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 * @license Copyright (c) 2003-2023, CKSource Holding sp. z o.o. All rights reserved.
 * For licensing, see LICENSE.md.
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e.isAfter(this.start)&&e.isBefore(this.end)}containsRange(e,t=!1){e.isCollapsed&&(t=!1);const o=this.containsPosition(e.start)||t&&this.start.isEqual(e.start),s=this.containsPosition(e.end)||t&&this.end.isEqual(e.end);return o&&s}getDifference(e){const t=[];return this.isIntersecting(e)?(this.containsPosition(e.start)&&t.push(new Ie(this.start,e.start)),this.containsPosition(e.end)&&t.push(new Ie(e.end,this.end))):t.push(this.clone()),t}getIntersection(e){if(this.isIntersecting(e)){let t=this.start,o=this.end;return this.containsPosition(e.start)&&(t=e.start),this.containsPosition(e.end)&&(o=e.end),new Ie(t,o)}return null}getWalker(e={}){return e.boundaries=this,new Ve(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 Ie(this.start,this.end)}*getItems(e={}){e.boundaries=this,e.ignoreElementEnd=!0;const t=new Ve(e);for(const e of t)yield e.item}*getPositions(e={}){e.boundaries=this;const t=new Ve(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,o,s){return new this(new Be(e,t),new Be(o,s))}static _createFromPositionAndShift(e,t){const o=e,s=e.getShiftedBy(t);return t>0?new this(o,s):new this(s,o)}static _createIn(e){return this._createFromParentsAndOffsets(e,0,e,e.childCount)}static _createOn(e){const t=e.is("$textProxy")?e.offsetSize:1;return 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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 o=!1;for(const s of e._ranges)if(t.isEqual(s)){o=!0;break}if(!o)return!1}return!0}isSimilar(e){if(this.isBackward!=e.isBackward)return!1;const t=(0,a.QX)(this.getRanges());if(t!=(0,a.QX)(e.getRanges()))return!1;if(0==t)return!0;for(let t of this.getRanges()){t=t.getTrimmed();let o=!1;for(let s of e.getRanges())if(s=s.getTrimmed(),t.start.isEqual(s.start)&&t.end.isEqual(s.end)){o=!0;break}if(!o)return!1}return!0}getSelectedElement(){return 1!==this.rangeCount?null:this.getFirstRange().getContainedElement()}setTo(...e){let[t,o,s]=e;if("object"==typeof o&&(s=o,o=void 0),null===t)this._setRanges([]),this._setFakeOptions(s);else if(t instanceof Ne||t instanceof ze)this._setRanges(t.getRanges(),t.isBackward),this._setFakeOptions({fake:t.isFake,label:t.fakeSelectionLabel});else if(t instanceof Ie)this._setRanges([t],s&&s.backward),this._setFakeOptions(s);else if(t instanceof Be)this._setRanges([new Ie(t)]),this._setFakeOptions(s);else if(t instanceof v){const e=!!s&&!!s.backward;let i;if(void 0===o)throw new a.Bb("view-selection-setto-required-second-parameter",this);i="in"==o?Ie._createIn(t):"on"==o?Ie._createOn(t):new 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extends((0,a.Re)()){constructor(e,t){super(),this.domDocuments=new Set,this.markedAttributes=new Set,this.markedChildren=new Set,this.markedTexts=new Set,this._inlineFiller=null,this._fakeSelectionContainer=null,this.domConverter=e,this.selection=t,this.set("isFocused",!1),this.set("isSelecting",!1),a.OB.isBlink&&!a.OB.isAndroid&&this.on("change:isSelecting",(()=>{this.isSelecting||this.render()})),this.set("isComposing",!1),this.on("change:isComposing",(()=>{this.isComposing||this.render()}))}markToSync(e,t){if("text"===e)this.domConverter.mapViewToDom(t.parent)&&this.markedTexts.add(t);else{if(!this.domConverter.mapViewToDom(t))return;if("attributes"===e)this.markedAttributes.add(t);else{if("children"!==e){throw new a.Bb("view-renderer-unknown-type",this)}this.markedChildren.add(t)}}}render(){if(this.isComposing&&!a.OB.isAndroid)return;let e=null;const t=!(a.OB.isBlink&&!a.OB.isAndroid)||!this.isSelecting;for(const e of 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=Be._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),o=t.parent.ownerDocument;vt(t.parent)?this._inlineFiller=t.parent:this._inlineFiller=At(o,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 o=Array.from(t.childNodes),s=Array.from(this.domConverter.viewChildrenToDom(e,{withChildren:!1})),i=this._diffNodeLists(o,s),r=this._findUpdateActions(i,o,s,St);if(-1!==r.indexOf("update")){const t={equal:0,insert:0,delete:0};for(const i of r)if("update"===i){const i=t.equal+t.insert,r=t.equal+t.delete,n=e.getChild(i);!n||n.is("uiElement")||n.is("rawElement")||this._updateElementMappings(n,o[r]),(0,a.Od)(s[i]),t.equal++}else t[i]++}}_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")?Be._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&&(0,a.Gs)(t.parent)&&vt(t.parent))}_removeInlineFiller(){const e=this._inlineFiller;if(!vt(e))throw new a.Bb("view-renderer-filler-was-lost",this);yt(e)?e.remove():e.data=e.data.substr(kt),this._inlineFiller=null}_needsInlineFillerAtSelection(){if(1!=this.selection.rangeCount||!this.selection.isCollapsed)return!1;const e=this.selection.getFirstPosition(),t=e.parent,o=e.offset;if(!this.domConverter.mapViewToDom(t.root))return!1;if(!t.is("element"))return!1;if(!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(o===t.getFillerOffset())return!1;const s=e.nodeBefore,i=e.nodeAfter;return!(s instanceof y||i instanceof y)&&(!a.OB.isAndroid||!s&&!i)}_updateText(e,t){const o=this.domConverter.findCorrespondingDomText(e);let s=this.domConverter.viewToDom(e).data;const i=t.inlineFillerPosition;i&&i.parent==e.parent&&i.offset==e.index&&(s=wt+s),jt(o,s)}_updateAttrs(e){const t=this.domConverter.mapViewToDom(e);if(!t)return;const o=Array.from(t.attributes).map((e=>e.name)),s=e.getAttributeKeys();for(const o of s)this.domConverter.setDomElementAttribute(t,o,e.getAttribute(o),e);for(const s of o)e.hasAttribute(s)||this.domConverter.removeDomElementAttribute(t,s)}_updateChildren(e,t){const o=this.domConverter.mapViewToDom(e);if(!o)return;if(a.OB.isAndroid){let e=null;for(const t of Array.from(o.childNodes)){if(e&&(0,a.Gs)(e)&&(0,a.Gs)(t)){o.normalize();break}e=t}}const s=t.inlineFillerPosition,i=o.childNodes,r=Array.from(this.domConverter.viewChildrenToDom(e,{bind:!0}));s&&s.parent===e&&At(o.ownerDocument,r,s.offset);const n=this._diffNodeLists(i,r),c=this._findUpdateActions(n,i,r,Ot);let l=0;const d=new Set;for(const e of c)"delete"===e?(d.add(i[l]),(0,a.Od)(i[l])):"equal"!==e&&"update"!==e||l++;l=0;for(const e of c)"insert"===e?((0,a.ZQ)(o,l,r[l]),l++):"update"===e?(jt(i[l],r[l].data),l++):"equal"===e&&(this._markDescendantTextToSync(this.domConverter.domToView(r[l])),l++);for(const e of d)e.parentNode||this.domConverter.unbindDomElement(e)}_diffNodeLists(e,t){return e=function(e,t){const o=Array.from(e);if(0==o.length||!t)return o;const s=o[o.length-1];s==t&&o.pop();return o}(e,this._fakeSelectionContainer),(0,a.Hg)(e,t,Rt.bind(null,this.domConverter))}_findUpdateActions(e,t,o,s){if(-1===e.indexOf("insert")||-1===e.indexOf("delete"))return e;let i=[],r=[],n=[];const c={equal:0,insert:0,delete:0};for(const l of e)"insert"===l?n.push(o[c.equal+c.insert]):"delete"===l?r.push(t[c.equal+c.delete]):(i=i.concat((0,a.Hg)(r,n,s).map((e=>"equal"===e?"update":e))),i.push("equal"),r=[],n=[]),c[l]++;return i.concat((0,a.Hg)(r,n,s).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(a.OB.isBlink&&!a.OB.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&&a.OB.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 o=this._fakeSelectionContainer;if(this.domConverter.bindFakeSelection(o,this.selection),!this._fakeSelectionNeedsUpdate(e))return;o.parentElement&&o.parentElement==e||e.appendChild(o),o.textContent=this.selection.fakeSelectionLabel||" ";const s=t.getSelection(),i=t.createRange();s.removeAllRanges(),i.selectNodeContents(o),s.addRange(i)}_updateDomSelection(e){const t=e.ownerDocument.defaultView.getSelection();if(!this._domSelectionNeedsUpdate(t))return;const o=this.domConverter.viewPositionToDom(this.selection.anchor),s=this.domConverter.viewPositionToDom(this.selection.focus);t.setBaseAndExtent(o.parent,o.offset,s.parent,s.offset),a.OB.isGecko&&function(e,t){const o=e.parent;if(o.nodeType!=Node.ELEMENT_NODE||e.offset!=o.childNodes.length-1)return;const s=o.childNodes[e.offset];s&&"BR"==s.tagName&&t.addRange(t.getRangeAt(0))}(s,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,o=e.ownerDocument.getSelection();return!t||t.parentElement!==e||(o.anchorNode!==t&&!t.contains(o.anchorNode)||t.textContent!==this.selection.fakeSelectionLabel)}_removeDomSelection(){for(const e of this.domDocuments){const t=e.getSelection();if(t.rangeCount){const o=e.activeElement,s=this.domConverter.mapDomToView(o);o&&s&&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 At(e,t,o){const s=t instanceof Array?t:t.childNodes,i=s[o];if((0,a.Gs)(i))return i.data=wt+i.data,i;{const i=e.createTextNode(wt);return Array.isArray(t)?s.splice(o,0,i):(0,a.ZQ)(t,o,i),i}}function St(e,t){return(0,a.UG)(e)&&(0,a.UG)(t)&&!(0,a.Gs)(e)&&!(0,a.Gs)(t)&&!(0,a.C3)(e)&&!(0,a.C3)(t)&&e.tagName.toLowerCase()===t.tagName.toLowerCase()}function Ot(e,t){return(0,a.UG)(e)&&(0,a.UG)(t)&&(0,a.Gs)(e)&&(0,a.Gs)(t)}function Rt(e,t,o){return t===o||((0,a.Gs)(t)&&(0,a.Gs)(o)?t.data===o.data:!(!e.isBlockFiller(t)||!e.isBlockFiller(o)))}function jt(e,t){const o=e.data;if(o==t)return;const s=(0,a.HZ)(o,t);for(const t of s)"insert"===t.type?e.insertData(t.index,t.values.join("")):e.deleteData(t.index,t.howMany)}const Mt=_t(a.global.document),Vt=mt(a.global.document),Bt=bt(a.global.document),It="data-ck-unsafe-attribute-",Dt="data-ck-unsafe-element";class Nt{constructor(e,{blockFillerMode:t,renderingMode:o="editing"}={}){this._domToViewMapping=new WeakMap,this._viewToDomMapping=new WeakMap,this._fakeSelectionMapping=new WeakMap,this._rawContentElementMatcher=new C,this._inlineObjectElementMatcher=new C,this._elementsWithTemporaryCustomProperties=new Set,this.document=e,this.renderingMode=o,this.blockFillerMode=t||("editing"===o?"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?a.global.document:a.global.document.implementation.createHTMLDocument("")}bindFakeSelection(e,t){this._fakeSelectionMapping.set(e,new Ne(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,o){return"data"===this.renderingMode||!(e=e.toLowerCase()).startsWith("on")&&(("srcdoc"!==e||!t.match(/\bon\S+\s*=|javascript:|<\s*\/*script/i))&&("img"===o&&("src"===e||"srcset"===e)||("source"===o&&"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 o=(new DOMParser).parseFromString(t,"text/html"),s=o.createDocumentFragment(),i=o.body.childNodes;for(;i.length>0;)s.appendChild(i[0]);const r=o.createTreeWalker(s,NodeFilter.SHOW_ELEMENT),n=[];let a;for(;a=r.nextNode();)n.push(a);for(const e of n){for(const t of e.getAttributeNames())this.setDomElementAttribute(e,t,e.getAttribute(t));const t=e.tagName.toLowerCase();this._shouldRenameElement(t)&&(Zt(t),e.replaceWith(this._createReplacementDomElement(t,e)))}for(;e.firstChild;)e.firstChild.remove();e.append(s)}viewToDom(e,t={}){if(e.is("$text")){const t=this._processDataFromViewText(e);return this._domDocument.createTextNode(t)}{const o=e;if(this.mapViewToDom(o)){if(!o.getCustomProperty("editingPipeline:doNotReuseOnce"))return this.mapViewToDom(o);this._elementsWithTemporaryCustomProperties.add(o)}let s;if(o.is("documentFragment"))s=this._domDocument.createDocumentFragment(),t.bind&&this.bindDocumentFragments(s,o);else{if(o.is("uiElement"))return s="$comment"===o.name?this._domDocument.createComment(o.getCustomProperty("$rawContent")):o.render(this._domDocument,this),t.bind&&this.bindElements(s,o),s;this._shouldRenameElement(o.name)?(Zt(o.name),s=this._createReplacementDomElement(o.name)):s=o.hasAttribute("xmlns")?this._domDocument.createElementNS(o.getAttribute("xmlns"),o.name):this._domDocument.createElement(o.name),o.is("rawElement")&&o.render(s,this),t.bind&&this.bindElements(s,o);for(const e of o.getAttributeKeys())this.setDomElementAttribute(s,e,o.getAttribute(e),o)}if(!1!==t.withChildren)for(const e of this.viewChildrenToDom(o,t))s.appendChild(e);return s}}setDomElementAttribute(e,t,o,s){const i=this.shouldRenderAttribute(t,o,e.tagName.toLowerCase())||s&&s.shouldRenderUnsafeAttribute(t);i||(0,a.KE)("domconverter-unsafe-attribute-detected",{domElement:e,key:t,value:o}),(0,a.$b)(t)?(e.hasAttribute(t)&&!i?e.removeAttribute(t):e.hasAttribute(It+t)&&i&&e.removeAttribute(It+t),e.setAttribute(i?t:It+t,o)):(0,a.KE)("domconverter-invalid-attribute-detected",{domElement:e,key:t,value:o})}removeDomElementAttribute(e,t){t!=Dt&&(e.removeAttribute(t),e.removeAttribute(It+t))}*viewChildrenToDom(e,t={}){const o=e.getFillerOffset&&e.getFillerOffset();let s=0;for(const i of e.getChildren()){o===s&&(yield this._getBlockFiller());const e=i.is("element")&&!!i.getCustomProperty("dataPipeline:transparentRendering")&&!(0,a.Ps)(i.getAttributes());e&&"data"==this.renderingMode?yield*this.viewChildrenToDom(i,t):(e&&(0,a.KE)("domconverter-transparent-rendering-unsupported-in-editing-pipeline",{viewElement:i}),yield this.viewToDom(i,t)),s++}o===s&&(yield this._getBlockFiller())}viewRangeToDom(e){const t=this.viewPositionToDom(e.start),o=this.viewPositionToDom(e.end),s=this._domDocument.createRange();return s.setStart(t.parent,t.offset),s.setEnd(o.parent,o.offset),s}viewPositionToDom(e){const t=e.parent;if(t.is("$text")){const o=this.findCorrespondingDomText(t);if(!o)return null;let s=e.offset;return vt(o)&&(s+=kt),{parent:o,offset:s}}{let o,s,i;if(0===e.offset){if(o=this.mapViewToDom(t),!o)return null;i=o.childNodes[0]}else{const t=e.nodeBefore;if(s=t.is("$text")?this.findCorrespondingDomText(t):this.mapViewToDom(t),!s)return null;o=s.parentNode,i=s.nextSibling}if((0,a.Gs)(i)&&vt(i))return{parent:i,offset:kt};return{parent:o,offset:s?(0,a.cq)(s)+1:0}}}domToView(e,t={}){const o=[],s=this._domToView(e,t,o),i=s.next().value;return i?(s.next(),this._processDomInlineNodes(null,o,t),i.is("$text")&&0==i.data.length?null:i):null}*domChildrenToView(e,t={},o=[]){for(let s=0;s<e.childNodes.length;s++){const i=e.childNodes[s],r=this._domToView(i,t,o),n=r.next().value;null!==n&&(this._isBlockViewElement(n)&&this._processDomInlineNodes(e,o,t),yield n,r.next())}this._processDomInlineNodes(e,o,t)}domSelectionToView(e){if(function(e){if(!a.OB.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 Ne([]);if(1===e.rangeCount){let t=e.getRangeAt(0).startContainer;(0,a.Gs)(t)&&(t=t.parentNode);const o=this.fakeSelectionToView(t);if(o)return o}const t=this.isDomSelectionBackward(e),o=[];for(let t=0;t<e.rangeCount;t++){const s=e.getRangeAt(t),i=this.domRangeToView(s);i&&o.push(i)}return new Ne(o,{backward:t})}domRangeToView(e){const t=this.domPositionToView(e.startContainer,e.startOffset),o=this.domPositionToView(e.endContainer,e.endOffset);return t&&o?new Ie(t,o):null}domPositionToView(e,t=0){if(this.isBlockFiller(e))return this.domPositionToView(e.parentNode,(0,a.cq)(e));const o=this.mapDomToView(e);if(o&&(o.is("uiElement")||o.is("rawElement")))return Be._createBefore(o);if((0,a.Gs)(e)){if(yt(e))return this.domPositionToView(e.parentNode,(0,a.cq)(e));const o=this.findCorrespondingViewText(e);let s=t;return o?(vt(e)&&(s-=kt,s=s<0?0:s),new Be(o,s)):null}if(0===t){const t=this.mapDomToView(e);if(t)return new Be(t,0)}else{const o=e.childNodes[t-1];if((0,a.Gs)(o)&&yt(o)||o&&this.isBlockFiller(o))return this.domPositionToView(o.parentNode,(0,a.cq)(o));const s=(0,a.Gs)(o)?this.findCorrespondingViewText(o):this.mapDomToView(o);if(s&&s.parent)return new Be(s.parent,s.index+1)}return null}mapDomToView(e){return this.getHostViewElement(e)||this._domToViewMapping.get(e)}findCorrespondingViewText(e){if(yt(e))return null;const t=this.getHostViewElement(e);if(t)return t;const o=e.previousSibling;if(o){if(!this.isElement(o))return null;const e=this.mapDomToView(o);if(e){const t=e.nextSibling;return t instanceof y?t:null}}else{const 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e&&e.nodeType==Node.DOCUMENT_FRAGMENT_NODE}isBlockFiller(e){return"br"==this.blockFillerMode?e.isEqualNode(Mt):!("BR"!==e.tagName||!Lt(e,this.blockElements)||1!==e.parentNode.childNodes.length)||(e.isEqualNode(Bt)||function(e,t){const o=e.isEqualNode(Vt);return o&&Lt(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 o=t.collapsed;return t.detach(),o}getHostViewElement(e){const t=(0,a.dk)(e);for(t.pop();t.length;){const e=t.pop(),o=this._domToViewMapping.get(e);if(o&&(o.is("uiElement")||o.is("rawElement")))return o}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 mt(this._domDocument);case"markedNbsp":return bt(this._domDocument);case"br":return _t(this._domDocument)}}_isDomSelectionPositionCorrect(e,t){if((0,a.Gs)(e)&&vt(e)&&t<kt)return!1;if(this.isElement(e)&&vt(e.childNodes[t]))return!1;const o=this.mapDomToView(e);return!o||!o.is("uiElement")&&!o.is("rawElement")}*_domToView(e,t,o){if(this.isBlockFiller(e))return null;const s=this.getHostViewElement(e);if(s)return s;if((0,a.C3)(e)&&t.skipComments)return null;if((0,a.Gs)(e)){if(yt(e))return null;{const t=e.data;if(""===t)return null;const s=new y(this.document,t);return o.push(s),s}}{let s=this.mapDomToView(e);if(s)return this._isInlineObjectElement(s)&&o.push(s),s;if(this.isDocumentFragment(e))s=new it(this.document),t.bind&&this.bindDocumentFragments(e,s);else{s=this._createViewElement(e,t),t.bind&&this.bindElements(e,s);const i=e.attributes;if(i)for(let e=i.length,t=0;t<e;t++)s._setAttribute(i[t].name,i[t].value);if(this._isViewElementWithRawContent(s,t))return s._setCustomProperty("$rawContent",e.innerHTML),this._isBlockViewElement(s)||o.push(s),s;if((0,a.C3)(e))return s._setCustomProperty("$rawContent",e.data),s}yield s;const i=[];if(!1!==t.withChildren)for(const o of this.domChildrenToView(e,t,i))s._appendChild(o);if(this._isInlineObjectElement(s))o.push(s);else for(const e of i)o.push(e)}}_processDomInlineNodes(e,t,o){if(!t.length)return;if(e&&!this.isDocumentFragment(e)&&!this._isBlockDomElement(e))return;let s=!1;for(let e=0;e<t.length;e++){const i=t[e];if(!i.is("$text")){s=!1;continue}let r,n=!1;if(zt(i,this.preElements))r=xt(i.data);else{r=i.data.replace(/[ \n\t\r]{1,}/g," "),n=/[^\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||s,d=!c&&!vt(i.data);!1!==o.withChildren&&(l&&(r=r.replace(/^ /,"")),d&&(r=r.replace(/ $/,""))),r=xt(r),r=r.replace(/ \u00A0/g,"  ");const h=c&&c.is("element")&&"br"!=c.name,u=c&&c.is("$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&&i.parent?(i._remove(),t.splice(e,1),e--):(i._data=r,s=n)}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 o=this._getTouchingInlineViewNode(e,!1);!(o&&o.is("$textProxy")&&this._nodeEndsWithSpace(o))&&o||(t=" "+t.substr(1))}if(" 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o=e;for(;o;)t(o),o=o.parentElement}function Lt(e,t){const o=e.parentNode;return!!o&&!!o.tagName&&t.includes(o.tagName.toLowerCase())}function Zt(e){"script"===e&&(0,a.KE)("domconverter-unsafe-script-element-detected"),"style"===e&&(0,a.KE)("domconverter-unsafe-style-element-detected")}class Wt extends((0,a.Xu)()){constructor(e){super(),this._isEnabled=!1,this.view=e,this.document=e.document}get isEnabled(){return this._isEnabled}enable(){this._isEnabled=!0}disable(){this._isEnabled=!1}destroy(){this.disable(),this.stopListening()}checkShouldIgnoreEventFromTarget(e){return e&&3===e.nodeType&&(e=e.parentNode),!(!e||1!==e.nodeType)&&e.matches("[data-cke-ignore-events], [data-cke-ignore-events] *")}}var $t=o("./node_modules/lodash-es/assignIn.js");class qt{constructor(e,t,o){this.view=e,this.document=e.document,this.domEvent=t,this.domTarget=t.target,(0,$t.Z)(this,o)}get target(){return 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rt(this.document),this.addObserver(yo),this.addObserver(Po),this.addObserver(Co),this.addObserver(Ut),this.addObserver(Kt),this.addObserver(To),this.addObserver(Oo),this.addObserver(So),this.addObserver(Ro),this.document.on("arrowKey",Pt,{priority:"low"}),et(this),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})),a.OB.isiOS&&this.listenTo(this.document,"blur",((e,t)=>{this.domConverter.mapDomToView(t.domEvent.relatedTarget)||this.domConverter._clearDomSelection()}))}attachDomRoot(e,t="main"){const o=this.document.getRoot(t);o._name=e.tagName.toLowerCase();const s={};for(const{name:t,value:i}of Array.from(e.attributes))s[t]=i,"class"===t?this._writer.addClass(i.split(" 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o=this._initialDomRootAttributes.get(t);for(const e in o)t.setAttribute(e,o[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,o]of this.domRoots)t.observe(o,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:o=20,ancestorOffset:s=20}={}){const i=this.document.selection.getFirstRange();if(!i)return;const r=jo({alignToTop:e,forceScroll:t,viewportOffset:o,ancestorOffset:s});"number"==typeof o&&(o={top:o,bottom:o,left:o,right:o});const 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t=this.getPath(),o=e.getPath(),s=(0,a.Rt)(t,o);switch(s){case"prefix":return!0;case"extension":return!1;default:return t[s]<o[s]}}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=(0,a.qL)(e)}_removeAttribute(e){return this._attrs.delete(e)}_clearAttributes(){this._attrs.clear()}}Bo.prototype.is=function(e){return"node"===e||"model:node"===e};class Io{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 a.Bb("model-nodelist-index-out-of-bounds",this);return this.getNodeStartOffset(t)}offsetToIndex(e){let t=0;for(const o of this._nodes){if(e>=t&&e<t+o.offsetSize)return this.getNodeIndex(o);t+=o.offsetSize}if(t!=e)throw new a.Bb("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 Bo))throw new a.Bb("model-nodelist-insertnodes-not-node",this);this._nodes=(0,a.x)(this._nodes,Array.from(t),e,0)}_removeNodes(e,t=1){return this._nodes.splice(e,t)}toJSON(){return this._nodes.map((e=>e.toJSON()))}}class Do extends Bo{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 Do(this.data,this.getAttributes())}static fromJSON(e){return new Do(e.data,e.attributes)}}Do.prototype.is=function(e){return"$text"===e||"model:$text"===e||"text"===e||"model:text"===e||"node"===e||"model:node"===e};class No extends Vo{constructor(e,t,o){if(super(),this.textNode=e,t<0||t>e.offsetSize)throw new a.Bb("model-textproxy-wrong-offsetintext",this);if(o<0||t+o>e.offsetSize)throw new a.Bb("model-textproxy-wrong-length",this);this.data=e.data.substring(t,t+o),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 o=e.includeSelf?this:this.parent;for(;o;)t[e.parentFirst?"push":"unshift"](o),o=o.parent;return t}hasAttribute(e){return this.textNode.hasAttribute(e)}getAttribute(e){return this.textNode.getAttribute(e)}getAttributes(){return this.textNode.getAttributes()}getAttributeKeys(){return this.textNode.getAttributeKeys()}}No.prototype.is=function(e){return"$textProxy"===e||"model:$textProxy"===e||"textProxy"===e||"model:textProxy"===e};class zo extends Bo{constructor(e,t,o){super(t),this._children=new Io,this.name=e,o&&this._insertChild(0,o)}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 o of e)t=t.getChild(t.offsetToIndex(o));return t}findAncestor(e,t={}){let o=t.includeSelf?this:this.parent;for(;o;){if(o.name===e)return o;o=o.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 zo(this.name,this.getAttributes(),t)}_appendChild(e){this._insertChild(this.childCount,e)}_insertChild(e,t){const o=function(e){if("string"==typeof e)return[new Do(e)];(0,a.TW)(e)||(e=[e]);return Array.from(e).map((e=>"string"==typeof e?new Do(e):e instanceof No?new Do(e.data,e.getAttributes()):e))}(t);for(const e of o)null!==e.parent&&e._remove(),e.parent=this;this._children._insertNodes(e,o)}_removeChildren(e,t=1){const o=this._children._removeNodes(e,t);for(const e of o)e.parent=null;return o}static fromJSON(e){let t;if(e.children){t=[];for(const o of e.children)o.name?t.push(zo.fromJSON(o)):t.push(Do.fromJSON(o))}return new zo(e.name,e.attributes,t)}}zo.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 Fo{constructor(e){if(!e||!e.boundaries&&!e.startPosition)throw new a.Bb("model-tree-walker-no-start-position",null);const t=e.direction||"forward";if("forward"!=t&&"backward"!=t)throw new a.Bb("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=Zo._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,o,s,i;do{s=this.position,i=this._visitedParent,({done:t,value:o}=this.next())}while(!t&&e(o));t||(this._position=s,this._visitedParent=i)}next(){return"forward"==this.direction?this._next():this._previous()}_next(){const e=this.position,t=this.position.clone(),o=this._visitedParent;if(null===o.parent&&t.offset===o.maxOffset)return{done:!0,value:void 0};if(o===this._boundaryEndParent&&t.offset==this.boundaries.end.offset)return{done:!0,value:void 0};const s=Wo(t,o),i=s||$o(t,o,s);if(i instanceof zo){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=i;return this._position=t,Lo("elementStart",i,e,t,1)}if(i instanceof Do){let s;if(this.singleCharacters)s=1;else{let e=i.endOffset;this._boundaryEndParent==o&&this.boundaries.end.offset<e&&(e=this.boundaries.end.offset),s=e-t.offset}const r=t.offset-i.startOffset,n=new No(i,r,s);return t.offset+=s,this._position=t,Lo("text",n,e,t,s)}return t.path.pop(),t.offset++,this._position=t,this._visitedParent=o.parent,this.ignoreElementEnd?this._next():Lo("elementEnd",o,e,t)}_previous(){const e=this.position,t=this.position.clone(),o=this._visitedParent;if(null===o.parent&&0===t.offset)return{done:!0,value:void 0};if(o==this._boundaryStartParent&&t.offset==this.boundaries.start.offset)return{done:!0,value:void 0};const s=t.parent,i=Wo(t,s),r=i||qo(t,s,i);if(r instanceof zo)return t.offset--,this.shallow?(this._position=t,Lo("elementStart",r,e,t,1)):(t.path.push(r.maxOffset),this._position=t,this._visitedParent=r,this.ignoreElementEnd?this._previous():Lo("elementEnd",r,e,t));if(r instanceof Do){let s;if(this.singleCharacters)s=1;else{let e=r.startOffset;this._boundaryStartParent==o&&this.boundaries.start.offset>e&&(e=this.boundaries.start.offset),s=t.offset-e}const i=t.offset-r.startOffset,n=new No(r,i-s,s);return t.offset-=s,this._position=t,Lo("text",n,e,t,s)}return t.path.pop(),this._position=t,this._visitedParent=o.parent,Lo("elementStart",o,e,t,1)}}function Lo(e,t,o,s,i){return{done:!1,value:{type:e,item:t,previousPosition:o,nextPosition:s,length:i}}}class Zo extends Vo{constructor(e,t,o="toNone"){if(super(),!e.is("element")&&!e.is("documentFragment"))throw new a.Bb("model-position-root-invalid",e);if(!(t instanceof Array)||0===t.length)throw new a.Bb("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=o}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 a.Bb("model-position-path-incorrect",this,{position:this});if(e.is("$text"))throw new a.Bb("model-position-path-incorrect",this,{position:this});return e}get index(){return this.parent.offsetToIndex(this.offset)}get textNode(){return Wo(this,this.parent)}get nodeAfter(){const e=this.parent;return $o(this,e,Wo(this,e))}get nodeBefore(){const e=this.parent;return qo(this,e,Wo(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=(0,a.Rt)(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 o=new Fo(t);return o.skip(e),o.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=(0,a.Rt)(this.path,e.path),o="string"==typeof t?Math.min(this.path.length,e.path.length):t;return this.path.slice(0,o)}getCommonAncestor(e){const t=this.getAncestors(),o=e.getAncestors();let s=0;for(;t[s]==o[s]&&t[s];)s++;return 0===s?null:t[s-1]}getShiftedBy(e){const t=this.clone(),o=t.offset+e;return t.offset=o<0?0:o,t}isAfter(e){return"after"==this.compareWith(e)}isBefore(e){return"before"==this.compareWith(e)}isEqual(e){return"same"==this.compareWith(e)}isTouching(e){if(this.root!==e.root)return!1;const t=Math.min(this.path.length,e.path.length);for(let o=0;o<t;o++){const t=this.path[o]-e.path[o];if(t<-1||t>1)return!1;if(1===t)return Ho(e,this,o);if(-1===t)return Ho(this,e,o)}return this.path.length===e.path.length||(this.path.length>e.path.length?Uo(this.path,t):Uo(e.path,t))}hasSameParentAs(e){if(this.root!==e.root)return!1;const t=this.getParentPath(),o=e.getParentPath();return"same"==(0,a.Rt)(t,o)}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=Zo._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 o;return t.containsPosition(this)||t.start.isEqual(this)?(o=this._getCombined(e.sourcePosition,e.targetPosition),e.sourcePosition.isBefore(e.targetPosition)&&(o=o._getTransformedByDeletion(e.deletionPosition,1))):o=this.isEqual(e.deletionPosition)?Zo._createAt(e.deletionPosition):this._getTransformedByMove(e.deletionPosition,e.graveyardPosition,1),o}_getTransformedByDeletion(e,t){const o=Zo._createAt(this);if(this.root!=e.root)return o;if("same"==(0,a.Rt)(e.getParentPath(),this.getParentPath())){if(e.offset<this.offset){if(e.offset+t>this.offset)return null;o.offset-=t}}else if("prefix"==(0,a.Rt)(e.getParentPath(),this.getParentPath())){const s=e.path.length-1;if(e.offset<=this.path[s]){if(e.offset+t>this.path[s])return null;o.path[s]-=t}}return o}_getTransformedByInsertion(e,t){const o=Zo._createAt(this);if(this.root!=e.root)return o;if("same"==(0,a.Rt)(e.getParentPath(),this.getParentPath()))(e.offset<this.offset||e.offset==this.offset&&"toPrevious"!=this.stickiness)&&(o.offset+=t);else if("prefix"==(0,a.Rt)(e.getParentPath(),this.getParentPath())){const s=e.path.length-1;e.offset<=this.path[s]&&(o.path[s]+=t)}return o}_getTransformedByMove(e,t,o){if(t=t._getTransformedByDeletion(e,o),e.isEqual(t))return Zo._createAt(this);const s=this._getTransformedByDeletion(e,o);return null===s||e.isEqual(this)&&"toNext"==this.stickiness||e.getShiftedBy(o).isEqual(this)&&"toPrevious"==this.stickiness?this._getCombined(e,t):s._getTransformedByInsertion(t,o)}_getCombined(e,t){const o=e.path.length-1,s=Zo._createAt(t);return s.stickiness=this.stickiness,s.offset=s.offset+this.path[o]-e.offset,s.path=[...s.path,...this.path.slice(o+1)],s}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,o="toNone"){if(e instanceof Zo)return new Zo(e.root,e.path,e.stickiness);{const s=e;if("end"==t)t=s.maxOffset;else{if("before"==t)return this._createBefore(s,o);if("after"==t)return this._createAfter(s,o);if(0!