){super(o),this.sourcePosition=Xs.createFromPosition(e),this.howMany=t,this.isDocumentOperation=!1}get type(){return'detach'}_execute(){if(this.sourcePosition.root.document)throw new ba('detach-operation-on-document-node: Cannot detach document node.');const e=ht(Zs.createFromPositionAndShift(this.sourcePosition,this.howMany));return{nodes:e}}static get className(){return'engine.model.operation.DetachOperation'}}class fp{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}createText(e,t){return new Ks(e,t)}createElement(e,t){return new Js(e,t)}createDocumentFragment(){return new nc}insert(e,t,o){const n=Xs.createAt(t,o),i=e instanceof Ks&&!e.parent?new gu:new pu;if(e.parent){if(Gt(e.root,n.root))return void this.move(Zs.createOn(e),n);this.remove(e)}const r=new Jc(n,e,this.document.version);if(this.addDelta(i),i.addOperation(r),this.document.applyOperation(r),e instanceof nc)for(const[t,o]of e.markers){const e=Xs.createAt(o.root),i=new Zs(o.start._getCombined(e,n),o.end._getCombined(e,n));this.setMarker(t,i)}}insertText(e,t,o,n){t instanceof nc||t instanceof Js||t instanceof Xs?this.insert(this.createText(e),t,o):this.insert(this.createText(e,t),o,n)}insertElement(e,t,o,n){t instanceof nc||t instanceof Js||t instanceof Xs?this.insert(this.createElement(e),t,o):this.insert(this.createElement(e,t),o,n)}append(e,t){this.insert(e,t,'end')}appendText(e,t,o){t instanceof nc||t instanceof Js?this.insert(this.createText(e),t,'end'):this.insert(this.createText(e,t),o,'end')}appendElement(e,t,o){t instanceof nc||t instanceof Js?this.insert(this.createElement(e),t,'end'):this.insert(this.createElement(e,t),o,'end')}setAttribute(e,t,o){o instanceof Zs?Ut(this,e,t,o):Qt(this,e,t,o)}setAttributes(e,t){for(const[o,n]of E(e))this.setAttribute(o,n,t)}removeAttribute(e,t){t instanceof Zs?Ut(this,e,null,t):Qt(this,e,null,t)}clearAttributes(e){const t=(e)=>{for(const t of e.getAttributeKeys())this.removeAttribute(t,e)};if(!(e instanceof Zs))t(e);else for(const o of e.getItems())t(o)}move(e,t,o){if(!(e instanceof Zs))throw new ba('batch-move-invalid-range: Invalid range to move.');if(!e.isFlat)throw new ba('batch-move-range-not-flat: Range to move is not flat.');const n=Xs.createAt(t,o);if(!Gt(e.root,n.root))throw new ba('batch-move-different-document: Range is going to be moved between different documents.');const i=new lu;this.addDelta(i);const r=new Kc(e.start,e.end.offset-e.start.offset,n,this.document.version);i.addOperation(r),this.document.applyOperation(r)}remove(e){const t=(e,t)=>{const o=new du;this.addDelta(o);let n;if(e.root.document){const o=this.document.graveyard,i=new Xs(o,[0]);n=new Qc(e,t,i,this.document.version)}else n=new gp(e,t,this.document.version);o.addOperation(n),this.document.applyOperation(n)};if(e instanceof Zs){const o=e.getMinimalFlatRanges().reverse();for(const e of o)t(e.start,e.end.offset-e.start.offset)}else{const o=e.is('text')?e.offsetSize:1;t(Xs.createBefore(e),o)}}merge(e){const t=new su;this.addDelta(t);const o=e.nodeBefore,n=e.nodeAfter;if(!(o instanceof Js))throw new ba('batch-merge-no-element-before: Node before merge position must be an element.');if(!(n instanceof Js))throw new ba('batch-merge-no-element-after: Node after merge position must be an element.');const i=Xs.createFromParentAndOffset(n,0),r=Xs.createFromParentAndOffset(o,o.maxOffset),a=new Kc(i,n.maxOffset,r,this.document.version);a.isSticky=!0,t.addOperation(a),this.document.applyOperation(a);const s=this.document.graveyard,l=new Xs(s,[0]),d=new Qc(e,1,l,this.document.version);t.addOperation(d),this.document.applyOperation(d)}rename(e,t){if(!(e instanceof Js))throw new ba('batch-rename-not-element-instance: Trying to rename an object which is not an instance of Element.');const o=new cu;this.addDelta(o);const n=new Xc(Xs.createBefore(e),e.name,t,this.document.version);o.addOperation(n),this.document.applyOperation(n)}split(e){const t=new au;this.addDelta(t);const o=e.parent;if(!o.parent)throw new ba('batch-split-element-no-parent: Element with no parent can not be split.');const n=new Js(o.name,o.getAttributes()),i=new Jc(Xs.createAfter(o),n,this.document.version);t.addOperation(i),this.document.applyOperation(i);const r=new Kc(e,o.maxOffset-e.offset,Xs.createFromParentAndOffset(n,0),this.document.version);r.isSticky=!0,t.addOperation(r),this.document.applyOperation(r)}wrap(e,t){if(!e.isFlat)throw new ba('batch-wrap-range-not-flat: Range to wrap is not flat.');const o=t instanceof Js?t:new Js(t);if(0<o.childCount)throw new ba('batch-wrap-element-not-empty: Element to wrap with is not empty.');if(null!==o.parent)throw new ba('batch-wrap-element-attached: Element to wrap with is already attached to tree model.');const n=new uu;this.addDelta(n);const i=new Jc(e.end,o,this.document.version);n.addOperation(i),this.document.applyOperation(i);const r=Xs.createFromParentAndOffset(o,0),a=new Kc(e.start,e.end.offset-e.start.offset,r,this.document.version);n.addOperation(a),this.document.applyOperation(a)}unwrap(e){if(null===e.parent)throw new ba('batch-unwrap-element-no-parent: Trying to unwrap an element which has no parent.');const t=new mu;this.addDelta(t);const o=Xs.createFromParentAndOffset(e,0),n=new Kc(o,e.maxOffset,Xs.createBefore(e),this.document.version);n.isSticky=!0,t.addOperation(n),this.document.applyOperation(n);const i=this.document.graveyard,r=new Xs(i,[0]),a=new Qc(Xs.createBefore(e),1,r,this.document.version);t.addOperation(a),this.document.applyOperation(a)}setMarker(e,t){const o='string'==typeof e?e:e.name,n=this.document.markers.get(o);if(!t&&!n)throw new ba('batch-setMarker-no-range: Range parameter is required when adding a new marker.');const i=n?n.getRange():null;t?Jt(this,o,i,t):Jt(this,o,null,i)}removeMarker(e){const t='string'==typeof e?e:e.name;if(!this.document.markers.has(t))throw new ba('batch-removeMarker-no-marker: Trying to remove marker which does not exist.');const o=this.document.markers.get(t).getRange();Jt(this,t,o,null)}}class hp{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=ta){if(0!==this._deltas.length){let o=this._getIndex(e);if(-1!=o)for(;o<this._deltas.length;){const e=this._deltas[o++];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],o=t.baseVersion+t.operations.length;if(0>e||e>=o)return-1;throw new ba('model-history-wrong-version: Given base version points to the middle of a delta.')}return t}}class bp extends Zs{constructor(e,t){super(e,t),Yt.call(this)}detach(){this.stopListening()}}s(bp,Va);class kp{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 o=!1;for(const n of e._ranges)if(t.isEqual(n)){o=!0;break}if(!o)return!1}return!0}*getRanges(){for(const e of this._ranges)yield Zs.createFromRange(e)}getFirstRange(){let e=null;for(const t of this._ranges)(!e||t.start.isBefore(e.start))&&(e=t);return e?Zs.createFromRange(e):null}getLastRange(){let e=null;for(const t of this._ranges)(!e||t.end.isAfter(e.end))&&(e=t);return e?Zs.createFromRange(e):null}getFirstPosition(){const e=this.getFirstRange();return e?Xs.createFromPosition(e.start):null}getLastPosition(){const e=this.getLastRange();return e?Xs.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 o=e.some((e)=>{if(!(e instanceof Zs))throw new ba('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||o){this._removeAllRanges();for(const t of e)this._pushRange(t);this._lastRangeBackward=!!t,this.fire('change:range',{directChange:!0})}}setTo(e){e instanceof kp?this.setRanges(e.getRanges(),e.isBackward):e instanceof Zs?this.setRanges([e]):S(e)?this.setRanges(e):this.setRanges([new Zs(e)])}setIn(e){this.setRanges([Zs.createIn(e)])}setOn(e){this.setRanges([Zs.createOn(e)])}setCollapsedAt(e,t){const o=Xs.createAt(e,t),n=new Zs(o,o);this.setRanges([n])}collapseToStart(){const e=this.getFirstPosition();null!==e&&this.setRanges([new Zs(e,e)])}collapseToEnd(){const e=this.getLastPosition();null!==e&&this.setRanges([new Zs(e,e)])}moveFocusTo(e,t){if(null===this.anchor)throw new ba('model-selection-moveFocusTo-no-ranges: Cannot set selection focus if there are no ranges in selection.');const o=Xs.createAt(e,t);if('same'!=o.compareWith(this.focus)){const e=this.anchor;this._ranges.length&&this._popRange(),'before'==o.compareWith(e)?this.addRange(new Zs(o,e),!0):this.addRange(new Zs(e,o))}}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=E(e),!Zt(e,this._attrs)){const t=new Set(Array.from(e.keys()).concat(Array.from(this._attrs.keys())));for(const[o,n]of e)this._attrs.get(o)===n&&t.delete(o);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,o=e.end.nodeBefore;return t instanceof Js&&t==o?t:null}*getSelectedBlocks(){const e=new WeakSet;for(const t of this.getRanges()){const o=to(t.start,e);o&&(yield o);for(const o of t.getWalker())'elementEnd'==o.type&&eo(o.item,e)&&(yield o.item);const n=to(t.end,e);n&&!t.end.isTouching(Xs.createAt(n))&&(yield n)}}containsEntireContent(e=this.anchor.root){const t=Xs.createAt(e),o=Xs.createAt(e,'end');return t.isTouching(this.getFirstPosition())&&o.isTouching(this.getLastPosition())}static createFromSelection(e){const t=new this;return t.setTo(e),t}_pushRange(e){if(!(e instanceof Zs))throw new ba('model-selection-added-not-range: Trying to add an object that is not an instance of Range.');this._checkRange(e),this._ranges.push(Zs.createFromRange(e))}_checkRange(e){for(let t=0;t<this._ranges.length;t++)if(e.isIntersecting(this._ranges[t]))throw new ba('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()}}s(kp,Va);const _p='selection:',vp=new Set(['addAttribute','removeAttribute','changeAttribute','addRootAttribute','removeRootAttribute','changeRootAttribute']);class wp extends kp{constructor(e){super(),this._document=e,this._attributePriority=new Map,this.listenTo(this._document,'change',(e,t,o,n)=>{vp.has(t)&&this._updateAttributes(!1),no(o,n,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=E(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 ba('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 Zs))throw new ba('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 _a.warn('model-selection-range-in-graveyard: Trying to add a Range that is in the graveyard root. Range rejected.');this._checkRange(e);const t=bp.createFromRange(e);return this.listenTo(t,'change:range',(e,o,n)=>{t.root==this._document.graveyard&&this._fixGraveyardSelection(t,n.sourcePosition),this.fire('change:range',{directChange:!1})}),t}_updateAttributes(e){const t=E(this._getSurroundingAttributes()),o=E(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 n=[];for(const[t,i]of this.getAttributes())o.has(t)&&o.get(t)===i||n.push(t);for(const[t]of o)this.hasAttribute(t)||n.push(t);0<n.length&&this.fire('change:attribute',{attributeKeys:n,directChange:!1})}static _getStoreAttributeKey(e){return _p+e}static _isStoreAttributeKey(e){return e.startsWith(_p)}_setAttribute(e,t,o=!0){const n=o?'normal':'low';if('low'==n&&'normal'==this._attributePriority.get(e))return!1;const i=super.getAttribute(e);return i!==t&&(this._attrs.set(e,t),this._attributePriority.set(e,n),!0)}_removeAttribute(e,t=!0){const o=t?'normal':'low';return'low'==o&&'normal'==this._attributePriority.get(e)?!1:!!super.hasAttribute(e)&&(this._attrs.delete(e),this._attributePriority.set(e,o),!0)}_setAttributesTo(e,t=!0){const o=new Set;for(const[n,i]of this.getAttributes())e.get(n)!==i&&this._removeAttribute(n,t)&&o.add(n);for(const[n,i]of e){const e=this._setAttribute(n,i,t);e&&o.add(n)}return o}*_getStoredAttributes(){const e=this.getFirstPosition().parent;if(this.isCollapsed&&e.isEmpty)for(const t of e.getAttributeKeys())if(t.startsWith(_p)){const o=t.substr(_p.length);yield[o,e.getAttribute(t)]}}_removeStoredAttribute(e){const t=wp._getStoreAttributeKey(e);this._document.batch().removeAttribute(t,this.anchor.parent)}_storeAttribute(e,t){const o=wp._getStoreAttributeKey(e);this._document.batch().setAttribute(o,t,this.anchor.parent)}_setStoredAttributesTo(e){const t=this.anchor.parent,o=this._document.batch();for(const[n]of this._getStoredAttributes()){const e=wp._getStoreAttributeKey(n);o.removeAttribute(e,t)}for(const[n,i]of e){const e=wp._getStoreAttributeKey(n);o.setAttribute(e,i,t)}}_getSurroundingAttributes(){const e=this.getFirstPosition(),t=this._document.schema;let o=null;if(!this.isCollapsed){const e=this.getFirstRange();for(const n of e){if(n.item.is('element')&&t.objects.has(n.item.name))break;'text'==n.type&&null==o&&(o=n.item.getAttributes())}}else{const t=e.textNode?e.textNode:e.nodeBefore,n=e.textNode?e.textNode:e.nodeAfter;if(o=oo(t),o||(o=oo(n)),!o)for(let e=t;e&&!o;)e=e.previousSibling,o=oo(e);if(!o)for(let e=n;e&&!o;)e=e.nextSibling,o=oo(e);o||(o=this._getStoredAttributes())}return o}_fixGraveyardSelection(e,t){const o=Xs.createFromPosition(t),n=this._document.getNearestSelectionRange(o),i=this._ranges.indexOf(e);if(this._ranges.splice(i,1),e.detach(),n){const e=this._prepareRange(n);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;Ps(e.attributes)?0===e.attributes.length&&e.attributes.push(void 0):e.attributes=[e.attributes];const t=yp._normalizeQueryPath(e.inside),o=this._extensionChains.get(e.name).map((e)=>this._getItem(e));if(!this._getItem(e.name)._checkRequiredAttributes(e.attributes))return!1;for(const n of e.attributes)for(const e of o)if(e._hasMatchingPath('disallow',t,n))return!1;for(const n of e.attributes){if(n&&wp._isStoreAttributeKey(n))continue;let e=!1;for(const i of o)if(i._hasMatchingPath('allow',t,n)){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 ba('model-schema-item-exists: Item with specified name already exists in schema.');if(!!t&&!this.hasItem(t))throw new ba('model-schema-no-item: Item with specified name does not exist in schema.');this._items.set(e,new xp(this));const o=this.hasItem(t)?this._extensionChains.get(t).concat(e):[e];this._extensionChains.set(e,o)}itemExtends(e,t){if(!this.hasItem(e)||!this.hasItem(t))throw new ba('model-schema-no-item: Item with specified name does not exist in schema.');const o=this._extensionChains.get(e);return o.some((e)=>e==t)}checkAttributeInSelection(e,t){if(e.isCollapsed)return this.check({name:'$text',inside:e.getFirstPosition(),attributes:t});else{const o=e.getRanges();for(const e of o)for(const o of e){const e=o.item.name||'$text',n=Array.from(o.item.getAttributeKeys()).concat(t);if(this.check({name:e,inside:o.previousPosition,attributes:n}))return!0}}return!1}getValidRanges(e,t){const o=[];for(const n of e){let e=n.start,i=n.start;const r=n.end;for(const r of n.getWalker()){const n=r.item.name||'$text',a=Xs.createBefore(r.item);this.check({name:n,inside:a,attributes:t})||(!i.isEqual(e)&&o.push(new Zs(i,e)),i=r.nextPosition),e=r.nextPosition}i&&!i.isEqual(r)&&o.push(new Zs(i,r))}return o}getLimitElement(e){let t=Array.from(e.getRanges()).reduce((e,t)=>e?e.getCommonAncestor(t.getCommonAncestor()):t.getCommonAncestor(),null);for(;!this.limits.has(t.name)&&t.parent;)t=t.parent;return t}removeDisallowedAttributes(e,t,o){for(const n of e){const e=n.is('text')?'$text':n.name,i=Array.from(n.getAttributeKeys()),r=yp._normalizeQueryPath(t);if(!this.check({name:e,attributes:i,inside:r}))for(const t of n.getAttributeKeys())this.check({name:e,attributes:t,inside:r})||o.removeAttribute(t,n);n.is('element')&&this.removeDisallowedAttributes(n.getChildren(),r.concat(n.name),o)}}_getItem(e){if(!this.hasItem(e))throw new ba('model-schema-no-item: Item with specified name does not exist in schema.');return this._items.get(e)}static _normalizeQueryPath(e){let t=[];if(Ps(e))for(const o of e)o instanceof Js?t.push(o.name):Vs(o)&&t.push(o);else if(e instanceof Xs){for(let o=e.parent;null!