xref: /plugin/ckeditor5markdown/ckeditor.js

/*! For license information please see ckeditor.js.LICENSE.txt */
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Po(e,t)]:(K(t)||(t=[t]),Array.from(t).map(t=>"string"==typeof t?new Po(e,t):t instanceof So?new Po(e,t.data):t))}(this.document,t);for(const t of i)null!==t.parent&&t._remove(),t.parent=this,t.document=this.document,this._children.splice(e,0,t),e++,n++;return n}_removeChildren(e,t=1){this._fireChange("children",this);for(let n=e;n<e+t;n++)this._children[n].parent=null;return this._children.splice(e,t)}_setAttribute(e,t){const n=String(t);this._fireChange("attributes",this),"class"==e?ar(this._classes,n):"style"==e?this._styles.setTo(n):this._attrs.set(e,n)}_removeAttribute(e){return this._fireChange("attributes",this),"class"==e?this._classes.size>0&&(this._classes.clear(),!0):"style"==e?!this._styles.isEmpty&&(this._styles.clear(),!0):this._attrs.delete(e)}_addClass(e){this._fireChange("attributes",this);for(const t of Ti(e))this._classes.add(t)}_removeClass(e){this._fireChange("attributes",this);for(const t of Ti(e))this._classes.delete(t)}_setStyle(e,t){this._fireChange("attributes",this),"string"!=typeof e?this._styles.set(e):this._styles.set(e,t)}_removeStyle(e){this._fireChange("attributes",this);for(const t of Ti(e))this._styles.remove(t)}_setCustomProperty(e,t){this._customProperties.set(e,t)}_removeCustomProperty(e){return this._customProperties.delete(e)}}function ar(e,t){const n=t.split(/\s+/);e.clear(),n.forEach(t=>e.add(t))}sr.prototype.is=function(e,t){return t?t===this.name&&("element"===e||"view:element"===e):"element"===e||"view:element"===e||"node"===e||"view:node"===e};class cr extends sr{constructor(e,t,n,i){super(e,t,n,i),this.getFillerOffset=lr}}function lr(){const e=[...this.getChildren()],t=e[this.childCount-1];if(t&&t.is("element","br"))return this.childCount;for(const t of e)if(!t.is("uiElement"))return null;return this.childCount}cr.prototype.is=function(e,t){return t?t===this.name&&("containerElement"===e||"view:containerElement"===e||"element"===e||"view:element"===e):"containerElement"===e||"view:containerElement"===e||"element"===e||"view:element"===e||"node"===e||"view:node"===e};class dr extends(F(cr)){constructor(e,t,n,i){super(e,t,n,i),this.set("isReadOnly",!1),this.set("isFocused",!1),this.set("placeholder",void 0),this.bind("isReadOnly").to(e),this.bind("isFocused").to(e,"isFocused",t=>t&&e.selection.editableElement==this),this.listenTo(e.selection,"change",()=>{this.isFocused=e.isFocused&&e.selection.editableElement==this})}destroy(){this.stopListening()}}dr.prototype.is=function(e,t){return t?t===this.name&&("editableElement"===e||"view:editableElement"===e||"containerElement"===e||"view:containerElement"===e||"element"===e||"view:element"===e):"editableElement"===e||"view:editableElement"===e||"containerElement"===e||"view:containerElement"===e||"element"===e||"view:element"===e||"node"===e||"view:node"===e};const hr=Symbol("rootName");class ur extends dr{constructor(e,t){super(e,t),this.rootName="main"}get rootName(){return this.getCustomProperty(hr)}set rootName(e){this._setCustomProperty(hr,e)}set _name(e){this.name=e}}ur.prototype.is=function(e,t){return t?t===this.name&&("rootElement"===e||"view:rootElement"===e||"editableElement"===e||"view:editableElement"===e||"containerElement"===e||"view:containerElement"===e||"element"===e||"view:element"===e):"rootElement"===e||"view:rootElement"===e||"editableElement"===e||"view:editableElement"===e||"containerElement"===e||"view:containerElement"===e||"element"===e||"view:element"===e||"node"===e||"view:node"===e};class fr{constructor(e={}){if(!e.boundaries&&!e.startPosition)throw new p("view-tree-walker-no-start-position",null);if(e.direction&&"forward"!=e.direction&&"backward"!=e.direction)throw new p("view-tree-walker-unknown-direction",e.startPosition,{direction:e.direction});this.boundaries=e.boundaries||null,e.startPosition?this._position=gr._createAt(e.startPosition):this._position=gr._createAt(e.boundaries["backward"==e.direction?"end":"start"]),this.direction=e.direction||"forward",this.singleCharacters=!!e.singleCharacters,this.shallow=!!e.shallow,this.ignoreElementEnd=!!e.ignoreElementEnd,this._boundaryStartParent=this.boundaries?this.boundaries.start.parent:null,this._boundaryEndParent=this.boundaries?this.boundaries.end.parent:null}[Symbol.iterator](){return this}get position(){return this._position}skip(e){let t,n;do{n=this.position,t=this.next()}while(!t.done&&e(t.value));t.done||(this._position=n)}next(){return"forward"==this.direction?this._next():this._previous()}_next(){let e=this.position.clone();const t=this.position,n=e.parent;if(null===n.parent&&e.offset===n.childCount)return{done:!0,value:void 0};if(n===this._boundaryEndParent&&e.offset==this.boundaries.end.offset)return{done:!0,value:void 0};let i;if(n instanceof Po){if(e.isAtEnd)return this._position=gr._createAfter(n),this._next();i=n.data[e.offset]}else i=n.getChild(e.offset);if(i instanceof sr){if(this.shallow){if(this.boundaries&&this.boundaries.end.isBefore(e))return{done:!0,value:void 0};e.offset++}else e=new gr(i,0);return this._position=e,this._formatReturnValue("elementStart",i,t,e,1)}if(i instanceof Po){if(this.singleCharacters)return e=new gr(i,0),this._position=e,this._next();let n,o=i.data.length;return i==this._boundaryEndParent?(o=this.boundaries.end.offset,n=new So(i,0,o),e=gr._createAfter(n)):(n=new So(i,0,i.data.length),e.offset++),this._position=e,this._formatReturnValue("text",n,t,e,o)}if("string"==typeof i){let i;i=this.singleCharacters?1:(n===this._boundaryEndParent?this.boundaries.end.offset:n.data.length)-e.offset;const o=new So(n,e.offset,i);return e.offset+=i,this._position=e,this._formatReturnValue("text",o,t,e,i)}return e=gr._createAfter(n),this._position=e,this.ignoreElementEnd?this._next():this._formatReturnValue("elementEnd",n,t,e)}_previous(){let e=this.position.clone();const t=this.position,n=e.parent;if(null===n.parent&&0===e.offset)return{done:!0,value:void 0};if(n==this._boundaryStartParent&&e.offset==this.boundaries.start.offset)return{done:!0,value:void 0};let i;if(n instanceof Po){if(e.isAtStart)return this._position=gr._createBefore(n),this._previous();i=n.data[e.offset-1]}else i=n.getChild(e.offset-1);if(i instanceof sr)return this.shallow?(e.offset--,this._position=e,this._formatReturnValue("elementStart",i,t,e,1)):(e=new gr(i,i.childCount),this._position=e,this.ignoreElementEnd?this._previous():this._formatReturnValue("elementEnd",i,t,e));if(i instanceof Po){if(this.singleCharacters)return e=new gr(i,i.data.length),this._position=e,this._previous();let n,o=i.data.length;if(i==this._boundaryStartParent){const t=this.boundaries.start.offset;n=new So(i,t,i.data.length-t),o=n.data.length,e=gr._createBefore(n)}else n=new So(i,0,i.data.length),e.offset--;return this._position=e,this._formatReturnValue("text",n,t,e,o)}if("string"==typeof i){let i;if(this.singleCharacters)i=1;else{const t=n===this._boundaryStartParent?this.boundaries.start.offset:0;i=e.offset-t}e.offset-=i;const o=new So(n,e.offset,i);return this._position=e,this._formatReturnValue("text",o,t,e,i)}return e=gr._createBefore(n),this._position=e,this._formatReturnValue("elementStart",n,t,e,1)}_formatReturnValue(e,t,n,i,o){return t instanceof So&&(t.offsetInText+t.data.length==t.textNode.data.length&&("forward"!=this.direction||this.boundaries&&this.boundaries.end.isEqual(this.position)?n=gr._createAfter(t.textNode):(i=gr._createAfter(t.textNode),this._position=i)),0===t.offsetInText&&("backward"!=this.direction||this.boundaries&&this.boundaries.start.isEqual(this.position)?n=gr._createBefore(t.textNode):(i=gr._createBefore(t.textNode),this._position=i))),{done:!1,value:{type:e,item:t,previousPosition:n,nextPosition:i,length:o}}}}class gr extends Co{constructor(e,t){super(),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("$text")?this.parent.data.length:this.parent.childCount;return this.offset===e}get root(){return this.parent.root}get editableElement(){let e=this.parent;for(;!(e instanceof dr);){if(!e.parent)return null;e=e.parent}return e}getShiftedBy(e){const t=gr._createAt(this),n=t.offset+e;return t.offset=n<0?0:n,t}getLastMatchingPosition(e,t={}){t.startPosition=this;const n=new fr(t);return n.skip(e),n.position}getAncestors(){return this.parent.is("documentFragment")?[this.parent]:this.parent.getAncestors({includeSelf:!0})}getCommonAncestor(e){const t=this.getAncestors(),n=e.getAncestors();let i=0;for(;t[i]==n[i]&&t[i];)i++;return 0===i?null:t[i-1]}isEqual(e){return this.parent==e.parent&&this.offset==e.offset}isBefore(e){return"before"==this.compareWith(e)}isAfter(e){return"after"==this.compareWith(e)}compareWith(e){if(this.root!==e.root)return"different";if(this.isEqual(e))return"same";const t=this.parent.is("node")?this.parent.getPath():[],n=e.parent.is("node")?e.parent.getPath():[];t.push(this.offset),n.push(e.offset);const i=Z(t,n);switch(i){case"prefix":return"before";case"extension":return"after";default:return t[i]<n[i]?"before":"after"}}getWalker(e={}){return e.startPosition=this,new fr(e)}clone(){return new gr(this.parent,this.offset)}static _createAt(e,t){if(e instanceof gr)return new this(e.parent,e.offset);{const n=e;if("end"==t)t=n.is("$text")?n.data.length:n.childCount;else{if("before"==t)return this._createBefore(n);if("after"==t)return this._createAfter(n);if(0!==t&&!t)throw new p("view-createpositionat-offset-required",n)}return new gr(n,t)}}static _createAfter(e){if(e.is("$textProxy"))return new gr(e.textNode,e.offsetInText+e.data.length);if(!e.parent)throw new p("view-position-after-root",e,{root:e});return new gr(e.parent,e.index+1)}static _createBefore(e){if(e.is("$textProxy"))return new gr(e.textNode,e.offsetInText);if(!e.parent)throw new p("view-position-before-root",e,{root:e});return new gr(e.parent,e.index)}}gr.prototype.is=function(e){return"position"===e||"view:position"===e};class pr extends Co{constructor(e,t=null){super(),this.start=e.clone(),this.end=t?t.clone():e.clone()}*[Symbol.iterator](){yield*new fr({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(mr,{direction:"backward"}),t=this.end.getLastMatchingPosition(mr);return e.parent.is("$text")&&e.isAtStart&&(e=gr._createBefore(e.parent)),t.parent.is("$text")&&t.isAtEnd&&(t=gr._createAfter(t.parent)),new pr(e,t)}getTrimmed(){let e=this.start.getLastMatchingPosition(mr);if(e.isAfter(this.end)||e.isEqual(this.end))return new pr(e,e);let t=this.end.getLastMatchingPosition(mr,{direction:"backward"});const n=e.nodeAfter,i=t.nodeBefore;return n&&n.is("$text")&&(e=new gr(n,0)),i&&i.is("$text")&&(t=new gr(i,i.data.length)),new pr(e,t)}isEqual(e){return this==e||this.start.isEqual(e.start)&&this.end.isEqual(e.end)}containsPosition(e){return e.isAfter(this.start)&&e.isBefore(this.end)}containsRange(e,t=!1){e.isCollapsed&&(t=!1);const n=this.containsPosition(e.start)||t&&this.start.isEqual(e.start),i=this.containsPosition(e.end)||t&&this.end.isEqual(e.end);return n&&i}getDifference(e){const t=[];return this.isIntersecting(e)?(this.containsPosition(e.start)&&t.push(new pr(this.start,e.start)),this.containsPosition(e.end)&&t.push(new pr(e.end,this.end))):t.push(this.clone()),t}getIntersection(e){if(this.isIntersecting(e)){let t=this.start,n=this.end;return this.containsPosition(e.start)&&(t=e.start),this.containsPosition(e.end)&&(n=e.end),new pr(t,n)}return null}getWalker(e={}){return e.boundaries=this,new fr(e)}getCommonAncestor(){return this.start.getCommonAncestor(this.end)}getContainedElement(){if(this.isCollapsed)return null;let e=this.start.nodeAfter,t=this.end.nodeBefore;return this.start.parent.is("$text")&&this.start.isAtEnd&&this.start.parent.nextSibling&&(e=this.start.parent.nextSibling),this.end.parent.is("$text")&&this.end.isAtStart&&this.end.parent.previousSibling&&(t=this.end.parent.previousSibling),e&&e.is("element")&&e===t?e:null}clone(){return new pr(this.start,this.end)}*getItems(e={}){e.boundaries=this,e.ignoreElementEnd=!0;const t=new fr(e);for(const e of t)yield e.item}*getPositions(e={}){e.boundaries=this;const t=new fr(e);yield t.position;for(const e of t)yield e.nextPosition}isIntersecting(e){return this.start.isBefore(e.end)&&this.end.isAfter(e.start)}static _createFromParentsAndOffsets(e,t,n,i){return new this(new gr(e,t),new gr(n,i))}static _createFromPositionAndShift(e,t){const n=e,i=e.getShiftedBy(t);return t>0?new this(n,i):new this(i,n)}static _createIn(e){return this._createFromParentsAndOffsets(e,0,e,e.childCount)}static _createOn(e){const t=e.is("$textProxy")?e.offsetSize:1;return this._createFromPositionAndShift(gr._createBefore(e),t)}}function mr(e){return!(!e.item.is("attributeElement")&&!e.item.is("uiElement"))}pr.prototype.is=function(e){return"range"===e||"view:range"===e};class br extends(x(Co)){constructor(...e){super(),this._ranges=[],this._lastRangeBackward=!1,this._isFake=!1,this._fakeSelectionLabel="",e.length&&this.setTo(...e)}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];return(this._lastRangeBackward?e.end:e.start).clone()}get focus(){if(!this._ranges.length)return null;const e=this._ranges[this._ranges.length-1];return(this._lastRangeBackward?e.start:e.end).clone()}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}*getRanges(){for(const e of this._ranges)yield e.clone()}getFirstRange(){let e=null;for(const t of this._ranges)e&&!t.start.isBefore(e.start)||(e=t);return e?e.clone():null}getLastRange(){let e=null;for(const t of this._ranges)e&&!t.end.isAfter(e.end)||(e=t);return e?e.clone():null}getFirstPosition(){const e=this.getFirstRange();return e?e.start.clone():null}getLastPosition(){const e=this.getLastRange();return e?e.end.clone():null}isEqual(e){if(this.isFake!=e.isFake)return!1;if(this.isFake&&this.fakeSelectionLabel!=e.fakeSelectionLabel)return!1;if(this.rangeCount!=e.rangeCount)return!1;if(0===this.rangeCount)return!0;if(!this.anchor.isEqual(e.anchor)||!this.focus.isEqual(e.focus))return!1;for(const t of this._ranges){let n=!1;for(const i of e._ranges)if(t.isEqual(i)){n=!0;break}if(!n)return!1}return!0}isSimilar(e){if(this.isBackward!=e.isBackward)return!1;const t=U(this.getRanges());if(t!=U(e.getRanges()))return!1;if(0==t)return!0;for(let t of this.getRanges()){t=t.getTrimmed();let n=!1;for(let i of e.getRanges())if(i=i.getTrimmed(),t.start.isEqual(i.start)&&t.end.isEqual(i.end)){n=!0;break}if(!n)return!1}return!0}getSelectedElement(){return 1!==this.rangeCount?null:this.getFirstRange().getContainedElement()}setTo(...e){let[t,n,i]=e;if("object"==typeof n&&(i=n,n=void 0),null===t)this._setRanges([]),this._setFakeOptions(i);else if(t instanceof br||t instanceof kr)this._setRanges(t.getRanges(),t.isBackward),this._setFakeOptions({fake:t.isFake,label:t.fakeSelectionLabel});else if(t instanceof pr)this._setRanges([t],i&&i.backward),this._setFakeOptions(i);else if(t instanceof gr)this._setRanges([new pr(t)]),this._setFakeOptions(i);else if(t instanceof To){const e=!!i&&!!i.backward;let o;if(void 0===n)throw new p("view-selection-setto-required-second-parameter",this);o="in"==n?pr._createIn(t):"on"==n?pr._createOn(t):new pr(gr._createAt(t,n)),this._setRanges([o],e),this._setFakeOptions(i)}else{if(!K(t))throw new p("view-selection-setto-not-selectable",this);this._setRanges(t,i&&i.backward),this._setFakeOptions(i)}this.fire("change")}setFocus(e,t){if(null===this.anchor)throw new p("view-selection-setfocus-no-ranges",this);const n=gr._createAt(e,t);if("same"==n.compareWith(this.focus))return;const i=this.anchor;this._ranges.pop(),"before"==n.compareWith(i)?this._addRange(new pr(n,i),!0):this._addRange(new pr(i,n)),this.fire("change")}_setRanges(e,t=!1){e=Array.from(e),this._ranges=[];for(const t of e)this._addRange(t);this._lastRangeBackward=!!t}_setFakeOptions(e={}){this._isFake=!!e.fake,this._fakeSelectionLabel=e.fake&&e.label||""}_addRange(e,t=!1){if(!(e instanceof pr))throw new p("view-selection-add-range-not-range",this);this._pushRange(e),this._lastRangeBackward=!!t}_pushRange(e){for(const t of this._ranges)if(e.isIntersecting(t))throw new p("view-selection-range-intersects",this,{addedRange:e,intersectingRange:t});this._ranges.push(new pr(e.start,e.end))}}br.prototype.is=function(e){return"selection"===e||"view:selection"===e};class kr extends(x(Co)){constructor(...e){super(),this._selection=new br,this._selection.delegate("change").to(this),e.length&&this._selection.setTo(...e)}get isFake(){return this._selection.isFake}get fakeSelectionLabel(){return this._selection.fakeSelectionLabel}get anchor(){return this._selection.anchor}get focus(){return this._selection.focus}get isCollapsed(){return this._selection.isCollapsed}get rangeCount(){return this._selection.rangeCount}get isBackward(){return this._selection.isBackward}get editableElement(){return this._selection.editableElement}get _ranges(){return this._selection._ranges}*getRanges(){yield*this._selection.getRanges()}getFirstRange(){return this._selection.getFirstRange()}getLastRange(){return this._selection.getLastRange()}getFirstPosition(){return this._selection.getFirstPosition()}getLastPosition(){return this._selection.getLastPosition()}getSelectedElement(){return this._selection.getSelectedElement()}isEqual(e){return this._selection.isEqual(e)}isSimilar(e){return this._selection.isSimilar(e)}_setTo(...e){this._selection.setTo(...e)}_setFocus(e,t){this._selection.setFocus(e,t)}}kr.prototype.is=function(e){return"selection"===e||"documentSelection"==e||"view:selection"==e||"view:documentSelection"==e};class wr extends d{constructor(e,t,n){super(e,t),this.startRange=n,this._eventPhase="none",this._currentTarget=null}get eventPhase(){return this._eventPhase}get currentTarget(){return this._currentTarget}}const _r=Symbol("bubbling contexts");function vr(e){return class extends e{fire(e,...t){try{const n=e instanceof d?e:new d(this,e),i=Cr(this);if(!i.size)return;if(yr(n,"capturing",this),xr(i,"$capture",n,...t))return n.return;const o=n.startRange||this.selection.getFirstRange(),r=o?o.getContainedElement():null,s=!!r&&Boolean(Ar(i,r));let a=r||function(e){if(!e)return null;const t=e.start.parent,n=e.end.parent,i=t.getPath(),o=n.getPath();return i.length>o.length?t:n}(o);if(yr(n,"atTarget",a),!s){if(xr(i,"$text",n,...t))return n.return;yr(n,"bubbling",a)}for(;a;){if(a.is("rootElement")){if(xr(i,"$root",n,...t))return n.return}else if(a.is("element")&&xr(i,a.name,n,...t))return n.return;if(xr(i,a,n,...t))return n.return;a=a.parent,yr(n,"bubbling",a)}return yr(n,"bubbling",this),xr(i,"$document",n,...t),n.return}catch(e){p.rethrowUnexpectedError(e,this)}}_addEventListener(e,t,n){const i=Ti(n.context||"$document"),o=Cr(this);for(const r of i){let i=o.get(r);i||(i=new(x()),o.set(r,i)),this.listenTo(i,e,t,n)}}_removeEventListener(e,t){const n=Cr(this);for(const i of n.values())this.stopListening(i,e,t)}}}{const e=vr(Object);["fire","_addEventListener","_removeEventListener"].forEach(t=>{vr[t]=e.prototype[t]})}function yr(e,t,n){e instanceof wr&&(e._eventPhase=t,e._currentTarget=n)}function xr(e,t,n,...i){const o="string"==typeof t?e.get(t):Ar(e,t);return!!o&&(o.fire(n,...i),n.stop.called)}function Ar(e,t){for(const[n,i]of e)if("function"==typeof n&&n(t))return i;return null}function Cr(e){return e[_r]||(e[_r]=new Map),e[_r]}class Er extends(vr(F())){constructor(e){super(),this._postFixers=new Set,this.selection=new kr,this.roots=new qi({idProperty:"rootName"}),this.stylesProcessor=e,this.set("isReadOnly",!1),this.set("isFocused",!1),this.set("isSelecting",!1),this.set("isComposing",!1)}getRoot(e="main"){return this.roots.get(e)}registerPostFixer(e){this._postFixers.add(e)}destroy(){this.roots.forEach(e=>e.destroy()),this.stopListening()}_callPostFixers(e){let t=!1;do{for(const n of this._postFixers)if(t=n(e),t)break}while(t)}}class Tr extends sr{constructor(e,t,n,i){super(e,t,n,i),this._priority=10,this._id=null,this._clonesGroup=null,this.getFillerOffset=Sr}get priority(){return this._priority}get id(){return this._id}getElementsWithSameId(){if(null===this.id)throw new p("attribute-element-get-elements-with-same-id-no-id",this);return new Set(this._clonesGroup)}isSimilar(e){return null!==this.id||null!==e.id?this.id===e.id:super.isSimilar(e)&&this.priority==e.priority}_clone(e=!1){const t=super._clone(e);return t._priority=this._priority,t._id=this._id,t}}Tr.DEFAULT_PRIORITY=10;const Pr=Tr;function Sr(){if(Rr(this))return null;let e=this.parent;for(;e&&e.is("attributeElement");){if(Rr(e)>1)return null;e=e.parent}return!e||Rr(e)>1?null:this.childCount}function Rr(e){return Array.from(e.getChildren()).filter(e=>!e.is("uiElement")).length}Tr.prototype.is=function(e,t){return t?t===this.name&&("attributeElement"===e||"view:attributeElement"===e||"element"===e||"view:element"===e):"attributeElement"===e||"view:attributeElement"===e||"element"===e||"view:element"===e||"node"===e||"view:node"===e};class Ir extends sr{constructor(e,t,n,i){super(e,t,n,i),this.getFillerOffset=Or}_insertChild(e,t){if(t&&(t instanceof To||Array.from(t).length>0))throw new 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this.markedChildren)this._updateChildrenMappings(e);t?(this._inlineFiller&&!this._isSelectionInInlineFiller()&&this._removeInlineFiller(),this._inlineFiller?e=this._getInlineFillerPosition():this._needsInlineFillerAtSelection()&&(e=this.selection.getFirstPosition(),this.markedChildren.add(e.parent))):this._inlineFiller&&this._inlineFiller.parentNode&&(e=this.domConverter.domPositionToView(this._inlineFiller),e&&e.parent.is("$text")&&(e=gr._createBefore(e.parent)));for(const e of this.markedAttributes)this._updateAttrs(e);for(const t of this.markedChildren)this._updateChildren(t,{inlineFillerPosition:e});for(const t of this.markedTexts)!this.markedChildren.has(t.parent)&&this.domConverter.mapViewToDom(t.parent)&&this._updateText(t,{inlineFillerPosition:e});if(t)if(e){const t=this.domConverter.viewPositionToDom(e),n=t.parent.ownerDocument;Xr(t.parent)?this._inlineFiller=t.parent:this._inlineFiller=ss(n,t.parent,t.offset)}else this._inlineFiller=null;this._updateFocus(),this._updateSelection(),this.domConverter._clearTemporaryCustomProperties(),this.markedTexts.clear(),this.markedAttributes.clear(),this.markedChildren.clear()}_updateChildrenMappings(e){const t=this.domConverter.mapViewToDom(e);if(!t)return;const n=Array.from(t.childNodes),i=Array.from(this.domConverter.viewChildrenToDom(e,{withChildren:!1})),o=this._diffNodeLists(n,i),r=this._findUpdateActions(o,n,i,as);if(-1!==r.indexOf("update")){const t={equal:0,insert:0,delete:0};for(const o of r)if("update"===o){const o=t.equal+t.insert,r=t.equal+t.delete,s=e.getChild(o);!s||s.is("uiElement")||s.is("rawElement")||this._updateElementMappings(s,n[r]),ci(i[o]),t.equal++}else t[o]++}}_updateElementMappings(e,t){this.domConverter.unbindDomElement(t),this.domConverter.bindElements(t,e),this.markedChildren.add(e),this.markedAttributes.add(e)}_getInlineFillerPosition(){const e=this.selection.getFirstPosition();return e.parent.is("$text")?gr._createBefore(e.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&&$n(t.parent)&&Xr(t.parent))}_removeInlineFiller(){const e=this._inlineFiller;if(!Xr(e))throw new p("view-renderer-filler-was-lost",this);es(e)?e.remove():e.data=e.data.substr(7),this._inlineFiller=null}_needsInlineFillerAtSelection(){if(1!=this.selection.rangeCount||!this.selection.isCollapsed)return!1;const e=this.selection.getFirstPosition(),t=e.parent,i=e.offset;if(!this.domConverter.mapViewToDom(t.root))return!1;if(!t.is("element"))return!1;if(!function(e){if("false"==e.getAttribute("contenteditable"))return!1;const t=e.findAncestor(e=>e.hasAttribute("contenteditable"));return!t||"true"==t.getAttribute("contenteditable")}(t))return!1;if(i===t.getFillerOffset())return!1;const o=e.nodeBefore,r=e.nodeAfter;return!(o instanceof Po||r instanceof Po||n.isAndroid&&(o||r))}_updateText(e,t){const n=this.domConverter.findCorrespondingDomText(e);let i=this.domConverter.viewToDom(e).data;const o=t.inlineFillerPosition;o&&o.parent==e.parent&&o.offset==e.index&&(i=Yr+i),ds(n,i)}_updateAttrs(e){const t=this.domConverter.mapViewToDom(e);if(!t)return;const n=Array.from(t.attributes).map(e=>e.name),i=e.getAttributeKeys();for(const n of i)this.domConverter.setDomElementAttribute(t,n,e.getAttribute(n),e);for(const i of n)e.hasAttribute(i)||this.domConverter.removeDomElementAttribute(t,i)}_updateChildren(e,t){const i=this.domConverter.mapViewToDom(e);if(!i)return;if(n.isAndroid){let e=null;for(const t of Array.from(i.childNodes)){if(e&&$n(e)&&$n(t)){i.normalize();break}e=t}}const o=t.inlineFillerPosition,r=i.childNodes,s=Array.from(this.domConverter.viewChildrenToDom(e,{bind:!0}));o&&o.parent===e&&ss(i.ownerDocument,s,o.offset);const a=this._diffNodeLists(r,s),c=this._findUpdateActions(a,r,s,cs);let l=0;const d=new Set;for(const e of c)"delete"===e?(d.add(r[l]),ci(r[l])):"equal"!==e&&"update"!==e||l++;l=0;for(const e of c)"insert"===e?(ni(i,l,s[l]),l++):"update"===e?(ds(r[l],s[l].data),l++):"equal"===e&&(this._markDescendantTextToSync(this.domConverter.domToView(s[l])),l++);for(const e of d)e.parentNode||this.domConverter.unbindDomElement(e)}_diffNodeLists(e,t){return l(e=function(e,t){const n=Array.from(e);if(0==n.length||!t)return n;return n[n.length-1]==t&&n.pop(),n}(e,this._fakeSelectionContainer),t,ls.bind(null,this.domConverter))}_findUpdateActions(e,t,n,i){if(-1===e.indexOf("insert")||-1===e.indexOf("delete"))return e;let o=[],r=[],s=[];const a={equal:0,insert:0,delete:0};for(const c of e)"insert"===c?s.push(n[a.equal+a.insert]):"delete"===c?r.push(t[a.equal+a.delete]):(o=o.concat(l(r,s,i).map(e=>"equal"===e?"update":e)),o.push("equal"),r=[],s=[]),a[c]++;return o.concat(l(r,s,i).map(e=>"equal"===e?"update":e))}_markDescendantTextToSync(e){if(e)if(e.is("$text"))this.markedTexts.add(e);else if(e.is("element"))for(const t of e.getChildren())this._markDescendantTextToSync(t)}_updateSelection(){if(n.isBlink&&!n.isAndroid&&this.isSelecting&&!this.markedChildren.size)return;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._fakeSelectionContainer&&this._fakeSelectionContainer.isConnected?(this._removeFakeSelection(),this._updateDomSelection(e)):this.isComposing&&n.isAndroid||this._updateDomSelection(e))}_updateFakeSelection(e){const t=e.ownerDocument;this._fakeSelectionContainer||(this._fakeSelectionContainer=function(e){const t=e.createElement("div");return t.className="ck-fake-selection-container",Object.assign(t.style,{position:"fixed",top:0,left:"-9999px",width:"42px"}),t.textContent=" ",t}(t));const n=this._fakeSelectionContainer;if(this.domConverter.bindFakeSelection(n,this.selection),!this._fakeSelectionNeedsUpdate(e))return;n.parentElement&&n.parentElement==e||e.appendChild(n),n.textContent=this.selection.fakeSelectionLabel||" ";const i=t.getSelection(),o=t.createRange();i.removeAllRanges(),o.selectNodeContents(n),i.addRange(o)}_updateDomSelection(e){const t=e.ownerDocument.defaultView.getSelection();if(!this._domSelectionNeedsUpdate(t))return;const i=this.domConverter.viewPositionToDom(this.selection.anchor),o=this.domConverter.viewPositionToDom(this.selection.focus);t.setBaseAndExtent(i.parent,i.offset,o.parent,o.offset),n.isGecko&&function(e,t){const n=e.parent;if(n.nodeType!=Node.ELEMENT_NODE||e.offset!=n.childNodes.length-1)return;const i=n.childNodes[e.offset];i&&"BR"==i.tagName&&t.addRange(t.getRangeAt(0))}(o,t)}_domSelectionNeedsUpdate(e){if(!this.domConverter.isDomSelectionCorrect(e))return!0;const t=e&&this.domConverter.domSelectionToView(e);return!(t&&this.selection.isEqual(t)||!this.selection.isCollapsed&&this.selection.isSimilar(t))}_fakeSelectionNeedsUpdate(e){const t=this._fakeSelectionContainer,n=e.ownerDocument.getSelection();return!t||t.parentElement!==e||n.anchorNode!==t&&!t.contains(n.anchorNode)||t.textContent!==this.selection.fakeSelectionLabel}_removeDomSelection(){for(const e of this.domDocuments){const t=e.getSelection();if(t.rangeCount){const n=e.activeElement,i=this.domConverter.mapDomToView(n);n&&i&&t.removeAllRanges()}}}_removeFakeSelection(){const e=this._fakeSelectionContainer;e&&e.remove()}_updateFocus(){if(this.isFocused){const e=this.selection.editableElement;e&&this.domConverter.focus(e)}}}function ss(e,t,n){const i=t instanceof Array?t:t.childNodes,o=i[n];if($n(o))return o.data=Yr+o.data,o;{const o=e.createTextNode(Yr);return Array.isArray(t)?i.splice(n,0,o):ni(t,n,o),o}}function as(e,t){return On(e)&&On(t)&&!$n(e)&&!$n(t)&&!ii(e)&&!ii(t)&&e.tagName.toLowerCase()===t.tagName.toLowerCase()}function cs(e,t){return On(e)&&On(t)&&$n(e)&&$n(t)}function ls(e,t,n){return t===n||($n(t)&&$n(n)?t.data===n.data:!(!e.isBlockFiller(t)||!e.isBlockFiller(n)))}function ds(e,t){const n=e.data;if(n==t)return;const i=s(n,t);for(const t of i)"insert"===t.type?e.insertData(t.index,t.values.join("")):e.deleteData(t.index,t.howMany)}const hs=Qr(Fn.document),us=Gr(Fn.document),fs=Jr(Fn.document),gs="data-ck-unsafe-attribute-",ps="data-ck-unsafe-element";class ms{constructor(e,{blockFillerMode:t,renderingMode:n="editing"}={}){this._domToViewMapping=new WeakMap,this._viewToDomMapping=new WeakMap,this._fakeSelectionMapping=new WeakMap,this._rawContentElementMatcher=new Ro,this._inlineObjectElementMatcher=new Ro,this._elementsWithTemporaryCustomProperties=new Set,this.document=e,this.renderingMode=n,this.blockFillerMode=t||("editing"===n?"br":"nbsp"),this.preElements=["pre"],this.blockElements=["address","article","aside","blockquote","caption","center","dd","details","dir","div","dl","dt","fieldset","figcaption","figure","footer","form","h1","h2","h3","h4","h5","h6","header","hgroup","legend","li","main","menu","nav","ol","p","pre","section","summary","table","tbody","td","tfoot","th","thead","tr","ul"],this.inlineObjectElements=["object","iframe","input","button","textarea","select","option","video","embed","audio","img","canvas"],this.unsafeElements=["script","style"],this._domDocument="editing"===this.renderingMode?Fn.document:Fn.document.implementation.createHTMLDocument("")}bindFakeSelection(e,t){this._fakeSelectionMapping.set(e,new br(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.children))this.unbindDomElement(t)}}bindDocumentFragments(e,t){this._domToViewMapping.set(e,t),this._viewToDomMapping.set(t,e)}shouldRenderAttribute(e,t,n){return"data"===this.renderingMode||!(e=e.toLowerCase()).startsWith("on")&&("srcdoc"!==e||!t.match(/\bon\S+\s*=|javascript:|<\s*\/*script/i))&&("img"===n&&("src"===e||"srcset"===e)||"source"===n&&"srcset"===e||!t.match(/^\s*(javascript:|data:(image\/svg|text\/x?html))/i))}setContentOf(e,t){if("data"===this.renderingMode)return void(e.innerHTML=t);const n=(new DOMParser).parseFromString(t,"text/html"),i=n.createDocumentFragment(),o=n.body.childNodes;for(;o.length>0;)i.appendChild(o[0]);const r=n.createTreeWalker(i,NodeFilter.SHOW_ELEMENT),s=[];let a;for(;a=r.nextNode();)s.push(a);for(const e of s){for(const t of e.getAttributeNames())this.setDomElementAttribute(e,t,e.getAttribute(t));const t=e.tagName.toLowerCase();this._shouldRenameElement(t)&&(_s(t),e.replaceWith(this._createReplacementDomElement(t,e)))}for(;e.firstChild;)e.firstChild.remove();e.append(i)}viewToDom(e,t={}){if(e.is("$text")){const t=this._processDataFromViewText(e);return this._domDocument.createTextNode(t)}{const n=e;if(this.mapViewToDom(n)){if(!n.getCustomProperty("editingPipeline:doNotReuseOnce"))return this.mapViewToDom(n);this._elementsWithTemporaryCustomProperties.add(n)}let i;if(n.is("documentFragment"))i=this._domDocument.createDocumentFragment(),t.bind&&this.bindDocumentFragments(i,n);else{if(n.is("uiElement"))return i="$comment"===n.name?this._domDocument.createComment(n.getCustomProperty("$rawContent")):n.render(this._domDocument,this),t.bind&&this.bindElements(i,n),i;this._shouldRenameElement(n.name)?(_s(n.name),i=this._createReplacementDomElement(n.name)):i=n.hasAttribute("xmlns")?this._domDocument.createElementNS(n.getAttribute("xmlns"),n.name):this._domDocument.createElement(n.name),n.is("rawElement")&&n.render(i,this),t.bind&&this.bindElements(i,n);for(const e of n.getAttributeKeys())this.setDomElementAttribute(i,e,n.getAttribute(e),n)}if(!1!==t.withChildren)for(const e of this.viewChildrenToDom(n,t))i.appendChild(e);return i}}setDomElementAttribute(e,t,n,i){const o=this.shouldRenderAttribute(t,n,e.tagName.toLowerCase())||i&&i.shouldRenderUnsafeAttribute(t);o||m("domconverter-unsafe-attribute-detected",{domElement:e,key:t,value:n}),function(e){try{Fn.document.createAttribute(e)}catch(e){return!1}return!0}(t)?(e.hasAttribute(t)&&!o?e.removeAttribute(t):e.hasAttribute(gs+t)&&o&&e.removeAttribute(gs+t),e.setAttribute(o?t:gs+t,n)):m("domconverter-invalid-attribute-detected",{domElement:e,key:t,value:n})}removeDomElementAttribute(e,t){t!=ps&&(e.removeAttribute(t),e.removeAttribute(gs+t))}*viewChildrenToDom(e,t={}){const n=e.getFillerOffset&&e.getFillerOffset();let i=0;for(const o of e.getChildren()){n===i&&(yield this._getBlockFiller());const e=o.is("element")&&!!o.getCustomProperty("dataPipeline:transparentRendering")&&!Wi(o.getAttributes());e&&"data"==this.renderingMode?yield*this.viewChildrenToDom(o,t):(e&&m("domconverter-transparent-rendering-unsupported-in-editing-pipeline",{viewElement:o}),yield this.viewToDom(o,t)),i++}n===i&&(yield this._getBlockFiller())}viewRangeToDom(e){const t=this.viewPositionToDom(e.start),n=this.viewPositionToDom(e.end),i=this._domDocument.createRange();return i.setStart(t.parent,t.offset),i.setEnd(n.parent,n.offset),i}viewPositionToDom(e){const t=e.parent;if(t.is("$text")){const n=this.findCorrespondingDomText(t);if(!n)return null;let i=e.offset;return Xr(n)&&(i+=7),{parent:n,offset:i}}{let n,i,o;if(0===e.offset){if(n=this.mapViewToDom(t),!n)return null;o=n.childNodes[0]}else{const t=e.nodeBefore;if(i=t.is("$text")?this.findCorrespondingDomText(t):this.mapViewToDom(t),!i)return null;n=i.parentNode,o=i.nextSibling}return $n(o)&&Xr(o)?{parent:o,offset:7}:{parent:n,offset:i?ti(i)+1:0}}}domToView(e,t={}){const n=[],i=this._domToView(e,t,n),o=i.next().value;return o?(i.next(),this._processDomInlineNodes(null,n,t),o.is("$text")&&0==o.data.length?null:o):null}*domChildrenToView(e,t={},n=[]){for(let i=0;i<e.childNodes.length;i++){const o=e.childNodes[i],r=this._domToView(o,t,n),s=r.next().value;null!==s&&(this._isBlockViewElement(s)&&this._processDomInlineNodes(e,n,t),yield s,r.next())}this._processDomInlineNodes(e,n,t)}domSelectionToView(e){if(function(e){if(!n.isGecko)return!1;if(!e.rangeCount)return!1;const t=e.getRangeAt(0).startContainer;try{Object.prototype.toString.call(t)}catch(e){return!0}return!1}(e))return new br([]);if(1===e.rangeCount){let t=e.getRangeAt(0).startContainer;$n(t)&&(t=t.parentNode);const n=this.fakeSelectionToView(t);if(n)return n}const t=this.isDomSelectionBackward(e),i=[];for(let t=0;t<e.rangeCount;t++){const n=e.getRangeAt(t),o=this.domRangeToView(n);o&&i.push(o)}return new br(i,{backward:t})}domRangeToView(e){const t=this.domPositionToView(e.startContainer,e.startOffset),n=this.domPositionToView(e.endContainer,e.endOffset);return t&&n?new pr(t,n):null}domPositionToView(e,t=0){if(this.isBlockFiller(e))return this.domPositionToView(e.parentNode,ti(e));const n=this.mapDomToView(e);if(n&&(n.is("uiElement")||n.is("rawElement")))return gr._createBefore(n);if($n(e)){if(es(e))return this.domPositionToView(e.parentNode,ti(e));const n=this.findCorrespondingViewText(e);let i=t;return n?(Xr(e)&&(i-=7,i=i<0?0:i),new gr(n,i)):null}if(0===t){const t=this.mapDomToView(e);if(t)return new gr(t,0)}else{const n=e.childNodes[t-1];if($n(n)&&es(n)||n&&this.isBlockFiller(n))return this.domPositionToView(n.parentNode,ti(n));const i=$n(n)?this.findCorrespondingViewText(n):this.mapDomToView(n);if(i&&i.parent)return new gr(i.parent,i.index+1)}return null}mapDomToView(e){return this.getHostViewElement(e)||this._domToViewMapping.get(e)}findCorrespondingViewText(e){if(es(e))return null;const t=this.getHostViewElement(e);if(t)return t;const n=e.previousSibling;if(n){if(!this.isElement(n))return null;const e=this.mapDomToView(n);if(e){const t=e.nextSibling;return t instanceof Po?t:null}}else{const t=this.mapDomToView(e.parentNode);if(t){const e=t.getChild(0);return e instanceof Po?e:null}}return null}mapViewToDom(e){return this._viewToDomMapping.get(e)}findCorrespondingDomText(e){const t=e.previousSibling;return t&&this.mapViewToDom(t)?this.mapViewToDom(t).nextSibling:!t&&e.parent&&this.mapViewToDom(e.parent)?this.mapViewToDom(e.parent).childNodes[0]:null}focus(e){const t=this.mapViewToDom(e);if(t&&t.ownerDocument.activeElement!==t){const{scrollX:e,scrollY:n}=Fn.window,i=[];ks(t,e=>{const{scrollLeft:t,scrollTop:n}=e;i.push([t,n])}),t.focus(),ks(t,e=>{const[t,n]=i.shift();e.scrollLeft=t,e.scrollTop=n}),Fn.window.scrollTo(e,n)}}_clearDomSelection(){const e=this.mapViewToDom(this.document.selection.editableElement);if(!e)return;const t=e.ownerDocument.defaultView.getSelection(),n=this.domSelectionToView(t);n&&n.rangeCount>0&&t.removeAllRanges()}isElement(e){return e&&e.nodeType==Node.ELEMENT_NODE}isDocumentFragment(e){return e&&e.nodeType==Node.DOCUMENT_FRAGMENT_NODE}isBlockFiller(e){return"br"==this.blockFillerMode?e.isEqualNode(hs):!("BR"!==e.tagName||!ws(e,this.blockElements)||1!==e.parentNode.childNodes.length)||e.isEqualNode(fs)||function(e,t){return e.isEqualNode(us)&&ws(e,t)&&1===e.parentNode.childNodes.length}(e,this.blockElements)}isDomSelectionBackward(e){if(e.isCollapsed)return!1;const t=this._domDocument.createRange();try{t.setStart(e.anchorNode,e.anchorOffset),t.setEnd(e.focusNode,e.focusOffset)}catch(e){return!1}const n=t.collapsed;return t.detach(),n}getHostViewElement(e){const t=function(e){const t=[];let n=e;for(;n&&n.nodeType!=Node.DOCUMENT_NODE;)t.unshift(n),n=n.parentNode;return t}(e);for(t.pop();t.length;){const e=t.pop(),n=this._domToViewMapping.get(e);if(n&&(n.is("uiElement")||n.is("rawElement")))return n}return null}isDomSelectionCorrect(e){return this._isDomSelectionPositionCorrect(e.anchorNode,e.anchorOffset)&&this._isDomSelectionPositionCorrect(e.focusNode,e.focusOffset)}registerRawContentMatcher(e){this._rawContentElementMatcher.add(e)}registerInlineObjectMatcher(e){this._inlineObjectElementMatcher.add(e)}_clearTemporaryCustomProperties(){for(const e of this._elementsWithTemporaryCustomProperties)e._removeCustomProperty("editingPipeline:doNotReuseOnce");this._elementsWithTemporaryCustomProperties.clear()}_getBlockFiller(){switch(this.blockFillerMode){case"nbsp":return Gr(this._domDocument);case"markedNbsp":return Jr(this._domDocument);case"br":return Qr(this._domDocument)}}_isDomSelectionPositionCorrect(e,t){if($n(e)&&Xr(e)&&t<7)return!1;if(this.isElement(e)&&Xr(e.childNodes[t]))return!1;const n=this.mapDomToView(e);return!n||!n.is("uiElement")&&!n.is("rawElement")}*_domToView(e,t,n){if(this.isBlockFiller(e))return null;const i=this.getHostViewElement(e);if(i)return i;if(ii(e)&&t.skipComments)return null;if($n(e)){if(es(e))return null;{const t=e.data;if(""===t)return null;const i=new Po(this.document,t);return n.push(i),i}}{let i=this.mapDomToView(e);if(i)return this._isInlineObjectElement(i)&&n.push(i),i;if(this.isDocumentFragment(e))i=new Br(this.document),t.bind&&this.bindDocumentFragments(e,i);else{i=this._createViewElement(e,t),t.bind&&this.bindElements(e,i);const o=e.attributes;if(o)for(let e=o.length,t=0;t<e;t++)i._setAttribute(o[t].name,o[t].value);if(this._isViewElementWithRawContent(i,t))return i._setCustomProperty("$rawContent",e.innerHTML),this._isBlockViewElement(i)||n.push(i),i;if(ii(e))return i._setCustomProperty("$rawContent",e.data),i}yield i;const o=[];if(!1!==t.withChildren)for(const n of this.domChildrenToView(e,t,o))i._appendChild(n);if(this._isInlineObjectElement(i))n.push(i);else for(const e of o)n.push(e)}}_processDomInlineNodes(e,t,n){if(!t.length)return;if(e&&!this.isDocumentFragment(e)&&!this._isBlockDomElement(e))return;let i=!1;for(let e=0;e<t.length;e++){const o=t[e];if(!o.is("$text")){i=!1;continue}let r,s=!1;if(bs(o,this.preElements))r=ts(o.data);else{r=o.data.replace(/[ \n\t\r]{1,}/g," "),s=/[^\S\u00A0]/.test(r.charAt(r.length-1));const a=e>0?t[e-1]:null,c=e+1<t.length?t[e+1]:null,l=!a||a.is("element")&&"br"==a.name||i,d=!c&&!Xr(o.data);!1!==n.withChildren&&(l&&(r=r.replace(/^ /,"")),d&&(r=r.replace(/ $/,""))),r=ts(r),r=r.replace(/ \u00A0/g,"  ");const h=c&&c.is("element")&&"br"!=c.name,u=c&&c.is("$text")&&" "==c.data.charAt(0);(/[ \u00A0]\u00A0$/.test(r)||!c||h||u)&&(r=r.replace(/\u00A0$/," ")),(l||a&&a.is("element")&&"br"!=a.name)&&(r=r.replace(/^\u00A0/," "))}0==r.length&&o.parent?(o._remove(),t.splice(e,1),e--):(o._data=r,i=s)}t.length=0}_processDataFromViewText(e){let t=e.data;if(e.getAncestors().some(e=>this.preElements.includes(e.name)))return t;if(" "==t.charAt(0)){const n=this._getTouchingInlineViewNode(e,!1);!(n&&n.is("$textProxy")&&this._nodeEndsWithSpace(n))&&n||(t=" "+t.substr(1))}if(" "==t.charAt(t.length-1)){const n=this._getTouchingInlineViewNode(e,!0),i=n&&n.is("$textProxy")&&" "==n.data.charAt(0);" "!=t.charAt(t.length-2)&&n&&!i||(t=t.substr(0,t.length-1)+" ")}return t.replace(/ {2}/g,"  ")}_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)}_getTouchingInlineViewNode(e,t){const n=new fr({startPosition:t?gr._createAfter(e):gr._createBefore(e),direction:t?"forward":"backward"});for(const e of n){if(e.item.is("element","br"))return null;if(this._isInlineObjectElement(e.item))return e.item;if(e.item.is("containerElement"))return null;if(e.item.is("$textProxy"))return e.item}return null}_isBlockDomElement(e){return this.isElement(e)&&this.blockElements.includes(e.tagName.toLowerCase())}_isBlockViewElement(e){return 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n=t.mapViewToDom(e),i=Array.from(e.getChildren()),r=Array.from(t.domChildrenToView(n,{withChildren:!1}));ta(i,r,ia)||(o=!0,this.renderer.markToSync("children",e))}o&&this.view.forceRender()}_isBogusBrMutation(e){let t=null;return null===e.nextSibling&&0===e.removedNodes.length&&1==e.addedNodes.length&&(t=this.domConverter.domToView(e.addedNodes[0],{withChildren:!1})),t&&t.is("element","br")}}function ia(e,t){if(!Array.isArray(e))return e===t||!(!e.is("$text")||!t.is("$text"))&&e.data===t.data}class oa extends As{constructor(e){super(e),this._isFocusChanging=!1,this.domEventType=["focus","blur"],this.useCapture=!0;const t=this.document;t.on("focus",()=>{this._isFocusChanging=!0,this._renderTimeoutId=setTimeout(()=>{this.flush(),e.change(()=>{})},50)}),t.on("blur",(n,i)=>{const o=t.selection.editableElement;null!==o&&o!==i.target||(t.isFocused=!1,this._isFocusChanging=!1,e.change(()=>{}))})}flush(){this._isFocusChanging&&(this._isFocusChanging=!1,this.document.isFocused=!0)}onDomEvent(e){this.fire(e.type,e)}destroy(){this._renderTimeoutId&&clearTimeout(this._renderTimeoutId),super.destroy()}}class ra extends vs{constructor(e){super(e),this.mutationObserver=e.getObserver(na),this.focusObserver=e.getObserver(oa),this.selection=this.document.selection,this.domConverter=e.domConverter,this._documents=new WeakSet,this._fireSelectionChangeDoneDebounced=Bs(e=>{this.document.fire("selectionChangeDone",e)},200),this._clearInfiniteLoopInterval=setInterval(()=>this._clearInfiniteLoop(),1e3),this._documentIsSelectingInactivityTimeoutDebounced=Bs(()=>this.document.isSelecting=!1,5e3),this._loopbackCounter=0}observe(e){const t=e.ownerDocument,i=()=>{this.document.isSelecting&&(this._handleSelectionChange(null,t),this.document.isSelecting=!1,this._documentIsSelectingInactivityTimeoutDebounced.cancel())};this.listenTo(e,"selectstart",()=>{this.document.isSelecting=!0,this._documentIsSelectingInactivityTimeoutDebounced()},{priority:"highest"}),this.listenTo(e,"keydown",i,{priority:"highest",useCapture:!0}),this.listenTo(e,"keyup",i,{priority:"highest",useCapture:!0}),this._documents.has(t)||(this.listenTo(t,"mouseup",i,{priority:"highest",useCapture:!0}),this.listenTo(t,"selectionchange",(e,i)=>{this.document.isComposing&&!n.isAndroid||(this._handleSelectionChange(i,t),this._documentIsSelectingInactivityTimeoutDebounced())}),this._documents.add(t))}stopObserving(e){this.stopListening(e)}destroy(){super.destroy(),clearInterval(this._clearInfiniteLoopInterval),this._fireSelectionChangeDoneDebounced.cancel(),this._documentIsSelectingInactivityTimeoutDebounced.cancel()}_reportInfiniteLoop(){}_handleSelectionChange(e,t){if(!this.isEnabled)return;const n=t.defaultView.getSelection();if(this.checkShouldIgnoreEventFromTarget(n.anchorNode))return;this.mutationObserver.flush();const i=this.domConverter.domSelectionToView(n);if(0!=i.rangeCount){if(this.view.hasDomSelection=!0,this.focusObserver.flush(),!this.selection.isEqual(i)||!this.domConverter.isDomSelectionCorrect(n))if(++this._loopbackCounter>60)this._reportInfiniteLoop();else if(this.selection.isSimilar(i))this.view.forceRender();else{const e={oldSelection:this.selection,newSelection:i,domSelection:n};this.document.fire("selectionChange",e),this._fireSelectionChangeDoneDebounced(e)}}else this.view.hasDomSelection=!1}_clearInfiniteLoop(){this._loopbackCounter=0}}class sa extends As{constructor(e){super(e),this.domEventType=["compositionstart","compositionupdate","compositionend"];const t=this.document;t.on("compositionstart",()=>{t.isComposing=!0},{priority:"low"}),t.on("compositionend",()=>{t.isComposing=!1},{priority:"low"})}onDomEvent(e){this.fire(e.type,e,{data:e.data})}}class aa{constructor(e,t={}){this._files=t.cacheFiles?ca(e):null,this._native=e}get files(){return this._files||(this._files=ca(this._native)),this._files}get types(){return this._native.types}getData(e){return this._native.getData(e)}setData(e,t){this._native.setData(e,t)}set effectAllowed(e){this._native.effectAllowed=e}get effectAllowed(){return this._native.effectAllowed}set dropEffect(e){this._native.dropEffect=e}get dropEffect(){return this._native.dropEffect}setDragImage(e,t,n){this._native.setDragImage(e,t,n)}get isCanceled(){return"none"==this._native.dropEffect||!!this._native.mozUserCancelled}}function ca(e){const t=Array.from(e.files||[]),n=Array.from(e.items||[]);return t.length?t:n.filter(e=>"file"===e.kind).map(e=>e.getAsFile())}class la extends As{constructor(){super(...arguments),this.domEventType="beforeinput"}onDomEvent(e){const t=e.getTargetRanges(),i=this.view,o=i.document;let r=null,s=null,a=[];if(e.dataTransfer&&(r=new aa(e.dataTransfer)),null!==e.data?s=e.data:r&&(s=r.getData("text/plain")),o.selection.isFake)a=Array.from(o.selection.getRanges());else if(t.length)a=t.map(e=>{const t=i.domConverter.domPositionToView(e.startContainer,e.startOffset),n=i.domConverter.domPositionToView(e.endContainer,e.endOffset);return t?i.createRange(t,n):n?i.createRange(n):void 0}).filter(e=>!!e);else if(n.isAndroid){const t=e.target.ownerDocument.defaultView.getSelection();a=Array.from(i.domConverter.domSelectionToView(t).getRanges())}if(n.isAndroid&&"insertCompositionText"==e.inputType&&s&&s.endsWith("\n"))this.fire(e.type,e,{inputType:"insertParagraph",targetRanges:[i.createRange(a[0].end)]});else{if("insertText"==e.inputType&&s&&s.includes("\n")){const t=s.split(/\n{1,2}/g);let n=a;for(let i=0;i<t.length;i++){const s=t[i];""!=s&&(this.fire(e.type,e,{data:s,dataTransfer:r,targetRanges:n,inputType:e.inputType,isComposing:e.isComposing}),n=[o.selection.getFirstRange()]),i+1<t.length&&(this.fire(e.type,e,{inputType:"insertParagraph",targetRanges:n}),n=[o.selection.getFirstRange()])}return}this.fire(e.type,e,{data:s,dataTransfer:r,targetRanges:a,inputType:e.inputType,isComposing:e.isComposing})}}}class da extends vs{constructor(e){super(e),this.document.on("keydown",(e,t)=>{if(this.isEnabled&&((n=t.keyCode)==vi.arrowright||n==vi.arrowleft||n==vi.arrowup||n==vi.arrowdown)){const n=new wr(this.document,"arrowKey",this.document.selection.getFirstRange());this.document.fire(n,t),n.stop.called&&e.stop()}var n})}observe(){}stopObserving(){}}class ha extends vs{constructor(e){super(e);const t=this.document;t.on("keydown",(e,n)=>{if(!this.isEnabled||n.keyCode!=vi.tab||n.ctrlKey)return;const i=new wr(t,"tab",t.selection.getFirstRange());t.fire(i,n),i.stop.called&&e.stop()})}observe(){}stopObserving(){}}const ua=function(e){return En(e,5)};class fa extends(F()){constructor(e){var t;super(),this.domRoots=new Map,this._initialDomRootAttributes=new WeakMap,this._observers=new Map,this._ongoingChange=!1,this._postFixersInProgress=!1,this._renderingDisabled=!1,this._hasChangedSinceTheLastRendering=!1,this.document=new Er(e),this.domConverter=new ms(this.document),this.set("isRenderingInProgress",!1),this.set("hasDomSelection",!1),this._renderer=new rs(this.domConverter,this.document.selection),this._renderer.bind("isFocused","isSelecting","isComposing").to(this.document,"isFocused","isSelecting","isComposing"),this._writer=new Lr(this.document),this.addObserver(na),this.addObserver(oa),this.addObserver(ra),this.addObserver(Cs),this.addObserver(Ls),this.addObserver(sa),this.addObserver(da),this.addObserver(la),this.addObserver(ha),this.document.on("arrowKey",ns,{priority:"low"}),(t=this).document.on("arrowKey",(e,n)=>function(e,t,n){if(t.keyCode==vi.arrowright){const e=t.domTarget.ownerDocument.defaultView.getSelection(),i=1==e.rangeCount&&e.getRangeAt(0).collapsed;if(i||t.shiftKey){const t=e.focusNode,o=e.focusOffset,r=n.domPositionToView(t,o);if(null===r)return;let s=!1;const a=r.getLastMatchingPosition(e=>(e.item.is("uiElement")&&(s=!0),!(!e.item.is("uiElement")&&!e.item.is("attributeElement"))));if(s){const t=n.viewPositionToDom(a);i?e.collapse(t.parent,t.offset):e.extend(t.parent,t.offset)}}}}(0,n,t.domConverter),{priority:"low"}),this.on("render",()=>{this._render(),this.document.fire("layoutChanged"),this._hasChangedSinceTheLastRendering=!1}),this.listenTo(this.document.selection,"change",()=>{this._hasChangedSinceTheLastRendering=!0}),this.listenTo(this.document,"change:isFocused",()=>{this._hasChangedSinceTheLastRendering=!0}),n.isiOS&&this.listenTo(this.document,"blur",(e,t)=>{this.domConverter.mapDomToView(t.domEvent.relatedTarget)||this.domConverter._clearDomSelection()})}attachDomRoot(e,t="main"){const n=this.document.getRoot(t);n._name=e.tagName.toLowerCase();const i={};for(const{name:t,value:o}of Array.from(e.attributes))i[t]=o,"class"===t?this._writer.addClass(o.split(" "),n):this._writer.setAttribute(t,o,n);this._initialDomRootAttributes.set(e,i);const o=()=>{this._writer.setAttribute("contenteditable",(!n.isReadOnly).toString(),n),n.isReadOnly?this._writer.addClass("ck-read-only",n):this._writer.removeClass("ck-read-only",n)};o(),this.domRoots.set(t,e),this.domConverter.bindElements(e,n),this._renderer.markToSync("children",n),this._renderer.markToSync("attributes",n),this._renderer.domDocuments.add(e.ownerDocument),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)),n.on("change:isReadOnly",()=>this.change(o)),n.on("change",()=>{this._hasChangedSinceTheLastRendering=!0});for(const n of this._observers.values())n.observe(e,t)}detachDomRoot(e){const t=this.domRoots.get(e);Array.from(t.attributes).forEach(({name:e})=>t.removeAttribute(e));const n=this._initialDomRootAttributes.get(t);for(const e in n)t.setAttribute(e,n[e]);this.domRoots.delete(e),this.domConverter.unbindDomElement(t);for(const e of this._observers.values())e.stopObserving(t)}getDomRoot(e="main"){return this.domRoots.get(e)}addObserver(e){let t=this._observers.get(e);if(t)return t;t=new e(this),this._observers.set(e,t);for(const[e,n]of this.domRoots)t.observe(n,e);return t.enable(),t}getObserver(e){return this._observers.get(e)}disableObservers(){for(const e of this._observers.values())e.disable()}enableObservers(){for(const e of this._observers.values())e.enable()}scrollToTheSelection({alignToTop:e,forceScroll:t,viewportOffset:n=20,ancestorOffset:i=20}={}){const o=this.document.selection.getFirstRange();if(!o)return;const r=ua({alignToTop:e,forceScroll:t,viewportOffset:n,ancestorOffset:i});"number"==typeof n&&(n={top:n,bottom:n,left:n,right:n});const s={target:this.domConverter.viewRangeToDom(o),viewportOffset:n,ancestorOffset:i,alignToTop:e,forceScroll:t};this.fire("scrollToTheSelection",s,r),function({target:e,viewportOffset:t=0,ancestorOffset:n=0,alignToTop:i,forceScroll:o}){const r=pi(e);let s=r,a=null;for(t=function(e){return"number"==typeof e?{top:e,bottom:e,left:e,right:e}:e}(t);s;){let c;c=mi(s==r?e:a),di({parent:c,getRect:()=>bi(e,s),alignToTop:i,ancestorOffset:n,forceScroll:o});const l=bi(e,s);if(li({window:s,rect:l,viewportOffset:t,alignToTop:i,forceScroll:o}),s.parent!=s){if(a=s.frameElement,s=s.parent,!a)return}else s=null}}(s)}focus(){if(!this.document.isFocused){const e=this.document.selection.editableElement;e&&(this.domConverter.focus(e),this.forceRender())}}change(e){if(this.isRenderingInProgress||this._postFixersInProgress)throw new p("cannot-change-view-tree",this);try{if(this._ongoingChange)return e(this._writer);this._ongoingChange=!0;const t=e(this._writer);return this._ongoingChange=!1,!this._renderingDisabled&&this._hasChangedSinceTheLastRendering&&(this._postFixersInProgress=!0,this.document._callPostFixers(this._writer),this._postFixersInProgress=!1,this.fire("render")),t}catch(e){p.rethrowUnexpectedError(e,this)}}forceRender(){this._hasChangedSinceTheLastRendering=!0,this.getObserver(oa).flush(),this.change(()=>{})}destroy(){for(const e of this._observers.values())e.destroy();this.document.destroy(),this.stopListening()}createPositionAt(e,t){return gr._createAt(e,t)}createPositionAfter(e){return gr._createAfter(e)}createPositionBefore(e){return gr._createBefore(e)}createRange(e,t){return new pr(e,t)}createRangeOn(e){return pr._createOn(e)}createRangeIn(e){return pr._createIn(e)}createSelection(...e){return new br(...e)}_disableRendering(e){this._renderingDisabled=e,0==e&&this.change(()=>{})}_render(){this.isRenderingInProgress=!0,this.disableObservers(),this._renderer.render(),this.enableObservers(),this.isRenderingInProgress=!1}}class ga{is(){throw new Error("is() method is abstract")}}class pa extends ga{constructor(e){super(),this.parent=null,this._attrs=Ki(e)}get document(){return null}get index(){let e;if(!this.parent)return null;if(null===(e=this.parent.getChildIndex(this)))throw new p("model-node-not-found-in-parent",this);return e}get startOffset(){let e;if(!this.parent)return null;if(null===(e=this.parent.getChildStartOffset(this)))throw new p("model-node-not-found-in-parent",this);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}isAttached(){return null!==this.parent&&this.root.isAttached()}getPath(){const e=[];let t=this;for(;t.parent;)e.unshift(t.startOffset),t=t.parent;return e}getAncestors(e={}){const t=[];let n=e.includeSelf?this:this.parent;for(;n;)t[e.parentFirst?"push":"unshift"](n),n=n.parent;return t}getCommonAncestor(e,t={}){const n=this.getAncestors(t),i=e.getAncestors(t);let o=0;for(;n[o]==i[o]&&n[o];)o++;return 0===o?null:n[o-1]}isBefore(e){if(this==e)return!1;if(this.root!==e.root)return!1;const t=this.getPath(),n=e.getPath(),i=Z(t,n);switch(i){case"prefix":return!0;case"extension":return!1;default:return t[i]<n[i]}}isAfter(e){return this!=e&&this.root===e.root&&!this.isBefore(e)}hasAttribute(e){return this._attrs.has(e)}getAttribute(e){return this._attrs.get(e)}getAttributes(){return this._attrs.entries()}getAttributeKeys(){return this._attrs.keys()}toJSON(){const e={};return this._attrs.size&&(e.attributes=Array.from(this._attrs).reduce((e,t)=>(e[t[0]]=t[1],e),{})),e}_clone(e){return new this.constructor(this._attrs)}_remove(){this.parent._removeChildren(this.index)}_setAttribute(e,t){this._attrs.set(e,t)}_setAttributesTo(e){this._attrs=Ki(e)}_removeAttribute(e){return this._attrs.delete(e)}_clearAttributes(){this._attrs.clear()}}pa.prototype.is=function(e){return"node"===e||"model:node"===e};class ma{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 p("model-nodelist-index-out-of-bounds",this);return this.getNodeStartOffset(t)}offsetToIndex(e){let t=0;for(const n of this._nodes){if(e>=t&&e<t+n.offsetSize)return this.getNodeIndex(n);t+=n.offsetSize}if(t!=e)throw new p("model-nodelist-offset-out-of-bounds",this,{offset:e,nodeList:this});return this.length}_insertNodes(e,t){for(const e of t)if(!(e instanceof pa))throw new p("model-nodelist-insertnodes-not-node",this);this._nodes=function(e,t,n){if(Math.max(t.length,e.length)>1e4)return e.slice(0,n).concat(t).concat(e.slice(n+0,e.length));{const i=Array.from(e);return i.splice(n,0,...t),i}}(this._nodes,Array.from(t),e)}_removeNodes(e,t=1){return this._nodes.splice(e,t)}toJSON(){return this._nodes.map(e=>e.toJSON())}}class ba extends pa{constructor(e,t){super(t),this._data=e||""}get offsetSize(){return this.data.length}get data(){return this._data}toJSON(){const e=super.toJSON();return e.data=this.data,e}_clone(){return new ba(this.data,this.getAttributes())}static fromJSON(e){return new ba(e.data,e.attributes)}}ba.prototype.is=function(e){return"$text"===e||"model:$text"===e||"text"===e||"model:text"===e||"node"===e||"model:node"===e};class ka extends ga{constructor(e,t,n){if(super(),this.textNode=e,t<0||t>e.offsetSize)throw new p("model-textproxy-wrong-offsetintext",this);if(n<0||t+n>e.offsetSize)throw new p("model-textproxy-wrong-length",this);this.data=e.data.substring(t,t+n),this.offsetInText=t}get startOffset(){return null!==this.textNode.startOffset?this.textNode.startOffset+this.offsetInText:null}get offsetSize(){return this.data.length}get endOffset(){return null!==this.startOffset?this.startOffset+this.offsetSize:null}get isPartial(){return this.offsetSize!==this.textNode.offsetSize}get parent(){return this.textNode.parent}get root(){return this.textNode.root}getPath(){const e=this.textNode.getPath();return e.length>0&&(e[e.length-1]+=this.offsetInText),e}getAncestors(e={}){const t=[];let n=e.includeSelf?this:this.parent;for(;n;)t[e.parentFirst?"push":"unshift"](n),n=n.parent;return t}hasAttribute(e){return this.textNode.hasAttribute(e)}getAttribute(e){return this.textNode.getAttribute(e)}getAttributes(){return this.textNode.getAttributes()}getAttributeKeys(){return this.textNode.getAttributeKeys()}}ka.prototype.is=function(e){return"$textProxy"===e||"model:$textProxy"===e||"textProxy"===e||"model:textProxy"===e};class wa extends pa{constructor(e,t,n){super(t),this._children=new ma,this.name=e,n&&this._insertChild(0,n)}get childCount(){return this._children.length}get maxOffset(){return this._children.maxOffset}get isEmpty(){return 0===this.childCount}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)}offsetToIndex(e){return this._children.offsetToIndex(e)}getNodeByPath(e){let t=this;for(const n of e)t=t.getChild(t.offsetToIndex(n));return t}findAncestor(e,t={}){let n=t.includeSelf?this:this.parent;for(;n;){if(n.name===e)return n;n=n.parent}return null}toJSON(){const e=super.toJSON();if(e.name=this.name,this._children.length>0){e.children=[];for(const t of this._children)e.children.push(t.toJSON())}return e}_clone(e=!1){const t=e?Array.from(this._children).map(e=>e._clone(!0)):void 0;return new wa(this.name,this.getAttributes(),t)}_appendChild(e){this._insertChild(this.childCount,e)}_insertChild(e,t){const n=function(e){return"string"==typeof e?[new ba(e)]:(K(e)||(e=[e]),Array.from(e).map(e=>"string"==typeof e?new ba(e):e instanceof ka?new ba(e.data,e.getAttributes()):e))}(t);for(const e of n)null!==e.parent&&e._remove(),e.parent=this;this._children._insertNodes(e,n)}_removeChildren(e,t=1){const n=this._children._removeNodes(e,t);for(const e of n)e.parent=null;return n}static fromJSON(e){let t;if(e.children){t=[];for(const n of e.children)n.name?t.push(wa.fromJSON(n)):t.push(ba.fromJSON(n))}return new wa(e.name,e.attributes,t)}}wa.prototype.is=function(e,t){return t?t===this.name&&("element"===e||"model:element"===e):"element"===e||"model:element"===e||"node"===e||"model:node"===e};class _a{constructor(e){if(!e||!e.boundaries&&!e.startPosition)throw new p("model-tree-walker-no-start-position",null);const t=e.direction||"forward";if("forward"!=t&&"backward"!=t)throw new p("model-tree-walker-unknown-direction",e,{direction:t});this.direction=t,this.boundaries=e.boundaries||null,e.startPosition?this._position=e.startPosition.clone():this._position=ya._createAt(this.boundaries["backward"==this.direction?"end":"start"]),this.position.stickiness="toNone",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}get position(){return this._position}skip(e){let t,n,i,o;do{i=this.position,o=this._visitedParent,({done:t,value:n}=this.next())}while(!t&&e(n));t||(this._position=i,this._visitedParent=o)}next(){return"forward"==this.direction?this._next():this._previous()}_next(){const e=this.position,t=this.position.clone(),n=this._visitedParent;if(null===n.parent&&t.offset===n.maxOffset)return{done:!0,value:void 0};if(n===this._boundaryEndParent&&t.offset==this.boundaries.end.offset)return{done:!0,value:void 0};const i=xa(t,n),o=i||Aa(t,n,i);if(o instanceof wa){if(this.shallow){if(this.boundaries&&this.boundaries.end.isBefore(t))return{done:!0,value:void 0};t.offset++}else t.path.push(0),this._visitedParent=o;return this._position=t,va("elementStart",o,e,t,1)}if(o instanceof ba){let i;if(this.singleCharacters)i=1;else{let e=o.endOffset;this._boundaryEndParent==n&&this.boundaries.end.offset<e&&(e=this.boundaries.end.offset),i=e-t.offset}const r=t.offset-o.startOffset,s=new ka(o,r,i);return t.offset+=i,this._position=t,va("text",s,e,t,i)}return t.path.pop(),t.offset++,this._position=t,this._visitedParent=n.parent,this.ignoreElementEnd?this._next():va("elementEnd",n,e,t)}_previous(){const e=this.position,t=this.position.clone(),n=this._visitedParent;if(null===n.parent&&0===t.offset)return{done:!0,value:void 0};if(n==this._boundaryStartParent&&t.offset==this.boundaries.start.offset)return{done:!0,value:void 0};const i=t.parent,o=xa(t,i),r=o||Ca(t,i,o);if(r instanceof wa)return t.offset--,this.shallow?(this._position=t,va("elementStart",r,e,t,1)):(t.path.push(r.maxOffset),this._position=t,this._visitedParent=r,this.ignoreElementEnd?this._previous():va("elementEnd",r,e,t));if(r instanceof ba){let i;if(this.singleCharacters)i=1;else{let e=r.startOffset;this._boundaryStartParent==n&&this.boundaries.start.offset>e&&(e=this.boundaries.start.offset),i=t.offset-e}const o=t.offset-r.startOffset,s=new ka(r,o-i,i);return t.offset-=i,this._position=t,va("text",s,e,t,i)}return t.path.pop(),this._position=t,this._visitedParent=n.parent,va("elementStart",n,e,t,1)}}function va(e,t,n,i,o){return{done:!1,value:{type:e,item:t,previousPosition:n,nextPosition:i,length:o}}}class ya extends ga{constructor(e,t,n="toNone"){if(super(),!e.is("element")&&!e.is("documentFragment"))throw new p("model-position-root-invalid",e);if(!(t instanceof Array)||0===t.length)throw new p("model-position-path-incorrect-format",e,{path:t});e.is("rootElement")?t=t.slice():(t=[...e.getPath(),...t],e=e.root),this.root=e,this.path=t,this.stickiness=n}get offset(){return this.path[this.path.length-1]}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++)if(e=e.getChild(e.offsetToIndex(this.path[t])),!e)throw new p("model-position-path-incorrect",this,{position:this});if(e.is("$text"))throw new p("model-position-path-incorrect",this,{position:this});return e}get index(){return this.parent.offsetToIndex(this.offset)}get textNode(){return xa(this,this.parent)}get nodeAfter(){const e=this.parent;return Aa(this,e,xa(this,e))}get nodeBefore(){const e=this.parent;return Ca(this,e,xa(this,e))}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=Z(this.path,e.path);switch(t){case"same":return"same";case"prefix":return"before";case"extension":return"after";default:return this.path[t]<e.path[t]?"before":"after"}}getLastMatchingPosition(e,t={}){t.startPosition=this;const n=new _a(t);return n.skip(e),n.position}getParentPath(){return this.path.slice(0,-1)}getAncestors(){const e=this.parent;return e.is("documentFragment")?[e]:e.getAncestors({includeSelf:!0})}findAncestor(e){const t=this.parent;return t.is("element")?t.findAncestor(e,{includeSelf:!0}):null}getCommonPath(e){if(this.root!=e.root)return[];const t=Z(this.path,e.path),n="string"==typeof t?Math.min(this.path.length,e.path.length):t;return this.path.slice(0,n)}getCommonAncestor(e){const t=this.getAncestors(),n=e.getAncestors();let i=0;for(;t[i]==n[i]&&t[i];)i++;return 0===i?null:t[i-1]}getShiftedBy(e){const t=this.clone(),n=t.offset+e;return t.offset=n<0?0:n,t}isAfter(e){return"after"==this.compareWith(e)}isBefore(e){return"before"==this.compareWith(e)}isEqual(e){return"same"==this.compareWith(e)}isTouching(e){if(this.root!==e.root)return!1;const t=Math.min(this.path.length,e.path.length);for(let n=0;n<t;n++){const t=this.path[n]-e.path[n];if(t<-1||t>1)return!1;if(1===t)return Ea(e,this,n);if(-1===t)return Ea(this,e,n)}return this.path.length===e.path.length||(this.path.length>e.path.length?Ta(this.path,t):Ta(e.path,t))}hasSameParentAs(e){return this.root===e.root&&"same"==Z(this.getParentPath(),e.getParentPath())}getTransformedByOperation(e){let t;switch(e.type){case"insert":t=this._getTransformedByInsertOperation(e);break;case"move":case"remove":case"reinsert":t=this._getTransformedByMoveOperation(e);break;case"split":t=this._getTransformedBySplitOperation(e);break;case"merge":t=this._getTransformedByMergeOperation(e);break;default:t=ya._createAt(this)}return t}_getTransformedByInsertOperation(e){return this._getTransformedByInsertion(e.position,e.howMany)}_getTransformedByMoveOperation(e){return this._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany)}_getTransformedBySplitOperation(e){const t=e.movedRange;return t.containsPosition(this)||t.start.isEqual(this)&&"toNext"==this.stickiness?this._getCombined(e.splitPosition,e.moveTargetPosition):e.graveyardPosition?this._getTransformedByMove(e.graveyardPosition,e.insertionPosition,1):this._getTransformedByInsertion(e.insertionPosition,1)}_getTransformedByMergeOperation(e){const t=e.movedRange;let n;return t.containsPosition(this)||t.start.isEqual(this)?(n=this._getCombined(e.sourcePosition,e.targetPosition),e.sourcePosition.isBefore(e.targetPosition)&&(n=n._getTransformedByDeletion(e.deletionPosition,1))):n=this.isEqual(e.deletionPosition)?ya._createAt(e.deletionPosition):this._getTransformedByMove(e.deletionPosition,e.graveyardPosition,1),n}_getTransformedByDeletion(e,t){const n=ya._createAt(this);if(this.root!=e.root)return n;if("same"==Z(e.getParentPath(),this.getParentPath())){if(e.offset<this.offset){if(e.offset+t>this.offset)return null;n.offset-=t}}else if("prefix"==Z(e.getParentPath(),this.getParentPath())){const i=e.path.length-1;if(e.offset<=this.path[i]){if(e.offset+t>this.path[i])return null;n.path[i]-=t}}return n}_getTransformedByInsertion(e,t){const n=ya._createAt(this);if(this.root!=e.root)return n;if("same"==Z(e.getParentPath(),this.getParentPath()))(e.offset<this.offset||e.offset==this.offset&&"toPrevious"!=this.stickiness)&&(n.offset+=t);else if("prefix"==Z(e.getParentPath(),this.getParentPath())){const i=e.path.length-1;e.offset<=this.path[i]&&(n.path[i]+=t)}return n}_getTransformedByMove(e,t,n){if(t=t._getTransformedByDeletion(e,n),e.isEqual(t))return ya._createAt(this);const i=this._getTransformedByDeletion(e,n);return null===i||e.isEqual(this)&&"toNext"==this.stickiness||e.getShiftedBy(n).isEqual(this)&&"toPrevious"==this.stickiness?this._getCombined(e,t):i._getTransformedByInsertion(t,n)}_getCombined(e,t){const n=e.path.length-1,i=ya._createAt(t);return i.stickiness=this.stickiness,i.offset=i.offset+this.path[n]-e.offset,i.path=[...i.path,...this.path.slice(n+1)],i}toJSON(){return{root:this.root.toJSON(),path:Array.from(this.path),stickiness:this.stickiness}}clone(){return new this.constructor(this.root,this.path,this.stickiness)}static _createAt(e,t,n="toNone"){if(e instanceof ya)return new ya(e.root,e.path,e.stickiness);{const i=e;if("end"==t)t=i.maxOffset;else{if("before"==t)return this._createBefore(i,n);if("after"==t)return this._createAfter(i,n);if(0!==t&&!t)throw new p("model-createpositionat-offset-required",[this,e])}if(!i.is("element")&&!i.is("documentFragment"))throw new p("model-position-parent-incorrect",[this,e]);const o=i.getPath();return o.push(t),new this(i.root,o,n)}}static _createAfter(e,t){if(!e.parent)throw new p("model-position-after-root",[this,e],{root:e});return this._createAt(e.parent,e.endOffset,t)}static _createBefore(e,t){if(!e.parent)throw new p("model-position-before-root",e,{root:e});return this._createAt(e.parent,e.startOffset,t)}static fromJSON(e,t){if("$graveyard"===e.root){const n=new ya(t.graveyard,e.path);return n.stickiness=e.stickiness,n}if(!t.getRoot(e.root))throw new p("model-position-fromjson-no-root",t,{rootName:e.root});return new ya(t.getRoot(e.root),e.path,e.stickiness)}}function xa(e,t){const n=t.getChild(t.offsetToIndex(e.offset));return n&&n.is("$text")&&n.startOffset<e.offset?n:null}function Aa(e,t,n){return null!==n?null:t.getChild(t.offsetToIndex(e.offset))}function Ca(e,t,n){return null!==n?null:t.getChild(t.offsetToIndex(e.offset)-1)}function Ea(e,t,n){return n+1!