==t&&!t)throw new a.Bb("model-createpositionat-offset-required",[this,e])}if(!s.is("element")&&!s.is("documentFragment"))throw new a.Bb("model-position-parent-incorrect",[this,e]);const i=s.getPath();return i.push(t),new this(s.root,i,o)}}static _createAfter(e,t){if(!e.parent)throw new a.Bb("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 a.Bb("model-position-before-root",e,{root:e});return this._createAt(e.parent,e.startOffset,t)}static fromJSON(e,t){if("$graveyard"===e.root){const o=new Zo(t.graveyard,e.path);return o.stickiness=e.stickiness,o}if(!t.getRoot(e.root))throw new a.Bb("model-position-fromjson-no-root",t,{rootName:e.root});return new Zo(t.getRoot(e.root),e.path,e.stickiness)}}function Wo(e,t){const o=t.getChild(t.offsetToIndex(e.offset));return o&&o.is("$text")&&o.startOffset<e.offset?o:null}function $o(e,t,o){return null!==o?null:t.getChild(t.offsetToIndex(e.offset))}function qo(e,t,o){return null!==o?null:t.getChild(t.offsetToIndex(e.offset)-1)}function Ho(e,t,o){return o+1!==e.path.length&&(!!Uo(t.path,o+1)&&!!function(e,t){let o=e.parent,s=e.path.length-1,i=0;for(;s>=t;){if(e.path[s]+i!==o.maxOffset)return!1;i=1,s--,o=o.parent}return!0}(e,o+1))}function Uo(e,t){for(;t<e.length;){if(0!==e[t])return!1;t++}return!0}Zo.prototype.is=function(e){return"position"===e||"model:position"===e};class Go extends Vo{constructor(e,t){super(),this.start=Zo._createAt(e),this.end=t?Zo._createAt(t):Zo._createAt(e),this.start.stickiness=this.isCollapsed?"toNone":"toNext",this.end.stickiness=this.isCollapsed?"toNone":"toPrevious"}*[Symbol.iterator](){yield*new Fo({boundaries:this,ignoreElementEnd:!0})}get isCollapsed(){return this.start.isEqual(this.end)}get isFlat(){const e=this.start.getParentPath(),t=this.end.getParentPath();return"same"==(0,a.Rt)(e,t)}get root(){return this.start.root}containsPosition(e){return e.isAfter(this.start)&&e.isBefore(this.end)}containsRange(e,t=!1){e.isCollapsed&&(t=!1);const o=this.containsPosition(e.start)||t&&this.start.isEqual(e.start),s=this.containsPosition(e.end)||t&&this.end.isEqual(e.end);return o&&s}containsItem(e){const t=Zo._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 Go(this.start,e.start)),this.containsPosition(e.end)&&t.push(new Go(e.end,this.end))):t.push(new Go(this.start,this.end)),t}getIntersection(e){if(this.isIntersecting(e)){let t=this.start,o=this.end;return this.containsPosition(e.start)&&(t=e.start),this.containsPosition(e.end)&&(o=e.end),new Go(t,o)}return null}getJoined(e,t=!1){let o=this.isIntersecting(e);if(o||(o=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)),!o)return null;let s=this.start,i=this.end;return e.start.isBefore(s)&&(s=e.start),e.end.isAfter(i)&&(i=e.end),new Go(s,i)}getMinimalFlatRanges(){const e=[],t=this.start.getCommonPath(this.end).length,o=Zo._createAt(this.start);let s=o.parent;for(;o.path.length>t+1;){const t=s.maxOffset-o.offset;0!==t&&e.push(new Go(o,o.getShiftedBy(t))),o.path=o.path.slice(0,-1),o.offset++,s=s.parent}for(;o.path.length<=this.end.path.length;){const t=this.end.path[o.path.length-1],s=t-o.offset;0!==s&&e.push(new Go(o,o.getShiftedBy(s))),o.offset=t,o.path.push(0)}return e}getWalker(e={}){return e.boundaries=this,new Fo(e)}*getItems(e={}){e.boundaries=this,e.ignoreElementEnd=!0;const t=new Fo(e);for(const e of t)yield e.item}*getPositions(e={}){e.boundaries=this;const t=new Fo(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 Go(this.start,this.end)]}getTransformedByOperations(e){const t=[new Go(this.start,this.end)];for(const o of e)for(let e=0;e<t.length;e++){const s=t[e].getTransformedByOperation(o);t.splice(e,1,...s),e+=s.length-1}for(let e=0;e<t.length;e++){const o=t[e];for(let s=e+1;s<t.length;s++){const e=t[s];(o.containsRange(e)||e.containsRange(o)||o.isEqual(e))&&t.splice(s,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 o=e.sourcePosition,s=e.howMany,i=e.targetPosition;return this._getTransformedByMove(o,i,s,t)}_getTransformedBySplitOperation(e){const t=this.start._getTransformedBySplitOperation(e);let o=this.end._getTransformedBySplitOperation(e);return this.end.isEqual(e.insertionPosition)&&(o=this.end.getShiftedBy(1)),t.root!=o.root&&(o=this.end.getShiftedBy(-1)),new Go(t,o)}_getTransformedByMergeOperation(e){if(this.start.isEqual(e.targetPosition)&&this.end.isEqual(e.deletionPosition))return new Go(this.start);let t=this.start._getTransformedByMergeOperation(e),o=this.end._getTransformedByMergeOperation(e);return t.root!=o.root&&(o=this.end.getShiftedBy(-1)),t.isAfter(o)?(e.sourcePosition.isBefore(e.targetPosition)?(t=Zo._createAt(o),t.offset=0):(e.deletionPosition.isEqual(t)||(o=e.deletionPosition),t=e.targetPosition),new Go(t,o)):new Go(t,o)}_getTransformedByInsertion(e,t,o=!1){if(o&&this.containsPosition(e))return[new Go(this.start,e),new Go(e.getShiftedBy(t),this.end._getTransformedByInsertion(e,t))];{const o=new Go(this.start,this.end);return o.start=o.start._getTransformedByInsertion(e,t),o.end=o.end._getTransformedByInsertion(e,t),[o]}}_getTransformedByMove(e,t,o,s=!1){if(this.isCollapsed){const s=this.start._getTransformedByMove(e,t,o);return[new Go(s)]}const i=Go._createFromPositionAndShift(e,o),r=t._getTransformedByDeletion(e,o);if(this.containsPosition(t)&&!s&&(i.containsPosition(this.start)||i.containsPosition(this.end))){const s=this.start._getTransformedByMove(e,t,o),i=this.end._getTransformedByMove(e,t,o);return[new Go(s,i)]}let n;const a=this.getDifference(i);let c=null;const l=this.getIntersection(i);if(1==a.length?c=new Go(a[0].start._getTransformedByDeletion(e,o),a[0].end._getTransformedByDeletion(e,o)):2==a.length&&(c=new Go(this.start,this.end._getTransformedByDeletion(e,o))),n=c?c._getTransformedByInsertion(r,o,null!==l||s):[],l){const e=new Go(l.start._getCombined(i.start,r),l.end._getCombined(i.start,r));2==n.length?n.splice(1,0,e):n.push(e)}return n}_getTransformedByDeletion(e,t){let o=this.start._getTransformedByDeletion(e,t),s=this.end._getTransformedByDeletion(e,t);return null==o&&null==s?null:(null==o&&(o=e),null==s&&(s=e),new Go(o,s))}static _createFromPositionAndShift(e,t){const o=e,s=e.getShiftedBy(t);return t>0?new this(o,s):new this(s,o)}static _createIn(e){return new this(Zo._createAt(e,0),Zo._createAt(e,e.maxOffset))}static _createOn(e){return this._createFromPositionAndShift(Zo._createBefore(e),e.offsetSize)}static _createFromRanges(e){if(0===e.length)throw new a.Bb("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 o=e.indexOf(t),s=new this(t.start,t.end);if(o>0)for(let t=o-1;e[t].end.isEqual(s.start);t++)s.start=Zo._createAt(e[t].start);for(let t=o+1;t<e.length&&e[t].start.isEqual(s.end);t++)s.end=Zo._createAt(e[t].end);return s}static fromJSON(e,t){return new this(Zo.fromJSON(e.start,t),Zo.fromJSON(e.end,t))}}Go.prototype.is=function(e){return"range"===e||"model:range"===e};class Ko extends((0,a.ln)()){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 o=this._modelToViewMapping.get(t.modelPosition.parent);if(!o)throw new a.Bb("mapping-model-position-view-parent-not-found",this,{modelPosition:t.modelPosition});t.viewPosition=this.findPositionIn(o,t.modelPosition.offset)}),{priority:"low"}),this.on("viewToModelPosition",((e,t)=>{if(t.modelPosition)return;const o=this.findMappedViewAncestor(t.viewPosition),s=this._viewToModelMapping.get(o),i=this._toModelOffset(t.viewPosition.parent,t.viewPosition.offset,o);t.modelPosition=Zo._createAt(s,i)}),{priority:"low"})}bindElements(e,t){this._modelToViewMapping.set(e,t),this._viewToModelMapping.set(t,e)}unbindViewElement(e,t={}){const o=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(o)==e&&this._modelToViewMapping.delete(o))}unbindModelElement(e){const t=this.toViewElement(e);this._modelToViewMapping.delete(e),this._viewToModelMapping.get(t)==e&&this._viewToModelMapping.delete(t)}bindElementToMarker(e,t){const o=this._markerNameToElements.get(t)||new Set;o.add(e);const s=this._elementToMarkerNames.get(e)||new Set;s.add(t),this._markerNameToElements.set(t,o),this._elementToMarkerNames.set(e,s)}unbindElementFromMarkerName(e,t){const o=this._markerNameToElements.get(t);o&&(o.delete(e),0==o.size&&this._markerNameToElements.delete(t));const s=this._elementToMarkerNames.get(e);s&&(s.delete(t),0==s.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 Go(this.toModelPosition(e.start),this.toModelPosition(e.end))}toViewRange(e){return new Ie(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 o={modelPosition:e,mapper:this,isPhantom:t.isPhantom};return this.fire("modelToViewPosition",o),o.viewPosition}markerNameToElements(e){const t=this._markerNameToElements.get(e);if(!t)return null;const o=new Set;for(const e of t)if(e.is("attributeElement"))for(const t of e.getElementsWithSameId())o.add(t);else o.add(e);return o}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,o){if(o!=e){return this._toModelOffset(e.parent,e.index,o)+this._toModelOffset(e,t,e)}if(e.is("$text"))return t;let s=0;for(let o=0;o<t;o++)s+=this.getModelLength(e.getChild(o));return s}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("$text"))return e.data.length;if(e.is("uiElement"))return 0;{let t=0;for(const o of e.getChildren())t+=this.getModelLength(o);return t}}findPositionIn(e,t){let o,s=0,i=0,r=0;if(e.is("$text"))return new Be(e,t);for(;i<t;)o=e.getChild(r),s=this.getModelLength(o),i+=s,r++;return i==t?this._moveViewPositionToTextNode(new Be(e,r)):this.findPositionIn(o,t-(i-s))}_moveViewPositionToTextNode(e){const t=e.nodeBefore,o=e.nodeAfter;return t instanceof y?new Be(t,t.data.length):o instanceof y?new Be(o,0):e}}class Jo{constructor(){this._consumable=new Map,this._textProxyRegistry=new Map}add(e,t){t=Yo(t),e instanceof No&&(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=Yo(t),e instanceof No&&(e=this._getSymbolForTextProxy(e)),!!this.test(e,t)&&(this._consumable.get(e).set(t,!1),!0)}test(e,t){t=Yo(t),e instanceof No&&(e=this._getSymbolForTextProxy(e));const o=this._consumable.get(e);if(void 0===o)return null;const s=o.get(t);return void 0===s?null:s}revert(e,t){t=Yo(t),e instanceof No&&(e=this._getSymbolForTextProxy(e));const o=this.test(e,t);return!1===o?(this._consumable.get(e).set(t,!0),!0):!0!==o&&null}verifyAllConsumed(e){const t=[];for(const[o,s]of this._consumable)for(const[i,r]of s){const s=i.split(":")[0];r&&e==s&&t.push({event:i,item:o.name||o.description})}if(t.length)throw new a.Bb("conversion-model-consumable-not-consumed",null,{items:t})}_getSymbolForTextProxy(e){let t=null;const o=this._textProxyRegistry.get(e.startOffset);if(o){const s=o.get(e.endOffset);s&&(t=s.get(e.parent))}return t||(t=this._addSymbolForTextProxy(e)),t}_addSymbolForTextProxy(e){const t=e.startOffset,o=e.endOffset,s=e.parent,i=Symbol("$textProxy:"+e.data);let r,n;return r=this._textProxyRegistry.get(t),r||(r=new Map,this._textProxyRegistry.set(t,r)),n=r.get(o),n||(n=new Map,r.set(o,n)),n.set(s,i),i}}function Yo(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]}var Xo=Object.defineProperty,Qo=Object.defineProperties,es=Object.getOwnPropertyDescriptors,ts=Object.getOwnPropertySymbols,os=Object.prototype.hasOwnProperty,ss=Object.prototype.propertyIsEnumerable,is=(e,t,o)=>t in e?Xo(e,t,{enumerable:!0,configurable:!0,writable:!0,value:o}):e[t]=o,rs=(e,t)=>{for(var o in t||(t={}))os.call(t,o)&&is(e,o,t[o]);if(ts)for(var o of ts(t))ss.call(t,o)&&is(e,o,t[o]);return e},ns=(e,t)=>Qo(e,es(t));class as extends((0,a.ln)()){constructor(e){super(),this._conversionApi=rs({dispatcher:this},e),this._firedEventsMap=new WeakMap}convertChanges(e,t,o){const s=this._createConversionApi(o,e.getRefreshedItems());for(const t of e.getMarkersToRemove())this._convertMarkerRemove(t.name,t.range,s);const i=this._reduceChanges(e.getChanges());for(const e of i)"insert"===e.type?this._convertInsert(Go._createFromPositionAndShift(e.position,e.length),s):"reinsert"===e.type?this._convertReinsert(Go._createFromPositionAndShift(e.position,e.length),s):"remove"===e.type?this._convertRemove(e.position,e.length,e.name,s):this._convertAttribute(e.range,e.attributeKey,e.attributeOldValue,e.attributeNewValue,s);s.mapper.flushDeferredBindings();for(const e of s.mapper.flushUnboundMarkerNames()){const o=t.get(e).getRange();this._convertMarkerRemove(e,o,s),this._convertMarkerAdd(e,o,s)}for(const t of e.getMarkersToAdd())this._convertMarkerAdd(t.name,t.range,s);s.consumable.verifyAllConsumed("insert")}convert(e,t,o,s={}){const i=this._createConversionApi(o,void 0,s);this._convertInsert(e,i);for(const[e,o]of t)this._convertMarkerAdd(e,o,i);i.consumable.verifyAllConsumed("insert")}convertSelection(e,t,o){const s=this._createConversionApi(o);this.fire("cleanSelection",{selection:e},s);const i=e.getFirstPosition().root;if(!s.mapper.toViewElement(i))return;const r=Array.from(t.getMarkersAtPosition(e.getFirstPosition()));if(this._addConsumablesForSelection(s.consumable,e,r),this.fire("selection",{selection:e},s),e.isCollapsed){for(const t of r)if(s.consumable.test(e,"addMarker:"+t.name)){const o=t.getRange();if(!cs(e.getFirstPosition(),t,s.mapper))continue;const i={item:e,markerName:t.name,markerRange:o};this.fire(`addMarker:${t.name}`,i,s)}for(const t of e.getAttributeKeys())if(s.consumable.test(e,"attribute:"+t)){const o={item:e,range:e.getFirstRange(),attributeKey:t,attributeOldValue:null,attributeNewValue:e.getAttribute(t)};this.fire(`attribute:${t}:$text`,o,s)}}}_convertInsert(e,t,o={}){o.doNotAddConsumables||this._addConsumablesForInsert(t.consumable,e);for(const o of Array.from(e.getWalker({shallow:!0})).map(ls))this._testAndFire("insert",o,t)}_convertRemove(e,t,o,s){this.fire(`remove:${o}`,{position:e,length:t},s)}_convertAttribute(e,t,o,s,i){this._addConsumablesForRange(i.consumable,e,`attribute:${t}`);for(const r of e){const e={item:r.item,range:Go._createFromPositionAndShift(r.previousPosition,r.length),attributeKey:t,attributeOldValue:o,attributeNewValue:s};this._testAndFire(`attribute:${t}`,e,i)}}_convertReinsert(e,t){const o=Array.from(e.getWalker({shallow:!0}));this._addConsumablesForInsert(t.consumable,o);for(const e of o.map(ls))this._testAndFire("insert",ns(rs({},e),{reconversion:!0}),t)}_convertMarkerAdd(e,t,o){if("$graveyard"==t.root.rootName)return;const s=`addMarker:${e}`;if(o.consumable.add(t,s),this.fire(s,{markerName:e,markerRange:t},o),o.consumable.consume(t,s)){this._addConsumablesForRange(o.consumable,t,s);for(const i of t.getItems()){if(!o.consumable.test(i,s))continue;const r={item:i,range:Go._createOn(i),markerName:e,markerRange:t};this.fire(s,r,o)}}}_convertMarkerRemove(e,t,o){"$graveyard"!=t.root.rootName&&this.fire(`removeMarker:${e}`,{markerName:e,markerRange:t},o)}_reduceChanges(e){const t={changes:e};return this.fire("reduceChanges",t),t.changes}_addConsumablesForInsert(e,t){for(const o of t){const t=o.item;if(null===e.test(t,"insert")){e.add(t,"insert");for(const o of t.getAttributeKeys())e.add(t,"attribute:"+o)}}return e}_addConsumablesForRange(e,t,o){for(const s of t.getItems())e.add(s,o);return e}_addConsumablesForSelection(e,t,o){e.add(t,"selection");for(const s of o)e.add(t,"addMarker:"+s.name);for(const o of t.getAttributeKeys())e.add(t,"attribute:"+o);return e}_testAndFire(e,t,o){const s=function(e,t){const o=t.item.is("element")?t.item.name:"$text";return`${e}:${o}`}(e,t),i=t.item.is("$textProxy")?o.consumable._getSymbolForTextProxy(t.item):t.item,r=this._firedEventsMap.get(o),n=r.get(i);if(n){if(n.has(s))return;n.add(s)}else r.set(i,new Set([s]));this.fire(s,t,o)}_testAndFireAddAttributes(e,t){const o={item:e,range:Go._createOn(e)};for(const e of o.item.getAttributeKeys())o.attributeKey=e,o.attributeOldValue=null,o.attributeNewValue=o.item.getAttribute(e),this._testAndFire(`attribute:${e}`,o,t)}_createConversionApi(e,t=new Set,o={}){const s=ns(rs({},this._conversionApi),{consumable:new Jo,writer:e,options:o,convertItem:e=>this._convertInsert(Go._createOn(e),s),convertChildren:e=>this._convertInsert(Go._createIn(e),s,{doNotAddConsumables:!0}),convertAttributes:e=>this._testAndFireAddAttributes(e,s),canReuseView:e=>!t.has(s.mapper.toModelElement(e))});return this._firedEventsMap.set(s,new Map),s}}function cs(e,t,o){const s=t.getRange(),i=Array.from(e.getAncestors());i.shift(),i.reverse();return!i.some((e=>{if(s.containsItem(e)){return!!o.toViewElement(e).getCustomProperty("addHighlight")}}))}function ls(e){return{item:e.item,range:Go._createFromPositionAndShift(e.previousPosition,e.length)}}class ds extends((0,a.ln)(Vo)){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 o=!1;for(const s of e._ranges)if(t.isEqual(s)){o=!0;break}if(!o)return!1}return!0}*getRanges(){for(const e of this._ranges)yield new Go(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 Go(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 Go(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,o,s]=e;if("object"==typeof o&&(s=o,o=void 0),null===t)this._setRanges([]);else if(t instanceof ds)this._setRanges(t.getRanges(),t.isBackward);else if(t&&"function"==typeof t.getRanges)this._setRanges(t.getRanges(),t.isBackward);else if(t instanceof Go)this._setRanges([t],!!s&&!!s.backward);else if(t instanceof Zo)this._setRanges([new Go(t)]);else if(t instanceof Bo){const e=!!s&&!!s.backward;let i;if("in"==o)i=Go._createIn(t);else if("on"==o)i=Go._createOn(t);else{if(void 0===o)throw new a.Bb("model-selection-setto-required-second-parameter",[this,t]);i=new Go(Zo._createAt(t,o))}this._setRanges([i],e)}else{if(!(0,a.TW)(t))throw new a.Bb("model-selection-setto-not-selectable",[this,t]);this._setRanges(t,s&&!!s.backward)}}_setRanges(e,t=!1){const o=Array.from(e),s=o.some((t=>{if(!(t instanceof Go))throw new a.Bb("model-selection-set-ranges-not-range",[this,e]);return this._ranges.every((e=>!e.isEqual(t)))}));(o.length!==this._ranges.length||s)&&(this._replaceAllRanges(o),this._lastRangeBackward=!!t,this.fire("change:range",{directChange:!0}))}setFocus(e,t){if(null===this.anchor)throw new a.Bb("model-selection-setfocus-no-ranges",[this,e]);const o=Zo._createAt(e,t);if("same"==o.compareWith(this.focus))return;const s=this.anchor;this._ranges.length&&this._popRange(),"before"==o.compareWith(s)?(this._pushRange(new Go(o,s)),this._lastRangeBackward=!0):(this._pushRange(new Go(s,o)),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 o=ps(t.start,e);gs(o,t)&&(yield o);for(const o of t.getWalker()){const s=o.item;"elementEnd"==o.type&&us(s,e,t)&&(yield s)}const s=ps(t.end,e);ms(s,t)&&(yield s)}}containsEntireContent(e=this.anchor.root){const t=Zo._createAt(e,0),o=Zo._createAt(e,"end");return t.isTouching(this.getFirstPosition())&&o.isTouching(this.getLastPosition())}_pushRange(e){this._checkRange(e),this._ranges.push(new Go(e.start,e.end))}_checkRange(e){for(let t=0;t<this._ranges.length;t++)if(e.isIntersecting(this._ranges[t]))throw new a.Bb("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 hs(e,t){return!t.has(e)&&(t.add(e),e.root.document.model.schema.isBlock(e)&&!!e.parent)}function us(e,t,o){return hs(e,t)&&fs(e,o)}function ps(e,t){const o=e.parent.root.document.model.schema,s=e.parent.getAncestors({parentFirst:!0,includeSelf:!0});let i=!1;const r=s.find((e=>!i&&(i=o.isLimit(e),!i&&hs(e,t))));return s.forEach((e=>t.add(e))),r}function fs(e,t){const o=function(e){const t=e.root.document.model.schema;let o=e.parent;for(;o;){if(t.isBlock(o))return o;o=o.parent}}(e);if(!o)return!0;return!t.containsRange(Go._createOn(o),!0)}function gs(e,t){return!!e&&(!(!t.isCollapsed&&!e.isEmpty)||!t.start.isTouching(Zo._createAt(e,e.maxOffset))&&fs(e,t))}function ms(e,t){return!!e&&(!(!t.isCollapsed&&!e.isEmpty)||!t.end.isTouching(Zo._createAt(e,0))&&fs(e,t))}ds.prototype.is=function(e){return"selection"===e||"model:selection"===e};class bs extends((0,a.ln)(Go)){constructor(e,t){super(e,t),_s.call(this)}detach(){this.stopListening()}toRange(){return new Go(this.start,this.end)}static fromRange(e){return new bs(e.start,e.end)}}function _s(){this.listenTo(this.root.document.model,"applyOperation",((e,t)=>{const o=t[0];o.isDocumentOperation&&ks.call(this,o)}),{priority:"low"})}function ks(e){const t=this.getTransformedByOperation(e),o=Go._createFromRanges(t),s=!o.isEqual(this),i=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(s){"$graveyard"==o.root.rootName&&(r="remove"==e.type?e.sourcePosition:e.deletionPosition);const t=this.toRange();this.start=o.start,this.end=o.end,this.fire("change:range",t,{deletionPosition:r})}else i&&this.fire("change:content",this.toRange(),{deletionPosition:r})}bs.prototype.is=function(e){return"liveRange"===e||"model:liveRange"===e||"range"==e||"model:range"===e};const ws="selection:";class vs extends((0,a.ln)(Vo)){constructor(e){super(),this._selection=new ys(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 ws+e}static _isStoreAttributeKey(e){return e.startsWith(ws)}}vs.prototype.is=function(e){return"selection"===e||"model:selection"==e||"documentSelection"==e||"model:documentSelection"==e};class ys extends ds{constructor(e){super(),this.markers=new a.FE({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 o=t[0];o.isDocumentOperation&&"marker"!=o.type&&"rename"!=o.type&&"noop"!=o.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,o,s)=>{this._updateMarker(t,s)})),this.listenTo(this._document,"change",((e,t)=>{!function(e,t){const o=e.document.differ;for(const s of o.getChanges()){if("insert"!=s.type)continue;const o=s.position.parent;s.length===o.maxOffset&&e.enqueueChange(t,(e=>{const t=Array.from(o.getAttributeKeys()).filter((e=>e.startsWith(ws)));for(const s of t)e.removeAttribute(s,o)}))}}(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=(0,a.hQ)();return this._overriddenGravityRegister.add(e),1===this._overriddenGravityRegister.size&&this._updateAttributes(!0),e}restoreGravity(e){if(!this._overriddenGravityRegister.has(e))throw new a.Bb("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 a.Bb("document-selection-wrong-position",this,{range:t})}_prepareRange(e){if(this._checkRange(e),e.root==this._document.graveyard)return;const t=bs.fromRange(e);return t.on("change:range",((e,o,s)=>{if(this._hasChangedRange=!0,t.root==this._document.graveyard){this._selectionRestorePosition=s.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 o=t.name.split(":",1)[0];if(!this._observedMarkers.has(o))continue;const s=t.getRange();for(const o of this.getRanges())s.containsRange(o,!o.isCollapsed)&&e.push(t)}const o=Array.from(this.markers);for(const o of e)this.markers.has(o)||(this.markers.add(o),t=!0);for(const o of Array.from(this.markers))e.includes(o)||(this.markers.remove(o),t=!0);t&&this.fire("change:marker",{oldMarkers:o,directChange:!1})}_updateMarker(e,t){const o=e.name.split(":",1)[0];if(!this._observedMarkers.has(o))return;let s=!1;const i=Array.from(this.markers),r=this.markers.has(e);if(t){let o=!1;for(const e of this.getRanges())if(t.containsRange(e,!e.isCollapsed)){o=!0;break}o&&!r?(this.markers.add(e),s=!0):!o&&r&&(this.markers.remove(e),s=!0)}else r&&(this.markers.remove(e),s=!0);s&&this.fire("change:marker",{oldMarkers:i,directChange:!1})}_updateAttributes(e){const t=(0,a.qL)(this._getSurroundingAttributes()),o=(0,a.qL)(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 s=[];for(const[e,t]of this.getAttributes())o.has(e)&&o.get(e)===t||s.push(e);for(const[e]of o)this.hasAttribute(e)||s.push(e);s.length>0&&this.fire("change:attribute",{attributeKeys:s,directChange:!1})}_setAttribute(e,t,o=!0){const s=o?"normal":"low";if("low"==s&&"normal"==this._attributePriority.get(e))return!1;return super.getAttribute(e)!==t&&(this._attrs.set(e,t),this._attributePriority.set(e,s),!0)}_removeAttribute(e,t=!0){const o=t?"normal":"low";return("low"!=o||"normal"!=this._attributePriority.get(e))&&(this._attributePriority.set(e,o),!!super.hasAttribute(e)&&(this._attrs.delete(e),!0))}_setAttributesTo(e){const t=new Set;for(const[t,o]of this.getAttributes())e.get(t)!==o&&this._removeAttribute(t,!1);for(const[o,s]of e){this._setAttribute(o,s,!1)&&t.add(o)}return t}*getStoredAttributes(){const e=this.getFirstPosition().parent;if(this.isCollapsed&&e.isEmpty)for(const t of e.getAttributeKeys())if(t.startsWith(ws)){const o=t.substr(10);yield[o,e.getAttribute(t)]}}_getSurroundingAttributes(){const e=this.getFirstPosition(),t=this._model.schema;if("$graveyard"==e.root.rootName)return null;let o=null;if(this.isCollapsed){const s=e.textNode?e.textNode:e.nodeBefore,i=e.textNode?e.textNode:e.nodeAfter;if(this.isGravityOverridden||(o=xs(s,t)),o||(o=xs(i,t)),!this.isGravityOverridden&&!o){let e=s;for(;e&&!o;)e=e.previousSibling,o=xs(e,t)}if(!o){let e=i;for(;e&&!o;)e=e.nextSibling,o=xs(e,t)}o||(o=this.getStoredAttributes())}else{const e=this.getFirstRange();for(const s of e){if(s.item.is("element")&&t.isObject(s.item)){o=xs(s.item,t);break}if("text"==s.type){o=s.item.getAttributes();break}}}return o}_fixGraveyardSelection(e){const t=this._model.schema.getNearestSelectionRange(e);t&&this._pushRange(t)}}function xs(e,t){if(!e)return null;if(e instanceof No||e instanceof Do)return e.getAttributes();if(!t.isInline(e))return null;if(!t.isObject(e))return[];const o=[];for(const[s,i]of e.getAttributes())t.checkAttribute("$text",s)&&!1!==t.getAttributeProperties(s).copyFromObject&&o.push([s,i]);return o}class Ps{constructor(e){this._dispatchers=e}add(e){for(const t of this._dispatchers)e(t);return this}}class Cs extends Ps{elementToElement(e){return this.add(function(e){const t=As(e.model),o=Ss(e.view,"container");t.attributes.length&&(t.children=!0);return s=>{s.on(`insert:${t.name}`,function(e,t=Ds){return(o,s,i)=>{if(!t(s.item,i.consumable,{preflight:!0}))return;const r=e(s.item,i,s);if(!r)return;t(s.item,i.consumable);const n=i.mapper.toViewPosition(s.range.start);i.mapper.bindElements(s.item,r),i.writer.insert(n,r),i.convertAttributes(s.item),Bs(r,s.item.getChildren(),i,{reconversion:s.reconversion})}}(o,Vs(t)),{priority:e.converterPriority||"normal"}),(t.children||t.attributes.length)&&s.on("reduceChanges",Ms(t),{priority:"low"})}}(e))}elementToStructure(e){return this.add(function(e){const t=As(e.model),o=Ss(e.view,"container");return t.children=!0,s=>{if(s._conversionApi.schema.checkChild(t.name,"$text"))throw new a.Bb("conversion-element-to-structure-disallowed-text",s,{elementName:t.name});var i,r;s.on(`insert:${t.name}`,(i=o,r=Vs(t),(e,t,o)=>{if(!r(t.item,o.consumable,{preflight:!0}))return;const s=new Map;o.writer._registerSlotFactory(function(e,t,o){return(s,i)=>{const r=s.createContainerElement("$slot");let n=null;if("children"===i)n=Array.from(e.getChildren());else{if("function"!=typeof i)throw new a.Bb("conversion-slot-mode-unknown",o.dispatcher,{modeOrFilter:i});n=Array.from(e.getChildren()).filter((e=>i(e)))}return t.set(r,n),r}}(t.item,s,o));const n=i(t.item,o,t);if(o.writer._clearSlotFactory(),!n)return;!function(e,t,o){const s=Array.from(t.values()).flat(),i=new Set(s);if(i.size!=s.length)throw new a.Bb("conversion-slot-filter-overlap",o.dispatcher,{element:e});if(i.size!=e.childCount)throw new a.Bb("conversion-slot-filter-incomplete",o.dispatcher,{element:e})}(t.item,s,o),r(t.item,o.consumable);const c=o.mapper.toViewPosition(t.range.start);o.mapper.bindElements(t.item,n),o.writer.insert(c,n),o.convertAttributes(t.item),function(e,t,o,s){o.mapper.on("modelToViewPosition",n,{priority:"highest"});let i=null,r=null;for([i,r]of t)Bs(e,r,o,s),o.writer.move(o.writer.createRangeIn(i),o.writer.createPositionBefore(i)),o.writer.remove(i);function n(e,t){const o=t.modelPosition.nodeAfter,s=r.indexOf(o);s<0||(t.viewPosition=t.mapper.findPositionIn(i,s))}o.mapper.off("modelToViewPosition",n)}(n,s,o,{reconversion:t.reconversion})}),{priority:e.converterPriority||"normal"}),s.on("reduceChanges",Ms(t),{priority:"low"})}}(e))}attributeToElement(e){return this.add(function(e){e=jo(e);let t=e.model;"string"==typeof t&&(t={key:t});let o=`attribute:${t.key}`;t.name&&(o+=":"+t.name);if(t.values)for(const o of t.values)e.view[o]=Ss(e.view[o],"attribute");else e.view=Ss(e.view,"attribute");const s=Os(e);return t=>{t.on(o,function(e){return(t,o,s)=>{if(!s.consumable.test(o.item,t.name))return;const i=e(o.attributeOldValue,s,o),r=e(o.attributeNewValue,s,o);if(!i&&!r)return;s.consumable.consume(o.item,t.name);const n=s.writer,a=n.document.selection;if(o.item instanceof ds||o.item instanceof vs)n.wrap(a.getFirstRange(),r);else{let e=s.mapper.toViewRange(o.range);null!==o.attributeOldValue&&i&&(e=n.unwrap(e,i)),null!==o.attributeNewValue&&r&&n.wrap(e,r)}}}(s),{priority:e.converterPriority||"normal"})}}(e))}attributeToAttribute(e){return this.add(function(e){e=jo(e);let t=e.model;"string"==typeof t&&(t={key:t});let o=`attribute:${t.key}`;t.name&&(o+=":"+t.name);if(t.values)for(const o of t.values)e.view[o]=Rs(e.view[o]);else e.view=Rs(e.view);const s=Os(e);return t=>{var i;t.on(o,(i=s,(e,t,o)=>{if(!o.consumable.test(t.item,e.name))return;const s=i(t.attributeOldValue,o,t),r=i(t.attributeNewValue,o,t);if(!s&&!r)return;o.consumable.consume(t.item,e.name);const n=o.mapper.toViewElement(t.item),c=o.writer;if(!n)throw new a.Bb("conversion-attribute-to-attribute-on-text",o.dispatcher,t);if(null!==t.attributeOldValue&&s)if("class"==s.key){const e=(0,a.qo)(s.value);for(const t of e)c.removeClass(t,n)}else if("style"==s.key){const e=Object.keys(s.value);for(const t of e)c.removeStyle(t,n)}else c.removeAttribute(s.key,n);if(null!==t.attributeNewValue&&r)if("class"==r.key){const e=(0,a.qo)(r.value);for(const t of e)c.addClass(t,n)}else if("style"==r.key){const e=Object.keys(r.value);for(const t of e)c.setStyle(t,r.value[t],n)}else c.setAttribute(r.key,r.value,n)}),{priority:e.converterPriority||"normal"})}}(e))}markerToElement(e){return this.add(function(e){const t=Ss(e.view,"ui");return o=>{var s;o.on(`addMarker:${e.model}`,(s=t,(e,t,o)=>{t.isOpening=!0;const i=s(t,o);t.isOpening=!1;const r=s(t,o);if(!i||!r)return;const n=t.markerRange;if(n.isCollapsed&&!o.consumable.consume(n,e.name))return;for(const t of n)if(!o.consumable.consume(t.item,e.name))return;const a=o.mapper,c=o.writer;c.insert(a.toViewPosition(n.start),i),o.mapper.bindElementToMarker(i,t.markerName),n.isCollapsed||(c.insert(a.toViewPosition(n.end),r),o.mapper.bindElementToMarker(r,t.markerName)),e.stop()}),{priority:e.converterPriority||"normal"}),o.on(`removeMarker:${e.model}`,((e,t,o)=>{const s=o.mapper.markerNameToElements(t.markerName);if(s){for(const e of s)o.mapper.unbindElementFromMarkerName(e,t.markerName),o.writer.clear(o.writer.createRangeOn(e),e);o.writer.clearClonedElementsGroup(t.markerName),e.stop()}}),{priority:e.converterPriority||"normal"})}}(e))}markerToHighlight(e){return this.add(function(e){return t=>{var o;t.on(`addMarker:${e.model}`,(o=e.view,(e,t,s)=>{if(!t.item)return;if(!