==o;)t.push(o.name),o=o.parent;t.reverse()}else Vs(e)&&(t=e.split(' '));return t}}class xp{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=Hd(this);return e._schema='[model.Schema]',e}_addPath(e,t,o){t=t.slice(),Ps(o)||(o=[o]);for(const n of o)this[e].push({path:t,attribute:n})}_getPaths(e,t){const o='allow'===e?this._allowed:this._disallowed,n=[];for(const i of o)i.attribute===t&&n.push(i.path);return n}_checkRequiredAttributes(e){let t=!0;for(const o of this._requiredAttributes){t=!0;for(const n of o)if(-1==e.indexOf(n)){t=!1;break}if(t)break}return t}_hasMatchingPath(e,t,o){const n=this._getPaths(e,o);for(const i of n)if(io(this._schema,t,i))return!0;return!1}}class Ap{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 o=e instanceof Cp?e.name:e,n=this._markers.get(o);if(n){const e=n.getRange();if(e.isEqual(t))return n;this.remove(o)}const i=bp.createFromRange(t),r=new Cp(o,i);return this._markers.set(o,r),this.fire('add:'+o,r),r}remove(e){const t=e instanceof Cp?e.name:e,o=this._markers.get(t);return!!o&&(this._markers.delete(t),this.fire('remove:'+t,o),this._destroyMarker(o),!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}}s(Ap,Va);class Cp{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 ba('marker-destroyed: Cannot use a destroyed marker instance.');return Xs.createFromPosition(this._liveRange.start)}getEnd(){if(!this._liveRange)throw new ba('marker-destroyed: Cannot use a destroyed marker instance.');return Xs.createFromPosition(this._liveRange.end)}getRange(){if(!this._liveRange)throw new ba('marker-destroyed: Cannot use a destroyed marker instance.');return Zs.createFromRange(this._liveRange)}}s(Cp,Va);const Tp='$graveyard';class Pp{constructor(){this.version=0,this.schema=new yp,this.history=new hp(this),this.markers=new Ap,this.selection=new wp(this),this._pendingChanges=[],this.roots=new Map,this.selection.on('change:range',()=>{for(const e of this.selection.getRanges())if(!this._validateSelectionRange(e))throw new ba('document-selection-wrong-position: Range from document selection starts or ends at incorrect position.',{range:e})}),this.createRoot('$root',Tp)}get graveyard(){return this.getRoot(Tp)}applyOperation(e){if(e.baseVersion!==this.version)throw new ba('model-document-applyOperation-wrong-version: Only operations with matching versions can be applied.',{operation:e});const t=e._execute();e.isDocumentOperation&&(this.version++,this.history.addDelta(e.delta),this.fire('change',e.type,t,e.delta.batch,e.delta.type))}batch(e){return new fp(this,e)}createRoot(e='$root',t='main'){if(this.roots.has(t))throw new ba('model-document-createRoot-name-exists: Root with specified name already exists.',{name:t});const o=new mp(this,e,t);return this.roots.set(t,o),o}destroy(){this.selection.destroy(),this.stopListening()}enqueueChanges(e){if(this._pendingChanges.push(e),1==this._pendingChanges.length){for(;this._pendingChanges.length;)this._pendingChanges[0](),this._pendingChanges.shift();this.fire('changesDone')}}getRoot(e='main'){if(!this.roots.has(e))throw new ba('model-document-getRoot-root-not-exist: Root with specified name does not exist.',{name:e});return this.roots.get(e)}hasRoot(e){return this.roots.has(e)}getRootNames(){return Array.from(this.roots.keys()).filter((e)=>e!=Tp)}getNearestSelectionRange(e,t='both'){if(this.schema.check({name:'$text',inside:e}))return new Zs(e);let o,n;('both'==t||'backward'==t)&&(o=new Gs({startPosition:e,direction:'backward'})),('both'==t||'forward'==t)&&(n=new Gs({startPosition:e}));for(const i of ao(o,n)){const e=i.walker==o?'elementEnd':'elementStart',t=i.value;if(t.type==e&&this.schema.objects.has(t.item.name))return Zs.createOn(t.item);if(this.schema.check({name:'$text',inside:t.nextPosition}))return new Zs(t.nextPosition)}return null}transformDeltas(e,t,o=!1){return lp.transformDeltaSets(e,t,o?this:null)}toJSON(){const e=Hd(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 Xs(e,[0]),o=this.getNearestSelectionRange(t);return o||new Zs(t)}_validateSelectionRange(e){return ro(e.start)&&ro(e.end)}}s(Pp,Va);class Ep{constructor(e){const t=this.constructor.build&&this.constructor.build.plugins;this.config=new fa(e,this.constructor.build&&this.constructor.build.config),this.config.define('plugins',t),this.plugins=new va(this,t),this.commands=new wa,this.locale=new xa(this.config.get('language')),this.t=this.locale.t,this.document=new Pp,this.data=new Ac(this.document),this.set('isReadOnly',!1)}initPlugins(){function e(e,t){return e.reduce((e,o)=>o[t]?e.then(o[t].bind(o)):e,Promise.resolve())}const t=this,o=this.config;return function(){const e=o.get('plugins')||[],n=o.get('removePlugins')||[];return t.plugins.load(e,n)}().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 o=new this(e);t(o.initPlugins().then(()=>{o.fire('dataReady'),o.fire('ready')}).then(()=>o))})}}s(Ep,Ws);const Sp=Ls({},Va,{listenTo(...e){const t=e[0];so(t)&&(e[0]=this._getProxyEmitter(t)||new Op(t)),Va.listenTo.apply(this,e)},stopListening(...e){const t=e[0];if(so(t)){const o=this._getProxyEmitter(t);if(!o)return;e[0]=o}Va.stopListening.apply(this,e)},_getProxyEmitter(e){return d(this,lo(e))}});var Vp=Sp;class Op{constructor(e){c(this,lo(e)),this._domNode=e}}Ls(Op.prototype,Va,{on(e,t,o={}){if(Va.on.call(this,e,t,o),!(this._domListeners&&this._domListeners[e])){const t=this._createDomListener(e,!!o.useCapture);this._domNode.addEventListener(e,t,!!o.useCapture),this._domListeners||(this._domListeners={}),this._domListeners[e]=t}},off(e,t){Va.off.call(this,e,t);let o;!this._domListeners[e]||(o=this._events[e])&&o.callbacks.length||this._domListeners[e].removeListener()},_createDomListener(e,t){const o=(t)=>{this.fire(e,t)};return o.removeListener=()=>{this._domNode.removeEventListener(e,o,t),delete this._domListeners[e]},o}});class Rp{constructor(){this._listener=Object.create(Vp)}listenTo(e){this._listener.listenTo(e,'keydown',(e,t)=>{this._listener.fire('_keydown:'+te(t),t)})}set(e,t,o={}){const n=oe(e),i=o.priority;this._listener.listenTo(this._listener,'_keydown:'+n,(e,o)=>{t(o,()=>{o.preventDefault(),o.stopPropagation(),e.stop()}),e.return=!0},{priority:i})}press(e){return!!this._listener.fire('_keydown:'+te(e),e)}destroy(){this._listener.stopListening()}}class Fp extends Rp{constructor(e){super(),this.editor=e}set(e,t,o={}){if('string'==typeof t){const e=t;t=(t,o)=>{this.editor.execute(e),o()}}super.set(e,t,o)}}class Np{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 Zd.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 Zd.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 ec))throw new ba('view-selection-invalid-range: Invalid Range.');this._pushRange(e),this._lastRangeBackward=!!t,this.fire('change')}*getRanges(){for(const e of this._ranges)yield ec.createFromRange(e)}getFirstRange(){let e=null;for(const t of this._ranges)(!e||t.start.isBefore(e.start))&&(e=t);return e?ec.createFromRange(e):null}getLastRange(){let e=null;for(const t of this._ranges)(!e||t.end.isAfter(e.end))&&(e=t);return e?ec.createFromRange(e):null}getFirstPosition(){const e=this.getFirstRange();return e?Zd.createFromPosition(e.start):null}getLastPosition(){const e=this.getLastRange();return e?Zd.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 o=!1;for(const n of e._ranges)if(t.isEqual(n)){o=!0;break}if(!o)return!1}return!0}isSimilar(e){if(this.isBackward!=e.isBackward)return!1;const t=co(this.getRanges()),o=co(e.getRanges());if(t!=o)return!1;if(0==t)return!0;for(let t of this.getRanges()){t=t.getTrimmed();let o=!1;for(let n of e.getRanges())if(n=n.getTrimmed(),t.start.isEqual(n.start)&&t.end.isEqual(n.end)){o=!0;break}if(!o)return!1}return!0}removeAllRanges(){this._ranges.length&&(this._ranges=[],this.fire('change'))}setRanges(e,t){this._ranges=[];for(const o of e){if(!(o instanceof ec))throw new ba('view-selection-invalid-range: Invalid Range.');this._pushRange(o)}this._lastRangeBackward=!!t,this.fire('change')}setTo(e){e instanceof Np?(this._isFake=e._isFake,this._fakeSelectionLabel=e._fakeSelectionLabel,this.setRanges(e.getRanges(),e.isBackward)):e instanceof ec?this.setRanges([e]):S(e)?this.setRanges(e):this.setRanges([new ec(e)])}setIn(e){this.setRanges([ec.createIn(e)])}setOn(e){this.setRanges([ec.createOn(e)])}setCollapsedAt(e,t){const o=Zd.createAt(e,t),n=new ec(o,o);this.setRanges([n])}collapseToStart(){const e=this.getFirstPosition();null!==e&&this.setRanges([new ec(e,e)])}collapseToEnd(){const e=this.getLastPosition();null!==e&&this.setRanges([new ec(e,e)])}moveFocusTo(e,t){if(null===this.anchor)throw new ba('view-selection-moveFocusTo-no-ranges: Cannot set selection focus if there are no ranges in selection.');const o=Zd.createAt(e,t);if('same'!=o.compareWith(this.focus)){const e=this.anchor;this._ranges.pop(),'before'==o.compareWith(e)?this.addRange(new ec(o,e),!0):this.addRange(new ec(e,o))}}getSelectedElement(){if(1!==this.rangeCount)return null;const e=this.getFirstRange(),t=e.start.nodeAfter,o=e.end.nodeBefore;return t instanceof Ud&&t==o?t:null}static createFromSelection(e){const t=new Np;return t.setTo(e),t}_pushRange(e){for(const t of this._ranges)if(e.isIntersecting(t))throw new ba('view-selection-range-intersects: Trying to add a range that intersects with another range from selection.',{addedRange:e,intersectingRange:t});this._ranges.push(ec.createFromRange(e))}}s(Np,Va);const Ip=(e)=>{const t=e.createElement('br');return t.dataset.ckeFiller=!0,t},Bp=(e)=>e.createTextNode('\xA0'),Mp=7;let Dp='';for(let n=0;n<Mp;n++)Dp+='\u200B';const Lp=new WeakMap;class zp{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 ba('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),o=t.parent.ownerDocument;this._inlineFiller=uo(t.parent)?t.parent:this._addInlineFiller(o,t.parent,t.offset)}else this._inlineFiller=null;this._updateSelection(),this._updateFocus(),this.markedTexts.clear(),this.markedAttributes.clear(),this.markedChildren.clear()}_addInlineFiller(e,t,o){const n=t instanceof Array?t:t.childNodes,i=n[o];if(this.domConverter.isText(i))return i.data=Dp+i.data,i;else{const i=e.createTextNode(Dp);return Array.isArray(t)?n.splice(o,0,i):ko(t,o,i),i}}_getInlineFillerPosition(){const e=this.selection.getFirstPosition();return e.parent.is('text')?Zd.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)&&uo(t.parent)}_removeInlineFiller(){const e=this._inlineFiller;if(!uo(e))throw new ba('view-renderer-filler-was-lost: The inline filler node was lost.');mo(e)?e.parentNode.removeChild(e):e.data=e.data.substr(Mp),this._inlineFiller=null}_needsInlineFillerAtSelection(){if(1!=this.selection.rangeCount||!this.selection.isCollapsed)return!1;const e=this.selection.getFirstPosition(),t=e.parent,o=e.offset;if(!this.domConverter.mapViewToDom(t.root))return!1;if(!t.is('element'))return!1;if(!vo(t))return!1;if(o===t.getFillerOffset())return!1;const n=e.nodeBefore,i=e.nodeAfter;return n instanceof $d||i instanceof $d?!1:!0}_updateText(e,t){const o=this.domConverter.findCorrespondingDomText(e),n=this.domConverter.viewToDom(e,o.ownerDocument),i=o.data;let r=n.data;const a=t.inlineFillerPosition;a&&a.parent==e.parent&&a.offset==e.index&&(r=Dp+r),i!=r&&(o.data=r)}_updateAttrs(e){const t=this.domConverter.mapViewToDom(e),o=Array.from(t.attributes).map((e)=>e.name),n=e.getAttributeKeys();for(const o of n)t.setAttribute(o,e.getAttribute(o));for(const n of o)e.hasAttribute(n)||t.removeAttribute(n)}_updateChildren(e,t){function o(e,t){if(e===t)return!0;return n.isText(e)&&n.isText(t)?e.data===t.data:go(e,n.blockFiller)&&go(t,n.blockFiller)}const n=this.domConverter,r=n.mapViewToDom(e);if(r){const a=r.ownerDocument,s=t.inlineFillerPosition,l=r.childNodes,d=Array.from(n.viewChildrenToDom(e,a,{bind:!0}));s&&s.parent==e&&this._addInlineFiller(a,d,s.offset);const c=bo(l,d,o);let u=0;const i=new Set;for(const e of c)'insert'===e?(ko(r,u,d[u]),u++):'delete'===e?(i.add(l[u]),_o(l[u])):u++;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 o=this.selection.fakeSelectionLabel||'\xA0';this._fakeSelectionContainer.firstChild.data=o;const n=t.getSelection();n.removeAllRanges();const i=t.createRange();i.selectNodeContents(this._fakeSelectionContainer),n.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),o=this.domConverter.viewPositionToDom(this.selection.focus);t.collapse(e.parent,e.offset),t.extend(o.parent,o.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,o=this.domConverter.mapDomToView(t);t&&o&&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)}}}s(zp,Ws);var jp={window,document};class qp{constructor(e={}){this.blockFiller=e.blockFiller||Ip,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,Np.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,o={}){if(e.is('text')){const o=this._processDataFromViewText(e);return t.createTextNode(o)}else{if(this.mapViewToDom(e))return this.mapViewToDom(e);let n;if(e.is('documentFragment'))n=t.createDocumentFragment(),o.bind&&this.bindDocumentFragments(n,e);else{if(e.is('uiElement'))return n=e.render(t),o.bind&&this.bindElements(n,e),n;n=t.createElement(e.name),o.bind&&this.bindElements(n,e);for(const t of e.getAttributeKeys())n.setAttribute(t,e.getAttribute(t))}if(o.withChildren||void 0===o.withChildren)for(const i of this.viewChildrenToDom(e,t,o))n.appendChild(i);return n}}*viewChildrenToDom(e,t,o={}){const n=e.getFillerOffset&&e.getFillerOffset();let i=0;for(const r of e.getChildren())n===i&&(yield this.blockFiller(t)),yield this.viewToDom(r,t,o),i++;n===i&&(yield this.blockFiller(t))}viewRangeToDom(e){const t=this.viewPositionToDom(e.start),o=this.viewPositionToDom(e.end),n=document.createRange();return n.setStart(t.parent,t.offset),n.setEnd(o.parent,o.offset),n}viewPositionToDom(e){const t=e.parent;if(t.is('text')){const o=this.findCorrespondingDomText(t);if(!o)return null;let n=e.offset;return uo(o)&&(n+=Mp),{parent:o,offset:n}}else{let o,n,i;if(0===e.offset){if(o=this.mapViewToDom(t),!o)return null;i=o.childNodes[0]}else{const t=e.nodeBefore;if(n=t.is('text')?this.findCorrespondingDomText(t):this.mapViewToDom(e.nodeBefore),!n)return null;o=n.parentNode,i=n.nextSibling}if(this.isText(i)&&uo(i))return{parent:i,offset:Mp};const r=n?wo(n)+1:0;return{parent:o,offset:r}}}domToView(e,t={}){if(go(e,this.blockFiller))return null;const o=this.getParentUIElement(e,this._domToViewMapping);if(o)return o;if(this.isText(e)){if(mo(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 o;if(this.isDocumentFragment(e))o=new fc,t.bind&&this.bindDocumentFragments(e,o);else{const n=t.keepOriginalCase?e.tagName:e.tagName.toLowerCase();o=new Ud(n),t.bind&&this.bindElements(e,o);const r=e.attributes;for(let e=r.length-1;0<=e;e--)o.setAttribute(r[e].name,r[e].value)}if(t.withChildren||void 0===t.withChildren)for(const n of this.domChildrenToView(e,t))o.appendChildren(n);return o}}*domChildrenToView(e,t={}){for(let o=0;o<e.childNodes.length;o++){const n=e.childNodes[o],i=this.domToView(n,t);null!==i&&(yield i)}}domSelectionToView(e){if(1===e.rangeCount){let t=e.getRangeAt(0).startContainer;this.isText(t)&&(t=t.parentNode);const o=this.fakeSelectionToView(t);if(o)return o}const t=new Np,o=this.isDomSelectionBackward(e);for(let n=0;n<e.rangeCount;n++){const i=e.getRangeAt(n),r=this.domRangeToView(i);r&&t.addRange(r,o)}return t}domRangeToView(e){const t=this.domPositionToView(e.startContainer,e.startOffset),o=this.domPositionToView(e.endContainer,e.endOffset);return t&&o?new ec(t,o):null}domPositionToView(e,t){if(go(e,this.blockFiller))return this.domPositionToView(e.parentNode,wo(e));const o=this.mapDomToView(e);if(o&&o.is('uiElement'))return Zd.createBefore(o);if(this.isText(e)){if(mo(e))return this.domPositionToView(e.parentNode,wo(e));const o=this.findCorrespondingViewText(e);let n=t;return o?