==e.path.length&&!!Ta(t.path,n+1)&&!!function(e,t){let n=e.parent,i=e.path.length-1,o=0;for(;i>=t;){if(e.path[i]+o!==n.maxOffset)return!1;o=1,i--,n=n.parent}return!0}(e,n+1)}function Ta(e,t){for(;t<e.length;){if(0!==e[t])return!1;t++}return!0}ya.prototype.is=function(e){return"position"===e||"model:position"===e};class Pa extends ga{constructor(e,t){super(),this.start=ya._createAt(e),this.end=t?ya._createAt(t):ya._createAt(e),this.start.stickiness=this.isCollapsed?"toNone":"toNext",this.end.stickiness=this.isCollapsed?"toNone":"toPrevious"}*[Symbol.iterator](){yield*new _a({boundaries:this,ignoreElementEnd:!0})}get isCollapsed(){return this.start.isEqual(this.end)}get isFlat(){return"same"==Z(this.start.getParentPath(),this.end.getParentPath())}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 n=this.containsPosition(e.start)||t&&this.start.isEqual(e.start),i=this.containsPosition(e.end)||t&&this.end.isEqual(e.end);return n&&i}containsItem(e){const t=ya._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 Pa(this.start,e.start)),this.containsPosition(e.end)&&t.push(new Pa(e.end,this.end))):t.push(new Pa(this.start,this.end)),t}getIntersection(e){if(this.isIntersecting(e)){let t=this.start,n=this.end;return this.containsPosition(e.start)&&(t=e.start),this.containsPosition(e.end)&&(n=e.end),new Pa(t,n)}return null}getJoined(e,t=!1){let n=this.isIntersecting(e);if(n||(n=this.start.isBefore(e.start)?t?this.end.isTouching(e.start):this.end.isEqual(e.start):t?e.end.isTouching(this.start):e.end.isEqual(this.start)),!n)return null;let i=this.start,o=this.end;return e.start.isBefore(i)&&(i=e.start),e.end.isAfter(o)&&(o=e.end),new Pa(i,o)}getMinimalFlatRanges(){const e=[],t=this.start.getCommonPath(this.end).length,n=ya._createAt(this.start);let i=n.parent;for(;n.path.length>t+1;){const t=i.maxOffset-n.offset;0!==t&&e.push(new Pa(n,n.getShiftedBy(t))),n.path=n.path.slice(0,-1),n.offset++,i=i.parent}for(;n.path.length<=this.end.path.length;){const t=this.end.path[n.path.length-1],i=t-n.offset;0!==i&&e.push(new Pa(n,n.getShiftedBy(i))),n.offset=t,n.path.push(0)}return e}getWalker(e={}){return e.boundaries=this,new _a(e)}*getItems(e={}){e.boundaries=this,e.ignoreElementEnd=!0;const t=new _a(e);for(const e of t)yield e.item}*getPositions(e={}){e.boundaries=this;const t=new _a(e);yield t.position;for(const e of t)yield e.nextPosition}getTransformedByOperation(e){switch(e.type){case"insert":return this._getTransformedByInsertOperation(e);case"move":case"remove":case"reinsert":return this._getTransformedByMoveOperation(e);case"split":return[this._getTransformedBySplitOperation(e)];case"merge":return[this._getTransformedByMergeOperation(e)]}return[new Pa(this.start,this.end)]}getTransformedByOperations(e){const t=[new Pa(this.start,this.end)];for(const n of e)for(let e=0;e<t.length;e++){const i=t[e].getTransformedByOperation(n);t.splice(e,1,...i),e+=i.length-1}for(let e=0;e<t.length;e++){const n=t[e];for(let i=e+1;i<t.length;i++){const e=t[i];(n.containsRange(e)||e.containsRange(n)||n.isEqual(e))&&t.splice(i,1)}}return t}getCommonAncestor(){return this.start.getCommonAncestor(this.end)}getContainedElement(){if(this.isCollapsed)return null;const e=this.start.nodeAfter,t=this.end.nodeBefore;return e&&e.is("element")&&e===t?e:null}toJSON(){return{start:this.start.toJSON(),end:this.end.toJSON()}}clone(){return new this.constructor(this.start,this.end)}_getTransformedByInsertOperation(e,t=!1){return this._getTransformedByInsertion(e.position,e.howMany,t)}_getTransformedByMoveOperation(e,t=!1){const n=e.sourcePosition,i=e.howMany,o=e.targetPosition;return this._getTransformedByMove(n,o,i,t)}_getTransformedBySplitOperation(e){const t=this.start._getTransformedBySplitOperation(e);let n=this.end._getTransformedBySplitOperation(e);return this.end.isEqual(e.insertionPosition)&&(n=this.end.getShiftedBy(1)),t.root!=n.root&&(n=this.end.getShiftedBy(-1)),new Pa(t,n)}_getTransformedByMergeOperation(e){if(this.start.isEqual(e.targetPosition)&&this.end.isEqual(e.deletionPosition))return new Pa(this.start);let t=this.start._getTransformedByMergeOperation(e),n=this.end._getTransformedByMergeOperation(e);return t.root!=n.root&&(n=this.end.getShiftedBy(-1)),t.isAfter(n)?(e.sourcePosition.isBefore(e.targetPosition)?(t=ya._createAt(n),t.offset=0):(e.deletionPosition.isEqual(t)||(n=e.deletionPosition),t=e.targetPosition),new Pa(t,n)):new Pa(t,n)}_getTransformedByInsertion(e,t,n=!1){if(n&&this.containsPosition(e))return[new Pa(this.start,e),new Pa(e.getShiftedBy(t),this.end._getTransformedByInsertion(e,t))];{const n=new Pa(this.start,this.end);return n.start=n.start._getTransformedByInsertion(e,t),n.end=n.end._getTransformedByInsertion(e,t),[n]}}_getTransformedByMove(e,t,n,i=!1){if(this.isCollapsed){const i=this.start._getTransformedByMove(e,t,n);return[new Pa(i)]}const o=Pa._createFromPositionAndShift(e,n),r=t._getTransformedByDeletion(e,n);if(this.containsPosition(t)&&!i&&(o.containsPosition(this.start)||o.containsPosition(this.end))){const i=this.start._getTransformedByMove(e,t,n),o=this.end._getTransformedByMove(e,t,n);return[new Pa(i,o)]}let s;const a=this.getDifference(o);let c=null;const l=this.getIntersection(o);if(1==a.length?c=new Pa(a[0].start._getTransformedByDeletion(e,n),a[0].end._getTransformedByDeletion(e,n)):2==a.length&&(c=new Pa(this.start,this.end._getTransformedByDeletion(e,n))),s=c?c._getTransformedByInsertion(r,n,null!==l||i):[],l){const e=new Pa(l.start._getCombined(o.start,r),l.end._getCombined(o.start,r));2==s.length?s.splice(1,0,e):s.push(e)}return s}_getTransformedByDeletion(e,t){let n=this.start._getTransformedByDeletion(e,t),i=this.end._getTransformedByDeletion(e,t);return null==n&&null==i?null:(null==n&&(n=e),null==i&&(i=e),new Pa(n,i))}static _createFromPositionAndShift(e,t){const n=e,i=e.getShiftedBy(t);return t>0?new this(n,i):new this(i,n)}static _createIn(e){return new this(ya._createAt(e,0),ya._createAt(e,e.maxOffset))}static _createOn(e){return this._createFromPositionAndShift(ya._createBefore(e),e.offsetSize)}static _createFromRanges(e){if(0===e.length)throw new p("range-create-from-ranges-empty-array",null);if(1==e.length)return e[0].clone();const t=e[0];e.sort((e,t)=>e.start.isAfter(t.start)?1:-1);const n=e.indexOf(t),i=new this(t.start,t.end);if(n>0)for(let t=n-1;e[t].end.isEqual(i.start);t++)i.start=ya._createAt(e[t].start);for(let t=n+1;t<e.length&&e[t].start.isEqual(i.end);t++)i.end=ya._createAt(e[t].end);return i}static fromJSON(e,t){return new this(ya.fromJSON(e.start,t),ya.fromJSON(e.end,t))}}Pa.prototype.is=function(e){return"range"===e||"model:range"===e};class Sa extends(x()){constructor(){super(),this._modelToViewMapping=new WeakMap,this._viewToModelMapping=new WeakMap,this._viewToModelLengthCallbacks=new Map,this._markerNameToElements=new Map,this._elementToMarkerNames=new Map,this._deferredBindingRemovals=new Map,this._unboundMarkerNames=new Set,this.on("modelToViewPosition",(e,t)=>{if(t.viewPosition)return;const n=this._modelToViewMapping.get(t.modelPosition.parent);if(!n)throw new p("mapping-model-position-view-parent-not-found",this,{modelPosition:t.modelPosition});t.viewPosition=this.findPositionIn(n,t.modelPosition.offset)},{priority:"low"}),this.on("viewToModelPosition",(e,t)=>{if(t.modelPosition)return;const n=this.findMappedViewAncestor(t.viewPosition),i=this._viewToModelMapping.get(n),o=this._toModelOffset(t.viewPosition.parent,t.viewPosition.offset,n);t.modelPosition=ya._createAt(i,o)},{priority:"low"})}bindElements(e,t){this._modelToViewMapping.set(e,t),this._viewToModelMapping.set(t,e)}unbindViewElement(e,t={}){const n=this.toModelElement(e);if(this._elementToMarkerNames.has(e))for(const t of this._elementToMarkerNames.get(e))this._unboundMarkerNames.add(t);t.defer?this._deferredBindingRemovals.set(e,e.root):(this._viewToModelMapping.delete(e),this._modelToViewMapping.get(n)==e&&this._modelToViewMapping.delete(n))}unbindModelElement(e){const t=this.toViewElement(e);this._modelToViewMapping.delete(e),this._viewToModelMapping.get(t)==e&&this._viewToModelMapping.delete(t)}bindElementToMarker(e,t){const n=this._markerNameToElements.get(t)||new Set;n.add(e);const i=this._elementToMarkerNames.get(e)||new Set;i.add(t),this._markerNameToElements.set(t,n),this._elementToMarkerNames.set(e,i)}unbindElementFromMarkerName(e,t){const n=this._markerNameToElements.get(t);n&&(n.delete(e),0==n.size&&this._markerNameToElements.delete(t));const i=this._elementToMarkerNames.get(e);i&&(i.delete(t),0==i.size&&this._elementToMarkerNames.delete(e))}flushUnboundMarkerNames(){const e=Array.from(this._unboundMarkerNames);return this._unboundMarkerNames.clear(),e}flushDeferredBindings(){for(const[e,t]of this._deferredBindingRemovals)e.root==t&&this.unbindViewElement(e);this._deferredBindingRemovals=new Map}clearBindings(){this._modelToViewMapping=new WeakMap,this._viewToModelMapping=new WeakMap,this._markerNameToElements=new Map,this._elementToMarkerNames=new Map,this._unboundMarkerNames=new Set,this._deferredBindingRemovals=new Map}toModelElement(e){return this._viewToModelMapping.get(e)}toViewElement(e){return this._modelToViewMapping.get(e)}toModelRange(e){return new Pa(this.toModelPosition(e.start),this.toModelPosition(e.end))}toViewRange(e){return new pr(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,t={}){const n={modelPosition:e,mapper:this,isPhantom:t.isPhantom};return this.fire("modelToViewPosition",n),n.viewPosition}markerNameToElements(e){const t=this._markerNameToElements.get(e);if(!t)return null;const n=new Set;for(const e of t)if(e.is("attributeElement"))for(const t of e.getElementsWithSameId())n.add(t);else n.add(e);return n}registerViewToModelLength(e,t){this._viewToModelLengthCallbacks.set(e,t)}findMappedViewAncestor(e){let t=e.parent;for(;!this._viewToModelMapping.has(t);)t=t.parent;return t}_toModelOffset(e,t,n){if(n!=e)return this._toModelOffset(e.parent,e.index,n)+this._toModelOffset(e,t,e);if(e.is("$text"))return t;let i=0;for(let n=0;n<t;n++)i+=this.getModelLength(e.getChild(n));return i}getModelLength(e){if(this._viewToModelLengthCallbacks.get(e.name))return this._viewToModelLengthCallbacks.get(e.name)(e);if(this._viewToModelMapping.has(e))return 1;if(e.is("$text"))return e.data.length;if(e.is("uiElement"))return 0;{let t=0;for(const n of e.getChildren())t+=this.getModelLength(n);return t}}findPositionIn(e,t){let n,i=0,o=0,r=0;if(e.is("$text"))return new gr(e,t);for(;o<t;)n=e.getChild(r),i=this.getModelLength(n),o+=i,r++;return o==t?this._moveViewPositionToTextNode(new gr(e,r)):this.findPositionIn(n,t-(o-i))}_moveViewPositionToTextNode(e){const t=e.nodeBefore,n=e.nodeAfter;return t instanceof Po?new gr(t,t.data.length):n instanceof Po?new gr(n,0):e}}class Ra{constructor(){this._consumable=new Map,this._textProxyRegistry=new Map}add(e,t){t=Ia(t),e instanceof ka&&(e=this._getSymbolForTextProxy(e)),this._consumable.has(e)||this._consumable.set(e,new Map),this._consumable.get(e).set(t,!0)}consume(e,t){return t=Ia(t),e instanceof ka&&(e=this._getSymbolForTextProxy(e)),!!this.test(e,t)&&(this._consumable.get(e).set(t,!1),!0)}test(e,t){t=Ia(t),e instanceof ka&&(e=this._getSymbolForTextProxy(e));const n=this._consumable.get(e);if(void 0===n)return null;const i=n.get(t);return void 0===i?null:i}revert(e,t){t=Ia(t),e instanceof ka&&(e=this._getSymbolForTextProxy(e));const n=this.test(e,t);return!1===n?(this._consumable.get(e).set(t,!0),!0):!0!==n&&null}verifyAllConsumed(e){const t=[];for(const[n,i]of this._consumable)for(const[o,r]of i){const i=o.split(":")[0];r&&e==i&&t.push({event:o,item:n.name||n.description})}if(t.length)throw new p("conversion-model-consumable-not-consumed",null,{items:t})}_getSymbolForTextProxy(e){let t=null;const n=this._textProxyRegistry.get(e.startOffset);if(n){const i=n.get(e.endOffset);i&&(t=i.get(e.parent))}return t||(t=this._addSymbolForTextProxy(e)),t}_addSymbolForTextProxy(e){const t=e.startOffset,n=e.endOffset,i=e.parent,o=Symbol("$textProxy:"+e.data);let r,s;return r=this._textProxyRegistry.get(t),r||(r=new Map,this._textProxyRegistry.set(t,r)),s=r.get(n),s||(s=new Map,r.set(n,s)),s.set(i,o),o}}function Ia(e){const t=e.split(":");return"insert"==t[0]?t[0]:"addMarker"==t[0]||"removeMarker"==t[0]?e:t.length>1?t[0]+":"+t[1]:t[0]}class Oa extends(x()){constructor(e){super(),this._conversionApi={dispatcher:this,...e},this._firedEventsMap=new WeakMap}convertChanges(e,t,n){const i=this._createConversionApi(n,e.getRefreshedItems());for(const t of e.getMarkersToRemove())this._convertMarkerRemove(t.name,t.range,i);const o=this._reduceChanges(e.getChanges());for(const e of o)"insert"===e.type?this._convertInsert(Pa._createFromPositionAndShift(e.position,e.length),i):"reinsert"===e.type?this._convertReinsert(Pa._createFromPositionAndShift(e.position,e.length),i):"remove"===e.type?this._convertRemove(e.position,e.length,e.name,i):this._convertAttribute(e.range,e.attributeKey,e.attributeOldValue,e.attributeNewValue,i);i.mapper.flushDeferredBindings();for(const e of i.mapper.flushUnboundMarkerNames()){const n=t.get(e).getRange();this._convertMarkerRemove(e,n,i),this._convertMarkerAdd(e,n,i)}for(const t of e.getMarkersToAdd())this._convertMarkerAdd(t.name,t.range,i);i.consumable.verifyAllConsumed("insert")}convert(e,t,n,i={}){const o=this._createConversionApi(n,void 0,i);this._convertInsert(e,o);for(const[e,n]of t)this._convertMarkerAdd(e,n,o);o.consumable.verifyAllConsumed("insert")}convertSelection(e,t,n){const i=this._createConversionApi(n);this.fire("cleanSelection",{selection:e},i);const o=e.getFirstPosition().root;if(!i.mapper.toViewElement(o))return;const r=Array.from(t.getMarkersAtPosition(e.getFirstPosition()));if(this._addConsumablesForSelection(i.consumable,e,r),this.fire("selection",{selection:e},i),e.isCollapsed){for(const t of r)if(i.consumable.test(e,"addMarker:"+t.name)){const n=t.getRange();if(!Ma(e.getFirstPosition(),t,i.mapper))continue;const o={item:e,markerName:t.name,markerRange:n};this.fire(`addMarker:${t.name}`,o,i)}for(const t of e.getAttributeKeys())if(i.consumable.test(e,"attribute:"+t)){const n={item:e,range:e.getFirstRange(),attributeKey:t,attributeOldValue:null,attributeNewValue:e.getAttribute(t)};this.fire(`attribute:${t}:$text`,n,i)}}}_convertInsert(e,t,n={}){n.doNotAddConsumables||this._addConsumablesForInsert(t.consumable,e);for(const n of Array.from(e.getWalker({shallow:!0})).map(Va))this._testAndFire("insert",n,t)}_convertRemove(e,t,n,i){this.fire(`remove:${n}`,{position:e,length:t},i)}_convertAttribute(e,t,n,i,o){this._addConsumablesForRange(o.consumable,e,`attribute:${t}`);for(const r of e){const e={item:r.item,range:Pa._createFromPositionAndShift(r.previousPosition,r.length),attributeKey:t,attributeOldValue:n,attributeNewValue:i};this._testAndFire(`attribute:${t}`,e,o)}}_convertReinsert(e,t){const n=Array.from(e.getWalker({shallow:!0}));this._addConsumablesForInsert(t.consumable,n);for(const e of n.map(Va))this._testAndFire("insert",{...e,reconversion:!0},t)}_convertMarkerAdd(e,t,n){if("$graveyard"==t.root.rootName)return;const i=`addMarker:${e}`;if(n.consumable.add(t,i),this.fire(i,{markerName:e,markerRange:t},n),n.consumable.consume(t,i)){this._addConsumablesForRange(n.consumable,t,i);for(const o of t.getItems()){if(!n.consumable.test(o,i))continue;const r={item:o,range:Pa._createOn(o),markerName:e,markerRange:t};this.fire(i,r,n)}}}_convertMarkerRemove(e,t,n){"$graveyard"!=t.root.rootName&&this.fire(`removeMarker:${e}`,{markerName:e,markerRange:t},n)}_reduceChanges(e){const t={changes:e};return this.fire("reduceChanges",t),t.changes}_addConsumablesForInsert(e,t){for(const n of t){const t=n.item;if(null===e.test(t,"insert")){e.add(t,"insert");for(const n of t.getAttributeKeys())e.add(t,"attribute:"+n)}}return e}_addConsumablesForRange(e,t,n){for(const i of t.getItems())e.add(i,n);return e}_addConsumablesForSelection(e,t,n){e.add(t,"selection");for(const i of n)e.add(t,"addMarker:"+i.name);for(const n of t.getAttributeKeys())e.add(t,"attribute:"+n);return e}_testAndFire(e,t,n){const i=function(e,t){return`${e}:${t.item.is("element")?t.item.name:"$text"}`}(e,t),o=t.item.is("$textProxy")?n.consumable._getSymbolForTextProxy(t.item):t.item,r=this._firedEventsMap.get(n),s=r.get(o);if(s){if(s.has(i))return;s.add(i)}else r.set(o,new Set([i]));this.fire(i,t,n)}_testAndFireAddAttributes(e,t){const n={item:e,range:Pa._createOn(e)};for(const e of n.item.getAttributeKeys())n.attributeKey=e,n.attributeOldValue=null,n.attributeNewValue=n.item.getAttribute(e),this._testAndFire(`attribute:${e}`,n,t)}_createConversionApi(e,t=new Set,n={}){const i={...this._conversionApi,consumable:new Ra,writer:e,options:n,convertItem:e=>this._convertInsert(Pa._createOn(e),i),convertChildren:e=>this._convertInsert(Pa._createIn(e),i,{doNotAddConsumables:!0}),convertAttributes:e=>this._testAndFireAddAttributes(e,i),canReuseView:e=>!t.has(i.mapper.toModelElement(e))};return this._firedEventsMap.set(i,new Map),i}}function Ma(e,t,n){const i=t.getRange(),o=Array.from(e.getAncestors());return o.shift(),o.reverse(),!o.some(e=>{if(i.containsItem(e))return!!n.toViewElement(e).getCustomProperty("addHighlight")})}function Va(e){return{item:e.item,range:Pa._createFromPositionAndShift(e.previousPosition,e.length)}}class Na extends(x(ga)){constructor(...e){super(),this._lastRangeBackward=!1,this._attrs=new Map,this._ranges=[],e.length&&this.setTo(...e)}get anchor(){if(this._ranges.length>0){const e=this._ranges[this._ranges.length-1];return this._lastRangeBackward?e.end:e.start}return null}get focus(){if(this._ranges.length>0){const e=this._ranges[this._ranges.length-1];return this._lastRangeBackward?e.start:e.end}return null}get isCollapsed(){return 1===this._ranges.length&&this._ranges[0].isCollapsed}get rangeCount(){return this._ranges.length}get isBackward(){return!this.isCollapsed&&this._lastRangeBackward}isEqual(e){if(this.rangeCount!=e.rangeCount)return!1;if(0===this.rangeCount)return!0;if(!this.anchor.isEqual(e.anchor)||!this.focus.isEqual(e.focus))return!1;for(const t of this._ranges){let n=!1;for(const i of e._ranges)if(t.isEqual(i)){n=!0;break}if(!n)return!1}return!0}*getRanges(){for(const e of this._ranges)yield new Pa(e.start,e.end)}getFirstRange(){let e=null;for(const t of this._ranges)e&&!t.start.isBefore(e.start)||(e=t);return e?new Pa(e.start,e.end):null}getLastRange(){let e=null;for(const t of this._ranges)e&&!t.end.isAfter(e.end)||(e=t);return e?new Pa(e.start,e.end):null}getFirstPosition(){const e=this.getFirstRange();return e?e.start.clone():null}getLastPosition(){const e=this.getLastRange();return e?e.end.clone():null}setTo(...e){let[t,n,i]=e;if("object"==typeof n&&(i=n,n=void 0),null===t)this._setRanges([]);else if(t instanceof Na)this._setRanges(t.getRanges(),t.isBackward);else if(t&&"function"==typeof t.getRanges)this._setRanges(t.getRanges(),t.isBackward);else if(t instanceof Pa)this._setRanges([t],!!i&&!!i.backward);else if(t instanceof ya)this._setRanges([new Pa(t)]);else if(t instanceof pa){const e=!!i&&!!i.backward;let o;if("in"==n)o=Pa._createIn(t);else if("on"==n)o=Pa._createOn(t);else{if(void 0===n)throw new p("model-selection-setto-required-second-parameter",[this,t]);o=new Pa(ya._createAt(t,n))}this._setRanges([o],e)}else{if(!K(t))throw new p("model-selection-setto-not-selectable",[this,t]);this._setRanges(t,i&&!!i.backward)}}_setRanges(e,t=!1){const n=Array.from(e),i=n.some(t=>{if(!(t instanceof Pa))throw new p("model-selection-set-ranges-not-range",[this,e]);return this._ranges.every(e=>!e.isEqual(t))});(n.length!==this._ranges.length||i)&&(this._replaceAllRanges(n),this._lastRangeBackward=!!t,this.fire("change:range",{directChange:!0}))}setFocus(e,t){if(null===this.anchor)throw new p("model-selection-setfocus-no-ranges",[this,e]);const n=ya._createAt(e,t);if("same"==n.compareWith(this.focus))return;const i=this.anchor;this._ranges.length&&this._popRange(),"before"==n.compareWith(i)?(this._pushRange(new Pa(n,i)),this._lastRangeBackward=!0):(this._pushRange(new Pa(i,n)),this._lastRangeBackward=!1),this.fire("change:range",{directChange:!0})}getAttribute(e){return this._attrs.get(e)}getAttributes(){return this._attrs.entries()}getAttributeKeys(){return this._attrs.keys()}hasAttribute(e){return this._attrs.has(e)}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}))}getSelectedElement(){return 1!==this.rangeCount?null:this.getFirstRange().getContainedElement()}*getSelectedBlocks(){const e=new WeakSet;for(const t of this.getRanges()){const n=La(t.start,e);za(n,t)&&(yield n);for(const n of t.getWalker()){const i=n.item;"elementEnd"==n.type&&Ba(i,e,t)&&(yield i)}const i=La(t.end,e);$a(i,t)&&(yield i)}}containsEntireContent(e=this.anchor.root){const t=ya._createAt(e,0),n=ya._createAt(e,"end");return t.isTouching(this.getFirstPosition())&&n.isTouching(this.getLastPosition())}_pushRange(e){this._checkRange(e),this._ranges.push(new Pa(e.start,e.end))}_checkRange(e){for(let t=0;t<this._ranges.length;t++)if(e.isIntersecting(this._ranges[t]))throw new p("model-selection-range-intersects",[this,e],{addedRange:e,intersectingRange:this._ranges[t]})}_replaceAllRanges(e){this._removeAllRanges();for(const t of e)this._pushRange(t)}_removeAllRanges(){for(;this._ranges.length>0;)this._popRange()}_popRange(){this._ranges.pop()}}function Da(e,t){return!t.has(e)&&(t.add(e),e.root.document.model.schema.isBlock(e)&&!!e.parent)}function Ba(e,t,n){return Da(e,t)&&Fa(e,n)}function La(e,t){const n=e.parent.root.document.model.schema,i=e.parent.getAncestors({parentFirst:!0,includeSelf:!0});let o=!1;const r=i.find(e=>!o&&(o=n.isLimit(e),!o&&Da(e,t)));return i.forEach(e=>t.add(e)),r}function Fa(e,t){const n=function(e){const t=e.root.document.model.schema;let n=e.parent;for(;n;){if(t.isBlock(n))return n;n=n.parent}}(e);return!n||!t.containsRange(Pa._createOn(n),!0)}function za(e,t){return!!e&&(!(!t.isCollapsed&&!e.isEmpty)||!t.start.isTouching(ya._createAt(e,e.maxOffset))&&Fa(e,t))}function $a(e,t){return!!e&&(!(!t.isCollapsed&&!e.isEmpty)||!t.end.isTouching(ya._createAt(e,0))&&Fa(e,t))}Na.prototype.is=function(e){return"selection"===e||"model:selection"===e};class Ha extends(x(Pa)){constructor(e,t){super(e,t),ja.call(this)}detach(){this.stopListening()}toRange(){return new Pa(this.start,this.end)}static fromRange(e){return new Ha(e.start,e.end)}}function ja(){this.listenTo(this.root.document.model,"applyOperation",(e,t)=>{const n=t[0];n.isDocumentOperation&&qa.call(this,n)},{priority:"low"})}function qa(e){const t=this.getTransformedByOperation(e),n=Pa._createFromRanges(t),i=!n.isEqual(this),o=function(e,t){switch(t.type){case"insert":return e.containsPosition(t.position);case"move":case"remove":case"reinsert":case"merge":return e.containsPosition(t.sourcePosition)||e.start.isEqual(t.sourcePosition)||e.containsPosition(t.targetPosition);case"split":return e.containsPosition(t.splitPosition)||e.containsPosition(t.insertionPosition)}return!1}(this,e);let r=null;if(i){"$graveyard"==n.root.rootName&&(r="remove"==e.type?e.sourcePosition:e.deletionPosition);const t=this.toRange();this.start=n.start,this.end=n.end,this.fire("change:range",t,{deletionPosition:r})}else o&&this.fire("change:content",this.toRange(),{deletionPosition:r})}Ha.prototype.is=function(e){return"liveRange"===e||"model:liveRange"===e||"range"==e||"model:range"===e};const Wa="selection:";class Ua extends(x(ga)){constructor(e){super(),this._selection=new Za(e),this._selection.delegate("change:range").to(this),this._selection.delegate("change:attribute").to(this),this._selection.delegate("change:marker").to(this)}get isCollapsed(){return this._selection.isCollapsed}get anchor(){return this._selection.anchor}get focus(){return this._selection.focus}get rangeCount(){return this._selection.rangeCount}get hasOwnRange(){return this._selection.hasOwnRange}get isBackward(){return this._selection.isBackward}get isGravityOverridden(){return this._selection.isGravityOverridden}get markers(){return this._selection.markers}get _ranges(){return this._selection._ranges}getRanges(){return this._selection.getRanges()}getFirstPosition(){return this._selection.getFirstPosition()}getLastPosition(){return this._selection.getLastPosition()}getFirstRange(){return this._selection.getFirstRange()}getLastRange(){return this._selection.getLastRange()}getSelectedBlocks(){return this._selection.getSelectedBlocks()}getSelectedElement(){return this._selection.getSelectedElement()}containsEntireContent(e){return this._selection.containsEntireContent(e)}destroy(){this._selection.destroy()}getAttributeKeys(){return this._selection.getAttributeKeys()}getAttributes(){return this._selection.getAttributes()}getAttribute(e){return this._selection.getAttribute(e)}hasAttribute(e){return this._selection.hasAttribute(e)}refresh(){this._selection.updateMarkers(),this._selection._updateAttributes(!1)}observeMarkers(e){this._selection.observeMarkers(e)}_setFocus(e,t){this._selection.setFocus(e,t)}_setTo(...e){this._selection.setTo(...e)}_setAttribute(e,t){this._selection.setAttribute(e,t)}_removeAttribute(e){this._selection.removeAttribute(e)}_getStoredAttributes(){return this._selection.getStoredAttributes()}_overrideGravity(){return this._selection.overrideGravity()}_restoreGravity(e){this._selection.restoreGravity(e)}static _getStoreAttributeKey(e){return Wa+e}static _isStoreAttributeKey(e){return e.startsWith(Wa)}}Ua.prototype.is=function(e){return"selection"===e||"model:selection"==e||"documentSelection"==e||"model:documentSelection"==e};class Za extends Na{constructor(e){super(),this.markers=new qi({idProperty:"name"}),this._attributePriority=new Map,this._selectionRestorePosition=null,this._hasChangedRange=!1,this._overriddenGravityRegister=new Set,this._observedMarkers=new Set,this._model=e.model,this._document=e,this.listenTo(this._model,"applyOperation",(e,t)=>{const n=t[0];n.isDocumentOperation&&"marker"!=n.type&&"rename"!=n.type&&"noop"!=n.type&&(0==this._ranges.length&&this._selectionRestorePosition&&this._fixGraveyardSelection(this._selectionRestorePosition),this._selectionRestorePosition=null,this._hasChangedRange&&(this._hasChangedRange=!1,this.fire("change:range",{directChange:!1})))},{priority:"lowest"}),this.on("change:range",()=>{this._validateSelectionRanges(this.getRanges())}),this.listenTo(this._model.markers,"update",(e,t,n,i)=>{this._updateMarker(t,i)}),this.listenTo(this._document,"change",(e,t)=>{!function(e,t){const n=e.document.differ;for(const i of n.getChanges()){if("insert"!=i.type)continue;const n=i.position.parent;i.length===n.maxOffset&&e.enqueueChange(t,e=>{const t=Array.from(n.getAttributeKeys()).filter(e=>e.startsWith(Wa));for(const i of t)e.removeAttribute(i,n)})}}(this._model,t)})}get isCollapsed(){return 0===this._ranges.length?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 this._ranges.length>0}get isGravityOverridden(){return!!this._overriddenGravityRegister.size}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()}setTo(...e){super.setTo(...e),this._updateAttributes(!0),this.updateMarkers()}setFocus(e,t){super.setFocus(e,t),this._updateAttributes(!0),this.updateMarkers()}setAttribute(e,t){if(this._setAttribute(e,t)){const t=[e];this.fire("change:attribute",{attributeKeys:t,directChange:!0})}}removeAttribute(e){if(this._removeAttribute(e)){const t=[e];this.fire("change:attribute",{attributeKeys:t,directChange:!0})}}overrideGravity(){const e=u();return this._overriddenGravityRegister.add(e),1===this._overriddenGravityRegister.size&&this._updateAttributes(!0),e}restoreGravity(e){if(!this._overriddenGravityRegister.has(e))throw new p("document-selection-gravity-wrong-restore",this,{uid:e});this._overriddenGravityRegister.delete(e),this.isGravityOverridden||this._updateAttributes(!0)}observeMarkers(e){this._observedMarkers.add(e),this.updateMarkers()}_replaceAllRanges(e){this._validateSelectionRanges(e),super._replaceAllRanges(e)}_popRange(){this._ranges.pop().detach()}_pushRange(e){const t=this._prepareRange(e);t&&this._ranges.push(t)}_validateSelectionRanges(e){for(const t of e)if(!this._document._validateSelectionRange(t))throw new p("document-selection-wrong-position",this,{range:t})}_prepareRange(e){if(this._checkRange(e),e.root==this._document.graveyard)return;const t=Ha.fromRange(e);return t.on("change:range",(e,n,i)=>{if(this._hasChangedRange=!0,t.root==this._document.graveyard){this._selectionRestorePosition=i.deletionPosition;const e=this._ranges.indexOf(t);this._ranges.splice(e,1),t.detach()}}),t}updateMarkers(){if(!this._observedMarkers.size)return;const e=[];let t=!1;for(const t of this._model.markers){const n=t.name.split(":",1)[0];if(!this._observedMarkers.has(n))continue;const i=t.getRange();for(const n of this.getRanges())i.containsRange(n,!n.isCollapsed)&&e.push(t)}const n=Array.from(this.markers);for(const n of e)this.markers.has(n)||(this.markers.add(n),t=!0);for(const n of Array.from(this.markers))e.includes(n)||(this.markers.remove(n),t=!0);t&&this.fire("change:marker",{oldMarkers:n,directChange:!1})}_updateMarker(e,t){const n=e.name.split(":",1)[0];if(!this._observedMarkers.has(n))return;let i=!1;const o=Array.from(this.markers),r=this.markers.has(e);if(t){let n=!1;for(const e of this.getRanges())if(t.containsRange(e,!e.isCollapsed)){n=!0;break}n&&!r?(this.markers.add(e),i=!0):!n&&r&&(this.markers.remove(e),i=!0)}else r&&(this.markers.remove(e),i=!0);i&&this.fire("change:marker",{oldMarkers:o,directChange:!1})}_updateAttributes(e){const t=Ki(this._getSurroundingAttributes()),n=Ki(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);const i=[];for(const[e,t]of this.getAttributes())n.has(e)&&n.get(e)===t||i.push(e);for(const[e]of n)this.hasAttribute(e)||i.push(e);i.length>0&&this.fire("change:attribute",{attributeKeys:i,directChange:!1})}_setAttribute(e,t,n=!0){const i=n?"normal":"low";return("low"!=i||"normal"!=this._attributePriority.get(e))&&(super.getAttribute(e)!==t&&(this._attrs.set(e,t),this._attributePriority.set(e,i),!0))}_removeAttribute(e,t=!0){const n=t?"normal":"low";return!("low"==n&&"normal"==this._attributePriority.get(e)||(this._attributePriority.set(e,n),!super.hasAttribute(e)||(this._attrs.delete(e),0)))}_setAttributesTo(e){const t=new Set;for(const[t,n]of this.getAttributes())e.get(t)!==n&&this._removeAttribute(t,!1);for(const[n,i]of e)this._setAttribute(n,i,!1)&&t.add(n);return t}*getStoredAttributes(){const e=this.getFirstPosition().parent;if(this.isCollapsed&&e.isEmpty)for(const t of e.getAttributeKeys())if(t.startsWith(Wa)){const n=t.substr(10);yield[n,e.getAttribute(t)]}}_getSurroundingAttributes(){const e=this.getFirstPosition(),t=this._model.schema;if("$graveyard"==e.root.rootName)return null;let n=null;if(this.isCollapsed){const i=e.textNode?e.textNode:e.nodeBefore,o=e.textNode?e.textNode:e.nodeAfter;if(this.isGravityOverridden||(n=Ka(i,t)),n||(n=Ka(o,t)),!this.isGravityOverridden&&!n){let e=i;for(;e&&!n;)e=e.previousSibling,n=Ka(e,t)}if(!n){let e=o;for(;e&&!n;)e=e.nextSibling,n=Ka(e,t)}n||(n=this.getStoredAttributes())}else{const e=this.getFirstRange();for(const i of e){if(i.item.is("element")&&t.isObject(i.item)){n=Ka(i.item,t);break}if("text"==i.type){n=i.item.getAttributes();break}}}return n}_fixGraveyardSelection(e){const t=this._model.schema.getNearestSelectionRange(e);t&&this._pushRange(t)}}function Ka(e,t){if(!e)return null;if(e instanceof ka||e instanceof ba)return e.getAttributes();if(!t.isInline(e))return null;if(!t.isObject(e))return[];const n=[];for(const[i,o]of e.getAttributes())t.checkAttribute("$text",i)&&!1!==t.getAttributeProperties(i).copyFromObject&&n.push([i,o]);return n}class Ga{constructor(e){this._dispatchers=e}add(e){for(const t of this._dispatchers)e(t);return this}}class Ja extends Ga{elementToElement(e){return this.add(function(e){const t=Xa(e.model),n=ec(e.view,"container");return t.attributes.length&&(t.children=!0),i=>{i.on(`insert:${t.name}`,function(e,t=cc){return(n,i,o)=>{if(!t(i.item,o.consumable,{preflight:!0}))return;const r=e(i.item,o,i);if(!r)return;t(i.item,o.consumable);const s=o.mapper.toViewPosition(i.range.start);o.mapper.bindElements(i.item,r),o.writer.insert(s,r),o.convertAttributes(i.item),sc(r,i.item.getChildren(),o,{reconversion:i.reconversion})}}(n,rc(t)),{priority:e.converterPriority||"normal"}),(t.children||t.attributes.length)&&i.on("reduceChanges",oc(t),{priority:"low"})}}(e))}elementToStructure(e){return this.add(function(e){const t=Xa(e.model),n=ec(e.view,"container");return t.children=!0,i=>{if(i._conversionApi.schema.checkChild(t.name,"$text"))throw new p("conversion-element-to-structure-disallowed-text",i,{elementName:t.name});var o,r;i.on(`insert:${t.name}`,(o=n,r=rc(t),(e,t,n)=>{if(!r(t.item,n.consumable,{preflight:!0}))return;const i=new Map;n.writer._registerSlotFactory(function(e,t,n){return(i,o)=>{const r=i.createContainerElement("$slot");let s=null;if("children"===o)s=Array.from(e.getChildren());else{if("function"!=typeof o)throw new p("conversion-slot-mode-unknown",n.dispatcher,{modeOrFilter:o});s=Array.from(e.getChildren()).filter(e=>o(e))}return t.set(r,s),r}}(t.item,i,n));const s=o(t.item,n,t);if(n.writer._clearSlotFactory(),!s)return;!function(e,t,n){const i=Array.from(t.values()).flat(),o=new Set(i);if(o.size!=i.length)throw new p("conversion-slot-filter-overlap",n.dispatcher,{element:e});if(o.size!=e.childCount)throw new p("conversion-slot-filter-incomplete",n.dispatcher,{element:e})}(t.item,i,n),r(t.item,n.consumable);const a=n.mapper.toViewPosition(t.range.start);n.mapper.bindElements(t.item,s),n.writer.insert(a,s),n.convertAttributes(t.item),function(e,t,n,i){n.mapper.on("modelToViewPosition",s,{priority:"highest"});let o=null,r=null;for([o,r]of t)sc(e,r,n,i),n.writer.move(n.writer.createRangeIn(o),n.writer.createPositionBefore(o)),n.writer.remove(o);function s(e,t){const n=t.modelPosition.nodeAfter,i=r.indexOf(n);i<0||(t.viewPosition=t.mapper.findPositionIn(o,i))}n.mapper.off("modelToViewPosition",s)}(s,i,n,{reconversion:t.reconversion})}),{priority:e.converterPriority||"normal"}),i.on("reduceChanges",oc(t),{priority:"low"})}}(e))}attributeToElement(e){return this.add(function(e){let t=(e=ua(e)).model;"string"==typeof t&&(t={key:t});let n=`attribute:${t.key}`;if(t.name&&(n+=":"+t.name),t.values)for(const n of t.values)e.view[n]=ec(e.view[n],"attribute");else e.view=ec(e.view,"attribute");const i=tc(e);return t=>{t.on(n,function(e){return(t,n,i)=>{if(!i.consumable.test(n.item,t.name))return;const o=e(n.attributeOldValue,i,n),r=e(n.attributeNewValue,i,n);if(!o&&!r)return;i.consumable.consume(n.item,t.name);const s=i.writer,a=s.document.selection;if(n.item instanceof Na||n.item instanceof Ua)s.wrap(a.getFirstRange(),r);else{let e=i.mapper.toViewRange(n.range);null!==n.attributeOldValue&&o&&(e=s.unwrap(e,o)),null!==n.attributeNewValue&&r&&s.wrap(e,r)}}}(i),{priority:e.converterPriority||"normal"})}}(e))}attributeToAttribute(e){return this.add(function(e){let t=(e=ua(e)).model;"string"==typeof t&&(t={key:t});let n=`attribute:${t.key}`;if(t.name&&(n+=":"+t.name),t.values)for(const n of t.values)e.view[n]=nc(e.view[n]);else e.view=nc(e.view);const i=tc(e);return t=>{var o;t.on(n,(o=i,(e,t,n)=>{if(!n.consumable.test(t.item,e.name))return;const i=o(t.attributeOldValue,n,t),r=o(t.attributeNewValue,n,t);if(!i&&!r)return;n.consumable.consume(t.item,e.name);const s=n.mapper.toViewElement(t.item),a=n.writer;if(!s)throw new p("conversion-attribute-to-attribute-on-text",n.dispatcher,t);if(null!==t.attributeOldValue&&i)if("class"==i.key){const e="string"==typeof i.value?i.value.split(/\s+/):i.value;for(const t of e)a.removeClass(t,s)}else if("style"==i.key)if("string"==typeof i.value){const e=new 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cc(e,t,{preflight:n}={}){return n?t.test(e,"insert"):t.consume(e,"insert")}function lc(e){const{schema:t,document:n}=e.model;for(const i of n.getRoots())if(i.isEmpty&&!t.checkChild(i,"$text")&&t.checkChild(i,"paragraph"))return e.insertElement("paragraph",i),!0;return!1}function dc(e,t,n){const i=n.createContext(e);return!!n.checkChild(i,"paragraph")&&!!n.checkChild(i.push("paragraph"),t)}function hc(e,t){const n=t.createElement("paragraph");return t.insert(n,e),t.createPositionAt(n,0)}class uc extends Ga{elementToElement(e){return this.add(fc(e))}elementToAttribute(e){return this.add(function(e){mc(e=ua(e));const t=bc(e,!1),n=gc(e.view),i=n?`element:${n}`:"element";return n=>{n.on(i,t,{priority:e.converterPriority||"low"})}}(e))}attributeToAttribute(e){return this.add(function(e){let t=null;("string"==typeof(e=ua(e)).view||e.view.key)&&(t=function(e){"string"==typeof e.view&&(e.view={key:e.view});const t=e.view.key,n=void 0===e.view.value?/[\s\S]*/:e.view.value;let 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o=e.model(r,i),s=i.writer.createElement("$marker",{"data-name":o});i.writer.insert(s,t),n.modelCursor.isEqual(t)?n.modelCursor=n.modelCursor.getShiftedBy(1):n.modelCursor=n.modelCursor._getTransformedByInsertion(t,1),n.modelRange=n.modelRange._getTransformedByInsertion(t,1)[0]}}(i.consumable.test(n.viewItem,{attributes:o+"-end-after"})||i.consumable.test(n.viewItem,{attributes:o+"-start-after"})||i.consumable.test(n.viewItem,{attributes:o+"-end-before"})||i.consumable.test(n.viewItem,{attributes:o+"-start-before"}))&&(n.modelRange||Object.assign(n,i.convertChildren(n.viewItem,n.modelCursor)),i.consumable.consume(n.viewItem,{attributes:o+"-end-after"})&&r(n.modelRange.end,n.viewItem.getAttribute(o+"-end-after").split(",")),i.consumable.consume(n.viewItem,{attributes:o+"-start-after"})&&r(n.modelRange.end,n.viewItem.getAttribute(o+"-start-after").split(",")),i.consumable.consume(n.viewItem,{attributes:o+"-end-before"})&&r(n.modelRange.start,n.viewItem.getAttribute(o+"-end-before").split(",")),i.consumable.consume(n.viewItem,{attributes:o+"-start-before"})&&r(n.modelRange.start,n.viewItem.getAttribute(o+"-start-before").split(",")))}}(t),{priority:r+a})}}(e))}}function fc(e){const t=pc(e=ua(e)),n=gc(e.view),i=n?`element:${n}`:"element";return n=>{n.on(i,t,{priority:e.converterPriority||"normal"})}}function gc(e){return"string"==typeof e?e:"object"==typeof e&&"string"==typeof e.name?e.name:null}function pc(e){const t=new Ro(e.view);return(n,i,o)=>{const r=t.match(i.viewItem);if(!r)return;const s=r.match;if(s.name=!0,!o.consumable.test(i.viewItem,s))return;const a=function(e,t,n){return e instanceof Function?e(t,n):n.writer.createElement(e)}(e.model,i.viewItem,o);a&&o.safeInsert(a,i.modelCursor)&&(o.consumable.consume(i.viewItem,s),o.convertChildren(i.viewItem,a),o.updateConversionResult(a,i))}}function mc(e,t=null){const n=null===t||(e=>e.getAttribute(t)),i="object"!=typeof e.model?e.model:e.model.key,o="object"!=typeof e.model||void 0===e.model.value?n:e.model.value;e.model={key:i,value:o}}function bc(e,t){const n=new Ro(e.view);return(i,o,r)=>{if(!o.modelRange&&t)return;const s=n.match(o.viewItem);if(!s)return;if(function(e,t){const 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n=e.start,i=t.getNearestSelectionRange(n);if(!i){const e=n.getAncestors().reverse().find(e=>t.isObject(e));return e?Pa._createOn(e):null}if(!i.isCollapsed)return i;const o=i.start;return n.isEqual(o)?null:new Pa(o)}(e,t):function(e,t){const{start:n,end:i}=e,o=t.checkChild(n,"$text"),r=t.checkChild(i,"$text"),s=t.getLimitElement(n),a=t.getLimitElement(i);if(s===a){if(o&&r)return null;if(function(e,t,n){const i=e.nodeAfter&&!n.isLimit(e.nodeAfter)||n.checkChild(e,"$text"),o=t.nodeBefore&&!n.isLimit(t.nodeBefore)||n.checkChild(t,"$text");return i||o}(n,i,t)){const e=n.nodeAfter&&t.isSelectable(n.nodeAfter)?null:t.getNearestSelectionRange(n,"forward"),o=i.nodeBefore&&t.isSelectable(i.nodeBefore)?null:t.getNearestSelectionRange(i,"backward"),r=e?e.start:n,s=o?o.end:i;return new Pa(r,s)}}const c=s&&!s.is("rootElement"),l=a&&!a.is("rootElement");if(c||l){const e=n.nodeAfter&&i.nodeBefore&&n.nodeAfter.parent===i.nodeBefore.parent,o=c&&(!e||!vc(n.nodeAfter,t)),r=l&&(!e||!vc(i.nodeBefore,t));let d=n,h=i;return o&&(d=ya._createBefore(_c(s,t))),r&&(h=ya._createAfter(_c(a,t))),new Pa(d,h)}return null}(e,t)}function _c(e,t){let n=e,i=n;for(;t.isLimit(i)&&i.parent;)n=i,i=i.parent;return n}function vc(e,t){return e&&t.isSelectable(e)}class yc extends(F()){constructor(e,t){super(),this.model=e,this.view=new fa(t),this.mapper=new Sa,this.downcastDispatcher=new Oa({mapper:this.mapper,schema:e.schema});const i=this.model.document,o=i.selection,r=this.model.markers;var s,a,c;this.listenTo(this.model,"_beforeChanges",()=>{this.view._disableRendering(!0)},{priority:"highest"}),this.listenTo(this.model,"_afterChanges",()=>{this.view._disableRendering(!1)},{priority:"lowest"}),this.listenTo(i,"change",()=>{this.view.change(e=>{this.downcastDispatcher.convertChanges(i.differ,r,e),this.downcastDispatcher.convertSelection(o,r,e)})},{priority:"low"}),this.listenTo(this.view.document,"selectionChange",function(e,t){return(n,i)=>{const o=i.newSelection,r=[];for(const e of o.getRanges())r.push(t.toModelRange(e));const s=e.createSelection(r,{backward:o.isBackward});s.isEqual(e.document.selection)||e.change(e=>{e.setSelection(s)})}}(this.model,this.mapper)),this.listenTo(this.view.document,"beforeinput",(s=this.mapper,a=this.model.schema,c=this.view,(e,t)=>{if(!c.document.isComposing||n.isAndroid)for(let e=0;e<t.targetRanges.length;e++){const n=t.targetRanges[e],i=s.toModelRange(n),o=wc(i,a);o&&!o.isEqual(i)&&(t.targetRanges[e]=s.toViewRange(o))}}),{priority:"high"}),this.downcastDispatcher.on("insert:$text",(e,t,n)=>{if(!n.consumable.consume(t.item,e.name))return;const i=n.writer,o=n.mapper.toViewPosition(t.range.start),r=i.createText(t.item.data);i.insert(o,r)},{priority:"lowest"}),this.downcastDispatcher.on("insert",(e,t,n)=>{n.convertAttributes(t.item),t.reconversion||!t.item.is("element")||t.item.isEmpty||n.convertChildren(t.item)},{priority:"lowest"}),this.downcastDispatcher.on("remove",(e,t,n)=>{const i=n.mapper.toViewPosition(t.position),o=t.position.getShiftedBy(t.length),r=n.mapper.toViewPosition(o,{isPhantom:!0}),s=n.writer.createRange(i,r),a=n.writer.remove(s.getTrimmed());for(const e of n.writer.createRangeIn(a).getItems())n.mapper.unbindViewElement(e,{defer:!0})},{priority:"low"}),this.downcastDispatcher.on("cleanSelection",(e,t,n)=>{const i=n.writer,o=i.document.selection;for(const e of o.getRanges())e.isCollapsed&&e.end.parent.isAttached()&&n.writer.mergeAttributes(e.start);i.setSelection(null)}),this.downcastDispatcher.on("selection",(e,t,n)=>{const i=t.selection;if(i.isCollapsed)return;if(!n.consumable.consume(i,"selection"))return;const o=[];for(const e of i.getRanges())o.push(n.mapper.toViewRange(e));n.writer.setSelection(o,{backward:i.isBackward})},{priority:"low"}),this.downcastDispatcher.on("selection",(e,t,n)=>{const i=t.selection;if(!i.isCollapsed)return;if(!n.consumable.consume(i,"selection"))return;const o=n.writer,r=i.getFirstPosition(),s=n.mapper.toViewPosition(r),a=o.breakAttributes(s);o.setSelection(a)},{priority:"low"}),this.view.document.roots.bindTo(this.model.document.roots).using(e=>{if("$graveyard"==e.rootName)return null;const t=new ur(this.view.document,e.name);return t.rootName=e.rootName,this.mapper.bindElements(e,t),t})}destroy(){this.view.destroy(),this.stopListening()}reconvertMarker(e){const t="string"==typeof e?e:e.name,n=this.model.markers.get(t);if(!n)throw new p("editingcontroller-reconvertmarker-marker-not-exist",this,{markerName:t});this.model.change(()=>{this.model.markers._refresh(n)})}reconvertItem(e){this.model.change(()=>{this.model.document.differ._refreshItem(e)})}}class xc{constructor(){this._consumables=new Map}add(e,t){let n;e.is("$text")||e.is("documentFragment")?this._consumables.set(e,!0):(this._consumables.has(e)?n=this._consumables.get(e):(n=new Cc(e),this._consumables.set(e,n)),n.add(t))}test(e,t){const n=this._consumables.get(e);return void 0===n?null:e.is("$text")||e.is("documentFragment")?n:n.test(t)}consume(e,t){return!!this.test(e,t)&&(e.is("$text")||e.is("documentFragment")?this._consumables.set(e,!1):this._consumables.get(e).consume(t),!0)}revert(e,t){const n=this._consumables.get(e);void 0!==n&&(e.is("$text")||e.is("documentFragment")?this._consumables.set(e,!0):n.revert(t))}static consumablesFromElement(e){const t={element:e,name:!0,attributes:[],classes:[],styles:[]},n=e.getAttributeKeys();for(const e of n)"style"!=e&&"class"!=e&&t.attributes.push(e);const i=e.getClassNames();for(const e of i)t.classes.push(e);const o=e.getStyleNames();for(const e of o)t.styles.push(e);return t}static createFrom(e,t){if(t||(t=new xc),e.is("$text"))return t.add(e),t;e.is("element")&&t.add(e,xc.consumablesFromElement(e)),e.is("documentFragment")&&t.add(e);for(const n of e.getChildren())t=xc.createFrom(n,t);return t}}const Ac=["attributes","classes","styles"];class Cc{constructor(e){this.element=e,this._canConsumeName=null,this._consumables={attributes:new Map,styles:new Map,classes:new Map}}add(e){e.name&&(this._canConsumeName=!0);for(const t of Ac)t in e&&this._add(t,e[t])}test(e){if(e.name&&!this._canConsumeName)return this._canConsumeName;for(const t of Ac)if(t in e){const n=this._test(t,e[t]);if(!0!==n)return n}return!0}consume(e){e.name&&(this._canConsumeName=!1);for(const t of Ac)t in e&&this._consume(t,e[t])}revert(e){e.name&&(this._canConsumeName=!0);for(const t of Ac)t in e&&this._revert(t,e[t])}_add(e,t){const n=Ti(t),i=this._consumables[e];for(const t of n){if("attributes"===e&&("class"===t||"style"===t))throw new p("viewconsumable-invalid-attribute",this);if(i.set(t,!0),"styles"===e)for(const e of this.element.document.stylesProcessor.getRelatedStyles(t))i.set(e,!0)}}_test(e,t){const n=Ti(t),i=this._consumables[e];for(const t of n)if("attributes"!==e||"class"!==t&&"style"!==t){const e=i.get(t);if(void 0===e)return null;if(!e)return!1}else{const e="class"==t?"classes":"styles",n=this._test(e,[...this._consumables[e].keys()]);if(!0!==n)return n}return!0}_consume(e,t){const n=Ti(t),i=this._consumables[e];for(const t of n)if("attributes"!==e||"class"!==t&&"style"!==t){if(i.set(t,!1),"styles"==e)for(const e of this.element.document.stylesProcessor.getRelatedStyles(t))i.set(e,!1)}else{const e="class"==t?"classes":"styles";this._consume(e,[...this._consumables[e].keys()])}}_revert(e,t){const n=Ti(t),i=this._consumables[e];for(const t of n)if("attributes"!==e||"class"!==t&&"style"!==t)!1===i.get(t)&&i.set(t,!0);else{const e="class"==t?"classes":"styles";this._revert(e,[...this._consumables[e].keys()])}}}class Ec extends(F()){constructor(){super(),this._sourceDefinitions={},this._attributeProperties={},this.decorate("checkChild"),this.decorate("checkAttribute"),this.on("checkAttribute",(e,t)=>{t[0]=new Tc(t[0])},{priority:"highest"}),this.on("checkChild",(e,t)=>{t[0]=new Tc(t[0]),t[1]=this.getDefinition(t[1])},{priority:"highest"})}register(e,t){if(this._sourceDefinitions[e])throw new p("schema-cannot-register-item-twice",this,{itemName:e});this._sourceDefinitions[e]=[Object.assign({},t)],this._clearCache()}extend(e,t){if(!this._sourceDefinitions[e])throw new p("schema-cannot-extend-missing-item",this,{itemName:e});this._sourceDefinitions[e].push(Object.assign({},t)),this._clearCache()}getDefinitions(){return this._compiledDefinitions||this._compile(),this._compiledDefinitions}getDefinition(e){let t;return t="string"==typeof e?e:"is"in e&&(e.is("$text")||e.is("$textProxy"))?"$text":e.name,this.getDefinitions()[t]}isRegistered(e){return!!this.getDefinition(e)}isBlock(e){const t=this.getDefinition(e);return!(!t||!t.isBlock)}isLimit(e){const t=this.getDefinition(e);return!(!t||!t.isLimit&&!t.isObject)}isObject(e){const t=this.getDefinition(e);return!!t&&!!(t.isObject||t.isLimit&&t.isSelectable&&t.isContent)}isInline(e){const t=this.getDefinition(e);return!(!t||!t.isInline)}isSelectable(e){const t=this.getDefinition(e);return!(!t||!t.isSelectable&&!t.isObject)}isContent(e){const t=this.getDefinition(e);return!(!t||!t.isContent&&!t.isObject)}checkChild(e,t){return!!t&&this._checkContextMatch(t,e)}checkAttribute(e,t){const n=this.getDefinition(e.last);return!!n&&n.allowAttributes.includes(t)}checkMerge(e,t){if(e instanceof ya){const t=e.nodeBefore,n=e.nodeAfter;if(!(t instanceof wa))throw new p("schema-check-merge-no-element-before",this);if(!(n instanceof wa))throw new p("schema-check-merge-no-element-after",this);return this.checkMerge(t,n)}for(const n of t.getChildren())if(!this.checkChild(e,n))return!1;return!0}addChildCheck(e){this.on("checkChild",(t,[n,i])=>{if(!i)return;const o=e(n,i);"boolean"==typeof o&&(t.stop(),t.return=o)},{priority:"high"})}addAttributeCheck(e){this.on("checkAttribute",(t,[n,i])=>{const o=e(n,i);"boolean"==typeof o&&(t.stop(),t.return=o)},{priority:"high"})}setAttributeProperties(e,t){this._attributeProperties[e]=Object.assign(this.getAttributeProperties(e),t)}getAttributeProperties(e){return this._attributeProperties[e]||{}}getLimitElement(e){let t;for(t=e instanceof ya?e.parent:(e instanceof Pa?[e]:Array.from(e.getRanges())).reduce((e,t)=>{const n=t.getCommonAncestor();return e?e.getCommonAncestor(n,{includeSelf:!0}):n},null);!this.isLimit(t)&&t.parent;)t=t.parent;return t}checkAttributeInSelection(e,t){if(e.isCollapsed){const n=[...e.getFirstPosition().getAncestors(),new ba("",e.getAttributes())];return this.checkAttribute(n,t)}{const n=e.getRanges();for(const e of n)for(const n of e)if(this.checkAttribute(n.item,t))return!0}return!1}*getValidRanges(e,t){e=function*(e){for(const t of e)yield*t.getMinimalFlatRanges()}(e);for(const n of e)yield*this._getValidRangesForRange(n,t)}getNearestSelectionRange(e,t="both"){if("$graveyard"==e.root.rootName)return null;if(this.checkChild(e,"$text"))return new Pa(e);let n,i;const o=e.getAncestors().reverse().find(e=>this.isLimit(e))||e.root;"both"!=t&&"backward"!=t||(n=new _a({boundaries:Pa._createIn(o),startPosition:e,direction:"backward"})),"both"!=t&&"forward"!=t||(i=new _a({boundaries:Pa._createIn(o),startPosition:e}));for(const e of function*(e,t){let n=!1;for(;!n;){if(n=!0,e){const t=e.next();t.done||(n=!1,yield{walker:e,value:t.value})}if(t){const e=t.next();e.done||(n=!1,yield{walker:t,value:e.value})}}}(n,i)){const t=e.walker==n?"elementEnd":"elementStart",i=e.value;if(i.type==t&&this.isObject(i.item))return Pa._createOn(i.item);if(this.checkChild(i.nextPosition,"$text"))return new Pa(i.nextPosition)}return null}findAllowedParent(e,t){let n=e.parent;for(;n;){if(this.checkChild(n,t))return n;if(this.isLimit(n))return null;n=n.parent}return null}setAllowedAttributes(e,t,n){const i=n.model;for(const[o,r]of Object.entries(t))i.schema.checkAttribute(e,o)&&n.setAttribute(o,r,e)}removeDisallowedAttributes(e,t){for(const n of e)if(n.is("$text"))zc(this,n,t);else{const e=Pa._createIn(n).getPositions();for(const n of e)zc(this,n.nodeBefore||n.parent,t)}}getAttributesWithProperty(e,t,n){const i={};for(const[o,r]of e.getAttributes()){const e=this.getAttributeProperties(o);void 0!==e[t]&&(void 0!==n&&n!==e[t]||(i[o]=r))}return i}createContext(e){return new Tc(e)}_clearCache(){this._compiledDefinitions=null}_compile(){const e={},t=this._sourceDefinitions,n=Object.keys(t);for(const i of n)e[i]=Pc(t[i],i);for(const t of n)Sc(e,t);for(const t of n)Rc(e,t);for(const t of n)Ic(e,t);for(const t of n)Oc(e,t),Mc(e,t);for(const t of n)Vc(e,t),Nc(e,t),Dc(e,t);this._compiledDefinitions=e}_checkContextMatch(e,t,n=t.length-1){const i=t.getItem(n);if(e.allowIn.includes(i.name)){if(0==n)return!0;{const e=this.getDefinition(i);return this._checkContextMatch(e,t,n-1)}}return!1}*_getValidRangesForRange(e,t){let n=e.start,i=e.start;for(const o of e.getItems({shallow:!0}))o.is("element")&&(yield*this._getValidRangesForRange(Pa._createIn(o),t)),this.checkAttribute(o,t)||(n.isEqual(i)||(yield new Pa(n,i)),n=ya._createAfter(o)),i=ya._createAfter(o);n.isEqual(i)||(yield new Pa(n,i))}findOptimalInsertionRange(e,t){const n=e.getSelectedElement();if(n&&this.isObject(n)&&!this.isInline(n))return"before"==t||"after"==t?new Pa(ya._createAt(n,t)):Pa._createOn(n);const i=Wi(e.getSelectedBlocks());if(!i)return new Pa(e.focus);if(i.isEmpty)return new Pa(ya._createAt(i,0));const o=ya._createAfter(i);return e.focus.isTouching(o)?new Pa(o):new Pa(ya._createBefore(i))}}class Tc{constructor(e){if(e instanceof Tc)return e;let t;t="string"==typeof e?[e]:Array.isArray(e)?e:e.getAncestors({includeSelf:!0}),this._items=t.map(Fc)}get length(){return this._items.length}get last(){return this._items[this._items.length-1]}[Symbol.iterator](){return this._items[Symbol.iterator]()}push(e){const t=new Tc([e]);return t._items=[...this._items,...t._items],t}getItem(e){return this._items[e]}*getNames(){yield*this._items.map(e=>e.name)}endsWith(e){return Array.from(this.getNames()).join(" ").endsWith(e)}startsWith(e){return Array.from(this.getNames()).join(" ").startsWith(e)}}function Pc(e,t){const n={name:t,allowIn:[],allowContentOf:[],allowWhere:[],allowAttributes:[],allowAttributesOf:[],allowChildren:[],inheritTypesFrom:[]};return function(e,t){for(const n of e){const e=Object.keys(n).filter(e=>e.startsWith("is"));for(const i of e)t[i]=!!n[i]}}(e,n),Bc(e,n,"allowIn"),Bc(e,n,"allowContentOf"),Bc(e,n,"allowWhere"),Bc(e,n,"allowAttributes"),Bc(e,n,"allowAttributesOf"),Bc(e,n,"allowChildren"),Bc(e,n,"inheritTypesFrom"),function(e,t){for(const n of e){const e=n.inheritAllFrom;e&&(t.allowContentOf.push(e),t.allowWhere.push(e),t.allowAttributesOf.push(e),t.inheritTypesFrom.push(e))}}(e,n),n}function Sc(e,t){const n=e[t];for(const i of n.allowChildren){const n=e[i];n&&n.allowIn.push(t)}n.allowChildren.length=0}function Rc(e,t){for(const n of e[t].allowContentOf)e[n]&&Lc(e,n).forEach(e=>{e.allowIn.push(t)});delete e[t].allowContentOf}function Ic(e,t){for(const n of e[t].allowWhere){const i=e[n];if(i){const n=i.allowIn;e[t].allowIn.push(...n)}}delete e[t].allowWhere}function Oc(e,t){for(const n of e[t].allowAttributesOf){const i=e[n];if(i){const n=i.allowAttributes;e[t].allowAttributes.push(...n)}}delete e[t].allowAttributesOf}function Mc(e,t){const n=e[t];for(const t of n.inheritTypesFrom){const i=e[t];if(i){const e=Object.keys(i).filter(e=>e.startsWith("is"));for(const t of e)t in n||(n[t]=i[t])}}delete n.inheritTypesFrom}function Vc(e,t){const n=e[t],i=n.allowIn.filter(t=>e[t]);n.allowIn=Array.from(new Set(i))}function Nc(e,t){const n=e[t];for(const i of n.allowIn)e[i].allowChildren.push(t)}function Dc(e,t){const n=e[t];n.allowAttributes=Array.from(new Set(n.allowAttributes))}function Bc(e,t,n){for(const i of e){const e=i[n];"string"==typeof e?t[n].push(e):Array.isArray(e)&&t[n].push(...e)}}function Lc(e,t){const n=e[t];return(i=e,Object.keys(i).map(e=>i[e])).filter(e=>e.allowIn.includes(n.name));var i}function Fc(e){return"string"==typeof e||e.is("documentFragment")?{name:"string"==typeof e?e:"$documentFragment",*getAttributeKeys(){},getAttribute(){}}:{name:e.is("element")?e.name:"$text",*getAttributeKeys(){yield*e.getAttributeKeys()},getAttribute:t=>e.getAttribute(t)}}function zc(e,t,n){for(const i of t.getAttributeKeys())e.checkAttribute(t,i)||n.removeAttribute(i,t)}class $c extends(x()){constructor(e){super(),this._splitParts=new Map,this._cursorParents=new Map,this._modelCursor=null,this._emptyElementsToKeep=new Set,this.conversionApi={...e,consumable:null,writer:null,store:null,convertItem:(e,t)=>this._convertItem(e,t),convertChildren:(e,t)=>this._convertChildren(e,t),safeInsert:(e,t)=>this._safeInsert(e,t),updateConversionResult:(e,t)=>this._updateConversionResult(e,t),splitToAllowedParent:(e,t)=>this._splitToAllowedParent(e,t),getSplitParts:e=>this._getSplitParts(e),keepEmptyElement:e=>this._keepEmptyElement(e)}}convert(e,t,n=["$root"]){this.fire("viewCleanup",e),this._modelCursor=function(e,t){let n;for(const i of new Tc(e)){const e={};for(const t of i.getAttributeKeys())e[t]=i.getAttribute(t);const o=t.createElement(i.name,e);n&&t.insert(o,n),n=ya._createAt(o,0)}return n}(n,t),this.conversionApi.writer=t,this.conversionApi.consumable=xc.createFrom(e),this.conversionApi.store={};const{modelRange:i}=this._convertItem(e,this._modelCursor),o=t.createDocumentFragment();if(i){this._removeEmptyElements();for(const e of Array.from(this._modelCursor.parent.getChildren()))t.append(e,o);o.markers=function(e,t){const n=new Set,i=new Map,o=Pa._createIn(e).getItems();for(const e of o)e.is("element","$marker")&&n.add(e);for(const e of n){const n=e.getAttribute("data-name"),o=t.createPositionBefore(e);i.has(n)?i.get(n).end=o.clone():i.set(n,new Pa(o.clone())),t.remove(e)}return i}(o,t)}return this._modelCursor=null,this._splitParts.clear(),this._cursorParents.clear(),this._emptyElementsToKeep.clear(),this.conversionApi.writer=null,this.conversionApi.store=null,o}_convertItem(e,t){const n={viewItem:e,modelCursor:t,modelRange:null};if(e.is("element")?this.fire(`element:${e.name}`,n,this.conversionApi):e.is("$text")?this.fire("text",n,this.conversionApi):this.fire("documentFragment",n,this.conversionApi),n.modelRange&&!(n.modelRange instanceof Pa))throw new p("view-conversion-dispatcher-incorrect-result",this);return{modelRange:n.modelRange,modelCursor:n.modelCursor}}_convertChildren(e,t){let n=t.is("position")?t:ya._createAt(t,0);const i=new Pa(n);for(const t of Array.from(e.getChildren())){const e=this._convertItem(t,n);e.modelRange instanceof Pa&&(i.end=e.modelRange.end,n=e.modelCursor)}return{modelRange:i,modelCursor:n}}_safeInsert(e,t){const n=this._splitToAllowedParent(e,t);return!!n&&(this.conversionApi.writer.insert(e,n.position),!0)}_updateConversionResult(e,t){const n=this._getSplitParts(e),i=this.conversionApi.writer;t.modelRange||(t.modelRange=i.createRange(i.createPositionBefore(e),i.createPositionAfter(n[n.length-1])));const o=this._cursorParents.get(e);t.modelCursor=o?i.createPositionAt(o,0):t.modelRange.end}_splitToAllowedParent(e,t){const{schema:n,writer:i}=this.conversionApi;let o=n.findAllowedParent(t,e);if(o){if(o===t.parent)return{position:t};this._modelCursor.parent.getAncestors().includes(o)&&(o=null)}if(!o)return dc(t,e,n)?{position:hc(t,i)}:null;const r=this.conversionApi.writer.split(t,o),s=[];for(const e of r.range.getWalker())if("elementEnd"==e.type)s.push(e.item);else{const t=s.pop(),n=e.item;this._registerSplitPair(t,n)}const a=r.range.end.parent;return this._cursorParents.set(e,a),{position:r.position,cursorParent:a}}_registerSplitPair(e,t){this._splitParts.has(e)||this._splitParts.set(e,[e]);const n=this._splitParts.get(e);this._splitParts.set(t,n),n.push(t)}_getSplitParts(e){let t;return t=this._splitParts.has(e)?this._splitParts.get(e):[e],t}_keepEmptyElement(e){this._emptyElementsToKeep.add(e)}_removeEmptyElements(){let e=!1;for(const t of this._splitParts.keys())t.isEmpty&&!this._emptyElementsToKeep.has(t)&&(this.conversionApi.writer.remove(t),this._splitParts.delete(t),e=!0);e&&this._removeEmptyElements()}}class Hc{getHtml(e){const t=Fn.document.implementation.createHTMLDocument("").createElement("div");return t.appendChild(e),t.innerHTML}}class jc{constructor(e){this.skipComments=!0,this.domParser=new DOMParser,this.domConverter=new ms(e,{renderingMode:"data"}),this.htmlWriter=new Hc}toData(e){const t=this.domConverter.viewToDom(e);return this.htmlWriter.getHtml(t)}toView(e){const t=this._toDom(e);return this.domConverter.domToView(t,{skipComments:this.skipComments})}registerRawContentMatcher(e){this.domConverter.registerRawContentMatcher(e)}useFillerType(e){this.domConverter.blockFillerMode="marked"==e?"markedNbsp":"nbsp"}_toDom(e){e.match(/<(?:html|body|head|meta)(?:\s[^>]*)?>/i)||(e=`<body>${e}</body>`);const t=this.domParser.parseFromString(e,"text/html"),n=t.createDocumentFragment(),i=t.body.childNodes;for(;i.length>0;)n.appendChild(i[0]);return n}}class qc extends(x()){constructor(e,t){super(),this.model=e,this.mapper=new Sa,this.downcastDispatcher=new Oa({mapper:this.mapper,schema:e.schema}),this.downcastDispatcher.on("insert:$text",(e,t,n)=>{if(!n.consumable.consume(t.item,e.name))return;const i=n.writer,o=n.mapper.toViewPosition(t.range.start),r=i.createText(t.item.data);i.insert(o,r)},{priority:"lowest"}),this.downcastDispatcher.on("insert",(e,t,n)=>{n.convertAttributes(t.item),t.reconversion||!t.item.is("element")||t.item.isEmpty||n.convertChildren(t.item)},{priority:"lowest"}),this.upcastDispatcher=new $c({schema:e.schema}),this.viewDocument=new Er(t),this.stylesProcessor=t,this.htmlProcessor=new jc(this.viewDocument),this.processor=this.htmlProcessor,this._viewWriter=new Lr(this.viewDocument),this.upcastDispatcher.on("text",(e,t,{schema:n,consumable:i,writer:o})=>{let r=t.modelCursor;if(!i.test(t.viewItem))return;if(!n.checkChild(r,"$text")){if(!dc(r,"$text",n))return;if(0==t.viewItem.data.trim().length)return;const e=r.nodeBefore;r=hc(r,o),e&&e.is("element","$marker")&&(o.move(o.createRangeOn(e),r),r=o.createPositionAfter(e))}i.consume(t.viewItem);const s=o.createText(t.viewItem.data);o.insert(s,r),t.modelRange=o.createRange(r,r.getShiftedBy(s.offsetSize)),t.modelCursor=t.modelRange.end},{priority:"lowest"}),this.upcastDispatcher.on("element",(e,t,n)=>{if(!t.modelRange&&n.consumable.consume(t.viewItem,{name:!0})){const{modelRange:e,modelCursor:i}=n.convertChildren(t.viewItem,t.modelCursor);t.modelRange=e,t.modelCursor=i}},{priority:"lowest"}),this.upcastDispatcher.on("documentFragment",(e,t,n)=>{if(!t.modelRange&&n.consumable.consume(t.viewItem,{name:!0})){const{modelRange:e,modelCursor:i}=n.convertChildren(t.viewItem,t.modelCursor);t.modelRange=e,t.modelCursor=i}},{priority:"lowest"}),F().prototype.decorate.call(this,"init"),F().prototype.decorate.call(this,"set"),F().prototype.decorate.call(this,"get"),F().prototype.decorate.call(this,"toView"),F().prototype.decorate.call(this,"toModel"),this.on("init",()=>{this.fire("ready")},{priority:"lowest"}),this.on("ready",()=>{this.model.enqueueChange({isUndoable:!1},lc)},{priority:"lowest"})}get(e={}){const{rootName:t="main",trim:n="empty"}=e;if(!this._checkIfRootsExists([t]))throw new p("datacontroller-get-non-existent-root",this);const i=this.model.document.getRoot(t);return i.isAttached()||m("datacontroller-get-detached-root",this),"empty"!==n||this.model.hasContent(i,{ignoreWhitespaces:!0})?this.stringify(i,e):""}stringify(e,t={}){const n=this.toView(e,t);return this.processor.toData(n)}toView(e,t={}){const n=this.viewDocument,i=this._viewWriter;this.mapper.clearBindings();const o=Pa._createIn(e),r=new Br(n);this.mapper.bindElements(e,r);const s=e.is("documentFragment")?e.markers:function(e){const t=[],n=e.root.document;if(!n)return new Map;const i=Pa._createIn(e);for(const e of n.model.markers){const n=e.getRange(),o=n.isCollapsed,r=n.start.isEqual(i.start)||n.end.isEqual(i.end);if(o&&r)t.push([e.name,n]);else{const o=i.getIntersection(n);o&&t.push([e.name,o])}}return t.sort(([e,t],[n,i])=>{if("after"!==t.end.compareWith(i.start))return 1;if("before"!==t.start.compareWith(i.end))return-1;switch(t.start.compareWith(i.start)){case"before":return 1;case"after":return-1;default:switch(t.end.compareWith(i.end)){case"before":return 1;case"after":return-1;default:return n.localeCompare(e)}}}),new Map(t)}(e);return this.downcastDispatcher.convert(o,s,i,t),r}init(e){if(this.model.document.version)throw new p("datacontroller-init-document-not-empty",this);let t={};if("string"==typeof e?t.main=e:t=e,!this._checkIfRootsExists(Object.keys(t)))throw new p("datacontroller-init-non-existent-root",this);return this.model.enqueueChange({isUndoable:!1},e=>{for(const n of Object.keys(t)){const i=this.model.document.getRoot(n);e.insert(this.parse(t[n],i),i,0)}}),Promise.resolve()}set(e,t={}){let n={};if("string"==typeof e?n.main=e:n=e,!this._checkIfRootsExists(Object.keys(n)))throw new p("datacontroller-set-non-existent-root",this);this.model.enqueueChange(t.batchType||{},e=>{e.setSelection(null),e.removeSelectionAttribute(this.model.document.selection.getAttributeKeys());for(const t of Object.keys(n)){const i=this.model.document.getRoot(t);e.remove(e.createRangeIn(i)),e.insert(this.parse(n[t],i),i,0)}})}parse(e,t="$root"){const n=this.processor.toView(e);return this.toModel(n,t)}toModel(e,t="$root"){return this.model.change(n=>this.upcastDispatcher.convert(e,n,t))}addStyleProcessorRules(e){e(this.stylesProcessor)}registerRawContentMatcher(e){this.processor&&this.processor!==this.htmlProcessor&&this.processor.registerRawContentMatcher(e),this.htmlProcessor.registerRawContentMatcher(e)}destroy(){this.stopListening()}_checkIfRootsExists(e){for(const t of e)if(!this.model.document.getRoot(t))return!1;return!0}}class Wc{constructor(e,t){this._helpers=new Map,this._downcast=Ti(e),this._createConversionHelpers({name:"downcast",dispatchers:this._downcast,isDowncast:!0}),this._upcast=Ti(t),this._createConversionHelpers({name:"upcast",dispatchers:this._upcast,isDowncast:!1})}addAlias(e,t){const n=this._downcast.includes(t);if(!this._upcast.includes(t)&&!n)throw new p("conversion-add-alias-dispatcher-not-registered",this);this._createConversionHelpers({name:e,dispatchers:[t],isDowncast:n})}for(e){if(!this._helpers.has(e))throw new p("conversion-for-unknown-group",this);return this._helpers.get(e)}elementToElement(e){this.for("downcast").elementToElement(e);for(const{model:t,view:n}of Uc(e))this.for("upcast").elementToElement({model:t,view:n,converterPriority:e.converterPriority})}attributeToElement(e){this.for("downcast").attributeToElement(e);for(const{model:t,view:n}of Uc(e))this.for("upcast").elementToAttribute({view:n,model:t,converterPriority:e.converterPriority})}attributeToAttribute(e){this.for("downcast").attributeToAttribute(e);for(const{model:t,view:n}of Uc(e))this.for("upcast").attributeToAttribute({view:n,model:t})}_createConversionHelpers({name:e,dispatchers:t,isDowncast:n}){if(this._helpers.has(e))throw new p("conversion-group-exists",this);const i=n?new Ja(t):new uc(t);this._helpers.set(e,i)}}function*Uc(e){if(e.model.values)for(const t of e.model.values){const n={key:e.model.key,value:t},i=e.view[t],o=e.upcastAlso?e.upcastAlso[t]:void 0;yield*Zc(n,i,o)}else yield*Zc(e.model,e.view,e.upcastAlso)}function*Zc(e,t,n){if(yield{model:e,view:t},n)for(const t of Ti(n))yield{model:e,view:t}}class Kc{constructor(e){this.baseVersion=e,this.isDocumentOperation=null!==this.baseVersion,this.batch=null}_validate(){}toJSON(){const e=Object.assign({},this);return e.__className=this.constructor.className,delete e.batch,delete e.isDocumentOperation,e}static get className(){return"Operation"}static fromJSON(e,t){return new this(e.baseVersion)}}function Gc(e,t){const n=Yc(t),i=n.reduce((e,t)=>e+t.offsetSize,0),o=e.parent;el(e);const r=e.index;return o._insertChild(r,n),Xc(o,r+n.length),Xc(o,r),new Pa(e,e.getShiftedBy(i))}function Jc(e){if(!e.isFlat)throw new p("operation-utils-remove-range-not-flat",this);const t=e.start.parent;el(e.start),el(e.end);const n=t._removeChildren(e.start.index,e.end.index-e.start.index);return Xc(t,e.start.index),n}function Qc(e,t){if(!e.isFlat)throw new p("operation-utils-move-range-not-flat",this);const n=Jc(e);return Gc(t=t._getTransformedByDeletion(e.start,e.end.offset-e.start.offset),n)}function Yc(e){const t=[];!function e(n){if("string"==typeof n)t.push(new ba(n));else if(n instanceof ka)t.push(new ba(n.data,n.getAttributes()));else if(n instanceof pa)t.push(n);else if(K(n))for(const t of n)e(t)}(e);for(let e=1;e<t.length;e++){const n=t[e],i=t[e-1];n instanceof ba&&i instanceof ba&&tl(n,i)&&(t.splice(e-1,2,new ba(i.data+n.data,i.getAttributes())),e--)}return t}function Xc(e,t){const n=e.getChild(t-1),i=e.getChild(t);if(n&&i&&n.is("$text")&&i.is("$text")&&tl(n,i)){const o=new ba(n.data+i.data,n.getAttributes());e._removeChildren(t-1,2),e._insertChild(t-1,o)}}function el(e){const t=e.textNode,n=e.parent;if(t){const i=e.offset-t.startOffset,o=t.index;n._removeChildren(o,1);const r=new ba(t.data.substr(0,i),t.getAttributes()),s=new ba(t.data.substr(i),t.getAttributes());n._insertChild(o,[r,s])}}function tl(e,t){const n=e.getAttributes(),i=t.getAttributes();for(const e of n){if(e[1]!