(t.item instanceof ds||t.item instanceof vs||t.item.is("$textProxy")))return;const i=js(o,t,s);if(!i)return;if(!s.consumable.consume(t.item,e.name))return;const r=s.writer,n=Ts(r,i),a=r.document.selection;if(t.item instanceof ds||t.item instanceof vs)r.wrap(a.getFirstRange(),n);else{const e=s.mapper.toViewRange(t.range),o=r.wrap(e,n);for(const e of o.getItems())if(e.is("attributeElement")&&e.isSimilar(n)){s.mapper.bindElementToMarker(e,t.markerName);break}}}),{priority:e.converterPriority||"normal"}),t.on(`addMarker:${e.model}`,function(e){return(t,o,s)=>{if(!o.item)return;if(!(o.item instanceof zo))return;const i=js(e,o,s);if(!i)return;if(!s.consumable.test(o.item,t.name))return;const r=s.mapper.toViewElement(o.item);if(r&&r.getCustomProperty("addHighlight")){s.consumable.consume(o.item,t.name);for(const e of Go._createIn(o.item))s.consumable.consume(e.item,t.name);r.getCustomProperty("addHighlight")(r,i,s.writer),s.mapper.bindElementToMarker(r,o.markerName)}}}(e.view),{priority:e.converterPriority||"normal"}),t.on(`removeMarker:${e.model}`,function(e){return(t,o,s)=>{if(o.markerRange.isCollapsed)return;const i=js(e,o,s);if(!i)return;const r=Ts(s.writer,i),n=s.mapper.markerNameToElements(o.markerName);if(n){for(const e of n)if(s.mapper.unbindElementFromMarkerName(e,o.markerName),e.is("attributeElement"))s.writer.unwrap(s.writer.createRangeOn(e),r);else{e.getCustomProperty("removeHighlight")(e,i.id,s.writer)}s.writer.clearClonedElementsGroup(o.markerName),t.stop()}}}(e.view),{priority:e.converterPriority||"normal"})}}(e))}markerToData(e){return this.add(function(e){e=jo(e);const t=e.model;let o=e.view;o||(o=o=>({group:t,name:o.substr(e.model.length+1)}));return s=>{var i;s.on(`addMarker:${t}`,(i=o,(e,t,o)=>{const s=i(t.markerName,o);if(!s)return;const r=t.markerRange;o.consumable.consume(r,e.name)&&(Es(r,!1,o,t,s),Es(r,!0,o,t,s),e.stop())}),{priority:e.converterPriority||"normal"}),s.on(`removeMarker:${t}`,function(e){return(t,o,s)=>{const i=e(o.markerName,s);if(!i)return;const r=s.mapper.markerNameToElements(o.markerName);if(r){for(const e of r)s.mapper.unbindElementFromMarkerName(e,o.markerName),e.is("containerElement")?(n(`data-${i.group}-start-before`,e),n(`data-${i.group}-start-after`,e),n(`data-${i.group}-end-before`,e),n(`data-${i.group}-end-after`,e)):s.writer.clear(s.writer.createRangeOn(e),e);s.writer.clearClonedElementsGroup(o.markerName),t.stop()}function n(e,t){if(t.hasAttribute(e)){const o=new Set(t.getAttribute(e).split(","));o.delete(i.name),0==o.size?s.writer.removeAttribute(e,t):s.writer.setAttribute(e,Array.from(o).join(","),t)}}}}(o),{priority:e.converterPriority||"normal"})}}(e))}}function Ts(e,t){const o=e.createAttributeElement("span",t.attributes);return t.classes&&o._addClass(t.classes),"number"==typeof t.priority&&(o._priority=t.priority),o._id=t.id,o}function Es(e,t,o,s,i){const r=t?e.start:e.end,n=r.nodeAfter&&r.nodeAfter.is("element")?r.nodeAfter:null,a=r.nodeBefore&&r.nodeBefore.is("element")?r.nodeBefore:null;if(n||a){let e,r;t&&n||!t&&!a?(e=n,r=!0):(e=a,r=!1);const c=o.mapper.toViewElement(e);if(c)return void function(e,t,o,s,i,r){const n=`data-${r.group}-${t?"start":"end"}-${o?"before":"after"}`,a=e.hasAttribute(n)?e.getAttribute(n).split(","):[];a.unshift(r.name),s.writer.setAttribute(n,a.join(","),e),s.mapper.bindElementToMarker(e,i.markerName)}(c,t,r,o,s,i)}!function(e,t,o,s,i){const r=`${i.group}-${t?"start":"end"}`,n=i.name?{name:i.name}:null,a=o.writer.createUIElement(r,n);o.writer.insert(e,a),o.mapper.bindElementToMarker(a,s.markerName)}(o.mapper.toViewPosition(r),t,o,s,i)}function As(e){return"string"==typeof e&&(e={name:e}),{name:e.name,attributes:e.attributes?(0,a.qo)(e.attributes):[],children:!!e.children}}function Ss(e,t){return"function"==typeof e?e:(o,s)=>function(e,t,o){"string"==typeof e&&(e={name:e});let s;const i=t.writer,r=Object.assign({},e.attributes);if("container"==o)s=i.createContainerElement(e.name,r);else if("attribute"==o){const t={priority:e.priority||Ge.DEFAULT_PRIORITY};s=i.createAttributeElement(e.name,r,t)}else s=i.createUIElement(e.name,r);if(e.styles){const t=Object.keys(e.styles);for(const o of t)i.setStyle(o,e.styles[o],s)}if(e.classes){const t=e.classes;if("string"==typeof t)i.addClass(t,s);else for(const e of t)i.addClass(e,s)}return s}(e,s,t)}function Os(e){return e.model.values?(t,o,s)=>{const i=e.view[t];return i?i(t,o,s):null}:e.view}function Rs(e){return"string"==typeof e?t=>({key:e,value:t}):"object"==typeof e?e.value?()=>e:t=>({key:e.key,value:t}):e}function js(e,t,o){const s="function"==typeof e?e(t,o):e;return s?(s.priority||(s.priority=10),s.id||(s.id=t.markerName),s):null}function Ms(e){const t=function(e){return(t,o)=>{if(!t.is("element",e.name))return!1;if("attribute"==o.type){if(e.attributes.includes(o.attributeKey))return!0}else if(e.children)return!0;return!1}}(e);return(e,o)=>{const s=[];o.reconvertedElements||(o.reconvertedElements=new Set);for(const e of o.changes){const i="attribute"==e.type?e.range.start.nodeAfter:e.position.parent;if(i&&t(i,e)){if(!o.reconvertedElements.has(i)){o.reconvertedElements.add(i);const e=Zo._createBefore(i);let t=s.length;for(let o=s.length-1;o>=0;o--){const i=s[o],r=("attribute"==i.type?i.range.start:i.position).compareWith(e);if("before"==r||"remove"==i.type&&"same"==r)break;t=o}s.splice(t,0,{type:"remove",name:i.name,position:e,length:1},{type:"reinsert",name:i.name,position:e,length:1})}}else s.push(e)}o.changes=s}}function Vs(e){return(t,o,s={})=>{const i=["insert"];for(const o of e.attributes)t.hasAttribute(o)&&i.push(`attribute:${o}`);return!!i.every((e=>o.test(t,e)))&&(s.preflight||i.forEach((e=>o.consume(t,e))),!0)}}function Bs(e,t,o,s){for(const i of t)Is(e.root,i,o,s)||o.convertItem(i)}function Is(e,t,o,s){const{writer:i,mapper:r}=o;if(!s.reconversion)return!1;const n=r.toViewElement(t);return!(!n||n.root==e)&&(!!o.canReuseView(n)&&(i.move(i.createRangeOn(n),r.toViewPosition(Zo._createBefore(t))),!0))}function Ds(e,t,{preflight:o}={}){return o?t.test(e,"insert"):t.consume(e,"insert")}function Ns(e){const{schema:t,document:o}=e.model;for(const s of o.getRoots())if(s.isEmpty&&!t.checkChild(s,"$text")&&t.checkChild(s,"paragraph"))return e.insertElement("paragraph",s),!0;return!1}function zs(e,t,o){const s=o.createContext(e);return!!o.checkChild(s,"paragraph")&&!!o.checkChild(s.push("paragraph"),t)}function Fs(e,t){const o=t.createElement("paragraph");return t.insert(o,e),t.createPositionAt(o,0)}var Ls=Object.defineProperty,Zs=Object.defineProperties,Ws=Object.getOwnPropertyDescriptors,$s=Object.getOwnPropertySymbols,qs=Object.prototype.hasOwnProperty,Hs=Object.prototype.propertyIsEnumerable,Us=(e,t,o)=>t in e?Ls(e,t,{enumerable:!0,configurable:!0,writable:!0,value:o}):e[t]=o;class Gs extends Ps{elementToElement(e){return this.add(Ks(e))}elementToAttribute(e){return this.add(function(e){e=jo(e),Xs(e);const t=Qs(e,!1),o=Js(e.view),s=o?`element:${o}`:"element";return o=>{o.on(s,t,{priority:e.converterPriority||"low"})}}(e))}attributeToAttribute(e){return this.add(function(e){e=jo(e);let t=null;("string"==typeof e.view||e.view.key)&&(t=function(e){"string"==typeof e.view&&(e.view={key:e.view});const t=e.view.key;let o;if("class"==t||"style"==t){o={["class"==t?"classes":"styles"]:e.view.value}}else{o={attributes:{[t]:void 0===e.view.value?/[\s\S]*/:e.view.value}}}e.view.name&&(o.name=e.view.name);return e.view=o,t}(e));Xs(e,t);const o=Qs(e,!0);return t=>{t.on("element",o,{priority:e.converterPriority||"low"})}}(e))}elementToMarker(e){return this.add(function(e){const t=function(e){return(t,o)=>{const s="string"==typeof e?e:e(t,o);return o.writer.createElement("$marker",{"data-name":s})}}(e.model);return Ks((o=((e,t)=>{for(var o in t||(t={}))qs.call(t,o)&&Us(e,o,t[o]);if($s)for(var o of $s(t))Hs.call(t,o)&&Us(e,o,t[o]);return e})({},e),s={model:t},Zs(o,Ws(s))));var o,s}(e))}dataToMarker(e){return this.add(function(e){e=jo(e),e.model||(e.model=t=>t?e.view+":"+t:e.view);const t={view:e.view,model:e.model},o=Ys(ei(t,"start")),s=Ys(ei(t,"end"));return i=>{i.on(`element:${e.view}-start`,o,{priority:e.converterPriority||"normal"}),i.on(`element:${e.view}-end`,s,{priority:e.converterPriority||"normal"});const r=a.tA.low,n=a.tA.highest,c=a.tA.get(e.converterPriority)/n;i.on("element",function(e){return(t,o,s)=>{const i=`data-${e.view}`;function r(t,i){for(const r of i){const i=e.model(r,s),n=s.writer.createElement("$marker",{"data-name":i});s.writer.insert(n,t),o.modelCursor.isEqual(t)?o.modelCursor=o.modelCursor.getShiftedBy(1):o.modelCursor=o.modelCursor._getTransformedByInsertion(t,1),o.modelRange=o.modelRange._getTransformedByInsertion(t,1)[0]}}(s.consumable.test(o.viewItem,{attributes:i+"-end-after"})||s.consumable.test(o.viewItem,{attributes:i+"-start-after"})||s.consumable.test(o.viewItem,{attributes:i+"-end-before"})||s.consumable.test(o.viewItem,{attributes:i+"-start-before"}))&&(o.modelRange||Object.assign(o,s.convertChildren(o.viewItem,o.modelCursor)),s.consumable.consume(o.viewItem,{attributes:i+"-end-after"})&&r(o.modelRange.end,o.viewItem.getAttribute(i+"-end-after").split(",")),s.consumable.consume(o.viewItem,{attributes:i+"-start-after"})&&r(o.modelRange.end,o.viewItem.getAttribute(i+"-start-after").split(",")),s.consumable.consume(o.viewItem,{attributes:i+"-end-before"})&&r(o.modelRange.start,o.viewItem.getAttribute(i+"-end-before").split(",")),s.consumable.consume(o.viewItem,{attributes:i+"-start-before"})&&r(o.modelRange.start,o.viewItem.getAttribute(i+"-start-before").split(",")))}}(t),{priority:r+c})}}(e))}}function Ks(e){const t=Ys(e=jo(e)),o=Js(e.view),s=o?`element:${o}`:"element";return o=>{o.on(s,t,{priority:e.converterPriority||"normal"})}}function Js(e){return"string"==typeof e?e:"object"==typeof e&&"string"==typeof e.name?e.name:null}function Ys(e){const t=new C(e.view);return(o,s,i)=>{const r=t.match(s.viewItem);if(!r)return;const n=r.match;if(n.name=!0,!i.consumable.test(s.viewItem,n))return;const a=function(e,t,o){return e instanceof Function?e(t,o):o.writer.createElement(e)}(e.model,s.viewItem,i);a&&i.safeInsert(a,s.modelCursor)&&(i.consumable.consume(s.viewItem,n),i.convertChildren(s.viewItem,a),i.updateConversionResult(a,s))}}function Xs(e,t=null){const o=null===t||(e=>e.getAttribute(t)),s="object"!=typeof e.model?e.model:e.model.key,i="object"!=typeof e.model||void 0===e.model.value?o:e.model.value;e.model={key:s,value:i}}function Qs(e,t){const o=new C(e.view);return(s,i,r)=>{if(!i.modelRange&&t)return;const n=o.match(i.viewItem);if(!n)return;if(!function(e,t){const o="function"==typeof e?e(t):e;if("object"==typeof o&&!Js(o))return!1;return!o.classes&&!o.attributes&&!o.styles}(e.view,i.viewItem)?delete n.match.name:n.match.name=!0,!r.consumable.test(i.viewItem,n.match))return;const a=e.model.key,c="function"==typeof e.model.value?e.model.value(i.viewItem,r):e.model.value;if(null===c)return;i.modelRange||Object.assign(i,r.convertChildren(i.viewItem,i.modelCursor));const l=function(e,t,o,s){let i=!1;for(const r of Array.from(e.getItems({shallow:o})))s.schema.checkAttribute(r,t.key)&&(i=!0,r.hasAttribute(t.key)||s.writer.setAttribute(t.key,t.value,r));return i}(i.modelRange,{key:a,value:c},t,r);l&&(r.consumable.test(i.viewItem,{name:!0})&&(n.match.name=!0),r.consumable.consume(i.viewItem,n.match))}}function ei(e,t){return{view:`${e.view}-${t}`,model:(t,o)=>{const s=t.getAttribute("name"),i=e.model(s,o);return o.writer.createElement("$marker",{"data-name":i})}}}function ti(e){e.document.registerPostFixer((t=>function(e,t){const o=t.document.selection,s=t.schema,i=[];let r=!1;for(const e of o.getRanges()){const t=oi(e,s);t&&!t.isEqual(e)?(i.push(t),r=!0):i.push(e)}r&&e.setSelection(function(e){const t=[...e],o=new Set;let s=1;for(;s<t.length;){const e=t[s],i=t.slice(0,s);for(const[r,n]of i.entries())if(!o.has(r))if(e.isEqual(n))o.add(r);else if(e.isIntersecting(n)){o.add(r),o.add(s);const i=e.getJoined(n);t.push(i)}s++}return t.filter(((e,t)=>!o.has(t)))}(i),{backward:o.isBackward});return!1}(t,e)))}function oi(e,t){return e.isCollapsed?function(e,t){const o=e.start,s=t.getNearestSelectionRange(o);if(!s){const e=o.getAncestors().reverse().find((e=>t.isObject(e)));return e?Go._createOn(e):null}if(!s.isCollapsed)return s;const i=s.start;if(o.isEqual(i))return null;return new Go(i)}(e,t):function(e,t){const{start:o,end:s}=e,i=t.checkChild(o,"$text"),r=t.checkChild(s,"$text"),n=t.getLimitElement(o),a=t.getLimitElement(s);if(n===a){if(i&&r)return null;if(function(e,t,o){const s=e.nodeAfter&&!o.isLimit(e.nodeAfter)||o.checkChild(e,"$text"),i=t.nodeBefore&&!o.isLimit(t.nodeBefore)||o.checkChild(t,"$text");return s||i}(o,s,t)){const e=o.nodeAfter&&t.isSelectable(o.nodeAfter)?null:t.getNearestSelectionRange(o,"forward"),i=s.nodeBefore&&t.isSelectable(s.nodeBefore)?null:t.getNearestSelectionRange(s,"backward"),r=e?e.start:o,n=i?i.end:s;return new Go(r,n)}}const c=n&&!n.is("rootElement"),l=a&&!a.is("rootElement");if(c||l){const e=o.nodeAfter&&s.nodeBefore&&o.nodeAfter.parent===s.nodeBefore.parent,i=c&&(!e||!ii(o.nodeAfter,t)),r=l&&(!e||!ii(s.nodeBefore,t));let d=o,h=s;return i&&(d=Zo._createBefore(si(n,t))),r&&(h=Zo._createAfter(si(a,t))),new Go(d,h)}return null}(e,t)}function si(e,t){let o=e,s=o;for(;t.isLimit(s)&&s.parent;)o=s,s=s.parent;return o}function ii(e,t){return e&&t.isSelectable(e)}class ri extends((0,a.Re)()){constructor(e,t){super(),this.model=e,this.view=new Mo(t),this.mapper=new Ko,this.downcastDispatcher=new as({mapper:this.mapper,schema:e.schema});const o=this.model.document,s=o.selection,i=this.model.markers;var r,n,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(o,"change",(()=>{this.view.change((e=>{this.downcastDispatcher.convertChanges(o.differ,i,e),this.downcastDispatcher.convertSelection(s,i,e)}))}),{priority:"low"}),this.listenTo(this.view.document,"selectionChange",function(e,t){return(o,s)=>{const i=s.newSelection,r=[];for(const e of i.getRanges())r.push(t.toModelRange(e));const n=e.createSelection(r,{backward:i.isBackward});n.isEqual(e.document.selection)||e.change((e=>{e.setSelection(n)}))}}(this.model,this.mapper)),this.listenTo(this.view.document,"beforeinput",(r=this.mapper,n=this.model.schema,c=this.view,(e,t)=>{if(!c.document.isComposing||a.OB.isAndroid)for(let e=0;e<t.targetRanges.length;e++){const o=t.targetRanges[e],s=r.toModelRange(o),i=oi(s,n);i&&!i.isEqual(s)&&(t.targetRanges[e]=r.toViewRange(i))}}),{priority:"high"}),this.downcastDispatcher.on("insert:$text",((e,t,o)=>{if(!o.consumable.consume(t.item,e.name))return;const s=o.writer,i=o.mapper.toViewPosition(t.range.start),r=s.createText(t.item.data);s.insert(i,r)}),{priority:"lowest"}),this.downcastDispatcher.on("insert",((e,t,o)=>{o.convertAttributes(t.item),t.reconversion||!t.item.is("element")||t.item.isEmpty||o.convertChildren(t.item)}),{priority:"lowest"}),this.downcastDispatcher.on("remove",((e,t,o)=>{const s=o.mapper.toViewPosition(t.position),i=t.position.getShiftedBy(t.length),r=o.mapper.toViewPosition(i,{isPhantom:!0}),n=o.writer.createRange(s,r),a=o.writer.remove(n.getTrimmed());for(const e of o.writer.createRangeIn(a).getItems())o.mapper.unbindViewElement(e,{defer:!0})}),{priority:"low"}),this.downcastDispatcher.on("cleanSelection",((e,t,o)=>{const s=o.writer,i=s.document.selection;for(const e of i.getRanges())e.isCollapsed&&e.end.parent.isAttached()&&o.writer.mergeAttributes(e.start);s.setSelection(null)})),this.downcastDispatcher.on("selection",((e,t,o)=>{const s=t.selection;if(s.isCollapsed)return;if(!o.consumable.consume(s,"selection"))return;const i=[];for(const e of s.getRanges())i.push(o.mapper.toViewRange(e));o.writer.setSelection(i,{backward:s.isBackward})}),{priority:"low"}),this.downcastDispatcher.on("selection",((e,t,o)=>{const s=t.selection;if(!s.isCollapsed)return;if(!o.consumable.consume(s,"selection"))return;const i=o.writer,r=s.getFirstPosition(),n=o.mapper.toViewPosition(r),a=i.breakAttributes(n);i.setSelection(a)}),{priority:"low"}),this.view.document.roots.bindTo(this.model.document.roots).using((e=>{if("$graveyard"==e.rootName)return null;const t=new Me(this.view.document,e.name);return t.rootName=e.rootName,this.mapper.bindElements(e,t),t}))}destroy(){this.view.destroy(),this.stopListening()}reconvertMarker(e){const t="string"==typeof e?e:e.name,o=this.model.markers.get(t);if(!o)throw new a.Bb("editingcontroller-reconvertmarker-marker-not-exist",this,{markerName:t});this.model.change((()=>{this.model.markers._refresh(o)}))}reconvertItem(e){this.model.change((()=>{this.model.document.differ._refreshItem(e)}))}}class ni{constructor(){this._consumables=new Map}add(e,t){let o;e.is("$text")||e.is("documentFragment")?this._consumables.set(e,!0):(this._consumables.has(e)?o=this._consumables.get(e):(o=new ci(e),this._consumables.set(e,o)),o.add(t))}test(e,t){const o=this._consumables.get(e);return void 0===o?null:e.is("$text")||e.is("documentFragment")?o:o.test(t)}consume(e,t){return!!this.test(e,t)&&(e.is("$text")||e.is("documentFragment")?this._consumables.set(e,!1):this._consumables.get(e).consume(t),!0)}revert(e,t){const o=this._consumables.get(e);void 0!==o&&(e.is("$text")||e.is("documentFragment")?this._consumables.set(e,!0):o.revert(t))}static consumablesFromElement(e){const t={element:e,name:!0,attributes:[],classes:[],styles:[]},o=e.getAttributeKeys();for(const e of o)"style"!=e&&"class"!=e&&t.attributes.push(e);const s=e.getClassNames();for(const e of s)t.classes.push(e);const i=e.getStyleNames();for(const e of i)t.styles.push(e);return t}static createFrom(e,t){if(t||(t=new ni),e.is("$text"))return t.add(e),t;e.is("element")&&t.add(e,ni.consumablesFromElement(e)),e.is("documentFragment")&&t.add(e);for(const o of e.getChildren())t=ni.createFrom(o,t);return t}}const ai=["attributes","classes","styles"];class ci{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 ai)t in e&&this._add(t,e[t])}test(e){if(e.name&&!this._canConsumeName)return this._canConsumeName;for(const t of ai)if(t in e){const o=this._test(t,e[t]);if(!0!==o)return o}return!0}consume(e){e.name&&(this._canConsumeName=!1);for(const t of ai)t in e&&this._consume(t,e[t])}revert(e){e.name&&(this._canConsumeName=!0);for(const t of ai)t in e&&this._revert(t,e[t])}_add(e,t){const o=(0,S.Z)(t)?t:[t],s=this._consumables[e];for(const t of o){if("attributes"===e&&("class"===t||"style"===t))throw new a.Bb("viewconsumable-invalid-attribute",this);if(s.set(t,!0),"styles"===e)for(const e of this.element.document.stylesProcessor.getRelatedStyles(t))s.set(e,!0)}}_test(e,t){const o=(0,S.Z)(t)?t:[t],s=this._consumables[e];for(const t of o)if("attributes"!==e||"class"!==t&&"style"!==t){const e=s.get(t);if(void 0===e)return null;if(!e)return!1}else{const e="class"==t?"classes":"styles",o=this._test(e,[...this._consumables[e].keys()]);if(!0!==o)return o}return!0}_consume(e,t){const o=(0,S.Z)(t)?t:[t],s=this._consumables[e];for(const t of o)if("attributes"!==e||"class"!==t&&"style"!==t){if(s.set(t,!1),"styles"==e)for(const e of this.element.document.stylesProcessor.getRelatedStyles(t))s.set(e,!1)}else{const e="class"==t?"classes":"styles";this._consume(e,[...this._consumables[e].keys()])}}_revert(e,t){const o=(0,S.Z)(t)?t:[t],s=this._consumables[e];for(const t of o)if("attributes"!==e||"class"!==t&&"style"!==t){!1===s.get(t)&&s.set(t,!0)}else{const e="class"==t?"classes":"styles";this._revert(e,[...this._consumables[e].keys()])}}}class li extends((0,a.Re)()){constructor(){super(),this._sourceDefinitions={},this._attributeProperties={},this.decorate("checkChild"),this.decorate("checkAttribute"),this.on("checkAttribute",((e,t)=>{t[0]=new di(t[0])}),{priority:"highest"}),this.on("checkChild",((e,t)=>{t[0]=new di(t[0]),t[1]=this.getDefinition(t[1])}),{priority:"highest"})}register(e,t){if(this._sourceDefinitions[e])throw new a.Bb("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 a.Bb("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 o=this.getDefinition(e.last);return!!o&&o.allowAttributes.includes(t)}checkMerge(e,t){if(e instanceof Zo){const t=e.nodeBefore,o=e.nodeAfter;if(!(t instanceof zo))throw new a.Bb("schema-check-merge-no-element-before",this);if(!(o instanceof zo))throw new a.Bb("schema-check-merge-no-element-after",this);return this.checkMerge(t,o)}for(const o of t.getChildren())if(!this.checkChild(e,o))return!1;return!0}addChildCheck(e){this.on("checkChild",((t,[o,s])=>{if(!s)return;const i=e(o,s);"boolean"==typeof i&&(t.stop(),t.return=i)}),{priority:"high"})}addAttributeCheck(e){this.on("checkAttribute",((t,[o,s])=>{const i=e(o,s);"boolean"==typeof i&&(t.stop(),t.return=i)}),{priority:"high"})}setAttributeProperties(e,t){this._attributeProperties[e]=Object.assign(this.getAttributeProperties(e),t)}getAttributeProperties(e){return this._attributeProperties[e]||{}}getLimitElement(e){let t;if(e instanceof Zo)t=e.parent;else{t=(e instanceof Go?[e]:Array.from(e.getRanges())).reduce(((e,t)=>{const o=t.getCommonAncestor();return e?e.getCommonAncestor(o,{includeSelf:!0}):o}),null)}for(;!this.isLimit(t)&&t.parent;)t=t.parent;return t}checkAttributeInSelection(e,t){if(e.isCollapsed){const o=[...e.getFirstPosition().getAncestors(),new Do("",e.getAttributes())];return this.checkAttribute(o,t)}{const o=e.getRanges();for(const e of o)for(const o of e)if(this.checkAttribute(o.item,t))return!0}return!1}*getValidRanges(e,t){e=function*(e){for(const t of e)yield*t.getMinimalFlatRanges()}(e);for(const o of e)yield*this._getValidRangesForRange(o,t)}getNearestSelectionRange(e,t="both"){if("$graveyard"==e.root.rootName)return null;if(this.checkChild(e,"$text"))return new Go(e);let o,s;const i=e.getAncestors().reverse().find((e=>this.isLimit(e)))||e.root;"both"!=t&&"backward"!=t||(o=new Fo({boundaries:Go._createIn(i),startPosition:e,direction:"backward"})),"both"!=t&&"forward"!=t||(s=new Fo({boundaries:Go._createIn(i),startPosition:e}));for(const e of function*(e,t){let o=!1;for(;!o;){if(o=!0,e){const t=e.next();t.done||(o=!1,yield{walker:e,value:t.value})}if(t){const e=t.next();e.done||(o=!1,yield{walker:t,value:e.value})}}}(o,s)){const t=e.walker==o?"elementEnd":"elementStart",s=e.value;if(s.type==t&&this.isObject(s.item))return Go._createOn(s.item);if(this.checkChild(s.nextPosition,"$text"))return new Go(s.nextPosition)}return null}findAllowedParent(e,t){let o=e.parent;for(;o;){if(this.checkChild(o,t))return o;if(this.isLimit(o))return null;o=o.parent}return null}setAllowedAttributes(e,t,o){const s=o.model;for(const[i,r]of Object.entries(t))s.schema.checkAttribute(e,i)&&o.setAttribute(i,r,e)}removeDisallowedAttributes(e,t){for(const o of e)if(o.is("$text"))xi(this,o,t);else{const e=Go._createIn(o).getPositions();for(const o of e){xi(this,o.nodeBefore||o.parent,t)}}}getAttributesWithProperty(e,t,o){const s={};for(const[i,r]of e.getAttributes()){const e=this.getAttributeProperties(i);void 0!==e[t]&&(void 0!==o&&o!==e[t]||(s[i]=r))}return s}createContext(e){return new di(e)}_clearCache(){this._compiledDefinitions=null}_compile(){const e={},t=this._sourceDefinitions,o=Object.keys(t);for(const s of o)e[s]=hi(t[s],s);for(const t of o)ui(e,t);for(const t of o)pi(e,t);for(const t of o)fi(e,t);for(const t of o)gi(e,t),mi(e,t);for(const t of o)bi(e,t),_i(e,t),ki(e,t);this._compiledDefinitions=e}_checkContextMatch(e,t,o=t.length-1){const s=t.getItem(o);if(e.allowIn.includes(s.name)){if(0==o)return!0;{const e=this.getDefinition(s);return this._checkContextMatch(e,t,o-1)}}return!1}*_getValidRangesForRange(e,t){let o=e.start,s=e.start;for(const i of e.getItems({shallow:!0}))i.is("element")&&(yield*this._getValidRangesForRange(Go._createIn(i),t)),this.checkAttribute(i,t)||(o.isEqual(s)||(yield new Go(o,s)),o=Zo._createAfter(i)),s=Zo._createAfter(i);o.isEqual(s)||(yield new Go(o,s))}}class di{constructor(e){if(e instanceof di)return e;let t;t="string"==typeof e?[e]:Array.isArray(e)?e:e.getAncestors({includeSelf:!0}),this._items=t.map(yi)}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 di([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 hi(e,t){const o={name:t,allowIn:[],allowContentOf:[],allowWhere:[],allowAttributes:[],allowAttributesOf:[],allowChildren:[],inheritTypesFrom:[]};return function(e,t){for(const o of e){const e=Object.keys(o).filter((e=>e.startsWith("is")));for(const s of e)t[s]=!!o[s]}}(e,o),wi(e,o,"allowIn"),wi(e,o,"allowContentOf"),wi(e,o,"allowWhere"),wi(e,o,"allowAttributes"),wi(e,o,"allowAttributesOf"),wi(e,o,"allowChildren"),wi(e,o,"inheritTypesFrom"),function(e,t){for(const o of e){const e=o.inheritAllFrom;e&&(t.allowContentOf.push(e),t.allowWhere.push(e),t.allowAttributesOf.push(e),t.inheritTypesFrom.push(e))}}(e,o),o}function ui(e,t){const o=e[t];for(const s of o.allowChildren){const o=e[s];o&&o.allowIn.push(t)}o.allowChildren.length=0}function pi(e,t){for(const o of e[t].allowContentOf)if(e[o]){vi(e,o).forEach((e=>{e.allowIn.push(t)}))}delete e[t].allowContentOf}function fi(e,t){for(const o of e[t].allowWhere){const s=e[o];if(s){const o=s.allowIn;e[t].allowIn.push(...o)}}delete e[t].allowWhere}function gi(e,t){for(const o of e[t].allowAttributesOf){const s=e[o];if(s){const o=s.allowAttributes;e[t].allowAttributes.push(...o)}}delete e[t].allowAttributesOf}function mi(e,t){const o=e[t];for(const t of o.inheritTypesFrom){const s=e[t];if(s){const 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Pi=Object.defineProperty,Ci=Object.defineProperties,Ti=Object.getOwnPropertyDescriptors,Ei=Object.getOwnPropertySymbols,Ai=Object.prototype.hasOwnProperty,Si=Object.prototype.propertyIsEnumerable,Oi=(e,t,o)=>t in e?Pi(e,t,{enumerable:!0,configurable:!0,writable:!0,value:o}):e[t]=o;class Ri extends((0,a.ln)()){constructor(e){var t;super(),this._splitParts=new Map,this._cursorParents=new Map,this._modelCursor=null,this._emptyElementsToKeep=new Set,this.conversionApi=(t=((e,t)=>{for(var o in t||(t={}))Ai.call(t,o)&&Oi(e,o,t[o]);if(Ei)for(var o of Ei(t))Si.call(t,o)&&Oi(e,o,t[o]);return e})({},e),Ci(t,Ti({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,o=["$root"]){this.fire("viewCleanup",e),this._modelCursor=function(e,t){let o;for(const s of new di(e)){const e={};for(const t of s.getAttributeKeys())e[t]=s.getAttribute(t);const i=t.createElement(s.name,e);o&&t.insert(i,o),o=Zo._createAt(i,0)}return o}(o,t),this.conversionApi.writer=t,this.conversionApi.consumable=ni.createFrom(e),this.conversionApi.store={};const{modelRange:s}=this._convertItem(e,this._modelCursor),i=t.createDocumentFragment();if(s){this._removeEmptyElements();for(const e of Array.from(this._modelCursor.parent.getChildren()))t.append(e,i);i.markers=function(e,t){const o=new Set,s=new Map,i=Go._createIn(e).getItems();for(const e of i)e.is("element","$marker")&&o.add(e);for(const e of o){const o=e.getAttribute("data-name"),i=t.createPositionBefore(e);s.has(o)?s.get(o).end=i.clone():s.set(o,new Go(i.clone())),t.remove(e)}return s}(i,t)}return this._modelCursor=null,this._splitParts.clear(),this._cursorParents.clear(),this._emptyElementsToKeep.clear(),this.conversionApi.writer=null,this.conversionApi.store=null,i}_convertItem(e,t){const o={viewItem:e,modelCursor:t,modelRange:null};if(e.is("element")?this.fire(`element:${e.name}`,o,this.conversionApi):e.is("$text")?this.fire("text",o,this.conversionApi):this.fire("documentFragment",o,this.conversionApi),o.modelRange&&!(o.modelRange instanceof Go))throw new a.Bb("view-conversion-dispatcher-incorrect-result",this);return{modelRange:o.modelRange,modelCursor:o.modelCursor}}_convertChildren(e,t){let o=t.is("position")?t:Zo._createAt(t,0);const s=new Go(o);for(const t of Array.from(e.getChildren())){const e=this._convertItem(t,o);e.modelRange instanceof Go&&(s.end=e.modelRange.end,o=e.modelCursor)}return{modelRange:s,modelCursor:o}}_safeInsert(e,t){const o=this._splitToAllowedParent(e,t);return!!o&&(this.conversionApi.writer.insert(e,o.position),!0)}_updateConversionResult(e,t){const o=this._getSplitParts(e),s=this.conversionApi.writer;t.modelRange||(t.modelRange=s.createRange(s.createPositionBefore(e),s.createPositionAfter(o[o.length-1])));const i=this._cursorParents.get(e);t.modelCursor=i?s.createPositionAt(i,0):t.modelRange.end}_splitToAllowedParent(e,t){const{schema:o,writer:s}=this.conversionApi;let i=o.findAllowedParent(t,e);if(i){if(i===t.parent)return{position:t};this._modelCursor.parent.getAncestors().includes(i)&&(i=null)}if(!i)return zs(t,e,o)?{position:Fs(t,s)}:null;const r=this.conversionApi.writer.split(t,i),n=[];for(const e of r.range.getWalker())if("elementEnd"==e.type)n.push(e.item);else{const t=n.pop(),o=e.item;this._registerSplitPair(t,o)}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 o=this._splitParts.get(e);this._splitParts.set(t,o),o.