(uo(e)&&(n-=Mp,n=0>n?0:n),new Zd(o,n)):null}if(0===t){const t=this.mapDomToView(e);if(t)return new Zd(t,0)}else{const o=e.childNodes[t-1],n=this.isText(o)?this.findCorrespondingViewText(o):this.mapDomToView(o);if(n&&n.parent)return new Zd(n.parent,n.index+1)}return null}mapDomToView(e){return this.getParentUIElement(e)||this._domToViewMapping.get(e)}findCorrespondingViewText(e){if(mo(e))return null;const t=this.getParentUIElement(e);if(t)return t;const o=e.previousSibling;if(o){if(!this.isElement(o))return null;const e=this.mapDomToView(o);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:o}=jp.window,n=[];Co(t,(e)=>{const{scrollLeft:t,scrollTop:o}=e;n.push([t,o])}),t.focus(),Co(t,(e)=>{const[t,o]=n.shift();e.scrollLeft=t,e.scrollTop=o}),jp.window.scrollTo(e,o)}}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 o=t.collapsed;return t.detach(),o}getParentUIElement(e){const t=yo(e);for(t.pop();t.length;){const e=t.pop(),o=this._domToViewMapping.get(e);if(o&&o.is('uiElement'))return o}return null}isDomSelectionCorrect(e){return this._isDomSelectionPositionCorrect(e.anchorNode,e.anchorOffset)&&this._isDomSelectionPositionCorrect(e.focusNode,e.focusOffset)}_isDomSelectionPositionCorrect(e,t){if(this.isText(e)&&uo(e)&&t<Mp)return!1;if(this.isElement(e)&&uo(e.childNodes[t]))return!1;const o=this.mapDomToView(e);return o&&o.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 o=this._getTouchingViewTextNode(e,!1),n=o&&this._nodeEndsWithSpace(o);(n||!o)&&(t='\xA0'+t.substr(1))}if(' '==t.charAt(t.length-1)){const o=this._getTouchingViewTextNode(e,!0);o||(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=po(e);if(Ao(e,this.preElements))return t;t=t.replace(/[ \n\t\r]{1,}/g,' ');const o=this._getTouchingDomTextNode(e,!1),n=this._getTouchingDomTextNode(e,!0);return(!o||/[^\S\u00A0]/.test(o.data.charAt(o.data.length-1)))&&(t=t.replace(/^ /,'')),n||(t=t.replace(/ $/,'')),t=t.replace(/ \u00A0/g,' '),(!o||/[^\S\u00A0]/.test(o.data.charAt(o.data.length-1)))&&(t=t.replace(/^\u00A0/,' ')),n&&'\xA0'!=n.data.charAt(0)||(t=t.replace(/\u00A0( *)$/,' $1')),t}_getTouchingViewTextNode(e,t){const o=new Jd({startPosition:t?Zd.createAfter(e):Zd.createBefore(e),direction:t?'forward':'backward'});for(const n of o){if(n.item.is('containerElement'))return null;if(n.item.is('text'))return n.item}return null}_getTouchingDomTextNode(e,t){if(!e.parentNode)return null;const o=t?'nextNode':'previousNode',n=e.ownerDocument,i=n.createTreeWalker(n.childNodes[0],NodeFilter.SHOW_TEXT);i.currentNode=e;const r=i[o]();if(null!==r){const t=xo(e,r);if(t&&!Ao(e,this.blockElements,t)&&!Ao(r,this.blockElements,t))return r}return null}}const Hp=Symbol('rootName');class Wp extends Xd{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(Hp)}set rootName(e){this.setCustomProperty(Hp,e)}}class $p{constructor(e){this.document=e,this.isEnabled=!1}enable(){this.isEnabled=!0}disable(){this.isEnabled=!1}destroy(){this.disable(),this.stopListening()}}s($p,Vp);var Kp=function(e,t,o){o='function'==typeof o?o:void 0;var n=o?o(e,t):void 0;return n===void 0?Hc(e,t,o):!!n};class Up extends $p{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 o=this.domConverter,n=new Map,i=new Set;for(const t of e)if('childList'===t.type){const e=o.mapDomToView(t.target);if(e&&e.is('uiElement'))continue;e&&!this._isBogusBrMutation(t)&&i.add(e)}for(const t of e){const e=o.mapDomToView(t.target);if(!(e&&e.is('uiElement'))&&'characterData'===t.type){const e=o.findCorrespondingViewText(t.target);e&&!i.has(e.parent)?n.set(e,{type:'text',oldText:e.data,newText:po(t.target),node:e}):!e&&uo(t.target)&&i.add(o.mapDomToView(t.target.parentNode))}}const r=[];for(const t of n.values())this.renderer.markToSync('text',t.node),r.push(t);for(const n of i){const e=o.mapViewToDom(n),i=Array.from(n.getChildren()),a=Array.from(o.domChildrenToView(e));Kp(i,a,t)||(this.renderer.markToSync('children',n),r.push({type:'children',oldChildren:i,newChildren:a,node:n}))}const a=e[0].target.ownerDocument.getSelection();let s=null;if(a&&a.anchorNode){const e=o.domPositionToView(a.anchorNode,a.anchorOffset),t=o.domPositionToView(a.focusNode,a.focusOffset);e&&t&&(s=new Np,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 Qp=Date.now,Jp=Qp,Gp=function(e,t,o){function n(t){var o=f,n=h;return f=h=void 0,u=t,k=e.apply(n,o),k}function i(e){return u=e,_=setTimeout(s,t),m?n(e):k}function r(e){var o=e-c,n=e-u,i=t-o;return p?oa(i,b-n):i}function a(e){var o=e-c,n=e-u;return!c||o>=t||0>o||p&&n>=b}function s(){var e=Jp();return a(e)?l(e):void(_=setTimeout(s,r(e)))}function l(e){return(clearTimeout(_),_=void 0,g&&f)?n(e):(f=h=void 0,k)}function d(){var e=Jp(),o=a(e);if(f=arguments,h=this,c=e,o){if(void 0===_)return i(c);if(p)return clearTimeout(_),_=setTimeout(s,t),n(c)}return void 0===_&&(_=setTimeout(s,t)),k}var c=0,u=0,m=!1,p=!1,g=!0,f,h,b,k,_;if('function'!=typeof e)throw new TypeError('Expected a function');return t=ns(t)||0,Da(o)&&(m=!!o.leading,p='maxWait'in o,b=p?na(ns(o.maxWait)||0,t):b,g='trailing'in o?!!o.trailing:g),d.cancel=function(){void 0!==_&&clearTimeout(_),c=u=0,f=h=_=void 0},d.flush=function(){return void 0===_?k:l(Jp())},d};class Yp extends $p{constructor(e){super(e),this.mutationObserver=e.getObserver(Up),this.document=e,this.selection=e.selection,this.domConverter=e.domConverter,this._documents=new WeakSet,this._fireSelectionChangeDoneDebounced=Gp((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(),o=this.domConverter.domSelectionToView(t);if(!(this.selection.isEqual(o)&&this.domConverter.isDomSelectionCorrect(t))){if(60<++this._loopbackCounter)return void _a.warn('selectionchange-infinite-loop: Selection change observer detected an infinite rendering loop.');if(this.selection.isSimilar(o))this.document.render();else{const e={oldSelection:this.selection,newSelection:o,domSelection:t};this.document.fire('selectionChange',e),this._fireSelectionChangeDoneDebounced(e)}}}}_clearInfiniteLoop(){this._loopbackCounter=0}}class Xp{constructor(e,t,o){this.document=e,this.domEvent=t,this.domTarget=t.target,Ls(this,o)}get target(){return this.document.domConverter.mapDomToView(this.domTarget)}preventDefault(){this.domEvent.preventDefault()}stopPropagation(){this.domEvent.stopPropagation()}}class Zp extends $p{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,o){this.isEnabled&&this.document.fire(e,new Xp(this.document,t,o))}}class eg extends Zp{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,o)=>{const n=e.selection.editableElement;(null===n||n===o.target)&&(e.isFocused=!1,e.render())})}onDomEvent(e){this.fire(e.type,e)}destroy(){this._renderTimeoutId&&clearTimeout(this._renderTimeoutId),super.destroy()}}class tg extends Zp{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 te(this)}})}}class og extends $p{constructor(e){super(e),this._fireSelectionChangeDoneDebounced=Gp((e)=>this.document.fire('selectionChangeDone',e),200)}observe(){const e=this.document;e.on('keydown',(t,o)=>{const n=e.selection;n.isFake&&To(o.keyCode)&&this.isEnabled&&(o.preventDefault(),this._handleSelectionMove(o.keyCode))},{priority:'lowest'})}destroy(){super.destroy(),this._fireSelectionChangeDoneDebounced.cancel()}_handleSelectionMove(e){const t=this.document.selection,o=Np.createFromSelection(t);o.setFake(!1),(e==pc.arrowleft||e==pc.arrowup)&&o.collapseToStart(),(e==pc.arrowright||e==pc.arrowdown)&&o.collapseToEnd();const n={oldSelection:t,newSelection:o,domSelection:null};this.document.fire('selectionChange',n),this._fireSelectionChangeDoneDebounced(n)}}var ng=function(e){return!!e&&1===e.nodeType&&la(e)&&!ga(e)};class ig{constructor(e){const t=Po(e);if(Object.defineProperty(this,'_source',{value:e._source||e,writable:!0,enumerable:!1}),ng(e)||t){const o=t?e.startContainer:e;o.ownerDocument&&o.ownerDocument.body.contains(o)||_a.warn('rect-source-not-in-dom: The source of this rect does not belong to any rendered DOM tree.',{source:e}),t?Vo(this,ig.getDomRangeRects(e)[0]):Vo(this,e.getBoundingClientRect())}else if(Eo(e)){const{innerWidth:t,innerHeight:o}=e;Vo(this,{top:0,right:t,bottom:o,left:0,width:t,height:o})}else Vo(this,e)}clone(){return new ig(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:na(this.top,e.top),right:oa(this.right,e.right),bottom:oa(this.bottom,e.bottom),left:na(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 ig(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(!Oo(e))for(let o=e.parentNode||e.commonAncestorContainer;o&&!Oo(o);){const e=new ig(o),n=t.getIntersection(e);if(n)n.getArea()<t.getArea()&&(t=n);else return null;o=o.parentNode}return t}isEqual(e){for(const t of rg)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,o;if(Eo(e))t=e.innerWidth-e.document.documentElement.clientWidth,o=e.innerHeight-e.document.documentElement.clientHeight;else{const n=So(this._source);t=e.offsetWidth-e.clientWidth,o=e.offsetHeight-e.clientHeight,this.moveBy(n.left,n.top)}return this.width-=t,this.right-=t,this.height-=o,this.bottom-=o,this}static getDomRangeRects(e){const t=[],o=Array.from(e.getClientRects());if(o.length)for(const e of o)t.push(new ig(e));else{const o=new ig(e.startContainer.getBoundingClientRect());o.right=o.left,o.width=0,t.push(o)}return t}}const rg=['top','right','bottom','left','width','height'];Object.assign({},{scrollViewportToShowTarget:Ro,scrollAncestorsToShowTarget:function(e){const t=zo(e);No(t,()=>new ig(e))}});class ag{constructor(){this.domRoots=new Map,this.selection=new Np,this.domConverter=new qp,this.roots=new Map,this.set('isReadOnly',!1),this.set('isFocused',!1),this.renderer=new zp(this.domConverter,this.selection),this.renderer.bind('isFocused').to(this),this._observers=new Map,this.addObserver(Up),this.addObserver(Yp),this.addObserver(eg),this.addObserver(tg),this.addObserver(og),fo(this),re(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[o,n]of this.domRoots)t.observe(n,o);return t.enable(),t}getObserver(e){return this._observers.get(e)}createRoot(e,t='main'){const o='string'==typeof e?e:e.tagName,n=new Wp(o.toLowerCase(),t);return n.document=this,this.roots.set(t,n),n.on('change:children',(e,t)=>this.renderer.markToSync('children',t)),n.on('change:attributes',(e,t)=>this.renderer.markToSync('attributes',t)),n.on('change:text',(e,t)=>this.renderer.markToSync('text',t)),this.domConverter.isElement(e)&&this.attachDomRoot(e,t),n}attachDomRoot(e,t='main'){const o=this.getRoot(t);this.domRoots.set(t,e),this.domConverter.bindElements(e,o),this.renderer.markToSync('children',o),this.renderer.domDocuments.add(e.ownerDocument);for(const o of this._observers.values())o.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()):_a.warn('view-focus-no-selection: There is no selection in any editable to focus.')}}scrollToTheSelection(){const e=this.selection.getFirstRange();e&&Ro({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()}}s(ag,Ws);class sg{constructor(e){this.model=e,this.view=new ag,this.mapper=new tc,this.modelToView=new ic(this.model,{mapper:this.mapper,viewSelection:this.view.selection}),this.listenTo(this.model,'change',(e,t,o)=>{this.modelToView.convertChange(t,o)},{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',qo(this.model,this.mapper)),this.modelToView.on('insert:$text',Ve(),{priority:'lowest'}),this.modelToView.on('remove',Be(),{priority:'low'}),this.modelToView.on('selection',Jo(),{priority:'low'}),this.modelToView.on('selection',Go(),{priority:'low'}),this.modelToView.on('selection',Ho(),{priority:'low'}),this.modelToView.on('selection',Wo(),{priority:'low'})}createRoot(e,t='main'){const o=this.view.createRoot(e,t),n=this.model.getRoot(t);return this.mapper.bindElements(n,o),o}destroy(){this.view.destroy(),this.stopListening()}}s(sg,Ws);class lg extends Ep{constructor(e,t){super(t),this.element=e,this.editing=new sg(this.document),this.editing.view.bind('isReadOnly').to(this),this.keystrokes=new Fp(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(){Xo(this.element,this.getData())}loadDataFromEditorElement(){this.setData(Yo(this.element))}_attachToForm(){const e=this.element;if(e&&'textarea'===e.tagName.toLowerCase()&&e.form){let t;const o=e.form,n=()=>this.updateEditorElement();ja(o.submit)&&(t=o.submit,o.submit=()=>{n(),t.apply(o)}),o.addEventListener('submit',n),this.on('destroy',()=>{o.removeEventListener('submit',n),t&&(o.submit=t)})}}static create(e,t){return new Promise((o)=>{const n=new this(e,t);o(n.initPlugins().then(()=>{n.fire('dataReady'),n.fire('ready')}).then(()=>n))})}}class dg{getHtml(e){const t=document.implementation.createHTMLDocument(''),o=t.createElement('div');return o.appendChild(e),o.innerHTML}}class cg{constructor(){this._domParser=new DOMParser,this._domConverter=new qp({blockFiller:Bp}),this._htmlWriter=new dg}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'),o=t.createDocumentFragment(),n=t.body.childNodes;for(;0<n.length;)o.appendChild(n[0]);return o}}class ug{constructor(e){this.editor=e}destroy(){this.stopListening()}}s(ug,Ws);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 o;const n=this._idProperty;if(n in e){if(o=e[n],'string'!=typeof o)throw new ba('collection-add-invalid-id');if(this.get(o))throw new ba('collection-add-item-already-exists')}else e[n]=o=l();if(void 0===t)t=this._items.length;else if(t>this._items.length||0>t)throw new ba('collection-add-item-invalid-index');return this._items.splice(t,0,e),this._itemMap.set(o,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 ba('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,o,n,i;const r=this._idProperty;if('string'==typeof e?(n=e,i=this._itemMap.get(n),t=!i,i&&(o=this._items.indexOf(i))):'number'==typeof e?(o=e,i=this._items[o],t=!i,i&&(n=i[r])):(i=e,n=i[r],o=this._items.indexOf(i),t=-1==o||!this._itemMap.get(n)),t)throw new ba('collection-remove-404: Item not found.');this._items.splice(o,1),this._itemMap.delete(n);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 ba('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,o=(o,n,i)=>{const r=t._bindToCollection==this,a=t._bindToInternalToExternalMap.get(n);if(r&&a)this._bindToExternalToInternalMap.set(n,a),this._bindToInternalToExternalMap.set(a,n);else{const t=e(n);this._bindToExternalToInternalMap.set(n,t),this._bindToInternalToExternalMap.set(t,n),this.add(t,i)}};for(const n of t)o(null,n);this.listenTo(t,'add',o),this.listenTo(t,'remove',(e,t)=>{const o=this._bindToExternalToInternalMap.get(t);o&&this.remove(o)})}[Symbol.iterator](){return this._items[Symbol.iterator]()}}s(mg,Va);class pg extends mg{constructor(e){super({idProperty:'viewUid'}),this.on('add',(e,t,o)=>{t.isRendered||t.render(),t.element&&this._parentElement&&this._parentElement.insertBefore(t.element,this._parentElement.children[o])}),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||!Zo(e))throw new ba('ui-viewcollection-delegate-wrong-events: All event names must be strings.');return{to:(t)=>{for(const o of this)for(const n of e)o.delegate(n).to(t);this.on('add',(o,n)=>{for(const i of e)n.delegate(i).to(t)}),this.on('remove',(o,n)=>{for(const i of e)n.stopDelegating(i,t)})}}}}s(mg,Ws);var gg=function(e,t){return qd(e,!0,!0,t)};class fg{constructor(e){Object.assign(this,ln(sn(e))),this._isRendered=!1,this._revertData=null}render(){const e=this._renderNode({intoFragment:!0});return this._isRendered=!0,e}apply(e){return this._revertData=wn(),this._renderNode({node:e,isApplying:!0,revertData:this._revertData}),e}revert(e){if(!this._revertData)throw new ba('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 o of t.children)kn(o)?yield o:_n(o)&&(yield*e(o))}yield*e(this)}static bind(e,t){return{to(o,n){return new bg({eventNameOrFunction:o,attribute:o,observable:e,emitter:t,callback:n})},if(o,n,i){return new kg({observable:e,emitter:t,attribute:o,valueIfTrue:n,callback:i})}}}static extend(e,t){e._isRendered&&_a.warn('template-extend-render: Attempting to extend a template which has already been rendered.'),hn(e,ln(sn(t)))}_renderNode(e){let t;if(t=e.node?this.tag&&this.text:this.tag?this.text:!this.text,t)throw new ba('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(''),en(this.text)?this._bindToObservable({schema:this.text,updater:nn(t),data:e}):t.textContent=this.text.join(''),t}_renderAttributes(e){let t,o,n,i;if(this.attributes){const r=e.node,a=e.revertData;for(t in this.attributes)if(n=r.getAttribute(t),o=this.attributes[t],a&&(a.attributes[t]=n),i=Da(o[0])&&o[0].ns?o[0].ns:null,en(o)){const s=i?o[0].value:o;a&&yn(t)&&s.unshift(n),this._bindToObservable({schema:s,updater:rn(r,t,i),data:e})}else'style'==t&&'string'!