==t.getAttribute(e[0]))return!1;i.next()}return i.next().done}class nl extends Kc{constructor(e,t,n,i){super(i),this.sourcePosition=e.clone(),this.sourcePosition.stickiness="toNext",this.howMany=t,this.targetPosition=n.clone(),this.targetPosition.stickiness="toNone"}get type(){return"$graveyard"==this.targetPosition.root.rootName?"remove":"$graveyard"==this.sourcePosition.root.rootName?"reinsert":"move"}get affectedSelectable(){return[Pa._createFromPositionAndShift(this.sourcePosition,this.howMany),Pa._createFromPositionAndShift(this.targetPosition,0)]}clone(){return new nl(this.sourcePosition,this.howMany,this.targetPosition,this.baseVersion)}getMovedRangeStart(){return this.targetPosition._getTransformedByDeletion(this.sourcePosition,this.howMany)}getReversed(){const e=this.sourcePosition._getTransformedByInsertion(this.targetPosition,this.howMany);return new nl(this.getMovedRangeStart(),this.howMany,e,this.baseVersion+1)}_validate(){const e=this.sourcePosition.parent,t=this.targetPosition.parent,n=this.sourcePosition.offset,i=this.targetPosition.offset;if(n+this.howMany>e.maxOffset)throw new p("move-operation-nodes-do-not-exist",this);if(e===t&&n<i&&i<n+this.howMany)throw new p("move-operation-range-into-itself",this);if(this.sourcePosition.root==this.targetPosition.root&&"prefix"==Z(this.sourcePosition.getParentPath(),this.targetPosition.getParentPath())){const e=this.sourcePosition.path.length-1;if(this.targetPosition.path[e]>=n&&this.targetPosition.path[e]<n+this.howMany)throw new p("move-operation-node-into-itself",this)}}_execute(){Qc(Pa._createFromPositionAndShift(this.sourcePosition,this.howMany),this.targetPosition)}toJSON(){const e=super.toJSON();return e.sourcePosition=this.sourcePosition.toJSON(),e.targetPosition=this.targetPosition.toJSON(),e}static get className(){return"MoveOperation"}static fromJSON(e,t){const n=ya.fromJSON(e.sourcePosition,t),i=ya.fromJSON(e.targetPosition,t);return new this(n,e.howMany,i,e.baseVersion)}}class il extends Kc{constructor(e,t,n){super(n),this.position=e.clone(),this.position.stickiness="toNone",this.nodes=new ma(Yc(t)),this.shouldReceiveAttributes=!1}get type(){return"insert"}get howMany(){return this.nodes.maxOffset}get affectedSelectable(){return this.position.clone()}clone(){const e=new ma([...this.nodes].map(e=>e._clone(!0))),t=new il(this.position,e,this.baseVersion);return t.shouldReceiveAttributes=this.shouldReceiveAttributes,t}getReversed(){const e=this.position.root.document.graveyard,t=new ya(e,[0]);return new nl(this.position,this.nodes.maxOffset,t,this.baseVersion+1)}_validate(){const e=this.position.parent;if(!e||e.maxOffset<this.position.offset)throw new p("insert-operation-position-invalid",this)}_execute(){const e=this.nodes;this.nodes=new ma([...e].map(e=>e._clone(!0))),Gc(this.position,e)}toJSON(){const e=super.toJSON();return e.position=this.position.toJSON(),e.nodes=this.nodes.toJSON(),e}static get className(){return"InsertOperation"}static fromJSON(e,t){const n=[];for(const t of e.nodes)t.name?n.push(wa.fromJSON(t)):n.push(ba.fromJSON(t));const i=new il(ya.fromJSON(e.position,t),n,e.baseVersion);return i.shouldReceiveAttributes=e.shouldReceiveAttributes,i}}class ol extends Kc{constructor(e,t,n,i,o){super(o),this.splitPosition=e.clone(),this.splitPosition.stickiness="toNext",this.howMany=t,this.insertionPosition=n,this.graveyardPosition=i?i.clone():null,this.graveyardPosition&&(this.graveyardPosition.stickiness="toNext")}get type(){return"split"}get moveTargetPosition(){const e=this.insertionPosition.path.slice();return e.push(0),new ya(this.insertionPosition.root,e)}get movedRange(){const e=this.splitPosition.getShiftedBy(Number.POSITIVE_INFINITY);return new Pa(this.splitPosition,e)}get affectedSelectable(){const e=[Pa._createFromPositionAndShift(this.splitPosition,0),Pa._createFromPositionAndShift(this.insertionPosition,0)];return this.graveyardPosition&&e.push(Pa._createFromPositionAndShift(this.graveyardPosition,0)),e}clone(){return new ol(this.splitPosition,this.howMany,this.insertionPosition,this.graveyardPosition,this.baseVersion)}getReversed(){const e=this.splitPosition.root.document.graveyard,t=new ya(e,[0]);return new rl(this.moveTargetPosition,this.howMany,this.splitPosition,t,this.baseVersion+1)}_validate(){const e=this.splitPosition.parent,t=this.splitPosition.offset;if(!e||e.maxOffset<t)throw new p("split-operation-position-invalid",this);if(!e.parent)throw new p("split-operation-split-in-root",this);if(this.howMany!=e.maxOffset-this.splitPosition.offset)throw new p("split-operation-how-many-invalid",this);if(this.graveyardPosition&&!this.graveyardPosition.nodeAfter)throw new p("split-operation-graveyard-position-invalid",this)}_execute(){const e=this.splitPosition.parent;if(this.graveyardPosition)Qc(Pa._createFromPositionAndShift(this.graveyardPosition,1),this.insertionPosition);else{const t=e._clone();Gc(this.insertionPosition,t)}Qc(new Pa(ya._createAt(e,this.splitPosition.offset),ya._createAt(e,e.maxOffset)),this.moveTargetPosition)}toJSON(){const e=super.toJSON();return e.splitPosition=this.splitPosition.toJSON(),e.insertionPosition=this.insertionPosition.toJSON(),this.graveyardPosition&&(e.graveyardPosition=this.graveyardPosition.toJSON()),e}static get className(){return"SplitOperation"}static getInsertionPosition(e){const t=e.path.slice(0,-1);return t[t.length-1]++,new ya(e.root,t,"toPrevious")}static fromJSON(e,t){const n=ya.fromJSON(e.splitPosition,t),i=ya.fromJSON(e.insertionPosition,t),o=e.graveyardPosition?ya.fromJSON(e.graveyardPosition,t):null;return new this(n,e.howMany,i,o,e.baseVersion)}}class rl extends Kc{constructor(e,t,n,i,o){super(o),this.sourcePosition=e.clone(),this.sourcePosition.stickiness="toPrevious",this.howMany=t,this.targetPosition=n.clone(),this.targetPosition.stickiness="toNext",this.graveyardPosition=i.clone()}get type(){return"merge"}get deletionPosition(){return new ya(this.sourcePosition.root,this.sourcePosition.path.slice(0,-1))}get movedRange(){const e=this.sourcePosition.getShiftedBy(Number.POSITIVE_INFINITY);return new Pa(this.sourcePosition,e)}get affectedSelectable(){const e=this.sourcePosition.parent;return[Pa._createOn(e),Pa._createFromPositionAndShift(this.targetPosition,0),Pa._createFromPositionAndShift(this.graveyardPosition,0)]}clone(){return new rl(this.sourcePosition,this.howMany,this.targetPosition,this.graveyardPosition,this.baseVersion)}getReversed(){const e=this.targetPosition._getTransformedByMergeOperation(this),t=this.sourcePosition.path.slice(0,-1),n=new ya(this.sourcePosition.root,t)._getTransformedByMergeOperation(this);return new ol(e,this.howMany,n,this.graveyardPosition,this.baseVersion+1)}_validate(){const e=this.sourcePosition.parent,t=this.targetPosition.parent;if(!e.parent)throw new p("merge-operation-source-position-invalid",this);if(!t.parent)throw new p("merge-operation-target-position-invalid",this);if(this.howMany!=e.maxOffset)throw new p("merge-operation-how-many-invalid",this)}_execute(){const e=this.sourcePosition.parent;Qc(Pa._createIn(e),this.targetPosition),Qc(Pa._createOn(e),this.graveyardPosition)}toJSON(){const e=super.toJSON();return e.sourcePosition=e.sourcePosition.toJSON(),e.targetPosition=e.targetPosition.toJSON(),e.graveyardPosition=e.graveyardPosition.toJSON(),e}static get className(){return"MergeOperation"}static fromJSON(e,t){const n=ya.fromJSON(e.sourcePosition,t),i=ya.fromJSON(e.targetPosition,t),o=ya.fromJSON(e.graveyardPosition,t);return new this(n,e.howMany,i,o,e.baseVersion)}}class sl extends Kc{constructor(e,t,n,i,o,r){super(r),this.name=e,this.oldRange=t?t.clone():null,this.newRange=n?n.clone():null,this.affectsData=o,this._markers=i}get type(){return"marker"}get affectedSelectable(){const e=[];return this.oldRange&&e.push(this.oldRange.clone()),this.newRange&&(this.oldRange?e.push(...this.newRange.getDifference(this.oldRange)):e.push(this.newRange.clone())),e}clone(){return new sl(this.name,this.oldRange,this.newRange,this._markers,this.affectsData,this.baseVersion)}getReversed(){return new sl(this.name,this.newRange,this.oldRange,this._markers,this.affectsData,this.baseVersion+1)}_execute(){this.newRange?this._markers._set(this.name,this.newRange,!0,this.affectsData):this._markers._remove(this.name)}toJSON(){const e=super.toJSON();return this.oldRange&&(e.oldRange=this.oldRange.toJSON()),this.newRange&&(e.newRange=this.newRange.toJSON()),delete e._markers,e}static get className(){return"MarkerOperation"}static fromJSON(e,t){return new sl(e.name,e.oldRange?Pa.fromJSON(e.oldRange,t):null,e.newRange?Pa.fromJSON(e.newRange,t):null,t.model.markers,e.affectsData,e.baseVersion)}}const al=function(e,t){return ea(e,t)};class cl extends Kc{constructor(e,t,n,i,o){super(o),this.range=e.clone(),this.key=t,this.oldValue=void 0===n?null:n,this.newValue=void 0===i?null:i}get type(){return null===this.oldValue?"addAttribute":null===this.newValue?"removeAttribute":"changeAttribute"}get affectedSelectable(){return this.range.clone()}clone(){return new cl(this.range,this.key,this.oldValue,this.newValue,this.baseVersion)}getReversed(){return new cl(this.range,this.key,this.newValue,this.oldValue,this.baseVersion+1)}toJSON(){const e=super.toJSON();return e.range=this.range.toJSON(),e}_validate(){if(!this.range.isFlat)throw new p("attribute-operation-range-not-flat",this);for(const e of this.range.getItems({shallow:!0})){if(null!==this.oldValue&&!al(e.getAttribute(this.key),this.oldValue))throw new p("attribute-operation-wrong-old-value",this,{item:e,key:this.key,value:this.oldValue});if(null===this.oldValue&&null!==this.newValue&&e.hasAttribute(this.key))throw new p("attribute-operation-attribute-exists",this,{node:e,key:this.key})}}_execute(){al(this.oldValue,this.newValue)||function(e,t,n){el(e.start),el(e.end);for(const i of e.getItems({shallow:!0})){const e=i.is("$textProxy")?i.textNode:i;null!==n?e._setAttribute(t,n):e._removeAttribute(t),Xc(e.parent,e.index)}Xc(e.end.parent,e.end.index)}(this.range,this.key,this.newValue)}static get className(){return"AttributeOperation"}static fromJSON(e,t){return new cl(Pa.fromJSON(e.range,t),e.key,e.oldValue,e.newValue,e.baseVersion)}}class ll extends Kc{get type(){return"noop"}get affectedSelectable(){return null}clone(){return new ll(this.baseVersion)}getReversed(){return new ll(this.baseVersion+1)}_execute(){}static get className(){return"NoOperation"}}class dl extends Kc{constructor(e,t,n,i){super(i),this.position=e,this.position.stickiness="toNext",this.oldName=t,this.newName=n}get type(){return"rename"}get affectedSelectable(){return this.position.nodeAfter}clone(){return new dl(this.position.clone(),this.oldName,this.newName,this.baseVersion)}getReversed(){return new dl(this.position.clone(),this.newName,this.oldName,this.baseVersion+1)}_validate(){const e=this.position.nodeAfter;if(!(e instanceof wa))throw new p("rename-operation-wrong-position",this);if(e.name!==this.oldName)throw new p("rename-operation-wrong-name",this)}_execute(){this.position.nodeAfter.name=this.newName}toJSON(){const e=super.toJSON();return e.position=this.position.toJSON(),e}static get className(){return"RenameOperation"}static fromJSON(e,t){return new dl(ya.fromJSON(e.position,t),e.oldName,e.newName,e.baseVersion)}}class hl extends Kc{constructor(e,t,n,i,o){super(o),this.root=e,this.key=t,this.oldValue=void 0===n?null:n,this.newValue=void 0===i?null:i}get type(){return null===this.oldValue?"addRootAttribute":null===this.newValue?"removeRootAttribute":"changeRootAttribute"}get affectedSelectable(){return this.root}clone(){return new hl(this.root,this.key,this.oldValue,this.newValue,this.baseVersion)}getReversed(){return new hl(this.root,this.key,this.newValue,this.oldValue,this.baseVersion+1)}_validate(){if(this.root!=this.root.root||this.root.is("documentFragment"))throw new p("rootattribute-operation-not-a-root",this,{root:this.root,key:this.key});if(null!==this.oldValue&&this.root.getAttribute(this.key)!==this.oldValue)throw new p("rootattribute-operation-wrong-old-value",this,{root:this.root,key:this.key});if(null===this.oldValue&&null!==this.newValue&&this.root.hasAttribute(this.key))throw new p("rootattribute-operation-attribute-exists",this,{root:this.root,key:this.key})}_execute(){null!==this.newValue?this.root._setAttribute(this.key,this.newValue):this.root._removeAttribute(this.key)}toJSON(){const e=super.toJSON();return e.root=this.root.toJSON(),e}static get className(){return"RootAttributeOperation"}static fromJSON(e,t){if(!t.getRoot(e.root))throw new p("rootattribute-operation-fromjson-no-root",this,{rootName:e.root});return new hl(t.getRoot(e.root),e.key,e.oldValue,e.newValue,e.baseVersion)}}class ul extends Kc{constructor(e,t,n,i,o){super(o),this.rootName=e,this.elementName=t,this.isAdd=n,this._document=i,this._document.getRoot(this.rootName)||(this._document.createRoot(this.elementName,this.rootName)._isAttached=!1)}get type(){return this.isAdd?"addRoot":"detachRoot"}get affectedSelectable(){return this._document.getRoot(this.rootName)}clone(){return new ul(this.rootName,this.elementName,this.isAdd,this._document,this.baseVersion)}getReversed(){return new ul(this.rootName,this.elementName,!this.isAdd,this._document,this.baseVersion+1)}_execute(){this._document.getRoot(this.rootName)._isAttached=this.isAdd}toJSON(){const e=super.toJSON();return delete e._document,e}static get className(){return"RootOperation"}static fromJSON(e,t){return new ul(e.rootName,e.elementName,e.isAdd,t,e.baseVersion)}}const fl={};fl[cl.className]=cl,fl[il.className]=il,fl[sl.className]=sl,fl[nl.className]=nl,fl[ll.className]=ll,fl[Kc.className]=Kc,fl[dl.className]=dl,fl[hl.className]=hl,fl[ul.className]=ul,fl[ol.className]=ol,fl[rl.className]=rl;class gl{static fromJSON(e,t){return fl[e.__className].fromJSON(e,t)}}const pl=new Map;function ml(e,t,n){let i=pl.get(e);i||(i=new Map,pl.set(e,i)),i.set(t,n)}function bl(e){return[e]}function kl(e,t,n={}){const i=function(e,t){const n=pl.get(e);return n&&n.has(t)?n.get(t):bl}(e.constructor,t.constructor);try{return i(e=e.clone(),t,n)}catch(e){throw e}}function wl(e,t,n){e=e.slice(),t=t.slice();const i=new _l(n.document,n.useRelations,n.forceWeakRemove);i.setOriginalOperations(e),i.setOriginalOperations(t);const o=i.originalOperations;if(0==e.length||0==t.length)return{operationsA:e,operationsB:t,originalOperations:o};const r=new WeakMap;for(const t of e)r.set(t,0);const s={nextBaseVersionA:e[e.length-1].baseVersion+1,nextBaseVersionB:t[t.length-1].baseVersion+1,originalOperationsACount:e.length,originalOperationsBCount:t.length};let a=0;for(;a<e.length;){const n=e[a],o=r.get(n);if(o==t.length){a++;continue}const s=t[o],c=kl(n,s,i.getContext(n,s,!0)),l=kl(s,n,i.getContext(s,n,!1));i.updateRelation(n,s),i.setOriginalOperations(c,n),i.setOriginalOperations(l,s);for(const e of c)r.set(e,o+l.length);e.splice(a,1,...c),t.splice(o,1,...l)}if(n.padWithNoOps){const n=e.length-s.originalOperationsACount,i=t.length-s.originalOperationsBCount;yl(e,i-n),yl(t,n-i)}return vl(e,s.nextBaseVersionB),vl(t,s.nextBaseVersionA),{operationsA:e,operationsB:t,originalOperations:o}}class _l{constructor(e,t,n=!1){this.originalOperations=new Map,this._history=e.history,this._useRelations=t,this._forceWeakRemove=!!n,this._relations=new Map}setOriginalOperations(e,t=null){const n=t?this.originalOperations.get(t):null;for(const t of e)this.originalOperations.set(t,n||t)}updateRelation(e,t){if(e instanceof nl)t instanceof rl?e.targetPosition.isEqual(t.sourcePosition)||t.movedRange.containsPosition(e.targetPosition)?this._setRelation(e,t,"insertAtSource"):e.targetPosition.isEqual(t.deletionPosition)?this._setRelation(e,t,"insertBetween"):e.targetPosition.isAfter(t.sourcePosition)&&this._setRelation(e,t,"moveTargetAfter"):t instanceof nl&&(e.targetPosition.isEqual(t.sourcePosition)||e.targetPosition.isBefore(t.sourcePosition)?this._setRelation(e,t,"insertBefore"):this._setRelation(e,t,"insertAfter"));else if(e instanceof ol){if(t instanceof rl)e.splitPosition.isBefore(t.sourcePosition)&&this._setRelation(e,t,"splitBefore");else if(t instanceof nl)if(e.splitPosition.isEqual(t.sourcePosition)||e.splitPosition.isBefore(t.sourcePosition))this._setRelation(e,t,"splitBefore");else{const n=Pa._createFromPositionAndShift(t.sourcePosition,t.howMany);if(e.splitPosition.hasSameParentAs(t.sourcePosition)&&n.containsPosition(e.splitPosition)){const i=n.end.offset-e.splitPosition.offset,o=e.splitPosition.offset-n.start.offset;this._setRelation(e,t,{howMany:i,offset:o})}}}else if(e instanceof rl)t instanceof rl?(e.targetPosition.isEqual(t.sourcePosition)||this._setRelation(e,t,"mergeTargetNotMoved"),e.sourcePosition.isEqual(t.targetPosition)&&this._setRelation(e,t,"mergeSourceNotMoved"),e.sourcePosition.isEqual(t.sourcePosition)&&this._setRelation(e,t,"mergeSameElement")):t instanceof ol?e.sourcePosition.isEqual(t.splitPosition)&&this._setRelation(e,t,"splitAtSource"):t instanceof nl&&t.howMany>0&&(e.sourcePosition.isEqual(t.sourcePosition.getShiftedBy(t.howMany))&&this._setRelation(e,t,"mergeSourceAffected"),e.targetPosition.isEqual(t.sourcePosition)&&this._setRelation(e,t,"mergeTargetWasBefore"));else if(e instanceof sl){const n=e.newRange;if(!n)return;if(t instanceof nl){const i=Pa._createFromPositionAndShift(t.sourcePosition,t.howMany),o=i.containsPosition(n.start)||i.start.isEqual(n.start),r=i.containsPosition(n.end)||i.end.isEqual(n.end);!o&&!r||i.containsRange(n)||this._setRelation(e,t,{side:o?"left":"right",path:o?n.start.path.slice():n.end.path.slice()})}else if(t instanceof rl){const i=n.start.isEqual(t.targetPosition),o=n.start.isEqual(t.deletionPosition),r=n.end.isEqual(t.deletionPosition),s=n.end.isEqual(t.sourcePosition);(i||o||r||s)&&this._setRelation(e,t,{wasInLeftElement:i,wasStartBeforeMergedElement:o,wasEndBeforeMergedElement:r,wasInRightElement:s})}}}getContext(e,t,n){return{aIsStrong:n,aWasUndone:this._wasUndone(e),bWasUndone:this._wasUndone(t),abRelation:this._useRelations?this._getRelation(e,t):null,baRelation:this._useRelations?this._getRelation(t,e):null,forceWeakRemove:this._forceWeakRemove}}_wasUndone(e){const t=this.originalOperations.get(e);return t.wasUndone||this._history.isUndoneOperation(t)}_getRelation(e,t){const n=this.originalOperations.get(t),i=this._history.getUndoneOperation(n);if(!i)return null;const o=this.originalOperations.get(e),r=this._relations.get(o);return r&&r.get(i)||null}_setRelation(e,t,n){const i=this.originalOperations.get(e),o=this.originalOperations.get(t);let r=this._relations.get(i);r||(r=new Map,this._relations.set(i,r)),r.set(o,n)}}function vl(e,t){for(const n of e)n.baseVersion=t++}function yl(e,t){for(let n=0;n<t;n++)e.push(new ll(0))}function xl(e,t,n){const i=e.nodes.getNode(0).getAttribute(t);if(i==n)return null;const o=new Pa(e.position,e.position.getShiftedBy(e.howMany));return new cl(o,t,i,n,0)}function Al(e,t){return null===e.targetPosition._getTransformedByDeletion(t.sourcePosition,t.howMany)}function Cl(e,t){const n=[];for(let i=0;i<e.length;i++){const o=e[i],r=new nl(o.start,o.end.offset-o.start.offset,t,0);n.push(r);for(let t=i+1;t<e.length;t++)e[t]=e[t]._getTransformedByMove(r.sourcePosition,r.targetPosition,r.howMany)[0];t=t._getTransformedByMove(r.sourcePosition,r.targetPosition,r.howMany)}return n}ml(cl,cl,(e,t,n)=>{if(e.key===t.key&&e.range.start.hasSameParentAs(t.range.start)){const i=e.range.getDifference(t.range).map(t=>new cl(t,e.key,e.oldValue,e.newValue,0)),o=e.range.getIntersection(t.range);return o&&n.aIsStrong&&i.push(new cl(o,t.key,t.newValue,e.newValue,0)),0==i.length?[new ll(0)]:i}return[e]}),ml(cl,il,(e,t)=>{if(e.range.start.hasSameParentAs(t.position)&&e.range.containsPosition(t.position)){const n=e.range._getTransformedByInsertion(t.position,t.howMany,!t.shouldReceiveAttributes).map(t=>new cl(t,e.key,e.oldValue,e.newValue,e.baseVersion));if(t.shouldReceiveAttributes){const i=xl(t,e.key,e.oldValue);i&&n.unshift(i)}return n}return e.range=e.range._getTransformedByInsertion(t.position,t.howMany,!1)[0],[e]}),ml(cl,rl,(e,t)=>{const n=[];e.range.start.hasSameParentAs(t.deletionPosition)&&(e.range.containsPosition(t.deletionPosition)||e.range.start.isEqual(t.deletionPosition))&&n.push(Pa._createFromPositionAndShift(t.graveyardPosition,1));const i=e.range._getTransformedByMergeOperation(t);return i.isCollapsed||n.push(i),n.map(t=>new cl(t,e.key,e.oldValue,e.newValue,e.baseVersion))}),ml(cl,nl,(e,t)=>{const n=function(e,t){const n=Pa._createFromPositionAndShift(t.sourcePosition,t.howMany);let i=null,o=[];n.containsRange(e,!0)?i=e:e.start.hasSameParentAs(n.start)?(o=e.getDifference(n),i=e.getIntersection(n)):o=[e];const r=[];for(let e of o){e=e._getTransformedByDeletion(t.sourcePosition,t.howMany);const n=t.getMovedRangeStart(),i=e.start.hasSameParentAs(n),o=e._getTransformedByInsertion(n,t.howMany,i);r.push(...o)}return i&&r.push(i._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany,!1)[0]),r}(e.range,t);return n.map(t=>new cl(t,e.key,e.oldValue,e.newValue,e.baseVersion))}),ml(cl,ol,(e,t)=>{if(e.range.end.isEqual(t.insertionPosition))return t.graveyardPosition||e.range.end.offset++,[e];if(e.range.start.hasSameParentAs(t.splitPosition)&&e.range.containsPosition(t.splitPosition)){const n=e.clone();return n.range=new Pa(t.moveTargetPosition.clone(),e.range.end._getCombined(t.splitPosition,t.moveTargetPosition)),e.range.end=t.splitPosition.clone(),e.range.end.stickiness="toPrevious",[e,n]}return e.range=e.range._getTransformedBySplitOperation(t),[e]}),ml(il,cl,(e,t)=>{const n=[e];if(e.shouldReceiveAttributes&&e.position.hasSameParentAs(t.range.start)&&t.range.containsPosition(e.position)){const i=xl(e,t.key,t.newValue);i&&n.push(i)}return n}),ml(il,il,(e,t,n)=>(e.position.isEqual(t.position)&&n.aIsStrong||(e.position=e.position._getTransformedByInsertOperation(t)),[e])),ml(il,nl,(e,t)=>(e.position=e.position._getTransformedByMoveOperation(t),[e])),ml(il,ol,(e,t)=>(e.position=e.position._getTransformedBySplitOperation(t),[e])),ml(il,rl,(e,t)=>(e.position=e.position._getTransformedByMergeOperation(t),[e])),ml(sl,il,(e,t)=>(e.oldRange&&(e.oldRange=e.oldRange._getTransformedByInsertOperation(t)[0]),e.newRange&&(e.newRange=e.newRange._getTransformedByInsertOperation(t)[0]),[e])),ml(sl,sl,(e,t,n)=>{if(e.name==t.name){if(!n.aIsStrong)return[new 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i=e.newRange._getTransformedBySplitOperation(t);return e.newRange.start.isEqual(t.splitPosition)&&n.abRelation.wasStartBeforeMergedElement?e.newRange.start=ya._createAt(t.insertionPosition):e.newRange.start.isEqual(t.splitPosition)&&!n.abRelation.wasInLeftElement&&(e.newRange.start=ya._createAt(t.moveTargetPosition)),e.newRange.end.isEqual(t.splitPosition)&&n.abRelation.wasInRightElement?e.newRange.end=ya._createAt(t.moveTargetPosition):e.newRange.end.isEqual(t.splitPosition)&&n.abRelation.wasEndBeforeMergedElement?e.newRange.end=ya._createAt(t.insertionPosition):e.newRange.end=i.end,[e]}e.newRange=e.newRange._getTransformedBySplitOperation(t)}return[e]}),ml(rl,il,(e,t)=>(e.sourcePosition.hasSameParentAs(t.position)&&(e.howMany+=t.howMany),e.sourcePosition=e.sourcePosition._getTransformedByInsertOperation(t),e.targetPosition=e.targetPosition._getTransformedByInsertOperation(t),[e])),ml(rl,rl,(e,t,n)=>{if(e.sourcePosition.isEqual(t.sourcePosition)&&e.targetPosition.isEqual(t.targetPosition)){if(n.bWasUndone){const n=t.graveyardPosition.path.slice();return n.push(0),e.sourcePosition=new ya(t.graveyardPosition.root,n),e.howMany=0,[e]}return[new ll(0)]}if(e.sourcePosition.isEqual(t.sourcePosition)&&!e.targetPosition.isEqual(t.targetPosition)&&!n.bWasUndone&&"splitAtSource"!=n.abRelation){const i="$graveyard"==e.targetPosition.root.rootName,o="$graveyard"==t.targetPosition.root.rootName;if(o&&!i||(!i||o)&&n.aIsStrong){const n=t.targetPosition._getTransformedByMergeOperation(t),i=e.targetPosition._getTransformedByMergeOperation(t);return[new nl(n,e.howMany,i,0)]}return[new ll(0)]}return e.sourcePosition.hasSameParentAs(t.targetPosition)&&(e.howMany+=t.howMany),e.sourcePosition=e.sourcePosition._getTransformedByMergeOperation(t),e.targetPosition=e.targetPosition._getTransformedByMergeOperation(t),e.graveyardPosition.isEqual(t.graveyardPosition)&&n.aIsStrong||(e.graveyardPosition=e.graveyardPosition._getTransformedByMergeOperation(t)),[e]}),ml(rl,nl,(e,t,n)=>{const i=Pa._createFromPositionAndShift(t.sourcePosition,t.howMany);return"remove"==t.type&&!n.bWasUndone&&!n.forceWeakRemove&&e.deletionPosition.hasSameParentAs(t.sourcePosition)&&i.containsPosition(e.sourcePosition)?[new ll(0)]:(t.sourcePosition.getShiftedBy(t.howMany).isEqual(e.sourcePosition)?e.sourcePosition.stickiness="toNone":t.targetPosition.isEqual(e.sourcePosition)&&"mergeSourceAffected"==n.abRelation?e.sourcePosition.stickiness="toNext":t.sourcePosition.isEqual(e.targetPosition)?(e.targetPosition.stickiness="toNone",e.howMany-=t.howMany):t.targetPosition.isEqual(e.targetPosition)&&"mergeTargetWasBefore"==n.abRelation?(e.targetPosition.stickiness="toPrevious",e.howMany+=t.howMany):(e.sourcePosition.hasSameParentAs(t.targetPosition)&&(e.howMany+=t.howMany),e.sourcePosition.hasSameParentAs(t.sourcePosition)&&(e.howMany-=t.howMany)),e.sourcePosition=e.sourcePosition._getTransformedByMoveOperation(t),e.targetPosition=e.targetPosition._getTransformedByMoveOperation(t),e.sourcePosition.stickiness="toPrevious",e.targetPosition.stickiness="toNext",e.graveyardPosition.isEqual(t.targetPosition)||(e.graveyardPosition=e.graveyardPosition._getTransformedByMoveOperation(t)),[e])}),ml(rl,ol,(e,t,n)=>{if(t.graveyardPosition&&(e.graveyardPosition=e.graveyardPosition._getTransformedByDeletion(t.graveyardPosition,1),e.deletionPosition.isEqual(t.graveyardPosition)&&(e.howMany=t.howMany)),e.targetPosition.isEqual(t.splitPosition)){const i=0!=t.howMany,o=t.graveyardPosition&&e.deletionPosition.isEqual(t.graveyardPosition);if(i||o||"mergeTargetNotMoved"==n.abRelation)return e.sourcePosition=e.sourcePosition._getTransformedBySplitOperation(t),[e]}if(e.sourcePosition.isEqual(t.splitPosition)){if("mergeSourceNotMoved"==n.abRelation)return e.howMany=0,e.targetPosition=e.targetPosition._getTransformedBySplitOperation(t),[e];if("mergeSameElement"==n.abRelation||e.sourcePosition.offset>0)return e.sourcePosition=t.moveTargetPosition.clone(),e.targetPosition=e.targetPosition._getTransformedBySplitOperation(t),[e]}return e.sourcePosition.hasSameParentAs(t.splitPosition)&&(e.howMany=t.splitPosition.offset),e.sourcePosition=e.sourcePosition._getTransformedBySplitOperation(t),e.targetPosition=e.targetPosition._getTransformedBySplitOperation(t),[e]}),ml(nl,il,(e,t)=>{const n=Pa._createFromPositionAndShift(e.sourcePosition,e.howMany)._getTransformedByInsertOperation(t,!1)[0];return e.sourcePosition=n.start,e.howMany=n.end.offset-n.start.offset,e.targetPosition.isEqual(t.position)||(e.targetPosition=e.targetPosition._getTransformedByInsertOperation(t)),[e]}),ml(nl,nl,(e,t,n)=>{const i=Pa._createFromPositionAndShift(e.sourcePosition,e.howMany),o=Pa._createFromPositionAndShift(t.sourcePosition,t.howMany);let r,s=n.aIsStrong,a=!n.aIsStrong;if("insertBefore"==n.abRelation||"insertAfter"==n.baRelation?a=!0:"insertAfter"!=n.abRelation&&"insertBefore"!=n.baRelation||(a=!1),r=e.targetPosition.isEqual(t.targetPosition)&&a?e.targetPosition._getTransformedByDeletion(t.sourcePosition,t.howMany):e.targetPosition._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany),Al(e,t)&&Al(t,e))return[t.getReversed()];if(i.containsPosition(t.targetPosition)&&i.containsRange(o,!0))return i.start=i.start._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany),i.end=i.end._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany),Cl([i],r);if(o.containsPosition(e.targetPosition)&&o.containsRange(i,!0))return i.start=i.start._getCombined(t.sourcePosition,t.getMovedRangeStart()),i.end=i.end._getCombined(t.sourcePosition,t.getMovedRangeStart()),Cl([i],r);const c=Z(e.sourcePosition.getParentPath(),t.sourcePosition.getParentPath());if("prefix"==c||"extension"==c)return i.start=i.start._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany),i.end=i.end._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany),Cl([i],r);"remove"!=e.type||"remove"==t.type||n.aWasUndone||n.forceWeakRemove?"remove"==e.type||"remove"!=t.type||n.bWasUndone||n.forceWeakRemove||(s=!1):s=!0;const l=[],d=i.getDifference(o);for(const e of d){e.start=e.start._getTransformedByDeletion(t.sourcePosition,t.howMany),e.end=e.end._getTransformedByDeletion(t.sourcePosition,t.howMany);const n="same"==Z(e.start.getParentPath(),t.getMovedRangeStart().getParentPath()),i=e._getTransformedByInsertion(t.getMovedRangeStart(),t.howMany,n);l.push(...i)}const h=i.getIntersection(o);return null!==h&&s&&(h.start=h.start._getCombined(t.sourcePosition,t.getMovedRangeStart()),h.end=h.end._getCombined(t.sourcePosition,t.getMovedRangeStart()),0===l.length?l.push(h):1==l.length?o.start.isBefore(i.start)||o.start.isEqual(i.start)?l.unshift(h):l.push(h):l.splice(1,0,h)),0===l.length?[new ll(e.baseVersion)]:Cl(l,r)}),ml(nl,ol,(e,t,n)=>{let i=e.targetPosition.clone();e.targetPosition.isEqual(t.insertionPosition)&&t.graveyardPosition&&"moveTargetAfter"!=n.abRelation||(i=e.targetPosition._getTransformedBySplitOperation(t));const o=Pa._createFromPositionAndShift(e.sourcePosition,e.howMany);if(o.end.isEqual(t.insertionPosition))return t.graveyardPosition||e.howMany++,e.targetPosition=i,[e];if(o.start.hasSameParentAs(t.splitPosition)&&o.containsPosition(t.splitPosition)){let e=new Pa(t.splitPosition,o.end);return e=e._getTransformedBySplitOperation(t),Cl([new Pa(o.start,t.splitPosition),e],i)}e.targetPosition.isEqual(t.splitPosition)&&"insertAtSource"==n.abRelation&&(i=t.moveTargetPosition),e.targetPosition.isEqual(t.insertionPosition)&&"insertBetween"==n.abRelation&&(i=e.targetPosition);const r=[o._getTransformedBySplitOperation(t)];if(t.graveyardPosition){const i=o.start.isEqual(t.graveyardPosition)||o.containsPosition(t.graveyardPosition);e.howMany>1&&i&&!n.aWasUndone&&r.push(Pa._createFromPositionAndShift(t.insertionPosition,1))}return Cl(r,i)}),ml(nl,rl,(e,t,n)=>{const i=Pa._createFromPositionAndShift(e.sourcePosition,e.howMany);if(t.deletionPosition.hasSameParentAs(e.sourcePosition)&&i.containsPosition(t.sourcePosition))if("remove"!=e.type||n.forceWeakRemove){if(1==e.howMany)return n.bWasUndone?(e.sourcePosition=t.graveyardPosition.clone(),e.targetPosition=e.targetPosition._getTransformedByMergeOperation(t),[e]):[new ll(0)]}else if(!n.aWasUndone){const n=[];let i=t.graveyardPosition.clone(),o=t.targetPosition._getTransformedByMergeOperation(t);e.howMany>1&&(n.push(new nl(e.sourcePosition,e.howMany-1,e.targetPosition,0)),i=i._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany-1),o=o._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany-1));const r=t.deletionPosition._getCombined(e.sourcePosition,e.targetPosition),s=new nl(i,1,r,0),a=s.getMovedRangeStart().path.slice();a.push(0);const c=new ya(s.targetPosition.root,a);o=o._getTransformedByMove(i,r,1);const l=new nl(o,t.howMany,c,0);return n.push(s),n.push(l),n}const o=Pa._createFromPositionAndShift(e.sourcePosition,e.howMany)._getTransformedByMergeOperation(t);return e.sourcePosition=o.start,e.howMany=o.end.offset-o.start.offset,e.targetPosition=e.targetPosition._getTransformedByMergeOperation(t),[e]}),ml(dl,il,(e,t)=>(e.position=e.position._getTransformedByInsertOperation(t),[e])),ml(dl,rl,(e,t)=>e.position.isEqual(t.deletionPosition)?(e.position=t.graveyardPosition.clone(),e.position.stickiness="toNext",[e]):(e.position=e.position._getTransformedByMergeOperation(t),[e])),ml(dl,nl,(e,t)=>(e.position=e.position._getTransformedByMoveOperation(t),[e])),ml(dl,dl,(e,t,n)=>{if(e.position.isEqual(t.position)){if(!n.aIsStrong)return[new ll(0)];e.oldName=t.newName}return[e]}),ml(dl,ol,(e,t)=>{if("same"==Z(e.position.path,t.splitPosition.getParentPath())&&!t.graveyardPosition){const t=new dl(e.position.getShiftedBy(1),e.oldName,e.newName,0);return[e,t]}return e.position=e.position._getTransformedBySplitOperation(t),[e]}),ml(hl,hl,(e,t,n)=>{if(e.root===t.root&&e.key===t.key){if(!n.aIsStrong||e.newValue===t.newValue)return[new ll(0)];e.oldValue=t.newValue}return[e]}),ml(ul,ul,(e,t)=>e.rootName===t.rootName&&e.isAdd===t.isAdd?[new ll(0)]:[e]),ml(ol,il,(e,t)=>(e.splitPosition.hasSameParentAs(t.position)&&e.splitPosition.offset<t.position.offset&&(e.howMany+=t.howMany),e.splitPosition=e.splitPosition._getTransformedByInsertOperation(t),e.insertionPosition=e.insertionPosition._getTransformedByInsertOperation(t),[e])),ml(ol,rl,(e,t,n)=>{if(!e.graveyardPosition&&!n.bWasUndone&&e.splitPosition.hasSameParentAs(t.sourcePosition)){const n=t.graveyardPosition.path.slice();n.push(0);const i=new ya(t.graveyardPosition.root,n),o=ol.getInsertionPosition(new ya(t.graveyardPosition.root,n)),r=new ol(i,0,o,null,0);return e.splitPosition=e.splitPosition._getTransformedByMergeOperation(t),e.insertionPosition=ol.getInsertionPosition(e.splitPosition),e.graveyardPosition=r.insertionPosition.clone(),e.graveyardPosition.stickiness="toNext",[r,e]}return e.splitPosition.hasSameParentAs(t.deletionPosition)&&!e.splitPosition.isAfter(t.deletionPosition)&&e.howMany--,e.splitPosition.hasSameParentAs(t.targetPosition)&&(e.howMany+=t.howMany),e.splitPosition=e.splitPosition._getTransformedByMergeOperation(t),e.insertionPosition=ol.getInsertionPosition(e.splitPosition),e.graveyardPosition&&(e.graveyardPosition=e.graveyardPosition._getTransformedByMergeOperation(t)),[e]}),ml(ol,nl,(e,t,n)=>{const i=Pa._createFromPositionAndShift(t.sourcePosition,t.howMany);if(e.graveyardPosition){const o=i.start.isEqual(e.graveyardPosition)||i.containsPosition(e.graveyardPosition);if(!n.bWasUndone&&o){const n=e.splitPosition._getTransformedByMoveOperation(t),i=e.graveyardPosition._getTransformedByMoveOperation(t),o=i.path.slice();o.push(0);const r=new ya(i.root,o);return[new nl(n,e.howMany,r,0)]}e.graveyardPosition=e.graveyardPosition._getTransformedByMoveOperation(t)}const o=e.splitPosition.isEqual(t.targetPosition);if(o&&("insertAtSource"==n.baRelation||"splitBefore"==n.abRelation))return e.howMany+=t.howMany,e.splitPosition=e.splitPosition._getTransformedByDeletion(t.sourcePosition,t.howMany),e.insertionPosition=ol.getInsertionPosition(e.splitPosition),[e];if(o&&n.abRelation&&n.abRelation.howMany){const{howMany:t,offset:i}=n.abRelation;return e.howMany+=t,e.splitPosition=e.splitPosition.getShiftedBy(i),[e]}if(e.splitPosition.hasSameParentAs(t.sourcePosition)&&i.containsPosition(e.splitPosition)){const n=t.howMany-(e.splitPosition.offset-t.sourcePosition.offset);return e.howMany-=n,e.splitPosition.hasSameParentAs(t.targetPosition)&&e.splitPosition.offset<t.targetPosition.offset&&(e.howMany+=t.howMany),e.splitPosition=t.sourcePosition.clone(),e.insertionPosition=ol.getInsertionPosition(e.splitPosition),[e]}return t.sourcePosition.isEqual(t.targetPosition)||(e.splitPosition.hasSameParentAs(t.sourcePosition)&&e.splitPosition.offset<=t.sourcePosition.offset&&(e.howMany-=t.howMany),e.splitPosition.hasSameParentAs(t.targetPosition)&&e.splitPosition.offset<t.targetPosition.offset&&(e.howMany+=t.howMany)),e.splitPosition.stickiness="toNone",e.splitPosition=e.splitPosition._getTransformedByMoveOperation(t),e.splitPosition.stickiness="toNext",e.graveyardPosition?e.insertionPosition=e.insertionPosition._getTransformedByMoveOperation(t):e.insertionPosition=ol.getInsertionPosition(e.splitPosition),[e]}),ml(ol,ol,(e,t,n)=>{if(e.splitPosition.isEqual(t.splitPosition)){if(!e.graveyardPosition&&!t.graveyardPosition)return[new ll(0)];if(e.graveyardPosition&&t.graveyardPosition&&e.graveyardPosition.isEqual(t.graveyardPosition))return[new ll(0)];if("splitBefore"==n.abRelation)return e.howMany=0,e.graveyardPosition=e.graveyardPosition._getTransformedBySplitOperation(t),[e]}if(e.graveyardPosition&&t.graveyardPosition&&e.graveyardPosition.isEqual(t.graveyardPosition)){const i="$graveyard"==e.splitPosition.root.rootName,o="$graveyard"==t.splitPosition.root.rootName;if(o&&!i||(!i||o)&&n.aIsStrong){const n=[];return t.howMany&&n.push(new nl(t.moveTargetPosition,t.howMany,t.splitPosition,0)),e.howMany&&n.push(new nl(e.splitPosition,e.howMany,e.moveTargetPosition,0)),n}return[new ll(0)]}if(e.graveyardPosition&&(e.graveyardPosition=e.graveyardPosition._getTransformedBySplitOperation(t)),e.splitPosition.isEqual(t.insertionPosition)&&"splitBefore"==n.abRelation)return e.howMany++,[e];if(t.splitPosition.isEqual(e.insertionPosition)&&"splitBefore"==n.baRelation){const n=t.insertionPosition.path.slice();n.push(0);const i=new ya(t.insertionPosition.root,n);return[e,new nl(e.insertionPosition,1,i,0)]}return e.splitPosition.hasSameParentAs(t.splitPosition)&&e.splitPosition.offset<t.splitPosition.offset&&(e.howMany-=t.howMany),e.splitPosition=e.splitPosition._getTransformedBySplitOperation(t),e.insertionPosition=ol.getInsertionPosition(e.splitPosition),[e]});class El extends(x(ya)){constructor(e,t,n="toNone"){if(super(e,t,n),!this.root.is("rootElement"))throw new p("model-liveposition-root-not-rootelement",e);Tl.call(this)}detach(){this.stopListening()}toPosition(){return new ya(this.root,this.path.slice(),this.stickiness)}static fromPosition(e,t){return new this(e.root,e.path.slice(),t||e.stickiness)}}function Tl(){this.listenTo(this.root.document.model,"applyOperation",(e,t)=>{const n=t[0];n.isDocumentOperation&&Pl.call(this,n)},{priority:"low"})}function Pl(e){const t=this.getTransformedByOperation(e);if(!this.isEqual(t)){const e=this.toPosition();this.path=t.path,this.root=t.root,this.fire("change",e)}}El.prototype.is=function(e){return"livePosition"===e||"model:livePosition"===e||"position"==e||"model:position"===e};class Sl{constructor(e={}){"string"==typeof e&&(e="transparent"===e?{isUndoable:!1}:{},m("batch-constructor-deprecated-string-type"));const{isUndoable:t=!0,isLocal:n=!0,isUndo:i=!1,isTyping:o=!1}=e;this.operations=[],this.isUndoable=t,this.isLocal=n,this.isUndo=i,this.isTyping=o}get type(){return m("batch-type-deprecated"),"default"}get baseVersion(){for(const e of this.operations)if(null!==e.baseVersion)return e.baseVersion;return null}addOperation(e){return e.batch=this,this.operations.push(e),e}}class Rl{constructor(e){this._changesInElement=new Map,this._elementSnapshots=new Map,this._changedMarkers=new Map,this._changedRoots=new Map,this._changeCount=0,this._cachedChanges=null,this._cachedChangesWithGraveyard=null,this._refreshedItems=new Set,this._markerCollection=e}get isEmpty(){return 0==this._changesInElement.size&&0==this._changedMarkers.size&&0==this._changedRoots.size}bufferOperation(e){const t=e;switch(t.type){case"insert":if(this._isInInsertedElement(t.position.parent))return;this._markInsert(t.position.parent,t.position.offset,t.nodes.maxOffset);break;case"addAttribute":case"removeAttribute":case"changeAttribute":for(const e of t.range.getItems({shallow:!0}))this._isInInsertedElement(e.parent)||this._markAttribute(e);break;case"remove":case"move":case"reinsert":{if(t.sourcePosition.isEqual(t.targetPosition)||t.sourcePosition.getShiftedBy(t.howMany).isEqual(t.targetPosition))return;const e=this._isInInsertedElement(t.sourcePosition.parent),n=this._isInInsertedElement(t.targetPosition.parent);e||this._markRemove(t.sourcePosition.parent,t.sourcePosition.offset,t.howMany),n||this._markInsert(t.targetPosition.parent,t.getMovedRangeStart().offset,t.howMany);break}case"rename":{if(this._isInInsertedElement(t.position.parent))return;this._markRemove(t.position.parent,t.position.offset,1),this._markInsert(t.position.parent,t.position.offset,1);const e=Pa._createFromPositionAndShift(t.position,1);for(const t of this._markerCollection.getMarkersIntersectingRange(e)){const e=t.getData();this.bufferMarkerChange(t.name,e,e)}break}case"split":{const e=t.splitPosition.parent;this._isInInsertedElement(e)||this._markRemove(e,t.splitPosition.offset,t.howMany),this._isInInsertedElement(t.insertionPosition.parent)||this._markInsert(t.insertionPosition.parent,t.insertionPosition.offset,1),t.graveyardPosition&&this._markRemove(t.graveyardPosition.parent,t.graveyardPosition.offset,1);break}case"merge":{const e=t.sourcePosition.parent;this._isInInsertedElement(e.parent)||this._markRemove(e.parent,e.startOffset,1);const n=t.graveyardPosition.parent;this._markInsert(n,t.graveyardPosition.offset,1);const i=t.targetPosition.parent;this._isInInsertedElement(i)||this._markInsert(i,t.targetPosition.offset,e.maxOffset);break}case"detachRoot":case"addRoot":{const e=t.affectedSelectable;if(!e._isLoaded)return;if(e.isAttached()==t.isAdd)return;this._bufferRootStateChange(t.rootName,t.isAdd);break}case"addRootAttribute":case"removeRootAttribute":case"changeRootAttribute":{if(!t.root._isLoaded)return;const e=t.root.rootName;this._bufferRootAttributeChange(e,t.key,t.oldValue,t.newValue);break}}this._cachedChanges=null}bufferMarkerChange(e,t,n){t.range&&t.range.root.is("rootElement")&&!t.range.root._isLoaded&&(t.range=null),n.range&&n.range.root.is("rootElement")&&!n.range.root._isLoaded&&(n.range=null);let i=this._changedMarkers.get(e);i?i.newMarkerData=n:(i={newMarkerData:n,oldMarkerData:t},this._changedMarkers.set(e,i)),null==i.oldMarkerData.range&&null==n.range&&this._changedMarkers.delete(e)}getMarkersToRemove(){const e=[];for(const[t,n]of this._changedMarkers)null!=n.oldMarkerData.range&&e.push({name:t,range:n.oldMarkerData.range});return e}getMarkersToAdd(){const e=[];for(const[t,n]of this._changedMarkers)null!=n.newMarkerData.range&&e.push({name:t,range:n.newMarkerData.range});return e}getChangedMarkers(){return Array.from(this._changedMarkers).map(([e,t])=>({name:e,data:{oldRange:t.oldMarkerData.range,newRange:t.newMarkerData.range}}))}hasDataChanges(){if(this._changesInElement.size>0)return!0;if(this._changedRoots.size>0)return!0;for(const{newMarkerData:e,oldMarkerData:t}of this._changedMarkers.values()){if(e.affectsData!==t.affectsData)return!0;if(e.affectsData){const n=e.range&&!t.range,i=!e.range&&t.range,o=e.range&&t.range&&!e.range.isEqual(t.range);if(n||i||o)return!0}}return!1}getChanges(e={}){if(this._cachedChanges)return e.includeChangesInGraveyard?this._cachedChangesWithGraveyard.slice():this._cachedChanges.slice();let t=[];for(const e of this._changesInElement.keys()){const n=this._changesInElement.get(e).sort((e,t)=>e.offset===t.offset?e.type!=t.type?"remove"==e.type?-1:1:0:e.offset<t.offset?-1:1),i=this._elementSnapshots.get(e),o=Il(e.getChildren()),r=Ol(i.length,n);let s=0,a=0;for(const n of r)if("i"===n)t.push(this._getInsertDiff(e,s,o[s])),s++;else if("r"===n)t.push(this._getRemoveDiff(e,s,i[a])),a++;else if("a"===n){const n=o[s].attributes,r=i[a].attributes;let c;if("$text"==o[s].name)c=new Pa(ya._createAt(e,s),ya._createAt(e,s+1));else{const t=e.offsetToIndex(s);c=new Pa(ya._createAt(e,s),ya._createAt(e.getChild(t),0))}t.push(...this._getAttributesDiff(c,r,n)),s++,a++}else s++,a++}t.sort((e,t)=>e.position.root!=t.position.root?e.position.root.rootName<t.position.root.rootName?-1:1:e.position.isEqual(t.position)?e.changeCount-t.changeCount:e.position.isBefore(t.position)?-1:1);for(let e=1,n=0;e<t.length;e++){const i=t[n],o=t[e],r="remove"==i.type&&"remove"==o.type&&"$text"==i.name&&"$text"==o.name&&i.position.isEqual(o.position),s="insert"==i.type&&"insert"==o.type&&"$text"==i.name&&"$text"==o.name&&i.position.parent==o.position.parent&&i.position.offset+i.length==o.position.offset,a="attribute"==i.type&&"attribute"==o.type&&i.position.parent==o.position.parent&&i.range.isFlat&&o.range.isFlat&&i.position.offset+i.length==o.position.offset&&i.attributeKey==o.attributeKey&&i.attributeOldValue==o.attributeOldValue&&i.attributeNewValue==o.attributeNewValue;r||s||a?(i.length++,a&&(i.range.end=i.range.end.getShiftedBy(1)),t[e]=null):n=e}t=t.filter(e=>e);for(const e of t)delete e.changeCount,"attribute"==e.type&&(delete e.position,delete e.length);return this._changeCount=0,this._cachedChangesWithGraveyard=t,this._cachedChanges=t.filter(Ml),e.includeChangesInGraveyard?this._cachedChangesWithGraveyard.slice():this._cachedChanges.slice()}getChangedRoots(){return Array.from(this._changedRoots.values()).map(e=>{const t={...e};return void 0!==t.state&&delete t.attributes,t})}getRefreshedItems(){return new Set(this._refreshedItems)}reset(){this._changesInElement.clear(),this._elementSnapshots.clear(),this._changedMarkers.clear(),this._changedRoots.clear(),this._refreshedItems=new Set,this._cachedChanges=null}_bufferRootStateChange(e,t){if(!this._changedRoots.has(e))return void this._changedRoots.set(e,{name:e,state:t?"attached":"detached"});const n=this._changedRoots.get(e);void 0!==n.state?(delete n.state,void 0===n.attributes&&this._changedRoots.delete(e)):n.state=t?"attached":"detached"}_bufferRootAttributeChange(e,t,n,i){const o=this._changedRoots.get(e)||{name:e},r=o.attributes||{};if(r[t]){const e=r[t];i===e.oldValue?delete r[t]:e.newValue=i}else r[t]={oldValue:n,newValue:i};0===Object.entries(r).length?(delete o.attributes,void 0===o.state&&this._changedRoots.delete(e)):(o.attributes=r,this._changedRoots.set(e,o))}_refreshItem(e){if(this._isInInsertedElement(e.parent))return;this._markRemove(e.parent,e.startOffset,e.offsetSize),this._markInsert(e.parent,e.startOffset,e.offsetSize),this._refreshedItems.add(e);const t=Pa._createOn(e);for(const e of this._markerCollection.getMarkersIntersectingRange(t)){const t=e.getData();this.bufferMarkerChange(e.name,t,t)}this._cachedChanges=null}_bufferRootLoad(e){if(e.isAttached()){this._bufferRootStateChange(e.rootName,!0),this._markInsert(e,0,e.maxOffset);for(const t of e.getAttributeKeys())this._bufferRootAttributeChange(e.rootName,t,null,e.getAttribute(t));for(const t of this._markerCollection)if(t.getRange().root==e){const e=t.getData();this.bufferMarkerChange(t.name,{...e,range:null},e)}}}_markInsert(e,t,n){if(e.root.is("rootElement")&&!e.root._isLoaded)return;const i={type:"insert",offset:t,howMany:n,count:this._changeCount++};this._markChange(e,i)}_markRemove(e,t,n){if(e.root.is("rootElement")&&!e.root._isLoaded)return;const i={type:"remove",offset:t,howMany:n,count:this._changeCount++};this._markChange(e,i),this._removeAllNestedChanges(e,t,n)}_markAttribute(e){if(e.root.is("rootElement")&&!e.root._isLoaded)return;const t={type:"attribute",offset:e.startOffset,howMany:e.offsetSize,count:this._changeCount++};this._markChange(e.parent,t)}_markChange(e,t){this._makeSnapshot(e);const n=this._getChangesForElement(e);this._handleChange(t,n),n.push(t);for(let e=0;e<n.length;e++)n[e].howMany<1&&(n.splice(e,1),e--)}_getChangesForElement(e){let t;return this._changesInElement.has(e)?t=this._changesInElement.get(e):(t=[],this._changesInElement.set(e,t)),t}_makeSnapshot(e){this._elementSnapshots.has(e)||this._elementSnapshots.set(e,Il(e.getChildren()))}_handleChange(e,t){e.nodesToHandle=e.howMany;for(const n of t){const i=e.offset+e.howMany,o=n.offset+n.howMany;if("insert"==e.type&&("insert"==n.type&&(e.offset<=n.offset?n.offset+=e.howMany:e.offset<o&&(n.howMany+=e.nodesToHandle,e.nodesToHandle=0)),"remove"==n.type&&e.offset<n.offset&&(n.offset+=e.howMany),"attribute"==n.type))if(e.offset<=n.offset)n.offset+=e.howMany;else if(e.offset<o){const o=n.howMany;n.howMany=e.offset-n.offset,t.unshift({type:"attribute",offset:i,howMany:o-n.howMany,count:this._changeCount++})}if("remove"==e.type){if("insert"==n.type)if(i<=n.offset)n.offset-=e.howMany;else if(i<=o)if(e.offset<n.offset){const t=i-n.offset;n.offset=e.offset,n.howMany-=t,e.nodesToHandle-=t}else n.howMany-=e.nodesToHandle,e.nodesToHandle=0;else if(e.offset<=n.offset)e.nodesToHandle-=n.howMany,n.howMany=0;else if(e.offset<o){const t=o-e.offset;n.howMany-=t,e.nodesToHandle-=t}if("remove"==n.type&&(i<=n.offset?n.offset-=e.howMany:e.offset<n.offset&&(e.nodesToHandle+=n.howMany,n.howMany=0)),"attribute"==n.type)if(i<=n.offset)n.offset-=e.howMany;else if(e.offset<n.offset){const t=i-n.offset;n.offset=e.offset,n.howMany-=t}else if(e.offset<o)if(i<=o){const i=n.howMany;n.howMany=e.offset-n.offset;const o=i-n.howMany-e.nodesToHandle;t.unshift({type:"attribute",offset:e.offset,howMany:o,count:this._changeCount++})}else n.howMany-=o-e.offset}if("attribute"==e.type){if("insert"==n.type)if(e.offset<n.offset&&i>n.offset){if(i>o){const e={type:"attribute",offset:o,howMany:i-o,count:this._changeCount++};this._handleChange(e,t),t.push(e)}e.nodesToHandle=n.offset-e.offset,e.howMany=e.nodesToHandle}else e.offset>=n.offset&&e.offset<o&&(i>o?(e.nodesToHandle=i-o,e.offset=o):e.nodesToHandle=0);if("remove"==n.type&&e.offset<n.offset&&i>n.offset){const o={type:"attribute",offset:n.offset,howMany:i-n.offset,count:this._changeCount++};this._handleChange(o,t),t.push(o),e.nodesToHandle=n.offset-e.offset,e.howMany=e.nodesToHandle}"attribute"==n.type&&(e.offset>=n.offset&&i<=o?(e.nodesToHandle=0,e.howMany=0,e.offset=0):e.offset<=n.offset&&i>=o&&(n.howMany=0))}}e.howMany=e.nodesToHandle,delete e.nodesToHandle}_getInsertDiff(e,t,n){return{type:"insert",position:ya._createAt(e,t),name:n.name,attributes:new Map(n.attributes),length:1,changeCount:this._changeCount++,_element:n.element}}_getRemoveDiff(e,t,n){return{type:"remove",position:ya._createAt(e,t),name:n.name,attributes:new Map(n.attributes),length:1,changeCount:this._changeCount++,_element:n.element}}_getAttributesDiff(e,t,n){const i=[];n=new Map(n);for(const[o,r]of t){const t=n.has(o)?n.get(o):null;t!==r&&i.push({type:"attribute",position:e.start,range:e.clone(),length:1,attributeKey:o,attributeOldValue:r,attributeNewValue:t,changeCount:this._changeCount++}),n.delete(o)}for(const[t,o]of n)i.push({type:"attribute",position:e.start,range:e.clone(),length:1,attributeKey:t,attributeOldValue:null,attributeNewValue:o,changeCount:this._changeCount++});return i}_isInInsertedElement(e){const t=e.parent;if(!t)return!1;const n=this._changesInElement.get(t),i=e.startOffset;if(n)for(const e of n)if("insert"==e.type&&i>=e.offset&&i<e.offset+e.howMany)return!0;return this._isInInsertedElement(t)}_removeAllNestedChanges(e,t,n){const i=new Pa(ya._createAt(e,t),ya._createAt(e,t+n));for(const e of i.getItems({shallow:!0}))e.is("element")&&(this._elementSnapshots.delete(e),this._changesInElement.delete(e),this._removeAllNestedChanges(e,0,e.maxOffset))}}function Il(e){const t=[];for(const n of e)if(n.is("$text"))for(let e=0;e<n.data.length;e++)t.push({name:"$text",attributes:new Map(n.getAttributes())});else t.push({name:n.name,attributes:new Map(n.getAttributes()),element:n});return t}function Ol(e,t){const n=[];let i=0,o=0;for(const e of t){if(e.offset>i){for(let t=0;t<e.offset-i;t++)n.push("e");o+=e.offset-i}if("insert"==e.type){for(let t=0;t<e.howMany;t++)n.push("i");i=e.offset+e.howMany}else if("remove"==e.type){for(let t=0;t<e.howMany;t++)n.push("r");i=e.offset,o+=e.howMany}else n.push(..."a".repeat(e.howMany).split("")),i=e.offset+e.howMany,o+=e.howMany}if(o<e)for(let t=0;t<e-o-i;t++)n.push("e");return n}function Ml(e){const t="position"in e&&"$graveyard"==e.position.root.rootName,n="range"in e&&"$graveyard"==e.range.root.rootName;return!t&&!n}class Vl{constructor(){this._operations=[],this._undoPairs=new Map,this._undoneOperations=new Set,this._baseVersionToOperationIndex=new Map,this._version=0,this._gaps=new Map}get version(){return this._version}set version(e){this._operations.length&&e>this._version+1&&this._gaps.set(this._version,e),this._version=e}get lastOperation(){return this._operations[this._operations.length-1]}addOperation(e){if(e.baseVersion!==this.version)throw new p("model-document-history-addoperation-incorrect-version",this,{operation:e,historyVersion:this.version});this._operations.push(e),this._version++,this._baseVersionToOperationIndex.set(e.baseVersion,this._operations.length-1)}getOperations(e,t=this.version){if(!this._operations.length)return[];const n=this._operations[0];void 0===e&&(e=n.baseVersion);let i=t-1;for(const[t,n]of this._gaps)e>t&&e<n&&(e=n),i>t&&i<n&&(i=t-1);if(i<n.baseVersion||e>this.lastOperation.baseVersion)return[];let o=this._baseVersionToOperationIndex.get(e);void 0===o&&(o=0);let r=this._baseVersionToOperationIndex.get(i);return void 0===r&&(r=this._operations.length-1),this._operations.slice(o,r+1)}getOperation(e){const t=this._baseVersionToOperationIndex.get(e);if(void 0!==t)return this._operations[t]}setOperationAsUndone(e,t){this._undoPairs.set(t,e),this._undoneOperations.add(e)}isUndoingOperation(e){return this._undoPairs.has(e)}isUndoneOperation(e){return this._undoneOperations.has(e)}getUndoneOperation(e){return this._undoPairs.get(e)}reset(){this._version=0,this._undoPairs=new Map,this._operations=[],this._undoneOperations=new Set,this._gaps=new Map,this._baseVersionToOperationIndex=new Map}}class Nl extends wa{constructor(e,t,n="main"){super(t),this._isAttached=!0,this._isLoaded=!0,this._document=e,this.rootName=n}get document(){return this._document}isAttached(){return this._isAttached}toJSON(){return this.rootName}}Nl.prototype.is=function(e,t){return t?t===this.name&&("rootElement"===e||"model:rootElement"===e||"element"===e||"model:element"===e):"rootElement"===e||"model:rootElement"===e||"element"===e||"model:element"===e||"node"===e||"model:node"===e};const Dl="$graveyard";class Bl extends(x()){constructor(e){super(),this.model=e,this.history=new Vl,this.selection=new Ua(this),this.roots=new qi({idProperty:"rootName"}),this.differ=new Rl(e.markers),this.isReadOnly=!1,this._postFixers=new Set,this._hasSelectionChangedFromTheLastChangeBlock=!1,this.createRoot("$root",Dl),this.listenTo(e,"applyOperation",(e,t)=>{const n=t[0];n.isDocumentOperation&&this.differ.bufferOperation(n)},{priority:"high"}),this.listenTo(e,"applyOperation",(e,t)=>{const n=t[0];n.isDocumentOperation&&this.history.addOperation(n)},{priority:"low"}),this.listenTo(this.selection,"change",()=>{this._hasSelectionChangedFromTheLastChangeBlock=!0}),this.listenTo(e.markers,"update",(e,t,n,i,o)=>{const r={...t.getData(),range:i};this.differ.bufferMarkerChange(t.name,o,r),null===n&&t.on("change",(e,n)=>{const i=t.getData();this.differ.bufferMarkerChange(t.name,{...i,range:n},i)})}),this.registerPostFixer(e=>{let t=!1;for(const n of this.roots)n.isAttached()||n.isEmpty||(e.remove(e.createRangeIn(n)),t=!0);for(const n of this.model.markers)n.getRange().root.isAttached()||(e.removeMarker(n),t=!0);return t})}get version(){return this.history.version}set version(e){this.history.version=e}get graveyard(){return this.getRoot(Dl)}createRoot(e="$root",t="main"){if(this.roots.get(t))throw new p("model-document-createroot-name-exists",this,{name:t});const n=new Nl(this,e,t);return this.roots.add(n),n}destroy(){this.selection.destroy(),this.stopListening()}getRoot(e="main"){return this.roots.get(e)}getRootNames(e=!1){return this.getRoots(e).map(e=>e.rootName)}getRoots(e=!1){return this.roots.filter(t=>t!=this.graveyard&&(e||t.isAttached())&&t._isLoaded)}registerPostFixer(e){this._postFixers.add(e)}toJSON(){const e=Eo(this);return e.selection="[engine.model.DocumentSelection]",e.model="[engine.model.Model]",e}_handleChangeBlock(e){this._hasDocumentChangedFromTheLastChangeBlock()&&(this._callPostFixers(e),this.selection.refresh(),this.differ.hasDataChanges()?this.fire("change:data",e.batch):this.fire("change",e.batch),this.selection.refresh(),this.differ.reset()),this._hasSelectionChangedFromTheLastChangeBlock=!1}_hasDocumentChangedFromTheLastChangeBlock(){return!this.differ.isEmpty||this._hasSelectionChangedFromTheLastChangeBlock}_getDefaultRoot(){const e=this.getRoots();return e.length?e[0]:this.graveyard}_getDefaultRange(){const e=this._getDefaultRoot(),t=this.model,n=t.schema,i=t.createPositionFromPath(e,[0]);return n.getNearestSelectionRange(i)||t.createRange(i)}_validateSelectionRange(e){return Ll(e.start)&&Ll(e.end)}_callPostFixers(e){let t=!1;do{for(const n of this._postFixers)if(this.selection.refresh(),t=n(e),t)break}while(t)}}function Ll(e){const t=e.textNode;if(t){const n=t.data,i=e.offset-t.startOffset;return!Ji(n,i)&&!Qi(n,i)}return!0}class Fl extends(x()){constructor(){super(...arguments),this._markers=new Map}[Symbol.iterator](){return this._markers.values()}has(e){const t=e instanceof zl?e.name:e;return this._markers.has(t)}get(e){return this._markers.get(e)||null}_set(e,t,n=!1,i=!1){const o=e instanceof zl?e.name:e;if(o.includes(","))throw new p("markercollection-incorrect-marker-name",this);const r=this._markers.get(o);if(r){const e=r.getData(),s=r.getRange();let a=!1;return s.isEqual(t)||(r._attachLiveRange(Ha.fromRange(t)),a=!0),n!=r.managedUsingOperations&&(r._managedUsingOperations=n,a=!0),"boolean"==typeof i&&i!=r.affectsData&&(r._affectsData=i,a=!0),a&&this.fire(`update:${o}`,r,s,t,e),r}const s=Ha.fromRange(t),a=new zl(o,s,n,i);return this._markers.set(o,a),this.fire(`update:${o}`,a,null,t,{...a.getData(),range:null}),a}_remove(e){const t=e instanceof zl?e.name:e,n=this._markers.get(t);return!!n&&(this._markers.delete(t),this.fire(`update:${t}`,n,n.getRange(),null,n.getData()),this._destroyMarker(n),!0)}_refresh(e){const t=e instanceof zl?e.name:e,n=this._markers.get(t);if(!n)throw new p("markercollection-refresh-marker-not-exists",this);const i=n.getRange();this.fire(`update:${t}`,n,i,i,n.getData())}*getMarkersAtPosition(e){for(const t of this)t.getRange().containsPosition(e)&&(yield t)}*getMarkersIntersectingRange(e){for(const t of this)null!==t.getRange().getIntersection(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._detachLiveRange()}}class zl extends(x(ga)){constructor(e,t,n,i){super(),this.name=e,this._liveRange=this._attachLiveRange(t),this._managedUsingOperations=n,this._affectsData=i}get managedUsingOperations(){if(!this._liveRange)throw new p("marker-destroyed",this);return this._managedUsingOperations}get affectsData(){if(!this._liveRange)throw new p("marker-destroyed",this);return this._affectsData}getData(){return{range:this.getRange(),affectsData:this.affectsData,managedUsingOperations:this.managedUsingOperations}}getStart(){if(!this._liveRange)throw new p("marker-destroyed",this);return this._liveRange.start.clone()}getEnd(){if(!this._liveRange)throw new p("marker-destroyed",this);return this._liveRange.end.clone()}getRange(){if(!this._liveRange)throw new p("marker-destroyed",this);return this._liveRange.toRange()}_attachLiveRange(e){return this._liveRange&&this._detachLiveRange(),e.delegate("change:range").to(this),e.delegate("change:content").to(this),this._liveRange=e,e}_detachLiveRange(){this._liveRange.stopDelegating("change:range",this),this._liveRange.stopDelegating("change:content",this),this._liveRange.detach(),this._liveRange=null}}zl.prototype.is=function(e){return"marker"===e||"model:marker"===e};class $l extends Kc{constructor(e,t){super(null),this.sourcePosition=e.clone(),this.howMany=t}get type(){return"detach"}get affectedSelectable(){return null}toJSON(){const e=super.toJSON();return e.sourcePosition=this.sourcePosition.toJSON(),e}_validate(){if(this.sourcePosition.root.document)throw new p("detach-operation-on-document-node",this)}_execute(){Jc(Pa._createFromPositionAndShift(this.sourcePosition,this.howMany))}static get className(){return"DetachOperation"}}class Hl extends ga{constructor(e){super(),this.markers=new Map,this._children=new ma,e&&this._insertChild(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 nextSibling(){return null}get previousSibling(){return null}get root(){return this}get parent(){return null}get document(){return null}isAttached(){return!1}getAncestors(){return[]}getChild(e){return this._children.getNode(e)}getChildren(){return this._children[Symbol.iterator]()}getChildIndex(e){return this._children.getNodeIndex(e)}getChildStartOffset(e){return this._children.getNodeStartOffset(e)}getPath(){return[]}getNodeByPath(e){let t=this;for(const n of e)t=t.getChild(t.offsetToIndex(n));return t}offsetToIndex(e){return this._children.offsetToIndex(e)}toJSON(){const e=[];for(const t of this._children)e.push(t.toJSON());return e}static fromJSON(e){const t=[];for(const n of e)n.name?t.push(wa.fromJSON(n)):t.push(ba.fromJSON(n));return new Hl(t)}_appendChild(e){this._insertChild(this.childCount,e)}_insertChild(e,t){const n=function(e){return"string"==typeof e?[new ba(e)]:(K(e)||(e=[e]),Array.from(e).map(e=>"string"==typeof e?new ba(e):e instanceof ka?new ba(e.data,e.getAttributes()):e))}(t);for(const e of n)null!==e.parent&&e._remove(),e.parent=this;this._children._insertNodes(e,n)}_removeChildren(e,t=1){const n=this._children._removeNodes(e,t);for(const e of n)e.parent=null;return n}}Hl.prototype.is=function(e){return"documentFragment"===e||"model:documentFragment"===e};class jl{constructor(e,t){this.model=e,this.batch=t}createText(e,t){return new ba(e,t)}createElement(e,t){return new wa(e,t)}createDocumentFragment(){return new Hl}cloneElement(e,t=!0){return e._clone(t)}insert(e,t,n=0){if(this._assertWriterUsedCorrectly(),e instanceof ba&&""==e.data)return;const i=ya._createAt(t,n);if(e.parent){if(Kl(e.root,i.root))return void this.move(Pa._createOn(e),i);if(e.root.document)throw new p("model-writer-insert-forbidden-move",this);this.remove(e)}const o=i.root.document?i.root.document.version:null,r=new il(i,e,o);if(e instanceof ba&&(r.shouldReceiveAttributes=!0),this.batch.addOperation(r),this.model.applyOperation(r),e instanceof Hl)for(const[t,n]of e.markers){const e=ya._createAt(n.root,0),o={range:new Pa(n.start._getCombined(e,i),n.end._getCombined(e,i)),usingOperation:!0,affectsData:!0};this.model.markers.has(t)?this.updateMarker(t,o):this.addMarker(t,o)}}insertText(e,t,n,i){t instanceof Hl||t instanceof wa||t instanceof ya?this.insert(this.createText(e),t,n):this.insert(this.createText(e,t),n,i)}insertElement(e,t,n,i){t instanceof Hl||t instanceof wa||t instanceof ya?this.insert(this.createElement(e),t,n):this.insert(this.createElement(e,t),n,i)}append(e,t){this.insert(e,t,"end")}appendText(e,t,n){t instanceof Hl||t instanceof wa?this.insert(this.createText(e),t,"end"):this.insert(this.createText(e,t),n,"end")}appendElement(e,t,n){t instanceof Hl||t instanceof wa?this.insert(this.createElement(e),t,"end"):this.insert(this.createElement(e,t),n,"end")}setAttribute(e,t,n){if(this._assertWriterUsedCorrectly(),n instanceof Pa){const i=n.getMinimalFlatRanges();for(const n of i)ql(this,e,t,n)}else Wl(this,e,t,n)}setAttributes(e,t){for(const[n,i]of Ki(e))this.setAttribute(n,i,t)}removeAttribute(e,t){if(this._assertWriterUsedCorrectly(),t instanceof Pa){const n=t.getMinimalFlatRanges();for(const t of n)ql(this,e,null,t)}else Wl(this,e,null,t)}clearAttributes(e){this._assertWriterUsedCorrectly();const t=e=>{for(const t of e.getAttributeKeys())this.removeAttribute(t,e)};if(e instanceof Pa)for(const n of e.getItems())t(n);else t(e)}move(e,t,n){if(this._assertWriterUsedCorrectly(),!(e instanceof Pa))throw new p("writer-move-invalid-range",this);if(!e.isFlat)throw new p("writer-move-range-not-flat",this);const i=ya._createAt(t,n);if(i.isEqual(e.start))return;if(this._addOperationForAffectedMarkers("move",e),!Kl(e.root,i.root))throw new p("writer-move-different-document",this);const o=e.root.document?e.root.document.version:null,r=new nl(e.start,e.end.offset-e.start.offset,i,o);this.batch.addOperation(r),this.model.applyOperation(r)}remove(e){this._assertWriterUsedCorrectly();const t=(e instanceof Pa?e:Pa._createOn(e)).getMinimalFlatRanges().reverse();for(const e of t)this._addOperationForAffectedMarkers("move",e),Zl(e.start,e.end.offset-e.start.offset,this.batch,this.model)}merge(e){this._assertWriterUsedCorrectly();const t=e.nodeBefore,n=e.nodeAfter;if(this._addOperationForAffectedMarkers("merge",e),!(t instanceof wa))throw new p("writer-merge-no-element-before",this);if(!(n instanceof wa))throw new p("writer-merge-no-element-after",this);e.root.document?this._merge(e):this._mergeDetached(e)}createPositionFromPath(e,t,n){return this.model.createPositionFromPath(e,t,n)}createPositionAt(e,t){return this.model.createPositionAt(e,t)}createPositionAfter(e){return this.model.createPositionAfter(e)}createPositionBefore(e){return this.model.createPositionBefore(e)}createRange(e,t){return this.model.createRange(e,t)}createRangeIn(e){return this.model.createRangeIn(e)}createRangeOn(e){return this.model.createRangeOn(e)}createSelection(...e){return this.model.createSelection(...e)}_mergeDetached(e){const t=e.nodeBefore,n=e.nodeAfter;this.move(Pa._createIn(n),ya._createAt(t,"end")),this.remove(n)}_merge(e){const t=ya._createAt(e.nodeBefore,"end"),n=ya._createAt(e.nodeAfter,0),i=e.root.document.graveyard,o=new ya(i,[0]),r=e.root.document.version,s=new rl(n,e.nodeAfter.maxOffset,t,o,r);this.batch.addOperation(s),this.model.applyOperation(s)}rename(e,t){if(this._assertWriterUsedCorrectly(),!(e instanceof wa))throw new p("writer-rename-not-element-instance",this);const n=e.root.document?e.root.document.version:null,i=new dl(ya._createBefore(e),e.name,t,n);this.batch.addOperation(i),this.model.applyOperation(i)}split(e,t){this._assertWriterUsedCorrectly();let n,i,o=e.parent;if(!o.parent)throw new p("writer-split-element-no-parent",this);if(t||(t=o.parent),!e.parent.getAncestors({includeSelf:!0}).includes(t))throw new p("writer-split-invalid-limit-element",this);do{const t=o.root.document?o.root.document.version:null,r=o.maxOffset-e.offset,s=ol.getInsertionPosition(e),a=new ol(e,r,s,null,t);this.batch.addOperation(a),this.model.applyOperation(a),n||i||(n=o,i=e.parent.nextSibling),o=(e=this.createPositionAfter(e.parent)).parent}while(o!==t);return{position:e,range:new Pa(ya._createAt(n,"end"),ya._createAt(i,0))}}wrap(e,t){if(this._assertWriterUsedCorrectly(),!e.isFlat)throw new p("writer-wrap-range-not-flat",this);const n=t instanceof wa?t:new wa(t);if(n.childCount>0)throw new p("writer-wrap-element-not-empty",this);if(null!==n.parent)throw new p("writer-wrap-element-attached",this);this.insert(n,e.start);const i=new Pa(e.start.getShiftedBy(1),e.end.getShiftedBy(1));this.move(i,ya._createAt(n,0))}unwrap(e){if(this._assertWriterUsedCorrectly(),null===e.parent)throw new p("writer-unwrap-element-no-parent",this);this.move(Pa._createIn(e),this.createPositionAfter(e)),this.remove(e)}addMarker(e,t){if(this._assertWriterUsedCorrectly(),!t||"boolean"!=typeof t.usingOperation)throw new p("writer-addmarker-no-usingoperation",this);const n=t.usingOperation,i=t.range,o=void 0!==t.affectsData&&t.affectsData;if(this.model.markers.has(e))throw new p("writer-addmarker-marker-exists",this);if(!i)throw new p("writer-addmarker-no-range",this);return n?(Ul(this,e,null,i,o),this.model.markers.get(e)):this.model.markers._set(e,i,n,o)}updateMarker(e,t){this._assertWriterUsedCorrectly();const n="string"==typeof e?e:e.name,i=this.model.markers.get(n);if(!i)throw new p("writer-updatemarker-marker-not-exists",this);if(!t)return m("writer-updatemarker-reconvert-using-editingcontroller",{markerName:n}),void this.model.markers._refresh(i);const o="boolean"==typeof t.usingOperation,r="boolean"==typeof t.affectsData,s=r?t.affectsData:i.affectsData;if(!o&&!t.range&&!r)throw new p("writer-updatemarker-wrong-options",this);const a=i.getRange(),c=t.range?t.range:a;o&&t.usingOperation!==i.managedUsingOperations?t.usingOperation?Ul(this,n,null,c,s):(Ul(this,n,a,null,s),this.model.markers._set(n,c,void 0,s)):i.managedUsingOperations?Ul(this,n,a,c,s):this.model.markers._set(n,c,void 0,s)}removeMarker(e){this._assertWriterUsedCorrectly();const t="string"==typeof e?e:e.name;if(!this.model.markers.has(t))throw new p("writer-removemarker-no-marker",this);const n=this.model.markers.get(t);n.managedUsingOperations?Ul(this,t,n.getRange(),null,n.affectsData):this.model.markers._remove(t)}addRoot(e,t="$root"){this._assertWriterUsedCorrectly();const n=this.model.document.getRoot(e);if(n&&n.isAttached())throw new p("writer-addroot-root-exists",this);const i=this.model.document,o=new ul(e,t,!0,i,i.version);return this.batch.addOperation(o),this.model.applyOperation(o),this.model.document.getRoot(e)}detachRoot(e){this._assertWriterUsedCorrectly();const t="string"==typeof e?this.model.document.getRoot(e):e;if(!t||!t.isAttached())throw new p("writer-detachroot-no-root",this);for(const e of this.model.markers)e.getRange().root===t&&this.removeMarker(e);for(const e of t.getAttributeKeys())this.removeAttribute(e,t);this.remove(this.createRangeIn(t));const n=this.model.document,i=new ul(t.rootName,t.name,!1,n,n.version);this.batch.addOperation(i),this.model.applyOperation(i)}setSelection(...e){this._assertWriterUsedCorrectly(),this.model.document.selection._setTo(...e)}setSelectionFocus(e,t){this._assertWriterUsedCorrectly(),this.model.document.selection._setFocus(e,t)}setSelectionAttribute(e,t){if(this._assertWriterUsedCorrectly(),"string"==typeof e)this._setSelectionAttribute(e,t);else for(const[t,n]of Ki(e))this._setSelectionAttribute(t,n)}removeSelectionAttribute(e){if(this._assertWriterUsedCorrectly(),"string"==typeof e)this._removeSelectionAttribute(e);else for(const t of e)this._removeSelectionAttribute(t)}overrideSelectionGravity(){return this.model.document.selection._overrideGravity()}restoreSelectionGravity(e){this.model.document.selection._restoreGravity(e)}_setSelectionAttribute(e,t){const n=this.model.document.selection;if(n.isCollapsed&&n.anchor.parent.isEmpty){const i=Ua._getStoreAttributeKey(e);this.setAttribute(i,t,n.anchor.parent)}n._setAttribute(e,t)}_removeSelectionAttribute(e){const t=this.model.document.selection;if(t.isCollapsed&&t.anchor.parent.isEmpty){const n=Ua._getStoreAttributeKey(e);this.removeAttribute(n,t.anchor.parent)}t._removeAttribute(e)}_assertWriterUsedCorrectly(){if(this.model._currentWriter!==this)throw new p("writer-incorrect-use",this)}_addOperationForAffectedMarkers(e,t){for(const n of this.model.markers){if(!n.managedUsingOperations)continue;const i=n.getRange();let o=!1;if("move"===e){const e=t;o=e.containsPosition(i.start)||e.start.isEqual(i.start)||e.containsPosition(i.end)||e.end.isEqual(i.end)}else{const e=t,n=e.nodeBefore,r=e.nodeAfter,s=i.start.parent==n&&i.start.isAtEnd,a=i.end.parent==r&&0==i.end.offset,c=i.end.nodeAfter==r,l=i.start.nodeAfter==r;o=s||a||c||l}o&&this.updateMarker(n.name,{range:i})}}}function ql(e,t,n,i){const o=e.model,r=o.document;let s,a,c,l=i.start;for(const e of i.getWalker({shallow:!0}))c=e.item.getAttribute(t),s&&a!