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 ji{getHtml(e){const t=a.global.document.implementation.createHTMLDocument("").createElement("div");return t.appendChild(e),t.innerHTML}}class Mi{constructor(e){this.skipComments=!0,this.domParser=new DOMParser,this.domConverter=new Nt(e,{renderingMode:"data"}),this.htmlWriter=new ji}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"),o=t.createDocumentFragment(),s=t.body.childNodes;for(;s.length>0;)o.appendChild(s[0]);return o}}class Vi extends((0,a.ln)()){constructor(e,t){super(),this.model=e,this.mapper=new Ko,this.downcastDispatcher=new as({mapper:this.mapper,schema:e.schema}),this.downcastDispatcher.on("insert:$text",((e,t,o)=>{if(!o.consumable.consume(t.item,e.name))return;const s=o.writer,i=o.mapper.toViewPosition(t.range.start),r=s.createText(t.item.data);s.insert(i,r)}),{priority:"lowest"}),this.downcastDispatcher.on("insert",((e,t,o)=>{o.convertAttributes(t.item),t.reconversion||!t.item.is("element")||t.item.isEmpty||o.convertChildren(t.item)}),{priority:"lowest"}),this.upcastDispatcher=new Ri({schema:e.schema}),this.viewDocument=new Ue(t),this.stylesProcessor=t,this.htmlProcessor=new Mi(this.viewDocument),this.processor=this.htmlProcessor,this._viewWriter=new rt(this.viewDocument),this.upcastDispatcher.on("text",((e,t,{schema:o,consumable:s,writer:i})=>{let r=t.modelCursor;if(!s.test(t.viewItem))return;if(!o.checkChild(r,"$text")){if(!zs(r,"$text",o))return;if(0==t.viewItem.data.trim().length)return;const e=r.nodeBefore;r=Fs(r,i),e&&e.is("element","$marker")&&(i.move(i.createRangeOn(e),r),r=i.createPositionAfter(e))}s.consume(t.viewItem);const n=i.createText(t.viewItem.data);i.insert(n,r),t.modelRange=i.createRange(r,r.getShiftedBy(n.offsetSize)),t.modelCursor=t.modelRange.end}),{priority:"lowest"}),this.upcastDispatcher.on("element",((e,t,o)=>{if(!t.modelRange&&o.consumable.consume(t.viewItem,{name:!0})){const{modelRange:e,modelCursor:s}=o.convertChildren(t.viewItem,t.modelCursor);t.modelRange=e,t.modelCursor=s}}),{priority:"lowest"}),this.upcastDispatcher.on("documentFragment",((e,t,o)=>{if(!t.modelRange&&o.consumable.consume(t.viewItem,{name:!0})){const{modelRange:e,modelCursor:s}=o.convertChildren(t.viewItem,t.modelCursor);t.modelRange=e,t.modelCursor=s}}),{priority:"lowest"}),(0,a.Re)().prototype.decorate.call(this,"init"),(0,a.Re)().prototype.decorate.call(this,"set"),(0,a.Re)().prototype.decorate.call(this,"get"),(0,a.Re)().prototype.decorate.call(this,"toView"),(0,a.Re)().prototype.decorate.call(this,"toModel"),this.on("init",(()=>{this.fire("ready")}),{priority:"lowest"}),this.on("ready",(()=>{this.model.enqueueChange({isUndoable:!1},Ns)}),{priority:"lowest"})}get(e={}){const{rootName:t="main",trim:o="empty"}=e;if(!this._checkIfRootsExists([t]))throw new a.Bb("datacontroller-get-non-existent-root",this);const s=this.model.document.getRoot(t);return s.isAttached()||(0,a.KE)("datacontroller-get-detached-root",this),"empty"!==o||this.model.hasContent(s,{ignoreWhitespaces:!0})?this.stringify(s,e):""}stringify(e,t={}){const o=this.toView(e,t);return this.processor.toData(o)}toView(e,t={}){const o=this.viewDocument,s=this._viewWriter;this.mapper.clearBindings();const i=Go._createIn(e),r=new it(o);this.mapper.bindElements(e,r);const n=e.is("documentFragment")?e.markers:function(e){const t=[],o=e.root.document;if(!o)return new Map;const s=Go._createIn(e);for(const e of o.model.markers){const o=e.getRange(),i=o.isCollapsed,r=o.start.isEqual(s.start)||o.end.isEqual(s.end);if(i&&r)t.push([e.name,o]);else{const i=s.getIntersection(o);i&&t.push([e.name,i])}}return t.sort((([e,t],[o,s])=>{if("after"!==t.end.compareWith(s.start))return 1;if("before"!==t.start.compareWith(s.end))return-1;switch(t.start.compareWith(s.start)){case"before":return 1;case"after":return-1;default:switch(t.end.compareWith(s.end)){case"before":return 1;case"after":return-1;default:return o.localeCompare(e)}}})),new Map(t)}(e);return this.downcastDispatcher.convert(i,n,s,t),r}init(e){if(this.model.document.version)throw new a.Bb("datacontroller-init-document-not-empty",this);let t={};if("string"==typeof e?t.main=e:t=e,!this._checkIfRootsExists(Object.keys(t)))throw new a.Bb("datacontroller-init-non-existent-root",this);return this.model.enqueueChange({isUndoable:!1},(e=>{for(const o of Object.keys(t)){const s=this.model.document.getRoot(o);e.insert(this.parse(t[o],s),s,0)}})),Promise.resolve()}set(e,t={}){let o={};if("string"==typeof e?o.main=e:o=e,!this._checkIfRootsExists(Object.keys(o)))throw new a.Bb("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(o)){const s=this.model.document.getRoot(t);e.remove(e.createRangeIn(s)),e.insert(this.parse(o[t],s),s,0)}}))}parse(e,t="$root"){const o=this.processor.toView(e);return this.toModel(o,t)}toModel(e,t="$root"){return this.model.change((o=>this.upcastDispatcher.convert(e,o,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 Bi{constructor(e,t){this._helpers=new Map,this._downcast=(0,a.qo)(e),this._createConversionHelpers({name:"downcast",dispatchers:this._downcast,isDowncast:!0}),this._upcast=(0,a.qo)(t),this._createConversionHelpers({name:"upcast",dispatchers:this._upcast,isDowncast:!1})}addAlias(e,t){const o=this._downcast.includes(t);if(!this._upcast.includes(t)&&!o)throw new a.Bb("conversion-add-alias-dispatcher-not-registered",this);this._createConversionHelpers({name:e,dispatchers:[t],isDowncast:o})}for(e){if(!this._helpers.has(e))throw new a.Bb("conversion-for-unknown-group",this);return this._helpers.get(e)}elementToElement(e){this.for("downcast").elementToElement(e);for(const{model:t,view:o}of Ii(e))this.for("upcast").elementToElement({model:t,view:o,converterPriority:e.converterPriority})}attributeToElement(e){this.for("downcast").attributeToElement(e);for(const{model:t,view:o}of Ii(e))this.for("upcast").elementToAttribute({view:o,model:t,converterPriority:e.converterPriority})}attributeToAttribute(e){this.for("downcast").attributeToAttribute(e);for(const{model:t,view:o}of Ii(e))this.for("upcast").attributeToAttribute({view:o,model:t})}_createConversionHelpers({name:e,dispatchers:t,isDowncast:o}){if(this._helpers.has(e))throw new a.Bb("conversion-group-exists",this);const s=o?new Cs(t):new Gs(t);this._helpers.set(e,s)}}function*Ii(e){if(e.model.values)for(const t of e.model.values){const o={key:e.model.key,value:t},s=e.view[t],i=e.upcastAlso?e.upcastAlso[t]:void 0;yield*Di(o,s,i)}else yield*Di(e.model,e.view,e.upcastAlso)}function*Di(e,t,o){if(yield{model:e,view:t},o)for(const t of(0,a.qo)(o))yield{model:e,view:t}}class Ni{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 zi(e,t){const o=Zi(t),s=o.reduce(((e,t)=>e+t.offsetSize),0),i=e.parent;$i(e);const r=e.index;return i._insertChild(r,o),Wi(i,r+o.length),Wi(i,r),new Go(e,e.getShiftedBy(s))}function Fi(e){if(!e.isFlat)throw new a.Bb("operation-utils-remove-range-not-flat",this);const t=e.start.parent;$i(e.start),$i(e.end);const o=t._removeChildren(e.start.index,e.end.index-e.start.index);return Wi(t,e.start.index),o}function Li(e,t){if(!e.isFlat)throw new a.Bb("operation-utils-move-range-not-flat",this);const o=Fi(e);return zi(t=t._getTransformedByDeletion(e.start,e.end.offset-e.start.offset),o)}function Zi(e){const t=[];!function e(o){if("string"==typeof o)t.push(new Do(o));else if(o instanceof No)t.push(new Do(o.data,o.getAttributes()));else if(o instanceof Bo)t.push(o);else if((0,a.TW)(o))for(const t of o)e(t);else{}}(e);for(let e=1;e<t.length;e++){const o=t[e],s=t[e-1];o instanceof Do&&s instanceof Do&&qi(o,s)&&(t.splice(e-1,2,new Do(s.data+o.data,s.getAttributes())),e--)}return t}function Wi(e,t){const o=e.getChild(t-1),s=e.getChild(t);if(o&&s&&o.is("$text")&&s.is("$text")&&qi(o,s)){const i=new Do(o.data+s.data,o.getAttributes());e._removeChildren(t-1,2),e._insertChild(t-1,i)}}function $i(e){const t=e.textNode,o=e.parent;if(t){const s=e.offset-t.startOffset,i=t.index;o._removeChildren(i,1);const r=new Do(t.data.substr(0,s),t.getAttributes()),n=new Do(t.data.substr(s),t.getAttributes());o._insertChild(i,[r,n])}}function qi(e,t){const o=e.getAttributes(),s=t.getAttributes();for(const e of o){if(e[1]!==t.getAttribute(e[0]))return!1;s.next()}return s.next().done}class Hi extends Ni{constructor(e,t,o,s){super(s),this.sourcePosition=e.clone(),this.sourcePosition.stickiness="toNext",this.howMany=t,this.targetPosition=o.clone(),this.targetPosition.stickiness="toNone"}get type(){return"$graveyard"==this.targetPosition.root.rootName?"remove":"$graveyard"==this.sourcePosition.root.rootName?"reinsert":"move"}get affectedSelectable(){return[Go._createFromPositionAndShift(this.sourcePosition,this.howMany),Go._createFromPositionAndShift(this.targetPosition,0)]}clone(){return new Hi(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 Hi(this.getMovedRangeStart(),this.howMany,e,this.baseVersion+1)}_validate(){const e=this.sourcePosition.parent,t=this.targetPosition.parent,o=this.sourcePosition.offset,s=this.targetPosition.offset;if(o+this.howMany>e.maxOffset)throw new a.Bb("move-operation-nodes-do-not-exist",this);if(e===t&&o<s&&s<o+this.howMany)throw new a.Bb("move-operation-range-into-itself",this);if(this.sourcePosition.root==this.targetPosition.root&&"prefix"==(0,a.Rt)(this.sourcePosition.getParentPath(),this.targetPosition.getParentPath())){const e=this.sourcePosition.path.length-1;if(this.targetPosition.path[e]>=o&&this.targetPosition.path[e]<o+this.howMany)throw new a.Bb("move-operation-node-into-itself",this)}}_execute(){Li(Go._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 o=Zo.fromJSON(e.sourcePosition,t),s=Zo.fromJSON(e.targetPosition,t);return new this(o,e.howMany,s,e.baseVersion)}}class Ui extends Ni{constructor(e,t,o){super(o),this.position=e.clone(),this.position.stickiness="toNone",this.nodes=new Io(Zi(t)),this.shouldReceiveAttributes=!1}get type(){return"insert"}get howMany(){return this.nodes.maxOffset}get affectedSelectable(){return this.position.clone()}clone(){const e=new Io([...this.nodes].map((e=>e._clone(!0)))),t=new Ui(this.position,e,this.baseVersion);return t.shouldReceiveAttributes=this.shouldReceiveAttributes,t}getReversed(){const e=this.position.root.document.graveyard,t=new Zo(e,[0]);return new Hi(this.position,this.nodes.maxOffset,t,this.baseVersion+1)}_validate(){const e=this.position.parent;if(!e||e.maxOffset<this.position.offset)throw new a.Bb("insert-operation-position-invalid",this)}_execute(){const e=this.nodes;this.nodes=new Io([...e].map((e=>e._clone(!0)))),zi(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 o=[];for(const t of e.nodes)t.name?o.push(zo.fromJSON(t)):o.push(Do.fromJSON(t));const s=new Ui(Zo.fromJSON(e.position,t),o,e.baseVersion);return s.shouldReceiveAttributes=e.shouldReceiveAttributes,s}}class Gi extends Ni{constructor(e,t,o,s,i){super(i),this.splitPosition=e.clone(),this.splitPosition.stickiness="toNext",this.howMany=t,this.insertionPosition=o,this.graveyardPosition=s?s.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 Zo(this.insertionPosition.root,e)}get movedRange(){const e=this.splitPosition.getShiftedBy(Number.POSITIVE_INFINITY);return new Go(this.splitPosition,e)}get affectedSelectable(){const e=[Go._createFromPositionAndShift(this.splitPosition,0),Go._createFromPositionAndShift(this.insertionPosition,0)];return this.graveyardPosition&&e.push(Go._createFromPositionAndShift(this.graveyardPosition,0)),e}clone(){return new Gi(this.splitPosition,this.howMany,this.insertionPosition,this.graveyardPosition,this.baseVersion)}getReversed(){const e=this.splitPosition.root.document.graveyard,t=new Zo(e,[0]);return new Ki(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 a.Bb("split-operation-position-invalid",this);if(!e.parent)throw new a.Bb("split-operation-split-in-root",this);if(this.howMany!=e.maxOffset-this.splitPosition.offset)throw new a.Bb("split-operation-how-many-invalid",this);if(this.graveyardPosition&&!this.graveyardPosition.nodeAfter)throw new a.Bb("split-operation-graveyard-position-invalid",this)}_execute(){const e=this.splitPosition.parent;if(this.graveyardPosition)Li(Go._createFromPositionAndShift(this.graveyardPosition,1),this.insertionPosition);else{const t=e._clone();zi(this.insertionPosition,t)}Li(new Go(Zo._createAt(e,this.splitPosition.offset),Zo._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 Zo(e.root,t,"toPrevious")}static fromJSON(e,t){const o=Zo.fromJSON(e.splitPosition,t),s=Zo.fromJSON(e.insertionPosition,t),i=e.graveyardPosition?Zo.fromJSON(e.graveyardPosition,t):null;return new this(o,e.howMany,s,i,e.baseVersion)}}class Ki extends Ni{constructor(e,t,o,s,i){super(i),this.sourcePosition=e.clone(),this.sourcePosition.stickiness="toPrevious",this.howMany=t,this.targetPosition=o.clone(),this.targetPosition.stickiness="toNext",this.graveyardPosition=s.clone()}get type(){return"merge"}get deletionPosition(){return new Zo(this.sourcePosition.root,this.sourcePosition.path.slice(0,-1))}get movedRange(){const e=this.sourcePosition.getShiftedBy(Number.POSITIVE_INFINITY);return new Go(this.sourcePosition,e)}get affectedSelectable(){const e=this.sourcePosition.parent;return[Go._createOn(e),Go._createFromPositionAndShift(this.targetPosition,0),Go._createFromPositionAndShift(this.graveyardPosition,0)]}clone(){return new Ki(this.sourcePosition,this.howMany,this.targetPosition,this.graveyardPosition,this.baseVersion)}getReversed(){const e=this.targetPosition._getTransformedByMergeOperation(this),t=this.sourcePosition.path.slice(0,-1),o=new Zo(this.sourcePosition.root,t)._getTransformedByMergeOperation(this);return new Gi(e,this.howMany,o,this.graveyardPosition,this.baseVersion+1)}_validate(){const e=this.sourcePosition.parent,t=this.targetPosition.parent;if(!e.parent)throw new a.Bb("merge-operation-source-position-invalid",this);if(!t.parent)throw new a.Bb("merge-operation-target-position-invalid",this);if(this.howMany!=e.maxOffset)throw new a.Bb("merge-operation-how-many-invalid",this)}_execute(){const e=this.sourcePosition.parent;Li(Go._createIn(e),this.targetPosition),Li(Go._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 o=Zo.fromJSON(e.sourcePosition,t),s=Zo.fromJSON(e.targetPosition,t),i=Zo.fromJSON(e.graveyardPosition,t);return new this(o,e.howMany,s,i,e.baseVersion)}}class Ji extends Ni{constructor(e,t,o,s,i,r){super(r),this.name=e,this.oldRange=t?t.clone():null,this.newRange=o?o.clone():null,this.affectsData=i,this._markers=s}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 Ji(this.name,this.oldRange,this.newRange,this._markers,this.affectsData,this.baseVersion)}getReversed(){return new Ji(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 Ji(e.name,e.oldRange?Go.fromJSON(e.oldRange,t):null,e.newRange?Go.fromJSON(e.newRange,t):null,t.model.markers,e.affectsData,e.baseVersion)}}const Yi=function(e,t){return wo(e,t)};class Xi extends Ni{constructor(e,t,o,s,i){super(i),this.range=e.clone(),this.key=t,this.oldValue=void 0===o?null:o,this.newValue=void 0===s?null:s}get type(){return null===this.oldValue?"addAttribute":null===this.newValue?"removeAttribute":"changeAttribute"}get affectedSelectable(){return this.range.clone()}clone(){return new Xi(this.range,this.key,this.oldValue,this.newValue,this.baseVersion)}getReversed(){return new Xi(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 a.Bb("attribute-operation-range-not-flat",this);for(const e of this.range.getItems({shallow:!0})){if(null!==this.oldValue&&!Yi(e.getAttribute(this.key),this.oldValue))throw new a.Bb("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 a.Bb("attribute-operation-attribute-exists",this,{node:e,key:this.key})}}_execute(){Yi(this.oldValue,this.newValue)||function(e,t,o){$i(e.start),$i(e.end);for(const s of e.getItems({shallow:!0})){const e=s.is("$textProxy")?s.textNode:s;null!==o?e._setAttribute(t,o):e._removeAttribute(t),Wi(e.parent,e.index)}Wi(e.end.parent,e.end.index)}(this.range,this.key,this.newValue)}static get className(){return"AttributeOperation"}static fromJSON(e,t){return new Xi(Go.fromJSON(e.range,t),e.key,e.oldValue,e.newValue,e.baseVersion)}}class Qi extends Ni{get type(){return"noop"}get affectedSelectable(){return null}clone(){return new Qi(this.baseVersion)}getReversed(){return new Qi(this.baseVersion+1)}_execute(){}static get className(){return"NoOperation"}}class er extends Ni{constructor(e,t,o,s){super(s),this.position=e,this.position.stickiness="toNext",this.oldName=t,this.newName=o}get type(){return"rename"}get affectedSelectable(){return this.position.nodeAfter}clone(){return new er(this.position.clone(),this.oldName,this.newName,this.baseVersion)}getReversed(){return new er(this.position.clone(),this.newName,this.oldName,this.baseVersion+1)}_validate(){const e=this.position.nodeAfter;if(!(e instanceof zo))throw new a.Bb("rename-operation-wrong-position",this);if(e.name!==this.oldName)throw new a.Bb("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 er(Zo.fromJSON(e.position,t),e.oldName,e.newName,e.baseVersion)}}class tr extends Ni{constructor(e,t,o,s,i){super(i),this.root=e,this.key=t,this.oldValue=void 0===o?null:o,this.newValue=void 0===s?null:s}get type(){return null===this.oldValue?"addRootAttribute":null===this.newValue?"removeRootAttribute":"changeRootAttribute"}get affectedSelectable(){return this.root}clone(){return new tr(this.root,this.key,this.oldValue,this.newValue,this.baseVersion)}getReversed(){return new tr(this.root,this.key,this.newValue,this.oldValue,this.baseVersion+1)}_validate(){if(this.root!=this.root.root||this.root.is("documentFragment"))throw new a.Bb("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 a.Bb("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 a.Bb("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 a.Bb("rootattribute-operation-fromjson-no-root",this,{rootName:e.root});return new tr(t.getRoot(e.root),e.key,e.oldValue,e.newValue,e.baseVersion)}}class or extends Ni{constructor(e,t,o,s,i){if(super(i),this.rootName=e,this.elementName=t,this.isAdd=o,this._document=s,!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 or(this.rootName,this.elementName,this.isAdd,this._document,this.baseVersion)}getReversed(){return new or(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 or(e.rootName,e.elementName,e.isAdd,t,e.baseVersion)}}const sr={};sr[Xi.className]=Xi,sr[Ui.className]=Ui,sr[Ji.className]=Ji,sr[Hi.className]=Hi,sr[Qi.className]=Qi,sr[Ni.className]=Ni,sr[er.className]=er,sr[tr.className]=tr,sr[or.className]=or,sr[Gi.className]=Gi,sr[Ki.className]=Ki;class ir{static fromJSON(e,t){return sr[e.__className].fromJSON(e,t)}}const rr=new Map;function nr(e,t,o){let s=rr.get(e);s||(s=new Map,rr.set(e,s)),s.set(t,o)}function ar(e){return[e]}function cr(e,t,o={}){const s=function(e,t){const o=rr.get(e);return o&&o.has(t)?o.get(t):ar}(e.constructor,t.constructor);try{return s(e=e.clone(),t,o)}catch(e){throw e}}function lr(e,t,o){e=e.slice(),t=t.slice();const s=new dr(o.document,o.useRelations,o.forceWeakRemove);s.setOriginalOperations(e),s.setOriginalOperations(t);const i=s.originalOperations;if(0==e.length||0==t.length)return{operationsA:e,operationsB:t,originalOperations:i};const r=new WeakMap;for(const t of e)r.set(t,0);const n={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 o=e[a],i=r.get(o);if(i==t.length){a++;continue}const n=t[i],c=cr(o,n,s.getContext(o,n,!0)),l=cr(n,o,s.getContext(n,o,!1));s.updateRelation(o,n),s.setOriginalOperations(c,o),s.setOriginalOperations(l,n);for(const e of c)r.set(e,i+l.length);e.splice(a,1,...c),t.splice(i,1,...l)}if(o.padWithNoOps){const o=e.length-n.originalOperationsACount,s=t.length-n.originalOperationsBCount;ur(e,s-o),ur(t,o-s)}return hr(e,n.nextBaseVersionB),hr(t,n.nextBaseVersionA),{operationsA:e,operationsB:t,originalOperations:i}}class dr{constructor(e,t,o=!1){this.originalOperations=new Map,this._history=e.history,this._useRelations=t,this._forceWeakRemove=!!o,this._relations=new Map}setOriginalOperations(e,t=null){const o=t?this.originalOperations.get(t):null;for(const t of e)this.originalOperations.set(t,o||t)}updateRelation(e,t){if(e instanceof Hi)t instanceof Ki?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 Hi&&(e.targetPosition.isEqual(t.sourcePosition)||e.targetPosition.isBefore(t.sourcePosition)?this._setRelation(e,t,"insertBefore"):this._setRelation(e,t,"insertAfter"));else if(e instanceof Gi){if(t instanceof Ki)e.splitPosition.isBefore(t.sourcePosition)&&this._setRelation(e,t,"splitBefore");else if(t instanceof Hi)if(e.splitPosition.isEqual(t.sourcePosition)||e.splitPosition.isBefore(t.sourcePosition))this._setRelation(e,t,"splitBefore");else{const o=Go._createFromPositionAndShift(t.sourcePosition,t.howMany);if(e.splitPosition.hasSameParentAs(t.sourcePosition)&&o.containsPosition(e.splitPosition)){const s=o.end.offset-e.splitPosition.offset,i=e.splitPosition.offset-o.start.offset;this._setRelation(e,t,{howMany:s,offset:i})}}}else if(e instanceof Ki)t instanceof Ki?(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 Gi&&e.sourcePosition.isEqual(t.splitPosition)&&this._setRelation(e,t,"splitAtSource");else if(e instanceof Ji){const o=e.newRange;if(!o)return;if(t instanceof Hi){const s=Go._createFromPositionAndShift(t.sourcePosition,t.howMany),i=s.containsPosition(o.start)||s.start.isEqual(o.start),r=s.containsPosition(o.end)||s.end.isEqual(o.end);!i&&!r||s.containsRange(o)||this._setRelation(e,t,{side:i?"left":"right",path:i?o.start.path.slice():o.end.path.slice()})}else if(t instanceof Ki){const s=o.start.isEqual(t.targetPosition),i=o.start.isEqual(t.deletionPosition),r=o.end.isEqual(t.deletionPosition),n=o.end.isEqual(t.sourcePosition);(s||i||r||n)&&this._setRelation(e,t,{wasInLeftElement:s,wasStartBeforeMergedElement:i,wasEndBeforeMergedElement:r,wasInRightElement:n})}}}getContext(e,t,o){return{aIsStrong:o,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 o=this.originalOperations.get(t),s=this._history.getUndoneOperation(o);if(!s)return null;const i=this.originalOperations.get(e),r=this._relations.get(i);return r&&r.get(s)||null}_setRelation(e,t,o){const s=this.originalOperations.get(e),i=this.originalOperations.get(t);let r=this._relations.get(s);r||(r=new Map,this._relations.set(s,r)),r.set(i,o)}}function hr(e,t){for(const o of e)o.baseVersion=t++}function ur(e,t){for(let o=0;o<t;o++)e.push(new Qi(0))}function pr(e,t,o){const s=e.nodes.getNode(0).getAttribute(t);if(s==o)return null;const i=new Go(e.position,e.position.getShiftedBy(e.howMany));return new Xi(i,t,s,o,0)}function fr(e,t){return null===e.targetPosition._getTransformedByDeletion(t.sourcePosition,t.howMany)}function gr(e,t){const o=[];for(let s=0;s<e.length;s++){const i=e[s],r=new Hi(i.start,i.end.offset-i.start.offset,t,0);o.push(r);for(let t=s+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 o}nr(Xi,Xi,((e,t,o)=>{if(e.key===t.key&&e.range.start.hasSameParentAs(t.range.start)){const s=e.range.getDifference(t.range).map((t=>new Xi(t,e.key,e.oldValue,e.newValue,0))),i=e.range.getIntersection(t.range);return i&&o.aIsStrong&&s.push(new Xi(i,t.key,t.newValue,e.newValue,0)),0==s.length?[new Qi(0)]:s}return[e]})),nr(Xi,Ui,((e,t)=>{if(e.range.start.hasSameParentAs(t.position)&&e.range.containsPosition(t.position)){const o=e.range._getTransformedByInsertion(t.position,t.howMany,!t.shouldReceiveAttributes).map((t=>new Xi(t,e.key,e.oldValue,e.newValue,e.baseVersion)));if(t.shouldReceiveAttributes){const s=pr(t,e.key,e.oldValue);s&&o.unshift(s)}return o}return e.range=e.range._getTransformedByInsertion(t.position,t.howMany,!1)[0],[e]})),nr(Xi,Ki,((e,t)=>{const o=[];e.range.start.hasSameParentAs(t.deletionPosition)&&(e.range.containsPosition(t.deletionPosition)||e.range.start.isEqual(t.deletionPosition))&&o.push(Go._createFromPositionAndShift(t.graveyardPosition,1));const s=e.range._getTransformedByMergeOperation(t);return s.isCollapsed||o.push(s),o.map((t=>new Xi(t,e.key,e.oldValue,e.newValue,e.baseVersion)))})),nr(Xi,Hi,((e,t)=>function(e,t){const o=Go._createFromPositionAndShift(t.sourcePosition,t.howMany);let s=null,i=[];o.containsRange(e,!0)?s=e:e.start.hasSameParentAs(o.start)?(i=e.getDifference(o),s=e.getIntersection(o)):i=[e];const r=[];for(let e of i){e=e._getTransformedByDeletion(t.sourcePosition,t.howMany);const o=t.getMovedRangeStart(),s=e.start.hasSameParentAs(o),i=e._getTransformedByInsertion(o,t.howMany,s);r.push(...i)}s&&r.push(s._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany,!1)[0]);return r}(e.range,t).map((t=>new Xi(t,e.key,e.oldValue,e.newValue,e.baseVersion))))),nr(Xi,Gi,((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 o=e.clone();return o.range=new Go(t.moveTargetPosition.clone(),e.range.end._getCombined(t.splitPosition,t.moveTargetPosition)),e.range.end=t.splitPosition.clone(),e.range.end.stickiness="toPrevious",[e,o]}return e.range=e.range._getTransformedBySplitOperation(t),[e]})),nr(Ui,Xi,((e,t)=>{const o=[e];if(e.shouldReceiveAttributes&&e.position.hasSameParentAs(t.range.start)&&t.range.containsPosition(e.position)){const s=pr(e,t.key,t.newValue);s&&o.push(s)}return o})),nr(Ui,Ui,((e,t,o)=>(e.position.isEqual(t.position)&&o.aIsStrong||(e.position=e.position._getTransformedByInsertOperation(t)),[e]))),nr(Ui,Hi,((e,t)=>(e.position=e.position._getTransformedByMoveOperation(t),[e]))),nr(Ui,Gi,((e,t)=>(e.position=e.position._getTransformedBySplitOperation(t),[e]))),nr(Ui,Ki,((e,t)=>(e.position=e.position._getTransformedByMergeOperation(t),[e]))),nr(Ji,Ui,((e,t)=>(e.oldRange&&(e.oldRange=e.oldRange._getTransformedByInsertOperation(t)[0]),e.newRange&&(e.newRange=e.newRange._getTransformedByInsertOperation(t)[0]),[e]))),nr(Ji,Ji,((e,t,o)=>{if(e.name==t.name){if(!o.aIsStrong)return[new 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s=e.newRange._getTransformedBySplitOperation(t);return e.newRange.start.isEqual(t.splitPosition)&&o.abRelation.wasStartBeforeMergedElement?e.newRange.start=Zo._createAt(t.insertionPosition):e.newRange.start.isEqual(t.splitPosition)&&!o.abRelation.wasInLeftElement&&(e.newRange.start=Zo._createAt(t.moveTargetPosition)),e.newRange.end.isEqual(t.splitPosition)&&o.abRelation.wasInRightElement?e.newRange.end=Zo._createAt(t.moveTargetPosition):e.newRange.end.isEqual(t.splitPosition)&&o.abRelation.wasEndBeforeMergedElement?e.newRange.end=Zo._createAt(t.insertionPosition):e.newRange.end=s.end,[e]}e.newRange=e.newRange._getTransformedBySplitOperation(t)}return[e]})),nr(Ki,Ui,((e,t)=>(e.sourcePosition.hasSameParentAs(t.position)&&(e.howMany+=t.howMany),e.sourcePosition=e.sourcePosition._getTransformedByInsertOperation(t),e.targetPosition=e.targetPosition._getTransformedByInsertOperation(t),[e]))),nr(Ki,Ki,((e,t,o)=>{if(e.sourcePosition.isEqual(t.sourcePosition)&&e.targetPosition.isEqual(t.targetPosition)){if(o.bWasUndone){const o=t.graveyardPosition.path.slice();return o.push(0),e.sourcePosition=new Zo(t.graveyardPosition.root,o),e.howMany=0,[e]}return[new Qi(0)]}if(e.sourcePosition.isEqual(t.sourcePosition)&&!e.targetPosition.isEqual(t.targetPosition)&&!o.bWasUndone&&"splitAtSource"!=o.abRelation){const s="$graveyard"==e.targetPosition.root.rootName,i="$graveyard"==t.targetPosition.root.rootName;if(i&&!s||!(s&&!i)&&o.aIsStrong){const o=t.targetPosition._getTransformedByMergeOperation(t),s=e.targetPosition._getTransformedByMergeOperation(t);return[new Hi(o,e.howMany,s,0)]}return[new Qi(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)&&o.aIsStrong||(e.graveyardPosition=e.graveyardPosition._getTransformedByMergeOperation(t)),[e]})),nr(Ki,Hi,((e,t,o)=>{const s=Go._createFromPositionAndShift(t.sourcePosition,t.howMany);return"remove"==t.type&&!o.bWasUndone&&!o.forceWeakRemove&&e.deletionPosition.hasSameParentAs(t.sourcePosition)&&s.containsPosition(e.sourcePosition)?[new Qi(0)]:(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.graveyardPosition.isEqual(t.targetPosition)||(e.graveyardPosition=e.graveyardPosition._getTransformedByMoveOperation(t)),[e])})),nr(Ki,Gi,((e,t,o)=>{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 s=0!=t.howMany,i=t.graveyardPosition&&e.deletionPosition.isEqual(t.graveyardPosition);if(s||i||"mergeTargetNotMoved"==o.abRelation)return e.sourcePosition=e.sourcePosition._getTransformedBySplitOperation(t),[e]}if(e.sourcePosition.isEqual(t.splitPosition)){if("mergeSourceNotMoved"==o.abRelation)return e.howMany=0,e.targetPosition=e.targetPosition._getTransformedBySplitOperation(t),[e];if("mergeSameElement"==o.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]})),nr(Hi,Ui,((e,t)=>{const o=Go._createFromPositionAndShift(e.sourcePosition,e.howMany)._getTransformedByInsertOperation(t,!1)[0];return e.sourcePosition=o.start,e.howMany=o.end.offset-o.start.offset,e.targetPosition.isEqual(t.position)||(e.targetPosition=e.targetPosition._getTransformedByInsertOperation(t)),[e]})),nr(Hi,Hi,((e,t,o)=>{const s=Go._createFromPositionAndShift(e.sourcePosition,e.howMany),i=Go._createFromPositionAndShift(t.sourcePosition,t.howMany);let r,n=o.aIsStrong,c=!o.aIsStrong;if("insertBefore"==o.abRelation||"insertAfter"==o.baRelation?c=!0:"insertAfter"!=o.abRelation&&"insertBefore"!=o.baRelation||(c=!1),r=e.targetPosition.isEqual(t.targetPosition)&&c?e.targetPosition._getTransformedByDeletion(t.sourcePosition,t.howMany):e.targetPosition._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany),fr(e,t)&&fr(t,e))return[t.getReversed()];if(s.containsPosition(t.targetPosition)&&s.containsRange(i,!0))return s.start=s.start._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany),s.end=s.end._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany),gr([s],r);if(i.containsPosition(e.targetPosition)&&i.containsRange(s,!0))return s.start=s.start._getCombined(t.sourcePosition,t.getMovedRangeStart()),s.end=s.end._getCombined(t.sourcePosition,t.getMovedRangeStart()),gr([s],r);const l=(0,a.Rt)(e.sourcePosition.getParentPath(),t.sourcePosition.getParentPath());if("prefix"==l||"extension"==l)return s.start=s.start._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany),s.end=s.end._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany),gr([s],r);"remove"!=e.type||"remove"==t.type||o.aWasUndone||o.forceWeakRemove?"remove"==e.type||"remove"!=t.type||o.bWasUndone||o.forceWeakRemove||(n=!1):n=!0;const d=[],h=s.getDifference(i);for(const e of h){e.start=e.start._getTransformedByDeletion(t.sourcePosition,t.howMany),e.end=e.end._getTransformedByDeletion(t.sourcePosition,t.howMany);const o="same"==(0,a.Rt)(e.start.getParentPath(),t.getMovedRangeStart().getParentPath()),s=e._getTransformedByInsertion(t.getMovedRangeStart(),t.howMany,o);d.push(...s)}const u=s.getIntersection(i);return null!==u&&n&&(u.start=u.start._getCombined(t.sourcePosition,t.getMovedRangeStart()),u.end=u.end._getCombined(t.sourcePosition,t.getMovedRangeStart()),0===d.length?d.push(u):1==d.length?i.start.isBefore(s.start)||i.start.isEqual(s.start)?d.unshift(u):d.push(u):d.splice(1,0,u)),0===d.length?[new Qi(e.baseVersion)]:gr(d,r)})),nr(Hi,Gi,((e,t,o)=>{let s=e.targetPosition.clone();e.targetPosition.isEqual(t.insertionPosition)&&t.graveyardPosition&&"moveTargetAfter"!