=typeof o[0]?this._renderStyleAttribute(o[0],e):(a&&n&&yn(t)&&o.unshift(n),o=o.map((e)=>e?e.value||e:e).reduce((e,t)=>e.concat(t),[]).reduce(gn,''),bn(o)||r.setAttributeNS(i,t,o))}}_renderStyleAttribute(e,t){const o=t.node;for(const n in e){const i=e[n];en(i)?this._bindToObservable({schema:[i],updater:an(o,n),data:t}):o.style[n]=i}}_renderElementChildren(e){const t=e.node,o=e.intoFragment?document.createDocumentFragment():t,n=e.isApplying;let i=0;for(const r of this.children)if(vn(r)){if(!n){r.setParent(t);for(const e of r)o.appendChild(e.element)}}else if(kn(r))n||(!r.isRendered&&r.render(),o.appendChild(r.element));else if(so(r))o.appendChild(r);else if(n){const t=e.revertData,n=wn();t.children.push(n),r._renderNode({node:o.childNodes[i++],isApplying:!0,revertData:n})}else o.appendChild(r.render());e.intoFragment&&t.appendChild(o)}_setUpListeners(e){if(this.eventListeners)for(const t in this.eventListeners){const o=this.eventListeners[t].map((o)=>{const[n,i]=t.split('@');return o.activateDomEventListener(n,i,e)});e.revertData&&e.revertData.bindings.push(o)}}_bindToObservable({schema:e,updater:t,data:o}){const n=o.revertData;on(e,t,o);const i=e.filter((e)=>!bn(e)).filter((e)=>e.observable).map((n)=>n.activateAttributeListener(e,t,o));n&&n.bindings.push(i)}_revertTemplateFromNode(e,t){for(const o of t.bindings)for(const e of o)e();if(t.text)return void(e.textContent=t.text);for(const o in t.attributes){const n=t.attributes[o];null===n?e.removeAttribute(o):e.setAttribute(o,n)}for(let o=0;o<t.children.length;++o)this._revertTemplateFromNode(e.childNodes[o],t.children[o])}}s(fg,Va);class hg{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,o){const n=()=>on(e,t,o);return this.emitter.listenTo(this.observable,'change:'+this.attribute,n),()=>{this.emitter.stopListening(this.observable,'change:'+this.attribute,n)}}}class bg extends hg{activateDomEventListener(e,t,o){const n=(e,o)=>{(!t||o.target.matches(t))&&('function'==typeof this.eventNameOrFunction?this.eventNameOrFunction(o):this.observable.fire(this.eventNameOrFunction,o))};return this.emitter.listenTo(o.node,e,n),()=>{this.emitter.stopListening(o.node,e,n)}}}class kg extends hg{getValue(e){const t=super.getValue(e);return!bn(t)&&(this.valueIfTrue||!0)}}var _g=o(8),vg=o.n(_g);class wg{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,o)=>{o.locale=e})}get bindTemplate(){return this._bindTemplate?this._bindTemplate:this._bindTemplate=fg.bind(this,this)}createCollection(){const e=new pg;return this._viewCollections.add(e),e}registerChildren(e){S(e)||(e=[e]);for(const t of e)this._unboundChildren.add(t)}deregisterChildren(e){S(e)||(e=[e]);for(const t of e)this._unboundChildren.remove(t)}setTemplate(e){this.template=new fg(e)}extendTemplate(e){fg.extend(this.template,e)}render(){if(this.isRendered)throw new ba('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())}}s(wg,Vp),s(wg,Ws);var yg=o(11),xg=o.n(yg);const Ag=function(e){return(t)=>t+e}('px'),Cg=jp.document.body;class Tg extends wg{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',Ag),left:t.to('left',Ag)}},children:this.content})}show(){this.isVisible=!0}hide(){this.isVisible=!1}attachTo(e){this.show();const t=Tg.defaultPositions,o=Object.assign({},{element:this.element,positions:[t.southArrowNorthWest,t.southArrowNorthEast,t.northArrowSouthWest,t.northArrowSouthEast],limiter:Cg,fitInViewport:!0},e),{top:n,left:i,name:r}=An(o);Object.assign(this,{top:n,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=En(e.target),o=e.limiter?En(e.limiter):Cg;this.listenTo(jp.document,'scroll',(n,i)=>{const r=i.target,a=t&&r.contains(t),s=o&&r.contains(o);(a||s||!t||!o)&&this.attachTo(e)},{useCapture:!0}),this.listenTo(jp.window,'resize',()=>{this.attachTo(e)})}_stopPinning(){this.stopListening(jp.document,'scroll'),this.stopListening(jp.window,'resize')}}Tg.arrowHorizontalOffset=30,Tg.arrowVerticalOffset=15,Tg.defaultPositions={northArrowSouth:(e,t)=>({top:Sn(e,t),left:e.left+e.width/2-t.width/2,name:'arrow_s'}),northArrowSouthEast:(e,t)=>({top:Sn(e,t),left:e.left+e.width/2-t.width+Tg.arrowHorizontalOffset,name:'arrow_se'}),northArrowSouthWest:(e,t)=>({top:Sn(e,t),left:e.left+e.width/2-Tg.arrowHorizontalOffset,name:'arrow_sw'}),northWestArrowSouth:(e,t)=>({top:Sn(e,t),left:e.left-t.width/2,name:'arrow_s'}),northWestArrowSouthWest:(e,t)=>({top:Sn(e,t),left:e.left-Tg.arrowHorizontalOffset,name:'arrow_sw'}),northWestArrowSouthEast:(e,t)=>({top:Sn(e,t),left:e.left-t.width+Tg.arrowHorizontalOffset,name:'arrow_se'}),northEastArrowSouth:(e,t)=>({top:Sn(e,t),left:e.right-t.width/2,name:'arrow_s'}),northEastArrowSouthEast:(e,t)=>({top:Sn(e,t),left:e.right-t.width+Tg.arrowHorizontalOffset,name:'arrow_se'}),northEastArrowSouthWest:(e,t)=>({top:Sn(e,t),left:e.right-Tg.arrowHorizontalOffset,name:'arrow_sw'}),southArrowNorth:(e,t)=>({top:Vn(e,t),left:e.left+e.width/2-t.width/2,name:'arrow_n'}),southArrowNorthEast:(e,t)=>({top:Vn(e,t),left:e.left+e.width/2-t.width+Tg.arrowHorizontalOffset,name:'arrow_ne'}),southArrowNorthWest:(e,t)=>({top:Vn(e,t),left:e.left+e.width/2-Tg.arrowHorizontalOffset,name:'arrow_nw'}),southWestArrowNorth:(e,t)=>({top:Vn(e,t),left:e.left-t.width/2,name:'arrow_n'}),southWestArrowNorthWest:(e,t)=>({top:Vn(e,t),left:e.left-Tg.arrowHorizontalOffset,name:'arrow_nw'}),southWestArrowNorthEast:(e,t)=>({top:Vn(e,t),left:e.left-t.width+Tg.arrowHorizontalOffset,name:'arrow_ne'}),southEastArrowNorth:(e,t)=>({top:Vn(e,t),left:e.right-t.width/2,name:'arrow_n'}),southEastArrowNorthEast:(e,t)=>({top:Vn(e,t),left:e.right-t.width+Tg.arrowHorizontalOffset,name:'arrow_ne'}),southEastArrowNorthWest:(e,t)=>({top:Vn(e,t),left:e.right-Tg.arrowHorizontalOffset,name:'arrow_nw'})};class Pg extends ug{static get pluginName(){return'ContextualBalloon'}init(){this.view=new Tg,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 ba('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 ba('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=On(this._stack.values()).position;return e&&!e.limiter&&(e=Object.assign({},e,{limiter:this.positionLimiter})),e}}class Eg{constructor(){this.set('isFocused',!1),this.focusedElement=null,this._elements=new Set,this._nextEventLoopTimeout=null}add(e){if(this._elements.has(e))throw new ba('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)}}s(Eg,Vp),s(Eg,Ws);class Sg{constructor(e){if(Object.assign(this,e),e.actions&&e.keystrokeHandler)for(const t in e.actions){let o=e.actions[t];'string'==typeof o&&(o=[o]);for(const n of o)e.keystrokeHandler.set(n,(e,o)=>{this[t](),o()})}}get first(){return this.focusables.find(Rn)||null}get last(){return this.focusables.filter(Rn).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,o)=>{const n=t.element===this.focusTracker.focusedElement;return n&&(e=o),n}),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,o=this.focusables.length;if(!o)return null;if(null===t)return this[1===e?'first':'last'];let n=(t+o+e)%o;do{const t=this.focusables.get(n);if(Rn(t))return t;n=(n+o+e)%o}while(n!==t);return null}}class Vg extends wg{constructor(e){super(e),this.setTemplate({tag:'span',attributes:{class:['ck-toolbar__separator']}})}}var Og=o(13),Rg=o.n(Og);class Fg extends wg{constructor(e){super(e),this.items=this.createCollection(),this.focusTracker=new Eg,this.keystrokes=new Rp,this._focusCycler=new Sg({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:Fn(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 Vg):t.has(e)?this.items.add(t.create(e)):_a.warn('toolbarview-item-unavailable: The requested toolbar item is unavailable.',{name:e})})}}class Ng extends ug{static get pluginName(){return'ContextualToolbar'}static get requires(){return[Pg]}init(){const e=this.editor;this.toolbarView=new Fg(e.locale),this.toolbarView.extendTemplate({attributes:{class:['ck-editor-toolbar','ck-toolbar_floating']}}),this.toolbarView.render(),this._balloon=e.plugins.get(Pg),this._fireSelectionChangeDebounced=Gp(()=>this.fire('_selectionChangeDebounced'),200),this._handleSelectionChange(),this._handleFocusChange(),this.decorate('show')}afterInit(){const e=Nn(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,o)=>{this._balloon.visibleView!==this.toolbarView||o||this.hide()})}_handleSelectionChange(){const e=this.editor.document.selection,t=this.editor.editing.view;this.listenTo(e,'change:range',(t,o)=>{(o.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,o=t.selection.isBackward;return{target:()=>{const e=t.selection.getFirstRange(),n=ig.getDomRangeRects(t.domConverter.viewRangeToDom(e));return o?n[0]:(1<n.length&&0===n[n.length-1].width&&n.pop(),n[n.length-1])},positions:In(o)}}destroy(){this._fireSelectionChangeDebounced.cancel(),this.stopListening(),super.destroy()}}class Ig{constructor(e){this.editor=e,this._components=new Map}*names(){yield*this._components.keys()}add(e,t){if(this.has(e))throw new ba('componentfactory-item-exists: The item already exists in the component factory.',{name:e});this._components.set(Bn(e),t)}create(e){if(!this.has(e))throw new ba('componentfactory-item-missing: The required component is not registered in the factory.',{name:e});return this._components.get(Bn(e))(this.editor.locale)}has(e){return this._components.has(Bn(e))}}class Bg{constructor(e,t){this.editor=e,this.view=t,this.componentFactory=new Ig(e),this.focusTracker=new Eg,e.editing.createRoot(t.editableElement)}init(){const e=this.editor,t=this.view,o=e.plugins.get('ContextualToolbar');t.render();const n=e.editing.view.getRoot();t.editable.bind('isReadOnly').to(n),t.editable.bind('isFocused').to(this.focusTracker),t.editable.name=n.rootName,this.focusTracker.add(t.editableElement),Mn({origin:e.editing.view,originFocusTracker:this.focusTracker,originKeystrokeHandler:e.keystrokes,toolbar:o.toolbarView,beforeFocus(){o.show()},afterBlur(){o.hide()}})}destroy(){this.view.destroy()}}var Mg=o(15),Dg=o.n(Mg);class Lg extends wg{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 fg({tag:'div',attributes:{class:['ck-body','ck-rounded-corners','ck-reset_all']},children:this.body}).render();document.body.appendChild(e)}}class zg extends wg{constructor(e,t){super(e);const o=this.bindTemplate;t&&(this.element=this.editableElement=t),this.setTemplate({tag:'div',attributes:{class:[o.to('isFocused',(e)=>e?'ck-focused':'ck-blurred'),'ck-editor__editable','ck-rounded-corners'],contenteditable:o.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 jg extends zg{constructor(e,o){super(e,o);const n=this.bindTemplate,i=this.t;this.set('name',null);this.extendTemplate({attributes:{role:'textbox',"aria-label":n.to('name',(e)=>i('ae',[e])),class:'ck-editor__editable_inline'}})}}class qg extends Lg{constructor(e,t){super(e),this.editable=new jg(e,t),this.registerChildren(this.editable)}get editableElement(){return this.editable.element}}class Hg extends lg{constructor(e,t){super(e,t),this.config.get('plugins').push(Ng),this.config.define('contextualToolbar',this.config.get('toolbar')),this.document.createRoot(),this.data.processor=new cg,this.ui=new Bg(this,new qg(this.locale,e))}destroy(){const e=this.getData();return this.ui.destroy(),super.destroy().then(()=>Xo(this.element,e))}static create(e,t){return new Promise((o)=>{const n=new this(e,t);o(n.initPlugins().then(()=>{n.ui.init(),n.fire('uiReady')}).then(()=>n.loadDataFromEditorElement()).then(()=>{n.fire('dataReady'),n.fire('ready')}).then(()=>n))})}}class Wg{constructor(e){this.files=Dn(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 $g extends Zp{constructor(e){function t(t,o){o.preventDefault();const n=o.dropRange?[o.dropRange]:Array.from(e.selection.getRanges());e.fire('clipboardInput',{dataTransfer:o.dataTransfer,targetRanges:n})}super(e),this.domEventType=['paste','copy','cut','drop','dragover'],this.listenTo(e,'paste',t,{priority:'low'}),this.listenTo(e,'drop',t,{priority:'low'})}onDomEvent(e){const t={dataTransfer:new Wg(e.clipboardData?e.clipboardData:e.dataTransfer)};'drop'==e.type&&(t.dropRange=Ln(this.document,e)),this.fire(e.type,e,t)}}const Kg=['figcaption','li'];class Ug extends ug{static get pluginName(){return'Clipboard'}init(){function e(e,i){const r=o.batch(),a=i.dataTransfer,s=t.data.toView(t.data.getSelectedContent(o.selection,r));i.preventDefault(),n.fire('clipboardOutput',{dataTransfer:a,content:s,method:e.name,batch:r})}const t=this.editor,o=t.document,n=t.editing.view;this._htmlDataProcessor=new cg,n.addObserver($g),this.listenTo(n,'clipboardInput',(e,o)=>{if(t.isReadOnly)return;const i=o.dataTransfer;let r='';i.getData('text/html')?r=jn(i.getData('text/html')):i.getData('text/plain')&&(r=zn(i.getData('text/plain'))),r=this._htmlDataProcessor.toView(r),this.fire('inputTransformation',{content:r}),n.scrollToTheSelection()},{priority:'low'}),this.listenTo(this,'inputTransformation',(e,t)=>{if(!t.content.isEmpty){const e=this.editor.data,n=o.batch(),i=e.toModel(t.content,n,'$clipboardHolder');if(0==i.childCount)return;o.enqueueChanges(()=>{e.insertContent(i,o.selection,n)})}},{priority:'low'}),this.listenTo(n,'copy',e,{priority:'low'}),this.listenTo(n,'cut',(o,n)=>{t.isReadOnly?n.preventDefault():e(o,n)},{priority:'low'}),this.listenTo(n,'clipboardOutput',(e,n)=>{n.content.isEmpty||(n.dataTransfer.setData('text/html',this._htmlDataProcessor.toData(n.content)),n.dataTransfer.setData('text/plain',qn(n.content))),'cut'==n.method&&o.enqueueChanges(()=>{t.data.deleteContent(o.selection,n.batch)})},{priority:'low'})}}class Qg{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,o,n)=>{n?(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()}}s(Qg,Ws);class Jg extends Qg{execute(){const e=this.editor.document,t=e.batch();e.enqueueChanges(()=>{Hn(this.editor.data,t,e.selection,e.schema),this.fire('afterExecute',{batch:t})})}}class Gg extends $p{constructor(e){super(e),e.on('keydown',(t,o)=>{this.isEnabled&&o.keyCode==pc.enter&&e.fire('enter',new Xp(e,o.domEvent))})}observe(){}}class Yg extends ug{static get pluginName(){return'Enter'}init(){const e=this.editor,t=e.editing.view;t.addObserver(Gg),e.commands.add('enter',new Jg(e)),this.listenTo(t,'enter',(o,n)=>{e.execute('enter'),n.preventDefault(),t.scrollToTheSelection()},{priority:'low'})}}class Xg{constructor(e,t=20){this.document=e,this.size=0,this.limit=t,this.isLocked=!1,this._changeCallback=(e,t,o,n)=>{this._onBatch(n)},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>=co(e.getOperations())&&this._reset(!0)}_reset(e){(!this.isLocked||e)&&(this._batch=null,this.size=0)}}class Zg extends Qg{constructor(e,t){super(e),this._buffer=new Xg(e.document,t)}get buffer(){return this._buffer}destroy(){super.destroy(),this._buffer.destroy()}execute(e={}){const t=this.editor.document,o=e.text||'',n=o.