=c&&(a!=n&&d(),l=s),s=e.nextPosition,a=c;function d(){const i=new Pa(l,s),c=i.root.document?r.version:null,d=new cl(i,t,a,n,c);e.batch.addOperation(d),o.applyOperation(d)}s instanceof ya&&s!=l&&a!=n&&d()}function Wl(e,t,n,i){const o=e.model,r=o.document,s=i.getAttribute(t);let a,c;if(s!=n){if(i.root===i){const e=i.document?r.version:null;c=new hl(i,t,s,n,e)}else{a=new Pa(ya._createBefore(i),e.createPositionAfter(i));const o=a.root.document?r.version:null;c=new cl(a,t,s,n,o)}e.batch.addOperation(c),o.applyOperation(c)}}function Ul(e,t,n,i,o){const r=e.model,s=r.document,a=new sl(t,n,i,r.markers,!!o,s.version);e.batch.addOperation(a),r.applyOperation(a)}function Zl(e,t,n,i){let o;if(e.root.document){const n=i.document,r=new ya(n.graveyard,[0]);o=new nl(e,t,r,n.version)}else o=new $l(e,t);n.addOperation(o),i.applyOperation(o)}function Kl(e,t){return e===t||e instanceof Nl&&t instanceof Nl}function Gl(e,t,n={}){if(t.isCollapsed)return;const i=t.getFirstRange();if("$graveyard"==i.root.rootName)return;const o=e.schema;e.change(e=>{if(!n.doNotResetEntireContent&&function(e,t){const n=e.getLimitElement(t);if(!t.containsEntireContent(n))return!1;const i=t.getFirstRange();return i.start.parent!=i.end.parent&&e.checkChild(n,"paragraph")}(o,t))return void function(e,t){const n=e.model.schema.getLimitElement(t);e.remove(e.createRangeIn(n)),Xl(e,e.createPositionAt(n,0),t)}(e,t);const r={};if(!n.doNotAutoparagraph){const e=t.getSelectedElement();e&&Object.assign(r,o.getAttributesWithProperty(e,"copyOnReplace",!0))}const[s,a]=function(e){const t=e.root.document.model,n=e.start;let i=e.end;if(t.hasContent(e,{ignoreMarkers:!0})){const n=function(e){const t=e.parent,n=t.root.document.model.schema,i=t.getAncestors({parentFirst:!0,includeSelf:!0});for(const e of i){if(n.isLimit(e))return null;if(n.isBlock(e))return e}}(i);if(n&&i.isTouching(t.createPositionAt(n,0))){const n=t.createSelection(e);t.modifySelection(n,{direction:"backward"});const o=n.getLastPosition(),r=t.createRange(o,i);t.hasContent(r,{ignoreMarkers:!0})||(i=o)}}return[El.fromPosition(n,"toPrevious"),El.fromPosition(i,"toNext")]}(i);s.isTouching(a)||e.remove(e.createRange(s,a)),n.leaveUnmerged||(function(e,t,n){const i=e.model;if(!Yl(e.model.schema,t,n))return;const[o,r]=function(e,t){const n=e.getAncestors(),i=t.getAncestors();let o=0;for(;n[o]&&n[o]==i[o];)o++;return[n[o],i[o]]}(t,n);o&&r&&(!i.hasContent(o,{ignoreMarkers:!0})&&i.hasContent(r,{ignoreMarkers:!0})?Ql(e,t,n,o.parent):Jl(e,t,n,o.parent))}(e,s,a),o.removeDisallowedAttributes(s.parent.getChildren(),e)),ed(e,t,s),!n.doNotAutoparagraph&&function(e,t){const n=e.checkChild(t,"$text"),i=e.checkChild(t,"paragraph");return!n&&i}(o,s)&&Xl(e,s,t,r),s.detach(),a.detach()})}function Jl(e,t,n,i){const o=t.parent,r=n.parent;if(o!=i&&r!=i){for(t=e.createPositionAfter(o),(n=e.createPositionBefore(r)).isEqual(t)||e.insert(r,t),e.merge(t);n.parent.isEmpty;){const t=n.parent;n=e.createPositionBefore(t),e.remove(t)}Yl(e.model.schema,t,n)&&Jl(e,t,n,i)}}function Ql(e,t,n,i){const o=t.parent,r=n.parent;if(o!=i&&r!=i){for(t=e.createPositionAfter(o),(n=e.createPositionBefore(r)).isEqual(t)||e.insert(o,n);t.parent.isEmpty;){const n=t.parent;t=e.createPositionBefore(n),e.remove(n)}n=e.createPositionBefore(r),function(e,t){const n=t.nodeBefore,i=t.nodeAfter;n.name!=i.name&&e.rename(n,i.name),e.clearAttributes(n),e.setAttributes(Object.fromEntries(i.getAttributes()),n),e.merge(t)}(e,n),Yl(e.model.schema,t,n)&&Ql(e,t,n,i)}}function Yl(e,t,n){const i=t.parent,o=n.parent;return i!=o&&!e.isLimit(i)&&!e.isLimit(o)&&function(e,t,n){const i=new Pa(e,t);for(const e of i.getWalker())if(n.isLimit(e.item))return!1;return!0}(t,n,e)}function Xl(e,t,n,i={}){const o=e.createElement("paragraph");e.model.schema.setAllowedAttributes(o,i,e),e.insert(o,t),ed(e,n,e.createPositionAt(o,0))}function ed(e,t,n){t instanceof Ua?e.setSelection(n):t.setTo(n)}function td(e,t){const n=[];Array.from(e.getItems({direction:"backward"})).map(e=>t.createRangeOn(e)).filter(t=>(t.start.isAfter(e.start)||t.start.isEqual(e.start))&&(t.end.isBefore(e.end)||t.end.isEqual(e.end))).forEach(e=>{n.push(e.start.parent),t.remove(e)}),n.forEach(e=>{let n=e;for(;n.parent&&n.isEmpty;){const e=t.createRangeOn(n);n=n.parent,t.remove(e)}})}class nd{constructor(e,t,n){this._firstNode=null,this._lastNode=null,this._lastAutoParagraph=null,this._filterAttributesOf=[],this._affectedStart=null,this._affectedEnd=null,this._nodeToSelect=null,this.model=e,this.writer=t,this.position=n,this.canMergeWith=new Set([this.position.parent]),this.schema=e.schema,this._documentFragment=t.createDocumentFragment(),this._documentFragmentPosition=t.createPositionAt(this._documentFragment,0)}handleNodes(e){for(const t of Array.from(e))this._handleNode(t);this._insertPartialFragment(),this._lastAutoParagraph&&this._updateLastNodeFromAutoParagraph(this._lastAutoParagraph),this._mergeOnRight(),this.schema.removeDisallowedAttributes(this._filterAttributesOf,this.writer),this._filterAttributesOf=[]}_updateLastNodeFromAutoParagraph(e){const t=this.writer.createPositionAfter(this._lastNode),n=this.writer.createPositionAfter(e);if(n.isAfter(t)){if(this._lastNode=e,this.position.parent!=e||!this.position.isAtEnd)throw new p("insertcontent-invalid-insertion-position",this);this.position=n,this._setAffectedBoundaries(this.position)}}getSelectionRange(){return this._nodeToSelect?Pa._createOn(this._nodeToSelect):this.model.schema.getNearestSelectionRange(this.position)}getAffectedRange(){return this._affectedStart?new Pa(this._affectedStart,this._affectedEnd):null}destroy(){this._affectedStart&&this._affectedStart.detach(),this._affectedEnd&&this._affectedEnd.detach()}_handleNode(e){if(this.schema.isObject(e))return void this._handleObject(e);let t=this._checkAndAutoParagraphToAllowedPosition(e);t||(t=this._checkAndSplitToAllowedPosition(e),t)?(this._appendToFragment(e),this._firstNode||(this._firstNode=e),this._lastNode=e):this._handleDisallowedNode(e)}_insertPartialFragment(){if(this._documentFragment.isEmpty)return;const e=El.fromPosition(this.position,"toNext");this._setAffectedBoundaries(this.position),this._documentFragment.getChild(0)==this._firstNode&&(this.writer.insert(this._firstNode,this.position),this._mergeOnLeft(),this.position=e.toPosition()),this._documentFragment.isEmpty||this.writer.insert(this._documentFragment,this.position),this._documentFragmentPosition=this.writer.createPositionAt(this._documentFragment,0),this.position=e.toPosition(),e.detach()}_handleObject(e){this._checkAndSplitToAllowedPosition(e)?this._appendToFragment(e):this._tryAutoparagraphing(e)}_handleDisallowedNode(e){e.is("element")?this.handleNodes(e.getChildren()):this._tryAutoparagraphing(e)}_appendToFragment(e){if(!this.schema.checkChild(this.position,e))throw new p("insertcontent-wrong-position",this,{node:e,position:this.position});this.writer.insert(e,this._documentFragmentPosition),this._documentFragmentPosition=this._documentFragmentPosition.getShiftedBy(e.offsetSize),this.schema.isObject(e)&&!this.schema.checkChild(this.position,"$text")?this._nodeToSelect=e:this._nodeToSelect=null,this._filterAttributesOf.push(e)}_setAffectedBoundaries(e){this._affectedStart||(this._affectedStart=El.fromPosition(e,"toPrevious")),this._affectedEnd&&!this._affectedEnd.isBefore(e)||(this._affectedEnd&&this._affectedEnd.detach(),this._affectedEnd=El.fromPosition(e,"toNext"))}_mergeOnLeft(){const e=this._firstNode;if(!(e instanceof wa))return;if(!this._canMergeLeft(e))return;const t=El._createBefore(e);t.stickiness="toNext";const n=El.fromPosition(this.position,"toNext");this._affectedStart.isEqual(t)&&(this._affectedStart.detach(),this._affectedStart=El._createAt(t.nodeBefore,"end","toPrevious")),this._firstNode===this._lastNode&&(this._firstNode=t.nodeBefore,this._lastNode=t.nodeBefore),this.writer.merge(t),t.isEqual(this._affectedEnd)&&this._firstNode===this._lastNode&&(this._affectedEnd.detach(),this._affectedEnd=El._createAt(t.nodeBefore,"end","toNext")),this.position=n.toPosition(),n.detach(),this._filterAttributesOf.push(this.position.parent),t.detach()}_mergeOnRight(){const e=this._lastNode;if(!(e instanceof wa))return;if(!this._canMergeRight(e))return;const t=El._createAfter(e);if(t.stickiness="toNext",!this.position.isEqual(t))throw new p("insertcontent-invalid-insertion-position",this);this.position=ya._createAt(t.nodeBefore,"end");const n=El.fromPosition(this.position,"toPrevious");this._affectedEnd.isEqual(t)&&(this._affectedEnd.detach(),this._affectedEnd=El._createAt(t.nodeBefore,"end","toNext")),this._firstNode===this._lastNode&&(this._firstNode=t.nodeBefore,this._lastNode=t.nodeBefore),this.writer.merge(t),t.getShiftedBy(-1).isEqual(this._affectedStart)&&this._firstNode===this._lastNode&&(this._affectedStart.detach(),this._affectedStart=El._createAt(t.nodeBefore,0,"toPrevious")),this.position=n.toPosition(),n.detach(),this._filterAttributesOf.push(this.position.parent),t.detach()}_canMergeLeft(e){const t=e.previousSibling;return t instanceof wa&&this.canMergeWith.has(t)&&this.model.schema.checkMerge(t,e)}_canMergeRight(e){const t=e.nextSibling;return t instanceof wa&&this.canMergeWith.has(t)&&this.model.schema.checkMerge(e,t)}_tryAutoparagraphing(e){const t=this.writer.createElement("paragraph");this._getAllowedIn(this.position.parent,t)&&this.schema.checkChild(t,e)&&(t._appendChild(e),this._handleNode(t))}_checkAndAutoParagraphToAllowedPosition(e){if(this.schema.checkChild(this.position.parent,e))return!0;if(!this.schema.checkChild(this.position.parent,"paragraph")||!this.schema.checkChild("paragraph",e))return!1;this._insertPartialFragment();const t=this.writer.createElement("paragraph");return this.writer.insert(t,this.position),this._setAffectedBoundaries(this.position),this._lastAutoParagraph=t,this.position=this.writer.createPositionAt(t,0),!0}_checkAndSplitToAllowedPosition(e){const t=this._getAllowedIn(this.position.parent,e);if(!t)return!1;for(t!=this.position.parent&&this._insertPartialFragment();t!=this.position.parent;)if(this.position.isAtStart){const e=this.position.parent;this.position=this.writer.createPositionBefore(e),e.isEmpty&&e.parent===t&&this.writer.remove(e)}else if(this.position.isAtEnd)this.position=this.writer.createPositionAfter(this.position.parent);else{const e=this.writer.createPositionAfter(this.position.parent);this._setAffectedBoundaries(this.position),this.writer.split(this.position),this.position=e,this.canMergeWith.add(this.position.nodeAfter)}return!0}_getAllowedIn(e,t){return this.schema.checkChild(e,t)?e:this.schema.isLimit(e)?null:this._getAllowedIn(e.parent,t)}}function id(e,t){const{isForward:n,walker:i,unit:o,schema:r,treatEmojiAsSingleUnit:s}=e,{type:a,item:c,nextPosition:l}=t;if("text"==a)return"word"===e.unit?function(e,t){let n=e.position.textNode;for(n||(n=t?e.position.nodeAfter:e.position.nodeBefore);n&&n.is("$text");){const i=e.position.offset-n.startOffset;if(sd(n,i,t))n=t?e.position.nodeAfter:e.position.nodeBefore;else{if(rd(n.data,i,t))break;e.next()}}return e.position}(i,n):function(e,t,n){const i=e.position.textNode;if(i){const o=i.data;let r=e.position.offset-i.startOffset;for(;Ji(o,r)||"character"==t&&Qi(o,r)||n&&Xi(o,r);)e.next(),r=e.position.offset-i.startOffset}return e.position}(i,o,s);if(a==(n?"elementStart":"elementEnd")){if(r.isSelectable(c))return ya._createAt(c,n?"after":"before");if(r.checkChild(l,"$text"))return l}else{if(r.isLimit(c))return void i.skip(()=>!0);if(r.checkChild(l,"$text"))return l}}function od(e,t){const n=e.root,i=ya._createAt(n,t?"end":0);return t?new Pa(e,i):new Pa(i,e)}function rd(e,t,n){const i=t+(n?0:-1);return' ,.?!:;"-()'.includes(e.charAt(i))}function sd(e,t,n){return t===(n?e.offsetSize:0)}class ad extends(F()){constructor(){var e;super(),this.markers=new Fl,this.document=new Bl(this),this.schema=new Ec,this._pendingChanges=[],this._currentWriter=null,["deleteContent","modifySelection","getSelectedContent","applyOperation"].forEach(e=>this.decorate(e)),this.on("applyOperation",(e,t)=>{t[0]._validate()},{priority:"highest"}),this.schema.register("$root",{isLimit:!0}),this.schema.register("$container",{allowIn:["$root","$container"]}),this.schema.register("$block",{allowIn:["$root","$container"],isBlock:!0}),this.schema.register("$blockObject",{allowWhere:"$block",isBlock:!0,isObject:!0}),this.schema.register("$inlineObject",{allowWhere:"$text",allowAttributesOf:"$text",isInline:!0,isObject:!0}),this.schema.register("$text",{allowIn:"$block",isInline:!0,isContent:!0}),this.schema.register("$clipboardHolder",{allowContentOf:"$root",allowChildren:"$text",isLimit:!0}),this.schema.register("$documentFragment",{allowContentOf:"$root",allowChildren:"$text",isLimit:!0}),this.schema.register("$marker"),this.schema.addChildCheck((e,t)=>{if("$marker"===t.name)return!0}),(e=this).document.registerPostFixer(t=>function(e,t){const n=t.document.selection,i=t.schema,o=[];let r=!1;for(const e of n.getRanges()){const t=wc(e,i);t&&!t.isEqual(e)?(o.push(t),r=!0):o.push(e)}return r&&e.setSelection(function(e){const t=[...e],n=new Set;let i=1;for(;i<t.length;){const e=t[i],o=t.slice(0,i);for(const[r,s]of o.entries())if(!n.has(r))if(e.isEqual(s))n.add(r);else if(e.isIntersecting(s)){n.add(r),n.add(i);const o=e.getJoined(s);t.push(o)}i++}return t.filter((e,t)=>!n.has(t))}(o),{backward:n.isBackward}),!1}(t,e)),this.document.registerPostFixer(lc),this.on("insertContent",(e,[t,n])=>{e.return=function(e,t,n){return e.change(i=>{const o=n||e.document.selection;o.isCollapsed||e.deleteContent(o,{doNotAutoparagraph:!0});const r=new nd(e,i,o.anchor),s=[];let a;if(t.is("documentFragment")){if(t.markers.size){const e=[];for(const[n,i]of t.markers){const{start:t,end:o}=i,r=t.isEqual(o);e.push({position:t,name:n,isCollapsed:r},{position:o,name:n,isCollapsed:r})}e.sort(({position:e},{position:t})=>e.isBefore(t)?1:-1);for(const{position:n,name:o,isCollapsed:r}of e){let e=null,a=null;const c=n.parent===t&&n.isAtStart,l=n.parent===t&&n.isAtEnd;c||l?r&&(a=c?"start":"end"):(e=i.createElement("$marker"),i.insert(e,n)),s.push({name:o,element:e,collapsed:a})}}a=t.getChildren()}else a=[t];r.handleNodes(a);let c=r.getSelectionRange();if(t.is("documentFragment")&&s.length){const e=c?Ha.fromRange(c):null,t={};for(let e=s.length-1;e>=0;e--){const{name:n,element:o,collapsed:a}=s[e],c=!t[n];if(c&&(t[n]=[]),o){const e=i.createPositionAt(o,"before");t[n].push(e),i.remove(o)}else{const e=r.getAffectedRange();if(!e){a&&t[n].push(r.position);continue}a?t[n].push(e[a]):t[n].push(c?e.start:e.end)}}for(const[e,[n,o]]of Object.entries(t))n&&o&&n.root===o.root&&n.root.document&&i.addMarker(e,{usingOperation:!0,affectsData:!0,range:new Pa(n,o)});e&&(c=e.toRange(),e.detach())}c&&(o instanceof Ua?i.setSelection(c):o.setTo(c));const l=r.getAffectedRange()||e.createRange(o.anchor);return r.destroy(),l})}(this,t,n)}),this.on("insertObject",(e,[t,n,i])=>{e.return=function(e,t,n,i={}){if(!e.schema.isObject(t))throw new p("insertobject-element-not-an-object",e,{object:t});const o=n||e.document.selection;let r=o;i.findOptimalPosition&&e.schema.isBlock(t)&&(r=e.createSelection(e.schema.findOptimalInsertionRange(o,i.findOptimalPosition)));const s=Wi(o.getSelectedBlocks()),a={};return s&&Object.assign(a,e.schema.getAttributesWithProperty(s,"copyOnReplace",!0)),e.change(n=>{r.isCollapsed||e.deleteContent(r,{doNotAutoparagraph:!0});let o=t;const s=r.anchor.parent;!e.schema.checkChild(s,t)&&e.schema.checkChild(s,"paragraph")&&e.schema.checkChild("paragraph",t)&&(o=n.createElement("paragraph"),n.insert(t,o)),e.schema.setAllowedAttributes(o,a,n);const c=e.insertContent(o,r);return c.isCollapsed||i.setSelection&&function(e,t,n,i){const o=e.model;if("on"==n)return void e.setSelection(t,"on");if("after"!=n)throw new p("insertobject-invalid-place-parameter-value",o);let r=t.nextSibling;o.schema.isInline(t)?e.setSelection(t,"after"):(!(r&&o.schema.checkChild(r,"$text"))&&o.schema.checkChild(t.parent,"paragraph")&&(r=e.createElement("paragraph"),o.schema.setAllowedAttributes(r,i,e),o.insertContent(r,e.createPositionAfter(t))),r&&e.setSelection(r,0))}(n,t,i.setSelection,a),c})}(this,t,n,i)}),this.on("canEditAt",e=>{const t=!this.document.isReadOnly;e.return=t,t||e.stop()})}change(e){try{return 0===this._pendingChanges.length?(this._pendingChanges.push({batch:new Sl,callback:e}),this._runPendingChanges()[0]):e(this._currentWriter)}catch(e){p.rethrowUnexpectedError(e,this)}}enqueueChange(e,t){try{e?"function"==typeof e?(t=e,e=new Sl):e instanceof Sl||(e=new Sl(e)):e=new Sl,this._pendingChanges.push({batch:e,callback:t}),1==this._pendingChanges.length&&this._runPendingChanges()}catch(e){p.rethrowUnexpectedError(e,this)}}applyOperation(e){e._execute()}insertContent(e,t,n,...i){const o=cd(t,n);return this.fire("insertContent",[e,o,n,...i])}insertObject(e,t,n,i,...o){const r=cd(t,n);return this.fire("insertObject",[e,r,i,i,...o])}deleteContent(e,t){Gl(this,e,t)}modifySelection(e,t){!function(e,t,n={}){const i=e.schema,o="backward"!=n.direction,r=n.unit?n.unit:"character",s=!!n.treatEmojiAsSingleUnit,a=t.focus,c=new _a({boundaries:od(a,o),singleCharacters:!0,direction:o?"forward":"backward"}),l={walker:c,schema:i,isForward:o,unit:r,treatEmojiAsSingleUnit:s};let d;for(;d=c.next();){if(d.done)return;const n=id(l,d.value);if(n)return void(t instanceof Ua?e.change(e=>{e.setSelectionFocus(n)}):t.setFocus(n))}}(this,e,t)}getSelectedContent(e){return function(e,t){return e.change(e=>{const n=e.createDocumentFragment(),i=t.getFirstRange();if(!i||i.isCollapsed)return n;const o=i.start.root,r=i.start.getCommonPath(i.end),s=o.getNodeByPath(r);let a;a=i.start.parent==i.end.parent?i:e.createRange(e.createPositionAt(s,i.start.path[r.length]),e.createPositionAt(s,i.end.path[r.length]+1));const c=a.end.offset-a.start.offset;for(const t of a.getItems({shallow:!0}))t.is("$textProxy")?e.appendText(t.data,t.getAttributes(),n):e.append(e.cloneElement(t,!0),n);if(a!=i){const t=i._getTransformedByMove(a.start,e.createPositionAt(n,0),c)[0],o=e.createRange(e.createPositionAt(n,0),t.start);td(e.createRange(t.end,e.createPositionAt(n,"end")),e),td(o,e)}return n})}(this,e)}hasContent(e,t={}){const n=e instanceof Pa?e:Pa._createIn(e);if(n.isCollapsed)return!1;const{ignoreWhitespaces:i=!1,ignoreMarkers:o=!1}=t;if(!o)for(const e of this.markers.getMarkersIntersectingRange(n))if(e.affectsData)return!0;for(const e of n.getItems())if(this.schema.isContent(e)){if(!e.is("$textProxy"))return!0;if(!i)return!0;if(-1!==e.data.search(/\S/))return!0}return!1}canEditAt(e){const t=cd(e);return this.fire("canEditAt",[t])}createPositionFromPath(e,t,n){return new ya(e,t,n)}createPositionAt(e,t){return ya._createAt(e,t)}createPositionAfter(e){return ya._createAfter(e)}createPositionBefore(e){return ya._createBefore(e)}createRange(e,t){return new Pa(e,t)}createRangeIn(e){return Pa._createIn(e)}createRangeOn(e){return Pa._createOn(e)}createSelection(...e){return new Na(...e)}createBatch(e){return new Sl(e)}createOperationFromJSON(e){return gl.fromJSON(e,this.document)}destroy(){this.document.destroy(),this.stopListening()}_runPendingChanges(){const e=[];this.fire("_beforeChanges");try{for(;this._pendingChanges.length;){const t=this._pendingChanges[0].batch;this._currentWriter=new jl(this,t);const n=this._pendingChanges[0].callback(this._currentWriter);e.push(n),this.document._handleChangeBlock(this._currentWriter),this._pendingChanges.shift(),this._currentWriter=null}}finally{this._pendingChanges.length=0,this._currentWriter=null,this.fire("_afterChanges")}return e}}function cd(e,t){if(e)return e instanceof Na||e instanceof Ua?e:e instanceof pa?t||0===t?new Na(e,t):e.is("rootElement")?new Na(e,"in"):new Na(e,"on"):new Na(e)}class ld extends As{constructor(){super(...arguments),this.domEventType="click"}onDomEvent(e){this.fire(e.type,e)}}class dd extends As{constructor(){super(...arguments),this.domEventType=["mousedown","mouseup","mouseover","mouseout"]}onDomEvent(e){this.fire(e.type,e)}}class hd{constructor(e){this.document=e}createDocumentFragment(e){return new Br(this.document,e)}createElement(e,t,n){return new sr(this.document,e,t,n)}createText(e){return new Po(this.document,e)}clone(e,t=!1){return e._clone(t)}appendChild(e,t){return 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vd{constructor(e,t=20){this._batch=null,this.model=e,this._size=0,this.limit=t,this._isLocked=!1,this._changeCallback=(e,t)=>{t.isLocal&&t.isUndoable&&t!==this._batch&&this._reset(!0)},this._selectionChangeCallback=()=>{this._reset()},this.model.document.on("change",this._changeCallback),this.model.document.selection.on("change:range",this._selectionChangeCallback),this.model.document.selection.on("change:attribute",this._selectionChangeCallback)}get batch(){return this._batch||(this._batch=this.model.createBatch({isTyping:!0})),this._batch}get size(){return this._size}input(e){this._size+=e,this._size>=this.limit&&this._reset(!0)}get isLocked(){return this._isLocked}lock(){this._isLocked=!0}unlock(){this._isLocked=!1}destroy(){this.model.document.off("change",this._changeCallback),this.model.document.selection.off("change:range",this._selectionChangeCallback),this.model.document.selection.off("change:attribute",this._selectionChangeCallback)}_reset(e=!1){this.isLocked&&!e||(this._batch=null,this._size=0)}}class yd extends no{constructor(e,t){super(e),this._buffer=new vd(e.model,t),this._isEnabledBasedOnSelection=!1}get buffer(){return this._buffer}destroy(){super.destroy(),this._buffer.destroy()}execute(e={}){const t=this.editor.model,n=t.document,i=e.text||"",o=i.length;let r=n.selection;if(e.selection?r=e.selection:e.range&&(r=t.createSelection(e.range)),!t.canEditAt(r))return;const s=e.resultRange;t.enqueueChange(this._buffer.batch,e=>{this._buffer.lock();const a=Array.from(n.selection.getAttributes());t.deleteContent(r),i&&t.insertContent(e.createText(i,a),r),s?e.setSelection(s):r.is("documentSelection")||e.setSelection(r),this._buffer.unlock(),this._buffer.input(o)})}}const xd=["insertText","insertReplacementText"];class Ad extends vs{constructor(e){super(e),this.focusObserver=e.getObserver(oa),n.isAndroid&&xd.push("insertCompositionText");const t=e.document;t.on("beforeinput",(n,i)=>{if(!this.isEnabled)return;const{data:o,targetRanges:r,inputType:s,domEvent:a}=i;if(!xd.includes(s))return;this.focusObserver.flush();const c=new d(t,"insertText");t.fire(c,new xs(e,a,{text:o,selection:e.createSelection(r)})),c.stop.called&&n.stop()}),t.on("compositionend",(i,{data:o,domEvent:r})=>{this.isEnabled&&!n.isAndroid&&o&&t.fire("insertText",new xs(e,r,{text:o,selection:t.selection}))},{priority:"lowest"})}observe(){}stopObserving(){}}class Cd extends eo{static get pluginName(){return"Input"}init(){const e=this.editor,t=e.model,i=e.editing.view,o=t.document.selection;i.addObserver(Ad);const r=new yd(e,e.config.get("typing.undoStep")||20);e.commands.add("insertText",r),e.commands.add("input",r),this.listenTo(i.document,"insertText",(o,r)=>{i.document.isComposing||r.preventDefault();const{text:s,selection:a,resultRange:c}=r,l=Array.from(a.getRanges()).map(t=>e.editing.mapper.toModelRange(t));let d=s;if(n.isAndroid){const e=Array.from(l[0].getItems()).reduce((e,t)=>e+(t.is("$textProxy")?t.data:""),"");e&&(e.length<=d.length?d.startsWith(e)&&(d=d.substring(e.length),l[0].start=l[0].start.getShiftedBy(e.length)):e.startsWith(d)&&(l[0].start=l[0].start.getShiftedBy(d.length),d=""))}const h={text:d,selection:t.createSelection(l)};c&&(h.resultRange=e.editing.mapper.toModelRange(c)),e.execute("insertText",h),i.scrollToTheSelection()}),n.isAndroid?this.listenTo(i.document,"keydown",(e,n)=>{!o.isCollapsed&&229==n.keyCode&&i.document.isComposing&&Ed(t,r)}):this.listenTo(i.document,"compositionstart",()=>{o.isCollapsed||Ed(t,r)})}}function Ed(e,t){if(!t.isEnabled)return;const n=t.buffer;n.lock(),e.enqueueChange(n.batch,()=>{e.deleteContent(e.document.selection)}),n.unlock()}class Td extends no{constructor(e,t){super(e),this.direction=t,this._buffer=new vd(e.model,e.config.get("typing.undoStep")),this._isEnabledBasedOnSelection=!1}get buffer(){return this._buffer}execute(e={}){const t=this.editor.model,n=t.document;t.enqueueChange(this._buffer.batch,i=>{this._buffer.lock();const o=i.createSelection(e.selection||n.selection);if(!t.canEditAt(o))return;const r=e.sequence||1,s=o.isCollapsed;if(o.isCollapsed&&t.modifySelection(o,{direction:this.direction,unit:e.unit,treatEmojiAsSingleUnit:!0}),this._shouldEntireContentBeReplacedWithParagraph(r))return void this._replaceEntireContentWithParagraph(i);if(this._shouldReplaceFirstBlockWithParagraph(o,r))return void this.editor.execute("paragraph",{selection:o});if(o.isCollapsed)return;let a=0;o.getFirstRange().getMinimalFlatRanges().forEach(e=>{a+=U(e.getWalker({singleCharacters:!0,ignoreElementEnd:!0,shallow:!0}))}),t.deleteContent(o,{doNotResetEntireContent:s,direction:this.direction}),this._buffer.input(a),i.setSelection(o),this._buffer.unlock()})}_shouldEntireContentBeReplacedWithParagraph(e){if(e>1)return!1;const t=this.editor.model,n=t.document.selection,i=t.schema.getLimitElement(n);if(!n.isCollapsed||!n.containsEntireContent(i))return!1;if(!t.schema.checkChild(i,"paragraph"))return!1;const o=i.getChild(0);return!o||!o.is("element","paragraph")}_replaceEntireContentWithParagraph(e){const t=this.editor.model,n=t.document.selection,i=t.schema.getLimitElement(n),o=e.createElement("paragraph");e.remove(e.createRangeIn(i)),e.insert(o,i),e.setSelection(o,0)}_shouldReplaceFirstBlockWithParagraph(e,t){const n=this.editor.model;if(t>1||"backward"!=this.direction)return!1;if(!e.isCollapsed)return!1;const i=e.getFirstPosition(),o=n.schema.getLimitElement(i),r=o.getChild(0);return i.parent==r&&!!e.containsEntireContent(r)&&!!n.schema.checkChild(o,"paragraph")&&"paragraph"!=r.name}}const Pd="word",Sd="selection",Rd="backward",Id="forward",Od={deleteContent:{unit:Sd,direction:Rd},deleteContentBackward:{unit:"codePoint",direction:Rd},deleteWordBackward:{unit:Pd,direction:Rd},deleteHardLineBackward:{unit:Sd,direction:Rd},deleteSoftLineBackward:{unit:Sd,direction:Rd},deleteContentForward:{unit:"character",direction:Id},deleteWordForward:{unit:Pd,direction:Id},deleteHardLineForward:{unit:Sd,direction:Id},deleteSoftLineForward:{unit:Sd,direction:Id}};class Md extends vs{constructor(e){super(e);const t=e.document;let i=0;t.on("keydown",()=>{i++}),t.on("keyup",()=>{i=0}),t.on("beforeinput",(o,r)=>{if(!this.isEnabled)return;const{targetRanges:s,domEvent:a,inputType:c}=r,l=Od[c];if(!l)return;const d={direction:l.direction,unit:l.unit,sequence:i};d.unit==Sd&&(d.selectionToRemove=e.createSelection(s[0])),"deleteContentBackward"===c&&(n.isAndroid&&(d.sequence=1),function(e){if(1!=e.length||e[0].isCollapsed)return!1;const t=e[0].getWalker({direction:"backward",singleCharacters:!0,ignoreElementEnd:!0});let n=0;for(const{nextPosition:e}of t){if(e.parent.is("$text")){const t=e.parent.data,i=e.offset;if(Ji(t,i)||Qi(t,i)||Xi(t,i))continue;n++}else n++;if(n>1)return!0}return!1}(s)&&(d.unit=Sd,d.selectionToRemove=e.createSelection(s)));const h=new wr(t,"delete",s[0]);t.fire(h,new xs(e,a,d)),h.stop.called&&o.stop()}),n.isBlink&&function(e){const t=e.view,n=t.document;let i=null,o=!1;function r(e){return e==vi.backspace||e==vi.delete}function s(e){return e==vi.backspace?Rd:Id}n.on("keydown",(e,{keyCode:t})=>{i=t,o=!1}),n.on("keyup",(a,{keyCode:c,domEvent:l})=>{const d=n.selection,h=e.isEnabled&&c==i&&r(c)&&!d.isCollapsed&&!o;if(i=null,h){const e=d.getFirstRange(),i=new wr(n,"delete",e),o={unit:Sd,direction:s(c),selectionToRemove:d};n.fire(i,new xs(t,l,o))}}),n.on("beforeinput",(e,{inputType:t})=>{const n=Od[t];r(i)&&n&&n.direction==s(i)&&(o=!0)},{priority:"high"}),n.on("beforeinput",(e,{inputType:t,data:n})=>{i==vi.delete&&"insertText"==t&&""==n&&e.stop()},{priority:"high"})}(this)}observe(){}stopObserving(){}}class Vd extends eo{static get pluginName(){return"Delete"}init(){const e=this.editor,t=e.editing.view,n=t.document,i=e.model.document;t.addObserver(Md),this._undoOnBackspace=!1;const o=new Td(e,"forward");e.commands.add("deleteForward",o),e.commands.add("forwardDelete",o),e.commands.add("delete",new Td(e,"backward")),this.listenTo(n,"delete",(i,o)=>{n.isComposing||o.preventDefault();const{direction:r,sequence:s,selectionToRemove:a,unit:c}=o,l="forward"===r?"deleteForward":"delete",d={sequence:s};if("selection"==c){const t=Array.from(a.getRanges()).map(t=>e.editing.mapper.toModelRange(t));d.selection=e.model.createSelection(t)}else d.unit=c;e.execute(l,d),t.scrollToTheSelection()},{priority:"low"}),this.editor.plugins.has("UndoEditing")&&(this.listenTo(n,"delete",(t,n)=>{this._undoOnBackspace&&"backward"==n.direction&&1==n.sequence&&"codePoint"==n.unit&&(this._undoOnBackspace=!1,e.execute("undo"),n.preventDefault(),t.stop())},{context:"$capture"}),this.listenTo(i,"change",()=>{this._undoOnBackspace=!1}))}requestUndoOnBackspace(){this.editor.plugins.has("UndoEditing")&&(this._undoOnBackspace=!0)}}class Nd extends eo{static get requires(){return[Cd,Vd]}static get pluginName(){return"Typing"}}function Dd(e,t){let n=e.start;return{text:Array.from(e.getWalker({ignoreElementEnd:!1})).reduce((e,{item:i})=>i.is("$text")||i.is("$textProxy")?e+i.data:(n=t.createPositionAfter(i),""),""),range:t.createRange(n,e.end)}}class Bd extends(F()){constructor(e,t){super(),this.model=e,this.testCallback=t,this._hasMatch=!1,this.set("isEnabled",!0),this.on("change:isEnabled",()=>{this.isEnabled?this._startListening():(this.stopListening(e.document.selection),this.stopListening(e.document))}),this._startListening()}get hasMatch(){return this._hasMatch}_startListening(){const e=this.model.document;this.listenTo(e.selection,"change:range",(t,{directChange:n})=>{n&&(e.selection.isCollapsed?this._evaluateTextBeforeSelection("selection"):this.hasMatch&&(this.fire("unmatched"),this._hasMatch=!1))}),this.listenTo(e,"change:data",(e,t)=>{!t.isUndo&&t.isLocal&&this._evaluateTextBeforeSelection("data",{batch:t})})}_evaluateTextBeforeSelection(e,t={}){const n=this.model,i=n.document.selection,o=n.createRange(n.createPositionAt(i.focus.parent,0),i.focus),{text:r,range:s}=Dd(o,n),a=this.testCallback(r);if(!a&&this.hasMatch&&this.fire("unmatched"),this._hasMatch=!!a,a){const n=Object.assign(t,{text:r,range:s});"object"==typeof a&&Object.assign(n,a),this.fire(`matched:${e}`,n)}}}class Ld extends eo{static get pluginName(){return"TwoStepCaretMovement"}constructor(e){super(e),this._isNextGravityRestorationSkipped=!1,this.attributes=new Set,this._overrideUid=null}init(){const e=this.editor,t=e.model,n=e.editing.view,i=e.locale,o=t.document.selection;this.listenTo(n.document,"arrowKey",(e,t)=>{if(!o.isCollapsed)return;if(t.shiftKey||t.altKey||t.ctrlKey)return;const n=t.keyCode==vi.arrowright,r=t.keyCode==vi.arrowleft;if(!n&&!r)return;const s=i.contentLanguageDirection;let a=!1;a="ltr"===s&&n||"rtl"===s&&r?this._handleForwardMovement(t):this._handleBackwardMovement(t),!0===a&&e.stop()},{context:"$text",priority:"highest"}),this.listenTo(o,"change:range",(e,t)=>{this._isNextGravityRestorationSkipped?this._isNextGravityRestorationSkipped=!1:this._isGravityOverridden&&(!t.directChange&&qd(o.getFirstPosition(),this.attributes)||this._restoreGravity())}),this._enableClickingAfterNode(),this._enableInsertContentSelectionAttributesFixer(),this._handleDeleteContentAfterNode()}registerAttribute(e){this.attributes.add(e)}_handleForwardMovement(e){const t=this.attributes,n=this.editor.model,i=n.document.selection,o=i.getFirstPosition();return!(this._isGravityOverridden||o.isAtStart&&Fd(i,t)||!qd(o,t)||(Hd(e),Fd(i,t)&&qd(o,t,!0)?$d(n,t):this._overrideGravity(),0))}_handleBackwardMovement(e){const t=this.attributes,n=this.editor.model,i=n.document.selection,o=i.getFirstPosition();return this._isGravityOverridden?(Hd(e),this._restoreGravity(),qd(o,t,!0)?$d(n,t):zd(n,t,o),!0):o.isAtStart?!!Fd(i,t)&&(Hd(e),zd(n,t,o),!0):!Fd(i,t)&&qd(o,t,!0)?(Hd(e),zd(n,t,o),!0):!!jd(o,t)&&(o.isAtEnd&&!Fd(i,t)&&qd(o,t)?(Hd(e),zd(n,t,o),!0):(this._isNextGravityRestorationSkipped=!0,this._overrideGravity(),!1))}_enableClickingAfterNode(){const e=this.editor,t=e.model,n=t.document.selection,i=e.editing.view.document;e.editing.view.addObserver(dd);let o=!1;this.listenTo(i,"mousedown",()=>{o=!0}),this.listenTo(i,"selectionChange",()=>{const e=this.attributes;if(!o)return;if(o=!1,!n.isCollapsed)return;if(!Fd(n,e))return;const i=n.getFirstPosition();qd(i,e)&&(i.isAtStart||qd(i,e,!0)?$d(t,e):this._isGravityOverridden||this._overrideGravity())})}_enableInsertContentSelectionAttributesFixer(){const e=this.editor.model,t=e.document.selection,n=this.attributes;this.listenTo(e,"insertContent",()=>{const i=t.getFirstPosition();Fd(t,n)&&qd(i,n)&&$d(e,n)},{priority:"low"})}_handleDeleteContentAfterNode(){const e=this.editor,t=e.model,n=t.document.selection,i=e.editing.view;let o=!1,r=!1;this.listenTo(i.document,"delete",(e,t)=>{o="backward"===t.direction},{priority:"high"}),this.listenTo(t,"deleteContent",()=>{if(!o)return;const e=n.getFirstPosition();r=Fd(n,this.attributes)&&!jd(e,this.attributes)},{priority:"high"}),this.listenTo(t,"deleteContent",()=>{o&&(o=!1,r||e.model.enqueueChange(()=>{const e=n.getFirstPosition();Fd(n,this.attributes)&&qd(e,this.attributes)&&(e.isAtStart||qd(e,this.attributes,!0)?$d(t,this.attributes):this._isGravityOverridden||this._overrideGravity())}))},{priority:"low"})}get _isGravityOverridden(){return!!this._overrideUid}_overrideGravity(){this._overrideUid=this.editor.model.change(e=>e.overrideSelectionGravity())}_restoreGravity(){this.editor.model.change(e=>{e.restoreSelectionGravity(this._overrideUid),this._overrideUid=null})}}function Fd(e,t){for(const n of t)if(e.hasAttribute(n))return!0;return!1}function zd(e,t,n){const i=n.nodeBefore;e.change(n=>{if(i){const t=[],o=e.schema.isObject(i)&&e.schema.isInline(i);for(const[n,r]of i.getAttributes())!e.schema.checkAttribute("$text",n)||o&&!1===e.schema.getAttributeProperties(n).copyFromObject||t.push([n,r]);n.setSelectionAttribute(t)}else n.removeSelectionAttribute(t)})}function $d(e,t){e.change(e=>{e.removeSelectionAttribute(t)})}function Hd(e){e.preventDefault()}function jd(e,t){return qd(e.getShiftedBy(-1),t)}function qd(e,t,n=!1){const{nodeBefore:i,nodeAfter:o}=e;for(const e of t){const t=i?i.getAttribute(e):void 0,r=o?o.getAttribute(e):void 0;if((!n||void 0!==t&&void 0!==r)&&r!==t)return!0}return!1}var Wd=/[\\^$.*+?()[\]{}|]/g,Ud=RegExp(Wd.source);function Zd(e){return new RegExp(`(^|\\s)(${e})([^${e}]*)(${e})$`)}function Kd(e,t,n,i){return i.createRange(Gd(e,t,n,!0,i),Gd(e,t,n,!1,i))}function Gd(e,t,n,i,o){let r=e.textNode||(i?e.nodeBefore:e.nodeAfter),s=null;for(;r&&r.getAttribute(t)==n;)s=r,r=i?r.previousSibling:r.nextSibling;return s?o.createPositionAt(s,i?"before":"after"):e}function Jd(e,t,n,i){const o=e.editing.view,r=new Set;o.document.registerPostFixer(o=>{const s=e.model.document.selection;let a=!1;if(s.hasAttribute(t)){const c=Kd(s.getFirstPosition(),t,s.getAttribute(t),e.model),l=e.editing.mapper.toViewRange(c);for(const e of l.getItems())e.is("element",n)&&!e.hasClass(i)&&(o.addClass(i,e),r.add(e),a=!0)}return a}),e.conversion.for("editingDowncast").add(e=>{function t(){o.change(e=>{for(const t of r.values())e.removeClass(i,t),r.delete(t)})}e.on("insert",t,{priority:"highest"}),e.on("remove",t,{priority:"highest"}),e.on("attribute",t,{priority:"highest"}),e.on("selection",t,{priority:"highest"})})}function Qd(e,t,n,i){let o,r=null;"function"==typeof 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p("ui-view-render-already-rendered",this);this.template&&(this.element=this.template.render(),this.registerChild(this.template.getViews())),this.isRendered=!0}destroy(){this.stopListening(),this._viewCollections.map(e=>e.destroy()),this.template&&this.template._revertData&&this.template.revert(this.element)}}var Ph=o(4606),Sh={};Sh.setAttributes=po(),Sh.insert=fo().bind(null,"head"),Sh.domAPI=ho(),Sh.insertStyleElement=bo(),co()(Ph.A,Sh),Ph.A&&Ph.A.locals&&Ph.A.locals;class Rh extends Th{constructor(e){super(e),this.set("text",void 0),this.set("for",void 0),this.id=`ck-editor__label_${u()}`;const t=this.bindTemplate;this.setTemplate({tag:"label",attributes:{class:["ck","ck-label"],id:this.id,for:t.to("for")},children:[{text:t.to("text")}]})}}class Ih extends Th{constructor(e,t){super(e);const n=e.t,i=new Rh;i.text=n("Help Contents. 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Array.from(e.attributes))zh.presentationalAttributeNames.includes(t)&&this.element.setAttribute(t,n);for(;this.element.firstChild;)this.element.removeChild(this.element.firstChild);for(;e.childNodes.length>0;)this.element.appendChild(e.childNodes[0])}}_colorFillPaths(){this.fillColor&&this.element.querySelectorAll(".ck-icon__fill").forEach(e=>{e.style.fill=this.fillColor})}}zh.presentationalAttributeNames=["alignment-baseline","baseline-shift","clip-path","clip-rule","color","color-interpolation","color-interpolation-filters","color-rendering","cursor","direction","display","dominant-baseline","fill","fill-opacity","fill-rule","filter","flood-color","flood-opacity","font-family","font-size","font-size-adjust","font-stretch","font-style","font-variant","font-weight","image-rendering","letter-spacing","lighting-color","marker-end","marker-mid","marker-start","mask","opacity","overflow","paint-order","pointer-events","shape-rendering","stop-color","stop-opacity","stroke","stroke-dasharray","stroke-dashoffset","stroke-linecap","stroke-linejoin","stroke-miterlimit","stroke-opacity","stroke-width","text-anchor","text-decoration","text-overflow","text-rendering","transform","unicode-bidi","vector-effect","visibility","white-space","word-spacing","writing-mode"];const $h=zh;class Hh extends Th{constructor(){super(),this.set({style:void 0,text:void 0,id:void 0});const e=this.bindTemplate;this.setTemplate({tag:"span",attributes:{class:["ck","ck-button__label"],style:e.to("style"),id:e.to("id")},children:[{text:e.to("text")}]})}}var jh=o(8948),qh={};qh.setAttributes=po(),qh.insert=fo().bind(null,"head"),qh.domAPI=ho(),qh.insertStyleElement=bo(),co()(jh.A,qh),jh.A&&jh.A.locals&&jh.A.locals;class Wh extends Th{constructor(e,t=new Hh){super(e),this._focusDelayed=null;const i=this.bindTemplate,o=u();this.set("ariaLabel",void 0),this.set("ariaLabelledBy",`ck-editor__aria-label_${o}`),this.set("class",void 0),this.set("labelStyle",void 0),this.set("icon",void 0),this.set("isEnabled",!0),this.set("isOn",!1),this.set("isVisible",!0),this.set("isToggleable",!1),this.set("keystroke",void 0),this.set("label",void 0),this.set("role",void 0),this.set("tabindex",-1),this.set("tooltip",!1),this.set("tooltipPosition","s"),this.set("type","button"),this.set("withText",!1),this.set("withKeystroke",!1),this.children=this.createCollection(),this.labelView=this._setupLabelView(t),this.iconView=new $h,this.iconView.extendTemplate({attributes:{class:"ck-button__icon"}}),this.keystrokeView=this._createKeystrokeView(),this.bind("_tooltipString").to(this,"tooltip",this,"label",this,"keystroke",this._getTooltipString.bind(this));const r={tag:"button",attributes:{class:["ck","ck-button",i.to("class"),i.if("isEnabled","ck-disabled",e=>!e),i.if("isVisible","ck-hidden",e=>!e),i.to("isOn",e=>e?"ck-on":"ck-off"),i.if("withText","ck-button_with-text"),i.if("withKeystroke","ck-button_with-keystroke")],role:i.to("role"),type:i.to("type",e=>e||"button"),tabindex:i.to("tabindex"),"aria-label":i.to("ariaLabel"),"aria-labelledby":i.to("ariaLabelledBy"),"aria-disabled":i.if("isEnabled",!0,e=>!e),"aria-pressed":i.to("isOn",e=>!!this.isToggleable&&String(!!e)),"data-cke-tooltip-text":i.to("_tooltipString"),"data-cke-tooltip-position":i.to("tooltipPosition")},children:this.children,on:{click:i.to(e=>{this.isEnabled?this.fire("execute"):e.preventDefault()})}};n.isSafari&&(this._focusDelayed||(this._focusDelayed=Gi(()=>this.focus(),0)),r.on.mousedown=i.to(()=>{this._focusDelayed()}),r.on.mouseup=i.to(()=>{this._focusDelayed.cancel()})),this.setTemplate(r)}render(){super.render(),this.icon&&(this.iconView.bind("content").to(this,"icon"),this.children.add(this.iconView)),this.children.add(this.labelView),this.withKeystroke&&this.keystroke&&this.children.add(this.keystrokeView)}focus(){this.element.focus()}destroy(){this._focusDelayed&&this._focusDelayed.cancel(),super.destroy()}_setupLabelView(e){return e.bind("text","style","id").to(this,"label","labelStyle","ariaLabelledBy"),e}_createKeystrokeView(){const e=new Th;return e.setTemplate({tag:"span",attributes:{class:["ck","ck-button__keystroke"]},children:[{text:this.bindTemplate.to("keystroke",e=>Ci(e))}]}),e}_getTooltipString(e,t,n){return e?"string"==typeof e?e:(n&&(n=Ci(n)),e instanceof Function?e(t,n):`${t}${n?` (${n})`:""}`):""}}var Uh=o(9624),Zh={};Zh.setAttributes=po(),Zh.insert=fo().bind(null,"head"),Zh.domAPI=ho(),Zh.insertStyleElement=bo(),co()(Uh.A,Zh),Uh.A&&Uh.A.locals&&Uh.A.locals;class Kh extends Wh{constructor(e){super(e),this.isToggleable=!0,this.toggleSwitchView=this._createToggleView(),this.extendTemplate({attributes:{class:"ck-switchbutton"}})}render(){super.render(),this.children.add(this.toggleSwitchView)}_createToggleView(){const e=new Th;return e.setTemplate({tag:"span",attributes:{class:["ck","ck-button__toggle"]},children:[{tag:"span",attributes:{class:["ck","ck-button__toggle__inner"]}}]}),e}}const Gh='<svg viewBox="0 0 10 10" xmlns="http://www.w3.org/2000/svg"><path d="M.941 4.523a.75.75 0 1 1 1.06-1.06l3.006 3.005 3.005-3.005a.75.75 0 1 1 1.06 1.06l-3.549 3.55a.75.75 0 0 1-1.168-.136L.941 4.523z"/></svg>';var Jh=o(1750),Qh={};Qh.setAttributes=po(),Qh.insert=fo().bind(null,"head"),Qh.domAPI=ho(),Qh.insertStyleElement=bo(),co()(Jh.A,Qh),Jh.A&&Jh.A.locals&&Jh.A.locals;var Yh=o(7962),Xh={};Xh.setAttributes=po(),Xh.insert=fo().bind(null,"head"),Xh.domAPI=ho(),Xh.insertStyleElement=bo(),co()(Yh.A,Xh),Yh.A&&Yh.A.locals&&Yh.A.locals,o(8156),o(734);var eu=o(6365),tu={};tu.setAttributes=po(),tu.insert=fo().bind(null,"head"),tu.domAPI=ho(),tu.insertStyleElement=bo(),co()(eu.A,tu),eu.A&&eu.A.locals&&eu.A.locals;class nu extends Th{constructor(e,t){super(e);const n=`ck-labeled-field-view-${u()}`,i=`ck-labeled-field-view-status-${u()}`;this.fieldView=t(this,n,i),this.set("label",void 0),this.set("isEnabled",!0),this.set("isEmpty",!0),this.set("isFocused",!1),this.set("errorText",null),this.set("infoText",null),this.set("class",void 0),this.set("placeholder",void 0),this.labelView=this._createLabelView(n),this.statusView=this._createStatusView(i),this.fieldWrapperChildren=this.createCollection([this.fieldView,this.labelView]),this.bind("_statusText").to(this,"errorText",this,"infoText",(e,t)=>e||t);const o=this.bindTemplate;this.setTemplate({tag:"div",attributes:{class:["ck","ck-labeled-field-view",o.to("class"),o.if("isEnabled","ck-disabled",e=>!e),o.if("isEmpty","ck-labeled-field-view_empty"),o.if("isFocused","ck-labeled-field-view_focused"),o.if("placeholder","ck-labeled-field-view_placeholder"),o.if("errorText","ck-error")]},children:[{tag:"div",attributes:{class:["ck","ck-labeled-field-view__input-wrapper"]},children:this.fieldWrapperChildren},this.statusView]})}_createLabelView(e){const t=new Rh(this.locale);return t.for=e,t.bind("text").to(this,"label"),t}_createStatusView(e){const t=new Th(this.locale),n=this.bindTemplate;return t.setTemplate({tag:"div",attributes:{class:["ck","ck-labeled-field-view__status",n.if("errorText","ck-labeled-field-view__status_error"),n.if("_statusText","ck-hidden",e=>!e)],id:e,role:n.if("errorText","alert")},children:[{text:n.to("_statusText")}]}),t}focus(e){this.fieldView.focus(e)}}class iu extends Th{constructor(e){super(e),this.set("value",void 0),this.set("id",void 0),this.set("placeholder",void 0),this.set("isReadOnly",!1),this.set("hasError",!1),this.set("ariaDescribedById",void 0),this.focusTracker=new Ui,this.bind("isFocused").to(this.focusTracker),this.set("isEmpty",!0);const t=this.bindTemplate;this.setTemplate({tag:"input",attributes:{class:["ck","ck-input",t.if("isFocused","ck-input_focused"),t.if("isEmpty","ck-input-text_empty"),t.if("hasError","ck-error")],id:t.to("id"),placeholder:t.to("placeholder"),readonly:t.to("isReadOnly"),"aria-invalid":t.if("hasError",!0),"aria-describedby":t.to("ariaDescribedById")},on:{input:t.to((...e)=>{this.fire("input",...e),this._updateIsEmpty()}),change:t.to(this._updateIsEmpty.bind(this))}})}render(){super.render(),this.focusTracker.add(this.element),this._setDomElementValue(this.value),this._updateIsEmpty(),this.on("change:value",(e,t,n)=>{this._setDomElementValue(n),this._updateIsEmpty()})}destroy(){super.destroy(),this.focusTracker.destroy()}select(){this.element.select()}focus(){this.element.focus()}reset(){this.value=this.element.value="",this._updateIsEmpty()}_updateIsEmpty(){this.isEmpty=!this.element.value}_setDomElementValue(e){this.element.value=e||0===e?e:""}}var ou=o(1546),ru={};ru.setAttributes=po(),ru.insert=fo().bind(null,"head"),ru.domAPI=ho(),ru.insertStyleElement=bo(),co()(ou.A,ru),ou.A&&ou.A.locals&&ou.A.locals;class su extends iu{constructor(e){super(e),this.set("inputMode","text");const t=this.bindTemplate;this.extendTemplate({attributes:{inputmode:t.to("inputMode")}})}}class au extends su{constructor(e){super(e),this.extendTemplate({attributes:{type:"text",class:["ck-input-text"]}})}}var cu=o(8368),lu={};lu.setAttributes=po(),lu.insert=fo().bind(null,"head"),lu.domAPI=ho(),lu.insertStyleElement=bo(),co()(cu.A,lu),cu.A&&cu.A.locals&&cu.A.locals;class du extends Th{constructor(e){super(e);const t=this.bindTemplate;this.set("isVisible",!1),this.set("position","se"),this.children=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-reset","ck-dropdown__panel",t.to("position",e=>`ck-dropdown__panel_${e}`),t.if("isVisible","ck-dropdown__panel-visible")],tabindex:"-1"},children:this.children,on:{selectstart:t.to(e=>{"input"!==e.target.tagName.toLocaleLowerCase()&&e.preventDefault()})}})}focus(){if(this.children.length){const e=this.children.first;"function"==typeof e.focus?e.focus():m("ui-dropdown-panel-focus-child-missing-focus",{childView:this.children.first,dropdownPanel:this})}}focusLast(){if(this.children.length){const e=this.children.last;"function"==typeof e.focusLast?e.focusLast():e.focus()}}}var hu=o(426),uu={};uu.setAttributes=po(),uu.insert=fo().bind(null,"head"),uu.domAPI=ho(),uu.insertStyleElement=bo(),co()(hu.A,uu),hu.A&&hu.A.locals&&hu.A.locals;class fu extends Th{constructor(e,t,n){super(e);const i=this.bindTemplate;this.buttonView=t,this.panelView=n,this.set("isOpen",!1),this.set("isEnabled",!0),this.set("class",void 0),this.set("id",void 0),this.set("panelPosition","auto"),this.panelView.bind("isVisible").to(this,"isOpen"),this.keystrokes=new Zi,this.focusTracker=new Ui,this.setTemplate({tag:"div",attributes:{class:["ck","ck-dropdown",i.to("class"),i.if("isEnabled","ck-disabled",e=>!e)],id:i.to("id"),"aria-describedby":i.to("ariaDescribedById")},children:[t,n]}),t.extendTemplate({attributes:{class:["ck-dropdown__button"],"data-cke-tooltip-disabled":i.to("isOpen")}})}render(){super.render(),this.focusTracker.add(this.buttonView.element),this.focusTracker.add(this.panelView.element),this.listenTo(this.buttonView,"open",()=>{this.isOpen=!this.isOpen}),this.on("change:isOpen",(e,t,n)=>{if(n)if("auto"===this.panelPosition){const e=fu._getOptimalPosition({element:this.panelView.element,target:this.buttonView.element,fitInViewport:!0,positions:this._panelPositions});this.panelView.position=e?e.name:this._panelPositions[0].name}else this.panelView.position=this.panelPosition}),this.keystrokes.listenTo(this.element);const e=(e,t)=>{this.isOpen&&(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()}get _panelPositions(){const{south:e,north:t,southEast:n,southWest:i,northEast:o,northWest:r,southMiddleEast:s,southMiddleWest:a,northMiddleEast:c,northMiddleWest:l}=fu.defaultPanelPositions;return"rtl"!==this.locale.uiLanguageDirection?[n,i,s,a,e,o,r,c,l,t]:[i,n,a,s,e,r,o,l,c,t]}}fu.defaultPanelPositions={south:(e,t)=>({top:e.bottom,left:e.left-(t.width-e.width)/2,name:"s"}),southEast:e=>({top:e.bottom,left:e.left,name:"se"}),southWest:(e,t)=>({top:e.bottom,left:e.left-t.width+e.width,name:"sw"}),southMiddleEast:(e,t)=>({top:e.bottom,left:e.left-(t.width-e.width)/4,name:"sme"}),southMiddleWest:(e,t)=>({top:e.bottom,left:e.left-3*(t.width-e.width)/4,name:"smw"}),north:(e,t)=>({top:e.top-t.height,left:e.left-(t.width-e.width)/2,name:"n"}),northEast:(e,t)=>({top:e.top-t.height,left:e.left,name:"ne"}),northWest:(e,t)=>({top:e.top-t.height,left:e.left-t.width+e.width,name:"nw"}),northMiddleEast:(e,t)=>({top:e.top-t.height,left:e.left-(t.width-e.width)/4,name:"nme"}),northMiddleWest:(e,t)=>({top:e.top-t.height,left:e.left-3*(t.width-e.width)/4,name:"nmw"})},fu._getOptimalPosition=ri;const gu=fu;class pu extends Wh{constructor(e){super(e),this.arrowView=this._createArrowView(),this.extendTemplate({attributes:{"aria-haspopup":!0,"aria-expanded":this.bindTemplate.to("isOn",e=>String(e))}}),this.delegate("execute").to(this,"open")}render(){super.render(),this.children.add(this.arrowView)}_createArrowView(){const e=new $h;return e.content=Gh,e.extendTemplate({attributes:{class:"ck-dropdown__arrow"}}),e}}class mu extends(x()){constructor(e){if(super(),this.focusables=e.focusables,this.focusTracker=e.focusTracker,this.keystrokeHandler=e.keystrokeHandler,this.actions=e.actions,e.actions&&e.keystrokeHandler)for(const t in e.actions){let n=e.actions[t];"string"==typeof n&&(n=[n]);for(const i of n)e.keystrokeHandler.set(i,(e,n)=>{this[t](),n()})}this.on("forwardCycle",()=>this.focusFirst(),{priority:"low"}),this.on("backwardCycle",()=>this.focusLast(),{priority:"low"})}get first(){return this.focusables.find(bu)||null}get last(){return this.focusables.filter(bu).slice(-1)[0]||null}get next(){return this._getDomFocusableItem(1)}get previous(){return this._getDomFocusableItem(-1)}get current(){let e=null;return null===this.focusTracker.focusedElement?null:(this.focusables.find((t,n)=>{const i=t.element===this.focusTracker.focusedElement;return i&&(e=n),i}),e)}focusFirst(){this._focus(this.first,1)}focusLast(){this._focus(this.last,-1)}focusNext(){const e=this.next;e&&this.focusables.getIndex(e)===this.current||e===this.first?this.fire("forwardCycle"):this._focus(e,1)}focusPrevious(){const e=this.previous;e&&this.focusables.getIndex(e)===this.current||e===this.last?this.fire("backwardCycle"):this._focus(e,-1)}_focus(e,t){e&&this.focusTracker.focusedElement!==e.element&&e.focus(t)}_getDomFocusableItem(e){const t=this.focusables.length;if(!t)return null;const n=this.current;if(null===n)return this[1===e?"first":"last"];let i=this.focusables.get(n),o=(n+t+e)%t;do{const n=this.focusables.get(o);if(bu(n)){i=n;break}o=(o+t+e)%t}while(o!==n);return i}}function bu(e){return ku(e)&&oi(e.element)}function ku(e){return!(!("focus"in e)||"function"!=typeof e.focus)}class wu extends Th{constructor(e){super(e),this.setTemplate({tag:"span",attributes:{class:["ck","ck-toolbar__separator"]}})}}class _u extends Th{constructor(e){super(e),this.setTemplate({tag:"span",attributes:{class:["ck","ck-toolbar__line-break"]}})}}function vu(e){if(Array.isArray(e))return{items:e,removeItems:[]};const t={items:[],removeItems:[]};return e?{...t,...e}:t}var yu=o(66),xu={};xu.setAttributes=po(),xu.insert=fo().bind(null,"head"),xu.domAPI=ho(),xu.insertStyleElement=bo(),co()(yu.A,xu),yu.A&&yu.A.locals&&yu.A.locals;const{threeVerticalDots:Au}=_d,Cu={alignLeft:_d.alignLeft,bold:_d.bold,importExport:_d.importExport,paragraph:_d.paragraph,plus:_d.plus,text:_d.text,threeVerticalDots:_d.threeVerticalDots,pilcrow:_d.pilcrow,dragIndicator:_d.dragIndicator};class Eu extends Th{constructor(e,t){super(e);const n=this.bindTemplate,i=this.t;this.options=t||{},this.set("ariaLabel",i("Editor toolbar")),this.set("maxWidth","auto"),this.items=this.createCollection(),this.focusTracker=new Ui,this.keystrokes=new Zi,this.set("class",void 0),this.set("isCompact",!1),this.itemsView=new Tu(e),this.children=this.createCollection(),this.children.add(this.itemsView),this.focusables=this.createCollection();const o="rtl"===e.uiLanguageDirection;this._focusCycler=new mu({focusables:this.focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:[o?"arrowright":"arrowleft","arrowup"],focusNext:[o?"arrowleft":"arrowright","arrowdown"]}});const r=["ck","ck-toolbar",n.to("class"),n.if("isCompact","ck-toolbar_compact")];var s;this.options.shouldGroupWhenFull&&this.options.isFloating&&r.push("ck-toolbar_floating"),this.setTemplate({tag:"div",attributes:{class:r,role:"toolbar","aria-label":n.to("ariaLabel"),style:{maxWidth:n.to("maxWidth")},tabindex:-1},children:this.children,on:{mousedown:(s=this,s.bindTemplate.to(e=>{e.target===s.element&&e.preventDefault()}))}}),this._behavior=this.options.shouldGroupWhenFull?new Su(this):new Pu(this)}render(){super.render(),this.focusTracker.add(this.element);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),this._behavior.render(this)}destroy(){return this._behavior.destroy(),this.focusTracker.destroy(),this.keystrokes.destroy(),super.destroy()}focus(){this._focusCycler.focusFirst()}focusLast(){this._focusCycler.focusLast()}fillFromConfig(e,t,n){this.items.addMany(this._buildItemsFromConfig(e,t,n))}_buildItemsFromConfig(e,t,n){const i=vu(e),o=n||i.removeItems;return this._cleanItemsConfiguration(i.items,t,o).map(e=>O(e)?this._createNestedToolbarDropdown(e,t,o):"|"===e?new wu:"-"===e?new _u:t.create(e)).filter(e=>!!e)}_cleanItemsConfiguration(e,t,n){const i=e.filter((e,i,o)=>"|"===e||-1===n.indexOf(e)&&("-"===e?!this.options.shouldGroupWhenFull||(m("toolbarview-line-break-ignored-when-grouping-items",o),!1):!(!O(e)&&!t.has(e)&&(m("toolbarview-item-unavailable",{item:e}),1))));return this._cleanSeparatorsAndLineBreaks(i)}_cleanSeparatorsAndLineBreaks(e){const t=e=>"-"!==e&&"|"!==e,n=e.length,i=e.findIndex(t);if(-1===i)return[];const o=n-e.slice().reverse().findIndex(t);return e.slice(i,o).filter((e,n,i)=>!!t(e)||!(n>0&&i[n-1]===e))}_createNestedToolbarDropdown(e,t,n){let{label:i,icon:o,items:r,tooltip:s=!0,withText:a=!1}=e;if(r=this._cleanItemsConfiguration(r,t,n),!r.length)return null;const c=ju(this.locale);return i||m("toolbarview-nested-toolbar-dropdown-missing-label",e),c.class="ck-toolbar__nested-toolbar-dropdown",c.buttonView.set({label:i,tooltip:s,withText:!!a}),!1!==o?c.buttonView.icon=Cu[o]||o||Au:c.buttonView.withText=!0,qu(c,()=>c.toolbarView._buildItemsFromConfig(r,t,n)),c}}class Tu extends Th{constructor(e){super(e),this.children=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-toolbar__items"]},children:this.children})}}class Pu{constructor(e){const t=e.bindTemplate;e.set("isVertical",!1),e.itemsView.children.bindTo(e.items).using(e=>e),e.focusables.bindTo(e.items).using(e=>ku(e)?e:null),e.extendTemplate({attributes:{class:[t.if("isVertical","ck-toolbar_vertical")]}})}render(){}destroy(){}}class Su{constructor(e){this.resizeObserver=null,this.cachedPadding=null,this.shouldUpdateGroupingOnNextResize=!1,this.view=e,this.viewChildren=e.children,this.viewFocusables=e.focusables,this.viewItemsView=e.itemsView,this.viewFocusTracker=e.focusTracker,this.viewLocale=e.locale,this.ungroupedItems=e.createCollection(),this.groupedItems=e.createCollection(),this.groupedItemsDropdown=this._createGroupedItemsDropdown(),e.itemsView.children.bindTo(this.ungroupedItems).using(e=>e),this.ungroupedItems.on("change",this._updateFocusCyclableItems.bind(this)),e.children.on("change",this._updateFocusCyclableItems.bind(this)),e.items.on("change",(e,t)=>{const n=t.index,i=Array.from(t.added);for(const e of t.removed)n>=this.ungroupedItems.length?this.groupedItems.remove(e):this.ungroupedItems.remove(e);for(let e=n;e<n+i.length;e++){const t=i[e-n];e>this.ungroupedItems.length?this.groupedItems.add(t,e-this.ungroupedItems.length):this.ungroupedItems.add(t,e)}this._updateGrouping()}),e.extendTemplate({attributes:{class:["ck-toolbar_grouping"]}})}render(e){this.viewElement=e.element,this._enableGroupingOnResize(),this._enableGroupingOnMaxWidthChange(e)}destroy(){this.groupedItemsDropdown.destroy(),this.resizeObserver.destroy()}_updateGrouping(){if(!this.viewElement.ownerDocument.body.contains(this.viewElement))return;if(!oi(this.viewElement))return void(this.shouldUpdateGroupingOnNextResize=!0);const e=this.groupedItems.length;let t;for(;this._areItemsOverflowing;)this._groupLastItem(),t=!0;if(!t&&this.groupedItems.length){for(;this.groupedItems.length&&!this._areItemsOverflowing;)this._ungroupFirstItem();this._areItemsOverflowing&&this._groupLastItem()}this.groupedItems.length!==e&&this.view.fire("groupedItemsUpdate")}get _areItemsOverflowing(){if(!this.ungroupedItems.length)return!1;const e=this.viewElement,t=this.viewLocale.uiLanguageDirection,n=new Wn(e.lastChild),i=new Wn(e);if(!this.cachedPadding){const n=Fn.window.getComputedStyle(e),i="ltr"===t?"paddingRight":"paddingLeft";this.cachedPadding=Number.parseInt(n[i])}return"ltr"===t?n.right>i.right-this.cachedPadding:n.left<i.left+this.cachedPadding}_enableGroupingOnResize(){let e;this.resizeObserver=new Yn(this.viewElement,t=>{e&&e===t.contentRect.width&&!this.shouldUpdateGroupingOnNextResize||(this.shouldUpdateGroupingOnNextResize=!1,this._updateGrouping(),e=t.contentRect.width)}),this._updateGrouping()}_enableGroupingOnMaxWidthChange(e){e.on("change:maxWidth",()=>{this._updateGrouping()})}_groupLastItem(){this.groupedItems.length||(this.viewChildren.add(new wu),this.viewChildren.add(this.groupedItemsDropdown),this.viewFocusTracker.add(this.groupedItemsDropdown.element)),this.groupedItems.add(this.ungroupedItems.remove(this.ungroupedItems.last),0)}_ungroupFirstItem(){this.ungroupedItems.add(this.groupedItems.remove(this.groupedItems.first)),this.groupedItems.length||(this.viewChildren.remove(this.groupedItemsDropdown),this.viewChildren.remove(this.viewChildren.last),this.viewFocusTracker.remove(this.groupedItemsDropdown.element))}_createGroupedItemsDropdown(){const e=this.viewLocale,t=e.t,n=ju(e);return n.class="ck-toolbar__grouped-dropdown",n.panelPosition="ltr"===e.uiLanguageDirection?"sw":"se",qu(n,this.groupedItems),n.buttonView.set({label:t("Show more items"),tooltip:!0,tooltipPosition:"rtl"===e.uiLanguageDirection?"se":"sw",icon:Au}),n}_updateFocusCyclableItems(){this.viewFocusables.clear(),this.ungroupedItems.map(e=>{ku(e)&&this.viewFocusables.add(e)}),this.groupedItems.length&&this.viewFocusables.add(this.groupedItemsDropdown)}}class Ru extends Th{constructor(e){super(e);const t=this.bindTemplate;this.set("isVisible",!0),this.children=this.createCollection(),this.setTemplate({tag:"li",attributes:{class:["ck","ck-list__item",t.if("isVisible","ck-hidden",e=>!e)],role:"presentation"},children:this.children})}focus(){this.children.first&&this.children.first.focus()}}class Iu extends Th{constructor(e){super(e),this.setTemplate({tag:"li",attributes:{class:["ck","ck-list__separator"]}})}}class Ou extends Th{constructor(e,t=new Rh){super(e);const n=this.bindTemplate,i=new Nu(e);this.set({label:"",isVisible:!0}),this.labelView=t,this.labelView.bind("text").to(this,"label"),this.children=this.createCollection(),this.children.addMany([this.labelView,i]),i.set({role:"group",ariaLabelledBy:t.id}),i.focusTracker.destroy(),i.keystrokes.destroy(),this.items=i.items,this.setTemplate({tag:"li",attributes:{role:"presentation",class:["ck","ck-list__group",n.if("isVisible","ck-hidden",e=>!e)]},children:this.children})}focus(){if(this.items){const e=this.items.find(e=>!(e instanceof Iu));e&&e.focus()}}}var Mu=o(6048),Vu={};Vu.setAttributes=po(),Vu.insert=fo().bind(null,"head"),Vu.domAPI=ho(),Vu.insertStyleElement=bo(),co()(Mu.A,Vu),Mu.A&&Mu.A.locals&&Mu.A.locals;class Nu extends Th{constructor(e){super(e),this._listItemGroupToChangeListeners=new WeakMap;const t=this.bindTemplate;this.focusables=new nh,this.items=this.createCollection(),this.focusTracker=new Ui,this.keystrokes=new Zi,this._focusCycler=new mu({focusables:this.focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"arrowup",focusNext:"arrowdown"}}),this.set("ariaLabel",void 0),this.set("ariaLabelledBy",void 0),this.set("role",void 0),this.setTemplate({tag:"ul",attributes:{class:["ck","ck-reset","ck-list"],role:t.to("role"),"aria-label":t.to("ariaLabel"),"aria-labelledby":t.to("ariaLabelledBy")},children:this.items})}render(){super.render();for(const e of this.items)e instanceof Ou?this._registerFocusableItemsGroup(e):e instanceof Ru&&this._registerFocusableListItem(e);this.items.on("change",(e,t)=>{for(const e of t.removed)e instanceof Ou?this._deregisterFocusableItemsGroup(e):e instanceof Ru&&this._deregisterFocusableListItem(e);for(const e of Array.from(t.added).reverse())e instanceof Ou?this._registerFocusableItemsGroup(e,t.index):this._registerFocusableListItem(e,t.index)}),this.keystrokes.listenTo(this.element)}destroy(){super.destroy(),this.focusTracker.destroy(),this.keystrokes.destroy()}focus(){this._focusCycler.focusFirst()}focusFirst(){this._focusCycler.focusFirst()}focusLast(){this._focusCycler.focusLast()}_registerFocusableListItem(e,t){this.focusTracker.add(e.element),this.focusables.add(e,t)}_deregisterFocusableListItem(e){this.focusTracker.remove(e.element),this.focusables.remove(e)}_getOnGroupItemsChangeCallback(e){return(t,n)=>{for(const e of n.removed)this._deregisterFocusableListItem(e);for(const t of Array.from(n.added).reverse())this._registerFocusableListItem(t,this.items.getIndex(e)+n.index)}}_registerFocusableItemsGroup(e,t){Array.from(e.items).forEach((e,n)=>{const i=void 0!==t?t+n:void 0;this._registerFocusableListItem(e,i)});const n=this._getOnGroupItemsChangeCallback(e);this._listItemGroupToChangeListeners.set(e,n),e.items.on("change",n)}_deregisterFocusableItemsGroup(e){for(const t of e.items)this._deregisterFocusableListItem(t);e.items.off("change",this._listItemGroupToChangeListeners.get(e)),this._listItemGroupToChangeListeners.delete(e)}}var Du=o(7133),Bu={};Bu.setAttributes=po(),Bu.insert=fo().bind(null,"head"),Bu.domAPI=ho(),Bu.insertStyleElement=bo(),co()(Du.A,Bu),Du.A&&Du.A.locals&&Du.A.locals;class Lu extends Th{constructor(e,t){super(e);const n=this.bindTemplate;this.set("class",void 0),this.set("labelStyle",void 0),this.set("icon",void 0),this.set("isEnabled",!0),this.set("isOn",!1),this.set("isToggleable",!1),this.set("isVisible",!0),this.set("keystroke",void 0),this.set("withKeystroke",!1),this.set("label",void 0),this.set("tabindex",-1),this.set("tooltip",!1),this.set("tooltipPosition","s"),this.set("type","button"),this.set("withText",!1),this.children=this.createCollection(),this.actionView=this._createActionView(t),this.arrowView=this._createArrowView(),this.keystrokes=new Zi,this.focusTracker=new Ui,this.setTemplate({tag:"div",attributes:{class:["ck","ck-splitbutton",n.to("class"),n.if("isVisible","ck-hidden",e=>!e),this.arrowView.bindTemplate.if("isOn","ck-splitbutton_open")]},children:this.children})}render(){super.render(),this.children.add(this.actionView),this.children.add(this.arrowView),this.focusTracker.add(this.actionView.element),this.focusTracker.add(this.arrowView.element),this.keystrokes.listenTo(this.element),this.keystrokes.set("arrowright",(e,t)=>{this.focusTracker.focusedElement===this.actionView.element&&(this.arrowView.focus(),t())}),this.keystrokes.set("arrowleft",(e,t)=>{this.focusTracker.focusedElement===this.arrowView.element&&(this.actionView.focus(),t())})}destroy(){super.destroy(),this.focusTracker.destroy(),this.keystrokes.destroy()}focus(){this.actionView.focus()}_createActionView(e){const t=e||new Wh;return e||t.bind("icon","isEnabled","isOn","isToggleable","keystroke","label","tabindex","tooltip","tooltipPosition","type","withText").to(this),t.extendTemplate({attributes:{class:"ck-splitbutton__action"}}),t.delegate("execute").to(this),t}_createArrowView(){const e=new Wh,t=e.bindTemplate;return e.icon=Gh,e.extendTemplate({attributes:{class:["ck-splitbutton__arrow"],"data-cke-tooltip-disabled":t.to("isOn"),"aria-haspopup":!0,"aria-expanded":t.to("isOn",e=>String(e))}}),e.bind("isEnabled").to(this),e.bind("label").to(this),e.bind("tooltip").to(this),e.delegate("execute").to(this,"open"),e}}var Fu=o(7475),zu={};zu.setAttributes=po(),zu.insert=fo().bind(null,"head"),zu.domAPI=ho(),zu.insertStyleElement=bo(),co()(Fu.A,zu),Fu.A&&Fu.A.locals&&Fu.A.locals;var $u=o(2454),Hu={};function ju(e,t=pu){const n="function"==typeof t?new t(e):t,i=new du(e),o=new gu(e,n,i);return n.bind("isEnabled").to(o),n instanceof Lu?n.arrowView.bind("isOn").to(o,"isOpen"):n.bind("isOn").to(o,"isOpen"),function(e){(function(e){e.on("render",()=>{th({emitter:e,activator:()=>e.isOpen,callback:()=>{e.isOpen=!1},contextElements:()=>[e.element,...e.focusTracker._elements]})})})(e),function(e){e.on("execute",t=>{t.source instanceof Kh||(e.isOpen=!1)})}(e),function(e){e.focusTracker.on("change:isFocused",(t,n,i)=>{e.isOpen&&!i&&(e.isOpen=!1)})}(e),function(e){e.keystrokes.set("arrowdown",(t,n)=>{e.isOpen&&(e.panelView.focus(),n())}),e.keystrokes.set("arrowup",(t,n)=>{e.isOpen&&(e.panelView.focusLast(),n())})}(e),function(e){e.on("change:isOpen",(t,n,i)=>{if(i)return;const o=e.panelView.element;o&&o.contains(Fn.document.activeElement)&&e.buttonView.focus()})}(e),function(e){e.on("change:isOpen",(t,n,i)=>{i&&e.panelView.focus()},{priority:"low"})}(e)}(o),o}function qu(e,t,n={}){e.extendTemplate({attributes:{class:["ck-toolbar-dropdown"]}}),e.isOpen?Wu(e,t,n):e.once("change:isOpen",()=>Wu(e,t,n),{priority:"highest"}),n.enableActiveItemFocusOnDropdownOpen&&Ku(e,()=>e.toolbarView.items.find(e=>e.isOn))}function Wu(e,t,n){const i=e.locale,o=i.t,r=e.toolbarView=new Eu(i),s="function"==typeof t?t():t;r.ariaLabel=n.ariaLabel||o("Dropdown toolbar"),n.maxWidth&&(r.maxWidth=n.maxWidth),n.class&&(r.class=n.class),n.isCompact&&(r.isCompact=n.isCompact),n.isVertical&&(r.isVertical=!0),s instanceof nh?r.items.bindTo(s).using(e=>e):r.items.addMany(s),e.panelView.children.add(r),r.items.delegate("execute").to(e)}function Uu(e,t,n={}){e.isOpen?Zu(e,t,n):e.once("change:isOpen",()=>Zu(e,t,n),{priority:"highest"}),Ku(e,()=>e.listView.items.find(e=>e instanceof Ru&&e.children.first.isOn))}function Zu(e,t,n){const i=e.locale,o=e.listView=new Nu(i),r="function"==typeof t?t():t;o.ariaLabel=n.ariaLabel,o.role=n.role,Gu(e,o.items,r,i),e.panelView.children.add(o),o.items.delegate("execute").to(e)}function Ku(e,t){e.on("change:isOpen",()=>{if(!e.isOpen)return;const n=t();n&&("function"==typeof n.focus?n.focus():m("ui-dropdown-focus-child-on-open-child-missing-focus",{view:n}))},{priority:f.low-10})}function Gu(e,t,n,i){t.bindTo(n).using(t=>{if("separator"===t.type)return new Iu(i);if("group"===t.type){const n=new Ou(i);return n.set({label:t.label}),Gu(e,n.items,t.items,i),n.items.delegate("execute").to(e),n}if("button"===t.type||"switchbutton"===t.type){const e=new Ru(i);let n;return"button"===t.type?(n=new Wh(i),n.extendTemplate({attributes:{"aria-checked":n.bindTemplate.to("isOn")}})):n=new Kh(i),n.bind(...Object.keys(t.model)).to(t.model),n.delegate("execute").to(e),e.children.add(n),e}return null})}Hu.setAttributes=po(),Hu.insert=fo().bind(null,"head"),Hu.domAPI=ho(),Hu.insertStyleElement=bo(),co()($u.A,Hu),$u.A&&$u.A.locals&&$u.A.locals;const Ju=(e,t,n)=>{const i=new au(e.locale);return i.set({id:t,ariaDescribedById:n}),i.bind("isReadOnly").to(e,"isEnabled",e=>!e),i.bind("hasError").to(e,"errorText",e=>!!e),i.on("input",()=>{e.errorText=null}),e.bind("isEmpty","isFocused","placeholder").to(i),i};Math.PI;Symbol("same"),Symbol("color"),Symbol("hsva"),Symbol("update"),Symbol("parts"),Symbol("css"),Symbol("sliders");HTMLElement;var Qu=o(3086),Yu={};Yu.setAttributes=po(),Yu.insert=fo().bind(null,"head"),Yu.domAPI=ho(),Yu.insertStyleElement=bo(),co()(Qu.A,Yu),Qu.A&&Qu.A.locals&&Qu.A.locals,F(qi);const{eraser:Xu,colorPalette:ef}=_d;var tf=o(2922),nf={};nf.setAttributes=po(),nf.insert=fo().bind(null,"head"),nf.domAPI=ho(),nf.insertStyleElement=bo(),co()(tf.A,nf),tf.A&&tf.A.locals&&tf.A.locals;class of{constructor(e){this._components=new Map,this.editor=e}*names(){for(const e of this._components.values())yield e.originalName}add(e,t){this._components.set(rf(e),{callback:t,originalName:e})}create(e){if(!this.has(e))throw new p("componentfactory-item-missing",this,{name:e});return this._components.get(rf(e)).callback(this.editor.locale)}has(e){return this._components.has(rf(e))}}function rf(e){return String(e).toLowerCase()}var sf=o(4866),af={};af.setAttributes=po(),af.insert=fo().bind(null,"head"),af.domAPI=ho(),af.insertStyleElement=bo(),co()(sf.A,af),sf.A&&sf.A.locals&&sf.A.locals;class cf extends Th{constructor(e,t={}){super(e);const n=this.bindTemplate;this.set("label",t.label||""),this.set("class",t.class||null),this.children=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-form__header",n.to("class")]},children:this.children}),t.icon&&(this.iconView=new $h,this.iconView.content=t.icon,this.children.add(this.iconView));const i=new Th(e);i.setTemplate({tag:"h2",attributes:{class:["ck","ck-form__header__label"],role:"presentation"},children:[{text:n.to("label")}]}),this.children.add(i)}}var lf=o(8091),df={};df.setAttributes=po(),df.insert=fo().bind(null,"head"),df.domAPI=ho(),df.insertStyleElement=bo(),co()(lf.A,df),lf.A&&lf.A.locals&&lf.A.locals;class hf extends Th{constructor(e){super(e),this.children=this.createCollection(),this.keystrokes=new Zi,this._focusTracker=new Ui,this._focusables=new nh,this.focusCycler=new mu({focusables:this._focusables,focusTracker:this._focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}}),this.setTemplate({tag:"div",attributes:{class:["ck","ck-dialog__actions"]},children:this.children})}render(){super.render(),this.keystrokes.listenTo(this.element)}setButtons(e){for(const t of e){const e=new Wh(this.locale);let n;for(n in e.on("execute",()=>t.onExecute()),t.onCreate&&t.onCreate(e),t)"onExecute"!