=o.abRelation||(s=e.targetPosition._getTransformedBySplitOperation(t));const i=Go._createFromPositionAndShift(e.sourcePosition,e.howMany);if(i.end.isEqual(t.insertionPosition))return t.graveyardPosition||e.howMany++,e.targetPosition=s,[e];if(i.start.hasSameParentAs(t.splitPosition)&&i.containsPosition(t.splitPosition)){let e=new Go(t.splitPosition,i.end);e=e._getTransformedBySplitOperation(t);return gr([new Go(i.start,t.splitPosition),e],s)}e.targetPosition.isEqual(t.splitPosition)&&"insertAtSource"==o.abRelation&&(s=t.moveTargetPosition),e.targetPosition.isEqual(t.insertionPosition)&&"insertBetween"==o.abRelation&&(s=e.targetPosition);const r=[i._getTransformedBySplitOperation(t)];if(t.graveyardPosition){const s=i.start.isEqual(t.graveyardPosition)||i.containsPosition(t.graveyardPosition);e.howMany>1&&s&&!o.aWasUndone&&r.push(Go._createFromPositionAndShift(t.insertionPosition,1))}return gr(r,s)})),nr(Hi,Ki,((e,t,o)=>{const s=Go._createFromPositionAndShift(e.sourcePosition,e.howMany);if(t.deletionPosition.hasSameParentAs(e.sourcePosition)&&s.containsPosition(t.sourcePosition))if("remove"!=e.type||o.forceWeakRemove){if(1==e.howMany)return o.bWasUndone?(e.sourcePosition=t.graveyardPosition.clone(),e.targetPosition=e.targetPosition._getTransformedByMergeOperation(t),[e]):[new Qi(0)]}else if(!o.aWasUndone){const o=[];let s=t.graveyardPosition.clone(),i=t.targetPosition._getTransformedByMergeOperation(t);e.howMany>1&&(o.push(new Hi(e.sourcePosition,e.howMany-1,e.targetPosition,0)),s=s._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany-1),i=i._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany-1));const r=t.deletionPosition._getCombined(e.sourcePosition,e.targetPosition),n=new Hi(s,1,r,0),a=n.getMovedRangeStart().path.slice();a.push(0);const c=new Zo(n.targetPosition.root,a);i=i._getTransformedByMove(s,r,1);const l=new Hi(i,t.howMany,c,0);return o.push(n),o.push(l),o}const i=Go._createFromPositionAndShift(e.sourcePosition,e.howMany)._getTransformedByMergeOperation(t);return e.sourcePosition=i.start,e.howMany=i.end.offset-i.start.offset,e.targetPosition=e.targetPosition._getTransformedByMergeOperation(t),[e]})),nr(er,Ui,((e,t)=>(e.position=e.position._getTransformedByInsertOperation(t),[e]))),nr(er,Ki,((e,t)=>e.position.isEqual(t.deletionPosition)?(e.position=t.graveyardPosition.clone(),e.position.stickiness="toNext",[e]):(e.position=e.position._getTransformedByMergeOperation(t),[e]))),nr(er,Hi,((e,t)=>(e.position=e.position._getTransformedByMoveOperation(t),[e]))),nr(er,er,((e,t,o)=>{if(e.position.isEqual(t.position)){if(!o.aIsStrong)return[new Qi(0)];e.oldName=t.newName}return[e]})),nr(er,Gi,((e,t)=>{const o=e.position.path,s=t.splitPosition.getParentPath();if("same"==(0,a.Rt)(o,s)&&!t.graveyardPosition){const t=new er(e.position.getShiftedBy(1),e.oldName,e.newName,0);return[e,t]}return e.position=e.position._getTransformedBySplitOperation(t),[e]})),nr(tr,tr,((e,t,o)=>{if(e.root===t.root&&e.key===t.key){if(!o.aIsStrong||e.newValue===t.newValue)return[new Qi(0)];e.oldValue=t.newValue}return[e]})),nr(or,or,((e,t)=>e.rootName===t.rootName&&e.isAdd===t.isAdd?[new Qi(0)]:[e])),nr(Gi,Ui,((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]))),nr(Gi,Ki,((e,t,o)=>{if(!e.graveyardPosition&&!o.bWasUndone&&e.splitPosition.hasSameParentAs(t.sourcePosition)){const o=t.graveyardPosition.path.slice();o.push(0);const s=new Zo(t.graveyardPosition.root,o),i=Gi.getInsertionPosition(new Zo(t.graveyardPosition.root,o)),r=new Gi(s,0,i,null,0);return e.splitPosition=e.splitPosition._getTransformedByMergeOperation(t),e.insertionPosition=Gi.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=Gi.getInsertionPosition(e.splitPosition),e.graveyardPosition&&(e.graveyardPosition=e.graveyardPosition._getTransformedByMergeOperation(t)),[e]})),nr(Gi,Hi,((e,t,o)=>{const s=Go._createFromPositionAndShift(t.sourcePosition,t.howMany);if(e.graveyardPosition){const i=s.start.isEqual(e.graveyardPosition)||s.containsPosition(e.graveyardPosition);if(!o.bWasUndone&&i){const o=e.splitPosition._getTransformedByMoveOperation(t),s=e.graveyardPosition._getTransformedByMoveOperation(t),i=s.path.slice();i.push(0);const r=new Zo(s.root,i);return[new Hi(o,e.howMany,r,0)]}e.graveyardPosition=e.graveyardPosition._getTransformedByMoveOperation(t)}const i=e.splitPosition.isEqual(t.targetPosition);if(i&&("insertAtSource"==o.baRelation||"splitBefore"==o.abRelation))return e.howMany+=t.howMany,e.splitPosition=e.splitPosition._getTransformedByDeletion(t.sourcePosition,t.howMany),e.insertionPosition=Gi.getInsertionPosition(e.splitPosition),[e];if(i&&o.abRelation&&o.abRelation.howMany){const{howMany:t,offset:s}=o.abRelation;return e.howMany+=t,e.splitPosition=e.splitPosition.getShiftedBy(s),[e]}if(e.splitPosition.hasSameParentAs(t.sourcePosition)&&s.containsPosition(e.splitPosition)){const o=t.howMany-(e.splitPosition.offset-t.sourcePosition.offset);return e.howMany-=o,e.splitPosition.hasSameParentAs(t.targetPosition)&&e.splitPosition.offset<t.targetPosition.offset&&(e.howMany+=t.howMany),e.splitPosition=t.sourcePosition.clone(),e.insertionPosition=Gi.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=Gi.getInsertionPosition(e.splitPosition),[e]})),nr(Gi,Gi,((e,t,o)=>{if(e.splitPosition.isEqual(t.splitPosition)){if(!e.graveyardPosition&&!t.graveyardPosition)return[new Qi(0)];if(e.graveyardPosition&&t.graveyardPosition&&e.graveyardPosition.isEqual(t.graveyardPosition))return[new Qi(0)];if("splitBefore"==o.abRelation)return e.howMany=0,e.graveyardPosition=e.graveyardPosition._getTransformedBySplitOperation(t),[e]}if(e.graveyardPosition&&t.graveyardPosition&&e.graveyardPosition.isEqual(t.graveyardPosition)){const s="$graveyard"==e.splitPosition.root.rootName,i="$graveyard"==t.splitPosition.root.rootName;if(i&&!s||!(s&&!i)&&o.aIsStrong){const o=[];return t.howMany&&o.push(new Hi(t.moveTargetPosition,t.howMany,t.splitPosition,0)),e.howMany&&o.push(new Hi(e.splitPosition,e.howMany,e.moveTargetPosition,0)),o}return[new Qi(0)]}if(e.graveyardPosition&&(e.graveyardPosition=e.graveyardPosition._getTransformedBySplitOperation(t)),e.splitPosition.isEqual(t.insertionPosition)&&"splitBefore"==o.abRelation)return e.howMany++,[e];if(t.splitPosition.isEqual(e.insertionPosition)&&"splitBefore"==o.baRelation){const o=t.insertionPosition.path.slice();o.push(0);const s=new Zo(t.insertionPosition.root,o);return[e,new Hi(e.insertionPosition,1,s,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=Gi.getInsertionPosition(e.splitPosition),[e]}));class mr extends((0,a.ln)(Zo)){constructor(e,t,o="toNone"){if(super(e,t,o),!this.root.is("rootElement"))throw new a.Bb("model-liveposition-root-not-rootelement",e);br.call(this)}detach(){this.stopListening()}toPosition(){return new Zo(this.root,this.path.slice(),this.stickiness)}static fromPosition(e,t){return new this(e.root,e.path.slice(),t||e.stickiness)}}function br(){this.listenTo(this.root.document.model,"applyOperation",((e,t)=>{const o=t[0];o.isDocumentOperation&&_r.call(this,o)}),{priority:"low"})}function _r(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)}}mr.prototype.is=function(e){return"livePosition"===e||"model:livePosition"===e||"position"==e||"model:position"===e};class kr{constructor(e={}){"string"==typeof e&&(e="transparent"===e?{isUndoable:!1}:{},(0,a.KE)("batch-constructor-deprecated-string-type"));const{isUndoable:t=!0,isLocal:o=!0,isUndo:s=!1,isTyping:i=!1}=e;this.operations=[],this.isUndoable=t,this.isLocal=o,this.isUndo=s,this.isTyping=i}get type(){return(0,a.KE)("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}}var wr=Object.defineProperty,vr=Object.defineProperties,yr=Object.getOwnPropertyDescriptors,xr=Object.getOwnPropertySymbols,Pr=Object.prototype.hasOwnProperty,Cr=Object.prototype.propertyIsEnumerable,Tr=(e,t,o)=>t in e?wr(e,t,{enumerable:!0,configurable:!0,writable:!0,value:o}):e[t]=o,Er=(e,t)=>{for(var o in t||(t={}))Pr.call(t,o)&&Tr(e,o,t[o]);if(xr)for(var o of xr(t))Cr.call(t,o)&&Tr(e,o,t[o]);return e};class Ar{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),o=this._isInInsertedElement(t.targetPosition.parent);e||this._markRemove(t.sourcePosition.parent,t.sourcePosition.offset,t.howMany),o||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=Go._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 o=t.graveyardPosition.parent;this._markInsert(o,t.graveyardPosition.offset,1);const s=t.targetPosition.parent;this._isInInsertedElement(s)||this._markInsert(s,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,o){t.range&&t.range.root.is("rootElement")&&!t.range.root._isLoaded&&(t.range=null),o.range&&o.range.root.is("rootElement")&&!o.range.root._isLoaded&&(o.range=null);let s=this._changedMarkers.get(e);s?s.newMarkerData=o:(s={newMarkerData:o,oldMarkerData:t},this._changedMarkers.set(e,s)),null==s.oldMarkerData.range&&null==o.range&&this._changedMarkers.delete(e)}getMarkersToRemove(){const e=[];for(const[t,o]of this._changedMarkers)null!=o.oldMarkerData.range&&e.push({name:t,range:o.oldMarkerData.range});return e}getMarkersToAdd(){const e=[];for(const[t,o]of this._changedMarkers)null!=o.newMarkerData.range&&e.push({name:t,range:o.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 o=e.range&&!t.range,s=!e.range&&t.range,i=e.range&&t.range&&!e.range.isEqual(t.range);if(o||s||i)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 o=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)),s=this._elementSnapshots.get(e),i=Sr(e.getChildren()),r=Or(s.length,o);let n=0,a=0;for(const o of r)if("i"===o)t.push(this._getInsertDiff(e,n,i[n])),n++;else if("r"===o)t.push(this._getRemoveDiff(e,n,s[a])),a++;else if("a"===o){const o=i[n].attributes,r=s[a].attributes;let c;if("$text"==i[n].name)c=new Go(Zo._createAt(e,n),Zo._createAt(e,n+1));else{const t=e.offsetToIndex(n);c=new Go(Zo._createAt(e,n),Zo._createAt(e.getChild(t),0))}t.push(...this._getAttributesDiff(c,r,o)),n++,a++}else n++,a++}t.sort(((e,t)=>e.position.root!=t.position.root?e.position.root.rootName<t.position.root.rootName?-1:1:e.position.isEqual(t.position)?e.changeCount-t.changeCount:e.position.isBefore(t.position)?-1:1));for(let e=1,o=0;e<t.length;e++){const s=t[o],i=t[e],r="remove"==s.type&&"remove"==i.type&&"$text"==s.name&&"$text"==i.name&&s.position.isEqual(i.position),n="insert"==s.type&&"insert"==i.type&&"$text"==s.name&&"$text"==i.name&&s.position.parent==i.position.parent&&s.position.offset+s.length==i.position.offset,a="attribute"==s.type&&"attribute"==i.type&&s.position.parent==i.position.parent&&s.range.isFlat&&i.range.isFlat&&s.position.offset+s.length==i.position.offset&&s.attributeKey==i.attributeKey&&s.attributeOldValue==i.attributeOldValue&&s.attributeNewValue==i.attributeNewValue;r||n||a?(s.length++,a&&(s.range.end=s.range.end.getShiftedBy(1)),t[e]=null):o=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(Rr),e.includeChangesInGraveyard?this._cachedChangesWithGraveyard.slice():this._cachedChanges.slice()}getChangedRoots(){return Array.from(this._changedRoots.values()).map((e=>{const t=Er({},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 o=this._changedRoots.get(e);void 0!==o.state?(delete o.state,void 0===o.attributes&&this._changedRoots.delete(e)):o.state=t?"attached":"detached"}_bufferRootAttributeChange(e,t,o,s){const i=this._changedRoots.get(e)||{name:e},r=i.attributes||{};if(r[t]){const e=r[t];s===e.oldValue?delete r[t]:e.newValue=s}else r[t]={oldValue:o,newValue:s};0===Object.entries(r).length?(delete i.attributes,void 0===i.state&&this._changedRoots.delete(e)):(i.attributes=r,this._changedRoots.set(e,i))}_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=Go._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 o of this._markerCollection)if(o.getRange().root==e){const e=o.getData();this.bufferMarkerChange(o.name,(t=Er({},e),vr(t,yr({range:null}))),e)}var t}}_markInsert(e,t,o){if(e.root.is("rootElement")&&!e.root._isLoaded)return;const s={type:"insert",offset:t,howMany:o,count:this._changeCount++};this._markChange(e,s)}_markRemove(e,t,o){if(e.root.is("rootElement")&&!e.root._isLoaded)return;const s={type:"remove",offset:t,howMany:o,count:this._changeCount++};this._markChange(e,s),this._removeAllNestedChanges(e,t,o)}_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 o=this._getChangesForElement(e);this._handleChange(t,o),o.push(t);for(let e=0;e<o.length;e++)o[e].howMany<1&&(o.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,Sr(e.getChildren()))}_handleChange(e,t){e.nodesToHandle=e.howMany;for(const o of t){const s=e.offset+e.howMany,i=o.offset+o.howMany;if("insert"==e.type&&("insert"==o.type&&(e.offset<=o.offset?o.offset+=e.howMany:e.offset<i&&(o.howMany+=e.nodesToHandle,e.nodesToHandle=0)),"remove"==o.type&&e.offset<o.offset&&(o.offset+=e.howMany),"attribute"==o.type))if(e.offset<=o.offset)o.offset+=e.howMany;else if(e.offset<i){const i=o.howMany;o.howMany=e.offset-o.offset,t.unshift({type:"attribute",offset:s,howMany:i-o.howMany,count:this._changeCount++})}if("remove"==e.type){if("insert"==o.type)if(s<=o.offset)o.offset-=e.howMany;else if(s<=i)if(e.offset<o.offset){const t=s-o.offset;o.offset=e.offset,o.howMany-=t,e.nodesToHandle-=t}else o.howMany-=e.nodesToHandle,e.nodesToHandle=0;else if(e.offset<=o.offset)e.nodesToHandle-=o.howMany,o.howMany=0;else if(e.offset<i){const t=i-e.offset;o.howMany-=t,e.nodesToHandle-=t}if("remove"==o.type&&(s<=o.offset?o.offset-=e.howMany:e.offset<o.offset&&(e.nodesToHandle+=o.howMany,o.howMany=0)),"attribute"==o.type)if(s<=o.offset)o.offset-=e.howMany;else if(e.offset<o.offset){const t=s-o.offset;o.offset=e.offset,o.howMany-=t}else if(e.offset<i)if(s<=i){const s=o.howMany;o.howMany=e.offset-o.offset;const i=s-o.howMany-e.nodesToHandle;t.unshift({type:"attribute",offset:e.offset,howMany:i,count:this._changeCount++})}else o.howMany-=i-e.offset}if("attribute"==e.type){if("insert"==o.type)if(e.offset<o.offset&&s>o.offset){if(s>i){const e={type:"attribute",offset:i,howMany:s-i,count:this._changeCount++};this._handleChange(e,t),t.push(e)}e.nodesToHandle=o.offset-e.offset,e.howMany=e.nodesToHandle}else e.offset>=o.offset&&e.offset<i&&(s>i?(e.nodesToHandle=s-i,e.offset=i):e.nodesToHandle=0);if("remove"==o.type&&e.offset<o.offset&&s>o.offset){const i={type:"attribute",offset:o.offset,howMany:s-o.offset,count:this._changeCount++};this._handleChange(i,t),t.push(i),e.nodesToHandle=o.offset-e.offset,e.howMany=e.nodesToHandle}"attribute"==o.type&&(e.offset>=o.offset&&s<=i?(e.nodesToHandle=0,e.howMany=0,e.offset=0):e.offset<=o.offset&&s>=i&&(o.howMany=0))}}e.howMany=e.nodesToHandle,delete e.nodesToHandle}_getInsertDiff(e,t,o){return{type:"insert",position:Zo._createAt(e,t),name:o.name,attributes:new Map(o.attributes),length:1,changeCount:this._changeCount++}}_getRemoveDiff(e,t,o){return{type:"remove",position:Zo._createAt(e,t),name:o.name,attributes:new Map(o.attributes),length:1,changeCount:this._changeCount++}}_getAttributesDiff(e,t,o){const s=[];o=new Map(o);for(const[i,r]of t){const t=o.has(i)?o.get(i):null;t!==r&&s.push({type:"attribute",position:e.start,range:e.clone(),length:1,attributeKey:i,attributeOldValue:r,attributeNewValue:t,changeCount:this._changeCount++}),o.delete(i)}for(const[t,i]of o)s.push({type:"attribute",position:e.start,range:e.clone(),length:1,attributeKey:t,attributeOldValue:null,attributeNewValue:i,changeCount:this._changeCount++});return s}_isInInsertedElement(e){const t=e.parent;if(!t)return!1;const o=this._changesInElement.get(t),s=e.startOffset;if(o)for(const e of o)if("insert"==e.type&&s>=e.offset&&s<e.offset+e.howMany)return!0;return this._isInInsertedElement(t)}_removeAllNestedChanges(e,t,o){const s=new Go(Zo._createAt(e,t),Zo._createAt(e,t+o));for(const e of s.getItems({shallow:!0}))e.is("element")&&(this._elementSnapshots.delete(e),this._changesInElement.delete(e),this._removeAllNestedChanges(e,0,e.maxOffset))}}function Sr(e){const t=[];for(const o of e)if(o.is("$text"))for(let e=0;e<o.data.length;e++)t.push({name:"$text",attributes:new Map(o.getAttributes())});else t.push({name:o.name,attributes:new Map(o.getAttributes())});return t}function Or(e,t){const o=[];let s=0,i=0;for(const e of t){if(e.offset>s){for(let t=0;t<e.offset-s;t++)o.push("e");i+=e.offset-s}if("insert"==e.type){for(let t=0;t<e.howMany;t++)o.push("i");s=e.offset+e.howMany}else if("remove"==e.type){for(let t=0;t<e.howMany;t++)o.push("r");s=e.offset,i+=e.howMany}else o.push(..."a".repeat(e.howMany).split("")),s=e.offset+e.howMany,i+=e.howMany}if(i<e)for(let t=0;t<e-i-s;t++)o.push("e");return o}function Rr(e){const t="position"in e&&"$graveyard"==e.position.root.rootName,o="range"in e&&"$graveyard"==e.range.root.rootName;return!t&&!o}class jr{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 a.Bb("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 o=this._operations[0];void 0===e&&(e=o.baseVersion);let s=t-1;for(const[t,o]of this._gaps)e>t&&e<o&&(e=o),s>t&&s<o&&(s=t-1);if(s<o.baseVersion||e>this.lastOperation.baseVersion)return[];let i=this._baseVersionToOperationIndex.get(e);void 0===i&&(i=0);let r=this._baseVersionToOperationIndex.get(s);return void 0===r&&(r=this._operations.length-1),this._operations.slice(i,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 Mr extends zo{constructor(e,t,o="main"){super(t),this._isAttached=!0,this._isLoaded=!0,this._document=e,this.rootName=o}get document(){return this._document}isAttached(){return this._isAttached}toJSON(){return this.rootName}}Mr.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};var Vr=Object.defineProperty,Br=Object.defineProperties,Ir=Object.getOwnPropertyDescriptors,Dr=Object.getOwnPropertySymbols,Nr=Object.prototype.hasOwnProperty,zr=Object.prototype.propertyIsEnumerable,Fr=(e,t,o)=>t in e?Vr(e,t,{enumerable:!0,configurable:!0,writable:!0,value:o}):e[t]=o,Lr=(e,t)=>{for(var o in t||(t={}))Nr.call(t,o)&&Fr(e,o,t[o]);if(Dr)for(var o of Dr(t))zr.call(t,o)&&Fr(e,o,t[o]);return e},Zr=(e,t)=>Br(e,Ir(t));const Wr="$graveyard";class $r extends((0,a.ln)()){constructor(e){super(),this.model=e,this.history=new jr,this.selection=new vs(this),this.roots=new a.FE({idProperty:"rootName"}),this.differ=new Ar(e.markers),this.isReadOnly=!1,this._postFixers=new Set,this._hasSelectionChangedFromTheLastChangeBlock=!1,this.createRoot("$root",Wr),this.listenTo(e,"applyOperation",((e,t)=>{const o=t[0];o.isDocumentOperation&&this.differ.bufferOperation(o)}),{priority:"high"}),this.listenTo(e,"applyOperation",((e,t)=>{const o=t[0];o.isDocumentOperation&&this.history.addOperation(o)}),{priority:"low"}),this.listenTo(this.selection,"change",(()=>{this._hasSelectionChangedFromTheLastChangeBlock=!0})),this.listenTo(e.markers,"update",((e,t,o,s,i)=>{const r=Zr(Lr({},t.getData()),{range:s});this.differ.bufferMarkerChange(t.name,i,r),null===o&&t.on("change",((e,o)=>{const s=t.getData();this.differ.bufferMarkerChange(t.name,Zr(Lr({},s),{range:o}),s)}))})),this.registerPostFixer((e=>{let t=!1;for(const o of this.roots)o.isAttached()||o.isEmpty||(e.remove(e.createRangeIn(o)),t=!0);for(const o of this.model.markers)o.getRange().root.isAttached()||(e.removeMarker(o),t=!0);return t}))}get version(){return this.history.version}set version(e){this.history.version=e}get graveyard(){return this.getRoot(Wr)}createRoot(e="$root",t="main"){if(this.roots.get(t))throw new a.Bb("model-document-createroot-name-exists",this,{name:t});const o=new Mr(this,e,t);return this.roots.add(o),o}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=w(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,o=t.schema,s=t.createPositionFromPath(e,[0]);return o.getNearestSelectionRange(s)||t.createRange(s)}_validateSelectionRange(e){return qr(e.start)&&qr(e.end)}_callPostFixers(e){let t=!1;do{for(const o of this._postFixers)if(this.selection.refresh(),t=o(e),t)break}while(t)}}function qr(e){const t=e.textNode;if(t){const o=t.data,s=e.offset-t.startOffset;return!(0,a.to)(o,s)&&!(0,a.pp)(o,s)}return!0}var Hr=Object.defineProperty,Ur=Object.defineProperties,Gr=Object.getOwnPropertyDescriptors,Kr=Object.getOwnPropertySymbols,Jr=Object.prototype.hasOwnProperty,Yr=Object.prototype.propertyIsEnumerable,Xr=(e,t,o)=>t in e?Hr(e,t,{enumerable:!0,configurable:!0,writable:!0,value:o}):e[t]=o;class Qr extends((0,a.ln)()){constructor(){super(...arguments),this._markers=new Map}[Symbol.iterator](){return this._markers.values()}has(e){const t=e instanceof en?e.name:e;return this._markers.has(t)}get(e){return this._markers.get(e)||null}_set(e,t,o=!1,s=!1){const i=e instanceof en?e.name:e;if(i.includes(","))throw new a.Bb("markercollection-incorrect-marker-name",this);const r=this._markers.get(i);if(r){const e=r.getData(),n=r.getRange();let a=!1;return n.isEqual(t)||(r._attachLiveRange(bs.fromRange(t)),a=!0),o!=r.managedUsingOperations&&(r._managedUsingOperations=o,a=!0),"boolean"==typeof s&&s!=r.affectsData&&(r._affectsData=s,a=!0),a&&this.fire(`update:${i}`,r,n,t,e),r}const n=bs.fromRange(t),c=new en(i,n,o,s);var l;return this._markers.set(i,c),this.fire(`update:${i}`,c,null,t,(l=((e,t)=>{for(var o in t||(t={}))Jr.call(t,o)&&Xr(e,o,t[o]);if(Kr)for(var o of Kr(t))Yr.call(t,o)&&Xr(e,o,t[o]);return e})({},c.getData()),Ur(l,Gr({range:null})))),c}_remove(e){const t=e instanceof en?e.name:e,o=this._markers.get(t);return!!o&&(this._markers.delete(t),this.fire(`update:${t}`,o,o.getRange(),null,o.getData()),this._destroyMarker(o),!0)}_refresh(e){const t=e instanceof en?e.name:e,o=this._markers.get(t);if(!o)throw new a.Bb("markercollection-refresh-marker-not-exists",this);const s=o.getRange();this.fire(`update:${t}`,o,s,s,o.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 en extends((0,a.ln)(Vo)){constructor(e,t,o,s){super(),this.name=e,this._liveRange=this._attachLiveRange(t),this._managedUsingOperations=o,this._affectsData=s}get managedUsingOperations(){if(!this._liveRange)throw new a.Bb("marker-destroyed",this);return this._managedUsingOperations}get affectsData(){if(!this._liveRange)throw new a.Bb("marker-destroyed",this);return this._affectsData}getData(){return{range:this.getRange(),affectsData:this.affectsData,managedUsingOperations:this.managedUsingOperations}}getStart(){if(!this._liveRange)throw new a.Bb("marker-destroyed",this);return this._liveRange.start.clone()}getEnd(){if(!this._liveRange)throw new a.Bb("marker-destroyed",this);return this._liveRange.end.clone()}getRange(){if(!this._liveRange)throw new a.Bb("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}}en.prototype.is=function(e){return"marker"===e||"model:marker"===e};class tn extends Ni{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 a.Bb("detach-operation-on-document-node",this)}_execute(){Fi(Go._createFromPositionAndShift(this.sourcePosition,this.howMany))}static get className(){return"DetachOperation"}}class on extends Vo{constructor(e){super(),this.markers=new Map,this._children=new Io,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 o of e)t=t.getChild(t.offsetToIndex(o));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 o of e)o.name?t.push(zo.fromJSON(o)):t.push(Do.fromJSON(o));return new on(t)}_appendChild(e){this._insertChild(this.childCount,e)}_insertChild(e,t){const o=function(e){if("string"==typeof e)return[new Do(e)];(0,a.TW)(e)||(e=[e]);return Array.from(e).map((e=>"string"==typeof e?new Do(e):e instanceof No?new Do(e.data,e.getAttributes()):e))}(t);for(const e of o)null!==e.parent&&e._remove(),e.parent=this;this._children._insertNodes(e,o)}_removeChildren(e,t=1){const o=this._children._removeNodes(e,t);for(const e of o)e.parent=null;return o}}on.prototype.is=function(e){return"documentFragment"===e||"model:documentFragment"===e};class sn{constructor(e,t){this.model=e,this.batch=t}createText(e,t){return new Do(e,t)}createElement(e,t){return new zo(e,t)}createDocumentFragment(){return new on}cloneElement(e,t=!0){return e._clone(t)}insert(e,t,o=0){if(this._assertWriterUsedCorrectly(),e instanceof Do&&""==e.data)return;const s=Zo._createAt(t,o);if(e.parent){if(ln(e.root,s.root))return void this.move(Go._createOn(e),s);if(e.root.document)throw new a.Bb("model-writer-insert-forbidden-move",this);this.remove(e)}const i=s.root.document?s.root.document.version:null,r=new Ui(s,e,i);if(e instanceof Do&&(r.shouldReceiveAttributes=!0),this.batch.addOperation(r),this.model.applyOperation(r),e instanceof on)for(const[t,o]of e.markers){const e=Zo._createAt(o.root,0),i={range:new Go(o.start._getCombined(e,s),o.end._getCombined(e,s)),usingOperation:!0,affectsData:!0};this.model.markers.has(t)?this.updateMarker(t,i):this.addMarker(t,i)}}insertText(e,t,o,s){t instanceof on||t instanceof zo||t instanceof Zo?this.insert(this.createText(e),t,o):this.insert(this.createText(e,t),o,s)}insertElement(e,t,o,s){t instanceof on||t instanceof zo||t instanceof Zo?this.insert(this.createElement(e),t,o):this.insert(this.createElement(e,t),o,s)}append(e,t){this.insert(e,t,"end")}appendText(e,t,o){t instanceof on||t instanceof zo?this.insert(this.createText(e),t,"end"):this.insert(this.createText(e,t),o,"end")}appendElement(e,t,o){t instanceof on||t instanceof zo?this.insert(this.createElement(e),t,"end"):this.insert(this.createElement(e,t),o,"end")}setAttribute(e,t,o){if(this._assertWriterUsedCorrectly(),o instanceof Go){const s=o.getMinimalFlatRanges();for(const o of s)rn(this,e,t,o)}else nn(this,e,t,o)}setAttributes(e,t){for(const[o,s]of(0,a.qL)(e))this.setAttribute(o,s,t)}removeAttribute(e,t){if(this._assertWriterUsedCorrectly(),t instanceof Go){const o=t.getMinimalFlatRanges();for(const t of o)rn(this,e,null,t)}else nn(this,e,null,t)}clearAttributes(e){this._assertWriterUsedCorrectly();const t=e=>{for(const t of e.getAttributeKeys())this.removeAttribute(t,e)};if(e instanceof Go)for(const o of e.getItems())t(o);else t(e)}move(e,t,o){if(this._assertWriterUsedCorrectly(),!(e instanceof Go))throw new a.Bb("writer-move-invalid-range",this);if(!e.isFlat)throw new a.Bb("writer-move-range-not-flat",this);const s=Zo._createAt(t,o);if(s.isEqual(e.start))return;if(this._addOperationForAffectedMarkers("move",e),!ln(e.root,s.root))throw new a.Bb("writer-move-different-document",this);const i=e.root.document?e.root.document.version:null,r=new Hi(e.start,e.end.offset-e.start.offset,s,i);this.batch.addOperation(r),this.model.applyOperation(r)}remove(e){this._assertWriterUsedCorrectly();const t=(e instanceof Go?e:Go._createOn(e)).getMinimalFlatRanges().reverse();for(const e of t)this._addOperationForAffectedMarkers("move",e),cn(e.start,e.end.offset-e.start.offset,this.batch,this.model)}merge(e){this._assertWriterUsedCorrectly();const t=e.nodeBefore,o=e.nodeAfter;if(this._addOperationForAffectedMarkers("merge",e),!(t instanceof zo))throw new a.Bb("writer-merge-no-element-before",this);if(!(o instanceof zo))throw new a.Bb("writer-merge-no-element-after",this);e.root.document?this._merge(e):this._mergeDetached(e)}createPositionFromPath(e,t,o){return this.model.createPositionFromPath(e,t,o)}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,o=e.nodeAfter;this.move(Go._createIn(o),Zo._createAt(t,"end")),this.remove(o)}_merge(e){const t=Zo._createAt(e.nodeBefore,"end"),o=Zo._createAt(e.nodeAfter,0),s=e.root.document.graveyard,i=new Zo(s,[0]),r=e.root.document.version,n=new Ki(o,e.nodeAfter.maxOffset,t,i,r);this.batch.addOperation(n),this.model.applyOperation(n)}rename(e,t){if(this._assertWriterUsedCorrectly(),!(e instanceof zo))throw new a.Bb("writer-rename-not-element-instance",this);const o=e.root.document?e.root.document.version:null,s=new er(Zo._createBefore(e),e.name,t,o);this.batch.addOperation(s),this.model.applyOperation(s)}split(e,t){this._assertWriterUsedCorrectly();let o,s,i=e.parent;if(!i.parent)throw new a.Bb("writer-split-element-no-parent",this);if(t||(t=i.parent),!e.parent.getAncestors({includeSelf:!0}).includes(t))throw new a.Bb("writer-split-invalid-limit-element",this);do{const t=i.root.document?i.root.document.version:null,r=i.maxOffset-e.offset,n=Gi.getInsertionPosition(e),a=new Gi(e,r,n,null,t);this.batch.addOperation(a),this.model.applyOperation(a),o||s||(o=i,s=e.parent.nextSibling),i=(e=this.createPositionAfter(e.parent)).parent}while(i!==t);return{position:e,range:new Go(Zo._createAt(o,"end"),Zo._createAt(s,0))}}wrap(e,t){if(this._assertWriterUsedCorrectly(),!e.isFlat)throw new a.Bb("writer-wrap-range-not-flat",this);const o=t instanceof zo?t:new zo(t);if(o.childCount>0)throw new a.Bb("writer-wrap-element-not-empty",this);if(null!==o.parent)throw new a.Bb("writer-wrap-element-attached",this);this.insert(o,e.start);const s=new Go(e.start.getShiftedBy(1),e.end.getShiftedBy(1));this.move(s,Zo._createAt(o,0))}unwrap(e){if(this._assertWriterUsedCorrectly(),null===e.parent)throw new a.Bb("writer-unwrap-element-no-parent",this);this.move(Go._createIn(e),this.createPositionAfter(e)),this.remove(e)}addMarker(e,t){if(this._assertWriterUsedCorrectly(),!t||"boolean"!=typeof t.usingOperation)throw new a.Bb("writer-addmarker-no-usingoperation",this);const o=t.usingOperation,s=t.range,i=void 0!==t.affectsData&&t.affectsData;if(this.model.markers.has(e))throw new a.Bb("writer-addmarker-marker-exists",this);if(!s)throw new a.Bb("writer-addmarker-no-range",this);return o?(an(this,e,null,s,i),this.model.markers.get(e)):this.model.markers._set(e,s,o,i)}updateMarker(e,t){this._assertWriterUsedCorrectly();const o="string"==typeof e?e:e.name,s=this.model.markers.get(o);if(!s)throw new a.Bb("writer-updatemarker-marker-not-exists",this);if(!t)return(0,a.KE)("writer-updatemarker-reconvert-using-editingcontroller",{markerName:o}),void this.model.markers._refresh(s);const i="boolean"==typeof t.usingOperation,r="boolean"==typeof t.affectsData,n=r?t.affectsData:s.affectsData;if(!i&&!t.range&&!r)throw new a.Bb("writer-updatemarker-wrong-options",this);const c=s.getRange(),l=t.range?t.range:c;i&&t.usingOperation!