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),o&&this._buffer.batch.insertText(o,t.selection.getAttributes(),i.start),r?this.editor.data.model.selection.setRanges([r]):e&&this.editor.data.model.selection.setCollapsedAt(i.start.getShiftedBy(n)),this._buffer.unlock(),this._buffer.input(n)})}}class ef extends ug{static get pluginName(){return'Input'}init(){const e=this.editor,t=e.editing.view,o=new Zg(e,e.config.get('typing.undoStep')||20);e.commands.add('input',o),this.listenTo(t,'keydown',(e,t)=>{this._handleKeydown(t,o)},{priority:'lowest'}),this.listenTo(t,'mutations',(e,t,o)=>{this._handleMutations(t,o)})}_handleKeydown(e,t){const o=this.editor.document,n=t.buffer;!t.isEnabled||Kn(e)||o.selection.isCollapsed||(n.lock(),o.enqueueChanges(()=>{this.editor.data.deleteContent(o.selection,n.batch)}),n.unlock())}_handleMutations(e,t){new tf(this.editor).handle(e,t)}}class tf{constructor(e){this.editor=e,this.editing=this.editor.editing}handle(e,t){if(Gn(e))this._handleContainerChildrenMutations(e,t);else for(const o of e)this._handleTextMutation(o,t),this._handleTextNodeInsertion(o)}_handleContainerChildrenMutations(e,t){const o=Jn(e);if(!o)return;const n=this.editor.editing.view.domConverter,i=n.mapViewToDom(o);if(!i)return;const r=new qp,a=this.editor.data.toModel(r.domToView(i),this.editor.commands.get('input').buffer.batch).getChild(0),s=this.editor.editing.mapper.toModelElement(o),l=Array.from(a.getChildren()),d=Array.from(s.getChildren());if(!Yn(l)||!Yn(d))return;const c=l.map((e)=>e.data).join('').replace(/\u00A0/g,' '),u=d.map((e)=>e.data).join('');if(u===c)return;const m=bo(u,c),{firstChangeAt:p,insertions:g,deletions:f}=Xn(m);let h=null;t&&(h=this.editing.mapper.toModelRange(t.getFirstRange()));const b=c.substr(p,g),k=Zs.createFromParentsAndOffsets(s,p,s,p+f);this.editor.execute('input',{text:b,range:k,resultRange:h})}_handleTextMutation(e,t){if('text'!=e.type)return;const o=e.newText.replace(/\u00A0/g,' '),n=e.oldText.replace(/\u00A0/g,' '),i=bo(n,o),{firstChangeAt:r,insertions:a,deletions:s}=Xn(i);let l=null;t&&(l=this.editing.mapper.toModelRange(t.getFirstRange()));const d=new Zd(e.node,r),c=this.editing.mapper.toModelPosition(d),u=Zs.createFromPositionAndShift(c,s),m=o.substr(r,a);this.editor.execute('input',{text:m,range:u,resultRange:l})}_handleTextNodeInsertion(e){if('children'==e.type){const t=Qn(e),o=new Zd(e.node,t.index),n=this.editing.mapper.toModelPosition(o),i=t.values[0].data;this.editor.execute('input',{text:i.replace(/\u00A0/g,' '),range:new Zs(n)})}}}const of=[te('arrowUp'),te('arrowRight'),te('arrowDown'),te('arrowLeft'),9,16,17,18,20,27,33,34,35,36,229];for(let n=112;135>=n;n++)of.push(n);class nf extends Qg{constructor(e,t){super(e),this.direction=t,this._buffer=new Xg(e.document,e.config.get('typing.undoStep'))}execute(e={}){const t=this.editor.document,o=this.editor.data;t.enqueueChanges(()=>{this._buffer.lock();const n=kp.createFromSelection(t.selection),i=n.isCollapsed;if(n.isCollapsed&&o.modifySelection(n,{direction:this.direction,unit:e.unit}),this._shouldEntireContentBeReplacedWithParagraph(e.sequence||1))return void this._replaceEntireContentWithParagraph();if(n.isCollapsed)return;let r=0;n.getFirstRange().getMinimalFlatRanges().forEach((e)=>{r+=co(e.getWalker({singleCharacters:!0,ignoreElementEnd:!0,shallow:!0}))}),o.deleteContent(n,this._buffer.batch,{doNotResetEntireContent:i}),this._buffer.input(r),t.selection.setRanges(n.getRanges(),n.isBackward),this._buffer.unlock()})}_shouldEntireContentBeReplacedWithParagraph(e){if(1<e)return!1;const t=this.editor.document,o=t.selection,n=t.schema.getLimitElement(o),i=o.isCollapsed&&o.containsEntireContent(n);if(!i)return!1;if(!t.schema.check({name:'paragraph',inside:n.name}))return!1;const r=n.getChild(0);return r&&'paragraph'===r.name?!1:!0}_replaceEntireContentWithParagraph(){const e=this.editor.document,t=e.selection,o=e.schema.getLimitElement(t),n=new Js('paragraph');this._buffer.batch.remove(Zs.createIn(o)),this._buffer.batch.insert(n,o),t.setCollapsedAt(n)}}class rf extends $p{constructor(e){super(e);let t=0;e.on('keyup',(e,o)=>{(o.keyCode==pc.delete||o.keyCode==pc.backspace)&&(t=0)}),e.on('keydown',(o,n)=>{const i={};if(n.keyCode==pc.delete)i.direction='forward',i.unit='character';else if(n.keyCode==pc.backspace)i.direction='backward',i.unit='codePoint';else return;i.unit=n.altKey?'word':i.unit,i.sequence=++t,e.fire('delete',new Xp(e,n.domEvent,i))})}observe(){}}class af extends ug{static get pluginName(){return'Delete'}init(){const e=this.editor,t=e.editing.view;t.addObserver(rf),e.commands.add('forwardDelete',new nf(e,'forward')),e.commands.add('delete',new nf(e,'backward')),this.listenTo(t,'delete',(o,n)=>{e.execute('forward'==n.direction?'forwardDelete':'delete',{unit:n.unit,sequence:n.sequence}),n.preventDefault(),t.scrollToTheSelection()})}}class sf extends ug{static get requires(){return[ef,af]}static get pluginName(){return'Typing'}}class lf extends Qg{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,o={ranges:t.hasOwnRange?Array.from(t.getRanges()):[],isBackward:t.isBackward};this._stack.push({batch:e,selection:o}),this.refresh()}clearStack(){this._stack=[],this.refresh()}_restoreSelection(e,t,o){const n=this.editor.document,i=[];for(const r of e){const e=Zn(r,o),t=e.find((e)=>e.start.root!=n.graveyard);t&&i.push(t)}i.length&&n.selection.setRanges(i,t)}_undo(e){const t=this.editor.document,o=t.batch();this._createdBatches.add(o);const n=e.deltas.slice();n.reverse();for(const i of n)if(i.operations.some((e)=>e.isDocumentOperation)){const e=i.baseVersion+i.operations.length,n=Array.from(t.history.getDeltas(e)),r=t.transformDeltas([i.getReversed()],n,!0),a=r.deltasA;for(const e of a){e.baseVersion=t.version,o.addDelta(e);for(const o of e.operations)t.applyOperation(o);t.history.setDeltaAsUndone(i,e)}}return o}}class df extends lf{execute(e=null){const t=e?this._stack.findIndex((t)=>t.batch==e):this._stack.length-1,o=this._stack.splice(t,1)[0];this.editor.document.enqueueChanges(()=>{const e=this._undo(o.batch),t=this.editor.document.history.getDeltas(o.batch.baseVersion);this._restoreSelection(o.selection.ranges,o.selection.isBackward,t),this.fire('revert',o.batch,e)}),this.refresh()}}class cf extends lf{execute(){const e=this._stack.pop();this.editor.document.enqueueChanges(()=>{const t=e.batch.deltas[e.batch.deltas.length-1],o=t.baseVersion+t.operations.length,n=this.editor.document.history.getDeltas(o);this._restoreSelection(e.selection.ranges,e.selection.isBackward,n),this._undo(e.batch)}),this.refresh()}}class uf extends ug{constructor(e){super(e),this._batchRegistry=new WeakSet}init(){this._undoCommand=new df(this.editor),this._redoCommand=new cf(this.editor),this.editor.commands.add('undo',this._undoCommand),this.editor.commands.add('redo',this._redoCommand),this.listenTo(this.editor.document,'change',(e,t,o,n)=>{this._batchRegistry.has(n)||'transparent'==n.type||(this._redoCommand._createdBatches.has(n)?this._undoCommand.addBatch(n):!this._undoCommand._createdBatches.has(n)&&(this._undoCommand.addBatch(n),this._redoCommand.clearStack()),this._batchRegistry.add(n))},{priority:'highest'}),this.listenTo(this._undoCommand,'revert',(e,t,o)=>{this._redoCommand.addBatch(o)})}}var mf=o(17),pf=o.n(mf);class gf extends wg{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])}}}var ff=o(19),hf=o.n(ff);class bf extends wg{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')}]}]})}}var kf=o(21),_f=o.n(kf);class vf extends wg{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 gf;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 bf;return e.bind('text').to(this,'_tooltipString'),e.bind('position').to(this,'tooltipPosition'),e}_createLabelView(){const e=new wg;return e.setTemplate({tag:'span',attributes:{class:['ck-button__label']},children:[{text:this.bindTemplate.to('label')}]}),e}_getTooltipString(e,t,o){return e?'string'==typeof e?e:(o&&(o=ne(o)),e instanceof Function?e(t,o):`${t}${o?` (${o})`:''}`):''}}var wf=o(23),yf=o.n(wf),xf=o(24),Af=o.n(xf);class Cf extends ug{static get requires(){return[uf]}static get pluginName(){return'Undo'}init(){const e=this.editor,o=e.t;this._addButton('undo',o('ac'),'CTRL+Z',yf.a),this._addButton('redo',o('ad'),'CTRL+Y',Af.a),e.keystrokes.set('CTRL+Z','undo'),e.keystrokes.set('CTRL+Y','redo'),e.keystrokes.set('CTRL+SHIFT+Z','redo')}_addButton(e,t,o,n){const i=this.editor,r=i.commands.get(e);i.ui.componentFactory.add(e,(a)=>{const s=new vf(a);return s.set({label:t,icon:n,keystroke:o,tooltip:!0}),s.bind('isEnabled').to(r,'isEnabled'),this.listenTo(s,'execute',()=>i.execute(e)),s})}}class Tf extends ug{static get requires(){return[Ug,Yg,sf,Cf]}}class Pf{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((o,n)=>{t.onload=()=>{o(t.result)},t.onerror=()=>{n('error')},t.onabort=()=>{n('aborted')},this._reader.readAsDataURL(e)})}abort(){this._reader.abort()}}s(Pf,Ws);class Ef extends ug{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 _a.error('filerepository-no-adapter: Upload adapter is not defined.'),null;const t=new Sf(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 Sf?e:this.getLoader(e);t._destroy(),this.loaders.remove(t)}}s(Ef,Ws);class Sf{constructor(e,t){this.id=l(),this.file=e,this._adapter=t,this._reader=new Pf,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 ba('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 ba('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}}s(Sf,Ws);const Vf='ckCsrfToken',Of=40,Rf='abcdefghijklmnopqrstuvwxyz0123456789';class Ff extends ug{static get requires(){return[Ef]}static get pluginName(){return'CKFinderUploadAdapter'}init(){const e=this.editor.config.get('ckfinder.uploadUrl');e&&(this.editor.plugins.get(Ef).createAdapter=(t)=>new Nf(t,e,this.editor.t))}}class Nf{constructor(e,o,n){this.loader=e,this.url=o,this.t=n}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,o){const n=this.xhr,i=this.loader,r=this.t,t=r('a')+` ${i.file.name}.`;n.addEventListener('error',()=>o(t)),n.addEventListener('abort',()=>o()),n.addEventListener('load',()=>{const i=n.response;return i&&i.uploaded?void e({default:i.url}):o(i&&i.error&&i.error.message?i.error.message:t)}),n.upload&&n.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',ti()),this.xhr.send(e)}}class If{constructor(e,t,o){let n;if('function'==typeof o)n=o;else{n=(t)=>{const{batch:n}=t;e.execute(o,{batch:n})}}e.document.on('change',(o,i,r,a)=>{if('transparent'==a.type)return;if('insert'!=i)return;const s=r.range.getItems().next().value;if(!(s instanceof Us))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(),o=Zs.createFromParentsAndOffsets(l.parent,0,l.parent,c[0].length);t.remove(o),n({fixBatch:t,match:c})})})}}class Bf{constructor(e,t,o){let n,i,r,a;t instanceof RegExp?n=t:r=t,'string'==typeof o?i=o:a=o,r=r||((e)=>{let t;const o=[],i=[];for(;null!==(t=n.exec(e))&&!(t&&4>t.length);){let{index:e,1:n,2:r,3:a}=t;e+=t[0].length-(n+r+a).length;const s=[e,e+n.length],l=[e+n.length+r.length,e+n.length+r.length+a.length];o.push(s),o.push(l),i.push([e+n.length,e+n.length+r.length])}return{remove:o,format:i}}),a=a||((e,t)=>{for(const o of t)e.setAttribute(i,!0,o)}),e.document.on('change',(t,o,n,s)=>{if('transparent'==s.type)return;if('insert'!==o)return;const l=e.document.selection;if(!l.isCollapsed||!l.focus||!l.focus.parent)return;const d=l.focus.parent,c=ri(d).slice(0,l.focus.offset),u=r(c),m=[];u.format.forEach((e)=>{void 0===e[0]||void 0===e[1]||m.push(bp.createFromParentsAndOffsets(d,e[0],d,e[1]))});const p=[];u.remove.slice().reverse().forEach((e)=>{void 0===e[0]||void 0===e[1]||p.push(bp.createFromParentsAndOffsets(d,e[0],d,e[1]))});m.length&&p.length&&e.document.enqueueChanges(()=>{const t=e.document.batch(),o=e.document.schema.getValidRanges(m,i);a(t,o),m.forEach((e)=>e.detach());for(const e of p)t.remove(e),e.detach()})})}}class Mf extends ug{static get pluginName(){return'Autoformat'}afterInit(){this._addListAutoformats(),this._addBasicStylesAutoformats(),this._addHeadingAutoformats(),this._addBlockQuoteAutoformats()}_addListAutoformats(){const e=this.editor.commands;e.get('bulletedList')&&new If(this.editor,/^[*-]\s$/,'bulletedList'),e.get('numberedList')&&new If(this.editor,/^\d+[.|)]\s$/,'numberedList')}_addBasicStylesAutoformats(){const e=this.editor.commands;e.get('bold')&&(new Bf(this.editor,/(\*\*)([^*]+)(\*\*)$/g,'bold'),new Bf(this.editor,/(__)([^_]+)(__)$/g,'bold')),e.get('italic')&&(new Bf(this.editor,/(?:^|[^*])(\*)([^*_]+)(\*)$/g,'italic'),new Bf(this.editor,/(?:^|[^_])(_)([^_]+)(_)$/g,'italic')),e.get('code')&&new Bf(this.editor,/(`)([^`]+)(`)$/g,'code')}_addHeadingAutoformats(){Array.from(this.editor.commands.names()).filter((e)=>e.match(/^heading[1-6]$/)).forEach((e)=>{const t=e[7],o=new RegExp(`^(#{${t}})\\s$`);new If(this.editor,o,(t)=>{const{batch:o}=t;this.editor.execute(e,{batch:o})})})}_addBlockQuoteAutoformats(){this.editor.commands.get('blockQuote')&&new If(this.editor,/^>\s$/,'blockQuote')}}class Df{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 o of this._dispatchers)if('element'==this._from.type)e='string'==typeof e?new Gd(e):e,o.on('insert:'+this._from.name,Se(e),{priority:t});else if('attribute'==this._from.type)e='string'==typeof e?new ac(e):e,o.on('addAttribute:'+this._from.key,Ne(e),{priority:t}),o.on('changeAttribute:'+this._from.key,Ne(e),{priority:t}),o.on('removeAttribute:'+this._from.key,Ie(e),{priority:t}),o.on('selectionAttribute:'+this._from.key,$o(e),{priority:t});else{const t=null===this._from.priority?'normal':this._from.priority;e='string'==typeof e?new gc(e):e,o.on('addMarker:'+this._from.name,Oe(e),{priority:t}),o.on('removeMarker:'+this._from.name,Le(e),{priority:t})}}toHighlight(e){const t=null===this._from.priority?'normal':this._from.priority;if('marker'!=this._from.type)throw new ba('build-model-converter-non-marker-to-highlight: Conversion to a highlight is supported only from model markers.');for(const o of this._dispatchers)o.on('addMarker:'+this._from.name,Me(e),{priority:t}),o.on('addMarker:'+this._from.name,De(e),{priority:t}),o.on('removeMarker:'+this._from.name,Me(e),{priority:t}),o.on('removeMarker:'+this._from.name,De(e),{priority:t}),o.on('selectionMarker:'+this._from.name,Ko(e),{priority:t})}toAttribute(e,t){if('attribute'!=this._from.type)throw new ba('build-model-converter-non-attribute-to-attribute: To-attribute conversion is supported only from model attributes.');let o=e?'string'==typeof e?t?function(){return{key:e,value:t}}:function(t){return{key:e,value:t}}:e:void 0;for(const n of this._dispatchers){const e={priority:this._from.priority||'normal'};n.on('addAttribute:'+this._from.key,Re(o),e),n.on('changeAttribute:'+this._from.key,Re(o),e),n.on('removeAttribute:'+this._from.key,Fe(o),e)}}}class Lf{constructor(){this._dispatchers=[],this._from=[]}for(...e){return this._dispatchers=e,this}fromElement(e){return this.from({name:e})}fromAttribute(e,t=/.*/){const o={};'style'===e||'class'===e?o[e]=t:(o.attribute={},o.attribute[e]=t);const n=new Kd(o);return this._from.push({matcher:n,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(o,n,i,r)=>{const a=r.batch,s=t.matcher.matchAll(n.input);if(s)for(const o of s){const s=e instanceof Function?e(n.input,a):a.createElement(e);if(!s)continue;const l=Array.from(s.getAttributeKeys());if(!r.schema.check({name:s.name,attributes:l,inside:n.context}))continue;if(!i.consume(n.input,t.consume||o.match))continue;n.context.push(s);const d=r.convertChildren(n.input,i,n);for(const e of Array.from(d))a.append(e,s);n.context.pop(),n.output=s;break}}},'normal')}toAttribute(e,t){this._setCallback(function(o){return(n,i,r,a)=>{const s=o.matcher.matchAll(i.input);if(s)for(const n of s){if(!r.consume(i.input,o.consume||n.