=n&&"onCreate"!=n&&e.set(n,t[n]);this.children.add(e)}this._updateFocusCyclableItems()}focus(e){-1===e?this.focusCycler.focusLast():this.focusCycler.focusFirst()}_updateFocusCyclableItems(){Array.from(this.children).forEach(e=>{this._focusables.add(e),this._focusTracker.add(e.element)})}}class uf extends Th{constructor(e){super(e),this.children=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-dialog__content"]},children:this.children})}reset(){for(;this.children.length;)this.children.remove(0)}}var ff=o(880),gf={};gf.setAttributes=po(),gf.insert=fo().bind(null,"head"),gf.domAPI=ho(),gf.insertStyleElement=bo(),co()(ff.A,gf),ff.A&&ff.A.locals&&ff.A.locals;const pf="screen-center",mf="editor-center",bf=ei("px");class kf extends(function(e){return class extends e{constructor(...e){super(...e),this._onDragBound=this._onDrag.bind(this),this._onDragEndBound=this._onDragEnd.bind(this),this._lastDraggingCoordinates={x:0,y:0},this.on("render",()=>{this._attachListeners()}),this.set("isDragging",!1)}_attachListeners(){this.listenTo(this.element,"mousedown",this._onDragStart.bind(this)),this.listenTo(this.element,"touchstart",this._onDragStart.bind(this))}_attachDragListeners(){this.listenTo(Fn.document,"mouseup",this._onDragEndBound),this.listenTo(Fn.document,"touchend",this._onDragEndBound),this.listenTo(Fn.document,"mousemove",this._onDragBound),this.listenTo(Fn.document,"touchmove",this._onDragBound)}_detachDragListeners(){this.stopListening(Fn.document,"mouseup",this._onDragEndBound),this.stopListening(Fn.document,"touchend",this._onDragEndBound),this.stopListening(Fn.document,"mousemove",this._onDragBound),this.stopListening(Fn.document,"touchmove",this._onDragBound)}_onDragStart(e,t){if(!this._isHandleElementPressed(t))return;this._attachDragListeners();let n=0,i=0;t instanceof MouseEvent?(n=t.clientX,i=t.clientY):(n=t.touches[0].clientX,i=t.touches[0].clientY),this._lastDraggingCoordinates={x:n,y:i},this.isDragging=!0}_onDrag(e,t){if(!this.isDragging)return void this._detachDragListeners();let n=0,i=0;t instanceof MouseEvent?(n=t.clientX,i=t.clientY):(n=t.touches[0].clientX,i=t.touches[0].clientY),t.preventDefault(),this.fire("drag",{deltaX:Math.round(n-this._lastDraggingCoordinates.x),deltaY:Math.round(i-this._lastDraggingCoordinates.y)}),this._lastDraggingCoordinates={x:n,y:i}}_onDragEnd(){this._detachDragListeners(),this.isDragging=!1}_isHandleElementPressed(e){return!!this.dragHandleElement&&(this.dragHandleElement===e.target||e.target instanceof HTMLElement&&this.dragHandleElement.contains(e.target))}}}(Th)){constructor(e,{getCurrentDomRoot:t,getViewportOffset:n}){super(e),this.wasMoved=!1;const i=this.bindTemplate,o=e.t;this.set("className",""),this.set("ariaLabel",o("Editor dialog")),this.set("isModal",!1),this.set("position",pf),this.set("_isVisible",!1),this.set("_isTransparent",!1),this.set("_top",0),this.set("_left",0),this._getCurrentDomRoot=t,this._getViewportOffset=n,this.decorate("moveTo"),this.parts=this.createCollection(),this.keystrokes=new Zi,this.focusTracker=new Ui,this._focusables=new nh,this._focusCycler=new mu({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}}),this.setTemplate({tag:"div",attributes:{class:["ck","ck-dialog-overlay",i.if("isModal","ck-dialog-overlay__transparent",e=>!e),i.if("_isVisible","ck-hidden",e=>!e)],tabindex:"-1"},children:[{tag:"div",attributes:{tabindex:"-1",class:["ck","ck-dialog",i.to("className")],role:"dialog","aria-label":i.to("ariaLabel"),style:{top:i.to("_top",e=>bf(e)),left:i.to("_left",e=>bf(e)),visibility:i.if("_isTransparent","hidden")}},children:this.parts}]})}render(){super.render(),this.keystrokes.set("Esc",(e,t)=>{this.fire("close",{source:"escKeyPress"}),t()}),this.on("drag",(e,{deltaX:t,deltaY:n})=>{this.wasMoved=!0,this.moveBy(t,n)}),this.listenTo(Fn.window,"resize",()=>{this._isVisible&&!this.wasMoved&&this.updatePosition()}),this.listenTo(Fn.document,"scroll",()=>{this._isVisible&&!this.wasMoved&&this.updatePosition()}),this.on("change:_isVisible",(e,t,n)=>{n&&(this._isTransparent=!0,setTimeout(()=>{this.updatePosition(),this._isTransparent=!1,this.focus()},10))}),this.keystrokes.listenTo(this.element)}get dragHandleElement(){return this.headerView?this.headerView.element:null}setupParts({icon:e,title:t,hasCloseButton:n=!0,content:i,actionButtons:o}){t&&(this.headerView=new cf(this.locale,{icon:e}),n&&(this.closeButtonView=this._createCloseButton(),this.headerView.children.add(this.closeButtonView)),this.headerView.label=t,this.ariaLabel=t,this.parts.add(this.headerView,0)),i&&(i instanceof Th&&(i=[i]),this.contentView=new uf(this.locale),this.contentView.children.addMany(i),this.parts.add(this.contentView)),o&&(this.actionsView=new hf(this.locale),this.actionsView.setButtons(o),this.parts.add(this.actionsView)),this._updateFocusCyclableItems()}focus(){this._focusCycler.focusFirst()}moveTo(e,t){const n=this._getViewportRect(),i=this._getDialogRect();e+i.width>n.right&&(e=n.right-i.width),e<n.left&&(e=n.left),t<n.top&&(t=n.top),this._moveTo(e,t)}_moveTo(e,t){this._left=e,this._top=t}moveBy(e,t){this.moveTo(this._left+e,this._top+t)}_moveOffScreen(){this._moveTo(-9999,-9999)}updatePosition(){if(!this.element||!this.element.parentNode)return;const e=this._getViewportRect();let t,n=this.position;this._getCurrentDomRoot()?t=this._getVisibleDomRootRect(e):n=pf;const i=kf.defaultOffset,o=this._getDialogRect();switch(n){case"editor-top-side":if(t){const e="ltr"===this.locale.contentLanguageDirection?t.right-o.width-i:t.left+i;this.moveTo(e,t.top+i)}else this._moveOffScreen();break;case mf:t?this.moveTo(Math.round(t.left+t.width/2-o.width/2),Math.round(t.top+t.height/2-o.height/2)):this._moveOffScreen();break;case pf:this.moveTo(Math.round((e.width-o.width)/2),Math.round((e.height-o.height)/2));break;case"editor-top-center":t?this.moveTo(Math.round(t.left+t.width/2-o.width/2),t.top+i):this._moveOffScreen();break;case"editor-bottom-center":t?this.moveTo(Math.round(t.left+t.width/2-o.width/2),t.bottom-o.height-i):this._moveOffScreen();break;case"editor-above-center":t?this.moveTo(Math.round(t.left+t.width/2-o.width/2),t.top-o.height-i):this._moveOffScreen();break;case"editor-below-center":t?this.moveTo(Math.round(t.left+t.width/2-o.width/2),t.bottom+i):this._moveOffScreen()}}_getVisibleDomRootRect(e){let t=new Wn(this._getCurrentDomRoot()).getVisible();return t?(t=e.getIntersection(t),t||null):null}_getDialogRect(){return new Wn(this.element.firstElementChild)}_getViewportRect(){return function(e){e=Object.assign({top:0,bottom:0,left:0,right:0},e);const t=new Wn(Fn.window);return t.top+=e.top,t.height-=e.top,t.bottom-=e.bottom,t.height-=e.bottom,t.left+=e.left,t.right-=e.right,t.width-=e.left+e.right,t}(this._getViewportOffset())}_updateFocusCyclableItems(){const e=[];if(this.contentView)for(const t of this.contentView.children)ku(t)&&e.push(t);this.actionsView&&e.push(this.actionsView),this.closeButtonView&&e.push(this.closeButtonView),e.forEach(e=>{var t;this._focusables.add(e),this.focusTracker.add(e.element),ku(t=e)&&"focusCycler"in t&&t.focusCycler instanceof mu&&(this.listenTo(e.focusCycler,"forwardCycle",e=>{this._focusCycler.focusNext(),this._focusCycler.next!==this._focusCycler.focusables.get(this._focusCycler.current)&&e.stop()}),this.listenTo(e.focusCycler,"backwardCycle",e=>{this._focusCycler.focusPrevious(),this._focusCycler.previous!==this._focusCycler.focusables.get(this._focusCycler.current)&&e.stop()}))})}_createCloseButton(){const e=new Wh(this.locale),t=this.locale.t;return e.set({label:t("Close"),tooltip:!0,icon:_d.cancel}),e.on("execute",()=>this.fire("close",{source:"closeButton"})),e}}kf.defaultOffset=15;const wf=kf;class _f extends eo{static get pluginName(){return"Dialog"}constructor(e){super(e);const t=e.t;this._initShowHideListeners(),this._initFocusToggler(),this._initMultiRootIntegration(),this.set("id",null),e.accessibility.addKeystrokeInfos({categoryId:"navigation",keystrokes:[{label:t("Move focus in and out of an active dialog window"),keystroke:"Ctrl+F6",mayRequireFn:!0}]})}_initShowHideListeners(){this.on("show",(e,t)=>{this._show(t)}),this.on("show",(e,t)=>{t.onShow&&t.onShow(this)},{priority:"low"}),this.on("hide",()=>{_f._visibleDialogPlugin&&_f._visibleDialogPlugin._hide()}),this.on("hide",()=>{this._onHide&&(this._onHide(this),this._onHide=void 0)},{priority:"low"})}_initFocusToggler(){const e=this.editor;e.keystrokes.set("Ctrl+F6",(t,n)=>{this.isOpen&&!this.view.isModal&&(this.view.focusTracker.isFocused?e.editing.view.focus():this.view.focus(),n())})}_initMultiRootIntegration(){const e=this.editor.model;e.document.on("change:data",()=>{if(!this.view)return;const t=e.document.differ.getChangedRoots();for(const e of t)e.state&&this.view.updatePosition()})}show(e){this.hide(),this.fire(`show:${e.id}`,e)}_show({id:e,icon:t,title:n,hasCloseButton:i=!0,content:o,actionButtons:r,className:s,isModal:a,position:c,onHide:l}){const d=this.editor;this.view=new wf(d.locale,{getCurrentDomRoot:()=>d.editing.view.getDomRoot(d.model.document.selection.anchor.root.rootName),getViewportOffset:()=>d.ui.viewportOffset});const h=this.view;h.on("close",()=>{this.hide()}),d.ui.view.body.add(h),d.ui.focusTracker.add(h.element),d.keystrokes.listenTo(h.element),c||(c=a?pf:mf),h.set({position:c,_isVisible:!0,className:s,isModal:a}),h.setupParts({icon:t,title:n,hasCloseButton:i,content:o,actionButtons:r}),this.id=e,l&&(this._onHide=l),this.isOpen=!0,_f._visibleDialogPlugin=this}hide(){_f._visibleDialogPlugin&&_f._visibleDialogPlugin.fire(`hide:${_f._visibleDialogPlugin.id}`)}_hide(){if(!this.view)return;const e=this.editor,t=this.view;t.contentView&&t.contentView.reset(),e.ui.view.body.remove(t),e.ui.focusTracker.remove(t.element),e.keystrokes.stopListening(t.element),t.destroy(),e.editing.view.focus(),this.id=null,this.isOpen=!1,_f._visibleDialogPlugin=null}}var vf=o(5615),yf={};yf.setAttributes=po(),yf.insert=fo().bind(null,"head"),yf.domAPI=ho(),yf.insertStyleElement=bo(),co()(vf.A,yf),vf.A&&vf.A.locals&&vf.A.locals;const xf=ei("px"),Af=Fn.document.body,Cf={top:-99999,left:-99999,name:"arrowless",config:{withArrow:!1}};class Ef extends Th{constructor(e){super(e);const t=this.bindTemplate;this.set("top",0),this.set("left",0),this.set("position","arrow_nw"),this.set("isVisible",!1),this.set("withArrow",!0),this.set("class",void 0),this._pinWhenIsVisibleCallback=null,this.content=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-balloon-panel",t.to("position",e=>`ck-balloon-panel_${e}`),t.if("isVisible","ck-balloon-panel_visible"),t.if("withArrow","ck-balloon-panel_with-arrow"),t.to("class")],style:{top:t.to("top",xf),left:t.to("left",xf)}},children:this.content})}show(){this.isVisible=!0}hide(){this.isVisible=!1}attachTo(e){this.show();const t=Ef.defaultPositions,n=Object.assign({},{element:this.element,positions:[t.southArrowNorth,t.southArrowNorthMiddleWest,t.southArrowNorthMiddleEast,t.southArrowNorthWest,t.southArrowNorthEast,t.northArrowSouth,t.northArrowSouthMiddleWest,t.northArrowSouthMiddleEast,t.northArrowSouthWest,t.northArrowSouthEast,t.viewportStickyNorth],limiter:Af,fitInViewport:!0},e),i=Ef._getOptimalPosition(n)||Cf,o=parseInt(i.left),r=parseInt(i.top),s=i.name,a=i.config||{},{withArrow:c=!0}=a;this.top=r,this.left=o,this.position=s,this.withArrow=c}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=Pf(e.target),n=e.limiter?Pf(e.limiter):Af;this.listenTo(Fn.document,"scroll",(i,o)=>{const r=o.target,s=t&&r.contains(t),a=n&&r.contains(n);!s&&!a&&t&&n||this.attachTo(e)},{useCapture:!0}),this.listenTo(Fn.window,"resize",()=>{this.attachTo(e)})}_stopPinning(){this.stopListening(Fn.document,"scroll"),this.stopListening(Fn.window,"resize")}}Ef.arrowSideOffset=25,Ef.arrowHeightOffset=10,Ef.stickyVerticalOffset=20,Ef._getOptimalPosition=ri,Ef.defaultPositions=Sf();const Tf=Ef;function Pf(e){return Pn(e)?e:Hn(e)?e.commonAncestorContainer:"function"==typeof e?Pf(e()):null}function Sf(e={}){const{sideOffset:t=Ef.arrowSideOffset,heightOffset:n=Ef.arrowHeightOffset,stickyVerticalOffset:i=Ef.stickyVerticalOffset,config:o}=e;return{northWestArrowSouthWest:(e,n)=>({top:r(e,n),left:e.left-t,name:"arrow_sw",...o&&{config:o}}),northWestArrowSouthMiddleWest:(e,n)=>({top:r(e,n),left:e.left-.25*n.width-t,name:"arrow_smw",...o&&{config:o}}),northWestArrowSouth:(e,t)=>({top:r(e,t),left:e.left-t.width/2,name:"arrow_s",...o&&{config:o}}),northWestArrowSouthMiddleEast:(e,n)=>({top:r(e,n),left:e.left-.75*n.width+t,name:"arrow_sme",...o&&{config:o}}),northWestArrowSouthEast:(e,n)=>({top:r(e,n),left:e.left-n.width+t,name:"arrow_se",...o&&{config:o}}),northArrowSouthWest:(e,n)=>({top:r(e,n),left:e.left+e.width/2-t,name:"arrow_sw",...o&&{config:o}}),northArrowSouthMiddleWest:(e,n)=>({top:r(e,n),left:e.left+e.width/2-.25*n.width-t,name:"arrow_smw",...o&&{config:o}}),northArrowSouth:(e,t)=>({top:r(e,t),left:e.left+e.width/2-t.width/2,name:"arrow_s",...o&&{config:o}}),northArrowSouthMiddleEast:(e,n)=>({top:r(e,n),left:e.left+e.width/2-.75*n.width+t,name:"arrow_sme",...o&&{config:o}}),northArrowSouthEast:(e,n)=>({top:r(e,n),left:e.left+e.width/2-n.width+t,name:"arrow_se",...o&&{config:o}}),northEastArrowSouthWest:(e,n)=>({top:r(e,n),left:e.right-t,name:"arrow_sw",...o&&{config:o}}),northEastArrowSouthMiddleWest:(e,n)=>({top:r(e,n),left:e.right-.25*n.width-t,name:"arrow_smw",...o&&{config:o}}),northEastArrowSouth:(e,t)=>({top:r(e,t),left:e.right-t.width/2,name:"arrow_s",...o&&{config:o}}),northEastArrowSouthMiddleEast:(e,n)=>({top:r(e,n),left:e.right-.75*n.width+t,name:"arrow_sme",...o&&{config:o}}),northEastArrowSouthEast:(e,n)=>({top:r(e,n),left:e.right-n.width+t,name:"arrow_se",...o&&{config:o}}),southWestArrowNorthWest:e=>({top:s(e),left:e.left-t,name:"arrow_nw",...o&&{config:o}}),southWestArrowNorthMiddleWest:(e,n)=>({top:s(e),left:e.left-.25*n.width-t,name:"arrow_nmw",...o&&{config:o}}),southWestArrowNorth:(e,t)=>({top:s(e),left:e.left-t.width/2,name:"arrow_n",...o&&{config:o}}),southWestArrowNorthMiddleEast:(e,n)=>({top:s(e),left:e.left-.75*n.width+t,name:"arrow_nme",...o&&{config:o}}),southWestArrowNorthEast:(e,n)=>({top:s(e),left:e.left-n.width+t,name:"arrow_ne",...o&&{config:o}}),southArrowNorthWest:e=>({top:s(e),left:e.left+e.width/2-t,name:"arrow_nw",...o&&{config:o}}),southArrowNorthMiddleWest:(e,n)=>({top:s(e),left:e.left+e.width/2-.25*n.width-t,name:"arrow_nmw",...o&&{config:o}}),southArrowNorth:(e,t)=>({top:s(e),left:e.left+e.width/2-t.width/2,name:"arrow_n",...o&&{config:o}}),southArrowNorthMiddleEast:(e,n)=>({top:s(e),left:e.left+e.width/2-.75*n.width+t,name:"arrow_nme",...o&&{config:o}}),southArrowNorthEast:(e,n)=>({top:s(e),left:e.left+e.width/2-n.width+t,name:"arrow_ne",...o&&{config:o}}),southEastArrowNorthWest:e=>({top:s(e),left:e.right-t,name:"arrow_nw",...o&&{config:o}}),southEastArrowNorthMiddleWest:(e,n)=>({top:s(e),left:e.right-.25*n.width-t,name:"arrow_nmw",...o&&{config:o}}),southEastArrowNorth:(e,t)=>({top:s(e),left:e.right-t.width/2,name:"arrow_n",...o&&{config:o}}),southEastArrowNorthMiddleEast:(e,n)=>({top:s(e),left:e.right-.75*n.width+t,name:"arrow_nme",...o&&{config:o}}),southEastArrowNorthEast:(e,n)=>({top:s(e),left:e.right-n.width+t,name:"arrow_ne",...o&&{config:o}}),westArrowEast:(e,t)=>({top:e.top+e.height/2-t.height/2,left:e.left-t.width-n,name:"arrow_e",...o&&{config:o}}),eastArrowWest:(e,t)=>({top:e.top+e.height/2-t.height/2,left:e.right+n,name:"arrow_w",...o&&{config:o}}),viewportStickyNorth:(e,t,n,r)=>{const s=r||n;return e.getIntersection(s)?s.height-e.height>i?null:{top:s.top+i,left:e.left+e.width/2-t.width/2,name:"arrowless",config:{withArrow:!1,...o}}:null}};function r(e,t){return e.top-t.height-n}function s(e){return e.bottom+n}}var Rf=o(4650),If={};If.setAttributes=po(),If.insert=fo().bind(null,"head"),If.domAPI=ho(),If.insertStyleElement=bo(),co()(Rf.A,If),Rf.A&&Rf.A.locals&&Rf.A.locals;const Of="ck-tooltip";class Mf extends(Nn()){constructor(e){if(super(),this._currentElementWithTooltip=null,this._currentTooltipPosition=null,this._resizeObserver=null,this._mutationObserver=null,Mf._editors.add(e),Mf._instance)return Mf._instance;Mf._instance=this,this.tooltipTextView=new Th(e.locale),this.tooltipTextView.set("text",""),this.tooltipTextView.setTemplate({tag:"span",attributes:{class:["ck","ck-tooltip__text"]},children:[{text:this.tooltipTextView.bindTemplate.to("text")}]}),this.balloonPanelView=new Tf(e.locale),this.balloonPanelView.class=Of,this.balloonPanelView.content.add(this.tooltipTextView),this._mutationObserver=function(e){const t=new MutationObserver(()=>{e()});return{attach(e){t.observe(e,{attributes:!0,attributeFilter:["data-cke-tooltip-text","data-cke-tooltip-position"]})},detach(){t.disconnect()}}}(()=>{this._updateTooltipPosition()}),this._pinTooltipDebounced=Bs(this._pinTooltip,600),this.listenTo(Fn.document,"mouseenter",this._onEnterOrFocus.bind(this),{useCapture:!0}),this.listenTo(Fn.document,"mouseleave",this._onLeaveOrBlur.bind(this),{useCapture:!0}),this.listenTo(Fn.document,"focus",this._onEnterOrFocus.bind(this),{useCapture:!0}),this.listenTo(Fn.document,"blur",this._onLeaveOrBlur.bind(this),{useCapture:!0}),this.listenTo(Fn.document,"scroll",this._onScroll.bind(this),{useCapture:!0}),this._watchdogExcluded=!0}destroy(e){const t=e.ui.view&&e.ui.view.body;Mf._editors.delete(e),this.stopListening(e.ui),t&&t.has(this.balloonPanelView)&&t.remove(this.balloonPanelView),Mf._editors.size||(this._unpinTooltip(),this.balloonPanelView.destroy(),this.stopListening(),Mf._instance=null)}static getPositioningFunctions(e){const t=Mf.defaultBalloonPositions;return{s:[t.southArrowNorth,t.southArrowNorthEast,t.southArrowNorthWest],n:[t.northArrowSouth],e:[t.eastArrowWest],w:[t.westArrowEast],sw:[t.southArrowNorthEast],se:[t.southArrowNorthWest]}[e]}_onEnterOrFocus(e,{target:t}){const n=Nf(t);n&&n!==this._currentElementWithTooltip&&(this._unpinTooltip(),this._pinTooltipDebounced(n,Df(n)))}_onLeaveOrBlur(e,{target:t,relatedTarget:n}){if("mouseleave"===e.name){if(!Pn(t))return;if(this._currentElementWithTooltip&&t!==this._currentElementWithTooltip)return;const e=Nf(t),i=Nf(n);e&&e!==i&&this._unpinTooltip()}else{if(this._currentElementWithTooltip&&t!==this._currentElementWithTooltip)return;this._unpinTooltip()}}_onScroll(e,{target:t}){this._currentElementWithTooltip&&(t.contains(this.balloonPanelView.element)&&t.contains(this._currentElementWithTooltip)||this._unpinTooltip())}_pinTooltip(e,{text:t,position:n,cssClass:i}){const o=Wi(Mf._editors.values()).ui.view.body;o.has(this.balloonPanelView)||o.add(this.balloonPanelView),this.tooltipTextView.text=t,this.balloonPanelView.pin({target:e,positions:Mf.getPositioningFunctions(n)}),this._resizeObserver=new Yn(e,()=>{oi(e)||this._unpinTooltip()}),this._mutationObserver.attach(e),this.balloonPanelView.class=[Of,i].filter(e=>e).join(" ");for(const e of Mf._editors)this.listenTo(e.ui,"update",this._updateTooltipPosition.bind(this),{priority:"low"});this._currentElementWithTooltip=e,this._currentTooltipPosition=n}_unpinTooltip(){this._pinTooltipDebounced.cancel(),this.balloonPanelView.unpin();for(const e of Mf._editors)this.stopListening(e.ui,"update");this._currentElementWithTooltip=null,this._currentTooltipPosition=null,this._resizeObserver&&this._resizeObserver.destroy(),this._mutationObserver.detach()}_updateTooltipPosition(){const e=Df(this._currentElementWithTooltip);oi(this._currentElementWithTooltip)&&e.text?this.balloonPanelView.pin({target:this._currentElementWithTooltip,positions:Mf.getPositioningFunctions(e.position)}):this._unpinTooltip()}}Mf.defaultBalloonPositions=Sf({heightOffset:5,sideOffset:13}),Mf._editors=new Set,Mf._instance=null;const Vf=Mf;function Nf(e){return Pn(e)?e.closest("[data-cke-tooltip-text]:not([data-cke-tooltip-disabled])"):null}function Df(e){return{text:e.dataset.ckeTooltipText,position:e.dataset.ckeTooltipPosition||"s",cssClass:e.dataset.ckeTooltipClass||""}}const Bf=function(e,t,n){var i=!0,o=!0;if("function"!=typeof e)throw new TypeError("Expected a function");return O(n)&&(i="leading"in n?!!n.leading:i,o="trailing"in n?!!n.trailing:o),Bs(e,t,{leading:i,maxWait:t,trailing:o})};class Lf extends(Nn()){constructor(e){super(),this.editor=e,this._balloonView=null,this._lastFocusedEditableElement=null,this._showBalloonThrottled=Bf(this._showBalloon.bind(this),50,{leading:!0}),e.on("ready",this._handleEditorReady.bind(this))}destroy(){const e=this._balloonView;e&&(e.unpin(),this._balloonView=null),this._showBalloonThrottled.cancel(),this.stopListening()}_handleEditorReady(){const e=this.editor;(e.config.get("ui.poweredBy.forceVisible")||"VALID"!==function(e){function t(e){return e.length>=40&&e.length<=255?"VALID":"INVALID"}if(!e)return"INVALID";let n="";try{n=atob(e)}catch(e){return"INVALID"}const i=n.split("-"),o=i[0],r=i[1];if(!r)return t(e);try{atob(r)}catch(n){try{if(atob(o),!atob(o).length)return t(e)}catch(n){return t(e)}}if(o.length<40||o.length>255)return"INVALID";let s="";try{atob(o),s=atob(r)}catch(e){return"INVALID"}if(8!==s.length)return"INVALID";const a=Number(s.substring(0,4)),c=Number(s.substring(4,6))-1,l=Number(s.substring(6,8)),d=new Date(a,c,l);return d<k||isNaN(Number(d))?"INVALID":"VALID"}(e.config.get("licenseKey")))&&e.ui.view&&(e.ui.focusTracker.on("change:isFocused",(e,t,n)=>{this._updateLastFocusedEditableElement(),n?this._showBalloon():this._hideBalloon()}),e.ui.focusTracker.on("change:focusedElement",(e,t,n)=>{this._updateLastFocusedEditableElement(),n&&this._showBalloon()}),e.ui.on("update",()=>{this._showBalloonThrottled()}))}_createBalloonView(){const e=this.editor,t=this._balloonView=new Tf,n=$f(e),i=new Ff(e.locale,n.label);t.content.add(i),t.set({class:"ck-powered-by-balloon"}),e.ui.view.body.add(t),e.ui.focusTracker.add(t.element),this._balloonView=t}_showBalloon(){if(!this._lastFocusedEditableElement)return;const e=function(e,t){const n=$f(e),i="right"===n.side?function(e,t){return zf(e,t,(e,n)=>e.left+e.width-n.width-t.horizontalOffset)}(t,n):function(e,t){return zf(e,t,e=>e.left+t.horizontalOffset)}(t,n);return{target:t,positions:[i]}}(this.editor,this._lastFocusedEditableElement);e&&(this._balloonView||this._createBalloonView(),this._balloonView.pin(e))}_hideBalloon(){this._balloonView&&this._balloonView.unpin()}_updateLastFocusedEditableElement(){const e=this.editor,t=e.ui.focusTracker.isFocused,n=e.ui.focusTracker.focusedElement;if(!t||!n)return void(this._lastFocusedEditableElement=null);const i=Array.from(e.ui.getEditableElementsNames()).map(t=>e.ui.getEditableElement(t));i.includes(n)?this._lastFocusedEditableElement=n:this._lastFocusedEditableElement=i[0]}}class Ff extends 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a=n(r,o),c=i.clone().moveTo(a,s).getIntersection(o.clone().moveTo(a,s)).getVisible();return!c||c.getArea()<o.getArea()?null:{top:s,left:a,name:`position_${t.position}-side_${t.side}`,config:{withArrow:!1}}}}function $f(e){const t=e.config.get("ui.poweredBy"),n=t&&t.position||"border";return{position:n,label:"Powered by",verticalOffset:"inside"===n?5:0,horizontalOffset:5,side:"ltr"===e.locale.contentLanguageDirection?"right":"left",...t}}var Hf=o(1710),jf={};jf.setAttributes=po(),jf.insert=fo().bind(null,"head"),jf.domAPI=ho(),jf.insertStyleElement=bo(),co()(Hf.A,jf),Hf.A&&Hf.A.locals&&Hf.A.locals;const qf="polite";class Wf{constructor(e){this.editor=e}announce(e,t,n=qf){const i=this.editor;this.view||(this.view=new Uf(i.locale),i.ui.view.body.add(this.view));let o=this.view.regionViews.find(t=>t.regionName===e);o||(o=new Zf(this.view.locale),this.view.regionViews.add(o)),o.set({regionName:e,text:t,politeness:n})}}class Uf extends Th{constructor(e){super(e),this.regionViews=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-aria-live-announcer"]},children:this.regionViews})}}class Zf extends Th{constructor(e){super(e);const t=this.bindTemplate;this.set("regionName",""),this.set("text",""),this.set("politeness",qf),this.setTemplate({tag:"div",attributes:{role:"region","data-region":t.to("regionName"),"aria-live":t.to("politeness")},children:[{text:t.to("text")}]})}}class Kf extends(F()){constructor(e){super(),this.isReady=!1,this._editableElementsMap=new Map,this._focusableToolbarDefinitions=[];const t=e.editing.view;this.editor=e,this.componentFactory=new of(e),this.focusTracker=new Ui,this.tooltipManager=new Vf(e),this.poweredBy=new Lf(e),this.ariaLiveAnnouncer=new Wf(e),this.set("viewportOffset",this._readViewportOffsetFromConfig()),this.once("ready",()=>{this.isReady=!0}),this.listenTo(t.document,"layoutChanged",this.update.bind(this)),this.listenTo(t,"scrollToTheSelection",this._handleScrollToTheSelection.bind(this)),this._initFocusTracking()}get element(){return null}update(){this.fire("update")}destroy(){this.stopListening(),this.focusTracker.destroy(),this.tooltipManager.destroy(this.editor),this.poweredBy.destroy();for(const e of this._editableElementsMap.values())e.ckeditorInstance=null,this.editor.keystrokes.stopListening(e);this._editableElementsMap=new Map,this._focusableToolbarDefinitions=[]}setEditableElement(e,t){this._editableElementsMap.set(e,t),t.ckeditorInstance||(t.ckeditorInstance=this.editor),this.focusTracker.add(t);const n=()=>{this.editor.editing.view.getDomRoot(e)||this.editor.keystrokes.listenTo(t)};this.isReady?n():this.once("ready",n)}removeEditableElement(e){const t=this._editableElementsMap.get(e);t&&(this._editableElementsMap.delete(e),this.editor.keystrokes.stopListening(t),this.focusTracker.remove(t),t.ckeditorInstance=null)}getEditableElement(e="main"){return this._editableElementsMap.get(e)}getEditableElementsNames(){return this._editableElementsMap.keys()}addToolbar(e,t={}){e.isRendered?(this.focusTracker.add(e.element),this.editor.keystrokes.listenTo(e.element)):e.once("render",()=>{this.focusTracker.add(e.element),this.editor.keystrokes.listenTo(e.element)}),this._focusableToolbarDefinitions.push({toolbarView:e,options:t})}get _editableElements(){return console.warn("editor-ui-deprecated-editable-elements: The EditorUI#_editableElements property has been deprecated and will be removed in the near future.",{editorUI:this}),this._editableElementsMap}_readViewportOffsetFromConfig(){const e=this.editor,t=e.config.get("ui.viewportOffset");if(t)return t;const n=e.config.get("toolbar.viewportTopOffset");return n?(console.warn("editor-ui-deprecated-viewport-offset-config: The `toolbar.vieportTopOffset` configuration option is deprecated. It will be removed from future CKEditor versions. 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e.sort((e,t)=>Gf(e)-Gf(t)),e}_getCurrentFocusedToolbarDefinition(){for(const e of this._focusableToolbarDefinitions)if(e.toolbarView.element&&e.toolbarView.element.contains(this.focusTracker.focusedElement))return e;return null}_focusFocusableCandidateToolbar(e){const{toolbarView:t,options:{beforeFocus:n}}=e;return n&&n(),!!oi(t.element)&&(t.focus(),!0)}_handleScrollToTheSelection(e,t){const n={top:0,bottom:0,left:0,right:0,...this.viewportOffset};t.viewportOffset.top+=n.top,t.viewportOffset.bottom+=n.bottom,t.viewportOffset.left+=n.left,t.viewportOffset.right+=n.right}}function Gf(e){const{toolbarView:t,options:n}=e;let i=10;return oi(t.element)&&i--,n.isContextual&&i--,i}var Jf=o(178),Qf={};Qf.setAttributes=po(),Qf.insert=fo().bind(null,"head"),Qf.domAPI=ho(),Qf.insertStyleElement=bo(),co()(Jf.A,Qf),Jf.A&&Jf.A.locals&&Jf.A.locals;class Yf extends Th{constructor(e){super(e),this.body=new Bh(e)}render(){super.render(),this.body.attachToDom()}destroy(){return this.body.detachFromDom(),super.destroy()}}class Xf extends Yf{constructor(e){super(e),this.top=this.createCollection(),this.main=this.createCollection(),this._voiceLabelView=this._createVoiceLabel(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-reset","ck-editor","ck-rounded-corners"],role:"application",dir:e.uiLanguageDirection,lang:e.uiLanguage,"aria-labelledby":this._voiceLabelView.id},children:[this._voiceLabelView,{tag:"div",attributes:{class:["ck","ck-editor__top","ck-reset_all"],role:"presentation"},children:this.top},{tag:"div",attributes:{class:["ck","ck-editor__main"],role:"presentation"},children:this.main}]})}_createVoiceLabel(){const e=this.t,t=new Rh;return t.text=e("Rich Text Editor"),t.extendTemplate({attributes:{class:"ck-voice-label"}}),t}}class eg extends Th{constructor(e,t,n){super(e),this.name=null,this.setTemplate({tag:"div",attributes:{class:["ck","ck-content","ck-editor__editable","ck-rounded-corners"],lang:e.contentLanguage,dir:e.contentLanguageDirection}}),this.set("isFocused",!1),this._editableElement=n,this._hasExternalElement=!!this._editableElement,this._editingView=t}render(){super.render(),this._hasExternalElement?this.template.apply(this.element=this._editableElement):this._editableElement=this.element,this.on("change:isFocused",()=>this._updateIsFocusedClasses()),this._updateIsFocusedClasses()}destroy(){this._hasExternalElement&&this.template.revert(this._editableElement),super.destroy()}get hasExternalElement(){return this._hasExternalElement}_updateIsFocusedClasses(){const e=this._editingView;function t(t){e.change(n=>{const i=e.document.getRoot(t.name);n.addClass(t.isFocused?"ck-focused":"ck-blurred",i),n.removeClass(t.isFocused?"ck-blurred":"ck-focused",i)})}e.isRenderingInProgress?function n(i){e.once("change:isRenderingInProgress",(e,o,r)=>{r?n(i):t(i)})}(this):t(this)}}class tg extends eg{constructor(e,t,n,i={}){super(e,t,n);const o=e.t;this.extendTemplate({attributes:{role:"textbox",class:"ck-editor__editable_inline"}}),this._generateLabel=i.label||(()=>o("Editor editing area: %0",this.name))}render(){super.render();const e=this._editingView;e.change(t=>{const n=e.document.getRoot(this.name);t.setAttribute("aria-label",this._generateLabel(this),n)})}}class ng extends(F()){constructor(e,t){super(),t&&ys(this,t),e&&this.set(e)}}var ig=o(9938),og={};og.setAttributes=po(),og.insert=fo().bind(null,"head"),og.domAPI=ho(),og.insertStyleElement=bo(),co()(ig.A,og),ig.A&&ig.A.locals&&ig.A.locals;var rg=o(3579),sg={};sg.setAttributes=po(),sg.insert=fo().bind(null,"head"),sg.domAPI=ho(),sg.insertStyleElement=bo(),co()(rg.A,sg),rg.A&&rg.A.locals&&rg.A.locals;const ag=ei("px");class cg extends eo{static get pluginName(){return"ContextualBalloon"}constructor(e){super(e),this._viewToStack=new Map,this._idToStack=new Map,this._view=null,this._rotatorView=null,this._fakePanelsView=null,this.positionLimiter=()=>{const e=this.editor.editing.view,t=e.document.selection.editableElement;return t?e.domConverter.mapViewToDom(t.root):null},this.set("visibleView",null),this.set("_numberOfStacks",0),this.set("_singleViewMode",!1)}destroy(){super.destroy(),this._view&&this._view.destroy(),this._rotatorView&&this._rotatorView.destroy(),this._fakePanelsView&&this._fakePanelsView.destroy()}get view(){return this._view||this._createPanelView(),this._view}hasView(e){return Array.from(this._viewToStack.keys()).includes(e)}add(e){if(this._view||this._createPanelView(),this.hasView(e.view))throw new p("contextualballoon-add-view-exist",[this,e]);const t=e.stackId||"main";if(!this._idToStack.has(t))return this._idToStack.set(t,new Map([[e.view,e]])),this._viewToStack.set(e.view,this._idToStack.get(t)),this._numberOfStacks=this._idToStack.size,void(this._visibleStack&&!e.singleViewMode||this.showStack(t));const n=this._idToStack.get(t);e.singleViewMode&&this.showStack(t),n.set(e.view,e),this._viewToStack.set(e.view,n),n===this._visibleStack&&this._showView(e)}remove(e){if(!this.hasView(e))throw new p("contextualballoon-remove-view-not-exist",[this,e]);const t=this._viewToStack.get(e);this._singleViewMode&&this.visibleView===e&&(this._singleViewMode=!1),this.visibleView===e&&(1===t.size?this._idToStack.size>1?this._showNextStack():(this.view.hide(),this.visibleView=null,this._rotatorView.hideView()):this._showView(Array.from(t.values())[t.size-2])),1===t.size?(this._idToStack.delete(this._getStackId(t)),this._numberOfStacks=this._idToStack.size):t.delete(e),this._viewToStack.delete(e)}updatePosition(e){e&&(this._visibleStack.get(this.visibleView).position=e),this.view.pin(this._getBalloonPosition()),this._fakePanelsView.updatePosition()}showStack(e){this.visibleStack=e;const t=this._idToStack.get(e);if(!t)throw new p("contextualballoon-showstack-stack-not-exist",this);this._visibleStack!==t&&this._showView(Array.from(t.values()).pop())}_createPanelView(){this._view=new Tf(this.editor.locale),this.editor.ui.view.body.add(this._view),this.editor.ui.focusTracker.add(this._view.element),this._rotatorView=this._createRotatorView(),this._fakePanelsView=this._createFakePanelsView()}get _visibleStack(){return this._viewToStack.get(this.visibleView)}_getStackId(e){return Array.from(this._idToStack.entries()).find(t=>t[1]===e)[0]}_showNextStack(){const e=Array.from(this._idToStack.values());let t=e.indexOf(this._visibleStack)+1;e[t]||(t=0),this.showStack(this._getStackId(e[t]))}_showPrevStack(){const e=Array.from(this._idToStack.values());let t=e.indexOf(this._visibleStack)-1;e[t]||(t=e.length-1),this.showStack(this._getStackId(e[t]))}_createRotatorView(){const e=new lg(this.editor.locale),t=this.editor.locale.t;return this.view.content.add(e),e.bind("isNavigationVisible").to(this,"_numberOfStacks",this,"_singleViewMode",(e,t)=>!t&&e>1),e.on("change:isNavigationVisible",()=>this.updatePosition(),{priority:"low"}),e.bind("counter").to(this,"visibleView",this,"_numberOfStacks",(e,n)=>{if(n<2)return"";const i=Array.from(this._idToStack.values()).indexOf(this._visibleStack)+1;return t("%0 of %1",[i,n])}),e.buttonNextView.on("execute",()=>{e.focusTracker.isFocused&&this.editor.editing.view.focus(),this._showNextStack()}),e.buttonPrevView.on("execute",()=>{e.focusTracker.isFocused&&this.editor.editing.view.focus(),this._showPrevStack()}),e}_createFakePanelsView(){const e=new dg(this.editor.locale,this.view);return e.bind("numberOfPanels").to(this,"_numberOfStacks",this,"_singleViewMode",(e,t)=>!t&&e>=2?Math.min(e-1,2):0),e.listenTo(this.view,"change:top",()=>e.updatePosition()),e.listenTo(this.view,"change:left",()=>e.updatePosition()),this.editor.ui.view.body.add(e),e}_showView({view:e,balloonClassName:t="",withArrow:n=!0,singleViewMode:i=!1}){this.view.class=t,this.view.withArrow=n,this._rotatorView.showView(e),this.visibleView=e,this.view.pin(this._getBalloonPosition()),this._fakePanelsView.updatePosition(),i&&(this._singleViewMode=!0)}_getBalloonPosition(){let e=Array.from(this._visibleStack.values()).pop().position;return e&&(e.limiter||(e=Object.assign({},e,{limiter:this.positionLimiter})),e=Object.assign({},e,{viewportOffsetConfig:this.editor.ui.viewportOffset})),e}}class lg extends Th{constructor(e){super(e);const t=e.t,n=this.bindTemplate;this.set("isNavigationVisible",!0),this.focusTracker=new Ui,this.buttonPrevView=this._createButtonView(t("Previous"),_d.previousArrow),this.buttonNextView=this._createButtonView(t("Next"),_d.nextArrow),this.content=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-balloon-rotator"],"z-index":"-1"},children:[{tag:"div",attributes:{class:["ck-balloon-rotator__navigation",n.to("isNavigationVisible",e=>e?"":"ck-hidden")]},children:[this.buttonPrevView,{tag:"span",attributes:{class:["ck-balloon-rotator__counter"]},children:[{text:n.to("counter")}]},this.buttonNextView]},{tag:"div",attributes:{class:"ck-balloon-rotator__content"},children:this.content}]})}render(){super.render(),this.focusTracker.add(this.element)}destroy(){super.destroy(),this.focusTracker.destroy()}showView(e){this.hideView(),this.content.add(e)}hideView(){this.content.clear()}_createButtonView(e,t){const n=new Wh(this.locale);return n.set({label:e,icon:t,tooltip:!0}),n}}class dg extends Th{constructor(e,t){super(e);const n=this.bindTemplate;this.set("top",0),this.set("left",0),this.set("height",0),this.set("width",0),this.set("numberOfPanels",0),this.content=this.createCollection(),this._balloonPanelView=t,this.setTemplate({tag:"div",attributes:{class:["ck-fake-panel",n.to("numberOfPanels",e=>e?"":"ck-hidden")],style:{top:n.to("top",ag),left:n.to("left",ag),width:n.to("width",ag),height:n.to("height",ag)}},children:this.content}),this.on("change:numberOfPanels",(e,t,n,i)=>{n>i?this._addPanels(n-i):this._removePanels(i-n),this.updatePosition()})}_addPanels(e){for(;e--;){const e=new Th;e.setTemplate({tag:"div"}),this.content.add(e),this.registerChild(e)}}_removePanels(e){for(;e--;){const e=this.content.last;this.content.remove(e),this.deregisterChild(e),e.destroy()}}updatePosition(){if(this.numberOfPanels){const{top:e,left:t}=this._balloonPanelView,{width:n,height:i}=new Wn(this._balloonPanelView.element);Object.assign(this,{top:e,left:t,width:n,height:i})}}}var hg=o(7289),ug={};ug.setAttributes=po(),ug.insert=fo().bind(null,"head"),ug.domAPI=ho(),ug.insertStyleElement=bo(),co()(hg.A,ug),hg.A&&hg.A.locals&&hg.A.locals;const fg=ei("px");class gg extends Th{constructor(e){super(e);const t=this.bindTemplate;this.set("isActive",!1),this.set("isSticky",!1),this.set("limiterElement",null),this.set("limiterBottomOffset",50),this.set("viewportTopOffset",0),this.set("_marginLeft",null),this.set("_isStickyToTheBottomOfLimiter",!1),this.set("_stickyTopOffset",null),this.set("_stickyBottomOffset",null),this.content=this.createCollection(),this._contentPanelPlaceholder=new ih({tag:"div",attributes:{class:["ck","ck-sticky-panel__placeholder"],style:{display:t.to("isSticky",e=>e?"block":"none"),height:t.to("isSticky",e=>e?fg(this._contentPanelRect.height):null)}}}).render(),this.contentPanelElement=new ih({tag:"div",attributes:{class:["ck","ck-sticky-panel__content",t.if("isSticky","ck-sticky-panel__content_sticky"),t.if("_isStickyToTheBottomOfLimiter","ck-sticky-panel__content_sticky_bottom-limit")],style:{width:t.to("isSticky",e=>e?fg(this._contentPanelPlaceholder.getBoundingClientRect().width):null),top:t.to("_stickyTopOffset",e=>e?fg(e):e),bottom:t.to("_stickyBottomOffset",e=>e?fg(e):e),marginLeft:t.to("_marginLeft")}},children:this.content}).render(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-sticky-panel"]},children:[this._contentPanelPlaceholder,this.contentPanelElement]})}render(){super.render(),this.checkIfShouldBeSticky(),this.listenTo(Fn.document,"scroll",()=>{this.checkIfShouldBeSticky()},{useCapture:!0}),this.listenTo(this,"change:isActive",()=>{this.checkIfShouldBeSticky()})}checkIfShouldBeSticky(){if(!this.limiterElement||!this.isActive)return void this._unstick();const e=new Wn(this.limiterElement);let t=e.getVisible();if(t){const e=new Wn(Fn.window);e.top+=this.viewportTopOffset,e.height-=this.viewportTopOffset,t=t.getIntersection(e)}if(t&&e.top<t.top){const n=t.top;if(n+this._contentPanelRect.height+this.limiterBottomOffset>t.bottom){const n=Math.max(e.bottom-t.bottom,0)+this.limiterBottomOffset;e.bottom-n>e.top+this._contentPanelRect.height?this._stickToBottomOfLimiter(n):this._unstick()}else this._contentPanelRect.height+this.limiterBottomOffset<e.height?this._stickToTopOfAncestors(n):this._unstick()}else this._unstick()}_stickToTopOfAncestors(e){this.isSticky=!0,this._isStickyToTheBottomOfLimiter=!1,this._stickyTopOffset=e,this._stickyBottomOffset=null,this._marginLeft=fg(-Fn.window.scrollX)}_stickToBottomOfLimiter(e){this.isSticky=!0,this._isStickyToTheBottomOfLimiter=!0,this._stickyTopOffset=null,this._stickyBottomOffset=e,this._marginLeft=fg(-Fn.window.scrollX)}_unstick(){this.isSticky=!1,this._isStickyToTheBottomOfLimiter=!1,this._stickyTopOffset=null,this._stickyBottomOffset=null,this._marginLeft=null}get _contentPanelRect(){return new Wn(this.contentPanelElement)}}class pg extends nu{constructor(e,t){const n=e.t,i=Object.assign({},{showResetButton:!0,showIcon:!0,creator:Ju},t);super(e,i.creator),this.label=t.label,this._viewConfig=i,this._viewConfig.showIcon&&(this.iconView=new $h,this.iconView.content=_d.loupe,this.fieldWrapperChildren.add(this.iconView,0),this.extendTemplate({attributes:{class:"ck-search__query_with-icon"}})),this._viewConfig.showResetButton&&(this.resetButtonView=new Wh(e),this.resetButtonView.set({label:n("Clear"),icon:_d.cancel,class:"ck-search__reset",isVisible:!1,tooltip:!0}),this.resetButtonView.on("execute",()=>{this.reset(),this.focus(),this.fire("reset")}),this.resetButtonView.bind("isVisible").to(this.fieldView,"isEmpty",e=>!e),this.fieldWrapperChildren.add(this.resetButtonView),this.extendTemplate({attributes:{class:"ck-search__query_with-reset"}}))}reset(){this.fieldView.reset(),this._viewConfig.showResetButton&&(this.resetButtonView.isVisible=!1)}}class mg extends Th{constructor(){super();const e=this.bindTemplate;this.set({isVisible:!1,primaryText:"",secondaryText:""}),this.setTemplate({tag:"div",attributes:{class:["ck","ck-search__info",e.if("isVisible","ck-hidden",e=>!e)],tabindex:-1},children:[{tag:"span",children:[{text:[e.to("primaryText")]}]},{tag:"span",children:[{text:[e.to("secondaryText")]}]}]})}focus(){this.element.focus()}}class bg extends Th{constructor(e){super(e),this.children=this.createCollection(),this.focusTracker=new Ui,this.setTemplate({tag:"div",attributes:{class:["ck","ck-search__results"],tabindex:-1},children:this.children}),this._focusCycler=new mu({focusables:this.children,focusTracker:this.focusTracker})}render(){super.render();for(const e of this.children)this.focusTracker.add(e.element)}focus(){this._focusCycler.focusFirst()}focusFirst(){this._focusCycler.focusFirst()}focusLast(){this._focusCycler.focusLast()}}var kg=o(5540),wg={};wg.setAttributes=po(),wg.insert=fo().bind(null,"head"),wg.domAPI=ho(),wg.insertStyleElement=bo(),co()(kg.A,wg),kg.A&&kg.A.locals&&kg.A.locals;class _g extends Th{constructor(e,t){super(e),this._config=t,this.filteredView=t.filteredView,this.queryView=this._createSearchTextQueryView(),this.focusTracker=new Ui,this.keystrokes=new Zi,this.resultsView=new bg(e),this.children=this.createCollection(),this.focusableChildren=this.createCollection([this.queryView,this.resultsView]),this.set("isEnabled",!0),this.set("resultsCount",0),this.set("totalItemsCount",0),t.infoView&&t.infoView.instance?this.infoView=t.infoView.instance:(this.infoView=new mg,this._enableDefaultInfoViewBehavior(),this.on("render",()=>{this.search("")})),this.resultsView.children.addMany([this.infoView,this.filteredView]),this.focusCycler=new mu({focusables:this.focusableChildren,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}}),this.on("search",(e,{resultsCount:t,totalItemsCount:n})=>{this.resultsCount=t,this.totalItemsCount=n}),this.setTemplate({tag:"div",attributes:{class:["ck","ck-search",t.class||null],tabindex:"-1"},children:this.children})}render(){super.render(),this.children.addMany([this.queryView,this.resultsView]);const e=e=>e.stopPropagation();for(const e of this.focusableChildren)this.focusTracker.add(e.element);this.keystrokes.listenTo(this.element),this.keystrokes.set("arrowright",e),this.keystrokes.set("arrowleft",e),this.keystrokes.set("arrowup",e),this.keystrokes.set("arrowdown",e)}focus(){this.queryView.focus()}reset(){this.queryView.reset(),this.search("")}search(e){const t=e?new RegExp((i=Ko(i=e))&&Ud.test(i)?i.replace(Wd,"\\$&"):i,"ig"):null,n=this.filteredView.filter(t);var i;this.fire("search",{query:e,...n})}_createSearchTextQueryView(){const e=new pg(this.locale,this._config.queryView);return this.listenTo(e.fieldView,"input",()=>{this.search(e.fieldView.element.value)}),e.on("reset",()=>this.reset()),e.bind("isEnabled").to(this),e}_enableDefaultInfoViewBehavior(){const e=this.locale.t,t=this.infoView;function n(e,{query:t,resultsCount:n,totalItemsCount:i}){return"function"==typeof e?e(t,n,i):e}this.on("search",(i,o)=>{if(o.resultsCount)t.set({isVisible:!1});else{const i=this._config.infoView&&this._config.infoView.text;let r,s;o.totalItemsCount?i&&i.notFound?(r=i.notFound.primary,s=i.notFound.secondary):(r=e("No results found"),s=""):i&&i.noSearchableItems?(r=i.noSearchableItems.primary,s=i.noSearchableItems.secondary):(r=e("No searchable items"),s=""),t.set({primaryText:n(r,o),secondaryText:n(s,o),isVisible:!0})}})}}var vg=o(2688),yg={};yg.setAttributes=po(),yg.insert=fo().bind(null,"head"),yg.domAPI=ho(),yg.insertStyleElement=bo(),co()(vg.A,yg),vg.A&&vg.A.locals&&vg.A.locals;class xg extends _g{constructor(e,t){super(e,t),this._config=t;const n=ei("px");this.extendTemplate({attributes:{class:["ck-autocomplete"]}});const i=this.resultsView.bindTemplate;this.resultsView.set("isVisible",!1),this.resultsView.set("_position","s"),this.resultsView.set("_width",0),this.resultsView.extendTemplate({attributes:{class:[i.if("isVisible","ck-hidden",e=>!e),i.to("_position",e=>`ck-search__results_${e}`)],style:{width:i.to("_width",n)}}}),this.focusTracker.on("change:isFocused",(e,n,i)=>{this._updateResultsVisibility(),i?this.resultsView.element.scrollTop=0:t.resetOnBlur&&this.queryView.reset()}),this.on("search",()=>{this._updateResultsVisibility(),this._updateResultsViewWidthAndPosition()}),this.keystrokes.set("esc",(e,t)=>{this.resultsView.isVisible&&(this.queryView.focus(),this.resultsView.isVisible=!1,t())}),this.listenTo(Fn.document,"scroll",()=>{this._updateResultsViewWidthAndPosition()}),this.on("change:isEnabled",()=>{this._updateResultsVisibility()}),this.filteredView.on("execute",(e,{value:t})=>{this.focus(),this.reset(),this.queryView.fieldView.value=this.queryView.fieldView.element.value=t,this.resultsView.isVisible=!1}),this.resultsView.on("change:isVisible",()=>{this._updateResultsViewWidthAndPosition()})}_updateResultsViewWidthAndPosition(){if(!this.resultsView.isVisible)return;this.resultsView._width=new Wn(this.queryView.fieldView.element).width;const e=xg._getOptimalPosition({element:this.resultsView.element,target:this.queryView.element,fitInViewport:!0,positions:xg.defaultResultsPositions});this.resultsView._position=e?e.name:"s"}_updateResultsVisibility(){const e=void 0===this._config.queryMinChars?0:this._config.queryMinChars,t=this.queryView.fieldView.element.value.length;this.resultsView.isVisible=this.focusTracker.isFocused&&this.isEnabled&&t>=e}}xg.defaultResultsPositions=[e=>({top:e.bottom,left:e.left,name:"s"}),(e,t)=>({top:e.top-t.height,left:e.left,name:"n"})],xg._getOptimalPosition=ri;RegExp(/[&<>"']/g.source);var Ag=o(1998),Cg={};Cg.setAttributes=po(),Cg.insert=fo().bind(null,"head"),Cg.domAPI=ho(),Cg.insertStyleElement=bo(),co()(Ag.A,Cg),Ag.A&&Ag.A.locals&&Ag.A.locals;var Eg=o(5706),Tg={};Tg.setAttributes=po(),Tg.insert=fo().bind(null,"head"),Tg.domAPI=ho(),Tg.insertStyleElement=bo(),co()(Eg.A,Tg),Eg.A&&Eg.A.locals&&Eg.A.locals,ei("px");var Pg=o(9939),Sg={};function Rg(e,t,n="    "){return`${n.repeat(Math.max(0,t))}${e}`}Sg.setAttributes=po(),Sg.insert=fo().bind(null,"head"),Sg.domAPI=ho(),Sg.insertStyleElement=bo(),co()(Pg.A,Sg),Pg.A&&Pg.A.locals&&Pg.A.locals,ei("px"),ei("px");var Ig=o(9227),Og={};Og.setAttributes=po(),Og.insert=fo().bind(null,"head"),Og.domAPI=ho(),Og.insertStyleElement=bo(),co()(Ig.A,Og),Ig.A&&Ig.A.locals&&Ig.A.locals;const Mg="SourceEditingMode";function Vg(e){return function(e){return e.startsWith("<")}(e)?function(e){const t=[{name:"address",isVoid:!1},{name:"article",isVoid:!1},{name:"aside",isVoid:!1},{name:"blockquote",isVoid:!1},{name:"details",isVoid:!1},{name:"dialog",isVoid:!1},{name:"dd",isVoid:!1},{name:"div",isVoid:!1},{name:"dl",isVoid:!1},{name:"dt",isVoid:!1},{name:"fieldset",isVoid:!1},{name:"figcaption",isVoid:!1},{name:"figure",isVoid:!1},{name:"footer",isVoid:!1},{name:"form",isVoid:!1},{name:"h1",isVoid:!1},{name:"h2",isVoid:!1},{name:"h3",isVoid:!1},{name:"h4",isVoid:!1},{name:"h5",isVoid:!1},{name:"h6",isVoid:!1},{name:"header",isVoid:!1},{name:"hgroup",isVoid:!1},{name:"hr",isVoid:!0},{name:"li",isVoid:!1},{name:"main",isVoid:!1},{name:"nav",isVoid:!1},{name:"ol",isVoid:!1},{name:"p",isVoid:!1},{name:"section",isVoid:!1},{name:"table",isVoid:!1},{name:"tbody",isVoid:!1},{name:"td",isVoid:!1},{name:"th",isVoid:!1},{name:"thead",isVoid:!1},{name:"tr",isVoid:!1},{name:"ul",isVoid:!1}],n=t.map(e=>e.name).join("|"),i=e.replace(new RegExp(`</?(${n})( .*?)?>`,"g"),"\n$&\n").replace(/<br[^>]*>/g,"$&\n").split("\n");let o=0,r=!1;return i.filter(e=>e.length).map(e=>(r=function(e,t){return new RegExp("<pre( .*?)?>").test(e)?"first":new RegExp("</pre>").test(e)?"last":("first"===t||"middle"===t)&&"middle"}(e,r),function(e,t){return t.some(t=>!t.isVoid&&!!new RegExp(`<${t.name}( .*?)?>`).test(e))}(e,t)?Rg(e,o++):function(e,t){return t.some(t=>new RegExp(`</${t.name}>`).test(e))}(e,t)?Rg(e,--o):"middle"===r||"last"===r?e:Rg(e,o))).join("\n")}(e):e}class Ng extends Kf{constructor(e,t){super(e),this.view=t,this._toolbarConfig=vu(e.config.get("toolbar")),this._elementReplacer=new W,this.listenTo(e.editing.view,"scrollToTheSelection",this._handleScrollToTheSelectionWithStickyPanel.bind(this))}get element(){return this.view.element}init(e){const t=this.editor,n=this.view,i=t.editing.view,o=n.editable,r=i.document.getRoot();o.name=r.rootName,n.render();const s=o.element;this.setEditableElement(o.name,s),n.editable.bind("isFocused").to(this.focusTracker),i.attachDomRoot(s),e&&this._elementReplacer.replace(e,this.element),this._initPlaceholder(),this._initToolbar(),this._initDialogPluginIntegration(),this.fire("ready")}destroy(){super.destroy();const e=this.view,t=this.editor.editing.view;this._elementReplacer.restore(),t.detachDomRoot(e.editable.name),e.destroy()}_initToolbar(){const e=this.view;e.stickyPanel.bind("isActive").to(this.focusTracker,"isFocused"),e.stickyPanel.limiterElement=e.element,e.stickyPanel.bind("viewportTopOffset").to(this,"viewportOffset",({top:e})=>e||0),e.toolbar.fillFromConfig(this._toolbarConfig,this.componentFactory),this.addToolbar(e.toolbar)}_initPlaceholder(){const e=this.editor,t=e.editing.view,n=t.document.getRoot(),i=e.sourceElement;let o;const r=e.config.get("placeholder");r&&(o="string"==typeof r?r:r[this.view.editable.name]),!o&&i&&"textarea"===i.tagName.toLowerCase()&&(o=i.getAttribute("placeholder")),o&&(n.placeholder=o),function({view:e,element:t,text:n,isDirectHost:i=!0,keepOnFocus:o=!1}){const r=e.document;function s(n){_o.get(r).set(t,{text:n,isDirectHost:i,keepOnFocus:o,hostElement:i?t:null}),e.change(e=>yo(r,e))}_o.has(r)||(_o.set(r,new Map),r.registerPostFixer(e=>yo(r,e)),r.on("change:isComposing",()=>{e.change(e=>yo(r,e))},{priority:"high"})),t.is("editableElement")&&t.on("change:placeholder",(e,t,n)=>{s(n)}),t.placeholder?s(t.placeholder):n&&s(n),n&&(vo||m("enableplaceholder-deprecated-text-option"),vo=!0)}({view:t,element:n,isDirectHost:!1,keepOnFocus:!0})}_handleScrollToTheSelectionWithStickyPanel(e,t,n){const i=this.view.stickyPanel;if(i.isSticky){const e=new Wn(i.element).height;t.viewportOffset.top+=e}else{const e=()=>{this.editor.editing.view.scrollToTheSelection(n)};this.listenTo(i,"change:isSticky",e),setTimeout(()=>{this.stopListening(i,"change:isSticky",e)},20)}}_initDialogPluginIntegration(){if(!this.editor.plugins.has("Dialog"))return;const e=this.view.stickyPanel,t=this.editor.plugins.get("Dialog");t.on("show",()=>{const n=t.view;n.on("moveTo",(t,i)=>{if(!e.isSticky||n.wasMoved)return;const o=new Wn(e.contentPanelElement);i[1]<o.bottom+wf.defaultOffset&&(i[1]=o.bottom+wf.defaultOffset)},{priority:"high"})},{priority:"low"})}}var Dg=o(9881),Bg={};Bg.setAttributes=po(),Bg.insert=fo().bind(null,"head"),Bg.domAPI=ho(),Bg.insertStyleElement=bo(),co()(Dg.A,Bg),Dg.A&&Dg.A.locals&&Dg.A.locals;class Lg extends Xf{constructor(e,t,n={}){super(e),this.stickyPanel=new gg(e),this.toolbar=new Eu(e,{shouldGroupWhenFull:n.shouldToolbarGroupWhenFull}),this.editable=new tg(e,t)}render(){super.render(),this.stickyPanel.content.add(this.toolbar),this.top.add(this.stickyPanel),this.main.add(this.editable)}}class Fg{constructor(e){if(this.crashes=[],this.state="initializing",this._now=Date.now,this.crashes=[],this._crashNumberLimit="number"==typeof e.crashNumberLimit?e.crashNumberLimit:3,this._minimumNonErrorTimePeriod="number"==typeof e.minimumNonErrorTimePeriod?e.minimumNonErrorTimePeriod:5e3,this._boundErrorHandler=e=>{const t="error"in e?e.error:e.reason;t instanceof Error&&this._handleError(t,e)},this._listeners={},!this._restart)throw new Error("The Watchdog class was split into the abstract `Watchdog` class and the `EditorWatchdog` class. Please, use `EditorWatchdog` if you have used the `Watchdog` class previously.")}destroy(){this._stopErrorHandling(),this._listeners={}}on(e,t){this._listeners[e]||(this._listeners[e]=[]),this._listeners[e].push(t)}off(e,t){this._listeners[e]=this._listeners[e].filter(e=>e!==t)}_fire(e,...t){const n=this._listeners[e]||[];for(const e of n)e.apply(this,[null,...t])}_startErrorHandling(){window.addEventListener("error",this._boundErrorHandler),window.addEventListener("unhandledrejection",this._boundErrorHandler)}_stopErrorHandling(){window.removeEventListener("error",this._boundErrorHandler),window.removeEventListener("unhandledrejection",this._boundErrorHandler)}_handleError(e,t){if(this._shouldReactToError(e)){this.crashes.push({message:e.message,stack:e.stack,filename:t instanceof ErrorEvent?t.filename:void 0,lineno:t instanceof ErrorEvent?t.lineno:void 0,colno:t instanceof ErrorEvent?t.colno:void 0,date:this._now()});const n=this._shouldRestart();this.state="crashed",this._fire("stateChange"),this._fire("error",{error:e,causesRestart:n}),n?this._restart():(this.state="crashedPermanently",this._fire("stateChange"))}}_shouldReactToError(e){return e.is&&e.is("CKEditorError")&&void 0!==e.context&&null!==e.context&&"ready"===this.state&&this._isErrorComingFromThisItem(e)}_shouldRestart(){return this.crashes.length<=this._crashNumberLimit||(this.crashes[this.crashes.length-1].date-this.crashes[this.crashes.length-1-this._crashNumberLimit].date)/this._crashNumberLimit>this._minimumNonErrorTimePeriod}}function zg(e,t=new Set){const n=[e],i=new Set;let o=0;for(;n.length>o;){const e=n[o++];if(!i.has(e)&&$g(e)&&!t.has(e))if(i.add(e),Symbol.iterator in e)try{for(const t of e)n.push(t)}catch(e){}else for(const t in e)"defaultValue"!==t&&n.push(e[t])}return i}function $g(e){const t=Object.prototype.toString.call(e),n=typeof e;return!("number"===n||"boolean"===n||"string"===n||"symbol"===n||"function"===n||"[object Date]"===t||"[object RegExp]"===t||"[object Module]"===t||null==e||e._watchdogExcluded||e instanceof EventTarget||e instanceof Event)}function Hg(e,t,n=new Set){if(e===t&&"object"==typeof(i=e)&&null!==i)return!0;var i;const o=zg(e,n),r=zg(t,n);for(const e of o)if(r.has(e))return!0;return!1}class jg extends Fg{constructor(e,t={}){super(t),this._editor=null,this._initUsingData=!0,this._editables={},this._throttledSave=Bf(this._save.bind(this),"number"==typeof t.saveInterval?t.saveInterval:5e3),e&&(this._creator=(t,n)=>e.create(t,n)),this._destructor=e=>e.destroy()}get editor(){return this._editor}get _item(){return this._editor}setCreator(e){this._creator=e}setDestructor(e){this._destructor=e}_restart(){return Promise.resolve().then(()=>(this.state="initializing",this._fire("stateChange"),this._destroy())).catch(e=>{console.error("An error happened during the editor destroying.",e)}).then(()=>{const e={},t=[],n=this._config.rootsAttributes||{},i={};for(const[o,r]of Object.entries(this._data.roots))r.isLoaded?(e[o]="",i[o]=n[o]||{}):t.push(o);const o={...this._config,extraPlugins:this._config.extraPlugins||[],lazyRoots:t,rootsAttributes:i,_watchdogInitialData:this._data};return delete o.initialData,o.extraPlugins.push(qg),this._initUsingData?this.create(e,o,o.context):Pn(this._elementOrData)?this.create(this._elementOrData,o,o.context):this.create(this._editables,o,o.context)}).then(()=>{this._fire("restart")})}create(e=this._elementOrData,t=this._config,n){return Promise.resolve().then(()=>(super._startErrorHandling(),this._elementOrData=e,this._initUsingData="string"==typeof e||Object.keys(e).length>0&&"string"==typeof Object.values(e)[0],this._config=this._cloneEditorConfiguration(t)||{},this._config.context=n,this._creator(e,this._config))).then(e=>{this._editor=e,e.model.document.on("change:data",this._throttledSave),this._lastDocumentVersion=e.model.document.version,this._data=this._getData(),this._initUsingData||(this._editables=this._getEditables()),this.state="ready",this._fire("stateChange")})}destroy(){return Promise.resolve().then(()=>(this.state="destroyed",this._fire("stateChange"),super.destroy(),this._destroy()))}_destroy(){return Promise.resolve().then(()=>{this._stopErrorHandling(),this._throttledSave.cancel();const e=this._editor;return this._editor=null,e.model.document.off("change:data",this._throttledSave),this._destructor(e)})}_save(){const e=this._editor.model.document.version;try{this._data=this._getData(),this._initUsingData||(this._editables=this._getEditables()),this._lastDocumentVersion=e}catch(e){console.error(e,"An error happened during restoring editor data. Editor will be restored from the previously saved data.")}}_setExcludedProperties(e){this._excludedProps=e}_getData(){const e=this._editor,t=e.model.document.roots.filter(e=>e.isAttached()&&"$graveyard"!=e.rootName),{plugins:n}=e,i=n.has("CommentsRepository")&&n.get("CommentsRepository"),o=n.has("TrackChanges")&&n.get("TrackChanges"),r={roots:{},markers:{},commentThreads:JSON.stringify([]),suggestions:JSON.stringify([])};t.forEach(e=>{r.roots[e.rootName]={content:JSON.stringify(Array.from(e.getChildren())),attributes:JSON.stringify(Array.from(e.getAttributes())),isLoaded:e._isLoaded}});for(const t of e.model.markers)t._affectsData&&(r.markers[t.name]={rangeJSON:t.getRange().toJSON(),usingOperation:t._managedUsingOperations,affectsData:t._affectsData});return i&&(r.commentThreads=JSON.stringify(i.getCommentThreads({toJSON:!0,skipNotAttached:!0}))),o&&(r.suggestions=JSON.stringify(o.getSuggestions({toJSON:!0,skipNotAttached:!0}))),r}_getEditables(){const e={};for(const t of this.editor.model.document.getRootNames()){const n=this.editor.ui.getEditableElement(t);n&&(e[t]=n)}return e}_isErrorComingFromThisItem(e){return Hg(this._editor,e.context,this._excludedProps)}_cloneEditorConfiguration(e){return Tn(e,(e,t)=>Pn(e)||"context"===t?e:void 0)}}class qg{constructor(e){this.editor=e,this._data=e.config.get("_watchdogInitialData")}init(){this.editor.data.on("init",e=>{e.stop(),this.editor.model.enqueueChange({isUndoable:!1},e=>{this._restoreCollaborationData(),this._restoreEditorData(e)}),this.editor.data.fire("ready")},{priority:999})}_createNode(e,t){if("name"in t){const n=e.createElement(t.name,t.attributes);if(t.children)for(const i of t.children)n._appendChild(this._createNode(e,i));return n}return e.createText(t.data,t.attributes)}_restoreEditorData(e){const t=this.editor;Object.entries(this._data.roots).forEach(([n,{content:i,attributes:o}])=>{const r=JSON.parse(i),s=JSON.parse(o),a=t.model.document.getRoot(n);for(const[t,n]of s)e.setAttribute(t,n,a);for(const t of r){const n=this._createNode(e,t);e.insert(n,a,"end")}}),Object.entries(this._data.markers).forEach(([n,i])=>{const{document:o}=t.model,{rangeJSON:{start:r,end:s},...a}=i,c=o.getRoot(r.root),l=e.createPositionFromPath(c,r.path,r.stickiness),d=e.createPositionFromPath(c,s.path,s.stickiness),h=e.createRange(l,d);e.addMarker(n,{range:h,...a})})}_restoreCollaborationData(){const e=JSON.parse(this._data.commentThreads),t=JSON.parse(this._data.suggestions);e.forEach(e=>{const t=this.editor.config.get("collaboration.channelId"),n=this.editor.plugins.get("CommentsRepository");n.hasCommentThread(e.threadId)&&n.getCommentThread(e.threadId).remove(),n.addCommentThread({channelId:t,...e})}),t.forEach(e=>{const t=this.editor.plugins.get("TrackChangesEditing");t.hasSuggestion(e.id)?t.getSuggestion(e.id).attributes=e.attributes:t.addSuggestionData(e)})}}const Wg=Symbol("MainQueueId");class Ug{constructor(){this._onEmptyCallbacks=[],this._queues=new Map,this._activeActions=0}onEmpty(e){this._onEmptyCallbacks.push(e)}enqueue(e,t){const n=e===Wg;this._activeActions++,this._queues.get(e)||this._queues.set(e,Promise.resolve());const i=(n?Promise.all(this._queues.values()):Promise.all([this._queues.get(Wg),this._queues.get(e)])).then(t),o=i.catch(()=>{});return this._queues.set(e,o),i.finally(()=>{this._activeActions--,this._queues.get(e)===o&&0===this._activeActions&&this._onEmptyCallbacks.forEach(e=>e())})}}function Zg(e){return Array.isArray(e)?e:[e]}class Kg extends(kd(bd)){constructor(e,t={}){if(!Jg(e)&&void 0!==t.initialData)throw new p("editor-create-initial-data",null);super(t),void 0===this.config.get("initialData")&&this.config.set("initialData",function(e){return Jg(e)?(t=e)instanceof HTMLTextAreaElement?t.value:t.innerHTML:e;var t}(e)),Jg(e)&&(this.sourceElement=e),this.model.document.createRoot();const n=!this.config.get("toolbar.shouldNotGroupWhenFull"),i=new Lg(this.locale,this.editing.view,{shouldToolbarGroupWhenFull:n});this.ui=new Ng(this,i),function(e){if(!xe(e.updateSourceElement))throw new p("attachtoform-missing-elementapi-interface",e);const t=e.sourceElement;if(function(e){return!!e&&"textarea"===e.tagName.toLowerCase()}(t)&&t.form){let n;const i=t.form,o=()=>e.updateSourceElement();xe(i.submit)&&(n=i.submit,i.submit=()=>{o(),n.apply(i)}),i.addEventListener("submit",o),e.on("destroy",()=>{i.removeEventListener("submit",o),n&&(i.submit=n)})}}(this)}destroy(){return this.sourceElement&&this.updateSourceElement(),this.ui.destroy(),super.destroy()}static create(e,t={}){return new Promise(n=>{const i=new this(e,t);n(i.initPlugins().then(()=>i.ui.init(Jg(e)?e:null)).then(()=>i.data.init(i.config.get("initialData"))).then(()=>i.fire("ready")).then(()=>i))})}}Kg.Context=ro,Kg.EditorWatchdog=jg,Kg.ContextWatchdog=class extends Fg{constructor(e,t={}){super(t),this._watchdogs=new Map,this._context=null,this._contextProps=new Set,this._actionQueues=new Ug,this._watchdogConfig=t,this._creator=t=>e.create(t),this._destructor=e=>e.destroy(),this._actionQueues.onEmpty(()=>{"initializing"===this.state&&(this.state="ready",this._fire("stateChange"))})}setCreator(e){this._creator=e}setDestructor(e){this._destructor=e}get context(){return this._context}create(e={}){return this._actionQueues.enqueue(Wg,()=>(this._contextConfig=e,this._create()))}getItem(e){return this._getWatchdog(e)._item}getItemState(e){return this._getWatchdog(e).state}add(e){const t=Zg(e);return Promise.all(t.map(e=>this._actionQueues.enqueue(e.id,()=>{if("destroyed"===this.state)throw new Error("Cannot add items to destroyed watchdog.");if(!this._context)throw new Error("Context was not created yet. You should call the `ContextWatchdog#create()` method first.");let t;if(this._watchdogs.has(e.id))throw new Error(`Item with the given id is already added: '${e.id}'.`);if("editor"===e.type)return t=new jg(null,this._watchdogConfig),t.setCreator(e.creator),t._setExcludedProperties(this._contextProps),e.destructor&&t.setDestructor(e.destructor),this._watchdogs.set(e.id,t),t.on("error",(n,{error:i,causesRestart:o})=>{this._fire("itemError",{itemId:e.id,error:i}),o&&this._actionQueues.enqueue(e.id,()=>new Promise(n=>{const i=()=>{t.off("restart",i),this._fire("itemRestart",{itemId:e.id}),n()};t.on("restart",i)}))}),t.create(e.sourceElementOrData,e.config,this._context);throw new Error(`Not supported item type: '${e.type}'.`)})))}remove(e){const t=Zg(e);return Promise.all(t.map(e=>this._actionQueues.enqueue(e,()=>{const t=this._getWatchdog(e);return this._watchdogs.delete(e),t.destroy()})))}destroy(){return this._actionQueues.enqueue(Wg,()=>(this.state="destroyed",this._fire("stateChange"),super.destroy(),this._destroy()))}_restart(){return this._actionQueues.enqueue(Wg,()=>(this.state="initializing",this._fire("stateChange"),this._destroy().catch(e=>{console.error("An error happened during destroying the context or items.",e)}).then(()=>this._create()).then(()=>this._fire("restart"))))}_create(){return Promise.resolve().then(()=>(this._startErrorHandling(),this._creator(this._contextConfig))).then(e=>(this._context=e,this._contextProps=zg(this._context),Promise.all(Array.from(this._watchdogs.values()).map(e=>(e._setExcludedProperties(this._contextProps),e.create(void 0,void 0,this._context))))))}_destroy(){return Promise.resolve().then(()=>{this._stopErrorHandling();const e=this._context;return this._context=null,this._contextProps=new Set,Promise.all(Array.from(this._watchdogs.values()).map(e=>e.destroy())).then(()=>this._destructor(e))})}_getWatchdog(e){const t=this._watchdogs.get(e);if(!t)throw new Error(`Item with the given id was not registered: ${e}.`);return t}_isErrorComingFromThisItem(e){for(const t of this._watchdogs.values())if(t._isErrorComingFromThisItem(e))return!1;return Hg(this._context,e.context)}};const Gg=Kg;function Jg(e){return Pn(e)}class Qg extends As{constructor(e){super(e),this.domEventType=["paste","copy","cut","drop","dragover","dragstart","dragend","dragenter","dragleave"];const t=this.document;function n(e){return(n,i)=>{i.preventDefault();const o=i.dropRange?[i.dropRange]:null,r=new d(t,e);t.fire(r,{dataTransfer:i.dataTransfer,method:n.name,targetRanges:o,target:i.target,domEvent:i.domEvent}),r.stop.called&&i.stopPropagation()}}this.listenTo(t,"paste",n("clipboardInput"),{priority:"low"}),this.listenTo(t,"drop",n("clipboardInput"),{priority:"low"}),this.listenTo(t,"dragover",n("dragging"),{priority:"low"})}onDomEvent(e){const t="clipboardData"in e?e.clipboardData:e.dataTransfer,n="drop"==e.type||"paste"==e.type,i={dataTransfer:new aa(t,{cacheFiles:n})};"drop"!=e.type&&"dragover"!=e.type||(i.dropRange=function(e,t){const n=t.target.ownerDocument,i=t.clientX,o=t.clientY;let r;return n.caretRangeFromPoint&&n.caretRangeFromPoint(i,o)?r=n.caretRangeFromPoint(i,o):t.rangeParent&&(r=n.createRange(),r.setStart(t.rangeParent,t.rangeOffset),r.collapse(!0)),r?e.domConverter.domRangeToView(r):null}(this.view,e)),this.fire(e.type,e,i)}}const Yg=["figcaption","li"],Xg=["ol","ul"];function ep(e){if(e.is("$text")||e.is("$textProxy"))return e.data;if(e.is("element","img")&&e.hasAttribute("alt"))return e.getAttribute("alt");if(e.is("element","br"))return"\n";let t="",n=null;for(const i of e.getChildren())t+=tp(i,n)+ep(i),n=i;return t}function tp(e,t){return t?e.is("element","li")&&!e.isEmpty&&e.getChild(0).is("containerElement")||Xg.includes(e.name)&&Xg.includes(t.name)?"\n\n":e.is("containerElement")||t.is("containerElement")?Yg.includes(e.name)||Yg.includes(t.name)?"\n":"\n\n":"":""}const np=function(e){return e==e&&!O(e)},ip=function(e,t){return function(n){return null!=n&&n[e]===t&&(void 0!==t||e in Object(n))}},op=function(e){var t=function(e){for(var t=Ct(e),n=t.length;n--;){var i=t[n],o=e[i];t[n]=[i,o,np(o)]}return t}(e);return 1==t.length&&t[0][2]?ip(t[0][0],t[0][1]):function(n){return n===e||function(e,t,n,i){var o=n.length,r=o,s=!i;if(null==e)return!r;for(e=Object(e);o--;){var a=n[o];if(s&&a[2]?a[1]!==e[a[0]]:!(a[0]in e))return!1}for(;++o<r;){var c=(a=n[o])[0],l=e[c],d=a[1];if(s&&a[2]){if(void 0===l&&!(c in e))return!1}else{var h=new Ue;if(i)var u=i(l,d,c,e,t,h);if(!(void 0===u?ea(d,l,3,i,h):u))return!1}}return!0}(n,e,t)}},rp=function(e,t){return null!=e&&t in Object(e)},sp=function(e,t){return null!=e&&function(e,t,n){for(var i=-1,o=(t=Go(t,e)).length,r=!1;++i<o;){var s=Jo(t[i]);if(!(r=null!=e&&n(e,s)))break;e=e[s]}return r||++i!=o?r:!!(o=null==e?0:e.length)&&lt(o)&&ct(s,o)&&(se(e)||nt(e))}(e,t,rp)},ap=function(e){return Do(e)?(t=Jo(e),function(e){return null==e?void 0:e[t]}):function(e){return function(t){return Qo(t,e)}}(e);var t},cp=function(e){return"function"==typeof e?e:null==e?Mi:"object"==typeof e?se(e)?