==s.managedUsingOperations?t.usingOperation?an(this,o,null,l,n):(an(this,o,c,null,n),this.model.markers._set(o,l,void 0,n)):s.managedUsingOperations?an(this,o,c,l,n):this.model.markers._set(o,l,void 0,n)}removeMarker(e){this._assertWriterUsedCorrectly();const t="string"==typeof e?e:e.name;if(!this.model.markers.has(t))throw new a.Bb("writer-removemarker-no-marker",this);const o=this.model.markers.get(t);if(!o.managedUsingOperations)return void this.model.markers._remove(t);an(this,t,o.getRange(),null,o.affectsData)}addRoot(e,t="$root"){this._assertWriterUsedCorrectly();const o=this.model.document.getRoot(e);if(o&&o.isAttached())throw new a.Bb("writer-addroot-root-exists",this);const s=this.model.document,i=new or(e,t,!0,s,s.version);return this.batch.addOperation(i),this.model.applyOperation(i),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 a.Bb("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 o=this.model.document,s=new or(t.rootName,t.name,!1,o,o.version);this.batch.addOperation(s),this.model.applyOperation(s)}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,o]of(0,a.qL)(e))this._setSelectionAttribute(t,o)}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 o=this.model.document.selection;if(o.isCollapsed&&o.anchor.parent.isEmpty){const s=vs._getStoreAttributeKey(e);this.setAttribute(s,t,o.anchor.parent)}o._setAttribute(e,t)}_removeSelectionAttribute(e){const t=this.model.document.selection;if(t.isCollapsed&&t.anchor.parent.isEmpty){const o=vs._getStoreAttributeKey(e);this.removeAttribute(o,t.anchor.parent)}t._removeAttribute(e)}_assertWriterUsedCorrectly(){if(this.model._currentWriter!==this)throw new a.Bb("writer-incorrect-use",this)}_addOperationForAffectedMarkers(e,t){for(const o of this.model.markers){if(!o.managedUsingOperations)continue;const s=o.getRange();let i=!1;if("move"===e){const e=t;i=e.containsPosition(s.start)||e.start.isEqual(s.start)||e.containsPosition(s.end)||e.end.isEqual(s.end)}else{const e=t,o=e.nodeBefore,r=e.nodeAfter,n=s.start.parent==o&&s.start.isAtEnd,a=s.end.parent==r&&0==s.end.offset,c=s.end.nodeAfter==r,l=s.start.nodeAfter==r;i=n||a||c||l}i&&this.updateMarker(o.name,{range:s})}}}function rn(e,t,o,s){const i=e.model,r=i.document;let n,a,c,l=s.start;for(const e of s.getWalker({shallow:!0}))c=e.item.getAttribute(t),n&&a!=c&&(a!=o&&d(),l=n),n=e.nextPosition,a=c;function d(){const s=new Go(l,n),c=s.root.document?r.version:null,d=new Xi(s,t,a,o,c);e.batch.addOperation(d),i.applyOperation(d)}n instanceof Zo&&n!=l&&a!=o&&d()}function nn(e,t,o,s){const i=e.model,r=i.document,n=s.getAttribute(t);let a,c;if(n!=o){if(s.root===s){const e=s.document?r.version:null;c=new tr(s,t,n,o,e)}else{a=new Go(Zo._createBefore(s),e.createPositionAfter(s));const i=a.root.document?r.version:null;c=new Xi(a,t,n,o,i)}e.batch.addOperation(c),i.applyOperation(c)}}function an(e,t,o,s,i){const r=e.model,n=r.document,a=new Ji(t,o,s,r.markers,!!i,n.version);e.batch.addOperation(a),r.applyOperation(a)}function cn(e,t,o,s){let i;if(e.root.document){const o=s.document,r=new Zo(o.graveyard,[0]);i=new Hi(e,t,r,o.version)}else i=new tn(e,t);o.addOperation(i),s.applyOperation(i)}function ln(e,t){return e===t||e instanceof Mr&&t instanceof Mr}function dn(e,t,o={}){if(t.isCollapsed)return;const s=t.getFirstRange();if("$graveyard"==s.root.rootName)return;const i=e.schema;e.change((e=>{if(!o.doNotResetEntireContent&&function(e,t){const o=e.getLimitElement(t);if(!t.containsEntireContent(o))return!1;const s=t.getFirstRange();if(s.start.parent==s.end.parent)return!1;return e.checkChild(o,"paragraph")}(i,t))return void function(e,t){const o=e.model.schema.getLimitElement(t);e.remove(e.createRangeIn(o)),fn(e,e.createPositionAt(o,0),t)}(e,t);const r={};if(!o.doNotAutoparagraph){const e=t.getSelectedElement();e&&Object.assign(r,i.getAttributesWithProperty(e,"copyOnReplace",!0))}const[n,a]=function(e){const t=e.root.document.model,o=e.start;let s=e.end;if(t.hasContent(e,{ignoreMarkers:!0})){const o=function(e){const t=e.parent,o=t.root.document.model.schema,s=t.getAncestors({parentFirst:!0,includeSelf:!0});for(const e of s){if(o.isLimit(e))return null;if(o.isBlock(e))return e}}(s);if(o&&s.isTouching(t.createPositionAt(o,0))){const o=t.createSelection(e);t.modifySelection(o,{direction:"backward"});const i=o.getLastPosition(),r=t.createRange(i,s);t.hasContent(r,{ignoreMarkers:!0})||(s=i)}}return[mr.fromPosition(o,"toPrevious"),mr.fromPosition(s,"toNext")]}(s);n.isTouching(a)||e.remove(e.createRange(n,a)),o.leaveUnmerged||(!function(e,t,o){const s=e.model;if(!pn(e.model.schema,t,o))return;const[i,r]=function(e,t){const o=e.getAncestors(),s=t.getAncestors();let i=0;for(;o[i]&&o[i]==s[i];)i++;return[o[i],s[i]]}(t,o);if(!i||!r)return;!s.hasContent(i,{ignoreMarkers:!0})&&s.hasContent(r,{ignoreMarkers:!0})?un(e,t,o,i.parent):hn(e,t,o,i.parent)}(e,n,a),i.removeDisallowedAttributes(n.parent.getChildren(),e)),gn(e,t,n),!o.doNotAutoparagraph&&function(e,t){const o=e.checkChild(t,"$text"),s=e.checkChild(t,"paragraph");return!o&&s}(i,n)&&fn(e,n,t,r),n.detach(),a.detach()}))}function hn(e,t,o,s){const i=t.parent,r=o.parent;if(i!=s&&r!=s){for(t=e.createPositionAfter(i),(o=e.createPositionBefore(r)).isEqual(t)||e.insert(r,t),e.merge(t);o.parent.isEmpty;){const t=o.parent;o=e.createPositionBefore(t),e.remove(t)}pn(e.model.schema,t,o)&&hn(e,t,o,s)}}function un(e,t,o,s){const i=t.parent,r=o.parent;if(i!=s&&r!=s){for(t=e.createPositionAfter(i),(o=e.createPositionBefore(r)).isEqual(t)||e.insert(i,o);t.parent.isEmpty;){const o=t.parent;t=e.createPositionBefore(o),e.remove(o)}o=e.createPositionBefore(r),function(e,t){const o=t.nodeBefore,s=t.nodeAfter;o.name!=s.name&&e.rename(o,s.name);e.clearAttributes(o),e.setAttributes(Object.fromEntries(s.getAttributes()),o),e.merge(t)}(e,o),pn(e.model.schema,t,o)&&un(e,t,o,s)}}function pn(e,t,o){const s=t.parent,i=o.parent;return s!=i&&(!e.isLimit(s)&&!e.isLimit(i)&&function(e,t,o){const s=new Go(e,t);for(const e of s.getWalker())if(o.isLimit(e.item))return!1;return!0}(t,o,e))}function fn(e,t,o,s={}){const i=e.createElement("paragraph");e.model.schema.setAllowedAttributes(i,s,e),e.insert(i,t),gn(e,o,e.createPositionAt(i,0))}function gn(e,t,o){t instanceof vs?e.setSelection(o):t.setTo(o)}function mn(e,t){const o=[];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=>{o.push(e.start.parent),t.remove(e)})),o.forEach((e=>{let o=e;for(;o.parent&&o.isEmpty;){const e=t.createRangeOn(o);o=o.parent,t.remove(e)}}))}class bn{constructor(e,t,o){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=o,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),o=this.writer.createPositionAfter(e);if(o.isAfter(t)){if(this._lastNode=e,this.position.parent!=e||!this.position.isAtEnd)throw new a.Bb("insertcontent-invalid-insertion-position",this);this.position=o,this._setAffectedBoundaries(this.position)}}getSelectionRange(){return this._nodeToSelect?Go._createOn(this._nodeToSelect):this.model.schema.getNearestSelectionRange(this.position)}getAffectedRange(){return this._affectedStart?new Go(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=mr.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 a.Bb("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=mr.fromPosition(e,"toPrevious")),this._affectedEnd&&!this._affectedEnd.isBefore(e)||(this._affectedEnd&&this._affectedEnd.detach(),this._affectedEnd=mr.fromPosition(e,"toNext"))}_mergeOnLeft(){const e=this._firstNode;if(!(e instanceof zo))return;if(!this._canMergeLeft(e))return;const t=mr._createBefore(e);t.stickiness="toNext";const o=mr.fromPosition(this.position,"toNext");this._affectedStart.isEqual(t)&&(this._affectedStart.detach(),this._affectedStart=mr._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=mr._createAt(t.nodeBefore,"end","toNext")),this.position=o.toPosition(),o.detach(),this._filterAttributesOf.push(this.position.parent),t.detach()}_mergeOnRight(){const e=this._lastNode;if(!(e instanceof zo))return;if(!this._canMergeRight(e))return;const t=mr._createAfter(e);if(t.stickiness="toNext",!this.position.isEqual(t))throw new a.Bb("insertcontent-invalid-insertion-position",this);this.position=Zo._createAt(t.nodeBefore,"end");const o=mr.fromPosition(this.position,"toPrevious");this._affectedEnd.isEqual(t)&&(this._affectedEnd.detach(),this._affectedEnd=mr._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=mr._createAt(t.nodeBefore,0,"toPrevious")),this.position=o.toPosition(),o.detach(),this._filterAttributesOf.push(this.position.parent),t.detach()}_canMergeLeft(e){const t=e.previousSibling;return t instanceof zo&&this.canMergeWith.has(t)&&this.model.schema.checkMerge(t,e)}_canMergeRight(e){const t=e.nextSibling;return t instanceof zo&&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 _n(e,t,o="auto"){const s=e.getSelectedElement();if(s&&t.schema.isObject(s)&&!t.schema.isInline(s))return"before"==o||"after"==o?t.createRange(t.createPositionAt(s,o)):t.createRangeOn(s);const i=(0,a.Ps)(e.getSelectedBlocks());if(!i)return t.createRange(e.focus);if(i.isEmpty)return t.createRange(t.createPositionAt(i,0));const r=t.createPositionAfter(i);return e.focus.isTouching(r)?t.createRange(r):t.createRange(t.createPositionBefore(i))}function kn(e,t,o,s={}){if(!e.schema.isObject(t))throw new a.Bb("insertobject-element-not-an-object",e,{object:t});const i=o||e.document.selection;let r=i;s.findOptimalPosition&&e.schema.isBlock(t)&&(r=e.createSelection(_n(i,e,s.findOptimalPosition)));const n=(0,a.Ps)(i.getSelectedBlocks()),c={};return n&&Object.assign(c,e.schema.getAttributesWithProperty(n,"copyOnReplace",!0)),e.change((o=>{r.isCollapsed||e.deleteContent(r,{doNotAutoparagraph:!0});let i=t;const n=r.anchor.parent;!e.schema.checkChild(n,t)&&e.schema.checkChild(n,"paragraph")&&e.schema.checkChild("paragraph",t)&&(i=o.createElement("paragraph"),o.insert(t,i)),e.schema.setAllowedAttributes(i,c,o);const l=e.insertContent(i,r);return l.isCollapsed||s.setSelection&&function(e,t,o,s){const i=e.model;if("on"==o)return void e.setSelection(t,"on");if("after"!=o)throw new a.Bb("insertobject-invalid-place-parameter-value",i);let r=t.nextSibling;if(i.schema.isInline(t))return void e.setSelection(t,"after");const n=r&&i.schema.checkChild(r,"$text");!n&&i.schema.checkChild(t.parent,"paragraph")&&(r=e.createElement("paragraph"),i.schema.setAllowedAttributes(r,s,e),i.insertContent(r,e.createPositionAfter(t)));r&&e.setSelection(r,0)}(o,t,s.setSelection,c),l}))}const wn=' ,.?!:;"-()';function vn(e,t){const{isForward:o,walker:s,unit:i,schema:r,treatEmojiAsSingleUnit:n}=e,{type:c,item:l,nextPosition:d}=t;if("text"==c)return"word"===e.unit?function(e,t){let o=e.position.textNode;o||(o=t?e.position.nodeAfter:e.position.nodeBefore);for(;o&&o.is("$text");){const s=e.position.offset-o.startOffset;if(Pn(o,s,t))o=t?e.position.nodeAfter:e.position.nodeBefore;else{if(xn(o.data,s,t))break;e.next()}}return e.position}(s,o):function(e,t,o){const s=e.position.textNode;if(s){const i=s.data;let r=e.position.offset-s.startOffset;for(;(0,a.to)(i,r)||"character"==t&&(0,a.pp)(i,r)||o&&(0,a.YK)(i,r);)e.next(),r=e.position.offset-s.startOffset}return e.position}(s,i,n);if(c==(o?"elementStart":"elementEnd")){if(r.isSelectable(l))return Zo._createAt(l,o?"after":"before");if(r.checkChild(d,"$text"))return d}else{if(r.isLimit(l))return void s.skip((()=>!0));if(r.checkChild(d,"$text"))return d}}function yn(e,t){const o=e.root,s=Zo._createAt(o,t?"end":0);return t?new Go(e,s):new Go(s,e)}function xn(e,t,o){const s=t+(o?0:-1);return wn.includes(e.charAt(s))}function Pn(e,t,o){return t===(o?e.offsetSize:0)}class Cn extends((0,a.Re)()){constructor(){super(),this.markers=new Qr,this.document=new $r(this),this.schema=new li,this._pendingChanges=[],this._currentWriter=null,["deleteContent","modifySelection","getSelectedContent","applyOperation"].forEach((e=>this.decorate(e))),this.on("applyOperation",((e,t)=>{t[0]._validate()}),{priority:"highest"}),this.schema.register("$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("$marker"===t.name)return!0})),ti(this),this.document.registerPostFixer(Ns),this.on("insertContent",((e,[t,o])=>{e.return=function(e,t,o){return e.change((s=>{const i=o||e.document.selection;i.isCollapsed||e.deleteContent(i,{doNotAutoparagraph:!0});const r=new bn(e,s,i.anchor),n=[];let a;if(t.is("documentFragment")){if(t.markers.size){const e=[];for(const[o,s]of t.markers){const{start:t,end:i}=s,r=t.isEqual(i);e.push({position:t,name:o,isCollapsed:r},{position:i,name:o,isCollapsed:r})}e.sort((({position:e},{position:t})=>e.isBefore(t)?1:-1));for(const{position:o,name:i,isCollapsed:r}of e){let e=null,a=null;const c=o.parent===t&&o.isAtStart,l=o.parent===t&&o.isAtEnd;c||l?r&&(a=c?"start":"end"):(e=s.createElement("$marker"),s.insert(e,o)),n.push({name:i,element:e,collapsed:a})}}a=t.getChildren()}else a=[t];r.handleNodes(a);let c=r.getSelectionRange();if(t.is("documentFragment")&&n.length){const e=c?bs.fromRange(c):null,t={};for(let e=n.length-1;e>=0;e--){const{name:o,element:i,collapsed:a}=n[e],c=!t[o];if(c&&(t[o]=[]),i){const e=s.createPositionAt(i,"before");t[o].push(e),s.remove(i)}else{const e=r.getAffectedRange();if(!e){a&&t[o].push(r.position);continue}a?t[o].push(e[a]):t[o].push(c?e.start:e.end)}}for(const[e,[o,i]]of Object.entries(t))o&&i&&o.root===i.root&&s.addMarker(e,{usingOperation:!0,affectsData:!0,range:new Go(o,i)});e&&(c=e.toRange(),e.detach())}c&&(i instanceof vs?s.setSelection(c):i.setTo(c));const l=r.getAffectedRange()||e.createRange(i.anchor);return r.destroy(),l}))}(this,t,o)})),this.on("insertObject",((e,[t,o,s])=>{e.return=kn(this,t,o,s)})),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 kr,callback:e}),this._runPendingChanges()[0]):e(this._currentWriter)}catch(e){a.Bb.rethrowUnexpectedError(e,this)}}enqueueChange(e,t){try{e?"function"==typeof e?(t=e,e=new kr):e instanceof kr||(e=new kr(e)):e=new kr,this._pendingChanges.push({batch:e,callback:t}),1==this._pendingChanges.length&&this._runPendingChanges()}catch(e){a.Bb.rethrowUnexpectedError(e,this)}}applyOperation(e){e._execute()}insertContent(e,t,o,...s){const i=Tn(t,o);return this.fire("insertContent",[e,i,o,...s])}insertObject(e,t,o,s,...i){const r=Tn(t,o);return this.fire("insertObject",[e,r,s,s,...i])}deleteContent(e,t){dn(this,e,t)}modifySelection(e,t){!function(e,t,o={}){const s=e.schema,i="backward"!=o.direction,r=o.unit?o.unit:"character",n=!!o.treatEmojiAsSingleUnit,a=t.focus,c=new Fo({boundaries:yn(a,i),singleCharacters:!0,direction:i?"forward":"backward"}),l={walker:c,schema:s,isForward:i,unit:r,treatEmojiAsSingleUnit:n};let d;for(;d=c.next();){if(d.done)return;const o=vn(l,d.value);if(o)return void(t instanceof vs?e.change((e=>{e.setSelectionFocus(o)})):t.setFocus(o))}}(this,e,t)}getSelectedContent(e){return function(e,t){return e.change((e=>{const o=e.createDocumentFragment(),s=t.getFirstRange();if(!s||s.isCollapsed)return o;const i=s.start.root,r=s.start.getCommonPath(s.end),n=i.getNodeByPath(r);let a;a=s.start.parent==s.end.parent?s:e.createRange(e.createPositionAt(n,s.start.path[r.length]),e.createPositionAt(n,s.end.path[r.length]+1));const c=a.end.offset-a.start.offset;for(const t of a.getItems({shallow:!0}))t.is("$textProxy")?e.appendText(t.data,t.getAttributes(),o):e.append(e.cloneElement(t,!0),o);if(a!=s){const t=s._getTransformedByMove(a.start,e.createPositionAt(o,0),c)[0],i=e.createRange(e.createPositionAt(o,0),t.start);mn(e.createRange(t.end,e.createPositionAt(o,"end")),e),mn(i,e)}return o}))}(this,e)}hasContent(e,t={}){const o=e instanceof Go?e:Go._createIn(e);if(o.isCollapsed)return!1;const{ignoreWhitespaces:s=!1,ignoreMarkers:i=!1}=t;if(!i)for(const e of this.markers.getMarkersIntersectingRange(o))if(e.affectsData)return!0;for(const e of o.getItems())if(this.schema.isContent(e)){if(!e.is("$textProxy"))return!0;if(!s)return!0;if(-1!==e.data.search(/\S/))return!0}return!1}canEditAt(e){const t=Tn(e);return this.fire("canEditAt",[t])}createPositionFromPath(e,t,o){return new Zo(e,t,o)}createPositionAt(e,t){return Zo._createAt(e,t)}createPositionAfter(e){return Zo._createAfter(e)}createPositionBefore(e){return Zo._createBefore(e)}createRange(e,t){return new Go(e,t)}createRangeIn(e){return Go._createIn(e)}createRangeOn(e){return Go._createOn(e)}createSelection(...e){return new ds(...e)}createBatch(e){return new kr(e)}createOperationFromJSON(e){return ir.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 sn(this,t);const 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h={text:d,selection:t.createSelection(l)};c&&(h.resultRange=e.editing.mapper.toModelRange(c)),e.execute("insertText",h),o.scrollToTheSelection()})),i.OB.isAndroid?this.listenTo(o.document,"keydown",((e,i)=>{!s.isCollapsed&&229==i.keyCode&&o.document.isComposing&&h(t,r)})):this.listenTo(o.document,"compositionstart",(()=>{s.isCollapsed||h(t,r)}))}}function h(e,t){if(!t.isEnabled)return;const o=t.buffer;o.lock(),e.enqueueChange(o.batch,(()=>{e.deleteContent(e.document.selection)})),o.unlock()}class u extends s.mY{constructor(e,t){super(e),this.direction=t,this._buffer=new r(e.model,e.config.get("typing.undoStep")),this._isEnabledBasedOnSelection=!1}get buffer(){return this._buffer}execute(e={}){const t=this.editor.model,o=t.document;t.enqueueChange(this._buffer.batch,(s=>{this._buffer.lock();const r=s.createSelection(e.selection||o.selection);if(!t.canEditAt(r))return;const n=e.sequence||1,a=r.isCollapsed;if(r.isCollapsed&&t.modifySelection(r,{direction:this.direction,unit:e.unit,treatEmojiAsSingleUnit:!0}),this._shouldEntireContentBeReplacedWithParagraph(n))return void this._replaceEntireContentWithParagraph(s);if(this._shouldReplaceFirstBlockWithParagraph(r,n))return void this.editor.execute("paragraph",{selection:r});if(r.isCollapsed)return;let c=0;r.getFirstRange().getMinimalFlatRanges().forEach((e=>{c+=(0,i.QX)(e.getWalker({singleCharacters:!0,ignoreElementEnd:!0,shallow:!0}))})),t.deleteContent(r,{doNotResetEntireContent:a,direction:this.direction}),this._buffer.input(c),s.setSelection(r),this._buffer.unlock()}))}_shouldEntireContentBeReplacedWithParagraph(e){if(e>1)return!1;const t=this.editor.model,o=t.document.selection,s=t.schema.getLimitElement(o);if(!(o.isCollapsed&&o.containsEntireContent(s)))return!1;if(!t.schema.checkChild(s,"paragraph"))return!1;const 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Jt}}customElements.define("hex-color-picker",class extends Yt{});var Xt=o("./node_modules/css-loader/dist/cjs.js!./node_modules/postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./packages/ckeditor5-ui/theme/components/colorpicker/colorpicker.css"),Qt={injectType:"singletonStyleTag",attributes:{"data-cke":!0},insert:"head",singleton:!0};h()(Xt.Z,Qt);Xt.Z.locals;class eo extends f{constructor(e,t={}){super(e),this.set({color:"",_hexColor:""}),this.hexInputRow=this._createInputRow();const o=this.createCollection();t.hideInput||o.add(this.hexInputRow),this.setTemplate({tag:"div",attributes:{class:["ck","ck-color-picker"],tabindex:-1},children:o}),this._config=t,this._debounceColorPickerEvent=(0,le.Z)((e=>{this.set("color",e),this.fire("colorSelected",{color:this.color})}),150,{leading:!0}),this.on("set:color",((e,t,o)=>{e.return=ae(o,this._config.format||"hsl")})),this.on("change:color",(()=>{this._hexColor=to(this.color)})),this.on("change:_hexColor",(()=>{document.activeElement!==this.picker&&this.picker.setAttribute("color",this._hexColor),to(this.color)!=to(this._hexColor)&&(this.color=this._hexColor)}))}render(){if(super.render(),this.picker=c.global.document.createElement("hex-color-picker"),this.picker.setAttribute("class","hex-color-picker"),this.picker.setAttribute("tabindex","-1"),this._createSlidersView(),this.element){this.hexInputRow.element?this.element.insertBefore(this.picker,this.hexInputRow.element):this.element.appendChild(this.picker);const e=document.createElement("style");e.textContent='[role="slider"]:focus [part$="pointer"] {border: 1px solid #fff;outline: 1px solid var(--ck-color-focus-border);box-shadow: 0 0 0 2px #fff;}',this.picker.shadowRoot.appendChild(e)}this.picker.addEventListener("color-changed",(e=>{const t=e.detail.value;this._debounceColorPickerEvent(t)}))}focus(){if(!this._config.hideInput&&(c.OB.isGecko||c.OB.isiOS||c.OB.isSafari)){this.hexInputRow.children.get(1).focus()}this.slidersView.first.focus()}_createSlidersView(){const e=[...this.picker.shadowRoot.children].filter((e=>"slider"===e.getAttribute("role"))).map((e=>new oo(e)));this.slidersView=this.createCollection(),e.forEach((e=>{this.slidersView.add(e)}))}_createInputRow(){const e=new so,t=this._createColorInput();return new io(this.locale,[e,t])}_createColorInput(){const e=new ge(this.locale,kt),{t}=this.locale;return e.set({label:t("HEX"),class:"color-picker-hex-input"}),e.fieldView.bind("value").to(this,"_hexColor",(t=>e.isFocused?e.fieldView.value:t.startsWith("#")?t.substring(1):t)),e.fieldView.on("input",(()=>{const t=e.fieldView.element.value;if(t){const e=t.trim(),o=e.startsWith("#")?e.substring(1):e;[3,4,6,8].includes(o.length)&&/(([0-9a-fA-F]{2}){3,4}|([0-9a-fA-F]){3,4})/.test(o)&&this._debounceColorPickerEvent("#"+o)}})),e}}function to(e){let t=function(e){if(!e)return"";const t=ce(e);return t?"hex"===t.space?t.hexValue:ae(e,"hex"):"#000"}(e);return t||(t="#000"),4===t.length&&(t="#"+[t[1],t[1],t[2],t[2],t[3],t[3]].join("")),t.toLowerCase()}class oo extends f{constructor(e){super(),this.element=e}focus(){this.element.focus()}}class so extends f{constructor(e){super(e),this.setTemplate({tag:"div",attributes:{class:["ck","ck-color-picker__hash-view"]},children:"#"})}}class io extends f{constructor(e,t){super(e),this.children=this.createCollection(t),this.setTemplate({tag:"div",attributes:{class:["ck","ck-color-picker__row"]},children:this.children})}}class ro extends((0,c.Re)(c.FE)){constructor(e){super(e),this.set("isEmpty",!0),this.on("change",(()=>{this.set("isEmpty",0===this.length)}))}add(e,t){return this.find((t=>t.color===e.color))?this:super.add(e,t)}hasColor(e){return!!this.find((t=>t.color===e))}}var no=o("./packages/ckeditor5-core/theme/icons/eraser.svg");const ao='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M10.209 18.717A8.5 8.5 0 1 1 18.686 9.6h-.008l.002.12a3 3 0 0 1-2.866 2.997h-.268l-.046-.002v.002h-4.791a2 2 0 1 0 0 4 1 1 0 1 1-.128 1.992 8.665 8.665 0 0 1-.372.008Zm-3.918-7.01a1.25 1.25 0 1 0-2.415-.648 1.25 1.25 0 0 0 2.415.647ZM5.723 8.18a1.25 1.25 0 1 0 .647-2.414 1.25 1.25 0 0 0-.647 2.414ZM9.76 6.155a1.25 1.25 0 1 0 .647-2.415 1.25 1.25 0 0 0-.647 2.415Zm4.028 1.759a1.25 1.25 0 1 0 .647-2.415 1.25 1.25 0 0 0-.647 2.415Z"/></svg>';class co extends f{constructor(e,{colors:t,columns:o,removeButtonLabel:s,documentColorsLabel:i,documentColorsCount:r,colorPickerLabel:n,focusTracker:a,focusables:c}){super(e);const l=this.bindTemplate;this.set("isVisible",!0),this.focusTracker=a,this.items=this.createCollection(),this.colorDefinitions=t,this.columns=o,this.documentColors=new ro,this.documentColorsCount=r,this._focusables=c,this._removeButtonLabel=s,this._colorPickerLabel=n,this._documentColorsLabel=i,this.setTemplate({tag:"div",attributes:{class:["ck-color-grids-fragment",l.if("isVisible","ck-hidden",(e=>!e))]},children:this.items}),this.removeColorButtonView=this._createRemoveColorButton(),this.items.add(this.removeColorButtonView)}updateDocumentColors(e,t){const o=e.document,s=this.documentColorsCount;this.documentColors.clear();for(const i of o.getRoots()){const o=e.createRangeIn(i);for(const e of o.getItems())if(e.is("$textProxy")&&e.hasAttribute(t)&&(this._addColorToDocumentColors(e.getAttribute(t)),this.documentColors.length>=s))return}}updateSelectedColors(){const e=this.documentColorsGrid,t=this.staticColorsGrid,o=this.selectedColor;t.selectedColor=o,e&&(e.selectedColor=o)}render(){if(super.render(),this.staticColorsGrid=this._createStaticColorsGrid(),this.items.add(this.staticColorsGrid),this.documentColorsCount){const e=b.bind(this.documentColors,this.documentColors),t=new ue(this.locale);t.text=this._documentColorsLabel,t.extendTemplate({attributes:{class:["ck","ck-color-grid__label",e.if("isEmpty","ck-hidden")]}}),this.items.add(t),this.documentColorsGrid=this._createDocumentColorsGrid(),this.items.add(this.documentColorsGrid)}this._createColorPickerButton(),this._addColorSelectorElementsToFocusTracker(),this.focus()}focus(){this.removeColorButtonView.focus()}destroy(){super.destroy()}addColorPickerButton(){this.colorPickerButtonView&&(this.items.add(this.colorPickerButtonView),this.focusTracker.add(this.colorPickerButtonView.element),this._focusables.add(this.colorPickerButtonView))}_addColorSelectorElementsToFocusTracker(){this.focusTracker.add(this.removeColorButtonView.element),this._focusables.add(this.removeColorButtonView),this.staticColorsGrid&&(this.focusTracker.add(this.staticColorsGrid.element),this._focusables.add(this.staticColorsGrid)),this.documentColorsGrid&&(this.focusTracker.add(this.documentColorsGrid.element),this._focusables.add(this.documentColorsGrid))}_createColorPickerButton(){this.colorPickerButtonView=new H,this.colorPickerButtonView.set({label:this._colorPickerLabel,withText:!0,icon:ao,class:"ck-color-selector__color-picker"}),this.colorPickerButtonView.on("execute",(()=>{this.fire("colorPicker:show")}))}_createRemoveColorButton(){const e=new H;return e.set({withText:!0,icon:no.Z,label:this._removeButtonLabel}),e.class="ck-color-selector__remove-color",e.on("execute",(()=>{this.fire("execute",{value:null,source:"removeColorButton"})})),e.render(),e}_createStaticColorsGrid(){const e=new oe(this.locale,{colorDefinitions:this.colorDefinitions,columns:this.columns});return e.on("execute",((e,t)=>{this.fire("execute",{value:t.value,source:"staticColorsGrid"})})),e}_createDocumentColorsGrid(){const e=b.bind(this.documentColors,this.documentColors),t=new oe(this.locale,{columns:this.columns});return t.extendTemplate({attributes:{class:e.if("isEmpty","ck-hidden")}}),t.items.bindTo(this.documentColors).using((e=>{const t=new Q;return t.set({color:e.color,hasBorder:e.options&&e.options.hasBorder}),e.label&&t.set({label:e.label,tooltip:!0}),t.on("execute",(()=>{this.fire("execute",{value:e.color,source:"documentColorsGrid"})})),t})),this.documentColors.on("change:isEmpty",((e,o,s)=>{s&&(t.selectedColor=null)})),t}_addColorToDocumentColors(e){const t=this.colorDefinitions.find((t=>t.color===e));t?this.documentColors.add(Object.assign({},t)):this.documentColors.add({color:e,label:e,options:{hasBorder:!1}})}}var lo=o("./packages/ckeditor5-core/theme/icons/check.svg"),ho=o("./packages/ckeditor5-core/theme/icons/cancel.svg"),uo=Object.defineProperty,po=Object.getOwnPropertySymbols,fo=Object.prototype.hasOwnProperty,go=Object.prototype.propertyIsEnumerable,mo=(e,t,o)=>t in e?uo(e,t,{enumerable:!0,configurable:!0,writable:!0,value:o}):e[t]=o;class bo extends f{constructor(e,{focusTracker:t,focusables:o,keystrokes:s,colorPickerViewConfig:i}){super(e),this.items=this.createCollection(),this.focusTracker=t,this.keystrokes=s,this.set("isVisible",!1),this.set("selectedColor",void 0),this._focusables=o,this._colorPickerViewConfig=i;const r=this.bindTemplate,{saveButtonView:n,cancelButtonView:a}=this._createActionButtons();this.saveButtonView=n,this.cancelButtonView=a,this.actionBarView=this._createActionBarView({saveButtonView:n,cancelButtonView:a}),this.setTemplate({tag:"div",attributes:{class:["ck-color-picker-fragment",r.if("isVisible","ck-hidden",(e=>!e))]},children:this.items})}render(){super.render();const e=new eo(this.locale,((e,t)=>{for(var o in t||(t={}))fo.call(t,o)&&mo(e,o,t[o]);if(po)for(var o of po(t))go.call(t,o)&&mo(e,o,t[o]);return e})({},this._colorPickerViewConfig));this.colorPickerView=e,this.colorPickerView.render(),this.selectedColor&&(e.color=this.selectedColor),this.listenTo(this,"change:selectedColor",((t,o,s)=>{e.color=s})),this.items.add(this.colorPickerView),this.items.add(this.actionBarView),this._addColorPickersElementsToFocusTracker(),this._stopPropagationOnArrowsKeys(),this._executeOnEnterPress(),this._executeUponColorChange()}destroy(){super.destroy()}focus(){this.colorPickerView.focus()}_executeOnEnterPress(){this.keystrokes.set("enter",(e=>{this.isVisible&&this.focusTracker.focusedElement!