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(o.attributeKey)};else if(s=e(i.input),!s)return;si(i.output,s,i,a);break}}},'low')}toMarker(e){this._setCallback(function(t){return(o,n,i,r)=>{const a=r.batch,s=t.matcher.matchAll(n.input);if(!s)return;let l;if(l=e instanceof Function?e(n.input):a.createElement('$marker',{"data-name":n.input.getAttribute('data-name')}),'$marker'!=l.name||'string'!=typeof l.getAttribute('data-name'))throw new ba('build-view-converter-invalid-marker: Invalid model element to mark marker range.');for(const e of s)if(i.consume(n.input,t.consume||e.match)){n.output=l;break}}},'normal')}_setCallback(e,t){for(const o of this._from){const n=o.matcher.getElementName(),i=n?'element:'+n:'element',r=e(o),a=null===o.priority?t:o.priority;for(const e of this._dispatchers)e.on(i,r,{priority:a})}}}class zf extends Qg{constructor(e,t){super(e),this.attributeKey=t}refresh(){const e=this.editor.document;this.value=e.selection.hasAttribute(this.attributeKey),this.isEnabled=e.schema.checkAttributeInSelection(e.selection,this.attributeKey)}execute(e={}){const t=this.editor.document,o=t.selection,n=e.forceValue===void 0?!this.value:e.forceValue;t.enqueueChanges(()=>{if(o.isCollapsed)n?o.setAttribute(this.attributeKey,!0):o.removeAttribute(this.attributeKey);else{const i=t.schema.getValidRanges(o.getRanges(),this.attributeKey),r=e.batch||t.batch();for(const e of i)n?r.setAttribute(this.attributeKey,n,e):r.removeAttribute(this.attributeKey,e)}})}}const jf='bold';class qf extends ug{init(){const e=this.editor,t=e.data,o=e.editing;e.document.schema.allow({name:'$inline',attributes:jf,inside:'$block'}),e.document.schema.allow({name:'$inline',attributes:jf,inside:'$clipboardHolder'}),ai().for(t.modelToView,o.modelToView).fromAttribute(jf).toElement('strong'),li().for(t.viewToModel).fromElement('strong').fromElement('b').fromAttribute('style',{"font-weight":'bold'}).toAttribute(jf,!0),e.commands.add(jf,new zf(e,jf))}}var Hf=o(25),Wf=o.n(Hf);class $f extends ug{static get requires(){return[qf]}static get pluginName(){return'Bold'}init(){const e=this.editor,o=e.t,t=e.commands.get('bold'),n='CTRL+B';e.ui.componentFactory.add('bold',(i)=>{const r=new vf(i);return r.set({label:o('b'),icon:Wf.a,keystroke:n,tooltip:!0}),r.bind('isOn','isEnabled').to(t,'value','isEnabled'),this.listenTo(r,'execute',()=>e.execute('bold')),r}),e.keystrokes.set(n,'bold')}}const Kf='italic';class Uf extends ug{init(){const e=this.editor,t=e.data,o=e.editing;e.document.schema.allow({name:'$inline',attributes:Kf,inside:'$block'}),e.document.schema.allow({name:'$inline',attributes:Kf,inside:'$clipboardHolder'}),ai().for(t.modelToView,o.modelToView).fromAttribute(Kf).toElement('i'),li().for(t.viewToModel).fromElement('em').fromElement('i').fromAttribute('style',{"font-style":'italic'}).toAttribute(Kf,!0),e.commands.add(Kf,new zf(e,Kf))}}var Qf=o(26),Jf=o.n(Qf);class Gf extends ug{static get requires(){return[Uf]}static get pluginName(){return'Italic'}init(){const e=this.editor,o=e.t,t=e.commands.get('italic'),n='CTRL+I';e.ui.componentFactory.add('italic',(i)=>{const r=new vf(i);return r.set({label:o('c'),icon:Jf.a,keystroke:n,tooltip:!0}),r.bind('isOn','isEnabled').to(t,'value','isEnabled'),this.listenTo(r,'execute',()=>e.execute('italic')),r}),e.keystrokes.set(n,'italic')}}class Yf extends Qg{refresh(){this.value=this._getValue(),this.isEnabled=this._checkEnabled()}execute(e={}){const t=this.editor.document,o=t.schema,n=e.batch||t.batch(),i=Array.from(t.selection.getSelectedBlocks());t.enqueueChanges(()=>{if(this.value)this._removeQuote(n,i.filter(di));else{const e=i.filter((e)=>di(e)||ui(o,e));this._applyQuote(n,e)}})}_getValue(){const e=On(this.editor.document.selection.getSelectedBlocks());return!!(e&&di(e))}_checkEnabled(){if(this.value)return!0;const e=this.editor.document.selection,t=this.editor.document.schema,o=On(e.getSelectedBlocks());return!!o&&ui(t,o)}_removeQuote(e,t){ci(t).reverse().forEach((t)=>{if(t.start.isAtStart&&t.end.isAtEnd)return void e.unwrap(t.start.parent);if(t.start.isAtStart){const o=Xs.createBefore(t.start.parent);return void e.move(t,o)}t.end.isAtEnd||e.split(t.end);const o=Xs.createAfter(t.end.parent);e.move(t,o)})}_applyQuote(e,t){const o=[];ci(t).reverse().forEach((t)=>{let n=di(t.start);n||(n=new Js('blockQuote'),e.wrap(t,n)),o.push(n)}),o.reverse().reduce((t,o)=>t.nextSibling==o?(e.merge(Xs.createAfter(t)),t):o)}}class Xf extends ug{init(){const e=this.editor,t=e.document.schema;e.commands.add('blockQuote',new Yf(e)),t.registerItem('blockQuote'),t.allow({name:'blockQuote',inside:'$root'}),t.allow({name:'$block',inside:'blockQuote'}),li().for(e.data.viewToModel).fromElement('blockquote').toElement('blockQuote'),ai().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 Zf=o(27),eh=o.n(Zf),th=o(28),oh=o.n(th);class nh extends ug{static get requires(){return[Xf]}static get pluginName(){return'BlockQuote'}init(){const e=this.editor,o=e.t,t=e.commands.get('blockQuote');e.ui.componentFactory.add('blockQuote',(n)=>{const i=new vf(n);return i.set({label:o('d'),icon:eh.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,o)=>{const n=this.editor.document,i=n.selection.getLastPosition().parent;n.selection.isCollapsed&&i.isEmpty&&t.value&&(this.editor.execute('blockQuote'),this.editor.editing.view.scrollToTheSelection(),o.preventDefault(),e.stop())})}}const ih=/^data:(\S*?);base64,/;class rh{constructor(e,t,o){if(!e)throw new Error('File must be provided');if(!t)throw new Error('Token must be provided');if(!o)throw new Error('Api address must be provided');this.file=pi(e)?mi(e):e,this._token=t,this._apiAddress=o}onProgress(e){return this.on('progress',(t,o)=>e(o)),this}onError(e){return this.once('error',(t,o)=>e(o)),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,o=this.xhr;o.addEventListener('error',e('Network Error')),o.addEventListener('abort',e('Abort')),o.upload&&o.upload.addEventListener('progress',(e)=>{e.lengthComputable&&this.fire('progress',{total:e.total,uploaded:e.loaded})}),o.addEventListener('load',()=>{const e=o.status,t=o.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((o,n)=>{t.addEventListener('load',()=>{const e=t.status,i=t.response;return 200>e||299<e?n(i.message||i.error):o(i)}),t.addEventListener('error',()=>n('Network Error')),t.addEventListener('abort',()=>n('Abort')),t.send(e)})}}s(rh,Va);const ah={refreshInterval:3.6e6,autoRefresh:!0};class sh{constructor(e,t=ah){if(!e)throw new Error('`tokenUrl` must be provided');this.set('value',t.initValue),this._tokenUrl=e,this._options=Object.assign({},ah,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 o=new XMLHttpRequest;o.open('GET',this._tokenUrl),o.addEventListener('load',()=>{const n=o.status,i=o.response;return 200>n||299<n?t('Cannot download new token!'):(this.set('value',i),e(this))}),o.addEventListener('error',()=>t('Network Error')),o.addEventListener('abort',()=>t('Abort')),o.send()})}_startRefreshing(){this._refreshInterval=setInterval(this._refreshToken.bind(this),this._options.refreshInterval)}_stopRefreshing(){clearInterval(this._refreshInterval)}static create(e,t=ah){const o=new sh(e,t);return o.init()}}s(sh,Ws);class lh extends ug{init(){const e=this.editor,t=e.config,o=t.get('cloudServices')||{};for(const e in o)this[e]=o[e];return(this.uploadUrl||(this.uploadUrl='https://files.cke-cs.com/upload/'),!this.tokenUrl)?void(this.token=null):(this.token=new lh.Token(this.tokenUrl),this.token.init())}}lh.Token=sh;class dh extends ug{static get requires(){return[Ef,lh]}init(){const e=this.editor,t=e.plugins.get(lh),o=t.token,n=t.uploadUrl;o&&(this._uploadGateway=new dh._UploadGateway(o,n),e.plugins.get(Ef).createAdapter=(e)=>new ch(this._uploadGateway,e))}}class ch{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()}}dh._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 rh(e,this._token,this._apiAddress)}};const uh=new WeakSet;class mh{constructor(){this._stack=[]}add(e){const t=this._stack,o=t[0];this._insertDescriptor(e);const n=t[0];o===n||wi(o,n)||this.fire('change:top',{oldDescriptor:o,newDescriptor:n})}remove(e){const t=this._stack,o=t[0];this._removeDescriptor(e);const n=t[0];o===n||wi(o,n)||this.fire('change:top',{oldDescriptor:o,newDescriptor:n})}_insertDescriptor(e){const t=this._stack,o=t.findIndex((t)=>t.id===e.id);if(!wi(e,t[o])){-1<o&&t.splice(o,1);let n=0;for(;t[n]&&yi(t[n],e);)n++;t.splice(n,0,e)}}_removeDescriptor(e){const t=this._stack,o=t.findIndex((t)=>t.id===e);-1<o&&t.splice(o,1)}}s(mh,Va);const ph=Symbol('isWidget'),gh=Symbol('label'),fh='ck-widget',hh='ck-widget_selected',bh=Symbol('isImage');class kh extends ug{init(){const e=this.editor,o=e.document,n=o.schema,i=e.data,r=e.editing,a=e.t;n.registerItem('image'),n.requireAttributes('image',['src']),n.allow({name:'image',attributes:['alt','src','srcset'],inside:'$root'}),n.objects.add('image'),ai().for(i.modelToView).fromElement('image').toElement(()=>Ii()),ai().for(r.modelToView).fromElement('image').toElement(()=>Oi(Ii(),a('n'))),fi([r.modelToView,i.modelToView],'src'),fi([r.modelToView,i.modelToView],'alt'),fi([r.modelToView,i.modelToView],'srcset',hi),li().for(i.viewToModel).from({name:'img',attribute:{src:/./}}).toElement((e)=>new Js('image',{src:e.getAttribute('src')})),i.viewToModel.on('element:img',ki,{priority:'low'}),i.viewToModel.on('element',vi,{priority:'low'}),li().for(i.viewToModel).from({name:'img',attribute:{alt:/./}}).consuming({attribute:['alt']}).toAttribute((e)=>({key:'alt',value:e.getAttribute('alt')})),li().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',gi())}}class _h extends Zp{constructor(e){super(e),this.domEventType='mousedown'}onDomEvent(e){this.fire(e.type,e)}}var vh=o(30),wh=o.n(vh);const yh=oe('Ctrl+A');class xh extends ug{static get pluginName(){return'Widget'}init(){const e=this.editor.editing.view;this._previouslySelected=new Set,this.editor.editing.modelToView.on('selection',(e,t,o,n)=>{this._clearPreviouslySelectedWidgets();const i=n.viewSelection,r=i.getSelectedElement();for(const a of i.getRanges())for(const e of a){const t=e.item;t.is('element')&&Ai(t)&&(t.addClass(hh),this._previouslySelected.add(t),t==r&&i.setFake(!0,{label:Ei(r)}))}},{priority:'low'}),e.addObserver(_h),this.listenTo(e,'mousedown',(...e)=>this._onMousedown(...e)),this.listenTo(e,'keydown',(...e)=>this._onKeydown(...e),{priority:'high'})}_onMousedown(e,t){const o=this.editor,n=o.editing.view;let i=t.target;if(Li(i))return;if(!Ai(i)&&(i=i.findAncestor(Ai),!i))return;t.preventDefault(),n.isFocused||n.focus();const r=o.editing.mapper.toModelElement(i);o.document.enqueueChanges(()=>{this._setSelectionOverElement(r)})}_onKeydown(e,t){const o=t.keyCode,n=o==pc.delete||o==pc.arrowdown||o==pc.arrowright;let i=!1;Mi(o)?i=this._handleDelete(n):Bi(o)?i=this._handleArrowKeys(n):Di(t)&&(i=this._selectAllNestedEditableContent()||this._selectAllContent()),i&&(t.preventDefault(),e.stop())}_handleDelete(e){if(this.editor.isReadOnly)return;const t=this.editor.document,o=t.selection;if(!o.isCollapsed)return;const n=this._getObjectElementNextToSelection(e);if(n)return t.enqueueChanges(()=>{const e=t.batch();for(let t=o.anchor.parent;t.isEmpty;){const o=t;t=o.parent,e.remove(o)}this._setSelectionOverElement(n)}),!0}_handleArrowKeys(e){const t=this.editor.document,o=t.schema,n=t.selection,i=n.getSelectedElement();if(i&&o.objects.has(i.name)){const o=e?n.getLastPosition():n.getFirstPosition(),i=t.getNearestSelectionRange(o,e?'forward':'backward');return i&&t.enqueueChanges(()=>{n.setRanges([i])}),!0}if(!n.isCollapsed)return;const r=this._getObjectElementNextToSelection(e);if(r instanceof Js&&t.schema.objects.has(r.name))return t.enqueueChanges(()=>{this._setSelectionOverElement(r)}),!0}_selectAllNestedEditableContent(){const e=this.editor.document,t=e.selection,o=e.schema,n=o.getLimitElement(t);return t.getFirstRange().root!=n&&(e.enqueueChanges(()=>{t.setIn(n)}),!0)}_selectAllContent(){const e=this.editor.document,t=e.selection,o=this.editor.editing,n=o.view,i=n.selection,r=i.getSelectedElement();if(r&&Ai(r)){const n=o.mapper.toModelElement(r.parent);return e.enqueueChanges(()=>{t.setRanges([Zs.createIn(n)])}),!0}return!1}_setSelectionOverElement(e){this.editor.document.selection.setRanges([Zs.createOn(e)])}_getObjectElementNextToSelection(e){const t=this.editor.document,o=t.schema,n=t.selection,i=this.editor.data,r=kp.createFromSelection(n);i.modifySelection(r,{direction:e?'forward':'backward'});const a=e?r.focus.nodeBefore:r.focus.nodeAfter;return a instanceof Js&&o.objects.has(a.name)?a:null}_clearPreviouslySelectedWidgets(){for(const e of this._previouslySelected)e.removeClass(hh);this._previouslySelected.clear()}}class Ah extends Qg{refresh(){const e=this.editor.document.selection.getSelectedElement();this.isEnabled=Ni(e),this.value=Ni(e)&&e.hasAttribute('alt')&&e.getAttribute('alt')}execute(e){const t=this.editor.document,o=t.selection.getSelectedElement();t.enqueueChanges(()=>{const n=e.batch||t.batch();n.setAttribute('alt',e.newValue,o)})}}class Ch extends ug{init(){this.editor.commands.add('imageTextAlternative',new Ah(this.editor))}}var Th=o(32),Ph=o.n(Th);class Eh extends wg{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 Sh extends wg{constructor(e,t){super(e);const o=`ck-input-${l()}`;this.set('label'),this.set('value'),this.set('isReadOnly',!1),this.labelView=this._createLabelView(o),this.inputView=this._createInputView(t,o);const n=this.bindTemplate;this.setTemplate({tag:'div',attributes:{class:[n.if('isReadOnly','ck-disabled')]},children:[this.labelView,this.inputView]})}_createLabelView(e){const t=new Eh(this.locale);return t.for=e,t.bind('text').to(this,'label'),t}_createInputView(e,t){const o=new e(this.locale);return o.id=t,o.bind('value').to(this),o.bind('isReadOnly').to(this),o}select(){this.inputView.select()}focus(){this.inputView.focus()}}var Vh=o(34),Oh=o.n(Vh);class Rh extends wg{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()}}var Fh=o(36),Nh=o.n(Fh);class Ih extends wg{constructor(e){super(e);const o=this.locale.t;this.focusTracker=new Eg,this.keystrokes=new Rp,this.labeledInput=this._createLabeledInputView(),this.saveButtonView=this._createButton(o('w')),this.saveButtonView.type='submit',this.cancelButtonView=this._createButton(o('x'),'cancel'),this._focusables=new pg,this._focusCycler=new Sg({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),ji({view:this}),[this.labeledInput,this.saveButtonView,this.cancelButtonView].forEach((e)=>{this._focusables.add(e),this.focusTracker.add(e.element)})}_createButton(e,t){const o=new vf(this.locale);return o.label=e,o.withText=!0,t&&o.delegate('execute').to(this,t),o}_createLabeledInputView(){const e=this.locale.t,t=new Sh(this.locale,Rh);return t.label=e('aa'),t}}var Bh=o(38),Mh=o.n(Bh);class Dh extends ug{static get requires(){return[Ch,Pg]}static get pluginName(){return'ImageTextAlternative'}init(){this._createButton(),this._createForm()}_createButton(){const e=this.editor,o=e.commands.get('imageTextAlternative'),n=e.t;e.ui.componentFactory.add('imageTextAlternative',(e)=>{const t=new vf(e);return t.set({label:n('o'),icon:Mh.a,tooltip:!0}),t.bind('isEnabled').to(o,'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 Ih(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',()=>{Fi(t.selection)?this._isVisible&&qi(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'),o=this._form.labeledInput;this._balloon.hasView(this._form)||this._balloon.add({view:this._form,position:Hi(e)}),o.value=o.