(t=e[0],n=e[1],Do(t)&&np(n)?ip(Jo(t),n):function(e){var i=er(e,t);return void 0===i&&i===n?sp(e,t):ea(n,i,3)}):op(e):ap(e);var t,n},lp=function(e,t){var n={};return t=cp(t),function(e,t){e&&Si(e,t,Ct)}(e,function(e,i,o){Ke(n,i,t(e,i,o))}),n};class dp extends eo{constructor(){super(...arguments),this._markersToCopy=new Map}static get pluginName(){return"ClipboardMarkersUtils"}_registerMarkerToCopy(e,t){const n=Array.isArray(t)?t:this._mapRestrictionPresetToActions(t);n.length&&this._markersToCopy.set(e,n)}_mapRestrictionPresetToActions(e){switch(e){case"always":return["copy","cut","dragstart"];case"default":return["cut","dragstart"];default:return[]}}_copySelectedFragmentWithMarkers(e,t,n=e=>e.model.getSelectedContent(e.model.document.selection)){return this.editor.model.change(i=>{const o=i.model.document.selection;i.setSelection(t);const r=this._insertFakeMarkersIntoSelection(i,i.model.document.selection,e),s=n(i),a=this._removeFakeMarkersInsideElement(i,s);for(const[e,t]of Object.entries(r)){a[e]||(a[e]=i.createRangeIn(s));for(const e of t)i.remove(e)}s.markers.clear();for(const[e,t]of Object.entries(a))s.markers.set(e,t);return i.setSelection(o),s})}_pasteMarkersIntoTransformedElement(e,t){const n=this._getCopyableMarkersFromRangeMap(e);return this.editor.model.change(e=>{const i=this._insertFakeMarkersElements(e,n),o=t(e),r=this._removeFakeMarkersInsideElement(e,o);for(const t of Object.values(i).flat())e.remove(t);for(const[t,n]of Object.entries(r)){const i=e.model.markers.has(t)?this._getUniqueMarkerName(t):t;e.addMarker(i,{usingOperation:!0,affectsData:!0,range:n})}return o})}_forceMarkersCopy(e,t){const n=this._markersToCopy.get(e);this._markersToCopy.set(e,this._mapRestrictionPresetToActions("always")),t(),n?this._markersToCopy.set(e,n):this._markersToCopy.delete(e)}_canPerformMarkerClipboardAction(e,t){const[n]=e.split(":");return t?(this._markersToCopy.get(n)||[]).includes(t):this._markersToCopy.has(n)}_setUniqueMarkerNamesInFragment(e){const t=Array.from(e.markers);e.markers.clear();for(const[n,i]of t){const t=this._canPerformMarkerClipboardAction(n,null)?this._getUniqueMarkerName(n):n;e.markers.set(t,i)}}_insertFakeMarkersIntoSelection(e,t,n){const i=this._getCopyableMarkersFromSelection(e,t,n);return this._insertFakeMarkersElements(e,i)}_getCopyableMarkersFromSelection(e,t,n){return Array.from(t.getRanges()).flatMap(t=>Array.from(e.model.markers.getMarkersIntersectingRange(t))).filter(e=>this._canPerformMarkerClipboardAction(e.name,n)).map(e=>({name:e.name,range:e.getRange()}))}_getCopyableMarkersFromRangeMap(e,t=null){return(e instanceof Map?Array.from(e.entries()):Object.entries(e)).map(([e,t])=>({name:e,range:t})).filter(e=>this._canPerformMarkerClipboardAction(e.name,t))}_insertFakeMarkersElements(e,t){const n={},i=t.flatMap(e=>{const{start:t,end:n}=e.range;return[{position:t,marker:e,type:"start"},{position:n,marker:e,type:"end"}]}).sort(({position:e},{position:t})=>e.isBefore(t)?1:-1);for(const{position:t,marker:o,type:r}of i){const i=e.createElement("$marker",{"data-name":o.name,"data-type":r});n[o.name]||(n[o.name]=[]),n[o.name].push(i),e.insert(i,t)}return n}_removeFakeMarkersInsideElement(e,t){const n=this._getAllFakeMarkersFromElement(e,t).reduce((t,n)=>{const i=n.markerElement&&e.createPositionBefore(n.markerElement);let o=t[n.name];return o&&o.start&&o.end&&(t[this._getUniqueMarkerName(n.name)]=t[n.name],o=null),t[n.name]={...o,[n.type]:i},n.markerElement&&e.remove(n.markerElement),t},{});return lp(n,n=>new Pa(n.start||e.createPositionFromPath(t,[0]),n.end||e.createPositionAt(t,"end")))}_getAllFakeMarkersFromElement(e,t){const n=Array.from(e.createRangeIn(t)).flatMap(({item:e})=>{if(!e.is("element","$marker"))return[];const t=e.getAttribute("data-name"),n=e.getAttribute("data-type");return[{markerElement:e,name:t,type:n}]}),i=[],o=[];for(const e of n)"end"===e.type&&(n.some(t=>t.name===e.name&&"start"===t.type)||i.push({markerElement:null,name:e.name,type:"start"})),"start"===e.type&&(n.some(t=>t.name===e.name&&"end"===t.type)||o.unshift({markerElement:null,name:e.name,type:"end"}));return[...i,...n,...o]}_getUniqueMarkerName(e){const t=e.split(":"),n=u().substring(1,6);return 3===t.length?`${t.slice(0,2).join(":")}:${n}`:`${t.join(":")}:${n}`}}class hp extends eo{static get pluginName(){return"ClipboardPipeline"}static get requires(){return[dp]}init(){this.editor.editing.view.addObserver(Qg),this._setupPasteDrop(),this._setupCopyCut()}_fireOutputTransformationEvent(e,t,n){const i=this.editor.plugins.get("ClipboardMarkersUtils")._copySelectedFragmentWithMarkers(n,t);this.fire("outputTransformation",{dataTransfer:e,content:i,method:n})}_setupPasteDrop(){const e=this.editor,t=e.model,n=e.editing.view,i=n.document,o=this.editor.plugins.get("ClipboardMarkersUtils");this.listenTo(i,"clipboardInput",(t,n)=>{"paste"!=n.method||e.model.canEditAt(e.model.document.selection)||t.stop()},{priority:"highest"}),this.listenTo(i,"clipboardInput",(e,t)=>{const i=t.dataTransfer;let o;if(t.content)o=t.content;else{let e="";i.getData("text/html")?e=function(e){return e.replace(/<span(?: class="Apple-converted-space"|)>(\s+)<\/span>/g,(e,t)=>1==t.length?" ":t).replace(/<!--[\s\S]*?-->/g,"")}(i.getData("text/html")):i.getData("text/plain")&&(((r=(r=i.getData("text/plain")).replace(/&/g,"&amp;").replace(/</g,"&lt;").replace(/>/g,"&gt;").replace(/\r?\n\r?\n/g,"</p><p>").replace(/\r?\n/g,"<br>").replace(/\t/g,"&nbsp;&nbsp;&nbsp;&nbsp;").replace(/^\s/,"&nbsp;").replace(/\s$/,"&nbsp;").replace(/\s\s/g," &nbsp;")).includes("</p><p>")||r.includes("<br>"))&&(r=`<p>${r}</p>`),e=r),o=this.editor.data.htmlProcessor.toView(e)}var r;const s=new d(this,"inputTransformation");this.fire(s,{content:o,dataTransfer:i,targetRanges:t.targetRanges,method:t.method}),s.stop.called&&e.stop(),n.scrollToTheSelection()},{priority:"low"}),this.listenTo(this,"inputTransformation",(e,n)=>{if(n.content.isEmpty)return;const i=this.editor.data.toModel(n.content,"$clipboardHolder");0!=i.childCount&&(e.stop(),t.change(()=>{this.fire("contentInsertion",{content:i,method:n.method,dataTransfer:n.dataTransfer,targetRanges:n.targetRanges})}))},{priority:"low"}),this.listenTo(this,"contentInsertion",(e,t)=>{o._setUniqueMarkerNamesInFragment(t.content)},{priority:"highest"}),this.listenTo(this,"contentInsertion",(e,n)=>{n.resultRange=t.insertContent(n.content)},{priority:"low"})}_setupCopyCut(){const e=this.editor,t=e.model.document,n=e.editing.view.document,i=(e,n)=>{const i=n.dataTransfer;n.preventDefault(),this._fireOutputTransformationEvent(i,t.selection,e.name)};this.listenTo(n,"copy",i,{priority:"low"}),this.listenTo(n,"cut",(t,n)=>{e.model.canEditAt(e.model.document.selection)?i(t,n):n.preventDefault()},{priority:"low"}),this.listenTo(this,"outputTransformation",(t,i)=>{const o=e.data.toView(i.content);n.fire("clipboardOutput",{dataTransfer:i.dataTransfer,content:o,method:i.method})},{priority:"low"}),this.listenTo(n,"clipboardOutput",(n,i)=>{i.content.isEmpty||(i.dataTransfer.setData("text/html",this.editor.data.htmlProcessor.toData(i.content)),i.dataTransfer.setData("text/plain",ep(i.content))),"cut"==i.method&&e.model.deleteContent(t.selection)},{priority:"low"})}}function*up(e,t){for(const n of t)n&&e.getAttributeProperties(n[0]).copyOnEnter&&(yield n)}class fp extends no{execute(){this.editor.model.change(e=>{this.enterBlock(e),this.fire("afterExecute",{writer:e})})}enterBlock(e){const t=this.editor.model,n=t.document.selection,i=t.schema,o=n.isCollapsed,r=n.getFirstRange(),s=r.start.parent,a=r.end.parent;if(i.isLimit(s)||i.isLimit(a))return o||s!=a||t.deleteContent(n),!1;if(o){const t=up(e.model.schema,n.getAttributes());return gp(e,r.start),e.setSelectionAttribute(t),!0}{const i=!(r.start.isAtStart&&r.end.isAtEnd),o=s==a;if(t.deleteContent(n,{leaveUnmerged:i}),i){if(o)return gp(e,n.focus),!0;e.setSelection(a,0)}}return!1}}function gp(e,t){e.split(t),e.setSelection(t.parent.nextSibling,0)}const pp={insertParagraph:{isSoft:!1},insertLineBreak:{isSoft:!0}};class mp extends vs{constructor(e){super(e);const t=this.document;let i=!1;t.on("keydown",(e,t)=>{i=t.shiftKey}),t.on("beforeinput",(o,r)=>{if(!this.isEnabled)return;let s=r.inputType;n.isSafari&&i&&"insertParagraph"==s&&(s="insertLineBreak");const a=r.domEvent,c=pp[s];if(!c)return;const l=new wr(t,"enter",r.targetRanges[0]);t.fire(l,new xs(e,a,{isSoft:c.isSoft})),l.stop.called&&o.stop()})}observe(){}stopObserving(){}}class bp extends eo{static get pluginName(){return"Enter"}init(){const e=this.editor,t=e.editing.view,n=t.document,i=this.editor.t;t.addObserver(mp),e.commands.add("enter",new fp(e)),this.listenTo(n,"enter",(i,o)=>{n.isComposing||o.preventDefault(),o.isSoft||(e.execute("enter"),t.scrollToTheSelection())},{priority:"low"}),e.accessibility.addKeystrokeInfos({keystrokes:[{label:i("Insert a hard break (a new paragraph)"),keystroke:"Enter"}]})}}class kp extends no{execute(){const e=this.editor.model,t=e.document;e.change(n=>{!function(e,t,n){const i=n.isCollapsed,o=n.getFirstRange(),r=o.start.parent,s=o.end.parent,a=r==s;if(i){const i=up(e.schema,n.getAttributes());wp(e,t,o.end),t.removeSelectionAttribute(n.getAttributeKeys()),t.setSelectionAttribute(i)}else{const i=!(o.start.isAtStart&&o.end.isAtEnd);e.deleteContent(n,{leaveUnmerged:i}),a?wp(e,t,n.focus):i&&t.setSelection(s,0)}}(e,n,t.selection),this.fire("afterExecute",{writer:n})})}refresh(){const e=this.editor.model,t=e.document;this.isEnabled=function(e,t){if(t.rangeCount>1)return!1;const n=t.anchor;if(!n||!e.checkChild(n,"softBreak"))return!1;const i=t.getFirstRange(),o=i.start.parent,r=i.end.parent;return!_p(o,e)&&!_p(r,e)||o===r}(e.schema,t.selection)}}function wp(e,t,n){const i=t.createElement("softBreak");e.insertContent(i,n),t.setSelection(i,"after")}function _p(e,t){return!e.is("rootElement")&&(t.isLimit(e)||_p(e.parent,t))}class vp extends eo{static get pluginName(){return"ShiftEnter"}init(){const e=this.editor,t=e.model.schema,n=e.conversion,i=e.editing.view,o=i.document,r=this.editor.t;t.register("softBreak",{allowWhere:"$text",isInline:!0}),n.for("upcast").elementToElement({model:"softBreak",view:"br"}),n.for("downcast").elementToElement({model:"softBreak",view:(e,{writer:t})=>t.createEmptyElement("br")}),i.addObserver(mp),e.commands.add("shiftEnter",new kp(e)),this.listenTo(o,"enter",(t,n)=>{o.isComposing||n.preventDefault(),n.isSoft&&(e.execute("shiftEnter"),i.scrollToTheSelection())},{priority:"low"}),e.accessibility.addKeystrokeInfos({keystrokes:[{label:r("Insert a soft break (a <code>&lt;br&gt;</code> element)"),keystroke:"Shift+Enter"}]})}}class yp extends(x()){constructor(){super(...arguments),this._stack=[]}add(e,t){const n=this._stack,i=n[0];this._insertDescriptor(e);const o=n[0];i===o||xp(i,o)||this.fire("change:top",{oldDescriptor:i,newDescriptor:o,writer:t})}remove(e,t){const n=this._stack,i=n[0];this._removeDescriptor(e);const o=n[0];i===o||xp(i,o)||this.fire("change:top",{oldDescriptor:i,newDescriptor:o,writer:t})}_insertDescriptor(e){const t=this._stack,n=t.findIndex(t=>t.id===e.id);if(xp(e,t[n]))return;n>-1&&t.splice(n,1);let i=0;for(;t[i]&&Ap(t[i],e);)i++;t.splice(i,0,e)}_removeDescriptor(e){const t=this._stack,n=t.findIndex(t=>t.id===e);n>-1&&t.splice(n,1)}}function xp(e,t){return e&&t&&e.priority==t.priority&&Cp(e.classes)==Cp(t.classes)}function Ap(e,t){return e.priority>t.priority||!(e.priority<t.priority)&&Cp(e.classes)>Cp(t.classes)}function Cp(e){return Array.isArray(e)?e.sort().join(","):e}const Ep="ck-widget_selected";function Tp(e){return!!e.is("element")&&!!e.getCustomProperty("widget")}function Pp(e,t,n={}){if(!e.is("containerElement"))throw new p("widget-to-widget-wrong-element-type",null,{element:e});return t.setAttribute("contenteditable","false",e),t.addClass("ck-widget",e),t.setCustomProperty("widget",!0,e),e.getFillerOffset=Mp,t.setCustomProperty("widgetLabel",[],e),n.label&&function(e,t){e.getCustomProperty("widgetLabel").push(t)}(e,n.label),n.hasSelectionHandle&&function(e,t){const n=t.createUIElement("div",{class:"ck ck-widget__selection-handle"},function(e){const t=this.toDomElement(e),n=new $h;return n.set("content",'<svg viewBox="0 0 16 16" xmlns="http://www.w3.org/2000/svg"><path d="M4 0v1H1v3H0V.5A.5.5 0 0 1 .5 0H4zm8 0h3.5a.5.5 0 0 1 .5.5V4h-1V1h-3V0zM4 16H.5a.5.5 0 0 1-.5-.5V12h1v3h3v1zm8 0v-1h3v-3h1v3.5a.5.5 0 0 1-.5.5H12z"/><path fill-opacity=".256" d="M1 1h14v14H1z"/><g class="ck-icon__selected-indicator"><path d="M7 0h2v1H7V0zM0 7h1v2H0V7zm15 0h1v2h-1V7zm-8 8h2v1H7v-1z"/><path fill-opacity=".254" d="M1 1h14v14H1z"/></g></svg>'),n.render(),t.appendChild(n.element),t});t.insert(t.createPositionAt(e,0),n),t.addClass(["ck-widget_with-selection-handle"],e)}(e,t),Ip(e,t),e}function Sp(e,t,n){if(t.classes&&n.addClass(Ti(t.classes),e),t.attributes)for(const i in t.attributes)n.setAttribute(i,t.attributes[i],e)}function Rp(e,t,n){if(t.classes&&n.removeClass(Ti(t.classes),e),t.attributes)for(const i in t.attributes)n.removeAttribute(i,e)}function Ip(e,t,n=Sp,i=Rp){const o=new yp;o.on("change:top",(t,o)=>{o.oldDescriptor&&i(e,o.oldDescriptor,o.writer),o.newDescriptor&&n(e,o.newDescriptor,o.writer)}),t.setCustomProperty("addHighlight",(e,t,n)=>o.add(t,n),e),t.setCustomProperty("removeHighlight",(e,t,n)=>o.remove(t,n),e)}function Op(e,t,n={}){return t.addClass(["ck-editor__editable","ck-editor__nested-editable"],e),t.setAttribute("role","textbox",e),n.label&&t.setAttribute("aria-label",n.label,e),t.setAttribute("contenteditable",e.isReadOnly?"false":"true",e),e.on("change:isReadOnly",(n,i,o)=>{t.setAttribute("contenteditable",o?"false":"true",e)}),e.on("change:isFocused",(n,i,o)=>{o?t.addClass("ck-editor__nested-editable_focused",e):t.removeClass("ck-editor__nested-editable_focused",e)}),Ip(e,t),e}function Mp(){return null}const Vp="widget-type-around";function Np(e,t,n){return!!e&&Tp(e)&&!n.isInline(t)}function Dp(e){return e.getAttribute(Vp)}var Bp=o(6779),Lp={};Lp.setAttributes=po(),Lp.insert=fo().bind(null,"head"),Lp.domAPI=ho(),Lp.insertStyleElement=bo(),co()(Bp.A,Lp),Bp.A&&Bp.A.locals&&Bp.A.locals;const Fp=["before","after"],zp=(new DOMParser).parseFromString('<svg viewBox="0 0 10 8" xmlns="http://www.w3.org/2000/svg"><path d="M9.055.263v3.972h-6.77M1 4.216l2-2.038m-2 2 2 2.038"/></svg>',"image/svg+xml").firstChild,$p="ck-widget__type-around_disabled";class Hp extends eo{constructor(){super(...arguments),this._currentFakeCaretModelElement=null}static get pluginName(){return"WidgetTypeAround"}static get requires(){return[bp,Vd]}init(){const e=this.editor,t=e.editing.view;this.on("change:isEnabled",(n,i,o)=>{t.change(e=>{for(const n of t.document.roots)o?e.removeClass($p,n):e.addClass($p,n)}),o||e.model.change(e=>{e.removeSelectionAttribute(Vp)})}),this._enableTypeAroundUIInjection(),this._enableInsertingParagraphsOnButtonClick(),this._enableInsertingParagraphsOnEnterKeypress(),this._enableInsertingParagraphsOnTypingKeystroke(),this._enableTypeAroundFakeCaretActivationUsingKeyboardArrows(),this._enableDeleteIntegration(),this._enableInsertContentIntegration(),this._enableInsertObjectIntegration(),this._enableDeleteContentIntegration()}destroy(){super.destroy(),this._currentFakeCaretModelElement=null}_insertParagraph(e,t){const n=this.editor,i=n.editing.view,o=n.model.schema.getAttributesWithProperty(e,"copyOnReplace",!0);n.execute("insertParagraph",{position:n.model.createPositionAt(e,t),attributes:o}),i.focus(),i.scrollToTheSelection()}_listenToIfEnabled(e,t,n,i){this.listenTo(e,t,(...e)=>{this.isEnabled&&n(...e)},i)}_insertParagraphAccordingToFakeCaretPosition(){const e=this.editor.model.document.selection,t=Dp(e);if(!t)return!1;const n=e.getSelectedElement();return this._insertParagraph(n,t),!0}_enableTypeAroundUIInjection(){const e=this.editor,t=e.model.schema,n=e.locale.t,i={before:n("Insert paragraph before block"),after:n("Insert paragraph after block")};e.editing.downcastDispatcher.on("insert",(e,o,r)=>{const s=r.mapper.toViewElement(o.item);s&&Np(s,o.item,t)&&(!function(e,t,n){const i=e.createUIElement("div",{class:"ck ck-reset_all ck-widget__type-around"},function(e){const n=this.toDomElement(e);return function(e,t){for(const n of Fp){const i=new ih({tag:"div",attributes:{class:["ck","ck-widget__type-around__button",`ck-widget__type-around__button_${n}`],title:t[n],"aria-hidden":"true"},children:[e.ownerDocument.importNode(zp,!0)]});e.appendChild(i.render())}}(n,t),function(e){const t=new ih({tag:"div",attributes:{class:["ck","ck-widget__type-around__fake-caret"]}});e.appendChild(t.render())}(n),n});e.insert(e.createPositionAt(n,"end"),i)}(r.writer,i,s),s.getCustomProperty("widgetLabel").push(()=>this.isEnabled?n("Press Enter to type after or press Shift + Enter to type before the widget"):""))},{priority:"low"})}_enableTypeAroundFakeCaretActivationUsingKeyboardArrows(){const e=this.editor,t=e.model,n=t.document.selection,i=t.schema,o=e.editing.view;function r(e){return`ck-widget_type-around_show-fake-caret_${e}`}this._listenToIfEnabled(o.document,"arrowKey",(e,t)=>{this._handleArrowKeyPress(e,t)},{context:[Tp,"$text"],priority:"high"}),this._listenToIfEnabled(n,"change:range",(t,n)=>{n.directChange&&e.model.change(e=>{e.removeSelectionAttribute(Vp)})}),this._listenToIfEnabled(t.document,"change:data",()=>{const t=n.getSelectedElement();t&&Np(e.editing.mapper.toViewElement(t),t,i)||e.model.change(e=>{e.removeSelectionAttribute(Vp)})}),this._listenToIfEnabled(e.editing.downcastDispatcher,"selection",(e,t,n)=>{const o=n.writer;if(this._currentFakeCaretModelElement){const e=n.mapper.toViewElement(this._currentFakeCaretModelElement);e&&(o.removeClass(Fp.map(r),e),this._currentFakeCaretModelElement=null)}const s=t.selection.getSelectedElement();if(!s)return;const a=n.mapper.toViewElement(s);if(!Np(a,s,i))return;const c=Dp(t.selection);c&&(o.addClass(r(c),a),this._currentFakeCaretModelElement=s)}),this._listenToIfEnabled(e.ui.focusTracker,"change:isFocused",(t,n,i)=>{i||e.model.change(e=>{e.removeSelectionAttribute(Vp)})})}_handleArrowKeyPress(e,t){const n=this.editor,i=n.model,o=i.document.selection,r=i.schema,s=n.editing.view,a=function(e,t){const n=Ei(e,t);return"down"===n||"right"===n}(t.keyCode,n.locale.contentLanguageDirection),c=s.document.selection.getSelectedElement();let l;Np(c,n.editing.mapper.toModelElement(c),r)?l=this._handleArrowKeyPressOnSelectedWidget(a):o.isCollapsed?l=this._handleArrowKeyPressWhenSelectionNextToAWidget(a):t.shiftKey||(l=this._handleArrowKeyPressWhenNonCollapsedSelection(a)),l&&(t.preventDefault(),e.stop())}_handleArrowKeyPressOnSelectedWidget(e){const t=this.editor.model,n=Dp(t.document.selection);return t.change(t=>n?n!==(e?"after":"before")&&(t.removeSelectionAttribute(Vp),!0):(t.setSelectionAttribute(Vp,e?"after":"before"),!0))}_handleArrowKeyPressWhenSelectionNextToAWidget(e){const t=this.editor,n=t.model,i=n.schema,o=t.plugins.get("Widget"),r=o._getObjectElementNextToSelection(e);return!!Np(t.editing.mapper.toViewElement(r),r,i)&&(n.change(t=>{o._setSelectionOverElement(r),t.setSelectionAttribute(Vp,e?"before":"after")}),!0)}_handleArrowKeyPressWhenNonCollapsedSelection(e){const t=this.editor,n=t.model,i=n.schema,o=t.editing.mapper,r=n.document.selection,s=e?r.getLastPosition().nodeBefore:r.getFirstPosition().nodeAfter;return!!Np(o.toViewElement(s),s,i)&&(n.change(t=>{t.setSelection(s,"on"),t.setSelectionAttribute(Vp,e?"after":"before")}),!0)}_enableInsertingParagraphsOnButtonClick(){const e=this.editor,t=e.editing.view;this._listenToIfEnabled(t.document,"mousedown",(n,i)=>{const o=i.domTarget.closest(".ck-widget__type-around__button");if(!o)return;const r=o.classList.contains("ck-widget__type-around__button_before")?"before":"after",s=function(e,t){const n=e.closest(".ck-widget");return t.mapDomToView(n)}(o,t.domConverter),a=e.editing.mapper.toModelElement(s);this._insertParagraph(a,r),i.preventDefault(),n.stop()})}_enableInsertingParagraphsOnEnterKeypress(){const e=this.editor,t=e.model.document.selection,n=e.editing.view;this._listenToIfEnabled(n.document,"enter",(n,i)=>{if("atTarget"!=n.eventPhase)return;const o=t.getSelectedElement(),r=e.editing.mapper.toViewElement(o),s=e.model.schema;let a;this._insertParagraphAccordingToFakeCaretPosition()?a=!0:Np(r,o,s)&&(this._insertParagraph(o,i.isSoft?"before":"after"),a=!0),a&&(i.preventDefault(),n.stop())},{context:Tp})}_enableInsertingParagraphsOnTypingKeystroke(){const e=this.editor.editing.view.document;this._listenToIfEnabled(e,"insertText",(t,n)=>{this._insertParagraphAccordingToFakeCaretPosition()&&(n.selection=e.selection)},{priority:"high"}),n.isAndroid?this._listenToIfEnabled(e,"keydown",(e,t)=>{229==t.keyCode&&this._insertParagraphAccordingToFakeCaretPosition()}):this._listenToIfEnabled(e,"compositionstart",()=>{this._insertParagraphAccordingToFakeCaretPosition()},{priority:"high"})}_enableDeleteIntegration(){const e=this.editor,t=e.editing.view,n=e.model,i=n.schema;this._listenToIfEnabled(t.document,"delete",(t,o)=>{if("atTarget"!=t.eventPhase)return;const r=Dp(n.document.selection);if(!r)return;const s=o.direction,a=n.document.selection.getSelectedElement(),c="forward"==s;if("before"===r===c)e.execute("delete",{selection:n.createSelection(a,"on")});else{const t=i.getNearestSelectionRange(n.createPositionAt(a,r),s);if(t)if(t.isCollapsed){const o=n.createSelection(t.start);if(n.modifySelection(o,{direction:s}),o.focus.isEqual(t.start)){const e=function(e,t){let n=t;for(const i of t.getAncestors({parentFirst:!0})){if(i.childCount>1||e.isLimit(i))break;n=i}return n}(i,t.start.parent);n.deleteContent(n.createSelection(e,"on"),{doNotAutoparagraph:!0})}else n.change(n=>{n.setSelection(t),e.execute(c?"deleteForward":"delete")})}else n.change(n=>{n.setSelection(t),e.execute(c?"deleteForward":"delete")})}o.preventDefault(),t.stop()},{context:Tp})}_enableInsertContentIntegration(){const e=this.editor,t=this.editor.model,n=t.document.selection;this._listenToIfEnabled(e.model,"insertContent",(e,[i,o])=>{if(o&&!o.is("documentSelection"))return;const r=Dp(n);return r?(e.stop(),t.change(e=>{const o=n.getSelectedElement(),s=t.createPositionAt(o,r),a=e.createSelection(s),c=t.insertContent(i,a);return e.setSelection(a),c})):void 0},{priority:"high"})}_enableInsertObjectIntegration(){const e=this.editor,t=this.editor.model.document.selection;this._listenToIfEnabled(e.model,"insertObject",(e,n)=>{const[,i,o={}]=n;if(i&&!i.is("documentSelection"))return;const r=Dp(t);r&&(o.findOptimalPosition=r,n[3]=o)},{priority:"high"})}_enableDeleteContentIntegration(){const e=this.editor,t=this.editor.model.document.selection;this._listenToIfEnabled(e.model,"deleteContent",(e,[n])=>{n&&!n.is("documentSelection")||Dp(t)&&e.stop()},{priority:"high"})}}function jp(e,t,n){const i=e.schema,o=e.createRangeIn(t.root),r="forward"==n?"elementStart":"elementEnd";for(const{previousPosition:e,item:s,type:a}of o.getWalker({startPosition:t,direction:n})){if(i.isLimit(s)&&!i.isInline(s))return e;if(a==r&&i.isBlock(s))return null}return null}function qp(e,t,n){const i="backward"==n?t.end:t.start;if(e.checkChild(i,"$text"))return i;for(const{nextPosition:i}of t.getWalker({direction:n}))if(e.checkChild(i,"$text"))return i;return null}var Wp=o(1216),Up={};Up.setAttributes=po(),Up.insert=fo().bind(null,"head"),Up.domAPI=ho(),Up.insertStyleElement=bo(),co()(Wp.A,Up),Wp.A&&Wp.A.locals&&Wp.A.locals;class Zp extends eo{constructor(){super(...arguments),this._previouslySelected=new Set}static get pluginName(){return"Widget"}static get requires(){return[Hp,Vd]}init(){const e=this.editor,t=e.editing.view,n=t.document,i=e.t;this.editor.editing.downcastDispatcher.on("selection",(t,n,i)=>{const o=i.writer,r=n.selection;if(r.isCollapsed)return;const s=r.getSelectedElement();if(!s)return;const a=e.editing.mapper.toViewElement(s);var c;Tp(a)&&i.consumable.consume(r,"selection")&&o.setSelection(o.createRangeOn(a),{fake:!0,label:(c=a,c.getCustomProperty("widgetLabel").reduce((e,t)=>"function"==typeof t?e?e+". "+t():t():e?e+". "+t:t,""))})}),this.editor.editing.downcastDispatcher.on("selection",(e,t,n)=>{this._clearPreviouslySelectedWidgets(n.writer);const i=n.writer,o=i.document.selection;let r=null;for(const e of o.getRanges())for(const t of e){const e=t.item;Tp(e)&&!Kp(e,r)&&(i.addClass(Ep,e),this._previouslySelected.add(e),r=e)}},{priority:"low"}),t.addObserver(dd),this.listenTo(n,"mousedown",(...e)=>this._onMousedown(...e)),this.listenTo(n,"arrowKey",(...e)=>{this._handleSelectionChangeOnArrowKeyPress(...e)},{context:[Tp,"$text"]}),this.listenTo(n,"arrowKey",(...e)=>{this._preventDefaultOnArrowKeyPress(...e)},{context:"$root"}),this.listenTo(n,"arrowKey",function(e){const t=e.model;return(n,i)=>{const o=i.keyCode==vi.arrowup,r=i.keyCode==vi.arrowdown,s=i.shiftKey,a=t.document.selection;if(!o&&!r)return;const c=r;if(s&&function(e,t){return!e.isCollapsed&&e.isBackward==t}(a,c))return;const l=function(e,t,n){const i=e.model;if(n){const e=t.isCollapsed?t.focus:t.getLastPosition(),n=jp(i,e,"forward");if(!n)return null;const o=i.createRange(e,n),r=qp(i.schema,o,"backward");return r?i.createRange(e,r):null}{const e=t.isCollapsed?t.focus:t.getFirstPosition(),n=jp(i,e,"backward");if(!n)return null;const o=i.createRange(n,e),r=qp(i.schema,o,"forward");return r?i.createRange(r,e):null}}(e,a,c);if(l){if(l.isCollapsed){if(a.isCollapsed)return;if(s)return}(l.isCollapsed||function(e,t,n){const i=e.model,o=e.view.domConverter;if(n){const e=i.createSelection(t.start);i.modifySelection(e),e.focus.isAtEnd||t.start.isEqual(e.focus)||(t=i.createRange(e.focus,t.end))}const r=e.mapper.toViewRange(t),s=o.viewRangeToDom(r),a=Wn.getDomRangeRects(s);let c;for(const e of a)if(void 0!==c){if(Math.round(e.top)>=c)return!1;c=Math.max(c,Math.round(e.bottom))}else c=Math.round(e.bottom);return!0}(e,l,c))&&(t.change(e=>{const n=c?l.end:l.start;if(s){const i=t.createSelection(a.anchor);i.setFocus(n),e.setSelection(i)}else e.setSelection(n)}),n.stop(),i.preventDefault(),i.stopPropagation())}}}(this.editor.editing),{context:"$text"}),this.listenTo(n,"delete",(e,t)=>{this._handleDelete("forward"==t.direction)&&(t.preventDefault(),e.stop())},{context:"$root"}),e.accessibility.addKeystrokeInfoGroup({id:"widget",label:i("Keystrokes that can be used when a widget is selected (for example: image, table, etc.)"),keystrokes:[{label:i("Insert a new paragraph directly after a widget"),keystroke:"Enter"},{label:i("Insert a new paragraph directly before a widget"),keystroke:"Shift+Enter"},{label:i("Move the caret to allow typing directly before a widget"),keystroke:[["arrowup"],["arrowleft"]]},{label:i("Move the caret to allow typing directly after a widget"),keystroke:[["arrowdown"],["arrowright"]]}]})}_onMousedown(e,t){const i=this.editor,o=i.editing.view,r=o.document;let s=t.target;if(t.domEvent.detail>=3)return void(this._selectBlockContent(s)&&t.preventDefault());if(function(e){let t=e;for(;t;){if(t.is("editableElement")&&!t.is("rootElement"))return!0;if(Tp(t))return!1;t=t.parent}return!1}(s))return;if(!Tp(s)&&(s=s.findAncestor(Tp),!s))return;n.isAndroid&&t.preventDefault(),r.isFocused||o.focus();const a=i.editing.mapper.toModelElement(s);this._setSelectionOverElement(a)}_selectBlockContent(e){const t=this.editor,n=t.model,i=t.editing.mapper,o=n.schema,r=i.findMappedViewAncestor(this.editor.editing.view.createPositionAt(e,0)),s=function(e,t){for(const n of e.getAncestors({includeSelf:!0,parentFirst:!0})){if(t.checkChild(n,"$text"))return n;if(t.isLimit(n)&&!t.isObject(n))break}return null}(i.toModelElement(r),n.schema);return!!s&&(n.change(e=>{const t=o.isLimit(s)?null:function(e,t){const n=new _a({startPosition:e});for(const{item:e}of n){if(t.isLimit(e)||!e.is("element"))return null;if(t.checkChild(e,"$text"))return e}return null}(e.createPositionAfter(s),o),n=e.createPositionAt(s,0),i=t?e.createPositionAt(t,0):e.createPositionAt(s,"end");e.setSelection(e.createRange(n,i))}),!0)}_handleSelectionChangeOnArrowKeyPress(e,t){const n=t.keyCode,i=this.editor.model,o=i.schema,r=i.document.selection,s=r.getSelectedElement(),a=Ei(n,this.editor.locale.contentLanguageDirection),c="down"==a||"right"==a,l="up"==a||"down"==a;if(s&&o.isObject(s)){const n=c?r.getLastPosition():r.getFirstPosition(),s=o.getNearestSelectionRange(n,c?"forward":"backward");return void(s&&(i.change(e=>{e.setSelection(s)}),t.preventDefault(),e.stop()))}if(!r.isCollapsed&&!t.shiftKey){const n=r.getFirstPosition(),s=r.getLastPosition(),a=n.nodeAfter,l=s.nodeBefore;return void((a&&o.isObject(a)||l&&o.isObject(l))&&(i.change(e=>{e.setSelection(c?s:n)}),t.preventDefault(),e.stop()))}if(!r.isCollapsed)return;const d=this._getObjectElementNextToSelection(c);if(d&&o.isObject(d)){if(o.isInline(d)&&l)return;this._setSelectionOverElement(d),t.preventDefault(),e.stop()}}_preventDefaultOnArrowKeyPress(e,t){const n=this.editor.model,i=n.schema,o=n.document.selection.getSelectedElement();o&&i.isObject(o)&&(t.preventDefault(),e.stop())}_handleDelete(e){const t=this.editor.model.document.selection;if(!this.editor.model.canEditAt(t))return;if(!t.isCollapsed)return;const n=this._getObjectElementNextToSelection(e);return n?(this.editor.model.change(e=>{let i=t.anchor.parent;for(;i.isEmpty;){const t=i;i=t.parent,e.remove(t)}this._setSelectionOverElement(n)}),!0):void 0}_setSelectionOverElement(e){this.editor.model.change(t=>{t.setSelection(t.createRangeOn(e))})}_getObjectElementNextToSelection(e){const t=this.editor.model,n=t.schema,i=t.document.selection,o=t.createSelection(i);if(t.modifySelection(o,{direction:e?"forward":"backward"}),o.isEqual(i))return null;const r=e?o.focus.nodeBefore:o.focus.nodeAfter;return r&&n.isObject(r)?r:null}_clearPreviouslySelectedWidgets(e){for(const t of this._previouslySelected)e.removeClass(Ep,t);this._previouslySelected.clear()}}function Kp(e,t){return!!t&&Array.from(e.getAncestors()).includes(t)}class Gp extends eo{constructor(){super(...arguments),this._toolbarDefinitions=new Map}static get requires(){return[cg]}static get pluginName(){return"WidgetToolbarRepository"}init(){const e=this.editor;if(e.plugins.has("BalloonToolbar")){const t=e.plugins.get("BalloonToolbar");this.listenTo(t,"show",t=>{(function(e){const t=e.getSelectedElement();return!(!t||!Tp(t))})(e.editing.view.document.selection)&&t.stop()},{priority:"high"})}this._balloon=this.editor.plugins.get("ContextualBalloon"),this.on("change:isEnabled",()=>{this._updateToolbarsVisibility()}),this.listenTo(e.ui,"update",()=>{this._updateToolbarsVisibility()}),this.listenTo(e.ui.focusTracker,"change:isFocused",()=>{this._updateToolbarsVisibility()},{priority:"low"})}destroy(){super.destroy();for(const e of this._toolbarDefinitions.values())e.view.destroy()}register(e,{ariaLabel:t,items:n,getRelatedElement:i,balloonClassName:o="ck-toolbar-container"}){if(!n.length)return void m("widget-toolbar-no-items",{toolbarId:e});const r=this.editor,s=r.t,a=new Eu(r.locale);if(a.ariaLabel=t||s("Widget toolbar"),this._toolbarDefinitions.has(e))throw new p("widget-toolbar-duplicated",this,{toolbarId:e});const c={view:a,getRelatedElement:i,balloonClassName:o,itemsConfig:n,initialized:!1};r.ui.addToolbar(a,{isContextual:!0,beforeFocus:()=>{const e=i(r.editing.view.document.selection);e&&this._showToolbar(c,e)},afterBlur:()=>{this._hideToolbar(c)}}),this._toolbarDefinitions.set(e,c)}_updateToolbarsVisibility(){let e=0,t=null,n=null;for(const i of this._toolbarDefinitions.values()){const o=i.getRelatedElement(this.editor.editing.view.document.selection);if(this.isEnabled&&o)if(this.editor.ui.focusTracker.isFocused){const r=o.getAncestors().length;r>e&&(e=r,t=o,n=i)}else this._isToolbarVisible(i)&&this._hideToolbar(i);else this._isToolbarInBalloon(i)&&this._hideToolbar(i)}n&&this._showToolbar(n,t)}_hideToolbar(e){this._balloon.remove(e.view),this.stopListening(this._balloon,"change:visibleView")}_showToolbar(e,t){this._isToolbarVisible(e)?Jp(this.editor,t):this._isToolbarInBalloon(e)||(e.initialized||(e.initialized=!0,e.view.fillFromConfig(e.itemsConfig,this.editor.ui.componentFactory)),this._balloon.add({view:e.view,position:Qp(this.editor,t),balloonClassName:e.balloonClassName}),this.listenTo(this._balloon,"change:visibleView",()=>{for(const e of this._toolbarDefinitions.values())if(this._isToolbarVisible(e)){const t=e.getRelatedElement(this.editor.editing.view.document.selection);Jp(this.editor,t)}}))}_isToolbarVisible(e){return this._balloon.visibleView===e.view}_isToolbarInBalloon(e){return this._balloon.hasView(e.view)}}function Jp(e,t){const n=e.plugins.get("ContextualBalloon"),i=Qp(e,t);n.updatePosition(i)}function Qp(e,t){const n=e.editing.view,i=Tf.defaultPositions;return{target:n.domConverter.mapViewToDom(t),positions:[i.northArrowSouth,i.northArrowSouthWest,i.northArrowSouthEast,i.southArrowNorth,i.southArrowNorthWest,i.southArrowNorthEast,i.viewportStickyNorth]}}F(),F();var Yp=o(2060),Xp={};Xp.setAttributes=po(),Xp.insert=fo().bind(null,"head"),Xp.domAPI=ho(),Xp.insertStyleElement=bo(),co()(Yp.A,Xp),Yp.A&&Yp.A.locals&&Yp.A.locals;const em=ei("px");class tm extends Th{constructor(){super();const e=this.bindTemplate;this.set({isVisible:!1,left:null,top:null,width:null}),this.setTemplate({tag:"div",attributes:{class:["ck","ck-clipboard-drop-target-line",e.if("isVisible","ck-hidden",e=>!e)],style:{left:e.to("left",e=>em(e)),top:e.to("top",e=>em(e)),width:e.to("width",e=>em(e))}}})}}class nm extends eo{constructor(){super(...arguments),this.removeDropMarkerDelayed=Gi(()=>this.removeDropMarker(),40),this._updateDropMarkerThrottled=Bf(e=>this._updateDropMarker(e),40),this._reconvertMarkerThrottled=Bf(()=>{this.editor.model.markers.has("drop-target")&&this.editor.editing.reconvertMarker("drop-target")},0),this._dropTargetLineView=new tm,this._domEmitter=new(Nn()),this._scrollables=new Map}static get pluginName(){return"DragDropTarget"}init(){this._setupDropMarker()}destroy(){this._domEmitter.stopListening();for(const{resizeObserver:e}of this._scrollables.values())e.destroy();return this._updateDropMarkerThrottled.cancel(),this.removeDropMarkerDelayed.cancel(),this._reconvertMarkerThrottled.cancel(),super.destroy()}updateDropMarker(e,t,n,i,o,r){this.removeDropMarkerDelayed.cancel();const s=im(this.editor,e,t,n,i,o,r);if(s)return r&&r.containsRange(s)?this.removeDropMarker():void this._updateDropMarkerThrottled(s)}getFinalDropRange(e,t,n,i,o,r){const s=im(this.editor,e,t,n,i,o,r);return this.removeDropMarker(),s}removeDropMarker(){const e=this.editor.model;this.removeDropMarkerDelayed.cancel(),this._updateDropMarkerThrottled.cancel(),this._dropTargetLineView.isVisible=!1,e.markers.has("drop-target")&&e.change(e=>{e.removeMarker("drop-target")})}_setupDropMarker(){const e=this.editor;e.ui.view.body.add(this._dropTargetLineView),e.conversion.for("editingDowncast").markerToHighlight({model:"drop-target",view:{classes:["ck-clipboard-drop-target-range"]}}),e.conversion.for("editingDowncast").markerToElement({model:"drop-target",view:(t,{writer:n})=>{if(e.model.schema.checkChild(t.markerRange.start,"$text"))return this._dropTargetLineView.isVisible=!1,this._createDropTargetPosition(n);t.markerRange.isCollapsed?this._updateDropTargetLine(t.markerRange):this._dropTargetLineView.isVisible=!1}})}_updateDropMarker(e){const t=this.editor,n=t.model.markers;t.model.change(t=>{n.has("drop-target")?n.get("drop-target").getRange().isEqual(e)||t.updateMarker("drop-target",{range:e}):t.addMarker("drop-target",{range:e,usingOperation:!1,affectsData:!1})})}_createDropTargetPosition(e){return e.createUIElement("span",{class:"ck ck-clipboard-drop-target-position"},function(e){const t=this.toDomElement(e);return t.append("⁠",e.createElement("span"),"⁠"),t})}_updateDropTargetLine(e){const t=this.editor.editing,n=e.start.nodeBefore,i=e.start.nodeAfter,o=e.start.parent,r=n?t.mapper.toViewElement(n):null,s=r?t.view.domConverter.mapViewToDom(r):null,a=i?t.mapper.toViewElement(i):null,c=a?t.view.domConverter.mapViewToDom(a):null,l=t.mapper.toViewElement(o);if(!l)return;const d=t.view.domConverter.mapViewToDom(l),h=this._getScrollableRect(l),{scrollX:u,scrollY:f}=Fn.window,g=s?new Wn(s):null,p=c?new Wn(c):null,m=new Wn(d).excludeScrollbarsAndBorders(),b=g?g.bottom:m.top,k=p?p.top:m.bottom,w=Fn.window.getComputedStyle(d),_=b<=k?(b+k)/2:k;if(h.top<_&&_<h.bottom){const e=m.left+parseFloat(w.paddingLeft),t=m.right-parseFloat(w.paddingRight),n=Math.max(e+u,h.left),i=Math.min(t+u,h.right);this._dropTargetLineView.set({isVisible:!0,left:n,top:_+f,width:i-n})}else this._dropTargetLineView.isVisible=!1}_getScrollableRect(e){const t=e.root.rootName;let n;if(this._scrollables.has(t))n=this._scrollables.get(t).domElement;else{n=function(e){let t=e;do{t=t.parentElement;const e=Fn.window.getComputedStyle(t).overflowY;if("auto"==e||"scroll"==e)break}while("BODY"!=t.tagName);return t}(this.editor.editing.view.domConverter.mapViewToDom(e)),this._domEmitter.listenTo(n,"scroll",this._reconvertMarkerThrottled,{usePassive:!0});const i=new Yn(n,this._reconvertMarkerThrottled);this._scrollables.set(t,{domElement:n,resizeObserver:i})}return new Wn(n).excludeScrollbarsAndBorders()}}function im(e,t,n,i,o,r,s){const a=e.model,c=e.editing.mapper;let l=am(e,t);for(;l;){if(!r)if(a.schema.checkChild(l,"$text")){if(n){const t=n[0].start,r=c.toModelPosition(t);if(!s||Array.from(s.getItems()).every(e=>a.schema.checkChild(r,e))){if(a.schema.checkChild(r,"$text"))return a.createRange(r);if(t)return rm(e,am(e,t.parent),i,o)}}}else if(a.schema.isInline(l))return rm(e,l,i,o);if(a.schema.isBlock(l))return rm(e,l,i,o);if(a.schema.checkChild(l,"$block")){const t=Array.from(l.getChildren()).filter(t=>t.is("element")&&!om(e,t));let n=0,r=t.length;if(0==r)return a.createRange(a.createPositionAt(l,"end"));for(;n<r-1;){const s=Math.floor((n+r)/2);"before"==sm(e,t[s],i,o)?r=s:n=s}return rm(e,t[n],i,o)}l=l.parent}return null}function om(e,t){const n=e.editing.mapper,i=e.editing.view.domConverter,o=n.toViewElement(t);if(!o)return!0;const r=i.mapViewToDom(o);return"none"!=Fn.window.getComputedStyle(r).float}function rm(e,t,n,i){const o=e.model;return o.createRange(o.createPositionAt(t,sm(e,t,n,i)))}function sm(e,t,n,i){const o=e.editing.mapper,r=e.editing.view.domConverter,s=o.toViewElement(t),a=r.mapViewToDom(s),c=new Wn(a);return e.model.schema.isInline(t)?n<(c.left+c.right)/2?"before":"after":i<(c.top+c.bottom)/2?"before":"after"}function am(e,t){const n=e.editing.mapper,i=e.editing.view,o=n.toModelElement(t);if(o)return o;const r=i.createPositionBefore(t),s=n.findMappedViewAncestor(r);return n.toModelElement(s)}class cm extends eo{constructor(){super(...arguments),this._isBlockDragging=!1,this._domEmitter=new(Nn())}static get pluginName(){return"DragDropBlockToolbar"}init(){const e=this.editor;if(this.listenTo(e,"change:isReadOnly",(e,t,n)=>{n?(this.forceDisabled("readOnlyMode"),this._isBlockDragging=!1):this.clearForceDisabled("readOnlyMode")}),n.isAndroid&&this.forceDisabled("noAndroidSupport"),e.plugins.has("BlockToolbar")){const t=e.plugins.get("BlockToolbar").buttonView.element;this._domEmitter.listenTo(t,"dragstart",(e,t)=>this._handleBlockDragStart(t)),this._domEmitter.listenTo(Fn.document,"dragover",(e,t)=>this._handleBlockDragging(t)),this._domEmitter.listenTo(Fn.document,"drop",(e,t)=>this._handleBlockDragging(t)),this._domEmitter.listenTo(Fn.document,"dragend",()=>this._handleBlockDragEnd(),{useCapture:!0}),this.isEnabled&&t.setAttribute("draggable","true"),this.on("change:isEnabled",(e,n,i)=>{t.setAttribute("draggable",i?"true":"false")})}}destroy(){return this._domEmitter.stopListening(),super.destroy()}_handleBlockDragStart(e){if(!this.isEnabled)return;const t=this.editor.model,n=t.document.selection,i=this.editor.editing.view,o=Array.from(n.getSelectedBlocks()),r=t.createRange(t.createPositionBefore(o[0]),t.createPositionAfter(o[o.length-1]));t.change(e=>e.setSelection(r)),this._isBlockDragging=!0,i.focus(),i.getObserver(Qg).onDomEvent(e)}_handleBlockDragging(e){if(!this.isEnabled||!this._isBlockDragging)return;const t=e.clientX+("ltr"==this.editor.locale.contentLanguageDirection?100:-100),n=e.clientY,i=document.elementFromPoint(t,n),o=this.editor.editing.view;i&&i.closest(".ck-editor__editable")&&o.getObserver(Qg).onDomEvent({...e,type:e.type,dataTransfer:e.dataTransfer,target:i,clientX:t,clientY:n,preventDefault:()=>e.preventDefault(),stopPropagation:()=>e.stopPropagation()})}_handleBlockDragEnd(){this._isBlockDragging=!1}}var lm=o(9262),dm={};dm.setAttributes=po(),dm.insert=fo().bind(null,"head"),dm.domAPI=ho(),dm.insertStyleElement=bo(),co()(lm.A,dm),lm.A&&lm.A.locals&&lm.A.locals;class hm extends eo{constructor(){super(...arguments),this._clearDraggableAttributesDelayed=Gi(()=>this._clearDraggableAttributes(),40),this._blockMode=!1,this._domEmitter=new(Nn())}static get pluginName(){return"DragDrop"}static get requires(){return[hp,Zp,nm,cm]}init(){const e=this.editor,t=e.editing.view;this._draggedRange=null,this._draggingUid="",this._draggableElement=null,t.addObserver(Qg),t.addObserver(dd),this._setupDragging(),this._setupContentInsertionIntegration(),this._setupClipboardInputIntegration(),this._setupDraggableAttributeHandling(),this.listenTo(e,"change:isReadOnly",(e,t,n)=>{n?this.forceDisabled("readOnlyMode"):this.clearForceDisabled("readOnlyMode")}),this.on("change:isEnabled",(e,t,n)=>{n||this._finalizeDragging(!1)}),n.isAndroid&&this.forceDisabled("noAndroidSupport")}destroy(){return this._draggedRange&&(this._draggedRange.detach(),this._draggedRange=null),this._previewContainer&&this._previewContainer.remove(),this._domEmitter.stopListening(),this._clearDraggableAttributesDelayed.cancel(),super.destroy()}_setupDragging(){const e=this.editor,t=e.model,i=e.editing.view,o=i.document,r=e.plugins.get(nm);this.listenTo(o,"dragstart",(e,n)=>{if(n.target&&n.target.is("editableElement"))return void n.preventDefault();if(this._prepareDraggedRange(n.target),!this._draggedRange)return void n.preventDefault();this._draggingUid=u(),n.dataTransfer.effectAllowed=this.isEnabled?"copyMove":"copy",n.dataTransfer.setData("application/ckeditor5-dragging-uid",this._draggingUid);const i=t.createSelection(this._draggedRange.toRange());this.editor.plugins.get("ClipboardPipeline")._fireOutputTransformationEvent(n.dataTransfer,i,"dragstart");const{dataTransfer:o,domTarget:r,domEvent:s}=n,{clientX:a}=s;this._updatePreview({dataTransfer:o,domTarget:r,clientX:a}),n.stopPropagation(),this.isEnabled||(this._draggedRange.detach(),this._draggedRange=null,this._draggingUid="")},{priority:"low"}),this.listenTo(o,"dragend",(e,t)=>{this._finalizeDragging(!t.dataTransfer.isCanceled&&"move"==t.dataTransfer.dropEffect)},{priority:"low"}),this._domEmitter.listenTo(Fn.document,"dragend",()=>{this._blockMode=!1},{useCapture:!0}),this.listenTo(o,"dragenter",()=>{this.isEnabled&&i.focus()}),this.listenTo(o,"dragleave",()=>{r.removeDropMarkerDelayed()}),this.listenTo(o,"dragging",(e,t)=>{if(!this.isEnabled)return void(t.dataTransfer.dropEffect="none");const{clientX:i,clientY:o}=t.domEvent;r.updateDropMarker(t.target,t.targetRanges,i,o,this._blockMode,this._draggedRange),this._draggedRange||(t.dataTransfer.dropEffect="copy"),n.isGecko||("copy"==t.dataTransfer.effectAllowed?t.dataTransfer.dropEffect="copy":["all","copyMove"].includes(t.dataTransfer.effectAllowed)&&(t.dataTransfer.dropEffect="move")),e.stop()},{priority:"low"})}_setupClipboardInputIntegration(){const e=this.editor,t=e.editing.view.document,n=e.plugins.get(nm);this.listenTo(t,"clipboardInput",(t,i)=>{if("drop"!=i.method)return;const{clientX:o,clientY:r}=i.domEvent,s=n.getFinalDropRange(i.target,i.targetRanges,o,r,this._blockMode,this._draggedRange);return s?(this._draggedRange&&this._draggingUid!=i.dataTransfer.getData("application/ckeditor5-dragging-uid")&&(this._draggedRange.detach(),this._draggedRange=null,this._draggingUid=""),"move"==um(i.dataTransfer)&&this._draggedRange&&this._draggedRange.containsRange(s,!0)?(this._finalizeDragging(!1),void t.stop()):void(i.targetRanges=[e.editing.mapper.toViewRange(s)])):(this._finalizeDragging(!1),void t.stop())},{priority:"high"})}_setupContentInsertionIntegration(){const e=this.editor.plugins.get(hp);e.on("contentInsertion",(e,t)=>{if(!this.isEnabled||"drop"!==t.method)return;const n=t.targetRanges.map(e=>this.editor.editing.mapper.toModelRange(e));this.editor.model.change(e=>e.setSelection(n))},{priority:"high"}),e.on("contentInsertion",(e,t)=>{if(!this.isEnabled||"drop"!==t.method)return;const n="move"==um(t.dataTransfer),i=!t.resultRange||!t.resultRange.isCollapsed;this._finalizeDragging(i&&n)},{priority:"lowest"})}_setupDraggableAttributeHandling(){const e=this.editor,t=e.editing.view,i=t.document;this.listenTo(i,"mousedown",(o,r)=>{if(n.isAndroid||!r)return;this._clearDraggableAttributesDelayed.cancel();let s=fm(r.target);if(n.isBlink&&!e.isReadOnly&&!s&&!i.selection.isCollapsed){const e=i.selection.getSelectedElement();e&&Tp(e)||(s=i.selection.editableElement)}s&&(t.change(e=>{e.setAttribute("draggable","true",s)}),this._draggableElement=e.editing.mapper.toModelElement(s))}),this.listenTo(i,"mouseup",()=>{n.isAndroid||this._clearDraggableAttributesDelayed()})}_clearDraggableAttributes(){const e=this.editor.editing;e.view.change(t=>{this._draggableElement&&"$graveyard"!=this._draggableElement.root.rootName&&t.removeAttribute("draggable",e.mapper.toViewElement(this._draggableElement)),this._draggableElement=null})}_finalizeDragging(e){const t=this.editor,n=t.model;t.plugins.get(nm).removeDropMarker(),this._clearDraggableAttributes(),t.plugins.has("WidgetToolbarRepository")&&t.plugins.get("WidgetToolbarRepository").clearForceDisabled("dragDrop"),this._draggingUid="",this._previewContainer&&(this._previewContainer.remove(),this._previewContainer=void 0),this._draggedRange&&(e&&this.isEnabled&&n.change(e=>{const t=n.createSelection(this._draggedRange);n.deleteContent(t,{doNotAutoparagraph:!0});const i=t.getFirstPosition().parent;i.isEmpty&&!n.schema.checkChild(i,"$text")&&n.schema.checkChild(i,"paragraph")&&e.insertElement("paragraph",i,0)}),this._draggedRange.detach(),this._draggedRange=null)}_prepareDraggedRange(e){const t=this.editor,n=t.model,i=n.document.selection,o=e?fm(e):null;if(o){const e=t.editing.mapper.toModelElement(o);return this._draggedRange=Ha.fromRange(n.createRangeOn(e)),this._blockMode=n.schema.isBlock(e),void(t.plugins.has("WidgetToolbarRepository")&&t.plugins.get("WidgetToolbarRepository").forceDisabled("dragDrop"))}if(i.isCollapsed&&!i.getFirstPosition().parent.isEmpty)return;const r=Array.from(i.getSelectedBlocks()),s=i.getFirstRange();if(0==r.length)return void(this._draggedRange=Ha.fromRange(s));const a=gm(n,r);if(r.length>1)this._draggedRange=Ha.fromRange(a),this._blockMode=!0;else if(1==r.length){const e=s.start.isTouching(a.start)&&s.end.isTouching(a.end);this._draggedRange=Ha.fromRange(e?a:s),this._blockMode=e}n.change(e=>e.setSelection(this._draggedRange.toRange()))}_updatePreview({dataTransfer:e,domTarget:t,clientX:i}){const o=this.editor.editing.view,r=o.document.selection.editableElement,s=o.domConverter.mapViewToDom(r),a=Fn.window.getComputedStyle(s);this._previewContainer?this._previewContainer.firstElementChild&&this._previewContainer.removeChild(this._previewContainer.firstElementChild):(this._previewContainer=le(Fn.document,"div",{style:"position: fixed; left: -999999px;"}),Fn.document.body.appendChild(this._previewContainer));const c=new Wn(s);if(s.contains(t))return;const l=parseFloat(a.paddingLeft),d=le(Fn.document,"div");d.className="ck ck-content",d.style.width=a.width,d.style.paddingLeft=`${c.left-i+l}px`,n.isiOS&&(d.style.backgroundColor="white"),d.innerHTML=e.getData("text/html"),e.setDragImage(d,0,0),this._previewContainer.appendChild(d)}}function um(e){return n.isGecko?e.dropEffect:["all","copyMove"].includes(e.effectAllowed)?"move":"copy"}function fm(e){if(e.is("editableElement"))return null;if(e.hasClass("ck-widget__selection-handle"))return e.findAncestor(Tp);if(Tp(e))return e;const t=e.findAncestor(e=>Tp(e)||e.is("editableElement"));return Tp(t)?t:null}function gm(e,t){const n=t[0],i=t[t.length-1],o=n.getCommonAncestor(i),r=e.createPositionBefore(n),s=e.createPositionAfter(i);if(o&&o.is("element")&&!e.schema.isLimit(o)){const t=e.createRangeOn(o),n=r.isTouching(t.start),i=s.isTouching(t.end);if(n&&i)return gm(e,[o])}return e.createRange(r,s)}class pm extends eo{static get pluginName(){return"PastePlainText"}static get requires(){return[hp]}init(){const e=this.editor,t=e.model,n=e.editing.view,i=n.document,o=t.document.selection;let r=!1;n.addObserver(Qg),this.listenTo(i,"keydown",(e,t)=>{r=t.shiftKey}),e.plugins.get(hp).on("contentInsertion",(e,n)=>{(r||function(e,t){if(e.childCount>1)return!1;const n=e.getChild(0);return!t.isObject(n)&&0==Array.from(n.getAttributeKeys()).length}(n.content,t.schema))&&t.change(e=>{const i=Array.from(o.getAttributes()).filter(([e])=>t.schema.getAttributeProperties(e).isFormatting);o.isCollapsed||t.deleteContent(o,{doNotAutoparagraph:!0}),i.push(...o.getAttributes());const r=e.createRangeIn(n.content);for(const t of r.getItems())t.is("$textProxy")&&e.setAttributes(i,t)})})}}class mm extends eo{static get pluginName(){return"Clipboard"}static get requires(){return[dp,hp,hm,pm]}init(){const e=this.editor,t=this.editor.t;e.accessibility.addKeystrokeInfos({keystrokes:[{label:t("Copy selected content"),keystroke:"CTRL+C"},{label:t("Paste content"),keystroke:"CTRL+V"},{label:t("Paste content as plain text"),keystroke:"CTRL+SHIFT+V"}]})}}class bm extends no{constructor(e){super(e),this.affectsData=!1}execute(){const e=this.editor.model,t=e.document.selection;let n=e.schema.getLimitElement(t);if(t.containsEntireContent(n)||!km(e.schema,n))do{if(n=n.parent,!n)return}while(!km(e.schema,n));e.change(e=>{e.setSelection(n,"in")})}}function km(e,t){return e.isLimit(t)&&(e.checkChild(t,"$text")||e.checkChild(t,"paragraph"))}const wm=Ai("Ctrl+A");class _m extends eo{static get pluginName(){return"SelectAllEditing"}init(){const e=this.editor,t=e.t,n=e.editing.view.document;e.commands.add("selectAll",new bm(e)),this.listenTo(n,"keydown",(t,n)=>{xi(n)===wm&&(e.execute("selectAll"),n.preventDefault())}),e.accessibility.addKeystrokeInfos({keystrokes:[{label:t("Select all"),keystroke:"CTRL+A"}]})}}class vm extends eo{static get pluginName(){return"SelectAllUI"}init(){const e=this.editor;e.ui.componentFactory.add("selectAll",t=>{const n=e.commands.get("selectAll"),i=new Wh(t),o=t.t;return i.set({label:o("Select all"),icon:'<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20"><path d="M.75 15.5a.75.75 0 0 1 .75.75V18l.008.09A.5.5 0 0 0 2 18.5h1.75a.75.75 0 1 1 0 1.5H1.5l-.144-.007a1.5 1.5 0 0 1-1.35-1.349L0 18.5v-2.25a.75.75 0 0 1 .75-.75zm18.5 0a.75.75 0 0 1 .75.75v2.25l-.007.144a1.5 1.5 0 0 1-1.349 1.35L18.5 20h-2.25a.75.75 0 1 1 0-1.5H18a.5.5 0 0 0 .492-.41L18.5 18v-1.75a.75.75 0 0 1 .75-.75zm-10.45 3c.11 0 .2.09.2.2v1.1a.2.2 0 0 1-.2.2H7.2a.2.2 0 0 1-.2-.2v-1.1c0-.11.09-.2.2-.2h1.6zm4 0c.11 0 .2.09.2.2v1.1a.2.2 0 0 1-.2.2h-1.6a.2.2 0 0 1-.2-.2v-1.1c0-.11.09-.2.2-.2h1.6zm.45-5.5a.75.75 0 1 1 0 1.5h-8.5a.75.75 0 1 1 0-1.5h8.5zM1.3 11c.11 0 .2.09.2.2v1.6a.2.2 0 0 1-.2.2H.2a.2.2 0 0 1-.2-.2v-1.6c0-.11.09-.2.2-.2h1.1zm18.5 0c.11 0 .2.09.2.2v1.6a.2.2 0 0 1-.2.2h-1.1a.2.2 0 0 1-.2-.2v-1.6c0-.11.09-.2.2-.2h1.1zm-4.55-2a.75.75 0 1 1 0 1.5H4.75a.75.75 0 1 1 0-1.5h10.5zM1.3 7c.11 0 .2.09.2.2v1.6a.2.2 0 0 1-.2.2H.2a.2.2 0 0 1-.2-.2V7.2c0-.11.09-.2.2-.2h1.1zm18.5 0c.11 0 .2.09.2.2v1.6a.2.2 0 0 1-.2.2h-1.1a.2.2 0 0 1-.2-.2V7.2c0-.11.09-.2.2-.2h1.1zm-4.55-2a.75.75 0 1 1 0 1.5h-2.5a.75.75 0 1 1 0-1.5h2.5zm-5 0a.75.75 0 1 1 0 1.5h-5.5a.75.75 0 0 1 0-1.5h5.5zm-6.5-5a.75.75 0 0 1 0 1.5H2a.5.5 0 0 0-.492.41L1.5 2v1.75a.75.75 0 0 1-1.5 0V1.5l.007-.144A1.5 1.5 0 0 1 1.356.006L1.5 0h2.25zM18.5 0l.144.007a1.5 1.5 0 0 1 1.35 1.349L20 1.5v2.25a.75.75 0 1 1-1.5 0V2l-.008-.09A.5.5 0 0 0 18 1.5h-1.75a.75.75 0 1 1 0-1.5h2.25zM8.8 0c.11 0 .2.09.2.2v1.1a.2.2 0 0 1-.2.2H7.2a.2.2 0 0 1-.2-.2V.2c0-.11.09-.2.2-.2h1.6zm4 0c.11 0 .2.09.2.2v1.1a.2.2 0 0 1-.2.2h-1.6a.2.2 0 0 1-.2-.2V.2c0-.11.09-.2.2-.2h1.6z"/></svg>',keystroke:"Ctrl+A",tooltip:!0}),i.bind("isEnabled").to(n,"isEnabled"),this.listenTo(i,"execute",()=>{e.execute("selectAll"),e.editing.view.focus()}),i})}}class ym extends eo{static get requires(){return[_m,vm]}static get pluginName(){return"SelectAll"}}class xm extends no{constructor(e){super(e),this._stack=[],this._createdBatches=new WeakSet,this.refresh(),this._isEnabledBasedOnSelection=!1,this.listenTo(e.data,"set",(e,t)=>{t[1]={...t[1]};const n=t[1];n.batchType||(n.batchType={isUndoable:!1})},{priority:"high"}),this.listenTo(e.data,"set",(e,t)=>{t[1].batchType.isUndoable||this.clearStack()})}refresh(){this.isEnabled=this._stack.length>0}get createdBatches(){return this._createdBatches}addBatch(e){const t=this.editor.model.document.selection,n={ranges:t.hasOwnRange?Array.from(t.getRanges()):[],isBackward:t.isBackward};this._stack.push({batch:e,selection:n}),this.refresh()}clearStack(){this._stack=[],this.refresh()}_restoreSelection(e,t,n){const i=this.editor.model,o=i.document,r=[],s=e.map(e=>e.getTransformedByOperations(n)),a=s.flat();for(const e of s){const t=e.filter(e=>e.root!=o.graveyard).filter(e=>!Cm(e,a));t.length&&(Am(t),r.push(t[0]))}r.length&&i.change(e=>{e.setSelection(r,{backward:t})})}_undo(e,t){const n=this.editor.model,i=n.document;this._createdBatches.add(t);const o=e.operations.slice().filter(e=>e.isDocumentOperation);o.reverse();for(const e of o){const o=e.baseVersion+1,r=Array.from(i.history.getOperations(o)),s=wl([e.getReversed()],r,{useRelations:!0,document:this.editor.model.document,padWithNoOps:!1,forceWeakRemove:!0}).operationsA;for(let o of s){const r=o.affectedSelectable;r&&!n.canEditAt(r)&&(o=new ll(o.baseVersion)),t.addOperation(o),n.applyOperation(o),i.history.setOperationAsUndone(e,o)}}}}function Am(e){e.sort((e,t)=>e.start.isBefore(t.start)?-1:1);for(let t=1;t<e.length;t++){const n=e[t-1].getJoined(e[t],!0);n&&(t--,e.splice(t,2,n))}}function Cm(e,t){return t.some(t=>t!==e&&t.containsRange(e,!0))}class Em extends xm{execute(e=null){const t=e?this._stack.findIndex(t=>t.batch==e):this._stack.length-1,n=this._stack.splice(t,1)[0],i=this.editor.model.createBatch({isUndo:!0});this.editor.model.enqueueChange(i,()=>{this._undo(n.batch,i);const e=this.editor.model.document.history.getOperations(n.batch.baseVersion);this._restoreSelection(n.selection.ranges,n.selection.isBackward,e)}),this.fire("revert",n.batch,i),this.refresh()}}class Tm extends xm{execute(){const e=this._stack.pop(),t=this.editor.model.createBatch({isUndo:!0});this.editor.model.enqueueChange(t,()=>{const n=e.batch.operations[e.batch.operations.length-1].baseVersion+1,i=this.editor.model.document.history.getOperations(n);this._restoreSelection(e.selection.ranges,e.selection.isBackward,i),this._undo(e.batch,t)}),this.refresh()}}class Pm extends eo{constructor(){super(...arguments),this._batchRegistry=new WeakSet}static get pluginName(){return"UndoEditing"}init(){const e=this.editor,t=e.t;this._undoCommand=new Em(e),this._redoCommand=new Tm(e),e.commands.add("undo",this._undoCommand),e.commands.add("redo",this._redoCommand),this.listenTo(e.model,"applyOperation",(e,t)=>{const n=t[0];if(!n.isDocumentOperation)return;const i=n.batch,o=this._redoCommand.createdBatches.has(i),r=this._undoCommand.createdBatches.has(i);this._batchRegistry.has(i)||(this._batchRegistry.add(i),i.isUndoable&&(o?this._undoCommand.addBatch(i):r||(this._undoCommand.addBatch(i),this._redoCommand.clearStack())))},{priority:"highest"}),this.listenTo(this._undoCommand,"revert",(e,t,n)=>{this._redoCommand.addBatch(n)}),e.keystrokes.set("CTRL+Z","undo"),e.keystrokes.set("CTRL+Y","redo"),e.keystrokes.set("CTRL+SHIFT+Z","redo"),e.accessibility.addKeystrokeInfos({keystrokes:[{label:t("Undo"),keystroke:"CTRL+Z"},{label:t("Redo"),keystroke:[["CTRL+Y"],["CTRL+SHIFT+Z"]]}]})}}class Sm extends eo{static get pluginName(){return"UndoUI"}init(){const e=this.editor,t=e.locale,n=e.t,i="ltr"==t.uiLanguageDirection?_d.undo:_d.redo,o="ltr"==t.uiLanguageDirection?_d.redo:_d.undo;this._addButton("undo",n("Undo"),"CTRL+Z",i),this._addButton("redo",n("Redo"),"CTRL+Y",o)}_addButton(e,t,n,i){const o=this.editor;o.ui.componentFactory.add(e,r=>{const s=o.commands.get(e),a=new Wh(r);return a.set({label:t,icon:i,keystroke:n,tooltip:!0}),a.bind("isEnabled").to(s,"isEnabled"),this.listenTo(a,"execute",()=>{o.execute(e),o.editing.view.focus()}),a})}}class Rm extends eo{static get requires(){return[Pm,Sm]}static get pluginName(){return"Undo"}}class Im extends no{constructor(e){super(e),this._isEnabledBasedOnSelection=!1}refresh(){const e=this.editor.model,t=Wi(e.document.selection.getSelectedBlocks());this.value=!!t&&t.is("element","paragraph"),this.isEnabled=!!t&&Om(t,e.schema)}execute(e={}){const t=this.editor.model,n=t.document,i=e.selection||n.selection;t.canEditAt(i)&&t.change(e=>{const n=i.getSelectedBlocks();for(const i of n)!i.is("element","paragraph")&&Om(i,t.schema)&&e.rename(i,"paragraph")})}}function Om(e,t){return t.checkChild(e.parent,"paragraph")&&!t.isObject(e)}class Mm extends no{constructor(e){super(e),this._isEnabledBasedOnSelection=!1}execute(e){const t=this.editor.model,n=e.attributes;let i=e.position;t.canEditAt(i)&&t.change(e=>{if(i=this._findPositionToInsertParagraph(i,e),!i)return;const o=e.createElement("paragraph");n&&t.schema.setAllowedAttributes(o,n,e),t.insertContent(o,i),e.setSelection(o,"in")})}_findPositionToInsertParagraph(e,t){const n=this.editor.model;if(n.schema.checkChild(e,"paragraph"))return e;const i=n.schema.findAllowedParent(e,"paragraph");if(!i)return null;const o=e.parent,r=n.schema.checkChild(o,"$text");return o.isEmpty||r&&e.isAtEnd?n.createPositionAfter(o):!o.isEmpty&&r&&e.isAtStart?n.createPositionBefore(o):t.split(e,i).position}}class Vm extends eo{static get pluginName(){return"Paragraph"}init(){const e=this.editor,t=e.model;e.commands.add("paragraph",new Im(e)),e.commands.add("insertParagraph",new Mm(e)),t.schema.register("paragraph",{inheritAllFrom:"$block"}),e.conversion.elementToElement({model:"paragraph",view:"p"}),e.conversion.for("upcast").elementToElement({model:(e,{writer:t})=>Vm.paragraphLikeElements.has(e.name)?e.isEmpty?null:t.createElement("paragraph"):null,view:/.+/,converterPriority:"low"})}}Vm.paragraphLikeElements=new Set(["blockquote","dd","div","dt","h1","h2","h3","h4","h5","h6","li","p","td","th"]);const Nm=Vm;class Dm extends no{constructor(e,t){super(e),this.modelElements=t}refresh(){const e=Wi(this.editor.model.document.selection.getSelectedBlocks());this.value=!!e&&this.modelElements.includes(e.name)&&e.name,this.isEnabled=!!e&&this.modelElements.some(t=>Bm(e,t,this.editor.model.schema))}execute(e){const t=this.editor.model,n=t.document,i=e.value;t.change(e=>{const o=Array.from(n.selection.getSelectedBlocks()).filter(e=>Bm(e,i,t.schema));for(const t of o)t.is("element",i)||e.rename(t,i)})}}function Bm(e,t,n){return n.checkChild(e.parent,t)&&!n.isObject(e)}const Lm="paragraph";class Fm extends eo{static get pluginName(){return"HeadingEditing"}constructor(e){super(e),e.config.define("heading",{options:[{model:"paragraph",title:"Paragraph",class:"ck-heading_paragraph"},{model:"heading1",view:"h2",title:"Heading 1",class:"ck-heading_heading1"},{model:"heading2",view:"h3",title:"Heading 2",class:"ck-heading_heading2"},{model:"heading3",view:"h4",title:"Heading 3",class:"ck-heading_heading3"}]})}static get requires(){return[Nm]}init(){const e=this.editor,t=e.config.get("heading.options"),n=[];for(const i of t)"paragraph"!==i.model&&(e.model.schema.register(i.model,{inheritAllFrom:"$block"}),e.conversion.elementToElement(i),n.push(i.model));this._addDefaultH1Conversion(e),e.commands.add("heading",new Dm(e,n))}afterInit(){const e=this.editor,t=e.commands.get("enter"),n=e.config.get("heading.options");t&&this.listenTo(t,"afterExecute",(t,i)=>{const o=e.model.document.selection.getFirstPosition().parent;n.some(e=>o.is("element",e.model))&&!o.is("element",Lm)&&0===o.childCount&&i.writer.rename(o,Lm)})}_addDefaultH1Conversion(e){e.conversion.for("upcast").elementToElement({model:"heading1",view:"h1",converterPriority:f.low+1})}}var zm=o(6186),$m={};$m.setAttributes=po(),$m.insert=fo().bind(null,"head"),$m.domAPI=ho(),$m.insertStyleElement=bo(),co()(zm.A,$m),zm.A&&zm.A.locals&&zm.A.locals;class Hm extends eo{static get pluginName(){return"HeadingUI"}init(){const e=this.editor,t=e.t,n=function(e){const t=e.t,n={Paragraph:t("Paragraph"),"Heading 1":t("Heading 1"),"Heading 2":t("Heading 2"),"Heading 3":t("Heading 3"),"Heading 4":t("Heading 4"),"Heading 5":t("Heading 5"),"Heading 6":t("Heading 6")};return e.config.get("heading.options").map(e=>{const t=n[e.title];return t&&t!=e.title&&(e.title=t),e})}(e),i=t("Choose heading"),o=t("Heading");e.ui.componentFactory.add("heading",t=>{const r={},s=new qi,a=e.commands.get("heading"),c=e.commands.get("paragraph"),l=[a];for(const e of n){const t={type:"button",model:new ng({label:e.title,class:e.class,role:"menuitemradio",withText:!0})};"paragraph"===e.model?(t.model.bind("isOn").to(c,"value"),t.model.set("commandName","paragraph"),l.push(c)):(t.model.bind("isOn").to(a,"value",t=>t===e.model),t.model.set({commandName:"heading",commandValue:e.model})),s.add(t),r[e.model]=e.title}const d=ju(t);return Uu(d,s,{ariaLabel:o,role:"menu"}),d.buttonView.set({ariaLabel:o,ariaLabelledBy:void 0,isOn:!1,withText:!0,tooltip:o}),d.extendTemplate({attributes:{class:["ck-heading-dropdown"]}}),d.bind("isEnabled").toMany(l,"isEnabled",(...e)=>e.some(e=>e)),d.buttonView.bind("label").to(a,"value",c,"value",(e,t)=>{const n=e||t&&"paragraph";return"boolean"==typeof n?i:r[n]?r[n]:i}),this.listenTo(d,"execute",t=>{const{commandName:n,commandValue:i}=t.source;e.execute(n,i?{value:i}:void 0),e.editing.view.focus()}),d})}}class jm extends no{constructor(e,t){super(e),this.attributeKey=t}refresh(){const e=this.editor.model,t=e.document;this.value=this._getValueFromFirstAllowedNode(),this.isEnabled=e.schema.checkAttributeInSelection(t.selection,this.attributeKey)}execute(e={}){const t=this.editor.model,n=t.document.selection,i=void 0===e.forceValue?!this.value:e.forceValue;t.change(e=>{if(n.isCollapsed)i?e.setSelectionAttribute(this.attributeKey,!0):e.removeSelectionAttribute(this.attributeKey);else{const o=t.schema.getValidRanges(n.getRanges(),this.attributeKey);for(const t of o)i?e.setAttribute(this.attributeKey,i,t):e.removeAttribute(this.attributeKey,t)}})}_getValueFromFirstAllowedNode(){const e=this.editor.model,t=e.schema,n=e.document.selection;if(n.isCollapsed)return n.hasAttribute(this.attributeKey);for(const e of n.getRanges())for(const n of e.getItems())if(t.checkAttribute(n,this.attributeKey))return n.hasAttribute(this.attributeKey);return!1}}const qm="bold";class Wm extends eo{static get pluginName(){return"BoldEditing"}init(){const e=this.editor,t=this.editor.t;e.model.schema.extend("$text",{allowAttributes:qm}),e.model.schema.setAttributeProperties(qm,{isFormatting:!0,copyOnEnter:!0}),e.conversion.attributeToElement({model:qm,view:"strong",upcastAlso:["b",e=>{const t=e.getStyle("font-weight");return t&&("bold"==t||Number(t)>=600)?{name:!0,styles:["font-weight"]}:null}]}),e.commands.add(qm,new jm(e,qm)),e.keystrokes.set("CTRL+B",qm),e.accessibility.addKeystrokeInfos({keystrokes:[{label:t("Bold text"),keystroke:"CTRL+B"}]})}}const Um="bold";class Zm extends eo{static get pluginName(){return"BoldUI"}init(){const e=this.editor,t=e.t;e.ui.componentFactory.add(Um,n=>{const i=e.commands.get(Um),o=new Wh(n);return o.set({label:t("Bold"),icon:_d.bold,keystroke:"CTRL+B",tooltip:!0,isToggleable:!0}),o.bind("isOn","isEnabled").to(i,"value","isEnabled"),this.listenTo(o,"execute",()=>{e.execute(Um),e.editing.view.focus()}),o})}}const Km="italic";class Gm extends eo{static get pluginName(){return"ItalicEditing"}init(){const e=this.editor,t=this.editor.t;e.model.schema.extend("$text",{allowAttributes:Km}),e.model.schema.setAttributeProperties(Km,{isFormatting:!0,copyOnEnter:!0}),e.conversion.attributeToElement({model:Km,view:"i",upcastAlso:["em",{styles:{"font-style":"italic"}}]}),e.commands.add(Km,new jm(e,Km)),e.keystrokes.set("CTRL+I",Km),e.accessibility.addKeystrokeInfos({keystrokes:[{label:t("Italic text"),keystroke:"CTRL+I"}]})}}const Jm="italic";class Qm extends eo{static get pluginName(){return"ItalicUI"}init(){const e=this.editor,t=e.t;e.ui.componentFactory.add(Jm,n=>{const i=e.commands.get(Jm),o=new Wh(n);return o.set({label:t("Italic"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="m9.586 14.633.021.004c-.036.335.095.655.393.962.082.083.173.15.274.201h1.474a.6.6 0 1 1 0 1.2H5.304a.6.6 0 0 1 0-1.2h1.15c.474-.07.809-.182 1.005-.334.157-.122.291-.32.404-.597l2.416-9.55a1.053 1.053 0 0 0-.281-.823 1.12 1.12 0 0 0-.442-.296H8.15a.6.6 0 0 1 0-1.2h6.443a.6.6 0 1 1 0 1.2h-1.195c-.376.056-.65.155-.823.296-.215.175-.423.439-.623.79l-2.366 9.347z"/></svg>',keystroke:"CTRL+I",tooltip:!0,isToggleable:!0}),o.bind("isOn","isEnabled").to(i,"value","isEnabled"),this.listenTo(o,"execute",()=>{e.execute(Jm),e.editing.view.focus()}),o})}}const Ym="code";class Xm extends eo{static get pluginName(){return"CodeEditing"}static get requires(){return[Ld]}init(){const e=this.editor,t=this.editor.t;e.model.schema.extend("$text",{allowAttributes:Ym}),e.model.schema.setAttributeProperties(Ym,{isFormatting:!0,copyOnEnter:!1}),e.conversion.attributeToElement({model:Ym,view:"code",upcastAlso:{styles:{"word-wrap":"break-word"}}}),e.commands.add(Ym,new jm(e,Ym)),e.plugins.get(Ld).registerAttribute(Ym),Jd(e,Ym,"code","ck-code_selected"),e.accessibility.addKeystrokeInfos({keystrokes:[{label:t("Move out of an inline code style"),keystroke:[["arrowleft","arrowleft"],["arrowright","arrowright"]]}]})}}var eb=o(9248),tb={};tb.setAttributes=po(),tb.insert=fo().bind(null,"head"),tb.domAPI=ho(),tb.insertStyleElement=bo(),co()(eb.A,tb),eb.A&&eb.A.locals&&eb.A.locals;const nb="code";class ib extends eo{static get pluginName(){return"CodeUI"}init(){const e=this.editor,t=e.t;e.ui.componentFactory.add(nb,n=>{const i=e.commands.get(nb),o=new Wh(n);return o.set({label:t("Code"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="m12.5 5.7 5.2 3.9v1.3l-5.6 4c-.1.2-.3.2-.5.2-.3-.1-.6-.7-.6-1l.3-.4 4.7-3.5L11.5 7l-.2-.2c-.1-.3-.1-.6 0-.8.2-.2.5-.4.8-.4a.8.8 0 0 1 .4.1zm-5.2 0L2 9.6v1.3l5.6 4c.1.2.3.2.5.2.3-.1.7-.7.6-1 0-.1 0-.3-.2-.4l-5-3.5L8.2 7l.2-.2c.1-.3.1-.6 0-.8-.2-.2-.5-.4-.8-.4a.8.8 0 0 0-.3.1z"/></svg>',tooltip:!0,isToggleable:!0}),o.bind("isOn","isEnabled").to(i,"value","isEnabled"),this.listenTo(o,"execute",()=>{e.execute(nb),e.editing.view.focus()}),o})}}function ob(e){const t=e.t,n=e.config.get("codeBlock.languages");for(const e of n)"Plain text"===e.label&&(e.label=t("Plain text")),void 0===e.class&&(e.class=`language-${e.language}`);return n}function rb(e,t,n){const i={};for(const o of e)"class"===t?i[o[t].split(" ").shift()]=o[n]:i[o[t]]=o[n];return i}function sb(e){return e.data.match(/^(\s*)/)[0]}function ab(e){const t=e.document.selection,n=[];if(t.isCollapsed)return[t.anchor];const i=t.getFirstRange().getWalker({ignoreElementEnd:!0,direction:"backward"});for(const{item:t}of i){if(!t.is("$textProxy"))continue;const{parent:i,startOffset:o}=t.textNode;if(!i.is("element","codeBlock"))continue;const r=sb(t.textNode),s=e.createPositionAt(i,o+r.length);n.push(s)}return n}function cb(e){const t=Wi(e.getSelectedBlocks());return!!t&&t.is("element","codeBlock")}function lb(e,t){return!t.is("rootElement")&&!e.isLimit(t)&&e.checkChild(t.parent,"codeBlock")}class db extends no{constructor(e){super(e),this._lastLanguage=null}refresh(){this.value=this._getValue(),this.isEnabled=this._checkEnabled()}execute(e={}){const t=this.editor,n=t.model,i=n.document.selection,o=ob(t)[0],r=Array.from(i.getSelectedBlocks()),s=null==e.forceValue?!this.value:e.forceValue,a=function(e,t,n){return e.language?e.language:e.usePreviousLanguageChoice&&t?t:n}(e,this._lastLanguage,o.language);n.change(e=>{s?this._applyCodeBlock(e,r,a):this._removeCodeBlock(e,r)})}_getValue(){const e=Wi(this.editor.model.document.selection.getSelectedBlocks());return!(!e||!e.is("element","codeBlock"))&&e.getAttribute("language")}_checkEnabled(){if(this.value)return!0;const e=this.editor.model.document.selection,t=this.editor.model.schema,n=Wi(e.getSelectedBlocks());return!!n&&lb(t,n)}_applyCodeBlock(e,t,n){this._lastLanguage=n;const i=this.editor.model.schema,o=t.filter(e=>lb(i,e));for(const t of o)e.rename(t,"codeBlock"),e.setAttribute("language",n,t),i.removeDisallowedAttributes([t],e),Array.from(t.getChildren()).filter(e=>!i.checkChild(t,e)).forEach(t=>e.remove(t));o.reverse().forEach((t,n)=>{const i=o[n+1];t.previousSibling===i&&(e.appendElement("softBreak",i),e.merge(e.createPositionBefore(t)))})}_removeCodeBlock(e,t){const n=t.filter(e=>e.is("element","codeBlock"));for(const t of n){const n=e.createRangeOn(t);for(const t of Array.from(n.getItems()).reverse())if(t.is("element","softBreak")&&t.parent.is("element","codeBlock")){const{position:n}=e.split(e.createPositionBefore(t)),i=n.nodeAfter;e.rename(i,"paragraph"),e.removeAttribute("language",i),e.remove(t)}e.rename(t,"paragraph"),e.removeAttribute("language",t)}}}class hb extends no{constructor(e){super(e),this._indentSequence=e.config.get("codeBlock.indentSequence")}refresh(){this.isEnabled=this._checkEnabled()}execute(){const e=this.editor.model;e.change(t=>{const n=ab(e);for(const i of n){const n=t.createText(this._indentSequence);e.insertContent(n,i)}})}_checkEnabled(){return!!this._indentSequence&&cb(this.editor.model.document.selection)}}class ub extends no{constructor(e){super(e),this._indentSequence=e.config.get("codeBlock.indentSequence")}refresh(){this.isEnabled=this._checkEnabled()}execute(){const e=this.editor.model;e.change(()=>{const t=ab(e);for(const n of t){const t=fb(e,n,this._indentSequence);t&&e.deleteContent(e.createSelection(t))}})}_checkEnabled(){if(!this._indentSequence)return!1;const e=this.editor.model;return!!cb(e.document.selection)&&ab(e).some(t=>fb(e,t,this._indentSequence))}}function fb(e,t,n){const i=function(e){let t=e.parent.getChild(e.index);return t&&!t.is("element","softBreak")||(t=e.nodeBefore),!t||t.is("element","softBreak")?null:t}(t);if(!i)return null;const o=sb(i),r=o.lastIndexOf(n);if(r+n.length!