==this.cancelButtonView.element&&(this.fire("execute",{value:this.selectedColor}),e.stopPropagation(),e.preventDefault())}))}_stopPropagationOnArrowsKeys(){const e=e=>e.stopPropagation();this.keystrokes.set("arrowright",e),this.keystrokes.set("arrowleft",e),this.keystrokes.set("arrowup",e),this.keystrokes.set("arrowdown",e)}_addColorPickersElementsToFocusTracker(){for(const e of this.colorPickerView.slidersView)this.focusTracker.add(e.element),this._focusables.add(e);const e=this.colorPickerView.hexInputRow.children.get(1);e.element&&(this.focusTracker.add(e.element),this._focusables.add(e)),this.focusTracker.add(this.saveButtonView.element),this._focusables.add(this.saveButtonView),this.focusTracker.add(this.cancelButtonView.element),this._focusables.add(this.cancelButtonView)}_createActionBarView({saveButtonView:e,cancelButtonView:t}){const o=new f,s=this.createCollection();return s.add(e),s.add(t),o.setTemplate({tag:"div",attributes:{class:["ck","ck-color-selector_action-bar"]},children:s}),o}_createActionButtons(){const e=this.locale,t=e.t,o=new H(e),s=new H(e);return o.set({icon:lo.Z,class:"ck-button-save",type:"button",withText:!1,label:t("Accept")}),s.set({icon:ho.Z,class:"ck-button-cancel",type:"button",withText:!1,label:t("Cancel")}),o.on("execute",(()=>{this.fire("execute",{source:"colorPickerSaveButton",value:this.selectedColor})})),s.on("execute",(()=>{this.fire("colorPicker:cancel")})),{saveButtonView:o,cancelButtonView:s}}_executeUponColorChange(){this.colorPickerView.on("colorSelected",((e,t)=>{this.fire("execute",{value:t.color,source:"colorPicker"}),this.set("selectedColor",t.color)}))}}var _o=o("./node_modules/css-loader/dist/cjs.js!./node_modules/postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./packages/ckeditor5-ui/theme/components/colorselector/colorselector.css"),ko={injectType:"singletonStyleTag",attributes:{"data-cke":!0},insert:"head",singleton:!0};h()(_o.Z,ko);_o.Z.locals;class wo extends f{constructor(e,{colors:t,columns:o,removeButtonLabel:s,documentColorsLabel:i,documentColorsCount:r,colorPickerLabel:n,colorPickerViewConfig:a}){super(e),this.items=this.createCollection(),this.focusTracker=new c.Rh,this.keystrokes=new c.VD,this._focusables=new l,this._colorPickerViewConfig=a,this._focusCycler=new Me({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}}),this.colorGridsFragmentView=new co(e,{colors:t,columns:o,removeButtonLabel:s,documentColorsLabel:i,documentColorsCount:r,colorPickerLabel:n,focusTracker:this.focusTracker,focusables:this._focusables}),this.colorPickerFragmentView=new bo(e,{focusables:this._focusables,focusTracker:this.focusTracker,keystrokes:this.keystrokes,colorPickerViewConfig:a}),this.set("_isColorGridsFragmentVisible",!0),this.set("_isColorPickerFragmentVisible",!1),this.set("selectedColor",void 0),this.colorGridsFragmentView.bind("isVisible").to(this,"_isColorGridsFragmentVisible"),this.colorPickerFragmentView.bind("isVisible").to(this,"_isColorPickerFragmentVisible"),this.on("change:selectedColor",((e,t,o)=>{this.colorGridsFragmentView.set("selectedColor",o),this.colorPickerFragmentView.set("selectedColor",o)})),this.colorGridsFragmentView.on("change:selectedColor",((e,t,o)=>{this.set("selectedColor",o)})),this.colorPickerFragmentView.on("change:selectedColor",((e,t,o)=>{this.set("selectedColor",o)})),this.setTemplate({tag:"div",attributes:{class:["ck","ck-color-selector"]},children:this.items})}render(){super.render(),this.keystrokes.listenTo(this.element)}destroy(){super.destroy(),this.focusTracker.destroy(),this.keystrokes.destroy()}appendUI(){this._appendColorGridsFragment(),this._colorPickerViewConfig&&this._appendColorPickerFragment()}showColorPickerFragment(){this.colorPickerFragmentView.colorPickerView&&!this._isColorPickerFragmentVisible&&(this._isColorPickerFragmentVisible=!0,this.colorPickerFragmentView.focus(),this._isColorGridsFragmentVisible=!1)}showColorGridsFragment(){this._isColorGridsFragmentVisible||(this._isColorGridsFragmentVisible=!0,this.colorGridsFragmentView.focus(),this._isColorPickerFragmentVisible=!1)}focus(){this._focusCycler.focusFirst()}focusLast(){this._focusCycler.focusLast()}updateDocumentColors(e,t){this.colorGridsFragmentView.updateDocumentColors(e,t)}updateSelectedColors(){this.colorGridsFragmentView.updateSelectedColors()}_appendColorGridsFragment(){this.items.length||(this.items.add(this.colorGridsFragmentView),this.colorGridsFragmentView.delegate("execute").to(this),this.colorGridsFragmentView.delegate("colorPicker:show").to(this))}_appendColorPickerFragment(){2!==this.items.length&&(this.items.add(this.colorPickerFragmentView),this.colorGridsFragmentView.colorPickerButtonView&&this.colorGridsFragmentView.colorPickerButtonView.on("execute",(()=>{this.showColorPickerFragment()})),this.colorGridsFragmentView.addColorPickerButton(),this.colorPickerFragmentView.delegate("execute").to(this),this.colorPickerFragmentView.delegate("colorPicker:cancel").to(this))}}class vo{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(yo(e),{callback:t,originalName:e})}create(e){if(!this.has(e))throw new c.Bb("componentfactory-item-missing",this,{name:e});return this._components.get(yo(e)).callback(this.editor.locale)}has(e){return this._components.has(yo(e))}}function yo(e){return String(e).toLowerCase()}var xo=o("./node_modules/lodash-es/isElement.js"),Po=o("./node_modules/css-loader/dist/cjs.js!./node_modules/postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./packages/ckeditor5-ui/theme/components/panel/balloonpanel.css"),Co={injectType:"singletonStyleTag",attributes:{"data-cke":!0},insert:"head",singleton:!0};h()(Po.Z,Co);Po.Z.locals;var To=Object.defineProperty,Eo=Object.getOwnPropertySymbols,Ao=Object.prototype.hasOwnProperty,So=Object.prototype.propertyIsEnumerable,Oo=(e,t,o)=>t in 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t=Bo.defaultPositions,o=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:Mo,fitInViewport:!0},e),s=Bo._getOptimalPosition(o)||Vo,i=parseInt(s.left),r=parseInt(s.top),n=s.name,a=s.config||{},{withArrow:c=!0}=a;this.top=r,this.left=i,this.position=n,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 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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,o)=>{if(o<2)return"";const s=Array.from(this._idToStack.values()).indexOf(this._visibleStack)+1;return t("%0 of %1",[s,o])})),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 Ds(this.editor.locale,this.view);return 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b({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?Fs(this._contentPanelPlaceholder.getBoundingClientRect().width):null)),top:t.to("_stickyTopOffset",(e=>e?Fs(e):e)),bottom:t.to("_stickyBottomOffset",(e=>e?Fs(e):e)),marginLeft:t.to("_marginLeft")}},children:this.content}).render(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-sticky-panel"]},children:[this._contentPanelPlaceholder,this._contentPanel]})}render(){super.render(),this.checkIfShouldBeSticky(),this.listenTo(c.global.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 c.UL(this.limiterElement);let t=e.getVisible();if(t){const e=new c.UL(c.global.window);e.top+=this.viewportTopOffset,e.height-=this.viewportTopOffset,t=t.getIntersection(e)}if(t&&e.top<t.top){const o=t.top;if(o+this._contentPanelRect.height+this.limiterBottomOffset>t.bottom){const o=Math.max(e.bottom-t.bottom,0)+this.limiterBottomOffset;e.bottom-o>e.top+this._contentPanelRect.height?this._stickToBottomOfLimiter(o):this._unstick()}else this._contentPanelRect.height+this.limiterBottomOffset<e.height?this._stickToTopOfAncestors(o):this._unstick()}else 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c.UL(this.queryView.fieldView.element).width;const e=oi._getOptimalPosition({element:this.resultsView.element,target:this.queryView.element,fitInViewport:!0,positions:oi.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}};let si=oi;si.defaultResultsPositions=[e=>({top:e.bottom,left:e.left,name:"s"}),(e,t)=>({top:e.top-t.height,left:e.left,name:"n"})],si._getOptimalPosition=c.xZ;var ii=o("./packages/ckeditor5-ui/src/search/filteredview.ts"),ri=o.n(ii);const ni=function(e){return function(t){return null==e?void 0:e[t]}}({"&":"&","<":"<",">":">",'"':""","'":"'"});var ai=o("./node_modules/lodash-es/toString.js"),ci=/[&<>"']/g,li=RegExp(ci.source);const di=function(e){return(e=(0,ai.Z)(e))&&li.test(e)?e.replace(ci,ni):e};var hi=o("./node_modules/css-loader/dist/cjs.js!./node_modules/postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./packages/ckeditor5-ui/theme/components/highlightedtext/highlightedtext.css"),ui={injectType:"singletonStyleTag",attributes:{"data-cke":!0},insert:"head",singleton:!0};h()(hi.Z,ui);hi.Z.locals;class pi extends f{constructor(){super(),this.set("text",void 0),this.setTemplate({tag:"span",attributes:{class:["ck","ck-highlighted-text"]}}),this.on("render",(()=>{this.on("change:text",(()=>{this._updateInnerHTML(this.text)})),this._updateInnerHTML(this.text)}))}highlightText(e){this._updateInnerHTML(function(e,t){if(!t)return di(e);const o=[];let s=0,i=t.exec(e);for(;null!==i;){const r=i.index;r!==s&&o.push({text:e.substring(s,r),isMatch:!1}),o.push({text:i[0],isMatch:!0}),s=t.lastIndex,i=t.exec(e)}s!==e.length&&o.push({text:e.substring(s),isMatch:!1});return o.map((e=>(e.text=di(e.text),e))).map((e=>e.isMatch?`<mark>${e.text}</mark>`:e.text)).join("")}(this.text||"",e))}_updateInnerHTML(e){this.element.innerHTML=e||""}}var fi=o("./node_modules/css-loader/dist/cjs.js!./node_modules/postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./packages/ckeditor5-ui/theme/components/collapsible/collapsible.css"),gi={injectType:"singletonStyleTag",attributes:{"data-cke":!0},insert:"head",singleton:!0};h()(fi.Z,gi);fi.Z.locals;class mi extends f{constructor(e,t){super(e);const o=this.bindTemplate;this.set("isCollapsed",!1),this.set("label",""),this.buttonView=this._createButtonView(),this.children=this.createCollection(),this.set("_collapsibleAriaLabelUid",void 0),t&&this.children.addMany(t),this.setTemplate({tag:"div",attributes:{class:["ck","ck-collapsible",o.if("isCollapsed","ck-collapsible_collapsed")]},children:[this.buttonView,{tag:"div",attributes:{class:["ck","ck-collapsible__children"],role:"region",hidden:o.if("isCollapsed","hidden"),"aria-labelledby":o.to("_collapsibleAriaLabelUid")},children:this.children}]})}render(){super.render(),this._collapsibleAriaLabelUid=this.buttonView.labelView.element.id}focus(){this.buttonView.focus()}_createButtonView(){const e=new H(this.locale),t=e.bindTemplate;return e.set({withText:!0,icon:Re}),e.extendTemplate({attributes:{"aria-expanded":t.to("isOn",(e=>String(e)))}}),e.bind("label").to(this),e.bind("isOn").to(this,"isCollapsed",(e=>!e)),e.on("execute",(()=>{this.isCollapsed=!this.isCollapsed})),e}}var bi=o("./node_modules/css-loader/dist/cjs.js!./node_modules/postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./packages/ckeditor5-ui/theme/components/spinner/spinner.css"),_i={injectType:"singletonStyleTag",attributes:{"data-cke":!0},insert:"head",singleton:!0};h()(bi.Z,_i);bi.Z.locals;class ki extends f{constructor(){super(),this.set("isVisible",!1);const e=this.bindTemplate;this.setTemplate({tag:"span",attributes:{class:["ck","ck-spinner-container",e.if("isVisible","ck-hidden",(e=>!e))]},children:[{tag:"span",attributes:{class:["ck","ck-spinner"]}}]})}}const wi=(0,c.nn)("px");class vi extends $e.Sy{constructor(e){super(e),this._resizeObserver=null,this._balloonConfig=We(e.config.get("balloonToolbar")),this.toolbarView=this._createToolbarView(),this.focusTracker=new c.Rh,e.ui.once("ready",(()=>{this.focusTracker.add(e.ui.getEditableElement()),this.focusTracker.add(this.toolbarView.element)})),e.ui.addToolbar(this.toolbarView,{beforeFocus:()=>this.show(!0),afterBlur:()=>this.hide(),isContextual:!0}),this._balloon=e.plugins.get(Bs),this._fireSelectionChangeDebounced=(0,le.Z)((()=>this.fire("_selectionChangeDebounced")),200),this.decorate("show")}static get pluginName(){return"BalloonToolbar"}static get requires(){return[Bs]}init(){const e=this.editor,t=e.model.document.selection;this.listenTo(this.focusTracker,"change:isFocused",((e,t,o)=>{const s=this._balloon.visibleView===this.toolbarView;!o&&s?this.hide():o&&this.show()})),this.listenTo(t,"change:range",((e,o)=>{(o.directChange||t.isCollapsed)&&this.hide(),this._fireSelectionChangeDebounced()})),this.listenTo(this,"_selectionChangeDebounced",(()=>{this.editor.editing.view.document.isFocused&&this.show()})),this._balloonConfig.shouldNotGroupWhenFull||this.listenTo(e,"ready",(()=>{const t=e.ui.view.editable.element;this._resizeObserver=new c.do(t,(e=>{this.toolbarView.maxWidth=wi(.9*e.contentRect.width)}))})),this.listenTo(this.toolbarView,"groupedItemsUpdate",(()=>{this._updatePosition()}))}afterInit(){const e=this.editor.ui.componentFactory;this.toolbarView.fillFromConfig(this._balloonConfig,e)}_createToolbarView(){const e=this.editor.locale.t,t=!this._balloonConfig.shouldNotGroupWhenFull,o=new Ke(this.editor.locale,{shouldGroupWhenFull:t,isFloating:!0});return o.ariaLabel=e("Editor contextual toolbar"),o.render(),o}show(e=!1){const t=this.editor,o=t.model.document.selection,s=t.model.schema;this._balloon.hasView(this.toolbarView)||o.isCollapsed&&!e||function(e,t){if(1===e.rangeCount)return!1;return[...e.getRanges()].every((e=>{const o=e.getContainedElement();return o&&t.isSelectable(o)}))}(o,s)||Array.from(this.toolbarView.items).every((e=>void 0!==e.isEnabled&&!e.isEnabled))||(this.listenTo(this.editor.ui,"update",(()=>{this._updatePosition()})),this._balloon.add({view:this.toolbarView,position:this._getBalloonPositionData(),balloonClassName:"ck-toolbar-container"}))}hide(){this._balloon.hasView(this.toolbarView)&&(this.stopListening(this.editor.ui,"update"),this._balloon.remove(this.toolbarView))}_getBalloonPositionData(){const e=this.editor.editing.view,t=e.document,o=t.selection,s=t.selection.isBackward;return{target:()=>{const t=s?o.getFirstRange():o.getLastRange(),i=c.UL.getDomRangeRects(e.domConverter.viewRangeToDom(t));return s?i[0]:(i.length>1&&0===i[i.length-1].width&&i.pop(),i[i.length-1])},positions:this._getBalloonPositions(s)}}_updatePosition(){this._balloon.updatePosition(this._getBalloonPositionData())}destroy(){super.destroy(),this.stopListening(),this._fireSelectionChangeDebounced.cancel(),this.toolbarView.destroy(),this.focusTracker.destroy(),this._resizeObserver&&this._resizeObserver.destroy()}_getBalloonPositions(e){const t=c.OB.isSafari&&c.OB.isiOS?No({heightOffset:Math.max(Io.arrowHeightOffset,Math.round(20/c.global.window.visualViewport.scale))}):Io.defaultPositions;return e?[t.northWestArrowSouth,t.northWestArrowSouthWest,t.northWestArrowSouthEast,t.northWestArrowSouthMiddleEast,t.northWestArrowSouthMiddleWest,t.southWestArrowNorth,t.southWestArrowNorthWest,t.southWestArrowNorthEast,t.southWestArrowNorthMiddleWest,t.southWestArrowNorthMiddleEast]:[t.southEastArrowNorth,t.southEastArrowNorthEast,t.southEastArrowNorthWest,t.southEastArrowNorthMiddleEast,t.southEastArrowNorthMiddleWest,t.northEastArrowSouth,t.northEastArrowSouthEast,t.northEastArrowSouthWest,t.northEastArrowSouthMiddleEast,t.northEastArrowSouthMiddleWest]}}var yi=o("./node_modules/css-loader/dist/cjs.js!./node_modules/postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./packages/ckeditor5-ui/theme/components/toolbar/blocktoolbar.css"),xi={injectType:"singletonStyleTag",attributes:{"data-cke":!0},insert:"head",singleton:!0};h()(yi.Z,xi);yi.Z.locals;const Pi=(0,c.nn)("px");class Ci extends H{constructor(e){super(e);const t=this.bindTemplate;this.isVisible=!1,this.isToggleable=!0,this.set("top",0),this.set("left",0),this.extendTemplate({attributes:{class:"ck-block-toolbar-button",style:{top:t.to("top",(e=>Pi(e))),left:t.to("left",(e=>Pi(e)))}}})}}const Ti=(0,c.nn)("px");class Ei extends $e.Sy{constructor(e){super(e),this._resizeObserver=null,this._blockToolbarConfig=We(this.editor.config.get("blockToolbar")),this.toolbarView=this._createToolbarView(),this.panelView=this._createPanelView(),this.buttonView=this._createButtonView(),s({emitter:this.panelView,contextElements:[this.panelView.element,this.buttonView.element],activator:()=>this.panelView.isVisible,callback:()=>this._hidePanel()})}static get pluginName(){return"BlockToolbar"}init(){const e=this.editor,t=e.t,o=t("Click to edit block"),s=t("Drag to move"),i=t("Edit block"),r=e.plugins.has("DragDropBlockToolbar"),n=r?`${o}\n${s}`:i;this.buttonView.label=n,r&&(this.buttonView.element.dataset.ckeTooltipClass="ck-tooltip_multi-line"),this.listenTo(e.model.document.selection,"change:range",((e,t)=>{t.directChange&&this._hidePanel()})),this.listenTo(e.ui,"update",(()=>this._updateButton())),this.listenTo(e,"change:isReadOnly",(()=>this._updateButton()),{priority:"low"}),this.listenTo(e.ui.focusTracker,"change:isFocused",(()=>this._updateButton())),this.listenTo(this.buttonView,"change:isVisible",((e,t,o)=>{o?this.buttonView.listenTo(window,"resize",(()=>this._updateButton())):(this.buttonView.stopListening(window,"resize"),this._hidePanel())})),e.ui.addToolbar(this.toolbarView,{beforeFocus:()=>this._showPanel(),afterBlur:()=>this._hidePanel()})}afterInit(){this.toolbarView.fillFromConfig(this._blockToolbarConfig,this.editor.ui.componentFactory);for(const e of this.toolbarView.items)e.on("execute",(()=>this._hidePanel(!0)),{priority:"high"})}destroy(){super.destroy(),this.panelView.destroy(),this.buttonView.destroy(),this.toolbarView.destroy(),this._resizeObserver&&this._resizeObserver.destroy()}_createToolbarView(){const e=this.editor.locale.t,t=!this._blockToolbarConfig.shouldNotGroupWhenFull,o=new Ke(this.editor.locale,{shouldGroupWhenFull:t,isFloating:!0});return o.ariaLabel=e("Editor block content toolbar"),o}_createPanelView(){const e=this.editor,t=new Io(e.locale);return t.content.add(this.toolbarView),t.class="ck-toolbar-container",e.ui.view.body.add(t),e.ui.focusTracker.add(t.element),this.toolbarView.keystrokes.set("Esc",((e,t)=>{this._hidePanel(!0),t()})),t}_createButtonView(){const e=this.editor,t=e.t,o=new Ci(e.locale),s=this._blockToolbarConfig.icon,i=Ge[s]||s||Ge.dragIndicator;return o.set({label:t("Edit block"),icon:i,withText:!1}),o.bind("isOn").to(this.panelView,"isVisible"),o.bind("tooltip").to(this.panelView,"isVisible",(e=>!e)),this.listenTo(o,"execute",(()=>{this.panelView.isVisible?this._hidePanel(!0):this._showPanel()})),e.ui.view.body.add(o),e.ui.focusTracker.add(o.element),o}_updateButton(){const e=this.editor,t=e.model,o=e.editing.view;if(!e.ui.focusTracker.isFocused)return void this._hideButton();if(!e.model.canEditAt(e.model.document.selection))return void this._hideButton();const s=Array.from(t.document.selection.getSelectedBlocks())[0];if(!s||Array.from(this.toolbarView.items).every((e=>!e.isEnabled)))return void this._hideButton();const i=o.domConverter.mapViewToDom(e.editing.mapper.toViewElement(s));this.buttonView.isVisible=!0,this._setupToolbarResize(),this._attachButtonToElement(i),this.panelView.isVisible&&this._showPanel()}_hideButton(){this.buttonView.isVisible=!1}_showPanel(){if(!this.buttonView.isVisible)return;const e=this.panelView.isVisible;this.panelView.show();const t=this._getSelectedEditableElement();this.toolbarView.maxWidth=this._getToolbarMaxWidth(t),this.panelView.pin({target:this.buttonView.element,limiter:t}),e||this.toolbarView.items.get(0).focus()}_getSelectedEditableElement(){const e=this.editor.model.document.selection.getFirstRange().root.rootName;return this.editor.ui.getEditableElement(e)}_hidePanel(e){this.panelView.isVisible=!1,e&&this.editor.editing.view.focus()}_attachButtonToElement(e){const t=window.getComputedStyle(e),o=new c.UL(this._getSelectedEditableElement()),s=parseInt(t.paddingTop,10),i=parseInt(t.lineHeight,10)||1.2*parseInt(t.fontSize,10),r=new c.UL(this.buttonView.element),n=new c.UL(e);let a;a="ltr"===this.editor.locale.uiLanguageDirection?o.left-r.width:o.right;const l=n.top+s+(i-r.height)/2;r.moveTo(a,l);const d=r.toAbsoluteRect();this.buttonView.top=d.top,this.buttonView.left=d.left}_setupToolbarResize(){const 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e.setSelection(o)})),o.stop(),s.preventDefault(),s.stopPropagation())}}}function z(e,t,o){const s=e.schema,i=e.createRangeIn(t.root),r="forward"==o?"elementStart":"elementEnd";for(const{previousPosition:e,item:n,type:a}of i.getWalker({startPosition:t,direction:o})){if(s.isLimit(n)&&!s.isInline(n))return e;if(a==r&&s.isBlock(n))return null}return null}function F(e,t,o){const s="backward"==o?t.end:t.start;if(e.checkChild(s,"$text"))return s;for(const{nextPosition:s}of t.getWalker({direction:o}))if(e.checkChild(s,"$text"))return s;return null}var L=o("./node_modules/css-loader/dist/cjs.js!./node_modules/postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./packages/ckeditor5-widget/theme/widget.css"),Z={injectType:"singletonStyleTag",attributes:{"data-cke":!0},insert:"head",singleton:!0};R()(L.Z,Z);L.Z.locals;class W extends s.Sy{constructor(){super(...arguments),this._previouslySelected=new Set}static get pluginName(){return"Widget"}static get requires(){return[D,r.HG]}init(){const e=this.editor,t=e.editing.view,o=t.document;this.editor.editing.downcastDispatcher.on("selection",((t,o,s)=>{const i=s.writer,r=o.selection;if(r.isCollapsed)return;const n=r.getSelectedElement();if(!n)return;const a=e.editing.mapper.toViewElement(n);m(a)&&s.consumable.consume(r,"selection")&&i.setSelection(i.createRangeOn(a),{fake:!0,label:y(a)})})),this.editor.editing.downcastDispatcher.on("selection",((e,t,o)=>{this._clearPreviouslySelectedWidgets(o.writer);const s=o.writer,i=s.document.selection;let r=null;for(const e of i.getRanges())for(const t of e){const e=t.item;m(e)&&!$(e,r)&&(s.addClass(g,e),this._previouslySelected.add(e),r=e)}}),{priority:"low"}),t.addObserver(i.dM),this.listenTo(o,"mousedown",((...e)=>this._onMousedown(...e))),this.listenTo(o,"arrowKey",((...e)=>{this._handleSelectionChangeOnArrowKeyPress(...e)}),{context:[m,"$text"]}),this.listenTo(o,"arrowKey",((...e)=>{this._preventDefaultOnArrowKeyPress(...e)}),{context:"$root"}),this.listenTo(o,"arrowKey",N(this.editor.editing),{context:"$text"}),this.listenTo(o,"delete",((e,t)=>{this._handleDelete("forward"==t.direction)&&(t.preventDefault(),e.stop())}),{context:"$root"})}_onMousedown(e,t){const o=this.editor,s=o.editing.view,i=s.document;let r=t.target;if(t.domEvent.detail>=3)return void(this._selectBlockContent(r)&&t.preventDefault());if(function(e){let t=e;for(;t;){if(t.is("editableElement")&&!t.is("rootElement"))return!0;if(m(t))return!1;t=t.parent}return!1}(r))return;if(!m(r)&&(r=r.findAncestor(m),!r))return;n.OB.isAndroid&&t.preventDefault(),i.isFocused||s.focus();const a=o.editing.mapper.toModelElement(r);this._setSelectionOverElement(a)}_selectBlockContent(e){const t=this.editor,o=t.model,s=t.editing.mapper,r=o.schema,n=s.findMappedViewAncestor(this.editor.editing.view.createPositionAt(e,0)),a=function(e,t){for(const o of e.getAncestors({includeSelf:!0,parentFirst:!0})){if(t.checkChild(o,"$text"))return o;if(t.isLimit(o)&&!t.isObject(o))break}return null}(s.toModelElement(n),o.schema);return!!a&&(o.change((e=>{const t=r.isLimit(a)?null:function(e,t){const o=new i.Po({startPosition:e});for(const{item:e}of o){if(t.isLimit(e)||!e.is("element"))return null;if(t.checkChild(e,"$text"))return e}return null}(e.createPositionAfter(a),r),o=e.createPositionAt(a,0),s=t?e.createPositionAt(t,0):e.createPositionAt(a,"end");e.setSelection(e.createRange(o,s))})),!0)}_handleSelectionChangeOnArrowKeyPress(e,t){const o=t.keyCode,s=this.editor.model,i=s.schema,r=s.document.selection,a=r.getSelectedElement(),c=(0,n.mA)(o,this.editor.locale.contentLanguageDirection),l="down"==c||"right"==c,d="up"==c||"down"==c;if(a&&i.isObject(a)){const o=l?r.getLastPosition():r.getFirstPosition(),n=i.getNearestSelectionRange(o,l?"forward":"backward");return void(n&&(s.change((e=>{e.setSelection(n)})),t.preventDefault(),e.stop()))}if(!r.isCollapsed&&!t.shiftKey){const o=r.getFirstPosition(),n=r.getLastPosition(),a=o.nodeAfter,c=n.nodeBefore;return void((a&&i.isObject(a)||c&&i.isObject(c))&&(s.change((e=>{e.setSelection(l?n:o)})),t.preventDefault(),e.stop()))}if(!r.isCollapsed)return;const h=this._getObjectElementNextToSelection(l);if(h&&i.isObject(h)){if(i.isInline(h)&&d)return;this._setSelectionOverElement(h),t.preventDefault(),e.stop()}}_preventDefaultOnArrowKeyPress(e,t){const o=this.editor.model,s=o.schema,i=o.document.selection.getSelectedElement();i&&s.isObject(i)&&(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 o=this._getObjectElementNextToSelection(e);return o?(this.editor.model.change((e=>{let s=t.anchor.parent;for(;s.isEmpty;){const t=s;s=t.parent,e.remove(t)}this._setSelectionOverElement(o)})),!0):void 0}_setSelectionOverElement(e){this.editor.model.change((t=>{t.setSelection(t.createRangeOn(e))}))}_getObjectElementNextToSelection(e){const t=this.editor.model,o=t.schema,s=t.document.selection,i=t.createSelection(s);if(t.modifySelection(i,{direction:e?"forward":"backward"}),i.isEqual(s))return null;const r=e?i.focus.nodeBefore:i.focus.nodeAfter;return r&&o.isObject(r)?r:null}_clearPreviouslySelectedWidgets(e){for(const t of this._previouslySelected)e.removeClass(g,t);this._previouslySelected.clear()}}function $(e,t){return!!t&&Array.from(e.getAncestors()).includes(t)}class q extends s.Sy{constructor(){super(...arguments),this._toolbarDefinitions=new Map}static get requires(){return[a.WB]}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||!m(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:o,getRelatedElement:s,balloonClassName:i="ck-toolbar-container"}){if(!o.length)return void(0,n.KE)("widget-toolbar-no-items",{toolbarId:e});const r=this.editor,c=r.t,l=new a.jB(r.locale);if(l.ariaLabel=t||c("Widget toolbar"),this._toolbarDefinitions.has(e))throw new n.Bb("widget-toolbar-duplicated",this,{toolbarId:e});const d={view:l,getRelatedElement:s,balloonClassName:i,itemsConfig:o,initialized:!1};r.ui.addToolbar(l,{isContextual:!0,beforeFocus:()=>{const e=s(r.editing.view.document.selection);e&&this._showToolbar(d,e)},afterBlur:()=>{this._hideToolbar(d)}}),this._toolbarDefinitions.set(e,d)}_updateToolbarsVisibility(){let e=0,t=null,o=null;for(const s of this._toolbarDefinitions.values()){const i=s.getRelatedElement(this.editor.editing.view.document.selection);if(this.isEnabled&&i)if(this.editor.ui.focusTracker.isFocused){const r=i.getAncestors().length;r>e&&(e=r,t=i,o=s)}else this._isToolbarVisible(s)&&this._hideToolbar(s);else this._isToolbarInBalloon(s)&&this._hideToolbar(s)}o&&this._showToolbar(o,t)}_hideToolbar(e){this._balloon.remove(e.view),this.stopListening(this._balloon,"change:visibleView")}_showToolbar(e,t){this._isToolbarVisible(e)?H(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:U(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);H(this.editor,t)}})))}_isToolbarVisible(e){return this._balloon.visibleView===e.view}_isToolbarInBalloon(e){return this._balloon.hasView(e.view)}}function H(e,t){const o=e.plugins.get("ContextualBalloon"),s=U(e,t);o.updatePosition(s)}function U(e,t){const o=e.editing.view,s=a.no.defaultPositions;return{target:o.domConverter.mapViewToDom(t),positions:[s.northArrowSouth,s.northArrowSouthWest,s.northArrowSouthEast,s.southArrowNorth,s.southArrowNorthWest,s.southArrowNorthEast,s.viewportStickyNorth]}}class G extends((0,n.Re)()){constructor(e){super(),this.set("activeHandlePosition",null),this.set("proposedWidthPercents",null),this.set("proposedWidth",null),this.set("proposedHeight",null),this.set("proposedHandleHostWidth",null),this.set("proposedHandleHostHeight",null),this._options=e,this._referenceCoordinates=null}get originalWidth(){return this._originalWidth}get originalHeight(){return this._originalHeight}get originalWidthPercents(){return this._originalWidthPercents}get aspectRatio(){return this._aspectRatio}begin(e,t,o){const s=new n.UL(t);this.activeHandlePosition=function(e){const t=["top-left","top-right","bottom-right","bottom-left"];for(const o of t)if(e.classList.contains(K(o)))return o}(e),this._referenceCoordinates=function(e,t){const o=new n.UL(e),s=t.split("-"),i={x:"right"==s[1]?o.right:o.left,y:"bottom"==s[0]?o.bottom:o.top};return i.x+=e.ownerDocument.defaultView.scrollX,i.y+=e.ownerDocument.defaultView.scrollY,i}(t,function(e){const t=e.split("-"),o={top:"bottom",bottom:"top",left:"right",right:"left"};return`${o[t[0]]}-${o[t[1]]}`}(this.activeHandlePosition)),this._originalWidth=s.width,this._originalHeight=s.height,this._aspectRatio=s.width/s.height;const i=o.style.width;i&&i.match(/^\d+(\.\d*)?%$/)?this._originalWidthPercents=parseFloat(i):this._originalWidthPercents=function(e,t){const o=e.parentElement;let s=parseFloat(o.ownerDocument.defaultView.getComputedStyle(o).width);const i=5;let r=0,n=o;for(;isNaN(s);){if(n=n.parentElement,++r>i)return 0;s=parseFloat(o.ownerDocument.defaultView.getComputedStyle(n).width)}return t.width/s*100}(o,s)}update(e){this.proposedWidth=e.width,this.proposedHeight=e.height,this.proposedWidthPercents=e.widthPercents,this.proposedHandleHostWidth=e.handleHostWidth,this.proposedHandleHostHeight=e.handleHostHeight}}function K(e){return`ck-widget__resizer__handle-${e}`}class J extends a.G7{constructor(){super();const e=this.bindTemplate;this.setTemplate({tag:"div",attributes:{class:["ck","ck-size-view",e.to("_viewPosition",(e=>e?`ck-orientation-${e}`:""))],style:{display:e.if("_isVisible","none",(e=>!e))}},children:[{text:e.to("_label")}]})}_bindToState(e,t){this.bind("_isVisible").to(t,"proposedWidth",t,"proposedHeight",((e,t)=>null!==e&&null!==t)),this.bind("_label").to(t,"proposedHandleHostWidth",t,"proposedHandleHostHeight",t,"proposedWidthPercents",((t,o,s)=>"px"===e.unit?`${t}×${o}`:`${s}%`)),this.bind("_viewPosition").to(t,"activeHandlePosition",t,"proposedHandleHostWidth",t,"proposedHandleHostHeight",((e,t,o)=>t<50||o<50?"above-center":e))}_dismiss(){this.unbind(),this._isVisible=!1}}var Y=Object.defineProperty,X=Object.defineProperties,Q=Object.getOwnPropertyDescriptors,ee=Object.getOwnPropertySymbols,te=Object.prototype.hasOwnProperty,oe=Object.prototype.propertyIsEnumerable,se=(e,t,o)=>t in e?Y(e,t,{enumerable:!0,configurable:!0,writable:!0,value:o}):e[t]=o;class ie extends((0,n.Re)()){constructor(e){super(),this._viewResizerWrapper=null,this._options=e,this.set("isEnabled",!0),this.set("isSelected",!1),this.bind("isVisible").to(this,"isEnabled",this,"isSelected",((e,t)=>e&&t)),this.decorate("begin"),this.decorate("cancel"),this.decorate("commit"),this.decorate("updateSize"),this.on("commit",(e=>{this.state.proposedWidth||this.state.proposedWidthPercents||(this._cleanup(),e.stop())}),{priority:"high"})}get state(){return this._state}show(){this._options.editor.editing.view.change((e=>{e.removeClass("ck-hidden",this._viewResizerWrapper)}))}hide(){this._options.editor.editing.view.change((e=>{e.addClass("ck-hidden",this._viewResizerWrapper)}))}attach(){const e=this,t=this._options.viewElement;this._options.editor.editing.view.change((o=>{const s=o.createUIElement("div",{class:"ck ck-reset_all ck-widget__resizer"},(function(t){const o=this.toDomElement(t);return e._appendHandles(o),e._appendSizeUI(o),o}));o.insert(o.createPositionAt(t,"end"),s),o.addClass("ck-widget_with-resizer",t),this._viewResizerWrapper=s,this.isVisible||this.hide()})),this.on("change:isVisible",(()=>{this.isVisible?(this.show(),this.redraw()):this.hide()}))}begin(e){this._state=new G(this._options),this._sizeView._bindToState(this._options,this.state),this._initialViewWidth=this._options.viewElement.getStyle("width"),this.state.begin(e,this._getHandleHost(),this._getResizeHost())}updateSize(e){const t=this._proposeNewSize(e);this._options.editor.editing.view.change((e=>{const o=this._options.unit||"%",s=("%"===o?t.widthPercents:t.width)+o;e.setStyle("width",s,this._options.viewElement)}));const o=this._getHandleHost(),s=new n.UL(o),i=Math.round(s.width),r=Math.round(s.height),a=new n.UL(o);var c;t.width=Math.round(a.width),t.height=Math.round(a.height),this.redraw(s),this.state.update((c=((e,t)=>{for(var o in t||(t={}))te.call(t,o)&&se(e,o,t[o]);if(ee)for(var o of ee(t))oe.call(t,o)&&se(e,o,t[o]);return e})({},t),X(c,Q({handleHostWidth:i,handleHostHeight:r}))))}commit(){const e=this._options.unit||"%",t=("%"===e?this.state.proposedWidthPercents:this.state.proposedWidth)+e;this._options.editor.editing.view.change((()=>{this._cleanup(),this._options.onCommit(t)}))}cancel(){this._cleanup()}destroy(){this.cancel()}redraw(e){const t=this._domResizerWrapper;if(!