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 Lh=o(39),zh=o.n(Lh);class jh extends ug{static get requires(){return[kh,xh,Dh]}static get pluginName(){return'Image'}init(){const e=this.editor,t=e.plugins.get('ContextualToolbar');t&&this.listenTo(t,'show',(t)=>{Fi(e.editing.view.selection)&&t.stop()},{priority:'high'})}}class qh extends Qg{execute(e){const t=this.editor,o=t.document,n=e.batch||o.batch(),i=e.file,r=o.selection,a=t.plugins.get(Ef);o.enqueueChanges(()=>{const s=a.createLoader(i);if(!s)return;const l=new Js('image',{uploadId:s.id});let d;d=e.insertAt?new kp([new Zs(e.insertAt)]):o.selection,t.data.insertContent(l,d,n),l.parent&&r.setRanges([Zs.createOn(l)])})}}class Hh extends ug{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?`:${e.namespace}`:'');this.fire(t,{message:e.message,type:e.type,title:e.title||''})}}class Wh extends ug{static get requires(){return[Ef,Hh]}init(){const e=this.editor,t=e.document,o=t.schema,n=e.plugins.get(Ef);o.allow({name:'image',attributes:['uploadId'],inside:'$root'}),o.allow({name:'image',attributes:['uploadStatus'],inside:'$root'}),o.requireAttributes('image',['uploadId']),e.commands.add('imageUpload',new qh(e)),e.editing.view.on('clipboardInput',(o,n)=>{if(Ki(n.dataTransfer))return;let i=new kp(n.targetRanges.map((t)=>e.editing.mapper.toModelRange(t)));for(const r of n.dataTransfer.files){const n=$i(i);Wi(r)&&(e.execute('imageUpload',{file:r,insertAt:n}),o.stop()),i=t.selection}}),e.editing.view.on('dragover',(e,t)=>{t.preventDefault()}),t.on('change',(e,t,o)=>{if('insert'===t||'reinsert'===t||'remove'===t)for(const e of o.range)if('elementStart'===e.type&&'image'===e.item.name){const o=e.item,i=o.getAttribute('uploadId');if(i){const e=n.loaders.get(i);e&&('insert'===t&&'idle'==e.status&&this.load(e,o),'remove'===t&&e.abort())}}})}load(e,o){function n(){t.enqueueChanges(()=>{const e=t.batch('transparent');e.removeAttribute('uploadId',o),e.removeAttribute('uploadStatus',o)}),a.destroyLoader(e)}const i=this.editor,r=i.locale.t,t=i.document,a=i.plugins.get(Ef),s=i.plugins.get(Hh);t.enqueueChanges(()=>{t.batch('transparent').setAttribute('uploadStatus','reading',o)}),e.read().then((n)=>{const r=i.editing.mapper.toViewElement(o),a=r.getChild(0),s=e.upload();return a.setAttribute('src',n),i.editing.view.render(),t.enqueueChanges(()=>{t.batch('transparent').setAttribute('uploadStatus','uploading',o)}),s}).then((e)=>{t.enqueueChanges(()=>{t.batch('transparent').setAttributes({uploadStatus:'complete',src:e.default},o);let n=0;const i=Object.keys(e).filter((e)=>{const t=parseInt(e,10);if(!isNaN(t))return n=na(n,t),!0}).map((t)=>`${e[t]} ${t}w`).join(', ');''!=i&&t.batch('transparent').setAttribute('srcset',{data:i,width:n},o)}),n()}).catch((i)=>{'error'==e.status&&s.showWarning(i,{title:r('ab'),namespace:'upload'}),n(),t.enqueueChanges(()=>{t.batch('transparent').remove(o)})})}}class $h extends wg{constructor(e){super(e),this.buttonView=new vf(e),this._fileInputView=new Kh(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 Kh extends wg{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 Uh=o(41),Qh=o.n(Uh);class Jh extends ug{static get requires(){return[Wh]}init(){const e=this.editor,o=e.t;e.ui.componentFactory.add('insertImage',(t)=>{const n=new $h(t),i=e.commands.get('imageUpload');return n.set({acceptedType:'image/*',allowMultipleFiles:!0}),n.buttonView.set({label:o('v'),icon:Qh.a,tooltip:!0}),n.bind('isEnabled').to(i),n.on('done',(t,o)=>{for(const n of Array.from(o)){const t=$i(e.document.selection);Wi(n)&&e.execute('imageUpload',{file:n,insertAt:t})}}),n})}}var Gh=o(42),Yh=o.n(Gh),Xh=o(43),Zh=o.n(Xh);class eb extends ug{static get requires(){return[Wh]}constructor(e){super(e),this.placeholder='data:image/svg+xml;utf8,'+encodeURIComponent(Yh.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,o){const n=this.editor,i=t.item,r=i.getAttribute('uploadId');if(o.consume(t.item,ze(e.name))&&r){const e=n.plugins.get(Ef),o=this.placeholder,a=t.attributeNewValue,s=n.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',o)}if('uploading'==a){const t=e.loaders.get(r);if(t){const e=Ui();s.removeClass('ck-infinite-progress','ck-image-upload-placeholder'),s.appendChildren(e),t.on('change:uploadedPercent',(t,o,i)=>{e.setStyle('width',i+'%'),n.editing.view.render()})}return}const l=Qi(s);l?l.remove():s.removeClass('ck-infinite-progress'),s.removeClass('ck-appear','ck-image-upload-placeholder')}}}const tb=Symbol('progress-bar');class ob extends ug{static get pluginName(){return'ImageUpload'}static get requires(){return[Jh,eb]}}class nb extends ug{static get requires(){return[dh,jh,ob]}static get pluginName(){return'EasyImage'}}class ib extends Qg{refresh(){const e=this.editor.document,t=On(e.selection.getSelectedBlocks());this.value=!!t&&t.is('paragraph'),this.isEnabled=!!t&&Ji(t,e.schema)}execute(e={}){const t=this.editor.document;t.enqueueChanges(()=>{const o=e.batch||t.batch(),n=(e.selection||t.selection).getSelectedBlocks();for(const e of n)!e.is('paragraph')&&Ji(e,t.schema)&&o.rename(e,'paragraph')})}}class rb extends ug{static get pluginName(){return'Paragraph'}init(){const e=this.editor,t=e.document,o=e.data,n=e.editing;e.commands.add('paragraph',new ib(e)),t.schema.registerItem('paragraph','$block'),ai().for(o.modelToView,n.modelToView).fromElement('paragraph').toElement('p'),li().for(o.viewToModel).fromElement('p').toElement('paragraph'),o.viewToModel.on('element',Gi,{priority:'low'}),o.viewToModel.on('text',Gi,{priority:'lowest'}),o.viewToModel.on('element',Yi,{priority:'lowest'}),o.viewToModel.on('documentFragment',Yi,{priority:'lowest'}),t.on('change',(e,o,n,i)=>{'transparent'==i.type||Zi(t,i)}),t.on('changesDone',er,{priority:'lowest'}),e.on('dataReady',()=>{Zi(t,t.batch('transparent')),er()},{priority:'lowest'})}}rb.paragraphLikeElements=new Set(['blockquote','dd','div','dt','h1','h2','h3','h4','h5','h6','li','p','td']);const ab=new Map;class sb extends Qg{constructor(e,t){super(e),this.modelElement=t}refresh(){const e=On(this.editor.document.selection.getSelectedBlocks());this.value=!!e&&e.is(this.modelElement),this.isEnabled=!!e&&tr(e,this.modelElement,this.editor.document.schema)}execute(e={}){const t=this.editor,o=t.document;o.enqueueChanges(()=>{const t=e.batch||o.batch(),n=Array.from(o.selection.getSelectedBlocks()).filter((e)=>tr(e,this.modelElement,o.schema));for(const e of n)e.is(this.modelElement)||t.rename(e,this.modelElement)})}}const lb='paragraph';class db extends ug{constructor(e){super(e),e.config.define('heading',{options:[{modelElement:'paragraph',title:'Paragraph',class:'ck-heading_paragraph'},{modelElement:'heading1',viewElement:'h2',title:'Heading 1',class:'ck-heading_heading1'},{modelElement:'heading2',viewElement:'h3',title:'Heading 2',class:'ck-heading_heading2'},{modelElement:'heading3',viewElement:'h4',title:'Heading 3',class:'ck-heading_heading3'}]})}static get requires(){return[rb]}init(){const e=this.editor,t=e.data,o=e.editing,n=e.config.get('heading.options');for(const i of n)i.modelElement!==lb&&(e.document.schema.registerItem(i.modelElement,'$block'),ai().for(t.modelToView,o.modelToView).fromElement(i.modelElement).toElement(i.viewElement),li().for(t.viewToModel).fromElement(i.viewElement).toElement(i.modelElement),e.commands.add(i.modelElement,new sb(e,i.modelElement)))}afterInit(){const e=this.editor,t=e.commands.get('enter'),o=e.config.get('heading.options');t&&this.listenTo(t,'afterExecute',(t,n)=>{const i=e.document.selection.getFirstPosition().parent,r=n.batch,a=o.some((e)=>i.is(e.modelElement));a&&!i.is(lb)&&0===i.childCount&&r.rename(i,lb)})}}class cb{constructor(e,t){t&&Ls(this,t),e&&this.set(e)}}s(cb,Ws);var ub=o(45),mb=o.n(ub);class pb extends wg{constructor(){super(),this.items=this.createCollection(),this.focusTracker=new Eg,this.keystrokes=new Rp,this._focusCycler=new Sg({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 gb extends wg{constructor(){super(),this.set('tabindex',-1),this.keystrokes=new Rp;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()}}var fb=o(47),hb=o.n(fb);class bb extends wg{constructor(e,t,o){super(e),t.extendTemplate({attributes:{class:['ck-dropdown__button']}}),this.buttonView=t,this.panelView=o,this.set('isOpen',!1),this.focusTracker=new Eg,this.keystrokes=new Rp,this.setTemplate({tag:'div',attributes:{class:['ck-dropdown']},children:[t,o]})}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 kb extends wg{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 _b=o(49),vb=o.n(_b);class wb extends ug{static get requires(){return[rb,db]}static get pluginName(){return'Heading'}init(){const e=this.editor,o=new mg,n=this._getLocalizedOptions(),i=[],r=e.t,t=r('e'),a=r('f');for(const t of n){const n=e.commands.get(t.modelElement),r=new cb({commandName:t.modelElement,label:t.title,class:t.class});r.bind('isActive').to(n,'value'),o.add(r),i.push(n)}const s=new cb({withText:!0,items:o,tooltip:a});s.bind('isEnabled').to(...rr(i,'isEnabled'),(...e)=>e.some((e)=>e)),s.bind('label').to(...rr(i,'value'),(...e)=>{const o=e.findIndex((e)=>e);return n[o]?n[o].title:t}),e.ui.componentFactory.add('headings',(t)=>{const o=nr(s,t);return o.extendTemplate({attributes:{class:['ck-heading-dropdown']}}),this.listenTo(o,'execute',(t)=>{e.execute(t.source.commandName),e.editing.view.focus()}),o})}_getLocalizedOptions(){const e=this.editor,o=e.t,t={Paragraph:o('g'),"Heading 1":o('h'),"Heading 2":o('i'),"Heading 3":o('j')};return e.config.get('heading.options').map((e)=>{const o=t[e.title];return o&&o!=e.title&&(e=Object.assign({},e,{title:o})),e})}}var yb=o(51),xb=o.n(yb);const Ab={};Ls(Ab,Va);const Cb=new WeakMap,Tb=Symbol('imageCaption');class Pb extends ug{init(){const e=this.editor,o=e.document,n=e.editing.view,i=o.schema,r=e.data,a=e.editing,s=e.t;this._createCaption=cr(n,s('u')),i.registerItem('caption','$block'),i.allow({name:'$inline',inside:'caption'}),i.allow({name:'caption',inside:'image'}),i.limits.add('caption'),o.on('change',pr),li().for(r.viewToModel).from(mr).toElement('caption'),r.modelToView.on('insert:caption',gr(new Gd('figcaption'),!1)),a.modelToView.on('insert:caption',gr(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(n,'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 o=this.editor.document.selection,n=o.getSelectedElement();if(n&&n.is('image')){const o=ur(n);t=e.toViewElement(o)}const i=o.getFirstPosition(),r=hr(i.parent);r&&(t=e.toViewElement(r)),t&&(t.removeClass('ck-hidden'),this._lastSelectedCaption=t)}_fixCaptionVisibility(e){const t=hr(e),o=this.editor.editing.mapper;if(t){const e=o.toViewElement(t);e&&(t.childCount?e.removeClass('ck-hidden'):e.addClass('ck-hidden'))}}}var Eb=o(53),Sb=o.n(Eb);class Vb extends ug{static get requires(){return[Pb]}static get pluginName(){return'ImageCaption'}}class Ob extends Qg{constructor(e,t){super(e),this.style=t}refresh(){const e=this.editor.document.selection.getSelectedElement();this.isEnabled=Ni(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,o=t.selection.getSelectedElement();t.enqueueChanges(()=>{const n=e.batch||t.batch();this.style.isDefault?n.removeAttribute('imageStyle',o):n.setAttribute('imageStyle',this.style.name,o)})}}var Rb=o(55),Fb=o.n(Rb),Nb=o(56),Ib=o.n(Nb),Bb=o(57),Mb=o.n(Bb),Db=o(58),Lb=o.n(Db);class zb extends ug{static get requires(){return[kh]}static get pluginName(){return'ImageStyleEngine'}init(){const e=this.editor,t=e.document,o=t.schema,n=e.data,i=e.editing;e.config.define('image.styles',['imageStyleFull','imageStyleSide']);const r=this.imageStyles;o.allow({name:'image',attributes:'imageStyle',inside:'$root'});const a=br(r);i.modelToView.on('addAttribute:imageStyle:image',a),n.modelToView.on('addAttribute:imageStyle:image',a),i.modelToView.on('changeAttribute:imageStyle:image',a),n.modelToView.on('changeAttribute:imageStyle:image',a),i.modelToView.on('removeAttribute:imageStyle:image',a),n.modelToView.on('removeAttribute:imageStyle:image',a),n.viewToModel.on('element:figure',kr(r),{priority:'low'});for(const t of r)e.commands.add(t.name,new Ob(e,t))}get imageStyles(){if(this._cachedImageStyles)return this._cachedImageStyles;const e=[],t=this.editor,o=this.localizedDefaultStylesTitles,n=t.config.get('image.styles');for(let t of n)t=xr(t),o[t.title]&&(t.title=o[t.title]),e.push(t);return this._cachedImageStyles=e}get localizedDefaultStylesTitles(){const e=this.editor.t;return{"Full size image":e('p'),"Side image":e('q'),"Left aligned image":e('r'),"Centered image":e('s'),"Right aligned image":e('t')}}}zb.defaultStyles={imageStyleFull:{name:'imageStyleFull',title:'Full size image',icon:Fb.a,isDefault:!0},imageStyleSide:{name:'imageStyleSide',title:'Side image',icon:Lb.a,className:'image-style-side'},imageStyleAlignLeft:{name:'imageStyleAlignLeft',title:'Left aligned image',icon:Ib.a,className:'image-style-align-left'},imageStyleAlignCenter:{name:'imageStyleAlignCenter',title:'Centered image',icon:Mb.a,className:'image-style-align-center'},imageStyleAlignRight:{name:'imageStyleAlignRight',title:'Right aligned image',icon:Lb.a,className:'image-style-align-right'}},zb.defaultIcons={full:Fb.a,left:Ib.a,right:Lb.a,center:Mb.a};var jb=o(59),qb=o.n(jb);class Hb extends ug{static get requires(){return[zb]}static get pluginName(){return'ImageStyle'}init(){const e=this.editor,t=e.plugins.get(zb).imageStyles;for(const e of t)this._createButton(e)}_createButton(e){const t=this.editor,o=t.commands.get(e.name);t.ui.componentFactory.add(e.name,(n)=>{const i=new vf(n);return i.set({label:e.title,icon:e.icon,tooltip:!0}),i.bind('isEnabled').to(o,'isEnabled'),i.bind('isOn').to(o,'value'),this.listenTo(i,'execute',()=>t.execute(e.name)),i})}}class Wb extends ug{static get requires(){return[Pg]}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 Fg,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?Fi(e.editing.view.selection)?this._showToolbar():this._hideToolbar():this._hideToolbar()}_showToolbar(){const e=this.editor;this._isVisible?qi(e):!this._balloon.hasView(this._toolbar)&&this._balloon.add({view:this._toolbar,position:Hi(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 $b extends Zp{constructor(e){super(e),this.domEventType='click'}onDomEvent(e){this.fire(e.type,e)}}class Kb extends ac{}class Ub extends Qg{refresh(){const e=this.editor.document;this.value=e.selection.getAttribute('linkHref'),this.isEnabled=e.schema.checkAttributeInSelection(e.selection,'linkHref')}execute(e){const t=this.editor.document,o=t.selection;t.enqueueChanges(()=>{const n=t.batch();if(o.isCollapsed){const i=o.getFirstPosition();if(o.hasAttribute('linkHref')){const t=Ar(o.getFirstPosition(),o.getAttribute('linkHref'));n.setAttribute('linkHref',e,t),o.setRanges([t])}else{const r=E(t.selection.getAttributes());r.set('linkHref',e);const a=n.createText(e,r);n.insert(a,i),o.setRanges([Zs.createOn(a)])}}else{const i=t.schema.getValidRanges(o.getRanges(),'linkHref');for(const t of i)n.setAttribute('linkHref',e,t)}})}}class Qb extends Qg{refresh(){this.isEnabled=this.editor.document.selection.hasAttribute('linkHref')}execute(){const e=this.editor.document,t=e.selection;e.enqueueChanges(()=>{const o=t.isCollapsed?[Ar(t.getFirstPosition(),t.getAttribute('linkHref'))]:t.getRanges(),n=e.batch();for(const e of o)n.removeAttribute('linkHref',e)})}}class Jb extends ug{init(){const e=this.editor,t=e.data,o=e.editing;e.document.schema.allow({name:'$inline',attributes:'linkHref',inside:'$block'}),e.document.schema.allow({name:'$inline',attributes:'linkHref',inside:'$clipboardHolder'}),ai().for(t.modelToView,o.modelToView).fromAttribute('linkHref').toElement((e)=>{const t=new Kb('a',{href:e});return t.priority=5,t}),li().for(t.viewToModel).from({name:'a',attribute:{href:/.?