==o.length)return null;if(-1===r)return null;const{parent:s,startOffset:a}=i;return e.createRange(e.createPositionAt(s,a+r),e.createPositionAt(s,a+r+n.length))}function gb(e,t,n=!1){const i=rb(t,"language","class"),o=rb(t,"language","label");return(t,r,s)=>{const{writer:a,mapper:c,consumable:l}=s;if(!l.consume(r.item,"insert"))return;const d=r.item.getAttribute("language"),h=c.toViewPosition(e.createPositionBefore(r.item)),u={};n&&(u["data-language"]=o[d],u.spellcheck="false");const f=i[d]?{class:i[d]}:void 0,g=a.createContainerElement("code",f),p=a.createContainerElement("pre",u,g);a.insert(h,p),c.bindElements(r.item,g)}}const pb="paragraph";class mb extends eo{static get pluginName(){return"CodeBlockEditing"}static get requires(){return[vp]}constructor(e){super(e),e.config.define("codeBlock",{languages:[{language:"plaintext",label:"Plain text"},{language:"c",label:"C"},{language:"cs",label:"C#"},{language:"cpp",label:"C++"},{language:"css",label:"CSS"},{language:"diff",label:"Diff"},{language:"html",label:"HTML"},{language:"java",label:"Java"},{language:"javascript",label:"JavaScript"},{language:"php",label:"PHP"},{language:"python",label:"Python"},{language:"ruby",label:"Ruby"},{language:"typescript",label:"TypeScript"},{language:"xml",label:"XML"}],indentSequence:"\t"})}init(){const e=this.editor,t=e.model.schema,n=e.model,i=e.editing.view,o=e.plugins.has("ListEditing")?e.plugins.get("ListEditing"):null,r=ob(e);e.commands.add("codeBlock",new db(e)),e.commands.add("indentCodeBlock",new hb(e)),e.commands.add("outdentCodeBlock",new ub(e)),this.listenTo(i.document,"tab",(t,n)=>{const i=n.shiftKey?"outdentCodeBlock":"indentCodeBlock";e.commands.get(i).isEnabled&&(e.execute(i),n.stopPropagation(),n.preventDefault(),t.stop())},{context:"pre"}),t.register("codeBlock",{allowWhere:"$block",allowChildren:"$text",isBlock:!0,allowAttributes:["language"]}),t.addAttributeCheck((e,t)=>!!(e.endsWith("codeBlock")&&o&&o.getListAttributeNames().includes(t))||!e.endsWith("codeBlock $text")&&void 0),e.model.schema.addChildCheck((e,t)=>{if(e.endsWith("codeBlock")&&t.isObject)return!1}),e.editing.downcastDispatcher.on("insert:codeBlock",gb(n,r,!0)),e.data.downcastDispatcher.on("insert:codeBlock",gb(n,r)),e.data.downcastDispatcher.on("insert:softBreak",function(e){return(t,n,i)=>{if("codeBlock"!==n.item.parent.name)return;const{writer:o,mapper:r,consumable:s}=i;if(!s.consume(n.item,"insert"))return;const a=r.toViewPosition(e.createPositionBefore(n.item));o.insert(a,o.createText("\n"))}}(n),{priority:"high"}),e.data.upcastDispatcher.on("element:code",function(e,t){const n=rb(t,"class","language"),i=t[0].language;return(e,t,o)=>{const r=t.viewItem,s=r.parent;if(!s||!s.is("element","pre"))return;if(t.modelCursor.findAncestor("codeBlock"))return;const{consumable:a,writer:c}=o;if(!a.test(r,{name:!0}))return;const l=c.createElement("codeBlock"),d=[...r.getClassNames()];d.length||d.push("");for(const e of d){const t=n[e];if(t){c.setAttribute("language",t,l);break}}l.hasAttribute("language")||c.setAttribute("language",i,l),o.convertChildren(r,l),o.safeInsert(l,t.modelCursor)&&(a.consume(r,{name:!0}),o.updateConversionResult(l,t))}}(0,r)),e.data.upcastDispatcher.on("text",(e,t,{consumable:n,writer:i})=>{let o=t.modelCursor;if(!n.test(t.viewItem))return;if(!o.findAncestor("codeBlock"))return;n.consume(t.viewItem);const r=t.viewItem.data.split("\n").map(e=>i.createText(e)),s=r[r.length-1];for(const e of r)if(i.insert(e,o),o=o.getShiftedBy(e.offsetSize),e!==s){const e=i.createElement("softBreak");i.insert(e,o),o=i.createPositionAfter(e)}t.modelRange=i.createRange(t.modelCursor,o),t.modelCursor=o}),e.data.upcastDispatcher.on("element:pre",(e,t,{consumable:n})=>{const i=t.viewItem;if(i.findAncestor("pre"))return;const o=Array.from(i.getChildren()),r=o.find(e=>e.is("element","code"));if(r)for(const e of o)e!==r&&e.is("$text")&&n.consume(e,{name:!0})},{priority:"high"}),this.listenTo(e.editing.view.document,"clipboardInput",(t,i)=>{let o=n.createRange(n.document.selection.anchor);if(i.targetRanges&&(o=e.editing.mapper.toModelRange(i.targetRanges[0])),!o.start.parent.is("element","codeBlock"))return;const r=i.dataTransfer.getData("text/plain"),s=new hd(e.editing.view.document);i.content=function(e,t){const n=e.createDocumentFragment(),i=t.split("\n"),o=i.reduce((t,n,o)=>(t.push(n),o<i.length-1&&t.push(e.createElement("br")),t),[]);return e.appendChild(o,n),n}(s,r)}),this.listenTo(n,"getSelectedContent",(e,[i])=>{const o=i.anchor;!i.isCollapsed&&o.parent.is("element","codeBlock")&&o.hasSameParentAs(i.focus)&&n.change(n=>{const r=e.return;if(o.parent.is("element")&&(r.childCount>1||i.containsEntireContent(o.parent))){const t=n.createElement("codeBlock",o.parent.getAttributes());n.append(r,t);const i=n.createDocumentFragment();return n.append(t,i),void(e.return=i)}const s=r.getChild(0);t.checkAttribute(s,"code")&&n.setAttribute("code",!0,s)})})}afterInit(){const e=this.editor,t=e.commands,n=t.get("indent"),i=t.get("outdent");n&&n.registerChildCommand(t.get("indentCodeBlock"),{priority:"highest"}),i&&i.registerChildCommand(t.get("outdentCodeBlock")),this.listenTo(e.editing.view.document,"enter",(t,n)=>{e.model.document.selection.getLastPosition().parent.is("element","codeBlock")&&(function(e,t){const n=e.model.document,i=e.editing.view,o=n.selection.getLastPosition(),r=o.nodeAfter;return!(t||!n.selection.isCollapsed||!o.isAtStart)&&(!!kb(r)&&(e.model.change(t=>{e.execute("enter");const i=n.selection.anchor.parent.previousSibling;t.rename(i,pb),t.setSelection(i,"in"),e.model.schema.removeDisallowedAttributes([i],t),t.remove(r)}),i.scrollToTheSelection(),!0))}(e,n.isSoft)||function(e,t){const n=e.model,i=n.document,o=e.editing.view,r=i.selection.getLastPosition(),s=r.nodeBefore;let a;if(t||!i.selection.isCollapsed||!r.isAtEnd||!s||!s.previousSibling)return!1;if(kb(s)&&kb(s.previousSibling))a=n.createRange(n.createPositionBefore(s.previousSibling),n.createPositionAfter(s));else if(bb(s)&&kb(s.previousSibling)&&kb(s.previousSibling.previousSibling))a=n.createRange(n.createPositionBefore(s.previousSibling.previousSibling),n.createPositionAfter(s));else{if(!(bb(s)&&kb(s.previousSibling)&&bb(s.previousSibling.previousSibling)&&s.previousSibling.previousSibling&&kb(s.previousSibling.previousSibling.previousSibling)))return!1;a=n.createRange(n.createPositionBefore(s.previousSibling.previousSibling.previousSibling),n.createPositionAfter(s))}return e.model.change(t=>{t.remove(a),e.execute("enter");const n=i.selection.anchor.parent;t.rename(n,pb),e.model.schema.removeDisallowedAttributes([n],t)}),o.scrollToTheSelection(),!0}(e,n.isSoft)||function(e){const t=e.model.document,n=t.selection.getLastPosition(),i=n.nodeBefore||n.textNode;let o;i&&i.is("$text")&&(o=sb(i)),e.model.change(n=>{e.execute("shiftEnter"),o&&n.insertText(o,t.selection.anchor)})}(e),n.preventDefault(),t.stop())},{context:"pre"})}}function bb(e){return e&&e.is("$text")&&!e.data.match(/\S/)}function kb(e){return e&&e.is("element","softBreak")}var wb=o(2291),_b={};_b.setAttributes=po(),_b.insert=fo().bind(null,"head"),_b.domAPI=ho(),_b.insertStyleElement=bo(),co()(wb.A,_b),wb.A&&wb.A.locals&&wb.A.locals;class vb extends eo{static get pluginName(){return"CodeBlockUI"}init(){const e=this.editor,t=e.t,n=e.ui.componentFactory,i=ob(e);n.add("codeBlock",n=>{const o=e.commands.get("codeBlock"),r=ju(n,Lu),s=r.buttonView,a=t("Insert code block");return s.set({label:a,tooltip:!0,icon:_d.codeBlock,isToggleable:!0}),s.bind("isOn").to(o,"value",e=>!!e),s.on("execute",()=>{e.execute("codeBlock",{usePreviousLanguageChoice:!0}),e.editing.view.focus()}),r.on("execute",t=>{e.execute("codeBlock",{language:t.source._codeBlockLanguage,forceValue:!0}),e.editing.view.focus()}),r.class="ck-code-block-dropdown",r.bind("isEnabled").to(o),Uu(r,()=>this._getLanguageListItemDefinitions(i),{role:"menu",ariaLabel:a}),r})}_getLanguageListItemDefinitions(e){const t=this.editor.commands.get("codeBlock"),n=new qi;for(const i of e){const e={type:"button",model:new ng({_codeBlockLanguage:i.language,label:i.label,role:"menuitemradio",withText:!0})};e.model.bind("isOn").to(t,"value",t=>t===e.model._codeBlockLanguage),n.add(e)}return n}}class yb{constructor(){this._definitions=new Set}get length(){return this._definitions.size}add(e){Array.isArray(e)?e.forEach(e=>this._definitions.add(e)):this._definitions.add(e)}getDispatcher(){return e=>{e.on("attribute:linkHref",(e,t,n)=>{if(!n.consumable.test(t.item,"attribute:linkHref"))return;if(!t.item.is("selection")&&!n.schema.isInline(t.item))return;const i=n.writer,o=i.document.selection;for(const e of this._definitions){const r=i.createAttributeElement("a",e.attributes,{priority:5});e.classes&&i.addClass(e.classes,r);for(const t in e.styles)i.setStyle(t,e.styles[t],r);i.setCustomProperty("link",!0,r),e.callback(t.attributeNewValue)?t.item.is("selection")?i.wrap(o.getFirstRange(),r):i.wrap(n.mapper.toViewRange(t.range),r):i.unwrap(n.mapper.toViewRange(t.range),r)}},{priority:"high"})}}getDispatcherForLinkedImage(){return e=>{e.on("attribute:linkHref:imageBlock",(e,t,{writer:n,mapper:i})=>{const o=i.toViewElement(t.item),r=Array.from(o.getChildren()).find(e=>e.is("element","a"));for(const e of this._definitions){const i=Ki(e.attributes);if(e.callback(t.attributeNewValue)){for(const[e,t]of i)"class"===e?n.addClass(t,r):n.setAttribute(e,t,r);e.classes&&n.addClass(e.classes,r);for(const t in e.styles)n.setStyle(t,e.styles[t],r)}else{for(const[e,t]of i)"class"===e?n.removeClass(t,r):n.removeAttribute(e,r);e.classes&&n.removeClass(e.classes,r);for(const t in e.styles)n.removeStyle(t,r)}}})}}}var xb=RegExp("[\\u200d\\ud800-\\udfff\\u0300-\\u036f\\ufe20-\\ufe2f\\u20d0-\\u20ff\\ufe0e\\ufe0f]");const Ab=function(e){return xb.test(e)};var Cb="\\ud800-\\udfff",Eb="["+Cb+"]",Tb="[\\u0300-\\u036f\\ufe20-\\ufe2f\\u20d0-\\u20ff]",Pb="\\ud83c[\\udffb-\\udfff]",Sb="[^"+Cb+"]",Rb="(?:\\ud83c[\\udde6-\\uddff]){2}",Ib="[\\ud800-\\udbff][\\udc00-\\udfff]",Ob="(?:"+Tb+"|"+Pb+")?",Mb="[\\ufe0e\\ufe0f]?",Vb=Mb+Ob+"(?:\\u200d(?:"+[Sb,Rb,Ib].join("|")+")"+Mb+Ob+")*",Nb="(?:"+[Sb+Tb+"?",Tb,Rb,Ib,Eb].join("|")+")",Db=RegExp(Pb+"(?="+Pb+")|"+Nb+Vb,"g");const Bb=function(e){return Ab(e)?function(e){return e.match(Db)||[]}(e):function(e){return e.split("")}(e)},Lb=function(e){e=Ko(e);var t,n,i,o,r=Ab(e)?Bb(e):void 0,s=r?r[0]:e.charAt(0),a=r?(t=r,n=1,o=t.length,i=void 0===i?o:i,!n&&i>=o?t:Yo(t,n,i)).join(""):e.slice(1);return s.toUpperCase()+a},Fb=/[\u0000-\u0020\u00A0\u1680\u180E\u2000-\u2029\u205f\u3000]/g,zb=/^[\S]+@((?![-_])(?:[-\w\u00a1-\uffff]{0,63}[^-_]\.))+(?:[a-z\u00a1-\uffff]{2,})$/i,$b=/^((\w+:(\/{2,})?)|(\W))/i,Hb=["https?","ftps?","mailto"],jb="Ctrl+K";function qb(e,{writer:t}){const n=t.createAttributeElement("a",{href:e},{priority:5});return t.setCustomProperty("link",!0,n),n}function Wb(e,t=Hb){const n=String(e),i=t.join("|");return function(e,t){return!!e.replace(Fb,"").match(t)}(n,new RegExp(`${"^(?:(?:<protocols>):|[^a-z]|[a-z+.-]+(?:[^a-z+.:-]|$))".replace("<protocols>",i)}`,"i"))?n:"#"}function Ub(e,t){return!!e&&t.checkAttribute(e.name,"linkHref")}function Zb(e,t){const n=(i=e,zb.test(i)?"mailto:":t);var i;const o=!!n&&!Kb(e);return e&&o?n+e:e}function Kb(e){return $b.test(e)}function Gb(e){window.open(e,"_blank","noopener")}class Jb extends no{constructor(){super(...arguments),this.manualDecorators=new qi,this.automaticDecorators=new yb}restoreManualDecoratorStates(){for(const e of this.manualDecorators)e.value=this._getDecoratorStateFromModel(e.id)}refresh(){const e=this.editor.model,t=e.document.selection,n=t.getSelectedElement()||Wi(t.getSelectedBlocks());Ub(n,e.schema)?(this.value=n.getAttribute("linkHref"),this.isEnabled=e.schema.checkAttribute(n,"linkHref")):(this.value=t.getAttribute("linkHref"),this.isEnabled=e.schema.checkAttributeInSelection(t,"linkHref"));for(const e of this.manualDecorators)e.value=this._getDecoratorStateFromModel(e.id)}execute(e,t={}){const n=this.editor.model,i=n.document.selection,o=[],r=[];for(const e in t)t[e]?o.push(e):r.push(e);n.change(t=>{if(i.isCollapsed){const s=i.getFirstPosition();if(i.hasAttribute("linkHref")){const a=Qb(i);let c=Kd(s,"linkHref",i.getAttribute("linkHref"),n);i.getAttribute("linkHref")===a&&(c=this._updateLinkContent(n,t,c,e)),t.setAttribute("linkHref",e,c),o.forEach(e=>{t.setAttribute(e,!0,c)}),r.forEach(e=>{t.removeAttribute(e,c)}),t.setSelection(t.createPositionAfter(c.end.nodeBefore))}else if(""!==e){const r=Ki(i.getAttributes());r.set("linkHref",e),o.forEach(e=>{r.set(e,!0)});const{end:a}=n.insertContent(t.createText(e,r),s);t.setSelection(a)}["linkHref",...o,...r].forEach(e=>{t.removeSelectionAttribute(e)})}else{const s=n.schema.getValidRanges(i.getRanges(),"linkHref"),a=[];for(const e of i.getSelectedBlocks())n.schema.checkAttribute(e,"linkHref")&&a.push(t.createRangeOn(e));const c=a.slice();for(const e of s)this._isRangeToUpdate(e,a)&&c.push(e);for(const s of c){let a=s;if(1===c.length){const o=Qb(i);i.getAttribute("linkHref")===o&&(a=this._updateLinkContent(n,t,s,e),t.setSelection(t.createSelection(a)))}t.setAttribute("linkHref",e,a),o.forEach(e=>{t.setAttribute(e,!0,a)}),r.forEach(e=>{t.removeAttribute(e,a)})}}})}_getDecoratorStateFromModel(e){const t=this.editor.model,n=t.document.selection,i=n.getSelectedElement();return Ub(i,t.schema)?i.getAttribute(e):n.getAttribute(e)}_isRangeToUpdate(e,t){for(const n of t)if(n.containsRange(e))return!1;return!0}_updateLinkContent(e,t,n,i){const o=t.createText(i,{linkHref:i});return e.insertContent(o,n)}}function Qb(e){if(e.isCollapsed){const t=e.getFirstPosition();return t.textNode&&t.textNode.data}{const t=Array.from(e.getFirstRange().getItems());if(t.length>1)return null;const n=t[0];return n.is("$text")||n.is("$textProxy")?n.data:null}}class Yb extends no{refresh(){const e=this.editor.model,t=e.document.selection,n=t.getSelectedElement();Ub(n,e.schema)?this.isEnabled=e.schema.checkAttribute(n,"linkHref"):this.isEnabled=e.schema.checkAttributeInSelection(t,"linkHref")}execute(){const e=this.editor,t=this.editor.model,n=t.document.selection,i=e.commands.get("link");t.change(e=>{const o=n.isCollapsed?[Kd(n.getFirstPosition(),"linkHref",n.getAttribute("linkHref"),t)]:t.schema.getValidRanges(n.getRanges(),"linkHref");for(const t of o)if(e.removeAttribute("linkHref",t),i)for(const n of i.manualDecorators)e.removeAttribute(n.id,t)})}}class Xb extends(F()){constructor({id:e,label:t,attributes:n,classes:i,styles:o,defaultValue:r}){super(),this.id=e,this.set("value",void 0),this.defaultValue=r,this.label=t,this.attributes=n,this.classes=i,this.styles=o}_createPattern(){return{attributes:this.attributes,classes:this.classes,styles:this.styles}}}var ek=o(7456),tk={};tk.setAttributes=po(),tk.insert=fo().bind(null,"head"),tk.domAPI=ho(),tk.insertStyleElement=bo(),co()(ek.A,tk),ek.A&&ek.A.locals&&ek.A.locals;const nk="automatic",ik=/^(https?:)?\/\//;class ok extends eo{static get pluginName(){return"LinkEditing"}static get requires(){return[Ld,Cd,hp]}constructor(e){super(e),e.config.define("link",{allowCreatingEmptyLinks:!1,addTargetToExternalLinks:!1})}init(){const e=this.editor,t=this.editor.config.get("link.allowedProtocols");e.model.schema.extend("$text",{allowAttributes:"linkHref"}),e.conversion.for("dataDowncast").attributeToElement({model:"linkHref",view:qb}),e.conversion.for("editingDowncast").attributeToElement({model:"linkHref",view:(e,n)=>qb(Wb(e,t),n)}),e.conversion.for("upcast").elementToAttribute({view:{name:"a",attributes:{href:!0}},model:{key:"linkHref",value:e=>e.getAttribute("href")}}),e.commands.add("link",new Jb(e)),e.commands.add("unlink",new Yb(e));const n=function(e,t){const n={"Open in a new tab":e("Open in a new tab"),Downloadable:e("Downloadable")};return t.forEach(e=>("label"in e&&n[e.label]&&(e.label=n[e.label]),e)),t}(e.t,function(e){const t=[];if(e)for(const[n,i]of Object.entries(e)){const e=Object.assign({},i,{id:`link${Lb(n)}`});t.push(e)}return t}(e.config.get("link.decorators")));this._enableAutomaticDecorators(n.filter(e=>e.mode===nk)),this._enableManualDecorators(n.filter(e=>"manual"===e.mode)),e.plugins.get(Ld).registerAttribute("linkHref"),Jd(e,"linkHref","a","ck-link_selected"),this._enableLinkOpen(),this._enableSelectionAttributesFixer(),this._enableClipboardIntegration()}_enableAutomaticDecorators(e){const t=this.editor,n=t.commands.get("link").automaticDecorators;t.config.get("link.addTargetToExternalLinks")&&n.add({id:"linkIsExternal",mode:nk,callback:e=>!!e&&ik.test(e),attributes:{target:"_blank",rel:"noopener noreferrer"}}),n.add(e),n.length&&t.conversion.for("downcast").add(n.getDispatcher())}_enableManualDecorators(e){if(!e.length)return;const t=this.editor,n=t.commands.get("link").manualDecorators;e.forEach(e=>{t.model.schema.extend("$text",{allowAttributes:e.id});const i=new Xb(e);n.add(i),t.conversion.for("downcast").attributeToElement({model:i.id,view:(e,{writer:t,schema:n},{item:o})=>{if((o.is("selection")||n.isInline(o))&&e){const e=t.createAttributeElement("a",i.attributes,{priority:5});i.classes&&t.addClass(i.classes,e);for(const n in i.styles)t.setStyle(n,i.styles[n],e);return t.setCustomProperty("link",!0,e),e}}}),t.conversion.for("upcast").elementToAttribute({view:{name:"a",...i._createPattern()},model:{key:i.id}})})}_enableLinkOpen(){const e=this.editor,t=e.editing.view.document;this.listenTo(t,"click",(e,t)=>{if(!(n.isMac?t.domEvent.metaKey:t.domEvent.ctrlKey))return;let i=t.domTarget;if("a"!=i.tagName.toLowerCase()&&(i=i.closest("a")),!i)return;const o=i.getAttribute("href");o&&(e.stop(),t.preventDefault(),Gb(o))},{context:"$capture"}),this.listenTo(t,"keydown",(t,n)=>{const i=e.commands.get("link").value;i&&n.keyCode===vi.enter&&n.altKey&&(t.stop(),Gb(i))})}_enableSelectionAttributesFixer(){const e=this.editor.model,t=e.document.selection;this.listenTo(t,"change:attribute",(n,{attributeKeys:i})=>{i.includes("linkHref")&&!t.hasAttribute("linkHref")&&e.change(t=>{var n;!function(e,t){e.removeSelectionAttribute("linkHref");for(const n of t)e.removeSelectionAttribute(n)}(t,(n=e.schema,n.getDefinition("$text").allowAttributes.filter(e=>e.startsWith("link"))))})})}_enableClipboardIntegration(){const e=this.editor,t=e.model,n=this.editor.config.get("link.defaultProtocol");n&&this.listenTo(e.plugins.get("ClipboardPipeline"),"contentInsertion",(e,i)=>{t.change(e=>{const t=e.createRangeIn(i.content);for(const i of t.getItems())if(i.hasAttribute("linkHref")){const t=Zb(i.getAttribute("linkHref"),n);e.setAttribute("linkHref",t,i)}})})}}var rk=o(871),sk={};sk.setAttributes=po(),sk.insert=fo().bind(null,"head"),sk.domAPI=ho(),sk.insertStyleElement=bo(),co()(rk.A,sk),rk.A&&rk.A.locals&&rk.A.locals;var ak=o(2350),ck={};ck.setAttributes=po(),ck.insert=fo().bind(null,"head"),ck.domAPI=ho(),ck.insertStyleElement=bo(),co()(ak.A,ck),ak.A&&ak.A.locals&&ak.A.locals;class lk extends Th{constructor(e,t){super(e),this.focusTracker=new Ui,this.keystrokes=new Zi,this._focusables=new nh;const n=e.t;this.urlInputView=this._createUrlInput(),this.saveButtonView=this._createButton(n("Save"),_d.check,"ck-button-save"),this.saveButtonView.type="submit",this.cancelButtonView=this._createButton(n("Cancel"),_d.cancel,"ck-button-cancel","cancel"),this._manualDecoratorSwitches=this._createManualDecoratorSwitches(t),this.children=this._createFormChildren(t.manualDecorators),this._focusCycler=new mu({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}});const i=["ck","ck-link-form","ck-responsive-form"];t.manualDecorators.length&&i.push("ck-link-form_layout-vertical","ck-vertical-form"),this.setTemplate({tag:"form",attributes:{class:i,tabindex:"-1"},children:this.children})}getDecoratorSwitchesState(){return Array.from(this._manualDecoratorSwitches).reduce((e,t)=>(e[t.name]=t.isOn,e),{})}render(){super.render(),function({view:e}){e.listenTo(e.element,"submit",(t,n)=>{n.preventDefault(),e.fire("submit")},{useCapture:!0})}({view:this}),[this.urlInputView,...this._manualDecoratorSwitches,this.saveButtonView,this.cancelButtonView].forEach(e=>{this._focusables.add(e),this.focusTracker.add(e.element)}),this.keystrokes.listenTo(this.element)}destroy(){super.destroy(),this.focusTracker.destroy(),this.keystrokes.destroy()}focus(){this._focusCycler.focusFirst()}_createUrlInput(){const e=this.locale.t,t=new nu(this.locale,Ju);return t.label=e("Link URL"),t}_createButton(e,t,n,i){const o=new Wh(this.locale);return o.set({label:e,icon:t,tooltip:!0}),o.extendTemplate({attributes:{class:n}}),i&&o.delegate("execute").to(this,i),o}_createManualDecoratorSwitches(e){const t=this.createCollection();for(const n of e.manualDecorators){const i=new Kh(this.locale);i.set({name:n.id,label:n.label,withText:!0}),i.bind("isOn").toMany([n,e],"value",(e,t)=>void 0===t&&void 0===e?!!n.defaultValue:!!e),i.on("execute",()=>{n.set("value",!i.isOn)}),t.add(i)}return t}_createFormChildren(e){const t=this.createCollection();if(t.add(this.urlInputView),e.length){const e=new Th;e.setTemplate({tag:"ul",children:this._manualDecoratorSwitches.map(e=>({tag:"li",children:[e],attributes:{class:["ck","ck-list__item"]}})),attributes:{class:["ck","ck-reset","ck-list"]}}),t.add(e)}return t.add(this.saveButtonView),t.add(this.cancelButtonView),t}}var dk=o(8040),hk={};hk.setAttributes=po(),hk.insert=fo().bind(null,"head"),hk.domAPI=ho(),hk.insertStyleElement=bo(),co()(dk.A,hk),dk.A&&dk.A.locals&&dk.A.locals;class uk extends Th{constructor(e,t={}){super(e),this.focusTracker=new Ui,this.keystrokes=new Zi,this._focusables=new nh;const n=e.t;this.previewButtonView=this._createPreviewButton(),this.unlinkButtonView=this._createButton(n("Unlink"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="m11.077 15 .991-1.416a.75.75 0 1 1 1.229.86l-1.148 1.64a.748.748 0 0 1-.217.206 5.251 5.251 0 0 1-8.503-5.955.741.741 0 0 1 .12-.274l1.147-1.639a.75.75 0 1 1 1.228.86L4.933 10.7l.006.003a3.75 3.75 0 0 0 6.132 4.294l.006.004zm5.494-5.335a.748.748 0 0 1-.12.274l-1.147 1.639a.75.75 0 1 1-1.228-.86l.86-1.23a3.75 3.75 0 0 0-6.144-4.301l-.86 1.229a.75.75 0 0 1-1.229-.86l1.148-1.64a.748.748 0 0 1 .217-.206 5.251 5.251 0 0 1 8.503 5.955zm-4.563-2.532a.75.75 0 0 1 .184 1.045l-3.155 4.505a.75.75 0 1 1-1.229-.86l3.155-4.506a.75.75 0 0 1 1.045-.184zm4.919 10.562-1.414 1.414a.75.75 0 1 1-1.06-1.06l1.414-1.415-1.415-1.414a.75.75 0 0 1 1.061-1.06l1.414 1.414 1.414-1.415a.75.75 0 0 1 1.061 1.061l-1.414 1.414 1.414 1.415a.75.75 0 0 1-1.06 1.06l-1.415-1.414z"/></svg>',"unlink"),this.editButtonView=this._createButton(n("Edit link"),_d.pencil,"edit"),this.set("href",void 0),this._linkConfig=t,this._focusCycler=new mu({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}}),this.setTemplate({tag:"div",attributes:{class:["ck","ck-link-actions","ck-responsive-form"],tabindex:"-1"},children:[this.previewButtonView,this.editButtonView,this.unlinkButtonView]})}render(){super.render(),[this.previewButtonView,this.editButtonView,this.unlinkButtonView].forEach(e=>{this._focusables.add(e),this.focusTracker.add(e.element)}),this.keystrokes.listenTo(this.element)}destroy(){super.destroy(),this.focusTracker.destroy(),this.keystrokes.destroy()}focus(){this._focusCycler.focusFirst()}_createButton(e,t,n){const i=new Wh(this.locale);return i.set({label:e,icon:t,tooltip:!0}),i.delegate("execute").to(this,n),i}_createPreviewButton(){const e=new Wh(this.locale),t=this.bindTemplate,n=this.t;return e.set({withText:!0,tooltip:n("Open link in new tab")}),e.extendTemplate({attributes:{class:["ck","ck-link-actions__preview"],href:t.to("href",e=>e&&Wb(e,this._linkConfig.allowedProtocols)),target:"_blank",rel:"noopener noreferrer"}}),e.bind("label").to(this,"href",e=>e||n("This link has no URL")),e.bind("isEnabled").to(this,"href",e=>!!e),e.template.tag="a",e.template.eventListeners={},e}}const fk="link-ui";class gk extends eo{constructor(){super(...arguments),this.actionsView=null,this.formView=null}static get requires(){return[cg]}static get pluginName(){return"LinkUI"}init(){const e=this.editor,t=this.editor.t;e.editing.view.addObserver(ld),this._balloon=e.plugins.get(cg),this._createToolbarLinkButton(),this._enableBalloonActivators(),e.conversion.for("editingDowncast").markerToHighlight({model:fk,view:{classes:["ck-fake-link-selection"]}}),e.conversion.for("editingDowncast").markerToElement({model:fk,view:{name:"span",classes:["ck-fake-link-selection","ck-fake-link-selection_collapsed"]}}),e.accessibility.addKeystrokeInfos({keystrokes:[{label:t("Create link"),keystroke:jb},{label:t("Move out of a link"),keystroke:[["arrowleft","arrowleft"],["arrowright","arrowright"]]}]})}destroy(){super.destroy(),this.formView&&this.formView.destroy(),this.actionsView&&this.actionsView.destroy()}_createViews(){this.actionsView=this._createActionsView(),this.formView=this._createFormView(),this._enableUserBalloonInteractions()}_createActionsView(){const e=this.editor,t=new uk(e.locale,e.config.get("link")),n=e.commands.get("link"),i=e.commands.get("unlink");return t.bind("href").to(n,"value"),t.editButtonView.bind("isEnabled").to(n),t.unlinkButtonView.bind("isEnabled").to(i),this.listenTo(t,"edit",()=>{this._addFormView()}),this.listenTo(t,"unlink",()=>{e.execute("unlink"),this._hideUI()}),t.keystrokes.set("Esc",(e,t)=>{this._hideUI(),t()}),t.keystrokes.set(jb,(e,t)=>{this._addFormView(),t()}),t}_createFormView(){const e=this.editor,t=e.commands.get("link"),n=e.config.get("link.defaultProtocol"),i=e.config.get("link.allowCreatingEmptyLinks"),o=new(r=lk,class extends r{disableCssTransitions(){this._isCssTransitionsDisabled=!0}enableCssTransitions(){this._isCssTransitionsDisabled=!1}constructor(...e){super(...e),this.set("_isCssTransitionsDisabled",!1),this.initializeCssTransitionDisablerMixin()}initializeCssTransitionDisablerMixin(){this.extendTemplate({attributes:{class:[this.bindTemplate.if("_isCssTransitionsDisabled","ck-transitions-disabled")]}})}})(e.locale,t);var r;return o.urlInputView.fieldView.bind("value").to(t,"value"),o.urlInputView.bind("isEnabled").to(t,"isEnabled"),o.saveButtonView.bind("isEnabled").to(t,"isEnabled",o.urlInputView,"isEmpty",(e,t)=>e&&(i||!t)),this.listenTo(o,"submit",()=>{const{value:t}=o.urlInputView.fieldView.element,i=Zb(t,n);e.execute("link",i,o.getDecoratorSwitchesState()),this._closeFormView()}),this.listenTo(o,"cancel",()=>{this._closeFormView()}),o.keystrokes.set("Esc",(e,t)=>{this._closeFormView(),t()}),o}_createToolbarLinkButton(){const e=this.editor,t=e.commands.get("link"),n=e.t;e.ui.componentFactory.add("link",e=>{const i=new Wh(e);return i.isEnabled=!0,i.label=n("Link"),i.icon='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="m11.077 15 .991-1.416a.75.75 0 1 1 1.229.86l-1.148 1.64a.748.748 0 0 1-.217.206 5.251 5.251 0 0 1-8.503-5.955.741.741 0 0 1 .12-.274l1.147-1.639a.75.75 0 1 1 1.228.86L4.933 10.7l.006.003a3.75 3.75 0 0 0 6.132 4.294l.006.004zm5.494-5.335a.748.748 0 0 1-.12.274l-1.147 1.639a.75.75 0 1 1-1.228-.86l.86-1.23a3.75 3.75 0 0 0-6.144-4.301l-.86 1.229a.75.75 0 0 1-1.229-.86l1.148-1.64a.748.748 0 0 1 .217-.206 5.251 5.251 0 0 1 8.503 5.955zm-4.563-2.532a.75.75 0 0 1 .184 1.045l-3.155 4.505a.75.75 0 1 1-1.229-.86l3.155-4.506a.75.75 0 0 1 1.045-.184z"/></svg>',i.keystroke=jb,i.tooltip=!0,i.isToggleable=!0,i.bind("isEnabled").to(t,"isEnabled"),i.bind("isOn").to(t,"value",e=>!!e),this.listenTo(i,"execute",()=>this._showUI(!0)),i})}_enableBalloonActivators(){const e=this.editor,t=e.editing.view.document;this.listenTo(t,"click",()=>{this._getSelectedLinkElement()&&this._showUI()}),e.keystrokes.set(jb,(t,n)=>{n(),e.commands.get("link").isEnabled&&this._showUI(!0)})}_enableUserBalloonInteractions(){this.editor.keystrokes.set("Tab",(e,t)=>{this._areActionsVisible&&!this.actionsView.focusTracker.isFocused&&(this.actionsView.focus(),t())},{priority:"high"}),this.editor.keystrokes.set("Esc",(e,t)=>{this._isUIVisible&&(this._hideUI(),t())}),th({emitter:this.formView,activator:()=>this._isUIInPanel,contextElements:()=>[this._balloon.view.element],callback:()=>this._hideUI()})}_addActionsView(){this.actionsView||this._createViews(),this._areActionsInPanel||this._balloon.add({view:this.actionsView,position:this._getBalloonPositionData()})}_addFormView(){if(this.formView||this._createViews(),this._isFormInPanel)return;const e=this.editor.commands.get("link");this.formView.disableCssTransitions(),this._balloon.add({view:this.formView,position:this._getBalloonPositionData()}),this.formView.urlInputView.fieldView.value=e.value||"",this._balloon.visibleView===this.formView&&this.formView.urlInputView.fieldView.select(),this.formView.enableCssTransitions()}_closeFormView(){const e=this.editor.commands.get("link");e.restoreManualDecoratorStates(),void 0!==e.value?this._removeFormView():this._hideUI()}_removeFormView(){this._isFormInPanel&&(this.formView.saveButtonView.focus(),this.formView.urlInputView.fieldView.reset(),this._balloon.remove(this.formView),this.editor.editing.view.focus(),this._hideFakeVisualSelection())}_showUI(e=!1){this.formView||this._createViews(),this._getSelectedLinkElement()?(this._areActionsVisible?this._addFormView():this._addActionsView(),e&&this._balloon.showStack("main")):(this._showFakeVisualSelection(),this._addActionsView(),e&&this._balloon.showStack("main"),this._addFormView()),this._startUpdatingUI()}_hideUI(){if(!this._isUIInPanel)return;const e=this.editor;this.stopListening(e.ui,"update"),this.stopListening(this._balloon,"change:visibleView"),e.editing.view.focus(),this._removeFormView(),this._balloon.remove(this.actionsView),this._hideFakeVisualSelection()}_startUpdatingUI(){const e=this.editor,t=e.editing.view.document;let n=this._getSelectedLinkElement(),i=r();const o=()=>{const e=this._getSelectedLinkElement(),t=r();n&&!e||!n&&t!==i?this._hideUI():this._isUIVisible&&this._balloon.updatePosition(this._getBalloonPositionData()),n=e,i=t};function r(){return t.selection.focus.getAncestors().reverse().find(e=>e.is("element"))}this.listenTo(e.ui,"update",o),this.listenTo(this._balloon,"change:visibleView",o)}get _isFormInPanel(){return!!this.formView&&this._balloon.hasView(this.formView)}get _areActionsInPanel(){return!!this.actionsView&&this._balloon.hasView(this.actionsView)}get _areActionsVisible(){return!!this.actionsView&&this._balloon.visibleView===this.actionsView}get _isUIInPanel(){return this._isFormInPanel||this._areActionsInPanel}get _isUIVisible(){const e=this._balloon.visibleView;return!!this.formView&&e==this.formView||this._areActionsVisible}_getBalloonPositionData(){const e=this.editor.editing.view,t=this.editor.model,n=e.document;let i;if(t.markers.has(fk)){const t=Array.from(this.editor.editing.mapper.markerNameToElements(fk)),n=e.createRange(e.createPositionBefore(t[0]),e.createPositionAfter(t[t.length-1]));i=e.domConverter.viewRangeToDom(n)}else i=()=>{const t=this._getSelectedLinkElement();return t?e.domConverter.mapViewToDom(t):e.domConverter.viewRangeToDom(n.selection.getFirstRange())};return{target:i}}_getSelectedLinkElement(){const e=this.editor.editing.view,t=e.document.selection,n=t.getSelectedElement();if(t.isCollapsed||n&&Tp(n))return pk(t.getFirstPosition());{const n=t.getFirstRange().getTrimmed(),i=pk(n.start),o=pk(n.end);return i&&i==o&&e.createRangeIn(i).getTrimmed().isEqual(n)?i:null}}_showFakeVisualSelection(){const e=this.editor.model;e.change(t=>{const n=e.document.selection.getFirstRange();if(e.markers.has(fk))t.updateMarker(fk,{range:n});else if(n.start.isAtEnd){const i=n.start.getLastMatchingPosition(({item:t})=>!e.schema.isContent(t),{boundaries:n});t.addMarker(fk,{usingOperation:!1,affectsData:!1,range:t.createRange(i,n.end)})}else t.addMarker(fk,{usingOperation:!1,affectsData:!1,range:n})})}_hideFakeVisualSelection(){const e=this.editor.model;e.markers.has(fk)&&e.change(e=>{e.removeMarker(fk)})}}function pk(e){return e.getAncestors().find(e=>{return(t=e).is("attributeElement")&&!!t.getCustomProperty("link");var t})||null}const mk=new RegExp("(^|\\s)(((?:(?:(?:https?|ftp):)?\\/\\/)(?:\\S+(?::\\S*)?@)?(?:(?:[1-9]\\d?|1\\d\\d|2[01]\\d|22[0-3])(?:\\.(?:1?\\d{1,2}|2[0-4]\\d|25[0-5])){2}(?:\\.(?:[1-9]\\d?|1\\d\\d|2[0-4]\\d|25[0-4]))|(((?!www\\.)|(www\\.))(?![-_])(?:[-_a-z0-9\\u00a1-\\uffff]{1,63}\\.)+(?:[a-z\\u00a1-\\uffff]{2,63})))(?::\\d{2,5})?(?:[/?#]\\S*)?)|((www.|(\\S+@))((?![-_])(?:[-_a-z0-9\\u00a1-\\uffff]{1,63}\\.))+(?:[a-z\\u00a1-\\uffff]{2,63})))$","i");class bk extends eo{static get requires(){return[Vd,ok]}static get pluginName(){return"AutoLink"}init(){const e=this.editor.model.document.selection;e.on("change:range",()=>{this.isEnabled=!e.anchor.parent.is("element","codeBlock")}),this._enableTypingHandling()}afterInit(){this._enableEnterHandling(),this._enableShiftEnterHandling(),this._enablePasteLinking()}_expandLinkRange(e,t){return t.textNode&&t.textNode.hasAttribute("linkHref")?Kd(t,"linkHref",t.textNode.getAttribute("linkHref"),e):null}_selectEntireLinks(e,t){const n=this.editor.model,i=n.document.selection,o=i.getFirstPosition(),r=i.getLastPosition();let s=t.getJoined(this._expandLinkRange(n,o)||t);s&&(s=s.getJoined(this._expandLinkRange(n,r)||t)),s&&(s.start.isBefore(o)||s.end.isAfter(r))&&e.setSelection(s)}_enablePasteLinking(){const e=this.editor,t=e.model,n=t.document.selection,i=e.plugins.get("ClipboardPipeline"),o=e.commands.get("link");i.on("inputTransformation",(e,i)=>{if(!this.isEnabled||!o.isEnabled||n.isCollapsed||"paste"!==i.method)return;if(n.rangeCount>1)return;const r=n.getFirstRange(),s=i.dataTransfer.getData("text/plain");if(!s)return;const a=s.match(mk);a&&a[2]===s&&(t.change(e=>{this._selectEntireLinks(e,r),o.execute(s)}),e.stop())},{priority:"high"})}_enableTypingHandling(){const e=this.editor,t=new Bd(e.model,e=>{if(!function(e){return e.length>4&&" "===e[e.length-1]&&" "!==e[e.length-2]}(e))return;const t=kk(e.substr(0,e.length-1));return t?{url:t}:void 0});t.on("matched:data",(t,n)=>{const{batch:i,range:o,url:r}=n;if(!i.isTyping)return;const s=o.end.getShiftedBy(-1),a=s.getShiftedBy(-r.length),c=e.model.createRange(a,s);this._applyAutoLink(r,c)}),t.bind("isEnabled").to(this)}_enableEnterHandling(){const e=this.editor,t=e.model,n=e.commands.get("enter");n&&n.on("execute",()=>{const e=t.document.selection.getFirstPosition();if(!e.parent.previousSibling)return;const n=t.createRangeIn(e.parent.previousSibling);this._checkAndApplyAutoLinkOnRange(n)})}_enableShiftEnterHandling(){const e=this.editor,t=e.model,n=e.commands.get("shiftEnter");n&&n.on("execute",()=>{const e=t.document.selection.getFirstPosition(),n=t.createRange(t.createPositionAt(e.parent,0),e.getShiftedBy(-1));this._checkAndApplyAutoLinkOnRange(n)})}_checkAndApplyAutoLinkOnRange(e){const t=this.editor.model,{text:n,range:i}=Dd(e,t),o=kk(n);if(o){const e=t.createRange(i.end.getShiftedBy(-o.length),i.end);this._applyAutoLink(o,e)}}_applyAutoLink(e,t){const n=this.editor.model,i=Zb(e,this.editor.config.get("link.defaultProtocol"));this.isEnabled&&function(e,t){return t.schema.checkAttributeInSelection(t.createSelection(e),"linkHref")}(t,n)&&Kb(i)&&!function(e){const t=e.start.nodeAfter;return!!t&&t.hasAttribute("linkHref")}(t)&&this._persistAutoLink(i,t)}_persistAutoLink(e,t){const n=this.editor.model,i=this.editor.plugins.get("Delete");n.enqueueChange(o=>{o.setAttribute("linkHref",e,t),n.enqueueChange(()=>{i.requestUndoOnBackspace()})})}}function kk(e){const t=mk.exec(e);return t?t[2]:null}class wk{constructor(e,t){this._startElement=e,this._referenceIndent=e.getAttribute("listIndent"),this._isForward="forward"==t.direction,this._includeSelf=!!t.includeSelf,this._sameAttributes=Ti(t.sameAttributes||[]),this._sameIndent=!!t.sameIndent,this._lowerIndent=!!t.lowerIndent,this._higherIndent=!!t.higherIndent}static first(e,t){return Wi(new this(e,t)[Symbol.iterator]())}*[Symbol.iterator](){const e=[];for(const{node:t}of _k(this._getStartNode(),this._isForward?"forward":"backward")){const n=t.getAttribute("listIndent");if(n<this._referenceIndent){if(!this._lowerIndent)break;this._referenceIndent=n}else if(n>this._referenceIndent){if(!this._higherIndent)continue;if(!this._isForward){e.push(t);continue}}else{if(!this._sameIndent){if(this._higherIndent){e.length&&(yield*e,e.length=0);break}continue}if(this._sameAttributes.some(e=>t.getAttribute(e)!==this._startElement.getAttribute(e)))break}e.length&&(yield*e,e.length=0),yield t}}_getStartNode(){return this._includeSelf?this._startElement:this._isForward?this._startElement.nextSibling:this._startElement.previousSibling}}function*_k(e,t="forward"){const n="forward"==t,i=[];let o=null;for(;xk(e);){let t=null;if(o){const n=e.getAttribute("listIndent"),r=o.getAttribute("listIndent");n>r?i[r]=o:n<r?(t=i[n],i.length=n):t=o}yield{node:e,previous:o,previousNodeInList:t},o=e,e=n?e.nextSibling:e.previousSibling}}class vk{constructor(e){this._listHead=e}[Symbol.iterator](){return _k(this._listHead,"forward")}}class yk{static next(){return u()}}function xk(e){return!!e&&e.is("element")&&e.hasAttribute("listItemId")}function Ak(e,t={}){return[...Ck(e,{...t,direction:"backward"}),...Ck(e,{...t,direction:"forward"})]}function Ck(e,t={}){const n="forward"==t.direction,i=Array.from(new wk(e,{...t,includeSelf:n,sameIndent:!0,sameAttributes:"listItemId"}));return n?i:i.reverse()}function Ek(e){const t=new wk(e,{sameIndent:!0,sameAttributes:"listType"}),n=new wk(e,{sameIndent:!0,sameAttributes:"listType",includeSelf:!0,direction:"forward"});return[...Array.from(t).reverse(),...n]}function Tk(e){return!wk.first(e,{sameIndent:!0,sameAttributes:"listItemId"})}function Pk(e){return!wk.first(e,{direction:"forward",sameIndent:!0,sameAttributes:"listItemId"})}function Sk(e,t={}){e=Ti(e);const n=!1!==t.withNested,i=new Set;for(const t of e)for(const e of Ak(t,{higherIndent:n}))i.add(e);return Nk(i)}function Rk(e,t){const n=Ck(e,{direction:"forward"}),i=yk.next();for(const e of n)t.setAttribute("listItemId",i,e);return n}function Ik(e,t,n){const i={};for(const[e,n]of t.getAttributes())e.startsWith("list")&&(i[e]=n);const o=Ck(e,{direction:"forward"});for(const e of o)n.setAttributes(i,e);return o}function Ok(e,t,{expand:n,indentBy:i=1}={}){e=Ti(e);const o=n?Sk(e):e;for(const e of o){const n=e.getAttribute("listIndent")+i;n<0?Mk(e,t):t.setAttribute("listIndent",n,e)}return o}function Mk(e,t){e=Ti(e);for(const n of e)n.is("element","listItem")&&t.rename(n,"paragraph");for(const n of e)for(const e of n.getAttributeKeys())e.startsWith("list")&&t.removeAttribute(e,n);return e}function Vk(e){if(!e.length)return!1;const t=e[0].getAttribute("listItemId");return!!t&&!e.some(e=>e.getAttribute("listItemId")!=t)}function Nk(e){return Array.from(e).filter(e=>"$graveyard"!==e.root.rootName).sort((e,t)=>e.index-t.index)}function Dk(e){const t=e.document.selection.getSelectedElement();return t&&e.schema.isObject(t)&&e.schema.isBlock(t)?t:null}function Bk(e,t){return t.checkChild(e.parent,"listItem")&&t.checkChild(e,"$text")&&!t.isObject(e)}function Lk(e,t,n){return Ck(t,{direction:"forward"}).pop().index>e.index?Ik(e,t,n):[]}class Fk extends no{constructor(e,t){super(e),this._direction=t}refresh(){this.isEnabled=this._checkEnabled()}execute(){const e=this.editor.model,t=zk(e.document.selection);e.change(e=>{const n=[];Vk(t)&&!Tk(t[0])?("forward"==this._direction&&n.push(...Ok(t,e)),n.push(...Rk(t[0],e))):"forward"==this._direction?n.push(...Ok(t,e,{expand:!0})):n.push(...function(e,t){const n=Sk(e=Ti(e)),i=new Set,o=Math.min(...n.map(e=>e.getAttribute("listIndent"))),r=new Map;for(const e of n)r.set(e,wk.first(e,{lowerIndent:!0}));for(const e of n){if(i.has(e))continue;i.add(e);const n=e.getAttribute("listIndent")-1;if(n<0)Mk(e,t);else{if(e.getAttribute("listIndent")==o){const n=Lk(e,r.get(e),t);for(const e of n)i.add(e);if(n.length)continue}t.setAttribute("listIndent",n,e)}}return Nk(i)}(t,e));for(const t of n){if(!t.hasAttribute("listType"))continue;const n=wk.first(t,{sameIndent:!0});n&&e.setAttribute("listType",n.getAttribute("listType"),t)}this._fireAfterExecute(n)})}_fireAfterExecute(e){this.fire("afterExecute",Nk(new Set(e)))}_checkEnabled(){let e=zk(this.editor.model.document.selection),t=e[0];if(!t)return!1;if("backward"==this._direction)return!0;if(Vk(e)&&!Tk(e[0]))return!0;e=Sk(e),t=e[0];const n=wk.first(t,{sameIndent:!0});return!!n&&n.getAttribute("listType")==t.getAttribute("listType")}}function zk(e){const t=Array.from(e.getSelectedBlocks()),n=t.findIndex(e=>!xk(e));return-1!=n&&(t.length=n),t}class $k extends no{constructor(e,t){super(e),this.type=t}refresh(){this.value=this._getValue(),this.isEnabled=this._checkEnabled()}execute(e={}){const t=this.editor.model,n=t.document,i=Dk(t),o=Array.from(n.selection.getSelectedBlocks()).filter(e=>t.schema.checkAttribute(e,"listType")||Bk(e,t.schema)),r=void 0!==e.forceValue?!e.forceValue:this.value;t.change(e=>{if(r){const t=o[o.length-1],n=Ck(t,{direction:"forward"}),i=[];n.length>1&&i.push(...Rk(n[1],e)),i.push(...Mk(o,e)),i.push(...function(e,t){const n=[];let i=Number.POSITIVE_INFINITY;for(const{node:o}of _k(e.nextSibling,"forward")){const e=o.getAttribute("listIndent");if(0==e)break;e<i&&(i=e);const r=e-i;t.setAttribute("listIndent",r,o),n.push(o)}return n}(t,e)),this._fireAfterExecute(i)}else if((i||n.selection.isCollapsed)&&xk(o[0])){const t=Ek(i||o[0]);for(const n of t)e.setAttribute("listType",this.type,n);this._fireAfterExecute(t)}else{const n=[];for(const i of o)if(i.hasAttribute("listType"))for(const t of Sk(i,{withNested:!1}))t.getAttribute("listType")!=this.type&&(e.setAttribute("listType",this.type,t),n.push(t));else!i.is("element","listItem")&&Bk(i,t.schema)&&e.rename(i,"listItem"),e.setAttributes({listIndent:0,listItemId:yk.next(),listType:this.type},i),n.push(i);this._fireAfterExecute(n)}})}_fireAfterExecute(e){this.fire("afterExecute",Nk(new Set(e)))}_getValue(){const e=this.editor.model.document.selection,t=Array.from(e.getSelectedBlocks());if(!t.length)return!1;for(const e of t)if(e.getAttribute("listType")!=this.type)return!1;return!0}_checkEnabled(){const e=this.editor.model,t=e.schema,n=e.document.selection,i=Array.from(n.getSelectedBlocks());if(!i.length)return!1;if(this.value)return!0;for(const e of i)if(t.checkAttribute(e,"listType")||Bk(e,t))return!0;return!1}}class Hk extends no{constructor(e,t){super(e),this._direction=t}refresh(){this.isEnabled=this._checkEnabled()}execute({shouldMergeOnBlocksContentLevel:e=!1}={}){const t=this.editor.model,n=t.document.selection,i=[];t.change(o=>{const{firstElement:r,lastElement:s}=this._getMergeSubjectElements(n,e),a=r.getAttribute("listIndent")||0,c=s.getAttribute("listIndent"),l=s.getAttribute("listItemId");if(a!=c){const e=(d=s,Array.from(new wk(d,{direction:"forward",higherIndent:!0})));i.push(...Ok([s,...e],o,{indentBy:a-c,expand:a<c}))}var d;if(e){let e=n;n.isCollapsed&&(e=o.createSelection(o.createRange(o.createPositionAt(r,"end"),o.createPositionAt(s,0)))),t.deleteContent(e,{doNotResetEntireContent:n.isCollapsed});const a=e.getLastPosition().parent,c=a.nextSibling;i.push(a),c&&c!==s&&c.getAttribute("listItemId")==l&&i.push(...Ik(c,a,o))}else i.push(...Ik(s,r,o));this._fireAfterExecute(i)})}_fireAfterExecute(e){this.fire("afterExecute",Nk(new Set(e)))}_checkEnabled(){const e=this.editor.model,t=e.document.selection,n=Dk(e);if(t.isCollapsed||n){const e=n||t.getFirstPosition().parent;if(!xk(e))return!1;const i="backward"==this._direction?e.previousSibling:e.nextSibling;if(!i)return!1;if(Vk([e,i]))return!1}else{const e=t.getLastPosition(),n=t.getFirstPosition();if(e.parent===n.parent)return!1;if(!xk(e.parent))return!1}return!0}_getMergeSubjectElements(e,t){const n=Dk(this.editor.model);let i,o;if(e.isCollapsed||n){const r=n||e.getFirstPosition().parent,s=Tk(r);"backward"==this._direction?(o=r,i=s&&!t?wk.first(r,{sameIndent:!0,lowerIndent:!0}):r.previousSibling):(i=r,o=r.nextSibling)}else i=e.getFirstPosition().parent,o=e.getLastPosition().parent;return{firstElement:i,lastElement:o}}}class jk extends no{constructor(e,t){super(e),this._direction=t}refresh(){this.isEnabled=this._checkEnabled()}execute(){this.editor.model.change(e=>{const t=Rk(this._getStartBlock(),e);this._fireAfterExecute(t)})}_fireAfterExecute(e){this.fire("afterExecute",Nk(new Set(e)))}_checkEnabled(){const e=this.editor.model.document.selection,t=this._getStartBlock();return e.isCollapsed&&xk(t)&&!Tk(t)}_getStartBlock(){const e=this.editor.model.document.selection.getFirstPosition().parent;return"before"==this._direction?e:e.nextSibling}}class qk extends eo{static get pluginName(){return"ListUtils"}expandListBlocksToCompleteList(e){return function(e){e=Ti(e);const t=new Set;for(const n of e)for(const e of Ek(n))t.add(e);return Nk(t)}(e)}isFirstBlockOfListItem(e){return Tk(e)}isListItemBlock(e){return xk(e)}expandListBlocksToCompleteItems(e,t={}){return Sk(e,t)}}function Wk(e){return e.is("element","ol")||e.is("element","ul")}function Uk(e){return e.is("element","li")}function Zk(e,t,n,i=Jk(n,t)){return e.createAttributeElement(Gk(n),null,{priority:2*t/100-100,id:i})}function Kk(e,t,n){return e.createAttributeElement("li",null,{priority:(2*t+1)/100-100,id:n})}function Gk(e){return"numbered"==e?"ol":"ul"}function Jk(e,t){return`list-${e}-${t}`}function Qk(e,t){const n=e.nodeBefore;if(xk(n)){let e=n;for(const{node:n}of _k(e,"backward"))if(e=n,t.has(e))return;t.set(n,e)}else{const n=e.nodeAfter;xk(n)&&t.set(n,n)}}function Yk(){return(e,t,n)=>{if(!n.consumable.test(t.viewItem,{name:!0}))return;const i=new hd(t.viewItem.document);for(const e of Array.from(t.viewItem.getChildren()))Uk(e)||Wk(e)||i.remove(e)}}function Xk(e,t,n,{dataPipeline:i}={}){const o=function(e){return(t,n)=>{const i=[];for(const n of e)t.hasAttribute(n)&&i.push(`attribute:${n}`);return!!i.every(e=>!1!==n.test(t,e))&&(i.forEach(e=>n.consume(t,e)),!0)}}(e);return(r,s,a)=>{const{writer:c,mapper:l,consumable:d}=a,h=s.item;if(!e.includes(s.attributeKey))return;if(!o(h,d))return;const u=function(e,t,n){const i=n.createRangeOn(e);return t.toViewRange(i).getTrimmed().end.nodeBefore}(h,l,n);!function(e,t,n){for(;e.parent.is("attributeElement")&&e.parent.getCustomProperty("listItemWrapper");)t.unwrap(t.createRangeIn(e.parent),e.parent);const i=t.createPositionBefore(e).getWalker({direction:"backward"}),o=[];for(const{item:e}of i){if(e.is("element")&&n.toModelElement(e))break;e.is("element")&&e.getCustomProperty("listItemMarker")&&o.push(e)}for(const e of o)t.remove(e)}(u,c,l),function(e,t){let n=e.parent;for(;n.is("attributeElement")&&["ul","ol","li"].includes(n.name);){const i=n.parent;t.unwrap(t.createRangeOn(e),n),n=i}}(u,c);const f=function(e,t,n,i,{dataPipeline:o}){let r=i.createRangeOn(t);if(!Tk(e))return r;for(const s of n){if("itemMarker"!=s.scope)continue;const n=s.createElement(i,e,{dataPipeline:o});if(!n)continue;if(i.setCustomProperty("listItemMarker",!0,n),i.insert(r.start,n),r=i.createRange(i.createPositionBefore(n),i.createPositionAfter(t)),!s.createWrapperElement||!s.canWrapElement)continue;const a=s.createWrapperElement(i,e,{dataPipeline:o});i.setCustomProperty("listItemWrapper",!0,a),s.canWrapElement(e)?r=i.wrap(r,a):(r=i.wrap(i.createRangeOn(n),a),r=i.createRange(r.start,i.createPositionAfter(t)))}return r}(h,u,t,c,{dataPipeline:i});!function(e,t,n,i){if(!e.hasAttribute("listIndent"))return;const o=e.getAttribute("listIndent");let r=e;for(let e=o;e>=0;e--){const o=Kk(i,e,r.getAttribute("listItemId")),s=Zk(i,e,r.getAttribute("listType"));for(const e of n)"list"!=e.scope&&"item"!=e.scope||!r.hasAttribute(e.attributeName)||e.setAttributeOnDowncast(i,r.getAttribute(e.attributeName),"list"==e.scope?s:o);if(t=i.wrap(t,o),t=i.wrap(t,s),0==e)break;if(r=wk.first(r,{lowerIndent:!0}),!r)break}}(h,f,t,c)}}function ew(e,{dataPipeline:t}={}){return(n,{writer:i})=>{if(!tw(n,e))return null;if(!t)return i.createContainerElement("span",{class:"ck-list-bogus-paragraph"});const o=i.createContainerElement("p");return i.setCustomProperty("dataPipeline:transparentRendering",!0,o),o}}function tw(e,t,n=Ak(e)){if(!xk(e))return!1;for(const n of e.getAttributeKeys())if(!n.startsWith("selection:")&&!t.includes(n))return!1;return n.length<2}var nw=o(7875),iw={};iw.setAttributes=po(),iw.insert=fo().bind(null,"head"),iw.domAPI=ho(),iw.insertStyleElement=bo(),co()(nw.A,iw),nw.A&&nw.A.locals&&nw.A.locals;var ow=o(532),rw={};rw.setAttributes=po(),rw.insert=fo().bind(null,"head"),rw.domAPI=ho(),rw.insertStyleElement=bo(),co()(ow.A,rw),ow.A&&ow.A.locals&&ow.A.locals;const sw=["listType","listIndent","listItemId"];class aw extends eo{static get pluginName(){return"ListEditing"}static get requires(){return[bp,Vd,qk,hp]}constructor(e){super(e),this._downcastStrategies=[],e.config.define("list.multiBlock",!0)}init(){const e=this.editor,t=e.model,n=e.config.get("list.multiBlock");if(e.plugins.has("LegacyListEditing"))throw new p("list-feature-conflict",this,{conflictPlugin:"LegacyListEditing"});t.schema.register("$listItem",{allowAttributes:sw}),n?(t.schema.extend("$container",{allowAttributesOf:"$listItem"}),t.schema.extend("$block",{allowAttributesOf:"$listItem"}),t.schema.extend("$blockObject",{allowAttributesOf:"$listItem"})):t.schema.register("listItem",{inheritAllFrom:"$block",allowAttributesOf:"$listItem"});for(const e of sw)t.schema.setAttributeProperties(e,{copyOnReplace:!0});e.commands.add("numberedList",new $k(e,"numbered")),e.commands.add("bulletedList",new $k(e,"bulleted")),e.commands.add("indentList",new Fk(e,"forward")),e.commands.add("outdentList",new Fk(e,"backward")),e.commands.add("splitListItemBefore",new jk(e,"before")),e.commands.add("splitListItemAfter",new jk(e,"after")),n&&(e.commands.add("mergeListItemBackward",new Hk(e,"backward")),e.commands.add("mergeListItemForward",new Hk(e,"forward"))),this._setupDeleteIntegration(),this._setupEnterIntegration(),this._setupTabIntegration(),this._setupClipboardIntegration(),this._setupAccessibilityIntegration()}afterInit(){const e=this.editor.commands,t=e.get("indent"),n=e.get("outdent");t&&t.registerChildCommand(e.get("indentList"),{priority:"high"}),n&&n.registerChildCommand(e.get("outdentList"),{priority:"lowest"}),this._setupModelPostFixing(),this._setupConversion()}registerDowncastStrategy(e){this._downcastStrategies.push(e)}getListAttributeNames(){return[...sw,...this._downcastStrategies.map(e=>e.attributeName)]}_setupDeleteIntegration(){const e=this.editor,t=e.commands.get("mergeListItemBackward"),n=e.commands.get("mergeListItemForward");this.listenTo(e.editing.view.document,"delete",(i,o)=>{const r=e.model.document.selection;Dk(e.model)||e.model.change(()=>{const s=r.getFirstPosition();if(r.isCollapsed&&"backward"==o.direction){if(!s.isAtStart)return;const n=s.parent;if(!xk(n))return;if(wk.first(n,{sameAttributes:"listType",sameIndent:!0})||0!==n.getAttribute("listIndent")){if(!t||!t.isEnabled)return;t.execute({shouldMergeOnBlocksContentLevel:cw(e.model,"backward")})}else Pk(n)||e.execute("splitListItemAfter"),e.execute("outdentList");o.preventDefault(),i.stop()}else{if(r.isCollapsed&&!r.getLastPosition().isAtEnd)return;if(!n||!n.isEnabled)return;n.execute({shouldMergeOnBlocksContentLevel:cw(e.model,"forward")}),o.preventDefault(),i.stop()}})},{context:"li"})}_setupEnterIntegration(){const e=this.editor,t=e.model,n=e.commands,i=n.get("enter");this.listenTo(e.editing.view.document,"enter",(n,i)=>{const o=t.document,r=o.selection.getFirstPosition().parent;if(o.selection.isCollapsed&&xk(r)&&r.isEmpty&&!i.isSoft){const t=Tk(r),o=Pk(r);t&&o?(e.execute("outdentList"),i.preventDefault(),n.stop()):t&&!o?(e.execute("splitListItemAfter"),i.preventDefault(),n.stop()):o&&(e.execute("splitListItemBefore"),i.preventDefault(),n.stop())}},{context:"li"}),this.listenTo(i,"afterExecute",()=>{const t=n.get("splitListItemBefore");t.refresh(),t.isEnabled&&2===Ak(e.model.document.selection.getLastPosition().parent).length&&t.execute()})}_setupTabIntegration(){const e=this.editor;this.listenTo(e.editing.view.document,"tab",(t,n)=>{const i=n.shiftKey?"outdentList":"indentList";this.editor.commands.get(i).isEnabled&&(e.execute(i),n.stopPropagation(),n.preventDefault(),t.stop())},{context:"li"})}_setupConversion(){const e=this.editor,t=e.model,n=this.getListAttributeNames(),i=e.config.get("list.multiBlock"),o=i?"paragraph":"listItem";e.conversion.for("upcast").elementToElement({view:"li",model:(e,{writer:t})=>t.createElement(o,{listType:""})}).elementToElement({view:"p",model:(e,{writer:t})=>e.parent&&e.parent.is("element","li")?t.createElement(o,{listType:""}):null,converterPriority:"high"}).add(e=>{e.on("element:li",(e,t,n)=>{const{writer:i,schema:o}=n;if(!t.modelRange)return;const r=Array.from(t.modelRange.getItems({shallow:!0})).filter(e=>o.checkAttribute(e,"listItemId"));if(!r.length)return;const s=yk.next(),a=function(e){let t=0,n=e.parent;for(;n;){if(Uk(n))t++;else{const e=n.previousSibling;e&&Uk(e)&&t++}n=n.parent}return t}(t.viewItem);let c=t.viewItem.parent&&t.viewItem.parent.is("element","ol")?"numbered":"bulleted";const l=r[0].getAttribute("listType");l&&(c=l);const d={listItemId:s,listIndent:a,listType:c};for(const e of r)e.hasAttribute("listItemId")||i.setAttributes(d,e);r.length>1&&r[1].getAttribute("listItemId")!=d.listItemId&&n.keepEmptyElement(r[0])}),e.on("element:ul",Yk(),{priority:"high"}),e.on("element:ol",Yk(),{priority:"high"})}),i||e.conversion.for("downcast").elementToElement({model:"listItem",view:"p"}),e.conversion.for("editingDowncast").elementToElement({model:o,view:ew(n),converterPriority:"high"}).add(e=>{e.on("attribute",Xk(n,this._downcastStrategies,t))}),e.conversion.for("dataDowncast").elementToElement({model:o,view:ew(n,{dataPipeline:!0}),converterPriority:"high"}).add(e=>{e.on("attribute",Xk(n,this._downcastStrategies,t,{dataPipeline:!0}))}),this.listenTo(t.document,"change:data",function(e,t,n,i){return()=>{const i=e.document.differ.getChanges(),s=[],a=new Map,c=new Set;for(const e of i)if("insert"==e.type&&"$text"!=e.name)Qk(e.position,a),e.attributes.has("listItemId")?c.add(e.position.nodeAfter):Qk(e.position.getShiftedBy(e.length),a);else if("remove"==e.type&&e.attributes.has("listItemId"))Qk(e.position,a);else if("attribute"==e.type){const t=e.range.start.nodeAfter;n.includes(e.attributeKey)?(Qk(e.range.start,a),null===e.attributeNewValue?(Qk(e.range.start.getShiftedBy(1),a),r(t)&&s.push(t)):c.add(t)):xk(t)&&r(t)&&s.push(t)}for(const e of a.values())s.push(...o(e,c));for(const e of new Set(s))t.reconvertItem(e)};function o(e,t){const i=[],o=new Set,a=[];for(const{node:c,previous:l}of _k(e,"forward")){if(o.has(c))continue;const e=c.getAttribute("listIndent");l&&e<l.getAttribute("listIndent")&&(a.length=e+1),a[e]=Object.fromEntries(Array.from(c.getAttributes()).filter(([e])=>n.includes(e)));const d=Ck(c,{direction:"forward"});for(const e of d)o.add(e),(r(e,d)||s(e,a,t))&&i.push(e)}return i}function r(e,o){const r=t.mapper.toViewElement(e);if(!r)return!1;if(i.fire("checkElement",{modelElement:e,viewElement:r}))return!0;if(!e.is("element","paragraph")&&!e.is("element","listItem"))return!1;const s=tw(e,n,o);return!(!s||!r.is("element","p"))||!(s||!r.is("element","span"))}function s(e,n,o){if(o.has(e))return!1;const r=t.mapper.toViewElement(e);let s=n.length-1;for(let e=r.parent;!e.is("editableElement");e=e.parent){const t=Uk(e),o=Wk(e);if(!o&&!t)continue;const r="checkAttributes:"+(t?"item":"list");if(i.fire(r,{viewElement:e,modelAttributes:n[s]}))break;if(o&&(s--,s<0))return!1}return!0}}(t,e.editing,n,this),{priority:"high"}),this.on("checkAttributes:item",(e,{viewElement:t,modelAttributes:n})=>{t.id!=n.listItemId&&(e.return=!0,e.stop())}),this.on("checkAttributes:list",(e,{viewElement:t,modelAttributes:n})=>{t.name==Gk(n.listType)&&t.id==Jk(n.listType,n.listIndent)||(e.return=!0,e.stop())})}_setupModelPostFixing(){const e=this.editor.model,t=this.getListAttributeNames();e.document.registerPostFixer(n=>function(e,t,n,i){const o=e.document.differ.getChanges(),r=new Map,s=i.editor.config.get("list.multiBlock");let a=!1;for(const i of o){if("insert"==i.type&&"$text"!=i.name){const o=i.position.nodeAfter;if(!e.schema.checkAttribute(o,"listItemId"))for(const e of Array.from(o.getAttributeKeys()))n.includes(e)&&(t.removeAttribute(e,o),a=!0);Qk(i.position,r),i.attributes.has("listItemId")||Qk(i.position.getShiftedBy(i.length),r);for(const{item:t,previousPosition:n}of e.createRangeIn(o))xk(t)&&Qk(n,r)}else"remove"==i.type?Qk(i.position,r):"attribute"==i.type&&n.includes(i.attributeKey)&&(Qk(i.range.start,r),null===i.attributeNewValue&&Qk(i.range.start.getShiftedBy(1),r));if(!s&&"attribute"==i.type&&sw.includes(i.attributeKey)){const e=i.range.start.nodeAfter;null===i.attributeNewValue&&e&&e.is("element","listItem")?(t.rename(e,"paragraph"),a=!0):null===i.attributeOldValue&&e&&e.is("element")&&"listItem"!=e.name&&(t.rename(e,"listItem"),a=!0)}}const c=new Set;for(const e of r.values())a=i.fire("postFixer",{listNodes:new vk(e),listHead:e,writer:t,seenIds:c})||a;return a}(e,n,t,this)),this.on("postFixer",(e,{listNodes:t,writer:n})=>{e.return=function(e,t){let n=0,i=-1,o=null,r=!1;for(const{node:s}of e){const e=s.getAttribute("listIndent");if(e>n){let a;null===o?(o=e-n,a=n):(o>e&&(o=e),a=e-o),a>i+1&&(a=i+1),t.setAttribute("listIndent",a,s),r=!0,i=a}else o=null,n=e+1,i=e}return r}(t,n)||e.return},{priority:"high"}),this.on("postFixer",(e,{listNodes:t,writer:n,seenIds:i})=>{e.return=function(e,t,n){const i=new Set;let o=!1;for(const{node:r}of e){if(i.has(r))continue;let e=r.getAttribute("listType"),s=r.getAttribute("listItemId");if(t.has(s)&&(s=yk.next()),t.add(s),r.is("element","listItem"))r.getAttribute("listItemId")!=s&&(n.setAttribute("listItemId",s,r),o=!0);else for(const t of Ck(r,{direction:"forward"}))i.add(t),t.getAttribute("listType")!=e&&(s=yk.next(),e=t.getAttribute("listType")),t.getAttribute("listItemId")!=s&&(n.setAttribute("listItemId",s,t),o=!0)}return o}(t,i,n)||e.return},{priority:"high"})}_setupClipboardIntegration(){const e=this.editor.model,t=this.editor.plugins.get("ClipboardPipeline");this.listenTo(e,"insertContent",function(e){return(t,[n,i])=>{const o=n.is("documentFragment")?Array.from(n.getChildren()):[n];if(!o.length)return;const r=(i?e.createSelection(i):e.document.selection).getFirstPosition();let s;if(xk(r.parent))s=r.parent;else{if(!xk(r.nodeBefore))return;s=r.nodeBefore}e.change(e=>{const t=s.getAttribute("listType"),n=s.getAttribute("listIndent"),i=o[0].getAttribute("listIndent")||0,r=Math.max(n-i,0);for(const n of o){const i=xk(n);s.is("element","listItem")&&n.is("element","paragraph")&&e.rename(n,"listItem"),e.setAttributes({listIndent:(i?n.getAttribute("listIndent"):0)+r,listItemId:i?n.getAttribute("listItemId"):yk.next(),listType:t},n)}})}}(e),{priority:"high"}),this.listenTo(t,"outputTransformation",(t,n)=>{e.change(e=>{const t=Array.from(n.content.getChildren()),i=t[t.length-1];if(t.length>1&&i.is("element")&&i.isEmpty&&t.slice(0,-1).every(xk)&&e.remove(i),"copy"==n.method||"cut"==n.method){const t=Array.from(n.content.getChildren());Vk(t)&&Mk(t,e)}})})}_setupAccessibilityIntegration(){const e=this.editor,t=e.t;e.accessibility.addKeystrokeInfoGroup({id:"list",label:t("Keystrokes that can be used in a list"),keystrokes:[{label:t("Increase list item indent"),keystroke:"Tab"},{label:t("Decrease list item indent"),keystroke:"Shift+Tab"}]})}}function cw(e,t){const n=e.document.selection;if(!n.isCollapsed)return!Dk(e);if("forward"===t)return!0;const i=n.getFirstPosition().parent,o=i.previousSibling;return!e.schema.isObject(o)&&(!!o.isEmpty||Vk([i,o]))}function lw(e,t,n,i){e.ui.componentFactory.add(t,o=>{const r=e.commands.get(t),s=new Wh(o);return s.set({label:n,icon:i,tooltip:!0,isToggleable:!0}),s.bind("isOn","isEnabled").to(r,"value","isEnabled"),s.on("execute",()=>{e.execute(t),e.editing.view.focus()}),s})}class dw extends eo{static get pluginName(){return"ListUI"}init(){const e=this.editor.t;lw(this.editor,"numberedList",e("Numbered List"),_d.numberedList),lw(this.editor,"bulletedList",e("Bulleted List"),_d.bulletedList)}}class hw extends no{constructor(e){super(e),this.on("execute",()=>{this.refresh()},{priority:"highest"})}refresh(){const e=this._getSelectedItems();this.value=this._getValue(e),this.isEnabled=!!e.length}execute(e={}){this.editor.model.change(t=>{const n=this._getSelectedItems(),i=void 0===e.forceValue?!this._getValue(n):e.forceValue;for(const e of n)i?t.setAttribute("todoListChecked",!0,e):t.removeAttribute("todoListChecked",e)})}_getValue(e){return e.every(e=>e.getAttribute("todoListChecked"))}_getSelectedItems(){const e=this.editor.model,t=e.schema,n=e.document.selection.getFirstRange(),i=n.start.parent,o=[];t.checkAttribute(i,"todoListChecked")&&o.push(...Ak(i));for(const e of n.getItems({shallow:!0}))t.checkAttribute(e,"todoListChecked")&&!o.includes(e)&&o.push(...Ak(e));return o}}class uw extends As{constructor(){super(...arguments),this.domEventType=["change"]}onDomEvent(e){if(e.target){const t=this.view.domConverter.mapDomToView(e.target);t&&t.is("element","input")&&"checkbox"==t.getAttribute("type")&&t.findAncestor({classes:"todo-list__label"})&&this.fire("todoCheckboxChange",e)}}}const fw=Ai("Ctrl+Enter");class gw extends eo{static get pluginName(){return"TodoListEditing"}static get requires(){return[aw]}init(){const e=this.editor,t=e.model,n=e.editing,i=e.plugins.get(aw),o=e.config.get("list.multiBlock")?"paragraph":"listItem";e.commands.add("todoList",new $k(e,"todo")),e.commands.add("checkTodoList",new hw(e)),n.view.addObserver(uw),t.schema.extend("$listItem",{allowAttributes:"todoListChecked"}),t.schema.addAttributeCheck((e,t)=>{const n=e.last;if("todoListChecked"==t)return!(!n.getAttribute("listItemId")||"todo"!=n.getAttribute("listType"))&&void 0}),e.conversion.for("upcast").add(e=>{e.on("element:input",(e,t,n)=>{const i=t.modelCursor,o=i.parent,r=t.viewItem;if(!n.consumable.test(r,{name:!0}))return;if("checkbox"!=r.getAttribute("type")||!i.isAtStart||!o.hasAttribute("listType"))return;n.consumable.consume(r,{name:!0});const s=n.writer;s.setAttribute("listType","todo",o),t.viewItem.hasAttribute("checked")&&s.setAttribute("todoListChecked",!0,o),t.modelRange=s.createRange(i)}),e.on("element:label",pw({name:"label",classes:"todo-list__label"})),e.on("element:label",pw({name:"label",classes:["todo-list__label","todo-list__label_without-description"]})),e.on("element:span",pw({name:"span",classes:"todo-list__label__description"})),e.on("element:ul",function(){const e=new Ro({name:"ul",classes:"todo-list"});return(t,n,i)=>{const o=e.match(n.viewItem);if(!o)return;const r=o.match;r.name=!1,i.consumable.consume(n.viewItem,r)}}())}),e.conversion.for("downcast").elementToElement({model:o,view:(e,{writer:t})=>{if(mw(e,i.getListAttributeNames()))return t.createContainerElement("span",{class:"todo-list__label__description"})},converterPriority:"highest"}),i.registerDowncastStrategy({scope:"list",attributeName:"listType",setAttributeOnDowncast(e,t,n){"todo"==t?e.addClass("todo-list",n):e.removeClass("todo-list",n)}}),i.registerDowncastStrategy({scope:"itemMarker",attributeName:"todoListChecked",createElement(e,t,{dataPipeline:n}){if("todo"!=t.getAttribute("listType"))return null;const i=e.createEmptyElement("input",{type:"checkbox",...t.getAttribute("todoListChecked")?{checked:"checked"}:null,...n?{disabled:"disabled"}:{tabindex:"-1"}});return n?i:e.createContainerElement("span",{contenteditable:"false"},i)},canWrapElement:e=>mw(e,i.getListAttributeNames()),createWrapperElement(e,t,{dataPipeline:n}){const o=["todo-list__label"];return mw(t,i.getListAttributeNames())||o.push("todo-list__label_without-description"),e.createAttributeElement(n?"label":"span",{class:o.join(" ")})}}),n.mapper.registerViewToModelLength("input",e=>"checkbox"==e.getAttribute("type")&&e.findAncestor({classes:"todo-list__label"})?0:n.mapper.toModelElement(e)?1:0),i.on("checkElement",(e,{modelElement:t,viewElement:n})=>{const o=mw(t,i.getListAttributeNames());n.hasClass("todo-list__label__description")!=o&&(e.return=!0,e.stop())}),i.on("checkElement",(t,{modelElement:n,viewElement:i})=>{const o="todo"==n.getAttribute("listType")&&Tk(n);let r=!1;const s=e.editing.view.createPositionBefore(i).getWalker({direction:"backward"});for(const{item:t}of s){if(t.is("element")&&e.editing.mapper.toModelElement(t))break;t.is("element","input")&&"checkbox"==t.getAttribute("type")&&(r=!0)}r!=o&&(t.return=!0,t.stop())}),i.on("postFixer",(e,{listNodes:t,writer:n})=>{for(const{node:i,previousNodeInList:o}of t){if(!o)continue;if(o.getAttribute("listItemId")!=i.getAttribute("listItemId"))continue;const t=o.hasAttribute("todoListChecked"),r=i.hasAttribute("todoListChecked");r&&!t?(n.removeAttribute("todoListChecked",i),e.return=!0):!r&&t&&(n.setAttribute("todoListChecked",!0,i),e.return=!0)}}),t.document.registerPostFixer(e=>{const n=t.document.differ.getChanges();let i=!1;for(const t of n)if("attribute"==t.type&&"listType"==t.attributeKey){const n=t.range.start.nodeAfter;"todo"==t.attributeOldValue&&n.hasAttribute("todoListChecked")&&(e.removeAttribute("todoListChecked",n),i=!0)}else if("insert"==t.type&&"$text"!=t.name)for(const{item:n}of e.createRangeOn(t.position.nodeAfter))n.is("element")&&"todo"!=n.getAttribute("listType")&&n.hasAttribute("todoListChecked")&&(e.removeAttribute("todoListChecked",n),i=!0);return i}),this.listenTo(n.view.document,"keydown",(t,n)=>{xi(n)===fw&&(e.execute("checkTodoList"),t.stop())},{priority:"high"}),this.listenTo(n.view.document,"todoCheckboxChange",(e,t)=>{const i=t.target;if(!i||!i.is("element","input"))return;const o=n.view.createPositionAfter(i),r=n.mapper.toModelPosition(o).parent;r&&xk(r)&&"todo"==r.getAttribute("listType")&&this._handleCheckmarkChange(r)}),this.listenTo(n.view.document,"arrowKey",function(e,t){return(n,i)=>{const o=Ei(i.keyCode,t.contentLanguageDirection),r=e.schema,s=e.document.selection;if(!s.isCollapsed)return;const a=s.getFirstPosition(),c=a.parent;if("right"==o&&a.isAtEnd){const t=r.getNearestSelectionRange(e.createPositionAfter(c),"forward");if(!t)return;const o=t.start.parent;o&&xk(o)&&"todo"==o.getAttribute("listType")&&(e.change(e=>e.setSelection(t)),i.preventDefault(),i.stopPropagation(),n.stop())}else if("left"==o&&a.isAtStart&&xk(c)&&"todo"==c.getAttribute("listType")){const t=r.getNearestSelectionRange(e.createPositionBefore(c),"backward");if(!t)return;e.change(e=>e.setSelection(t)),i.preventDefault(),i.stopPropagation(),n.stop()}}}(t,e.locale),{context:"$text"}),this.listenTo(n.mapper,"viewToModelPosition",(e,n)=>{const i=n.viewPosition.parent,o=i.is("attributeElement","li")&&0==n.viewPosition.offset,r=bw(i)&&n.viewPosition.offset<=1,s=i.is("element","span")&&"false"==i.getAttribute("contenteditable")&&bw(i.parent);if(!o&&!r&&!s)return;const a=n.modelPosition.nodeAfter;a&&"todo"==a.getAttribute("listType")&&(n.modelPosition=t.createPositionAt(a,0))},{priority:"low"})}_handleCheckmarkChange(e){const t=this.editor,n=t.model,i=Array.from(n.document.selection.getRanges());n.change(n=>{n.setSelection(e,"end"),t.execute("checkTodoList"),n.setSelection(i)})}}function pw(e){const t=new Ro(e);return(e,n,i)=>{const o=t.match(n.viewItem);o&&i.consumable.consume(n.viewItem,o.match)&&Object.assign(n,i.convertChildren(n.viewItem,n.modelCursor))}}function mw(e,t){return(e.is("element","paragraph")||e.is("element","listItem"))&&"todo"==e.getAttribute("listType")&&Tk(e)&&function(e,t){for(const n of e.getAttributeKeys())if(!n.startsWith("selection:")&&!t.includes(n))return!1;return!0}(e,t)}function bw(e){return!!e&&e.is("attributeElement")&&e.hasClass("todo-list__label")}class kw extends eo{static get pluginName(){return"TodoListUI"}init(){const e=this.editor.t;lw(this.editor,"todoList",e("To-do List"),_d.todoList)}}var ww=o(5484),_w={};_w.setAttributes=po(),_w.insert=fo().bind(null,"head"),_w.domAPI=ho(),_w.insertStyleElement=bo(),co()(ww.A,_w),ww.A&&ww.A.locals&&ww.A.locals;class vw extends no{refresh(){this.value=this._getValue(),this.isEnabled=this._checkEnabled()}execute(e={}){const t=this.editor.model,n=t.schema,i=t.document.selection,o=Array.from(i.getSelectedBlocks()),r=void 0===e.forceValue?!this.value:e.forceValue;t.change(e=>{if(r){const t=o.filter(e=>yw(e)||Aw(n,e));this._applyQuote(e,t)}else this._removeQuote(e,o.filter(yw))})}_getValue(){const e=Wi(this.editor.model.document.selection.getSelectedBlocks());return!