((o=t)&&o.ownerDocument&&o.ownerDocument.contains(o)))return;var o;const s=t.parentElement,i=this._getHandleHost(),r=this._viewResizerWrapper,a=[r.getStyle("width"),r.getStyle("height"),r.getStyle("left"),r.getStyle("top")];let c;if(s.isSameNode(i)){const t=e||new n.UL(i);c=[t.width+"px",t.height+"px",void 0,void 0]}else c=[i.offsetWidth+"px",i.offsetHeight+"px",i.offsetLeft+"px",i.offsetTop+"px"];"same"!==(0,n.Rt)(a,c)&&this._options.editor.editing.view.change((e=>{e.setStyle({width:c[0],height:c[1],left:c[2],top:c[3]},r)}))}containsHandle(e){return this._domResizerWrapper.contains(e)}static isResizeHandle(e){return e.classList.contains("ck-widget__resizer__handle")}_cleanup(){this._sizeView._dismiss();this._options.editor.editing.view.change((e=>{e.setStyle("width",this._initialViewWidth,this._options.viewElement)}))}_proposeNewSize(e){const t=this.state,o={x:(s=e).pageX,y:s.pageY};var s;const i=!this._options.isCentered||this._options.isCentered(this),r={x:t._referenceCoordinates.x-(o.x+t.originalWidth),y:o.y-t.originalHeight-t._referenceCoordinates.y};i&&t.activeHandlePosition.endsWith("-right")&&(r.x=o.x-(t._referenceCoordinates.x+t.originalWidth)),i&&(r.x*=2);let n=Math.abs(t.originalWidth+r.x),a=Math.abs(t.originalHeight+r.y);return"width"==(n/t.aspectRatio>a?"width":"height")?a=n/t.aspectRatio:n=a*t.aspectRatio,{width:Math.round(n),height:Math.round(a),widthPercents:Math.min(Math.round(t.originalWidthPercents/t.originalWidth*n*100)/100,100)}}_getResizeHost(){const e=this._domResizerWrapper.parentElement;return this._options.getResizeHost(e)}_getHandleHost(){const e=this._domResizerWrapper.parentElement;return this._options.getHandleHost(e)}get _domResizerWrapper(){return this._options.editor.editing.view.domConverter.mapViewToDom(this._viewResizerWrapper)}_appendHandles(e){const t=["top-left","top-right","bottom-right","bottom-left"];for(const s of t)e.appendChild(new a.YS({tag:"div",attributes:{class:"ck-widget__resizer__handle "+(o=s,`ck-widget__resizer__handle-${o}`)}}).render());var o}_appendSizeUI(e){this._sizeView=new J,this._sizeView.render(),e.appendChild(this._sizeView.element)}}var re=o("./node_modules/lodash-es/throttle.js"),ne=o("./node_modules/css-loader/dist/cjs.js!./node_modules/postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./packages/ckeditor5-widget/theme/widgetresize.css"),ae={injectType:"singletonStyleTag",attributes:{"data-cke":!0},insert:"head",singleton:!0};R()(ne.Z,ae);ne.Z.locals;class ce extends s.Sy{constructor(){super(...arguments),this._resizers=new Map}static get pluginName(){return"WidgetResize"}init(){const e=this.editor.editing,t=n.global.window.document;this.set("selectedResizer",null),this.set("_activeResizer",null),e.view.addObserver(i.dM),this._observer=new((0,n.Xu)()),this.listenTo(e.view.document,"mousedown",this._mouseDownListener.bind(this),{priority:"high"}),this._observer.listenTo(t,"mousemove",this._mouseMoveListener.bind(this)),this._observer.listenTo(t,"mouseup",this._mouseUpListener.bind(this)),this._redrawSelectedResizerThrottled=(0,re.Z)((()=>this.redrawSelectedResizer()),200),this.editor.ui.on("update",this._redrawSelectedResizerThrottled),this.editor.model.document.on("change",(()=>{for(const[e,t]of this._resizers)e.isAttached()||(this._resizers.delete(e),t.destroy())}),{priority:"lowest"}),this._observer.listenTo(n.global.window,"resize",this._redrawSelectedResizerThrottled);const o=this.editor.editing.view.document.selection;o.on("change",(()=>{const e=o.getSelectedElement(),t=this.getResizerByViewElement(e)||null;t?this.select(t):this.deselect()}))}redrawSelectedResizer(){this.selectedResizer&&this.selectedResizer.isVisible&&this.selectedResizer.redraw()}destroy(){super.destroy(),this._observer.stopListening();for(const e of this._resizers.values())e.destroy();this._redrawSelectedResizerThrottled.cancel()}select(e){this.deselect(),this.selectedResizer=e,this.selectedResizer.isSelected=!0}deselect(){this.selectedResizer&&(this.selectedResizer.isSelected=!1),this.selectedResizer=null}attachTo(e){const t=new ie(e),o=this.editor.plugins;if(t.attach(),o.has("WidgetToolbarRepository")){const e=o.get("WidgetToolbarRepository");t.on("begin",(()=>{e.forceDisabled("resize")}),{priority:"lowest"}),t.on("cancel",(()=>{e.clearForceDisabled("resize")}),{priority:"highest"}),t.on("commit",(()=>{e.clearForceDisabled("resize")}),{priority:"highest"})}this._resizers.set(e.viewElement,t);const s=this.editor.editing.view.document.selection.getSelectedElement();return this.getResizerByViewElement(s)==t&&this.select(t),t}getResizerByViewElement(e){return this._resizers.get(e)}_getResizerByHandle(e){for(const t of this._resizers.values())if(t.containsHandle(e))return t}_mouseDownListener(e,t){const o=t.domTarget;ie.isResizeHandle(o)&&(this._activeResizer=this._getResizerByHandle(o)||null,this._activeResizer&&(this._activeResizer.begin(o),e.stop(),t.preventDefault()))}_mouseMoveListener(e,t){this._activeResizer&&this._activeResizer.updateSize(t)}_mouseUpListener(){this._activeResizer&&(this._activeResizer.commit(),this._activeResizer=null)}}},"./packages/ckeditor5-core/theme/icons/cancel.svg":(e,t,o)=>{"use strict";o.d(t,{Z:()=>s});const s='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="m11.591 10.177 4.243 4.242a1 1 0 0 1-1.415 1.415l-4.242-4.243-4.243 4.243a1 1 0 0 1-1.414-1.415l4.243-4.242L4.52 5.934A1 1 0 0 1 5.934 4.52l4.243 4.243 4.242-4.243a1 1 0 1 1 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i=e.data.toView(s.content);o.fire("clipboardOutput",{dataTransfer:s.dataTransfer,content:i,method:s.method})}),{priority:"low"}),this.listenTo(o,"clipboardOutput",((o,s)=>{s.content.isEmpty||(s.dataTransfer.setData("text/html",this.editor.data.htmlProcessor.toData(s.content)),s.dataTransfer.setData("text/plain",l(s.content))),"cut"==s.method&&e.model.deleteContent(t.selection)}),{priority:"low"})}}var u=o("./packages/ckeditor5-widget/src/index.ts"),p=o("./packages/ckeditor5-ui/src/index.ts");const f=(0,i.nn)("px");class g extends p.G7{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=>f(e))),top:e.to("top",(e=>f(e))),width:e.to("width",(e=>f(e)))}}})}}var m=o("./node_modules/lodash-es/throttle.js");class b extends s.Sy{constructor(){super(...arguments),this.removeDropMarkerDelayed=(0,i.gw)((()=>this.removeDropMarker()),40),this._updateDropMarkerThrottled=(0,m.Z)((e=>this._updateDropMarker(e)),40),this._reconvertMarkerThrottled=(0,m.Z)((()=>{this.editor.model.markers.has("drop-target")&&this.editor.editing.reconvertMarker("drop-target")}),0),this._dropTargetLineView=new g,this._domEmitter=new((0,i.Xu)()),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,o,s,i,r){this.removeDropMarkerDelayed.cancel();const n=_(this.editor,e,t,o,s,i,r);if(n)return r&&r.containsRange(n)?this.removeDropMarker():void this._updateDropMarkerThrottled(n)}getFinalDropRange(e,t,o,s,i,r){const n=_(this.editor,e,t,o,s,i,r);return this.removeDropMarker(),n}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:o})=>{if(e.model.schema.checkChild(t.markerRange.start,"$text"))return this._dropTargetLineView.isVisible=!1,this._createDropTargetPosition(o);t.markerRange.isCollapsed?this._updateDropTargetLine(t.markerRange):this._dropTargetLineView.isVisible=!1}})}_updateDropMarker(e){const t=this.editor,o=t.model.markers;t.model.change((t=>{o.has("drop-target")?o.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,o=e.start.nodeBefore,s=e.start.nodeAfter,r=e.start.parent,n=o?t.mapper.toViewElement(o):null,a=n?t.view.domConverter.mapViewToDom(n):null,c=s?t.mapper.toViewElement(s):null,l=c?t.view.domConverter.mapViewToDom(c):null,d=t.mapper.toViewElement(r),h=t.view.domConverter.mapViewToDom(d),u=this._getScrollableRect(d),{scrollX:p,scrollY:f}=i.global.window,g=a?new i.UL(a):null,m=l?new i.UL(l):null,b=new i.UL(h).excludeScrollbarsAndBorders(),_=g?g.bottom:b.top,k=m?m.top:b.bottom,w=i.global.window.getComputedStyle(h),v=_<=k?(_+k)/2:k;if(u.top<v&&v<u.bottom){const e=b.left+parseFloat(w.paddingLeft),t=b.right-parseFloat(w.paddingRight),o=Math.max(e+p,u.left),s=Math.min(t+p,u.right);this._dropTargetLineView.set({isVisible:!0,left:o,top:v+f,width:s-o})}else this._dropTargetLineView.isVisible=!1}_getScrollableRect(e){const t=e.root.rootName;let o;if(this._scrollables.has(t))o=this._scrollables.get(t).domElement;else{o=function(e){let t=e;do{t=t.parentElement;const e=i.global.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(o,"scroll",this._reconvertMarkerThrottled,{usePassive:!0});const s=new i.do(o,this._reconvertMarkerThrottled);this._scrollables.set(t,{domElement:o,resizeObserver:s})}return new i.UL(o).excludeScrollbarsAndBorders()}}function _(e,t,o,s,i,r,n){const a=e.model,c=e.editing.mapper;let l=y(e,t);for(;l;){if(!r)if(a.schema.checkChild(l,"$text")){if(o){const t=o[0].start,r=c.toModelPosition(t);if(!n||Array.from(n.getItems()).every((e=>a.schema.checkChild(r,e)))){if(a.schema.checkChild(r,"$text"))return a.createRange(r);if(t)return w(e,y(e,t.parent),s,i)}}}else if(a.schema.isInline(l))return w(e,l,s,i);if(a.schema.isBlock(l))return w(e,l,s,i);if(a.schema.checkChild(l,"$block")){const t=Array.from(l.getChildren()).filter((t=>t.is("element")&&!k(e,t)));let o=0,r=t.length;if(0==r)return a.createRange(a.createPositionAt(l,"end"));for(;o<r-1;){const n=Math.floor((o+r)/2);"before"==v(e,t[n],s,i)?r=n:o=n}return w(e,t[o],s,i)}l=l.parent}return null}function k(e,t){const o=e.editing.mapper,s=e.editing.view.domConverter,r=o.toViewElement(t),n=s.mapViewToDom(r);return"none"!=i.global.window.getComputedStyle(n).float}function w(e,t,o,s){const i=e.model;return i.createRange(i.createPositionAt(t,v(e,t,o,s)))}function v(e,t,o,s){const r=e.editing.mapper,n=e.editing.view.domConverter,a=r.toViewElement(t),c=n.mapViewToDom(a),l=new i.UL(c);return e.model.schema.isInline(t)?o<(l.left+l.right)/2?"before":"after":s<(l.top+l.bottom)/2?"before":"after"}function y(e,t){const o=e.editing.mapper,s=e.editing.view,i=o.toModelElement(t);if(i)return i;const r=s.createPositionBefore(t),n=o.findMappedViewAncestor(r);return o.toModelElement(n)}var x=Object.defineProperty,P=Object.defineProperties,C=Object.getOwnPropertyDescriptors,T=Object.getOwnPropertySymbols,E=Object.prototype.hasOwnProperty,A=Object.prototype.propertyIsEnumerable,S=(e,t,o)=>t in e?x(e,t,{enumerable:!0,configurable:!0,writable:!0,value:o}):e[t]=o;class O extends s.Sy{constructor(){super(...arguments),this._isBlockDragging=!1,this._domEmitter=new((0,i.Xu)())}static get pluginName(){return"DragDropBlockToolbar"}init(){const e=this.editor;if(this.listenTo(e,"change:isReadOnly",((e,t,o)=>{o?(this.forceDisabled("readOnlyMode"),this._isBlockDragging=!1):this.clearForceDisabled("readOnlyMode")})),i.OB.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(i.global.document,"dragover",((e,t)=>this._handleBlockDragging(t))),this._domEmitter.listenTo(i.global.document,"drop",((e,t)=>this._handleBlockDragging(t))),this._domEmitter.listenTo(i.global.document,"dragend",(()=>this._handleBlockDragEnd()),{useCapture:!0}),this.isEnabled&&t.setAttribute("draggable","true"),this.on("change:isEnabled",((e,o,s)=>{t.setAttribute("draggable",s?"true":"false")}))}}destroy(){return this._domEmitter.stopListening(),super.destroy()}_handleBlockDragStart(e){if(!this.isEnabled)return;const t=this.editor.model,o=t.document.selection,s=this.editor.editing.view,i=Array.from(o.getSelectedBlocks()),r=t.createRange(t.createPositionBefore(i[0]),t.createPositionAfter(i[i.length-1]));t.change((e=>e.setSelection(r))),this._isBlockDragging=!0,s.focus(),s.getObserver(n).onDomEvent(e)}_handleBlockDragging(e){if(!this.isEnabled||!this._isBlockDragging)return;const t=e.clientX+("ltr"==this.editor.locale.contentLanguageDirection?100:-100),o=e.clientY,s=document.elementFromPoint(t,o),i=this.editor.editing.view;var r,a;s&&s.closest(".ck-editor__editable")&&i.getObserver(n).onDomEvent((r=((e,t)=>{for(var o in t||(t={}))E.call(t,o)&&S(e,o,t[o]);if(T)for(var o of T(t))A.call(t,o)&&S(e,o,t[o]);return e})({},e),a={type:e.type,dataTransfer:e.dataTransfer,target:s,clientX:t,clientY:o,preventDefault:()=>e.preventDefault(),stopPropagation:()=>e.stopPropagation()},P(r,C(a))))}_handleBlockDragEnd(){this._isBlockDragging=!1}}var R=o("./node_modules/style-loader/dist/runtime/injectStylesIntoStyleTag.js"),j=o.n(R),M=o("./node_modules/css-loader/dist/cjs.js!./node_modules/postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./packages/ckeditor5-clipboard/theme/clipboard.css"),V={injectType:"singletonStyleTag",attributes:{"data-cke":!0},insert:"head",singleton:!0};j()(M.Z,V);M.Z.locals;class B extends s.Sy{constructor(){super(...arguments),this._clearDraggableAttributesDelayed=(0,i.gw)((()=>this._clearDraggableAttributes()),40),this._blockMode=!1,this._domEmitter=new((0,i.Xu)())}static get pluginName(){return"DragDrop"}static get requires(){return[h,u.$L,b,O]}init(){const e=this.editor,t=e.editing.view;this._draggedRange=null,this._draggingUid="",this._draggableElement=null,t.addObserver(n),t.addObserver(r.dM),this._setupDragging(),this._setupContentInsertionIntegration(),this._setupClipboardInputIntegration(),this._setupDraggableAttributeHandling(),this.listenTo(e,"change:isReadOnly",((e,t,o)=>{o?this.forceDisabled("readOnlyMode"):this.clearForceDisabled("readOnlyMode")})),this.on("change:isEnabled",((e,t,o)=>{o||this._finalizeDragging(!1)})),i.OB.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,o=e.editing.view,s=o.document,r=e.plugins.get(b);this.listenTo(s,"dragstart",((e,o)=>{if(o.target&&o.target.is("editableElement"))return void o.preventDefault();if(this._prepareDraggedRange(o.target),!this._draggedRange)return void o.preventDefault();this._draggingUid=(0,i.hQ)(),o.dataTransfer.effectAllowed=this.isEnabled?"copyMove":"copy",o.dataTransfer.setData("application/ckeditor5-dragging-uid",this._draggingUid);const s=t.createSelection(this._draggedRange.toRange());this.editor.plugins.get("ClipboardPipeline")._fireOutputTransformationEvent(o.dataTransfer,s,"dragstart");const{dataTransfer:r,domTarget:n,domEvent:a}=o,{clientX:c}=a;this._updatePreview({dataTransfer:r,domTarget:n,clientX:c}),o.stopPropagation(),this.isEnabled||(this._draggedRange.detach(),this._draggedRange=null,this._draggingUid="")}),{priority:"low"}),this.listenTo(s,"dragend",((e,t)=>{this._finalizeDragging(!t.dataTransfer.isCanceled&&"move"==t.dataTransfer.dropEffect)}),{priority:"low"}),this._domEmitter.listenTo(i.global.document,"dragend",(()=>{this._blockMode=!1}),{useCapture:!0}),this.listenTo(s,"dragenter",(()=>{this.isEnabled&&o.focus()})),this.listenTo(s,"dragleave",(()=>{r.removeDropMarkerDelayed()})),this.listenTo(s,"dragging",((e,t)=>{if(!this.isEnabled)return void(t.dataTransfer.dropEffect="none");const{clientX:o,clientY:s}=t.domEvent;r.updateDropMarker(t.target,t.targetRanges,o,s,this._blockMode,this._draggedRange),this._draggedRange||(t.dataTransfer.dropEffect="copy"),i.OB.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,o=e.plugins.get(b);this.listenTo(t,"clipboardInput",((t,s)=>{if("drop"!=s.method)return;const{clientX:i,clientY:r}=s.domEvent,n=o.getFinalDropRange(s.target,s.targetRanges,i,r,this._blockMode,this._draggedRange);if(!n)return this._finalizeDragging(!1),void t.stop();this._draggedRange&&this._draggingUid!=s.dataTransfer.getData("application/ckeditor5-dragging-uid")&&(this._draggedRange.detach(),this._draggedRange=null,this._draggingUid="");if("move"==I(s.dataTransfer)&&this._draggedRange&&this._draggedRange.containsRange(n,!0))return this._finalizeDragging(!1),void t.stop();s.targetRanges=[e.editing.mapper.toViewRange(n)]}),{priority:"high"})}_setupContentInsertionIntegration(){const e=this.editor.plugins.get(h);e.on("contentInsertion",((e,t)=>{if(!this.isEnabled||"drop"!==t.method)return;const o=t.targetRanges.map((e=>this.editor.editing.mapper.toModelRange(e)));this.editor.model.change((e=>e.setSelection(o)))}),{priority:"high"}),e.on("contentInsertion",((e,t)=>{if(!this.isEnabled||"drop"!==t.method)return;const o="move"==I(t.dataTransfer),s=!t.resultRange||!t.resultRange.isCollapsed;this._finalizeDragging(s&&o)}),{priority:"lowest"})}_setupDraggableAttributeHandling(){const 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t=this.editor,o=t.model;if(t.plugins.get(b).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&&o.change((e=>{const t=o.createSelection(this._draggedRange);o.deleteContent(t,{doNotAutoparagraph:!0});const s=t.getFirstPosition().parent;s.isEmpty&&!o.schema.checkChild(s,"$text")&&o.schema.checkChild(s,"paragraph")&&e.insertElement("paragraph",s,0)})),this._draggedRange.detach(),this._draggedRange=null)}_prepareDraggedRange(e){const t=this.editor,o=t.model,s=o.document.selection,i=e?D(e):null;if(i){const 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s=o("./packages/ckeditor5-ui/src/index.ts")},"./src/undo.js":(e,t,o)=>{"use strict";o.r(t),o.d(t,{Undo:()=>w,UndoEditing:()=>g,UndoUI:()=>k});var s=o("./packages/ckeditor5-core/src/index.ts"),i=o("./packages/ckeditor5-engine/src/index.ts"),r=Object.defineProperty,n=Object.getOwnPropertySymbols,a=Object.prototype.hasOwnProperty,c=Object.prototype.propertyIsEnumerable,l=(e,t,o)=>t in e?r(e,t,{enumerable:!0,configurable:!0,writable:!0,value:o}):e[t]=o;class d extends s.mY{constructor(e){super(e),this._stack=[],this._createdBatches=new WeakSet,this.refresh(),this._isEnabledBasedOnSelection=!1,this.listenTo(e.data,"set",((e,t)=>{t[1]=((e,t)=>{for(var o in t||(t={}))a.call(t,o)&&l(e,o,t[o]);if(n)for(var o of n(t))c.call(t,o)&&l(e,o,t[o]);return e})({},t[1]);const o=t[1];o.batchType||(o.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,o={ranges:t.hasOwnRange?Array.from(t.getRanges()):[],isBackward:t.isBackward};this._stack.push({batch:e,selection:o}),this.refresh()}clearStack(){this._stack=[],this.refresh()}_restoreSelection(e,t,o){const s=this.editor.model,i=s.document,r=[],n=e.map((e=>e.getTransformedByOperations(o))),a=n.flat();for(const e of n){const t=e.filter((e=>e.root!=i.graveyard)).filter((e=>!u(e,a)));t.length&&(h(t),r.push(t[0]))}r.length&&s.change((e=>{e.setSelection(r,{backward:t})}))}_undo(e,t){const o=this.editor.model,s=o.document;this._createdBatches.add(t);const r=e.operations.slice().filter((e=>e.isDocumentOperation));r.reverse();for(const e of r){const r=e.baseVersion+1,n=Array.from(s.history.getOperations(r)),a=(0,i.Rf)([e.getReversed()],n,{useRelations:!0,document:this.editor.model.document,padWithNoOps:!1,forceWeakRemove:!0}).operationsA;for(let r of a){const n=r.affectedSelectable;n&&!o.canEditAt(n)&&(r=new i.Pk(r.baseVersion)),t.addOperation(r),o.applyOperation(r),s.history.setOperationAsUndone(e,r)}}}}function h(e){e.sort(((e,t)=>e.start.isBefore(t.start)?-1:1));for(let t=1;t<e.length;t++){const o=e[t-1].getJoined(e[t],!0);o&&(t--,e.splice(t,2,o))}}function u(e,t){return t.some((t=>t!==e&&t.containsRange(e,!0)))}class p extends d{execute(e=null){const t=e?this._stack.findIndex((t=>t.batch==e)):this._stack.length-1,o=this._stack.splice(t,1)[0],s=this.editor.model.createBatch({isUndo:!0});this.editor.model.enqueueChange(s,(()=>{this._undo(o.batch,s);const e=this.editor.model.document.history.getOperations(o.batch.baseVersion);this._restoreSelection(o.selection.ranges,o.selection.isBackward,e)})),this.fire("revert",o.batch,s),this.refresh()}}class f extends d{execute(){const e=this._stack.pop(),t=this.editor.model.createBatch({isUndo:!0});this.editor.model.enqueueChange(t,(()=>{const o=e.batch.operations[e.batch.operations.length-1].baseVersion+1,s=this.editor.model.document.history.getOperations(o);this._restoreSelection(e.selection.ranges,e.selection.isBackward,s),this._undo(e.batch,t)})),this.refresh()}}class g extends s.Sy{constructor(){super(...arguments),this._batchRegistry=new WeakSet}static get pluginName(){return"UndoEditing"}init(){const e=this.editor;this._undoCommand=new p(e),this._redoCommand=new f(e),e.commands.add("undo",this._undoCommand),e.commands.add("redo",this._redoCommand),this.listenTo(e.model,"applyOperation",((e,t)=>{const o=t[0];if(!o.isDocumentOperation)return;const s=o.batch,i=this._redoCommand.createdBatches.has(s),r=this._undoCommand.createdBatches.has(s);this._batchRegistry.has(s)||(this._batchRegistry.add(s),s.isUndoable&&(i?this._undoCommand.addBatch(s):r||(this._undoCommand.addBatch(s),this._redoCommand.clearStack())))}),{priority:"highest"}),this.listenTo(this._undoCommand,"revert",((e,t,o)=>{this._redoCommand.addBatch(o)})),e.keystrokes.set("CTRL+Z","undo"),e.keystrokes.set("CTRL+Y","redo"),e.keystrokes.set("CTRL+SHIFT+Z","redo")}}var m=o("./packages/ckeditor5-ui/src/index.ts");const b='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="m5.042 9.367 2.189 1.837a.75.75 0 0 1-.965 1.149l-3.788-3.18a.747.747 0 0 1-.21-.284.75.75 0 0 1 .17-.945L6.23 4.762a.75.75 0 1 1 .964 1.15L4.863 7.866h8.917A.75.75 0 0 1 14 7.9a4 4 0 1 1-1.477 7.718l.344-1.489a2.5 2.5 0 1 0 1.094-4.73l.008-.032H5.042z"/></svg>',_='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="m14.958 9.367-2.189 1.837a.75.75 0 0 0 .965 1.149l3.788-3.18a.747.747 0 0 0 .21-.284.75.75 0 0 0-.17-.945L13.77 4.762a.75.75 0 1 0-.964 1.15l2.331 1.955H6.22A.75.75 0 0 0 6 7.9a4 4 0 1 0 1.477 7.718l-.344-1.489A2.5 2.5 0 1 1 6.039 9.4l-.008-.032h8.927z"/></svg>';class k extends s.Sy{static get pluginName(){return"UndoUI"}init(){const e=this.editor,t=e.locale,o=e.t,s="ltr"==t.uiLanguageDirection?b:_,i="ltr"==t.uiLanguageDirection?_:b;this._addButton("undo",o("Undo"),"CTRL+Z",s),this._addButton("redo",o("Redo"),"CTRL+Y",i)}_addButton(e,t,o,s){const i=this.editor;i.ui.componentFactory.add(e,(r=>{const n=i.commands.get(e),a=new m.r5(r);return a.set({label:t,icon:s,keystroke:o,tooltip:!0}),a.bind("isEnabled").to(n,"isEnabled"),this.listenTo(a,"execute",(()=>{i.execute(e),i.editing.view.focus()})),a}))}}class w extends s.Sy{static get requires(){return[g,k]}static get pluginName(){return"Undo"}}},"./src/upload.js":(e,t,o)=>{"use strict";o.r(t),o.d(t,{Base64UploadAdapter:()=>h,FileDialogButtonView:()=>l,FileRepository:()=>n,SimpleUploadAdapter:()=>w});var s=o("./packages/ckeditor5-core/src/index.ts"),i=o("./packages/ckeditor5-utils/src/index.ts");class r extends((0,i.Re)()){constructor(){super();const e=new window.FileReader;this._reader=e,this._data=void 0,this.set("loaded",0),e.onprogress=e=>{this.loaded=e.loaded}}get error(){return this._reader.error}get data(){return this._data}read(e){const t=this._reader;return this.total=e.size,new Promise(((o,s)=>{t.onload=()=>{const e=t.result;this._data=e,o(e)},t.onerror=()=>{s("error")},t.onabort=()=>{s("aborted")},this._reader.readAsDataURL(e)}))}abort(){this._reader.abort()}}class n extends s.Sy{constructor(){super(...arguments),this.loaders=new i.FE,this._loadersMap=new Map,this._pendingAction=null}static get pluginName(){return"FileRepository"}static get requires(){return[s.lR]}init(){this.loaders.on("change",(()=>this._updatePendingAction())),this.set("uploaded",0),this.set("uploadTotal",null),this.bind("uploadedPercent").to(this,"uploaded",this,"uploadTotal",((e,t)=>t?e/t*100:0))}getLoader(e){return this._loadersMap.get(e)||null}createLoader(e){if(!this.createUploadAdapter)return(0,i.KE)("filerepository-no-upload-adapter"),null;const t=new a(Promise.resolve(e),this.createUploadAdapter);return this.loaders.add(t),this._loadersMap.set(e,t),e instanceof Promise&&t.file.then((e=>{this._loadersMap.set(e,t)})).catch((()=>{})),t.on("change:uploaded",(()=>{let e=0;for(const t of this.loaders)e+=t.uploaded;this.uploaded=e})),t.on("change:uploadTotal",(()=>{let e=0;for(const t of this.loaders)t.uploadTotal&&(e+=t.uploadTotal);this.uploadTotal=e})),t}destroyLoader(e){const t=e instanceof a?e:this.getLoader(e);t._destroy(),this.loaders.remove(t),this._loadersMap.forEach(((e,o)=>{e===t&&this._loadersMap.delete(o)}))}_updatePendingAction(){const e=this.editor.plugins.get(s.lR);if(this.loaders.length){if(!this._pendingAction){const t=this.editor.t,o=e=>`${t("Upload in progress")} ${parseInt(e)}%.`;this._pendingAction=e.add(o(this.uploadedPercent)),this._pendingAction.bind("message").to(this,"uploadedPercent",o)}}else e.remove(this._pendingAction),this._pendingAction=null}}class a extends((0,i.Re)()){constructor(e,t){super(),this.id=(0,i.hQ)(),this._filePromiseWrapper=this._createFilePromiseWrapper(e),this._adapter=t(this),this._reader=new r,this.set("status","idle"),this.set("uploaded",0),this.set("uploadTotal",null),this.bind("uploadedPercent").to(this,"uploaded",this,"uploadTotal",((e,t)=>t?e/t*100:0)),this.set("uploadResponse",null)}get file(){return this._filePromiseWrapper?this._filePromiseWrapper.promise.then((e=>this._filePromiseWrapper?e:null)):Promise.resolve(null)}get data(){return this._reader.data}read(){if("idle"!=this.status)throw new i.Bb("filerepository-read-wrong-status",this);return this.status="reading",this.file.then((e=>this._reader.read(e))).then((e=>{if("reading"!==this.status)throw this.status;return this.status="idle",e})).catch((e=>{if("aborted"===e)throw this.status="aborted","aborted";throw this.status="error",this._reader.error?this._reader.error:e}))}upload(){if("idle"!=this.status)throw new i.Bb("filerepository-upload-wrong-status",this);return this.status="uploading",this.file.then((()=>this._adapter.upload())).then((e=>(this.uploadResponse=e,this.status="idle",e))).catch((e=>{if("aborted"===this.status)throw"aborted";throw this.status="error",e}))}abort(){const e=this.status;this.status="aborted",this._filePromiseWrapper.isFulfilled?"reading"==e?this._reader.abort():"uploading"==e&&this._adapter.abort&&this._adapter.abort():(this._filePromiseWrapper.promise.catch((()=>{})),this._filePromiseWrapper.rejecter("aborted")),this._destroy()}_destroy(){this._filePromiseWrapper=void 0,this._reader=void 0,this._adapter=void 0,this.uploadResponse=void 0}_createFilePromiseWrapper(e){const t={};return t.promise=new Promise(((o,s)=>{t.rejecter=s,t.isFulfilled=!1,e.then((e=>{t.isFulfilled=!0,o(e)})).catch((e=>{t.isFulfilled=!0,s(e)}))})),t}}var c=o("./packages/ckeditor5-ui/src/index.ts");class l extends c.r5{constructor(e){super(e),this.buttonView=this,this._fileInputView=new d(e),this._fileInputView.bind("acceptedType").to(this),this._fileInputView.bind("allowMultipleFiles").to(this),this._fileInputView.delegate("done").to(this),this.on("execute",(()=>{this._fileInputView.open()})),this.extendTemplate({attributes:{class:"ck-file-dialog-button"}})}render(){super.render(),this.children.add(this._fileInputView)}}class d extends c.G7{constructor(e){super(e),this.set("acceptedType",void 0),this.set("allowMultipleFiles",!1);const t=this.bindTemplate;this.setTemplate({tag:"input",attributes:{class:["ck-hidden"],type:"file",tabindex:"-1",accept:t.to("acceptedType"),multiple:t.to("allowMultipleFiles")},on:{change:t.to((()=>{this.element&&this.element.files&&this.element.files.length&&this.fire("done",this.element.files),this.element.value=""}))}})}open(){this.element.click()}}class h extends s.Sy{static get requires(){return[n]}static get pluginName(){return"Base64UploadAdapter"}init(){this.editor.plugins.get(n).createUploadAdapter=e=>new u(e)}}class u{constructor(e){this.loader=e}upload(){return new Promise(((e,t)=>{const o=this.reader=new window.FileReader;o.addEventListener("load",(()=>{e({default:o.result})})),o.addEventListener("error",(e=>{t(e)})),o.addEventListener("abort",(()=>{t()})),this.loader.file.then((e=>{o.readAsDataURL(e)}))}))}abort(){this.reader.abort()}}var p=Object.defineProperty,f=Object.defineProperties,g=Object.getOwnPropertyDescriptors,m=Object.getOwnPropertySymbols,b=Object.prototype.hasOwnProperty,_=Object.prototype.propertyIsEnumerable,k=(e,t,o)=>t in e?p(e,t,{enumerable:!0,configurable:!0,writable:!0,value:o}):e[t]=o;class w extends s.Sy{static get requires(){return[n]}static get pluginName(){return"SimpleUploadAdapter"}init(){const e=this.editor.config.get("simpleUpload");e&&(e.uploadUrl?this.editor.plugins.get(n).createUploadAdapter=t=>new v(t,e):(0,i.KE)("simple-upload-adapter-missing-uploadurl"))}}class v{constructor(e,t){this.loader=e,this.options=t}upload(){return this.loader.file.then((e=>new Promise(((t,o)=>{this._initRequest(),this._initListeners(t,o,e),this._sendRequest(e)}))))}abort(){this.xhr&&this.xhr.abort()}_initRequest(){const e=this.xhr=new XMLHttpRequest;e.open("POST",this.options.uploadUrl,!0),e.responseType="json"}_initListeners(e,t,o){const s=this.xhr,i=this.loader,r=`Couldn't upload file: 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s=o("./packages/ckeditor5-utils/src/index.ts")},"./src/watchdog.js":(e,t,o)=>{"use strict";o.r(t),o.d(t,{ContextWatchdog:()=>v,EditorWatchdog:()=>_,Watchdog:()=>s});class s{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 o=this._listeners[e]||[];for(const e of o)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 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s{constructor(e,t={}){super(t),this._editor=null,this._initUsingData=!0,this._editables={},this._throttledSave=(0,a.Z)(this._save.bind(this),"number"==typeof t.saveInterval?t.saveInterval:5e3),e&&(this._creator=(t,o)=>e.create(t,o)),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=[],o=this._config.rootsAttributes||{},s={};for(const[i,r]of Object.entries(this._data.roots))r.isLoaded?(e[i]="",s[i]=o[i]||{}):t.push(i);const i=(r=b({},this._config),n={extraPlugins:this._config.extraPlugins||[],lazyRoots:t,rootsAttributes:s,_watchdogInitialData:this._data},h(r,u(n)));var r,n;return delete 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