/}}).toAttribute((e)=>({key:'linkHref',value:e.getAttribute('href')})),e.commands.add('link',new Ub(e)),e.commands.add('unlink',new Qb(e))}}var Gb=o(61),Yb=o.n(Gb);class Xb extends wg{constructor(e){super(e);const o=e.t;this.focusTracker=new Eg,this.keystrokes=new Rp,this.urlInputView=this._createUrlInput(),this.saveButtonView=this._createButton(o('w')),this.saveButtonView.type='submit',this.cancelButtonView=this._createButton(o('x'),'cancel'),this.unlinkButtonView=this._createButton(o('y'),'unlink'),this._focusables=new pg,this._focusCycler=new Sg({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:'shift + tab',focusNext:'tab'}}),this.saveButtonView.extendTemplate({attributes:{class:['ck-button-action']}}),this.setTemplate({tag:'form',attributes:{class:['ck-link-form'],tabindex:'-1'},children:[this.urlInputView,{tag:'div',attributes:{class:['ck-link-form__actions']},children:[this.saveButtonView,this.cancelButtonView,this.unlinkButtonView]}]})}render(){super.render(),ji({view:this});const e=[this.urlInputView,this.saveButtonView,this.cancelButtonView,this.unlinkButtonView];e.forEach((e)=>{this._focusables.add(e),this.focusTracker.add(e.element)}),this.keystrokes.listenTo(this.element)}focus(){this._focusCycler.focusFirst()}_createUrlInput(){const e=this.locale.t,t=new Sh(this.locale,Rh);return t.label=e('z'),t.inputView.placeholder='https://example.com',t}_createButton(e,t){const o=new vf(this.locale);return o.label=e,o.withText=!0,t&&o.delegate('execute').to(this,t),o}}var Zb=o(63),ek=o.n(Zb);const tk='Ctrl+K';class ok extends ug{static get requires(){return[Jb,Pg]}static get pluginName(){return'Link'}init(){const e=this.editor;e.editing.view.addObserver($b),this.formView=this._createForm(),this._balloon=e.plugins.get(Pg),this._createToolbarLinkButton(),this._attachActions()}_createForm(){const e=this.editor,t=new Xb(e.locale),o=e.commands.get('link'),n=e.commands.get('unlink');return t.urlInputView.bind('value').to(o,'value'),t.urlInputView.bind('isReadOnly').to(o,'isEnabled',(e)=>!e),t.saveButtonView.bind('isEnabled').to(o),t.unlinkButtonView.bind('isEnabled').to(n),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,o=e.commands.get('link'),n=e.t;e.keystrokes.set(tk,(e,t)=>{t(),o.isEnabled&&this._showPanel(!0)}),e.ui.componentFactory.add('link',(e)=>{const t=new vf(e);return t.isEnabled=!0,t.label=n('k'),t.icon=ek.a,t.keystroke=tk,t.tooltip=!0,t.bind('isEnabled').to(o,'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,o=t.commands.get('link'),n=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=n.isEnabled,this.formView.urlInputView.inputView.element.value=o.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(),o=t?e.domConverter.mapViewToDom(t):e.domConverter.viewRangeToDom(e.selection.getFirstRange());return{target:o}}_getSelectedLinkElement(){const e=this.editor.editing.view.selection;if(e.isCollapsed)return Tr(e.getFirstPosition());else{const t=e.getFirstRange().getTrimmed(),o=Tr(t.start),n=Tr(t.end);return o&&o==n?ec.createIn(o).getTrimmed().isEqual(t)?o:null:null}}}class nk extends Qg{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,o=Array.from(t.selection.getSelectedBlocks()).filter((e)=>Er(e,t.schema)),n=!0===this.value;t.enqueueChanges(()=>{const i=e.batch||t.batch();if(n){let e=o[o.length-1].nextSibling,t=ta,n=[];for(;e&&'listItem'==e.name&&0!==e.getAttribute('indent');){const o=e.getAttribute('indent');o<t&&(t=o);const i=o-t;n.push({element:e,indent:i}),e=e.nextSibling}n=n.reverse();for(const e of n)i.setAttribute('indent',e.indent,e.element)}if(!n){let e=ta;for(const t of o)t.is('listItem')&&t.getAttribute('indent')<e&&(e=t.getAttribute('indent'));e=0===e?1:e,Pr(o,!0,e),Pr(o,!1,e)}for(const e of o.reverse())n&&'listItem'==e.name?i.rename(e,'paragraph'):n||'listItem'==e.name?n||'listItem'!=e.name||e.getAttribute('type')==this.type||i.setAttribute('type',this.type,e):(i.setAttributes({type:this.type,indent:0},e),i.rename(e,'listItem'))})}_getValue(){const e=On(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,o=On(e.getSelectedBlocks());return!!o&&Er(o,t)}}class ik extends Qg{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 o=Array.from(e.selection.getSelectedBlocks());e.enqueueChanges(()=>{const e=o[o.length-1];for(let t=e.nextSibling;t&&'listItem'==t.name&&t.getAttribute('indent')>e.getAttribute('indent');)o.push(t),t=t.nextSibling;0>this._indentBy&&(o=o.reverse());for(const e of o){const o=e.getAttribute('indent')+this._indentBy;0>o?t.rename(e,'paragraph'):t.setAttribute('indent',o,e)}0>this._indentBy&&(o=o.reverse());for(const e of o)Sr(e,t)})}_checkEnabled(){const e=On(this.editor.document.selection.getSelectedBlocks());if(!e||!e.is('listItem'))return!1;if(0<this._indentBy){const t=e.getAttribute('indent'),o=e.getAttribute('type');for(let n=e.previousSibling;n&&n.is('listItem')&&n.getAttribute('indent')>=t;){if(n.getAttribute('indent')==t)return n.getAttribute('type')==o;n=n.previousSibling}return!1}return!0}}class rk extends Gd{constructor(e,t){super('li',e,t),this.getFillerOffset=Or}}class ak extends ug{static get requires(){return[rb]}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 o=e.data,n=e.editing;this.editor.document.on('change',Hr(this.editor.document),{priority:'high'}),this.editor.document.on('change',(e,t,o)=>{if('move'==t)for(const e of o.range.getItems())e.is('listItem')&&n.mapper.unbindModelElement(e)},{priority:'high'}),n.mapper.registerViewToModelLength('li',ea),o.mapper.registerViewToModelLength('li',ea),n.mapper.on('modelToViewPosition',jr),n.mapper.on('viewToModelPosition',qr),o.mapper.on('modelToViewPosition',jr),n.modelToView.on('insert',Br,{priority:'high'}),n.modelToView.on('insert:listItem',Rr),o.modelToView.on('insert',Br,{priority:'high'}),o.modelToView.on('insert:listItem',Rr),n.modelToView.on('changeAttribute:type:listItem',Fr),o.modelToView.on('changeAttribute:type:listItem',Fr),n.modelToView.on('remove:listItem',Nr),n.modelToView.on('remove',Mr,{priority:'low'}),o.modelToView.on('remove:listItem',Nr),o.modelToView.on('remove',Mr,{priority:'low'}),n.modelToView.on('changeAttribute:indent:listItem',Ir),o.modelToView.on('changeAttribute:indent:listItem',Ir),o.viewToModel.on('element:ul',Lr,{priority:'high'}),o.viewToModel.on('element:ol',Lr,{priority:'high'}),o.viewToModel.on('element:li',zr,{priority:'high'}),o.viewToModel.on('element:li',Dr),o.on('insertContent',Kr,{priority:'high'}),e.commands.add('numberedList',new nk(e,'numbered')),e.commands.add('bulletedList',new nk(e,'bulleted')),e.commands.add('indentList',new ik(e,'forward')),e.commands.add('outdentList',new ik(e,'backward'))}}var sk=o(64),lk=o.n(sk),dk=o(65),ck=o.n(dk);class uk extends ug{static get requires(){return[ak]}static get pluginName(){return'List'}init(){const e=this.editor.t;this._addButton('numberedList',e('l'),lk.a),this._addButton('bulletedList',e('m'),ck.a),this.listenTo(this.editor.editing.view,'enter',(e,t)=>{const o=this.editor.document,n=o.selection.getLastPosition().parent;o.selection.isCollapsed&&'listItem'==n.name&&n.isEmpty&&(this.editor.execute('outdentList'),t.preventDefault(),e.stop())}),this.listenTo(this.editor.editing.view,'delete',(e,t)=>{if('backward'===t.direction){const o=this.editor.document.selection;if(o.isCollapsed){const n=o.getFirstPosition();if(n.isAtStart){const o=n.parent;if('listItem'===o.name){const n=o.previousSibling&&'listItem'===o.previousSibling.name;n||(this.editor.execute('outdentList'),t.preventDefault(),e.stop())}}}}},{priority:'high'});const t=(e)=>(t,o)=>{const n=this.editor.commands.get(e);n.isEnabled&&(this.editor.execute(e),o())};this.editor.keystrokes.set('Tab',t('indentList')),this.editor.keystrokes.set('Shift+Tab',t('outdentList'))}_addButton(e,t,o){const n=this.editor,i=n.commands.get(e);n.ui.componentFactory.add(e,(r)=>{const a=new vf(r);return a.set({label:t,icon:o,tooltip:!0}),a.bind('isOn','isEnabled').to(i,'value','isEnabled'),this.listenTo(a,'execute',()=>n.execute(e)),a})}}class mk extends Hg{}t['default']=mk,mk.build={plugins:[Tf,Ff,Mf,$f,Gf,nh,nb,wb,jh,Vb,Hb,Wb,ok,uk,rb,ob],config:{toolbar:{items:['headings','bold','italic','link','bulletedList','numberedList','blockQuote','undo','redo']},image:{toolbar:['imageStyleFull','imageStyleSide','|','imageTextAlternative']},language:'en'}}},function(e){var t=function(){return this}();try{t=t||Function('return this')()||(1,eval)('this')}catch(o){'object'==typeof window&&(t=window)}e.exports=t},function(e,t){'use strict';t.a=function(e){return e&&e.Object===Object?e:null}},function(e,t,o){'use strict';(function(e){var n=o(7),i=o(1),r={function:!0,object:!0},a=r[typeof exports]&&exports&&!exports.nodeType?exports:void 0,s=r[typeof e]&&e&&!e.nodeType?e:void 0,l=s&&s.exports===a?a:void 0,d=l?i.a.Buffer:void 0,c=d?function(e){return e instanceof d}:Object(n.a)(!1);t.a=c}).call(t,o(2)(e))},function(e,t){'use strict';t.a=function(e){return function(){return e}}},function(e,t,o){var n=o(9);'string'==typeof n&&(n=[[e.i,n,'']]);var i={singleton:!0},r;i.transform=r;o(0)(n,i);n.locals&&(e.exports=n.locals),!1},function(e){e.exports='.ck-hidden{display:none!important}.ck-reset,.ck-reset_all,.ck-reset_all 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0 3px 2px var(--ck-color-focus-shadow);--ck-focus-ring:1px solid var(--ck-color-focus-border);--ck-font-size-base:12px;--ck-line-height-base:1.67;--ck-font-face:Helvetica,Arial,Tahoma,Verdana,Sans-Serif;--ck-font-size-tiny:0.7em;--ck-font-size-small:0.75em;--ck-font-size-normal:1em;--ck-font-size-big:1.4em;--ck-font-size-large:1.8em}.ck-reset,.ck-reset_all,.ck-reset_all *{margin:0;padding:0;border:0;background:transparent;text-decoration:none;vertical-align:middle;transition:none;word-wrap:break-word}.ck-reset_all,.ck-reset_all *{border-collapse:collapse;font:normal normal normal var(--ck-font-size-base)/var(--ck-line-height-base) var(--ck-font-face);color:var(--ck-color-text);text-align:left;white-space:nowrap;cursor:auto;float:none}.ck-reset_all .ck-rtl *{text-align:right}.ck-reset_all iframe{vertical-align:inherit}.ck-reset_all textarea{white-space:pre-wrap}.ck-reset_all input[type=password],.ck-reset_all input[type=text],.ck-reset_all textarea{cursor:text}.ck-reset_all input[type=password][disabled],.ck-reset_all input[type=text][disabled],.ck-reset_all textarea[disabled]{cursor:default}.ck-reset_all fieldset{padding:10px;border:2px groove #e0dfe3}.ck-reset_all button::-moz-focus-inner{padding:0;border:0}:root{--ck-border-radius:2px;--ck-inner-shadow:2px 2px 3px var(--ck-color-shadow-inner) inset;--ck-drop-shadow:0 1px 2px 0 var(--ck-color-shadow-drop);--ck-spacing-unit:0.8em;--ck-spacing-large:calc(var(--ck-spacing-unit) * 1.5);--ck-spacing-standard:var(--ck-spacing-unit);--ck-spacing-medium:calc(var(--ck-spacing-unit) * 0.8);--ck-spacing-small:calc(var(--ck-spacing-unit) * 0.5);--ck-spacing-tiny:calc(var(--ck-spacing-unit) * 0.25)}'},function(e){e.exports=function(e){var t='undefined'!=typeof window&&window.location;if(!t)throw new Error('fixUrls requires window.location');if(!e||'string'!=typeof e)return e;var o=t.protocol+'//'+t.host,n=o+t.pathname.replace(/\/[^\/]*$/,'/'),i=e.replace(/url\s*\(((?:[^)(]|\((?:[^)(]+|\([^)(]*\))*\))*)\)/gi,function(e,t){var i=t.trim().replace(/^"(.*)"$/,function(e,t){return t}).replace(/^'(.*)'$/,function(e,t){return t});if(/^(#|data:|http:\/\/|https:\/\/|file:\/\/\/)/i.test(i))return e;var r;return r=0===i.indexOf('//')?i:0===i.indexOf('/')?o+i:n+i.replace(/^\.\//,''),'url('+JSON.stringify(r)+')'});return i}},function(e,t,o){var n=o(12);'string'==typeof n&&(n=[[e.i,n,'']]);var i={singleton:!0},r;i.transform=r;o(0)(n,i);n.locals&&(e.exports=n.locals),!1},function(e){e.exports='.ck-balloon-panel{display:none;position:absolute;z-index:var(--ck-z-modal)}.ck-balloon-panel.ck-balloon-panel_with-arrow:after,.ck-balloon-panel.ck-balloon-panel_with-arrow:before{content:"";position:absolute}.ck-balloon-panel.ck-balloon-panel_with-arrow:before{z-index:var(--ck-z-default)}.ck-balloon-panel.ck-balloon-panel_with-arrow:after{z-index:calc(var(--ck-z-default) + 1)}.ck-balloon-panel[class*=arrow_n]:before{z-index:var(--ck-z-default)}.ck-balloon-panel[class*=arrow_n]:after{z-index:calc(var(--ck-z-default) + 1)}.ck-balloon-panel[class*=arrow_s]:before{z-index:var(--ck-z-default)}.ck-balloon-panel[class*=arrow_s]:after{z-index:calc(var(--ck-z-default) + 1)}.ck-balloon-panel_visible{display:block}:root{--ck-balloon-arrow-offset:2px;--ck-balloon-arrow-height:15px;--ck-balloon-arrow-half-width:10px}.ck-balloon-panel{border-radius:0}.ck-balloon-panel.ck-rounded-corners,.ck-rounded-corners .ck-balloon-panel{border-radius:var(--ck-border-radius)}.ck-balloon-panel{box-shadow:var(--ck-drop-shadow),0 0;min-height:15px;background:var(--ck-color-panel-background);border:1px solid var(--ck-color-panel-border)}.ck-balloon-panel.ck-balloon-panel_with-arrow:after,.ck-balloon-panel.ck-balloon-panel_with-arrow:before{width:0;height:0;border-style:solid}.ck-balloon-panel[class*=arrow_n]:after,.ck-balloon-panel[class*=arrow_n]:before{border-width:0 var(--ck-balloon-arrow-half-width) var(--ck-balloon-arrow-height)}.ck-balloon-panel[class*=arrow_n]:before{border-color:transparent transparent var(--ck-color-panel-border)}.ck-balloon-panel[class*=arrow_n]:after{border-color:transparent transparent var(--ck-color-panel-background);margin-top:var(--ck-balloon-arrow-offset)}.ck-balloon-panel[class*=arrow_s]:after,.ck-balloon-panel[class*=arrow_s]:before{border-width:var(--ck-balloon-arrow-height) var(--ck-balloon-arrow-half-width) 0}.ck-balloon-panel[class*=arrow_s]:before{border-color:var(--ck-color-panel-border) transparent transparent}.ck-balloon-panel[class*=arrow_s]:after{border-color:var(--ck-color-panel-background) transparent transparent;margin-bottom:var(--ck-balloon-arrow-offset)}.ck-balloon-panel.ck-balloon-panel_arrow_n:after,.ck-balloon-panel.ck-balloon-panel_arrow_n:before{left:50%;margin-left:calc(-1 * var(--ck-balloon-arrow-half-width));top:calc(-1 * var(--ck-balloon-arrow-height))}.ck-balloon-panel.ck-balloon-panel_arrow_nw:after,.ck-balloon-panel.ck-balloon-panel_arrow_nw:before{left:calc(2 * var(--ck-balloon-arrow-half-width));top:calc(-1 * var(--ck-balloon-arrow-height))}.ck-balloon-panel.ck-balloon-panel_arrow_ne:after,.ck-balloon-panel.ck-balloon-panel_arrow_ne:before{right:calc(2 * var(--ck-balloon-arrow-half-width));top:calc(-1 * var(--ck-balloon-arrow-height))}.ck-balloon-panel.ck-balloon-panel_arrow_s:after,.ck-balloon-panel.ck-balloon-panel_arrow_s:before{left:50%;margin-left:calc(-1 * var(--ck-balloon-arrow-half-width));bottom:calc(-1 * var(--ck-balloon-arrow-height))}.ck-balloon-panel.ck-balloon-panel_arrow_sw:after,.ck-balloon-panel.ck-balloon-panel_arrow_sw:before{left:calc(2 * var(--ck-balloon-arrow-half-width));bottom:calc(-1 * var(--ck-balloon-arrow-height))}.ck-balloon-panel.ck-balloon-panel_arrow_se:after,.ck-balloon-panel.ck-balloon-panel_arrow_se:before{right:calc(2 * var(--ck-balloon-arrow-half-width));bottom:calc(-1 * var(--ck-balloon-arrow-height))}'},function(e,t,o){var n=o(14);'string'==typeof n&&(n=[[e.i,n,'']]);var i={singleton:!0},r;i.transform=r;o(0)(n,i);n.locals&&(e.exports=n.locals),!1},function(e){e.exports='.ck-toolbar{-moz-user-select:none;-webkit-user-select:none;-ms-user-select:none;user-select:none}.ck-toolbar__separator{display:inline-block}.ck-toolbar__newline{display:block;clear:left}.ck-toolbar{border-radius:0}.ck-rounded-corners .ck-toolbar,.ck-toolbar.ck-rounded-corners{border-radius:var(--ck-border-radius)}.ck-toolbar{padding:var(--ck-spacing-small);border:1px solid var(--ck-color-toolbar-border);white-space:normal}.ck-toolbar>*{margin-right:var(--ck-spacing-small)}.ck-toolbar>:last-child{margin-right:0}.ck-toolbar-container .ck-toolbar{border:0}.ck-toolbar_floating{white-space:nowrap}.ck-toolbar__separator{width:1px;height:calc(1em + 2 * 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