(!e||!yw(e))}_checkEnabled(){if(this.value)return!0;const e=this.editor.model.document.selection,t=this.editor.model.schema,n=Wi(e.getSelectedBlocks());return!!n&&Aw(t,n)}_removeQuote(e,t){xw(e,t).reverse().forEach(t=>{if(t.start.isAtStart&&t.end.isAtEnd)return void e.unwrap(t.start.parent);if(t.start.isAtStart){const n=e.createPositionBefore(t.start.parent);return void e.move(t,n)}t.end.isAtEnd||e.split(t.end);const n=e.createPositionAfter(t.end.parent);e.move(t,n)})}_applyQuote(e,t){const n=[];xw(e,t).reverse().forEach(t=>{let i=yw(t.start);i||(i=e.createElement("blockQuote"),e.wrap(t,i)),n.push(i)}),n.reverse().reduce((t,n)=>t.nextSibling==n?(e.merge(e.createPositionAfter(t)),t):n)}}function yw(e){return"blockQuote"==e.parent.name?e.parent:null}function xw(e,t){let n,i=0;const o=[];for(;i<t.length;){const r=t[i],s=t[i+1];n||(n=e.createPositionBefore(r)),s&&r.nextSibling==s||(o.push(e.createRange(n,e.createPositionAfter(r))),n=null),i++}return o}function Aw(e,t){const n=e.checkChild(t.parent,"blockQuote"),i=e.checkChild(["$root","blockQuote"],t);return n&&i}class Cw extends eo{static get pluginName(){return"BlockQuoteEditing"}static get requires(){return[bp,Vd]}init(){const e=this.editor,t=e.model.schema;e.commands.add("blockQuote",new vw(e)),t.register("blockQuote",{inheritAllFrom:"$container"}),e.conversion.elementToElement({model:"blockQuote",view:"blockquote"}),e.model.document.registerPostFixer(n=>{const i=e.model.document.differ.getChanges();for(const e of i)if("insert"==e.type){const i=e.position.nodeAfter;if(!i)continue;if(i.is("element","blockQuote")&&i.isEmpty)return n.remove(i),!0;if(i.is("element","blockQuote")&&!t.checkChild(e.position,i))return n.unwrap(i),!0;if(i.is("element")){const e=n.createRangeIn(i);for(const i of e.getItems())if(i.is("element","blockQuote")&&!t.checkChild(n.createPositionBefore(i),i))return n.unwrap(i),!0}}else if("remove"==e.type){const t=e.position.parent;if(t.is("element","blockQuote")&&t.isEmpty)return n.remove(t),!0}return!1});const n=this.editor.editing.view.document,i=e.model.document.selection,o=e.commands.get("blockQuote");this.listenTo(n,"enter",(t,n)=>{i.isCollapsed&&o.value&&i.getLastPosition().parent.isEmpty&&(e.execute("blockQuote"),e.editing.view.scrollToTheSelection(),n.preventDefault(),t.stop())},{context:"blockquote"}),this.listenTo(n,"delete",(t,n)=>{if("backward"!=n.direction||!i.isCollapsed||!o.value)return;const r=i.getLastPosition().parent;r.isEmpty&&!r.previousSibling&&(e.execute("blockQuote"),e.editing.view.scrollToTheSelection(),n.preventDefault(),t.stop())},{context:"blockquote"})}}var Ew=o(1501),Tw={};Tw.setAttributes=po(),Tw.insert=fo().bind(null,"head"),Tw.domAPI=ho(),Tw.insertStyleElement=bo(),co()(Ew.A,Tw),Ew.A&&Ew.A.locals&&Ew.A.locals;class Pw extends eo{static get pluginName(){return"BlockQuoteUI"}init(){const e=this.editor,t=e.t;e.ui.componentFactory.add("blockQuote",n=>{const i=e.commands.get("blockQuote"),o=new Wh(n);return o.set({label:t("Block quote"),icon:_d.quote,tooltip:!0,isToggleable:!0}),o.bind("isOn","isEnabled").to(i,"value","isEnabled"),this.listenTo(o,"execute",()=>{e.execute("blockQuote"),e.editing.view.focus()}),o})}}class Sw extends no{refresh(){const e=this.editor.model,t=e.schema,n=e.document.selection;this.isEnabled=function(e,t,n){const i=function(e,t){const n=function(e,t){const n=e.getSelectedElement();if(n){const i=Dp(e);if(i)return t.createRange(t.createPositionAt(n,i))}return t.schema.findOptimalInsertionRange(e)}(e,t),i=n.start.parent;return i.isEmpty&&!i.is("element","$root")?i.parent:i}(e,n);return t.checkChild(i,"horizontalLine")}(n,t,e)}execute(){const e=this.editor.model;e.change(t=>{const n=t.createElement("horizontalLine");e.insertObject(n,null,null,{setSelection:"after"})})}}var Rw=o(1799),Iw={};Iw.setAttributes=po(),Iw.insert=fo().bind(null,"head"),Iw.domAPI=ho(),Iw.insertStyleElement=bo(),co()(Rw.A,Iw),Rw.A&&Rw.A.locals&&Rw.A.locals;class Ow extends eo{static get pluginName(){return"HorizontalLineEditing"}init(){const e=this.editor,t=e.model.schema,n=e.t,i=e.conversion;t.register("horizontalLine",{inheritAllFrom:"$blockObject"}),i.for("dataDowncast").elementToElement({model:"horizontalLine",view:(e,{writer:t})=>t.createEmptyElement("hr")}),i.for("editingDowncast").elementToStructure({model:"horizontalLine",view:(e,{writer:t})=>{const i=n("Horizontal line"),o=t.createContainerElement("div",null,t.createEmptyElement("hr"));return t.addClass("ck-horizontal-line",o),t.setCustomProperty("hr",!0,o),function(e,t,n){return t.setCustomProperty("horizontalLine",!0,e),Pp(e,t,{label:n})}(o,t,i)}}),i.for("upcast").elementToElement({view:"hr",model:"horizontalLine"}),e.commands.add("horizontalLine",new Sw(e))}}class Mw extends eo{static get pluginName(){return"HorizontalLineUI"}init(){const e=this.editor,t=e.t;e.ui.componentFactory.add("horizontalLine",n=>{const i=e.commands.get("horizontalLine"),o=new Wh(n);return o.set({label:t("Horizontal line"),icon:_d.horizontalLine,tooltip:!0}),o.bind("isEnabled").to(i,"isEnabled"),this.listenTo(o,"execute",()=>{e.execute("horizontalLine"),e.editing.view.focus()}),o})}}function Vw(e,t,n,i,o=1){null!=t&&null!=o&&t>o?i.setAttribute(e,t,n):i.removeAttribute(e,n)}function Nw(e,t,n={}){const i=e.createElement("tableCell",n);return e.insertElement("paragraph",i),e.insert(i,t),i}function Dw(e,t){const n=t.parent.parent,i=parseInt(n.getAttribute("headingColumns")||"0"),{column:o}=e.getCellLocation(t);return!!i&&o<i}function Bw(e){return t=>{t.on(`element:${e}`,(e,t,{writer:n})=>{if(!t.modelRange)return;const i=t.modelRange.start.nodeAfter,o=n.createPositionAt(i,0);if(t.viewItem.isEmpty)return void n.insertElement("paragraph",o);const r=Array.from(i.getChildren());if(r.every(e=>e.is("element","$marker"))){const e=n.createElement("paragraph");n.insert(e,n.createPositionAt(i,0));for(const t of r)n.move(n.createRangeOn(t),n.createPositionAt(e,"end"))}},{priority:"low"})}}function Lw(e){let t=0,n=0;const i=Array.from(e.getChildren()).filter(e=>"th"===e.name||"td"===e.name);for(;n<i.length&&"th"===i[n].name;){const e=i[n];t+=parseInt(e.getAttribute("colspan")||"1"),n++}return t}class Fw{constructor(e,t={}){this._jumpedToStartRow=!1,this._table=e,this._startRow=void 0!==t.row?t.row:t.startRow||0,this._endRow=void 0!==t.row?t.row:t.endRow,this._startColumn=void 0!==t.column?t.column:t.startColumn||0,this._endColumn=void 0!==t.column?t.column:t.endColumn,this._includeAllSlots=!!t.includeAllSlots,this._skipRows=new Set,this._row=0,this._rowIndex=0,this._column=0,this._cellIndex=0,this._spannedCells=new Map,this._nextCellAtColumn=-1}[Symbol.iterator](){return this}next(){this._canJumpToStartRow()&&this._jumpToNonSpannedRowClosestToStartRow();const e=this._table.getChild(this._rowIndex);if(!e||this._isOverEndRow())return{done:!0,value:void 0};if(!e.is("element","tableRow"))return this._rowIndex++,this.next();if(this._isOverEndColumn())return this._advanceToNextRow();let t=null;const n=this._getSpanned();if(n)this._includeAllSlots&&!this._shouldSkipSlot()&&(t=this._formatOutValue(n.cell,n.row,n.column));else{const n=e.getChild(this._cellIndex);if(!n)return this._advanceToNextRow();const i=parseInt(n.getAttribute("colspan")||"1"),o=parseInt(n.getAttribute("rowspan")||"1");(i>1||o>1)&&this._recordSpans(n,o,i),this._shouldSkipSlot()||(t=this._formatOutValue(n)),this._nextCellAtColumn=this._column+i}return this._column++,this._column==this._nextCellAtColumn&&this._cellIndex++,t||this.next()}skipRow(e){this._skipRows.add(e)}_advanceToNextRow(){return this._row++,this._rowIndex++,this._column=0,this._cellIndex=0,this._nextCellAtColumn=-1,this.next()}_isOverEndRow(){return void 0!==this._endRow&&this._row>this._endRow}_isOverEndColumn(){return void 0!==this._endColumn&&this._column>this._endColumn}_formatOutValue(e,t=this._row,n=this._column){return{done:!1,value:new zw(this,e,t,n)}}_shouldSkipSlot(){const e=this._skipRows.has(this._row),t=this._row<this._startRow,n=this._column<this._startColumn,i=void 0!==this._endColumn&&this._column>this._endColumn;return e||t||n||i}_getSpanned(){const e=this._spannedCells.get(this._row);return e&&e.get(this._column)||null}_recordSpans(e,t,n){const i={cell:e,row:this._row,column:this._column};for(let e=this._row;e<this._row+t;e++)for(let t=this._column;t<this._column+n;t++)e==this._row&&t==this._column||this._markSpannedCell(e,t,i)}_markSpannedCell(e,t,n){this._spannedCells.has(e)||this._spannedCells.set(e,new Map),this._spannedCells.get(e).set(t,n)}_canJumpToStartRow(){return!!this._startRow&&this._startRow>0&&!this._jumpedToStartRow}_jumpToNonSpannedRowClosestToStartRow(){const e=this._getRowLength(0);for(let t=this._startRow;!this._jumpedToStartRow;t--)e===this._getRowLength(t)&&(this._row=t,this._rowIndex=t,this._jumpedToStartRow=!0)}_getRowLength(e){return[...this._table.getChild(e).getChildren()].reduce((e,t)=>e+parseInt(t.getAttribute("colspan")||"1"),0)}}class zw{constructor(e,t,n,i){this.cell=t,this.row=e._row,this.column=e._column,this.cellAnchorRow=n,this.cellAnchorColumn=i,this._cellIndex=e._cellIndex,this._rowIndex=e._rowIndex,this._table=e._table}get isAnchor(){return this.row===this.cellAnchorRow&&this.column===this.cellAnchorColumn}get cellWidth(){return parseInt(this.cell.getAttribute("colspan")||"1")}get cellHeight(){return parseInt(this.cell.getAttribute("rowspan")||"1")}get rowIndex(){return this._rowIndex}getPositionBefore(){return this._table.root.document.model.createPositionAt(this._table.getChild(this.row),this._cellIndex)}}function $w(e,t){return(n,{writer:i})=>{const o=n.getAttribute("headingRows")||0,r=i.createContainerElement("table",null,[]),s=i.createContainerElement("figure",{class:"table"},r);o>0&&i.insert(i.createPositionAt(r,"end"),i.createContainerElement("thead",null,i.createSlot(e=>e.is("element","tableRow")&&e.index<o))),o<e.getRows(n)&&i.insert(i.createPositionAt(r,"end"),i.createContainerElement("tbody",null,i.createSlot(e=>e.is("element","tableRow")&&e.index>=o)));for(const{positionOffset:e,filter:n}of t.additionalSlots)i.insert(i.createPositionAt(r,e),i.createSlot(n));return i.insert(i.createPositionAt(r,"after"),i.createSlot(e=>!e.is("element","tableRow")&&!t.additionalSlots.some(({filter:t})=>t(e)))),t.asWidget?function(e,t){return t.setCustomProperty("table",!0,e),Pp(e,t,{hasSelectionHandle:!0})}(s,i):s}}function Hw(e={}){return(t,{writer:n})=>{const i=t.parent,o=i.parent,r=o.getChildIndex(i),s=new Fw(o,{row:r}),a=o.getAttribute("headingRows")||0,c=o.getAttribute("headingColumns")||0;let l=null;for(const i of s)if(i.cell==t){const t=i.row<a||i.column<c?"th":"td";l=e.asWidget?Op(n.createEditableElement(t),n):n.createContainerElement(t);break}return l}}function jw(e={}){return(t,{writer:n})=>{if(!t.parent.is("element","tableCell"))return null;if(!qw(t))return null;if(e.asWidget)return n.createContainerElement("span",{class:"ck-table-bogus-paragraph"});{const e=n.createContainerElement("p");return n.setCustomProperty("dataPipeline:transparentRendering",!0,e),e}}}function qw(e){return 1==e.parent.childCount&&!!e.getAttributeKeys().next().done}class Ww extends no{refresh(){const e=this.editor.model,t=e.document.selection,n=e.schema;this.isEnabled=function(e,t){const n=e.getFirstPosition().parent,i=n===n.root?n:n.parent;return t.checkChild(i,"table")}(t,n)}execute(e={}){const t=this.editor,n=t.model,i=t.plugins.get("TableUtils"),o=t.config.get("table.defaultHeadings.rows"),r=t.config.get("table.defaultHeadings.columns");void 0===e.headingRows&&o&&(e.headingRows=o),void 0===e.headingColumns&&r&&(e.headingColumns=r),n.change(t=>{const o=i.createTable(t,e);n.insertObject(o,null,null,{findOptimalPosition:"auto"}),t.setSelection(t.createPositionAt(o.getNodeByPath([0,0,0]),0))})}}class Uw extends no{constructor(e,t={}){super(e),this.order=t.order||"below"}refresh(){const e=this.editor.model.document.selection,t=!!this.editor.plugins.get("TableUtils").getSelectionAffectedTableCells(e).length;this.isEnabled=t}execute(){const e=this.editor,t=e.model.document.selection,n=e.plugins.get("TableUtils"),i="above"===this.order,o=n.getSelectionAffectedTableCells(t),r=n.getRowIndexes(o),s=i?r.first:r.last,a=o[0].findAncestor("table");n.insertRows(a,{at:i?s:s+1,copyStructureFromAbove:!i})}}class Zw extends no{constructor(e,t={}){super(e),this.order=t.order||"right"}refresh(){const e=this.editor.model.document.selection,t=!!this.editor.plugins.get("TableUtils").getSelectionAffectedTableCells(e).length;this.isEnabled=t}execute(){const e=this.editor,t=e.model.document.selection,n=e.plugins.get("TableUtils"),i="left"===this.order,o=n.getSelectionAffectedTableCells(t),r=n.getColumnIndexes(o),s=i?r.first:r.last,a=o[0].findAncestor("table");n.insertColumns(a,{columns:1,at:i?s:s+1})}}class Kw extends no{constructor(e,t={}){super(e),this.direction=t.direction||"horizontally"}refresh(){const e=this.editor.plugins.get("TableUtils").getSelectionAffectedTableCells(this.editor.model.document.selection);this.isEnabled=1===e.length}execute(){const e=this.editor.plugins.get("TableUtils"),t=e.getSelectionAffectedTableCells(this.editor.model.document.selection)[0];"horizontally"===this.direction?e.splitCellHorizontally(t,2):e.splitCellVertically(t,2)}}function Gw(e,t,n){const{startRow:i,startColumn:o,endRow:r,endColumn:s}=t,a=n.createElement("table"),c=r-i+1;for(let e=0;e<c;e++)n.insertElement("tableRow",a,"end");const l=[...new Fw(e,{startRow:i,endRow:r,startColumn:o,endColumn:s,includeAllSlots:!0})];for(const{row:e,column:t,cell:c,isAnchor:d,cellAnchorRow:h,cellAnchorColumn:u}of l){const l=e-i,f=a.getChild(l);if(d){const i=n.cloneElement(c);n.append(i,f),e_(i,e,t,r,s,n)}else(h<i||u<o)&&Nw(n,n.createPositionAt(f,"end"))}return function(e,t,n,i,o){const r=parseInt(t.getAttribute("headingRows")||"0");r>0&&Vw("headingRows",r-n,e,o,0);const s=parseInt(t.getAttribute("headingColumns")||"0");s>0&&Vw("headingColumns",s-i,e,o,0)}(a,e,i,o,n),a}function Jw(e,t,n=0){const i=[],o=new Fw(e,{startRow:n,endRow:t-1});for(const e of o){const{row:n,cellHeight:o}=e;n<t&&t<=n+o-1&&i.push(e)}return i}function Qw(e,t,n){const i=e.parent,o=i.parent,r=i.index,s=t-r,a={},c=parseInt(e.getAttribute("rowspan"))-s;c>1&&(a.rowspan=c);const l=parseInt(e.getAttribute("colspan")||"1");l>1&&(a.colspan=l);const d=r+s,h=[...new Fw(o,{startRow:r,endRow:d,includeAllSlots:!0})];let u,f=null;for(const t of h){const{row:i,column:o,cell:r}=t;r===e&&void 0===u&&(u=o),void 0!==u&&u===o&&i===d&&(f=Nw(n,t.getPositionBefore(),a))}return Vw("rowspan",s,e,n),f}function Yw(e,t){const n=[],i=new Fw(e);for(const e of i){const{column:i,cellWidth:o}=e;i<t&&t<=i+o-1&&n.push(e)}return n}function Xw(e,t,n,i){const o=n-t,r={},s=parseInt(e.getAttribute("colspan"))-o;s>1&&(r.colspan=s);const a=parseInt(e.getAttribute("rowspan")||"1");a>1&&(r.rowspan=a);const c=Nw(i,i.createPositionAfter(e),r);return Vw("colspan",o,e,i),c}function e_(e,t,n,i,o,r){const s=parseInt(e.getAttribute("colspan")||"1"),a=parseInt(e.getAttribute("rowspan")||"1");n+s-1>o&&Vw("colspan",o-n+1,e,r,1),t+a-1>i&&Vw("rowspan",i-t+1,e,r,1)}function t_(e,t){const n=t.getColumns(e),i=new Array(n).fill(0);for(const{column:t}of new Fw(e))i[t]++;const o=i.reduce((e,t,n)=>t?e:[...e,n],[]);if(o.length>0){const n=o[o.length-1];return t.removeColumns(e,{at:n}),!0}return!1}function n_(e,t){const n=[],i=t.getRows(e);for(let t=0;t<i;t++)e.getChild(t).isEmpty&&n.push(t);if(n.length>0){const i=n[n.length-1];return t.removeRows(e,{at:i}),!0}return!1}function i_(e,t){t_(e,t)||n_(e,t)}function o_(e,t){const n=Array.from(new Fw(e,{startColumn:t.firstColumn,endColumn:t.lastColumn,row:t.lastRow}));if(n.every(({cellHeight:e})=>1===e))return t.lastRow;const i=n[0].cellHeight-1;return t.lastRow+i}function r_(e,t){const n=Array.from(new Fw(e,{startRow:t.firstRow,endRow:t.lastRow,column:t.lastColumn}));if(n.every(({cellWidth:e})=>1===e))return t.lastColumn;const i=n[0].cellWidth-1;return t.lastColumn+i}class s_ extends no{constructor(e,t){super(e),this.direction=t.direction,this.isHorizontal="right"==this.direction||"left"==this.direction}refresh(){const e=this._getMergeableCell();this.value=e,this.isEnabled=!!e}execute(){const e=this.editor.model,t=e.document,n=this.editor.plugins.get("TableUtils").getTableCellsContainingSelection(t.selection)[0],i=this.value,o=this.direction;e.change(e=>{const t="right"==o||"down"==o,r=t?n:i,s=t?i:n,a=s.parent;!function(e,t,n){a_(e)||(a_(t)&&n.remove(n.createRangeIn(t)),n.move(n.createRangeIn(e),n.createPositionAt(t,"end"))),n.remove(e)}(s,r,e);const c=this.isHorizontal?"colspan":"rowspan",l=parseInt(n.getAttribute(c)||"1"),d=parseInt(i.getAttribute(c)||"1");e.setAttribute(c,l+d,r),e.setSelection(e.createRangeIn(r));const h=this.editor.plugins.get("TableUtils");i_(a.findAncestor("table"),h)})}_getMergeableCell(){const e=this.editor.model.document,t=this.editor.plugins.get("TableUtils"),n=t.getTableCellsContainingSelection(e.selection)[0];if(!n)return;const i=this.isHorizontal?function(e,t,n){const i=e.parent.parent,o="right"==t?e.nextSibling:e.previousSibling,r=(i.getAttribute("headingColumns")||0)>0;if(!o)return;const s="right"==t?e:o,a="right"==t?o:e,{column:c}=n.getCellLocation(s),{column:l}=n.getCellLocation(a),d=parseInt(s.getAttribute("colspan")||"1"),h=Dw(n,s),u=Dw(n,a);return r&&h!=u?void 0:c+d===l?o:void 0}(n,this.direction,t):function(e,t,n){const i=e.parent,o=i.parent,r=o.getChildIndex(i);if("down"==t&&r===n.getRows(o)-1||"up"==t&&0===r)return null;const s=parseInt(e.getAttribute("rowspan")||"1"),a=o.getAttribute("headingRows")||0;if(a&&("down"==t&&r+s===a||"up"==t&&r===a))return null;const c=parseInt(e.getAttribute("rowspan")||"1"),l="down"==t?r+c:r,d=[...new Fw(o,{endRow:l})],h=d.find(t=>t.cell===e).column,u=d.find(({row:e,cellHeight:n,column:i})=>i===h&&("down"==t?e===l:l===e+n));return u&&u.cell?u.cell:null}(n,this.direction,t);if(!i)return;const o=this.isHorizontal?"rowspan":"colspan",r=parseInt(n.getAttribute(o)||"1");return parseInt(i.getAttribute(o)||"1")===r?i:void 0}}function a_(e){const t=e.getChild(0);return 1==e.childCount&&t.is("element","paragraph")&&t.isEmpty}class c_ extends no{refresh(){const e=this.editor.plugins.get("TableUtils"),t=e.getSelectionAffectedTableCells(this.editor.model.document.selection),n=t[0];if(n){const i=n.findAncestor("table"),o=e.getRows(i)-1,r=e.getRowIndexes(t),s=0===r.first&&r.last===o;this.isEnabled=!s}else this.isEnabled=!1}execute(){const e=this.editor.model,t=this.editor.plugins.get("TableUtils"),n=t.getSelectionAffectedTableCells(e.document.selection),i=t.getRowIndexes(n),o=n[0],r=o.findAncestor("table"),s=t.getCellLocation(o).column;e.change(e=>{const n=i.last-i.first+1;t.removeRows(r,{at:i.first,rows:n});const o=function(e,t,n,i){const o=e.getChild(Math.min(t,i-1));let r=o.getChild(0),s=0;for(const e of o.getChildren()){if(s>n)return r;r=e,s+=parseInt(e.getAttribute("colspan")||"1")}return r}(r,i.first,s,t.getRows(r));e.setSelection(e.createPositionAt(o,0))})}}class l_ extends no{refresh(){const e=this.editor.plugins.get("TableUtils"),t=e.getSelectionAffectedTableCells(this.editor.model.document.selection),n=t[0];if(n){const i=n.findAncestor("table"),o=e.getColumns(i),{first:r,last:s}=e.getColumnIndexes(t);this.isEnabled=s-r<o-1}else this.isEnabled=!1}execute(){const e=this.editor.plugins.get("TableUtils"),[t,n]=function(e,t){const n=t.getSelectionAffectedTableCells(e),i=n[0],o=n.pop(),r=[i,o];return i.isBefore(o)?r:r.reverse()}(this.editor.model.document.selection,e),i=t.parent.parent,o=[...new Fw(i)],r={first:o.find(e=>e.cell===t).column,last:o.find(e=>e.cell===n).column},s=function(e,t,n,i){return parseInt(n.getAttribute("colspan")||"1")>1?n:t.previousSibling||n.nextSibling?n.nextSibling||t.previousSibling:i.first?e.reverse().find(({column:e})=>e<i.first).cell:e.reverse().find(({column:e})=>e>i.last).cell}(o,t,n,r);this.editor.model.change(t=>{const n=r.last-r.first+1;e.removeColumns(i,{at:r.first,columns:n}),t.setSelection(t.createPositionAt(s,0))})}}class d_ extends no{refresh(){const e=this.editor.plugins.get("TableUtils"),t=this.editor.model,n=e.getSelectionAffectedTableCells(t.document.selection),i=n.length>0;this.isEnabled=i,this.value=i&&n.every(e=>this._isInHeading(e,e.parent.parent))}execute(e={}){if(e.forceValue===this.value)return;const t=this.editor.plugins.get("TableUtils"),n=this.editor.model,i=t.getSelectionAffectedTableCells(n.document.selection),o=i[0].findAncestor("table"),{first:r,last:s}=t.getRowIndexes(i),a=this.value?r:s+1,c=o.getAttribute("headingRows")||0;n.change(e=>{if(a){const t=Jw(o,a,a>c?c:0);for(const{cell:n}of t)Qw(n,a,e)}Vw("headingRows",a,o,e,0)})}_isInHeading(e,t){const n=parseInt(t.getAttribute("headingRows")||"0");return!!n&&e.parent.index<n}}class h_ extends no{refresh(){const e=this.editor.model,t=this.editor.plugins.get("TableUtils"),n=t.getSelectionAffectedTableCells(e.document.selection),i=n.length>0;this.isEnabled=i,this.value=i&&n.every(e=>Dw(t,e))}execute(e={}){if(e.forceValue===this.value)return;const t=this.editor.plugins.get("TableUtils"),n=this.editor.model,i=t.getSelectionAffectedTableCells(n.document.selection),o=i[0].findAncestor("table"),{first:r,last:s}=t.getColumnIndexes(i),a=this.value?r:s+1;n.change(e=>{if(a){const t=Yw(o,a);for(const{cell:n,column:i}of t)Xw(n,i,a,e)}Vw("headingColumns",a,o,e,0)})}}function u_(e){const t=function(e){if(e.is("element","tableColumnGroup"))return e;const t=e.getChildren();return Array.from(t).find(e=>e.is("element","tableColumnGroup"))}(e);return t?Array.from(t.getChildren()):[]}class f_ extends eo{static get pluginName(){return"TableUtils"}init(){this.decorate("insertColumns"),this.decorate("insertRows")}getCellLocation(e){const t=e.parent,n=t.parent,i=n.getChildIndex(t),o=new Fw(n,{row:i});for(const{cell:t,row:n,column:i}of o)if(t===e)return{row:n,column:i}}createTable(e,t){const n=e.createElement("table"),i=t.rows||2,o=t.columns||2;return g_(e,n,0,i,o),t.headingRows&&Vw("headingRows",Math.min(t.headingRows,i),n,e,0),t.headingColumns&&Vw("headingColumns",Math.min(t.headingColumns,o),n,e,0),n}insertRows(e,t={}){const n=this.editor.model,i=t.at||0,o=t.rows||1,r=void 0!==t.copyStructureFromAbove,s=t.copyStructureFromAbove?i-1:i,a=this.getRows(e),c=this.getColumns(e);if(i>a)throw new p("tableutils-insertrows-insert-out-of-range",this,{options:t});n.change(t=>{const n=e.getAttribute("headingRows")||0;if(n>i&&Vw("headingRows",n+o,e,t,0),!r&&(0===i||i===a))return void g_(t,e,i,o,c);const l=r?Math.max(i,s):i,d=new Fw(e,{endRow:l}),h=new Array(c).fill(1);for(const{row:e,column:n,cellHeight:a,cellWidth:c,cell:l}of d){const d=e+a-1,u=e<=s&&s<=d;e<i&&i<=d?(t.setAttribute("rowspan",a+o,l),h[n]=-c):r&&u&&(h[n]=c)}for(let n=0;n<o;n++){const n=t.createElement("tableRow");t.insert(n,e,i);for(let e=0;e<h.length;e++){const i=h[e],o=t.createPositionAt(n,"end");i>0&&Nw(t,o,i>1?{colspan:i}:void 0),e+=Math.abs(i)-1}}})}insertColumns(e,t={}){const n=this.editor.model,i=t.at||0,o=t.columns||1;n.change(t=>{const n=e.getAttribute("headingColumns");i<n&&t.setAttribute("headingColumns",n+o,e);const r=this.getColumns(e);if(0===i||r===i){for(const n of e.getChildren())n.is("element","tableRow")&&p_(o,t,t.createPositionAt(n,i?"end":0));return}const s=new Fw(e,{column:i,includeAllSlots:!0});for(const e of s){const{row:n,cell:r,cellAnchorColumn:a,cellAnchorRow:c,cellWidth:l,cellHeight:d}=e;if(a<i){t.setAttribute("colspan",l+o,r);const e=c+d-1;for(let t=n;t<=e;t++)s.skipRow(t)}else p_(o,t,e.getPositionBefore())}})}removeRows(e,t){const n=this.editor.model,i=t.rows||1,o=this.getRows(e),r=t.at,s=r+i-1;if(s>o-1)throw new p("tableutils-removerows-row-index-out-of-range",this,{table:e,options:t});n.change(t=>{const n={first:r,last:s},{cellsToMove:i,cellsToTrim:o}=function(e,{first:t,last:n}){const i=new Map,o=[];for(const{row:r,column:s,cellHeight:a,cell:c}of new Fw(e,{endRow:n})){const e=r+a-1;if(r>=t&&r<=n&&e>n){const e=a-(n-r+1);i.set(s,{cell:c,rowspan:e})}if(r<t&&e>=t){let i;i=e>=n?n-t+1:e-t+1,o.push({cell:c,rowspan:a-i})}}return{cellsToMove:i,cellsToTrim:o}}(e,n);i.size&&function(e,t,n,i){const o=[...new Fw(e,{includeAllSlots:!0,row:t})],r=e.getChild(t);let s;for(const{column:e,cell:t,isAnchor:a}of o)if(n.has(e)){const{cell:t,rowspan:o}=n.get(e),a=s?i.createPositionAfter(s):i.createPositionAt(r,0);i.move(i.createRangeOn(t),a),Vw("rowspan",o,t,i),s=t}else a&&(s=t)}(e,s+1,i,t);for(let n=s;n>=r;n--)t.remove(e.getChild(n));for(const{rowspan:e,cell:n}of o)Vw("rowspan",e,n,t);!function(e,{first:t,last:n},i){const o=e.getAttribute("headingRows")||0;t<o&&Vw("headingRows",n<o?o-(n-t+1):t,e,i,0)}(e,n,t),t_(e,this)||n_(e,this)})}removeColumns(e,t){const n=this.editor.model,i=t.at,o=t.columns||1,r=t.at+o-1;n.change(t=>{!function(e,t,n){const i=e.getAttribute("headingColumns")||0;if(i&&t.first<i){const o=Math.min(i-1,t.last)-t.first+1;n.setAttribute("headingColumns",i-o,e)}}(e,{first:i,last:r},t);const n=u_(e);for(let o=r;o>=i;o--){for(const{cell:n,column:i,cellWidth:r}of[...new Fw(e)])i<=o&&r>1&&i+r>o?Vw("colspan",r-1,n,t):i===o&&t.remove(n);if(n[o]){const e=0===o?n[1]:n[o-1],i=parseFloat(n[o].getAttribute("columnWidth")),r=parseFloat(e.getAttribute("columnWidth"));t.remove(n[o]),t.setAttribute("columnWidth",i+r+"%",e)}}n_(e,this)||t_(e,this)})}splitCellVertically(e,t=2){const n=this.editor.model,i=e.parent.parent,o=parseInt(e.getAttribute("rowspan")||"1"),r=parseInt(e.getAttribute("colspan")||"1");n.change(n=>{if(r>1){const{newCellsSpan:i,updatedSpan:s}=m_(r,t);Vw("colspan",s,e,n);const a={};i>1&&(a.colspan=i),o>1&&(a.rowspan=o),p_(r>t?t-1:r-1,n,n.createPositionAfter(e),a)}if(r<t){const s=t-r,a=[...new Fw(i)],{column:c}=a.find(({cell:t})=>t===e),l=a.filter(({cell:t,cellWidth:n,column:i})=>t!==e&&i===c||i<c&&i+n>c);for(const{cell:e,cellWidth:t}of l)n.setAttribute("colspan",t+s,e);const d={};o>1&&(d.rowspan=o),p_(s,n,n.createPositionAfter(e),d);const h=i.getAttribute("headingColumns")||0;h>c&&Vw("headingColumns",h+s,i,n)}})}splitCellHorizontally(e,t=2){const n=this.editor.model,i=e.parent,o=i.parent,r=o.getChildIndex(i),s=parseInt(e.getAttribute("rowspan")||"1"),a=parseInt(e.getAttribute("colspan")||"1");n.change(n=>{if(s>1){const i=[...new Fw(o,{startRow:r,endRow:r+s-1,includeAllSlots:!0})],{newCellsSpan:c,updatedSpan:l}=m_(s,t);Vw("rowspan",l,e,n);const{column:d}=i.find(({cell:t})=>t===e),h={};c>1&&(h.rowspan=c),a>1&&(h.colspan=a);for(const e of i){const{column:t,row:i}=e;i>=r+l&&t===d&&(i+r+l)%c===0&&p_(1,n,e.getPositionBefore(),h)}}if(s<t){const i=t-s,c=[...new Fw(o,{startRow:0,endRow:r})];for(const{cell:t,cellHeight:o,row:s}of c)if(t!==e&&s+o>r){const e=o+i;n.setAttribute("rowspan",e,t)}const l={};a>1&&(l.colspan=a),g_(n,o,r+1,i,1,l);const d=o.getAttribute("headingRows")||0;d>r&&Vw("headingRows",d+i,o,n)}})}getColumns(e){return[...e.getChild(0).getChildren()].filter(e=>e.is("element","tableCell")).reduce((e,t)=>e+parseInt(t.getAttribute("colspan")||"1"),0)}getRows(e){return Array.from(e.getChildren()).reduce((e,t)=>t.is("element","tableRow")?e+1:e,0)}createTableWalker(e,t={}){return new Fw(e,t)}getSelectedTableCells(e){const t=[];for(const n of this.sortRanges(e.getRanges())){const e=n.getContainedElement();e&&e.is("element","tableCell")&&t.push(e)}return t}getTableCellsContainingSelection(e){const t=[];for(const n of e.getRanges()){const e=n.start.findAncestor("tableCell");e&&t.push(e)}return t}getSelectionAffectedTableCells(e){const t=this.getSelectedTableCells(e);return t.length?t:this.getTableCellsContainingSelection(e)}getRowIndexes(e){const t=e.map(e=>e.parent.index);return this._getFirstLastIndexesObject(t)}getColumnIndexes(e){const t=e[0].findAncestor("table"),n=[...new Fw(t)].filter(t=>e.includes(t.cell)).map(e=>e.column);return this._getFirstLastIndexesObject(n)}isSelectionRectangular(e){if(e.length<2||!this._areCellInTheSameTableSection(e))return!1;const t=new Set,n=new Set;let i=0;for(const o of e){const{row:e,column:r}=this.getCellLocation(o),s=parseInt(o.getAttribute("rowspan"))||1,a=parseInt(o.getAttribute("colspan"))||1;t.add(e),n.add(r),s>1&&t.add(e+s-1),a>1&&n.add(r+a-1),i+=s*a}const o=function(e,t){const n=Array.from(e.values()),i=Array.from(t.values());return(Math.max(...n)-Math.min(...n)+1)*(Math.max(...i)-Math.min(...i)+1)}(t,n);return o==i}sortRanges(e){return Array.from(e).sort(b_)}_getFirstLastIndexesObject(e){const t=e.sort((e,t)=>e-t);return{first:t[0],last:t[t.length-1]}}_areCellInTheSameTableSection(e){const t=e[0].findAncestor("table"),n=this.getRowIndexes(e),i=parseInt(t.getAttribute("headingRows"))||0;if(!this._areIndexesInSameSection(n,i))return!1;const o=this.getColumnIndexes(e),r=parseInt(t.getAttribute("headingColumns"))||0;return this._areIndexesInSameSection(o,r)}_areIndexesInSameSection({first:e,last:t},n){return e<n==t<n}}function g_(e,t,n,i,o,r={}){for(let s=0;s<i;s++){const i=e.createElement("tableRow");e.insert(i,t,n),p_(o,e,e.createPositionAt(i,"end"),r)}}function p_(e,t,n,i={}){for(let o=0;o<e;o++)Nw(t,n,i)}function m_(e,t){if(e<t)return{newCellsSpan:1,updatedSpan:1};const n=Math.floor(e/t);return{newCellsSpan:n,updatedSpan:e-n*t+n}}function b_(e,t){const n=e.start,i=t.start;return n.isBefore(i)?-1:1}class k_ extends no{refresh(){const e=this.editor.plugins.get(f_),t=e.getSelectedTableCells(this.editor.model.document.selection);this.isEnabled=e.isSelectionRectangular(t)}execute(){const e=this.editor.model,t=this.editor.plugins.get(f_);e.change(n=>{const i=t.getSelectedTableCells(e.document.selection),o=i.shift(),{mergeWidth:r,mergeHeight:s}=function(e,t,n){let i=0,o=0;for(const e of t){const{row:t,column:r}=n.getCellLocation(e);i=v_(e,r,i,"colspan"),o=v_(e,t,o,"rowspan")}const{row:r,column:s}=n.getCellLocation(e);return{mergeWidth:i-s,mergeHeight:o-r}}(o,i,t);Vw("colspan",r,o,n),Vw("rowspan",s,o,n);for(const e of i)w_(e,o,n);i_(o.findAncestor("table"),t),n.setSelection(o,"in")})}}function w_(e,t,n){__(e)||(__(t)&&n.remove(n.createRangeIn(t)),n.move(n.createRangeIn(e),n.createPositionAt(t,"end"))),n.remove(e)}function __(e){const t=e.getChild(0);return 1==e.childCount&&t.is("element","paragraph")&&t.isEmpty}function v_(e,t,n,i){const o=parseInt(e.getAttribute(i)||"1");return Math.max(n,t+o)}class y_ extends no{constructor(e){super(e),this.affectsData=!1}refresh(){const e=this.editor.plugins.get("TableUtils").getSelectionAffectedTableCells(this.editor.model.document.selection);this.isEnabled=e.length>0}execute(){const e=this.editor.model,t=this.editor.plugins.get("TableUtils"),n=t.getSelectionAffectedTableCells(e.document.selection),i=t.getRowIndexes(n),o=n[0].findAncestor("table"),r=[];for(let t=i.first;t<=i.last;t++)for(const n of o.getChild(t).getChildren())r.push(e.createRangeOn(n));e.change(e=>{e.setSelection(r)})}}class x_ extends no{constructor(e){super(e),this.affectsData=!1}refresh(){const e=this.editor.plugins.get("TableUtils").getSelectionAffectedTableCells(this.editor.model.document.selection);this.isEnabled=e.length>0}execute(){const e=this.editor.plugins.get("TableUtils"),t=this.editor.model,n=e.getSelectionAffectedTableCells(t.document.selection),i=n[0],o=n.pop(),r=i.findAncestor("table"),s=e.getCellLocation(i),a=e.getCellLocation(o),c=Math.min(s.column,a.column),l=Math.max(s.column,a.column),d=[];for(const e of new Fw(r,{startColumn:c,endColumn:l}))d.push(t.createRangeOn(e.cell));t.change(e=>{e.setSelection(d)})}}function A_(e,t){let n=!1;const i=function(e){const t=parseInt(e.getAttribute("headingRows")||"0"),n=Array.from(e.getChildren()).reduce((e,t)=>t.is("element","tableRow")?e+1:e,0),i=[];for(const{row:o,cell:r,cellHeight:s}of new Fw(e)){if(s<2)continue;const e=o<t?t:n;if(o+s>e){const t=e-o;i.push({cell:r,rowspan:t})}}return i}(e);if(i.length){n=!0;for(const e of i)Vw("rowspan",e.rowspan,e.cell,t,1)}return n}function C_(e,t){let n=!1;const i=function(e){const t=new Array(e.childCount).fill(0);for(const{rowIndex:n}of new Fw(e,{includeAllSlots:!0}))t[n]++;return t}(e),o=[];for(const[t,n]of i.entries())!n&&e.getChild(t).is("element","tableRow")&&o.push(t);if(o.length){n=!0;for(const n of o.reverse())t.remove(e.getChild(n)),i.splice(n,1)}const r=i.filter((t,n)=>e.getChild(n).is("element","tableRow")),s=r[0];if(!r.every(e=>e===s)){const i=r.reduce((e,t)=>t>e?t:e,0);for(const[o,s]of r.entries()){const r=i-s;if(r){for(let n=0;n<r;n++)Nw(t,t.createPositionAt(e.getChild(o),"end"));n=!0}}}return n}function E_(e){if("attribute"!==e.type)return!1;const t=e.attributeKey;return"headingRows"===t||"colspan"===t||"rowspan"===t}function T_(e,t){let n=!1;for(const i of e.getChildren())i.is("element","tableRow")&&(n=P_(i,t)||n);return n}function P_(e,t){let n=!1;for(const i of e.getChildren())n=S_(i,t)||n;return n}function S_(e,t){if(0==e.childCount)return t.insertElement("paragraph",e),!0;const n=Array.from(e.getChildren()).filter(e=>e.is("$text"));for(const e of n)t.wrap(t.createRangeOn(e),"paragraph");return!!n.length}function R_(e){return!!e.position.parent.is("element","tableCell")&&("insert"==e.type&&"$text"==e.name||"remove"==e.type)}function I_(e,t){if(!e.is("element","paragraph"))return!1;const n=t.toViewElement(e);return!!n&&qw(e)!==n.is("element","span")}var O_=o(8864),M_={};M_.setAttributes=po(),M_.insert=fo().bind(null,"head"),M_.domAPI=ho(),M_.insertStyleElement=bo(),co()(O_.A,M_),O_.A&&O_.A.locals&&O_.A.locals;class V_ extends eo{static get pluginName(){return"TableEditing"}static get requires(){return[f_]}constructor(e){super(e),this._additionalSlots=[]}init(){const e=this.editor,t=e.model,n=t.schema,i=e.conversion,o=e.plugins.get(f_);n.register("table",{inheritAllFrom:"$blockObject",allowAttributes:["headingRows","headingColumns"]}),n.register("tableRow",{allowIn:"table",isLimit:!0}),n.register("tableCell",{allowContentOf:"$container",allowIn:"tableRow",allowAttributes:["colspan","rowspan"],isLimit:!0,isSelectable:!0}),i.for("upcast").add(e=>{e.on("element:figure",(e,t,n)=>{if(!n.consumable.test(t.viewItem,{name:!0,classes:"table"}))return;const i=function(e){for(const t of e.getChildren())if(t.is("element","table"))return t}(t.viewItem);if(!i||!n.consumable.test(i,{name:!0}))return;n.consumable.consume(t.viewItem,{name:!0,classes:"table"});const o=Wi(n.convertItem(i,t.modelCursor).modelRange.getItems());o?(n.convertChildren(t.viewItem,n.writer.createPositionAt(o,"end")),n.updateConversionResult(o,t)):n.consumable.revert(t.viewItem,{name:!0,classes:"table"})})}),i.for("upcast").add(e=>{e.on("element:table",(e,t,n)=>{const i=t.viewItem;if(!n.consumable.test(i,{name:!0}))return;const{rows:o,headingRows:r,headingColumns:s}=function(e){let t,n=0;const i=[],o=[];let r;for(const s of Array.from(e.getChildren())){if("tbody"!==s.name&&"thead"!==s.name&&"tfoot"!==s.name)continue;"thead"!==s.name||r||(r=s);const e=Array.from(s.getChildren()).filter(e=>e.is("element","tr"));for(const a of e)if(r&&s===r||"tbody"===s.name&&Array.from(a.getChildren()).length&&Array.from(a.getChildren()).every(e=>e.is("element","th")))n++,i.push(a);else{o.push(a);const e=Lw(a);(!t||e<t)&&(t=e)}}return{headingRows:n,headingColumns:t||0,rows:[...i,...o]}}(i),a={};s&&(a.headingColumns=s),r&&(a.headingRows=r);const c=n.writer.createElement("table",a);if(n.safeInsert(c,t.modelCursor)){if(n.consumable.consume(i,{name:!0}),o.forEach(e=>n.convertItem(e,n.writer.createPositionAt(c,"end"))),n.convertChildren(i,n.writer.createPositionAt(c,"end")),c.isEmpty){const e=n.writer.createElement("tableRow");n.writer.insert(e,n.writer.createPositionAt(c,"end")),Nw(n.writer,n.writer.createPositionAt(e,"end"))}n.updateConversionResult(c,t)}})}),i.for("editingDowncast").elementToStructure({model:{name:"table",attributes:["headingRows"]},view:$w(o,{asWidget:!0,additionalSlots:this._additionalSlots})}),i.for("dataDowncast").elementToStructure({model:{name:"table",attributes:["headingRows"]},view:$w(o,{additionalSlots:this._additionalSlots})}),i.for("upcast").elementToElement({model:"tableRow",view:"tr"}),i.for("upcast").add(e=>{e.on("element:tr",(e,t)=>{t.viewItem.isEmpty&&0==t.modelCursor.index&&e.stop()},{priority:"high"})}),i.for("downcast").elementToElement({model:"tableRow",view:(e,{writer:t})=>e.isEmpty?t.createEmptyElement("tr"):t.createContainerElement("tr")}),i.for("upcast").elementToElement({model:"tableCell",view:"td"}),i.for("upcast").elementToElement({model:"tableCell",view:"th"}),i.for("upcast").add(Bw("td")),i.for("upcast").add(Bw("th")),i.for("editingDowncast").elementToElement({model:"tableCell",view:Hw({asWidget:!0})}),i.for("dataDowncast").elementToElement({model:"tableCell",view:Hw()}),i.for("editingDowncast").elementToElement({model:"paragraph",view:jw({asWidget:!0}),converterPriority:"high"}),i.for("dataDowncast").elementToElement({model:"paragraph",view:jw(),converterPriority:"high"}),i.for("downcast").attributeToAttribute({model:"colspan",view:"colspan"}),i.for("upcast").attributeToAttribute({model:{key:"colspan",value:N_("colspan")},view:"colspan"}),i.for("downcast").attributeToAttribute({model:"rowspan",view:"rowspan"}),i.for("upcast").attributeToAttribute({model:{key:"rowspan",value:N_("rowspan")},view:"rowspan"}),e.config.define("table.defaultHeadings.rows",0),e.config.define("table.defaultHeadings.columns",0),e.commands.add("insertTable",new Ww(e)),e.commands.add("insertTableRowAbove",new Uw(e,{order:"above"})),e.commands.add("insertTableRowBelow",new Uw(e,{order:"below"})),e.commands.add("insertTableColumnLeft",new Zw(e,{order:"left"})),e.commands.add("insertTableColumnRight",new Zw(e,{order:"right"})),e.commands.add("removeTableRow",new c_(e)),e.commands.add("removeTableColumn",new l_(e)),e.commands.add("splitTableCellVertically",new Kw(e,{direction:"vertically"})),e.commands.add("splitTableCellHorizontally",new Kw(e,{direction:"horizontally"})),e.commands.add("mergeTableCells",new k_(e)),e.commands.add("mergeTableCellRight",new s_(e,{direction:"right"})),e.commands.add("mergeTableCellLeft",new s_(e,{direction:"left"})),e.commands.add("mergeTableCellDown",new s_(e,{direction:"down"})),e.commands.add("mergeTableCellUp",new s_(e,{direction:"up"})),e.commands.add("setTableColumnHeader",new h_(e)),e.commands.add("setTableRowHeader",new d_(e)),e.commands.add("selectTableRow",new y_(e)),e.commands.add("selectTableColumn",new x_(e)),function(e){e.document.registerPostFixer(t=>function(e,t){const n=t.document.differ.getChanges();let i=!1;const o=new Set;for(const t of n){let n=null;"insert"==t.type&&"table"==t.name&&(n=t.position.nodeAfter),"insert"!=t.type&&"remove"!=t.type||"tableRow"!=t.name&&"tableCell"!=t.name||(n=t.position.findAncestor("table")),E_(t)&&(n=t.range.start.findAncestor("table")),n&&!o.has(n)&&(i=A_(n,e)||i,i=C_(n,e)||i,o.add(n))}return i}(t,e))}(t),function(e){e.document.registerPostFixer(t=>function(e,t){const n=t.document.differ.getChanges();let i=!1;for(const t of n)"insert"==t.type&&"table"==t.name&&(i=T_(t.position.nodeAfter,e)||i),"insert"==t.type&&"tableRow"==t.name&&(i=P_(t.position.nodeAfter,e)||i),"insert"==t.type&&"tableCell"==t.name&&(i=S_(t.position.nodeAfter,e)||i),"remove"!=t.type&&"insert"!=t.type||!R_(t)||(i=S_(t.position.parent,e)||i);return i}(t,e))}(t),this.listenTo(t.document,"change:data",()=>{!function(e,t){const n=e.document.differ;for(const e of n.getChanges()){let n,i=!1;if("attribute"==e.type){const t=e.range.start.nodeAfter;if(!t||!t.is("element","table"))continue;if("headingRows"!=e.attributeKey&&"headingColumns"!=e.attributeKey)continue;n=t,i="headingRows"==e.attributeKey}else"tableRow"!=e.name&&"tableCell"!=e.name||(n=e.position.findAncestor("table"),i="tableRow"==e.name);if(!n)continue;const o=n.getAttribute("headingRows")||0,r=n.getAttribute("headingColumns")||0,s=new Fw(n);for(const e of s){const n=e.row<o||e.column<r?"th":"td",s=t.mapper.toViewElement(e.cell);s&&s.is("element")&&s.name!=n&&t.reconvertItem(i?e.cell.parent:e.cell)}}}(t,e.editing),function(e,t){const n=e.document.differ,i=new Set;for(const e of n.getChanges()){const t="attribute"==e.type?e.range.start.parent:e.position.parent;t.is("element","tableCell")&&i.add(t)}for(const e of i.values()){const n=Array.from(e.getChildren()).filter(e=>I_(e,t.mapper));for(const e of n)t.reconvertItem(e)}}(t,e.editing)})}registerAdditionalSlot(e){this._additionalSlots.push(e)}}function N_(e){return t=>{const n=parseInt(t.getAttribute(e));return Number.isNaN(n)||n<=0?null:n}}var D_=o(8603),B_={};B_.setAttributes=po(),B_.insert=fo().bind(null,"head"),B_.domAPI=ho(),B_.insertStyleElement=bo(),co()(D_.A,B_),D_.A&&D_.A.locals&&D_.A.locals;class L_ extends Th{constructor(e){super(e);const t=this.bindTemplate;this.items=this._createGridCollection(),this.keystrokes=new Zi,this.focusTracker=new Ui,this.set("rows",0),this.set("columns",0),this.bind("label").to(this,"columns",this,"rows",(e,t)=>`${t} × ${e}`),this.setTemplate({tag:"div",attributes:{class:["ck"]},children:[{tag:"div",attributes:{class:["ck-insert-table-dropdown__grid"]},on:{"mouseover@.ck-insert-table-dropdown-grid-box":t.to("boxover")},children:this.items},{tag:"div",attributes:{class:["ck","ck-insert-table-dropdown__label"],"aria-hidden":!0},children:[{text:t.to("label")}]}],on:{mousedown:t.to(e=>{e.preventDefault()}),click:t.to(()=>{this.fire("execute")})}}),this.on("boxover",(e,t)=>{const{row:n,column:i}=t.target.dataset;this.items.get(10*(parseInt(n,10)-1)+(parseInt(i,10)-1)).focus()}),this.focusTracker.on("change:focusedElement",(e,t,n)=>{if(!n)return;const{row:i,column:o}=n.dataset;this.set({rows:parseInt(i),columns:parseInt(o)})}),this.on("change:columns",()=>this._highlightGridBoxes()),this.on("change:rows",()=>this._highlightGridBoxes())}render(){super.render(),function({keystrokeHandler:e,focusTracker:t,gridItems:n,numberOfColumns:i,uiLanguageDirection:o}){const r="number"==typeof i?()=>i:i;function s(e){return i=>{const o=n.find(e=>e.element===t.focusedElement),r=n.getIndex(o),s=e(r,n);n.get(s).focus(),i.stopPropagation(),i.preventDefault()}}function a(e,t){return e===t-1?0:e+1}function c(e,t){return 0===e?t-1:e-1}e.set("arrowright",s((e,t)=>"rtl"===o?c(e,t.length):a(e,t.length))),e.set("arrowleft",s((e,t)=>"rtl"===o?a(e,t.length):c(e,t.length))),e.set("arrowup",s((e,t)=>{let n=e-r();return n<0&&(n=e+r()*Math.floor(t.length/r()),n>t.length-1&&(n-=r())),n})),e.set("arrowdown",s((e,t)=>{let n=e+r();return n>t.length-1&&(n=e%r()),n}))}({keystrokeHandler:this.keystrokes,focusTracker:this.focusTracker,gridItems:this.items,numberOfColumns:10,uiLanguageDirection:this.locale&&this.locale.uiLanguageDirection});for(const e of this.items)this.focusTracker.add(e.element);this.keystrokes.listenTo(this.element)}focus(){this.items.get(0).focus()}focusLast(){this.items.get(0).focus()}_highlightGridBoxes(){const e=this.rows,t=this.columns;this.items.map((n,i)=>{const o=Math.floor(i/10)<e&&i%10<t;n.set("isOn",o)})}_createGridButton(e,t,n,i){const o=new Wh(e);return o.set({label:i,class:"ck-insert-table-dropdown-grid-box"}),o.extendTemplate({attributes:{"data-row":t,"data-column":n}}),o}_createGridCollection(){const e=[];for(let t=0;t<100;t++){const n=Math.floor(t/10),i=t%10,o=`${n+1} × ${i+1}`;e.push(this._createGridButton(this.locale,n+1,i+1,o))}return this.createCollection(e)}}class F_ extends eo{static get pluginName(){return"TableUI"}init(){const e=this.editor,t=this.editor.t,n="ltr"===e.locale.contentLanguageDirection;e.ui.componentFactory.add("insertTable",n=>{const i=e.commands.get("insertTable"),o=ju(n);let r;return o.bind("isEnabled").to(i),o.buttonView.set({icon:_d.table,label:t("Insert table"),tooltip:!0}),o.on("change:isOpen",()=>{r||(r=new L_(n),o.panelView.children.add(r),r.delegate("execute").to(o),o.on("execute",()=>{e.execute("insertTable",{rows:r.rows,columns:r.columns}),e.editing.view.focus()}))}),o}),e.ui.componentFactory.add("tableColumn",e=>{const i=[{type:"switchbutton",model:{commandName:"setTableColumnHeader",label:t("Header column"),bindIsOn:!0}},{type:"separator"},{type:"button",model:{commandName:n?"insertTableColumnLeft":"insertTableColumnRight",label:t("Insert column left")}},{type:"button",model:{commandName:n?"insertTableColumnRight":"insertTableColumnLeft",label:t("Insert column right")}},{type:"button",model:{commandName:"removeTableColumn",label:t("Delete column")}},{type:"button",model:{commandName:"selectTableColumn",label:t("Select column")}}];return this._prepareDropdown(t("Column"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2.5 1h15A1.5 1.5 0 0 1 19 2.5v15a1.5 1.5 0 0 1-1.5 1.5h-15A1.5 1.5 0 0 1 1 17.5v-15A1.5 1.5 0 0 1 2.5 1zM2 2v16h16V2H2z" opacity=".6"/><path d="M18 7v1H2V7h16zm0 5v1H2v-1h16z" opacity=".6"/><path d="M14 1v18a1 1 0 0 1-1 1H7a1 1 0 0 1-1-1V1a1 1 0 0 1 1-1h6a1 1 0 0 1 1 1zm-2 1H8v4h4V2zm0 6H8v4h4V8zm0 6H8v4h4v-4z"/></svg>',i,e)}),e.ui.componentFactory.add("tableRow",e=>{const n=[{type:"switchbutton",model:{commandName:"setTableRowHeader",label:t("Header row"),bindIsOn:!0}},{type:"separator"},{type:"button",model:{commandName:"insertTableRowAbove",label:t("Insert row above")}},{type:"button",model:{commandName:"insertTableRowBelow",label:t("Insert row below")}},{type:"button",model:{commandName:"removeTableRow",label:t("Delete row")}},{type:"button",model:{commandName:"selectTableRow",label:t("Select row")}}];return this._prepareDropdown(t("Row"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2.5 1h15A1.5 1.5 0 0 1 19 2.5v15a1.5 1.5 0 0 1-1.5 1.5h-15A1.5 1.5 0 0 1 1 17.5v-15A1.5 1.5 0 0 1 2.5 1zM2 2v16h16V2H2z" opacity=".6"/><path d="M7 2h1v16H7V2zm5 0h1v16h-1V2z" opacity=".6"/><path d="M1 6h18a1 1 0 0 1 1 1v6a1 1 0 0 1-1 1H1a1 1 0 0 1-1-1V7a1 1 0 0 1 1-1zm1 2v4h4V8H2zm6 0v4h4V8H8zm6 0v4h4V8h-4z"/></svg>',n,e)}),e.ui.componentFactory.add("mergeTableCells",e=>{const i=[{type:"button",model:{commandName:"mergeTableCellUp",label:t("Merge cell up")}},{type:"button",model:{commandName:n?"mergeTableCellRight":"mergeTableCellLeft",label:t("Merge cell right")}},{type:"button",model:{commandName:"mergeTableCellDown",label:t("Merge cell down")}},{type:"button",model:{commandName:n?"mergeTableCellLeft":"mergeTableCellRight",label:t("Merge cell left")}},{type:"separator"},{type:"button",model:{commandName:"splitTableCellVertically",label:t("Split cell vertically")}},{type:"button",model:{commandName:"splitTableCellHorizontally",label:t("Split cell horizontally")}}];return this._prepareMergeSplitButtonDropdown(t("Merge cells"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2.5 1h15A1.5 1.5 0 0 1 19 2.5v15a1.5 1.5 0 0 1-1.5 1.5h-15A1.5 1.5 0 0 1 1 17.5v-15A1.5 1.5 0 0 1 2.5 1zM2 2v16h16V2H2z" opacity=".6"/><path d="M7 2h1v16H7V2zm5 0h1v7h-1V2zm6 5v1H2V7h16zM8 12v1H2v-1h6z" opacity=".6"/><path d="M7 7h12a1 1 0 0 1 1 1v11a1 1 0 0 1-1 1H7a1 1 0 0 1-1-1V8a1 1 0 0 1 1-1zm1 2v9h10V9H8z"/></svg>',i,e)})}_prepareDropdown(e,t,n,i){const o=this.editor,r=ju(i),s=this._fillDropdownWithListOptions(r,n);return r.buttonView.set({label:e,icon:t,tooltip:!0}),r.bind("isEnabled").toMany(s,"isEnabled",(...e)=>e.some(e=>e)),this.listenTo(r,"execute",e=>{o.execute(e.source.commandName),e.source instanceof Kh||o.editing.view.focus()}),r}_prepareMergeSplitButtonDropdown(e,t,n,i){const o=this.editor,r=ju(i,Lu),s="mergeTableCells",a=o.commands.get(s),c=this._fillDropdownWithListOptions(r,n);return r.buttonView.set({label:e,icon:t,tooltip:!0,isEnabled:!0}),r.bind("isEnabled").toMany([a,...c],"isEnabled",(...e)=>e.some(e=>e)),this.listenTo(r.buttonView,"execute",()=>{o.execute(s),o.editing.view.focus()}),this.listenTo(r,"execute",e=>{o.execute(e.source.commandName),o.editing.view.focus()}),r}_fillDropdownWithListOptions(e,t){const n=this.editor,i=[],o=new qi;for(const e of t)z_(e,n,i,o);return Uu(e,o),i}}function z_(e,t,n,i){if("button"===e.type||"switchbutton"===e.type){const i=e.model=new ng(e.model),{commandName:o,bindIsOn:r}=e.model,s=t.commands.get(o);n.push(s),i.set({commandName:o}),i.bind("isEnabled").to(s),r&&i.bind("isOn").to(s,"value"),i.set({withText:!0})}i.add(e)}var $_=o(2850),H_={};H_.setAttributes=po(),H_.insert=fo().bind(null,"head"),H_.domAPI=ho(),H_.insertStyleElement=bo(),co()($_.A,H_),$_.A&&$_.A.locals&&$_.A.locals;class j_ extends eo{static get pluginName(){return"TableSelection"}static get requires(){return[f_,f_]}init(){const e=this.editor,t=e.model,n=e.editing.view;this.listenTo(t,"deleteContent",(e,t)=>this._handleDeleteContent(e,t),{priority:"high"}),this.listenTo(n.document,"insertText",(e,t)=>this._handleInsertTextEvent(e,t),{priority:"high"}),this._defineSelectionConverter(),this._enablePluginDisabling()}getSelectedTableCells(){const e=this.editor.plugins.get(f_),t=this.editor.model.document.selection,n=e.getSelectedTableCells(t);return 0==n.length?null:n}getSelectionAsFragment(){const e=this.editor.plugins.get(f_),t=this.getSelectedTableCells();return t?this.editor.model.change(n=>{const i=n.createDocumentFragment(),{first:o,last:r}=e.getColumnIndexes(t),{first:s,last:a}=e.getRowIndexes(t),c=t[0].findAncestor("table");let l=a,d=r;if(e.isSelectionRectangular(t)){const e={firstColumn:o,lastColumn:r,firstRow:s,lastRow:a};l=o_(c,e),d=r_(c,e)}const h=Gw(c,{startRow:s,startColumn:o,endRow:l,endColumn:d},n);return n.insert(h,i,0),i}):null}setCellSelection(e,t){const n=this._getCellsToSelect(e,t);this.editor.model.change(e=>{e.setSelection(n.cells.map(t=>e.createRangeOn(t)),{backward:n.backward})})}getFocusCell(){const e=[...this.editor.model.document.selection.getRanges()].pop().getContainedElement();return e&&e.is("element","tableCell")?e:null}getAnchorCell(){const e=Wi(this.editor.model.document.selection.getRanges()).getContainedElement();return e&&e.is("element","tableCell")?e:null}_defineSelectionConverter(){const e=this.editor,t=new Set;e.conversion.for("editingDowncast").add(e=>e.on("selection",(e,n,i)=>{const o=i.writer;!function(e){for(const n of t)e.removeClass("ck-editor__editable_selected",n);t.clear()}(o);const r=this.getSelectedTableCells();if(!r)return;for(const e of r){const n=i.mapper.toViewElement(e);o.addClass("ck-editor__editable_selected",n),t.add(n)}const s=i.mapper.toViewElement(r[r.length-1]);o.setSelection(s,0)},{priority:"lowest"}))}_enablePluginDisabling(){const e=this.editor;this.on("change:isEnabled",()=>{if(!this.isEnabled){const t=this.getSelectedTableCells();if(!t)return;e.model.change(n=>{const i=n.createPositionAt(t[0],0),o=e.model.schema.getNearestSelectionRange(i);n.setSelection(o)})}})}_handleDeleteContent(e,t){const n=this.editor.plugins.get(f_),i=t[0],o=t[1],r=this.editor.model,s=!o||"backward"==o.direction,a=n.getSelectedTableCells(i);a.length&&(e.stop(),r.change(e=>{const t=a[s?a.length-1:0];r.change(e=>{for(const t of a)r.deleteContent(e.createSelection(t,"in"))});const n=r.schema.getNearestSelectionRange(e.createPositionAt(t,0));i.is("documentSelection")?e.setSelection(n):i.setTo(n)}))}_handleInsertTextEvent(e,t){const n=this.editor,i=this.getSelectedTableCells();if(!i)return;const o=n.editing.view,r=n.editing.mapper,s=i.map(e=>o.createRangeOn(r.toViewElement(e)));t.selection=o.createSelection(s)}_getCellsToSelect(e,t){const n=this.editor.plugins.get("TableUtils"),i=n.getCellLocation(e),o=n.getCellLocation(t),r=Math.min(i.row,o.row),s=Math.max(i.row,o.row),a=Math.min(i.column,o.column),c=Math.max(i.column,o.column),l=new Array(s-r+1).fill(null).map(()=>[]),d={startRow:r,endRow:s,startColumn:a,endColumn:c};for(const{row:t,cell:n}of new Fw(e.findAncestor("table"),d))l[t-r].push(n);const h=o.row<i.row,u=o.column<i.column;return h&&l.reverse(),u&&l.forEach(e=>e.reverse()),{cells:l.flat(),backward:h||u}}}class q_ extends eo{static get pluginName(){return"TableClipboard"}static get requires(){return[dp,hp,j_,f_]}init(){const e=this.editor,t=e.editing.view.document;this.listenTo(t,"copy",(e,t)=>this._onCopyCut(e,t)),this.listenTo(t,"cut",(e,t)=>this._onCopyCut(e,t)),this.listenTo(e.model,"insertContent",(e,[t,n])=>this._onInsertContent(e,t,n),{priority:"high"}),this.decorate("_replaceTableSlotCell")}_onCopyCut(e,t){const 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Jw(e,t,o).filter(({column:e,cellWidth:t})=>Z_(e,t,n)).map(({cell:e})=>Qw(e,t,i))}function U_(e,t,n,i){if(!(t<1))return Yw(e,t).filter(({row:e,cellHeight:t})=>Z_(e,t,n)).map(({cell:e,column:n})=>Xw(e,n,t,i))}function Z_(e,t,n){const i=e+t-1,{first:o,last:r}=n;return e>=o&&e<=r||e<o&&i>=o}class K_ extends eo{static get pluginName(){return"TableKeyboard"}static get requires(){return[j_,f_]}init(){const e=this.editor,t=e.editing.view.document,n=e.t;this.listenTo(t,"arrowKey",(...e)=>this._onArrowKey(...e),{context:"table"}),this.listenTo(t,"tab",(...e)=>this._handleTabOnSelectedTable(...e),{context:"figure"}),this.listenTo(t,"tab",(...e)=>this._handleTab(...e),{context:["th","td"]}),e.accessibility.addKeystrokeInfoGroup({id:"table",label:n("Keystrokes that can be used in a table cell"),keystrokes:[{label:n("Move the selection to the next cell"),keystroke:"Tab"},{label:n("Move the selection to the previous cell"),keystroke:"Shift+Tab"},{label:n("Insert a new table row (when in the last cell 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n.model.change(e=>{e.setSelection(e.createRangeOn(l))});let p;if(s&&f){const e=l.getChild(d+1);p=e.getChild(0)}else if(!s&&u){const e=l.getChild(d-1);p=e.getChild(e.childCount-1)}else p=c.getChild(h+(s?1:-1));n.model.change(e=>{e.setSelection(e.createRangeIn(p))})}_onArrowKey(e,t){const n=this.editor,i=Ei(t.keyCode,n.locale.contentLanguageDirection);this._handleArrowKeys(i,t.shiftKey)&&(t.preventDefault(),t.stopPropagation(),e.stop())}_handleArrowKeys(e,t){const n=this.editor.plugins.get(f_),i=this.editor.plugins.get("TableSelection"),o=this.editor.model,r=o.document.selection,s=["right","down"].includes(e),a=n.getSelectedTableCells(r);if(a.length){let n;return n=t?i.getFocusCell():s?a[a.length-1]:a[0],this._navigateFromCellInDirection(n,e,t),!0}const c=r.focus.findAncestor("tableCell");if(!c)return!1;if(!r.isCollapsed)if(t){if(r.isBackward==s&&!r.containsEntireContent(c))return!1}else{const 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Iv={escape:/^\\([!"#$%&'()*+,\-./:;<=>?@\[\]\\^_`{|}~])/,autolink:/^<(scheme:[^\s\x00-\x1f<>]*|email)>/,url:yv,tag:"^comment|^</[a-zA-Z][\\w:-]*\\s*>|^<[a-zA-Z][\\w-]*(?:attribute)*?\\s*/?>|^<\\?[\\s\\S]*?\\?>|^<![a-zA-Z]+\\s[\\s\\S]*?>|^<!\\[CDATA\\[[\\s\\S]*?\\]\\]>",link:/^!?\[(label)\]\(\s*(href)(?:\s+(title))?\s*\)/,reflink:/^!?\[(label)\]\[(ref)\]/,nolink:/^!?\[(ref)\](?:\[\])?/,reflinkSearch:"reflink|nolink(?!\\()",emStrong:{lDelim:/^(?:\*+(?:([punct_])|[^\s*]))|^_+(?:([punct*])|([^\s_]))/,rDelimAst:/^[^_*]*?\_\_[^_*]*?\*[^_*]*?(?=\_\_)|[punct_](\*+)(?=[\s]|$)|[^punct*_\s](\*+)(?=[punct_\s]|$)|[punct_\s](\*+)(?=[^punct*_\s])|[\s](\*+)(?=[punct_])|[punct_](\*+)(?=[punct_])|[^punct*_\s](\*+)(?=[^punct*_\s])/,rDelimUnd:/^[^_*]*?\*\*[^_*]*?\_[^_*]*?(?=\*\*)|[punct*](\_+)(?=[\s]|$)|[^punct*_\s](\_+)(?=[punct*\s]|$)|[punct*\s](\_+)(?=[^punct*_\s])|[\s](\_+)(?=[punct*])|[punct*](\_+)(?=[punct*])/},code:/^(`+)([^`]|[^`][\s\S]*?[^`])\1(?!`)/,br:/^( {2,}|\\)\n(?!\s*$)/,del:yv,text:/^(`+|[^`])(?:(?= {2,}\n)|[\s\S]*?(?:(?=[\\<!\[`*_]|\b_|$)|[^ ](?= {2,}\n)))/,punctuation:/^([\spunctuation])/};function Ov(e){return e.replace(/---/g,"—").replace(/--/g,"–").replace(/(^|[-\u2014/(\[{"\s])'/g,"$1‘").replace(/'/g,"’").replace(/(^|[-\u2014/(\[{\u2018\s])"/g,"$1“").replace(/"/g,"”").replace(/\.{3}/g,"…")}function Mv(e){let t,n,i="";const o=e.length;for(t=0;t<o;t++)n=e.charCodeAt(t),Math.random()>.5&&(n="x"+n.toString(16)),i+="&#"+n+";";return i}Iv._punctuation="!\"#$%&'()+\\-.,/:;<=>?@\\[\\]`^{|}~",Iv.punctuation=gv(Iv.punctuation).replace(/punctuation/g,Iv._punctuation).getRegex(),Iv.blockSkip=/\[[^\]]*?\]\([^\)]*?\)|`[^`]*?`|<[^>]*?>/g,Iv.escapedEmSt=/\\\*|\\_/g,Iv._comment=gv(Rv._comment).replace("(?:--\x3e|$)","--\x3e").getRegex(),Iv.emStrong.lDelim=gv(Iv.emStrong.lDelim).replace(/punct/g,Iv._punctuation).getRegex(),Iv.emStrong.rDelimAst=gv(Iv.emStrong.rDelimAst,"g").replace(/punct/g,Iv._punctuation).getRegex(),Iv.emStrong.rDelimUnd=gv(Iv.emStrong.rDelimUnd,"g").replace(/punct/g,Iv._punctuation).getRegex(),Iv._escapes=/\\([!"#$%&'()*+,\-./:;<=>?@\[\]\\^_`{|}~])/g,Iv._scheme=/[a-zA-Z][a-zA-Z0-9+.-]{1,31}/,Iv._email=/[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+(@)[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)+(?![-_])/,Iv.autolink=gv(Iv.autolink).replace("scheme",Iv._scheme).replace("email",Iv._email).getRegex(),Iv._attribute=/\s+[a-zA-Z:_][\w.:-]*(?:\s*=\s*"[^"]*"|\s*=\s*'[^']*'|\s*=\s*[^\s"'=<>`]+)?/,Iv.tag=gv(Iv.tag).replace("comment",Iv._comment).replace("attribute",Iv._attribute).getRegex(),Iv._label=/(?:\[(?:\\.|[^\[\]\\])*\]|\\.|`[^`]*`|[^\[\]\\`])*?/,Iv._href=/<(?:\\.|[^\n<>\\])+>|[^\s\x00-\x1f]*/,Iv._title=/"(?:\\"?|[^"\\])*"|'(?:\\'?|[^'\\])*'|\((?:\\\)?|[^)\\])*\)/,Iv.link=gv(Iv.link).replace("label",Iv._label).replace("href",Iv._href).replace("title",Iv._title).getRegex(),Iv.reflink=gv(Iv.reflink).replace("label",Iv._label).replace("ref",Rv._label).getRegex(),Iv.nolink=gv(Iv.nolink).replace("ref",Rv._label).getRegex(),Iv.reflinkSearch=gv(Iv.reflinkSearch,"g").replace("reflink",Iv.reflink).replace("nolink",Iv.nolink).getRegex(),Iv.normal=xv({},Iv),Iv.pedantic=xv({},Iv.normal,{strong:{start:/^__|\*\*/,middle:/^__(?=\S)([\s\S]*?\S)__(?!_)|^\*\*(?=\S)([\s\S]*?\S)\*\*(?!\*)/,endAst:/\*\*(?!\*)/g,endUnd:/__(?!_)/g},em:{start:/^_|\*/,middle:/^()\*(?=\S)([\s\S]*?\S)\*(?!\*)|^_(?=\S)([\s\S]*?\S)_(?!_)/,endAst:/\*(?!\*)/g,endUnd:/_(?!_)/g},link:gv(/^!?\[(label)\]\((.*?)\)/).replace("label",Iv._label).getRegex(),reflink:gv(/^!?\[(label)\]\s*\[([^\]]*)\]/).replace("label",Iv._label).getRegex()}),Iv.gfm=xv({},Iv.normal,{escape:gv(Iv.escape).replace("])","~|])").getRegex(),_extended_email:/[A-Za-z0-9._+-]+(@)[a-zA-Z0-9-_]+(?:\.[a-zA-Z0-9-_]*[a-zA-Z0-9])+(?![-_])/,url:/^((?:ftp|https?):\/\/|www\.)(?:[a-zA-Z0-9\-]+\.?)+[^\s<]*|^email/,_backpedal:/(?:[^?!.,:;*_~()&]+|\([^)]*\)|&(?![a-zA-Z0-9]+;$)|[?!.,:;*_~)]+(?!$))+/,del:/^(~~?)(?=[^\s~])([\s\S]*?[^\s~])\1(?=[^~]|$)/,text:/^([`~]+|[^`~])(?:(?= {2,}\n)|(?=[a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-]+@)|[\s\S]*?(?:(?=[\\<!\[`*~_]|\b_|https?:\/\/|ftp:\/\/|www\.|$)|[^ ](?= {2,}\n)|[^a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-](?=[a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-]+@)))/}),Iv.gfm.url=gv(Iv.gfm.url,"i").replace("email",Iv.gfm._extended_email).getRegex(),Iv.breaks=xv({},Iv.gfm,{br:gv(Iv.br).replace("{2,}","*").getRegex(),text:gv(Iv.gfm.text).replace("\\b_","\\b_| {2,}\\n").replace(/\{2,\}/g,"*").getRegex()});class Vv{constructor(e){this.tokens=[],this.tokens.links=Object.create(null),this.options=e||iv,this.options.tokenizer=this.options.tokenizer||new Sv,this.tokenizer=this.options.tokenizer,this.tokenizer.options=this.options,this.tokenizer.lexer=this,this.inlineQueue=[],this.state={inLink:!1,inRawBlock:!1,top:!0};const t={block:Rv.normal,inline:Iv.normal};this.options.pedantic?(t.block=Rv.pedantic,t.inline=Iv.pedantic):this.options.gfm&&(t.block=Rv.gfm,this.options.breaks?t.inline=Iv.breaks:t.inline=Iv.gfm),this.tokenizer.rules=t}static get rules(){return{block:Rv,inline:Iv}}static lex(e,t){return new Vv(t).lex(e)}static lexInline(e,t){return new Vv(t).inlineTokens(e)}lex(e){let t;for(e=e.replace(/\r\n|\r/g,"\n").replace(/\t/g,"    "),this.blockTokens(e,this.tokens);t=this.inlineQueue.shift();)this.inlineTokens(t.src,t.tokens);return this.tokens}blockTokens(e,t=[]){let n,i,o,r;for(this.options.pedantic&&(e=e.replace(/^ +$/gm,""));e;)if(!(this.options.extensions&&this.options.extensions.block&&this.options.extensions.block.some(i=>!!(n=i.call({lexer:this},e,t))&&(e=e.substring(n.raw.length),t.push(n),!0))))if(n=this.tokenizer.space(e))e=e.substring(n.raw.length),1===n.raw.length&&t.length>0?t[t.length-1].raw+="\n":t.push(n);else if(n=this.tokenizer.code(e))e=e.substring(n.raw.length),i=t[t.length-1],!i||"paragraph"!==i.type&&"text"!==i.type?t.push(n):(i.raw+="\n"+n.raw,i.text+="\n"+n.text,this.inlineQueue[this.inlineQueue.length-1].src=i.text);else if(n=this.tokenizer.fences(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.heading(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.hr(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.blockquote(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.list(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.html(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.def(e))e=e.substring(n.raw.length),i=t[t.length-1],!i||"paragraph"!==i.type&&"text"!==i.type?this.tokens.links[n.tag]||(this.tokens.links[n.tag]={href:n.href,title:n.title}):(i.raw+="\n"+n.raw,i.text+="\n"+n.raw,this.inlineQueue[this.inlineQueue.length-1].src=i.text);else if(n=this.tokenizer.table(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.lheading(e))e=e.substring(n.raw.length),t.push(n);else{if(o=e,this.options.extensions&&this.options.extensions.startBlock){let t=1/0;const n=e.slice(1);let i;this.options.extensions.startBlock.forEach(function(e){i=e.call({lexer:this},n),"number"==typeof i&&i>=0&&(t=Math.min(t,i))}),t<1/0&&t>=0&&(o=e.substring(0,t+1))}if(this.state.top&&(n=this.tokenizer.paragraph(o)))i=t[t.length-1],r&&"paragraph"===i.type?(i.raw+="\n"+n.raw,i.text+="\n"+n.text,this.inlineQueue.pop(),this.inlineQueue[this.inlineQueue.length-1].src=i.text):t.push(n),r=o.length!==e.length,e=e.substring(n.raw.length);else if(n=this.tokenizer.text(e))e=e.substring(n.raw.length),i=t[t.length-1],i&&"text"===i.type?(i.raw+="\n"+n.raw,i.text+="\n"+n.text,this.inlineQueue.pop(),this.inlineQueue[this.inlineQueue.length-1].src=i.text):t.push(n);else if(e){const t="Infinite loop on byte: "+e.charCodeAt(0);if(this.options.silent){console.error(t);break}throw new Error(t)}}return this.state.top=!0,t}inline(e,t){this.inlineQueue.push({src:e,tokens:t})}inlineTokens(e,t=[]){let n,i,o,r,s,a,c=e;if(this.tokens.links){const e=Object.keys(this.tokens.links);if(e.length>0)for(;null!=(r=this.tokenizer.rules.inline.reflinkSearch.exec(c));)e.includes(r[0].slice(r[0].lastIndexOf("[")+1,-1))&&(c=c.slice(0,r.index)+"["+Tv("a",r[0].length-2)+"]"+c.slice(this.tokenizer.rules.inline.reflinkSearch.lastIndex))}for(;null!=(r=this.tokenizer.rules.inline.blockSkip.exec(c));)c=c.slice(0,r.index)+"["+Tv("a",r[0].length-2)+"]"+c.slice(this.tokenizer.rules.inline.blockSkip.lastIndex);for(;null!=(r=this.tokenizer.rules.inline.escapedEmSt.exec(c));)c=c.slice(0,r.index)+"++"+c.slice(this.tokenizer.rules.inline.escapedEmSt.lastIndex);for(;e;)if(s||(a=""),s=!1,!(this.options.extensions&&this.options.extensions.inline&&this.options.extensions.inline.some(i=>!!(n=i.call({lexer:this},e,t))&&(e=e.substring(n.raw.length),t.push(n),!0))))if(n=this.tokenizer.escape(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.tag(e))e=e.substring(n.raw.length),i=t[t.length-1],i&&"text"===n.type&&"text"===i.type?(i.raw+=n.raw,i.text+=n.text):t.push(n);else if(n=this.tokenizer.link(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.reflink(e,this.tokens.links))e=e.substring(n.raw.length),i=t[t.length-1],i&&"text"===n.type&&"text"===i.type?(i.raw+=n.raw,i.text+=n.text):t.push(n);else if(n=this.tokenizer.emStrong(e,c,a))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.codespan(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.br(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.del(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.autolink(e,Mv))e=e.substring(n.raw.length),t.push(n);else if(this.state.inLink||!(n=this.tokenizer.url(e,Mv))){if(o=e,this.options.extensions&&this.options.extensions.startInline){let t=1/0;const n=e.slice(1);let i;this.options.extensions.startInline.forEach(function(e){i=e.call({lexer:this},n),"number"==typeof i&&i>=0&&(t=Math.min(t,i))}),t<1/0&&t>=0&&(o=e.substring(0,t+1))}if(n=this.tokenizer.inlineText(o,Ov))e=e.substring(n.raw.length),"_"!==n.raw.slice(-1)&&(a=n.raw.slice(-1)),s=!0,i=t[t.length-1],i&&"text"===i.type?(i.raw+=n.raw,i.text+=n.text):t.push(n);else if(e){const t="Infinite loop on byte: "+e.charCodeAt(0);if(this.options.silent){console.error(t);break}throw new Error(t)}}else e=e.substring(n.raw.length),t.push(n);return t}}class Nv{constructor(e){this.options=e||iv}code(e,t,n){const i=(t||"").match(/\S*/)[0];if(this.options.highlight){const t=this.options.highlight(e,i);null!=t&&t!==e&&(n=!0,e=t)}return e=e.replace(/\n$/,"")+"\n",i?'<pre><code class="'+this.options.langPrefix+dv(i,!0)+'">'+(n?e:dv(e,!0))+"</code></pre>\n":"<pre><code>"+(n?e:dv(e,!0))+"</code></pre>\n"}blockquote(e){return"<blockquote>\n"+e+"</blockquote>\n"}html(e){return e}heading(e,t,n,i){return this.options.headerIds?"<h"+t+' id="'+this.options.headerPrefix+i.slug(n)+'">'+e+"</h"+t+">\n":"<h"+t+">"+e+"</h"+t+">\n"}hr(){return this.options.xhtml?"<hr/>\n":"<hr>\n"}list(e,t,n){const i=t?"ol":"ul";return"<"+i+(t&&1!==n?' start="'+n+'"':"")+">\n"+e+"</"+i+">\n"}listitem(e){return"<li>"+e+"</li>\n"}checkbox(e){return"<input "+(e?'checked="" ':"")+'disabled="" type="checkbox"'+(this.options.xhtml?" /":"")+"> "}paragraph(e){return"<p>"+e+"</p>\n"}table(e,t){return t&&(t="<tbody>"+t+"</tbody>"),"<table>\n<thead>\n"+e+"</thead>\n"+t+"</table>\n"}tablerow(e){return"<tr>\n"+e+"</tr>\n"}tablecell(e,t){const n=t.header?"th":"td";return(t.align?"<"+n+' align="'+t.align+'">':"<"+n+">")+e+"</"+n+">\n"}strong(e){return"<strong>"+e+"</strong>"}em(e){return"<em>"+e+"</em>"}codespan(e){return"<code>"+e+"</code>"}br(){return this.options.xhtml?"<br/>":"<br>"}del(e){return"<del>"+e+"</del>"}link(e,t,n){if(null===(e=bv(this.options.sanitize,this.options.baseUrl,e)))return n;let i='<a href="'+dv(e)+'"';return t&&(i+=' title="'+t+'"'),i+=">"+n+"</a>",i}image(e,t,n){if(null===(e=bv(this.options.sanitize,this.options.baseUrl,e)))return n;let i='<img src="'+e+'" alt="'+n+'"';return t&&(i+=' title="'+t+'"'),i+=this.options.xhtml?"/>":">",i}text(e){return e}}class Dv{strong(e){return e}em(e){return e}codespan(e){return e}del(e){return e}html(e){return e}text(e){return e}link(e,t,n){return""+n}image(e,t,n){return""+n}br(){return""}}class Bv{constructor(){this.seen={}}serialize(e){return e.toLowerCase().trim().replace(/<[!\/a-z].*?>/gi,"").replace(/[\u2000-\u206F\u2E00-\u2E7F\\'!"#$%&()*+,./:;<=>?@[\]^`{|}~]/g,"").replace(/\s/g,"-")}getNextSafeSlug(e,t){let n=e,i=0;if(this.seen.hasOwnProperty(n)){i=this.seen[e];do{i++,n=e+"-"+i}while(this.seen.hasOwnProperty(n))}return t||(this.seen[e]=i,this.seen[n]=0),n}slug(e,t={}){const n=this.serialize(e);return this.getNextSafeSlug(n,t.dryrun)}}class Lv{constructor(e){this.options=e||iv,this.options.renderer=this.options.renderer||new Nv,this.renderer=this.options.renderer,this.renderer.options=this.options,this.textRenderer=new Dv,this.slugger=new Bv}static parse(e,t){return new Lv(t).parse(e)}static parseInline(e,t){return new Lv(t).parseInline(e)}parse(e,t=!0){let n,i,o,r,s,a,c,l,d,h,u,f,g,p,m,b,k,w,_,v="";const y=e.length;for(n=0;n<y;n++)if(h=e[n],this.options.extensions&&this.options.extensions.renderers&&this.options.extensions.renderers[h.type]&&(_=this.options.extensions.renderers[h.type].call({parser:this},h),!1!==_||!["space","hr","heading","code","table","blockquote","list","html","paragraph","text"].includes(h.type)))v+=_||"";else switch(h.type){case"space":continue;case"hr":v+=this.renderer.hr();continue;case"heading":v+=this.renderer.heading(this.parseInline(h.tokens),h.depth,uv(this.parseInline(h.tokens,this.textRenderer)),this.slugger);continue;case"code":v+=this.renderer.code(h.text,h.lang,h.escaped);continue;case"table":for(l="",c="",r=h.header.length,i=0;i<r;i++)c+=this.renderer.tablecell(this.parseInline(h.header[i].tokens),{header:!0,align:h.align[i]});for(l+=this.renderer.tablerow(c),d="",r=h.rows.length,i=0;i<r;i++){for(a=h.rows[i],c="",s=a.length,o=0;o<s;o++)c+=this.renderer.tablecell(this.parseInline(a[o].tokens),{header:!1,align:h.align[o]});d+=this.renderer.tablerow(c)}v+=this.renderer.table(l,d);continue;case"blockquote":d=this.parse(h.tokens),v+=this.renderer.blockquote(d);continue;case"list":for(u=h.ordered,f=h.start,g=h.loose,r=h.items.length,d="",i=0;i<r;i++)m=h.items[i],b=m.checked,k=m.task,p="",m.task&&(w=this.renderer.checkbox(b),g?m.tokens.length>0&&"paragraph"===m.tokens[0].type?(m.tokens[0].text=w+" "+m.tokens[0].text,m.tokens[0].tokens&&m.tokens[0].tokens.length>0&&"text"===m.tokens[0].tokens[0].type&&(m.tokens[0].tokens[0].text=w+" "+m.tokens[0].tokens[0].text)):m.tokens.unshift({type:"text",text:w}):p+=w),p+=this.parse(m.tokens,g),d+=this.renderer.listitem(p,k,b);v+=this.renderer.list(d,u,f);continue;case"html":v+=this.renderer.html(h.text);continue;case"paragraph":v+=this.renderer.paragraph(this.parseInline(h.tokens));continue;case"text":for(d=h.tokens?this.parseInline(h.tokens):h.text;n+1<y&&"text"===e[n+1].type;)h=e[++n],d+="\n"+(h.tokens?this.parseInline(h.tokens):h.text);v+=t?this.renderer.paragraph(d):d;continue;default:{const e='Token with "'+h.type+'" type was not found.';if(this.options.silent)return void console.error(e);throw new Error(e)}}return v}parseInline(e,t){t=t||this.renderer;let n,i,o,r="";const 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